CN107362632A - A kind of energy-efficient sulfur-containing flue gas purifying system - Google Patents
A kind of energy-efficient sulfur-containing flue gas purifying system Download PDFInfo
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- CN107362632A CN107362632A CN201710641498.3A CN201710641498A CN107362632A CN 107362632 A CN107362632 A CN 107362632A CN 201710641498 A CN201710641498 A CN 201710641498A CN 107362632 A CN107362632 A CN 107362632A
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- gas
- flue gas
- heat exchange
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/02—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1456—Removing acid components
- B01D53/1468—Removing hydrogen sulfide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1456—Removing acid components
- B01D53/1481—Removing sulfur dioxide or sulfur trioxide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
- B01D53/185—Liquid distributors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/32—Packing elements in the form of grids or built-up elements for forming a unit or module inside the apparatus for mass or heat transfer
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/008—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases cleaning gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/02—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention discloses a kind of energy-efficient sulfur-containing flue gas purifying system, including heat reclamation device, desulfurizer and liquid tank；The heat reclamation device opens one for two heat recovery towers including one, and spiral heat exchange tube core is equipped with each heat recovery tower；The desulfurizer is connected with heat reclamation device pipeline, net gas outlet is provided with the top of the desulfurizer, thermometer, sulphur meter and the first sequencing valve are sequentially provided with the net gas outlet, and pipeline is gone back on net gas outlet, between sulphur meter and sequencing valve and is connected with plate type heat exchanger, and it is provided with the second sequencing valve in the plate type heat exchanger inlet end；Also connected on the net gas outlet, between sulphur meter and the first sequencing valve by the air inlet duct of the 3rd sequencing valve and desulfurizer.The system can effectively remove the hazardous particulate matter in furnace flue gas, make furnace flue gas qualified discharge, also, can also make full use of the waste heat of flue gas, energy-conserving and environment-protective.
Description
Technical field
The present invention relates to a kind of smoke processing system, more particularly to a kind of energy-efficient sulfur-containing flue gas purifying system.
Background technology
In existing mineral hot furnace kiln production process, part stove high-temperature flue gas is mainly directly discharged using air cooling technique, waste heat
Energy zero utilizes, and causes a large amount of wastes of energy, moreover, usually contained in furnace flue gas a large amount of uncombusted coal particles and
Containing sulfur granules, it will seriously pollute environment.And it is that filler is put into tower that existing desulfurizing tower is formed substantially.Gas is with low stream
Speed from one end by packing layer in desulfurizing tower, staying in filler after hydrogen sulfide adsorption or absorbing reaction sulphidisation or polysulfide
In layer, purified gas is discharged from the desulfurizing tower other end, realizes the purpose of desulfurization process.And this desulfurizing tower generally requires more
High tower height and bigger tower diameter load desulfurizing agent, cause resistance to increase, are unfavorable for the normal operation of system.
The content of the invention
The invention aims to solve above-mentioned technical problem, there is provided a kind of energy-efficient sulfur-containing flue gas purifying system
System, the system can effectively remove the hazardous particulate matter in furnace flue gas, make furnace flue gas qualified discharge, also, can also be fully sharp
With the waste heat of flue gas, energy-conserving and environment-protective.
To achieve the above object, the technical solution adopted by the present invention is as follows：
A kind of energy-efficient sulfur-containing flue gas purifying system, including heat reclamation device, desulfurizer and liquid tank；The heat
Retracting device opens one for two heat recovery towers including one, and spiral heat exchange tube core is equipped with each heat recovery tower.The liquid tank
Including net liquid groove and dreg collecting slot, and ceramic filter plate is provided between net liquid groove and dreg collecting slot, dreg collecting slot bottom is provided with sewage draining exit.
The desulfurizer is connected with heat reclamation device pipeline, and net gas outlet is provided with the top of the desulfurizer, described
It is sequentially provided with thermometer, sulphur meter and the first sequencing valve on net gas outlet, and on net gas outlet, sulphur meter and sequencing valve
Between go back pipeline and be connected with plate type heat exchanger, and be provided with the second sequencing valve in the plate type heat exchanger inlet end；The net gas outlet
Also connected between Guan Shang, sulphur meter and the first sequencing valve by the air inlet duct of the 3rd sequencing valve and desulfurizer；
The desulfurizer includes tower body, and from bottom to top set gradually in tower body agitator, fairing, spray
Drenching layer and demister, described tower body side bottom are provided with cold air inlet；It is provided with net gas at the top of the tower body to export, tower body bottom
It is provided with provided with the leakage fluid dram being connected by valve with dreg collecting slot pipeline, above tower body side, spraying layer and passes through pump and net liquid barrel
The inlet of road connection；Liquid distribution layer is provided between the spraying layer and the fairing, the liquid distribution layer includes
The hollow grid plate being fixed in tower body and the multiple projections being formed on the waffle slab；The fairing includes first
Rectification layer and the second rectification layer, and every layer of rectification layer include match with tower body, for by rectification layer be fixed to tower body in
Clamping rings, more solid fix bars being set in parallel in clamping rings, and be socketed in fix bar and can surround and fix
The cylindrical conduit that bar rotates, the drainage extended spirally along the fix bar axial direction is offered in the cylindrical conduit
Groove；First gas distributor, the second rectification layer and cold air inlet are provided between the first rectification layer and the second rectification layer
Between be provided with second gas distributor.
