CN205760646U - Three waste burning total systems - Google Patents
Three waste burning total systems Download PDFInfo
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- CN205760646U CN205760646U CN201620533515.2U CN201620533515U CN205760646U CN 205760646 U CN205760646 U CN 205760646U CN 201620533515 U CN201620533515 U CN 201620533515U CN 205760646 U CN205760646 U CN 205760646U
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Abstract
The utility model discloses a kind of three waste burning total systems, including solid waste conveyer, liquid waste conveyance conduit, fuel channel and combustion gas duct, rotary kiln, dual firing chamber, water-cooled integrator, chilling tower, spray scrubber, bag-type dust collector, reheater and chimney composition, also include film-falling absorption tower, the gas approach of film-falling absorption tower connects bag-type dust collector, the directly or indirectly connection spray scrubber of film-falling absorption tower, the leakage fluid dram of film-falling absorption tower connects a circulating pump, circulating pump reconnects the inlet of film-falling absorption tower, it is provided with precooler at the air inlet of film-falling absorption tower, the hydrogen chloride gas that film-falling absorption tower can effectively absorb in gas is set, after film-falling absorption tower absorbs, can effectively reduce the consumption of alkali liquor in spray scrubber, and acid solution can be obtained.
Description
Technical field
This utility model relates to waste incineration and tail gas disposal technique field, is specifically related to a kind of solid waste and liquid gives up
Expect mixed burning and exhaust treatment system and method.
Background technology
Now solid waste and liquid waste are processed the method that separately process processes that mostly uses, had both been respectively adopted solely
Solid waste and liquid waste are burnt by vertical incinerator, be also adopted by after burning independent exhaust treatment system to burning after
The tail gas produced processes, and equipment rate rate is low.
Also have solid waste and liquid waste mixed burning, the equipment of tail gas, solid-liquid mixed combustion are then uniformly processed
After can produce and include dust, NOx, SO2, HCl and heavy metal class and two English etc., and to sulfur-bearing and chlorination in existing technology
The method processing employing alkali liquor spray mostly of hydrogen, the utility model such as public announcement of a patent application CN 103994447A is special
Profit discloses a kind of gas-solid-liquid integration CIU, including feeding system, rotary furnace, incinerator, waste heat boiler, heat exchanger,
Chilling tower, flue gas dry-type washing system, bag-type dust collector, spray column, reheater and chimney composition.Its physics dust arrester is
Sack cleaner, by spray column spray alkali liquor to the SO in flue gas2Absorb with HCl.Simple in construction, then said system
Need to consume a large amount of alkali liquor.
Utility model content
It is comprehensive that the technical problems to be solved in the utility model is to provide a kind of three waste burnings that can reduce alkali liquor consumption
Processing system.
In order to solve above-mentioned technical problem, the technical solution adopted in the utility model is: a kind of three waste burning integrated treatments
System, including solid waste conveyer, liquid waste conveyance conduit, be provided with the waste gas pipeline road of spark arrester, fuel channel and
Combustion gas duct, rotary kiln, dual firing chamber, water-cooled integrator, chilling tower, spray scrubber, bag-type dust collector, reheater and
Chimney, wherein waste gas pipeline road is connected with dual firing chamber, also includes film-falling absorption tower, and the gas approach of film-falling absorption tower connects
Bag-type dust collector, film-falling absorption tower directly or indirectly connects spray scrubber, and the leakage fluid dram of film-falling absorption tower connects one
Circulating pump, circulating pump reconnects the inlet of film-falling absorption tower, is provided with precooler at the air inlet of film-falling absorption tower.
Further, being additionally provided with desulfurizing tower between spray scrubber and film-falling absorption tower, the air inlet of desulfurizing tower connects fall
The air vent on film absorption tower, the leakage fluid dram of desulfurizing tower connects a regenerated reactor persistently supplementing Calx, and regenerated reactor reconnects one
Sedimentation tank, sedimentation tank reconnects a circulatory pool that can supplement soda, has soda, in desulfurization in circulatory pool within the starting stage
The upper part of tower is provided with demister, and demister is divided into upper and lower two-layer, and the impeller clearance on upper strata is less than the impeller clearance of lower floor, described
The lower surface of the upper surface of lower floor's demister, lower surface and upper strata demister is provided with flooding nozzle layer, and flooding nozzle layer is by band
The pipeline having switch connects the leakage fluid dram of film-falling absorption tower, and the air vent of desulfurizing tower connects the air inlet of spray scrubber.
Further, connected between chilling tower and sack cleaner the work that active carbon quantitative is sent into flue
Property charcoal injection apparatus
Further, described sack cleaner, including casing, support and pulse dust cleaning system, in casing, it is provided with multiple filter
Bag, casing is arranged on support, is provided with multiple ash bucket below casing, is provided with and multiple casing is divided into independent filter chamber in casing
Dividing plate, filter chamber is provided above a total air-purifying chamber, and the outlet of air-purifying chamber is arranged on casing, each filter chamber correspondence one
Individual ash bucket, each independent filter chamber is arranged over the lifting valve of break-make air-purifying chamber and dirt pocket, and gas approach is arranged on casing
On, gas approach connects the ash bucket below each independent filter chamber by bronchial, and bronchial is provided with flue gas stop valve,
Described filter chamber is additionally provided with a relief valve, is provided with active carbon powder adding set, described activated carbon powder at described gas approach
The discharging opening connection gas approach of end adding set.
From technique scheme, it can be seen that this utility model has the following advantages, use film-falling absorption tower and desulfurization phase
The structure coordinated, in the case of not consuming alkali liquor, can remove the gas such as substantial amounts of hydrogen chloride and sulfur dioxide in tail gas, then
Utilize a small amount of alkali liquor to wash in spray scrubber, can save alkali liquor, and utilize the acid solution in film-falling absorption tower can
So that dirt on the demister in desulfurizing tower is carried out, it is achieved the Appropriate application of resource, the activated carbon that sack cleaner is arranged
Powder adding set coordinates filter bag can remove two English further, arranges gas heat exchanger and liquid heat-exchanger can be efficient
Utilize the energy.
Accompanying drawing explanation
Fig. 1 is fume treatment flow chart of the present utility model；
Fig. 2 is desulfurization process chart in this utility model；
Fig. 3 is the structural representation of the sack cleaner in this utility model；
Fig. 4 is the structural representation of the sack cleaner in this utility model；
Shown in figure: shown in figure: 1, shake motor；2, ash bucket；3, bronchial；4, flue gas stop valve；5, filter bag；6、
Dividing plate；7, gas approach；8, air-purifying chamber air vent；9, air-purifying chamber；10, relief valve；11, valve is promoted；12, baffle plate；13, activated carbon
Powder adding set；14, casing.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is elaborated.
Three waste burning total systems of the present utility model are as it is shown in figure 1, include solid waste conveyer, liquid waste
Conveyance conduit, waste gas pipeline road, fuel channel and combustion gas duct, rotary kiln, dual firing chamber, water-cooled integrator, chilling tower,
Spray scrubber, bag-type dust collector, reheater and chimney, waste gas pipeline road is provided with spark arrester and is connected with dual firing chamber,
Also including film-falling absorption tower, the gas approach of film-falling absorption tower connects bag-type dust collector, film-falling absorption tower directly or
Connecing spray scrubber in succession, the leakage fluid dram of film-falling absorption tower connects a circulating pump, and circulating pump reconnects entering of film-falling absorption tower
Liquid mouth, is provided with precooler at the air inlet of film-falling absorption tower.Also including G-G heat exchanger and liquid heat-exchanger, described water-cooled is integrated
Device is jacket type structure, is provided with feed pipe in water-cooled integrator, and feed pipe connects a liquid heat-exchanger, and liquid heat-exchanger is arranged
On liquid waste conveyance conduit, G-G heat exchanger connects water-cooled integrator and combustion gas duct respectively, and chilling tower and cloth bag remove
Connect between dirt device one and active carbon quantitative has been sent into the activated carbon injection apparatus of flue.
The hydrogen chloride gas that film-falling absorption tower can effectively absorb in gas is set, after film-falling absorption tower absorbs, Ke Yiyou
Effect reduces the consumption of alkali liquor in spray scrubber, and can obtain acid solution.And it is respectively provided with gas heat exchanger and liquid heat exchange
Device preheats to combustion gas or waste liquid, can save the energy further.
As in figure 2 it is shown, be additionally provided with desulfurizing tower between spray scrubber and film-falling absorption tower, the air inlet of desulfurizing tower connects fall
The air vent on film absorption tower, the leakage fluid dram of desulfurizing tower connects a regenerated reactor persistently supplementing Calx, and regenerated reactor reconnects one
Sedimentation tank, sedimentation tank reconnects a circulatory pool that can supplement soda, has soda, in desulfurization in circulatory pool within the starting stage
The upper part of tower is provided with demister, and demister is divided into upper and lower two-layer, and the impeller clearance on upper strata is less than the impeller clearance of lower floor, described
The lower surface of the upper surface of lower floor's demister, lower surface and upper strata demister is provided with flooding nozzle layer, and flooding nozzle layer is by band
The pipeline having switch connects the leakage fluid dram of film-falling absorption tower, and flooding nozzle layer is also connected with fresh water pipeline, when dirt accumulation is more,
And when dirt contains calcium hydroxide and calcium carbonate, carrying out scrubbing by pickle, the air vent of desulfurizing tower connects spray washing
The air inlet of tower.
Desulfurization uses double alkali method desulfurizing, and double alkali method desulfurizing the most only consumes Calx, do not consumes soda, but due to desulfurization
Slag band water can make doctor solution lose a part of sodium ion, and adding the oxygen in flue gas can be by part Na2SO3It is oxidized to Na2SO4
(during circulated sprinkling, Na2SO4SO can not be absorbed2), therefore a small amount of soda or spent lye need to be supplemented in circulatory pool.
The basic principles of chemistry can be divided into sweetening process and regenerative process two parts.
SO is absorbed in tower2
Na2CO3+SO2=Na2SO3+CO2 (1)
Na2SO3+SO2+H2O=2NaHSO3 (2)
2NaOH+SO2=Na2SO3+H2O (3)
The startup stage that its Chinese style (1) being, soda ash solution absorbs SO2Reactional equation, formula (2) is the dominant response of running
Formula, formula (3) be regenerated liquid PH higher time dominant response formula.
Regenerate with slaked lime
Ca(OH)2+Na2SO3+1/2H2O=2NaOH+CaSO3·1/2H2O
Ca(OH)2+2NaHSO3=Na2SO3+CaSO3·1/2H2O+3/2H2O
In lime slurry (Calx reaches saturated situation), NaHSO3Quickly with Ca (OH)2React thus discharge [Na+], [SO3 2-] and [Ca2+] reaction, the CaSO that reaction generates3Precipitate so that [Na with hemihydrate form+] obtain again
Raw.Na2CO3Simply one starts alkali, and actually consume after starting is Calx, does not the most consume soda (simply meeting during scarfing cinder
Band more also, is had loss by dioxygen oxidation in flue gas, thus has a small amount of loss), NaOH and Na of regeneration2SO3Follow Deng desulfurizing agent
Ring uses.
The sack cleaner structure used in native system is as follows: as shown in Figure 3 and Figure 4, 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
Bucket 2, each ash bucket is provided with a shake motor 1, is provided with multiple dividing plate 6 that casing is divided into independent filter chamber, removes in casing 14
Dirt room be provided above a total air-purifying chamber 9, the outlet of air-purifying chamber 9 is arranged on casing 14, corresponding one of each dirt pocket
Ash bucket 2, each independent dirt pocket is arranged over the lifting valve 11 of break-make air-purifying chamber 9 and dirt pocket, and gas approach 7 is arranged on case
On body, gas approach 7 connects the ash bucket 2 below each independent filter chamber by bronchial 4, and bronchial 4 is provided with flue gas
Stop valve 3.Dirt pocket 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.
It is provided with tilted-putted baffle plate 12 with gas approach 7 correspondence position, baffle plate 12 and flue gas advance side in casing 14
To in 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
Flue gas can contain two English, and traditional sack cleaner is to arrange activated carbon granule or activity at gas approach
Charcoal sealing coat adsorbs, and is provided with active carbon powder adding set 13, described activated carbon in this utility model at gas approach 7
Powder adding set 13 discharging opening connection gas approach 7, a small amount of activity he can carry out filtering area with flue gas by powder, subsequently can
Absorption is on filter bag surface, and active carbon powder now and flue gas are in the contact area of maximum, and energy active adsorption two English, when long-pending
When tiring out a certain amount of, after activity reduces, the activated carbon on cloth bag surface can be removed by soot cleaning system, and postorder is by activated carbon new for absorption.
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.
The invention also discloses a kind of three waste burning total system methods utilizing the said equipment, mainly simultaneously
Comprise the following steps:
1) deliver to turn round by solid waste and liquid waste by fighter's elevator and pipeline platform and nebulizer respectively
Kiln burns, and kiln temperature is between 850 DEG C～1000 DEG C；By exhaust piping, gaseous waste is delivered into dual firing chamber,
2) flue gas produced after burning is sent into dual firing chamber and is continued to burn, and dual firing chamber's temperature controls more than 1100 °, controls
Flue gas was more than 2 seconds in the time of staying of dual firing chamber；
3) flue gas that dual firing chamber produces is entered water-cooled dust arrester, tentatively go out the dust in flue gas, by flue gas with integrated
Feedwater in device carries out heat exchange, and flue-gas temperature is reduced to less than 800 °, feedwater is heated to more than 90 ° simultaneously, is led to by hot water
Liquid heat-exchanger and liquid waste carry out heat exchange.
4) the most again the flue gas through water-cooled dust arrester is introduced G-G heat exchanger and continue recovered flue gas heat, by combustion-supporting sky
Gas is preheating to 250～350 DEG C, and flue-gas temperature is reduced to 550～650 DEG C.
5) flue gas step 4 processed introduces chilling tower, and flue-gas temperature was reduced in one second 180～220 degree；
6) flue gas step 5 processed carries out activated carbon adsorption, after absorption, flue gas is introduced sack cleaner, removes
Dirt.
7) flue gas after dedusting is introduced film-falling absorption tower, absorbing hydrogen chloride gas, a circulating pump is set falling liquid film is inhaled
It is re-introduced into film-falling absorption tower after receiving in tower the solution dilution after absorbing hydrogen chloride gas；
8) flue gas that film-falling absorption tower is discharged is introduced desulfurizing tower and carry out desulfurization；
9) flue gas introduces after desulfurization completes spray scrubber, and wash solution uses sodium hydroxide solution
10) discharge after the solution after washing being reheated.
Wherein: the air inlet of desulfurizing tower connects the air vent of film-falling absorption tower, the leakage fluid dram connection one of desulfurizing tower continues
Supplementing the regenerated reactor of Calx, regenerated reactor reconnects a sedimentation tank, and sedimentation tank reconnects a circulatory pool that can supplement soda,
Having soda in circulatory pool within the starting stage, the upper part at desulfurizing tower is provided with demister, and demister is divided into upper and lower two-layer, upper strata
Impeller clearance less than the impeller clearance of lower floor, the upper surface of described lower floor demister, lower surface and the following table of upper strata demister
Face is provided with flooding nozzle layer, and flooding nozzle layer passes through to connect the leakage fluid dram of film-falling absorption tower with the pipeline of switch, desulfurizing tower
Air vent connects the air inlet of spray scrubber.
To sum up: use the structure that film-falling absorption tower and desulfurization match in the case of not consuming alkali liquor, tail can be removed
The gas such as substantial amounts of hydrogen chloride and sulfur dioxide in gas, recycling a small amount of alkali liquor washs in spray scrubber, permissible
Save alkali liquor, and utilize the acid solution in film-falling absorption tower can dirt on the demister in desulfurizing tower be carried out, real
The Appropriate application of existing resource, the active carbon powder adding set that sack cleaner is arranged coordinates filter bag can remove two further
English, arranges gas heat exchanger and liquid heat-exchanger can utilize the energy efficiently.
Claims (5)
1. a three waste burning total system, including solid waste conveyer, liquid waste conveyance conduit, is provided with spark arrester
Waste gas pipeline road, fuel channel and combustion gas duct, rotary kiln, dual firing chamber, water-cooled integrator, chilling tower, spray wash
Washing tower, bag-type dust collector, reheater and chimney, wherein waste gas pipeline road is connected with dual firing chamber, it is characterised in that: also include
Film-falling absorption tower, the gas approach of film-falling absorption tower connects bag-type dust collector, and film-falling absorption tower directly or indirectly connects spray
Drenching scrubbing tower, the leakage fluid dram of film-falling absorption tower connects a circulating pump, and circulating pump reconnects the inlet of film-falling absorption tower, falling liquid film
It is provided with precooler at the air inlet on absorption tower.
Three waste burning total systems the most according to claim 1, it is characterised in that: spray scrubber and falling film absorption
Being additionally provided with desulfurizing tower between tower, the air inlet of desulfurizing tower connects the air vent of film-falling absorption tower, and the leakage fluid dram of desulfurizing tower connects one
The individual regenerated reactor persistently supplementing Calx, regenerated reactor reconnects a sedimentation tank, and sedimentation tank reconnects one can supplement soda
Circulatory pool, has soda within the starting stage in circulatory pool, the upper part at desulfurizing tower is provided with demister, and demister is divided into upper and lower two
Layer, the impeller clearance on upper strata is less than the impeller clearance of lower floor, the upper surface of described lower floor demister, lower surface and upper strata demister
Lower surface be provided with flooding nozzle layer, flooding nozzle layer by connecting the leakage fluid dram of film-falling absorption tower with the pipeline of switch, de-
The air vent of sulfur tower connects the air inlet of spray scrubber.
Three waste burning total systems the most according to claim 2, it is characterised in that: also include G-G heat exchanger and liquid
Body heat exchanger, described water-cooled integrator is jacket type structure, is provided with feed pipe in water-cooled integrator, and feed pipe connects a liquid
Heat exchanger, liquid heat-exchanger is arranged on liquid waste conveyance conduit, and G-G heat exchanger connects water-cooled integrator and combustion-supporting gas respectively
Body pipeline.
Three waste burning total systems the most according to claim 2, it is characterised in that: chilling tower and sack cleaner it
Between connected one active carbon quantitative sent into the activated carbon injection apparatus of flue.
Three waste burning total systems the most according to claim 4, it is characterised in that: described sack cleaner includes case
Body (14), support and pulse dust cleaning system, be provided with multiple filter bag (5) in casing (14), casing (14) is arranged on support, case
It is provided with multiple ash bucket (2) below body, in casing (14), is provided with multiple dividing plate (6) that casing is divided into independent filter chamber, filter chamber
Be provided above a total air-purifying chamber (9), the outlet of air-purifying chamber (9) is arranged on casing (14), each filter chamber correspondence one
Individual ash bucket (2), each independent filter chamber is arranged over the lifting valve (11) of break-make air-purifying chamber (9) and dirt pocket, gas approach
(7) being arranged on casing, gas approach (7) connects the ash bucket (2) below each independent filter chamber by bronchial (4),
Feed channel (4) is provided with flue gas stop valve (3), and described filter chamber is additionally provided with a relief valve (10), described gas approach (7) place
It is provided with active carbon powder adding set (13), discharging opening connection gas approach (7) of described active carbon powder adding set (13).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620533515.2U CN205760646U (en) | 2016-06-02 | 2016-06-02 | Three waste burning total systems |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620533515.2U CN205760646U (en) | 2016-06-02 | 2016-06-02 | Three waste burning total systems |
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| CN205760646U true CN205760646U (en) | 2016-12-07 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105964144A (en) * | 2016-06-02 | 2016-09-28 | 江苏三井环保股份有限公司 | Three waste incineration comprehensive treatment system and method |
| CN107285599A (en) * | 2017-08-08 | 2017-10-24 | 哈尔滨华崴重工有限公司 | Energy-autarchic type sludge drying is equipped with Incineration in CFB and tail gas clean-up |
| CN108644781A (en) * | 2018-05-22 | 2018-10-12 | 江苏和顺环保有限公司 | A kind of high combustion efficiency and environmentally friendly incinerator and its implementation |
| CN108726614A (en) * | 2018-05-31 | 2018-11-02 | 平原中德泰兴环保科技装备有限公司 | A kind of industrial waste treatment process and its device |
-
2016
- 2016-06-02 CN CN201620533515.2U patent/CN205760646U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105964144A (en) * | 2016-06-02 | 2016-09-28 | 江苏三井环保股份有限公司 | Three waste incineration comprehensive treatment system and method |
| CN107285599A (en) * | 2017-08-08 | 2017-10-24 | 哈尔滨华崴重工有限公司 | Energy-autarchic type sludge drying is equipped with Incineration in CFB and tail gas clean-up |
| CN108644781A (en) * | 2018-05-22 | 2018-10-12 | 江苏和顺环保有限公司 | A kind of high combustion efficiency and environmentally friendly incinerator and its implementation |
| CN108726614A (en) * | 2018-05-31 | 2018-11-02 | 平原中德泰兴环保科技装备有限公司 | A kind of industrial waste treatment process and its device |
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