CN114192282A - Wet-type electric precipitation equipment - Google Patents
Wet-type electric precipitation equipment Download PDFInfo
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- CN114192282A CN114192282A CN202111553332.9A CN202111553332A CN114192282A CN 114192282 A CN114192282 A CN 114192282A CN 202111553332 A CN202111553332 A CN 202111553332A CN 114192282 A CN114192282 A CN 114192282A
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- smoke
- flue gas
- shell
- voltage
- dust removal
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- 238000001556 precipitation Methods 0.000 title claims description 12
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 76
- 239000003546 flue gas Substances 0.000 claims abstract description 76
- 230000007246 mechanism Effects 0.000 claims abstract description 61
- 239000000428 dust Substances 0.000 claims abstract description 52
- 239000007921 spray Substances 0.000 claims abstract description 28
- 239000012717 electrostatic precipitator Substances 0.000 claims abstract description 20
- 239000007789 gas Substances 0.000 claims abstract description 15
- 239000000779 smoke Substances 0.000 claims description 59
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 59
- 238000009827 uniform distribution Methods 0.000 claims description 23
- 238000009826 distribution Methods 0.000 claims description 17
- 238000010438 heat treatment Methods 0.000 claims description 12
- 238000005070 sampling Methods 0.000 claims description 12
- 229910052573 porcelain Inorganic materials 0.000 claims description 10
- 238000005507 spraying Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 241000208125 Nicotiana Species 0.000 abstract description 4
- 235000002637 Nicotiana tabacum Nutrition 0.000 abstract description 4
- 239000003517 fume Substances 0.000 abstract description 2
- 235000019504 cigarettes Nutrition 0.000 description 9
- 230000009286 beneficial effect Effects 0.000 description 6
- 238000005406 washing Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000005684 electric field Effects 0.000 description 4
- 238000000746 purification Methods 0.000 description 4
- 239000012212 insulator Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000571 coke Substances 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000011345 viscous material Substances 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011859 microparticle Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Classifications
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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
- B03C3/16—Plant or installations having external electricity supply wet 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
-
- 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
- B03C3/74—Cleaning the electrodes
- B03C3/78—Cleaning the electrodes by washing
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Abstract
The application provides a wet-type electrostatic precipitator equipment includes: casing, advance tobacco pipe, flue gas equipartition mechanism, dust removal mechanism, spray mechanism and blast pipe, casing ground connection sets up, it is used for being connected with outside fume extractor to advance tobacco pipe wherein one end, it runs through to advance the tobacco pipe other end the bottom lateral wall of casing is equipped with into the mouth for equally divide the inside flue gas of entering casing the flue gas equipartition mechanism sets up inside the casing, just the bottom of flue gas equipartition mechanism is just right advance the mouth setting, dust removal mechanism sets up inside the casing, and be located the top of flue gas equipartition mechanism, it is in to spray the mechanism setting inside the casing, and be used for wasing dust removal mechanism, the gas vent has been seted up at the casing top, gas vent department is equipped with the fan, just the blast pipe with the gas vent intercommunication. This application has effectively reduced the short circuit risk point of insulating vase among the dust removal mechanism, is showing the whole performance that has increased equipment.
Description
Technical Field
The application relates to the technical field of flue gas purification, especially, relate to a wet-type electrostatic precipitator equipment.
Background
The wet-type electric dust remover is a new dust remover for treating micro-dust and micro-particles, is widely applied to the field of flue gas dust removal of industries such as smelting, power plants and the like, and is an ideal device for treating atmospheric dust pollution. The wet electric dust collector is usually called WESP for short, and the basic working principle is that high-voltage corona discharge is used for charging dust, the charged dust reaches an anode tube plate (dust collecting tube plate) under the action of electric field force, and then a regular washing mode is adopted for removing the dust along with the flowing of a scouring liquid.
The wet-type electric dust removal equipment in the prior art also has the following defects: the corona electrode wire adopts both ends fixed, and both ends are connected with corresponding insulating porcelain insulator, and in the insulating porcelain insulator long-time use of bottom, very easily intake and flue gas lead to the insulating porcelain insulator the condition of short circuit to lead to equipment unable operation.
Disclosure of Invention
The application provides a wet-type electrostatic precipitator for solve the problem in the background art.
