CN205683787U - Desulfurization and dedusting minimum discharge integral system - Google Patents
Desulfurization and dedusting minimum discharge integral system Download PDFInfo
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- CN205683787U CN205683787U CN201620580113.8U CN201620580113U CN205683787U CN 205683787 U CN205683787 U CN 205683787U CN 201620580113 U CN201620580113 U CN 201620580113U CN 205683787 U CN205683787 U CN 205683787U
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- spraying layer
- casing
- serosity
- desulfurizing tower
- desulfurization
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Abstract
The utility model discloses a kind of desulfurization and dedusting minimum discharge integral system, relate to flue gas desulfurization and dedusting technical field, including sack cleaner, absorbent charcoal adsorber, desulfurizing tower, serosity pump and calcium carbonate serosity pond, described absorbent charcoal adsorber connects the air inlet of sack cleaner, the air vent of bag-type dust gas connects desulfurizing tower, the air vent of desulfurizing tower connects chimney, multiple doctor solution spraying layer it is provided with in desulfurizing tower, the serosity in calcium carbonate serosity pond is input in the nozzle of doctor solution spraying layer by serosity pump, upper strata cleanout fluid spraying layer connects clear water reserviors, lower floor and middle level cleanout fluid spraying layer connect clear water reserviors and hydrochloric acid pond.Clean spraying layer and connect acid solution, periodically the calcium carbonate scale of demister surface accumulation can be purged, coordinate multiple demister structure simultaneously, can the solution after cleanout fluid atomization be carried out except mist again, do not result in flue gas produces new containing Cl material.
Description
Technical field
The present invention relates to flue gas desulfurization and dedusting technical field, be specifically related to a kind of employing Limestone-gypsum Wet Flue Gas Desulfurization Process work
Skill and sack cleaner carry out the dedusting and desulphurization integrated system of dedusting.
Background technology
China Authorization Notice No. CN 204601985U discloses a kind of double alkali method desulfurizing system, sets at desulfurization regeneration groove
Agitating device；Desulfurization regeneration groove supernatant overflows in pH regulator pond, arranges NaOH regulation pipe in pH regulator pond, after regulation
Absorbing liquid squeeze into spray-absorption SO2 in spray desulfurizing tower by slurry circulating pump, the doctor solution after absorption is from spray desulfurizing tower
Desulfurization regeneration groove is entered by valve gravity flow at the bottom of tower；Spiral board, spiral nozzle, demister are installed in spray desulfurizing tower.
Either use double alkali method desulfurizing system or Limestone-gypsum Wet Flue Gas Desulfurization Process, all can be containing a small amount of in doctor solution
Calcium carbonate, when after long-time use, all can remain certain calcium carbonate scale on demister surface, the less entrance of sulfur-containing smoke gas
This region, acidity is more weak, is easiest to accumulate dirt.
Summary of the invention
The technical problem to be solved in the present invention is the deficiencies in the prior art, can enter the calcium carbonate of demister surface accumulation
The desulfurization and dedusting minimum discharge integral system that row is removed.
In order to solve above-mentioned technical problem, the technical solution used in the present invention is: a kind of desulfurization and dedusting minimum discharge one
Change system, including sack cleaner, absorbent charcoal adsorber, desulfurizing tower, serosity pump and calcium carbonate serosity pond, described activated carbon is inhaled
Adsorption device connects the air inlet of sack cleaner, and the air vent of bag-type dust gas connects desulfurizing tower, and the air vent of desulfurizing tower connects
Chimney, is provided with multiple doctor solution spraying layer in desulfurizing tower, the serosity in calcium carbonate serosity pond is input to doctor solution by serosity pump and sprays
Drenching in the nozzle of layer, doctor solution spraying layer is arranged over demister, and described demister is two-layer, and the impeller clearance on upper strata is less than down
The impeller clearance of layer, the lower surface of the upper surface of described lower floor demister, lower surface and upper strata demister is provided with cleanout fluid spray
Layer, upper strata cleanout fluid spraying layer connects clear water reserviors, lower floor and middle level cleanout fluid spraying layer and connects clear water reserviors and hydrochloric acid pond.
