CN209490681U - Using gas flow as the low NOx emission control systems of mathematical model - Google Patents
Using gas flow as the low NOx emission control systems of mathematical model Download PDFInfo
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- CN209490681U CN209490681U CN201821900635.7U CN201821900635U CN209490681U CN 209490681 U CN209490681 U CN 209490681U CN 201821900635 U CN201821900635 U CN 201821900635U CN 209490681 U CN209490681 U CN 209490681U
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Abstract
The utility model discloses a kind of using gas flow as the low NOx emission control systems of mathematical model, is 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；Air inlet pipe of natural gas, natural gas secondary intake pipes are equipped between natural gas line, heat-accumulating burner；It is theed improvement is that: combustion fan air inlet sets electric control valve；Natural gas line is being equipped with gas intelligent flowmeter with the front end of air inlet pipe of natural gas, natural gas secondary intake pipes connectivity part；Electric control valve is controlled by mathematical model of gas flow.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 using gas flow as mathematical model.
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
Cost can by NOx emission control in existing discharge standard claimed range using gas flow as the low NOxization of mathematical model
Object emission control systems.
Summary of the invention
The utility model is achieved through the following technical solutions technical goal.
Using gas flow as the low NOx emission control systems of mathematical model, setting is in heat-accumulating burner air feed, discharge
In system；The heat-accumulating burner air feed, exhaust system include heat-accumulating burner, Y-pipe, natural gas line, combustion-supporting air hose
Road, flue tube, smoke exhaust fan, smoke exhaust pipe, combustion fan, clean room, spray head, alkaline scavenging solution input pipe, pump, liquid storing barrel, alkali
Property scavenging solution, fluid-tight room, alkaline scavenging solution efferent duct；It is primary that natural gas is equipped between the natural gas line, heat-accumulating burner
Air inlet pipe, natural gas secondary intake pipes；Air inlet pipe of the natural gas, the respective one end of natural gas secondary intake pipes respectively with
Natural gas line connection, the respective other end are separately connected air inlet of heat-accumulating burner combustion gas, gas secondary air inlet；Institute
It states heat-accumulating burner exit to be connected to one end of Y-pipe, the another both ends of Y-pipe connect with combustion-supporting air piping, flue tube respectively
It is logical；The combustion-supporting air piping is connected to combustion fan air outlet；One end of the flue tube is connected to smoke exhaust fan air inlet, row
The air outlet of cigarette blower is connected to smoke exhaust pipe；Alkaline scavenging solution is equipped in the liquid storing barrel；The spray head is arranged in clean room
Chamber middle and upper part；The clean room is mounted between Y-pipe, smoke exhaust fan in flue tube, the flue tube being connected to Y-pipe and net
Change the lower section connection of spray head in indoor chamber, the flue tube being connected to smoke exhaust fan is connected to the top of spray head in clean room inner cavity；
The side of clean room is arranged in the liquid storing barrel, and the alkaline scavenging solution in liquid storing barrel is protruded into described alkalinity scavenging solution input pipe one end
Under liquid level, the other end is connected with spray head；The pump is arranged in alkaline scavenging solution input pipe；The fluid-tight room is arranged in clean room
Lower section；The alkalinity scavenging solution efferent duct upper end is connected with clean room bottom, and is connected to clean room inner cavity, and alkaline scavenging solution is defeated
Outlet pipe lower end is inserted into fluid-tight room；It is theed improvement is that: the combustion fan air inlet sets electric control valve；It is described natural
Feed channel is being equipped with gas intelligent flowmeter with the front end of air inlet pipe of natural gas, natural gas secondary intake pipes connectivity part；With
Gas flow is that mathematical model controls 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, the small solenoid valve of an in parallel air inlet in air inlet pipe of the natural gas, electromagnetism in an air inlet
Valve, a big solenoid valve of air inlet；The small solenoid valve of parallel connection secondary air inlet, the big electromagnetism of secondary air inlet in the natural gas secondary intake pipes
Valve.
