CN112058494A - Electrostatic precipitator for thermal power plant - Google Patents
Electrostatic precipitator for thermal power plant Download PDFInfo
- Publication number
- CN112058494A CN112058494A CN201910503190.1A CN201910503190A CN112058494A CN 112058494 A CN112058494 A CN 112058494A CN 201910503190 A CN201910503190 A CN 201910503190A CN 112058494 A CN112058494 A CN 112058494A
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- CN
- China
- Prior art keywords
- electrostatic precipitator
- storehouse
- thermal power
- power plant
- dust removal
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/01—Pretreatment of the gases prior to electrostatic precipitation
- B03C3/011—Prefiltering; Flow controlling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/017—Combinations of electrostatic separation with other processes, not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/02—Plant or installations having external electricity supply
- B03C3/04—Plant or installations having external electricity supply dry type
- B03C3/09—Plant or installations having external electricity supply dry type characterised by presence of stationary flat electrodes arranged with their flat surfaces at right angles to the gas stream
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- Electrostatic Separation (AREA)
Abstract
The invention discloses an electrostatic dust collection device for a thermal power plant, which comprises a filtering bin, an electrostatic dust collection bin and an adsorption dust collection bin, wherein one end of the electrostatic dust collection bin is provided with a first connecting pipe, the other end of the first connecting pipe is hermetically connected with one side of the filtering bin, an impurity filtering plate is arranged inside the filtering bin, the other side of the filtering bin is provided with an air inlet pipeline, the other end of the electrostatic dust collection bin is provided with a second connecting pipe, and the other end of the second connecting pipe is hermetically connected with one side of the adsorption dust collection bin. The electrostatic dust removal bin is internally provided with a plurality of pairs of negative plates and positive plates, the negative plates are arranged from the top, gaps are reserved at the bottom, the positive plates are arranged from the bottom, gaps are reserved at the top, and the dust-containing gas forms gas rotational flow when passing through the electrostatic dust removal bin due to the design of the plurality of pairs of negative plates and positive plates, so that the dust-containing gas is fully removed, the negative plates are fixedly arranged, and the positive plates are detachably arranged.
Description
Technical Field
The invention relates to the technical field of electrostatic dust removal equipment, in particular to an electrostatic dust removal device for a thermal power plant.
Background
Thermal power plants are short for thermal power plants, and are plants that produce electrical energy using combustible materials as fuel. The basic production process is as follows: when the fuel is burnt, water is heated to generate steam, chemical energy of the fuel is converted into heat energy, the steam pressure pushes a steam turbine to rotate, the heat energy is converted into mechanical energy, and then the steam turbine drives a generator to rotate, so that the mechanical energy is converted into electric energy. In recent years, with rapid development of economy, metallurgical steelmaking electric furnaces and raw coal-fired boilers have increased, and the atmospheric pollutants discharged from these furnaces pose great harm to the surrounding environment, so that a technology for removing particulate matters from dust-containing gas to reduce the emission thereof to the atmosphere has become more and more important. The dust removal work of the thermal power plant is one of the works which need attention of the thermal power plant, the common dust removal modes are various, and the electrostatic dust removal is a dust removal method which is widely applied. The working principle of electrostatic dust collection is that dust-containing gas is electrically separated when passing through a high-voltage electrostatic field, and dust particles and negative ions are combined to be charged negatively and then tend to discharge on the surface of an anode to be deposited. In the metallurgical, chemical and other industries to purify gases or recover useful dust particles. A dust collecting method in which gas is ionized by an electrostatic field to thereby electrically adsorb dust particles to an electrode. In a strong electric field, air molecules are ionized into positive ions and electrons, and the electrons encounter dust particles in the process of running to the positive electrode, so that the dust particles are negatively charged and adsorbed to the positive electrode to be collected.
