CN204513432U - A kind of incinerator smoke denitration in the stove wet desulphurization device - Google Patents
A kind of incinerator smoke denitration in the stove wet desulphurization device Download PDFInfo
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- CN204513432U CN204513432U CN201520208139.5U CN201520208139U CN204513432U CN 204513432 U CN204513432 U CN 204513432U CN 201520208139 U CN201520208139 U CN 201520208139U CN 204513432 U CN204513432 U CN 204513432U
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- desulfurizing tower
- flue gas
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Abstract
A kind of incinerator smoke denitration in the stove wet desulphurization device, comprise incinerator, flue gas Online Monitoring Control device, sack cleaner, blower fan, desulfurizing tower, dehumidifying purifying column, chimney, it is characterized in that: described incinerator is linked in sequence flue gas Online Monitoring Control device, sack cleaner, blower fan, desulfurizing tower, dehumidifying purifying column, chimney, described flue gas Online Monitoring Control device connects PLC control cabinet, PLC control cabinet connects frequency conversion rotary feeder, connect electron helical above frequency conversion rotary feeder to claim, electron helical claims to connect discharger, discharger connects urea granules feed bin, be connected with jet mixer top below frequency conversion rotary feeder, jet mixer side is by inlet channel and entering water electromagnetic valve, water inlet connects, jet mixer bottom connects dissolves case.The utility model can remove the SO in the flue gas of domestic waste incineration generation
2the noxious pollutant such as gas, nitrogen oxide, makes flue gas qualified discharge, avoids environment.
Description
Technical field
The utility model relates to a kind of incinerator smoke denitration in the stove wet desulphurization device, specifically for the flue gas that purifying consumer waste incinerator produces, belongs to environmental technology field.
Background technology
In prior art, the flue gas of house refuse after fully burning between produce 850 DEG C ~ 1100 DEG C, denitrating technique mainly with ammoniacal liquor (or urea liquid) for reducing agent, adopt Manual material feeding, plant automation degree is not high; Then carry out removing SO
2gas, then the filtration carrying out dust granules, wherein SO
2the removal methods of gas adopts semidry process, and said method exists shortcomings:
1, denitrating technique mainly with ammoniacal liquor (or urea liquid) for reducing agent, this medicament device for formulating, after adopting cold water to be heated to design temperature by heater, Manual material feeding, dissolve, plant automation degree is not high, can not meet the continuous to-be to medicament when large exhaust gas volumn removes nitrogen oxide, cause the waste of manpower and materials; Do not arrange flue gas Online Monitoring Control device, pharmaceutical quantities adds at random, cannot monitor in real time, the denitration effect that can not have guaranteed, waste is serious, and operating cost is high;
2, semi-dry desulphurization sprays in reactor by nozzle or rotary sprayer by lime white, forms the drop that particle diameter is less, make SO
2gas and lime white react and generate salt, and its shortcoming is that the preparation of lime white is complicated, and desulfuration efficiency is low, and cost of investment is high, and operating cost is also high.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned weak point, thus a kind of incinerator smoke denitration in the stove wet desulphurization device is provided, the aqueous solution of urea of preparation sprays in burner hearth as medicament by this device, in 850 DEG C ~ 1100 DEG C temperature ranges, the nitrogen oxide of medicament preferentially and in flue gas carries out chemical reduction reaction, and in burner hearth, NOx is reduced to N
2and water, thus reach the object reducing discharged nitrous oxides concentration, its automaticity is high, can meet the continuous to-be to medicament when large exhaust gas volumn removes nitrogen oxide, use manpower and material resources sparingly; Flue gas Online Monitoring Control device detects the NOx content in flue gas, and feed back to PLC control system, frequency conversion rotary feeder, entering water electromagnetic valve is controlled after PLC control system calculates, regulate the dosage of urea, water, ensure the concentration of preparating liquid, the denitration effect guaranteed, avoids waste, reduces operating cost; Adopt spray wet desulfurizing process, non-blind area, desulfuration efficiency is high, and investment operating cost is low, and reliability is high, and energy consumption is low, safeguards easily, the advantages such as floor space is little, system long service life, SO
2concentration of emission 70mg/Nm
3, the concentration of emission 200mg/Nm of NOx
3, the concentration of emission 40mg/Nm of HCL
3, dust emission concentration 15mg/Nm
3, be better than GB18485-2014 standard " consumer waste incineration Environmental capacity standard " (SO
2< 80mg/Nm
3, the concentration of emission < 250mg/Nm of NOx
3, HCL < 50mg/Nm
3, dust emission concentration < 20mg/Nm
3), make flue gas qualified discharge, avoid environment.
The technical solution of the utility model is: a kind of incinerator smoke denitration in the stove wet desulphurization device, comprise incinerator, flue gas Online Monitoring Control device, sack cleaner, blower fan, desulfurizing tower, dehumidifying purifying column, chimney, it is characterized in that: described incinerator is linked in sequence flue gas Online Monitoring Control device, sack cleaner, blower fan, desulfurizing tower, dehumidifying purifying column, chimney, described flue gas Online Monitoring Control device connects PLC control cabinet, PLC control cabinet connects frequency conversion rotary feeder, connect electron helical above frequency conversion rotary feeder to claim, electron helical claims to connect discharger, discharger connects urea granules feed bin, be connected with jet mixer top below frequency conversion rotary feeder, jet mixer side is by inlet channel and entering water electromagnetic valve, water inlet connects, jet mixer bottom connects dissolves case, dissolve side, box top and be provided with flow of inlet water instrument, flow of inlet water instrument is by inlet channel and entering water electromagnetic valve, water inlet connects, dissolve case inside and be provided with mixer, the motor of mixer is arranged on and dissolves box top, dissolve case inside and be provided with high liquid level gauge, low liquid level gauge and extremely low liquid level gauge, PLC control cabinet by control cables respectively with entering water electromagnetic valve, flow of inlet water instrument, high liquid level gauge, low liquid level gauge, extremely low liquid level gauge, water pump, urea liquid delivery pump connects, dissolve case and connect urea liquid delivery pump by urea liquid conveyance conduit, urea liquid delivery pump connects urea liquid entrance by urea liquid conveyance conduit, atomizer is provided with in the urea liquid conveyance conduit of urea liquid delivery pump and urea liquid entrance, atomizer connects water pump by pipeline, water pump connects water tank by pipeline, urea liquid entrance is positioned at above the sidewall of incinerator burner hearth, connecting bypass pipeline between described fan outlet and electronic air inlet valve import, by-pass line is connected with chimney import, by-pass line is provided with by-passing valve, described electronic air inlet valve outlet is connected with desulfurizing tower air intake, desulfurizing tower air intake lower sides is provided with PH detection control instrument, PH detection control instrument is connected with desulfur pump by control cables, desulfurizing tower air intake bottom connects aeration displacement reaction pond by pipeline, aeration displacement reaction pond connects sedimentation basin, side, aeration displacement reaction pond is provided with roots blower, opposite side is provided with calcium hydroxide feed bin, calcium hydroxide feed bin connects discharger, discharger connects electron helical and claims, electron helical claims to connect frequency conversion rotary feeder, frequency conversion rotary feeder connects aeration displacement reaction pond, aeration displacement reaction pond pool side is provided with aeration displacement reaction pond PH detection control instrument, aeration displacement reaction pond PH detection control instrument is connected with frequency conversion rotary feeder by control cables, sedimentation basin connects regulating reservoir, sedimentation basin bottom is provided with the outer discharge pipe of waste liquid, regulating reservoir opposite side is provided with NaOH storage tank, regulating reservoir pool side is provided with regulating reservoir PH detection control instrument, regulating reservoir PH detection control instrument is connected with electric charging valve by control cables, desulfurizing tower air intake top is provided with nozzle, nozzle top is provided with demister, demister top is provided with exhanst gas outlet, exhanst gas outlet connects dehumidifying purifying column, damp proof air cleaner is provided with in dehumidifying purifying column, the outer discharge pipe of dehumidifying purifying column waste liquid is provided with bottom dehumidifying purifying column, nozzle is connected with the hose adapter of desulfurizing tower outer wall through desulfurizing tower inwall, hose adapter is connected with shower, shower is fixed on desulfurizing tower outer wall by support, shower is connected with feed tube, feed tube is connected with desulfur pump, desulfur pump connects regulating reservoir.
The beneficial effects of the utility model are: the aqueous solution of urea of preparation sprays in burner hearth as medicament by this device, and in 850 DEG C ~ 1100 DEG C temperature ranges, the nitrogen oxide of medicament preferentially and in flue gas carries out chemical reduction reaction, and in burner hearth, NOx is reduced to N
2and water, thus reach the object reducing discharged nitrous oxides concentration, its automaticity is high, can meet the continuous to-be to medicament when large exhaust gas volumn removes nitrogen oxide, use manpower and material resources sparingly; Flue gas Online Monitoring Control device detects the NOx content in flue gas, and feed back to PLC control system, frequency conversion rotary feeder, entering water electromagnetic valve is controlled after PLC control system calculates, regulate the dosage of urea, water, ensure the concentration of preparating liquid, the denitration effect guaranteed, avoids waste, reduces operating cost; Adopt spray wet desulfurizing process, non-blind area, desulfuration efficiency is high, and investment operating cost is low, and reliability is high, and energy consumption is low, safeguards easily, the advantages such as floor space is little, system long service life, SO
2concentration of emission 70mg/Nm
3, the concentration of emission 200mg/Nm of NOx
3, the concentration of emission 40mg/Nm of HCL
3, dust emission concentration 15mg/Nm
3, be better than GB18485-2014 standard " consumer waste incineration Environmental capacity standard " (SO
2< 80mg/Nm
3, the concentration of emission < 250mg/Nm of NOx
3, HCL < 50mg/Nm
3, dust emission concentration < 20mg/Nm
3), make flue gas qualified discharge, avoid environment.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is A-A cutaway view Amplified image in Fig. 1.
Fig. 3 is B-B cutaway view Amplified image in Fig. 1.
Fig. 4 is C magnified partial view in Fig. 1.
Fig. 1, Fig. 2, Fig. 3, in Fig. 4, 1. incinerator, 2. sack cleaner, 3. blower fan, 4. electronic air inlet valve, 5. desulfurizing tower air intake, 6. desulfurizing tower, 7. demister, 8. exhanst gas outlet, 9. shower, 10. support, 11. hose adapters, 12. nozzles, 13. feed tubes, 14.PH detection control instrument, 15. desulfur pumps, 16. damp proof air cleaners, 17. dehumidifying purifying columns, the outer discharge pipe of 18. dehumidifying purifying column waste liquid, 19. calcium hydroxide feed bins, 20. dischargers, 21. electron helicals claim, 22. frequency conversion rotary feeders, 23. aeration displacement reaction ponds, 24. aeration displacement reaction pond PH detection control instrument, 25. roots blowers, 26. sedimentation basins, the outer discharge pipe of 27. waste liquids, 28. electric charging valves, 29. NaOH storage tanks, 30. regulating reservoir PH detection control instrument, 31. regulating reservoirs, 32. by-pass lines, 33. by-passing valves, 34. chimneys, 35. urea granules feed bins, 36. dischargers, 37. electron helicals claim, 38. frequency conversion rotary feeders, 39. water inlets, 40. entering water electromagnetic valves, 41. flow of inlet water instrument, 42. mixers, 43. jet mixers, 44. dissolve case, 45. high liquid level gauges, 46. low liquid level gauges, 47. extremely low liquid level gauges, 48. urea liquid delivery pumps, 49. water tanks, 50. water pumps, 51. urea liquid conveyance conduits, 52. atomizers, 53. urea liquid entrances, 54. flue gas Online Monitoring Control devices, 55.PLC control cabinet.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is further described.
As Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4, the utility model is a kind of incinerator smoke denitration in the stove wet desulphurization device, comprise incinerator 1, flue gas Online Monitoring Control device 54, sack cleaner 2, blower fan 3, desulfurizing tower 6, dehumidifying purifying column 17, chimney 34, it is characterized in that: described incinerator 1 is linked in sequence flue gas Online Monitoring Control device 54, sack cleaner 2, blower fan 3, desulfurizing tower 6, dehumidifying purifying column 17, chimney 34, described flue gas Online Monitoring Control device 54 connects PLC control cabinet 55, PLC control cabinet 55 connects frequency conversion rotary feeder 38, connect electron helical above frequency conversion rotary feeder 38 and claim 37, electron helical claims 37 connection dischargers 36, discharger 36 connects urea granules feed bin 35, be connected with jet mixer 43 top below frequency conversion rotary feeder 38, jet mixer 43 1 sides are by inlet channel and entering water electromagnetic valve 40, water inlet 39 connects, jet mixer 43 bottom connects dissolves case 44, dissolve side, case 44 top and be provided with flow of inlet water instrument 41, flow of inlet water instrument 41 is by inlet channel and entering water electromagnetic valve 40, water inlet 39 connects, dissolve case 44 inside and be provided with mixer 42, the motor of mixer 42 is arranged on and dissolves case 44 top, dissolve case 44 inside and be provided with high liquid level gauge 45, low liquid level gauge 46 and extremely low liquid level gauge 47, PLC control cabinet 55 by control cables respectively with entering water electromagnetic valve 40, flow of inlet water instrument 41, high liquid level gauge 45, low liquid level gauge 46, extremely low liquid level gauge 47, water pump 50, urea liquid delivery pump 48 connects, dissolve case 44 and connect urea liquid delivery pump 48 by urea liquid conveyance conduit 51, urea liquid delivery pump 48 connects urea liquid entrance 53 by urea liquid conveyance conduit 51, atomizer 52 is provided with in urea liquid delivery pump 48 with the urea liquid conveyance conduit 51 of urea liquid entrance 53, atomizer 52 connects water pump 50 by pipeline, water pump 50 connects water tank 49 by pipeline, urea liquid entrance 53 is positioned at above the sidewall of incinerator 1 burner hearth, described blower fan 3 exports connecting bypass pipeline 32 between electronic air inlet valve 4 import, by-pass line 32 is connected with chimney 34 import, by-pass line 32 is provided with by-passing valve 33, described electronic air inlet valve 4 outlet is connected with desulfurizing tower air intake 5, desulfurizing tower air intake 5 lower sides is provided with PH detection control instrument 14, PH detection control instrument 14 is connected with desulfur pump 15 by control cables, desulfurizing tower air intake 5 bottom connects aeration displacement reaction pond 23 by pipeline, aeration displacement reaction pond 23 connects sedimentation basin 26, side, aeration displacement reaction pond 23 is provided with roots blower 25, opposite side is provided with calcium hydroxide feed bin 19, calcium hydroxide feed bin 19 connects discharger 20, discharger 20 connects electron helical and claims 21, electron helical claims 21 connection frequency conversion rotary feeders 22, frequency conversion rotary feeder 22 connects aeration displacement reaction pond 23, aeration displacement reaction pond 23 pool side is provided with aeration displacement reaction pond PH detection control instrument 24, aeration displacement reaction pond PH detection control instrument 24 is connected with frequency conversion rotary feeder 22 by control cables, sedimentation basin 26 connects regulating reservoir 31, sedimentation basin 26 bottom is provided with the outer discharge pipe 27 of waste liquid, regulating reservoir 31 opposite side is provided with NaOH storage tank 29, regulating reservoir 31 pool side is provided with regulating reservoir PH detection control instrument 30, regulating reservoir PH detection control instrument 30 is connected with electric charging valve 28 by control cables, desulfurizing tower air intake 5 top is provided with nozzle 12, nozzle 12 top is provided with demister 7, demister 7 top is provided with exhanst gas outlet 8, exhanst gas outlet 8 connects dehumidifying purifying column 17, damp proof air cleaner 16 is provided with in dehumidifying purifying column 17, the outer discharge pipe 18 of dehumidifying purifying column waste liquid is provided with bottom dehumidifying purifying column 17, nozzle 12 is connected with the hose adapter 11 of desulfurizing tower 6 outer wall through desulfurizing tower 6 inwall, hose adapter 11 is connected with shower 9, shower 9 is fixed on desulfurizing tower 6 outer wall by support 10, shower 9 is connected with feed tube 13, feed tube 13 is connected with desulfur pump 15, desulfur pump 15 connects regulating reservoir 31.
The course of work of the present utility model: 500t/d domestic waste incineration 1, exhaust gas volumn 14 ~ 15 × 10
4m
3/ h, the temperature in incinerator 1 burner hearth is 850 DEG C ~ 1100 DEG C, SO
2concentration 600 ~ 800mg/Nm
3, the concentration 800 ~ 1200mg/Nm of HCL
3, the concentration 600 ~ 700mg/Nm of NOx
3, dust concentration 20 ~ 30g/Nm
3, the oxygen content 8% ~ 12% of flue gas, the water capacity 15% ~ 25% of flue gas;
Claim 37 by urea granules feed bin 35, discharger 36, electron helical, urea granules conveying device that frequency conversion rotary feeder 38 etc. forms; The exhaust gas volumn of flue gas Online Monitoring Control device 54 pairs of incinerators 1 and the amount of generation NOx detect, and feed back to PLC control system, PLC control system calculates the consumption of urea, claim after 37 Weighings through electron helical, by frequency conversion rotary feeder 38, according to operating mode, adjust conveying capacity by the mode changing rotating speed, after urea granules exports from frequency conversion rotary feeder 38, through jet mixer 43 mixing in dissolving case 44; During operation, the current of the nozzle ejection on jet mixer 43 top define the moisture film of one deck rotation, and urea granules is fallen moisture film from upper end, and along with moisture film rotation whereabouts, urea granules is wetted in the process;
Three liquid level gauges are had in dissolving case 44, be respectively high liquid level gauge 45, low liquid level gauge 46 and extremely low liquid level gauge 47, normal operating conditions is between high and low liquid level, automatically entering water electromagnetic valve 40 is opened to system during low liquid level, open frequency conversion rotary feeder 38 and mixer 42 simultaneously, the running time of frequency conversion rotary feeder 38, entering water electromagnetic valve 40 is controlled according to preparation concentration automatically by PLC program, and this method of operation can well ensure the concentration of preparating liquid;
Preparation concentration requires to set according to user by the touch screen controller on PLC control cabinet 55 panel, thus molten medicine process is carried out online, and ensure that the precision of solution concentration;
When there are abnormal conditions, system is by automatically out of service and send alarm signal.When extremely low liquid level action, system is by automatic alarm, and this design is to protect urea liquid delivery pump 48 when cutting off the water supply, and prevents urea liquid delivery pump 48 dry tap;
The flow of inlet water instrument 41 configured in water inlet system, the signal of real-time output flow of inlet water, PLC adjusts urea granules amount at any time according to the change of flow of inlet water, the concentration of urea liquid prepared by the system of guarantee is 35% ~ 40%, system is being cut off the water supply or the situation down coversion rotary feeder 38 of low discharge will be automatically out of service in addition, avoid wasting urea granules, reduce operating cost and be convenient to automatic management;
Be mixed with concentration be 35% ~ 40% urea liquid enter urea liquid conveyance conduit 51 by urea liquid delivery pump 48, atomized water is sprayed into by atomizer 52 in urea liquid conveyance conduit 51, the concentration dilution of urea liquid is made to be 3% ~ 5%, urea liquid after atomization is sent into urea liquid entrance 53 and is evenly entered in incinerator 1 burner hearth, in incinerator 1 burner hearth, the nitrogen oxide generation chemical reaction in urea and flue gas:
2CO(NH
2)
2+4NO+O
2＝4N
2+4H
2O+2CO
2
4CO(NH
2)
2+4NO
2＝6N
2+8H
2O+2CO
2
In burner hearth, NOx is reduced to N
2and water;
The flue gas of domestic waste incineration 1 is after denitration process, sack cleaner 2 is entered by the suction function of blower fan 3, incinerator 1 ash-laden gas is played to the effect of dedusting, efficiency of dust collection is high, prevent dust from entering desulfurizing tower 6 and produce blocking, coal-burning boiler 1 flue gas through sack cleaner 2 enters desulfurizing tower 6, flue gas from bottom to top, when the nozzle 12 by being laid in the middle part of desulfurizing tower 6, due to gas-liquid counter current, the doctor solution that nozzle 12 is sprayed is fluidized state, gas-liquid is fully contacted, flue gas is after nozzle 12 sprays, water smoke is removed by high efficiency demister 7, in demister 7 exiting flue gas, the concentration of droplet is less than 75mg/m
3, prevent water droplet from corroding chimney 34, then in dehumidifying purifying column 17 damp proof air cleaner 16, collect the fine solid particle in gas, purify air, remove water droplet further, be finally discharged in air by chimney 34,
Adopt NaOH as desulfurization absorbent, desulfurizing agent is squeezed into desulfurizing tower 6 through desulfur pump 15 and fully contacts with flue gas, make the sulfur dioxide in flue gas and desulfurizing agent NaOH carry out reaction and generate Na
2sO
3, from the Na that desulfurizing tower 6 is discharged
2sO
3solution, through aerating oxidation, generates Na
2sO
4, by adding the regeneration of calcium hydroxide to absorbing liquid and the precipitation of solid by-product, through aeration and sodium, the mixed liquor of calcium displacement flows into sedimentation basin 26, supernatant after precipitation Ash Water Separator, send into regulating reservoir 31, in regulating reservoir 31, when pH value is reduced to a certain degree, after measuring the pH value in regulating reservoir 31 by regulating reservoir PH detection control instrument 30, controlling electric charging valve 28 adds in regulating reservoir 31 by constantly supplementary for the NaOH in NaOH storage tank 29, in desulfurizing tower 6, when pH value is reduced to a certain degree, after measuring the pH value in desulfurizing tower 6 by PH detection control instrument 14, in desulfurizing tower 6, desulfurizing agent is added by controlling desulfur pump 15, circulation like this, heavy ash in sedimentation basin 26 is regularly removed, pick up outward transport,
By the conveying device that calcium hydroxide feed bin 19, discharger 20, electron helical claim 21, frequency conversion rotary feeder 22 forms calcium hydroxide, in aeration displacement reaction pond 23, when pH value is reduced to a certain degree, after measuring the pH value in aeration displacement reaction pond 23 by aeration displacement reaction pond PH detection control instrument 24, claim after 21 Weighings through electron helical, by frequency conversion rotary feeder 22, according to the pH value in aeration displacement reaction pond 23, adjust the conveying capacity of calcium hydroxide by the mode changing rotating speed, calcium hydroxide is sent in aeration displacement reaction pond 23;
Desulfurization chemical reaction formula:
SO is absorbed in absorption tower
2:
2NaOH+SO
2→Na
2SO
3+H
2O
Na
2SO
3+SO
2+H
2O→2NaHSO
3
SO will be absorbed
2absorbing liquid deliver to aeration displacement reaction pond 23, carry out the precipitation of the oxidation of sulfurous sulphur root, the regeneration of absorbing liquid and solid by-product;
Blast air by roots blower 25, in aeration displacement reaction pond 23, oxidation reaction occurs;
Oxidation reaction: Na
2sO
3+ 0.5O
2→ Na
2sO
4
By adding the regeneration of calcium hydroxide to absorbing liquid and the precipitation of solid by-product.