The utility model compared with prior art, has the positive effect that:
1. combustion fan air inlet sets electric control valve, natural gas line with natural gas air inlet pipe, a natural gas
The front end of secondary intake pipes connectivity part is equipped with gas intelligent flowmeter, controls electric control valve by mathematical model of gas flow,
The generation and discharge amount of NOx are automatically controlled by the motorized adjustment valve regulation intake of combustion fan air inlet, this
Kind control method, significantly reduces cost, substantially reduces occupied area, significantly reduces operating cost, can control NOx emission existing
Have in discharge standard claimed range.
2. 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.
3. the small solenoid valve of an in parallel air inlet in air inlet pipe of natural gas, solenoid valve, an air inlet are big in an air inlet
Solenoid valve, the small solenoid valve of secondary air inlet in parallel, the big solenoid valve of secondary air inlet, control system can be controlled in natural gas secondary intake pipes
The small solenoid valve of an air inlet in parallel in air inlet pipe of preparing natural gas, solenoid valve, a big solenoid valve of air inlet in an air inlet,
Also the small solenoid valve of parallel connection secondary air inlet, the big solenoid valve of secondary air inlet in natural gas secondary intake pipes be can control, to control storage
The combustion process of hot type burner, further by NOx emission control in existing discharge standard claimed range.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model.
Specific embodiment
The utility model is described in further detail below according to attached drawing and in conjunction with the embodiments.
It is shown in the drawings using gas flow as the low NOx emission control systems of mathematical model, setting heat accumulating type burn
In mouth air feed, exhaust system；Heat-accumulating burner air feed, exhaust system include heat-accumulating burner 1, Y-pipe 3, natural gas line
30, combustion-supporting air piping 6, flue tube 7, smoke exhaust fan 17, smoke exhaust pipe 16, combustion fan 18, clean room 8, spray head 9, alkalinity purification
Liquid input pipe 10, pump 11, liquid storing barrel 13, alkaline scavenging solution 14, fluid-tight room 15, alkaline scavenging solution efferent duct 19；Natural gas line
30, air inlet pipe 31 of natural gas, natural gas secondary intake pipes 32 are equipped between heat-accumulating burner 1；Air inlet pipe of natural gas
31, the respective one end of natural gas secondary intake pipes 32 is connected to natural gas line 30 respectively, and the respective other end is separately connected storage
Air inlet of 1 combustion gas of hot type burner, gas secondary air inlet；A small electromagnetism of air inlet in parallel in air inlet pipe 31 of natural gas
34, big solenoid valves 35 of air inlet of solenoid valve in 33, air inlets of valve；Secondary air inlet in parallel is small in natural gas secondary intake pipes 32
The big solenoid valve 37 of solenoid valve 36, secondary air inlet.
1 exit of heat-accumulating burner 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；Combustion-supporting air piping 6 is connected to 18 air outlet of combustion fan；One end of flue tube 7 and smoke exhaust fan 17 are entered the wind
Mouth connection, the air outlet of smoke exhaust fan 17 are connected to smoke exhaust pipe 16；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 between Y-pipe 3, smoke exhaust fan 17 in flue tube 7, is connected with Y-pipe 3
Logical flue tube 7 is connected to the lower section of spray head 9 in 8 inner cavity of clean room, the flue tube 7 being connected to smoke exhaust fan 17 and clean room 8
The top connection of spray head 9 in inner cavity；The side of clean room 8 is arranged in liquid storing barrel 13, and alkaline 10 one end of scavenging solution input pipe is protruded into
Under 14 liquid level of alkaline scavenging solution in liquid storing barrel 13, the other end is connected with spray head 9；Pump 11 is arranged in alkaline scavenging solution input pipe 10
In；The lower section of clean room 8 is arranged in fluid-tight room 15；Alkaline 19 upper end of scavenging solution 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 are inserted into fluid-tight room 15；18 air inlet of combustion fan sets motorized adjustment
Valve 21；Natural gas line 30 is being equipped with combustion with the front end of air inlet pipe 31 of natural gas, 32 connectivity part of natural gas secondary intake pipes
Gas intelligent flow meter 24；Electric control valve 21 is controlled by mathematical model of gas flow.
