CN107470026B - Method and device for adsorbing non-gaseous substances in gas by using static electricity - Google Patents
Method and device for adsorbing non-gaseous substances in gas by using static electricity Download PDFInfo
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- CN107470026B CN107470026B CN201710904717.2A CN201710904717A CN107470026B CN 107470026 B CN107470026 B CN 107470026B CN 201710904717 A CN201710904717 A CN 201710904717A CN 107470026 B CN107470026 B CN 107470026B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/02—Plant or installations having external electricity supply
- B03C3/04—Plant or installations having external electricity supply dry type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/40—Electrode constructions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/74—Cleaning the electrodes
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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 invention discloses a method for adsorbing non-gaseous substances in gas by utilizing static electricity, which comprises the following steps of arranging a gas filtering channel, sequentially arranging a plurality of planar adsorption members in the channel, wherein the adsorption members are made of conductor materials, and gaps for gas to pass through are arranged on the adsorption members; step two, the adsorption component is connected with a power supply to enable the adsorption component to be charged with static electricity, and the voltage of the adsorption component is high as much as possible under the condition that air ionization is not generated; and thirdly, enabling the gas to be filtered to flow through the gas filtering channel, adsorbing the particles in the gas on the adsorption member through static electricity, and when the substances on the adsorption member reach a certain degree, cleaning the adsorption member on line through the cleaning device. Through the steps, the gas can be filtered quickly and efficiently, and the method is suitable for being used in various fields such as industrial dust removal, haze air purification and the like.
Description
Technical Field
The invention relates to the technical field of gas filtration, in particular to a method and a device for adsorbing non-gaseous substances in gas by utilizing static electricity.
Background
At present, the air quality problem is a major health problem affecting human beings, and the human beings live in haze weather for a long time, so that the risks of various diseases such as respiratory systems, cardiovascular and cerebrovascular diseases and the like are increased, the life quality is affected, and the service life is shortened. In the haze weather, particularly the haze weather caused by the overlarge concentration of the particulate matters in northern cities in winter in China has great harm to the health of people, and in the current stage, the emission of the particulate matters is controlled in China, so that an effective, economical and feasible method for removing the fine particles is still lacked except for strengthening the legislation and standardizing the production and other measures.
In the current mode of filtering gas, electrostatic filtration is a common mode, dust-containing gas is electrically separated when passing through a high-voltage electrostatic field, dust particles and negative ions are combined to be charged negatively and then tend to be discharged and deposited on the surface of an anode, the filtering effect of the mode is influenced by the specific resistance of the dust particles, and the cleaning of the solid particles needs to be stopped for treatment, cannot be processed on line and influences continuous dust removal.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a method for adsorbing non-gaseous substances in gas by using static electricity and a device using the method, which can remove various non-gaseous substances in gas efficiently, can clean dust on line and work continuously, and improve the dust removal efficiency.
In order to solve the technical problems, the technical scheme of the invention is as follows: a method for electrostatically adsorbing non-gaseous materials in a gas, comprising the steps of:
step one, arranging a gas filtering channel, sequentially arranging a plurality of planar adsorption members in the channel, wherein the adsorption members are made of conductor materials, and gaps for gas to pass through are arranged on the adsorption members;
step two, the adsorption component is connected with a power supply to enable the adsorption component to be charged with static electricity, and the voltage of the adsorption component is high as much as possible under the condition that air ionization is not generated; the adsorption member adsorbs the particles in the gas by electrostatic attraction, rather than charging the particles by ionization, and the high voltage can improve the adsorption capacity.
And thirdly, enabling the gas to be filtered to flow through the gas filtering channel, adsorbing the particles in the gas on the adsorption member through static electricity, and when the substances on the adsorption member reach a certain degree, cleaning the adsorption member on line through the cleaning device.
