CN209735305U - Ozone and flue gas homogenizing reactor - Google Patents
Ozone and flue gas homogenizing reactor Download PDFInfo
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- CN209735305U CN209735305U CN201920430156.1U CN201920430156U CN209735305U CN 209735305 U CN209735305 U CN 209735305U CN 201920430156 U CN201920430156 U CN 201920430156U CN 209735305 U CN209735305 U CN 209735305U
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Abstract
An ozone and flue gas homogenizing reactor comprises a mixing chamber (1) and a reaction chamber (11), wherein an incompletely-closed intermediate partition plate (10) is arranged between the mixing chamber (1) and the reaction chamber (11); a flue gas inlet (2) is arranged on an outer side plate of the mixing chamber (1), and a mixed gas outlet (13) is arranged on an outer side plate of the reaction chamber (11); a lower spoiler and an upper spoiler (9) are respectively arranged in the mixing chamber (1) and the reaction chamber (11); still include baffling grid (8), ozone pipeline (6), ozone distributor (4) and a plurality of ozone shower nozzle (5) in mixing chamber (1), ozone pipeline (6) are connected with ozone distributor (4), and ozone shower nozzle (5) dispersion is installed on the distribution branch road of ozone distributor (4), and baffling grid (8) are certain angle range with the mist air current direction. The utility model discloses ozone and flue gas homogenization reactor need not reform transform original boiler, save time and space, simple structure moreover, and the transformation cost is lower.
Description
Technical Field
The utility model relates to a flue gas treatment field specifically is an ozone and flue gas homogenization reactor.
Background
the main pollutant discharge requirements proposed by the outline of the 'thirteen-five' ecological environment protection planning in China are that the cumulative ammonia nitrogen is reduced by 10%, the cumulative sulfur dioxide discharge is reduced by 15%, and the cumulative nitrogen oxide discharge is reduced by 15%. The flue gas treatment equipment effectively treats toxic and harmful substances contained in flue gas to below a specified concentration so as to reduce the pollution to the environment as much as possible. The flue gas treatment equipment is mainly applied to the power industry, the chemical industry, the coking industry, the metallurgical industry, the manufacturing industry with self-contained boilers and the like.
Most of the existing coal-fired boiler desulfurization devices all over the country are wet desulfurization devices, with the continuous improvement of the sulfur dioxide emission standard of the thermal power plant in China, the sulfur content of the fire coal is also increased to a certain extent, and the existing wet desulfurization units can not meet the relevant requirements. Under the environmental protection policy that the boiler flue gas needs to be desulfurized and denitrated at present and is becoming stricter, in order to further improve the desulfurization efficiency, new materials need to be added, new processes are used, and old equipment is modified to meet the requirements of national standards.
original ozone application field is mainly in the aspect of disinfection, sewage treatment for the blender simple structure in the aspect of flue gas denitration, and flue gas and ozone can not intensive mixing, homogenization to cause partial ozone waste to fall, the cost-push, and the denitration effect can only reach 70% -80%.
For some flue gas and ozone mixers with simple structures, in the operation process of a boiler, mechanical vibration, airflow resonance and the like can be caused by vibration induced by Karman vortex excitation, so that the noise is high, noise pollution is generated, equipment is damaged, and the maintenance cost is increased.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides an ozone and flue gas homogenization reactor need not reform transform original boiler, saves time and space, installs this equipment process and does not need long-time blowing out, simple structure moreover, and the transformation cost is lower, and market prospect is wide.
The purpose of the utility model is realized through the following technical scheme.
An ozone and flue gas homogenizing reactor comprises a mixing chamber and a reaction chamber, wherein an incompletely-closed intermediate partition plate is arranged between the mixing chamber and the reaction chamber; the outer side plate of the mixing chamber is provided with a flue gas inlet, and the outer side plate of the reaction chamber is provided with a mixed gas outlet; a lower spoiler and/or an upper spoiler are/is arranged in the mixing chamber and the reaction chamber respectively; the mixing chamber is internally provided with an ozone pipeline, an ozone distributor and a plurality of ozone nozzles, the ozone pipeline is connected with the ozone distributor, and the ozone nozzles are dispersedly installed on a distribution branch of the ozone distributor.
The ozone and flue gas homogenizing reactor is characterized in that a mixing chamber lower spoiler is arranged in the mixing chamber, a reaction chamber lower spoiler is arranged in the reaction chamber, and an upper spoiler is arranged in the mixing chamber and the reaction chamber respectively.
