CN212594902U - High-efficient ozone denitrification facility of industrial flue gas - Google Patents
High-efficient ozone denitrification facility of industrial flue gas Download PDFInfo
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- CN212594902U CN212594902U CN202020854243.2U CN202020854243U CN212594902U CN 212594902 U CN212594902 U CN 212594902U CN 202020854243 U CN202020854243 U CN 202020854243U CN 212594902 U CN212594902 U CN 212594902U
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Abstract
The utility model discloses an industrial flue gas high-efficiency ozone denitration device, which comprises a reaction channel, wherein an ozone adding device is arranged in the reaction channel, and an alkali liquor spraying device is arranged in an absorption tower; the air supply pipe runs through reaction channel's lateral wall and supplies ozone in to reaction channel, and alkali lye spray set includes feed pipe and shower, and the feed pipe runs through the lateral wall of absorption tower and supplies liquid to the inside of absorption tower, and the shower is even arranges around the bottom of connecting pipe, has laid the atomising head on the pipe wall of shower, and the atomising head sets up with the shower slope, and the atomising head sprays alkali lye to the oblique below of shower. The utility model discloses communicating pipe on two adjacent gas distribution pipes along the flow direction staggered arrangement of flue gas in reaction channel, can be so that the reaction of ozone and flue gas is more abundant. Ozone is supplied into the reaction channel through the ozone adding device, and is uniformly distributed into the reaction channel through the ozone adding device, so that the ozone and the flue gas are fully mixed.
Description
Technical Field
The utility model relates to a flue gas denitration technical field, in particular to high-efficient ozone denitrification facility of industry flue gas.
Background
The flue gas discharged from the industrial boiler contains a large amount of nitrogen oxides, and the nitrogen oxides are main pollution sources in the atmosphere, so the flue gas discharged from the industrial boiler generally needs to be subjected to denitration treatment, the nitrogen oxides in the flue gas are removed and converted into pollution-free high-price nitrogen oxides, and then the nitrogen oxides and chlorine dioxide are simultaneously absorbed and converted into water-soluble substances through a washing tower. At present, the reducing agent frequently used generally adopts ozone, but the existing denitration equipment cannot ensure the sufficient mixing of the flue gas of the ozone, the flue gas cannot be efficiently subjected to denitration treatment, and meanwhile, the flue gas treatment effect is not good easily due to insufficient mixing of the flue gas and alkali liquor in a washing tower, so that harmful substances in the flue gas cannot be effectively removed.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, an object of the utility model is to provide a high-efficient ozone denitrification facility of industrial flue gas.
In order to realize the technical purpose, the technical scheme of the utility model is that:
an industrial flue gas efficient ozone denitration device comprises a reaction channel and an absorption tower, wherein the reaction channel is connected with the absorption tower through an exhaust fan, an ozone adding device is installed inside the reaction channel, and an alkali liquor spraying device is arranged in the absorption tower;
the ozone adding device comprises an air supply pipe and an air distribution pipe, the air supply pipe penetrates through the side wall of the reaction channel to supply ozone into the reaction channel, the air distribution pipe comprises an air distribution ring and a communicating pipe, air dispersion holes are formed in the air distribution ring and the communicating pipe, the air distribution ring is perpendicular to the axial direction of the reaction channel, and two ends of the communicating pipe are respectively communicated with the air supply pipe and the air distribution ring;
alkali lye spray set includes feed pipe and shower, the feed pipe runs through the lateral wall of absorption tower to the inside confession liquid of absorption tower, the end-to-end connection of feed pipe has the connecting pipe of vertical setting, the bottom of connecting pipe is sealed, the shower is even arranges the bottom of connecting pipe is all around, laid the atomising head on the pipe wall of shower, the atomising head with the shower slope sets up, the atomising head orientation alkali lye is sprayed to the oblique below of shower.
Furthermore, the number of the air distribution pipes is at least two, the air distribution pipes are connected with the air supply pipe through the communicating pipes, and the communicating pipes on the two adjacent air distribution pipes are arranged in a staggered mode.
Furthermore, the number of the communicating pipes is at least three, and the communicating pipes are uniformly arranged along the circumferential direction of the gas distribution ring.
Furthermore, a rotary joint is connected between the connecting pipe and the liquid supply pipe, and the connecting pipe freely rotates relative to the rotary joint.
Furthermore, the number of the spray pipes is at least three, the spray heads incline to the same sides of the spray pipes, the inclination angles of the spray heads and the spray pipes are the same, and the spray heads drive the spray pipes to rotate along the rotary spray heads.