However, the existing electrostatic dust removal device for a thermal power plant still has a deficiency when in use, because the amount of dust-containing gas generated by the thermal power plant is large, impurities can remain on the anode plate when the electrostatic dust removal method is used for removing dust, therefore, workers are required to frequently clean or replace the anode plate, the amount of labor is large, meanwhile, the rate of gas passing through the electrostatic dust removal bin is also one of the key factors influencing the dust removal effect, the excessive air flow rate through the electrostatic dust removal bin can lead to incomplete dust removal, otherwise, when the air flow rate is small, the processing efficiency of dust removal is low, and improvement is needed urgently.
Disclosure of Invention
The invention aims to provide an electrostatic precipitator for a thermal power plant, which aims to solve the problems that the quantity of dust-containing gas generated by the thermal power plant is large, workers need to frequently replace and clean anode plates after electrostatic precipitation, the labor capacity is large, the dedusting efficiency of the conventional electrostatic precipitator is low on the premise of ensuring that the dedusting effect is qualified, and the like in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an electrostatic precipitator device for thermal power plant, is including crossing filter bin, electrostatic precipitator storehouse and absorption dust removal storehouse, the one end in electrostatic precipitator storehouse is equipped with first connecting pipe, and the other end of first connecting pipe and a side sealing connection who crosses filter bin, the inside of crossing filter bin is equipped with the impurity filter, and crosses filter bin's opposite side and be equipped with the admission line, the other end in electrostatic precipitator storehouse is equipped with the second connecting pipe, and the other end of second connecting pipe and a side sealing connection who adsorbs dust removal storehouse, the bottom that adsorbs dust removal storehouse is equipped with the dirty pond of collection.
Preferably, a cold water circulating pipe is arranged inside the adsorption dust removal bin, guide pipes are arranged on two sides of the cold water circulating pipe, and one end of each guide pipe is connected with the condenser in a sealing mode.
Preferably, the cold water circulating pipe comprises a transverse pipe and a vertical pipe, and the transverse pipe and the vertical pipe are vertically and alternately distributed.
Preferably, the bottom of the electrostatic dust removal bin is provided with a bottom plate, the top of the bottom plate is provided with a mounting substrate, and the bottom of the mounting substrate is provided with rollers.
Preferably, the upper side of the mounting substrate is provided with a cathode plate, and one side of the cathode plate is provided with an anode plate.
Preferably, the cathode plate is fixedly connected with the top end of the mounting substrate, and the cathode plate is 5cm away from the bottom end of the mounting substrate.
Preferably, the anode plate is fixedly connected with the bottom end of the mounting substrate, and the interval between the anode plate and the top end of the mounting substrate is 5 cm.
Preferably, an exhaust pipeline is arranged at the top end of one side of the adsorption dust removal bin, and an activated carbon filter layer is arranged inside the exhaust pipeline.
Compared with the prior art, the invention has the beneficial effects that:
1. the electrostatic dust removal bin is internally provided with a plurality of pairs of negative plates and positive plates, the negative plates are arranged from the top, gaps are reserved at the bottom, the positive plates are arranged from the bottom, gaps are reserved at the top, and the dust-containing gas forms gas rotational flow when passing through the electrostatic dust removal bin due to the design of the plurality of pairs of negative plates and positive plates, so that the dust-containing gas is fully removed;
2. before gas is introduced into the electrostatic dust removal bin, the gas is filtered by the impurity filtering plate to remove solid impurities, so that the dust content of the gas when the gas is introduced into the electrostatic dust removal bin is reduced, the times of cleaning an anode plate are reduced, the cleaning workload is further reduced, after the gas is subjected to electrostatic dust removal, the gas is further subjected to water mist adsorption treatment by the cold water circulating pipe, and then the peculiar smell in the gas is removed by the active carbon filtering layer, so that the cleanliness of the discharged air is ensured;
3. the upper transverse pipe and the vertical pipe of the cold water circulating pipe are staggered to ensure that the gas is fully contacted with the pipeline, further ensure that residual impurities in the gas are adsorbed on the outer wall of the pipeline as much as possible, and ensure that the dust removal effect is excellent.
