CN209438305U - A kind of dry-wet-coupled integrated fume disappears bletilla dust-extraction unit - Google Patents
A kind of dry-wet-coupled integrated fume disappears bletilla dust-extraction unit Download PDFInfo
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Abstract
The utility model discloses a kind of dry-wet-coupled integrated fume and disappears bletilla dust-extraction unit, wet flue gas is sent into integration dehumidifying gas wash tower after booster fan pressurizes, successively by being bubbled pallet, heat dissipation filler, water distributor, demister, then it is discharged by interior smoke evacuation chimney, with the hot air of flue axial flow blower group discharge, it is discharged after the mixing of radial mixer.It is cooling that dry air cooled heat exchanger is sent to after the pressurization of tower bottom condensed water, enter water distributor after cooling, uniform fluid flow is dropped on heat dissipation filler and contacts with reverse wet flue gas, secondary cooling is carried out to flue gas, a large amount of vapor condensations in flue gas, fine solid particle flows into because condensation agglomeration is captured and is bubbled pallet, form thin liquid layer on pallet.Incoming flow wet flue gas is contacted with thin liquid layer at first, completes preliminary cooling, and wash away part fine solid particle in flue gas.It is cooling that the utility model combines dry air cooled heat exchanger and Wet-type spray, while realizing the white and fine dedusting that disappears, have many advantages, such as that with low investment, low energy consumption, take up little area, system it is simple.
Description
Technical field
The present invention relates to smoke gas treatment fields, and in particular to a kind of dry-wet-coupled integrated fume disappears bletilla dust-extraction unit.
Background technique
With the rapid development of our country's economy, this environmentally friendly topic has been a great concern.Smoke gas treatment belongs to environmental protection
One general orientation in field, is more and more paid attention to.Government Report is pointed out within 2018, SO2, NOx discharge will be compared with 2017
Year reduces by 3%, and key area PM2.5 will continue to decline.Now conventional smoke gas treatment desulfurization workshop section generallys use wet desulphurization (such as stone
Lime stone-gypsum, ammonia process, Dual alkali etc.), flue gas can satisfy SO after absorption tower is washed2Qualified discharge, but high temperature simultaneously
On absorption tower, outlet will form wet saturated flue gas after flue gas is washed.It inevitably carries and escapes in wet saturated flue gas
Fine solid particle (containing gypsum powder, coal ash, calcium carbonate powder etc.) and a large amount of steam, with saturated flue gas escape fine solid particle
Being discharged into atmosphere through chimney will form secondary pollution, and the vapor in flue gas can be condensed into tiny liquid in high-altitude and Cold air mass influence
Drop, and form long white plume.Related provision requirement tail has been put into effect in the Yangtze River Delta, Beijing-tianjin-hebei Region, such as Shanghai, Zhejiang Province
Gas emission source will reach the white rear discharge that disappears.
Currently, flue gas disappears, there are mainly three types of process flows, (1) heating process to directly heat flue gas certain for white technique
Temperature, about 25-40 DEG C of temperature rise so that the vapor in flue gas is in an overheated state, cigarette after being heated on vapor enthalpy temperature figure
Gas operating point and emission point atmospheric condition point line and wet saturated line are non-intersecting, can be realized and take off white discharge.Traditional heating process
Have the water-borne heat exchanger of MGGH(), GGH(flue gas heat-exchange unit), steam direct heating, fuel gas buring heating etc..Such technique has
System is simple, takes up little area, the feature that energy consumption is high.(2) flue gas is carried out depth cooling, is typically cooled to 35 DEG C or less by condensation process
(about 15-20 DEG C of temperature drop), a large amount of vapor in flue gas can condense (condensation water quantity accounts for about 60-70%), after deep cooling flue gas according to
Old is saturated flue gas, and such technique is difficult to realize flue gas and thoroughly disappears white, is less suitable in northern extremely cold weather.Conventional condensation technique
There is flue gas heat-exchange unit condenses, recirculated cooling water is direct-cooled, slurries are cooling etc..The technique has that low energy consumption, is not necessarily to heat source, land occupation is big
The characteristics of (needing to be arranged additional machine power tower or BrLi chiller).(3) condensation-heating process first carries out flue gas preliminary
Pre-cooling, flue gas cooling range is smaller, about 5-7 DEG C, then heats flue gas, and heating amplitude is also smaller, temperature rise about 15-20
℃.Flue gas is superheat state after heating, can achieve and takes off white discharge.The technique combines two kinds of techniques of flue gas heating and condensation
Advantage has the characteristics that low energy consumption, de- white effect is good, but system complex, need to be arranged flue gas heating system, flue-gas-cooling system,
Machine power Tower System etc..Above-mentioned three kinds of technique is in the field of business more utilization, but more or less in the presence of low energy consumption, system complex, pole
Cold day gas disappears white halfway disadvantage.
It is retrieved, there is Chinese invention application number CN201810729629.8, the invention provides one kind to be used for wet desulphurization
The flue gas eliminating white smoke plumage governing system of tower, the system first absorption tower exiting flue gas is carried out it is tentatively cooling, then and hot wind
The hot wind mixing that system generates, flue-gas temperature is increased after mixing, and vapor volume fraction significantly reduces in gaseous mixture, thus
Can be realized flue gas disappear it is white.The system belongs to condensation-heating process process, and heating part is provided with hot-air system, hot-air system
Need to consume additional electric energy or combustion gas to provide heat, for big exhaust gas volumn operating condition, required energy consumption is huge.
There is utility model patent application CN201720168606.5 again, which provides a kind of wet desulphurization
Flue gas disappears white system, the system is using Desulfurization tower slurry is cooling plus the water-borne heat exchanger system of MGGH() technique realize that flue gas disappears
It is white, i.e., water-borne heat exchanger gas cooler is set in absorption tower entrance, incoming flow flue gas tentatively cool down, in this way into absorption tower
Flue gas total enthalpy reduces, and absorption tower exit gas temperature reduces, and the saturated vapor of carrying is reduced, meanwhile, absorption tower last
Slurries cooler is set on layer loop slurry pipeline, is cooled down to slurries, absorption tower outlet cigarette can be further decreased in this way
Temperature degree reduces the water content in saturated flue gas.It most is warming up to required temperature through water-borne heat exchanger smoke re-heater afterwards, is realized
Disappear white.The technique organically combines MGGH and slurries cooling technique, realizes flue gas well and disappears white, but needs that flue gas is arranged
The equipment such as cooler, flue gas heater, slurries cooler, circulating water cooling tower, system is extremely complex, and land occupation is big.Meanwhile flue gas
Cooler cooling range and slurries cooling range are difficult to appropriately match, and be easy to cause absorption tower disrupted water balance.
Summary of the invention
To solve the above problems, disappear bletilla dust-extraction unit the invention discloses a kind of dry-wet-coupled integrated fume, it is organic
Ground combines flue gas and directly contacts cooling and two sets of techniques of air cooler indirect heating, before taking up little area, low energy consumption, system is simple
It puts realization to disappear white and dedusting, recycles energy, reduce cost.
In order to achieve the above objectives, technical scheme is as follows:
A kind of dry-wet-coupled integrated fume disappears bletilla dust-extraction unit, it is characterised in that: eliminates wet remove including dry-wet integrated
Chimney and associated satellite equipment, wherein it is dry-wet integrated eliminate wet gas wash tower include tower body itself, hot well, be bubbled support
Disk, heat dissipation filler, water distributor, demister, mist eliminator flushing spraying layer, interior smoke evacuation chimney, dry air cooled heat exchanger, flue axial flow blower
Group, radial mixer, outer smoke evacuation chimney, ring support；Associated satellite equipment includes circulating pump, discharge pump, inclined-tube settling box, clear water
Case, booster fan, mist eliminator flushing water pump, mud discharge pump, incoming flow wet flue gas flue, moisturizing pipeline, return pipe, water circulation
Pipe, the incoming flow wet flue gas flue are connected with booster fan, and booster fan is connected with tower body entrance itself, in tower from top to bottom
It is sequentially arranged hot well, is bubbled pallet, heat dissipation filler, water distributor, demister, mist eliminator flushing spraying layer and interior smoke evacuation
Chimney, the one circle dry air cooled heat exchanger of setting on the outside of tower wall above the mist eliminator flushing spraying layer, the dry air cooled heat exchanger is by ring support
Support, ring support are installed in tower wall, are disposed with flue axial flow blower in the interior smoke evacuation chimney and dry air cooled heat exchanger upper end
Group is disposed with radial mixer, the tower bottom of the discharge pump and tower body itself in the outer smoke evacuation chimney above described tower body itself
Outlet is connected, and discharge pump discharge is connected with tube settling tank inlet, the inclined-tube settling box settling section outlet and filtered water tank phase
Even, filtered water tank outlet is connected by return pipe with mist eliminator flushing water pump, mist eliminator flushing water pump and mist eliminator flushing spraying layer
It is connected, the inclined-tube settling box underflow section is connected with slush pump, and hot well connects circulating pump, circulation by water-circulating pipe
Pump connection dry air cooled heat exchanger.