Furthermore, the connecting pipes are arranged along the central axis of the absorption tower, and the length of each spraying pipe is equal.
Further, the draught fan is installed in the place ahead of reaction channel, the draught fan through turn down the neck pipe with reaction channel connects, turn down the neck pipe both ends respectively through the connection ring flange with the draught fan or reaction channel connects.
Furthermore, an air inlet pipe is installed at the front end of the induced draft fan, and the air inlet pipe is connected with a smoke exhaust pipe.
Furthermore, the gas supply pipe is positioned at one end outside the reaction channel and is connected with an ozone generator, and a flow regulating valve is arranged on the gas supply pipe.
Furthermore, the liquid supply pipe is connected with the alkali liquor pool through a liquid supply pump, and a flow regulating valve is arranged on the liquid supply pipe.
The utility model has the advantages that:
1. the utility model discloses the high-efficient ozone denitrification facility of industry flue gas of example, reaction channel's internally mounted has ozone to throw feeder apparatus, and every gas distribution pipe all is connected with the air supply pipe through communicating pipe, and communicating pipe on two adjacent gas distribution pipes is along the flow direction staggered arrangement of flue gas in reaction channel, can be so that the reaction of ozone and flue gas is more abundant. The communicating pipes are uniformly arranged along the circumferential direction of the gas distribution ring. Ozone is supplied into the reaction channel through the ozone adding device, and is uniformly distributed into the reaction channel through the ozone adding device, so that the ozone and the flue gas are fully mixed. Ozone and the flue gas intensive mixing contact in the reaction channel can very effectual improvement denitration efficiency.
2. The utility model discloses a high-efficient ozone denitrification facility of industry flue gas is equipped with alkali lye spray set in the absorption tower, sprays alkali lye in to the absorption tower through alkali lye spray set, and spray set fully atomizes alkali lye in the absorption tower, and alkali lye top-down sprays to the absorption tower bottom, and opposite with the flow direction of flue gas, can make the abundant alkali lye mix with alkali lye, improves reaction efficiency. The bottom of the spray direction looks absorption tower of atomising head sprays to the injection direction and the shower of atomising head have certain angle, under the drive effect of atomising head, can promote the shower and rotate around rotary joint, make alkali lye more even in the spraying of absorption tower, improve the mixing degree of flue gas and alkali lye, improve absorption efficiency.
Drawings
FIG. 1 is a schematic structural diagram of an industrial flue gas high-efficiency ozone denitration device according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of an ozone adding device of the high-efficiency ozone denitration device for industrial flue gas in the embodiment of the utility model;
FIG. 3 is a schematic structural view of an alkali liquor spraying device of the high-efficiency ozone denitration device for industrial flue gas in the embodiment of the present invention;
FIG. 4 is another schematic structural diagram of an alkali liquor spraying device of the high-efficiency ozone denitration device for industrial flue gas according to the embodiment of the present invention.
In the figure: 1 reaction channel, 2 induced draft fan, 3 air inlet pipe, 4 absorption tower, 5 exhaust fan, 6 alkali liquor recovery pipe, 7 air supply pipe, 8 air distribution pipe, 9 air distribution ring, 10 communicating pipe, 11 liquid supply pipe, 12 connecting pipe, 13 rotary joint, 14 spray pipe and 15 spray head.
Detailed Description
The present invention is further described below with reference to the drawings attached hereto, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby defining the scope of the present invention more clearly.
As shown in figures 1, 2, 3 and 4,
the utility model provides a high-efficient ozone denitrification facility of industrial flue gas, includes reaction channel and absorption tower, and draught fan 2 is installed in reaction channel 1 the place ahead, and air-supply line 3 is installed to the front end of draught fan 2, and air-supply line 3 is connected with the pipe of discharging fume of industrial boiler, through draught fan 2 with industrial boiler exhaust flue gas in the air-supply line 3 inhales reaction channel 1. The ozone adding device is arranged inside the reaction channel, ozone is supplied into the reaction channel 1 through the ozone adding device, and the ozone is uniformly distributed into the reaction channel 1 through the ozone adding device, so that the ozone and the flue gas are fully mixed.
