Electric field unit and renewable efficient electric field device

Abstract

According to the electric field unit and the reproducible efficient electric field device, the electric field unit comprises a plurality of first poles and a plurality of second poles which are used for forming an electric field, the first poles and the second poles are flat plates, and the first poles and the second poles are arranged in a parallel and staggered mode. A gas flow channel allowing gas to pass through and conducting electric field treatment is formed between the first pole and the second pole, the end of the first pole is located in front of the second pole end, the first pole end is provided with a plurality of protrusions, and the gas sequentially flows through the protrusions, the first pole end and the second pole end.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of environmental protection, and relates to an electric field unit and a renewable and efficient electric field device. BACKGROUND

[0002] As people's environmental awareness is increasingly enhanced, the understanding and purification demand for pollutants in the air (including but not limited to oil fume, dust and VOCs) are also continuously improved. Therefore, more and better purification technologies are gradually installed and used in restaurant kitchens, factories and home environments. In these purification technologies, the electrostatic dust adsorption technology has a very popular application. The principle of the electrostatic dust adsorption technology is that the gas is ionized when passing through the electric field, and the particulate matters in the gas combine with the charged ions, and then move to the electrode with opposite polarity to the charged ions to be deposited. It can be seen that the particulate matter removal rate is related to the charging efficiency of the particulate matters. The core electric field is mostly composed of an adsorption plate and a cathode wire (discharge electrode) arranged in the adsorption plate. Therefore, the technology of the adsorption plate and the discharge electrode becomes the key to improving the particulate matter removal rate.

[0003] In the prior art, there is still the technical problem of poor particulate matter removal rate and purification effect after the discharge electrode and the discharge electrode are matched. SUMMARY

[0004] The purpose of the present application is to provide an electric field unit and a renewable and efficient electric field device to solve the above-mentioned problems in the prior art.

[0005] In order to solve the above-mentioned problems, according to one aspect of the present application, an electric field unit is provided, which comprises a plurality of first poles and a plurality of second poles for forming an electric field, the first poles and the second poles are both flat plates, the plurality of first poles and the plurality of second poles are arranged in parallel and staggered, a gas flow channel for passing the gas and performing the electric field treatment is formed between the first poles and the second poles, the end of the first pole is located before the end of the second pole, the end of the first pole is provided with a plurality of protrusions, and the gas flows through the protrusions, the end of the first pole and the end of the second pole in sequence.

[0006] In one example, the electric field unit satisfies one or more of the following conditions, and / or satisfies the following features: a first condition, the length of the protrusion is 5-35mm, a second condition, the distance of the orthographic projection between the end of the first pole and the end of the second pole is 3-30mm, and a first feature, the voltage between the first pole and the second pole is 6kv-18kv.

[0007] In one example, the electric field is a direct current electric field, the first pole is connected with the negative pole of a power supply, the second pole is connected with the positive pole of the power supply, the first pole is a discharge electrode, and the second pole is an adsorption electrode.

[0008] In one example, the first electrode and the second electrode are both metal plates.

[0009] In one example, a plurality of the protrusions are arranged in sequence at the end of the first electrode, perpendicular to the gas flow direction, and the thickness of the protrusions is the same as the thickness of the first electrode.

[0010] In one example, the protrusions are one or a combination of straight rod shape, needle shape, and cone shape.

[0011] In one example, the end of the protrusion is a pointed end.

[0012] According to one aspect of the present application, there is provided a renewable and efficient electric field device, comprising at least one electric field unit and a dust removal unit, the electric field unit being the electric field unit described above, the electric field unit comprising a discharge electrode and an adsorption electrode, and the dust removal unit having a contact piece in contact with the surface of the adsorption electrode for removing the adsorbed matter on the surface of the adsorption electrode.

[0013] In one example, a plurality of the electric field units are arranged in sequence along the gas flow direction.

[0014] In one example, the contact piece is a scraper in contact with the surface of the adsorption electrode for scraping the adsorbed matter on the surface of the adsorption electrode.