The ozone and flue gas homogenizing reactor further comprises a baffling grating in the mixing chamber, and the baffling grating and the mixed gas flow direction are arranged at a certain angle.
In the ozone and flue gas homogenizing reactor, the upper end of the intermediate partition plate is open, and the lower end of the intermediate partition plate is closed.
In the ozone and flue gas homogenizing reactor, the flue gas inlet and the mixed gas outlet are respectively arranged at the lower ends of the mixing chamber and the reaction chamber.
Preferably, the flue gas inlet and the mixed gas outlet are arranged on two side walls connected with the middle partition plate.
In the ozone and flue gas homogenizing reactor, the outer parts of the flue gas inlet and the mixed gas outlet are provided with soft connecting sleeves; and a flowmeter and an adjusting valve group are arranged on an ozone pipeline outside the mixing chamber.
In the ozone and flue gas homogenizing reactor, the baffling grating is positioned in the middle part in the mixing chamber, and has an included angle of 30-60 degrees with the mixed gas flow.
preferably, the deflection grating is arranged to form an angle of 45 degrees with the mixed gas flow.
The ozone and flue gas homogenizing reactor is characterized in that the lower spoiler of the mixing chamber is arranged at the lower end corner of the mixing chamber, the lower spoiler of the reaction chamber is arranged at the lower end corner of the reaction chamber, and the upper spoiler is positioned at the top corners of the mixing chamber and the reaction chamber.
The ozone and flue gas homogenizing reactor is characterized in that the lower spoiler of the mixing chamber is positioned at the lower end of the flue gas inlet opposite side, and the lower spoiler of the reaction chamber is positioned at the lower end of the mixed gas outlet opposite side.
In the ozone and flue gas homogenizing reactor, the ozone spray heads are distributed in a crossed manner, and the included angle between the ozone spray heads and the flue gas direction is 30-60 degrees.
Preferably, the ozone spray head and the smoke direction form an included angle of 45 degrees.
In the ozone and flue gas homogenizing reactor, all pipelines and parts of the device are made of 316L stainless steel.
To sum up, the beneficial effects of the utility model are that:
1. Through this ozone and flue gas homogenization reactor, collect injection, mix, homogenization in an organic whole, can design the flow cross section according to flue gas velocity of flow, high-efficient omnidirectional covers the shower nozzle, makes ozone and flue gas fully react in the homogenizer, can practice thrift ozone 10% -20% to denitration efficiency can reach 95% even 100%.
2. The baffling grating and the spoiler are additionally arranged in the ozone and flue gas homogenizing reactor, so that the flue gas and the ozone are fully reacted, and the phenomena of gate vortex and fan surge in the running process of the boiler are effectively eliminated, thereby eliminating mechanical vibration and airflow resonance.
Drawings
The aspects and advantages of the present application will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. In the drawings:
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
FIG. 2 is a distribution diagram of an ozone showerhead.
fig. 3 is a spatial shape diagram of the spoiler.
Fig. 4 is a space shape diagram of the baffling barrier.
The components represented by the reference numerals in the figures are:
1. Mixing chamber, 2, flue gas inlet, 3, mixing chamber lower spoiler, 4, ozone distributor, 5, ozone nozzle, 6, ozone pipeline, 7, regulating valve, 8, baffling grid, 9, upper spoiler, 10, middle partition board, 11, reaction chamber, 12, reaction chamber lower spoiler, 13 and mixed gas outlet.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. It should be noted that these embodiments are provided so that this disclosure can be more completely understood and fully conveyed to those skilled in the art, and the present disclosure may be implemented in various forms without being limited to the embodiments set forth herein.
It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may be present. Other terms used to describe the relationship between elements should be interpreted in a similar manner (e.g., "between," "adjacent," etc.).
Example 1
Referring to fig. 1, fig. 1 is a homogenizing reactor for ozone and flue gas of the present embodiment, which includes a mixing chamber 1 and a reaction chamber 11, wherein an incompletely closed intermediate partition 10 is disposed between the mixing chamber 1 and the reaction chamber 11; the outer side plate of the mixing chamber 1 is provided with a flue gas inlet 2, and the outer side plate of the reaction chamber is provided with a mixed gas outlet 13.
Furthermore, the upper end of the middle partition plate 10 is open, the lower end of the middle partition plate is closed, so that ozone and flue gas can conveniently flow into the reaction chamber 11 from the mixing chamber 1 after being mixed, and the whole device is divided into the mixing chamber 1 and the reaction chamber 11 by the arrangement of the middle partition plate 10, so that sufficient reaction time of the flue gas and the ozone is ensured, the strength of the device is increased, and 15% of materials can be saved.