As this utility model improvement in terms of dedusting, described sack cleaner includes casing, support and pulse dust cleaning
System, is provided with multiple filter bag in casing, casing is arranged on support, is provided with multiple ash and trembles, be provided with multiple in casing below casing
Casing is divided into the dividing plate of independent filter chamber, and filter chamber is provided above a total air-purifying chamber, and the outlet of air-purifying chamber is arranged on
On casing, the corresponding ash in each filter chamber is trembled, and each independent filter chamber is arranged over carrying of break-make air-purifying chamber and filter chamber
Lift valve, smoke air inlet is arranged on casing, and smoke air inlet connects the ash below each independent filter chamber by bronchial
Trembling, bronchial is provided with flue gas stop valve.
As the further improvement of technique scheme, described filter chamber is also arranged above a relief valve.Further
, it is provided with activated carbon granule adsorption zone and active carbon powder adsorption zone in described active carbon powder adsorbent equipment.
From technique scheme, it can be seen that the invention have the advantages that the cleaning spraying layer of middle level and lower floor connects
Acid solution, periodically can be purged the calcium carbonate scale of demister surface accumulation, coordinate multiple demister structure simultaneously, permissible
Solution after being atomized cleanout fluid carries out except mist again, do not result in flue gas produces new containing Cl material.
Accompanying drawing explanation
Fig. 1 is process chart of the present utility model
Fig. 2 is the structural representation of desulfurizing tower in this utility model；
Fig. 3 is the structural representation of sack cleaner in this utility model；
Fig. 4 is the structural representation of sack cleaner in this utility model；
Shown in figure: 1, shake motor；2, ash is trembled；3, bronchial；4, flue gas stop valve；5, filter bag；6, dividing plate；7, cigarette
Gas air inlet；8, air-purifying chamber air vent；9, air-purifying chamber；10, relief valve；11, valve is promoted；12, baffle plate；13, filter chamber；14, case
Body；15, doctor solution spraying layer；16, clear water spraying layer；17, demister.
Detailed description of the invention
Below in conjunction with accompanying drawing, the detailed description of the invention of the present invention is elaborated
As it is shown in figure 1, desulfurization and dedusting minimum discharge integral system of the present utility model, including sack cleaner, activity
Charcoal adsorbent equipment, desulfurizing tower, serosity pump and calcium carbonate serosity pond, absorbent charcoal adsorber connects the air inlet of sack cleaner,
Activated carbon granule adsorption zone and active carbon powder adsorption zone, the work in granular absorption district it is provided with in described active carbon powder adsorbent equipment
The harmful substances such as two English that flue gas can be contained by property charcoal adsorb, and the activated carbon of powder zone entered with flue gas
Filter chamber, and then it is distributed in the surface of filter bag, further the harmful substances such as two English in flue gas are adsorbed.
As shown in Figure 1, 2, the air vent of bag-type dust gas connects desulfurizing tower, and the air vent of desulfurizing tower connects chimney, desulfurization
Being provided with multiple doctor solution spraying layer 15 in tower, the serosity in calcium carbonate serosity pond is input to the spray of doctor solution spraying layer by serosity pump
In mouth, doctor solution spraying layer is arranged over demister 17, and described demister 17 is two-layer, and the impeller clearance on upper strata is less than lower floor
Impeller clearance, the lower surface of the upper surface of described lower floor demister, lower surface and upper strata demister is provided with cleanout fluid spraying layer 16,
Upper strata cleanout fluid spraying layer connects clear water reserviors, and lower floor and middle level cleanout fluid spraying layer 16 connect clear water reserviors and hydrochloric acid pond.
