CN209714721U - High-efficiency multi-stage wet type emulsifies desulphurization system - Google Patents
High-efficiency multi-stage wet type emulsifies desulphurization system Download PDFInfo
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- CN209714721U CN209714721U CN201822227686.4U CN201822227686U CN209714721U CN 209714721 U CN209714721 U CN 209714721U CN 201822227686 U CN201822227686 U CN 201822227686U CN 209714721 U CN209714721 U CN 209714721U
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- wet type
- tower body
- spray equipment
- desulphurization system
- emulsifies
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Abstract
The utility model relates to a kind of high-efficiency multi-stage wet types to emulsify desulphurization system, be suitable for petrochemical industry, large and medium-sized industrial furnace, kiln smoke-gas wet desulfurization, dedusting.Including multistage wet type emulsification desulfurizing tower, pH conditioning tank, circulating pump, pond and flush water pump；Multistage wet type emulsification desulfurizing tower includes tower body, demister, spray equipment, cooling sprayer, blast pipe and discharge pipe；Tower body lower part is equipped with blast pipe, and blast pipe outer end is connected with blower, is equipped with cooling sprayer in air inlet；Middle part is equipped with three layers of spray equipment in tower body, and three layers of spray equipment top are provided with the double-deck demister, three layers of spray equipment lower part are provided with wind-force energy-collecting cyclonic chamber；Demister is provided with water pipe, except atomizing nozzle and demisting plate；Spray equipment includes nozzle and shower plate；Shower plate is mounted below nozzle, and nozzle is connected by the liquid distributor that pipeline and solenoid valve are connected with circulation pump output terminal；Circulating pump suction side is connected with pH conditioning tank, and circulation pump output terminal is connected with a plurality of liquid distributor.
Description
Technical field
The utility model relates to a kind of high-efficiency multi-stage wet types to emulsify desulphurization system, be suitable for petrochemical industry, large and medium-sized industry
Furnace, kiln smoke-gas wet desulfurization, dedusting.
Background technique
Existing emulsification desulphurization system product is liquid or sludge, it is more difficult to be handled, input gas temperature is high, equipment corrosion
Property it is serious, flue gas needs to reheat after washing, and energy consumption is high, takes up a large area, and investment and operating cost are high.System complex, equipment are huge
Greatly, water consumption is big, one-time investment is high, applies in general to large power plant.
Summary of the invention
The purpose of the utility model is to overcome in the prior art the shortcomings that, a kind of high-efficiency multi-stage wet type emulsification desulfurization system is provided
Flue-gas temperature is reduced to a certain extent since high-efficiency multi-stage wet type emulsification desulfurizing tower is provided with cooling sprayer, is had by system
Effect reduces the perishable disadvantage of tower vivo devices, reduces operation expense, improves desulfuration efficiency；Desulphurization system structure
Simply, desulfuration efficiency is high, good economy performance.
High-efficiency multi-stage wet type emulsification desulphurization system is achieved through the following technical solutions:
High-efficiency multi-stage wet type emulsify desulphurization system include multistage wet type emulsification desulfurizing tower, pH conditioning tank, circulating pump, pond,
Flush water pump.
Multistage wet type emulsification desulfurizing tower includes tower body, demister, spray equipment, cooling sprayer, blast pipe, outlet air
Pipe.Tower body lower part is equipped with blast pipe, and blast pipe outer end is connected with blower, and air inlet and industrial furnace, kiln discharge flue
It is connected.Cooling sprayer is equipped in air inlet.Cooling sprayer is equipped with chilling spray head, chilling spray head by pipeline and
The liquid distributor that chilling spray hydraulic control solenoid valve is connected with circulation pump output terminal is connected.The spray equipment includes nozzle, spray
Drench plate；Shower plate is mounted below nozzle, and nozzle is exported by pipeline and spray emulsification soda ash hydraulic control solenoid valve and circulating pump
The connected liquid distributor in end is connected.
Discharge pipe is equipped at the top of tower body, discharge pipe will meet discharge standard flue gas row by air-exhausting duct after desulfurization, dedusting
It puts.
Middle part is equipped with three layers of spray equipment in tower body, three layers of spray equipment top is provided with the double-deck demister, three
Layer spray equipment lower part is provided with wind-force energy-collecting cyclonic chamber.
Circulating pump suction side is connected with pH conditioning tank, and circulation pump output terminal is connected with a plurality of liquid distributor, on a plurality of liquid distributor
Equipped with solenoid valve.