The application provides wet-type electrostatic precipitator equipment includes: a housing, the housing being grounded;
one end of the smoke inlet pipe is used for being connected with an external smoke exhaust device, and the other end of the smoke inlet pipe penetrates through the side wall of the bottom of the shell and is provided with a smoke inlet;
the smoke uniform distribution mechanism is used for uniformly distributing smoke entering the shell and is arranged in the shell, and the bottom of the smoke uniform distribution mechanism is over against the smoke inlet;
the dust removal mechanism is arranged in the shell and is positioned above the flue gas uniform distribution mechanism;
the spraying mechanism is arranged inside the shell and is used for cleaning the dust removal mechanism;
the exhaust pipe, the gas vent has been seted up at the casing top, gas vent department is equipped with the fan, just the blast pipe with the gas vent intercommunication.
Optionally, the dust removal mechanism includes: a cathode beam;
the two cathode beams are symmetrically arranged between the two inner side walls of the shell at intervals, a bracket is erected between the two cathode beams, a plurality of corona electrode wires are uniformly distributed on the bracket, and the corona electrode wires are electrically connected with an external adjustable high-voltage power supply device through the cathode beams;
one end of each corona wire is connected with an insulating porcelain bottle, the insulating porcelain bottles are installed in an installation box, and the installation box is located on the inner side wall of the top of the shell;
the other end of each corona pole wire penetrates through the anode tube module and is provided with a heavy hammer, and the anode tube is fixedly arranged inside the shell.
Optionally, the flue gas equipartition mechanism includes: clamping a plate;
the two clamping plates are symmetrically arranged on the two inner side walls of the shell, and a smoke uniform distribution network is clamped between the two clamping plates;
the smoke gas uniform distribution net is of a square structure and is hollow inside, the bottom of the smoke gas uniform distribution net is arranged right opposite to the smoke inlet, a plurality of smoke inlet holes are uniformly distributed on two opposite side walls of the smoke gas uniform distribution net, and a plurality of smoke outlet holes are uniformly distributed on the top of the smoke gas uniform distribution net;
and the top of the smoke equal-division net extends to two sides without the smoke inlet holes and is provided with extension plates, and the extension plates are matched with the two clamping plates one by one.
Optionally, one of the flue gas is provided with the side wall of the flue gas inlet hole, and the side wall of the shell is provided with a tar outlet.
Optionally, a fin heating device is further arranged on the inner wall of the top of the placing box.
Optionally, a positioning plate is further disposed inside the housing, a plurality of through holes are uniformly distributed on the positioning plate, and the corona wire penetrates through the through holes one by one.
Optionally, the adjustable high-voltage power supply device includes: a power supply circuit;
the power circuit is electrically connected with the voltage regulator and provides alternating current for the voltage regulator;
the voltage regulator is electrically connected with the inverter and provides stable direct current for the inverter;
the inverter is electrically connected with the step-up transformer and provides high-frequency alternating current for the step-up transformer;
the step-up transformer is electrically connected with the cathode beam through a rectification output circuit and provides high-voltage direct current for the cathode beam.
Optionally, the adjustable high-voltage power supply further includes: a microprocessor;
the microprocessor is in signal connection with the voltage regulator through an overvoltage and overcurrent protection circuit and is used for sampling and judging whether the voltage and the current of the voltage regulator are within a preset value range, and if the voltage and the current of the voltage regulator are higher than the preset value, a control signal is output to the power circuit;
the microprocessor is in signal connection with the inverter through a first overcurrent protection circuit and is used for sampling and judging whether the current of the inverter is within a preset value range, and if the current of the inverter is higher than the preset value, the microprocessor outputs a control signal to the power circuit;
the microprocessor is in signal connection with the boosting transformer through a second protection circuit and is used for sampling and judging whether the current of the boosting transformer is within a preset value range or not, and if the current of the boosting transformer is higher than the preset value, the microprocessor outputs a control signal to the power circuit;
the microprocessor is in signal connection with the rectification output circuit and is used for sampling and judging whether the high-voltage direct-current voltage output by the rectification output circuit is within a preset value range, and if the high-voltage direct-current voltage is higher than the preset value, the microprocessor outputs a control signal to the power circuit.
Optionally, the spraying mechanism includes: a water inlet pipe;
one end of the water inlet pipe is provided with a water inlet which is connected with the water storage and heating tank through a water supply pipe;
the other end of the water inlet pipe extends into the shell and is connected with a plurality of water distribution pipes, one end of each water distribution pipe, which is far away from the water inlet pipe, is provided with a spray head, and the spray heads are uniformly distributed right above the dust removal mechanism;
the bottom is equipped with the header tank in the casing, be equipped with the outlet on the header tank bottom lateral wall, outlet department is equipped with the valve.
Optionally, the number of the spray heads is nine, and the nine spray heads are distributed over the dust removing mechanism in a square array.
Optionally, the spray head is a stainless steel high-pressure spiral spray head.
The wet-type electrostatic precipitator equipment that this application passed through has following advantage:
1. the application provides a wet-type electrostatic precipitator equipment, it is fixed that corona polar line adopts the top segment, the structure of low side suspension, and the low side does not have insulating vase box, makes the bottom inlet portion be in totally airtight cavity, reduces the short circuit risk point of insulating vase, has effectively increased the whole performance of equipment.
2. The application provides a wet-type electrostatic precipitator adopts the structure that the two-stage was equallyd divide, can equally divide twice to the flue gas that gets into the cavity, has effectively ensured that the flue gas that gets into the casing can be even through the anode tube, makes equipment throughput reach the rated value. And, traditional flue gas divides the net to divide always fixed mounting inside the casing for it is very inconvenient to the washing of flue gas divides the net equally, thereby leads to the flue gas to divide equally and to lead to dividing equally the online attached tar and lead to dividing equally the ability variation, and the wet-type electrostatic precipitator equipment that this application provided can be fast convenient dismantle and install the flue gas divides the net equally, effectively reduces staff intensity of labour, and effectively ensured the normal work of device, is showing the life of device simultaneously.
3. The application provides a wet-type electrostatic precipitator equipment through setting up fin heating device in settling the incasement, can be so that settle incasement temperature and be higher than ambient temperature, through the circulation of air, incasement damp moisture integument fan discharge, and then make the long-time operation of insulating vase can not accumulate the water film, effectively reduces the risk of equipment short circuit.
4. The application provides a wet-type electrostatic precipitator device, through the adjustable high voltage power supply unit who sets up, can carry out the regulation setting of voltage according to actual conditions, for providing the best working power supply between corona polar line and the positive pole pipe, and still make discharge more stable, can reduce the energy consumption, can improve the adsorption efficiency of positive pole pipe again, thereby make between corona limit and the positive pole pipe discharge the matching degree of required voltage and the voltage that the power provided more laminate, show the dust collection efficiency of lifting means. And when short circuit occurs between the corona pole wire and the anode tube module or other places of the circuit, the microprocessor can also output a control signal to the power circuit in time to cut off the power supply, so that the safety performance of the device is effectively improved, and the service cycle of the device is obviously prolonged.
5. The application provides a wet-type electrostatic precipitator has optimized the form of shower nozzle and the arrangement of shower nozzle and the ratio of water pressure flow, has realized carrying out the washing at full coverage no dead angle to the positive pole pipe module, effectively reduces the residual phenomenon of tar appears on the positive pole pipe to show lifting means's life cycle.
Additional features and advantages of the application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the application. The objectives and other advantages of the application may be realized and attained by the structure particularly pointed out in the written description and drawings.
The technical solution of the present application is further described in detail by the accompanying drawings and examples.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a wet-type electric dust removal device in an embodiment of the present application;
fig. 2 is a schematic side view of a wet-type electric dust removal device in an embodiment of the present application;
FIG. 3 is an enlarged schematic view of the structure at A of FIG. 2 provided herein;
fig. 4 is a schematic diagram of a flue gas equipartition net structure of a wet-type electric precipitation device in the embodiment of the present application;
fig. 5 is a schematic diagram of a flue gas flow direction structure of a flue gas uniform distribution net of the wet electric precipitation equipment in the embodiment of the present application;
FIG. 6 is a schematic structural view of a dust removing mechanism of a wet electric dust removing device in an embodiment of the present application;
fig. 7 is a schematic structural view of a fin heating device of a wet electric precipitation apparatus in an embodiment of the present application;
fig. 8 is a block diagram illustrating a process of implementing high voltage and control for a wet electric dust removal device according to an embodiment of the present disclosure.
In the figure, 1-shell, 2-smoke inlet pipe, 3-smoke inlet, 4-smoke even distribution mechanism, 41-smoke even distribution net, 42-smoke inlet hole, 43-smoke outlet hole, 44-extension plate, 45-handle, 46-tar outlet hole, 47-clamping plate, 5-spraying mechanism, 51-water storage heating box, 52-water supply pipe, 53-water inlet pipe, 54-water inlet hole, 55-water distribution pipe, 56-spray head, 57-water collection box, 58-water outlet hole, 59-valve, 6-dust removal mechanism, 61-heavy hammer, 62-cathode beam, 63-bracket, 64-corona polar pipe, 65-anode pipe module, 66-insulating porcelain bottle, 67-installation box, 68-through hole, 69-positioning plate, 7-fin heating device, 8-exhaust port, 9-exhaust pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application are clearly and completely described below, and it is obvious that the described embodiments are a part of the embodiments of the present application, but not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
According to fig. 1 to 7, an embodiment of the present application provides a wet-type electric dust removal apparatus, including: the flue gas purification device comprises a shell 1, a flue gas inlet pipe 2, a flue gas uniform distribution mechanism 4, a dust removal mechanism 6, a spraying mechanism 5 and an exhaust pipe 9. The housing 1 is arranged to be grounded. One end of the smoke inlet pipe 2 is used for being connected with an external smoke exhaust device, and the other end of the smoke inlet pipe 2 penetrates through the side wall of the bottom of the shell 1 and is provided with a smoke inlet 3. The smoke equal-distribution mechanism 4 is used for equally distributing smoke entering the shell 1, the smoke equal-distribution mechanism 4 is arranged inside the shell 1, and the bottom of the smoke equal-distribution mechanism 4 is opposite to the smoke inlet 3. The dust removal mechanism 6 is arranged inside the shell 1 and is positioned above the smoke uniform distribution mechanism 4. The spraying mechanism 5 is disposed inside the housing 1 and is used for cleaning the anode tube module 65. An exhaust port 8 is formed in the top of the shell 1, a fan is arranged at the exhaust port 8, and the exhaust pipe 9 is communicated with the exhaust port 8. The dust removal mechanism 6 includes: the cathode beams 62 are symmetrically arranged between two inner side walls of the shell 1 at intervals, a bracket 63 is erected between the two cathode beams 62, a plurality of corona electrode wires 64 are uniformly distributed on the bracket 63, and the corona electrode wires 64 are electrically connected with an external adjustable high-voltage power supply device through the cathode beams 62; one end of each corona wire 64 is connected with an insulating porcelain bottle 66, the insulating porcelain bottles 66 are installed in an installation box 67, and the installation box 67 is located on the inner side wall of the top of the shell 1; the other end of each corona wire 64 penetrates through an anode tube module 65 and is provided with a weight 61, and the anode tube module 65 is fixedly arranged inside the housing 1.
The working principle and the beneficial effects of the technical scheme are as follows: casing 1 is used for bearing and protecting internal installation, the setting of 1 ground connection of casing can effectively reduce the phenomenon emergence that the human body electrocuted, is showing the security that promotes the device. The flue gas is divided equally mechanism 4 is used for dividing the flue gas equally to ensure that the flue gas entering the shell can evenly pass through the anode tube module 65, so that the processing capacity of the equipment reaches the rated value. Dust removal mechanism 6 is used for carrying out electrostatic precipitator to the flue gas, and external adjustable high voltage power supply unit provides high pressure for corona polar line 64 through negative pole crossbeam 62 for form the electric field between corona polar line 64 and anode tube module 65, the dust after the electric charge is adsorbed on the pipe wall of anode tube module 65 under the effect of electric field force, realizes gas cleaning. The spraying mechanism 5 is used for cleaning the anode tube module 65 of the dust removing mechanism 6. The method specifically comprises the following steps: will advance tobacco pipe 2 and the outside fume extractor intercommunication that needs purified flue gas, the flue gas gets into through advancing cigarette mouth 3, then divide equally the mechanism 4 through the flue gas and divide equally the flue gas, when the flue gas after dividing equally flows through dust removal mechanism 6, dust and particulate matter are carried out the electric absorption by dust removal mechanism 6's positive pole pipe module 65, the flue gas after the purification is discharged from blast pipe 9 by the fan of 8 departments of gas vent, finally, utilize and spray mechanism 5 and will adsorb dust and particulate matter on positive pole pipe module 65 and wash the discharge, realized the high-efficient purification to the flue gas promptly.
Adopt both ends all to carry out fixed mounting's wet-type electrostatic precipitator with traditional corona polar line 64 through insulating vase 66 box and compare, the wet-type electrostatic precipitator that this application provided, with the insulating vase 66 cancellation of low side, it is fixed to improve into the top, and the structure that weight 61 suspended is adopted to the bottom, makes the bottom part of admitting air be in totally enclosed cavity, has effectively reduced insulating vase 66's short circuit risk point, is showing the whole performance that has increased equipment.
According to the illustrations of fig. 1-7, in one embodiment of the present application, the flue gas averaging mechanism 4 comprises: the two clamping plates 47 are symmetrically arranged on the two inner side walls of the shell 1, and the smoke equal-distribution network 41 is clamped between the two clamping plates 47. The flue gas is divided net 41 and is the square body structure and inside cavity, flue gas is divided net 41 bottom just to advance the setting of cigarette mouth 3, flue gas is divided net 41 wherein evenly distributed has a plurality of cigarette holes 42 of advancing on two relative lateral walls, flue gas is divided net 41 top evenly distributed and is had a plurality of cigarette holes 43. And the top of the smoke equal-distribution net 41 extends to the two sides without the smoke inlet 42 and is provided with extension plates 44, and the two extension plates 44 are matched with the two clamping plates 47 one by one.
The working principle and the beneficial effects of the technical scheme are as follows: the flue gas is divided equally mechanism 4 is used for equally dividing the flue gas to the flue gas that the guarantee got into the casing can be even through positive pole pipe module 65, make equipment throughput reach the rated value. The method specifically comprises the following steps: the flue gas gets into from advancing cigarette mouth 3, just to advancing cigarette mouth 3's flue gas equipartition net 41 bottom not opening the cigarette hole to lead to the flue gas can only flow to the both sides of flue gas equipartition net 41 and get into inside the cavity of flue gas equipartition net 41 from the cigarette hole 42 that advances of both sides, realize equalling divide equally once of flue gas, the flue gas of flue gas equipartition net 41 cavity inside is discharging from the cigarette hole 43 at top after that, realizes equalling divide equally the secondary of flue gas, and the flue gas flow direction is promptly: → phi, as shown in figure 5. In fig. 5, the direction of (i) is a direction facing the smoke inlet 3.
Further, a handle 45 is arranged on one side wall of the smoke uniform distribution net 41, which is provided with the smoke inlet 42, and a tar outlet 46 is arranged on the side wall of the shell 1. Through the cooperation setting of extension board 44 and cardboard 47, can be swift divide the net 41 to the flue gas divide in time to wash, change, specifically be: when the flue gas uniform distribution net 41 needs to be taken out, the coke outlet 46 is opened, the handle 45 is pulled, and the handle 45 drives the extension plate 44 of the flue gas uniform distribution net 41 to slide from the clamping plate 47, so that the flue gas is taken out from the coke outlet 46; when putting back the flue gas equipartition net 41 from the tar outlet 46, pushing the handle 45, the handle 45 drives the extension plate 44 of the flue gas equipartition net 41 to slide and reset on the clamping plate 47, thereby realizing convenient disassembly and installation of the flue gas equipartition net 41.
Compared with the traditional flue gas equalizing and dividing net 41 with a porous plate shape, which can only perform flue gas equalization once, the flue gas equalizing and dividing net at the bottom of the traditional equipment has poor flue gas equalizing and dividing capacity, so that the flue gas only passes through part of the anode tubes, and the processing capacity of the equipment is seriously influenced. And the wet-type electrostatic precipitator that this application provided, flue gas equipartition mechanism 4 adopts the structure that the two-stage was equallyd divide, can equally divide twice to the flue gas that gets into the cavity, has effectively ensured that the flue gas that gets into the cavity can be even through the anode tube, makes equipment throughput reach the rated value. And, traditional flue gas divides the net 41 to divide always fixed mounting inside casing 1 for it is very inconvenient to the washing of flue gas divides the net 41 equally, thereby lead to the flue gas divides the net 41 evenly on adhere to tar and lead to dividing the ability variation, and the wet-type electrostatic precipitator equipment that this application provided, can be fast convenient dismantle and install the flue gas divides the net 41 equally, effectively reduce staff intensity of labour, and effectively ensured the normal work of device, show the life of device simultaneously.
In one embodiment of the present application, a fin heating device 7 is further provided on the top inner wall of the placement box 67, as shown in fig. 1-7.
The working principle and the beneficial effects of the technical scheme are as follows: insulating vase on the existing market is in long-time operation, some water films can be easily accumulated on the surface of the insulating vase, short circuit phenomenon occurs in equipment, and the equipment cannot continue to operate. And the wet-type electrostatic precipitator equipment that this application provided through set up fin heating device 7 in settling box 67, can be so that settle the interior temperature of box 67 and be higher than ambient temperature, through circulation of air, the incasement damp moisture integument fan discharge, and then make insulating vase 66 long-time operation can not collect the water film, effectively reduces the risk of equipment short circuit.
According to fig. 1 to 7, in an embodiment of the present application, a positioning plate 69 is further disposed inside the housing 1, a plurality of through holes 68 are uniformly distributed on the positioning plate 69, and the corona wires 64 are disposed through the through holes 68 one by one.
The working principle and the beneficial effects of the technical scheme are as follows: through setting up locating plate 69 for the one end that corona polar line 64 is close to weight 61 is injectd in through-hole 68, can make the difficult swing that takes place of corona polar line 64, thereby effective hoisting device's stability and security have effectively ensured the normal work of device, and show hoisting device's life.