Displacement reaction: Ca (OH)
2+ Na
2sO
4+ 2H
2o → NaOH+CaSO
42H
2o
Ca(OH)
2+Na
2SO
3→2NaOH+CaSO
3
Ca(OH)
2+2NaHSO
3→Na
2SO
3+CaSO
3·0.5H
2O+0.5H
2O
NaOH and Na of regeneration
2sO
3can recycle Deng desulfurizing agent;
As can be seen here, NaOH consumes fewer here, and after the circulation of Systemic absorption liquid, in fact main consumption is calcium hydroxide, and therefore operating cost is lower;
When desulfurizing tower 6 can not normally run, open by-passing valve 33, close electronic air inlet valve 4, make the flue gas through bag-type dust, enter chimney 34 by by-pass line 33 again through blower fan 3 and discharge.
As can be seen here, the aqueous solution of urea of preparation sprays in burner hearth as medicament by the utility model device, and in 850 DEG C ~ 1100 DEG C temperature ranges, the nitrogen oxide of medicament preferentially and in flue gas carries out chemical reduction reaction, and in burner hearth, NOx is reduced to N
2and water, thus reach the object reducing discharged nitrous oxides concentration, its automaticity is high, can meet the continuous to-be to medicament when large exhaust gas volumn removes nitrogen oxide, use manpower and material resources sparingly; Flue gas Online Monitoring Control device detects the NOx content in flue gas, and feed back to PLC control system, frequency conversion rotary feeder, entering water electromagnetic valve is controlled after PLC control system calculates, regulate the dosage of urea, water, ensure the concentration of preparating liquid, the denitration effect guaranteed, avoids waste, reduces operating cost; Adopt spray wet desulfurizing process, non-blind area, desulfuration efficiency is high, and investment operating cost is low, and reliability is high, and energy consumption is low, safeguards easily, the advantages such as floor space is little, system long service life, SO
2concentration of emission 70mg/Nm
3, the concentration of emission 200mg/Nm of NOx
3, the concentration of emission 40mg/Nm of HCL
3, dust emission concentration 15mg/Nm
3, be better than GB18485-2014 standard " consumer waste incineration Environmental capacity standard " (SO
2< 80mg/Nm
3, the concentration of emission < 250mg/Nm of NOx
3, HCL < 50mg/Nm
3, dust emission concentration < 20mg/Nm
3), make flue gas qualified discharge, avoid environment.
Claims (1)
1. an incinerator smoke denitration in the stove wet desulphurization device, comprise incinerator, flue gas Online Monitoring Control device, sack cleaner, blower fan, desulfurizing tower, dehumidifying purifying column, chimney, it is characterized in that: described incinerator is linked in sequence flue gas Online Monitoring Control device, sack cleaner, blower fan, desulfurizing tower, dehumidifying purifying column, chimney, described flue gas Online Monitoring Control device connects PLC control cabinet, PLC control cabinet connects frequency conversion rotary feeder, connect electron helical above frequency conversion rotary feeder to claim, electron helical claims to connect discharger, discharger connects urea granules feed bin, be connected with jet mixer top below frequency conversion rotary feeder, jet mixer side is by inlet channel and entering water electromagnetic valve, water inlet connects, jet mixer bottom connects dissolves case, dissolve side, box top and be provided with flow of inlet water instrument, flow of inlet water instrument is by inlet channel and entering water electromagnetic valve, water inlet connects, dissolve case inside and be provided with mixer, the motor of mixer is arranged on and dissolves box top, dissolve case inside and be provided with high liquid level gauge, low liquid level gauge and extremely low liquid level gauge, PLC control cabinet by control cables respectively with entering water electromagnetic valve, flow of inlet water instrument, high liquid level gauge, low liquid level gauge, extremely low liquid level gauge, water pump, urea liquid delivery pump connects, dissolve case and connect urea liquid delivery pump by urea liquid conveyance conduit, urea liquid delivery pump connects urea liquid entrance by urea liquid conveyance conduit, atomizer is provided with