Through the above-mentioned step, can filter the particulate matter in the gas through electrostatic adsorption, gas is big with adsorption element's area of contact, can improve the filter effect through the quantity that increases adsorption element, the scheme is simple effective, and the static is wide to the particulate matter application range in the gas, the particulate matter of equidimension not all receives electrostatic attraction, can obtain cleaing away, do not receive the specific resistance influence of material, adsorption element is online to be cleared up, operating time is long, the continuation is good, be suitable for multiple fields such as industrial dust removal and purification haze air and use.
As an improvement, the method further comprises a fourth step of enabling the adsorption members to be charged with static electricity with different polarities, wherein the adsorption members with different polarities are arranged in a staggered mode. The polarity of the adsorbing member may be arranged in the order of positive electrode and negative electrode, or may be arranged in a cycle of positive electrode, negative electrode, and negative electrode.
For the components of the particles in the gas, if the particles with different electric properties are arranged in the gas, adsorption components with different polarities can be adopted to improve the adsorption effect.
As an improvement, the structure of the part of the adsorption component in the air inlet channel has three shapes, namely a grid shape, a net shape and a dispersion point shape, and the adsorption components with the three structures can be used independently or in a mixed way in the same air filtering channel.
As an improvement, the adsorption element is provided with at least one filter surface made of a conductive material.
As an improvement, the power supply connected with the adsorption member is high-voltage direct current or high-voltage pulse electricity.
As an improvement, the grid-shaped adsorption member is made of a single conductor wire, the conductor wire is wound on two parallel rollers, the conductor wire forms a two-layer grid between the two rollers, the gas filtering channel is clamped between the two rollers, the conductor wire is connected with a winding device, when the conductor wire in the gas filtering channel needs to be cleaned, the winding device pulls the conductor wire to move the conductor wire in the gas filtering channel out of the gas filtering channel for cleaning, and the inside of the gas filtering channel is replaced with a new conductor wire to work.
Made of a single conductor wire, is structurally easier to implement and can form a structure that is more flexible.
The device for adsorbing the non-gaseous substances in the gas by using the static electricity comprises a gas filtering channel, wherein a plurality of planar adsorption components which are sequentially arranged are arranged in the gas filtering channel, gaps are formed in the adsorption components, a power supply for providing the static electricity for the adsorption components is connected to the adsorption components, and the adsorption components are connected with a cleaning device for cleaning adsorbed substances on the adsorption components.
The effects and benefits of which have already been described in the above methods are not described in detail.
As an improvement, the structure of the part of the adsorption component in the air inlet channel has three shapes, namely a grid shape, a net shape and a dispersion point shape, and the adsorption components with the three structures can be used independently or in a mixed way in the same air filtering channel.
As an improvement, the adsorption element is provided with at least one filter surface made of a conductive material.
As an improvement, the grid-shaped adsorption member is made of a single conductor wire, the conductor wire is wound on two parallel rollers, the conductor wire forms a two-layer grid between the two rollers, the gas filtering channel is sandwiched between the two rollers, the conductor wire is connected with a winding device, the cleaning device is arranged between the gas filtering channel and the rollers, when the conductor wire in the gas filtering channel needs to be cleaned, the winding device pulls the conductor wire to move the conductor wire in the gas filtering channel out of the gas filtering channel for cleaning, and the inside of the gas filtering channel works instead of a new conductor wire.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural view of an adsorption member of an embodiment of the present invention;
FIG. 3 is a schematic structural view of an adsorption member of an embodiment of the present invention;
FIG. 4 is a schematic structural view of an adsorption member of an embodiment of the present invention;
FIG. 5 is a schematic structural view of an adsorption member of an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a cleaning apparatus according to an embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a wicking member formed from a single conductor wire in accordance with an embodiment of the present invention;
FIG. 8 is a schematic structural diagram of a wicking member formed from a single conductor wire in accordance with an embodiment of the present invention;
in the figure: 1, a gas filtering channel; 2, an adsorption member; 3, cleaning the device; 4, a power supply; 5, a columnar conductor; 6, a bulk conductor; 7, cleaning the sliding sleeve; 8, a brush; 9, a dust collecting box; 10, an ash removal interval; 11, a roller; 12, a conductor wire; 13, a reel; and 14, assisting the steering wheel.
