CN207042255U - Denitrification reducing agent gas ammonia process units - Google Patents
Denitrification reducing agent gas ammonia process units Download PDFInfo
- Publication number
- CN207042255U CN207042255U CN201720678111.7U CN201720678111U CN207042255U CN 207042255 U CN207042255 U CN 207042255U CN 201720678111 U CN201720678111 U CN 201720678111U CN 207042255 U CN207042255 U CN 207042255U
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- CN
- China
- Prior art keywords
- vaporization tower
- intake duct
- air intake
- ammonia
- heater box
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of denitrification reducing agent gas ammonia process units, including：Vaporization tower and the taper bucket for being arranged on vaporization tower lower end, the side lower end of the vaporization tower is provided with ammoniacal liquor mouth spray, the opposite side lower end of the vaporization tower is provided with lower air intake duct, the lower air intake duct is connected with one end of heater box, the other end of the heater box is connected by air supply pipe with boiler, electric heating tube is provided with the heater box, the upper end of the vaporization tower is provided with gas outlet, the gas outlet is connected by the first escape pipe with blender, the blender is connected by the second escape pipe with ammonia-spraying grid, the blender is also connected by connecting tube with lower air intake duct, the lower end of the taper is provided with drainpipe, control valve is provided with the drainpipe, annular inlet chamber is provided with the outside of the upper end of the vaporization tower.The utility model is simple in construction, prepares gas ammonia conveniently, securely and reliably, cost of investment is low, occupies little space.
Description
Technical field
It the utility model is related to denitrating flue gas field, more particularly to a kind of denitrification reducing agent gas ammonia process units.
Background technology
At present, in conventional SCR denitration system, reducing agent gas ammonia is a kind of harmful influence, and excessive concentration has the danger of blast,
And it is unfavorable for long distance delivery.In denitration engineering, conventional project at present scene prepares gas ammonia, conventional preparation using ammoniacal liquor
In technique, gas ammonia system is located at ammonia station, uses steam as thermal source, sets evaporator tank, surge tank, dilution air, heater etc.
Device, technological process are complicated, and floor space is big, and gas ammonia directly generated at ammonia station after long distance delivery to boiler SCR reactors
In, easily leaked during conveying, it is dangerous high.
Utility model content
Technical problem to be solved in the utility model is：A kind of safe and reliable denitrification reducing agent gas ammonia production dress is provided
Put.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is：Denitrification reducing agent gas ammonia production dress
Put, including：Vaporization tower and the taper bucket for being arranged on vaporization tower lower end, ammoniacal liquor hydrojet is provided with the side lower end of the vaporization tower
Mouthful, the opposite side lower end of the vaporization tower is provided with one end of lower air intake duct, the lower air intake duct and heater box
It is connected, the other end of the heater box is connected by air supply pipe with boiler, and electric heating tube is provided with the heater box,
Gas outlet is provided with the upper end of the vaporization tower, the gas outlet is connected by the first escape pipe with blender, described mixed
Clutch is connected by the second escape pipe with ammonia-spraying grid, and the blender is also connected by connecting tube with lower air intake duct
Connect, the lower end of the taper is provided with drainpipe, control valve is provided with the drainpipe, in the upper end of the vaporization tower
Outside is provided with annular inlet chamber, and the annular inlet chamber is interconnected by upper air intake duct with connecting tube, in the vapour
Change and some air nozzles being interconnected with annular inlet chamber are evenly arranged with the inside of the upper end of tower.
The utility model has the advantages that：Above-mentioned denitrification reducing agent gas ammonia process units, it is simple in construction, prepare gas ammonia conveniently,
It can directly be installed beside boiler SCR reactors, avoid and produce leakage accident during transporting for long-distance, securely and reliably, thrown
It is low to provide cost, occupies little space, meets requirement.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model denitrification reducing agent gas ammonia process units.
In figure：1st, vaporization tower, 2, the taper bucket, 3, ammoniacal liquor mouth spray, 4, lower air intake duct, 5, heater box, 51, electrical heating
Pipe, 6, air supply pipe, 7, boiler, 8, gas outlet, the 9, first escape pipe, 10, blender, the 11, second escape pipe, 12, ammonia-spraying grid,
13rd, connecting tube, 14, drainpipe, 15, control valve, 16, annular inlet chamber, 17, upper air intake duct, 18, air nozzle.
Embodiment
Particular content of the present utility model is described in detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, denitrification reducing agent gas ammonia process units, including：Vaporization tower 1 and the cone for being arranged on the lower end of vaporization tower 1
Shape bucket 2, the side lower end of the vaporization tower 1 is provided with ammoniacal liquor mouth spray 3, set in the opposite side lower end of the vaporization tower 1
There is lower air intake duct 4, the lower air intake duct 4 is connected with one end of heater box 5, and the other end of the heater box 5 leads to
Cross air supply pipe 6 with boiler 7 to be connected, electric heating tube 51 is provided with the heater box 5, set in the upper end of the vaporization tower 1
Gas outlet 8 is equipped with, the gas outlet 8 is connected by the first escape pipe 9 with blender 10, and the blender 10 goes out by second
Tracheae 11 is connected with ammonia-spraying grid 12, and the blender 10 is also connected by connecting tube 13 with lower air intake duct 4, in institute
The lower end for stating the taper bucket 2 is provided with drainpipe 14, and control valve 15 is provided with the drainpipe 14, in the vaporization tower 1
Annular inlet chamber 16 is provided with the outside of upper end, the annular inlet chamber 16 is interconnected by upper air intake duct 17 and the phase of connecting tube 13
It is logical, some air nozzles 18 being interconnected with annular inlet chamber 16 are evenly arranged with the inside of the upper end of the vaporization tower 1.
