CN109821303A - High temperature resistant sintered plate dust-extraction unit and dust removal method - Google Patents
High temperature resistant sintered plate dust-extraction unit and dust removal method Download PDFInfo
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- CN109821303A CN109821303A CN201910238436.7A CN201910238436A CN109821303A CN 109821303 A CN109821303 A CN 109821303A CN 201910238436 A CN201910238436 A CN 201910238436A CN 109821303 A CN109821303 A CN 109821303A
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- 239000000428 dust Substances 0.000 title claims abstract description 71
- 238000000605 extraction Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000001816 cooling Methods 0.000 claims abstract description 44
- 239000003546 flue gas Substances 0.000 claims abstract description 40
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000007789 gas Substances 0.000 claims abstract description 34
- 238000007599 discharging Methods 0.000 claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 238000002347 injection Methods 0.000 claims abstract description 19
- 239000007924 injection Substances 0.000 claims abstract description 19
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000000203 mixture Substances 0.000 claims abstract description 11
- 238000009833 condensation Methods 0.000 claims abstract description 8
- 230000005494 condensation Effects 0.000 claims abstract description 8
- 230000017525 heat dissipation Effects 0.000 claims abstract description 7
- 230000000694 effects Effects 0.000 claims abstract description 5
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- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 35
- 238000006477 desulfuration reaction Methods 0.000 description 14
- 230000023556 desulfurization Effects 0.000 description 14
- 238000012545 processing Methods 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 5
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- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 239000003517 fume Substances 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 2
- 210000000988 bone and bone Anatomy 0.000 description 2
- 239000003034 coal gas Substances 0.000 description 2
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- 239000012716 precipitator Substances 0.000 description 2
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Abstract
The present invention relates to a kind of high temperature resistant sintered plate dust-extraction unit and dust removal method, setting is for accelerating the axial flow blower of heat dissipation, and mounting temperature sensor and ash-discharging device in forced air cooler.Cooling air unit connection forced air cooler and dust collector box body are mixed, cooling air unit is mixed and is provided with and mix cold temperature sensor and electronic cold blast sliding valve.Setting injection system, toilet, high temperature resistant sintered plate, deflector, card and ash bucket in dust collector box body.Flue gas under the blowing of injection system, passes through high temperature resistant sintered plate via deflector and discharges from outlet, dust after exhanst gas outlet outflow from cinder-discharging port in toilet.Dust-extraction unit of the invention is added in forced air cooler to be mixed under the collective effect of cooling air unit and high temperature resistant sintered plate dedusting, it can force to cool, it can control flue gas excessive condensation again and generate condensed water, prevent the generation of condensed water and synthesizes sulfuric acid to corrode equipment, ensure that dust and gas normally separates, effectively improvement air pollution.
Description
Technical field
The present invention relates to calcining kiln desulfurization to export cleaner, is related to that calcining kiln desulfurization is exported cooling and moulded with high temperature resistant to burn
The purifying processing device that plate dedusting is combined into one, in particular to it is a kind of to be removed for pitch coke rotary calciner desulfurization outlet cooling
The integrated high temperature resistant sintered plate dust-extraction unit of dirt and dust removal method.
Background technique
It promotes a conservation culture and beauty China, develops energy conservation and environmental protection industry, quality of improving the ecological environment is that cultivation and development is new
Kinetic energy, the important measure for promoting Green Competitiveness.The whole people are constantly improve to the attention rate of ecological environment and air quality.Due to de-
Water, gas under sulphur outlet cooling environment, the synthesis ratio of dirt are considerably complicated, and the heavy polluter of especially chemical industry coking industry for example refines
The pitch coke rotary calciner that burnt factory's coke furnace system, coal gas refine all is that the maximum pollution sources of chemical company generate ground.Wherein most
Important is the pollution of sulfur dioxide and dust, the especially sulfur dioxide and dust of steam symbiosis, when sulfur dioxide is soluble in water,
It will form sulfurous acid.If sulfurous acid further existing for the PM2.5 under the conditions of aoxidize, sulfuric acid will be efficiently produced rapidly, this
It is the main component of acid rain, is most difficult to administer, and current dust removal field urgent problem to be solved.