Drawings
Fig. 1 is a schematic structural diagram of an electrostatic precipitator for a thermal power plant according to the present invention;
FIG. 2 is a schematic view showing the construction of a cold water circulation pipe according to the present invention;
FIG. 3 is a schematic structural view of the electrostatic dust removal bin of the present invention;
fig. 4 is a vertical sectional view of a cold water circulation pipe of the present invention.
In the figure: 1. an air intake duct; 2. a filtering bin; 21. an impurity filter plate; 3. a first connecting pipe; 4. an electrostatic dust removal bin; 41. a cathode plate; 42. an anode plate; 43. a mounting substrate; 44. a roller; 45. a base plate; 5. a second connecting pipe; 6. a cold water circulating pipe; 61. a transverse tube; 62. a vertical tube; 7. an adsorption dust removal bin; 8. a sewage collecting tank; 9. a flow guide pipe; 10. a condenser; 11. an activated carbon filter layer; 12. an exhaust duct.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, an embodiment of the present invention is shown: the utility model provides an electrostatic precipitator device for thermal power plant, including filtering storehouse 2, electrostatic precipitator storehouse 4 and absorption dust removal storehouse 7, the one end in electrostatic precipitator storehouse 4 is equipped with first connecting pipe 3, and the other end of first connecting pipe 3 and one side sealing connection who filters storehouse 2, the inside of filtering storehouse 2 is equipped with impurity filter 21, and the opposite side of filtering storehouse 2 is equipped with admission line 1, the other end in electrostatic precipitator storehouse 4 is equipped with second connecting pipe 5, and the other end of second connecting pipe 5 and one side sealing connection who adsorbs dust removal storehouse 7, the bottom that adsorbs dust removal storehouse 7 is equipped with the dirty pond 8 that gathers dirt.
Furthermore, a cold water circulating pipe 6 is arranged inside the adsorption dust removal bin 7, two sides of the cold water circulating pipe 6 are respectively provided with a flow guide pipe 9, and one end of each flow guide pipe 9 is hermetically connected with a condenser 10.
Further, the cold water circulating pipe 6 comprises a transverse pipe 61 and a vertical pipe 62, and the transverse pipe 61 and the vertical pipe 62 are vertically and alternately distributed with each other to ensure that the gas is fully contacted with the pipeline, further ensure that residual impurities in the gas are adsorbed on the outer wall of the pipeline as much as possible, and ensure that the dust removing effect is excellent.
Further, the bottom of the electrostatic dust collection bin 4 is provided with a bottom plate 45, the top of the bottom plate 45 is provided with a mounting substrate 43, and the bottom of the mounting substrate 43 is provided with a roller 44, so that the anode plate 42 can be conveniently pulled out by a worker to be cleaned.
Further, the upper side of the mounting substrate 43 is provided with a cathode plate 41, and one side of the cathode plate 41 is provided with an anode plate 42, and the design of the plurality of pairs of cathode plates 41 and anode plates 42 enables the dust-containing gas to form a gas cyclone when passing through the electrostatic dust removal bin 4, thereby ensuring the sufficient dust removal of the dust-containing gas.
Further, the cathode plate 41 is fixedly connected to the top end of the mounting substrate 43, and the cathode plate 41 is spaced 5cm from the bottom end of the mounting substrate 43.
Further, the anode plate 42 is fixedly connected with the bottom end of the mounting substrate 43, and the anode plate 42 is 5cm apart from the top end of the mounting substrate 43.
Further, an exhaust duct 12 is arranged at the top end of one side of the adsorption dust removal bin 7, and an activated carbon filter layer 11 is arranged inside the exhaust duct 12.
The working principle is as follows: this equipment is when using, dirty gas passes through the inlet duct 1 and at first enters into in filtering storehouse 2, filter solid impurity through impurity filter 21, reduce the dust content when gaseous lets in electrostatic precipitator storehouse 4, thereby reduce the number of times of anode plate 42 clearance, further realized that the clearance work volume reduces, gaseous lets in electrostatic precipitator storehouse 4 after that, many to the design of cathode plate 41 and anode plate 42 make dirty gas form gaseous whirl when passing through electrostatic precipitator storehouse 4, thereby ensure the abundant dust removal to dirty gas, after gaseous through electrostatic precipitator, further carry out the water smoke adsorption treatment to gas through cold water circulating pipe 6, follow closely through the peculiar smell in the active carbon filter layer 11 detach gas, thereby guarantee the cleanliness factor of exhaust air, final clean gas is discharged through exhaust duct 12.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. The utility model provides an electrostatic precipitator device for thermal power plant, is including filtering storehouse (2), electrostatic precipitator storehouse (4) and absorption dust removal storehouse (7), its characterized in that: the one end in electrostatic precipitator storehouse (4) is equipped with first connecting pipe (3), and the other end of first connecting pipe (3) and one side sealing connection who crosses filter storehouse (2), the inside of crossing filter storehouse (2) is equipped with impurity filter (21), and the opposite side of crossing filter storehouse (2) is equipped with admission line (1), the other end in electrostatic precipitator storehouse (4) is equipped with second connecting pipe (5), and the other end of second connecting pipe (5) and one side sealing connection who adsorbs dust removal storehouse (7), the bottom that adsorbs dust removal storehouse (7) is equipped with collection dirty pond (8).
2. The electrostatic precipitator for a thermal power plant according to claim 1, wherein: the adsorption dust removal device is characterized in that a cold water circulating pipe (6) is arranged inside the adsorption dust removal bin (7), guide pipes (9) are arranged on two sides of the cold water circulating pipe (6), and one end of each guide pipe (9) is connected with a condenser (10) in a sealing mode.
3. The electrostatic precipitator for a thermal power plant according to claim 2, wherein: the cold water circulating pipe (6) comprises a transverse pipe (61) and a vertical pipe (62), and the transverse pipe (61) and the vertical pipe (62) are vertically and alternately distributed.
4. The electrostatic precipitator for a thermal power plant according to claim 1, wherein: the bottom of the electrostatic dust collection bin (4) is provided with a bottom plate (45), the top of the bottom plate (45) is provided with a mounting substrate (43), and the bottom of the mounting substrate (43) is provided with rollers (44).
5. The electrostatic precipitator for a thermal power plant according to claim 4, wherein: the upper side of the mounting substrate (43) is provided with a cathode plate (41), and one side of the cathode plate (41) is provided with an anode plate (42).
6. The electrostatic precipitator for a thermal power plant according to claim 5, wherein: the cathode plate (41) is fixedly connected with the top end of the mounting substrate (43), and the bottom end of the cathode plate (41) is 5cm away from the bottom end of the mounting substrate (43).
7. The electrostatic precipitator for a thermal power plant according to claim 5, wherein: the anode plate (42) is fixedly connected with the bottom end of the mounting substrate (43), and the interval between the anode plate (42) and the top end of the mounting substrate (43) is 5 cm.