The induced draft fan 2 is connected with the reaction channel 1 through a bent neck pipe, and two ends of the bent neck pipe are respectively connected with the induced draft fan 2 or the reaction channel 1 through connecting flange plates. The reaction channel 1 is connected with the absorption tower 4 through an exhaust fan 5, the exhaust fan 5 is connected with the absorption tower 4 through a bent neck pipe, and two ends of the bent neck pipe are respectively connected with the exhaust fan 5 or the absorption tower 4 through connecting flange plates. Be equipped with alkali lye spray set in the absorption tower 4, spray alkali lye to the absorption tower in through alkali lye spray set, spray set is abundant atomizing with alkali lye in the absorption tower, and alkali lye top-down sprays to the absorption tower bottom, and opposite with the flow direction of flue gas, can make the abundant alkali lye mix with alkali lye of alkali lye, improves reaction efficiency. An alkali liquor recovery pipe 6 is arranged at the bottom of the absorption tower 4, and the reacted alkali liquor is collected and discharged to a waste liquor pool through the alkali liquor recovery pipe 6.
The ozone adding device adopted by the device comprises an air supply pipe 7 and an air distribution pipe 8, wherein the air supply pipe 7 penetrates through the side wall of the reaction channel 1 to supply ozone into the reaction channel 1, the air distribution pipe 8 comprises an air distribution ring 9 and a communicating pipe 10, air dispersion holes are formed in the air distribution ring 9 and the communicating pipe 10, the air distribution ring 9 is perpendicular to the axial direction of the reaction channel 1, and two ends of the communicating pipe 10 are respectively communicated with the air supply pipe 7 and the air distribution ring 9;
in order to improve the mixing degree of ozone in the reaction channel 1, the number of the gas distribution pipes 8 is at least two, each gas distribution pipe 8 is connected with the gas supply pipe 7 through a communicating pipe 10, the communicating pipes 10 on the two adjacent gas distribution pipes 8 are arranged in the reaction channel 1 in a staggered mode along the flowing direction of the flue gas, and therefore the reaction of the ozone and the flue gas can be more sufficient. The number of the communicating pipes 10 on each air distribution pipe 8 is at least three, and the communicating pipes 10 are uniformly arranged along the circumferential direction of the air distribution ring 9. The communicating pipe 10 plays a role in supporting the gas distribution ring 9 and also plays a role in gas distribution. One end of the gas supply pipe 7, which is positioned at the outer side of the reaction channel 1, is connected with the ozone generator, and the gas supply pipe 7 is provided with a flow regulating valve which controls the gas supply amount of ozone.
The alkali liquor spraying device adopted by the device comprises a liquor supply pipe 11, wherein the liquor supply pipe 11 runs through the side wall of the absorption tower 4 to supply liquor to the inside of the absorption tower 4, the liquor supply pipe 11 is connected with an alkali liquor pool through a liquor supply pump, and a flow regulating valve is arranged on the liquor supply pipe 11.
The end-to-end connection of feed pipe 11 has the connecting pipe 12 of vertical setting, is connected with rotary joint 13 between connecting pipe 12 and the feed pipe 11, and connecting pipe 12 can rotary joint 13 free rotation relatively, and connecting pipe 12 sets up along the axis of absorption tower 4, and the bottom of connecting pipe 12 is sealed, and even the arranging of shower 14 is around the bottom of connecting pipe 12, and the quantity of shower 14 is at least three, and the length of every shower 14 equals.
The wall of the spray pipe 14 is provided with a spray head 15, the spray head 15 and the spray pipe 14 are arranged obliquely, and the spray head 15 sprays alkali liquor to the oblique lower part of the spray pipe 14. The spray head 15 is inclined toward the same side of the shower pipe 14, and the spray head 15 and the shower pipe 14 are inclined at the same angle, and the spray head 15 drives the shower pipe 14 to rotate around the spin head 13. The connection pipe 12 is connected to the liquid supply pipe 11 by a rotary joint 13, the rotary joint 13 is a sealing device for connection, which inputs liquid from one side of the pipeline to the rotary device and discharges the liquid from the rotary device, the rotary joint is a standard component, and only two ends of the rotary joint are respectively connected to the connection pipe 12 and the liquid supply pipe 11 by threads, which is not described herein.
Alkali lye passes through the feed pump and supplies in the feed pipe 11 from the alkali lye pond, then through connecting pipe 12, rotary joint 13 and shower 14, spray head 15 blowout is followed at last, spray head 15's the bottom that the direction of spraying absorbs tower 4 mutually sprays, and spray head 15's injection direction and shower 14 have certain angle, under spray head 15's drive effect, can promote shower 14 and rotate around rotary joint 13, make alkali lye more even at the spraying of absorption tower 4, improve the mixed degree of flue gas and alkali lye, improve absorption efficiency.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Other technical features are known to those skilled in the art except for the technical features described in the specification, and are not described in detail herein in order to highlight the innovative features of the present invention.