For the pitch coke rotary calciner technique of coal gas purification, this sulfur dioxide and dust are forged mainly from revolution
Firing system can generate sulfur dioxide when burning since coal and petroleum usually all contain element sulphur.Existing rotary calcining
Kiln exhaust gas fan outlet smoke components are sulfur dioxide (S02) 350mg/Nm3, dirt 200mg/Nm3, 220 DEG C -290 of working temperature
DEG C, 320 DEG C are reached when abnormal, the desulfurization and cleaner that the temperature wave amplitude of super large exports calcining kiln desulfurization are difficult to adapt to.
If temperature is high, the filter material of cleaner be cannot withstand, and at general 200 DEG C or less, be answered reluctantly in the filter bag short time resistant to high temperature
It pays；If temperature is lower than 100 DEG C, a large amount of condensed waters can be generated, condensed water is mutually met and get along well soluble in water, formation sulfurous with sulfur dioxide
Acid.If sulfurous acid and dust will efficiently produce rapidly sulfuric acid, sulfuric acid can corrode rapidly deduster shell further combined with oxidation
Body causes entire cleaner to paralyse state.Such result greatly shortens service life of equipment, can not accomplish ultra-clean row
It puts, also influences worker's physical and mental health.
The cleaner that rotary calciner production environment uses at present has dry method electric precipitation and pulsed bag filter two
Kind, due to the influence of corona discharge electrode climate factor, discharging efficiency is unstable for the former, be easy to cause granular material discharged fluctuation too big and
It cannot accomplish qualified discharge；The latter be bag-type dust under the conditions of long term high temperature (be greater than 200 DEG C when) can not effective dedusting, in addition
Sulfur dioxide loses the support to cloth bag to the corrosion of cage bone, causes whole pulsed bag filter failure, influences life
What is produced is normally carried out, and original cloth bag and cage bone must be replaced by returning to normal production, the dust that cloth bag bonds in replacement process
Secondary pollution is caused, to affect ecological environment.
In view of this, dust removal field scientific research personnel is dedicated to researching and developing one kind for rotary calciner desulfurization outlet cooling dedusting
Integrated high temperature resistant sintered plate dust-extraction unit, to improve the collaboration processing that rotary calciner desulfurization outlet cools down dust removal integrated
Technology and integrated technique.
Summary of the invention
It is dust removal integrated resistance to the task of the present invention is providing a kind of for pitch coke rotary calciner desulfurization outlet and cooling down
High temperature sintered plate dust-extraction unit and dust removal method are set to high temperature resistant modeling plus cooling air unit is mixed using by forced air cooler
The synergistic purification processing unit and processing method outside plate deduster are burnt, effectively improvement air pollution, especially improvement desulfurization goes out
The unexpected synthesis of sulfur dioxide, water, gas, dirt under mouthful cooling environment, and by sulfur dioxide (S02) emission control is in≤100mg/
Nm3, granular material discharged≤10mg/Nm3, it is ensured that chimney discharged gas fume is greater than 100 DEG C, solves present in the above-mentioned prior art
Problem.
Technical solution of the invention is as follows:
A kind of high temperature resistant sintered plate dust-extraction unit, it includes forced air cooler, axial flow blower, mixes cooling air unit, deduster
Cabinet, injection system, toilet, card, high temperature resistant sintered plate, deflector, ash bucket, external air exhausting tube, blower, outer smoke evacuation chimney, cigarette
Gas import, exhanst gas outlet and electric-control system；
Setting is connected below axial flow blower by pipeline for accelerating the axial flow blower of heat dissipation in the forced air cooler
Suction flange connector and gas inlet fill respectively on suction flange connector side and forced air cooler discharge connection
There is temperature sensor, ash-discharging device is housed below forced air cooler；
The cooling air unit of mixing is connect with forced air cooler and dust collector box body respectively by connecting tube, is mixed in cooling air unit
Equipped with cold temperature sensor and electronic cold blast sliding valve is mixed, when forced air cooler outlet temperature is greater than 140 DEG C, interlocking is opened and is mixed
Cooling air unit controls cooler outlet temperature always at 140 DEG C, flue gas by forced air cooler and mix cooling air unit into
Enter dust collector box body；
Injection system, toilet, high temperature resistant sintered plate, deflector, card and ash bucket are provided in the dust collector box body, wherein
Clean indoor location injection system and high temperature resistant sintered plate, high temperature resistant sintered plate are the filter plate with loose type structure, water conservancy diversion
The front i.e. flue gas that plate is mounted on high temperature resistant sintered plate flows into place, and the rear portion i.e. flue gas that card is mounted on high temperature resistant sintered plate flows out
Place, ash bucket are placed in the lower section of toilet；
Ash bucket cinder-discharging port below the dust collector box body connects the ash-discharging device cinder-discharging port of forced air cooler by pipeline,
Total ash exhauster is then connected to by the connecting pipe；
Toilet top setting exhanst gas outlet and outlet(discharge) flange connector, outlet(discharge) flange connector in the dust collector box body is logical
Connecting pipe connection blower is crossed, blower connects external air exhausting tube, then is connected to outer smoke evacuation chimney by external air exhausting tube.
The suction flange connector side of the forced air cooler and forced air cooler and mix cooling air unit
Cooler pressure sensor is respectively provided in the connecting tube being connected.
The connecting tube that the outlet(discharge) flange connector of the dust collector box body inside and dust collector box body is connected with blower
Deduster pressure sensor is respectively provided on road.
The ash-discharging device cinder-discharging port of ash bucket cinder-discharging port and forced air cooler below the dust collector box body fills respectively
There is unloading valve.
A kind of dust removal method of high temperature resistant sintered plate dust-extraction unit, flue gas enter forced air cooler from gas inlet,
Flue gas accelerates heat dissipation under the operation of axial flow blower, keeps the outlet temperature of forced air cooler constant at 140 DEG C or less ± 5
DEG C, when forced air cooler outlet temperature is greater than 140 DEG C, cooling air unit interlocking open mode starting is mixed, cooler is gone out
Mouth temperature is controlled always at 140 DEG C, guarantees that flue gas enters the temperature in dust collector box body and is also not less than 130 DEG C not higher than 140 DEG C,
Condensed water is generated to control flue gas excessive condensation；
Flue gas enters dust collector box body, and flue gas under the blowing of injection system, is moulded via deflector across high temperature resistant in toilet
It burns plate to flow out from exhanst gas outlet, flue gas is discharged through connecting pipe, external air exhausting tube by outer smoke evacuation chimney；
Dust from the ash-discharging device cinder-discharging port of ash bucket cinder-discharging port and forced air cooler below dust collector box body, passes through respectively
Connecting pipe is discharged after being connected to total ash exhauster；
The high temperature resistant sintered plate dust-extraction unit is added in forced air cooler mixes cooling air unit and high temperature resistant sintered plate dedusting
Collective effect under, can force to cool but flue gas excessive condensation and generate condensed water, prevent the production of condensed water
It gives birth to and synthesizes sulfuric acid to corrode equipment, it is ensured that dust and gas normally separates.
A kind of high temperature resistant sintered plate dust-extraction unit of the invention and dust removal method are applied to rotary calciner desulfurization outlet drop
The dust removal integrated system of temperature, high temperature resistant sintered plate dust-extraction unit are forced in pitch coke rotary calciner desulfurization export environment next part
The purifying processing device for the dedusting one that cools down is a kind of to be moulded by forced air cooler plus mixing cooling air unit and be set to high temperature resistant
The collaboration processing technique outside plate deduster is burnt, forced air cooler is added and mixes cooling air unit with high temperature resistant sintered plate dedusting
The technique of device dedusting is integrated.
Purifying processing device of the invention, which adds forced air cooler, mixes cooling air unit and the dedusting of high temperature resistant sintered plate
It is combined into one, forced air cooler is set to outside high temperature resistant sinter-plate precipitator plus mixing cooling air unit, is effective
Administer the accident that the capital equipment of air pollution, especially improvement desulfurization export the sulfur dioxide, water, gas, dirt that cool down under environment
Synthesis.By the operation to forced air cooler, keep its outlet temperature constant at 140 DEG C or less ± 5 DEG C, when forced air is cold
But when device outlet temperature is greater than 140 DEG C, cooling air unit interlocking open mode starting is mixed, cooler outlet temperature is controlled always
140 DEG C, guarantee that entering the intracorporal temperature of high temperature resistant sinter-plate precipitator case is not higher than 140 DEG C, is not less than 130 DEG C, also to prevent
The generation of condensed water and synthesize sulfuric acid to corrode equipment, and by sulfur dioxide (S02) emission control is in≤100mg/Nm3, particle
Object discharge≤10mg/Nm3, it is ensured that chimney discharged gas fume temperature is greater than 100 DEG C.
Purifying processing device of the invention mixes cooling air unit since forced air cooler adds and high temperature resistant sintered plate removes
The collective effect of dirt device, make it have can cool according to technical data and flue gas excessive condensation and generate cold
Condensate prevents the generation of condensed water and synthesizes sulfuric acid to corroding equipment, it is ensured that dust and gas normally separates, and by sulfur dioxide
(S02) emission control is in≤100mg/Nm3, granular material discharged≤10mg/Nm3, realize that chimney discharged gas fume temperature is greater than 100 DEG C.
High temperature resistant sintered plate dust-extraction unit of the invention has durable, Reusability function.Through apparatus of the present invention
Dust and gas after purified treatment can achieve ultra-clean discharge, provide new choosing for the cooling dedusting of rotary calciner desulfurization export environment
, there is great application value.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of high temperature resistant sintered plate dust-extraction unit of the invention, wherein forced air cooler
In addition mixing the outside that cooling air unit is installed on high temperature resistant sintered plate dust cleaning case.
Fig. 2 is the top view of dust-extraction unit as shown in Figure 1.
Fig. 3 is the dust collector box body structural schematic diagram in Fig. 1 dust-extraction unit.
Appended drawing reference:
1 is forced air cooler, and 2 be axial flow blower, and 3 be temperature sensor, and 4 be cooler pressure sensor, and 5 be outlet method
Blue connector, 6 be suction flange connector, and 7 be connecting tube, and 8 is mix cooling air unit, and 9 be electronic cold blast sliding valve, and 10 be to mix cold temperature
Sensor, 11 be connecting pipe, and 12 be dust collector box body, and 13 be injection system, and 14 be toilet, and 15 be deduster pressure sensing
Device, 16 be card, and 17 be high temperature resistant sintered plate, and 18 be deflector, and 19 be ash bucket, and 20 be unloading valve, and 21 be external air exhausting tube, and 22 are
Blower, 23 be outer smoke evacuation chimney, and 24 be electric-control system, and 241 be axial flow blower power supply line, and 242 is mix cold electronic cold blast sliding valve power supply line,
243 be injection system power supply line, and 244 be ash discharging system power supply line, and 245 be fan power line, and 246 be chiller temperature signal
Line, 247 be cooler pressure signal line, and 248 is mix cold temperature signal line, and 249 be deduster pressure signal line, 31 for flue gas into
Mouthful, 32 be exhanst gas outlet.
Specific embodiment
It elaborates with reference to the accompanying drawings and examples to the present invention.
Referring to Fig. 1 and Fig. 2, the present invention provides a kind of high temperature resistant sintered plate dust-extraction unit, it is mainly cooled down by forced air
Device 1, axial flow blower 2 mix cooling air unit 8, dust collector box body 12, injection system 13, toilet 14, card 16, high temperature resistant modeling burning
Plate 17, deflector 18, ash bucket 19, external air exhausting tube 21, blower 22, outer smoke evacuation chimney 23, gas inlet 31, exhanst gas outlet 32 and electricity
Control system 24 forms.
Setting passes through pipe below axial flow blower 2 for accelerating the axial flow blower 2 of heat dissipation inside forced air cooler 1
Road connects suction flange connector 6 and gas inlet 31, exports in the side of suction flange connector 6 and forced air cooler
Mounting temperature sensor 3 is distinguished on adapter tube, ash-discharging device is installed in the lower section of forced air cooler 1.
Cooling air unit 8 is mixed to connect with forced air cooler 1 and dust collector box body 12 respectively by connecting tube 7, that is,
Forced air cooler 1 is connected in the one of lateral location for mixing cooling air unit 8, in another side for mixing cooling air unit 8
Position connects dust collector box body 12.Cold temperature sensor 10 and electronic cold blast sliding valve 9 are mixed mixing installation inside cooling air unit 8, when strong
Cooling air unit 8 is mixed in interlocking unlatching when 1 outlet temperature of aerial cooler processed is greater than 140 DEG C controls cooler outlet temperature always
140 DEG C, flue gas is by forced air cooler 1 and mixes cooling air unit 8 into dust collector box body 12.In forced air cooler 1
With mix in the connecting tube 7 that cooling air unit 8 is connected and 6 side of suction flange connector of forced air cooler 1 is pacified respectively
Cooler pressure sensor 4 is filled, to monitor the pressure for flowing through flue gas.
Referring to Fig. 3, injection system 13, toilet 14, high temperature resistant sintered plate 17, deflector are set inside dust collector box body 12
18, card 16 and ash bucket 19 wherein install injection system 13 and high temperature resistant sintered plate 17, high temperature resistant sintered plate 17 in toilet 14
It is the filter plate with loose type structure, the front i.e. flue gas that deflector 18 is mounted on high temperature resistant sintered plate 17 flows into place, card
16 are mounted at the rear portion i.e. flue gas outflow of high temperature resistant sintered plate 17, and ash bucket 19 is placed in the lower section of toilet 14.
19 cinder-discharging port of ash bucket of 12 lower section of dust collector box body is unloaded by the ash-discharging device that pipeline connects forced air cooler 1
Grey mouth is then connected to total ash exhauster by the connecting pipe, is conducive to concentrate ash discharge.Ash bucket below dust collector box body 12
The ash-discharging device cinder-discharging port of 19 cinder-discharging ports and forced air cooler 1 is mounted with unloading valve 20 respectively.
14 top of toilet setting exhanst gas outlet 32 and outlet(discharge) flange connector 5 in dust collector box body 12, outlet(discharge) flange
Connector 5 connects blower 22 by connecting pipe 11, and blower 22 connects external air exhausting tube 21, then is connected to outlet by external air exhausting tube 21
Chimney 23.The company that outlet(discharge) flange connector 5 in 12 inside of dust collector box body and dust collector box body 12 is connected with blower 22
Deduster pressure sensor 15 is installed respectively, to monitor the pressure for flowing through flue gas on adapter tube road 11.
As shown in fig. 1, electric-control system 24 is provided with axial flow blower power supply line 241, mixes cold electronic cold blast sliding valve power supply line
242, injection system power supply line 243, ash discharging system power supply line 244, fan power line 245, chiller temperature signal wire 246, cold
But device pressure signal line 247, mix cold temperature signal line 248 and deduster pressure signal line 249.Wherein: axial flow blower power supply
241 connection of axial flow fan 2 of line mixes cold electronic cold blast sliding valve power supply line 242 and connects electronic cold blast sliding valve 9, and injection system power supply line 243 connects
The injection system in toilet 14 is connect, ash discharging system power supply line 244 connects ash-unloading tube road system, and fan power line 245 connects wind
Machine 22, chiller temperature signal wire 246 connect temperature sensor 3, and cooler pressure signal line 247 connects cooler pressure sensing
Device 4 mixes the cold connection of temperature signal line 248 and mixes cold temperature sensor 10, and deduster pressure signal line 249 connects deduster pressure and passes
Sensor 15.
As shown in Figure 1 to Figure 3, the present invention also provides a kind of dust removal method of high temperature resistant sintered plate dust-extraction unit, flue gases
Enter forced air cooler 1 from gas inlet 31, flue gas accelerates heat dissipation under the operation of axial flow blower 2, keeps forced air cold
But the outlet temperature of device is constant at 140 DEG C or less ± 5 DEG C, when forced air cooler outlet temperature is greater than 140 DEG C, mixes cold wind
Device 8 interlocks open mode starting, and cooler outlet temperature is controlled always at 140 DEG C, guarantees that flue gas enters dust collector box body
Temperature in 12 is also not less than 130 DEG C not higher than 140 DEG C, generates condensed water to control flue gas excessive condensation.
Flue gas enters dust collector box body 12, and flue gas is in toilet 14 under the blowing of injection system 13, via deflector 18
It is flowed out across high temperature resistant sintered plate 17 from exhanst gas outlet 32, flue gas is through connecting pipe 11, external air exhausting tube 21 by outer 23 row of smoke evacuation chimney
Out.
The ash-discharging device of 19 cinder-discharging port of ash bucket from 12 lower section of dust collector box body and forced air cooler 1 unloads dust respectively
Grey mouth discharges after being connected to total ash exhauster by connecting pipe.
In conclusion using high temperature resistant sintered plate dust-extraction unit of the invention and dust removal method, in forced air cooler
In addition can cool and control according to technical data under mixing the collective effect of cooling air unit and high temperature resistant sintered plate dedusting
Tobacco curing gas excessive condensation and generate condensed water, prevent the generation of condensed water and synthesize sulfuric acid to corroding equipment, it is ensured that dust and gas is just
It often separates, effectively improvement air pollution, the accident of sulfur dioxide, water, gas, dirt especially under improvement desulfurization outlet cooling environment
Synthesis, and by sulfur dioxide (S02) emission control is in≤100mg/Nm3, granular material discharged≤10mg/Nm3, realize chimney outlet
Flue-gas temperature is greater than 100 DEG C.
Certainly, those skilled in the art in the art are it should be appreciated that above-described embodiment is intended merely to illustrate this hair
It is bright, and be not used as limitation of the invention, if in spirit of the invention, to the variation of above-described embodiment,
Modification etc. will all be fallen within the scope of the claims.
Claims (5)
1. a kind of high temperature resistant sintered plate dust-extraction unit, it is characterised in that: it includes forced air cooler (1), axial flow blower
(2), cooling air unit (8), dust collector box body (12), injection system (13), toilet (14), card (16), high temperature resistant modeling burning are mixed
Plate (17), deflector (18), ash bucket (19), external air exhausting tube (21), blower (22), outer smoke evacuation chimney (23), gas inlet (31), cigarette
Gas exports (32) and electric-control system (24)；
Setting is logical below axial flow blower (2) for accelerating the axial flow blower (2) of heat dissipation in the forced air cooler (1)
Piping connects suction flange connector (6) and gas inlet (31), cold in suction flange connector (6) side and forced air
But it is respectively provided on device discharge connection temperature sensor (3), ash-discharging device is housed below forced air cooler (1)；
It is described mix cooling air unit (8) by connecting tube (7) respectively with forced air cooler (1) and dust collector box body (12) company
It connects, mixes cooling air unit (8) and be provided with and mix cold temperature sensor (10) and electronic cold blast sliding valve (9), when forced air cooler (1) goes out
Cooling air unit (8) is mixed in interlocking unlatching when mouth temperature is greater than 140 DEG C controls cooler outlet temperature always at 140 DEG C, and flue gas passes through
It crosses forced air cooler (1) and mixes cooling air unit (8) into dust collector box body (12)；
Injection system (13), toilet (14), high temperature resistant sintered plate (17), deflector are provided in the dust collector box body (12)
(18), card (16) and ash bucket (19), wherein installation injection system (13) and high temperature resistant sintered plate (17) in toilet (14), resistance to
High temperature sintered plate (17) is the filter plate with loose type structure, and deflector (18) is mounted on the front of high temperature resistant sintered plate (17)
I.e. flue gas flows into place, and card (16) is mounted at the rear portion i.e. flue gas outflow of high temperature resistant sintered plate (17), and ash bucket (19) is placed in
The lower section of toilet (14)；
Ash bucket (19) cinder-discharging port below the dust collector box body (12) unloads ash by pipeline connection forced air cooler (1)
Device cinder-discharging port is then connected to total ash exhauster by the connecting pipe；
Toilet (14) top setting exhanst gas outlet (32) and outlet(discharge) flange connector (5) in the dust collector box body (12),
Outlet(discharge) flange connector (5) connects external air exhausting tube (21) by connecting pipe (11) connection blower (22), blower (22), then by outer
Air-exhausting duct (21) is connected to outer smoke evacuation chimney (23).
2. high temperature resistant sintered plate dust-extraction unit described in accordance with the claim 1, it is characterised in that: the forced air cooler
(1) suction flange connector (6) side and forced air cooler (1) and the connecting tube mixing cooling air unit (8) and being connected
(7) cooler pressure sensor (4) are respectively provided on.
3. high temperature resistant sintered plate dust-extraction unit described in accordance with the claim 1, it is characterised in that: in the dust collector box body (12)
It is filled respectively in the connecting pipe (11) that the outlet(discharge) flange connector (5) of portion and dust collector box body (12) is connected with blower (22)
There are deduster pressure sensor (15).
4. high temperature resistant sintered plate dust-extraction unit described in accordance with the claim 1, it is characterised in that: under the dust collector box body (12)
Ash bucket (19) cinder-discharging port of side and the ash-discharging device cinder-discharging port of forced air cooler (1) are respectively provided with unloading valve (20).
5. the dust removal method of high temperature resistant sintered plate dust-extraction unit described in accordance with the claim 1, it is characterised in that: flue gas is from flue gas
Import (31) enters forced air cooler (1), and flue gas accelerates heat dissipation under the operation of axial flow blower (2), keeps forced air cold
But the outlet temperature of device is constant at 140 DEG C or less ± 5 DEG C, when forced air cooler outlet temperature is greater than 140 DEG C, mixes cold wind
Device (8) interlocks open mode starting, and cooler outlet temperature is controlled always at 140 DEG C, guarantees that flue gas enters deduster case
Temperature in body (12) is also not less than 130 DEG C not higher than 140 DEG C, generates condensed water to control flue gas excessive condensation；
Flue gas enters dust collector box body (12), and flue gas is under the blowing of toilet (14) interior injection system (13), via deflector
(18) pass through high temperature resistant sintered plate (17) from exhanst gas outlet (32) flow out, flue gas through connecting pipe (11), external air exhausting tube (21) by
Outer smoke evacuation chimney (23) discharge；
Dust is respectively from the ash-discharging device of ash bucket (19) cinder-discharging port and forced air cooler (1) below dust collector box body (12)
Cinder-discharging port discharges after being connected to total ash exhauster by connecting pipe；
The high temperature resistant sintered plate dust-extraction unit is added in forced air cooler mixes cooling air unit and high temperature resistant sintered plate dedusting
Collective effect under, can force to cool but flue gas excessive condensation and generate condensed water, prevent the production of condensed water
It gives birth to and synthesizes sulfuric acid to corrode equipment, it is ensured that dust and gas normally separates.
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| CN113805623A (en) * | 2021-08-23 | 2021-12-17 | 马鞍山钢铁股份有限公司 | Temperature-stabilizing regulation control model of air self-convection box-type partition plate device and application method |
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