Detailed Description
The invention is further illustrated below with reference to the figures and examples. In the following detailed description, certain exemplary embodiments of the present invention are described by way of illustration only. Needless to say, a person skilled in the art realizes that the described embodiments can be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.
As shown in fig. 1 to 8, a method for electrostatically adsorbing non-gaseous substances in a gas includes the steps of:
step one, arranging a gas filtering channel 1, sequentially arranging a plurality of planar adsorption members 2 in the channel, wherein the adsorption members 2 are made of conductor materials, and gaps for gas to pass through are arranged on the adsorption members 2;
step two, the adsorption component 2 is connected with a power supply 4, so that the adsorption component 2 is charged with static electricity, and the voltage of the adsorption component 2 is as high as possible under the condition that air ionization is not generated; the adsorption member 2 adsorbs the particles in the gas by electrostatic attraction instead of ionizing the particles to charge, the higher voltage can improve the adsorption capacity, and the power supply 4 connected with the adsorption member 2 is high-voltage direct current or high-voltage pulse electricity.
And step three, enabling the gas to be filtered to flow through the gas filtering channel 1, adsorbing the particles in the gas on the adsorption member 2 through static electricity, and when the substances on the adsorption member 2 reach a certain degree, cleaning the adsorption member 2 on line through the cleaning device 3.
And step four, enabling the adsorption members 2 to carry static electricity with different polarities, and arranging the adsorption members 2 with different polarities in a staggered mode. The polarity of the adsorption member 2 can be arranged in the order of one positive electrode and one negative electrode, or can be arranged in the period of the positive electrode, the negative electrode and the negative electrode, the step four is set according to the actual situation of the gas to be filtered, and when the gas contains charged particles, the step four can be added to improve the filtering effect.
As a preferred embodiment of the method, the part of the adsorption member 2 in the air inlet channel has three structures, namely a grid shape, a net shape and a dispersed point shape, and the adsorption members 2 with the three structures can be used independently or in a mixed way in the same gas filtering channel 1.
As shown in fig. 2, the lattice-shaped adsorption member 2 may be made of a wire-shaped conductor.
As shown in fig. 3, the lattice-shaped adsorption member 2 may be made of a columnar conductor 5.
As shown in fig. 4, the net-like suction member 2 may be formed by interweaving linear conductors.
As shown in fig. 5, the attraction members 2 in the form of dispersed dots are constituted by a plurality of block conductors 6, and the block conductors 6 are connected in series by a thin conductor.
The individual suction elements 2 are provided with at least one filter surface made of a conductive material, and in the case of grid-like suction elements 2, one suction element 2 can be a single-layer grid or a multi-layer grid.
As shown in fig. 6, the structure of the cleaning device 3 can be flexibly set according to the structure of the adsorption member 2, when the adsorption member 2 is in a grid shape made of the columnar conductors 5, a cleaning sliding sleeve 7 can be arranged on each columnar conductor 5, the adsorbed objects on the columnar conductors 5 can be cleaned through the sliding of the sliding sleeve, an ash collecting box 9 is arranged at the downstream of the cleaning sliding sleeve 7, and the adsorbed objects are cleaned into the ash collecting box 9 by the cleaning sliding sleeve 7.
When the adsorption component 2 is in a grid shape made of linear conductors, a brush 8 can be arranged on the adsorption component 2, the brush 8 can be arranged in the gas filtering channel 1 and also can be arranged outside the gas filtering channel 1, when the brush 8 is arranged in the gas filtering channel 1, the adsorbed substances on the adsorption component 2 can be cleaned through the movement of the brush 8, when the brush 8 is arranged outside the gas filtering channel 1, the adsorbed substances can be cleaned through the movement of the adsorption component 2, an ash collecting box 9 is arranged outside the gas filtering channel 1, and the particulate matters cleaned by the brush 8 are collected in the ash collecting box 9 so as to be removed.
