CN105854471A - Factory air pollution suspended particle settling system - Google Patents
Factory air pollution suspended particle settling system Download PDFInfo
- Publication number
- CN105854471A CN105854471A CN201610314873.9A CN201610314873A CN105854471A CN 105854471 A CN105854471 A CN 105854471A CN 201610314873 A CN201610314873 A CN 201610314873A CN 105854471 A CN105854471 A CN 105854471A
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- Prior art keywords
- expansion chamber
- factory
- pollutes
- air
- suspended particles
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- 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
- B01D47/06—Spray cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2247/00—Details relating to the separation of dispersed particles from gases, air or vapours by liquid as separating agent
- B01D2247/14—Fan arrangements for providing induced draft
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a factory air pollution suspended particle settling system. According to the system, a section of transition flue (2) is formed in the tail end of an original exhaust chimney (1); the transition flue (2) is communicated with a section of air inlet flue (3); the air inlet flue (3) is connected with more than two settling chambers which are communicated in sequence; spraying equipment (9) is arranged in the settling chambers; a first fan (4) is arranged at a position, opposite to the inlet of the first settling chamber, of the air inlet flue (3); a second fan (6) is arranged on a front inner side wall of the first settling chamber; a cut-off valve (5) is arranged between the air inlet flue (3) and the first settling chamber. According to the system disclosed by the invention, suspended air particles discharged from the factory can be effectively settled at the beginning of discharging, the number of the suspended air particles during discharging can be effectively reduced by at least 70%, the original equipment system of the factory is not changed, the whole set of equipment is low in investment cost, easy to implement and worthy of popularization.
Description
Technical field
The present invention relates to environmental protection and technical field of atmospheric pollution control, particularly relate to a kind of factory air and pollute precipitate suspended particles system.
Background technology
Development process along with human industry, the airborne suspended particulate (PM2.5) that industrial production produces in process of production also gets more and more, have influence on the production of the people, life and health therefrom and cause very big inconvenience, even there is the situation in one city of air exhaust emission of a factory, London dense fog event such as nineteen fifty-two etc., and the proportion that the air pollution of plant emissions is in present bad weather haze is also that comparison is high.Therefore, the flue dust that major part factory is required for discharging processes, and those skilled in the art have also carried out substantial amounts of technological innovation at this aspect.
Such as Application No. 201410308368.4, entitled a kind of rotary provide a kind of rotary except suspension coal slime particl method and applicable equipment thereof except the Chinese patent open source literature of suspension coal slime particl method and equipment, the method is to arrange some dividing plate screen packs at rotary barrel inwall along radial direction angle at equal intervals, by following the rotating filter coal slime particulate matter of rotary barrel, then single filter net is set in the middle part of rotary barrel inwall, single filter net will be perpendicular to axis direction and dividing plate screen pack be divided into two parts, again cascade filtration net is set in rotary barrel inwall front portion, also include a coal slime powder chute in axial direction run through within rotary barrel, for receiving the coal slime solid particle of dividing plate filter screen filtration gained.This technology can solve now mine water to be recycled difficulty, and the coal slime settling pond of conventional method is taken up an area big, is not suitable for being applied to down-hole, and needs to throw in the problem that flocculating agent cost is high.
And for example Application No. 201310167568.8, the Chinese patent open source literature of a kind of entitled method accelerating nano granule suspension separation of solid and liquid provides a kind of method accelerating nano granule suspension separation of solid and liquid, the method is by adding organic polymer coargulator polyacrylamide (PAM in nano granule suspension, molecular formula C3xH5xNxOx), at its adsorption bridging, net is caught under the volume effect of sweeping etc., through mixing, flocculated stage, it is big that nano particle and PAM form particle diameter, free settling flco, accelerate nano particle sedimentation, realize separation of solid and liquid under gravity, reduce supernatant nano particle residual quantity, and significantly reduce delivery turbidity, ensure effluent quality.The method is applicable to the separation of solid and liquid containing nano granule suspension, as used nano material to carry out the suspension of water pollution control generation.