The spray tube of three layers of spray equipment covers 360 degree without dead angle, unreacted completely emulsifies alkali in cross-bedding time distribution
Liquid (lye) enters pH conditioning tank by control valve and delivery pipe, is utilized into pH conditioning tank by circulating pump.Wind-force energy-collecting gas
Rotation is indoor, flue gas and the rotary-cut of fogged lye high speed, vigorous reaction.
Reaction equation are as follows:
Na2CO3+SO2 ←→Na2SO3+CO2 (1)
2NaOH+SO2 ←→Na2SO3+H2O (2)
Na2SO3+SO2+H2O←→ 2NaHSO3 (3)
The spray equipment includes nozzle, shower plate；Shower plate is mounted below nozzle in tower body, sets two pieces of sprays altogether
Plate is provided with spray apertures on shower plate.Nozzle is connected by the liquid distributor that pipeline and solenoid valve are connected with circulation pump output terminal.
The demister is provided with water pipe, except atomizing nozzle, demisting plate.Demisting plate is mounted on except tower body below atomizing nozzle
It is interior.Demisting plate uses double-layer grating plate.Except atomizing nozzle passes through pipeline and demisting water management solenoid valve and flush water pump output end phase
Even.Flush water pump suction side is connected by pipeline with pond.
It is 8-10 that pH conditioning tank, which adjusts pH value,.Addition soda ash (sodium carbonate), caustic soda (sodium hydroxide), water are logical in pH conditioning tank
It crosses electric mixer pH stirring and emulsified alkali is made.
High-efficiency multi-stage wet type emulsifies desulphurization system since setting high-efficiency multi-stage wet type emulsifies desulfurizing tower, high-efficiency multi-stage wet type cream
Change desulfurizing tower and be equipped with demister, spray equipment, chilling spray pipe, so that the utility model high-efficiency multi-stage wet type emulsification desulfurizing tower is not
Only manufacturing cost reduces, and since cooling sprayer to a certain extent reduces flue-gas temperature, effectively reduces tower body
The perishable disadvantage of interior device, reduces operation expense, improves desulfuration efficiency；Meanwhile three layers of three layers of spray equipment
Spray tube and wind-force energy-collecting cyclonic chamber ensure that flue gas desulfurization is complete, and the double-deck demister is arranged in air outlet, guarantee discharge flue gas without
Sulphur, smoke dust discharge.
Detailed description of the invention
Fig. 1 is high-efficiency multi-stage wet type emulsification desulphurization system schematic diagram.
Fig. 2 is the utility model high-efficiency multi-stage wet type emulsification Structure of Flue Gas Desulfuration Absorbing schematic diagram.
In figure: 1, tower body, 2, gas outlet, 3, demister, 4, spray equipment, 5, cooling sprayer, 6, blower, 7, air inlet
Mouthful, 8, wind-force energy-collecting cyclonic chamber, 9, circulating pump, 10, pH conditioning tank, 11, pond, 12, liquid collecting room, 13, flush water pump, 14, remove
Fog control solenoid valve, 15, chilling spray hydraulic control solenoid valve, 16, spray emulsification soda ash hydraulic control solenoid valve, 17, control valve,
18, flowmeter, 19, circulating pump liquid inlet control valve, 20, electric mixer, 21, inspection manhole, 3-1,22, temperature sensor are removed
Atomizing nozzle, 3-2, demisting plate, 4-1, nozzle, 4-2, shower plate.
Specific embodiment
The utility model is further described with reference to the accompanying drawing.
Referring to attached drawing 1, high-efficiency multi-stage wet type emulsify desulphurization system include multistage wet type emulsification desulfurizing tower, pH conditioning tank 10,
Circulating pump 9, pond 11 and flush water pump 13.
Multistage wet type emulsification desulfurizing tower include tower body 8, demister 3, spray equipment 4, cooling sprayer 5, blast pipe 7,
Discharge pipe 2.
Tower body 8 is manufactured by steel plate, and 8 lower part of tower body is equipped with liquid collecting room 12, and liquid collecting room 12 passes through pipeline and control valve and pH tune
It saves pond 10 to be connected, middle part is equipped with three layers of spray equipment 4 and the double-deck demister 3, and spray equipment 4 passes through circulating pump 9 and pH conditioning tank
10 are connected, and demister 3 is connected by flush water pump 13 with pond 11, and top is equipped with gas outlet 2, and air inlet 7 is connected with blower 6
It connects, and is equipped with cooling sprayer 5 in air inlet.Cooling sprayer 5 is equipped with chilling spray head, and chilling spray head passes through pipeline
The liquid distributor being connected with chilling spray hydraulic control solenoid valve 15 with circulation pump output terminal is connected.
The tower body 8 uses tubbiness tower body.
Two-stage demister 3 is set in tower body 8, and the demister 3 is arranged water pipe, removes atomizing nozzle 3-1, demisting plate 3-2.It removes
Mist plate 3-2 is mounted on except in the tower body of the lower section atomizing nozzle 3-1.Demisting plate 3-2 uses double-layer grating plate.Except atomizing nozzle 3-1 passes through pipe
Road and demisting water management solenoid valve 14 are connected with 13 output end of flush water pump.13 suction side of flush water pump passes through pipeline and pond 11
It is connected.
The spray equipment 4 includes nozzle 4-1, shower plate 4-2；Shower plate 4-2 is mounted below nozzle 4-1, is set altogether
Spray apertures are provided on two pieces of shower plate 4-2, shower plate 4-2.Nozzle 4-1 controls solenoid valve by pipeline and spray emulsified alkali
16 liquid distributors being connected with 9 output end of circulating pump are connected.Nozzle 4-1 material is silicon carbide SiC hollow cone, and spray area coverage is wanted
Ensure to reach 150%-180%.
9 suction side of circulating pump is connected by pipeline with pH conditioning tank 10, and circulation pump output terminal is connected with a plurality of liquid distributor, more
Solenoid valve is housed on liquid distributor.Circulating pump liquid inlet control valve 19 and flowmeter 18 are housed on 9 suction side pipeline of circulating pump, it can be with
9 sucking emulsified alkali amount of control loop pump.
The shower plate 4-2 material is corrosion-resistant stainless steel 2205, and upper and lower surface and inner surface must be smooth.With being arranged
Meter backwash facility, can be used timing and rinses, pressure difference alarm.Water content of the 100% operating condition flue gas desulfurization after demister must not surpass
75mg/Nm3 is crossed, the pressure loss is not more than 200Pa.
Multistage wet type emulsification desulfurizing tower is distributed three layers of spray equipment 4, every layer of 12 entrance, and flange spool is corrosion-resistant stainless
Steel 2205, flange use 2205 column plate flange of corrosion-resistant stainless steel.Tower body inside bore junction weld seam will seamlessly transit, tower body
It is inside provided with glass flake erosion resistant coating, and erosion resistant coating is more than commissure, whole anti-corrosions in pipe nipple.It is set above top layer's demister
An inspection manhole 21 is set, an inspection manhole 21 is set between upper layer and lower layer's demister, convenient for overhaul of the equipments in tower body, clear
It sweeps.One inspection manhole 21 is set above each 2205 column plate, and vanning has temperature sensor 22 on tower body, and temperature sensor 22 is logical
It crosses signal wire to be connected with PLC programmable controller, tower body increases temperature measuring point, it can be achieved that PLC shows and shows on the spot, is not involved in control
System ensures that desulfurization tower body is run under the running temperature of safety, is provided with sealing cover outside the inspection manhole 21.
High-efficiency multi-stage wet type emulsification desulphurization system is configured with electric control cabinet, and electric control cabinet is equipped with PLC programmable control
Device processed, display screen, A.C. contactor, electric switch control blower, circulating pump, flush water pump, electric mixer, each electromagnetism
Valve etc. works by operating process.
When work, three layers of spray tube 4 of multistage wet type emulsification spraying device of desulfurizing tower spray atomizing emulsified soda ash liquid, flue gas
By blower 6 extract reach air inlet 7, and by chilling spray pipe cool down carry out first step desulphurization reaction after after enter tower body with
Emulsified alkali reaction；Since flue gas flow rate is big, tower body is air-tightness, and flue gas is in wind-force energy-collecting cyclonic chamber 8 and emulsified alkali high speed
Rotary-cut further decreases emulsified alkali drop, increases reaction contact area, improves the utilization of desulfuration efficiency and lye
Rate；The double-deck demister 3 is reached after the abundant desulfurization of flue gas.The complete emulsified alkali of unreacted sinks to liquid collecting room 12 in the process, passes through
Control valve 17 and delivery pipe introduce pH conditioning tank 10, recycle the higher soda ash sodium ion of price, improve the same of desulfuration efficiency
When effectively reduce cost.Desulfurizing agent is emulsified alkali.It is 8-10 that pH conditioning tank, which adjusts pH value,.Soda ash is added in pH conditioning tank
Emulsified alkali is made by the stirring of electric mixer 20 in (sodium carbonate), caustic soda (sodium hydroxide), water.