Preferably, the desulfurizer is connected with heat reclamation device pipeline, and net gas is provided with the top of the desulfurizer and is exported
Pipe, it is described to be sequentially provided with thermometer, sulphur meter and the first sequencing valve on gas outlet only, and on net gas outlet, sulphur meter
Pipeline is gone back between sequencing valve and is connected with plate type heat exchanger, and the second sequencing valve is provided with the plate type heat exchanger inlet end；It is described
Also connected on net gas outlet, between sulphur meter and the first sequencing valve by the air inlet duct of the 3rd sequencing valve and desulfurizer
Connect, the liquid tank includes net liquid groove and dreg collecting slot, and ceramic filter plate, dreg collecting slot bottom are provided between net liquid groove and dreg collecting slot
Provided with sewage draining exit；The heat recovery tower includes upper shell, lower shell and the demarcation strip for separating upper lower shell, the separation
Plate is provided with multiple through holes, and is provided with the conduit extended into lower shell in each through hole；The upper shell side, which is provided with, to be used for
Flue gas enters the gas approach of whole system, and being provided with the cold air being connected with the cold air outlet pipeline of desulfurizer at the top of upper shell goes out
Mouthful, and cold air outlet is extended through into upper shell and connected in the middle part of demarcation strip with lower shell；The lower shell side is provided with logical
The liquid inlet that pump is connected with net liquid barrel road is crossed, and lower shell is provided with the liquid level gauge for being used for detecting liquid level in cylinder, lower cylinder
Body bottom is provided with the slag-drip opening being connected by valve with dreg collecting slot pipeline；The spiral heat exchange tube core is arranged in lower shell, under
Cylinder is provided with the heat exchange import being connected respectively with the inlet and outlet of spiral heat exchange tube core and heat exchange outlet, and is also set in lower shell
There are submergence conduit bottom and spiral heat exchange tube core, the liquid for absorbing granule foreign and flue gas heat in flue gas.
Preferably, the spiral heat exchange tube core is the spiral heat exchange tube coiled sheet by both ends sealing into being internally provided with air inlet
Passage and outlet passageway, and be spaced from each other between intake tunnel and exhalant canal by flow distribution plate；On the spiral heat exchange tube core
It is respectively equipped with the inlet and outlet ozzle corresponding with heat exchange import and the outlet that exchanges heat.
Preferably, the arrival end of the cold air outlet and all conduits is equipped with HEPA screen packs.
Preferably, the lower shell is provided with observation panel, and the observation panel top is in spiral heat exchange tube core over top, sight
Cha Kou bottoms lower section at the top of spiral heat exchange tube core.
Further, the through hole flips over 90 ° and is connected in downward step-like in inner side at the top of the conduit
On the step of through hole, and top surface and demarcation strip upper surface flush after conduit upset.
Preferably, if being laid with the first gas distributor in circular and outgassing direction in the direction of the clock
Slanted gas flow pipe clockwise is done, multiple flowing water mouths are additionally provided with first gas distributor, between slanted gas flow pipe clockwise, it is described
Some slanted gas flow pipes counterclockwise counterclockwise in circular and outgassing direction are laid with second gas distributor,
A delivery port is additionally provided with second gas distributor.
Preferably, the slanted gas flow pipe clockwise and the airflow-distribution board where slanted gas flow Guan Junyu counterclockwise are in 20
~60 °, and be disposed as clockwise below slanted gas flow pipe and slanted gas flow pipe counterclockwise horn-like, top be open it is oblique
Under；It is arranged to horn-like above the flowing water mouth.
Compared with prior art, the invention has the advantages that：
(1) present invention is reasonable in design, simple in construction, easy to operate.The heat reclamation device of setting can be effectively more than recovered flue gas
Heat, first by most of heat transfer of flue gas into liquid, then by spiral heat exchange tube core heat is shifted, energy-conservation environmental protection again；
In addition, the particle such as cinder absorbed in carrying liqs can be delivered to dreg collecting slot when more, particulate matter is deposited to bottom land, it is rear to use
The modes such as filtering, which collect, to be recycled, and saves the energy；And the desulfurizer set is simple in construction, easy to use, desulfurization
Effect is good, wherein, gas distributor can effective diffusing air current, form eddy flow, increase gas-liquid contact time, and two layers air-flow point
Gas flow tube outgassing direction on layer of cloth is on the contrary, further increase gas-liquid contact time, so as to improve desulfurized effect.And by air-flow
Pipe lower end is arranged to horn-like, gas flow tube upper opening obliquely, is to be flowed up for the ease of air-flow, and prevent at spray
Liquid by gas flow tube down, and flowing water mouth above be arranged to horn-like, then be for the ease of being accumulated on the first air flow method layer
Liquid can be flowed by flowing water mouth to second gas distributor, and prevent that most of gas is upward by flowing water mouth.
