CN217178625U - Collecting device and oil smoke clarification plant - Google Patents

Abstract

The application relates to the technical field of range hoods, in particular to a collecting device and oil smoke purifying equipment. The collecting device is arranged at the tail end of the flue gas channel and comprises a collecting module, and the collecting module comprises a plurality of collecting plates which are arranged at intervals; each collecting plate is arranged at an angle with the smoke through-flow direction of the smoke flow channel. The oil fume purification equipment comprises the collecting device. This collection device and this oil smoke clarification plant, every collecting plate all is the angle setting with the flue gas through-flow direction of flue gas runner, make the impact of pollutant particles such as oil smoke in the flue gas on the collecting plate, thereby pollutant particles such as to oil smoke have high viscidity, big quality and high inertial characteristics, especially carry out high-efficient seizure through the striking formula seizure principle to electrified well big particle size particulate matter in the flue gas, it is long when the extension is caught, further improve the efficiency of catching, and the inclination of collecting plate makes this collection device's clean maneuverability strong, be convenient for clean.

Description

Collecting device and oil smoke purifying equipment

Technical Field

The application relates to the technical field of range hoods, in particular to a collecting device and oil smoke purifying equipment.

Background

In order to avoid environment pollution caused by oil smoke discharge, the electrostatic field purification device comprises a shell and at least two high-voltage negative plates longitudinally arranged in the shell, and a trapping area is formed between every two adjacent high-voltage negative plates. The two high-voltage negative electrode plates for collection of the trapping region are parallel to each other and are parallel to the air duct.

On one hand, because the electrode plate is parallel to the air duct, namely parallel to the flow direction of the flue gas, pollutants in the flue gas only move to the electrode plate under the action of electric field force, and thus the pollutants are collected through the electrode plate;

on the other hand, the air passing area between the two high-voltage negative electrode plates for collection is small, so that the wind speed in the purification device is increased, the flowing speed of pollutants in the smoke is increased, the time for collecting actions of the electrode plates is shortened, the pollutants cannot be collected in time, and the collection efficiency of the smoke pollutants is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a collection device and oil smoke clarification plant to solve the current electrostatic field purifier who exists to a certain extent among the prior art and to the lower technical problem of entrapment efficiency of pollutant.

The application provides a collecting device, which is arranged at the tail end of a flue gas channel and comprises a collecting module, wherein the collecting module comprises a plurality of collecting plates arranged at intervals;

Each collecting plate is arranged at an angle to the smoke flowing direction of the smoke channel.

In the above technical scheme, further, the collection module still includes spacing post, spacing post wears to locate all the collecting plates, so that all the collecting plates are connected in order to fix a position.

In any of the above technical solutions, further, the material of the collecting plate includes a conductive material, and the collecting plate is electrically connected to the output electrode to charge the collecting plate;

the material of the limiting column comprises a conductive material, and the collecting plate is electrically connected with the output electrode through the limiting column;

the conductive material comprises a conductive metal or a conductive composite.

In any of the above technical solutions, further, the charging electrical properties of all the collecting plates of the collecting module are the same or are alternatively changed.

In any of the above technical solutions, further, when the charging electrical properties of all the collecting plates are alternately changed, the collecting plates include first collecting plates and second collecting plates, and the first collecting plates and the second collecting plates are alternately arranged;

the number of the limiting columns is not less than two, all the limiting columns comprise first limiting columns and second limiting columns, the first collecting plate is electrically connected with the first output electrode through the first limiting columns, the second collecting plate is electrically connected with the second output electrode through the second limiting columns, and the first output electrode and the second output electrode are different in electrical property.

In any one of the above technical solutions, further, the first limiting column and the second limiting column are arranged in parallel, and a distance between the first limiting column and the second limiting column is not less than 20 mm.

In any of the above technical solutions, further, all the collecting plates of the collecting module are parallel to each other, a distance between adjacent collecting plates is a predetermined safety distance, and the predetermined safety distance is not less than 3 mm.

In any of the above technical solutions, further, the collecting device includes a plurality of collecting modules arranged at intervals along the smoke through-flow direction.

In any of the above technical solutions, further, when the electrical properties of all the collecting plates of two adjacent collecting modules are the same, the distance between the two collecting modules is not less than the predetermined safety distance;

under the condition that the electrical property of all the collecting plates of the two collecting modules is changed alternately, the distance between the two collecting modules is not less than twice of the preset safety distance.

In any of the above technical solutions, further, an included angle between the collecting plates of adjacent collecting modules is not less than 90 °;

The included angle between the collecting plates of the adjacent collecting modules is not more than 180 degrees.

In any of the above technical solutions, further, the collecting module located at the foremost end of all the collecting modules along the smoke through-flow direction is defined as an upwind collecting module;

an included angle between a collecting plate of the windward collecting module and the smoke through-flow direction is not less than 10 degrees;

the included angle between the collecting plate of the windward collecting module and the smoke through-flow direction is not more than 80 degrees.

The application also provides oil smoke clarification plant, including above-mentioned any technical scheme collection device.

Compared with the prior art, the beneficial effect of this application is:

the application provides a collection device is including collecting the module, collects the module and includes the multi-disc collecting board that the interval set up, forms the collecting channel who is linked together with flue gas runner's end between the adjacent collecting board to make the flue gas in the flue gas runner can flow into in the collecting channel. Every collecting plate all is the angle setting with the flue gas through-flow direction of flue gas runner for pollutant particles such as oil smoke in the flue gas bump on the collecting plate, thereby have high viscidity, big quality and high inertial characteristics to pollutant particles such as oil smoke, especially catch the principle through the striking formula to electrified medium and large particle size particulate matter in the flue gas and carry out high-efficient the seizure.

In this process, because be the contained angle between the through-flow direction of collecting the passageway and the through-flow direction of flue gas runner to this collection module can play the deceleration to the velocity of flow of flue gas, and the length is long when the extension is caught, further improves and catches efficiency.

Meanwhile, the inclination angle of the collecting plate is matched with the water flushing operation angle and the brushing operation angle, so that the collecting device is high in cleaning operability and convenient to clean.

The application provides an oil smoke clarification plant, including foretell collection device, therefore can realize all beneficial effect of this collection device.

Drawings

In order to more clearly illustrate the detailed description of the present application or the technical solutions in the prior art, the drawings used in the detailed description or the prior art description 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 collecting module of a collecting device according to an embodiment of the present disclosure;

FIG. 2 is a schematic view of a first structure of a collecting device according to an embodiment of the present disclosure;

Fig. 3 is a second structural schematic diagram of a collecting device according to an embodiment of the present application;

fig. 4 is a schematic view of a third structure of a collecting device according to an embodiment of the present application.

Reference numerals are as follows:

1-a collection module; 10-a collection plate; 11-limiting column.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example one

Referring to fig. 1 to 4, an embodiment of the present application provides a collecting device, which is configured at a tail end of a flue gas flow channel, so as to collect pollutant particles in flue gas in the flue gas flow channel, especially pollutant particles with medium and large particle size, charged soot, and the like.

Referring to fig. 1 to 4, fig. 1 is a schematic structural diagram of a collecting module of the collecting device provided in this embodiment, and the diagram simply shows the structure of a collecting plate 10 and the connection relationship between the collecting plate 10 and a limiting column; fig. 2 is a schematic view of a first structure of the collecting device provided in this embodiment, specifically illustrating a case where the collecting device includes a collecting module; fig. 3 is a second schematic structural diagram of the collecting device provided in this embodiment, specifically illustrating a case where the collecting device includes two collecting modules; fig. 4 is a schematic diagram of a third structure of the collecting device provided in this embodiment, specifically illustrating the relative position relationship between two collecting modules, wherein the flue gas through-flow direction of the flue gas channel is indicated by an arrow.

Referring to fig. 1 to 4, the collecting device provided in the present embodiment includes a collecting module 1.

The collecting module 1 comprises a plurality of collecting plates 10 arranged at intervals, in other words, the collecting module 1 comprises two, three or more collecting plates 10 arranged at intervals, and a collecting channel is formed between every two adjacent collecting plates 10, so that the flue gas can enter the collecting channel through the flue gas flow channel.

The collecting plate 10 is arranged at an angle with the smoke flowing direction of the smoke flowing channel, that is, the collecting plate 10 is not parallel to the smoke flowing direction, the mass of pollutant particles such as oil smoke, especially medium and large particles (the particle size is larger than 1.0 μm), is large, the inertia is large, the pollutant particles are easy to directly impact on the collecting plate 10 which is at an angle with the smoke flowing direction, after the pollutant particles are impacted on the collecting plate 10, the pollutant particles such as oil smoke can be directly adhered to the surface of the collecting plate 10 due to the self high viscosity, and therefore the efficient collection of the pollutant particles such as oil smoke is completed.

It is emphasized that the collecting plate 10 may be electrically connected or not, wherein when the collecting plate 10 is not electrically connected, the particles of the oil smoke and the like are collected by the impact and adhesion between the particles of the oil smoke and the collecting plate 10. The case where the collecting plate 10 is powered up is described in detail below.

Alternatively, the collecting sheet 10 may be a flat sheet, a corrugated sheet, a folded sheet or a corrugated sheet.

In addition, the collection device in the prior art is under the condition that the space between the electrode plates is narrow and has large depth, and is usually washed by a high-pressure water gun, and the washing is limited by an angle and is often not clean; or a stick-type long brush (similar to a small feather duster) is stretched into the plate to perform side pressure sliding brushing, so that the cleaning is labor-consuming and time-consuming, and the effect is poor.

And this collection device's collection module 1 is certain angle setting with the through-flow direction of collecting plate 10 and flue gas runner, is the slope setting for placing the plane, sets up the angle and washes the angle phase-match, so wash with water-washed or brush, all can be easier contact the surface of the collecting plate 10 that needs the washing, convenient washing. And the limit condition of the brush is reduced, only the brush is needed, the form of the cleaning tool is not limited, the use mode of the cleaning tool is not limited, and the limit on the water flushing angle is reduced.

In addition, just because this collection efficiency of collecting module 1 is high, so can correspondingly shorten and collect module 1 along the length of flue gas through-flow direction for this clearance degree of collecting module 1 shortens, has also improved the convenience and the clean degree of clearance.

In this embodiment, in order to facilitate the connection and the positioning of a plurality of collecting plates 10, the collecting module 1 further includes a limiting column 11, the limiting column 11 penetrates through all the collecting plates 10, and the limiting column 11 is connected with each collecting plate 10, so that all the collecting plates 10 are sequentially connected in a positioning manner.

In an alternative of this embodiment, the material of the collecting plate 10 includes a conductive material, and the collecting plate 10 is electrically connected to the output electrode to charge the collecting plate 10. The collecting device having such a structure is suitable for collecting and treating charged soot and other pollutant particles, and specifically, the electric field of the collecting plate 10 itself or the electric field formed by the adjacent collecting plates 10 together can collect charged soot and other pollutant particles.

Each collecting plate 10 may be electrically connected to the output motor through a conductor, or a plurality of collecting plates 10 may be electrically connected to the output electrode through the same conductor, as long as each collecting plate 10 can be charged as required, which is within the scope of the present disclosure.

In this embodiment, in order to facilitate charging of the collecting plate 10, simplify the structure and improve the charging safety, the material of the limiting posts 11 includes a conductive material, and the collecting plate 10 is electrically connected to the output electrodes through the limiting posts 11, that is, the charges output by the output electrodes are transmitted to the collecting plate 10 in contact with the limiting posts 11 through the limiting posts 11, so that the collecting plate 10 is charged.

Wherein the conductive material comprises a conductive metal, such as iron, nickel, tungsten, aluminum, or the like, it is understood that alloys having conductivity are also within the scope of the above-described conductive metal.

Alternatively, the conductive material includes a conductive composite material such as a conductive plastic, a conductive rubber, a conductive paint, a conductive fiber, a conductive adhesive, a conductive ink, or the like.

In an alternative of this embodiment, the charging characteristics of all the collecting plates 10 of the collecting module 1 are the same or are alternately changed.

In the present embodiment, when the charging characteristics of all the collecting plates 10 of the collecting module 1 are the same, the charging densities of the adjacent collecting plates 10 are the same or different.

Under the condition that the charge densities of the adjacent collecting plates 10 are the same, under the action of the electric field of the collecting plates 10, pollutant particles such as oil smoke with different charges move towards the collecting plates 10, so that the adsorption and collection effects on the pollutant particles are achieved, and the collecting efficiency of the pollutant particles is improved.

Under the condition that the charge densities of the adjacent collecting plates 10 are different, a collecting electric field pointing to the collecting plate 10 with lower electric potential is formed between the adjacent collecting plates 10, so that pollutant particles such as oil smoke move to one of the collecting plates 10 under the action of the collecting electric field, and the collecting efficiency of the pollutant particles such as the oil smoke is improved.

In the case where the charging properties of all the collecting plates 10 of the collecting module 1 are changed alternately, every two adjacent collecting plates 10 are charged with positive and negative electricity, or charged with positive electricity and grounded, or charged with negative electricity and grounded, respectively. Therefore, a collecting electric field pointing to the collecting plate 10 with lower electric potential is formed between the two collecting plates 10, and the collecting efficiency of pollutant particles such as oil smoke is improved.

In this embodiment, under the condition that the charge electrical properties of all the collecting plates 10 of the collecting module 1 are the same, at least one of the limiting posts 11 of the collecting module 1 can conduct electricity and conduct the positive output electrode or the negative output electrode.

In the present embodiment, when the charging electrical properties of all the collecting plates 10 of one collecting module 1 are changed alternately, the collecting plates 10 include first collecting plates 10 and second collecting plates 10, and the first collecting plates 10 and the second collecting plates 10 are arranged alternately. Wherein, when the collecting module 1 only includes two collecting plates 10, the two collecting plates 10 are respectively a first collecting plate 10 and a second collecting plate 10.

The number of the limiting columns 11 is not less than two, all the limiting columns 11 comprise first limiting columns and second limiting columns, the first collecting plate 10 is electrically connected with the first output electrode through the first limiting columns, the second collecting plate 10 is electrically connected with the second output electrode through the second limiting columns, and the first output electrode and the second output electrode are different in electrical property. That is, the first position-limiting columns are only in contact with and conducted with the first collecting plate 10, and the second position-limiting columns are only in contact with and conducted with the second collecting plate 10, so that the alternate charging of the different charges of the collecting module 1 is realized through a simple and safe structure.

The first output electrode is a positive output electrode, the second output electrode is a negative output electrode, so that the first collecting plate 10 and the first limiting column are positively charged, and the second collecting plate 10 and the second limiting column are negatively charged; or, the first output electrode is a positive output electrode, so that the first collecting plate 10 and the first limiting column are positively charged, and the second collecting plate 10 and the second limiting column are uncharged; the second output electrode is the ground, or, the first output electrode is negative output electrode, and the second output electrode is the ground for first collecting plate 10 and first spacing post are the burden electricity, and second collecting plate 10 and the spacing post of second are uncharged.

In this embodiment, in order to reduce the creepage risk between first spacing post and the second spacing post, first spacing post and the parallel arrangement of second spacing post, the distance of first spacing post and the spacing post of second is not less than 20 mm. For example, the distance between the first and second position-limiting pillars is 20mm, 25mm or 30mm, and the specific value is determined according to the voltage and voltage difference of the output electrodes connected to the first and second position-limiting pillars.

In an alternative of this embodiment, all the collecting plates 10 of the collecting module 1 are parallel to each other, and the voltage difference between two adjacent collecting plates 10 generally needs to reach more than 4000V, so as to avoid the occurrence of the sparking phenomenon between two adjacent collecting plates 10, it is necessary to maintain the two collecting plates 10 at a predetermined safety distance S5, and the predetermined safety distance S5 is not less than 3 mm.

In the alternative of this embodiment, collection device includes a plurality of collection modules 1 that arrange along flue gas through-flow direction interval to realize the multiple collection to pollutant particles such as oil smoke in the flue gas through a plurality of collection modules 1, improve the purification efficiency to the oil smoke.

Alternatively, the collecting device includes two, three or more collecting modules 1, and in general, the specific number may be determined by comprehensively considering the requirements for the oil smoke purifying degree and the angles such as the volume.

In an alternative of this embodiment, in order to improve the electrical safety and reliability of the collecting device, the distance S6 between adjacent collecting modules 1 in the collecting device is defined, which is electrically influenced by the collecting plates 10 in the collecting modules 1.

Specifically, two adjacent collection modules 1 are defined as a first collection module and a second collection module, respectively.

In the case where the electrical characteristics of all the collecting plates 10 of the first collecting module are the same and the electrical characteristics of all the collecting plates 10 of the second collecting module are the same, the distance S6 between the first collecting module and the second collecting module is not less than the predetermined safety distance S5.

In this case, the electrical property of the collecting plate 10 of the first collecting module is the same as the electrical property of the collecting plate 10 of the second collecting module, and the electrical property of the collecting plate 10 of the first collecting module is different from the electrical property of the collecting plate 10 of the second collecting module.

In both specific cases, the maximum possible voltage difference between the collecting plates 10 of the first collecting module and the collecting plates 10 of the second collecting module is not less than 4000v, so it is necessary to ensure that the distance S6 between the first collecting module and the second collecting module is not less than the predetermined safety distance S5.

In the case where the electrical characteristics of all the collecting plates 10 of the first and second collecting modules are alternately changed, the maximum voltage difference that can be formed between the collecting plates 10 of the first and second collecting modules 10 is not less than 8000v, and accordingly, it is necessary to ensure that the distance S6 between the first and second collecting modules is not less than twice the predetermined safety distance S5.

In an alternative of this embodiment, the included angle K between the collecting plates 10 of adjacent collecting modules 1 is not less than 90 °, the included angle K between the collecting plates 10 of adjacent collecting modules 1 is not more than 180 °, for example, the included angle K between the collecting plates 10 of adjacent collecting modules 1 is 95 °, 100 °, 120 °, 135 °, 160 ° or the like.

The collecting plate 10 of adjacent collection module 1 is reverse angle, gets into second collection module 1 at pollutant particles such as oil smoke, and the contained angle is bigger, and the angle is more than the convertible angle of small particle diameter oil smoke pollutant particle, and the striking effect is better, carries out striking formula and collects, realizes collecting the purification to full particle diameter section pollutant particle.

In this embodiment, the collecting module 1 located at the foremost end along the smoke flowing direction among all the collecting modules 1 is defined as an upwind collecting module.

The included angle H between the collecting plate 10 of the windward collecting module and the smoke through-flow direction is not less than 10 degrees, so that the included angle is large enough, and the collision probability of pollutant particles such as oil smoke and the like and the collecting plate 10 is improved.

The angle H between the collecting plate 10 of the windward collecting module and the smoke through-flow direction is not more than 80 degrees, the wind resistance is reduced, and the smoke is prevented from smoothly flowing into the collecting plate 10 due to the overlarge wind resistance, so that the collecting efficiency of pollutant particles such as oil smoke is improved.

Optionally, an included angle G between the collecting plate 10 of the collecting module 1 adjacent to the windward collecting module and the opposite direction of the smoke through-flow direction is defined to be not less than 10 ° and not more than 80 °, and the included angle H and the included angle G may be the same or different, as long as the requirement that the included angle K formed between the two satisfies not less than 90 ° and not more than 180 ° is satisfied.

Example two

The second embodiment provides a lampblack purification device, the second embodiment comprises the collecting device in the first embodiment, the technical characteristics of the collecting device disclosed in the first embodiment are also applicable to the second embodiment, and the technical characteristics of the collecting device disclosed in the first embodiment are not described repeatedly.

The lampblack purification equipment in the embodiment has the advantages of the collecting device in the first embodiment, and the advantages of the collecting device disclosed in the first embodiment are not described repeatedly.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention. Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, any of the claimed embodiments may be used in any combination. The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.

Claims (11)

1. The collecting device is characterized by being arranged at the tail end of a flue gas channel and comprising a collecting module, wherein the collecting module comprises a plurality of collecting plates arranged at intervals;

each collecting plate is arranged at an angle to the smoke through-flow direction of the smoke flow channel;

the collecting module further comprises a limiting column, wherein the limiting column penetrates through all the collecting plates, so that all the collecting plates are sequentially connected in a positioning mode.

2. The collecting device according to claim 1, wherein the material of the collecting plate comprises a conductive material, and the collecting plate is electrically connected with an output electrode to charge the collecting plate;

the material of the limiting column comprises a conductive material, and the collecting plate is electrically connected with the output electrode through the limiting column;

the conductive material comprises a conductive metal or a conductive composite.

3. The collecting device according to claim 2, wherein the charging of all the collecting plates of the collecting module is the same or alternatively changed.

4. The collecting device according to claim 3, wherein in the case that the charging property of all the collecting plates is changed alternately, the collecting plates comprise a first collecting plate and a second collecting plate, and the first collecting plate and the second collecting plate are arranged alternately;

The number of the limiting columns is not less than two, all the limiting columns comprise first limiting columns and second limiting columns, the first collecting plate is electrically connected with the first output electrode through the first limiting columns, the second collecting plate is electrically connected with the second output electrode through the second limiting columns, and the first output electrode and the second output electrode are different in electrical property.

5. The collecting device as claimed in claim 4, wherein the first and second limiting columns are arranged in parallel, and the distance between the first and second limiting columns is not less than 20 mm.

6. The collecting device according to claim 2, wherein all the collecting plates of the collecting module are parallel to each other, and the distance between the adjacent collecting plates is a predetermined safety distance, and the predetermined safety distance is not less than 3 mm.

7. The collecting device according to claim 6, wherein the collecting device comprises a plurality of collecting modules arranged at intervals in the through-flow direction of the flue gas.

8. The collecting device according to claim 7, wherein in a case where all the collecting plates of two adjacent collecting modules have the same electrical property, the distance between the two collecting modules is not less than the predetermined safety distance;

In the case where the electrical properties of all the collecting plates of the two collecting modules are alternately changed, the distance between the two collecting modules is not less than twice the predetermined safety distance S5.

9. The collecting device according to claim 7, wherein the angle between the collecting plates of adjacent collecting modules is not less than 90 °;

the included angle between the collecting plates of the adjacent collecting modules is not more than 180 degrees.

10. The collecting device according to claim 8, wherein the collecting module at the foremost end in the smoke through-flow direction of all the collecting modules is defined as an upwind collecting module;

an included angle between a collecting plate of the windward collecting module and the smoke through-flow direction is not less than 10 degrees;

the angle between the collecting plate of the windward collecting module and the smoke through-flow direction is not more than 80 degrees.

11. An oil fume purification apparatus, characterized by comprising a collection device according to any one of claims 1 to 10.

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