The beneficial effects of the present invention are:
A kind of dry-wet-coupled integrated fume of the present invention disappears bletilla dust-extraction unit, and it is direct organically to combine flue gas
Contact cooling (wet type is cooling) and two sets of techniques of air cooler indirect heating (dry type heating)；Wet type cooling section is arranged in integration
Tower lower part, dry type bringing-up section are arranged in tower top, and axial flow blower group and mixer are arranged in tower, farthest reduce
Occupied area.The present invention first directly contacts incoming flow flue gas and cooling water, carries out cooling down, part vapor meeting in flue gas
Water is condensed into, a large amount of latent heat of vaporization is released, vapor condensation heat is discharged into cooling water, and cooling water temperature can increase.Then,
The air cooler that hot cooling water after will heat up is transported to high-order arrangement by tower outer circulation pump is cooling, the cooling water gravity flow after cooling
Into wet type cooling section water distributor, flue gas is cooled down, realizes a circulation.The cold air then axis by being arranged in tower
Flow fan group sucks air cooler, completes indirect heat exchange with hot cooling water in air cooler, and recirculated water heat passes to cold air, real
Existing cold air heating.Smoke contacts after air and cooling after heating discharge after mixing, flue gas vapor volume point after mixing
Number is substantially reduced, and steam partial pressure reduces, and vapor contacts after outlet smoke stack emission with atmosphere at superheat state, will not
Dew point, realization disappear white.The present invention takes full advantage of vapor in flue gas and condenses discharged heat, is used for adding for cold air
Heat does not need that additional heat source is arranged, and low energy consumption.The present invention passes through the control starting quantity of axial flow blower group and entering for air cooler
Mouthful shutter aperture realizes variable parameter operation, and the white economy that disappears can be realized under various external environments (temperature and relative humidity)
Operation.
Due to more or less there is fine solid particle in incoming flow flue gas, fine solid particle first passes around bubbling pallet, cigarette with flue gas
Gas can be continued up flowing when passing through thin liquid layer on pallet by partial removal, flue gas can pass through water distributor spray and the filler that radiates,
Flue gas can coagulate phase transformation, fine solid particle particle therein will receive collision reunite become large-volume particulate and it is captured under
Come, therefore, the present invention realizes smoke gas fine shedding dirt while disappearing white；Dust finally flows to tower bottom collection with recirculated water
Liquid bath is sent to inclined-tube settling box through the discharge of condensed water discharge pump, and dust can precipitate in bottom in inclined-tube settling box, accumulation
In settling tank bucket, periodically it is delivered between water treatment vehicle through slush pump.Clear water is then gone out by overflow at the top of settling tank, into clear water
Case, clear water are finally sent into tower by mist eliminator flushing water pump again, and realization recycles.
Detailed description of the invention
Fig. 1 be whole device flow chart and tower itself arrangement schematic diagram,
Fig. 2 is " V " type air cooler module flat layout drawing,
Fig. 3 is " one " type air cooler module flat layout drawing,
Fig. 4 is one cell schematics of " V " type air cooler,
Fig. 5 is one cell schematics of " one " type air cooler,
Fig. 6 is baffle plate mixer schematic diagram；
Fig. 7 does not disappear white direct emission operating condition thermal expansion line (moisture content values are butt air/smoke, 1.0atm)；
Fig. 8 conventional condensation-heating process thermal expansion line (moisture content values are butt air/smoke, 1.0atm)；
Fig. 9 dry-wet integratedization disappears white technique thermal expansion line (moisture content values are butt air/smoke, 1.0atm).