Flue gas enters on the downside of absorption tower and absorbs serosity counter current contacting, carries out absorbing reaction, to falling into absorption in tower
The reactant of tower stock tank carries out oxidation reaction again, obtains desulfuration byproduct dihydrate gypsum.The chemical reaction equation of the two process
Formula is as follows:
CaCO3+H2O+SO2----CaSO3·1/2H2O+CO2
2CaSO3·1/2H2O+O2+3H2O=2CaSO4·2H2O
The cleaning spraying layer of middle level and lower floor connects acid solution, periodically can enter the calcium carbonate scale of demister surface accumulation
Row is removed, and coordinates multiple demister structure simultaneously, and the solution after can being atomized cleanout fluid is carried out again except mist, does not results in cigarette
Gas produce new containing Cl material.
The sack cleaner structure used in native system is as follows: as shown in Figures 2 and 3, including casing 14, support and pulse
Soot cleaning system, soot cleaning system includes the winding-up gas bag, the electromagnetic impulse valve that are arranged in the rain insensitive device of top and is arranged on top box
Winding-up pipeline etc. in body, is provided with multiple filter bag 5 in casing 14, casing 14 is arranged on support, is provided with multiple ash below casing
Trembling 2, each ash is trembled and is provided with a shake motor 1, is provided with multiple dividing plate 6 that casing is divided into independent filter chamber 13 in casing 14,
Filter chamber 13 is provided above a total air-purifying chamber 9, and the outlet of air-purifying chamber 9 is arranged on casing 14, and each filter chamber is corresponding
One ash trembles 2, and each independent filter chamber is arranged over the lifting valve 11 of break-make air-purifying chamber 9 and filter chamber, and smoke air inlet 7 sets
Putting on casing, smoke air inlet 7 connects the ash below each independent filter chamber by bronchial 4 and trembles 2, in bronchial 4
It is provided with flue gas stop valve 3.Filter chamber 13 is additionally provided with a relief valve 10.
Filtration system is made up of porous plate (card), filter bag, cage bone, is cased with a filter bag outside each cage bone,.Cleaner unit
Card, as dust catcher gas purifying chamber and the separation of filter chamber, is used for hanging filter bay assembly, simultaneously will be as filter bag of dust collector assembly
Inspection platform, relief valve 10 can be arranged on card.
Being provided with tilted-putted baffle plate 12 with smoke air inlet 7 correspondence position in casing 14, baffle plate 12 advances with flue gas
Direction is the angle of 40-50 °.When dusty gas is after air inlet enters dust-precipitator, initially strike the inclined clapboard in the middle of air inlet,
Air-flow just turns to inflow ash bucket, and air velocity is slack-off simultaneously, due to gravitational settling effect, makes crude particle dust in gas directly fall
Enter ash bucket, play the pre-effect gathered dust
Coverboard dividing plate is divided into some independent dust chambers, carries out each dust chamber in turn according to given time interval
Deashing, each dust chamber, equipped with a lifting valve, promotes valve and closes, cut through the filtered airflow of this dust chamber during deashing, with
I.e. pulse valve is opened, and sprays into anhydrous oil-free high pressure cleaning air, to remove the dust on filter bag outer surface in filter bag.Respectively gather dust
The pulse jet width of room and cleaning cycle, carried out by special deashing extent control device Automatic continuous.
First closing before each bin deashing and promote valve, deashing opens lifting valve after completing, due to after closing lifting valve
Air-purifying chamber is in high negative pressure state so that promotes valve and opens the pulling force that needs are bigger, therefore at the gas approach of each bin
After being provided with flue gas stop valve, before deashing, first close flue gas stop valve, make whole filtration bin and air-purifying chamber be in same negative pressure
Under state, so that the on an off promoting valve need not bigger thrust and pulling force, protect cylinder, simultaneously convenient can carry out from
Line overhauls, it is also possible to improve cleaning efficiency etc..In like manner, relief valve can also play phase same-action, and relief valve can make after opening
Air-purifying chamber keeps identical with the air pressure of filter chamber.
Claims (4)
1. a desulfurization and dedusting minimum discharge integral system, including sack cleaner, absorbent charcoal adsorber, desulfurizing tower, slurry
Liquid pump and calcium carbonate serosity pond, described absorbent charcoal adsorber connects the air inlet of sack cleaner, the aerofluxus of bag-type dust gas
Mouth connection desulfurizing tower, the air vent of desulfurizing tower connects chimney, is provided with multiple doctor solution spraying layer (15) in desulfurizing tower, and calcium carbonate is starched
The serosity of liquid pool is input in the nozzle of doctor solution spraying layer by serosity pump, and doctor solution spraying layer is arranged over demister
(17), it is characterised in that: described demister (17) is two-layer, the impeller clearance on upper strata less than the impeller clearance of lower floor, described under
The lower surface of the layer upper surface of demister, lower surface and upper strata demister is provided with cleanout fluid spraying layer (16), and upper strata cleanout fluid sprays
Drench layer and connect clear water reserviors, lower floor and middle level cleanout fluid spraying layer (16) connection clear water reserviors and hydrochloric acid pond.
Desulfurization and dedusting minimum discharge integral system the most according to claim 1, it is characterised in that: described sack cleaner
Including casing (14), support and pulse dust cleaning system, being provided with multiple filter bag (5) in casing (14), casing (14) is arranged on support
On, it is provided with multiple ash below casing and trembles (2), in casing (14), be provided with multiple dividing plate that casing is divided into independent filter chamber (13)
(6), filter chamber (13) be provided above a total air-purifying chamber (9), the outlet of air-purifying chamber (9) is arranged on casing (14), often
The corresponding ash in individual filter chamber is trembled (2), and each independent filter chamber is arranged over the lifting valve of break-make air-purifying chamber (9) and filter chamber
(11), smoke air inlet (7) is arranged on casing, and smoke air inlet (7) connects each independent filter chamber by bronchial (4)
The ash of lower section is trembled (2), and bronchial (4) is provided with flue gas stop valve (3).
Desulfurization and dedusting minimum discharge integral system the most according to claim 2, it is characterised in that: described filter chamber upper
Side is additionally provided with a relief valve.
Desulfurization and dedusting minimum discharge integral system the most according to claim 1, it is characterised in that: described active carbon powder
Activated carbon granule adsorption zone and active carbon powder adsorption zone it is provided with in adsorbent equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620580113.8U CN205683787U (en) | 2016-06-13 | 2016-06-13 | Desulfurization and dedusting minimum discharge integral system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620580113.8U CN205683787U (en) | 2016-06-13 | 2016-06-13 | Desulfurization and dedusting minimum discharge integral system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205683787U true CN205683787U (en) | 2016-11-16 |
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ID=57428407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620580113.8U Expired - Fee Related CN205683787U (en) | 2016-06-13 | 2016-06-13 | Desulfurization and dedusting minimum discharge integral system |
Country Status (1)
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| CN (1) | CN205683787U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108514806A (en) * | 2018-03-31 | 2018-09-11 | 广西金茂生物化工有限公司 | A kind of flue gas desulfurization device and method |
| CN109821390A (en) * | 2019-03-28 | 2019-05-31 | 杭州知桔科技有限公司 | A kind of fume environment protection desulphurization plant group for power plant burning system |
| CN110280109A (en) * | 2019-07-03 | 2019-09-27 | 徐州益康环保科技有限公司 | Device is used in a kind of purification of environment-protecting type exhaust air |
-
2016
- 2016-06-13 CN CN201620580113.8U patent/CN205683787U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108514806A (en) * | 2018-03-31 | 2018-09-11 | 广西金茂生物化工有限公司 | A kind of flue gas desulfurization device and method |
| CN109821390A (en) * | 2019-03-28 | 2019-05-31 | 杭州知桔科技有限公司 | A kind of fume environment protection desulphurization plant group for power plant burning system |
| CN110280109A (en) * | 2019-07-03 | 2019-09-27 | 徐州益康环保科技有限公司 | Device is used in a kind of purification of environment-protecting type exhaust air |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161116 Termination date: 20170613 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |