CN109158212A - The wide temperature high leakproofness dust-extraction unit of self-sustaining and technique - Google Patents
The wide temperature high leakproofness dust-extraction unit of self-sustaining and technique Download PDFInfo
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- CN109158212A CN109158212A CN201811167689.1A CN201811167689A CN109158212A CN 109158212 A CN109158212 A CN 109158212A CN 201811167689 A CN201811167689 A CN 201811167689A CN 109158212 A CN109158212 A CN 109158212A
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- 238000000605 extraction Methods 0.000 title claims abstract description 76
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000007789 gas Substances 0.000 claims abstract description 72
- 239000011261 inert gas Substances 0.000 claims abstract description 62
- 239000000463 material Substances 0.000 claims abstract description 31
- 239000013618 particulate matter Substances 0.000 claims abstract description 22
- 239000012716 precipitator Substances 0.000 claims abstract description 12
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000001816 cooling Methods 0.000 claims abstract description 6
- 239000000428 dust Substances 0.000 claims description 47
- 239000002360 explosive Substances 0.000 claims description 24
- 230000007246 mechanism Effects 0.000 claims description 24
- 238000007664 blowing Methods 0.000 claims description 18
- 238000001514 detection method Methods 0.000 claims description 12
- 230000005684 electric field Effects 0.000 claims description 11
- 239000012895 dilution Substances 0.000 claims description 8
- 238000010790 dilution Methods 0.000 claims description 8
- 239000012212 insulator Substances 0.000 claims description 8
- 238000006073 displacement reaction Methods 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 239000003870 refractory metal Substances 0.000 claims description 4
- 238000013517 stratification Methods 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000010408 sweeping Methods 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 10
- 230000005611 electricity Effects 0.000 description 12
- 239000003570 air Substances 0.000 description 11
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 9
- 239000003546 flue gas Substances 0.000 description 9
- 239000002737 fuel gas Substances 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000003245 coal Substances 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 239000012717 electrostatic precipitator Substances 0.000 description 5
- 238000010248 power generation Methods 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000002309 gasification Methods 0.000 description 4
- 238000010926 purge Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000003034 coal gas Substances 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 239000010431 corundum Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
Abstract
The present invention relates to a kind of wide temperature high leakproofness dust-extraction unit of self-sustaining and techniques, including dust-extraction unit ontology, anode system, cathod system and high alumina ceramic, anode system includes anode plate, dust-extraction unit ontology is equipped with double-layer seal anti-leak shell, cooling inert gas filled layer is equipped among double-layer seal anti-leak shell and among anode plate, double-layer seal anti-leak outer casing inner wall, thermoelectric material layer is equipped on anode plate outer wall, dust-extraction unit ontology is equipped with explosion-proof relief valve, dust-extraction unit body bottom portion is connected with double-layered anti-leakage ash discharge ash bucket, dust-extraction unit body bottom portion is equipped with ash-clearing structure；Inert gas filled layer is connected with inert gas system, and thermoelectric material layer is connected with precipitator power supplies system.The present invention can effectively remove the particulate matter under high-temperature combustible gas atmosphere, and be guaranteed self-sufficient using pyroelectric effect itself to provide the energy.
Description
Technical field
The invention belongs to technical field of energy saving and environmental protection, in particular to the wide temperature high leakproofness dust-extraction unit of a kind of self-sustaining and work
Skill.
Background technique
Particle collection in high-temperature gas is difficult, especially the particle collection technology in high-temperature combustible gas body, even more
Converter, blast furnace gas benefit in an important factor for limiting coal and biomass pyrolytic oil gas, and limitation iron and steel metallurgical industry
Problem；Realize that particle collection has important practical significance in high-temperature gas.
Electrostatic precipitator (ESP) is common cleaner, there is that pressure drop is small, the service life is long, operating cost and low energy consumption, reliable
Property it is high, treatment quantity is big the advantages that, be now widely used for the dedusting of power plant, Industrial Stoves, total efficiency of dust collection is reachable
99% or more, but it is limited using temperature range.Under the conditions of high temperature (400~800 DEG C), electric precipitator is easy to produce deformation,
And the inflammable and explosive property of fuel gas becomes apparent at high temperature, particle stickiness increases, it is difficult to from dust collecting pole plate and ash bucket table
Face smoothly falls off, and above-mentioned unfavorable factor limits the application of electric precipitator in the high temperature environment.Therefore, it solves under hot environment
The trapping problem of particulate matter is imperative.
Summary of the invention
In order to overcome the shortcomings of the prior art, the present invention provides a kind of wide temperature high leakproofness dust-extraction units of self-sustaining
And technique, the particulate matter under high-temperature combustible gas atmosphere can be effectively removed, and guarantee certainly itself to provide the energy using pyroelectric effect
To self-sustaining.
To realize above-mentioned function, the technical scheme is that
A kind of wide temperature high leakproofness dust-extraction unit of self-sustaining, including dust-extraction unit ontology, anode system, cathod system and height
Aluminium ceramics, the anode system includes anode plate, and the dust-extraction unit ontology is equipped with double-layer seal anti-leak shell, the bilayer
Cooling inert gas filled layer is equipped among sealing anti-leak shell and among anode plate, the double-layer seal is anti-to be let out
Thermoelectric material layer is equipped on leakage outer casing inner wall, anode plate outer wall, the dust-extraction unit ontology is equipped with explosion-proof relief valve, described
Dust-extraction unit body bottom portion is connected with double-layered anti-leakage ash discharge ash bucket, and dust-extraction unit body bottom portion is equipped with ash-clearing structure；It is described lazy
Property gas filled layer is connected with inert gas system, and the thermoelectric material layer is connected with precipitator power supplies system.
High-temperature flue gas enters the wide temperature high leakproofness dust-extraction unit of self-sustaining, has indifferent gas among double-layer seal anti-leak shell
Body flowing cooling, cause the inner wall temperature difference of double-layer seal anti-leak shell to become larger, wherein the thermoelectric material inlayed start by
Thermal energy is converted into electric energy, provides power supply for deduster, and the particulate matter in gas is charged in the electric field, under the action of electric field force to
Anode plate is mobile, is collected by anode plate, and the wide temperature high leakproofness dust-extraction unit of self-sustaining is discharged in purified gas.
Preferably, the double-layered anti-leakage ash discharge ash bucket includes upper ash bucket and lower ash bucket, the upper hopper bottom is equipped with upper
Ash bucket unloading valve, lower ash bucket are connected with inert gas system, and lower ash bucket top is equipped with flammable explosive gas detection system, lower ash
Bottom struggle against equipped with lower ash bucket unloading valve.
Preferably, the dust-extraction unit body side is equipped with ash removal equipment for flapping.
The particulate matter that anode plate and cathod system are collected runs up to certain thickness, and it is clear that starting ash removal equipment for flapping carries out rapping
Ash, and collect into upper ash bucket, after upper ash bucket dust is collected completely, upper ash bucket unloading valve in unlatching, so that dust is fallen into upper ash bucket
Lower ash bucket, instantly in ash bucket dust run up to certain material position it is horizontal after, ash bucket unloading valve in closing is passed through inertia in downward ash bucket
Gas, dilution displacement flammable explosive gas that may be present to level of security, and it has been cooled to safe temperature, start lower ash bucket and unloads
Dust is discharged in grey valve.
The wide temperature high leakproofness dust-extraction unit main component making material of self-sustaining of the present invention is refractory metal material.
Preferably, the cathod system includes cathode line and polar curve frame, cathode line pattern is zigzag or fishbone.It is logical
Application high voltage direct current electric forming corona discharge is crossed, makes charged by the particulate matter of region of discharge, cathode line pattern is not limited to institute
Form is stated, guarantees the stability discharged under high temperature.
Preferably, the dust-extraction unit ontology is oval barrel structure, top and bottom are arc structure, the deashing knot
Structure is a circular-arc structure, and is a kind of metallic brush of refractory metal material production, along dust-extraction unit body bottom portion center of arc
Axial symmetry arrangement, makees arcuate movement in a manner of mechanically operated.Remove the wide temperature high leakproofness dust-extraction unit bottom circular arc of self-sustaining
Dust on inner wall.
Preferably, the explosion-proof relief valve includes valve body, rupture disk and clamper, the rupture disk is in clamper
Between, it is connected by screw bolts with valve body.When system overpressure, dust-extraction unit shell is protected in rupture disk rupture, moment pressure release, valve body
Valve deck resets under the effect of gravity after bouncing.
The double-layer seal anti-leak shell shape includes double-layer structure and gas pressure detecting system, and making material is resistance to
Metal foil is pressed, in two-layered steel plates central filler inert gas when use, prevents outside ambient air and the wide temperature of self-sustaining highly dense
The contact of fuel gas in envelope property dust-extraction unit；The inert gas of the two-layered steel plates central filler is flow regime, after being heated
Part inert gas further heat after hot gas source as explosion-proof inert gas purge mechanism, pass through installation gas pressure inspection
Examining system monitors inert gas leak case.
Preferably, the inert gas system includes inert gas air accumulator, conveying fan, inert gas hot-air blowing
Mechanism, ash bucket flammable explosive gas blowing mechanism, recovering mechanism, the inert gas air accumulator pass through feeder motor and indifferent gas
Body filled layer is connected, the inert gas filled layer respectively with inert gas hot-air blowing mechanism, ash bucket flammable explosive gas
Blowing mechanism, recovering mechanism are connected.
Preferably, dust-extraction unit ontology inlet is equipped with entrance guiding plate, the outlet of dust-extraction unit ontology is equipped with
Mouth deflector.
Preferably, the high alumina ceramic includes thermocouple, insulation barrel, insulator, insulator periphery is equipped with dust cover.
Precipitator power supplies system of the present invention uses pyroelectric effect, in the two-layered steel plates of double-layer seal anti-leak shell
Cooled down among intermediate and dust collecting pole plate using inert gas, generates the big temperature difference with outside high-temperature flue gas, it will by thermoelectric material
Thermal energy is converted directly into electric energy, in dust pelletizing system electrode and the power supply such as rapping apparatus.
The double-layered anti-leakage ash discharge ash bucket includes upper layer and lower layer and flammable explosive gas detection system, every layer of hopper bottom peace
Equipped with unloading valve, dust will be collected first into upper ash bucket in operational process, start upper layer unloading valve, so that dust in upper ash bucket
Smoothly fall into lower ash bucket；Instantly after dust runs up to certain material position level in ash bucket, ash bucket unloading valve in closing is passed through indifferent gas
Body dilution displaces fuel gas therein and is cooled to safe temperature, starts lower ash bucket unloading valve, dust is discharged；The upper ash
Flammable explosive gas detection system, including flammable explosive gas detection device and warning device are set at bucket.
The present invention also provides the techniques being dusted using the wide temperature high leakproofness dust-extraction unit of above-mentioned self-sustaining, including under
State step:
A, inert gas is filled in double-layer seal anti-leak shell and anode plate central core, the wide temperature high leakproofness of self-sustaining is removed
The starting operation of dirt device；
B, high-temperature gas enters the wide temperature high leakproofness dust-extraction unit of self-sustaining, double-layer seal anti-leak outer casing inner wall and anode
The temperature difference of plate becomes larger, and thermoelectric material therein starts to convert heat into electric energy, power supply is provided for deduster, in gas
Particulate matter is charged in the electric field, mobile to anode plate under the action of electric field force, is collected by anode plate, purified gas discharge
The wide temperature high leakproofness dust-extraction unit of self-sustaining；
C, the particulate matter that anode plate is collected runs up to certain thickness, and starting ash removal equipment for flapping carries out anode plate deashing, yin
Electrode systems dust stratification to a certain extent, starting ash removal equipment for flapping carry out cathod system deashing, remove the dust to get off fall in it is self-holding
The wide temperature high leakproofness dust-extraction unit bottom circular arc inner wall of formula；
D, start ash-clearing structure, the dust fallen on the wide temperature high leakproofness dust-extraction unit bottom circular arc inner wall of self-sustaining is received
Collect into upper ash bucket；
E, after upper ash bucket dust is collected completely, hopper bottom unloading valve in unlatching, so that dust falls into lower ash bucket in upper ash bucket；
F, after dust runs up to certain material position in ash bucket instantly, ash bucket unloading valve in closing is passed through inertia in downward ash bucket
Gas, dilution displacement flammable explosive gas to level of security, and it is cooled to safe temperature, start lower hopper bottom unloading valve, row
Dust out.
Preferably, the inert gas is flow regime, conduct after the part inert gas after being heated further heats
The hot gas source of explosion-proof inert blowing gas sweeping device.
The beneficial effects of the present invention are:
1, dust removal performance is good, solves the problems, such as that particulate matter difficulty traps in high-temperature gas；
2, electric precipitator high-temperature expansion, gas leakage are solved the problems, such as；
3, using inert gas seal, dilution displacement fuel gas, precipitator power supplies system hot-air blowing, security of system
It can good, energy self-loopa；
4, special shell mechanism and inert gas filling, good seal performance, thermal insulation property are strong, and energy-saving effect is good；
5, by pyroelectric effect using the thermal energy contained in high-temperature flue gas, power self-support needed for guaranteeing deduster is self-sustaining；
6, inert gas recycles, and reduces operating cost；
7, process flow is short, operation is simple.
Detailed description of the invention
Fig. 1 is the wide temperature high leakproofness dust-extraction unit structural schematic diagram of self-sustaining of the present invention；
Fig. 2 is the wide temperature high leakproofness dust-extraction unit schematic view of facade structure of self-sustaining of the present invention；
Fig. 3 is high alumina ceramic structural schematic diagram of the present invention；
Fig. 4 is explosion-proof relief valve structural schematic diagram of the present invention；
Fig. 5 is the cooling electrification structure schematic diagram of anode plate of the present invention；
Fig. 6 is the enlarged drawing at Fig. 5 I.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings and specific examples, but invention which is intended to be protected is simultaneously
It is without being limited thereto.
Embodiment 1
Referring to Fig.1~6, the wide temperature high leakproofness dust-extraction unit of a kind of self-sustaining, including dust-extraction unit ontology 1, anode system,
Cathod system and high alumina ceramic 4, the anode system include anode plate 2, and the dust-extraction unit ontology, which is equipped with double-layer seal, to be prevented letting out
Shell is leaked, is equipped with cooling inert gas filled layer among the double-layer seal anti-leak shell centre and anode plate,
Thermoelectric material layer 3, the dust-extraction unit body bottom portion are equipped on the double-layer seal anti-leak outer casing inner wall, anode plate outer wall
It is connected with double-layered anti-leakage ash discharge ash bucket, dust-extraction unit body bottom portion is equipped with ash-clearing structure 6；The inert gas filled layer with it is lazy
Property gas system is connected, and the thermoelectric material layer is connected with precipitator power supplies system 7, and the dust-extraction unit body side is set
There is ash removal equipment for flapping 8.
In order to further prevent the leakage of fuel gas, and let out by installing gas pressure detection system monitoring inert gas
Reveal situation, the gas pressure detection system mainly includes gas pressure detection unit and warning device；The dust-extraction unit sheet
Body is equipped with explosion-proof relief valve 5, prevents inert gas pressure in double-layer seal anti-leak shell excessive, guarantees that double-layer seal is anti-and lets out
It leaks shell mechanical structure to stablize, guarantees that pressure is not excessively high in shell, guarantees the safety of shell.
The explosion-proof relief valve include valve body 5-1, rupture disk 5-2, clamper 5-3, pressure relief valve 5-4, exhaust outlet 5-5,
Valve support 5-6, loading mechanism 5-7, valve rod 5-8, the rupture disk 5-2 use bolt with valve body 5-1 among clamper 5-3
Connection.
To provide high sealing effect, shell is selected double-layer seal anti-leak shell, is divided into outside double-layer seal anti-leak shell
Wall 1-1, double-layer seal anti-leak outer casing inner wall 1-2, making material is pressure tight metal steel plate, and is passed through among two-layered steel plates
Inert gas prevents the contact of outside ambient air with fuel gas in the wide temperature high leakproofness dust-extraction unit of self-sustaining, enhances close
Feng Xing, prevents combustible gas leakage, and thermoelectric material is fixed on double-layer seal anti-leak outer casing inner wall 1-2 with mosaic mode.
The dust-extraction unit does not need external power supply, realizes the self-sufficient of the energy, and precipitator power supplies system uses thermoelectricity
The principle of effect, the inner wall of double-layer seal anti-leak shell and two side liquids of pole plate wall are respectively inert gas and high temperature cigarette
Gas causes internal two sides temperature difference very big, wherein the thermoelectric material inlayed can convert heat into electric energy, mentions for precipitator power supplies
For electric energy, energy self-loopa.
The double-layered anti-leakage ash discharge ash bucket includes upper ash bucket 9 and lower ash bucket 10, and upper 9 bottom of ash bucket is equipped with upper ash bucket and unloads
Grey valve 11, lower ash bucket 10 are connected with inert gas system, and lower 10 top of ash bucket is equipped with flammable explosive gas detection system 12, packet
Include flammable explosive gas detection device and warning device；Lower hopper bottom is equipped with lower ash bucket unloading valve 13.By using indifferent gas
Body dilution displacement fuel gas prevents flammable explosive gas from leaking by ash bucket ash discharge, and security of system can be good.
Specifically, ash is introduced into ash bucket 9, ash discharge height to be achieved, the upper ash bucket unloading valve 11 of hopper bottom in unlatching,
So that dust is entirely fallen in lower ash bucket 10 in upper ash bucket, ash bucket unloading valve 11 in closing is passed through inert gas in downward ash bucket
(in double-layer seal anti-leak shell), is conveyed by lower ash bucket flammable explosive gas blowing mechanism 14, existing for dilution displacement
Flammable explosive gas, and dust has been cooled to safe temperature, and passes through the detection knot of observation flammable explosive gas detection system 12
Fruit judgement；When flammable explosive gas concentration reaches level of security, repetition aforesaid operations, until dust is run up to centainly in lower ash bucket
After material position is horizontal, starts the lower ash bucket unloading valve 13 of lower hopper bottom, dust is discharged.
The cathod system includes cathode line 15 and polar curve frame, and high-voltage cathodes line uses stainless steel material, cathode line pattern
For zigzag, more discharge tip line styles such as fishbone also can be selected, thus enhanced discharge effect, but it is not limited to the form.
The dust-extraction unit ontology 1 is oval barrel structure, and top and bottom are arc structure, cathod system and anode system
Purge mode is to use arc-shaped 6 side arm sinker deashing of ash-clearing structure, and the ash-clearing structure 6 that is arc-shaped is refractory metal material
Expect a kind of metallic brush made, is arranged along the wide temperature high leakproofness dust-extraction unit body bottom portion center of arc axial symmetry of self-sustaining, with
Mechanically operated mode makees arcuate movement, removes the dust on the wide temperature high leakproofness dust-extraction unit bottom circular arc inner wall of self-sustaining.
The inert gas system includes inert gas air accumulator 16, conveying fan 17, inert gas hot-air blowing mechanism
18, ash bucket flammable explosive gas blowing mechanism 14, recovering mechanism 19, the inert gas air accumulator 16 by feeder motor 17 with
Inert gas filled layer is connected, and the inert gas filled layer is inflammable with inert gas hot-air blowing mechanism 18, ash bucket respectively
Explosion hazard gases blowing mechanism 14, recovering mechanism 19 are connected.Inert gas after use is stored in inert gas recovering mechanism 19
In, it realizes recycling for inert gas, reduces operating cost.
Dust-extraction unit ontology inlet is equipped with entrance guiding plate 20, and the outlet of dust-extraction unit ontology is equipped with outlet deflector
21。
The high alumina ceramic includes thermocouple 4-1, insulation barrel 4-2, insulator 4-3, and insulator periphery is equipped with dust cover.It is high
Aluminium ceramics 4 are continually fed into inert gas by inert gas hot-air blowing mechanism 18, carry out hot-air blowing, security of system energy
It is good.Temperature is measured by thermocouple 4-1, insulation barrel 4-2 reduces heat and distributes, and dust cover avoids insulator 4-3 dust stratification, insulator
4-3 material selection corundum insulating materials resistant to high temperature, guarantees that insulation performance is good when temperature is higher.
The technique being dusted using the wide temperature high leakproofness dust-extraction unit of above-mentioned self-sustaining, is included the following steps:
A, inert gas is filled in double-layer seal anti-leak shell and anode plate central core, the wide temperature high leakproofness of self-sustaining is removed
The starting operation of dirt device；
B, high-temperature gas enters the wide temperature high leakproofness dust-extraction unit of self-sustaining, double-layer seal anti-leak outer casing inner wall and anode
The temperature difference of plate becomes larger, wherein the thermoelectric material inlayed starts to convert heat into electric energy, provides power supply for precipitator power supplies,
Particulate matter in gas is charged in the electric field, mobile to anode plate under the action of electric field force, is collected by anode plate, purified
The wide temperature high leakproofness dust-extraction unit of self-sustaining is discharged in gas；
C, the particulate matter that anode plate is collected runs up to certain thickness, and starting ash removal equipment for flapping carries out anode plate deashing, yin
Electrode systems dust stratification to a certain extent, starting ash removal equipment for flapping carry out cathod system deashing, remove the dust to get off fall in it is self-holding
The wide temperature high leakproofness dust-extraction unit bottom circular arc inner wall of formula；
D, start arc-shaped ash-clearing structure, will fall on the wide temperature high leakproofness dust-extraction unit bottom circular arc inner wall of self-sustaining
Dust collection is into upper ash bucket；
E, after upper ash bucket dust is collected completely, hopper bottom unloading valve in unlatching, so that dust falls into lower ash bucket in upper ash bucket；
F, after dust runs up to certain material position in ash bucket instantly, ash bucket unloading valve in closing is passed through inertia in downward ash bucket
Gas, dilution displacement flammable explosive gas that may be present to level of security, and it is cooled to safe temperature, start lower hopper bottom
Dust is discharged in unloading valve；
The inert gas is flow regime, and the part inert gas after being heated is used as explosion-proof indifferent gas after further heating
The hot gas source of body blow device.
By step a~f, the function of gas cleaning at high temperature is realized.
In inflammable and explosive pyrolysis coal gas atmosphere, when gas temperature is 600 DEG C, the removal efficiency of particulate matter be can be improved
99%, concentration of emission can be reduced to 30mg/m3Hereinafter, realizing that the self power generation energy provides high frequency electric source electricity consumption and deduster vibration simultaneously
Play electricity consumption, the electricity consumption of deduster rotatable parts and ash bucket heated sealed electricity consumption.
The present invention can effectively remove particulate matter at high temperature, and particulate matter removing in especially inflammable and explosive atmosphere is promoted
It ensure that the self-sufficient of safety and the energy while efficiency of traditional cleaner.
Embodiment 2
The device of the invention is applied to the particulate matter efficient removal of high-temperature coal gasification reducing atmosphere, and agent set is as implemented
Described in example 1.
In coal gasification reducing gas, when flue-gas temperature is 800 DEG C, the removal efficiency of particulate matter discharges dense up to 98%
Degree can be reduced to 80mg/m3Hereinafter, realize simultaneously the self power generation energy provide high frequency electric source electricity consumption, the electricity consumption of deduster rotatable parts and
Deduster rapping electricity consumption.
Embodiment 3
The device of the invention is applied to the particulate matter efficient removal of high-temperature coal gasification reducing atmosphere, and agent set is as implemented
Described in example 1.Electrostatic precipitator selects the configuration of two electric fields.
In coal gasification reducing gas, when flue-gas temperature is 450 DEG C, the removal efficiency of the particulate matter of selected deduster can
Up to 95%, concentration of emission can be reduced to 100mg/m3Hereinafter, realizing that the self power generation energy provides high frequency electric source electricity consumption and dedusting simultaneously
Device rapping electricity consumption.
Embodiment 4
The device of the invention is applied to the particulate matter efficient removal in high temperature coke oven coal gas atmosphere, agent set such as embodiment
Described in 1.It is appropriate to increase rapping intensity and extend the rapping time, overcome the tough disadvantage of coke-stove gas flying dust, electrostatic precipitator
Two electric fields are selected to configure.
In the reducing atmosphere of coke-stove gas, when flue-gas temperature is 400 DEG C, the removing effect of the particulate matter of selected deduster
For rate up to 95%, concentration of emission can be reduced to 100mg/m3Hereinafter, realize simultaneously the self power generation energy provide high frequency electric source electricity consumption and
Deduster rapping electricity consumption.
Embodiment 5
The device of the invention is applied to the efficient removal of high temperature coal flue gas particles, and agent set is as described in Example 1.
Shell uses single hull, and without inert gas purge and corresponding explosion-protection equipment, electrostatic precipitator selects three electric fields to match
It sets.
In coal-fired plant flue gas, when flue-gas temperature is 400 DEG C, the removal efficiency of the particulate matter of deduster up to 99%,
Concentration of emission can be reduced to 30mg/m3Hereinafter, thermoelectric material power generation, which can meet, realizes high frequency electric source electricity consumption.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (10)
1. a kind of wide temperature high leakproofness dust-extraction unit of self-sustaining, including dust-extraction unit ontology, anode system, cathod system and high alumina
Ceramics, the anode system include anode plate, it is characterised in that: the dust-extraction unit ontology is equipped with outside double-layer seal anti-leak
Shell is equipped with cooling inert gas filled layer among the double-layer seal anti-leak shell and among anode plate, described
Thermoelectric material layer is equipped on double-layer seal anti-leak outer casing inner wall, anode plate outer wall, the dust-extraction unit ontology is equipped with anti-
Quick-fried relief valve, the dust-extraction unit body bottom portion are connected with double-layered anti-leakage ash discharge ash bucket, and dust-extraction unit body bottom portion is equipped with clear
Grey structure；The inert gas filled layer is connected with inert gas system, the thermoelectric material layer and precipitator power supplies system
It is connected.
2. the wide temperature high leakproofness dust-extraction unit of self-sustaining according to claim 1, it is characterised in that: the double-layered anti-leakage row
Ash bucket includes upper ash bucket and lower ash bucket, and the upper hopper bottom is equipped with upper ash bucket unloading valve, lower ash bucket and inert gas system
It is connected, lower ash bucket top is equipped with flammable explosive gas detection system, and lower hopper bottom is equipped with lower ash bucket unloading valve.
3. the wide temperature high leakproofness dust-extraction unit of self-sustaining according to claim 1, it is characterised in that: the dust-extraction unit sheet
Side portion is equipped with ash removal equipment for flapping.
4. the wide temperature high leakproofness dust-extraction unit of self-sustaining according to claim 1, it is characterised in that: the dust-extraction unit sheet
Body is oval barrel structure, and top and bottom are arc structure, and the ash-clearing structure is a circular-arc structure, and is refractory metal material
A kind of metallic brush for expecting production is arranged along dust-extraction unit body bottom portion center of arc's axial symmetry, is made arc in a manner of mechanically operated
Shape movement.
5. the wide temperature high leakproofness dust-extraction unit of self-sustaining according to claim 1, it is characterised in that: the explosion-proof relief valve
Including valve body, rupture disk and clamper, the rupture disk is connected by screw bolts among clamper with valve body.
6. the wide temperature high leakproofness dust-extraction unit of self-sustaining according to claim 1, it is characterised in that: the indifferent gas system
System include inert gas air accumulator, conveying fan, inert gas hot-air blowing mechanism, ash bucket flammable explosive gas blowing mechanism,
Recovering mechanism, the inert gas air accumulator are connected by feeder motor with inert gas filled layer, and the inert gas is filled out
Layer is filled to be connected with inert gas hot-air blowing mechanism, ash bucket flammable explosive gas blowing mechanism, recovering mechanism respectively.
7. the wide temperature high leakproofness dust-extraction unit of self-sustaining according to claim 1, it is characterised in that: the dust-extraction unit sheet
Body inlet is equipped with entrance guiding plate, and the outlet of dust-extraction unit ontology is equipped with outlet deflector.
8. the wide temperature high leakproofness dust-extraction unit of self-sustaining according to claim 1, it is characterised in that: the high alumina ceramic packet
Thermocouple, insulation barrel, insulator are included, insulator periphery is equipped with dust cover.
9. a kind of wide temperature high leakproofness dust collecting process of self-sustaining, it is characterised in that: wanted using any one of claim 1~8 right
The wide temperature high leakproofness dust-extraction unit of self-sustaining is sought, is included the following steps:
A, inert gas, the wide temperature high leakproofness dedusting dress of self-sustaining are filled in double-layer seal anti-leak shell and anode plate central core
Set starting operation；
B, high-temperature gas enters the wide temperature high leakproofness dust-extraction unit of self-sustaining, double-layer seal anti-leak outer casing inner wall and anode plate
Temperature difference becomes larger, and thermoelectric material therein starts to convert heat into electric energy, provides power supply for deduster, the particle in gas
Object is charged in the electric field, mobile to anode plate under the action of electric field force, is collected by anode plate, and purified gas discharge is controlled oneself
The wide temperature high leakproofness dust-extraction unit of formula；
C, the particulate matter that anode plate is collected runs up to certain thickness, and starting ash removal equipment for flapping carries out anode plate deashing, cathode system
Dust stratification unite to a certain extent, starting ash removal equipment for flapping carries out cathod system deashing, and removing the dust to get off, to fall in self-sustaining wide
Warm high leakproofness dust-extraction unit bottom circular arc inner wall；
D, start ash-clearing structure, will fall in the dust collection on the wide temperature high leakproofness dust-extraction unit bottom circular arc inner wall of self-sustaining into
Upper ash bucket；
E, after upper ash bucket dust is collected completely, hopper bottom unloading valve in unlatching, so that dust falls into lower ash bucket in upper ash bucket；
F, after dust runs up to certain material position in ash bucket instantly, ash bucket unloading valve in closing is passed through inert gas in downward ash bucket,
Dilution displacement flammable explosive gas is cooled to safe temperature to level of security, starts lower hopper bottom unloading valve, powder is discharged
Dirt.
10. holding the wide temperature high leakproofness dust collecting process of formula according to claim 9, it is characterised in that: the inert gas is stream
Dynamic state, it is heated after part inert gas further heat after hot gas source as explosion-proof inert blowing gas sweeping device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811167689.1A CN109158212B (en) | 2018-10-08 | 2018-10-08 | Self-supporting type wide-temperature high-tightness dust removing device and process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811167689.1A CN109158212B (en) | 2018-10-08 | 2018-10-08 | Self-supporting type wide-temperature high-tightness dust removing device and process |
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| Publication Number | Publication Date |
|---|---|
| CN109158212A true CN109158212A (en) | 2019-01-08 |
| CN109158212B CN109158212B (en) | 2024-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811167689.1A Active CN109158212B (en) | 2018-10-08 | 2018-10-08 | Self-supporting type wide-temperature high-tightness dust removing device and process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111359335A (en) * | 2020-03-31 | 2020-07-03 | 成都易态科技有限公司 | Ash discharge device and ash discharge method |
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|---|---|---|---|---|
| GB1136237A (en) * | 1964-12-17 | 1968-12-11 | Schloz Motor Condensator | Improvements relating to electrostatic filters and flocculators |
| CN2508857Y (en) * | 2001-11-06 | 2002-09-04 | 黑龙江省庆安三松实业有限公司 | Anti-explosive dewfall-proof high-voltage electrostatic dust separator |
| CN108435424A (en) * | 2018-04-19 | 2018-08-24 | 浙江大学 | A kind of electrostatic precipitator for coal gas of high temperature |
| CN208786666U (en) * | 2018-10-08 | 2019-04-26 | 浙江大学 | A kind of wide temperature high leakproofness dust-extraction unit of self-sustaining |
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2018
- 2018-10-08 CN CN201811167689.1A patent/CN109158212B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1136237A (en) * | 1964-12-17 | 1968-12-11 | Schloz Motor Condensator | Improvements relating to electrostatic filters and flocculators |
| CN2508857Y (en) * | 2001-11-06 | 2002-09-04 | 黑龙江省庆安三松实业有限公司 | Anti-explosive dewfall-proof high-voltage electrostatic dust separator |
| CN108435424A (en) * | 2018-04-19 | 2018-08-24 | 浙江大学 | A kind of electrostatic precipitator for coal gas of high temperature |
| CN208786666U (en) * | 2018-10-08 | 2019-04-26 | 浙江大学 | A kind of wide temperature high leakproofness dust-extraction unit of self-sustaining |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111359335A (en) * | 2020-03-31 | 2020-07-03 | 成都易态科技有限公司 | Ash discharge device and ash discharge method |
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| Publication number | Publication date |
|---|---|
| CN109158212B (en) | 2024-04-26 |
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