CN206762536U - Fire coal boiler fume Wet multi-stage washs multi-pollutant cleaning equipment integrated system - Google Patents
Fire coal boiler fume Wet multi-stage washs multi-pollutant cleaning equipment integrated system Download PDFInfo
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- CN206762536U CN206762536U CN201720546137.6U CN201720546137U CN206762536U CN 206762536 U CN206762536 U CN 206762536U CN 201720546137 U CN201720546137 U CN 201720546137U CN 206762536 U CN206762536 U CN 206762536U
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- scrubbing tower
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Abstract
It the utility model is related to a kind of fire coal boiler fume Wet multi-stage washing multi-pollutant cleaning equipment integrated system.Including flue gas oxidation panel, scrubbing tower, gas-liquid separation device, it is characterized in that, scrubbing tower is multiphase air swirl scrubbing tower, detergent nozzle is provided with smoke inlet, moisture film water curtain forming apparatus is provided with inside tower body, below detergent nozzle, liquid uniforming cap of the moisture film water curtain forming apparatus including cone shape, liquid uniforming cap lower section are arranged on the spinning disk in inner canister side wall, and spinning disk fore-and-aft tilt setting, annular spread are in inner canister side wall.The utility model employs the multistage continuous combination synergistic purification device of flue gas oxidation panel, multiphase air swirl scrubbing tower, dehydrating demisting tower, and scrubbing tower used improves absorption cleaning efficiency by forming multiple moisture film water curtain.
Description
Technical field
Fire coal boiler fume field of purification is the utility model is related to, specifically a kind of fire coal boiler fume Wet multi-stage
Wash multi-pollutant cleaning equipment integrated system.
Background technology
Coal-burning boiler is produced largely containing dust, SO2, nitrogen oxides coal-fired flue-gas, it is very big for atmosphere pollution, to combustion
Coal burning boiler gas cleaning is urgent problem to be solved.At present, country is existing《Emission standard of air pollutants for boilers》In clearly advise
Fixed, key area boiler is performed by the special emission limit of atmosphere pollution, and the existing coal heating boiler of northern area is due to cigarette
Gas environmental protection facility comes into operation, and the time is longer, and technique is backward and inefficient, is faced with the problem of fume emission is not up to standard.Flue gas
Dedusting technology is conventional mechanical cyclone centrifugal dust collection, electrostatic dedusting, filtering type bag-type dust etc., and desulfurization technology, which has in stove, sprays
Calcium method, lime/lime stone-gypsum, Dual alkali, rotary spraying and drying method etc., the selective catalytic reduction method of denitration technology
（SCR）With SNCR method（SNCR）, the above method has preferable when independently using for corresponding pollutant
Removal efficiency, will but for the fire coal boiler fume containing multi-pollutants such as particulate matter, sulfur dioxide, nitrogen oxides
The above method combines use, and rear end environment friendly system is more complicated and huge, and improvement expenses is high, and operating cost is high, and drops
It is low to each pollutant removing efficiency, floor space is big, especially for the heat supply company in urban inner, is available for transformation
Space is limited.
Utility model content
The purpose of this utility model is to solve the above problems, there is provided a kind of fire coal boiler fume with high purifying rate is wet
Fado level washs multi-pollutant cleaning equipment integrated system.
In order to solve the above problems, the technical solution adopted in the utility model is as follows：
Fire coal boiler fume Wet multi-stage washs multi-pollutant cleaning equipment integrated system, including flue gas oxidation panel, washing
Tower, gas-liquid separation device, flue gas oxidation panel rear portion set scrubbing tower, and scrubbing tower rear portion sets gas-liquid separation device, flue gas oxidation
Intersegmental part is provided with oxidant nozzle, it is characterised in that and scrubbing tower is multiphase air swirl scrubbing tower, and scrubbing tower main body is tower body,
Tower body top is smoke inlet, is provided with detergent nozzle at smoke inlet, and tower body bottom is exhanst gas outlet, inside tower body, washing
Moisture film water curtain forming apparatus is provided with below agent nozzle, the moisture film water curtain forming apparatus includes liquid uniforming cap, the equal liquid of cone shape
The spinning disk being arranged on below cap in inner canister side wall, inner canister are in cylindrical, spinning disk fore-and-aft tilt setting, annular spread
In inner canister side wall, spinning disk opposite side is fixedly connected with tower body inwall.
Optimization of the present utility model, moisture film water curtain forming apparatus lower section set the cone shape liquid collecting bucket of upper and lower opening, collection
Liquid bucket upper shed diameter is consistent with tower body diameter, and liquid collecting bucket under shed is small with respect to upper shed diameter.
Further optimize, the moisture film water curtain forming apparatus and liquid collecting bucket of the multilayer that is staggered from top to bottom inside tower body.
Further optimization, gas-liquid separation device are double-cyclone cyclone separator, including cylinder, the air inlet of cylinder middle and lower part
With the gas outlet above spiral centrifugal Scroll inlet air stack, cylinder, the liquid recovery part below cylinder, liquid recovery part bottom
Recovered liquid outside arrange mouth, body centre is provided with the interior rotating plate being vertically arranged, interior rotating plate upper end connector drum roof, interior rotating plate lower end
Liquid recovery part bottom is connected, interior rotating plate is along cylinder radially bending, and a number of inward turning plate benging direction is consistent, and ring-type cloth
Put, inward turning plate benging direction is consistent with the inlet air stack hand of spiral.
Further optimization, liquid recovery part bottom is in positive round cone-shaped, and center tilts from top to bottom to periphery, outside recovered liquid
Mouth is arranged at liquid recovery part bottom margin.
Operation principle of the present utility model is：
Flue gas oxidation panel：Strong oxidizer is sprayed into by nozzle in flue gas Strong oxdiative section horizontal segment, strong oxidizer can be smelly
Carrier of oxygen, hydrogen peroxide, containing hypochlorite or other there is the salt of strong oxidizing property ion, control flue gas is in Strong oxdiative section flow velocity
In 5m/s, the residence time is more than 1 second, makes flue gas have time enough to be aoxidized by strong oxidizer, flue gas middle or low price nitrogen oxides
The higher nitrogen oxides of liquid absorption can be washed by being oxidized to.
Multiphase air swirl scrubbing tower：Flue gas enters in tower from washing column overhead, and washing tower inlet nozzle sprays into cleaning solution,
Flue gas tentatively mixes in spraying zone with cleaning solution, and the particulate matter in flue gas is washed liquid and caught, and sulfur dioxide and high price nitrogen occur
Neutralization reaction is absorbed；Cleaning solution sprays to pyramid type liquid uniforming cap, and water membrane is formed on liquid uniforming cap surface, and downward flue gas reaches
During liquid uniforming cap, contacted with the moisture film on liquid uniforming cap surface, flue gas chemically reacts with moisture film on liquid uniforming cap surface, while fortune downwards
Dynamic flue gas has percussion to liquid uniforming cap, flue gas is preferably contacted with moisture film.Cleaning solution is due to having certain pressure and stream
Speed, rush at tower wall under effect of inertia when leaving liquid uniforming cap and form water curtain, flue gas makes cleaning solution aerosol dispersion when passing through water curtain, increase
The specific surface area of big gas-liquid contact, contacts hybrid reaction with cleaning solution again.When cleaning solution reaches spinning disk, due to each eddy flow
Piece is to be in tilted layout, and cleaning solution forms water curtain again when leaving spinning disk under effect of inertia, cleaning solution is disperseed mist again
Change, and the type of flow is changed into rotating when flue gas pass through spinning disk, drives liquid flowing, the alternate mass transfer of reinforcement gas, liquid, solid three
Effect, improves the surface area that flue gas contacts with detergent, improves purification efficiency.
Gas-liquid separation device is by cooling down, centrifuging gas-liquid mixture, so that the condensation of condensation composition, separation, Ran Hou
The gas componant is separated in cyclone separator from the liquid component of the condensation.