Claims (10)
1. a kind of high-efficiency multi-stage wet type emulsifies desulphurization system, which is characterized in that adjusted including multistage wet type emulsification desulfurizing tower, pH
Pond, circulating pump, pond and flush water pump；
Multistage wet type emulsification desulfurizing tower includes tower body, demister, spray equipment, cooling sprayer, blast pipe and discharge pipe；Tower
Body lower part is equipped with blast pipe, and blast pipe outer end is connected with blower, and air inlet is connected with industrial furnace, kiln discharge flue,
It is equipped with cooling sprayer in air inlet, cooling sprayer is equipped with chilling spray head, and chilling spray head passes through pipeline and electromagnetism
The liquid distributor that valve is connected with circulation pump output terminal is connected；
Discharge pipe is equipped at the top of tower body, discharge pipe will meet discharge standard flue gas emission by air-exhausting duct after desulfurization, dedusting；
Middle part is equipped with three layers of spray equipment in tower body, and three layers of spray equipment top are provided with the double-deck demister, sprays at three layers
Shower device lower part is provided with wind-force energy-collecting cyclonic chamber；
The demister is provided with water pipe, except atomizing nozzle and demisting plate, and demisting plate is mounted on except in tower body, removing below atomizing nozzle
Atomizing nozzle is connected by pipeline and demisting water management solenoid valve with flush water pump output end, flush water pump suction side pass through pipeline and
Pond is connected；
The spray equipment includes nozzle and shower plate；Shower plate is mounted below nozzle, and nozzle passes through pipeline and solenoid valve
The liquid distributor being connected with circulation pump output terminal is connected；
Circulating pump suction side is connected by pipeline with pH conditioning tank, and circulation pump output terminal is connected with a plurality of liquid distributor, a plurality of cloth liquid
Solenoid valve is housed on pipe.
2. high-efficiency multi-stage wet type according to claim 1 emulsifies desulphurization system, which is characterized in that the spray of three layers of spray equipment
Shower pipe covers 360 degree without dead angle, the complete emulsified alkali of unreacted is entered by control valve and delivery pipe in cross-bedding time distribution
PH conditioning tank is utilized into pH conditioning tank by circulating pump.
3. high-efficiency multi-stage wet type according to claim 1 emulsifies desulphurization system, which is characterized in that circulating pump suction side pipeline
It is upper that control valve and flowmeter, control loop pump sucking emulsified alkali amount are housed.
4. high-efficiency multi-stage wet type according to claim 1 emulsifies desulphurization system, which is characterized in that the spray equipment
Shower plate sets two pieces of shower plates altogether, is provided with spray apertures on shower plate.
5. high-efficiency multi-stage wet type according to claim 1 emulsifies desulphurization system, which is characterized in that the demisting plate uses
Double-layer grating plate.
6. high-efficiency multi-stage wet type according to claim 1 emulsifies desulphurization system, which is characterized in that tower body lower part is equipped with liquid collecting
Room, liquid collecting room are connected by pipeline and control valve with pH conditioning tank.
7. high-efficiency multi-stage wet type according to claim 1 emulsifies desulphurization system, which is characterized in that pH conditioning tank adjusts pH value
For 8-10, soda ash, caustic soda, water are added in pH conditioning tank, emulsified alkali is made by electric mixer pH stirring.
8. high-efficiency multi-stage wet type according to claim 1 emulsifies desulphurization system, which is characterized in that be provided with glass in tower body
Scale anticorrosion layer, and erosion resistant coating is more than commissure, whole anti-corrosions in pipe nipple.
9. high-efficiency multi-stage wet type according to claim 1 emulsifies desulphurization system, which is characterized in that on top layer's demister
One inspection manhole of side's setting, is arranged an inspection manhole between upper layer and lower layer's demister.
10. high-efficiency multi-stage wet type according to claim 1 emulsifies desulphurization system, which is characterized in that temperature is housed on tower body
Sensor, temperature sensor are connected by signal wire with PLC programmable controller.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201822227686.4U CN209714721U (en) | 2018-12-28 | 2018-12-28 | High-efficiency multi-stage wet type emulsifies desulphurization system |
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| CN201822227686.4U CN209714721U (en) | 2018-12-28 | 2018-12-28 | High-efficiency multi-stage wet type emulsifies desulphurization system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109569247A (en) * | 2018-12-28 | 2019-04-05 | 江苏乾宏能源科技有限公司 | High-efficiency multi-stage wet type emulsifies desulphurization system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109569247A (en) * | 2018-12-28 | 2019-04-05 | 江苏乾宏能源科技有限公司 | High-efficiency multi-stage wet type emulsifies desulphurization system |
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