CN203944292U - A kind of denitrification apparatus - Google Patents
A kind of denitrification apparatus Download PDFInfo
- Publication number
- CN203944292U CN203944292U CN201420398305.8U CN201420398305U CN203944292U CN 203944292 U CN203944292 U CN 203944292U CN 201420398305 U CN201420398305 U CN 201420398305U CN 203944292 U CN203944292 U CN 203944292U
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- China
- Prior art keywords
- reaction chamber
- benitration reactor
- ammonia
- denitrification apparatus
- ammonia pipe
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Abstract
The utility model relates to a kind of denitrification apparatus, it comprises ammonia storage tank, Benitration reactor, air preheater and back-end ductwork, described ammonia storage tank is connected with Benitration reactor by ammonia pump, described air preheater is connected with back-end ductwork with Benitration reactor respectively, flue in the middle of being provided with between described Benitration reactor and back-end ductwork, is provided with the first reaction chamber, the second reaction chamber and the 3rd reaction chamber in described Benitration reactor; The utility model aims to provide that a kind of system is simple, denitration efficiency is high and can filter the denitrification apparatus of flying dust.
Description
Technical field
The utility model relates to a kind of equipment for denitrifying flue gas, especially a kind of denitrification apparatus of the flue gas producing for waste incineration.
Background technology
In Refuse Incineration Process, can produce the flue gas of NOx, NOx is a kind of main Air Pollutants, NOx and hydrocarbon can cause photochemical pollution under high light effect, the NOx being discharged in atmosphere is the main cause that forms acid rain, serious harm ecological environment. along with people's improving constantly environmental requirement, after must being reduced, could discharge NOx, and in prior art, in denitrification apparatus, space is large, denitration efficiency is low, and adopt lance ejection mode that a plurality of spray guns must be set, in course of injection guarantee spraying large area, cover like this; In the flue gas of denitrification apparatus, also contain a large amount of flying dusts, these flying dusts are constantly accumulation in denitrification apparatus, easily damages reactor.
Utility model content
The purpose of this utility model is for above-mentioned the deficiencies in the prior art, provides that a kind of system is simple, denitration efficiency is high and can filter the denitrification apparatus of flying dust.
The technical solution of the utility model is achieved in that a kind of denitrification apparatus, comprise ammonia storage tank, Benitration reactor, air preheater and back-end ductwork, in described Benitration reactor, be provided with two catalyst layer by layer, Benitration reactor below is provided with outlet of sewer, described layer catalyst divides Benitration reactor to be separated with the first reaction chamber, the second reaction chamber and the 3rd reaction chamber, the chamber wall of the first described reaction chamber is provided with burner, flue in the middle of described Benitration reactor upper end one side is provided with, described middle flue one end is connected with back-end ductwork, described ammonia storage tank is connected with ammonia pump, described ammonia pump is provided with the first ammonia pipe, the second ammonia pipe and the 3rd ammonia pipe, the first described ammonia pipe is connected with the second reaction chamber, the second described ammonia Guan Yu tri-reaction chambers connect, the 3rd described ammonia pipe is connected with middle flue, in described back-end ductwork, be provided with catalyst reaction device, described air preheater is provided with smoke inlet and nitrogen outlet, described smoke inlet is connected with Benitration reactor, described nitrogen outlet is connected with back-end ductwork.
In above-mentioned a kind of denitrification apparatus, described burner top is provided with baffle plate.
In above-mentioned a kind of denitrification apparatus, the junction of the first described ammonia pipe, the second ammonia pipe, the 3rd ammonia pipe and the second reaction chamber, the 3rd reaction chamber, middle flue is provided with spray plate.
In above-mentioned a kind of denitrification apparatus, between described middle flue and Benitration reactor, be provided with filter course.
In above-mentioned a kind of denitrification apparatus, between described middle flue and back-end ductwork, be provided with current-sharing grid.
In above-mentioned a kind of denitrification apparatus, described layer catalyst below is also provided with screen cloth.
The utility model adopts after said structure, the layer catalyst and the screen cloth that in Benitration reactor, are provided with can filter out flying dust gradually, below Benitration reactor, be provided with burner and can control the generation of NOx, each reaction chamber is provided with ammonia spray site, guarantee spray regime, make denitration efficiency higher, and this is simple in structure, cost is lower.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
The specific embodiment
A kind of denitrification apparatus as shown in Figure 1, comprise ammonia storage tank 1, Benitration reactor 6, air preheater 20 and back-end ductwork 19, in described Benitration reactor 6, be provided with two catalyst 11 layer by layer, described layer catalyst 11 below are also provided with screen cloth, described Benitration reactor 6 belows are provided with outlet of sewer 7, described layer catalyst 11 is separated with the first reaction chamber 8 for 6 minutes by Benitration reactor, the second reaction chamber 12 and the 3rd reaction chamber 13, the chamber wall of the first described reaction chamber 8 is provided with burner 9, described burner 9 tops are provided with baffle plate 10, flue 16 in the middle of described Benitration reactor 6 upper end one sides are provided with, described middle flue 16 one end are connected with back-end ductwork 19, described ammonia storage tank 1 is connected with ammonia pump 2, described ammonia pump 2 is provided with the first ammonia pipe 3, the second ammonia pipe 4 and the 3rd ammonia pipe 5, the first described ammonia pipe 3 is connected with the second reaction chamber 12, the second described ammonia pipe 4 is connected with the 3rd reaction chamber 13, the 3rd described ammonia pipe 5 is connected with middle flue 16, in described back-end ductwork 19, be provided with catalyst reaction device 18, between described middle flue 16 and Benitration reactor 6, be provided with filter course 15, between this centre flue 16 and back-end ductwork 19, be provided with current-sharing grid 17, described air preheater 20 is provided with smoke inlet 21 and nitrogen outlet 22, described smoke inlet 21 is connected with Benitration reactor 6, described nitrogen outlet 22 is connected with back-end ductwork 19, the junction of described the first ammonia pipe 3, the second ammonia pipe 4, the 3rd ammonia pipe 5 and the second reaction chamber 12, the 3rd reaction chamber 13, middle flue 16 is provided with spray plate 14.
