CN107362646A - A kind of water mist dust-removing system - Google Patents
A kind of water mist dust-removing system Download PDFInfo
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- CN107362646A CN107362646A CN201710778042.1A CN201710778042A CN107362646A CN 107362646 A CN107362646 A CN 107362646A CN 201710778042 A CN201710778042 A CN 201710778042A CN 107362646 A CN107362646 A CN 107362646A
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- 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
- B01D50/40—Combinations of devices covered by groups B01D45/00 and B01D47/00
Abstract
The present invention discloses a kind of water mist dust-removing system, centrifugal separating device, Water-fog dusting apparatus, the demister set including stagewise, high humidity high-temperature gas flows through each region successively, acted on by the structure design to device inner draft tube, water-locator, the superfine nozzle of high pressure, deflector, demister etc. and each area's different principle, big dust particle, fine particle dust and moisture in gas are removed successively, effective dedusting is carried out to the dusty gas of high humidity, high temperature and cooling, dust removal efficiency can reach more than 99%.Further, the system can also integrate Water warfare and EGR, the overflow water of Water-fog dusting apparatus and demister is purified by Water warfare and EGR, and the water after purification is flowed into centrifugal separating device and Water-fog dusting apparatus again, to realize the recycling of water, the usage amount of water for dust removal is greatlyd save, reduces operating cost.
Description
Technical field
The invention belongs to enviromental protection and improvement technical field, and in particular to it is (not high that one kind is applied to high humidity (saturation), high temperature
In 130 DEG C) dust effectively removes in gas water mist dust-removing system.
Background technology
In recent years, developing rapidly with economy, the atmosphere pollution that industrial furnace discharges cause very big to surrounding environment
Harm, so it is more and more important to reduce the technology that it is discharged to air that particulate matter is removed from dusty gas.
By the energy natural endowment condition in China is limited, coal is all the main primary energy in China all the time, it is this with
Carbon dioxide, sulfur dioxide, flue dust, dust etc. produced by energy resource structure based on coal determines coal burning are to cause China big
An important factor for gas pollutes.Meanwhile flue dust, the dust emission that the high speed development of the industry such as metallurgy, cement, waste incineration is brought enter
One step adds the pressure of environmental protection.For environment, be discharged into air dust for a long time float can reduce atmospheric visibility,
Coal-smoke pollution can be caused；For human body, respirable dust can cause gradual pulmonary fibrosis, cause PFT to subtract
Move back, trace heavy metal element, the radioactive element contained in dust can also cause the mortality disease such as senile dementia, leukaemia
Disease.In order to mitigate these harm, Main Means and equipment of the deduster as air dedusting, adopted extensively by each industrial department
With.
However, dust removal difficulty is big in high humidity (saturation), high temperature (being not higher than 130 DEG C) gas, single deduster dedusting
Efficiency is low, and high energy consumption is, it is necessary to there is the removal of new dust removal method and device realization to dust in high humidity, high-temperature gas.
The content of the invention
To solve the above problems, the invention discloses a kind of water mist dust-removing system, further to improve high humidity (saturation), height
Dust clearance in temperature (being not higher than 130 DEG C) gas.
Water mist dust-removing system disclosed by the invention, including stagewise set centrifugal separating device, Water-fog dusting apparatus, remove
Mist device, wherein,
Centrifugal separating device includes Disengagement zone body, the first air inlet, the first gas outlet, positioned at Disengagement zone body bottom portion
Ash silo is received, wherein, multiple guide shells in cellular arrangement are vertically arranged in the body of Disengagement zone, the inlet end of guide shell passes through
Gas distribution unit connects with the first air inlet；Gas distribution unit has and guide shell quantity identical air-spreading disk, air-spreading disk and guide shell
Inlet end corresponding connect；The outlet side of each guide shell is disposed with escape pipe, and blower fan, the separation are disposed with the first gas outlet
Area's bodies top is disposed with the cleaning unit for cleaning guide shell and gas distribution unit, and cleaning unit has multiple cleaning sprayers；
Water-fog dusting apparatus includes dedusting area body, the second air inlet, the second gas outlet, positioned at dedusting area body bottom portion
Muddy water storehouse, wherein, the first gas-flow deflector is disposed with the body of dedusting area, is divided dedusting area body by the first gas-flow deflector
The first inlet channel and dirt pocket being connected are cut into, the first inlet channel connects with the second air inlet, and dirt pocket goes out with second
Gas port connects；Water-locator and at least one piece of deflector are disposed with dirt pocket from top to bottom, water-locator has multiple delivery port courts
Under waterfog head and for adjusting water outlet water and the adjustment control device of hydraulic pressure, there are multiple pod apertures on deflector；Second
Air inlet is connected by pipeline with the first gas outlet；
Demister include except fog-zone body, the 3rd air inlet, the 3rd gas outlet, be arranged in it is net except fog-zone body bottom portion
Sump, wherein, except the second gas-flow deflector is disposed with the body of fog-zone, fog-zone body will be removed by the second gas-flow deflector and split
Into the second inlet channel being connected and fog chamber is removed, the second inlet channel connects with the 3rd air inlet, except fog chamber and the 3rd outlet
Mouth is connected, and the demister for removing aqueous vapor in gas is arranged in demisting room；3rd air inlet passes through pipeline and the second gas outlet
Connection.
As a kind of preferred scheme, air-spreading disk uses Dual-layer structure, by relative position between double-decker adjust into
The size and angle of tolerance.
As a kind of preferred scheme, guide shell is cylinder-like structure, and top has multiple oblique air admission holes as inlet end
Connected by air-spreading disk with the first air inlet, top also has an escape pipe for wearing air-spreading disk as outlet side, bottom tool
There is one section of cone structure, and an ash tube is arranged in the bottom of cone structure；Each cleaning sprayer and escape pipe it is staggered and
The delivery port of cleaning sprayer is located at below the gas outlet of escape pipe；Have one to be available for the escape pipe of guide shell interspersed on air-spreading disk
Outlet pore；Gas enters gas distribution unit by the first air inlet, enters guide shell by the way that air-spreading disk and each oblique air admission hole are oblique,
Guide shell is discharged by escape pipe after being centrifuged, then the discharge of the first gas outlet is pooled to after fan action.
As a kind of preferred scheme, cleaning unit arranged beneath has isolated location, and isolated location has multiple with cleaning spray
The adaptable division board of head size and location, the division board have movable turn over function, are used to stop when system dust removing is run
The intrinsic gas in dedusting area enters cleaning sprayer, and being flipped an angle when system maintenance is cleaned makes spray liquid fall directly into cloth
Gas unit and guide shell.
As a kind of preferred scheme, the second air inlet of Water-fog dusting apparatus is arranged in the top of dedusting area body, and first
The top surface of dedusting area body is fixed in one end of gas-flow deflector, and the other end extends to the bottom of dedusting area body and between bottom surface
At a certain distance, dedusting area body is divided into the first inlet channel and dirt pocket being connected, air-flow is from the second air inlet
Dirt pocket is flowed into the first inlet channel, and by the first inlet channel.
As a kind of preferred scheme, in Water-fog dusting apparatus, the waterfog head of water-locator is the superfine nozzle of high pressure, uniform cloth
Put in the cross section of dirt pocket, to form the fine and closely woven moisture film of one layer of covering dedusting chamber cross-section.
As a kind of preferred scheme, in demister, demister includes three-stage deflection plate, and each section of deflection plate is mutually only
Stand and be connected with the angle demodulator for adjusting deflection plate angle of inclination.
As a kind of preferred scheme, receive ash silo, muddy water storehouse and clean water sump and be each equipped with the level-sensing device that mutually links and automatic
Discharge valve.
As a kind of preferred scheme, the system also includes Water warfare and EGR, the muddy water storehouse of Water-fog dusting apparatus and
The clean water sump of demister is disposed with overfall, and the water of the overfall discharge of muddy water storehouse and clean water sump flows into Water warfare by pipeline
And EGR, it is re-fed into centrifugal separating device after Water warfare and EGR purification and is periodically cleaned as centrifugal separating device
Nebulization dust water is used as by the use of water and/or feeding demister.
As a kind of preferred scheme, Water warfare and EGR include clean room's body, overflow water receiving port, water supplement port,
Circulating water self-cleaning interface, cycling use of water mouth and sewage draining exit, wherein, circulating water self-cleaning packing area is disposed with clean room's body, its
Bottom is disposed with shallow lake area and clear water zone, and the water after circulating water self-cleaning packing area purifies falls into clear water zone, muddy water storehouse and clean water sump
Overfall discharge water connected by pipeline with overflow water receiving port and flow into settling zone；Cycling use of water mouth is arranged on clear water zone
The water of clear water zone is simultaneously delivered to centrifugal separating device by pipeline and delivery pump and is used as the regular Clean- of centrifugal separating device by side
Water and Water-fog dusting apparatus is delivered to as nebulization dust water；Circulating water self-cleaning interface be arranged on settling zone side and by pipeline and
The water of settling zone is introduced to circulating water self-cleaning packing area and purified by delivery pump；Water supplement port is used for Water warfare and EGR is determined
Phase supplements water；Sewage draining exit is used for the periodical blowdown to settling zone and clear water zone.
Water mist dust-removing system disclosed by the invention has the advantages that：
(1) three centrifugal separating device, Water-fog dusting apparatus, demister functional areas are integrated with, are set using classification
Mode, high humidity high-temperature gas flow through each region successively, under being acted on by each area's different principle, remove bulky grain powder in gas successively
Dirt, fine particle dust and moisture, effective dedusting is carried out to the dusty gas of high humidity, high temperature and cooling, clearance can reach
More than 99% so that high temperature, the dirt in high humidity dusty gas, gas and water are completely separated totally.
(2) according to needing the gas temperature of processing gas, humidity, dustiness etc. and need effect, the treatment effeciency reached, lead to
Cross and device inner draft tube, water-locator, the superfine nozzle of high pressure, receipts ash silo, the structure in muddy water storehouse are designed, and in the course of work
In to centrifugal separating device, Water-fog dusting apparatus, demister dependency structure operational factor selection control, so as to realize height
Effective removal of dust in wet (saturation), high temperature (being not higher than 130 DEG C) dusty gas, and can be by demister to gas after purification
Body is cooled, and advantage is provided for follow-up system processing.
(3) system can also integrate Water warfare and EGR, by Water warfare and EGR by Water-fog dusting apparatus
Purified with the overflow water of demister, and the water after purification is flowed into centrifugal separating device and Water-fog dusting apparatus again, with
The recycling of water is realized, greatlys save the usage amount of water for dust removal, reduces operating cost.
(4) system fully utilizes centrifugation and water mist dust-removing principle, and dedusting and cooling can be achieved, can be directly used in
The removal of dust in high humidity, high-temperature gas, and coordinate demister to dehumidify purification gas, realize that dirt, gas and water separation are dry
It is net thorough；The water circulation of whole device is further also realized by Water warfare and EGR, makes dedusting and atomization water circulation
Use, integral layout is reasonable, simple to operate, and operation is low with maintenance cost.
Brief description of the drawings
Fig. 1 is the scantling plan of the water mist dust-removing system disclosed in embodiment.
The centrifugal separating device structural representation in water mist dust-removing system disclosed in Fig. 2 embodiments.
The Water-fog dusting apparatus structural representation in water mist dust-removing system disclosed in Fig. 3 embodiments
The demister structural representation in water mist dust-removing system disclosed in Fig. 4 embodiments
The Water warfare and EGR schematic diagram in water mist dust-removing system disclosed in Fig. 5 embodiments
The partial structural diagram of the guide shell in water mist dust-removing system disclosed in Fig. 6 embodiments
The air-spreading disk structural representation in water mist dust-removing system disclosed in Fig. 7 embodiments
The partition plate structure schematic diagram in water mist dust-removing system disclosed in Fig. 8 embodiments
Reference：
Centrifugal separating device 1：Disengagement zone body 101, air inlet 102, gas outlet 103, air-spreading disk 104, upper strata air-spreading disk
1041st, lower floor's air-spreading disk 1042, outlet pore 1043, guide shell 105, receive ash silo 106, be cleaning sprayer 107, division board 108, solid
Fixed end 1081, movable end 1082, loose collar 1083, gravity flap valve 109, level meter 110, automatic discharging valve 111, escape pipe
112nd, ash tube 113, insulation jacket 114, oblique air admission hole 115；
Water-fog dusting apparatus 2：Dedusting area body 201, air inlet 202, gas outlet 203, water-locator 204, adjustment control device
205th, the superfine nozzle 206 of high pressure, deflector 207, muddy water storehouse 208, overfall 209, liquid level gauge 210, automatic discharging valve 211, gas
Flow guide plate 212, inlet channel 213, dirt pocket 214；
Demister 3：Except fog-zone body 301, air inlet 302, gas outlet 303, gas-flow deflector 304, deflection plate 305,
Angle demodulator 306, clean water sump 307, automatic discharging valve 308, overfall 309, liquid level gauge 310, inlet channel 311, except fog chamber
312；
Water warfare and EGR 4：Clean room's body 401, circulating water self-cleaning packing area 402, overflow plate 403, overflow water
Receiving port 404, water supplement port 405, circulating water self-cleaning interface 406, cycling use of water mouth 407, sewage draining exit 408, settling zone 409, clear water
Area 410, circulating water self-cleaning elevator pump 411, liquid level gauge 412.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment the present invention will be further described.
A kind of energy-saving water mist dust pelletizing system disclosed in embodiment, the system pass through structure design, comprehensive utilization centrifugation point
From, water mist dust-removing principle, set using stagewise, centrifugal separating device, Water-fog dusting apparatus, demister are set respectively, it is high
Wet (saturation), high temperature (being not higher than 130 DEG C) gas flows through each region successively, is centrifuged and water film dedusting, folded plate by gravity
Under the effect of each area's different principle of demisting, remove big dust particle, fine particle dust and moisture in gas successively, realize high temperature,
Dust clearance reaches more than 99% in high humidity dusty gas, and dirt, gas and water separation are clean thorough.The system integrally have cooling,
Dustproof function, device is rationally distributed, simple to operate, and dirt, gas and water separation are clean thorough, and atomization is used with water circulation, operating cost
It is low.Each apparatus main body material can be adopted as stainless steel or ceramics.
As shown in figure 1, the energy-saving water mist dust pelletizing system includes centrifugal separating device 1, Water-fog dusting apparatus 2, demisting dress
Put 3 and Water warfare and EGR 4.
With reference to shown in Fig. 2, centrifugal separating device 1 mainly includes Disengagement zone body 101, positioned at the bottom of Disengagement zone body 101
Taper receive ash silo 104 and separation guide shell 105, cleaning sprayer 107 and division board inside Disengagement zone body 101
108 etc., it is arranged at the gravity flap valve 109 received in ash silo 104, level meter 110, automatic discharging valve 111 etc..Disengagement zone body
101 side-walls close to top are provided with air inlet 102, and top surface offers gas outlet 103 and blower fan (not shown).
With multiple guide shells 105 in vertical cellular arrangement, the top layout of guide shell 105 in Disengagement zone body 101
There is gas distribution unit.With reference to shown in Fig. 6, core cell of the guide shell 105 as centrifugal separating device 1, it is centrifuged by gravity makees
With the removal for realizing big dust particle in gas.Guide shell 105 is cylinder-like structure, and its top has multiple oblique air admission holes
115 connect as inlet end through air-spreading disk 104 with the first air inlet 102, and top also there is an escape pipe 112 to be used as outlet
End, bottom has one section of cone structure, and arranges an ash tube 113 in the bottom of cone structure.
Gas distribution unit has air-spreading disk 104 multiple equal with the quantity of guide shell 105 and that position is corresponding.With reference to Fig. 7 institutes
Show, air-spreading disk 104 can use Dual-layer structure, that is, scheme lower floor's air-spreading disk in the upper strata air-spreading disk 1041 and figure (b) in (a)
1042, the centre of air-spreading disk 104 has the interspersed outlet pore 1043 of an escape pipe 112 being available in guide shell 105, can pass through tune
The size and angle of relative position regulation air inflow between section double-decker.
Gas enters gas distribution unit by the first air inlet 102, passes through the 115 oblique entrance of air-spreading disk 104 and oblique air admission hole
Guide shell 105, is discharged after being centrifuged by escape pipe 112, and the first gas outlet 103 is collected to after fan action and is discharged.
To ensure the cleaning in Disengagement zone body 101, in Disengagement zone, the top of body 101 there also is provided cleaning unit, be used for
Guide shell 105, gas distribution unit and the internal other structures of periodic cleaning Disengagement zone body 101, cleaning unit have multiple water outlets
The cleaning sprayer 107 of mouth down.Further, to avoid use for a long time from causing cleaning sprayer 107 to block, under cleaning unit
Side there also is provided isolated location, and isolated location has polylith division board 108.Division board 108 is accordingly arranged in cleaning sprayer 107
Lower section, for can be achieved upset bascule.In normal operation, cleaning unit does not work, and division board 108 is in horizontal cloth
Put, enter cleaning sprayer 107 for isolating the gas in Disengagement zone body 101, prevent cleaning sprayer 107 from blocking；Stopping work
When needing cleaning device, it can vertically flip an angle, or even 90 degree, be advantageous to cleaning sprayer 107 and smoothly spray water outlet
To clean gas distribution unit and guide shell 105.A kind of structural representation of division board 108 is provided with reference to shown in Fig. 8, in embodiment,
It includes fixing end 1081, movable end 1082 and loose collar 1083, and fixing end 1081 can be secured transverse to Disengagement zone by support
The inside of body 101, movable end 1082 is laterally fixed by loose collar 1083, manually controls loose collar 1083 so that every
It can make its turn over function from plate 108, realize the isolation of gas or the following current of spray liquid.Certainly, the division board 108 in practical application
This structure is not limited to, can such as use the design of automatic turning or other forms.
Gravity flap valve 109, gravity flap valve 109 are set between the ash tube 113 of guide shell 105 and receipts ash silo 106
Valve plate automatically turned under the Action of Gravity Field for the dust that ash tube 113 accumulates, fall behind under material, weighted lever system makes valve again
Plate automatically resets, in case ash tube 113 automatically turns on blanking after accumulating dust next time.
Automatic discharging valve 111 is set receiving the bottom of ash silo 106, side wall is provided with level meter 110, the He of automatic discharging valve 111
Level meter 110 has linkage effect, and when height of materials reaches the high thing position of the setup parameter of level meter 110, automatic discharging valve 111 is beaten
Start discharging material, be dumped into the low thing position that height of materials reaches the setup parameter of level meter 110, automatic discharging valve 111 is closed.
The outer wall of Disengagement zone body 101 sets insulation jacket 114, and to ensure that the temperature inside guide shell 105 is constant, reduction is led
The centrifugation of flow cartridge 105 is influenceed by ambient temperature.
With reference to shown in Fig. 3, Water-fog dusting apparatus 2 mainly includes dedusting area body 201 and positioned at the bottom of dedusting area body 201
And the muddy water storehouse 208 of tapered structure, positioned at the air inlet 202 at the top of dedusting area body 201, gas outlet 203, it is arranged in dedusting
Water-locator 204, adjustment control device 205 in area's body 201, the superfine nozzle 206 of high pressure, deflector 207, gas-flow deflector 212,
And it is arranged in overfall 209, liquid level gauge 210, automatic discharging valve 211 on muddy water storehouse 208.
Air inlet 202 is arranged in the top of dedusting area body 201 and passes through pipe with the gas outlet 103 of centrifugal separating device 1
Road connects.Gas outlet 203 is opened in the top surface of dedusting area body 201.
One end of gas-flow deflector 212 is fixed at the top surface air inlet 202 of dedusting area body 201, and the other end is hanging
End, it is extended downward at a certain distance from the bottom of dedusting area body 201.By gas-flow deflector 212 by dedusting area body
201 inside divisions are into the inlet channel 213 connected with air inlet 202 and the dirt pocket 214 connected with gas outlet 203.In Fig. 3,
Gas-flow deflector 212 encloses to form inlet channel 213 with the inwall of dedusting area body 201, and the opposite side of gas-flow deflector 212 is position
Dirt pocket 214 in center in dedusting area body 201.
The top lateral arrangement of dirt pocket 214 has water-locator 204 so that water mist dust-removing water is uniform.Water-locator 204 is settable
For double-decker, it can need to carry out water according to dedusting by adjustment control device 205 and hydraulic pressure is adjusted.Further, can pass through
Set the superfine nozzle 206 of high pressure to be atomized water outlet, the water of ejection is formed the fine and closely woven moisture film in one layer of section of covering dirt pocket 214, contain
Tiny grit in dust and gas body separates under water smoke effect with gas, and falls into muddy water storehouse 208.
The bottom of water-locator 204 there also is provided at least one piece of deflector 207, have on deflector 207 multiple equally distributed
Pod apertures, promote gas Uniform Flow from bottom to top.In embodiment, deflector is construed as including one piece of horizontal short slab and and water
Flat stub edge connection and acclivitous inclination short slab, the other end for tilting short slab are fixed on dedusting chamber interior walls or air-flow guiding
On plate.
208 tapered structure of muddy water storehouse, using partitioned organization, provided with overflow area and settling zone, its bottom precipitation area is set certainly
Dynamic discharge valve 211, it is provided with overfall 209 and liquid level gauge 210 by the side-walls of the overflow area at top.Material is main in muddy water storehouse
It is the mixture of water and dust, mixture is gradually layered under gravity, and supernatant liquor passes through overfall 209 and connecting pipe
The overflow water receiving port 404 of Water warfare and EGR 4 is flowed into, bottom troubled liquor passes through automatic discharging valve 211 and liquid level gauge
210 linkage effect, when liquid level reaches the high level of the setup parameter of liquid level gauge 210, automatic discharging valve 211 opens discharging,
The low liquid level that liquid material highly reaches the setup parameter of liquid level gauge 210 is dumped into, automatic discharging valve 211 is closed.
Muddy water storehouse 208 uses partitioned organization, and provided with overflow area and settling zone, it is net that the clean water body by precipitation enters water
Change and EGR, aftertreatment systems are drained into as water mist dust-removing atomized water and its supplement water, sediment.
With reference to shown in Fig. 4, demister 3 is mainly included except fog-zone body 301, clean water sump 307, air inlet 302, gas outlet
303 and it is arranged in except the gas-flow deflector 304 in fog-zone body 301, deflection plate 305 and angle demodulator 306, is arranged in
Automatic discharging valve 308, overfall 309 and liquid level gauge 310 in clean water sump 307.
Air inlet 302 is arranged in except the top of fog-zone body 301 and by the gas outlet 203 of pipeline and Water-fog dusting apparatus 2
Connection.Gas outlet 303 is opened on the top surface except fog-zone body 301, directly and ft connection.
One end of gas-flow deflector 304 is fixed at the top surface air inlet 302 except fog-zone body 301, and the other end is hanging
End, it extends downward into distance except at a certain distance from the bottom of fog-zone body 301.Fog-zone body will be removed by gas-flow deflector 304
What 301 inside divisions connected into the inlet channel 311 connected with air inlet 302 and with gas outlet 303 removes fog chamber 312.Air-flow is led
To plate 304 and except the inwall of fog-zone body 301 encloses to form inlet channel 311, the opposite side of gas-flow deflector 304 is to be located at demisting
Center removes fog chamber 312 in area's body 301.
Deflection plate 305 is three-stage, and each section is arranged with angle demodulator 306, forms except the demisting in fog chamber 312
Device..The angle of deflection plate 305 traps effect according to gas flow rate, flow and water droplet and can adjusted by angle demodulator 306
Section, to reach optimal defogging effect.
307 tapered structure of clean water sump, the moisture to get off for reclaiming the gas condensation during baffling, and pass through overflow
Water is flow to Water warfare and after EGR 4 purified by mouthfuls 309, as the supplement water of the water for dust removal of mist dedusting area 3, is made simultaneously
For the regular cleaning water of centrifugal separating device and supplement water.Material is mainly water and part dust in clean water sump, and supernatant liquor leads to
Cross overfall 308 and connecting pipe flows into the overflow water receiving port 404 of Water warfare and EGR 4, bottom troubled liquor passes through
The linkage effect of automatic discharging valve 309 and liquid level gauge 310, when liquid level reaches the high level of the setup parameter of liquid level gauge 310, from
Dynamic discharge valve 309 opens discharging, is dumped into the low liquid level that liquid material highly reaches the setup parameter of liquid level gauge 310, automatic discharging valve 309
Close.
As shown in figure 5, Water warfare and EGR 4 mainly include clean room's body 401, circulating water self-cleaning packing area 402,
Overflow plate 403, overflow water receiving port 404, water supplement port 405, circulating water self-cleaning interface 406, cycling use of water mouth 407, sewage draining exit
408。
Circulating water self-cleaning packing area 402 is arranged in inside clean room's body 401, and filler uses Polyester Fibers, bottom
Bed course is done with cobblestone, is mainly used in purifying water body, removes granule foreign etc. in water removal.
Overflow plate 403 is located at the bottom of clean room's body 401, and the bottom of clean room's body 401 is divided into clear water zone 410 and sunk
Shallow lake area 409.Water falls into clear water zone 410 after the filler self-purification of water, and the water introduced by overflow water receiving port 404 enters precipitation
Area 409, for cycling use of water.
Overflow water receiving port 404 passes through pipeline and the overfall 209 and the overfall 309 of demister 3 of Water-fog dusting apparatus 2
Connection, for receiving the overflow water of Water-fog dusting apparatus 2 and demister 3.
Water supplement port 405 is used for Water warfare and EGR regular replenishment water is used, and ensures that overflow water is few, blowdown flow rate is more
When, the normal use of systemic-function.
Circulating water self-cleaning interface 406, Water-fog dusting apparatus 2 and the overflow of demister 3 are connected by delivery pump and pipeline
The water come, carry out purification of water quality.
Cycling use of water mouth 407, the water after being purified Water warfare and EGR 4 by connecting delivery pump and pipeline are sent respectively
Regular cleaning water to centrifugal separating device 1 as centrifugal separating device 1, deliver to Water-fog dusting apparatus 2 and be used as nebulization dust
With water and supplement water.
Sewage draining exit 408 is used for settling zone 409 and the periodical blowdown of clear water zone 410.
The operation principle of the system is as follows：
During water mist dust-removing system operation, high humidity, high-temperature dusty gas enter in Disengagement zone body 101 through air inlet 102, warp
Entered after the uniform gas distribution of air-spreading disk 104 by the oblique air admission hole 115 of guide shell in centrifugal flow guiding cylinder 105, grit gravity from
Adhere under heart effect along the inwall of centrifugal flow guiding cylinder 105 and fall into bottom and receive ash silo 106, now most of grit has been removed, quilt
The purified gas of centrifugal separating device 1 is discharged through escape pipe 112, and discharges centrifugation point by gas outlet 103 by fan action
From device 1.The receipts ash silo 106 of the bottom of guide shell 105 is when dust stratification weight reaches design load, the automatic discharging of gravity flap valve 109,
Aftertreatment systems are drained into, discharging late gate is closed until next discharging is carried out automatically.
The dedusting gas discharged by the gas outlet 103 of centrifugal separating device 1 enters Water-fog dusting apparatus 2 by pipeline
Air inlet 202, then enter dirt pocket 214 along inlet channel 213, the top that water-locator 204 is arranged in dedusting area body 201 causes
Top water body is uniform, can be by the regulating pondage of adjustment control device 205 and hydraulic pressure size, and the shape in the presence of the superfine nozzle of high pressure
Into fine and closely woven moisture film, gas is met with moisture film in Water-fog dusting apparatus, and the dust granules in gas are at utmost eliminated, by water
The purified gas of mist dust arrester 2 is discharged through gas outlet 203.During this, Water-fog dusting apparatus also has cooling effect, will
The temperature of gas substantially reduces.Water with fine dust drops into the muddy water storehouse 208 of bottom, the clean water body after precipitation
Discharged by overfall 209 and Water warfare and EGR 4 are entered to be used as water mist dust-removing atomized water and its benefit by pipeline
Water-filling, sediment are then drained into aftertreatment systems by the effect of automatic discharging valve 211.
Clean gas after the double action that centrifugal separating device 1 is centrifuged with the water film dedusting of Water-fog dusting apparatus 2
Body enters air inlet 302 by pipeline, and removes fog chamber 312 along inlet channel 311 into demister 3.Except in fog chamber 312
Three-stage deflection plate 305 can by angle demodulator 306 according to cohesion moisture needs be adjusted, flexible operating, by except
The clean dry gas of mist is discharged by gas outlet 303.The moisture condensed, bottom clean water sump 307 is entered, after precipitation
Clean water body discharged by overfall 309, and Water warfare and EGR 4 are entered by pipeline, as water mist dust-removing mist
Change water and its supplement water.So far, the removal to aqueous vapor in high humidity, high-temperature gas dust and gas is completed.
In above process, the receipts ash silo 106 of water mist dust-removing system, muddy water storehouse 208, clean water sump 307 are separately installed with material
Position meter, i.e., level meter 110, liquid level gauge 210, liquid level gauge 310, bottom are furnished with motor-driven valve, i.e. gravity flap valve 109, automatic discharging
Valve 211, automatic discharging valve 308, level-sensing device carry out chain control, after material position reach a certain height in storehouse, bottom with motor-driven valve
Motor-driven valve automatically opens up blowdown, is drained into aftertreatment systems, and material position reaches low material position late gate and closed automatically.
The water to be come by Water-fog dusting apparatus 2 and the overflow of demister 3, the overflow water through Water warfare and EGR 4 connect
Closed up 404 inflow settling zones 409, then the top of clean room's body 401 is delivered to by circulating water self-cleaning elevator pump 411 and pipeline,
After the filler filtration, purification effect in circulating water self-cleaning packing area 402, granule foreign etc. in water removal is removed.By filler water body certainly
Fall into clear water zone after purification, then deliver to centrifugal separating device 1 respectively by connecting delivery pump and pipeline and be used as centrifugal separating device
Regular cleaning water, deliver to Water-fog dusting apparatus 2 as nebulization dust water and supplement water.
Although embodiment of the present invention is described above in association with accompanying drawing, the invention is not limited in above-mentioned
Specific embodiments and applications field, above-mentioned specific embodiment are only schematical, directiveness, rather than restricted
's.One of ordinary skill in the art is under the enlightenment of this specification, in the scope for not departing from the claims in the present invention and being protected
In the case of, the form of many kinds can also be made, these belong to the row of protection of the invention.
Claims (10)
- A kind of 1. water mist dust-removing system, it is characterised in that centrifugal separating device, Water-fog dusting apparatus including stagewise setting, Demister,Centrifugal separating device includes Disengagement zone body, the first air inlet, the first gas outlet, positioned at the receipts ash of Disengagement zone body bottom portion Storehouse, wherein, multiple guide shells in cellular arrangement are vertically arranged in the body of Disengagement zone, the inlet end of guide shell passes through gas distribution Unit connects with the first air inlet；Gas distribution unit has to be entered with guide shell quantity identical air-spreading disk, air-spreading disk and guide shell Gas end is corresponding to be connected；The outlet side of each guide shell is disposed with escape pipe, and blower fan, the Disengagement zone sheet are disposed with the first gas outlet Body top layout has the cleaning unit for cleaning guide shell and gas distribution unit, and cleaning unit has multiple cleaning sprayers；Water-fog dusting apparatus includes dedusting area body, the second air inlet, the second gas outlet, positioned at the muddy water of dedusting area body bottom portion Storehouse, wherein, the first gas-flow deflector is disposed with the body of dedusting area, is divided into dedusting area body by the first gas-flow deflector The first inlet channel and dirt pocket being connected, the first inlet channel connect with the second air inlet, dirt pocket and the second gas outlet Connection；Water-locator and at least one piece of deflector are disposed with dirt pocket from top to bottom, water-locator has multiple delivery ports directed downwardly Waterfog head and for adjusting water outlet water and the adjustment control device of hydraulic pressure, has multiple pod apertures on deflector；Second air inlet Mouth is connected by pipeline with the first gas outlet；Demister includes except fog-zone body, the 3rd air inlet, the 3rd gas outlet, is arranged in except the water purification of fog-zone body bottom portion Storehouse, wherein, except the second gas-flow deflector is disposed with the body of fog-zone, will be divided into by the second gas-flow deflector except fog-zone body The second inlet channel being connected is with removing fog chamber, and the second inlet channel connects with the 3rd air inlet, except fog chamber and the 3rd gas outlet Connect, the demister for removing aqueous vapor in gas is arranged in demisting room；3rd air inlet is connected by pipeline and the second gas outlet It is logical.
- 2. water mist dust-removing system as claimed in claim 2, it is characterised in that：The air-spreading disk uses Dual-layer structure, leads to Cross the size and angle of relative position regulation air inflow between double-decker.
- 3. water mist dust-removing system as claimed in claim 1 or 2, it is characterised in that：The guide shell is cylinder-like structure, top Connected with multiple oblique air admission holes as inlet end by air-spreading disk with the first air inlet, top also has one and wears gas distribution For the escape pipe of disk as outlet side, bottom has one section of cone structure, and arranges an ash tube in the bottom of cone structure；Respectively Cleaning sprayer is staggered with escape pipe and the delivery port of cleaning sprayer is located at below the gas outlet of escape pipe；Have on air-spreading disk One is available for the interspersed outlet pore of the escape pipe of guide shell；Gas enters gas distribution unit by the first air inlet, by air-spreading disk and Each oblique air admission hole is oblique to enter guide shell, discharges guide shell by escape pipe after being centrifuged, then collect after fan action Discharged to the first gas outlet.
- 4. water mist dust-removing system as claimed in claim 1, it is characterised in that：The cleaning unit arranged beneath has isolation single Member, isolated location have multiple division boards being adapted with cleaning sprayer size and location, and the division board has activity upset work( Can, it is used to stop that the intrinsic gas in dedusting area enters cleaning sprayer when system dust removing is run, is turned over when system maintenance is cleaned Turning certain angle makes spray liquid fall directly into gas distribution unit and guide shell.
- 5. water mist dust-removing system as claimed in claim 1, it is characterised in that：Second air inlet cloth of the Water-fog dusting apparatus The top of dedusting area body is placed in, the top surface of dedusting area body is fixed in one end of the first gas-flow deflector, and the other end extends to The bottom of dedusting area body is simultaneously spaced apart with bottom surface, and dedusting area body is divided into the first inlet channel being connected And dirt pocket, air-flow enters the first inlet channel from the second air inlet, and flows to dirt pocket by the first inlet channel.
- 6. water mist dust-removing system as claimed in claim 1, it is characterised in that：In the Water-fog dusting apparatus, the water of water-locator Fog spray head is the superfine nozzle of high pressure, is evenly arranged in the cross section of dirt pocket, and the thin of dedusting chamber cross-section is covered to form one layer Close moisture film.
- 7. water mist dust-removing system as claimed in claim 1, it is characterised in that：In the demister, demister includes three sections Formula deflection plate, each section of deflection plate is separate and is connected with the angle demodulator for adjusting deflection plate angle of inclination.
- 8. water mist dust-removing system as claimed in claim 1, it is characterised in that：Receipts ash silo, muddy water storehouse and the clean water sump are matched somebody with somebody It is equipped with the level-sensing device and automatic discharging valve mutually to link.
- 9. water mist dust-removing system as claimed in claim 1, it is characterised in that：Also include Water warfare and EGR, water smoke removes The muddy water storehouse of dirt device and the clean water sump of demister are disposed with overfall, and the water of the overfall discharge of muddy water storehouse and clean water sump leads to Piping flows into Water warfare and EGR, and centrifugal separating device is re-fed into as centrifugation after Water warfare and EGR purification The regular cleaning water of separator and/or feeding demister are as nebulization dust water.
- 10. water mist dust-removing system as claimed in claim 9, it is characterised in that：The Water warfare and EGR include purification Room body, overflow water receiving port, water supplement port, circulating water self-cleaning interface, cycling use of water mouth and sewage draining exit, wherein,Circulating water self-cleaning packing area is disposed with clean room's body, its bottom is disposed with settling zone and clear water zone, through recirculated water certainly Water after net packing area purification falls into clear water zone, and the water of the overfall discharge of muddy water storehouse and clean water sump is connect by pipeline and overflow water Close up and connect and flow into settling zone；Cycling use of water mouth, which is arranged on clear water zone side and the water of clear water zone is delivered into centrifugal separating device by pipeline and delivery pump, to be made For centrifugal separating device regular cleaning water and deliver to Water-fog dusting apparatus as nebulization dust water；Circulating water self-cleaning interface is arranged on settling zone side and the water of settling zone is introduced into recirculated water certainly by pipeline and delivery pump Net packing area is purified；Water supplement port is used for Water warfare and EGR regular replenishment water；Sewage draining exit is used for the periodical blowdown to settling zone and clear water zone.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710778042.1A CN107362646B (en) | 2017-09-01 | 2017-09-01 | Water smoke dust pelletizing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710778042.1A CN107362646B (en) | 2017-09-01 | 2017-09-01 | Water smoke dust pelletizing system |
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| CN107362646A true CN107362646A (en) | 2017-11-21 |
| CN107362646B CN107362646B (en) | 2021-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710778042.1A Active CN107362646B (en) | 2017-09-01 | 2017-09-01 | Water smoke dust pelletizing system |
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| CN107881967A (en) * | 2017-11-25 | 2018-04-06 | 徐州新南湖科技有限公司 | A kind of construction ground dust device for reducing dust |
| CN108159850A (en) * | 2017-12-25 | 2018-06-15 | 刘毅 | A kind of cold stripper of water mist fluid and dehumidifying demister and its dehumidifying defogging method |
| CN109622228A (en) * | 2018-12-26 | 2019-04-16 | 宁波大红鹰学院 | A kind of electrostatic precipitator |
| CN111715005A (en) * | 2020-06-16 | 2020-09-29 | 上海建工四建集团有限公司 | Device for purifying air with dust |
| CN113004951A (en) * | 2021-04-10 | 2021-06-22 | 沈晓军 | Coal gas belt cleaning device for chemical industry |
| CN114307480A (en) * | 2021-11-19 | 2022-04-12 | 桂林矿山机械有限公司 | Water mist dust removal device for calcium hydroxide production line and calcium hydroxide production line |
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| CN114307480A (en) * | 2021-11-19 | 2022-04-12 | 桂林矿山机械有限公司 | Water mist dust removal device for calcium hydroxide production line and calcium hydroxide production line |
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