CN113426259A - Purifier for waste gas treatment based on plasma technology and use method thereof - Google Patents
Purifier for waste gas treatment based on plasma technology and use method thereof Download PDFInfo
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- CN113426259A CN113426259A CN202110695901.7A CN202110695901A CN113426259A CN 113426259 A CN113426259 A CN 113426259A CN 202110695901 A CN202110695901 A CN 202110695901A CN 113426259 A CN113426259 A CN 113426259A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/32—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by electrical effects other than those provided for in group B01D61/00
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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
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/74—Cleaning the electrodes
- B03C3/80—Cleaning the electrodes by gas or solid particle blasting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
- B01D2259/818—Employing electrical discharges or the generation of a plasma
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Abstract
The invention discloses a purifier for waste gas treatment based on a plasma technology and a using method thereof, relates to the technical field of environmental protection equipment, and solves the problem that the existing plasma purifying device is generally of a straight pipe structure, has an air flow path end and is difficult to ensure the evolution effect during the purification reaction time period; the purifying device main body also comprises a plasma purifying part and a dust removing part; the plasma purification component is fixedly arranged in the plasma purification part; and the electrostatic dust removal electrode plate is fixedly arranged in the dust removal part. The invention prolongs the flowing path of the gas by adopting a double-spiral structure, increases the reaction time of the gas, ensures thorough reaction, prolongs the dust removal path by adopting an S-shaped airflow path, improves the dust removal effect, has good dust removal capacity and soot blowing capacity, effectively prevents dust accumulation, ensures the adsorption capacity of the electrostatic dust removal electrode plate and improves the working efficiency.
Description
Technical Field
The invention relates to the technical field of environmental protection equipment, in particular to a purifier for waste gas treatment based on a plasma technology and a using method thereof.
Background
The plasma purification device bombards harmful gas molecules in gas by using plasma, so that the harmful gas molecules are ionized and dissociated, a series of complex physical and chemical reactions are further realized, complex macromolecular pollutants are converted into simple micromolecule safe substances, or toxic and harmful substances are converted into nontoxic harmless or low-toxic and low-harmful substances, and therefore, the gas is purified and generally used together with a dust removal device in the plasma purification device.
For example, application No.: the invention belongs to the technical field of air disinfection and purification, and particularly relates to a non-thermal plasma purification unit. The plasma reactor comprises a plasma reactor, a pulse power supply, a fan assembly, an air inlet, an air outlet, a power supply connector and a shell. A plurality of nickel-chromium metal wires or positive electrodes of metal belts are arranged in the reactor, and two ends of the positive electrodes are fixed in corresponding grooves or protrusions on the conductor rails for preventing micro-discharge; the pulse power supply is provided with a digital control circuit, an oscillator, an error amplifier and a PWM comparator are arranged in the digital control circuit, and the working current of the plasma reactor is converted into digital control current to control the output pulse width. The invention effectively prevents the micro-discharge phenomenon of the reactor, prolongs the service life, enhances the plasma concentration by high-voltage pulse current, improves the air disinfection and purification efficiency and saves energy. The device is widely applied to places with high cleanliness requirements, such as factory clean rooms, hospital operating rooms, isolation wards and the like; and can also be used for air disinfection and purification in places such as office buildings, movie theaters, trains, automobiles, subways and the like.
Based on the above, the existing plasma purification device is generally in a straight pipe structure, the air flow path end and the purification reaction time period are difficult to ensure the evolution effect, and meanwhile, dust is easy to gather on the polar plate during dust removal, so that the purification effect is poor and the dust removal effect is influenced; therefore, the existing requirements are not met, for which we propose a purifier for exhaust gas treatment based on plasma technology and a method for using the same.
Disclosure of Invention
The invention aims to provide a purifier for waste gas treatment based on a plasma technology and a using method thereof, and aims to solve the problems that the existing plasma purifying device proposed in the background technology is generally in a straight pipe structure, an air flow path end and a purifying reaction time period are difficult to ensure the evolution effect, and dust is easy to gather on a polar plate during dust removal, so that the purifying effect is poor and the dust removal effect is influenced.