(2) present invention sets heat reclamation device to be provided with spiral heat exchange tube core, and the heat exchange tube core structure is simple, easy to make,
Weld line is short, less scaling, can be used the heat of flue gas as far as possible, while purifying smoke for heating sky
Gas, in stove production process, the energy can be saved in the air that kiln burning section is passed through after heating, and make coal-fired contact more
Fully burnt after oxygen；In addition, the spiral heat exchange tube core top on lower shell is provided with liquid inlet and sewage draining exit, can be more
Spiral heat exchange tube wicking surface is washed away when changing liquid, reaches cleaning action, makes it have good heat exchange efficiency.
(3) present invention is also provided with thermometer and sulphur meter in the net gas outlet of desulfurizer, when the net temperature degree measured
Predetermined standard time is not met, that is, closing the first sequencing valve and the 3rd sequencing valve makes gas from plate type heat exchanger after further heat exchange
Discharge, and does not meet predetermined standard time in net gas sulfur content, then closes the first sequencing valve and the second sequencing valve, make gas again from
Discharged at desulfurizer cold air inlet after further desulfurization, good purification.
(4) desulfurizer of the invention, by desulfurizing tower, slanted gas flow pipe clockwise and slanted gas flow pipe counterclockwise with
The angle of the airflow-distribution board at place is set, and can significantly submit desulfuration efficiency.
(5) present invention uses physical treatment method completely, and non-secondary pollution, good purification, processing cost is low, uses letter
Just, have a wide range of application.
Brief description of the drawings
Fig. 1 is the structured flowchart of the present invention.
Fig. 2 is heat recovery tower structural representation of the present invention.
Fig. 3 is spiral heat exchange tube cored structure schematic diagram of the present invention.
Fig. 4 is inventive desulfurization apparatus structure schematic diagram.
Fig. 5 is fairing structural representation of the present invention.
Fig. 6 is fluid present invention dispersion layer structural representation.
Fig. 7 is the top view of projection in Fig. 6.
Fig. 8 is the side view of projection in Fig. 7.
Fig. 9 for pin slanted gas flow pipe and slanted gas flow pipe counterclockwise and the airflow-distribution board at place into the de- of different angle
Sulphur ratio chart.
Wherein, it is entitled corresponding to reference：
1- upper shells, 11- gas approach, 12- cold air outlets,
2- lower shells, 21- liquid inlets, 22- liquid level gauges, 23- slag-drip openings, 24- heat exchange imports, 25- heat exchange outlet, 26-
Observation panel,
3- demarcation strips, 31- through holes, 32- conduits, 33- inlet channels, 34- outlet passageways, 35- flow distribution plates, 36-HEPA mistakes
Filter screen,
4- agitators, 41- cold air inlets, 42- agitating shafts；43- paddles；45- gas pipelines,
5- spraying layers, 51- leakage fluid drams, 52- inlets, 53- flowing water mouths, 54- is counterclockwise slanted gas flow pipe, 55- delivery ports,
6- demisters, the net gas outlets of 61-, 62- the first rectification layers, 63- the second rectification layers, 64- clamping rings, 65- are fixed
Bar, 66- cylindrical conduits, 67- first gas distributors, 68- second gas distributors, 69- slanted gas flow pipes clockwise, 90-
Drainage trough；
71- dreg collecting slots, 72- net liquid grooves, 73- ceramic filter plates, 74- sewage draining exits,
81- plate type heat exchangers, 82- thermometers, 83- sulphur meters, the sequencing valves of 84- first, the sequencing valves of 85- second, 86- the 3rd
Sequencing valve,
91- liquid distribution layers, 92- waffle slabs, 93- projections, 94- tops；95- extensions；96- dispersion slots.
Embodiment
The invention will be further described with embodiment for explanation below in conjunction with the accompanying drawings, and mode of the invention includes but not only limited
In following examples.
The purpose of the present embodiment is to provide a kind of simple in construction, and easy to operate, can purify sulfur-containing smoke gas makes its qualified discharge,
And the sulfur-containing flue gas purifying system of recyclable fume afterheat.
As shown in figure 1, the system includes heat reclamation device, desulfurizer and liquid tank；The heat reclamation device includes one
One is opened for two heat recovery towers, spiral heat exchange tube core is equipped with each heat recovery tower；The desulfurizer and heat reclamation device
Pipeline is connected, and net gas outlet is provided with the top of the desulfurizer, thermometer 82 is sequentially provided with the net gas outlet, surveys sulphur
The sequencing valve 84 of instrument 83 and first, and on net gas outlet, go back pipeline between sulphur meter and sequencing valve and be connected with plate type heat exchanger
81, and it is provided with the second sequencing valve 85 in the plate type heat exchanger inlet end；On the net gas outlet, sulphur meter and the first sequencing valve
Between be also connected by the 3rd sequencing valve 86 with the air inlet duct of desulfurizer.Such a setting is to be filled to detect by desulfurization
Whether the net gas postponed meets default discharge standard and professional standard, when the net temperature degree measured does not meet preassigned
When, that is, closing the first sequencing valve and the 3rd sequencing valve makes gas be discharged after further being exchanged heat from plate type heat exchanger, and in net gas
Sulfur content does not meet predetermined standard time, then closes the first sequencing valve and the second sequencing valve, makes gas again from desulfurizer cold air
Discharged after the further desulfurization in porch, good purification.
As shown in figure 1, the liquid tank includes net liquid groove 72 and dreg collecting slot 71, and pottery is provided between net liquid groove and dreg collecting slot
Porcelain filter 73, dreg collecting slot bottom are provided with sewage draining exit 74, can effectively realize the recycling of alkali lye.
As shown in FIG. 1 to 3, the heat recovery tower includes upper shell 1, lower shell 2 and separates upper lower shell
Demarcation strip 3, the demarcation strip is provided with multiple through holes 31, and is provided with the conduit 32 extended into lower shell in each through hole；Institute
State the side of upper shell 1 and be provided with and be used for the gas approach 11 that flue gas enters whole system, be provided with and desulfurizer phase at the top of upper shell
Cold air outlet 12 even, and cold air outlet is extended through into upper shell and connected in the middle part of demarcation strip with lower shell；The lower cylinder
The side of body 2 is provided with the liquid inlet 21 being connected by pump with the pipeline of net liquid groove 72, and lower shell is provided with and is used to detect in cylinder
The liquid level gauge 22 of liquid level, lower shell bottom are provided with the slag-drip opening 23 being connected by valve with the pipeline of dreg collecting slot 71；The spiral changes
Heat tube core is arranged in lower shell, and lower shell is provided with the heat exchange import 24 being connected respectively with the inlet and outlet of spiral heat exchange tube core
25 are exported with heat exchange, and submergence conduit bottom and spiral heat exchange tube core are additionally provided with lower shell, for absorbing the particle in flue gas
The liquid of impurity and flue gas heat.The heat recovery tower can effective Mist heat recovering, also, heat recovery tower in set alkali lye also
Can be tentatively be handled the granule foreign in flue gas and sulfur-containing impurities, reduces the heavy burdens for follow-up desulfurizer, and energy-conservation is again
Environmental protection.In addition, between the upper shell of the present embodiment, lower shell and demarcation strip, using detachable between demarcation strip and conduit
Connection, dismounting and later stage cleaning are easily installed, the spiral heat exchange tube core especially inside its lower shell, can directly take out or spray water
Cleaning, cleaning are changed very convenient.
The spiral heat exchange tube core is the spiral heat exchange tube coiled sheet by both ends sealing into being internally provided with the He of inlet channel 33
Outlet passageway 34, and be spaced from each other between intake tunnel and exhalant canal by flow distribution plate 35；Divide on the spiral heat exchange tube core
She You not be with 25 corresponding inlet and outlet ozzles of heat exchange import 24 and heat exchange outlet.The spiral heat exchange tube cored structure is simple, makes
Convenient, its weld line is shorter than pipe heat exchanger, and less scaling, can be while purifying smoke, by the heat of flue gas as far as possible
It is to use, for heating air or water etc., saves the energy；In addition, spiral heat exchange tube of the present embodiment also on lower shell
Core top is provided with cleaning solution entrance and cleaning solution exports, and can wash away spiral heat exchange tube wicking surface when changing liquid, reach clear
Clean effect, make it have good heat exchange efficiency.
The arrival end of the cold air outlet 12 and all conduits 32 is equipped with HEPA screen packs 36, the screen pack respectively as
The first layer filtering and the filtering of last layer of flue gas, it on the one hand can mitigate the pressure of gas cleaning thing purifying smoke in lower chamber,
The replacing of gas cleaning thing is reduced, the flue gas cold air that will be discharged on the other hand can be further filtered, make the bulky grain in flue gas
Impurity can remove completely, mitigate the desulfurization pressure of follow-up desulfurizer significantly.
The lower shell 2 is provided with observation panel 26, and the observation panel top is in spiral heat exchange tube core over top, observation panel
Bottom lower section at the top of spiral heat exchange tube core.Whether the liquid level that on the one hand can be checked in time in the separator, which flooded spiral, is changed
At the top of heat tube core, avoid flue gas from being expelled directly out, purification failure, pollute environment, on the other hand can also observe gas cleaning thing
Discharged in time by sewage draining exit after heavily contaminated, to change gas cleaning thing, it is ensured that gas cleaning effect.
In downward step-like in inner side, the top of conduit 32 flips over 90 ° and is connected to through hole the through hole 31
On step, and top surface and the upper surface flush of demarcation strip 3 after conduit upset, it is removably connected on demarcation strip 3, so as to
Spiral heat exchange tube core is changed or repairs in follow-up.
Wherein, the fluorine plastic tube that each the inlet and outlet pipeline and conduit of heat recovery tower use, fluorine plastic tube have good
Corrosion resistance and stability, and non-stick is strong, and maintenance cost is low, service life length.
As shown in Figure 4 and Figure 5, the desulfurizer includes tower body, and what is from bottom to top set gradually in tower body stir
Device 4, fairing, spraying layer 5 and demister 6 are mixed, described tower body side bottom is provided with what is be connected with the pipeline of cold air outlet 12
Cold air inlet 41；Net gas outlet 61 is provided with the top of the tower body, tower body bottom is provided with and is connected by valve with the pipeline of dreg collecting slot 71
Leakage fluid dram 51, tower body side, the inlet 52 being connected by pump with the pipeline of net liquid groove 72 is provided with above spraying layer；Institute's rectification dress
Put including the first rectification layer 62 and the second rectification layer 63, and every layer of rectification layer includes matching with tower body, for by rectification layer
Fixed to the clamping rings 64 in tower body, more solid fix bars 65 being set in parallel in clamping rings, and be socketed in solid
And can be around the cylindrical conduit 66 of fix bar rotation in fixed pole；Set between the first rectification layer 62 and the second rectification layer 63
There is first gas distributor 67, second gas distributor 68 is provided between the second rectification layer 63 and cold air inlet 41.This is whole
Rectification layer in stream device can fully shunt former flue gas, form multiply shunting flue gas and contacted with liquid；And set in rectification layer
The cylindrical conduit that can be rotated around fix bar, and the spacing between adjacent two pipeline 23 is 1cm~10cm, can make pipeline gap
Locate flue gas flow rate to improve, gas-liquid two-phase interfacial turbulence is strengthened, and air-film thickness, which is thinned, improves mass transfer rate coefficient, and rectification fills
Put top and form one layer of turbosphere, further increase mass transfer rate coefficient；The increase of cigarette speed can slow down reduction of speed under drop simultaneously
Degree, thus slurries increased resident time in desulfurizing tower can be made, increase soak time, reach the purpose for improving desulfuration efficiency.
It is further preferable that the drainage trough 90 extended spirally along the axial direction of fix bar 65 is offered in cylindrical conduit 66.
When flue gas rises, the drainage trough 90 of spiral can further strengthen the turbulence at gas-liquid two-phase interface, and gas is along drainage trough 90
The hand of spiral produces eddy flow, while drainage trough 90 produces drainage to liquid, when gas-liquid occurs longer in the position of drainage trough
Between contact, desulfuration efficiency is further improved.Further, levoform is set in a part of cylindrical conduit 66
Drainage trough 90, in remaining cylindrical conduit 66 set right-spiral drainage trough 90.The drainage trough of levoform and right-spiral
90 can make flue gas or liquid when by different drainage troughs 90, produce cyclone or liquid stream in opposite direction, gas liquid
Interlock, time of contact is more long, and desulfurized effect is more preferable.
Further, the equidistantly distributed of drainage trough 90 in every cylindrical conduit 66.Drainage trough 90 is along cylindrical tube
Axial length on road 66 is 0.5~1cm, and on axial direction, the spacing of two neighboring drainage trough 90 is 2.5~3.5cm.More
Preferably, the groove depth of drainage trough 90 is 0.1~0.4cm.If the spacing of drainage trough 90 is larger, then the quantity of drainage trough 90 subtracts
It is few, can not dispersed all gas, cause portion gas desulfurized effect price differential.If the depth of drainage trough 90 or length are uncomfortable
Preferably, then easily cause gas excessively scattered, by losing excessive power during rectification layer, or lead to not produce gas and draw
The scattered effect of flow point.The present embodiment can reach preferably scattered by the limitation to the spacing of drainage trough 90, length and depth
And drainage effect, further strengthen desulfurized effect.
As shown in Figure 4 and Figure 6, further, liquid distribution layer 91 is provided between spraying layer 5 and fairing.Liquid point
Dissipating layer 91 includes the hollow grid plate 92 being fixed in tower body and the multiple projections 93 being formed on waffle slab 92.Preferably,
Liquid distribution layer 91 is between the first rectification layer 62 and spraying layer 5, and when 4 downward ejecting liquid of spraying layer, liquid is dropped in
In liquid distribution layer 91, larger drop is impacted on projection 93, can make larger droplet distribution into less drop, from net
The hollow part of panel 92 disperses downwards, further increases the contact area of gas-liquid, strengthens desulfurized effect.Meanwhile liquid drops onto
When on hollow grid plate 92, waffle slab 92 can also play certain peptizaiton to drop so that liquid is in liquid distribution layer
Splash on 91, and then fine and closely woven liquid level is nearby formed, it is greatly promoted the contact of gas-liquid.Further, waffle slab 92
With more crisscross grid lines, projection 93 is arranged on the point of intersection of grid lines, and the setting enables to liquid to be easier
Disperseed.Further, projection 93 is semicircle spherical structure, when liquid is impacted in projection 93, liquid can be formed certain
Drainage, facilitate downward liquid flow.Further, the radical length of projection 93 is 0.3~0.8cm, two neighboring convex
The spacing of post 93 is 1~3cm, by the optimization to the size of projection 93 and spacing, enables to drips in liquid distribution layer
When 91, the drop impacted on adjacent projection 93 can produce multiple impacts during splashing, and further drop is divided
Dissipate.
Further, as Figure 7-8, projection 93 includes smooth top 94 and the extension positioned at the lower section of top 94
95.Dispersion slot 96 is offered on extension 95.Dispersion slot 96 is extended to the bottom margin of extension 95 by the bottom at top 94.It is excellent
Selection of land, dispersion slot 96 is in wavy.When liquid is dropped on wavy dispersion slot 96, dispersion slot 96 has multiple scattered positions
Point, being capable of further dispersing liquid, while avoid droplet from forming aggregation on projection 93.In addition, dispersion slot 96 also can
Increase the time of contact of gas and liquid to a certain extent, ensure desulfurized effect.
It is laid with the first gas distributor 67 in the circular and some up times of outgassing direction in the direction of the clock
Pin slanted gas flow pipe 69, multiple flowing water mouths 53 are additionally provided with first gas distributor, between slanted gas flow pipe 69 clockwise, it is described
Some slanted gas flow pipes counterclockwise counterclockwise in circular and outgassing direction are laid with second gas distributor 68
54, a delivery port 55 is additionally provided with second gas distributor.The gas distributor of setting can effective diffusing air current, formed rotation
Stream, increase gas-liquid contact time, and the gas flow tube outgassing direction on two layers of air flow method layer is on the contrary, further increase gas-liquid
Time of contact, so as to improve desulfurized effect.Preferably, slanted gas flow pipe 69 and the slanted gas flow pipe 54 counterclockwise clockwise are equal
Airflow-distribution board with place is in 20~60 °, and is disposed as clockwise below slanted gas flow pipe and slanted gas flow pipe counterclockwise
Upward horn-like of big opening；The top of the flowing water mouth 53 is arranged to downward horn-like of big opening.It is furthermore preferred that the up time
The airflow-distribution board of pin slanted gas flow pipe 69 and slanted gas flow pipe 54 counterclockwise with place is in 30~40 °；Most preferably, it is described
The airflow-distribution board of slanted gas flow pipe 69 clockwise and slanted gas flow pipe 54 counterclockwise with place is in 35~40 °.The present embodiment
In, the slanted gas flow pipe 69 clockwise and slanted gas flow pipe 54 counterclockwise are about 37.5 ° with the airflow-distribution board at place, warp
Test is crossed, this angle can obtain optimal eddy flow and desulfurized effect, specifically refer to Fig. 6, and its desulfuration efficiency is up to 97.8%.Institute
When to state slanted gas flow pipe 69 clockwise and slanted gas flow pipe 54 counterclockwise with the airflow-distribution board at place be in 30~40 °, it is de-
Sulphur efficiency is up to more than 95%.The air-flow point of the slanted gas flow pipe 69 clockwise and slanted gas flow pipe 54 counterclockwise with place
When fabric swatch is in 35~40 °, its desulfuration efficiency is up to more than 96%.It is appreciated that when the slanted gas flow pipe 69 clockwise and inverse
Hour hands slanted gas flow pipe 54 with the angle of the airflow-distribution board at place it is smaller when, one side pipeline it is smaller easily obstruction and make
Standby complex process, another aspect air-flow directly can be beaten in side wall, be not likely to produce eddy flow.In addition, gas flow tube lower end is arranged to
Upward horn-like of big opening, is flowed up for the ease of air-flow, and prevent the liquid at spray by gas flow tube down, and
Flowing water mouth is arranged to that big opening is horn-like upwards, then is that can pass through stream for the ease of the liquid accumulated on the first air flow method layer
The mouth of a river is flowed to the second airflow-distribution board, and prevents that most of gas is upward by flowing water mouth.
As shown in figure 4, further, agitator 4 includes agitating shaft 42 and paddle 43.The blade of paddle 43 is smooth
Spatial warping face.Tilting upward for paddle 43 is arranged on agitating shaft 42 so that the free end of paddle 43 is higher than stirring
The connection end of leaf 43 and agitating shaft 43.Preferably, paddle 43 and the inclination angle in horizontal direction are 10~25 DEG C.It is obliquely installed
Paddle 43 enable to gas to produce the motion in radial direction and axial manner, stirring scope increase, be advantageous to quick
Disperse to accumulating in the flue gas at cold air inlet 41.
Further, because cold air inlet 41 is arranged on the side bottom of tower body, the easy shape at cold air outlet 41 of flue gas
Into aggregation, cause the scattered inequality of flue gas.Gas pipeline 45 is set up at cold air inlet 41, gas pipeline 45 extends horizontally to tower body
At radical length 2/3.Flue gas from cold air inlet 41 enter tower body when, part of smoke is directly entered tower body, and another part cigarette
Gas enters gas pipeline 45, and flue gas is fed directly into side of the tower body away from cold air inlet 41, effectively avoids flue gas excessive
Assemble close to the side of cold air inlet 41.It is further preferable that the pipeline tapping of gas pipeline 45 avoids to set diagonally downward
Liquid enters gas pipeline.
Above-described embodiment is only one of the preferred embodiment of the present invention, should not be taken to limit the protection model of the present invention
Enclose, as long as the present invention body design thought and that mentally makes have no the change of essential meaning or polishing, it is solved
Technical problem it is still consistent with the present invention, should be included in protection scope of the present invention within.
Claims (8)
1. a kind of energy-efficient sulfur-containing flue gas purifying system, it is characterised in that including heat reclamation device, desulfurizer and liquid
Groove；The heat reclamation device opens one for two heat recovery towers including one, and spiral heat exchange tube core is equipped with each heat recovery tower；Institute
Stating liquid tank includes net liquid groove (72) and dreg collecting slot (71), and ceramic filter plate (73) is provided between net liquid groove and dreg collecting slot, collection
Slag chute bottom is provided with sewage draining exit (74)；
The desulfurizer is connected with heat reclamation device pipeline, and net gas outlet, the net gas are provided with the top of the desulfurizer
Thermometer (82), sulphur meter (83) and the first sequencing valve (84) are sequentially provided with outlet, and on net gas outlet, sulphur meter
Pipeline is gone back between sequencing valve and is connected with plate type heat exchanger (81), and the second sequencing valve is provided with the plate type heat exchanger inlet end
(85)；Also pass through the 3rd sequencing valve (86) and desulfurizer on the net gas outlet, between sulphur meter and the first sequencing valve
Air inlet duct connects；
The desulfurizer includes tower body, and from bottom to top set gradually in tower body agitator (4), fairing, spray
Drenching layer (5) and demister (6), described tower body side bottom are provided with cold air inlet (41)；Go out at the top of the tower body provided with net gas
Mouth (61), tower body bottom, which is provided with, passes through the leakage fluid dram (51) that valve is connected with dreg collecting slot (71) pipeline, on tower body side, spraying layer
Side is provided with the inlet (52) being connected by pump with net liquid groove (72) pipeline；Between the spraying layer (5) and the fairing
Provided with liquid distribution layer (91), the liquid distribution layer (91) includes the hollow grid plate (92) being fixed in tower body and formed
In multiple projections (93) on the waffle slab (92)；The fairing includes the first rectification layer (62) and the second rectification layer
(63), and every layer of rectification layer include match with tower body, for by rectification layer be fixed to tower body in clamping rings (64), put down
The more solid fix bars (65) that row is arranged in clamping rings, and be socketed in fix bar and fix bar can be surrounded and rotate
Cylindrical conduit (66), offer on the cylindrical conduit (66) and extended spirally along the fix bar (65) axial direction
Drainage trough (90)；First gas distributor (67) is provided between the first rectification layer (62) and the second rectification layer (63), it is described
Second gas distributor (68) is provided between second rectification layer (63) and cold air inlet (41).
2. energy-efficient sulfur-containing flue gas purifying system according to claim 1, it is characterised in that the heat recovery tower bag
Upper shell (1), lower shell (2) and the demarcation strip (3) for separating upper lower shell are included, the demarcation strip is provided with multiple through holes
(31), and in each through hole it is provided with the conduit (32) extended into lower shell；Upper shell (1) side is provided with to enter for flue gas
Enter the gas approach (11) of whole system, the cold air being connected with cold air inlet (41) pipeline of desulfurizer is provided with the top of upper shell
Export (12), and cold air outlet is extended through into upper shell and connected in the middle part of demarcation strip with lower shell；Lower shell (2) side
Face is provided with the liquid inlet (21) being connected by pump with net liquid groove (72) pipeline, and lower shell is provided with and is used to detect liquid in cylinder
The liquid level gauge (22) of position, lower shell bottom are provided with the slag-drip opening (23) being connected by valve with dreg collecting slot (71) pipeline；The spiral shell
Rotation heat exchange tube core is arranged in lower shell, and lower shell is provided with the heat exchange being connected respectively with the inlet and outlet of spiral heat exchange tube core and entered
Mouth (24) and heat exchange outlet (25), and submergence conduit bottom and spiral heat exchange tube core are additionally provided with lower shell, for absorbing flue gas
In granule foreign and flue gas heat liquid.
3. energy-efficient sulfur-containing flue gas purifying system according to claim 2, it is characterised in that the spiral heat exchange tube
Core is the spiral heat exchange tube coiled sheet by both ends sealing into being internally provided with inlet channel (33) and outlet passageway (34), and water inlet
It is spaced from each other between passage and exhalant canal by flow distribution plate (35)；It is respectively equipped with the spiral heat exchange tube core and heat exchange import
(24) and heat exchange exports (25) corresponding inlet and outlet ozzle.
4. energy-efficient sulfur-containing flue gas purifying system according to claim 3, it is characterised in that the cold air outlet
(12) and the arrival ends of all conduits (32) is equipped with HEPA screen packs (36).
5. energy-efficient sulfur-containing flue gas purifying system according to claim 4, it is characterised in that the lower shell (2)
Observation panel (26) is provided with, the observation panel top is in spiral heat exchange tube core over top, observation panel bottom in spiral heat exchange tube
Lower section at the top of core.
6. energy-efficient sulfur-containing flue gas purifying system according to claim 5, it is characterised in that the through hole (31) is in
Downward step-like in inner side, flips over 90 ° and is connected on the step of through hole, and conduit is overturn at the top of the conduit (32)
Top surface afterwards and demarcation strip (3) upper surface flush.
7. energy-efficient sulfur-containing flue gas purifying system according to claim 6, it is characterised in that the first gas point
Some slanted gas flow pipes (69) clockwise in the direction of the clock in circular and outgassing direction are laid with cloth device (67), the
Multiple flowing water mouths (53), the second gas distribution are additionally provided with one gas distributor, between slanted gas flow pipe clockwise (69)
It is in some slanted gas flow pipes (54) counterclockwise of circular and outgassing direction counterclockwise to be laid with device (68), and second
A delivery port (55) is additionally provided with gas distributor.
8. energy-efficient sulfur-containing flue gas purifying system according to claim 7, it is characterised in that described to tilt clockwise
The airflow-distribution board of gas flow tube (69) and slanted gas flow pipe counterclockwise (54) with place tilts gas clockwise in 20~60 °
Horn-like, top is disposed as below flow tube and slanted gas flow pipe counterclockwise to be open obliquely；Above the flowing water mouth (53)
It is arranged to horn-like.
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| CN201720623766 | 2017-05-31 | ||
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| CN201710640016.2A Active CN107490301B (en) | 2017-05-31 | 2017-07-31 | A kind of recycling of sulfur-containing smoke gas waste heat and desulphurization system |
| CN201710641498.3A Active CN107362632B (en) | 2017-05-31 | 2017-07-31 | A kind of energy-efficient sulfur-containing flue gas purifying system |
| CN201710640009.2A Active CN107367172B (en) | 2017-05-31 | 2017-07-31 | A kind of new and effective flue gas desulphurization system |
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Cited By (2)
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| CN108634381A (en) * | 2018-03-27 | 2018-10-12 | 王步熬 | A kind of ashtray |
| CN112973360A (en) * | 2021-03-19 | 2021-06-18 | 佛山市三叶环保设备工程有限公司 | Flue gas dust removal desulfurization system |
Families Citing this family (3)
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|---|---|---|---|---|
| CN108744892A (en) * | 2018-07-09 | 2018-11-06 | 李洁 | A kind of method of industrial flue gas cleaning |
| CN111086124A (en) * | 2019-12-30 | 2020-05-01 | 威远红卫橡胶有限公司 | Rubber waste recycling mechanism |
| CN112587010A (en) * | 2020-12-31 | 2021-04-02 | 响水格思琪科技有限公司 | Energy-saving environment-friendly shower device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107367172A (en) | 2017-11-21 |
| CN107367172B (en) | 2019-07-16 |
| CN107362632B (en) | 2019-10-11 |
| CN107490301B (en) | 2019-05-17 |
| CN107490301A (en) | 2017-12-19 |
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Effective date of registration: 20191216 Address after: 264500 middle section of Wenzhou Road, Rushan Economic Development Zone, Shandong, Weihai Patentee after: Weihai Luyuan Technology Environmental Protection Equipment Co., Ltd. Address before: 362000, building 5, Xinyuan Garden Town, snail Town, Huian, Fujian, Quanzhou 1104, China Patentee before: Quanzhou Keweijia Power Co. Ltd. |