Specific embodiment
With reference to the accompanying drawings and detailed description, the present invention is furture elucidated, it should be understood that following specific embodiments are only
For illustrating the present invention rather than limiting the scope of the invention.It should be noted that word " preceding " used in the following description,
" rear ", "left", "right", "up" and "down" refer to that the direction in attached drawing, word "inner" and "outside" refer respectively to direction or remote
Direction from geometric center of specific component.
The bletilla dust-extraction unit as shown in Figure 1, a kind of dry-wet-coupled integrated fume of the present invention disappears, device mainly wrap
Include it is dry-wet integrated eliminate wet gas wash tower and associated satellite equipment, it is dry-wet integrated to eliminate wet gas wash tower mainly by tower body itself (1), cold
Condensed water collection slot (5) is bubbled pallet (15), heat dissipation filler (6), water distributor (7), demister (8), mist eliminator flushing spraying layer
(9), interior smoke evacuation chimney (14), dry air cooled heat exchanger (10), flue axial flow blower group (11), radial mixer (12), outer smoke evacuation chimney
(13), ring support (17) etc. forms, and auxiliary device is mainly by circulating pump (3), discharge pump (4), inclined-tube settling box (22), clear water
Case (23), booster fan (2), mist eliminator flushing water pump (24), mud discharge pump (16) and pipeline composition.
Wet flue gas is sent into integration dehumidifying dedusting from incoming flow wet flue gas flue (29) after booster fan (2) pressurization first
Tower is then arranged by interior smoke evacuation chimney (14) successively by being bubbled pallet (15), heat dissipation filler (6), water distributor (7), demister (8)
Out, it with the hot air of flue axial flow blower group (11) discharge, is discharged after radial mixer (12) mixing.Tower bottom condensed water
Condensed water in collecting tank (5) is sent to the cooling of dry air cooled heat exchanger (10) group from water-circulating pipe (32) after circulating pump (3) pressurization, cold
But enter water distributor (7) afterwards, uniform fluid flow is dropped on heat dissipation filler and contacts with reverse wet flue gas, carries out to flue gas secondary cold
But, a large amount of vapor condensations, fine solid particle are captured because of condensation agglomeration in flue gas.Then, condensed water and part dust one
And bubbling pallet is flowed into, thin liquid layer is formed on pallet.Incoming flow wet flue gas is contacted with thin liquid layer at first, completes preliminary cooling, and
Wash away part fine solid particle in flue gas.Finally, condensed water and the fine solid particle of collection fall into tower bottom collecting tank together.Tower bottom is set
It is equipped with condensed water discharge pump, inclined-tube settling box periodically is sent in agglutinating water discharge, completes waste water solid separation.
Dry-wet integrated eliminate of the present invention is additionally provided with moisturizing pipeline (30) on the outside of wet gas wash tower, supplements the water in tower,
Ensure that unit there are enough waters in startup stage tower bottom collecting tank.
Filtered water tank (23) outlet of the present invention is connected by return pipe (31) with mist eliminator flushing water pump (24), demisting
Device flush water pump (24) is connected with mist eliminator flushing spraying layer (9), and water is recycled, and reduces cost.
Bubbling pallet (15) of the present invention, to be additionally arranged one or more percolation hole plate support on the basis of spray
Disk, percent opening 0.2-0.4, Circularhole diameter 32-65mm, circular hole improve gas-liquid mass transfer condition using being staggered in arrangement, improve
Treatment effeciency in tower.
Heat dissipation filler (6) of the present invention, is made of heat-sink unit module, can increase heat dissipation capacity, extends cooling water
Residence time increases heat exchange area, increases heat exchange amount, water distribution uniformity, and each unit module is radiated using plastic material honeycombed
Tube sheet, the single tube sheet sectional dimension that radiates is 1500 × 1500, and honeycomb inscribed circle is 10-25mm, cell height 800-
2000mm。
Water distributor (7) of the present invention, can be used two kinds of design schemes, and scheme one is designed to atomizer form,
Spiral nozzle can be used in nozzle, and nozzle atomization angle is 60-90 °, and arrangement of nozzles spacing is 600-1000mm, and shower water is in cross section
Coverage rate is 120-150%, and nozzle centerline and heat dissipation filler spacing are 1500-2500mm；Scheme two, which uses to drip, splashes formula, in tower
It is provided with water distribution branch pipe, the water distribution branch pipe spacing is 150mm, the aperture of φ 2 is provided on each each branch pipe of water distribution, water flow is from hole
It flows out, is dropped on the circular metal plate of underface, drop occurs and splashes atomization.Pitch of holes is 150 × 150mm, circular metal plate
Diameter is 50-80mm, and aperture and circular metal plate spacing are 200-300mm.
Flue axial flow blower group (11) of the present invention, using low pressure flue blower, blower along being circular layout 4-8 platform,
Blower direction of rotation is alternately arranged using clockwise/counterclockwise.
Dry air cooled heat exchanger (10) of the present invention, is made of air-cooled unit, can be used according to area needed for air-cooled unit
" V " type air-cooled unit air-cooled unit of (such as Fig. 2) or " one " type (such as Fig. 3), the air-cooled unit air inlet are provided with adjustment type gear
Plate (20), air-cooled unit are made of heat-exchanging tube bundle (21), and heat-exchanging tube bundle (21) uses metal fin pipe.Finned tube base tube diameter is
φ 25-32mm, fin height 12-16mm, spacing of fin 0.8-5mm, fin thickness 0.3-1mm.Wherein " V " type unit
Two panels heat-exchanging tube bundle is set, as shown in figure 4, a piece of heat-exchanging tube bundle is arranged in the air-cooled unit of " one " type (19), as shown in Figure 5.It is described
" V " type air-cooled unit (18) two panels heat-exchanging tube bundle angle is 45-65 °.Since Integral tower is at cylinder, air cooler is designed to
Air cooler fragment can be arranged on the outside of tower by above-mentioned modular form, well with fitting on the outside of existing tower wall, make full use of sky
Between, reduce occupied area.Secondly, air cooler group is circular layout, air inlet, which is designed as circumferential air inlet mode, to be guaranteed well
Flow distribution evenness improves complex heat transfer coefficient.Again, for most of white engineerings that disappear, (pH value is incoming flow flue gas at acid
4-6), therefore above-mentioned design form, air cooler is arranged in outside tower, Yin Tanei arrangement air-cooling device can be avoided to be brought well
Unit starting stage acid mist drop it is low to air cooler and caused by etching problem.
Radial direction mixer (12) of the present invention, can be used two kinds of design schemes, scheme one is set on exit normal flue
It is equipped with inside spin guide vane, screw pitch is set as 1.5-2 times of equivalent diameter；Scheme two is designed to staggered baffle plate water conservancy diversion knot
Structure, as shown in Figure 6.Every piece of baffle plate by hooking plate (28), straight panel (25), left inclined plate (26) and right inclined plate (27) modular unit backward
Composition, wherein inclined plate vertical paper direction in left and right is intermittent arrangement, and straight panel interlude is provided with square hole, wherein every layer staggered
Baffle plate is made of several pieces of modular units.
Embodiment
Gas Parameters are as follows, flue gas flow: 780000Nm3/h, flue-gas temperature: 54 DEG C, flue gas vapor volume fraction:
15%, Inlet dust content: 14mg/Nm3, atmospheric conditions: 12 DEG C, 80% relative humidity.System design parameters are as shown in table 1.
1 dry-wet integratedization flue gas of table disappears white dust-extraction unit design parameter
Calculation and check, which is analyzed, to be made that somewhere 1-12 month weather condition, as a result as shown in table 2 below.It can be with from table
Find out, for design conditions, can satisfy the white effect that disappears, white (the only night that disappears can be realized substantially for 1,2,12 3 month
Low temperature condition can generate a little white cigarette).
2 dry-wet integratedization flue gas of table disappears each month calculation and check of bletilla dust-extraction unit
Case study on implementation of the present invention and conventional condensation-heating process power consumption material consumption comparison are as follows, as can be seen from the table dry and wet
Integrated fume disappears, and white dust-extraction unit energy consumption is lower than conventional condensation-heating process, and supplies consumption is also lower.
3 material consumption of table and energy consumption comparison table
Disappear white technique, dry-wet integratedization of white in line, conventional condensation that do not disappear respectively of Fig. 7,8,9 disappears white technique thermal procession
Line, not disappearing as can be seen from the figure, white operating condition flue gas emission is into atmosphere and wet saturated line has intersection point, will form white cigarette, wet saturation
The area that line and straight-line intersection are surrounded is that condensation water quantity is directly proportional.Conventional condensation-heating process and the small white technique that disappears of integration
The final emission point of flue gas and atmosphere operating point not will form white cigarette without intersection point.But comparison conventional condensation technique and integration disappear white
White curve emission point and the wet saturated line of the connected linear distance of atmosphere operating point be more it can be found that integration disappears for technique thermal curve
Far, that is, it is smaller that a possibility that white cigarette is generated in discharge process occurs.
From above table as can be seen that in identical design objective, dry-wet integratedization tower energy consumption and material consumption compared with
Common process is lower, meanwhile, dry-wet integratedization tower also has dustproof function at clammy section.Therefore, the present invention has broader
Utilize space.
The technical means disclosed in the embodiments of the present invention is not limited only to technological means disclosed in above embodiment, further includes
Technical solution consisting of any combination of the above technical features.
Claims (9)
- The bletilla dust-extraction unit 1. a kind of dry-wet-coupled integrated fume disappears, including dry-wet integrated eliminate wet gas wash tower and associated satellite Equipment, it is described it is dry-wet integrated eliminate wet gas wash tower mainly by tower body itself (1), hot well (5), be bubbled pallet (15), Heat dissipation filler (6), water distributor (7), demister (8), mist eliminator flushing spraying layer (9), interior smoke evacuation chimney (14), dry air cooled heat exchanger (10), flue axial flow blower group (11), radial mixer (12), outer smoke evacuation chimney (13), ring support (17)；Associated satellite equipment Including circulating pump (3), discharge pump (4), inclined-tube settling box (22), filtered water tank (23), booster fan (2), mist eliminator flushing water pump (24), mud discharge pump (16), incoming flow wet flue gas flue (29), moisturizing pipeline (30), return pipe (31), water-circulating pipe (32), It is characterized in that: incoming flow wet flue gas flue (29) is connected with booster fan (2), booster fan (2) eliminates wet dedusting with dry-wet integrated Tower entrance is connected, and is sequentially arranged hot well (5) in tower from top to bottom, is bubbled pallet (15), heat dissipation filler (6), cloth Hydrophone (7), demister (8), mist eliminator flushing spraying layer (9) and interior smoke evacuation chimney are set on the outside of tower wall above the demister spraying layer A circle dry air cooled heat exchanger (10) is set, the dry air cooled heat exchanger is supported by ring support (17), and ring support is installed in tower wall, The interior smoke evacuation chimney (14) and dry air cooled heat exchanger (10) upper end are disposed with flue axial flow blower group (11), with the tower body sheet It is disposed with radial mixer (12) in the outer smoke evacuation chimney of side, the discharge pump (4) is connected with the tower bottom outlet of tower body itself, row Pump (4) outlet out is connected with inclined-tube settling box (22) entrance, and inclined-tube settling box underflow is connected with mud discharge pump (16), described oblique The outlet of pipe settling tank (22) settling section is connected with filtered water tank (23), and filtered water tank outlet passes through return pipe (31) and mist eliminator flushing water It pumps (24) to be connected, mist eliminator flushing water pump (24) is connected with mist eliminator flushing spraying layer (9), and hot well (5) passes through water Circulation pipe (32) connects circulating pump (3), and circulating pump (3) connects dry air cooled heat exchanger (10).
- The bletilla dust-extraction unit 2. a kind of dry-wet-coupled integrated fume as described in claim 1 disappears, it is characterised in that: the drum Bubble pallet (15) percent opening is 0.2-0.4, and Circularhole diameter 32-65mm, circular hole is using being staggered in arrangement.
- The bletilla dust-extraction unit 3. a kind of dry-wet-coupled integrated fume as described in claim 1 disappears, it is characterised in that: described to dissipate Hot filler (6) is made of heat-sink unit module, and each unit module is using plastic material honeycombed heat dissipation tube sheet, single heat-dissipating pipe Plate sectional dimension is 1500 × 1500, and honeycomb inscribed circle is 10-25mm, cell height 800-2000mm.
- The bletilla dust-extraction unit 4. a kind of dry-wet-coupled integrated fume as described in claim 1 disappears, it is characterised in that: the cloth For hydrophone (7) at atomization form of nozzle, nozzle uses spiral nozzle, and nozzle atomization angle is 60-90 °, and arrangement of nozzles spacing is 600- 1000mm, shower water are 120-150% in cross section coverage rate, and nozzle centerline and heat dissipation filler spacing are 1500-2500mm.
- The bletilla dust-extraction unit 5. a kind of dry-wet-coupled integrated fume as described in claim 1 disappears, it is characterised in that: the cloth Hydrophone (7) splashes formula using drop, and water distribution branch pipe is provided in tower, and the water distribution branch pipe spacing is 150mm, opens on each each branch pipe of water distribution There is the aperture of φ 2, water flow is flowed out from hole, is dropped on the circular metal plate of underface, and drop occurs and splashes atomization, pitch of holes is 150 × 150mm, circular metal board diameter are 50-80mm, and aperture and circular metal plate spacing are 200-300mm.
- The bletilla dust-extraction unit 6. a kind of dry-wet-coupled integrated fume as described in claim 1 disappears, it is characterised in that: the cigarette Road axial flow blower group (11) low pressure flue blower, blower is along the 4-8 platform that is circular layout, and blower direction of rotation is using clockwise/inverse time Needle is alternately arranged.
- The bletilla dust-extraction unit 7. a kind of dry-wet-coupled integrated fume as described in claim 1 disappears, it is characterised in that: the dry type Air cooler (10) is made of air-cooled unit, according to area needed for air-cooled unit use " V " type or " one " type, the air-cooled unit into Air port is provided with adjustment type baffle (20), and air-cooled unit is made of heat-exchanging tube bundle (21), and heat-exchanging tube bundle (21) uses metal fin Pipe, finned tube base tube diameter are φ 25-32mm, fin height 12-16mm；Wherein two panels heat-exchanging tube bundle is arranged in " V " type unit, A piece of heat-exchanging tube bundle is arranged in " one " type unit, and " V " the type unit two panels heat-exchanging tube bundle angle is 45-65 °.
- The bletilla dust-extraction unit 8. a kind of dry-wet-coupled integrated fume as described in claim 1 disappears, it is characterised in that: the radial direction Mixer (12) is that inside spin guide vane is provided on exit normal flue, and screw pitch is set as 1.5-2 times of equivalent diameter.
- The bletilla dust-extraction unit 9. a kind of dry-wet-coupled integrated fume as described in claim 1 disappears, it is characterised in that: the radial direction Mixer (12) is at staggered baffle plate flow-guiding structure, and every piece of baffle plate by hooking plate (28), straight panel (25), left inclined plate (26) backward It is formed with right inclined plate (27) modular unit, wherein inclined plate vertical paper direction in left and right is intermittent arrangement, the straight panel interlude side of being provided with Shape hole, wherein every layer of staggered baffle plate is made of several pieces of modular units.
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| CN201821822636.4U CN209438305U (en) | 2018-11-07 | 2018-11-07 | A kind of dry-wet-coupled integrated fume disappears bletilla dust-extraction unit |
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| CN201821822636.4U CN209438305U (en) | 2018-11-07 | 2018-11-07 | A kind of dry-wet-coupled integrated fume disappears bletilla dust-extraction unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113101778A (en) * | 2021-04-14 | 2021-07-13 | 浙江理工大学 | Electrolytic aluminum tail gas pollutant cooperative purification system and method |
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2018
- 2018-11-07 CN CN201821822636.4U patent/CN209438305U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113101778A (en) * | 2021-04-14 | 2021-07-13 | 浙江理工大学 | Electrolytic aluminum tail gas pollutant cooperative purification system and method |
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