in the urea liquid conveyance conduit of urea liquid delivery pump and urea liquid entrance, atomizer connects water pump by pipeline, water pump connects water tank by pipeline, urea liquid entrance is positioned at above the sidewall of incinerator burner hearth, connecting bypass pipeline between described fan outlet and electronic air inlet valve import, by-pass line is connected with chimney import, by-pass line is provided with by-passing valve, described electronic air inlet valve outlet is connected with desulfurizing tower air intake, desulfurizing tower air intake lower sides is provided with PH detection control instrument, PH detection control instrument is connected with desulfur pump by control cables, desulfurizing tower air intake bottom connects aeration displacement reaction pond by pipeline, aeration displacement reaction pond connects sedimentation basin, side, aeration displacement reaction pond is provided with roots blower, opposite side is provided with calcium hydroxide feed bin, calcium hydroxide feed bin connects discharger, discharger connects electron helical and claims, electron helical claims to connect frequency conversion rotary feeder, frequency conversion rotary feeder connects aeration displacement reaction pond, aeration displacement reaction pond pool side is provided with aeration displacement reaction pond PH detection control instrument, aeration displacement reaction pond PH detection control instrument is connected with frequency conversion rotary feeder by control cables, sedimentation basin connects regulating reservoir, sedimentation basin bottom is provided with the outer discharge pipe of waste liquid, regulating reservoir opposite side is provided with NaOH storage tank, regulating reservoir pool side is provided with regulating reservoir PH detection control instrument, regulating reservoir PH detection control instrument is connected with electric charging valve by control cables, desulfurizing tower air intake top is provided with nozzle, nozzle top is provided with demister, demister top is provided with exhanst gas outlet, exhanst gas outlet connects dehumidifying purifying column, damp proof air cleaner is provided with in dehumidifying purifying column, the outer discharge pipe of dehumidifying purifying column waste liquid is provided with bottom dehumidifying purifying column, nozzle is connected with the hose adapter of desulfurizing tower outer wall through desulfurizing tower inwall, hose adapter is connected with shower, shower is fixed on desulfurizing tower outer wall by support, shower is connected with feed tube, feed tube is connected with desulfur pump, desulfur pump connects regulating reservoir.
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| CN201520208139.5U CN204513432U (en) | 2015-03-26 | 2015-03-26 | A kind of incinerator smoke denitration in the stove wet desulphurization device |
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|---|---|---|---|
| CN201520208139.5U CN204513432U (en) | 2015-03-26 | 2015-03-26 | A kind of incinerator smoke denitration in the stove wet desulphurization device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108458351A (en) * | 2018-03-30 | 2018-08-28 | 成都易态科技有限公司 | Solid waste incineration flue gas processing method and its system |
| CN114893842A (en) * | 2022-06-22 | 2022-08-12 | 珠海格力电器股份有限公司 | Humidifying device, humidifying air conditioner and control method thereof |
-
2015
- 2015-03-26 CN CN201520208139.5U patent/CN204513432U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108458351A (en) * | 2018-03-30 | 2018-08-28 | 成都易态科技有限公司 | Solid waste incineration flue gas processing method and its system |
| CN108458351B (en) * | 2018-03-30 | 2024-01-05 | 成都易态科技有限公司 | Solid waste incineration flue gas purification treatment method and system thereof |
| CN114893842A (en) * | 2022-06-22 | 2022-08-12 | 珠海格力电器股份有限公司 | Humidifying device, humidifying air conditioner and control method thereof |
| CN114893842B (en) * | 2022-06-22 | 2023-07-21 | 珠海格力电器股份有限公司 | Humidification device, humidification air conditioner and control method of humidification air conditioner |
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