A kind of high-efficient wet-type electrostatic precipitator
Technical field
The present invention relates to a kind of high-efficient wet-type electrostatic precipitator, belong to field of environment protection equipment.
Background technology
In large-scale industrial production work, certain workplaces (such as thermal power plant) will produce many dust, these
Dust needs just be discharged into the external world after handling by purifying and dedusting treater before discharge, and no it will cause environment
Pollution.Electric precipitator type is various, whether uses liquid dust removing and deashing according in dust removal process, electric precipitator is divided into dry
Formula electrostatic precipitator and wet cottrell.Wet cottrell is minimum discharge engineering in recent years, especially coal-fired
Using than wide on unit.Wet cottrell belongs to emerging environmental protection equipment.But existing wet scrubber is deposited
In some problems.
Such as the Chinese patent that notification number is CN204564337U discloses a kind of new and effective wet type electrostatic precipitation, demisting
Device, including:Upper shell, middle casing, lower housing, cathode line and anode tube, the anode tube are fixed on inside middle casing, described the moon
Polar curve is fixed on the center of anode tube, the external high voltage direct current of cathode line, and insulated case is provided on the upper shell, described
High voltage direct current introduces cathode line by insulated case, is provided with exhaust gas inlet on the lower housing, gas is provided on upper shell
Outlet.It has problems in that the waste heat supply temperature of exhaust gas inlet cannot utilize, treated gas as gas vent is discharged,
Many flue gases still carry white cigarette, cause visual pollution, also need heating to be eliminated, thus cause the wasting of resources.And
Patent middle-jiao yang, function of the spleen and stomach pole pipe dense arrangement in shell wastes area, is unfavorable for flue gas circulation, and in each independent anode tube
Also it is easy dust stratification.
Invention content
In order to solve the above technical problem, the present invention provides a kind of high-efficient wet-type electrostatic precipitator, the high-efficient wet-type electrostatic
Deduster can more preferably utilize residual heat resources, and fume treatment effect is more preferable, energy conservation and environmental protection.
Technical scheme is as follows:
A kind of high-efficient wet-type electrostatic precipitator, including shell, spraying mechanism, gas treatment means and UTILIZATION OF VESIDUAL HEAT IN mechanism;One into
Tracheae is connected to lower part of the housing side wall, and an escape pipe is connected to case top;Gas treatment means include insulator, are arranged in shell
High frequency pulse power supply and the vertical anode tube for being fixed in shell and being mutually arranged with one heart at the top of body and cathode round frame, cathode
Round frame is located in anode tube, and cathode round frame is electrically connected with high frequency pulse power supply, anode tube ground connection;Insulator is arranged in cathode round frame
With the junction of high frequency pulse power supply;Spraying mechanism includes the sedimentation basin being connected to housing bottom and at least one under anode tube
First spray head of Fang Chaoxiang housing bottoms injection, the first spray head are connected to external water source;UTILIZATION OF VESIDUAL HEAT IN mechanism include water tank,
The first heat exchanger tube being set in air inlet pipe and the second heat exchanger tube being set in escape pipe;Distinguish at the both ends of first heat exchanger tube
It is connected to by pipeline with water tank and second heat exchanger tube one end, second is provided on the pipeline that the first heat exchanger tube is connected to water tank
The other end of water pump, the second heat exchanger tube is connected to water tank pipeline.
Wherein, the anode tube is provided with several, and cathode round frame is provided with several, and the bore of several anode tubes is gradual
Reduce and be arranged with one heart, several cathode round frame bores are gradually reduced, and equal concentric locking collar is equipped with cathode between every two adjacent anode tubes
The anode tube of round frame, outmost turns is also arranged with cathode round frame outside, and inner walls are identical as anode tube material.
Wherein, first heat exchanger tube and the second heat exchanger tube are wave-fin pipe.
Wherein, the enclosure interior is located at anode tube lower horizontal and is fixed with airflow uniform distribution plate, on airflow uniform distribution plate uniformly
Intensive to be provided with air hole, airflow uniform distribution plate is located at the top of the first spray head.
Wherein, the spraying mechanism further includes at least one second spray head, and the second spray head is connected to external water source;It is described
Second spray head is above anode tube towards anode pipe inspection.
