CN207042256U - Denitrification reducing agent gas ammonia produces and denitrating flue gas integrated apparatus - Google Patents
Denitrification reducing agent gas ammonia produces and denitrating flue gas integrated apparatus Download PDFInfo
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- CN207042256U CN207042256U CN201720678347.0U CN201720678347U CN207042256U CN 207042256 U CN207042256 U CN 207042256U CN 201720678347 U CN201720678347 U CN 201720678347U CN 207042256 U CN207042256 U CN 207042256U
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- pipe
- ammonia
- flue
- vaporization tower
- spraying grid
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Abstract
The utility model discloses a kind of production of denitrification reducing agent gas ammonia and denitrating flue gas integrated apparatus, including：Vaporization tower and flue, the lower end of vaporization tower is provided with the taper bucket, the lower end of the taper bucket is provided with drainpipe, control valve is provided with drainpipe, the side lower end of vaporization tower is provided with ammoniacal liquor mouth spray, the opposite side lower end of vaporization tower is provided with lower air intake duct, lower air intake duct is connected with one end of heater box, the other end of heater box is connected by air supply pipe with boiler, electric heating tube is provided with heater box, the upper end of vaporization tower is provided with gas outlet, gas outlet is connected by the first escape pipe with blender, blender is connected by connecting tube with lower air intake duct, annular inlet chamber is provided with the outside of the upper end of vaporization tower.The utility model is simple in construction, prepares gas ammonia conveniently, securely and reliably, cost is low, occupies little space, and ammonia-spraying grid pipe can at any time be dismounted, changed and repaired.
Description
Technical field
It the utility model is related to denitrating flue gas field, more particularly to a kind of production of denitrification reducing agent gas ammonia and denitrating flue gas one
Body makeup is put.
Background technology
At present, with the continuous enhancing of people's environmental consciousness, country is to the industry such as electric power petroleum and petrochemical industry, coloured, building materials
The discharge standard of nitrogen oxides is improved constantly in Industrial Stoves, and the research and development of denitration device are also greatly developed.China at present
SCR denitration is typically used, i.e., gas ammonia gaseous mixture is ejected into flue by ammonia-spraying grid and denitration is carried out to flue gas.It is existing
SCR denitration system in, reducing agent gas ammonia is a kind of harmful influence, and excessive concentration has the danger of blast, and be unfavorable for over long distances it is defeated
Send.In denitration engineering, conventional project at present scene prepares gas ammonia using ammoniacal liquor, in conventional preparation technology, gas ammonia system
Ammonia station is located at, uses steam as thermal source, sets device, the technological processes such as evaporator tank, surge tank, dilution air, heater multiple
Miscellaneous, floor space is big, and long distance delivery is into boiler SCR reactors directly after the generation of ammonia station for gas ammonia, in the process of conveying
In easily leak, it is dangerous high, meanwhile, in existing SCR denitration system, direct impact of the ammonia-spraying grid pipe range time by flue gas
So as to cause ammonia-spraying grid pipe heavy wear, in addition, typically drilling uses ammonia-spraying grid pipe for spray ammonia directly above, spray
Ammonia is uneven, and spray orifice easily blocks, and the blind end that ammonia-spraying grid pipe is stretched into flue is typically all to be directly welded at flue
On inwall, dismounting, change and repair all inconveniences, can not meet requirement.
