CN108787168A - A kind of electric precipitator with heat exchange function - Google Patents
A kind of electric precipitator with heat exchange function Download PDFInfo
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- CN108787168A CN108787168A CN201810727585.5A CN201810727585A CN108787168A CN 108787168 A CN108787168 A CN 108787168A CN 201810727585 A CN201810727585 A CN 201810727585A CN 108787168 A CN108787168 A CN 108787168A
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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
- B03C3/025—Combinations of electrostatic separators, e.g. in parallel or in series, stacked separators, dry-wet separator combinations
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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
- B03C3/08—Plant or installations having external electricity supply dry type characterised by presence of stationary flat electrodes arranged with their flat surfaces parallel to the gas stream
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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
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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
- B03C3/45—Collecting-electrodes
- B03C3/47—Collecting-electrodes flat, e.g. plates, discs, gratings
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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
- B03C3/60—Use of special materials other than liquids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The present invention relates to a kind of electric precipitators with heat exchange function, belong to environment protection energy-saving equipment technical field.In electric precipitator ontology (1) several groups electric field (2) is equipped with along flue gas flow direction, further include heat exchange anode system (3), residual heat using device (8) and water pump (5), it is equipped with heat exchange anode system (3) in every group of electric field (2), the bottom of heat exchange anode system (3) is connected with water pump (5) by the road, the top of heat exchange anode system (3) is connected with residual heat using device (8) one end by the road, the other end of residual heat using device (8) is connected with water pump (5) by the road, heat transferring medium is equipped in heat exchange anode system (3).Retrofit on electrostatic precipitator is had concurrently the function of heat exchanger by the present invention, while improving the dust removal performance of electric precipitator, has dedusting and heat exchange dual function.
Description
Technical field
The present invention relates to a kind of electric precipitators with heat exchange function, belong to environment protection energy-saving equipment technical field.
Background technology
The atmospheric environment situation in China allows of no optimist at present, with constantly carrying for each industrial department environmental emission standard
Height, it is increasingly stringent to the performance requirement of cleaner, while requiring cleaner that there is energy-saving effect.Electric precipitator has dedusting
It efficient, stable and reliable operation, the features such as equipment resistance is low, maintenance cost is low, receives praises from customers.At present China's electric power,
The industries such as steel, building materials, chemical industry, electric precipitator are main cleaner, and electric precipitator emission reduction effect is notable, but energy saving unknown
It is aobvious.In industrial departments such as electric power, steel, building materials, chemical industry, for the higher working condition of the flue-gas temperature of discharge, generally 100
DEG C -200 DEG C, this partial fume is generally directly discharged to air, the heat of this partial fume after dedusting, sulfur removal technology purification
The loss of amount in vain such as considers before deduster plus low-level (stack-gas) economizer recycles this partial heat, needs to increase and invest, increases simultaneously
The failure rate of system.
Invention content
The object of the present invention is to provide a kind of electric precipitators with heat exchange function, and Retrofit on electrostatic precipitator is had concurrently and is changed
The function of hot device, while the dust removal performance of electric precipitator is improved, there is dedusting and heat exchange dual function.
In order to solve the above technical problems, the present invention adopts the following technical scheme that：
A kind of electric precipitator with heat exchange function includes electric precipitator ontology, along flue gas in the electric precipitator ontology
Flow direction is equipped with several groups electric field, the effective length about 4m of electric field from front to back.The invention also includes heat exchange anode system, waste heat profits
With device and water pump, it is equipped with heat exchange anode system in every group of electric field, the bottom of the heat exchange anode system connects by the road
It is connected to exit of pump, the top of the heat exchange anode system is connected with residual heat using device one end, the UTILIZATION OF VESIDUAL HEAT IN by the road
The other end of device is connected with unit fixed on water pump suction by the road, is equipped with heat transferring medium in the heat exchange anode system, and heat transferring medium can be with
It recycles.
Electric precipitator above-mentioned with heat exchange function, the heat exchange anode system include multiple rows of anode plate being connected in parallel
Row.
