CN109316940A - Desulphurization denitration gas wash tower - Google Patents
Desulphurization denitration gas wash tower Download PDFInfo
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- CN109316940A CN109316940A CN201811467137.2A CN201811467137A CN109316940A CN 109316940 A CN109316940 A CN 109316940A CN 201811467137 A CN201811467137 A CN 201811467137A CN 109316940 A CN109316940 A CN 109316940A
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- reactor tank
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
- B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
- B01D53/502—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound characterised by a specific solution or suspension
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/56—Nitrogen oxides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/206—Ammonium compounds
- B01D2251/2067—Urea
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/30—Alkali metal compounds
- B01D2251/304—Alkali metal compounds of sodium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/60—Inorganic bases or salts
- B01D2251/604—Hydroxides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
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- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
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- General Chemical & Material Sciences (AREA)
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Abstract
The invention discloses a kind of desulphurization denitration gas wash towers, including air-introduced machine, denitration dust collecting tower and desulfurized dust collection column；Denitration dust collecting tower and desulfurized dust collection column include reactor tank, blowdown valve, sedimentation basin, stillness of night pond and circulating pump；The upper end of reactor tank is provided with smoke inlet, the side on the top of reactor tank is provided with outlet flue, the lower part of reactor tank fills reaction solution, interpolation pipe is equipped in reactor tank, the upper end of interpolation pipe is connected with smoke inlet, and the lower end of interpolation pipe is protruded into the reaction solution in reactor tank, and the sludge in reactor tank is discharged into sedimentation basin by blowdown valve, overflow port is provided between sedimentation basin and stillness of night pond, circulating pump is used to the reaction solution in stillness of night pond reactor tank is added；The smoke inlet of denitration dust collecting tower is connected to air-introduced machine, and the smoke inlet of desulfurized dust collection column is connected to the outlet flue of denitration dust collecting tower.Inventive desulfurization, denitration and the high-efficient of dedusting, effect are good, and install, operating cost it is low, occupied area is small, and operating method is easy.
Description
Technical field
The present invention relates to fume treatment technical fields, more particularly to a kind of desulphurization denitration gas wash tower.
Background technique
Environmental concerns are to everyone healthy and live, but with the rapid development of industry, the use of various boilers is got over
Come more, the flue dust and toxic gas of generation seriously polluted atmosphere, so it is extremely urgent to eliminate flue dust, purification air.
The maximum flue dust of content, sulfur dioxide, followed by carbon monoxide, hydrocarbon, nitric oxide and photochemical fog in flue gas,
These pollute most of various Industrial Boilers, station boiler and civil boiler from burning coal.
With the exacerbation of air pollution and the enhancing of people's environmental consciousness, the processing of boiler smoke increasingly by country and
The attention of society, the key of boiler smoke processing are to carry out the processing of desulphurization and denitration and dedusting, are occurred on the market now various
The desulphurization denitration gas wash tower of various kinds, however, the installation of existing desulphurization denitration gas wash tower, operating cost height, bulky, land occupation
Area is big, and operating method is complicated, the low efficiency of desulphurization and denitration and dedusting, and the effect of fume treatment is unsatisfactory.
Summary of the invention
For the defects in the prior art, the present invention provides a kind of desulphurization denitration gas wash tower so that its desulphurization and denitration and
The high-efficient of dedusting, effect are good, and install, operating cost it is low, occupied area is small, and operating method is easy.
The present invention provides a kind of desulphurization denitration gas wash towers, including the air-introduced machine, denitration dust collecting tower and desulfurization being sequentially connected in series
Gas wash tower；The denitration dust collecting tower and desulfurized dust collection column include reactor tank, blowdown valve, sedimentation basin, stillness of night pond and circulating pump；Institute
The upper end for stating reactor tank is provided with smoke inlet, and the side on the top of reactor tank is provided with outlet flue, and the lower part of reactor tank fills instead
Answer solution, the liquid level of the reaction solution in the reactor tank is located at outlet flue hereinafter, being equipped with interpolation pipe in the reactor tank, described
The upper end of interpolation pipe is connected with smoke inlet, and the lower end of the interpolation pipe is protruded into the reaction solution in reactor tank；The blowdown valve
Set on the bottom of reactor tank, the inner end of blowdown valve is connected to reactor tank, and the precipitating is accessed by sludge pipe in the outer end of blowdown valve
Pond is provided with overflow port between the sedimentation basin and stillness of night pond, and the reaction solution after sedimentation basin is clarified is from the overflow port stream
Enter stillness of night pond, the circulating pump is used to for the reaction solution in stillness of night pond being added in reactor tank；The denitration dust collecting tower into cigarette
Pass through pipeline between mouth and the air-introduced machine to connect, the outlet flue of the smoke inlet of the desulfurized dust collection column and the denitration dust collecting tower
Between pass through pipeline connect.
The air-introduced machine of the desulphurization denitration gas wash tower connects boiler flue outlet, the outlet flue cigarette receiving chimney of desulfurized dust collection column, work
When, flue gas is introduced denitration dust collecting tower by air-introduced machine, and flue gas introduces denitration reaction solution, flue gas through the interpolation pipe in denitration dust collecting tower
It is reacted with the reaction solution, and then realizes the denitration of flue gas, meanwhile, the part flue dust in flue gas dissolves in the solution, and then removes
The part flue dust in flue gas is removed, treated that flue gas enters back into desulfurized dust collection column through denitration dust collecting tower, and flue gas is through desulfurized dust collection column
Interior interpolation pipe introduces desulphurization reaction solution, and flue gas is reacted with the reaction solution, and then realizes the desulfurization of flue gas, meanwhile, flue gas
In the further pass into solution of flue dust in, and then the flue dust in flue gas is further removed, through desulfurized dust collection column treated flue gas
It is discharged into atmosphere by chimney, the flue gas of discharge can satisfy the emission request of National Environmental Protection Agency.To denitration dust collecting tower and de-
After sulphur gas wash tower is passed through the flue gas of a period of time, the blowdown valve of denitration dust collecting tower and desulfurized dust collection column is opened respectively, can be incited somebody to action
Sludge in respective reactor tank is discharged into sedimentation basin, and the reaction solution after sedimentation basin is clarified flows into stillness of night pond, at the same time it can also to
Reaction solution is added in stillness of night pond, the reaction solution in stillness of night pond can be added to reactor tank by circulating pump.Therefore, the application is not
Only desulphurization and denitration and dust removal process efficiently can be carried out to flue gas, and the effect handled is very good, meanwhile, denitration dust collecting tower
It can also be automatically drained out with the sludge in the reactor tank of desulfurized dust collection column, the reaction solution of discharge can recycle after precipitation,
The installation of whole device, operating cost are all very low, and occupied area is small, and operating method is easy.
Further, gas-liquid separator is provided between the reactor tank and interpolation pipe, the gas-liquid separator is located at anti-
It answers between the liquid level and smoke inlet of the reaction solution in tank.After flue gas is reacted with reaction solution, a large amount of steam can be carried, is passed through
Gas-liquid separator is set, the steam in flue gas can be separated, prevent flue gas from taking away steam, avoids the dry of desulfurization and denitrification reaction
It disturbs.
Further, the gas-liquid separator is vertically arranged at intervals at least two groups.Gas-liquid separator is arranged two groups, gas
Liquid separation is more thorough.
Further, the liquid feeding end of the circulating pump is provided with automatic open and close valve, and the outlet end of the circulating pump is provided with
Check valve is also connected with communicating pipe, the other end and automatic open close of the communicating pipe between the outlet end and check valve of circulating pump
Valve is connected, to control automatic open and close valve opening and closing, between the check valve and reactor tank, the both ends of automatic open and close valve and communicating pipe
On be provided with service valve.When recycling air pump inoperative, check valve and automatic open and close valve enough prevent reaction solution from flowing back, and work as circulating pump
When starting, check valve is opened, and the liquid in communicating pipe generates a pressure, and the valve of automatic open and close valve is opened, is opened automatically
Valve closing is opened, and pipeline perforation, when the circulation pump is switched off, closed check valve, the liquid pressure in communicating pipe reduce, automatic open and close valve
Valve reset under the action of the spring, automatic open and close valve is automatically closed, by the way that service valve is arranged, convenient for check valve and opening automatically
The maintenance of valve closing.
Further, it is provided with mixing pump in the sedimentation basin and stillness of night pond, the bottom of the sedimentation basin is connected with row
Dredge pump.Mixing pump in sedimentation basin is stirred sludge, and convenient for being drained by sludge pump, the mixing pump in stillness of night pond can make clearly
Reaction solution in night pond is uniformly mixed.
Further, the side of the lower part of the reactor tank is additionally provided with clear mud inspection hole.By the way that clear mud inspection hole is arranged,
So as to maintenance and inspection use.
Further, the bottom of the reactor tank is also connected with tapping valve, and the upper end of the tapping valve is higher than blowdown valve
The sedimentation basin is accessed by drain pipe in the outer end of upper end, tapping valve.When blowdown valve is blocked, can will be reacted by tapping valve
Reaction solution discharge in tank, then the sludge in reactor tank is handled by clear mud inspection hole.
Further, filter is additionally provided at the outlet flue of the desulfurized dust collection column.By the way that filter, Neng Goujin is arranged
One step filters out the flue dust remained in flue gas.
Further, the side of the reactor tank is additionally provided with liquidometer.Liquidometer is convenient for the liquid level in observing response tank
Highly.
Further, the reaction solution of the denitration dust collecting tower is aqueous solution of urea, and the reaction of the desulfurized dust collection column is molten
Liquid is caustic soda aqueous solution.Aqueous solution of urea can carry out denitration reaction with flue dust, and caustic soda aqueous solution can carry out desulphurization reaction with flue dust.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Attached drawing needed in embodiment is briefly described.In all the appended drawings, similar device or part are generally by class
As appended drawing reference identify.In attached drawing, each device or part might not be drawn according to actual ratio.
Fig. 1 is the structural schematic diagram of the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the denitration dust collecting tower of the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of the desulfurized dust collection column of the embodiment of the present invention.
In attached drawing, 1 indicates air-introduced machine；2 indicate denitration dust collecting tower；3 indicate desulfurized dust collection column；4 indicate reactor tank；401 tables
Show smoke inlet；402 indicate outlet flue；5 indicate blowdown valve；501 indicate sludge pipe；6 indicate sedimentation basin；7 indicate stillness of night pond；8 tables
Show circulating pump；801 indicate automatic open and close valve；802 indicate check valve；803 indicate communicating pipe；804 indicate service valve；9 indicate anti-
Answer solution；10 indicate interpolation pipe；11 indicate gas-liquid separator；12 indicate mixing pump；13 indicate sludge pump；14 indicate clear mud inspection
Hole；15 indicate tapping valve；151 indicate drain pipe；16 indicate filter；17 indicate liquidometer.
Specific embodiment
It is described in detail below in conjunction with embodiment of the attached drawing to technical solution of the present invention.Following embodiment is only used for
Clearly illustrate technical solution of the present invention, therefore be only used as example, and cannot be used as a limitation the protection model of limitation this patent
It encloses.
As shown in Figure 1-Figure 3, the embodiment of the invention provides a kind of desulphurization denitration gas wash tower 2, draw including what is be sequentially connected in series
Blower 1, denitration dust collecting tower 2 and desulfurized dust collection column 3, wherein the structure of denitration dust collecting tower 2 and desulfurized dust collection column 3 is essentially identical, takes off
Nitre gas wash tower 2 and desulfurized dust collection column 3 include reactor tank 4, blowdown valve 5, sedimentation basin 6, stillness of night pond 7 and circulating pump 8.
Referring to Fig. 2 and Fig. 3, the upper end of reactor tank 4 is provided with smoke inlet 401, and the side on the top of reactor tank 4 is provided with out
Mouth 402, the lower part of reactor tank 4 fills reaction solution 9, and (wherein the reaction solution 9 of denitration dust collecting tower 2 is aqueous solution of urea, urine
Plain aqueous solution can carry out denitration reaction with flue dust, and the reaction solution 9 of desulfurized dust collection column 3 is caustic soda aqueous solution, and caustic soda aqueous solution can
Desulphurization reaction is carried out with flue dust), the liquid level of the reaction solution 9 in reactor tank 4 is located at outlet flue 402 hereinafter, being equipped in reactor tank 4
The upper end of interpolation pipe 10, interpolation pipe 10 is connected with smoke inlet 401, and the reaction solution 9 in reactor tank 4 is protruded into the lower end of interpolation pipe 10
In.
Blowdown valve 5 is set to the bottom of reactor tank 4, and the inner end of blowdown valve 5 is connected to reactor tank 4, and the outer end of blowdown valve 5 passes through
Sludge pipe 501 accesses sedimentation basin 6, is provided with overflow port between sedimentation basin 6 and stillness of night pond 7, and the reaction after the clarification of sedimentation basin 6 is molten
Liquid 9 flows into stillness of night pond 7 from overflow port, and circulating pump 8 is used to for the reaction solution 9 in stillness of night pond 7 being added in reactor tank 4.
It is connected between the smoke inlet 401 and air-introduced machine 1 of denitration dust collecting tower 2 by pipeline, the smoke inlet of desulfurized dust collection column 3
It is connected between 401 and the outlet flue 402 of denitration dust collecting tower 2 by pipeline, is additionally provided at the outlet flue 402 of desulfurized dust collection column 3
Filter 16.
The air-introduced machine 1 of the desulphurization denitration gas wash tower 2 connects boiler flue outlet, 402 cigarette receiving of outlet flue of desulfurized dust collection column 3
Chimney, when work, flue gas is introduced denitration dust collecting tower 2 by air-introduced machine 1, and flue gas introduces denitration through the interpolation pipe 10 in denitration dust collecting tower 2
Reaction solution 9, flue gas are reacted with the reaction solution 9, and then realize the denitration of flue gas, meanwhile, the part flue dust in flue gas dissolves in
In the solution, and then the part flue dust in flue gas is removed, through denitration dust collecting tower 2, treated that flue gas enters back into desulfurized dust collection column 3,
Flue gas introduces desulphurization reaction solution 9 through the interpolation pipe 10 in desulfurized dust collection column 3, and flue gas is reacted with the reaction solution 9, and then realizes
The desulfurization of flue gas, meanwhile, in the further pass into solution of flue dust in flue gas, and then the flue dust in flue gas is further removed, through de-
After treated the flue gas of sulphur gas wash tower 3 further filters out remaining flue dust by filter 16 excessively, it is discharged into atmosphere through chimney, is arranged
Flue gas out can satisfy the emission request of National Environmental Protection Agency.When being passed through one section to denitration dust collecting tower 2 and desulfurized dust collection column 3
Between flue gas after, the blowdown valve 5 of denitration dust collecting tower 2 and desulfurized dust collection column 3 is opened respectively, can will be in respective reactor tank 4
Sludge is discharged into sedimentation basin 6, and the reaction solution 9 after the clarification of sedimentation basin 6 flows into stillness of night pond 7, at the same time it can also into stillness of night pond 7
Reaction solution 9 is added, the reaction solution 9 in stillness of night pond 7 can be added to reactor tank 4 by circulating pump 8.Therefore, the application is not only
Desulphurization and denitration and dust removal process efficiently can be carried out to flue gas, and the effect handled is very good, meanwhile, 2 He of denitration dust collecting tower
Sludge in the reactor tank 4 of desulfurized dust collection column 3 can also be automatically drained out, and the reaction solution 9 of discharge can recycle after precipitation,
The installation of whole device, operating cost are all very low, and occupied area is small, and operating method is easy.
In the present embodiment, gas-liquid separator 11 is provided between reactor tank 4 and interpolation pipe 10, gas-liquid separator 11 is located at
Between the liquid level and smoke inlet 401 of reaction solution 9 in reactor tank 4.After flue gas is reacted with reaction solution 9, it can carry a large amount of
Steam in flue gas can be separated by the way that gas-liquid separator 11 is arranged, prevent flue gas from taking away steam, avoid desulfurization by steam
The interference of denitration reaction.In order to keep gas-liquid separation more thorough, gas-liquid separator 11 is vertically arranged at intervals at least two groups.
In the present embodiment, the liquid feeding end of circulating pump 8 is provided with automatic open and close valve 801, and the outlet end of circulating pump 8 is provided with
Check valve 802, is also connected with communicating pipe 803 between the outlet end and check valve 802 of circulating pump 8, the other end of communicating pipe 803 with
Automatic open and close valve 801 is connected, to control the opening and closing of automatic open and close valve 801, between check valve 802 and reactor tank 4, automatic open and close valve
801 both ends and service valve 804 is provided on communicating pipe 803.When circulating pump 8 does not work, check valve 802 and automatic open close
Valve 801 enough prevents reaction solution 9 from flowing back, and when circulating pump 8 starts, check valve 802 is opened, and the liquid in communicating pipe 803 generates
One pressure, the valve of automatic open and close valve 801 is opened, and automatic open and close valve 801 is opened, pipeline perforation, when circulating pump 8 is closed
When, check valve 802 is closed, and the liquid pressure in communicating pipe 803 reduces, and the valve of automatic open and close valve 801 is under the action of the spring
It resets, automatic open and close valve 801 is automatically closed, by the way that service valve 804 is arranged, convenient for the inspection of check valve 802 and automatic open and close valve 801
It repairs.
In the present embodiment, it is provided with mixing pump 12 in sedimentation basin 6 and stillness of night pond 7, the bottom of sedimentation basin 6 is connected with row
Dredge pump 13, the mixing pump 12 in sedimentation basin 6 are stirred sludge, the stirring convenient for being drained by sludge pump 13, in stillness of night pond 7
Pump 12 can be such that the reaction solution in stillness of night pond 7 is uniformly mixed.
In the present embodiment, the side of the lower part of reactor tank 4 is additionally provided with clear mud inspection hole 14, by the way that clear mud inspection is arranged
Hole 14, so as to maintenance and inspection use.The bottom of reactor tank 4 is also connected with tapping valve 15, and the upper end of tapping valve 15 is higher than blowdown valve 5
Upper end, the outer end of tapping valve 15, which accesses sedimentation basin 6 by drain pipe 151, can pass through tapping valve 15 when blowdown valve 5 is blocked
Reaction solution 9 in reactor tank 4 is discharged, then the sludge in reactor tank 4 is handled by clear mud inspection hole 14.Reactor tank
4 side is additionally provided with liquidometer 17, and liquidometer 17 is convenient for the liquid level in observing response tank 4.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it is still
It is possible to modify the technical solutions described in the foregoing embodiments, or some or all of the technical features is carried out
Equivalent replacement；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution various embodiments of the present invention technical side
The range of case should all cover within the scope of the claims and the description of the invention.
Claims (10)
1. a kind of desulphurization denitration gas wash tower, which is characterized in that including the air-introduced machine, denitration dust collecting tower and desulfurization and dedusting being sequentially connected in series
Tower；
The denitration dust collecting tower and desulfurized dust collection column include reactor tank, blowdown valve, sedimentation basin, stillness of night pond and circulating pump；It is described
The upper end of reactor tank is provided with smoke inlet, and the side on the top of reactor tank is provided with outlet flue, and the lower part of reactor tank fills reaction
The liquid level of solution, the reaction solution in the reactor tank is located at outlet flue hereinafter, being equipped with interpolation pipe in the reactor tank, it is described in
The upper end of intubation is connected with smoke inlet, and the lower end of the interpolation pipe is protruded into the reaction solution in reactor tank；The blowdown valve is set
In the bottom of reactor tank, the inner end of blowdown valve is connected to reactor tank, and the sedimentation basin is accessed by sludge pipe in the outer end of blowdown valve,
It is provided with overflow port between the sedimentation basin and stillness of night pond, the reaction solution after sedimentation basin is clarified flows into clear from the overflow port
Night pond, the circulating pump are used to for the reaction solution in stillness of night pond being added in reactor tank；
It is connected between the smoke inlet and the air-introduced machine of the denitration dust collecting tower by pipeline, the smoke inlet of the desulfurized dust collection column
It is connect between the outlet flue of the denitration dust collecting tower by pipeline.
2. desulphurization denitration gas wash tower according to claim 1, it is characterised in that: be arranged between the reactor tank and interpolation pipe
There is gas-liquid separator, the gas-liquid separator is located between the liquid level and smoke inlet of the reaction solution in reactor tank.
3. desulphurization denitration gas wash tower according to claim 2, it is characterised in that: the gas-liquid separator is vertically spaced and sets
It is equipped at least two groups.
4. desulphurization denitration gas wash tower according to claim 1, it is characterised in that: the liquid feeding end of the circulating pump is provided with certainly
Dynamic opening and closing valve, the outlet end of the circulating pump are provided with check valve, the company of being also connected between the outlet end and check valve of circulating pump
The other end of siphunculus, the communicating pipe is connected with automatic open and close valve, with control automatic open and close valve opening and closing, the check valve with react
Between tank, the both ends of automatic open and close valve and service valve is provided on communicating pipe.
5. desulphurization denitration gas wash tower according to claim 1, it is characterised in that: be respectively provided in the sedimentation basin and stillness of night pond
There is mixing pump, the bottom of the sedimentation basin is connected with sludge pump.
6. desulphurization denitration gas wash tower according to claim 1, it is characterised in that: the side of the lower part of the reactor tank is also set
It is equipped with clear mud inspection hole.
7. desulphurization denitration gas wash tower according to claim 6, it is characterised in that: the bottom of the reactor tank is also connected with row
Liquid valve, the upper end of the tapping valve are higher than the upper end of blowdown valve, and the sedimentation basin is accessed by drain pipe in the outer end of tapping valve.
8. desulphurization denitration gas wash tower according to claim 1, it is characterised in that: at the outlet flue of the desulfurized dust collection column also
It is provided with filter.
9. desulphurization denitration gas wash tower according to claim 1, it is characterised in that: the side of the reactor tank is additionally provided with liquid
Position meter.
10. -9 described in any item desulphurization denitration gas wash towers according to claim 1, it is characterised in that: the denitration dust collecting tower
Reaction solution is aqueous solution of urea, and the reaction solution of the desulfurized dust collection column is caustic soda aqueous solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811467137.2A CN109316940A (en) | 2018-12-03 | 2018-12-03 | Desulphurization denitration gas wash tower |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811467137.2A CN109316940A (en) | 2018-12-03 | 2018-12-03 | Desulphurization denitration gas wash tower |
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| CN109316940A true CN109316940A (en) | 2019-02-12 |
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| CN201811467137.2A Pending CN109316940A (en) | 2018-12-03 | 2018-12-03 | Desulphurization denitration gas wash tower |
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Application publication date: 20190212 |