The beneficial effects of the utility model are：
（1）Scrubbing tower used in the utility model makes cleaning solution aerosol dispersion, increases gas by forming multiple moisture film water curtain
The specific surface area of liquid contact, by changing flue gas flow rate, current difference is produced with cleaning solution, strengthens effect of mass transmitting, further improves
Absorption cleaning efficiency；
（2）It is multistage continuous group that the utility model employs flue gas oxidation panel, multiphase air swirl scrubbing tower, dehydrating demisting tower
Synergistic purification device is closed, discharges flue gas particles≤20mg/m3, sulfur dioxide≤30mg/m3, nitrogen oxides≤150mg/m3, woods
The graceful blackness of lattice is less than 1 grade.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structure that the utility model fire coal boiler fume Wet multi-stage washs multi-pollutant cleaning equipment integrated system
Schematic diagram；
Fig. 2 is the vertical view that the utility model fire coal boiler fume Wet multi-stage washs multi-pollutant cleaning equipment integrated system
Structural representation；
Fig. 3 is the structural representation of the utility model scrubbing tower；
Fig. 4 is the structural representation of the utility model gas-liquid separation device；
Description of reference numerals：Flue gas oxidation panel -1, lateral oxidation section -11, vertical oxidation panel -12, oxidant nozzle -13,
Scrubbing tower -2, tower body -21, smoke inlet -22, detergent nozzle -23, moisture film water curtain forming apparatus -24, liquid uniforming cap 241, inner core
Cylinder -242, spinning disk -243, exhanst gas outlet -25, liquid collecting bucket -26, gas-liquid separation device -3, cylinder -31, air inlet -32, air inlet
Flue -33, gas outlet -34, liquid recovery part -35, recovered liquid arrange mouth -36, interior rotating plate -37 outside.
Embodiment
Preferred embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings, so that the advantages of the utility model
It can be easier to be readily appreciated by one skilled in the art with feature, it is apparent clear and definite so as to be made to the scope of protection of the utility model
Define.
Refering to shown in Figure of description 1 to Fig. 3, the utility model provides the washing of fire coal boiler fume Wet multi-stage more pollutions
Thing cleaning equipment integrated system, including flue gas oxidation panel 1, scrubbing tower 2, gas-liquid separation device 3, the rear portion of flue gas oxidation panel 1 are set
Scrubbing tower 2, the rear portion of scrubbing tower 2 set gas-liquid separation device 3, and the inside of flue gas oxidation panel 1 is provided with oxidant nozzle 13, flue gas oxidation
1 point of section is lateral oxidation section 11 and vertical oxidation panel 12, and helically type is distributed vertical oxidation panel 12, the flue gas oxidation panel of this structure
1 contributes to oxidant fully to be contacted with flue gas, and floor space is small；Washed characterized in that, scrubbing tower 2 is multiphase air swirl
Tower is washed, the main body of scrubbing tower 2 is tower body 21, and the top of tower body 21 is smoke inlet 22, and detergent nozzle 23 is provided with smoke inlet 22,
The bottom of tower body 21 is exhanst gas outlet 25, inside tower body 21, the lower section of detergent nozzle 23 be provided with moisture film water curtain forming apparatus 24, it is described
Moisture film water curtain forming apparatus 24 includes the liquid uniforming cap 241 of cone shape, the lower section of liquid uniforming cap 241 is arranged in the side wall of inner canister 242
Spinning disk 243, inner canister 242 is in cylindrical, and the fore-and-aft tilt setting of spinning disk 243, annular spread are in the side wall of inner canister 242
On, the opposite side of spinning disk 243 is fixedly connected with the inwall of tower body 21.
Oxidant nozzle 13 in present embodiment is connected with oxidant storage tank 4 by dnockout pumps.Detergent nozzle
23 are connected with detergent storage tank 5 by dnockout pumps, and the import of detergent storage tank 5 is connected with outer row's mouth of gas-liquid separation device 3, washing
The bottom of agent storage tank 5, which is provided with outside detergent, arranges mouth 51.
Present embodiment has the beneficial effect that：
（1）Scrubbing tower used in the utility model makes cleaning solution aerosol dispersion, increases gas by forming multiple moisture film water curtain
The specific surface area of liquid contact, by changing flue gas flow rate, current difference is produced with cleaning solution, strengthens effect of mass transmitting, further improves
Absorption cleaning efficiency.
（2）It is multistage continuous group that the utility model employs flue gas oxidation panel, multiphase air swirl scrubbing tower, dehydrating demisting tower
Synergistic purification device is closed, discharges flue gas particles≤20mg/m3, sulfur dioxide≤30mg/m3, nitrogen oxides≤150mg/m3, woods
The graceful blackness of lattice is less than 1 grade.