Wherein, the spraying mechanism further include be connected to the first spray head, the second spray head and sedimentation basin connecting tube and
The first water pump being set in connecting tube;It is provided with horizontal positioned filter plate in the sedimentation basin, intensive setting on filter plate
There are filter hole, filter plate that will be divided into accommodating chamber and drainage chamber up and down in sedimentation basin, the lower end of connecting tube is located at drainage intracavitary.
Wherein, the anode tube and cathode round frame upper surface are fixed by a holder.
The present invention has the advantages that:
1, the present invention can more preferably utilize residual heat resources, and fume treatment effect is more preferable, effectively reduce flue dust in flue gas, formaldehyde and
Water mist meets discharging standards, energy conservation and environmental protection.
2, the present invention is provided with UTILIZATION OF VESIDUAL HEAT IN mechanism, can preferably utilize the heat of flue gas, energy conservation and environmental protection.
3, the present invention is provided with gas treatment means, and the pernicious gas and dust contained in flue gas can be effectively treated, green
Color discharges, and is conducive to environmental protection.
4, the present invention is provided with spraying mechanism, can more preferably handle the dust contained in flue gas, the sewage warp in sedimentation basin
After filtering, the water supply as spray assemblies continues cycling through use so that wash spray mechanism can realize recycling for water, real
Show waste water zero emission, the water in water tank is also that can recycle, and is more energy-saving and environmentally friendly.
5, the present invention is provided with airflow uniform distribution plate, plays the role of disperseing flue gas so that flue gas is able to handle more completely.
Description of the drawings
Fig. 1 is the positive internal structure schematic diagram of the present invention;
Fig. 2 is the structural schematic diagram along A-A of Fig. 1 of the present invention;
Fig. 3 is the overlooking structure diagram of the deflector of the present invention;
Fig. 4 is the structural schematic diagram of the cathode round frame of the present invention;
Fig. 5 is the structural schematic diagram of the anode tube of the present invention;
Fig. 6 is the cooperation three-dimensional structure diagram of the anode tube and cathode round frame of the enclosure interior of the present invention.
Reference numeral is expressed as in figure:
1- shells, 2- spraying mechanisms, 21- sedimentation basins, 211- filter plates, 212- accommodating chambers, 213- drainages chamber, 221- first are sprayed
Head, the second spray heads of 222-, 23- connecting tubes, the first water pumps of 24-, 3- gas treatment means, 31- insulators, 32- high-frequency impulses
Power supply, 33- anode tubes, 34- cathodes round frame, 35- holders, 4- UTILIZATION OF VESIDUAL HEAT INs mechanism, 41- water tanks, the first heat exchanger tubes of 42-, 43-
Second heat exchanger tube, the second water pumps of 44-, 5- air inlet pipe, 6- escape pipes, 7- airflow uniform distributions plate, 71- air holes.
Specific implementation mode
It is next in the following with reference to the drawings and specific embodiments that the present invention will be described in detail.
Referring to Fig. 1-6, a kind of high-efficient wet-type electrostatic precipitator, including shell 1, spraying mechanism 2,3 and of gas treatment means
UTILIZATION OF VESIDUAL HEAT IN mechanism 4;One air inlet pipe 5 is connected to 1 lower sides of shell, and an escape pipe 6 is connected to 1 top of shell;Gas treatment
Mechanism 3 is including insulator 31, the high frequency pulse power supply 32 being arranged at the top of shell 1 and is fixed on vertically in shell 1 and mutual
The anode tube 33 and cathode round frame 34 being arranged with one heart, cathode round frame 34 are located in anode tube 33, cathode round frame 34 and high-frequency impulse
Power supply 32 is electrically connected, and anode tube 33 is grounded;Insulator 31 is arranged in the junction of cathode round frame 34 and high frequency pulse power supply 32;If
It is equipped with insulator 31 and the ground connection of anode tube 33 plays the role of protection, spraying mechanism 2 includes sinking of be connected to 1 bottom of shell
Shallow lake pond 21 and it is at least one from anode tube 33 underneath towards the first spray head 221 of 1 base injcction of shell, the first spray head 221
It is connected to external water source;UTILIZATION OF VESIDUAL HEAT IN mechanism 4 includes water tank 41, the first heat exchanger tube 42 being set in air inlet pipe 5 and setting
In the second heat exchanger tube 43 in escape pipe 6;The both ends of first heat exchanger tube 42 respectively with 43 one end of water tank 41 and the second heat exchanger tube
It is connected to by pipeline, the second water pump 44, the second heat exchanger tube 43 is provided on the pipeline that the first heat exchanger tube 42 is connected to water tank 41
The other end be connected to 41 pipeline of water tank.First heat exchanger tube, 42 cold water goes out into hot water, and 43 hot water of the second heat exchanger tube goes out into cold water.