In order to achieve the purpose, the invention provides the following technical scheme: a purifier for waste gas treatment based on plasma technology and a using method thereof comprise a purifying device main body;
the purifying device main body also comprises a plasma purifying part and a dust removing part;
the plasma purification component is fixedly arranged in the plasma purification part;
the electrostatic dust removal electrode plate is fixedly arranged inside the dust removal part;
the soot blowing assembly is fixedly arranged on the connecting part of the plasma purification part and the dust removal part;
the dust removal component is arranged above the interior of the dust removal part.
Preferably, the plasma purification assembly further comprises:
the plasma cathode component is of a tubular structure and is uniformly distributed and fixed inside the plasma purification part;
the plasma anode assembly is fixedly arranged in the plasma cathode assembly.
Preferably, the plasma cathode assembly further comprises:
the spiral negative plate is of a spiral structure and is fixedly connected inside the plasma negative assembly;
the plasma anode assembly further comprises:
the spiral anode plate is of a spiral structure and is fixedly connected to the outer side of the plasma anode assembly, and the spiral cathode plate and the spiral anode plate are installed in a staggered mode to form a double-spiral structure.
Preferably, the plasma anode assembly further comprises:
the plasma excitation assembly is provided with a plurality of groups, the plasma excitation assembly is uniformly distributed and fixed on the surface of the spiral anode plate, and the voltage between the spiral cathode plate and the spiral anode plate is 35-42 KV.
Preferably, the electrostatic precipitation electrode plates are arranged in a direction perpendicular to the flowing direction of the gas, and the anode plates and the cathode plates in the electrostatic precipitation electrode plates are arranged in a staggered manner, and the electrostatic precipitation electrode plates further comprise:
the gas flow ports are vertically formed and are uniformly distributed on the electrostatic dust collection electrode plates, and the gas flow ports between two adjacent groups of electrostatic dust collection electrode plates are S-shaped gas flow paths formed in a staggered mode.
Preferably, the ash removing component further comprises:
the ash removal connecting rods are arranged in six groups, each group of ash removal connecting rods consists of two pairs of ash removal connecting rods, each pair of ash removal connecting rods are connected through a cross hinge to form a shearing fork mechanism, the two pairs of ash removal connecting rods in the same group are connected end to form a two-stage shearing fork mechanism, the top of each ash removal connecting rod is connected with the purifying device main body,
the ash removal piece, the ash removal piece is provided with six groups altogether, and every group ash removal piece is installed respectively in the bottom of a set of deashing connecting rod.
Preferably, the ash removal part is positioned right above the gap between the two groups of electrostatic dust removal electrode plates, the left side and the right side of the ash removal part are both provided with brushes, and the brushes on the left side and the right side of the ash removal part are in surface contact with the electrostatic dust removal electrode plates.
Preferably, the ash removing component further comprises:
the ash removal driving part is fixedly connected to the upper part of the rear end face of the main body of the purification device and also comprises an ash removal driving lead screw which is coaxially and fixedly connected to a rotating shaft of the ash removal driving part;
deashing sliding block, deashing sliding block sliding connection are inboard at purifier main part top, and deashing drive lead screw constitutes screw nut transmission pair jointly with deashing sliding block screw drive connection, and the deashing sliding block is connected with a set of deashing connecting rod hinged at top.
Preferably, the soot blowing assembly further comprises:
the soot blowing valve assembly is of a selection valve structure and is arranged on a connecting channel of the plasma purification part and the dust removal part;
the soot blowing pipeline is arranged at the top of the soot blowing valve assembly, and the other end of the soot blowing pipeline is communicated with the top of the dust removing part;
the ash outlet is arranged at the bottom of the dust removing part.
Compared with the prior art, the invention has the beneficial effects that:
when the plasma purification device is used, gas enters the plasma purification part from the left side of the purification device main body, the gas flows from the cavity of the double-spiral structure between the spiral cathode plate and the spiral anode plate, electrons excited in the plasma excitation assembly form plasma in an electric field between the spiral cathode plate and the spiral anode plate to purify harmful gas, the flowing distance of the gas is increased through the double-spiral structure, and the reaction is ensured to be thorough; the gas after purification gets into the dust removal portion, flows in the S-shaped clearance between the electrostatic precipitator plate electrode, adsorbs the dust in the air current under the electrostatic action, realizes dust removal effect, and the gas after evolution is discharged from the right side of purifier main part.
When needs clear up electrostatic precipitator plate electrode, the deashing driving piece constitutes screw nut transmission pair jointly through being connected with deashing sliding block screw drive by deashing drive lead screw and drives the deashing sliding block horizontal slip, and the deashing sliding block drives the two-stage type that constitutes jointly by the deashing connecting rod and cuts fork mechanism and warp the up-and-down slip that realizes the deashing piece, realizes the deashing action.
After the deashing is accomplished, the action of soot blowing valve subassembly, the soot blowing valve subassembly cuts off between plasma purification portion and the dust removal portion, with plasma purification portion with blow the soot pipe switch-on, the air current in the plasma purification portion blows down from the top of dust removal portion through blowing the soot pipe, blows the ash clearance to electrostatic precipitator plate electrode and deashing spare, the dust of blowing down is in the gathering of ash outlet department and discharge through the ash outlet.
The invention prolongs the flowing path of the gas by adopting a double-spiral structure, increases the reaction time of the gas, ensures thorough reaction, increases the formation of airflow rotational flow by adopting an S-shaped airflow path, prolongs the dedusting path, improves the dedusting effect, has good deashing capacity and soot blowing capacity, effectively prevents dust accumulation, ensures the adsorption capacity of the electrostatic dedusting electrode plate, and improves the working efficiency.
Drawings
FIG. 1 is a schematic side view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic view of the inner axial side structure of the plasma purifying part according to the present invention;
FIG. 4 is a schematic sectional side view of the plasma cathode assembly and the plasma anode assembly of the present invention;
FIG. 5 is a schematic isometric cross-sectional view of a plasma anode assembly of the present invention;
FIG. 6 is a schematic isometric cross-sectional view of a plasma cathode assembly according to the present invention;
FIG. 7 is a schematic axial side view of the ash removal assembly of the present invention;
FIG. 8 is a schematic side view of a drive shaft of the ash removal member of the present invention;
FIG. 9 is a schematic axial view of an electrostatic precipitation electrode plate according to the present invention;
FIG. 10 is a schematic isometric cross-sectional view of an electrostatic precipitation electrode plate according to the present invention;
in the figure: 1. a purification device main body; 101. a plasma purifying section; 102. a soot blowing pipeline; 103. an ash outlet; 104. a dust removal part; 105. a soot blowing valve assembly; 2. a plasma purification assembly; 201. a plasma cathode assembly; 20101. a spiral cathode plate; 202. a plasma anode assembly; 20201. a helical anode plate; 20202. a plasma excitation assembly; 3. an electrostatic precipitation electrode plate; 301. a gas flow port; 4. a dust removal driving member; 401. a dust removal driving screw rod; 5. a ash removal sliding block; 6. a soot cleaning connecting rod; 7. and a dust removal member.
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 to 10, an embodiment of the present invention includes: a purifier for exhaust gas treatment based on plasma technology and a method for using the same, comprising a purifying device body 1;
the purifier body 1 also comprises a plasma purifying part 101 and a dust removing part 104;
the plasma purification component 2, the plasma purification component 2 is fixedly arranged in the plasma purification part 101;
the electrostatic dust removal electrode plate 3, the electrostatic dust removal electrode plate 3 is fixedly arranged inside the dust removal part 104;
the soot blowing component is fixedly arranged on the connecting part of the plasma purification part 101 and the dust removal part 104;
and the ash cleaning component is arranged above the inner part of the dust removing part 104.
Further, the plasma purification assembly 2 further comprises:
the plasma cathode assembly 201, the plasma cathode assembly 201 is a tubular structure, the plasma cathode assembly 201 is uniformly arranged and fixed inside the plasma purification part 101;
the plasma anode assembly 202, the plasma anode assembly 202 is fixedly installed in the interior of the plasma cathode assembly 201, and in use, gas flows from the pipeline between the plasma cathode assembly 201 and the plasma anode assembly 202.
Further, the plasma cathode assembly 201 further includes:
the spiral cathode plate 20101 is of a spiral structure, and the spiral cathode plate 20101 is fixedly connected inside the plasma cathode assembly 201;
the plasma anode assembly 202 further includes:
the spiral anode plate 20201 is in a spiral structure, the spiral anode plate 20201 is fixedly connected to the outer side of the plasma anode assembly 202, the spiral cathode plate 20101 and the spiral anode plate 20201 are installed in a staggered mode to form a double-spiral structure, in use, gas flows from a cavity of the double-spiral structure between the spiral cathode plate 20101 and the spiral anode plate 20201, the flowing distance of the gas is increased through the double-spiral structure, and the thorough reaction is guaranteed.
Further, the plasma anode assembly 202 further includes:
the plasma excitation assemblies 20202 are arranged, the plasma excitation assemblies 20202 are arranged in multiple groups, the plasma excitation assemblies 20202 are uniformly distributed and fixed on the surface of the spiral anode plate 20201, the voltage between the spiral cathode plate 20101 and the spiral anode plate 20201 is 35-42KV, and in use, electrons excited in the plasma excitation assemblies 20202 form plasma in an electric field between the spiral cathode plate 20101 and the spiral anode plate 20201 to purify harmful gas.
Further, electrostatic precipitator electrode board 3 is arranged for the flow direction of perpendicular to gas, and anode plate and negative plate staggered arrangement in electrostatic precipitator electrode board 3 constitute, and electrostatic precipitator electrode board 3 still includes:
the gas flow openings 301 and the gas flow openings 301 are vertically formed, the gas flow openings 301 are uniformly distributed and arranged on the electrostatic dust collection electrode plates 3, the gas flow openings 301 between two adjacent groups of electrostatic dust collection electrode plates 3 are S-shaped gas flow paths formed by staggered arrangement, in use, gas flows in S-shaped gaps between the electrostatic dust collection electrode plates 3, dust in the gas flows is adsorbed under the action of static electricity, and the dust collection effect is achieved.
Further, the deashing subassembly still includes:
the ash removal connecting rods 6 are arranged in six groups, each group of ash removal connecting rods 6 consists of two pairs of ash removal connecting rods 6, each pair of ash removal connecting rods 6 are connected through a cross hinge to form a scissor mechanism, the two pairs of ash removal connecting rods 6 in the same group are connected end to form a two-stage scissor mechanism, the top of each ash removal connecting rod 6 is connected with the purifying device main body 1,
the ash removal part 7, the ash removal part 7 is provided with six groups altogether, and every ash removal part 7 of group is installed respectively in the bottom of a set of deashing connecting rod 6, and in use, through the two-stage type of cutting the fork mechanism deformation that constitutes jointly by the deashing connecting rod 6 and realize the upper and lower slip of ash removal part 7, realize the deashing action.
Further, deashing piece 7 is located directly over two sets of electrostatic precipitator plate electrode 3's clearance, and the left and right sides of deashing piece 7 all sets up the brush, and the brush of the 7 left and right sides of deashing and the 3 surface contact of electrostatic precipitator plate electrode, in use, slide the realization from top to bottom when deashing piece 7 and clear up the dust on 3 surfaces of electrostatic precipitator plate electrode, guarantee the adsorption efficiency of electrostatic precipitator plate electrode 3, improve work efficiency.
Further, the deashing subassembly still includes:
the ash removal driving component 4 is fixedly connected to the upper part of the rear end face of the main body 1 of the purification device, the ash removal driving component 4 further comprises an ash removal driving screw 401, and the ash removal driving screw 401 is coaxially and fixedly connected to a rotating shaft of the ash removal driving component 4;
Further, the soot blowing assembly also comprises:
a soot blowing valve assembly 105, wherein the soot blowing valve assembly 105 is a selection valve structure, and the soot blowing valve assembly 105 is installed on a connecting channel of the plasma purification part 101 and the dust removal part 104;
a soot blowing pipe 102, the soot blowing pipe 102 being installed on the top of a soot blowing valve assembly 105, the other end of the soot blowing pipe 102 being communicated with the top of the dust removing part 104;
the ash outlet 103 is arranged at the bottom of the dust removing part 104, in use, when the interior of the dust removing part 104 needs to be subjected to ash blowing, the ash blowing valve assembly 105 acts, the ash blowing valve assembly 105 cuts off the space between the plasma purifying part 101 and the dust removing part 104, the plasma purifying part 101 is communicated with the ash blowing pipeline 102, airflow in the plasma purifying part 101 is blown down from the top of the dust removing part 104 through the ash blowing pipeline 102, the electrostatic dust removing electrode plate 3 and the ash removing part 7 are subjected to ash blowing and cleaning, and blown dust is gathered at the ash outlet 103 and is discharged through the ash outlet 103.
The working principle is as follows: when the plasma purification device is used, gas enters the plasma purification part 101 from the left side of the purification device main body 1, the gas flows from a cavity of a double-spiral structure between the spiral cathode plate 20101 and the spiral anode plate 20201, electrons excited in the plasma excitation assembly 20202 form plasma in an electric field between the spiral cathode plate 20101 and the spiral anode plate 20201 to purify harmful gas, the flowing distance of the gas is increased through the double-spiral structure, and the complete reaction is ensured; the purified gas enters the dust removing part 104, flows in the gap between the electrostatic dust removing electrode plates 3, adsorbs dust in the gas flow under the action of static electricity to realize the dust removing effect, and the evolved gas is discharged from the right side of the purifying device main body 1; when the electrostatic dust removal electrode plate 3 needs to be cleaned, the ash removal driving piece 4 is in threaded transmission connection with the ash removal sliding block 5 through the ash removal driving lead screw 401 to form a lead screw nut transmission pair together to drive the ash removal sliding block 5 to slide left and right, the ash removal sliding block 5 drives the two-stage type scissor mechanism formed by the ash removal connecting rods 6 to deform to realize the up-and-down sliding of the ash removal piece 7, and the ash removal action is realized; after the ash removal is completed, the ash blowing valve assembly 105 acts, the ash blowing valve assembly 105 cuts off the space between the plasma purification part 101 and the dust removal part 104, the plasma purification part 101 is communicated with the ash blowing pipeline 102, the airflow in the plasma purification part 101 is blown down from the top of the dust removal part 104 through the ash blowing pipeline 102, the electrostatic dust removal electrode plate 3 and the ash removal part 7 are subjected to ash blowing cleaning, and the blown dust is gathered at the ash outlet 103 and is discharged through the ash outlet 103.
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 (10)
1. Purifier and its application method for exhaust-gas treatment based on plasma technique, its characterized in that: the purifier comprises a purifying device main body (1);
the purification device main body (1) also comprises a plasma purification part (101) and a dust removal part (104);
the plasma purification component (2), the plasma purification component (2) is fixedly installed in the plasma purification part (101);
the electrostatic dust removal electrode plate (3), the electrostatic dust removal electrode plate (3) is fixedly arranged inside the dust removal part (104);
the soot blowing assembly is fixedly arranged above the connection part of the plasma purification part (101) and the dust removal part (104);
an ash removal assembly disposed above an interior of the dust removal portion (104).
2. The purifier for exhaust gas treatment based on plasma technology according to claim 1, characterized in that: the plasma purification component (2) further comprises:
the plasma cathode component (201), the plasma cathode component (201) is a tubular structure, and the plasma cathode component (201) is uniformly arranged and fixed in the plasma purification part (101);
the plasma anode assembly (202), the plasma anode assembly (202) is fixedly installed in the interior of the plasma cathode assembly (201).
3. The purifier for exhaust gas treatment based on plasma technology according to claim 2, characterized in that: the plasma cathode assembly (201) further comprises:
the spiral cathode plate (20101) is of a spiral structure, and the spiral cathode plate (20101) is fixedly connected to the inside of the plasma cathode assembly (201);
the plasma anode assembly (202) further comprises:
the spiral anode plate (20201) is of a spiral structure, the spiral anode plate (20201) is fixedly connected to the outer side of the plasma anode assembly (202), and the spiral cathode plate (20101) and the spiral anode plate (20201) are installed in a staggered mode to form a double-spiral structure.
4. The purifier for exhaust gas treatment based on plasma technology according to claim 2, characterized in that: the plasma anode assembly (202) further comprises:
the plasma excitation assemblies (20202) are arranged, the plasma excitation assemblies (20202) are arranged in multiple groups, the plasma excitation assemblies (20202) are uniformly distributed and fixed on the surface of the spiral anode plate (20201), and the voltage between the spiral cathode plate (20101) and the spiral anode plate (20201) is 35-42 KV.
5. The purifier for exhaust gas treatment based on plasma technology according to claim 1, characterized in that: the electrostatic precipitation electrode board (3) is arranged for the flow direction of perpendicular to gas, and the anode plate and the negative plate staggered arrangement in the electrostatic precipitation electrode board (3) constitute, and the electrostatic precipitation electrode board (3) still including:
the gas flow openings (301) are vertically formed, the gas flow openings (301) are uniformly distributed and arranged on the electrostatic dust collection electrode plates (3), and the gas flow openings (301) between two adjacent groups of electrostatic dust collection electrode plates (3) are S-shaped gas flow paths formed in a staggered mode.
6. The purifier for exhaust gas treatment based on plasma technology according to claim 1, characterized in that: the deashing subassembly still includes:
the ash removal connecting rods (6) are arranged in six groups, each group of ash removal connecting rods (6) is composed of two pairs of ash removal connecting rods (6), each pair of ash removal connecting rods (6) are connected through a cross hinge to form a scissor mechanism, the two pairs of ash removal connecting rods (6) in the same group are connected end to form a two-stage scissor mechanism, the top of each ash removal connecting rod (6) is connected with the purifying device main body (1),
the dust removing pieces (7) are arranged in six groups, and each group of dust removing pieces (7) are respectively arranged at the bottom of one group of dust removing connecting rods (6).
7. The purifier for exhaust gas treatment based on plasma technology according to claim 6, characterized in that: the dust removing part (7) is positioned right above the gap between the two groups of electrostatic dust removing electrode plates (3), the left side and the right side of the dust removing part (7) are both provided with brushes, and the brushes on the left side and the right side of the dust removing part (7) are in surface contact with the electrostatic dust removing electrode plates (3).
8. The purifier for exhaust gas treatment based on plasma technology according to claim 6, characterized in that: the deashing subassembly still includes:
the ash removal driving part (4), the ash removal driving part (4) is fixedly connected to the upper part of the rear end face of the purifying device main body (1), the ash removal driving part (4) further comprises an ash removal driving screw rod (401), and the ash removal driving screw rod (401) is coaxially and fixedly connected to a rotating shaft of the ash removal driving part (4);
deashing sliding block (5), deashing sliding block (5) sliding connection are inboard at purifier main part (1) top, and deashing drive lead screw (401) are connected with deashing sliding block (5) screw drive and constitute screw nut transmission pair jointly, and deashing sliding block (5) and a set of deashing connecting rod (6) hinged joint at top.
9. The purifier for exhaust gas treatment based on plasma technology according to claim 1, characterized in that: the soot blowing assembly further comprises:
the soot blowing valve assembly (105), the soot blowing valve assembly (105) is a selective valve structure, the soot blowing valve assembly (105) is installed on the connecting channel of the plasma purification part (101) and the dust removal part (104);
the soot blowing pipe (102), the soot blowing pipe (102) is installed on the top of the soot blowing valve assembly (105), and the other end of the soot blowing pipe (102) is communicated with the top of the dust removing part (104);
an ash outlet (103), wherein the ash outlet (103) is arranged at the bottom of the dust removing part (104).
10. Use of a purifier for exhaust gas treatment based on plasma technology according to claim 1, characterized in that: the method comprises the following steps:
during purification work:
1. gas enters a plasma purification part (101) from the left side of a purification device main body (1), the gas flows from a cavity of a double-spiral structure between a spiral cathode plate (20101) and a spiral anode plate (20201), electrons excited in a plasma excitation assembly (20202) form plasma in an electric field between the spiral cathode plate (20101) and the spiral anode plate (20201) to realize the purification of harmful gas;
2. the purified gas enters the dust removing part (104), flows in the gap between the electrostatic dust removing electrode plates (3), adsorbs dust in the gas flow under the action of static electricity, achieves the dust removing effect, and is discharged from the right side of the purifying device main body (1).
During the ash removal work:
1. when the electrostatic dust removal electrode plate (3) needs to be cleaned, the ash removal driving piece (4) is in threaded transmission connection with the ash removal sliding block (5) through the ash removal driving lead screw (401) to form a lead screw nut transmission pair together to drive the ash removal sliding block (5) to slide left and right, the ash removal sliding block (5) drives a two-stage type scissor mechanism formed by the ash removal connecting rods (6) to deform to realize the vertical sliding of the ash removal piece (7), and the ash removal action is realized;
2. after the ash removal is finished, the ash blowing valve assembly (105) is operated, the ash blowing valve assembly (105) cuts off the space between the plasma purification part (101) and the dust removal part (104), the plasma purification part (101) is communicated with the ash blowing pipeline (102), air flow in the plasma purification part (101) is blown down from the top of the dust removal part (104) through the ash blowing pipeline (102), the electrostatic dust removal electrode plate (3) and the ash removal part (7) are subjected to ash blowing and cleaning, and blown dust is gathered at the ash outlet (103) and is discharged through the ash outlet (103).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110695901.7A CN113426259A (en) | 2021-06-23 | 2021-06-23 | Purifier for waste gas treatment based on plasma technology and use method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110695901.7A CN113426259A (en) | 2021-06-23 | 2021-06-23 | Purifier for waste gas treatment based on plasma technology and use method thereof |
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| CN113426259A true CN113426259A (en) | 2021-09-24 |
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| CN202110695901.7A Withdrawn CN113426259A (en) | 2021-06-23 | 2021-06-23 | Purifier for waste gas treatment based on plasma technology and use method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115228611A (en) * | 2022-06-28 | 2022-10-25 | 南通全昂等离子体科技有限公司 | Plasma environment-friendly treatment device and system for eliminating harmful smoke |
| CN116984633A (en) * | 2023-09-25 | 2023-11-03 | 四川工程职业技术学院 | Purging device for 3D printing |
-
2021
- 2021-06-23 CN CN202110695901.7A patent/CN113426259A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115228611A (en) * | 2022-06-28 | 2022-10-25 | 南通全昂等离子体科技有限公司 | Plasma environment-friendly treatment device and system for eliminating harmful smoke |
| CN116984633A (en) * | 2023-09-25 | 2023-11-03 | 四川工程职业技术学院 | Purging device for 3D printing |
| CN116984633B (en) * | 2023-09-25 | 2023-12-22 | 四川工程职业技术学院 | Purging device for 3D printing |
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Application publication date: 20210924 |