Above-mentioned denitrification reducing agent gas ammonia process units is in use, ammoniacal liquor is injected to vaporization tower 1 from the atomization of ammoniacal liquor mouth spray 3
It is interior, meanwhile, it is powered to electric heating tube 51 and heater box 5 is heated, the Secondary Air of boiler 7 enters in heater box 5 from air supply pipe 6
Heated, the Secondary Air after heating is respectively enterd in lower air intake duct 4, connecting tube 13 and upper air intake duct 17, lower sky
The lower end that hot-air in gas air inlet pipe 4 enters vaporization tower 1 be sufficiently mixed contacting with the ammoniacal liquor being atomized, and exchange heat instead
Should, mixture of the ammoniacal liquor direct gasification generation containing ammonia and vapor flows to the upper end of vaporization tower 1, at the same time, upper air
Hot-air in air inlet pipe 17 enters in annular inlet chamber 16, and the hot-air in annular inlet chamber 16 passes through interconnected with it
Some air nozzles 18 are ejected into the inner upper end of vaporization tower 1, from the hot-air that the inner upper end of vaporization tower 1 enters with flowing to vaporization tower
The mixture containing ammonia and vapor of 1 upper end is sufficiently mixed contact again, carries out heat exchange reaction again, ensures ammonia not
It can be liquefied, the mixture of ammonia and vapor by the reaction that exchanges heat twice is discharged from the gas outlet of the upper end of vaporization tower 1, is passed through
First escape pipe 9 is entered in blender 10, and now, the hot-air in connecting tube 13 enters in blender 10 to be steamed with ammonia and water
The mixture contact mixed diluting of gas, 5% once, mixed hot mixing gas passes through the second outlet to control gas ammonia mass concentration
Pipe 11 is sent in the ammonia-spraying grid 12 of SCR reactors, and the condensed water in vaporization tower 1 is flow in the taper bucket 2 along tower wall, opens control
Valve 15 processed, the condensed water in the taper bucket 2 can be discharged by drainpipe 14.
Above-mentioned denitrification reducing agent gas ammonia process units, it is simple in construction, prepare gas ammonia conveniently, can be directly anti-in boiler SCR
Answer and installed beside device, avoid and produce leakage accident during transporting for long-distance, securely and reliably, cost of investment is low, occupies little space,
Meet requirement.
Claims (1)
1. denitrification reducing agent gas ammonia process units, it is characterised in that：Including：Vaporization tower（1）Be arranged on vaporization tower（1）Lower end
The taper bucket（2）, in the vaporization tower（1）Side lower end be provided with ammoniacal liquor mouth spray（3）, in the vaporization tower（1）It is another
Side lower end is provided with lower air intake duct（4）, the lower air intake duct（4）With heater box（5）One end be connected, it is described plus
Hot tank（5）The other end pass through air supply pipe（6）With boiler（7）It is connected, in the heater box（5）Inside it is provided with electric heating tube
（51）, in the vaporization tower（1）Upper end be provided with gas outlet（8）, the gas outlet（8）Pass through the first escape pipe（9）With mixing
Clutch（10）It is connected, the blender（10）Pass through the second escape pipe（11）With ammonia-spraying grid（12）It is connected, the mixing
Device（10）Also pass through connecting tube（13）With lower air intake duct（4）It is connected, in the taper bucket（2）Lower end be provided with draining
Pipe（14）, in the drainpipe（14）On be provided with control valve（15）, in the vaporization tower（1）Upper end on the outside of be provided with annular
Inlet chamber（16）, the annular inlet chamber（16）Pass through upper air intake duct（17）With connecting tube（13）It is interconnected, described
Vaporization tower（1）Upper end on the inside of be evenly arranged with some and annular inlet chamber（16）Interconnected air nozzle（18）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720678111.7U CN207042255U (en) | 2017-06-12 | 2017-06-12 | Denitrification reducing agent gas ammonia process units |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720678111.7U CN207042255U (en) | 2017-06-12 | 2017-06-12 | Denitrification reducing agent gas ammonia process units |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207042255U true CN207042255U (en) | 2018-02-27 |
Family
ID=61492632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720678111.7U Expired - Fee Related CN207042255U (en) | 2017-06-12 | 2017-06-12 | Denitrification reducing agent gas ammonia process units |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207042255U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111514598A (en) * | 2020-05-09 | 2020-08-11 | 北京翰东环境工程有限公司 | High-efficiency energy-saving ammonia water gasification device |
-
2017
- 2017-06-12 CN CN201720678111.7U patent/CN207042255U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111514598A (en) * | 2020-05-09 | 2020-08-11 | 北京翰东环境工程有限公司 | High-efficiency energy-saving ammonia water gasification device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180227 |