Referring to Fig. 2-6, the anode tube 33 is provided with several, and cathode round frame 34 is provided with several, several anode tubes
33 bore is gradually reduced and is arranged with one heart, and several 34 bores of cathode round frame are gradually reduced, between every two adjacent anode tubes 33
Equal concentric locking collar is equipped with cathode round frame 34, and cathode round frame 34,1 inner wall of shell and anode tube are also arranged with outside the anode tube 33 of outmost turns
33 materials are identical, therefore shell 1 can be used as the anode tube of outmost turns.Anode tube 33 and the setting in this way of cathode round frame 34 can more have
Pass through conducive to flue gas, does not waste the area of anode tube 33, and be also not easy dust stratification inside anode tube 33.
Referring to Fig. 1, first heat exchanger tube, 42 and second heat exchanger tube 43 is wave-fin pipe.In order to enable heat exchange effect
More preferably.
Referring to Fig. 1 and Fig. 3, the shell 1 is internally located at 33 lower horizontal of anode tube and is fixed with airflow uniform distribution plate 7, air-flow
Uniformly intensive on uniform board 7 to be provided with air hole 71, airflow uniform distribution plate 7 is located at the top of the first spray head 221.
Referring to Fig. 1, the spraying mechanism 2 further includes at least one second spray head 222, and the second spray head 222 is connected to outer
Portion water source;Second spray head 222 sprays above anode tube 33 towards anode tube 33.
Referring to Fig. 1, the spraying mechanism 2 further includes the first spray head 221 of connection, the second spray head 222 and sedimentation basin 21
Connecting tube 23 and the first water pump 24 for being set in connecting tube 23;Horizontal positioned filtering is provided in the sedimentation basin 21
Plate 211, intensive on filter plate 211 to be provided with filter hole, filter plate 211 will be divided into 212 He of accommodating chamber up and down in sedimentation basin 21
The lower end of drainage chamber 213, connecting tube 23 is located in drainage chamber 213.It is recycled by filtering the water in final settling tanks 21,
It economizes on resources.
Referring to Fig. 2, the anode tube 33 and 34 upper surface of cathode round frame are fixed by a holder 35.
The operation principle of the present invention:
Referring to Fig. 1, flue gas is sent by air inlet pipe 5 inside shell 1, and cold water is passed through in the first heat exchanger tube 42, and heat is carried out with flue gas
After exchange, becomes hot water and lead to the second heat exchanger tube 43, flue gas continues to walk toward inside shell 1 at this time, then 222 work of the first spray head
Make, first flue gas is dusted and is cooled down, sewage flows into sedimentation basin 21;Then flue gas passes through anode tube 33 and cathode round frame 34,
Cathode round frame 34 is connected with high frequency pulse power supply 32, and the high-energy that cathode round frame 34 generates makes the fine solid particle in flue gas and water mist
Charged coalescence condenses into large dust particle and is moved to anode tube 33;Anode tube 33 continues for trapping dust and droplet, flue gas
Towards escape pipe 6, the hot water in the second heat exchanger tube 43 is arranged immediately that will carry out heat temperature raising by the flue gas that escape pipe 6 escapes
It puts, the water to turn cold after the heat exchange in the second heat exchanger tube 43 is flowed back to again in water tank 41, to wait for next recycling.
The airflow uniform distribution plate 7 plays the role of disperseing flue gas so that flue gas is able to handle more completely.
When the second spray head 221 works, flowed in sedimentation basin 21 at sewage after the dust in anode tube 33 being washed away.
Example the above is only the implementation of the present invention is not intended to limit the scope of the invention, every to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.