Claims (10)
1. The efficient ozone denitration device for the industrial flue gas is characterized by comprising a reaction channel and an absorption tower, wherein the reaction channel is connected with the absorption tower through an exhaust fan, an ozone adding device is arranged in the reaction channel, and an alkali liquor spraying device is arranged in the absorption tower;
the ozone adding device comprises an air supply pipe and an air distribution pipe, the air supply pipe penetrates through the side wall of the reaction channel to supply ozone into the reaction channel, the air distribution pipe comprises an air distribution ring and a communicating pipe, air dispersion holes are formed in the air distribution ring and the communicating pipe, the air distribution ring is perpendicular to the axial direction of the reaction channel, and two ends of the communicating pipe are respectively communicated with the air supply pipe and the air distribution ring;
alkali lye spray set includes feed pipe and shower, the feed pipe runs through the lateral wall of absorption tower to the inside confession liquid of absorption tower, the end-to-end connection of feed pipe has the connecting pipe of vertical setting, the bottom of connecting pipe is sealed, the shower is even arranges the bottom of connecting pipe is all around, laid the atomising head on the pipe wall of shower, the atomising head with the shower slope sets up, the atomising head orientation alkali lye is sprayed to the oblique below of shower.
2. The industrial flue gas high-efficiency ozone denitration device as claimed in claim 1, wherein the number of the gas distribution pipes is at least two, the gas distribution pipes are connected with the gas supply pipe through the communicating pipes, and the communicating pipes on two adjacent gas distribution pipes are arranged in a staggered manner.
3. The efficient ozone denitration device for industrial flue gas according to claim 2, wherein the number of the communicating pipes is at least three, and the communicating pipes are uniformly arranged along the circumferential direction of the gas distribution ring.
4. The industrial flue gas high-efficiency ozone denitration device according to claim 1, wherein a rotary joint is connected between the connecting pipe and the liquid supply pipe, and the connecting pipe freely rotates relative to the rotary joint.
5. The industrial flue gas efficient ozone denitration device according to claim 4, wherein the number of the spray pipes is at least three, the spray heads are inclined towards the same side of the spray pipes, the inclination angles of the spray heads and the spray pipes are the same, and the spray heads drive the spray pipes to rotate along the rotary joint.
6. The efficient ozone denitration device for industrial flue gas according to claim 1, wherein the connecting pipes are arranged along the central axis of the absorption tower, and the length of each spraying pipe is equal.
7. The efficient ozone denitration device for industrial flue gas according to claim 1, characterized in that an induced draft fan is installed in front of the reaction channel, the induced draft fan is connected with the reaction channel through a bent neck pipe, and two ends of the bent neck pipe are respectively connected with the induced draft fan or the reaction channel through connecting flange plates.
8. The efficient ozone denitration device for the industrial flue gas as claimed in claim 7, wherein an air inlet pipe is installed at the front end of the induced draft fan, and the air inlet pipe is connected with a smoke exhaust pipe.
9. The industrial flue gas high-efficiency ozone denitration device as claimed in claim 1, wherein one end of the gas supply pipe located outside the reaction channel is connected with an ozone generator, and the gas supply pipe is provided with a flow regulating valve.
10. The industrial flue gas efficient ozone denitration device according to claim 1, wherein the liquid supply pipe is connected with the alkali liquor pool through a liquid supply pump, and a flow regulating valve is arranged on the liquid supply pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020854243.2U CN212594902U (en) | 2020-05-20 | 2020-05-20 | High-efficient ozone denitrification facility of industrial flue gas |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020854243.2U CN212594902U (en) | 2020-05-20 | 2020-05-20 | High-efficient ozone denitrification facility of industrial flue gas |
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| CN212594902U true CN212594902U (en) | 2021-02-26 |
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| CN202020854243.2U Active CN212594902U (en) | 2020-05-20 | 2020-05-20 | High-efficient ozone denitrification facility of industrial flue gas |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115845586A (en) * | 2022-11-29 | 2023-03-28 | 江苏绿叶环境工程集团有限公司 | Quick SOx/NOx control equipment of flue gas stream |
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2020
- 2020-05-20 CN CN202020854243.2U patent/CN212594902U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115845586A (en) * | 2022-11-29 | 2023-03-28 | 江苏绿叶环境工程集团有限公司 | Quick SOx/NOx control equipment of flue gas stream |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A high-efficiency ozone denitrification device for industrial flue gas Effective date of registration: 20230918 Granted publication date: 20210226 Pledgee: Jinan Rural Commercial Bank Co.,Ltd. Licheng sub branch Pledgor: SHANDONG NIPPON PHOTOELECTRICITY EQUIPMENT Co.,Ltd. Registration number: Y2023980057007 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |