CN206881499U - High efficiency composition catalytic oxidation desulfurization denitrating system - Google Patents
High efficiency composition catalytic oxidation desulfurization denitrating system Download PDFInfo
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- CN206881499U CN206881499U CN201720366021.4U CN201720366021U CN206881499U CN 206881499 U CN206881499 U CN 206881499U CN 201720366021 U CN201720366021 U CN 201720366021U CN 206881499 U CN206881499 U CN 206881499U
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- high efficiency
- efficiency composition
- tower
- catalytic oxidation
- desulfurization denitrating
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Abstract
The utility model provides a kind of high efficiency composition catalytic oxidation desulfurization denitrating system, including：At least two-stage identical high efficiency composition tower, oxidative system, absorbent stocking system, catalyst storage system and monitoring aiutage, wherein：Connected with the import of bottom by connecting pipe head and the tail the gas outlet on the mutual top of high efficiency composition tower, the entrance of the one-level high efficiency composition tower bottom of series connection connects Industrial Boiler exhaust outlet by admission line, oxidative system is connected with all high efficiency composition towers, catalyst storage system connects all high efficiency composition towers, high efficiency composition bottom of towe end is all connected with absorbent stocking system and mixed liquor holding vessel, the exhaust outlet connection monitoring aiutage at final stage high efficiency composition tower top end.Oxidant and catalyst are delivered to high efficiency composition tower by the oxidized system of the utility model, catalyst storage system, carry out flue gas desulfurization and denitrification in high efficiency composition tower, special high efficiency composition tower internal structure and whole system are designed to realize that flue gas desulfurization and denitrification integral type is administered.
Description
Technical field
The utility model belongs to Industrial Boiler flue gas desulfurization and denitrification Treatment process field, and in particular to a kind of high efficiency composition is urged
Change oxidation sweetening denitrating system.
Background technology
Industrial Boiler flue gas desulfurization and denitrification Treatment process applicability and advantage and disadvantage existing in the market are directed to be compared.
1st, adsorption technology has the advantages of quick, cost is low, high treating effect in a short time, but long-play is needed to dress
Activated carbon, bamboo charcoal in putting are changed, and activated carbon, the bamboo charcoal changed belongs to hazardous waste, it is necessary to there is dangerous waste processing
The unit of qualification is handled, and the processing cost in later stage is higher, adds the operating cost of enterprise；2nd, calcium method desulphurization denitration skill
Art easily produces the carbon dioxide of greenhouse, and can produce the problem of waste water causes secondary pollution, while the use of gypsum
It is fewer on the way, land occupation resource is stacked, and easily contaminated soil, water resource and air, operating cost are higher.3rd, ammonia process takes off
Sulphur denitration technology easily produces the problem of crystallization inside tower brings fouling to shut down, it is necessary to carry out maintenance shut-downs maintenance, and exist for
Harmful components in flue gas are difficult to complete oxidation, cause the byproduct rate of recovery low, while the volatilization of ammoniacal liquor peculiar smell produces VOC's
Problem.4th, magnesium processes desulphurization denitration technology, the restriction of magnesium ore resources is received, limitation is big, can also produce crystallization inside tower and bring fouling
The problem of shutdown, byproduct recovery was complicated, and cost is high and solubility height is volatile, it is necessary to carry out maintenance shut-downs maintenance, produced two
Secondary pollution problem.
Utility model content
The utility model provides a kind of high efficiency composition catalytic oxidation desulfurization denitrating system, oxidized system to solve Problems Existing
Oxidant and catalyst are delivered to high efficiency composition tower by system, catalyst storage system, and flue gas desulfurization is carried out in high efficiency composition tower and is taken off
Nitre, special high efficiency composition tower internal structure and whole system are designed to realize that flue gas desulfurization and denitrification integral type is administered.
What the utility model was achieved through the following technical solutions：
A kind of high efficiency composition catalytic oxidation desulfurization denitrating system, including at least two-stage identical high efficiency composition tower, oxidation system
System, absorbent stocking system, catalyst storage system and monitoring aiutage, wherein：At least two-stage high efficiency composition tower is mutual
Between connected by the gas outlet on top and the import of bottom by connecting pipe head and the tail, arrived inside every grade of high efficiency composition tower from above
Under be sequentially provided with purifier, catalytic oxidation room, mixed liquor locker room, outside the purifier of every grade of high efficiency composition tower
Portion connects mixed liquor locker room by circulating pump, and the entrance of the one-level high efficiency composition tower bottom of series connection connects work by admission line
Industry boiler exhaust mouth, the oxidative system by it is corresponding with high efficiency composition tower quantity oxidation inlet pipeline connect admission line and
Connecting pipe connect first high efficiency composition tower and series connection remaining high efficiency composition tower, the catalyst storage system by with it is efficient
Oxidation inlet pipeline corresponding to combination tower quantity connects admission line and connecting pipe and then connects one-level high efficiency composition tower respectively
With remaining high efficiency composition tower of series connection, the more high efficiency composition bottom of towe end is all connected with absorbent stocking system and mixed liquor storage
Tank, the exhaust outlet connection monitoring aiutage at final stage high efficiency composition tower top end.
Preferably, the purifier includes the spray system that laterally sets, the many-sided ball below spray system is filled out
The bed of material.
Preferably, the outside of the high efficiency composition tower is provided with circulating pump, connects the mixed liquor and spray system of tower inner bottom part,
The one direction circulation for making mixed liquor be formed inside and outside tower.
Preferably, it is the stable organic catalyst containing sulfinyl functional group in the catalyst storage system, uses
Stable organic catalyst containing sulfinyl functional group so that catalytic oxidation efficiency greatly improves, while controls sulfurous
The volatilization of hydrochlorate and nitrite, solve absorbent gas escape problem, improve the efficiency of desulphurization denitration.
Preferably, the oxidant in the oxidative system is ozone and hydroxyl radical free radical strong oxidizer, utilizes ozone and hydroxyl
The strong oxidizers such as base free radical greatly improve the nitrogen oxides for the being insoluble in water high oxide into solvable with sulfide-oxidation
The efficiency that sulphur removal is denitrogenated.
Preferably, monitoring the suitable for reading of aiutage is higher than more than 5 meters of final stage high efficiency composition tower top end, can utilize monitoring
The pressure differential of aiutage upper and lower port realizes the extraction of flue gas, saves the energy.
Preferably, it is equipped with circulating pump on the connecting pipe.
Preferably, the purifier sets at least 2 layers, can further improve the dedirt and acidic and alkaline gas of spray column
Clean-up effect.
Preferably, at least two spray head is installed on the spray arm of the spray system, spray area can be increased, is increased
Add the contact area with flue gas, improve clean-up effect.
Preferably, the many-sided ball packing layer is the spheroid packing layer being placed on dividing plate, and spheroid packing layer is many-sided ball
Filler material, because packing layer is the spheroid packing layer that is placed on dividing plate, and it is in the lower section of spray system, spheroid packing layer
Many-sided ball filler material, bulky grain molecule and the most harmful substances caught in flue gas is may filter that, in the presence of spray
Tower bottom is washed into, clearance further improves.
Preferably, the exhaust outlet at the final stage high efficiency composition tower top end connects monitoring aiutage by air-introduced machine, is monitoring
Under the Action of Wind pressure of aiutage plus air-introduced machine is used, more completely gas is flowed in controlling device.
The utility model can make Industrial Boiler flue gas enter the space that holds that high efficiency composition tower expands flue gas, reduce pressure
Power, so as to reduce its flow velocity, lay the foundation to improve subsequent treatment effect, then tied with oxidant and organic catalyst
Close, be the sulfide and nitride for being dissolved in water by the sulfide in flue gas and nitride oxide, be dissolved in water and form sulfurous acid and Asia
Nitric acid, while after being combined with organic catalyst, stable comple is formed with the sulfinyl functional group in catalyst, then with oxidation
Agent and absorbent reaction, ultimately produce ammonium sulfate and ammonium nitrate.Then the crystallization being pumped into by mixed liquor discharge outside tower is dried
Device, obtains byproduct of ammonium sulfate chemical fertilizer and ammonium nitrate fertilizer, and purified gas is discharged by monitoring aiutage.
Compared with prior art, the beneficial effects of the utility model are：
1st, due to organic catalyst sulfinyl functional group in tower, sulfide in flue gas and nitride can be facilitated into steady
Determine complex compound, while can also suppress the volatilization of sulphite and nitrite.The treatment effeciency of reaction is increased significantly, is subtracted simultaneously
The pollution of secondary volatilization is lacked.
2nd, due to strong oxidizer caused by oxidative system, it can ensure that sulfide in flue gas and nitride oxide are into readily soluble
In the material of water, and it can guarantee that stable complex compound generation ammonium sulfate and ammonium nitrate so that reaction ratio more thoroughly, substantially increases
Reaction efficiency.
4th, because the import of oxidant and organic catalyst is arranged on the front end of tower, almost tower is entered with the flue gas equal time
It is interior so that the harmful substance energy very first time in flue gas reacts with oxidant and organic catalyst, add reaction when
Between, improve reaction efficiency.
5th, because exhaust outlet connects monitoring aiutage, monitor the suitable for reading of aiutage and be higher than more than 5 meters of tower top end, can utilize
The pressure differential of aiutage upper and lower port is monitored to realize the extraction of flue gas, saves the energy；It can not meet gas in monitoring aiutage
During mass rate of emission, air-introduced machine can also be added between steam vent and monitoring aiutage, increase the flow velocity to gas.
6th, because packing layer is the spheroid packing layer that is placed on dividing plate, and in the lower section of spray system, spheroid packing layer
For many-sided ball filler material, bulky grain molecule and the most harmful substances caught in flue gas is may filter that, in the effect of spray
Under be washed into tower bottom, clearance further improves.
7th, because the high efficiency composition tower of more than two is by the way of end to end, i.e., the gas after premenstrual coagulation is again
Administered in secondary entrance rear stage tower, improve regulation effect.
8th, the utility model is simple in construction, and the regulation effect of Industrial Boiler flue gas can be greatly improved, and can widen it and answer
With field, it is easy to popularization and application in industry.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
The structural representation of Fig. 2 high efficiency composition towers；
Wherein：1 is one-level high efficiency composition tower；2 be the first oxidation inlet pipeline；3 be the first catalyst inlet line；4 are
Admission line；5 be Industrial Boiler exhaust outlet；6 be oxidative system；7 be catalyst storage system；8 be absorbent stocking system；9
For circulating pump；10 be the second oxidation inlet pipeline；11 be the second catalyst inlet line；12 be connecting pipe；13 be that two level is high
Combination tower is imitated, 14 be mixed liquor holding vessel；15 be air-introduced machine；16 be monitoring aiutage；17 be purifier；17-1 is spray system
System；17-2 is many-sided ball packing layer；17-3 is dividing plate；18 be catalytic oxidation room；19 be mixed liquor locker room.
Embodiment
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
Embodiment 1
In the utility model, with reference to the flow direction of flue gas, one end that flue gas is entered to system is defined as head end, will correspondingly gone out
One end of system is defined as tail end.
A kind of high efficiency composition catalytic oxidation desulfurization denitrating system, including two identical high efficiency composition towers, oxidative system 6,
Absorbent stocking system 8, catalyst storage system 7 and monitoring aiutage 16, wherein：Described two identical high efficiency composition towers are
One-level high efficiency composition tower 1 and two level high efficiency composition tower 13, inside the one-level high efficiency composition tower 1 and two level high efficiency composition tower 13 by
Top to bottm is followed successively by purifier 17, catalytic oxidation room 18, mixed liquor locker room 19, the He of one-level high efficiency composition tower 1
Mixed liquor locker room 19 is connected by circulating pump 9 outside the purifier 17 of two level high efficiency composition tower 13, the one-level is efficient
The entrance of the bottom of combination tower 1 connects Industrial Boiler exhaust outlet 5, the top of the one-level high efficiency composition tower 1 by admission line 4
Exit the entrance of the bottom of two level high efficiency composition tower 13 is connected by connecting pipe 13, the oxidative system 6 passes through the first oxygen
Change inlet pipeline 2 and second and aoxidize inlet pipeline 10 respectively by connecting admission line 4 and connecting pipe 12 and then connection one-level
High efficiency composition tower 1 and two level high efficiency composition tower 13, the catalyst storage system 7 pass through the first catalysis inlet pipeline 3 and second
Catalysis inlet pipeline 11 connects one-level high efficiency composition tower 1 and two level by connecting admission line 4 and connecting pipe 12 respectively
High efficiency composition tower 13, the one-level high efficiency composition tower 1 and two level high efficiency composition tower 13 are all connected with absorbent stocking system 8 and mixing
Liquid holding vessel 14, the exhaust outlet connection monitoring aiutage 16 on the top of two level high efficiency composition tower 13.
The purifier 17 includes spray system 17-1, the many-sided ball filler below spray system laterally set
Layer 17-2.
It is the stable organic catalyst containing sulfinyl functional group in the catalyst storage system 7, using containing Asia
The stable organic catalyst of sulfonyl functional group so that catalytic oxidation efficiency greatly improves, while control sulphite and
The volatilization of nitrite, solve absorbent gas escape problem, improve the efficiency of desulphurization denitration.
The inside of oxidative system 6 includes ozone generator, compressor, cooling driers, filter, power supply, switch board, described
Oxidant in oxidative system is ozone and hydroxyl radical free radical strong oxidizer, is incited somebody to action using strong oxidizers such as ozone and hydroxyl radical free radicals
The nitrogen oxides of the water high oxide into solvable with sulfide-oxidation is insoluble in, substantially increases the efficiency that sulphur removal is denitrogenated.
The purifier 17 is arranged to 2 layers.
5 spray heads are installed on the spray arm of the spray system 17-1.
The many-sided ball packing layer 17-2 is the spheroid packing layer being placed on dividing plate 17-3, and spheroid packing layer is many-sided ball
Filler material.
Monitoring the suitable for reading of aiutage 16 is higher than 6 meters of 13 top of two level high efficiency composition tower.
Circulating pump is equipped with all pipelines.
The course of work of the present utility model is as follows：
The flue gas of Industrial Boiler fume emission mouth discharge enters urging in one-level high efficiency composition tower after admission line is collected
Oxidation room, simultaneously, the organic catalyst of oxidant caused by oxidative system and the output of catalyst storage system
The catalytic oxidation room entered respectively through peroxidating inlet pipeline and the first catalyst inlet line in one-level high efficiency composition tower,
Catalytic oxidation occurs herein for three, forms the stable comple for being dissolved in water, and the absorbent that then spray system sprays is by upper
Down into catalytic oxidation room, the stable comple for being dissolved in water is dissolved, is then dissolved into the mixed liquor of tower bottom, is remained
The remaining flue gas for having neither part nor lot in catalytic oxidation continues to rise from catalytic oxidation room, by the capture filter of many-sided ball packing layer
After purification, two level high efficiency composition tower is discharged into by the outlet at one-level high efficiency composition tower top end and carries out reaction of high order, two level is efficient
Combination tower is identical with the reaction mechanism of one-level high efficiency composition tower, finally by outlet of the gas through two level high efficiency composition tower top end by drawing
The outlet of blower fan enters monitoring aiutage, is discharged in air.In addition, the material arrived by many-sided ball packing layer institute capture filter,
Under the souring of spray system, it is transported in the mixed liquor of bottom of towe；Absorbent stocking system disappears according to mixed liquor in tower
Consumption, not timing convey absorbent into tower；The harmful substance being retained down crystallizes in mixed liquor, then passes through compression pump
In the mixed liquor holding vessel being transported to outside tower of not timing, for making byproduct.
It is described above, only it is preferred embodiment of the present utility model, is not that other forms are made to the utility model
Limitation, any person skilled in the art is changed or is modified as possibly also with the technology contents of the disclosure above equivalent
The equivalent embodiment of change.But it is every without departing from the content of the technical scheme of the utility model, it is real according to technology of the present utility model
Any simple modification, equivalent variations and the remodeling that confrontation above example is made, still fall within the guarantor of technical solutions of the utility model
Protect scope.
Claims (10)
1. high efficiency composition catalytic oxidation desulfurization denitrating system, including at least two-stage identical high efficiency composition tower, oxidative system, absorption
Agent stocking system, catalyst storage system and monitoring aiutage, wherein：At least two-stage high efficiency composition tower is between each other by pushing up
The gas outlet at end is connected with the import of bottom by connecting pipe head and the tail, is set successively from top to bottom inside every grade of high efficiency composition tower
There are purifier, catalytic oxidation room, a mixed liquor locker room, by following outside the purifier of every grade of high efficiency composition tower
Ring pump connection mixed liquor locker room, the entrance of the one-level high efficiency composition tower bottom of series connection is by admission line connection Industrial Boiler row
Gas port, the oxidative system connect admission line and connecting pipe by oxidation inlet pipeline corresponding with high efficiency composition tower quantity
Connect first high efficiency composition tower and series connection remaining high efficiency composition tower, the catalyst storage system by with high efficiency composition tower number
Oxidation inlet pipeline corresponding to amount connects admission line and connecting pipe and then connects one-level high efficiency composition tower and series connection respectively
Remaining high efficiency composition tower, the more high efficiency composition bottom of towe end are all connected with absorbent stocking system and mixed liquor holding vessel, final stage
The exhaust outlet connection monitoring aiutage at high efficiency composition tower top end.
2. high efficiency composition catalytic oxidation desulfurization denitrating system according to claim 1, it is characterised in that：The purifier
Including laterally set spray system, the many-sided ball packing layer below spray system.
3. high efficiency composition catalytic oxidation desulfurization denitrating system according to claim 1, it is characterised in that：The purifier
Set at least 2 layers.
4. high efficiency composition catalytic oxidation desulfurization denitrating system according to claim 1, it is characterised in that：The catalyst storage
It is the stable organic catalyst containing sulfinyl functional group in deposit system.
5. high efficiency composition catalytic oxidation desulfurization denitrating system according to claim 1, it is characterised in that：The oxidative system
Inside includes ozone generator, compressor, cooling driers, filter, power supply, switch board, and the oxidant in the oxidative system is
Ozone and hydroxyl radical free radical strong oxidizer.
6. high efficiency composition catalytic oxidation desulfurization denitrating system according to claim 1, it is characterised in that：The monitoring exhaust
The suitable for reading of cylinder is higher than two level high efficiency composition tower top end more than 5 meters.
7. high efficiency composition catalytic oxidation desulfurization denitrating system according to claim 1, it is characterised in that：All pipelines
On be equipped with circulating pump.
8. high efficiency composition catalytic oxidation desulfurization denitrating system according to claim 1, it is characterised in that：The final stage is efficient
The exhaust outlet on combination tower top connects monitoring aiutage by air-introduced machine.
9. high efficiency composition catalytic oxidation desulfurization denitrating system according to claim 2, it is characterised in that：The spray system
Spray arm at least two spray head is installed.
10. high efficiency composition catalytic oxidation desulfurization denitrating system according to claim 9, it is characterised in that：The many-sided ball
Packing layer is the spheroid packing layer being placed on dividing plate, and spheroid packing layer is many-sided ball filler material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720366021.4U CN206881499U (en) | 2017-04-08 | 2017-04-08 | High efficiency composition catalytic oxidation desulfurization denitrating system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720366021.4U CN206881499U (en) | 2017-04-08 | 2017-04-08 | High efficiency composition catalytic oxidation desulfurization denitrating system |
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| CN206881499U true CN206881499U (en) | 2018-01-16 |
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| CN201720366021.4U Expired - Fee Related CN206881499U (en) | 2017-04-08 | 2017-04-08 | High efficiency composition catalytic oxidation desulfurization denitrating system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109173718A (en) * | 2018-11-08 | 2019-01-11 | 华能国际电力股份有限公司 | Calcium method-based combined desulfurization, denitrification and demercuration method and device |
-
2017
- 2017-04-08 CN CN201720366021.4U patent/CN206881499U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109173718A (en) * | 2018-11-08 | 2019-01-11 | 华能国际电力股份有限公司 | Calcium method-based combined desulfurization, denitrification and demercuration method and device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180116 Termination date: 20200408 |
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| CF01 | Termination of patent right due to non-payment of annual fee |