And for example Application No. 201510401571.0, the Chinese patent open source literature of entitled a kind of suspended particulate heavy speed grading plant and method discloses a kind of suspended particulate heavy speed grading plant, including settlement barrel, also include the classification collector unit being connected with settlement barrel sidewall, classification collector unit includes: seals and accommodates chamber, is provided with the import and export connected with settlement barrel sidewall；Multiple heavy mud boxes, are arranged on receiving and wait in chamber for collecting suspended particulate, and each heavy mud box is vertically distributed and can move between receiving chamber and settlement barrel sealing by importing and exporting in the horizontal direction；Drive mechanism, is used for driving described heavy mud box to move；Using this heavy speed stage division that suspended particulate can arbitrarily be divided into the heavy speed of multiple continuous print interval, the rate of recovery is relatively high and stable.
But, existing this kind of device, mostly need also exist for former factory smoke evacuation system is transformed, and implementation cost crosses the problems such as height, the most not ideal enough.
Summary of the invention
It is an object of the invention to provide a kind of factory air and pollute suspended particulate (PM2.5) sedimenting system, to solve the process problem of the airborne suspended particulate (PM2.5) produced during factory industry produces, and this factory air of present invention pollution precipitate suspended particles system not only effect of settling is good, and need not factory's existing equipment system is modified.
The technical scheme is that such:
The present invention is that a kind of factory air pollutes precipitate suspended particles system, and it is to arrange one section of transition flue duct at the end of former exhaust chimney, and therefore it need not carry out the fume extractor of original factory removing transformation.Transition flue duct connects one section of inlet air stack, transition flue duct makes to be formed between former exhaust chimney and inlet air stack a bending segment, the existence of this bending segment makes particulate matter heavier in flue gas first by certain (Accelerating running), and lighter particulate matter enters into inlet air stack together with hot gas.Inlet air stack connects the expansion chamber that two or more is sequentially connected, and according to the scale of factory, expansion chamber can arrange multiple multistage connected, settles step by step.Expansion chamber is provided with spraying apparatus, spraying apparatus may be provided at top of settling chamber, sidewall or bottom, its object is to, by high-pressure fog, the flue gas carrying particulate matter is carried out cooling-sedimentation, make suspended particulate substance flow into together with water smoke in the drainage ditch bottom expansion chamber and discharge；At inlet air stack, just porch to first expansion chamber is provided with the first blower fan, first blower fan can promote that flue gas enters expansion chamber, to avoid making flue gas admission velocity relatively slow because the temperature of (air less circulates and causes flue gas to block) expansion chamber is relatively low, thus improve the treatment effeciency of whole system.The front madial wall of first expansion chamber is provided with the second blower fan, the wind of the second blower fan blowout makes the flue gas carrying suspended particulate substance disperse in first expansion chamber i.e. 1# expansion chamber come, so be conducive to spraying apparatus that it is carried out spraying sedimentation, it is provided with cut-out cock between inlet air stack and the first expansion chamber, flue gas can be blocked and enter passage, in order to the situations such as system maintenance.
As further improving, being separated by a point divider wall between adjacent expansion chamber, a point divider wall is positioned in the middle part of expansion chamber, and point divider wall two ends are provided with flue gas around passage.I.e. flue gas unrolls from both sides and enters next expansion chamber rather than be directly entered next expansion chamber, so can improve the flue gas hang time in the first expansion chamber, so that spraying treatment is in hgher efficiency.And during flue gas unrolls, it is also beneficial to the sinking of the bigger particulate matter of gravity.
Further, the angle α between base plate and the former exhaust chimney of transition flue duct is more than or equal to 60 °.Owing to being provided with some inclination angles, after making flue gas rising be obstructed, particulate matter therein sedimentation is unlikely to be blocked in transition flue duct top, but glide from inclined plane, and fall bottom inlet air stack thus be blown in 1# expansion chamber by the first blower fan, the flowing water bottom final and expansion chamber is mixed in drainage ditch discharge.Therefore, the present invention is provided with drainage ditch in the bottom of expansion chamber, and drainage ditch connects outer drainage and sedimentation basin at the end of last expansion chamber, and in sedimentation basin, the particulate matter of precipitation, can be recycled.
It addition, be provided with exhaust outlet and exhaust fan at the rear wall top of last expansion chamber.It is additionally provided with clean-out door, and clean-out door can be opened multiple, and each expansion chamber can be opened.
The airborne suspended particulate (PM2.5) of plant emissions can effectively be started i.e. to settle by the present invention in discharge, can effectively reduce the airborne suspended particulate (PM2.5) quantity in discharge, at least can reduce by 70%, and for factory's existing equipment system without change, the cost of investment of complete equipment is relatively low, easy to implement, it is worthy to be popularized.
Accompanying drawing explanation
Fig. 1 is that the system of the present invention arranges schematic diagram.
The former exhaust chimney of description of reference numerals: 1-, 2-transition flue duct, 3-inlet air stack, 4-the first blower fan, 5-cut-out cock, 6-the second blower fan, 7-1# expansion chamber, 8-2# expansion chamber, 9-spraying apparatus, 10-divides divider wall, 11-exhaust outlet, 12-clean-out door, the outer drainage of 13-and sedimentation basin, 14-drainage ditch, 15-exhaust fan.
Detailed description of the invention
The present invention is described in further detail with embodiment below in conjunction with the accompanying drawings.
As shown in Fig. 1, the present invention is that a kind of factory air pollutes precipitate suspended particles system, it is to arrange one section of transition flue duct 2 at the end of former exhaust chimney 1, transition flue duct 2 connects one section of inlet air stack 3, inlet air stack 3 connects the expansion chamber that two or more is sequentially connected, in Fig. 1 show be two expansion chambers be connected situation, i.e. 1# expansion chamber 7 and 2# expansion chamber 8, actual application can increase the quantity of expansion chamber, thus improve treatment effeciency.
Expansion chamber is provided with in spraying apparatus 9(Fig. 1,1# expansion chamber 7 and 2# expansion chamber 8 is equipped with spraying apparatus 9), spraying apparatus 9 is mainly disposed on the sidewall of expansion chamber, it is possible to be arranged on top or the bottom of expansion chamber, so that be all by settlement treatment of spraying from all angles；At inlet air stack 3, just porch to first expansion chamber is provided with the first blower fan 4, the front madial wall of first expansion chamber is provided with the second blower fan 6, between inlet air stack 3 and the first expansion chamber, it is provided with cut-out cock 5(may also set up a cut-out cock 5 in the front of the first blower fan 4, the passage between the first blower fan 4 and recent flue 3 can be blocked, two blower fans and cut-out cock 5 can control intake velocity, thus process time and treating capacity according to actual conditions control.Being separated by a point divider wall 10 between adjacent expansion chamber, a point divider wall 1 is positioned in the middle part of expansion chamber, and point divider wall 1 two ends are provided with flue gas around passage.
Being provided with drainage ditch 14 bottom expansion chamber, drainage ditch 14 is connected with outer drainage and sedimentation basin 13, and outer drainage and sedimentation basin 13 are according to the principle manufacture of link of instruments device or setting.Exhaust fan 15 and exhaust outlet 11 are set at the top of last expansion chamber.
Embodiment 1:
As shown in Figure 1, certain midget plant relied on former exhaust chimney 1 to be exhausted originally, and containing a large amount of suspended particulate substances in the flue gas that this factory discharges, caused greatly pollution, therefore existing equipment is transformed, become the sedimenting system of a kind of two-stage expansion chamber of the present invention as shown in Figure 1.So, when carrying the flue gas of a large amount of suspended particulate contaminants from the former outside discharge process of exhaust chimney 1, introduced in inlet air stack 3 by transition flue duct 2, at this moment guarantee that cut-out cock 5 is in open mode, open the first blower fan 4, under the guiding of the first blower fan 4, flue gas enters 1# expansion chamber 7 smoothly, it is then turned on the second blower fan 6, second blower fan 6 is in the middle part of 1# expansion chamber front inner wall, under the agitating of this second blower fan 6, flue gas disperse in 1# expansion chamber 7 is come, at this moment spraying apparatus 9 is opened, spraying apparatus 9 sprays fog, suspended particulate substance in flue gas is started sedimentation by nebulization, and along with current enter in drainage ditch 14, finally it is pooled in outer drainage and sedimentation basin 13.
After 1# expansion chamber 7 settlement treatment, still possibly together with a certain amount of suspended particulate substance in flue gas, these flue gases are stopped by a point divider wall 10, point divider wall 10 shown in Fig. 1 is unsettled setting, it is respectively arranged with an air intake passage up and down, therefore from the two ends up and down of point divider wall 10, cincture enters 2# expansion chamber 8 to flue gas, 2# expansion chamber 8 also is provided with spraying apparatus 9, spraying apparatus 9 carries out settlement treatment of spraying again to flue gas, then the lightweight flue gas after processing is discharged from exhaust outlet 11, heavy suspended particulate settles downwards, or import drainage ditch 14, or by manually cleaning away from clean-out door 12.
Certainly, being more than the concrete exemplary applications of the present invention, the present invention also has the technical scheme that other embodiment, all employing equivalents or equivalent transformation are formed, within all falling within protection domain of the presently claimed invention.
Claims (5)
1. a factory air pollutes precipitate suspended particles system, it is characterized in that: it is to arrange one section of transition flue duct (2) at the end of former exhaust chimney (1), transition flue duct (2) connects one section of inlet air stack (3), inlet air stack (3) connects the expansion chamber that two or more is sequentially connected, and is provided with spraying apparatus (9) in expansion chamber；At inlet air stack (3), just porch to first expansion chamber is provided with the first blower fan (4), is provided with the second blower fan (6), is provided with cut-out cock (5) between inlet air stack (3) and the first expansion chamber on the front madial wall of first expansion chamber.
Factory air the most according to claim 1 pollutes precipitate suspended particles system, it is characterized in that: be separated by a point divider wall (10) between adjacent expansion chamber, dividing divider wall (1) to be positioned in the middle part of expansion chamber, point divider wall (1) two ends are provided with flue gas around passage.
Factory air the most according to claim 2 pollutes precipitate suspended particles system, it is characterised in that: the angle α between base plate and the former exhaust chimney (1) of described transition flue duct (2) is more than or equal to 60 °.
Factory air the most according to claim 2 pollutes precipitate suspended particles system, it is characterised in that: be provided with drainage ditch (14) in the bottom of expansion chamber, drainage ditch (14) connects outer drainage and sedimentation basin (13) at the end of last expansion chamber.
Factory air the most according to claim 2 pollutes precipitate suspended particles system, it is characterised in that: exhaust outlet (11) and exhaust fan (15) it is provided with at the rear wall top of last expansion chamber；This system is additionally provided with clean-out door (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610314873.9A CN105854471A (en) | 2016-05-13 | 2016-05-13 | Factory air pollution suspended particle settling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610314873.9A CN105854471A (en) | 2016-05-13 | 2016-05-13 | Factory air pollution suspended particle settling system |
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| Publication Number | Publication Date |
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| CN105854471A true CN105854471A (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610314873.9A Pending CN105854471A (en) | 2016-05-13 | 2016-05-13 | Factory air pollution suspended particle settling system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115569466A (en) * | 2022-09-15 | 2023-01-06 | 淮南市宜青环境检测有限公司 | Large-diameter floater collecting equipment in ambient air |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115569466A (en) * | 2022-09-15 | 2023-01-06 | 淮南市宜青环境检测有限公司 | Large-diameter floater collecting equipment in ambient air |
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Application publication date: 20160817 |
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