Furthermore, the flue gas inlet 2 and the mixed gas outlet 13 are respectively arranged at the lower ends of the mixing chamber 1 and the reaction chamber 11, so that the mixing time of ozone and flue gas can be prolonged, and uniform mixing is facilitated.
In this embodiment, the mixing chamber 1 and the reaction chamber 11 are respectively provided with a lower spoiler and an upper spoiler 9, wherein the upper spoiler 9 is located at a top corner of the ozone and flue gas homogenizing reactor, the mixing chamber lower spoiler 3 is disposed at a lower end corner of the mixing chamber 1, and the reaction chamber lower spoiler 12 is disposed at a lower end corner of the reaction chamber 11, so that the karman vortex and the vibration induced by vortex excitation can be effectively reduced by the spoilers.
Preferably, the flue gas inlet 2 and the mixed gas outlet 13 are arranged on two side walls connected with the middle partition plate 10, the mixing chamber lower spoiler 3 is positioned at the lower end of the opposite side of the flue gas inlet 2, and the reaction chamber lower spoiler 12 is positioned at the lower end of the opposite side of the mixed gas outlet 13, so that the flue gas can directly act on the spoiler after entering the flue gas inlet 2 and before the mixed gas flows out of the mixed gas outlet 13, vortex can be eliminated, and the gas flow vibration can be reduced.
Further, the mixing chamber lower spoiler 3, the reaction chamber lower spoiler 12 and the upper spoiler 9 are all in a circular arc structure and are arranged between two side surfaces of a corner, as shown in fig. 3.
Preferably, the outer parts of the flue gas inlet 2 and the mixed gas outlet 13 are provided with soft connecting sleeves, so that the vibration of an external connecting piece and the mechanical resonance generated by the reactor can be effectively prevented.
In this embodiment, a baffling grid 8 (the shape can be as shown in fig. 4) is disposed in the middle of the mixing chamber 1, and an included angle β between the baffling grid and the mixed gas flow is 30 ° to 60 °, so that internal reinforcement can be performed, vibration of the side plates is reduced, flue gas and ozone can be sufficiently mixed, and reaction efficiency is increased.
Preferably, the baffle grid 8 is arranged at an angle α of 45 ° to the gas mixture flow in this embodiment, in order to achieve the best reaction effect.
Below combine fig. 2, in this embodiment, ozone injection apparatus includes ozone pipeline 6, governing valve 7, ozone distributor 4 and a plurality of ozone shower nozzle 5, and wherein, ozone distributor 4 inserts the casing from one side in, then divide into four spinal branch pipes, and cross distribution has a plurality of ozone shower nozzle 5 on every spinal branch pipe, ozone shower nozzle 5 is 45 contained angles with the flue gas direction, and the ozone that ozone shower nozzle 5 jetted can carry out the full coverage to the flue gas in spout 150mm department, guarantees that the degree of mixing of ozone and flue gas is greater than more than 90%, and the flue gas can form multi-direction (> 150 °) flow through ozone shower nozzle 5's horn mouth in addition, effectively reduces the air current and strikes, thereby reduces the vibration.
Furthermore, an adjusting valve 7 and a flowmeter are installed on an ozone pipeline 6 outside the ozone distributor 4, so that output flow and pressure of each ozone distributing pipe are balanced, and the ozone output quantity of each ozone distributing pipe is kept consistent.
Preferably, the ozone nozzle 5 is arranged at the middle position of the mixing chamber 1, and the height is lower than the height of the middle partition plate 10, so that the ozone and the flue gas can start to react early.
In this embodiment, the fossil fragments are strengthened in mixing chamber 1 and 11 curb plates of reacting chamber adoption mechanical punching press, can effectively increase structural strength, prevent that the air current from assaulting the vibration, and all pipelines and spare parts that use in the device adopt 316L stainless steel, can prevent the strong oxidation of ozone.