[0015] In one example, the scrapers are arranged on both sides of the adsorption electrode.

[0016] In one example, the scraper moves along the gas flow direction to scrape the adsorbed matter on the surface of the adsorption electrode, or the scraper moves perpendicular to the gas flow direction to scrape the adsorbed matter on the surface of the adsorption electrode.

[0017] In one example, the current between each group of discharge electrodes and adsorption electrodes is measured, and discharge inspection is performed for each group of discharge electrodes and adsorption electrodes, excessive current is connected with a resistor, and uniform discharge is achieved.

[0018] In one example, the dust removal unit has a contact piece in contact with the surface of the adsorption electrode for removing the adsorbed matter on the surface of the adsorption electrode. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a front view of the electric field device in an embodiment of the present application;

[0020] Figure 2 is a top view of the discharge electrode and the adsorption electrode in an embodiment of the present application;

[0021] Figure 3 is Figure 2 a B view. DETAILED DESCRIPTION

[0022] The preferred embodiments of the present application will be described in detail below with reference to the drawings. It should be understood that the embodiments shown in the drawings are only for illustrating the essential spirit of the technical solutions of the present application, and are not intended to limit the scope of the present application.

[0023] In the following description, for the purpose of explaining various disclosed embodiments, certain specific details are set forth in order to provide a thorough understanding of various disclosed embodiments. However, one skilled in the relevant arts will recognize that embodiments can be practiced without one or more of the specific details, or with other methods, components, materials, and so forth. In other instances, well-known structures, materials, or operations are not shown or described in detail in order to avoid obscuring the description of embodiments.

[0024] Reference throughout this specification to "an embodiment" or "the embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment. Thus, the appearances of the phrase "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics can be combined in any suitable manner in one or more embodiments.

[0025] In the following description, for the purpose of clarity, directional terms are used to describe the structure and working of the present application, but the words "front", "back", "left", "right", "outer", "inner", "outward", "inward", "up", "down", and the like, should be understood as convenient language and should not be construed as limiting words.

[0026] The present embodiment provides an electric field unit and device for improving the particle removal rate and purification effect of an electrostatic device.

[0027] Embodiment

[0028] As shown in Figure 1 The present embodiment provides an electric field device, which includes at least one electric field unit 10 and a dust removal unit 20. The electric field unit 10 includes a discharge electrode 11, an adsorption electrode 12, and a housing 13. The dust removal unit 20 has a contact piece 21 in contact with the surface of the adsorption electrode 12, for removing the adsorbed substances on the surface of the adsorption electrode 12.

[0029] In one example, the electric field device includes a plurality of electric field units 10, which are arranged in sequence along the direction of gas flow.

[0030] The electric field unit 10 comprises a plurality of first poles and a plurality of second poles for forming an electric field, in the embodiment, the first poles are discharge poles 11 and the second poles are adsorption poles 12. The first poles and the second poles are both flat plates, and the plurality of first poles and the plurality of second poles are arranged alternately, that is Figure 1 In the embodiment, from left to right, the discharge poles 11, the adsorption poles 12, the discharge poles 11, the adsorption poles 12, the discharge poles 11, the adsorption poles 12, the discharge poles 11, the adsorption poles 12, the discharge poles 11, and the adsorption poles 12 are arranged in sequence, and the adsorption poles 12 and the discharge poles 11 are arranged in parallel to each other, and a gas flow channel 14 for passing the gas and performing the electric field treatment is formed between the adsorption poles 12 and the discharge poles 11.

[0031] As shown in Figure 2 , Figure 3 , the end portion 111 of the discharge pole 11 is located in front of the end portion 121 of the adsorption pole 12, the end portion 111 of the discharge pole 11 is provided with a plurality of protrusions 112, and the gas flows in the direction A and sequentially flows through the protrusions 112, the end portion 111 of the discharge pole 11, and the end portion 121 of the adsorption pole 12.

[0032] In one example, the end portions 111 of all the discharge poles 11 are flush, and the end portions 121 of all the adsorption poles 12 are flush.

[0033] In one example, the end portions 111 of all the discharge poles 11 can be uneven, and the end portions 121 of all the adsorption poles 12 can be uneven.

[0034] Perpendicular to the direction A of the gas flow, as shown in Figure 3 , the plurality of protrusions 112 are sequentially arranged from top to bottom at the end portion 111 of the discharge pole 11, wherein the thickness of the protrusion 112 is the same as the thickness of the discharge pole 11.

[0035] In one example, the protrusions 112 are one or a combination of straight rod shape, needle shape, and cone shape.

[0036] In one example, the cross section of the protrusion 112 is one of circular, rectangular, prismatic, and trapezoidal.

[0037] In the embodiment, the end portion of the protrusion 112 is a sharp end, which makes the particle removal rate and the purification effect better.

[0038] When the electric field unit satisfies one or more of the following conditions and / or satisfies the following features, the particle removal rate and the purification effect of the electric field unit can reach the best level, the particle removal rate can reach 100%, that is, the particles are completely purified, the number of particles at the outlet of the electric field is zero, and the zero emission is truly achieved.

[0039] The first condition is that the length h of the protrusion 112 is 5-35 mm.

[0040] a second condition, a distance L between the end of the first electrode and the end of the second electrode in orthographic projection is 3-30mm;

[0041] a first feature, a voltage between the first electrode and the second electrode is 6kv-18kv.

[0042] In this embodiment, the electric field is a direct current electric field, the first electrode is connected with the negative pole of the power supply, the second electrode is connected with the positive pole of the power supply, the first electrode is a discharge electrode, and the second electrode is an adsorption electrode. The first electrode and the second electrode are both metal plates.

[0043] When the electric field works for a period of time, a large amount of particulate matters are adsorbed on the surface of the adsorption electrode 12, which will affect the dust removal efficiency and normal work of the electric field if not removed in time. Therefore, it is very important to automatically remove dust from the surface of the adsorption electrode 12 in time.

[0044] In this embodiment, the dust removal unit 20 has a plurality of contact pieces 21 which are connected into one body by connecting components so as to be able to move together. The contact piece 21 is a scraper which is in contact with the surface of the adsorption electrode 12 and is used to scrape the adsorbed matters on the surface of the adsorption electrode 12.

[0045] In this embodiment, the surface of the adsorption electrode 12 on both sides is provided with a scraper 21.

[0046] In one example, the scraper 21 moves along the flow direction A of the gas to scrape the adsorbed matters on the surface of the adsorption electrode 12.

[0047] In this embodiment, the scraper 21 is arranged along the flow direction A of the gas on the entire adsorption electrode 12 and moves perpendicularly to the flow direction A of the gas to scrape the adsorbed matters on the surface of the adsorption electrode 12.

[0048] According to one aspect of the present application, a manufacturing method of an electric field unit is provided, comprising the following steps:

[0049] The plurality of discharge electrodes 11 and the plurality of adsorption electrodes 12 are arranged in parallel and staggered with intervals, so that a gas flow channel 14 for passing the gas and performing the electric field treatment is formed between the discharge electrodes 11 and the adsorption electrodes 12, wherein the end of the discharge electrode 11 is provided with a plurality of protrusions 112,

[0050] The end 111 of the discharge electrode 11 is arranged in front of the end 121 of the adsorption electrode, and the gas flows through the protrusion 112, the end 111 of the discharge electrode and the end 121 of the adsorption electrode in sequence.

[0051] The electric field unit satisfies one or more of the following conditions and / or the following features:

[0052] The first condition is that the length h of the protrusion 112 is 5-35mm;

[0053] The second condition is that the orthogonal projection distance L between the end 111 of the discharge electrode and the end 121 of the adsorption electrode is 3-30mm,

[0054] The first feature is that the voltage between the discharge electrode 11 and the adsorption electrode 12 is 6kv-18kv.

[0055] In the embodiment, a current measuring mechanism is further included for measuring the current between each group of discharge electrode and adsorption electrode. In order to discharge uniformly, the current of each group is checked.

[0056] Due to the error of product manufacturing size, the discharge of each group of discharge electrode and adsorption electrode is checked, and the excessive current is adjusted by a series resistance, so that the discharge is uniform and the adsorption capacity is maximized.

[0057] In one example, a dust removal unit is included, which has a contact piece in contact with the surface of the adsorption electrode for removing the adsorbed objects on the surface of the adsorption electrode.

[0058] The embodiment has the following advantages:

[0059] The embodiment can improve the dust removal performance of the electric field, and can also improve the production rhythm, so that the production cost is lower and the efficiency is higher.

[0060] Further, the embodiment has a dust removal unit for automatically and timely removing the adsorbed objects on the surface of the adsorption electrode, so that the efficiency is higher.

[0061] The preferred embodiments of the utility model have been described in detail above, but it should be understood that after reading the above teaching content of the utility model, those skilled in the art can make various changes or modifications to the utility model. These equivalent forms also fall within the scope defined by the claims attached to the present application.

Claims

1. An electric field unit for electric field treatment of a gas, characterized in that The application relates to a renewable and high-efficiency electric field device. The electric field unit comprises: a plurality of first poles and a plurality of second poles for forming an electric field, the first poles and the second poles are flat plates, and the plurality of first poles and the plurality of second poles are arranged in parallel, a gas flow channel is formed between the first poles and the second poles for passing the gas and performing the electric field treatment, and the end of the first pole is located in front of the end of the second pole, the end of the first pole is provided with a plurality of protrusions, and the gas flows through the protrusions, the end of the first pole and the end of the second pole in sequence.

2. The electric field unit according to claim 1, wherein: the electric field unit satisfies one or more of the following conditions and / or the following features: a first condition, the length of the protrusion is 5-35mm, a second condition, the distance of the end of the first pole to the end of the second pole in orthographic projection is 3-30mm, a first feature, the voltage between the first pole and the second pole is 6kv-18kv.

3. The electric field unit according to claim 1, wherein: the electric field is a direct current electric field, the first pole is connected with the negative pole of a power supply, the second pole is connected with the positive pole of the power supply, the first pole is a discharge pole, and the second pole is an adsorption pole.

4. The electric field unit according to claim 1, wherein: the first pole and the second pole are both metal plates.

5. The electric field unit according to claim 1, wherein: a plurality of protrusions are arranged in sequence at the end of the first pole in the direction perpendicular to the gas flow, and the thickness of the protrusion is the same as the thickness of the first pole.

6. The electric field unit according to claim 5, wherein:

7. A regeneratively efficient electric field device, characterized by, the end of the protrusion is a pointed end. The application relates to a renewable and high-efficiency electric field device. The electric field unit comprises: at least one electric field unit and a dust removal unit, the electric field unit is the electric field unit according to any one of claims 1-6, and the electric field unit comprises a discharge pole and an adsorption pole, the dust removal unit is provided with a contact piece in contact with the surface of the adsorption pole, and the contact piece is used for removing the adsorbed matters on the surface of the adsorption pole.

8. The renewable and high-efficiency electric field device according to claim 7, wherein: the contact piece is a scraper, and the scraper is used for scraping the adsorbed matters on the surface of the adsorption pole.

9. The renewable and high-efficiency electric field device according to claim 8, wherein: the surfaces on both sides of the adsorption pole are provided with the scrapers, the scrapers are moved along the flow direction of the gas to scrape the adsorbed matters on the surface of the adsorption pole.

10. The renewable and high-efficiency electric field device according to claim 8, wherein: the surfaces on both sides of the adsorption pole are provided with the scrapers, the scrapers are moved perpendicular to the flow direction of the gas to scrape the adsorbed matters on the surface of the adsorption pole.

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