Electric precipitator above-mentioned with heat exchange function, if the anode arranged plate, which includes bottom frame, sets a roof beam in place, top frame is set a roof beam in place,
Dry plate anode plate and heat exchanger tube, wherein bottom frame are set a roof beam in place and top frame is set a roof beam in place horizontal parallel arrangement, and the bottom frame sets a roof beam in place and push up
If being equipped with dry plate anode plate between portion's Vierendeel girder vertically, several heat exchanger tubes are equipped on the every anode plate vertically.Anode
Plate and upper and lower beam Assembling simultaneously weld tightly, become anode arranged plate.Anode system structure of the present invention from traditional electric precipitator
Transformation is started with, and heat exchanger tube is added on anode plate, the heat transferring medium flowed is equipped in heat exchanger tube.The bottom frame set a roof beam in place as
Low temperature water main pipe, the top frame are set a roof beam in place as high warm water discharge main pipe, and one end and the low temperature water main pipe of the heat exchanger tube connect
Logical, the other end of the heat exchanger tube is connected to high warm water discharge main pipe, and the low temperature water main pipe is also connected with water pump by the road, institute
It states high warm water discharge main pipe and is also connected with residual heat using device by the road.The bottom frame is set a roof beam in place, top frame is set a roof beam in place, equal in heat exchanger tube
Equipped with heat transferring medium, heat transferring medium can recycle.Anode arranged plate has multiple rows of anode plate as heat exchange element, each electric field
Row, anode arranged plate is in parallel, and often arranging anode arranged plate, there are one low temperature water main pipe (bottom frame is set a roof beam in place) and one high warm water discharge main pipes
(top frame is set a roof beam in place), using bottom in and top out ability of swimming.Low-temperature heat exchange medium is sent to electric precipitator by water pump pressurization has heat exchange work(
The front electric field of energy, by cooling high-temperature fume, smoke temperature reduces by 25 DEG C -30 DEG C, and heat exchange medium temperature increases 45 DEG C -50 DEG C, flue gas
In front, electric field not only dedusting but also cooling, then proceedes to posteriorly electrical field-flow and is cleaned, the high temperature heat transferring medium discharge after heat exchange
Electric precipitator is to residual heat using device (Secondary Air etc. that can be used for heat supply heating or heating boiler), and heat transferring medium is by waste heat
Using low-temperature heat exchange medium is become after device, can it be pumped to heat exchange anode system through water again, heat transferring medium can be recycled.This
Invention improvement cost is relatively low, is transformed on the basis of existing electrostatic precipitator structure, and the global design of electric precipitator is not by shadow
It rings, including the structure type of electric precipitator, electric field flow velocity, dust-collecting area, homopolarity spacing etc. be according to conventional design, only because of heat exchange
The increase of the weight and heat transferring medium weight of anode system itself so that the steel construction of electric precipitator will consider heat exchange anode system
This increased fractional load.
Electric precipitator above-mentioned with heat exchange function, the section of the anode plate are waveform, adjacent on the anode plate
The heat exchanger tube of arrangement is set to the wave crest medial surface of anode plate.In order to increase the rigidity of anode plate and the surface area of anode plate, together
When also for the anti-reentrainment of dust that has the function of to keep out the wind for making anode plate, anode plate section uses waveform, special production line rolling
It forms.
Electric precipitator above-mentioned with heat exchange function, the water pump is two, including water pump one and water pump two, the water
Pump one is connected in parallel with water pump two, and work is the using and the reserved, ensures the continual and steady operation of system.
The material of electric precipitator above-mentioned with heat exchange function, the heat exchange anode system is 09CrCuSb.The steel grade
Enterprise code name be ND steel, be a kind of resistance to sulfuric acid low-temperature dew point corrosion steel, for resist sulfur-containing smoke gas condense spot corrosion.In order to
It prevents from corroding, for the material of the heat exchange anode system with cooled flue gas function all using ND steel, entire anode plate is heat exchange member
The surface area of part, anode plate is heat exchange area, and heat exchange anode system can be adapted for top rapping and side arm sinker deashing.By
It is the cold operation near acid dew point in electric precipitator, the electric duster ash bucket siding and manhole door periphery being easily corroded also are adopted
With ND steel.
Electric precipitator above-mentioned with heat exchange function is equipped with five groups of electric fields in the electric precipitator ontology from front to back,
Heat exchange anode system is equipped in preceding two groups of electric fields.Currently, it is proposed minimum discharge in industries such as electric power, steel, building materials, one
As require electric precipitator outlet dust content be less than 20-30mg/Nm3.Under the conditions of this, general electric precipitator needs five electricity
, large-scale electric precipitation is dual chamber, and according to smoke temperature condition, if flue-gas temperature is reduced by 25 DEG C -30 DEG C, flue-gas temperature drops to not low
In 100 DEG C, on acid dew point, two electric fields of front use the heat exchange anode system with heat exchange function can.