In one embodiment of the present application, as shown in fig. 8, the adjustable high voltage power supply apparatus includes: and the power supply circuit is electrically connected with the voltage regulator and provides alternating current for the voltage regulator. The voltage regulator is electrically connected with the inverter and provides stable direct current for the inverter. The inverter is electrically connected with the step-up transformer and provides high-frequency alternating current for the step-up transformer. The step-up transformer is electrically connected to the cathode beam 62 through a rectification output circuit, and provides high-voltage direct current to the cathode beam 62.
The working principle and the beneficial effects of the technical scheme are as follows: the power circuit is used for providing power for the full circuit, the voltage regulator outputs stable direct current to the inverter after receiving alternating current transmitted by the power circuit, the inverter converts the alternating current into high-frequency alternating current and provides the high-frequency alternating current to the step-up transformer, and the step-up transformer outputs high-voltage direct current through the rectifying circuit after stepping up the high-frequency alternating current and provides the high-frequency direct current to the corona polar line 64, so that an electric field is formed between the corona polar line 64 and the anode tube module 65.
In addition, as shown in fig. 8, the adjustable high voltage power supply apparatus may further include: and the microprocessor is in signal connection with the voltage regulator through an overvoltage and overcurrent protection circuit and is used for sampling and judging whether the voltage and the current of the voltage regulator are within the range of preset values or not, and if the voltage and the current of the voltage regulator are higher than the preset values, the microprocessor outputs a control signal to the power circuit. The microprocessor is in signal connection with the inverter through a first overcurrent protection circuit and is used for sampling and judging whether the current of the inverter is within a preset value range, and if the current of the inverter is higher than the preset value, the microprocessor outputs a control signal to the power circuit. The microprocessor is in signal connection with the boosting transformer through a second reverse protection circuit and is used for sampling and judging whether the current of the boosting transformer is within a preset value range or not, and if the current of the boosting transformer is higher than the preset value, the microprocessor outputs a control signal to the power circuit. The microprocessor is in signal connection with the rectification output circuit and is used for sampling and judging whether the high-voltage direct-current voltage output by the rectification output circuit is within a preset value range, and if the high-voltage direct-current voltage is higher than the preset value, the microprocessor outputs a control signal to the power circuit.
The traditional wet-type electric dust removal equipment is usually directly connected with a power supply, so that the adjustable range of the voltage of the power supply configured by the equipment is small, and the phenomenon that the equipment is easy to be overlooked in a short period due to the difference of the matching degree of the voltage required by discharge between a corona pole line and an anode tube and the voltage provided by the power supply is caused. The wet-type electric precipitation equipment provided by the application can be adjusted in real time within the range of 0-50KV according to the voltage required by discharge between the corona limit and the anode tube through the microprocessor, so that an optimal working power supply is provided between the corona pole wire 64 and the anode tube, the discharge is more stable, the energy consumption can be reduced, the adsorption capacity of the anode tube can be improved, the matching degree of the voltage required by discharge between the corona limit and the anode tube and the voltage provided by the power supply is more fit, and the dust removal efficiency of the equipment is remarkably improved. Moreover, when a short circuit occurs between the corona pole wire 64 and the anode tube module 65 or short circuits occur at other positions of the circuit, the microprocessor can also output a control signal to the power circuit in time to cut off the power supply, so that the safety performance of the device is effectively improved, and the service cycle of the device is remarkably prolonged.
It should be noted that: the microprocessor may be an 8031 single chip microcomputer. The rectification output circuit, the overvoltage and overcurrent protection circuit, the first overcurrent protection circuit and the second overcurrent protection circuit are all known circuits.
In one embodiment of the present application, as shown in fig. 1-7, the spraying mechanism 5 comprises: the water inlet pipe 53, wherein one end of the water inlet pipe 53 is provided with a water inlet 54, and the water inlet 54 is connected with the water storage heating tank 51 through a water supply pipe 52. The other end of the water inlet pipe 53 extends into the casing 1 and is connected with a plurality of water distribution pipes 55, one end of each water distribution pipe 55 far away from the water inlet pipe 53 is respectively provided with a spray head 56, and each spray head 56 is uniformly distributed right above the dust removing mechanism 6. The bottom in the shell 1 is provided with a water collecting tank 57, the side wall of the bottom of the water collecting tank 57 is provided with a water outlet 58, and the position of the water outlet 58 is provided with a valve 59.
The working principle and the beneficial effects of the technical scheme are as follows: the water inlet connector is connected with an external water storage and heating tank 51, high-temperature water is conveyed to the water distribution pipe 55 through the water conveying pipe 52 and the water inlet pipe 53, then 3 groups of high-pressure spiral spray nozzles 56 are sprayed out from the plurality of spray nozzles 56 on the water distribution pipe 55 to spray and clean the anode pipe module 65, then the high-temperature water flows into the water collection tank 57, and then the high-temperature water can be discharged through the water outlet 58.
Further, the number of the spray heads 56 is nine, and the nine spray heads 56 are distributed over the dust removing mechanism 6 in a square array. This application adopts and to set up 3 shower nozzles 56 of group at anode tube module 65 top, and 3 shower nozzles 56 of every group totally 9 shower nozzles 56's arrangement mode can realize carrying out the water jet with high temperature on the anode tube inner wall at the no dead angle of full coverage to anode tube module 65, can wash totally viscous substance such as the tar of remaining on the anode tube through certain time.
Optionally, the spray head 56 is a stainless steel high-pressure spiral spray head 56. Wherein, the spray nozzle 56 is 3/8 inches stainless steel high pressure spiral spray nozzle 56, the water pressure of the spray can reach 0.3MPa, and the viscous substances such as tar and the like remained on the anode tube can be further washed completely.
Compare with the wet-type electrostatic precipitator equipment that a shower nozzle 56 that sets up at the equipment top sprayed water and wash, traditional equipment washs the dead angle and leads to the positive pole pipe inner wall to wash thoroughly in washing process very easily appearing to lead to equipment to appear the cycle that neglects to shorten, equipment can't be used for a long time, and seriously influence dust collection efficiency. And the wet-type electrostatic precipitator equipment that this application provided has optimized the form of shower nozzle 56 and the arrangement of shower nozzle 56 and the ratio of water pressure flow, has realized carrying out the washing at full coverage no dead angle to positive pole pipe module 65, effectively reduces the residual phenomenon of tar to appear on the positive pole pipe, has effectively ensured the dust collection efficiency of equipment to show the life cycle of lifting means.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art; the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.
Claims (10)
1. The utility model provides a wet-type electrostatic precipitator equipment which characterized in that includes:
the shell (1), the said shell (1) is grounded and set up;
one end of the smoke inlet pipe (2) is connected with an external smoke exhaust device, and the other end of the smoke inlet pipe (2) penetrates through the side wall of the bottom of the shell (1) and is provided with a smoke inlet (3);
the smoke uniform-distribution mechanism (4) is used for uniformly distributing smoke entering the shell (1), the smoke uniform-distribution mechanism (4) is arranged in the shell (1), and the bottom of the smoke uniform-distribution mechanism (4) is arranged over against the smoke inlet (3);
dust removal mechanism (6), dust removal mechanism (6) set up inside casing (1), and be located the top of flue gas equipartition mechanism (4), dust removal mechanism (6) include: the two cathode beams (62) are symmetrically arranged between two inner side walls of the shell (1) at intervals, a bracket (63) is erected between the two cathode beams (62), a plurality of corona electrode wires (64) are uniformly distributed on the bracket (63), and the corona electrode wires (64) are electrically connected with an external adjustable high-voltage power supply device through the cathode beams (62); one end of each corona wire (64) is connected with an insulating porcelain bottle (66), the insulating porcelain bottles (66) are installed in a placement box (67), and the installation box (67) is located on the inner side wall of the top of the shell (1); the other end of each corona pole wire (64) penetrates through an anode tube module (65) and is provided with a heavy hammer (61), and the anode tube module (65) is fixedly arranged in the shell (1);
the spraying mechanism (5) is arranged inside the shell (1) and is used for cleaning the anode tube module (65);
the exhaust pipe (9), gas vent (8) have been seted up at casing (1) top, gas vent (8) department is equipped with the fan, just blast pipe (9) with gas vent (8) intercommunication.
2. The wet electric precipitation equipment of claim 1, wherein the flue gas homogenizing mechanism (4) comprises: a catch plate (47);
the two clamping plates (47) are symmetrically arranged on the two inner side walls of the shell (1), and a smoke uniform distribution network (41) is clamped between the two clamping plates (47);
the smoke uniform distribution net (41) is of a square structure and is hollow inside, the bottom of the smoke uniform distribution net (41) is arranged right opposite to the smoke inlet (3), a plurality of smoke inlet holes (42) are uniformly distributed on two opposite side walls of the smoke uniform distribution net (41), and a plurality of smoke outlet holes (43) are uniformly distributed on the top of the smoke uniform distribution net (41);
and the top of the smoke equal-distribution net (41) extends towards two sides which are not provided with the smoke inlet holes (42) and is provided with extension plates (44), and the two extension plates (44) are matched with the two clamping plates (47) one by one.
3. The wet type electric precipitation equipment as claimed in claim 2, wherein a handle (45) is arranged on one side wall of the flue gas uniform distribution net (41) provided with the flue gas inlet holes (42), and a tar outlet (46) is arranged on the side wall of the shell (1).
4. The wet electric dust removal equipment as claimed in claim 1, wherein a fin heating device (7) is further arranged on the inner wall of the top of the placing box (67).
5. The wet type electric precipitation equipment as claimed in claim 1, wherein a positioning plate (69) is further arranged inside the housing (1), a plurality of through holes (68) are uniformly distributed on the positioning plate (69), and the corona wires (64) are arranged through the through holes (68) one by one.
6. The wet electric precipitation equipment as claimed in claim 1, wherein the adjustable high voltage power supply device comprises: a power supply circuit;
the power circuit is electrically connected with the voltage regulator and provides alternating current for the voltage regulator;
the voltage regulator is electrically connected with the inverter and provides stable direct current for the inverter;
the inverter is electrically connected with the step-up transformer and provides high-frequency alternating current for the step-up transformer;
the step-up transformer is electrically connected with the cathode beam (62) through a rectification output circuit and provides high-voltage direct current for the cathode beam (62).
7. The wet electric precipitation apparatus of claim 6, wherein the adjustable high voltage power supply further comprises: a microprocessor;
the microprocessor is in signal connection with the voltage regulator through an overvoltage and overcurrent protection circuit and is used for sampling and judging whether the voltage and the current of the voltage regulator are within a preset value range, and if the voltage and the current of the voltage regulator are higher than the preset value, a control signal is output to the power circuit;
the microprocessor is in signal connection with the inverter through a first overcurrent protection circuit and is used for sampling and judging whether the current of the inverter is within a preset value range, and if the current of the inverter is higher than the preset value, the microprocessor outputs a control signal to the power circuit;
the microprocessor is in signal connection with the boosting transformer through a second protection circuit and is used for sampling and judging whether the current of the boosting transformer is within a preset value range or not, and if the current of the boosting transformer is higher than the preset value, the microprocessor outputs a control signal to the power circuit;
the microprocessor is in signal connection with the rectification output circuit and is used for sampling and judging whether the high-voltage direct-current voltage output by the rectification output circuit is within a preset value range, and if the high-voltage direct-current voltage is higher than the preset value, the microprocessor outputs a control signal to the power circuit.
8. Wet electric precipitation plant according to any one of claims 1 to 7, characterized in that said spraying mechanism (5) comprises: a water inlet pipe (53);
one end of the water inlet pipe (53) is provided with a water inlet (54), and the water inlet (54) is connected with the water storage and heating tank (51) through a water supply pipe (52);
the other end of the water inlet pipe (53) extends into the shell (1) and is connected with a plurality of water distribution pipes (55), one end, far away from the water inlet pipe (53), of each water distribution pipe (55) is provided with a spray head (56), and each spray head (56) is uniformly distributed right above the dust removal mechanism (6);
the bottom is equipped with header tank (57) in casing (1), be equipped with outlet (58) on the lateral wall of header tank (57) bottom, outlet (58) department is equipped with valve (59).
9. The wet type electric dust removal equipment as claimed in claim 8, wherein the number of the spray heads (56) is nine, and the nine spray heads (56) are distributed in a square array right above the dust removal mechanism (6).
10. The wet type electric dust removing equipment as claimed in claim 8, wherein the spray head (56) is a stainless steel high pressure spiral spray head (56).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111553332.9A CN114192282A (en) | 2021-12-17 | 2021-12-17 | Wet-type electric precipitation equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111553332.9A CN114192282A (en) | 2021-12-17 | 2021-12-17 | Wet-type electric precipitation equipment |
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| CN114192282A true CN114192282A (en) | 2022-03-18 |
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| CN202111553332.9A Pending CN114192282A (en) | 2021-12-17 | 2021-12-17 | Wet-type electric precipitation equipment |
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| CN108927287A (en) * | 2018-05-28 | 2018-12-04 | 朱家浩 | A kind of boiler of power plant flue gas wet electrical dust precipitator |
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| CN112108269A (en) * | 2019-06-19 | 2020-12-22 | 中国石油化工股份有限公司 | Pulse charge wet-type electric precipitation demister, treatment method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN206464078U (en) * | 2016-08-17 | 2017-09-05 | 北京北交富沃机电工程科技有限公司 | For the rectilinear hexagonal tube rotating vane type electrostatic precipitator at the top of desulfurizing tower |
| CN207013147U (en) * | 2017-06-28 | 2018-02-16 | 上海产业技术研究院 | A kind of wet electric dust-removing equipment of environmental protection |
| CN108636610A (en) * | 2018-04-08 | 2018-10-12 | 福州清净环保设备有限公司 | A kind of wet electrical dust collector device of short pole span |
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