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.
Claims (3)
1. a kind of using gas flow as the low NOx emission control systems of mathematical model, setting is in heat-accumulating burner air feed, row
In place system；The heat-accumulating burner air feed, exhaust system include heat-accumulating burner (1), Y-pipe (3), natural gas line
(30), combustion-supporting air piping (6), flue tube (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 storing barrel (13), alkaline scavenging solution (14), fluid-tight room (15), alkalinity
Scavenging solution efferent duct (19)；Air inlet pipe of natural gas is equipped between the natural gas line (30), heat-accumulating burner (1)
(31), natural gas secondary intake pipes (32)；Air inlet pipe (31) of the natural gas, natural gas secondary intake pipes (32) are respective
One end is connected to natural gas line (30) respectively, the respective other end be separately connected air inlet of heat-accumulating burner (1) combustion gas,
Gas secondary air inlet；Heat-accumulating burner (1) exit is connected to one end of Y-pipe (3), the another both ends of Y-pipe (3)
It is connected to respectively with combustion-supporting air piping (6), flue tube (7)；The combustion-supporting air piping (6) is connected to combustion fan (18) air outlet；
One end of the flue tube (7) is connected to smoke exhaust fan (17) air inlet, the air outlet of smoke exhaust fan (17) and smoke exhaust pipe (16)
Connection；Alkaline scavenging solution (14) is equipped in the liquid storing barrel (13)；The spray head (9) is arranged in clean room (8) inner cavity middle and upper part；
The clean room (8) is mounted on the cigarette between Y-pipe (3), smoke exhaust fan (17) in flue tube (7), being connected to Y-pipe (3)
Deferent (7) is connected to the lower section of spray head (9) in clean room (8) inner cavity, the flue tube (7) being connected to smoke exhaust fan (17) and purification
The top connection of spray head (9) in room (8) inner cavity；Liquid storing barrel (13) setting is in the side of clean room (8), the alkalinity purification
Liquid 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)；Institute
Pump (11) are stated to be arranged in alkaline scavenging solution input pipe (10)；Lower section of fluid-tight room (15) setting in clean room (8)；It is described
Alkaline scavenging solution efferent duct (19) upper end is connected with clean room (8) bottom, and is connected to clean room (8) inner cavity, and alkaline scavenging solution is defeated
Outlet pipe (19) lower end is inserted into fluid-tight room (15)；It is characterized by: combustion fan (18) air inlet sets electric control valve
(21)；The natural gas line (30) with natural gas air inlet pipe (31), natural gas secondary intake pipes (32) connectivity part
Front end is equipped with gas intelligent flowmeter (24)；Electric control valve (21) are controlled by mathematical model of gas flow.
2. according to claim 1 using gas flow as the low NOx emission control systems of mathematical model, feature exists
In: 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 row
Smoke pipe (16) connection, the other end are connected to combustion fan (18) air inlet.
3. according to claim 2 using gas flow as the low NOx emission control systems of mathematical model, feature exists
In: solenoid valve (34), one in an in parallel small solenoid valve of air inlet (33) in air inlet pipe (31) of the natural gas, an air inlet
The secondary big solenoid valve of air inlet (35)；The in parallel small solenoid valve of secondary air inlet (36) in the natural gas secondary intake pipes (32), it is secondary into
The big solenoid valve of gas (37).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821900635.7U CN209490681U (en) | 2018-11-17 | 2018-11-17 | Using gas flow as the low NOx emission control systems of mathematical model |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821900635.7U CN209490681U (en) | 2018-11-17 | 2018-11-17 | Using gas flow as the low NOx emission control systems of mathematical model |
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| CN209490681U true CN209490681U (en) | 2019-10-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI803060B (en) * | 2021-11-19 | 2023-05-21 | 財團法人金屬工業研究發展中心 | A combustion furnace with the mixing device of fume |
-
2018
- 2018-11-17 CN CN201821900635.7U patent/CN209490681U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI803060B (en) * | 2021-11-19 | 2023-05-21 | 財團法人金屬工業研究發展中心 | A combustion furnace with the mixing device of fume |
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