Utility model content
Technical problem to be solved in the utility model is：There is provided a kind of using effect good denitrification reducing agent gas ammonia production
With denitrating flue gas integrated apparatus.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is：Denitrification reducing agent gas ammonia produce and
Denitrating flue gas integrated apparatus, including：Vaporization tower and flue, the lower end of the vaporization tower is provided with the taper bucket, in the cone
The lower end of shape bucket is provided with drainpipe, and control valve is provided with the drainpipe, is set in the side lower end of the vaporization tower
There is ammoniacal liquor mouth spray, lower air intake duct is provided with the opposite side lower end of the vaporization tower, the lower air intake duct is with adding
One end of hot tank is connected, and the other end of the heater box is connected by air supply pipe with boiler, is set in the heater box
There is electric heating tube, gas outlet is provided with the upper end of the vaporization tower, the gas outlet passes through the first escape pipe and blender phase
Connection, the blender are connected by connecting tube with lower air intake duct, and ring is provided with the outside of the upper end of the vaporization tower
Shape inlet chamber, the annular inlet chamber is interconnected by upper air intake duct with connecting tube, in the upper end of the vaporization tower
Side is evenly arranged with some air nozzles being interconnected with annular inlet chamber, and the blender also passes through the second escape pipe and shunting
Supervisor is connected, and is evenly arranged with some shunt pipes on the shunting supervisor, is respectively arranged with the shunt pipe
Branch pipe flange, gas approach is provided with the lower end of the flue, and some sleeve pipes are evenly arranged with the side of the flue,
Casing flange is provided with described sleeve pipe, is provided with the opposite side inner homogeneous of the flue some one-to-one with sleeve pipe
Threaded block, male thread is provided with the threaded block, is equipped with ammonia-spraying grid pipe respectively in described sleeve pipe, in the spray ammonia
Grating pipe, which is stretched on one end of flue, is provided with thread seal block, is provided with the outside of the thread seal block and male thread phase
The box thread mutually coordinated, first to be cooperated with branch pipe flange is provided with one end of ammonia-spraying grid pipe stretching sleeve pipe
Adpting flange, it is provided with and casing flange phase interworking on the ammonia-spraying grid pipe between first adpting flange and casing flange
The second adpting flange closed, the ammonia-spraying grid pipe side in the flue are evenly arranged with some acclivitous left nozzles,
The opposite side of ammonia-spraying grid pipe in the flue is provided with some acclivitous right nozzles, the left nozzle and right nozzle
It is staggered, the dislocation angle of left nozzle and right nozzle is 90 degree, and the ammonia-spraying grid pipe lower end in the flue is provided with 90
Spend abrasionproof angle steel.
The utility model has the advantages that：Above-mentioned denitrification reducing agent gas ammonia production and denitrating flue gas integrated apparatus, structure letter
It is single, prepare gas ammonia conveniently, directly can be installed beside boiler SCR reactors, avoid generation leakage during long-distance transport
Accident, securely and reliably, cost of investment are low, occupy little space, meanwhile, in the lower end of ammonia-spraying grid pipe, 90 degree of abrasionproof angle steel are set,
The flue gas that stack base enters can be guided in the flue of ammonia-spraying grid pipe upper end, avoid flue gas from causing ammonia-spraying grid pipe
Directly impact, prevent ammonia-spraying grid pipe from producing abrasion, in addition, replacing original spray orifice using acclivitous left and right nozzle arrangements
Structure, left and right nozzle is staggered and the angle that misplaces is 90 degree, and spray nitrogen is uniform, and nozzle is not susceptible to block, ammonia-spraying grid pipe energy
Enough to be dismounted, changed and repaired at any time, using effect is good, meets denitration demand.
Brief description of the drawings
Fig. 1 is the structural representation of the production of the utility model denitrification reducing agent gas ammonia and denitrating flue gas integrated apparatus.
Fig. 2 is the vertical view mplifying structure schematic diagram of flue in Fig. 1.
Fig. 3 is the cross section structure diagram of A-A in Fig. 2.
In figure：1st, vaporization tower, 2, flue, 3, the taper bucket, 4, drainpipe, 5, control valve, 6, ammoniacal liquor mouth spray, 7, lower air
Air inlet pipe, 8, heater box, 81, electric heating tube, 9, air supply pipe, 10, boiler, 11, gas outlet, the 12, first escape pipe, 13, mixing
Device, 14, connecting tube, 15, annular inlet chamber, 16, upper air intake duct, 17, air nozzle, the 18, second escape pipe, 19, shunting master
Pipe, 20, shunt pipe, 21, branch pipe flange, 22, gas approach, 23, sleeve pipe, 24, casing flange, 25, threaded block, 26, public spiral shell
Line, 27, ammonia-spraying grid pipe, 28, thread seal block, 29, box thread, the 30, first adpting flange, the 31, second adpting flange, 32,
Left nozzle, 33, right nozzle, 34,90 degree of abrasionproof angle steel.
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, Figure 2, Figure 3 shows, the production of denitrification reducing agent gas ammonia and denitrating flue gas integrated apparatus, including：Vaporization tower 1
With flue 2, the lower end of the vaporization tower 1 is provided with the taper bucket 3, the lower end of the taper bucket 3 is provided with drainpipe 4,
Control valve 5 is provided with the drainpipe 4, the side lower end of the vaporization tower 1 is provided with ammoniacal liquor mouth spray 6, in the vapour
The opposite side lower end for changing tower 1 is provided with lower air intake duct 7, and the lower air intake duct 7 is connected with one end of heater box 8,
The other end of the heater box 8 is connected by air supply pipe 9 with boiler 10, and electric heating tube 81 is provided with the heater box 8,
Gas outlet 11 is provided with the upper end of the vaporization tower 1, the gas outlet 11 is connected by the first escape pipe 12 with blender 13
Connect, the blender 13 is connected by connecting tube 14 with lower air intake duct 7, is set on the outside of the upper end of the vaporization tower 1
There is annular inlet chamber 15, the annular inlet chamber 15 is interconnected by upper air intake duct 16 and connecting tube 14, in the vapour
Change and some air nozzles 17 being interconnected with annular inlet chamber 15 are evenly arranged with the inside of the upper end of tower 1, the blender 13 is also
It is connected by the second escape pipe 18 with shunting supervisor 19, some shunt pipes is evenly arranged with the shunting supervisor 19
20, branch pipe flange 21 is respectively arranged with the shunt pipe 20, the lower end of the flue 2 is provided with gas approach 22,
Some sleeve pipes 23 are evenly arranged with the side of the flue 2, casing flange 24 are provided with described sleeve pipe 23, in the cigarette
The opposite side inner homogeneous in road 2 is provided with some with the one-to-one threaded block 25 of sleeve pipe 23, the setting in the threaded block 25
There is male thread 26, be equipped with ammonia-spraying grid pipe 27 respectively in described sleeve pipe 23, flue 2 is stretched into the ammonia-spraying grid pipe 27
Thread seal block 28 is provided with one end, the mother to be cooperated with male thread 26 is provided with the outside of the thread seal block 28
Screw thread 29, first company that is provided with branch pipe flange 21 cooperates is stretched out on one end of sleeve pipe 23 in the ammonia-spraying grid pipe 27
Acting flange 30, is provided with the ammonia-spraying grid pipe 27 between first adpting flange 30 and casing flange 24 and casing flange
24 the second adpting flanges 31 to cooperate, the side of ammonia-spraying grid pipe 27 in the flue 2 are evenly arranged with some upward
Inclined left nozzle 32, the opposite side of the ammonia-spraying grid pipe 27 in the flue 2 are provided with some acclivitous right nozzles
33, the left nozzle 32 and right nozzle 33 are staggered, and the dislocation angle of left nozzle 32 and right nozzle 33 is 90 degree, in the cigarette
The lower end of ammonia-spraying grid pipe 27 in road 2 is provided with 90 degree of abrasionproof angle steel 34.
When above-mentioned the production of denitrification reducing agent gas ammonia and the installation of denitrating flue gas integrated apparatus, by the spiral shell on ammonia-spraying grid pipe 27
Line sealing block 28 is inserted into flue 2 from sleeve pipe 23, the public spiral shell that the box thread 29 on thread seal block 28 is screwed in threaded block 25
On line 26, the second adpting flange 31 on ammonia-spraying grid pipe 27 is connected with casing flange 24, now, on ammonia-spraying grid pipe 27
Left nozzle 32 and right nozzle 33 are put obliquely, and 90 degree of abrasionproof angle steel 34 turn to ammonia-spraying grid pipe 27 with ammonia-spraying grid pipe 27
Underface, the first adpting flange 30 on ammonia-spraying grid pipe 27 is connected with the branch pipe flange 21 on shunt pipe 20.
The production of above-mentioned denitrification reducing agent gas ammonia and denitrating flue gas integrated apparatus in use, ammoniacal liquor from the mist of ammoniacal liquor mouth spray 6
Change is injected in vaporization tower 1, meanwhile, it is powered to electric heating tube 81 and heater box 8 is heated, the Secondary Air of boiler 10 is from supply
Pipe 9, which enters in heater box 8, to be heated, and the Secondary Air after heating respectively enters lower air intake duct 7, connecting tube 14 and upper air
In air inlet pipe 16, the lower end that the hot-air in lower air intake duct 7 enters vaporization tower 1 be sufficiently mixed connecing with the ammoniacal liquor being atomized
Touching, carry out heat exchange reaction, mixture of the ammoniacal liquor direct gasification generation containing ammonia and vapor flows to the upper end of vaporization tower 1, with
This simultaneously, hot-air in upper air intake duct 16 enters in annular inlet chamber 15, and the hot-air in annular inlet chamber 15 passes through
Some air nozzles 17 interconnected with it are ejected into the inner upper end of vaporization tower 1, and the heat entered from the inner upper end of vaporization tower 1 is empty
The mixture containing ammonia and vapor of upper end of the gas with flowing to vaporization tower 1 is sufficiently mixed again to be contacted, and is exchanged heat again
Reaction, ensure that ammonia will not be liquefied, the mixture of ammonia and vapor by the reaction that exchanges heat twice is from the upper end of vaporization tower 1
Gas outlet is discharged, and is entered by the first escape pipe 12 in blender 13, the condensed water in vaporization tower 1 flow to the taper bucket along tower wall
In 3, control valve 5 is opened, the condensed water in the taper bucket 3 can be discharged by drainpipe 4, now, the hot-air in connecting tube 14
Mixed diluting is contacted in into blender 13 with the mixture of ammonia and vapor, control gas ammonia mass concentration once, is mixed 5%
Hot mixing gas after conjunction is entered in shunting supervisor 19 by the second escape pipe 18, and shunting supervisor 19 is by gas ammonia blender by some
Shunt pipe 20 is had respectively entered in some ammonia-spraying grid pipes 27 after shunting, and at the same time, flue gas enters from the flue gas of the lower end of flue 2
Mouth 22 enters in flue 2, and flue gas is guided in the flue 2 of the upper end of ammonia-spraying grid pipe 27 by 90 degree of abrasionproof angle steel 34, into spray ammonia
Gas ammonia gaseous mixture in grating pipe 27 is projected by left nozzle 32 and right nozzle 33 toward oblique upper, and gas ammonia gaseous mixture is with passing through 90 degree
The flue gas that abrasionproof angle steel 34 is guided in the upper end flue 2 of ammonia-spraying grid pipe 27 carries out abundant denitration reaction.
Above-mentioned denitrification reducing agent gas ammonia production and denitrating flue gas integrated apparatus, it is simple in construction, prepare gas ammonia conveniently, can
Directly installed beside boiler SCR reactors, avoid and produce leakage accident during transporting for long-distance, securely and reliably, invest into
This is low, occupies little space, meanwhile, 90 degree of abrasionproof angle steel are set in the lower end of ammonia-spraying grid pipe, stack base can be entered
Flue gas is guided in the flue of ammonia-spraying grid pipe upper end, avoids flue gas from causing directly to impact to ammonia-spraying grid pipe, prevents from spraying ammonia lattice
Bank tube produces abrasion, in addition, replacing original jet orifice structure using acclivitous left and right nozzle arrangements, left and right nozzle is staggeredly set
Put and the angle that misplaces is 90 degree, spray nitrogen is uniform, and nozzle is not susceptible to block, and ammonia-spraying grid pipe can at any time be dismounted, changed
And maintenance, using effect is good, meets denitration demand.
Claims (1)
1. denitrification reducing agent gas ammonia produces and denitrating flue gas integrated apparatus, it is characterised in that：Including：Vaporization tower（1）And flue
（2）, in the vaporization tower（1）Lower end be provided with the taper bucket（3）, in the taper bucket（3）Lower end be provided with drainpipe
（4）, in the drainpipe（4）On be provided with control valve（5）, in the vaporization tower（1）Side lower end be provided with ammoniacal liquor hydrojet
Mouthful（6）, in the vaporization tower（1）Opposite side lower end be provided with lower air intake duct（7）, the lower air intake duct（7）With
Heater box（8）One end be connected, the heater box（8）The other end pass through air supply pipe（9）With boiler（10）It is connected, in institute
State heater box（8）Inside it is provided with electric heating tube（81）, in the vaporization tower（1）Upper end be provided with gas outlet（11）, it is described go out
Gas port（11）Pass through the first escape pipe（12）With blender（13）It is connected, the blender（13）Pass through connecting tube（14）With under
Air intake duct（7）It is connected, in the vaporization tower（1）Upper end on the outside of be provided with annular inlet chamber（15）, the annular enters
Air cavity（15）Pass through upper air intake duct（16）With connecting tube（14）It is interconnected, in the vaporization tower（1）Upper end on the inside of
It is even to be provided with some and annular inlet chamber（15）Interconnected air nozzle（17）, the blender（13）Also pass through the second outlet
Pipe（18）It is responsible for shunting（19）It is connected, in the shunting supervisor（19）On be evenly arranged with some shunt pipes（20）,
The shunt pipe（20）On be respectively arranged with branch pipe flange（21）, in the flue（2）Lower end be provided with gas approach
（22）, in the flue（2）Side be evenly arranged with some sleeve pipes（23）, in described sleeve pipe（23）On be provided with casing flange
（24）, in the flue（2）Opposite side inner homogeneous be provided with some and sleeve pipe（23）One-to-one threaded block（25）,
In the threaded block（25）Inside it is provided with male thread（26）, in described sleeve pipe（23）Ammonia-spraying grid pipe is inside equipped with respectively
（27）, in the ammonia-spraying grid pipe（27）Stretch into flue（2）One end on be provided with thread seal block（28）, it is close in the screw thread
Seal block（28）Outside be provided with and male thread（26）The box thread of mutual cooperation（29）, in the ammonia-spraying grid pipe（27）Stretch out
Sleeve pipe（23）One end on be provided with and branch pipe flange（21）The first adpting flange to cooperate（30）, in the described first connection
Flange（30）And casing flange（24）Between ammonia-spraying grid pipe（27）On be provided with and casing flange（24）The to cooperate
Two adpting flanges（31）, in the flue（2）Interior ammonia-spraying grid pipe（27）Side is evenly arranged with some acclivitous left sides
Nozzle（32）, in the flue（2）Interior ammonia-spraying grid pipe（27）Opposite side be provided with some acclivitous right nozzles
（33）, the left nozzle（32）And right nozzle（33）It is staggered, left nozzle（32）And right nozzle（33）Dislocation angle be 90
Degree, in the flue（2）Interior ammonia-spraying grid pipe（27）Lower end is provided with 90 degree of abrasionproof angle steel（34）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720678347.0U CN207042256U (en) | 2017-06-12 | 2017-06-12 | Denitrification reducing agent gas ammonia produces and denitrating flue gas integrated apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720678347.0U CN207042256U (en) | 2017-06-12 | 2017-06-12 | Denitrification reducing agent gas ammonia produces and denitrating flue gas integrated apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN207042256U true CN207042256U (en) | 2018-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720678347.0U Expired - Fee Related CN207042256U (en) | 2017-06-12 | 2017-06-12 | Denitrification reducing agent gas ammonia produces and denitrating flue gas integrated apparatus |
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| CN (1) | CN207042256U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107158948A (en) * | 2017-06-12 | 2017-09-15 | 盐城诚达环保工程有限公司 | Denitrification reducing agent gas ammonia is produced and denitrating flue gas integrated apparatus |
| CN108452677A (en) * | 2018-05-16 | 2018-08-28 | 东方电气集团东方锅炉股份有限公司 | It is a kind of using ammonium hydroxide as the SCR denitration method for flue gas and device of denitrification reducing agent |
-
2017
- 2017-06-12 CN CN201720678347.0U patent/CN207042256U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107158948A (en) * | 2017-06-12 | 2017-09-15 | 盐城诚达环保工程有限公司 | Denitrification reducing agent gas ammonia is produced and denitrating flue gas integrated apparatus |
| CN108452677A (en) * | 2018-05-16 | 2018-08-28 | 东方电气集团东方锅炉股份有限公司 | It is a kind of using ammonium hydroxide as the SCR denitration method for flue gas and device of denitrification reducing agent |
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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 |
Granted publication date: 20180227 |
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| CF01 | Termination of patent right due to non-payment of annual fee |