CN108421637A - Industrial waste gas fine particle coalescence removes and the total system of UTILIZATION OF VESIDUAL HEAT IN - Google Patents
Industrial waste gas fine particle coalescence removes and the total system of UTILIZATION OF VESIDUAL HEAT IN Download PDFInfo
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- CN108421637A CN108421637A CN201810119495.8A CN201810119495A CN108421637A CN 108421637 A CN108421637 A CN 108421637A CN 201810119495 A CN201810119495 A CN 201810119495A CN 108421637 A CN108421637 A CN 108421637A
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- Prior art keywords
- coalescence
- electric precipitator
- discharge electrode
- corona discharge
- fine particle
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- 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
- B03C3/01—Pretreatment of the gases prior to electrostatic precipitation
- B03C3/014—Addition of water; Heat exchange, e.g. by condensation
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- 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
- B03C3/017—Combinations of electrostatic separation with other processes, not otherwise provided for
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- 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
- B03C3/02—Plant or installations having external electricity supply
- B03C3/04—Plant or installations having external electricity supply dry type
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- 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
- B03C3/40—Electrode constructions
- B03C3/41—Ionising-electrodes
-
- 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
- B03C3/40—Electrode constructions
- B03C3/45—Collecting-electrodes
- B03C3/47—Collecting-electrodes flat, e.g. plates, discs, gratings
Abstract
The present invention relates to technical field of energy saving and environmental protection, more particularly to a kind of total system of industrial waste gas fine particle coalescence removing and UTILIZATION OF VESIDUAL HEAT IN, including gaseous effluent, steam phase transformation coalescence room, electric precipitator, desulfurizing tower, exhaust gas reheater, air-introduced machine and the chimney being arranged in series from front to back by process sequence successively, exhaust gas inlet is provided on gaseous effluent, heat exchanger is provided in gaseous effluent, electric precipitator is half honeycomb type dust collecting pole plate electric precipitator.The present invention is combined by steam phase transformation coalescence room and the unique structure of electric precipitator so that fine particle removal efficiency further improves.
Description
Technical field
The present invention relates to technical field of energy saving and environmental protection more particularly to a kind of removing of industrial waste gas fine particle coalescence and waste heats
The total system utilized.
Background technology
There is a large amount of SO in the exhaust gas that the industries such as oil, chemical industry, steel, electric power, building materials generateX、NOX, inhalable
Grain object (PM10) especially fine particle (PM2.5) etc. drastically influences life, the production of the mankind.It is increasingly tight with haze
Weight, control atmosphere pollution is very urgent, while control atmosphere pollution, makes full use of the waste heat in exhaust gas, goes in removing exhaust gas
Fine particulates be industry energy conservation emission reduction main task.The number of subparticle especially PM10 particulate matters below in flue dust
Concentration is measured up to the 99% of total quantity concentration, and current most of deduster is not high for fine particulates removal efficiency, because
This must pay attention to the improvement of fine grained pollutant.
The tradition dust-extraction unit such as cyclone dust collectors and inertial dust separator is preferable to the dust removal effect of bulky grain, but for
The treatment effect of subparticle is bad；The treatment effect of electrostatic precipitator, sack cleaner and wet scrubber to fine dust
Preferably, wet but since sack cleaner cloth bag needs periodic replacement, cost higher and is not suitable for the larger air-flow of humidity
The shortcomings of blocking, corrosion, easily occurs for formula deduster, and electrostatic precipitator becomes widely used industrial smoke processing at present and sets
It is standby.
Currently, electrostatic precipitator removing particulate matter is susceptible to reentrainment of dust problem, it is larger that grain size in exhaust gas can only be removed
Particulate pollutant, the waste heat recovery in processing and exhaust gas for fine particle pollutant, gas pollutant is helpless,
The object of the present invention is to provide a kind of removing of industrial waste gas fine particle coalescence and the total systems of UTILIZATION OF VESIDUAL HEAT IN.
Invention content
The technical problem to be solved by the present invention is to：In order to solve the general technology of industrial waste gas dedusting effect in the prior art
Problem, the present invention provide the total system of a kind of removing of industrial waste gas fine particle coalescence and UTILIZATION OF VESIDUAL HEAT IN, make full use of
Waste gas residual heat, a part provide steam for steam phase transformation coalescence room, and another part enters exhaust gas reheater；It will by phase transformation coalescence
Fine particulates Caragana seed pests, larger particles are deposited to cesspool, while it is smaller further to remove using electrostatic precipitator grain size
Fine particulates.
The technical solution adopted by the present invention to solve the technical problems is：A kind of removing of industrial waste gas fine particle coalescence and
The total system of UTILIZATION OF VESIDUAL HEAT IN, including be arranged in series from front to back by process sequence successively gaseous effluent, steam phase
Become coalescence room, electric precipitator, desulfurizing tower, exhaust gas reheater, air-introduced machine and chimney, exhaust gas inlet be provided on gaseous effluent,
Heat exchanger is provided in gaseous effluent, the electric precipitator is half honeycomb type dust collecting pole plate electric precipitator, half honeycomb type
Dust collecting pole plate electric precipitator includes that shell, the first corona discharge electrode and multiple half honeycombs gather dust unit, is respectively set on the both ends of shell
There are electric precipitator import and electric precipitator outlet, electric precipitator import to be connected with steam phase transformation coalescence room, electric precipitator outlet
It is connected with desulfurizing tower, the first corona discharge electrode of electric precipitator import is arranged in shell close to electric precipitator entrance, multiple half bees
Nest gathers dust, and unit is interlaced to be arranged in shell, and half honeycomb gathers dust and forms full of twists and turns runner, each half bee between unit
The nest unit that gathers dust includes at least one half honeycomb dust collecting pole plate and a center corona discharge electrode, and half honeycomb dust collecting pole plate includes platysome
With two fold inclined plates, two fold inclined plates, which are respectively fixedly connected with to be formed between the both sides of platysome, two fold inclined plates, to be expanded
Mouthful, flaring is gradually expanded from inside to outside, flaring towards center corona discharge electrode, the length direction both ends of half honeycomb dust collecting pole plate respectively and
Top and bottom in shell are fixedly connected, and electric precipitator import to electric precipitator export direction is X-direction, half honeycomb dust collector pole
The length direction and X-direction of plate are perpendicular, and platysome and X-direction are parallel, and the first corona discharge electrode and center corona discharge electrode are and shell
Inside it is fixedly connected.
The present invention makes the dust collecting pole plate in deduster into half honeycomb fashion, and the half honeycomb unit that gathers dust is staggered, and makes
Half honeycomb gathers dust and forms full of twists and turns runner between unit, the exhaust gas after coalescence and particulate matter, into after deduster,
Can between runner circuitous flow, so that deduster internal gas flow is formed binary vortices, effectively increase particle encounter probability, increase powder
Dirt particle residence time, enables to dust to be more adsorbed onto on dust collecting pole plate in this way, further increases dust removing effects, and more
Adding effectively prevents reentrainment of dust；Reduce electric precipitator volume, economy is preferable.
In order to further improve dust removing effects, each half honeycomb unit that gathers dust includes two and half honeycomb dust collector poles
Plate and a center corona discharge electrode, two and half honeycomb dust collecting pole plates are symmetrical arranged centered on a center corona discharge electrode, two and half bees
Nest dust collecting pole plate does not contact with each other.Two and half honeycomb dust collecting pole plates do not contact with each other, and further increase the quantity of runner,
Increase the dust particles residence time, improves particle encounter probability.
Further, the steam phase transformation coalescence room include coalescence room housing, coalescence room housing lower end be provided with expansion chamber
Shell is provided with the import of coalescence room on the lower part of coalescence room housing, and the outlet of coalescence room, coalescence are provided at the top of coalescence room housing
Room import is connected with gaseous effluent, and the outlet of coalescence room is connected with electric precipitator import, setting in the coalescence room housing
There are swirl vane and pipe, the top of pipe is fixedly connected with the top in coalescence room housing, and the top of pipe and exhaust gas are cold
But the high-temperature steam outlet of device is connected, can also the high-pressure liquid line of external outside be connected, the bottom of pipe is provided with
Three equally distributed steam jets, three steam jets are in 120 ° between each other, and the center line of steam jet and pipe is
45 °, helically formula is circumferentially positioned at pipe periphery to swirl vane from bottom to up, and swirl vane is also associated with rotating driving device.
Exhaust gas is required for carrying out coalescence to exhaust gas before dedusting, and the purpose of coalescence is in order to which little particle coalescence at bulky grain, to have in this way
Conducive to subsequent dust removing effects, particle is too small to be not easy to remove, and the present invention can uniformly be protected by the way that three nozzles are arranged and arrange
Hold quantity of steam abundance, make fine grained and the abundant coalescence of vapor, be arranged rotation swirl vane can improve gas turbulent flow it is strong
Degree further increases particulate matter collision probability, extends time of the particulate matter in steam phase transformation coalescence room, improves more coalescences
Effect, the swirl vane of rotation, which can also get rid of the bulky grain dropped on blade, falls on shell of dust remover, and then flows to heavy
Room is dropped, can achieve the effect that rough dusting, can also improve coalescence efficiency.
In order to enable electric discharge is uniform, the periphery of first corona discharge electrode and center corona discharge electrode is both provided with uniform prickle
The end of line, the prickle wire is flush end.The end of existing prickle wire is tip, and discharge uneven influence charging particle, removes
Dirt is ineffective.
In order to energy saving, the gaseous effluent is connected with exhaust gas reheater.The top of pipe and exhaust gas are cold
But the high-temperature steam outlet of device is connected.A part of water supply vapour phase of high-temperature water after the discarded heat exchange into gaseous effluent of high temperature
Become coalescence room and steam is provided, another part enters exhaust gas reheater as heat source, and the cooling water after the heat exchange of exhaust gas reheater carries again
Gaseous effluent is supplied as the cooling energy, recycling residual heat forms waste-heat recovery device, cost-effective, more effective to remove
The fine particle that wet electrical dust precipitator independent role can not remove, pressure fan and pipeline caused by capable of also preventing exhaust gas temperature too low
Frosting and SO3At acid corrosion problem.
In order to remove the dust on half honeycomb dust collecting pole plate and improve dust removing effects, the top in the shell is also
It is provided with multiple fluid injectors, fluid injector half honeycomb dust collecting pole plate of direction.
The invention has the advantages that the industrial waste gas fine particle coalescence removing of the present invention and the General Office of UTILIZATION OF VESIDUAL HEAT IN
Reason system efficiently uses waste gas residual heat by waste-heat recovery device, the circulating water heating under room temperature to steam condition, after heating
A steam part provide steam for steam phase transformation coalescence room, another part enters exhaust gas reheater, and carrying out waste heat circulation can
The fine particle that more effective removing wet electrical dust precipitator independent role can not remove, can also prevent from sending caused by exhaust gas temperature is too low
Wind turbine and pipeline frosting and SO3At a kind of acid corrosion problem steam phase transformation coagulating technique provided by the invention, fine particle is in water
Vapour phase becomes coalescence room Caragana seed pests, and the exhaust gas large particle after coalescence falls into cesspool, meanwhile, fine particle is further removed by electricity
Dirt device removes, and steam phase transformation coalescence room and the unique structure of electric precipitator are combined so that fine particle removal efficiency is more into one
Step improves.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the structural representation of the total system of industrial waste gas fine particle coalescence removing of the present invention and UTILIZATION OF VESIDUAL HEAT IN
Figure.
Fig. 2 is the dimensional structure diagram of the electric precipitator of the present invention.
Fig. 3 is the vertical view of the electric precipitator of the present invention.
Fig. 4 is the structural schematic diagram of half honeycomb dust collecting pole plate of the electric precipitator of the present invention.
Fig. 5 is the structural schematic diagram of the first corona discharge electrode of the electric precipitator of the present invention.
Fig. 6 is the structural front view of the steam phase transformation coalescence room of the present invention.
Fig. 7 is the vertical view of the steam phase transformation coalescence room of the present invention.
In figure：1, gaseous effluent, 1-1, exhaust gas inlet, 1-2, heat exchanger, 2, steam phase transformation coalescence room, 2-1, coalescence room
Shell, 2-2, sedimentation room housing, 2-3, swirl vane, 2-4, pipe, 2-5, steam jet, 2-6, the import of coalescence room, 3, electricity removes
Dirt device, 3-1, shell, 3-2, the first corona discharge electrode, 3-2-1, prickle wire, 3-3, runner, 3-4, half honeycomb dust collecting pole plate, 3-4-1,
Platysome, 3-4-2, fold inclined plate, 3-4-3, flaring, 3-5, center corona discharge electrode, 4, desulfurizing tower, 5, exhaust gas reheater, 6, air inducing
Machine, 7, chimney.
Specific implementation mode
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates the basic structure of the present invention, therefore it only shows the composition relevant to the invention.
As shown in figs. 1-7, it is optimum embodiment of the present invention, a kind of removing of industrial waste gas fine particle coalescence and UTILIZATION OF VESIDUAL HEAT IN
Total system, including be arranged in series from front to back by process sequence successively gaseous effluent 1, steam phase transformation coalescence room
2, electric precipitator 3, desulfurizing tower 4, exhaust gas reheater 5, air-introduced machine 6 and chimney 7 are provided with exhaust gas inlet 1- on gaseous effluent 1
1, heat exchanger 1-2 is provided in gaseous effluent 1, electric precipitator 3 is half honeycomb type dust collecting pole plate electric precipitator, and half honeycomb type is received
Dirt polar plate electric dust collector includes that shell 3-1, the first corona discharge electrode 3-2 and multiple half honeycombs gather dust unit, on the both ends of shell 3-1 point
It is not provided with electric precipitator import and electric precipitator outlet, electric precipitator import is connected with steam phase transformation coalescence room 2, electric precipitation
Device outlet is connected with desulfurizing tower 4, the first corona discharge electrode of electric precipitator import 3-2 be arranged in shell 3-1 close electric precipitator into
Mouthful place, multiple half honeycombs gather dust the interlaced setting of unit in shell 3-1, half honeycomb gather dust formed between unit it is full of twists and turns
Runner 3-3, each half honeycomb unit that gathers dust includes at least one half honeycomb dust collecting pole plate 3-4 and a center corona discharge electrode 3-5,
Half honeycomb dust collecting pole plate 3-4 includes platysome 3-4-1 and two fold inclined plate 3-4-2, and two turn down inclined plate 3-4-2 and fix respectively
The both sides of platysome 3-4-1 are connected to, form flaring 3-4-3 between two fold inclined plate 3-4-2, flaring 3-4-3 is from inside to outside
It is gradually expanded, 3-4-3 is towards center corona discharge electrode 3-5 for flaring, and the length direction both ends of half honeycomb dust collecting pole plate 3-4 are respectively and shell
Top and bottom in 3-1 are fixedly connected, and electric precipitator import to electric precipitator export direction is X-direction (X-direction substantially water
Square to), the length direction and X-direction of half honeycomb dust collecting pole plate 3-4 is perpendicular, and platysome 3-4-1 and X-direction are parallel,
One corona discharge electrode 3-2 and center corona discharge electrode 3-5 be fixedly connected in shell 3-1.First corona discharge electrode 3-2 and center corona discharge electrode 3-5
It is cathode.
Each half honeycomb gather dust unit include a two and half honeycomb dust collecting pole plate 3-4 and center corona discharge electrode 3-5, two and half
Honeycomb dust collecting pole plate 3-4 is symmetrical arranged centered on a center corona discharge electrode 3-5, and two and half honeycomb dust collecting pole plate 3-4 are not mutual
Contact.
Lower end of the steam phase transformation coalescence room 2 including coalescence room housing 2-1, coalescence room housing 2-1 is provided with sedimentation room housing
2-2 is provided with the import of coalescence room on the lower part of coalescence room housing 2-1, and being provided with coalescence room at the top of coalescence room housing 2-1 goes out
Mouthful, the exhaust gas trend in steam phase transformation coalescence room 2 is from bottom to up that the import of coalescence room is connected with gaseous effluent 1, coalescence
Room outlet is connected with electric precipitator import, and swirl vane 2-3 and pipe 2-4, pipe 2-4 are provided in coalescence room housing 2-1
Top be fixedly connected with the top in coalescence room housing 2-1, and the top of pipe 2-4 is connected with external steam, pipe
The bottom setting of 2-4 is in 120 ° between each other there are three equally distributed steam jet 2-5, three steam jet 2-5, steam spray
The center line of mouth 2-5 and pipe 2-4 are 45 °, and helically formula is circumferentially positioned at the peripheries pipe 2-4 to swirl vane 2-3 from bottom to up,
Swirl vane 2-3 is also associated with rotating driving device, and rotating driving device can select motor driving disc, swirl vane 2-3
It is fixedly connected with turntable.
The periphery of first corona discharge electrode 3-2 and center corona discharge electrode 3-5 are both provided with uniform prickle wire 3-2-1, the prickle
The end of line 3-2-1 is flush end.Gaseous effluent 1 is connected with exhaust gas reheater 5, the top of pipe 2-4 and gaseous effluent 1
High-temperature steam outlet be connected.Top in shell 3-1 is additionally provided with multiple fluid injectors.Top in shell 3-1 can be with
Holder is set, and fluid injector is fixed on holder, and injection direction is downward, the upper end of the length direction of half honeycomb dust collecting pole plate 3-4
It is fixedly connected with holder.
The industrial waste gas fine particle coalescence removing of the present invention and the total system of UTILIZATION OF VESIDUAL HEAT IN, the exhaust gas of high temperature are first
Enter in gaseous effluent 1 from exhaust gas inlet 1-1, exhaust gas enters back into steam phase transformation coalescence room 2 after heat exchange cooling, in steam phase transformation
The particulate matter in exhaust gas is subjected to coalescence in coalescence room 2.Exhaust gas is required for carrying out coalescence, the purpose of coalescence to exhaust gas before dedusting
It is that particle is too small to be not easy to remove, in order to carry in order to which little particle coalescence at bulky grain, to be conducive to subsequent dust removing effects in this way
High coalescence effect, the present invention can uniformly keep quantity of steam sufficient, fine grained made to be steamed with water by the way that three nozzles are arranged and arrange
The abundant coalescence of gas, the swirl vane of rotation, which is arranged, can improve the turbulence intensity of gas, further increase particulate matter collision probability,
Extend time of the particulate matter in steam phase transformation coalescence room 2, improve more coalescence effects, the swirl vane of rotation can also incite somebody to action
The bulky grain dropped on blade, which is got rid of, falls on shell of dust remover, and then flows in expansion chamber, can achieve the effect that rough dusting,
Also coalescence efficiency can be improved.
By coalescence, treated that exhaust gas enters back into electric precipitator 3, and the present invention changes the dust collecting pole plate in electric precipitator 3
It is cellular at half, and the half honeycomb unit that gathers dust is staggered so that half honeycomb gathers dust and forms full of twists and turns stream between unit
Road 3-3, the exhaust gas after coalescence and particulate matter, into after electric precipitator 3, can between runner 3-3 circuitous flow, so that electricity is removed
3 internal gas flow of dirt device forms binary vortices, effectively increases particle encounter probability, increases the dust particles residence time, in this way can
So that dust is more adsorbed onto on dust collecting pole plate, dust removing effects are further increased, and significantly more efficient prevent reentrainment of dust；Subtract
Electric precipitator volume is lacked, economy is preferable.
Then the exhaust gas after dedusting carries out desulfurization in entering desulfurizing tower 4, then enters back into exhaust gas reheater 5 and adds again
Heat, last air-introduced machine 6 and chimney 7 are discharged into big sky, and air-introduced machine 6 is also the power source of exhaust gas trend.After gaseous effluent 1 exchanges heat
A part of water supply vapour phase of high-temperature water becomes coalescence room 2 and provides steam, and another part enters exhaust gas reheater 5 as heat source, and exhaust gas is again
Cooling water after hot device 5 exchanges heat is available to gaseous effluent 1 as the cooling energy, and recycling residual heat forms waste heat recovery
Device, cost-effective, the more effective fine particle that removes wet electrical dust precipitator independent role and can not remove.It is filled by waste heat recovery
It is set effective and utilizes waste gas residual heat, the circulating water heating under room temperature to steam condition, the steam part after heating is steam phase
Become coalescence room 2 and steam is provided, another part enters exhaust gas reheater, and wet-esp can more effectively be removed by carrying out waste heat circulation
The fine particle that device independent role can not remove, pressure fan and pipeline frosting and SO caused by capable of also preventing exhaust gas temperature too low3
At acid corrosion problem.
It is enlightenment with above-mentioned desirable embodiment according to the present invention, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to determine its technical scope according to right.
Claims (6)
1. the total system of a kind of industrial waste gas fine particle coalescence removing and UTILIZATION OF VESIDUAL HEAT IN, it is characterised in that：Including according to
The secondary gaseous effluent (1) being arranged in series from front to back by process sequence, electric precipitator (3), takes off steam phase transformation coalescence room (2)
Sulphur tower (4), exhaust gas reheater (5), air-introduced machine (6) and chimney (7) are provided with exhaust gas inlet (1-1) on gaseous effluent (1),
It is provided with heat exchanger (1-2) in gaseous effluent (1),
The electric precipitator (3) is half honeycomb type dust collecting pole plate electric precipitator, the half honeycomb type dust collecting pole plate electric precipitator packet
It includes shell (3-1), the first corona discharge electrode (3-2) and multiple half honeycombs to gather dust unit, electricity is respectively arranged on the both ends of shell (3-1)
Deduster import and electric precipitator outlet, electric precipitator import is connected with steam phase transformation coalescence room (2), electric precipitator outlet and
Desulfurizing tower (4) is connected, and the first corona discharge electrode of electric precipitator import (3-2) is arranged in shell (3-1) close to electric precipitator import
Place, multiple half honeycombs gather dust the interlaced setting of unit in the shell (3-1), half honeycomb gather dust formed between unit it is full of twists and turns
Runner (3-3),
Each half honeycomb unit that gathers dust includes at least one half honeycomb dust collecting pole plate (3-4) and a center corona discharge electrode (3-5), and half
Honeycomb dust collecting pole plate (3-4) includes platysome (3-4-1) and two fold inclined plates (3-4-2), two fold inclined plates (3-4-2) point
It is not fixedly connected on the both sides of platysome (3-4-1), forms flaring (3-4-3), flaring between two fold inclined plates (3-4-2)
(3-4-3) is gradually expanded from inside to outside, flaring (3-4-3) towards center corona discharge electrode (3-5), half honeycomb dust collecting pole plate (3-4)
Length direction both ends are fixedly connected with the top and bottom in shell (3-1) respectively, and electric precipitator import to electric precipitator exports
Direction is X-direction, and the length direction and X-direction of half honeycomb dust collecting pole plate (3-4) are perpendicular, platysome (3-4-1) and X-direction phase
Parallel, the first corona discharge electrode (3-2) and center corona discharge electrode (3-5) are and shell (3-1) is interior is fixedly connected.
2. the total system of industrial waste gas fine particle coalescence removing as described in claim 1 and UTILIZATION OF VESIDUAL HEAT IN, special
Sign is：Each half honeycomb gather dust unit include two and half honeycomb dust collecting pole plates (3-4) and a center corona discharge electrode (3-
5), two and half honeycomb dust collecting pole plates (3-4) are symmetrical arranged centered on a center corona discharge electrode (3-5), and two and half honeycombs gather dust
Pole plate (3-4) does not contact with each other.
3. the total system of industrial waste gas fine particle coalescence removing as described in claim 1 and UTILIZATION OF VESIDUAL HEAT IN, special
Sign is：The steam phase transformation coalescence room (2) include coalescence room housing (2-1), coalescence room housing (2-1) lower end be provided with it is heavy
Room housing (2-2) is dropped, the import of coalescence room is provided on the lower part of coalescence room housing (2-1), is set at the top of coalescence room housing (2-1)
It is equipped with the outlet of coalescence room, the import of coalescence room is connected with gaseous effluent (1), and the outlet of coalescence room is connected with electric precipitator import
It is logical,
It is provided with swirl vane (2-3) and pipe (2-4), the top of pipe (2-4) and coalescence in the coalescence room housing (2-1)
Top in room housing (2-1) is fixedly connected, and the top of pipe (2-4) is connected with external steam, the bottom of pipe (2-4)
Portion's setting is there are three equally distributed steam jet (2-5), and three steam jets (2-5) are in 120 ° between each other, steam jet
The center line of (2-5) and pipe (2-4) is 45 °, and helically formula is circumferentially positioned at pipe (2- to swirl vane (2-3) from bottom to up
4) peripheral, swirl vane (2-3) is also associated with rotating driving device.
4. the total system of industrial waste gas fine particle coalescence removing as described in claim 1 and UTILIZATION OF VESIDUAL HEAT IN, special
Sign is：The periphery of first corona discharge electrode (3-2) and center corona discharge electrode (3-5) is both provided with uniform prickle wire (3-2-1),
The end of the prickle wire (3-2-1) is flush end.
5. the total system of industrial waste gas fine particle coalescence removing as described in claim 1 and UTILIZATION OF VESIDUAL HEAT IN, special
Sign is：The gaseous effluent (1) is connected with exhaust gas reheater (5), the top of pipe (2-4) and gaseous effluent (1)
High-temperature steam outlet be connected.
6. the total system of industrial waste gas fine particle coalescence removing as described in claim 1 and UTILIZATION OF VESIDUAL HEAT IN, special
Sign is：Top in the shell (3-1) is additionally provided with multiple fluid injectors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810119495.8A CN108421637B (en) | 2018-02-06 | 2018-02-06 | Comprehensive treatment system for condensation and removal of fine particles in industrial waste gas and utilization of waste heat |
Applications Claiming Priority (1)
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| CN110411907A (en) * | 2019-06-19 | 2019-11-05 | 上海交通大学 | Submicron Particles coalescence efficiency test method, system and medium on plant leaf blade |
| CN112024125A (en) * | 2020-08-17 | 2020-12-04 | 常州大学 | Vertical multistage double-drive coupling electrostatic dust collector |
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| CN108421637B (en) | 2020-05-26 |
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