（3）Equipment can be with compact arrangement, and floor space is small, is especially suitable for being available for the space of transformation limited in urban inner
Heat supply company.
（4）Improvement expenses is low, and operating cost is low, and maintenance workload is few, and most of coal-burning boiler mixes stone in bunker coal
Ash enters hearth combustion together, and the pH value of boiler washing slag water is alkalescence, completely can be as the cleaning solution in Tthe utility model system
Practicality, reduce the consumption of desulfurizing agent.
（5）System energy consumption is low, water consumption is few.The treatment of wastes with processes of wastes against one another is realized by the use of boiler washing slag water as cleaning solution water, reduction,
Reduce the consumption of running water.
The optimization of above-mentioned embodiment, the lower section of moisture film water curtain forming apparatus 24 set the cone shape of upper and lower opening
Liquid collecting bucket 26, the upper shed diameter of liquid collecting bucket 26 is consistent with tower body diameter, and the under shed of liquid collecting bucket 26 is small with respect to upper shed diameter.Liquid collecting
Bucket is closing in vertebral body structure, flue gas and cleaning solution to converge in liquid collecting bucket, cleaning solution under effect of inertia inside liquid collecting bucket again
Form moisture film.Aisle spare between spinning disk is less than main tower sectional area, and flue gas flow velocity when by spinning disk gap accelerates, and
Sectional area becomes big when reaching inner canister and liquid collecting bucket intermediate region, and flue gas flow rate is slack-off, then when being exported by liquid collecting bucket, due to cutting
Area diminishes, and flue gas flow rate is accelerated again, the continually changing flue gas of flow velocity and due to Action of Gravity Field flow velocity accelerate cleaning solution not
Mixing is touched in disconnecting, is strengthened effect of mass transmitting, is further improved absorption cleaning efficiency.
Further optimize, the moisture film water curtain forming apparatus 24 and liquid collecting bucket of the multilayer that is staggered from top to bottom inside tower body 21
26.Multiple moisture film is advantageous to abundant contact, the purification of flue gas and detergent.
Refering to shown in Figure of description 4, further optimization, gas-liquid separation device 3 is double-cyclone cyclone separator, including cylinder
Under gas outlet 34, cylinder above body 31, the air inlet 32 of cylinder middle and lower part and spiral centrifugal Scroll inlet air stack 33, cylinder
Mouth 36 is arranged outside the liquid recovery part 35 of side, the recovered liquid of the bottom of liquid recovery part 35, body centre is provided with the inward turning being vertically arranged
Plate 37, the interior upper end connector drum roof of rotating plate 37, the interior lower end of rotating plate 37 connection liquid recovery part bottom, interior rotating plate 37 is along cylinder footpath
To bending, a number of inward turning plate benging direction is consistent, and annular configuration, the interior bending direction of rotating plate 37 and inlet air stack spiral
Direction is consistent.Outward turning flue is formed between cylinder and interior rotating plate outside, forms inward turning flue between interior rotating plate, flue gas spiral from
Vortex centrifugal motion is formed in vortex cordis shell-type inlet air stack, condenses, is condensed out in outward turning flue gas in flue centrifuges running
Liquid isolate under centrifugal force.When flue gas is run to inner barrel, flue gas encounters interior rotating plate, further cooling condensation,
And centrifuged again under the guiding of the inward turning flue formed in interior rotating plate, therefore the utility model further increases whirlwind
Separator dehydrating demisting effect, removing the drop in flue gas reduces smoke moisture, further improves gas cleaning efficiency.
For the ease of collecting outer row's recovered liquid, further optimization, liquid recovery part bottom 35 is in positive round cone-shaped, center to
Periphery is tilted from top to bottom, and mouth is arranged outside recovered liquid at liquid recovery part bottom margin.