The working principle of the ozone and flue gas homogenizing reactor is as follows:
The flue gas discharged by the draught fan enters the mixing chamber 1 through the soft connecting sleeve at the outer side of the flue gas inlet 2, partial vortex is eliminated after the flue gas flows through the lower spoiler 3 of the mixing chamber, the air flow vibration is reduced, then the ozone gas flows from bottom to top, at the moment, the ozone gas delivered by the upper ozone generator enters the ozone distributor 4 through the ozone pipeline 6 and the regulating valve 7, the ozone nozzle 5 uniformly and slowly mixes the ozone gas with the flue gas, the mixed gas rises to the baffling grid 8 for secondary mixing and shunting, then passes through the middle partition plate 10 and the spoiler 9 to enter the reaction chamber 11 for full reaction again, in the process, the ozone continuously and forcibly oxidizes NO in the flue gas into NO2, the fully reacted mixed gas finally passes through the lower spoiler 12 of the reaction chamber downwards under the action of pressure to be subjected to vibration elimination again, and then enters the desulfurizing tower from the mixed gas outlet 13 to be absorbed.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. An ozone and flue gas homogenizing reactor is characterized in that: the device comprises a mixing chamber (1) and a reaction chamber (11), wherein an incompletely-closed intermediate partition plate (10) is arranged between the mixing chamber (1) and the reaction chamber (11); a flue gas inlet (2) is formed in an outer side plate of the mixing chamber (1), and a mixed gas outlet (13) is formed in an outer side plate of the reaction chamber (11); a lower spoiler and/or an upper spoiler (9) are/is respectively arranged in the mixing chamber (1) and the reaction chamber (11); the ozone mixing device is characterized in that an ozone pipeline (6), an ozone distributor (4) and a plurality of ozone spray heads (5) are arranged in the mixing chamber (1), the ozone pipeline (6) is connected with the ozone distributor (4), and the ozone spray heads (5) are dispersedly installed on a distribution branch path of the ozone distributor (4).
2. The ozone and flue gas homogenizing reactor according to claim 1, characterized in that: a mixing chamber lower spoiler (3) is arranged in the mixing chamber (1), a reaction chamber lower spoiler (12) is arranged in the reaction chamber (11), and upper spoilers (9) are respectively arranged in the mixing chamber (1) and the reaction chamber (11).
3. An ozone and flue gas homogenizing reactor according to claim 1 or 2, characterized in that: the mixing chamber (1) also comprises a baffling grating (8), and the baffling grating (8) is arranged at a certain angle with the airflow direction of the mixed gas.
4. An ozone and flue gas homogenizing reactor according to claim 1 or 2, characterized in that: the upper end of the middle partition plate (10) is open, and the lower end is closed.
5. An ozone and flue gas homogenizing reactor according to claim 1 or 2, characterized in that: the flue gas inlet (2) and the mixed gas outlet (13) are respectively arranged at the lower ends of the mixing chamber (1) and the reaction chamber (11).
6. The ozone and flue gas homogenizing reactor according to claim 5, characterized in that: soft connecting sleeves are arranged outside the flue gas inlet (2) and the mixed gas outlet (13); and a flowmeter and an adjusting valve group are arranged on an ozone pipeline (6) on the outer side of the mixing chamber (1).
7. The ozone and flue gas homogenizing reactor according to claim 3, characterized in that: the baffling grating (8) is positioned in the middle part of the interior of the mixing chamber (1) and forms an included angle of 30-60 degrees with the mixed gas flow.
8. The ozone and flue gas homogenizing reactor according to claim 2, characterized in that: the mixing chamber lower spoiler (3) is arranged at the lower end corner of the mixing chamber (1), the reaction chamber lower spoiler (12) is arranged at the lower end corner of the reaction chamber (11), and the upper spoiler (9) is positioned at the top corners of the mixing chamber (1) and the reaction chamber (11).
9. The ozone and flue gas homogenizing reactor according to claim 8, characterized in that: the mixing chamber lower spoiler (3) is positioned at the lower end of the opposite side of the flue gas inlet (2), and the reaction chamber lower spoiler (12) is positioned at the lower end of the opposite side of the mixed gas outlet.
10. The ozone and flue gas homogenizing reactor according to claim 1, characterized in that: the ozone nozzles (5) are distributed in a crossed manner, and the included angle between the ozone nozzles and the smoke direction is 30-60 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920430156.1U CN209735305U (en) | 2019-04-01 | 2019-04-01 | Ozone and flue gas homogenizing reactor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920430156.1U CN209735305U (en) | 2019-04-01 | 2019-04-01 | Ozone and flue gas homogenizing reactor |
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| CN209735305U true CN209735305U (en) | 2019-12-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111036053A (en) * | 2019-12-31 | 2020-04-21 | 安徽微宇仪器科技有限公司 | High-temperature flue gas treatment device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111036053A (en) * | 2019-12-31 | 2020-04-21 | 安徽微宇仪器科技有限公司 | High-temperature flue gas treatment device |
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