8. The electrostatic precipitator for a thermal power plant according to claim 1, wherein: an exhaust pipeline (12) is arranged at the top end of one side of the adsorption dust removal bin (7), and an active carbon filter layer (11) is arranged inside the exhaust pipeline (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910503190.1A CN112058494A (en) | 2019-06-11 | 2019-06-11 | Electrostatic precipitator for thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910503190.1A CN112058494A (en) | 2019-06-11 | 2019-06-11 | Electrostatic precipitator for thermal power plant |
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| Publication Number | Publication Date |
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| CN112058494A true CN112058494A (en) | 2020-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910503190.1A Pending CN112058494A (en) | 2019-06-11 | 2019-06-11 | Electrostatic precipitator for thermal power plant |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02273562A (en) * | 1989-04-13 | 1990-11-08 | Daikin Ind Ltd | Electrode of dust collecting part of electric precipitator |
| CN201669161U (en) * | 2010-01-12 | 2010-12-15 | 深圳市格瑞卫康环保科技有限公司 | Electrostatic dust collecting device convenient for cleaning |
| DE102012107493A1 (en) * | 2011-10-10 | 2013-04-11 | Gammel Engineering Gmbh | Method for producing liquid and gaseous fuel from pyrolysis raw gas for lighting dual-fuel engine-combined heating and power station, involves introducing pyrolysis oil and pure gas into separate inputs of engine device over conveyors |
| CN104907173A (en) * | 2015-06-02 | 2015-09-16 | 宁波方太厨具有限公司 | Electrostatic cooking fume purification device |
| CN205903752U (en) * | 2016-08-03 | 2017-01-25 | 浙江南方装饰工程有限公司 | Interior decoration construction dust isolating device |
| CN107497604A (en) * | 2016-06-14 | 2017-12-22 | 上海钉点智能科技有限公司 | A kind of electrode plate structure of novel electrostatic absorption type air purifier |
| CN207187993U (en) * | 2017-11-29 | 2018-04-06 | 江苏绿洁节能有限公司 | A kind of electric precipitation dust device |
| CN207187393U (en) * | 2017-07-18 | 2018-04-06 | 固安县惠民塑料滤业有限公司 | The device of dust in a kind of industrial scavenging |
| CN108434924A (en) * | 2018-06-07 | 2018-08-24 | 北京国能中电节能环保技术股份有限公司 | A kind of flue gas eliminating white smoke system and method |
| CN108636047A (en) * | 2018-07-12 | 2018-10-12 | 浙江大学 | The system that water cooperation-removal pollutant is received in electric discharge condensation |
| CN208927869U (en) * | 2018-09-29 | 2019-06-04 | 上海盛剑环境系统科技股份有限公司 | A kind of device for eliminating white cigarette |
-
2019
- 2019-06-11 CN CN201910503190.1A patent/CN112058494A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02273562A (en) * | 1989-04-13 | 1990-11-08 | Daikin Ind Ltd | Electrode of dust collecting part of electric precipitator |
| CN201669161U (en) * | 2010-01-12 | 2010-12-15 | 深圳市格瑞卫康环保科技有限公司 | Electrostatic dust collecting device convenient for cleaning |
| DE102012107493A1 (en) * | 2011-10-10 | 2013-04-11 | Gammel Engineering Gmbh | Method for producing liquid and gaseous fuel from pyrolysis raw gas for lighting dual-fuel engine-combined heating and power station, involves introducing pyrolysis oil and pure gas into separate inputs of engine device over conveyors |
| CN104907173A (en) * | 2015-06-02 | 2015-09-16 | 宁波方太厨具有限公司 | Electrostatic cooking fume purification device |
| CN107497604A (en) * | 2016-06-14 | 2017-12-22 | 上海钉点智能科技有限公司 | A kind of electrode plate structure of novel electrostatic absorption type air purifier |
| CN205903752U (en) * | 2016-08-03 | 2017-01-25 | 浙江南方装饰工程有限公司 | Interior decoration construction dust isolating device |
| CN207187393U (en) * | 2017-07-18 | 2018-04-06 | 固安县惠民塑料滤业有限公司 | The device of dust in a kind of industrial scavenging |
| CN207187993U (en) * | 2017-11-29 | 2018-04-06 | 江苏绿洁节能有限公司 | A kind of electric precipitation dust device |
| CN108434924A (en) * | 2018-06-07 | 2018-08-24 | 北京国能中电节能环保技术股份有限公司 | A kind of flue gas eliminating white smoke system and method |
| CN108636047A (en) * | 2018-07-12 | 2018-10-12 | 浙江大学 | The system that water cooperation-removal pollutant is received in electric discharge condensation |
| CN208927869U (en) * | 2018-09-29 | 2019-06-04 | 上海盛剑环境系统科技股份有限公司 | A kind of device for eliminating white cigarette |
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Application publication date: 20201211 |