Flue gas enters air preheater 20 from smoke inlet 21 and enters Benitration reactor 6, finally from back-end ductwork 19, enter again air preheater 20, from nitrogen outlet 22 discharges, denitrification process is through a plurality of reaction chambers, thereby guarantee the spray regime of ammonia, make denitration efficiency higher, burner can be controlled the generation of NOx, and layer catalyst and screen cloth can filter out flying dust gradually.
Claims (6)
1. a denitrification apparatus, comprise ammonia storage tank (1), Benitration reactor (6), air preheater (20) and back-end ductwork (19), it is characterized in that, in described Benitration reactor (6), be provided with two catalyst (11) layer by layer, Benitration reactor (6) below is provided with outlet of sewer (7), described layer catalyst (11) is separated with the first reaction chamber (8) by Benitration reactor (6) minute, the second reaction chamber (12) and the 3rd reaction chamber (13), the chamber wall of described the first reaction chamber (8) is provided with burner (9), flue (16) in the middle of described Benitration reactor (6) upper end one side is provided with, described middle flue (16) one end is connected with back-end ductwork (19), described ammonia storage tank (1) is connected with ammonia pump (2), described ammonia pump (2) is provided with the first ammonia pipe (3), the second ammonia pipe (4) and the 3rd ammonia pipe (5), the first described ammonia pipe (3) is connected with the second reaction chamber (12), the second described ammonia pipe (4) is connected with the 3rd reaction chamber (13), the 3rd described ammonia pipe (5) is connected with middle flue (16), in described back-end ductwork (19), be provided with catalyst reaction device (18), described air preheater (20) is provided with smoke inlet (21) and nitrogen outlet (22), described smoke inlet (21) is connected with Benitration reactor (6), described nitrogen outlet (22) is connected with back-end ductwork (19).
2. a kind of denitrification apparatus according to claim 1, is characterized in that, described burner (9) top is provided with baffle plate (10).
3. a kind of denitrification apparatus according to claim 1, it is characterized in that, the first described ammonia pipe (3), the second ammonia pipe (4), the 3rd ammonia pipe (5) are provided with spray plate (14) with the junction of the second reaction chamber (12), the 3rd reaction chamber (13), middle flue (16).
4. a kind of denitrification apparatus according to claim 1, is characterized in that, between described middle flue (16) and Benitration reactor (6), is provided with filter course (15).
5. a kind of denitrification apparatus according to claim 1, is characterized in that, between described middle flue (16) and back-end ductwork (19), is provided with current-sharing grid (17).
6. a kind of denitrification apparatus according to claim 1, is characterized in that, described layer catalyst (11) below is also provided with screen cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420398305.8U CN203944292U (en) | 2014-07-18 | 2014-07-18 | A kind of denitrification apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420398305.8U CN203944292U (en) | 2014-07-18 | 2014-07-18 | A kind of denitrification apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203944292U true CN203944292U (en) | 2014-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420398305.8U Expired - Fee Related CN203944292U (en) | 2014-07-18 | 2014-07-18 | A kind of denitrification apparatus |
Country Status (1)
| Country | Link |
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| CN (1) | CN203944292U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106166444A (en) * | 2016-08-29 | 2016-11-30 | 华电电力科学研究院 | A kind of classification spray ammonia equipment for denitrifying flue gas and method |
-
2014
- 2014-07-18 CN CN201420398305.8U patent/CN203944292U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106166444A (en) * | 2016-08-29 | 2016-11-30 | 华电电力科学研究院 | A kind of classification spray ammonia equipment for denitrifying flue gas and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160803 Address after: 528000 Guangdong Province Nanhai District of Foshan City, Guicheng Nanping street west side Guangdong Xia Xi International Plastics City two city Dynamic Alliance Building No. 6 East 502F Patentee after: FOSHAN DAOKANG INVESTMENT ADVISER CO., LTD. Address before: 528225, Foshan, Guangdong province Shishan town lion road tong head village Wang Wenhui plant (oxidation workshop) Patentee before: GUANGDONG HESTIA ENERGY SAVING & ENVIRONMENT PROTECTION CO., LTD. |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170213 Address after: 528225 Guangdong City, Nanhai District, Foshan City, lion Town, Shishan Road, Tong Tau Village Committee Wang Wenhui (warehouse) of the self prepared by the three Patentee after: Guangdong environmental protection equipment Co., Ltd. Address before: 528000 Guangdong Province Nanhai District of Foshan City, Guicheng Nanping street west side Guangdong Xia Xi International Plastics City two city Dynamic Alliance Building No. 6 East 502F Patentee before: FOSHAN DAOKANG INVESTMENT ADVISER CO., LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141119 Termination date: 20170718 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |