CN209490683U - With the low NOx emission control systems of Shi Wenwei mathematical model - Google Patents
With the low NOx emission control systems of Shi Wenwei mathematical model Download PDFInfo
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- CN209490683U CN209490683U CN201821896751.6U CN201821896751U CN209490683U CN 209490683 U CN209490683 U CN 209490683U CN 201821896751 U CN201821896751 U CN 201821896751U CN 209490683 U CN209490683 U CN 209490683U
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- pipe
- combustion
- smoke
- scavenging solution
- smoke exhaust
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- 238000013178 mathematical model Methods 0.000 title claims abstract description 15
- 239000000779 smoke Substances 0.000 claims abstract description 45
- 238000002485 combustion reaction Methods 0.000 claims abstract description 32
- 230000002000 scavenging effect Effects 0.000 claims description 30
- 239000007921 spray Substances 0.000 claims description 21
- 239000007788 liquid Substances 0.000 claims description 16
- 235000019504 cigarettes Nutrition 0.000 claims description 3
- 238000000746 purification Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- BYACHAOCSIPLCM-UHFFFAOYSA-N 2-[2-[bis(2-hydroxyethyl)amino]ethyl-(2-hydroxyethyl)amino]ethanol Chemical group OCCN(CCO)CCN(CCO)CCO BYACHAOCSIPLCM-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model discloses a kind of low NOx emission control systems with Shi Wenwei mathematical model, are arranged in heat-accumulating burner air feed, exhaust system；Heat-accumulating burner air feed, exhaust system include heat-accumulating burner, Y-pipe, combustion-supporting air piping, flue tube, smoke exhaust fan, smoke exhaust pipe, combustion fan；Exhaust gas purification system is equipped in heat-accumulating burner air feed, exhaust system；Combustion air pipe side wall at combustion fan air outlet is equipped with thermocouple；The gauge head of thermocouple protrudes into combustion air inner cavity of pipe；Combustion fan air inlet sets electric control valve, using when temperature mathematical model as Analog control signal, control electric control valve；Further improvement lies in that: it is equipped with back smoke pipe between smoke exhaust pipe, combustion fan air inlet, returns and is equipped with Hand-operated butterfly valve in smoke pipe.The utility model at lower cost, compared with small footprint size, compared with low operating cost can control NOx emission in existing discharge standard claimed range.
Description
Technical field
The utility model relates to industrial discharge fields, and in particular to a kind of heat-accumulating burner emission abatement system.
Background technique
It is existing general to use cigarette still containing many NOx in the flue gas that is discharged after burning using regenerative natural gas burner
Gas recycles, spray cleaning technology is handled, but is difficult to control NOx emission in existing discharge standard claimed range.
If at high cost using NOx controller, maintenance cost is high；If not only at high cost using weak ammonia reduction method, and
And it takes up a large area.
Summary of the invention
The utility model in view of the deficiencies of the prior art, propose it is a kind of at lower cost, compared with small footprint size, lower operation
The low NOx with Shi Wenwei mathematical model that cost can control NOx emission in existing discharge standard claimed range is arranged
Put control system.
Summary of the invention
The utility model is achieved through the following technical solutions technical goal.
With the low NOx emission control systems of Shi Wenwei mathematical model, it is arranged in heat-accumulating burner air feed, exhaust system
In；The heat-accumulating burner air feed, exhaust system include heat-accumulating burner, Y-pipe, combustion-supporting air piping, flue tube, Smoke
Machine, smoke exhaust pipe, combustion fan, clean room, spray head, alkaline scavenging solution input pipe, pump, liquid storing barrel, alkaline scavenging solution, fluid-tight room,
Alkaline scavenging solution efferent duct；The heat-accumulating burner exit is connected to one end of Y-pipe, the another both ends of Y-pipe respectively with
Combustion-supporting air piping, flue tube connection；The combustion-supporting air piping is connected to combustion fan air outlet；One end of the flue tube and row
The connection of cigarette air inlet, the air outlet of smoke exhaust fan are connected to smoke exhaust pipe；Alkaline scavenging solution is equipped in the liquid storing barrel；It is described
Spray head is arranged in clean room, middle and upper part, inner cavity；The clean room is mounted between Y-pipe, smoke exhaust fan in flue tube, with trident
The flue tube of pipe connection is connected to the lower section of spray head in clean room inner cavity, the flue tube being connected to smoke exhaust fan and clean room inner cavity
The top of middle spray head is connected to；The side of clean room is arranged in the liquid storing barrel, and storage is protruded into described alkalinity scavenging solution input pipe one end
Under alkaline scavenging solution liquid level in liquid bucket, the other end is connected with spray head；The pump is arranged in alkaline scavenging solution input pipe；It is described
The lower section of clean room is arranged in fluid-tight room；The alkalinity scavenging solution efferent duct upper end is connected with clean room bottom, and is connected to purification
Indoor chamber, alkaline scavenging solution efferent duct lower end are inserted into fluid-tight room；It is theed improvement is that: at the combustion fan air outlet
Combustion air pipe side wall is equipped with thermocouple；The gauge head of the thermocouple protrudes into combustion air inner cavity of pipe；The combustion fan
Air inlet sets electric control valve, using when temperature mathematical model as Analog control signal, control electric control valve.
In above structure, smoke pipe is equipped with back between the smoke exhaust pipe, combustion fan air inlet；Described time smoke pipe one end and row
Smoke pipe connection, the other end are connected to combustion fan air inlet.
In above structure, Hand-operated butterfly valve is equipped in described time smoke pipe.
The utility model compared with prior art, has the positive effect that:
1. the utility model is equipped with clean room, the gas of heat-accumulating burner discharge is discharged into clean room inner cavity under spray head
Alkaline scavenging solution is passed through alkaline scavenging solution input pipe and conveyed to spray head by side, pump, and alkaline scavenging solution sprays downwards from spray head, to spray
The gas of the heat-accumulating burner discharge of head lower section is purified, and purified gas is arranged under smoke exhaust fan effect by smoke exhaust pipe
Out.It is purified through the utility model, cascade, water mist treatment effect can not only be generated, and be chemically treated by alkaline scavenging solution,
Substantially reduce NOx, SO2, the noxious gas emissions such as CO.
2. the combustion air pipe side wall at combustion fan air outlet is equipped with thermocouple, the gauge head of thermocouple protrudes into combustion air
In inner cavity of pipe, combustion fan air inlet sets electric control valve, using when temperature mathematical model as Analog control signal, control electricity
Dynamic regulating valve.In this way, combustion-supporting air temperature in the combustion-supporting air piping of thermocouple measurement, feeds back to control system for temperature signal, use
Using when temperature mathematical model as Analog control signal, come from by the motorized adjustment valve regulation intake of combustion fan air inlet
The generation and discharge amount of dynamic control NOx, this control method significantly reduces cost, substantially reduces occupied area, significant to drop
Low operating cost can control NOx emission in existing discharge standard claimed range.
3. being equipped with back smoke pipe between smoke exhaust pipe, combustion fan air inlet, the discharge gas Jing Guo purified treatment is returned
It receives and utilizes, on the one hand effective use is by the heat in purified treatment discharge gas；Second is that effective use is arranged by purified treatment
Oxygen in deflation body.
4. being equipped with Hand-operated butterfly valve in time smoke pipe, the flow of the discharge gas by purified treatment of recycling is controlled
System, to achieve the purpose that further to control NOx emission.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model.
Fig. 2 is Fig. 1 left view.
Specific embodiment
The utility model is described in further detail below according to attached drawing and in conjunction with the embodiments.
Low NOx emission control systems shown in the drawings with Shi Wenwei mathematical model, setting are supplied in heat-accumulating burner
In wind, exhaust system；Heat-accumulating burner air feed, exhaust system include heat-accumulating burner 1, Y-pipe 3, combustion-supporting air piping 6, flue
Pipe 7, smoke exhaust fan 17, smoke exhaust pipe 16, combustion fan 18, clean room 8, spray head 9, alkaline scavenging solution input pipe 10, pump 11, liquid storage
Bucket 13, alkaline scavenging solution 14, fluid-tight room 15, alkaline scavenging solution efferent duct 19；1 exit of heat-accumulating burner and the one of Y-pipe 3
End connection, the another both ends of Y-pipe 3 are connected to combustion-supporting air piping 6, flue tube 7 respectively；Combustion-supporting air piping 6 goes out with combustion fan 18
Air port connection；One end of flue tube 7 is connected to 17 air inlet of smoke exhaust fan, and the air outlet and smoke exhaust pipe 16 of smoke exhaust fan 17 connect
It is logical；Alkaline scavenging solution 14 is equipped in liquid storing barrel 13；Spray head 9 is arranged in 8 inner cavity middle and upper part of clean room；Clean room 8 is mounted on trident
The lower section of spray head 9 in the flue tube 7 being connected between pipe 3, smoke exhaust fan 17 in flue tube 7 with Y-pipe 3 and 8 inner cavity of clean room
Connection, the flue tube 7 being connected to smoke exhaust fan 17 are connected to the top of spray head 9 in 8 inner cavity of clean room；Liquid storing barrel 13 is arranged net
Change the side of room 8, alkaline 10 one end of scavenging solution input pipe protrudes under 14 liquid level of alkaline scavenging solution in liquid storing barrel 13, the other end with
Spray head 9 is connected；Pump 11 is arranged in alkaline scavenging solution input pipe 10；The lower section of clean room 8 is arranged in fluid-tight room 15；Alkalinity purification
19 upper end of liquid efferent duct is connected with 8 bottom of clean room, and is connected to 8 inner cavity of clean room, alkaline 19 lower end of scavenging solution efferent duct insertion
In fluid-tight room 15；6 side wall of combustion-supporting air piping at 18 air outlet of combustion fan is equipped with thermocouple 2；The gauge head of the thermocouple 2
It protrudes into combustion-supporting 6 inner cavity of air piping；18 air inlet of combustion fan sets electric control valve 21, using when temperature mathematical model as analog quantity
Signal is controlled, electric control valve 21 is controlled.
Smoke pipe 23 is equipped with back between smoke exhaust pipe 16,18 air inlet of combustion fan；23 one end of smoke pipe is gone back to be connected to smoke exhaust pipe 16,
The other end is connected to 18 air inlet of combustion fan, is returned and is equipped with Hand-operated butterfly valve 22 in smoke pipe 23.
Claims (3)
1. a kind of low NOx emission control systems with Shi Wenwei mathematical model, setting is in heat-accumulating burner air feed, discharge system
In system；The heat-accumulating burner air feed, exhaust system include heat-accumulating burner (1), Y-pipe (3), combustion-supporting air piping (6), cigarette
Deferent (7), smoke exhaust fan (17), smoke exhaust pipe (16), combustion fan (18), clean room (8), spray head (9), alkaline scavenging solution input
Manage (10), pump (11), liquid storing barrel (13), alkaline scavenging solution (14), fluid-tight room (15), alkaline scavenging solution efferent duct (19)；It is described
Heat-accumulating burner (1) exit is connected to one end of Y-pipe (3), the another both ends of Y-pipe (3) respectively with combustion-supporting air piping
(6), flue tube (7) is connected to；The combustion-supporting air piping (6) is connected to combustion fan (18) air outlet；The one of the flue tube (7)
End is connected to smoke exhaust fan (17) air inlet, and the air outlet of smoke exhaust fan (17) is connected to smoke exhaust pipe (16)；The liquid storing barrel
(13) alkaline scavenging solution (14) is equipped in；The spray head (9) is arranged in clean room (8) inner cavity middle and upper part；Clean room (8) peace
The flue tube (7) being connected between Y-pipe (3), smoke exhaust fan (17) in flue tube (7) with Y-pipe (3) and clean room
(8) lower section of spray head (9) is connected in inner cavity, spray head in the flue tube (7) being connected to smoke exhaust fan (17) and clean room (8) inner cavity
(9) top connection；Liquid storing barrel (13) setting is in the side of clean room (8), the alkalinity scavenging solution input pipe (10) one
End is protruded under alkaline scavenging solution (14) liquid level in liquid storing barrel (13), and the other end is connected with spray head (9)；Pump (11) setting exists
In alkaline scavenging solution input pipe (10)；Lower section of fluid-tight room (15) setting in clean room (8)；The alkalinity scavenging solution output
Pipe (19) upper end is connected with clean room (8) bottom, and is connected to clean room (8) inner cavity, and alkaline scavenging solution efferent duct (19) lower end is inserted
Enter in fluid-tight room (15)；It is characterized by: combustion-supporting air piping (6) side wall at combustion fan (18) air outlet is equipped with heat
Galvanic couple (2)；The gauge head of the thermocouple (2) protrudes into combustion-supporting air piping (6) inner cavity；Combustion fan (18) air inlet is set
Electric control valve (21), using when temperature mathematical model as Analog control signal, control electric control valve (21).
2. the low NOx emission control systems according to claim 1 with Shi Wenwei mathematical model, it is characterised in that:
Smoke pipe (23) are equipped with go back between the smoke exhaust pipe (16), combustion fan (18) air inlet；Described time smoke pipe (23) one end and smoke evacuation
(16) connection is managed, the other end is connected to combustion fan (18) air inlet.
3. the low NOx emission control systems according to claim 2 with Shi Wenwei mathematical model, it is characterised in that:
Hand-operated butterfly valve (22) are equipped in described time smoke pipe (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821896751.6U CN209490683U (en) | 2018-11-16 | 2018-11-16 | With the low NOx emission control systems of Shi Wenwei mathematical model |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821896751.6U CN209490683U (en) | 2018-11-16 | 2018-11-16 | With the low NOx emission control systems of Shi Wenwei mathematical model |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209490683U true CN209490683U (en) | 2019-10-15 |
Family
ID=68151517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821896751.6U Active CN209490683U (en) | 2018-11-16 | 2018-11-16 | With the low NOx emission control systems of Shi Wenwei mathematical model |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209490683U (en) |
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2018
- 2018-11-16 CN CN201821896751.6U patent/CN209490683U/en active Active
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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: Low NOx emission control system based on time temperature mathematical model Granted publication date: 20191015 Pledgee: Bank of China Limited Jiangyan Branch Pledgor: JIANGSU TENGTIAN INDUSTRIAL FURNACE Co.,Ltd. Registration number: Y2024980039249 |