The advantages of general principle of the present utility model, principal character and the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, retouching in above-described embodiment and specification
Preference only of the present utility model is stated, the utility model is not limited by above-mentioned preference, is not departing from the utility model
On the premise of spirit and scope, the utility model can also have various changes and modifications, and these changes and improvements both fall within this practicality
In new claimed scope.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. fire coal boiler fume Wet multi-stage wash multi-pollutant cleaning equipment integrated system, including flue gas oxidation panel, scrubbing tower,
Gas-liquid separation device, flue gas oxidation panel rear portion set scrubbing tower, and scrubbing tower rear portion sets gas-liquid separation device, in flue gas oxidation panel
Portion is provided with oxidant nozzle, it is characterised in that scrubbing tower is multiphase air swirl scrubbing tower, and scrubbing tower main body is tower body, tower body
Top is smoke inlet, is provided with detergent nozzle at smoke inlet, and tower body bottom is exhanst gas outlet, inside tower body, detergent spray
Moisture film water curtain forming apparatus is provided with below mouth, the moisture film water curtain forming apparatus is included under the liquid uniforming cap of cone shape, liquid uniforming cap
Side is arranged on spinning disk in inner canister side wall, and inner canister is in cylindrical, including spinning disk fore-and-aft tilt setting, annular spread
In core cylinder side wall, spinning disk opposite side is fixedly connected with tower body inwall.
2. fire coal boiler fume Wet multi-stage according to claim 1 washs multi-pollutant cleaning equipment integrated system, its
Be characterised by, the cone shape liquid collecting bucket of upper and lower opening be set below moisture film water curtain forming apparatus, liquid collecting bucket upper shed diameter with
Tower body diameter is consistent, and liquid collecting bucket under shed is small with respect to upper shed diameter.
3. fire coal boiler fume Wet multi-stage according to claim 2 washs multi-pollutant cleaning equipment integrated system, its
It is characterised by, the moisture film water curtain forming apparatus and liquid collecting bucket of the multilayer that is staggered from top to bottom inside tower body.
4. fire coal boiler fume Wet multi-stage according to claim 1 washs multi-pollutant cleaning equipment integrated system, its
It is characterised by, gas-liquid separation device is double-cyclone cyclone separator, including cylinder, the air inlet and spiral centrifugal of cylinder middle and lower part
The liquid recovery part below gas outlet, cylinder above Scroll inlet air stack, cylinder, outside the recovered liquid of liquid recovery part bottom
Mouth is arranged, body centre is provided with the interior rotating plate being vertically arranged, interior rotating plate upper end connector drum roof, and interior rotating plate lower end connection liquid returns
Receipts portion bottom, interior rotating plate is along cylinder radially bending, and a number of inward turning plate benging direction is consistent, and annular configuration, interior rotating plate
Bending direction is consistent with the inlet air stack hand of spiral.
5. fire coal boiler fume Wet multi-stage according to claim 4 washs multi-pollutant cleaning equipment integrated system, its
It is characterised by, liquid recovery part bottom is in positive round cone-shaped, and center tilts from top to bottom to periphery, and mouth is arranged outside recovered liquid and is located at liquid
At body recoverer bottom margin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720546137.6U CN206762536U (en) | 2017-05-17 | 2017-05-17 | Fire coal boiler fume Wet multi-stage washs multi-pollutant cleaning equipment integrated system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720546137.6U CN206762536U (en) | 2017-05-17 | 2017-05-17 | Fire coal boiler fume Wet multi-stage washs multi-pollutant cleaning equipment integrated system |
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| Publication Number | Publication Date |
|---|---|
| CN206762536U true CN206762536U (en) | 2017-12-19 |
Family
ID=60641010
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720546137.6U Expired - Fee Related CN206762536U (en) | 2017-05-17 | 2017-05-17 | Fire coal boiler fume Wet multi-stage washs multi-pollutant cleaning equipment integrated system |
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| Country | Link |
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| CN (1) | CN206762536U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022267089A1 (en) * | 2021-06-25 | 2022-12-29 | 格林美股份有限公司 | Liquid-gas mixing strengthening swirl apparatus |
-
2017
- 2017-05-17 CN CN201720546137.6U patent/CN206762536U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022267089A1 (en) * | 2021-06-25 | 2022-12-29 | 格林美股份有限公司 | Liquid-gas mixing strengthening swirl apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190531 Address after: 110000 No. 146 North Station Road, Shenhe District, Shenyang, Liaoning. Patentee after: LIAONING JET ENGINEERING ENERGY TECHNOLOGY CO., LTD. Address before: 110000 155-5 innovation road, Hunnan District, Shenyang, Liaoning Patentee before: Liaoning kiyi environmental Polytron Technologies Inc |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171219 Termination date: 20200517 |