When the adsorption members 2 are in a dispersed dot shape, a closed ash removal section 10 may be provided in the gas filtration channel 1 to clean the adsorption members 2 by means of shock, air blowing, or the like, and when the adsorption members 2 are moved out of the gas filtration channel 1 for cleaning, not all the adsorption members 2 move together, so as to ensure that enough adsorption members 2 are working.
As shown in fig. 7 and 8, as a preferred embodiment, the lattice-shaped adsorption member 2 is made of a single conductor wire 12, the conductor wire 12 is wound on two parallel rollers 11, the conductor wire 12 forms a two-layer lattice between the two rollers 11, the gas filtering channel 1 is sandwiched between the two rollers 11, the conductor wire 12 is connected to a winding device, when the conductor silk thread 12 in the air filtering channel 1 needs to be cleaned, the winding device pulls the conductor silk thread 12 to move the conductor silk thread 12 in the air filtering channel 1 to the outside of the air filtering channel 1 for cleaning, the conductor silk thread 12 originally positioned outside the air filtering channel 1 enters the air filtering channel 1 at the moment to continue filtering work, the winding device comprises a winding wheel 13 driven by a motor and an auxiliary steering wheel 14 for changing the trend of the conductor silk thread 12, and the power supply 4 can be connected to the auxiliary steering wheel 14.
The device for adsorbing the non-gaseous substances in the gas by using the static electricity comprises a gas filtering channel 1, wherein a plurality of planar adsorption components 2 which are sequentially arranged are arranged in the gas filtering channel 1, gaps are formed in the adsorption components 2, a power supply 4 for providing the static electricity for the adsorption components 2 is connected to the adsorption components 2, and the adsorption components 2 are connected with a cleaning device 3 for cleaning adsorbed substances on the adsorption components 2. The specific structures of the adsorption member 2 and the cleaning device 3 are the same as those described above, and will not be described again.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (2)
1. A method for electrostatically adsorbing a non-gaseous substance in a gas, comprising: the device comprises a gas filtering channel, wherein a plurality of planar adsorption components which are sequentially arranged are arranged in the gas filtering channel, gaps are formed in the adsorption components, a power supply for providing static electricity for the adsorption components is connected to the adsorption components, and the adsorption components are connected with a cleaning device for cleaning adsorbed substances on the adsorption components; the grid-shaped adsorption component is made of a single conductor silk thread, the conductor silk thread is wound on two parallel rollers, two layers of grids are formed between the two rollers by the conductor silk thread, the gas filtering channel is clamped between the two rollers, the conductor silk thread is connected with a winding device, and the cleaning device is arranged between the gas filtering channel and the rollers;
the method comprises the following steps:
step one, arranging a gas filtering channel, sequentially arranging a plurality of planar adsorption members in the channel, wherein the adsorption members are made of conductor materials, and gaps for gas to pass through are arranged on the adsorption members;
step two, the adsorption component is connected with a power supply to enable the adsorption component to be charged with static electricity, and the voltage of the adsorption component is high as much as possible under the condition that air ionization is not generated;
thirdly, enabling the gas to be filtered to flow through the gas filtering channel, adsorbing particles in the gas on the adsorption member through static electricity, and when substances on the adsorption member reach a certain degree, cleaning the adsorption member on line through a cleaning device;
when the conductor silk threads in the gas filtering channel need to be cleaned, the winding device pulls the conductor silk threads to move the conductor silk threads in the gas filtering channel to the outside of the gas filtering channel for cleaning, and new conductor silk threads are replaced in the gas filtering channel to work;
step four, enabling the adsorption members to carry static electricity with different polarities, and arranging the adsorption members with different polarities in a staggered mode; the part of the adsorption component in the air inlet channel has three shapes, namely a grid shape, a net shape and a dispersion point shape, and in the same air filtering channel, the grid-shaped adsorption component can be used alone, or the grid-shaped adsorption component and the net-shaped adsorption component are used in a mixed mode, or the grid-shaped adsorption component and the dispersion point-shaped adsorption component are used in a mixed mode, or the grid-shaped adsorption component, the net-shaped adsorption component and the dispersion point-shaped adsorption component are used in a mixed mode; the adsorption element is provided with at least one filter surface made of a conductive material.
2. The method of claim 1, wherein the method further comprises the steps of: the power supply connected with the adsorption component is high-voltage direct current or high-voltage pulse electricity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710904717.2A CN107470026B (en) | 2017-09-29 | 2017-09-29 | Method and device for adsorbing non-gaseous substances in gas by using static electricity |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710904717.2A CN107470026B (en) | 2017-09-29 | 2017-09-29 | Method and device for adsorbing non-gaseous substances in gas by using static electricity |
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| Publication Number | Publication Date |
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| CN107470026A CN107470026A (en) | 2017-12-15 |
| CN107470026B true CN107470026B (en) | 2021-01-05 |
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| CN201710904717.2A Active CN107470026B (en) | 2017-09-29 | 2017-09-29 | Method and device for adsorbing non-gaseous substances in gas by using static electricity |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1218024A (en) * | 1958-02-21 | 1960-05-06 | Messen Jaschin G A | Electrostatic filter |
| GB972599A (en) * | 1962-08-29 | 1964-10-14 | Merckle Karl | Apparatus for purification of gases |
| US3816980A (en) * | 1972-03-21 | 1974-06-18 | L Schwab | Electrostatic gas filters |
| CN2650000Y (en) * | 2003-08-28 | 2004-10-20 | 齐和 | Dust-removing air-disinfecting purifying device |
| CN200963362Y (en) * | 2006-09-20 | 2007-10-24 | 杨权 | Air sterilizing and purifying device |
| CN203935903U (en) * | 2014-05-23 | 2014-11-12 | 广西北流市红日紫砂陶瓷厂 | Dedusting filter screen for air purifier |
-
2017
- 2017-09-29 CN CN201710904717.2A patent/CN107470026B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1218024A (en) * | 1958-02-21 | 1960-05-06 | Messen Jaschin G A | Electrostatic filter |
| GB972599A (en) * | 1962-08-29 | 1964-10-14 | Merckle Karl | Apparatus for purification of gases |
| US3816980A (en) * | 1972-03-21 | 1974-06-18 | L Schwab | Electrostatic gas filters |
| CN2650000Y (en) * | 2003-08-28 | 2004-10-20 | 齐和 | Dust-removing air-disinfecting purifying device |
| CN200963362Y (en) * | 2006-09-20 | 2007-10-24 | 杨权 | Air sterilizing and purifying device |
| CN203935903U (en) * | 2014-05-23 | 2014-11-12 | 广西北流市红日紫砂陶瓷厂 | Dedusting filter screen for air purifier |
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| CN107470026A (en) | 2017-12-15 |
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Inventor after: Chen Yanghou Inventor after: Chen Sijia Inventor after: Chen Dandan Inventor after: Chen Peiyan Inventor after: Chen Yangguo Inventor after: Chen Yangbo Inventor before: Chen Sijia Inventor before: Chen Dandan Inventor before: Chen Peiyan Inventor before: Chen Yanghou Inventor before: Chen Yangguo Inventor before: Chen Yangbo |
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Effective date of registration: 20201126 Address after: 261000 No. 5147 Dongfeng East Street, Shandong, Weifang Applicant after: WEIFANG University Applicant after: Chen Sijia Address before: North District Community Jingyuan two wins and 257000 in Shandong city of Dongying province Shengli Petroleum Administration Bureau Applicant before: Chen Sijia |
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