Electric precipitator above-mentioned with heat exchange function, the anode arranged plate include eight anode plates, the every anode
Three heat exchanger tubes are equipped on plate vertically；The bottom frame is set a roof beam in place, top frame is set a roof beam in place, the heat transferring medium in heat exchanger tube is water.
The width of electric precipitator above-mentioned with heat exchange function, the every anode plate is 490mm, and be near the mark width
Degree, thickness 1.5mm；The heat exchanger tube is seamless steel pipe, and size is φ 32mm × 3mm.
Compared with prior art, the invention has the beneficial effects that：
1, Retrofit on electrostatic precipitator is had concurrently the function of heat exchanger by the present invention, and dedusting technology and heat transfer technology are combined into one,
So that electric precipitator is had the function of that heat exchanger, electric precipitator are both energy-saving equipment and emission abatement device, low temperature can be substituted completely
Heat exchanger exchanges considerable income for lower input, while improving the dust removal performance of electric precipitator, for the section of cleaner
Energy emission reduction, tool have very important significance, it may have good market prospects；
2, technology of the present invention is applied to the dedusting of industries heat smoke and the heat transmission equipments such as electric power, steel, building materials, chemical industry
On, for dry, plate, horizontal type structure, the anode plate of front electric field can be used as the dust collector pole of electric precipitator, while also can be used as cigarette
The heat exchange element of gas；
3, the present invention reduces flue-gas temperature, reduces flue gas flow, increases the specific dust collection area of electric precipitator, reduces
Field gas velocity, makes a degree of raising of efficiency of dust collection；Flue-gas temperature, which reduces, can reduce the operating mode specific resistance of dust, can be with
Inhibit the generation of high resistivity dust inverse corona；Flue-gas temperature reduces the evaporated quantity of water for reducing wet desulphurization below, saves de-
Sulphur process water；
4, the heat of heat transferring medium recycling enters residual heat using device recycling, can save energy or reduce coal consumption.
Description of the drawings
Fig. 1 is the work flow diagram of the present invention；
Fig. 2 is the structural schematic diagram of middle-jiao yang, function of the spleen and stomach pole plate row of the present invention；
Fig. 3 is the structural schematic diagram of middle-jiao yang, function of the spleen and stomach pole plate of the present invention；
Fig. 4 is the A-A direction views in Fig. 3；
Fig. 5 is the B-B direction view in Fig. 3.
The meaning of reference numeral：1- electric precipitator ontologies, 2- electric fields, 3- heat exchange anode systems, 4- bottom frames are set a roof beam in place, 5- water
Pump, 6- top frames are set a roof beam in place, 8- residual heat using devices, 9- water pumps one, 10- water pumps two, 11- anode arranged plates, 12- anode plates, and 13- is changed
Heat pipe.
The present invention is further illustrated with reference to the accompanying drawings and detailed description.
Specific implementation mode
The embodiment of the present invention 1：As Figure 1-Figure 5, a kind of electric precipitator with heat exchange function includes electric precipitator
Ontology 1, the electric precipitator ontology 1 is interior to be equipped with five groups of electric fields 2 from front to back along flue gas flow direction, and the effective length of electric field 2 is about
4m.The invention also includes heat exchange anode system 3, residual heat using device 8 and water pump 5, heat exchange is equipped in preceding two groups of electric fields 2
The bottom of anode system 3, the heat exchange anode system 3 is connected with the outlet of water pump 5, the top of the heat exchange anode system 3 by the road
Portion is connected with 8 one end of residual heat using device by the road, the other end of the residual heat using device 8 be connected with by the road water pump 5 into
Mouthful, heat transferring medium is equipped in the heat exchange anode system 3.
Further, the heat exchange anode system 3 includes multiple rows of anode arranged plate 11 being connected in parallel.The anode arranged plate 11
It sets a roof beam in place 6, eight anode plates 12 and heat exchanger tube 13 including bottom frame 4, top frame of setting a roof beam in place, wherein bottom frame is set a roof beam in place 4 and top frame
6 horizontal parallel of beam arranges, the bottom frame set a roof beam in place 4 and top frame set a roof beam in place and be equipped with eight anode plates 12 between 6 vertically, it is every described
Three heat exchanger tubes 13 are equipped on anode plate 12 vertically.Anode plate 12 is with upper and lower beam Assembling and welding is tightly (using factory
Continuous welding) become anode arranged plate 11.The present invention starts with from the anode system structure of modification of traditional electric precipitator, in anode plate 12
On add heat exchanger tube 13, the heat transferring medium flowed is equipped in heat exchanger tube 13.The bottom frame set a roof beam in place 4 be low temperature supplying jellyfish
Pipe, the top frame set a roof beam in place 6 be high warm water discharge main pipe, one end of the heat exchanger tube 13 is connected to low temperature water main pipe, described
The other end of heat exchanger tube 13 is connected to high warm water discharge main pipe, and the low temperature water main pipe is also connected with water pump 5, the height by the road
Warm water discharge main pipe is also connected with residual heat using device 8 by the road.The bottom frame 4, top frame of setting a roof beam in place is set a roof beam in place in 6, heat exchanger tube 13
It is equipped with heat transferring medium, heat transferring medium can recycle.Anode arranged plate 11 is used as heat exchange element, each electric field 2 to have multiple rows of sun
Pole plate row 11, anode arranged plate 11 is in parallel, and often arranging anode arranged plate 11, there are one low temperature water main pipe (bottom frame set a roof beam in place 4) and a height
Warm water discharge main pipe (top frame set a roof beam in place 6), using bottom in and top out ability of swimming.Low-temperature heat exchange medium is sent to electric precipitation by the pressurization of water pump 5
Utensil has the front electric field 2 of heat exchange function, and by cooling high-temperature fume, smoke temperature reduces by 25 DEG C -30 DEG C, and heat exchange medium temperature increases 45
DEG C -50 DEG C, flue gas is in front electric field not only dedusting but also cools down, and then proceedes to the posteriorly flowing of electric field 2 and is cleaned, the high temperature after heat exchange
Electric precipitator is discharged to residual heat using device 8 (Secondary Air etc. that can be used for heat supply heating or heating boiler) in heat transferring medium, changes
Thermal medium becomes low-temperature heat exchange medium after residual heat using device 8, can be sent again to heat exchange anode system 3, heat exchange through water pump 5
Medium can be recycled.Improvement cost of the present invention is relatively low, is transformed on the basis of existing electrostatic precipitator structure, electric precipitator
Global design it is unaffected, including the structure type of electric precipitator, electric field flow velocity, dust-collecting area, homopolarity spacing etc. are according to normal
Rule design, only because of the increase of the weight and heat transferring medium weight of heat exchange anode system 3 itself so that the steel construction of electric precipitator
Consider this increased fractional load of heat exchange anode system 3.
Further, the section of the anode plate 12 is waveform, and the heat exchanger tube 13 being adjacently positioned on the anode plate 12 is equal
Set on the wave crest medial surface of anode plate 12.In order to increase anode plate 12 rigidity and anode plate 12 surface area, while be also be
Make the anti-reentrainment of dust that has the function of to keep out the wind of anode plate 12, anode plate 12 section that waveform, special production line be used to roll.
Embodiment 2：As shown in Figure 1-Figure 3, a kind of electric precipitator with heat exchange function includes electric precipitator ontology 1, institute
It states in electric precipitator ontology 1 and is equipped with five groups of electric fields 2, the effective length about 4m of electric field 2 from front to back along flue gas flow direction.The present invention
Further include heat exchange anode system 3, residual heat using device 8 and water pump 5, heat exchange anode system 3 be equipped in every group of electric field 2,
The bottom of the heat exchange anode system 3 is connected with the outlet of water pump 5 by the road, and the top of the heat exchange anode system 3 connects by the road
It is connected to 8 one end of residual heat using device, the other end of the residual heat using device 8 is connected with 5 import of water pump, the heat exchange by the road
Heat transferring medium is equipped in anode system 3.The water pump 5 is two, including water pump 1 and water pump 2 10, the water pump 1 and water
It pumps 2 10 to be connected in parallel, work is the using and the reserved, ensures the continual and steady operation of system.
Embodiment 3：As shown in Figure 1-Figure 3, a kind of electric precipitator with heat exchange function includes electric precipitator ontology 1, institute
It states in electric precipitator ontology 1 and is equipped with five groups of electric fields 2, the effective length about 4m of electric field 2 from front to back along flue gas flow direction.The present invention
Further include heat exchange anode system 3, residual heat using device 8 and water pump 5, heat exchange anode system 3 be equipped in every group of electric field 2,
The bottom of the heat exchange anode system 3 is connected with the outlet of water pump 5 by the road, and the top of the heat exchange anode system 3 connects by the road
It is connected to 8 one end of residual heat using device, the other end of the residual heat using device 8 is connected with 5 import of water pump, the heat exchange by the road
Heat transferring medium is equipped in anode system 3.Specifically, the material of the heat exchange anode system 3 is 09CrCuSb.The enterprise of the steel grade
Code name is ND steel, is a kind of resistance to sulfuric acid low-temperature dew point corrosion steel, for resisting sulfur-containing smoke gas moisture condensation spot corrosion.It is rotten in order to prevent
Erosion, for the material of the heat exchange anode system 3 with cooled flue gas function all using ND steel, entire anode plate 12 is heat exchange element,
The surface area of anode plate 12 is heat exchange area, and heat exchange anode system 3 can be adapted for top rapping and side arm sinker deashing.By
It is the cold operation near acid dew point in electric precipitator, the electric duster ash bucket siding and manhole door periphery being easily corroded also are adopted
With ND steel.
Embodiment 4：As shown in Figure 1-Figure 3, a kind of electric precipitator with heat exchange function includes electric precipitator ontology 1, institute
It states in electric precipitator ontology 1 and is equipped with five groups of electric fields 2, the effective length about 4m of electric field 2 from front to back along flue gas flow direction.The present invention
Further include heat exchange anode system 3, residual heat using device 8 and water pump 5, heat exchange anode system 3 be equipped in every group of electric field 2,
The bottom of the heat exchange anode system 3 is connected with the outlet of water pump 5 by the road, and the top of the heat exchange anode system 3 connects by the road
It is connected to 8 one end of residual heat using device, the other end of the residual heat using device 8 is connected with 5 import of water pump, the heat exchange by the road
Heat transferring medium is equipped in anode system 3.Heat exchange anode system 3 is equipped in preceding two groups of electric fields 2.Currently, electric power, steel,
The industries such as building materials are proposed minimum discharge, and the outlet dust content of electric precipitator is generally required to be less than 20-30mg/Nm3.This item
Under part, general electric precipitator needs five electric fields 2, and large-scale electric precipitation is dual chamber, according to smoke temperature condition, if flue-gas temperature dropped
Low 25 DEG C -30 DEG C, flue-gas temperature is dropped to not less than 100 DEG C, and on acid dew point, two electric fields 2 of front are using with heat exchange
The heat exchange anode system 3 of function can.
Embodiment 5：As shown in Figure 1-Figure 3, a kind of electric precipitator with heat exchange function includes electric precipitator ontology 1, institute
It states in electric precipitator ontology 1 and is equipped with five groups of electric fields 2, the effective length about 4m of electric field 2 from front to back along flue gas flow direction.The present invention
Further include heat exchange anode system 3, residual heat using device 8 and water pump 5, heat exchange anode system 3 be equipped in every group of electric field 2,
The bottom of the heat exchange anode system 3 is connected with the outlet of water pump 5 by the road, and the top of the heat exchange anode system 3 connects by the road
It is connected to 8 one end of residual heat using device, the other end of the residual heat using device 8 is connected with 5 import of water pump, the heat exchange by the road
Heat transferring medium is equipped in anode system 3.
The heat exchange anode system 3 includes multiple rows of anode arranged plate 11 being connected in parallel.The anode arranged plate 11 includes bottom
Vierendeel girder 4, top frame are set a roof beam in place 6, anode plate 12 and heat exchanger tube 13, and wherein bottom frame is set a roof beam in place 4 sets a roof beam in place 6 horizontal parallel cloth with top frame
Set, the bottom frame set a roof beam in place 4 and top frame set a roof beam in place and be equipped with eight anode plates 12 between 6 vertically, on the every anode plate 12
It is equipped with three heat exchanger tubes 13 vertically.Anode plate 12 and upper and lower beam Assembling and weld and (continuously welded using factory) tightly, at
For anode arranged plate 11.The present invention starts with from the anode system structure of modification of traditional electric precipitator, and heat exchange is added on anode plate 12
Pipe 13 is equipped with the heat transferring medium flowed in heat exchanger tube 13.The bottom frame set a roof beam in place 4 be low temperature water main pipe, the top
Vierendeel girder 6 is high warm water discharge main pipe, and one end of the heat exchanger tube 13 is connected to low temperature water main pipe, the heat exchanger tube 13 it is another
One end is connected to high warm water discharge main pipe, and the low temperature water main pipe is also connected with water pump 5 by the road, and the high warm water discharge main pipe is also
It is connected with residual heat using device 8 by the road.The bottom frame 4, top frame of setting a roof beam in place sets a roof beam in place and is equipped with heat exchange in 6, heat exchanger tube 13 and is situated between
Matter.Anode arranged plate 11 is used as heat exchange element, each electric field 2 to have multiple rows of anode arranged plate 11, and anode arranged plate 11 is in parallel, often arranges anode plate
There are one low temperature water main pipe (bottom frame set a roof beam in place 4) and one high warm water discharge main pipe (top frames set a roof beam in place 6) by row 11, into upper under
Water-outlet type.Low-temperature heat exchange medium is sent to electric precipitator by the pressurization of water pump 5 has the front electric field 2 of heat exchange function, by high temperature cigarette
Gas cools down, and smoke temperature reduces by 25 DEG C -30 DEG C, and heat exchange medium temperature increases 45 DEG C -50 DEG C, and flue gas is in front electric field not only dedusting but also drops
Temperature then proceedes to the posteriorly flowing of electric field 2 and is cleaned, and the high temperature heat transferring medium after heat exchange is discharged electric precipitator and is filled to UTILIZATION OF VESIDUAL HEAT IN
8 (Secondary Airs etc. that can be used for heat supply heating or heating boiler) are set, heat transferring medium becomes low temperature after residual heat using device 8
Heat transferring medium can be sent through water pump 5 to heat exchange anode system 3 again, and heat transferring medium can be recycled.Improvement cost of the present invention compared with
It is low, it is transformed on the basis of existing electrostatic precipitator structure, the global design of electric precipitator is unaffected, including electric precipitator
Structure type, electric field flow velocity, dust-collecting area, homopolarity spacing etc. according to conventional design, only because of heat exchange anode system 3 itself
The increase of weight and heat transferring medium weight so that the steel construction of electric precipitator will consider this increased part of heat exchange anode system 3
Load.Set a roof beam in place heat transferring medium that 4, top frame is set a roof beam in place in 6, heat exchanger tube 13 of the bottom frame is water.The every anode plate 12
Width is 490mm, and be near the mark width, thickness 1.5mm；The heat exchanger tube 13 be seamless steel pipe, size be φ 32mm ×
3mm。
The course of work of the present invention：The present invention uses high-pressure electrostatic precipitation principle and heat exchange principle, dust-laden heat smoke logical
It crosses the electric precipitator entrance with heat exchange function to enter inside electric precipitator, in front, 2 flue gas of electric field cools down, large dust particle quilt
Removing, purifies flue gas after cooling and continues flow through rear portion electric field 2, after further being removed again compared with fine dust, reach certain requirement
Dust content flue gas from tail portion export be discharged.The dust being adsorbed on the two poles of the earth falls into electric precipitator lower part by vibration dust-cleaning
Ash bucket is discharged by ash-transmission system.Heat smoke partial heat is absorbed by heat transferring medium water, is reached residual heat using device 8 and is utilized.
Claims (9)
1. a kind of electric precipitator with heat exchange function, including electric precipitator ontology (1), the interior edge of the electric precipitator ontology (1)
It flue gas flow direction and is equipped with several groups electric field (2), which is characterized in that further include heat exchange anode system (3), residual heat using device (8)
With water pump (5), every group of electric field (2) is interior to be equipped with heat exchange anode system (3), the bottom warp of the heat exchange anode system (3)
Piping connection has water pump (5) outlet, and the top of the heat exchange anode system (3) is connected with residual heat using device (8) one by the road
The other end at end, the residual heat using device (8) is connected with water pump (5) import by the road, is set in the heat exchange anode system (3)
There is heat transferring medium.
2. the electric precipitator according to claim 1 with heat exchange function, which is characterized in that the heat exchange anode system
(3) include multiple rows of anode arranged plate (11) being connected in parallel.
3. the electric precipitator according to claim 2 with heat exchange function, which is characterized in that anode arranged plate (11) packet
Include bottom frame set a roof beam in place (4), top frame set a roof beam in place (6) if, dry plate anode plate (12) and heat exchanger tube (13), wherein bottom frame set a roof beam in place (4)
It sets a roof beam in place (6) horizontal parallel arrangement with top frame, vertically equipped with several between the bottom frame is set a roof beam in place (4) and top frame is set a roof beam in place (6)
Piece anode plate (12) is equipped with several heat exchanger tubes (13) on the every anode plate (12) vertically；
One end of the heat exchanger tube (13) set a roof beam in place with bottom frame (4) be connected to, the other end and top frame of the heat exchanger tube (13)
Beam (6) is connected to, the bottom frame set a roof beam in place (4) be also connected with water pump (5) by the road, the top frame set a roof beam in place (6) also connect by the road
It is connected to residual heat using device (8)；
The bottom frame is set a roof beam in place (4), top frame is set a roof beam in place (6), is equipped with heat transferring medium in heat exchanger tube (13).
4. the electric precipitator according to claim 3 with heat exchange function, which is characterized in that the anode plate (12) is broken
Face is waveform, and the heat exchanger tube (13) being adjacently positioned on the anode plate (12) is set to the wave crest medial surface of anode plate (12).
5. the electric precipitator according to claim 1 with heat exchange function, which is characterized in that the water pump (5) is two,
Including water pump one (9) and water pump two (10), the water pump one (9) is connected in parallel with water pump two (10).
6. the electric precipitator according to claim 1 with heat exchange function, which is characterized in that the heat exchange anode system
(3) material is 09CrCuSb.
7. the electric precipitator according to claim 1 with heat exchange function, which is characterized in that the electric precipitator ontology
(1) five groups of electric fields (2) are equipped in from front to back, heat exchange anode system (3) is equipped in preceding two groups of electric fields (2).
8. the electric precipitator according to claim 3 with heat exchange function, which is characterized in that anode arranged plate (11) packet
Eight anode plates (12) are included, three heat exchanger tubes (13) are equipped with vertically on the every anode plate (12)；The bottom frame is set a roof beam in place
(4), top frame is set a roof beam in place (6), the heat transferring medium in heat exchanger tube (13) is water.
9. the electric precipitator according to claim 8 with heat exchange function, which is characterized in that the every anode plate (12)
Width be 490mm, thickness 1.5mm；The heat exchanger tube (13) is seamless steel pipe, and size is φ 32mm × 3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810727585.5A CN108787168A (en) | 2018-07-05 | 2018-07-05 | A kind of electric precipitator with heat exchange function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810727585.5A CN108787168A (en) | 2018-07-05 | 2018-07-05 | A kind of electric precipitator with heat exchange function |
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| Publication Number | Publication Date |
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| CN108787168A true CN108787168A (en) | 2018-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110354993A (en) * | 2019-07-21 | 2019-10-22 | 天津大学 | A kind of residual-heat used type electric dust separator |
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|---|---|---|---|---|
| CN103406200A (en) * | 2013-08-21 | 2013-11-27 | 山东大学 | Electrostatic dust collector with built-in heat exchange anode |
| CN205868539U (en) * | 2016-06-12 | 2017-01-11 | 江西百通能源股份有限公司 | A boiler flue gas electricity dust collector for recovery boiler flue gas waste heat |
| CN108224462A (en) * | 2018-03-02 | 2018-06-29 | 南京圣诺热管有限公司 | It is a kind of to eliminate white misty rain joint flue gas waste heat recovery system |
| CN208098379U (en) * | 2018-07-05 | 2018-11-16 | 中国华电科工集团有限公司 | A kind of electric precipitator with heat exchange function |
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2018
- 2018-07-05 CN CN201810727585.5A patent/CN108787168A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103406200A (en) * | 2013-08-21 | 2013-11-27 | 山东大学 | Electrostatic dust collector with built-in heat exchange anode |
| CN205868539U (en) * | 2016-06-12 | 2017-01-11 | 江西百通能源股份有限公司 | A boiler flue gas electricity dust collector for recovery boiler flue gas waste heat |
| CN108224462A (en) * | 2018-03-02 | 2018-06-29 | 南京圣诺热管有限公司 | It is a kind of to eliminate white misty rain joint flue gas waste heat recovery system |
| CN208098379U (en) * | 2018-07-05 | 2018-11-16 | 中国华电科工集团有限公司 | A kind of electric precipitator with heat exchange function |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110354993A (en) * | 2019-07-21 | 2019-10-22 | 天津大学 | A kind of residual-heat used type electric dust separator |
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