CN105107630A - Electrostatic precipitator - Google Patents
Electrostatic precipitator Download PDFInfo
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Abstract
本发明涉及除尘器技术领域，特别涉及一种静电除尘器，包括：放电电极、高压直流电源、空气过滤网及排气系统。放电电极为网状结构，放电电极与高压直流电源的一端连接。空气过滤网为褶皱的网状结构，空气过滤网与放电电极相对设置，空气过滤网与高压直流电源的另一端连接，放电电极与空气过滤网之间形成电场。排气系统设置在空气过滤网的后侧。本发明提供的静电除尘器，在不改变空气过滤网占用空间长度的前提下增大了空气过滤网的表面积，提高了静电除尘器的集尘效率，避免了通过增加空气过滤网尺寸提高集尘效率而导致的静电除尘器体积、重量以及成本增加的问题，同时也避免了通过提高电场强度提高集尘效率而导致的大量排放有害气体的问题。
The invention relates to the field of dust remover technology, in particular to an electrostatic dust remover, which includes a discharge electrode, a high-voltage direct current power supply, an air filter and an exhaust system. The discharge electrode has a mesh structure, and the discharge electrode is connected to one end of the high-voltage direct current power supply. The air filter has a pleated mesh structure, the air filter is set opposite to the discharge electrode, the air filter is connected to the other end of the high-voltage direct current power supply, and an electric field is formed between the discharge electrode and the air filter. The exhaust system is arranged on the rear side of the air filter. The electrostatic precipitator provided by the present invention increases the surface area of the air filter without changing the length of the space occupied by the air filter, improves the dust collection efficiency of the electrostatic precipitator, and avoids increasing the dust collection efficiency by increasing the size of the air filter. The volume, weight and cost of the electrostatic precipitator increase due to the efficiency of the electrostatic precipitator, and at the same time avoid the problem of a large amount of harmful gas emission caused by improving the dust collection efficiency by increasing the electric field strength.
Description
技术领域technical field
本发明涉及除尘器技术领域，特别涉及一种静电除尘器。The invention relates to the technical field of dust collectors, in particular to an electrostatic dust collector.
背景技术Background technique
普通静电除尘器的工作原理是利用高压直流不均匀电场使烟气中的气体分子电离，产生大量电子和离子，电子和离子在电场力的作用下向两极移动，在移动过程中碰到气流中的粉尘颗粒使其荷电，荷电粉尘在电场力作用下与气流分离向极性相反的集尘板或放电电极运动，荷电粉尘到达集尘板或放电电极时由静电力吸附在集尘板或放电电极上，使烟气净化。静电除尘技术由于风阻小，除尘效率高，已经得到了广泛应用。为了提高静电除尘器的集尘效率，往往通过扩大集尘板的尺寸或增加静电的电场强度来实现。扩大集尘板的尺寸会导致除尘器的体积、重量和成本急剧增加，增加电场强度会导致有害气体(如臭氧O3、NOX)急剧增加。The working principle of ordinary electrostatic precipitator is to use high-voltage DC uneven electric field to ionize the gas molecules in the flue gas to generate a large number of electrons and ions. Under the action of the electric field force, the charged dust is separated from the airflow and moves to the dust collection plate or discharge electrode with the opposite polarity. When the charged dust reaches the dust collection plate or discharge electrode, it is adsorbed on the dust collection plate by electrostatic force. plate or discharge electrode to purify the flue gas. Electrostatic dust removal technology has been widely used due to its small wind resistance and high dust removal efficiency. In order to improve the dust collection efficiency of the electrostatic precipitator, it is often achieved by enlarging the size of the dust collecting plate or increasing the electric field strength of the electrostatic precipitator. Enlarging the size of the dust collection plate will lead to a sharp increase in the volume, weight and cost of the dust collector, and increasing the electric field strength will lead to a sharp increase in harmful gases (such as ozone O 3 , NO X ).
发明内容Contents of the invention
本发明实施例通过提供一种静电除尘器，解决了现有技术中为提高静电除尘器的集尘效率而导致的除尘器体积、重量和成本大幅提高以及有害气体大幅产生的技术问题，在提高除尘器效率的前提下，降低了除尘器的体积、重量以及成本，减少了有害气体的产生。The embodiment of the present invention provides an electrostatic precipitator, which solves the technical problems in the prior art that the volume, weight and cost of the precipitator are greatly increased and the harmful gas is greatly increased in order to improve the dust collection efficiency of the electrostatic precipitator. Under the premise of the efficiency of the dust collector, the volume, weight and cost of the dust collector are reduced, and the generation of harmful gases is reduced.
本发明实施例提供了一种静电除尘器，包括：放电电极、高压直流电源、空气过滤网及排气系统。An embodiment of the present invention provides an electrostatic precipitator, including: a discharge electrode, a high-voltage DC power supply, an air filter, and an exhaust system.
所述放电电极为网状结构，所述放电电极与所述高压直流电源的一端连接；所述空气过滤网为褶皱结构，所述空气过滤网与所述放电电极相对设置，所述空气过滤网与所述高压直流电源的另一端连接，所述放电电极与所述空气过滤网之间形成电场。The discharge electrode is a mesh structure, and the discharge electrode is connected to one end of the high-voltage DC power supply; the air filter is a pleated structure, and the air filter is arranged opposite to the discharge electrode. It is connected with the other end of the high-voltage direct current power supply, and an electric field is formed between the discharge electrode and the air filter.
所述排气系统设置在所述空气过滤网的后侧，在所述排气系统的作用下，带粉尘的空气流从所述放电电极进入所述电场，所述粉尘经过所述放电电极时带电，并在电场力的作用下吸附在所述空气过滤网上，除尘后的所述空气流经所述空气过滤网及所述排气系统排出。The exhaust system is arranged on the rear side of the air filter, and under the action of the exhaust system, the air flow with dust enters the electric field from the discharge electrode, and when the dust passes through the discharge electrode Charged, and adsorbed on the air filter under the action of the electric field force, the air after dust removal flows through the air filter and the exhaust system to be discharged.
进一步地，还包括：外壳及底板；所述底板固定在所述外壳内部，所述放电电极、高压直流电源、空气过滤网及所述排气系统固定在所述底板上。Further, it also includes: a shell and a bottom plate; the bottom plate is fixed inside the shell, and the discharge electrode, high-voltage direct current power supply, air filter and the exhaust system are fixed on the bottom plate.
进一步地，所述外壳的前侧设置有空气入口，所述放电电极与所述空气入口相对设置；所述外壳的后侧设置有空气出口，所述排气系统与所述空气出口相对设置；所述空气入口与所述空气出口相对设置。Further, an air inlet is provided on the front side of the casing, and the discharge electrode is arranged opposite to the air inlet; an air outlet is arranged on the rear side of the casing, and the exhaust system is arranged opposite to the air outlet; The air inlet is arranged opposite to the air outlet.
进一步地，所述空气过滤网的褶皱角度为10～150度。Further, the pleat angle of the air filter is 10-150 degrees.
进一步地，还包括：支架；所述支架的底端固定在所述底板上，所述排气系统固定在所述支架上。Further, it also includes: a bracket; the bottom end of the bracket is fixed on the bottom plate, and the exhaust system is fixed on the bracket.
进一步地，所述放电电极及所述空气过滤网上的网孔为圆形、三角形或正多边形形状。Further, the discharge electrodes and the meshes on the air filter are in the shape of circles, triangles or regular polygons.
本发明实施例提供的一个或多个技术方案，至少具备以下有益效果或优点：One or more technical solutions provided by the embodiments of the present invention have at least the following beneficial effects or advantages:
1、本发明实施例提供的静电除尘器所采用的空气过滤网为褶皱结构，在不改变空气过滤网占用空间长度的前提下增大了空气过滤网的表面积，提高了静电除尘器的集尘效率，避免了通过增加空气过滤网尺寸提高集尘效率而导致的静电除尘器体积、重量以及成本增加的问题，同时也避免了通过提高电场强度提高集尘效率而导致的大量排放有害气体的问题。本发明实施例提供的静电除尘器，空气流通过放电电极时，会使空气流中的粉尘颗粒带电，空气流通过具有一定导电性的空气过滤网时，荷电粉尘在电场力的作用下将会更加容易被空气过滤网吸附，提高了吸附效率。本发明实施例提供的静电除尘器，设置有网状放电电极，可以防止昆虫等宏观异物进入电场，保证了静电除尘器的除尘效果。1. The air filter used in the electrostatic precipitator provided by the embodiment of the present invention is a pleated structure, which increases the surface area of the air filter without changing the length of the space occupied by the air filter, and improves the dust collection capacity of the electrostatic precipitator. Efficiency, avoiding the problem of increasing the volume, weight and cost of the electrostatic precipitator caused by increasing the size of the air filter to improve the dust collection efficiency, and also avoiding the problem of a large amount of harmful gas emissions caused by increasing the dust collection efficiency by increasing the electric field strength . In the electrostatic precipitator provided by the embodiment of the present invention, when the air flow passes through the discharge electrode, the dust particles in the air flow will be charged, and when the air flow passes through the air filter with certain conductivity, the charged dust will be charged under the action of the electric field force. It will be more easily adsorbed by the air filter, which improves the adsorption efficiency. The electrostatic precipitator provided by the embodiment of the present invention is provided with a mesh discharge electrode, which can prevent macroscopic foreign objects such as insects from entering the electric field, and ensure the dust removal effect of the electrostatic precipitator.
2、本发明实施例提供的静电除尘器设置外壳，外壳可对其内部设置的放电电极、高压直流电源、空气过滤网及排气系统进行保护，提高了静电除尘器的使用寿命。外壳还用于密封电场，防止外部杂质进入电场，提高了静电除尘器的除尘效果。2. The electrostatic precipitator provided by the embodiment of the present invention is equipped with a shell, which can protect the discharge electrode, high-voltage DC power supply, air filter and exhaust system installed inside, and improve the service life of the electrostatic precipitator. The shell is also used to seal the electric field, prevent external impurities from entering the electric field, and improve the dust removal effect of the electrostatic precipitator.
3、本发明实施例提供的静电除尘器的外壳上设置有空气入口和空气出口空气入口与空气出口相对设置，在排气系统的作用下，空气流从空气入口进入，从空气出口排出，气流方向固定，气流垂直穿过电场及空气过滤网，粉尘的荷电效果好，提高了静电除尘器的除尘效果。3. The shell of the electrostatic precipitator provided by the embodiment of the present invention is provided with an air inlet and an air outlet. The direction is fixed, the airflow passes through the electric field and the air filter vertically, the charging effect of the dust is good, and the dust removal effect of the electrostatic precipitator is improved.
附图说明Description of drawings
图1为本发明实施例提供的静电除尘器结构示意图。Fig. 1 is a schematic structural diagram of an electrostatic precipitator provided by an embodiment of the present invention.
具体实施方式Detailed ways
本发明实施例通过提供一种静电除尘器，解决了现有技术中为提高静电除尘器的集尘效率而导致的除尘器体积、重量及成本大幅提高以及有害气体大幅产生的技术问题，在提高除尘器效率的前提下，降低了除尘器的体积、重量以及成本，减少了有害气体的产生。The embodiment of the present invention provides an electrostatic precipitator, which solves the technical problems in the prior art that the volume, weight and cost of the precipitator are greatly increased and the harmful gas is greatly increased in order to improve the dust collection efficiency of the electrostatic precipitator. Under the premise of the efficiency of the dust collector, the volume, weight and cost of the dust collector are reduced, and the generation of harmful gases is reduced.
如图1所示，本发明实施例提供了一种静电除尘器，包括：放电电极1、高压直流电源2、空气过滤网3、排气系统4、支架6、底板7及外壳5。As shown in FIG. 1 , an embodiment of the present invention provides an electrostatic precipitator, including: a discharge electrode 1 , a high voltage DC power supply 2 , an air filter 3 , an exhaust system 4 , a bracket 6 , a bottom plate 7 and a casing 5 .
如图1所示，放电电极1为网状结构，放电电极1上的网孔为圆形、三角形或正多边形形状，且放电电极1具备导电性能；放电电极1与高压直流电源2的一端连接。如图1所示，空气过滤网3为褶皱结构，褶皱角度为10～150度，空气过滤网3上的网孔为圆形、三角形或正多边形形状，且空气过滤网3具备导电性能；空气过滤网3与放电电极1相对设置，空气过滤网3与高压直流电源2的另一端连接，放电电极1与空气过滤网3之间形成电场。As shown in Figure 1, the discharge electrode 1 is a mesh structure, the mesh on the discharge electrode 1 is circular, triangular or regular polygonal in shape, and the discharge electrode 1 has electrical conductivity; the discharge electrode 1 is connected to one end of the high-voltage DC power supply 2 . As shown in Figure 1, the air filter 3 is a pleated structure with a pleat angle of 10 to 150 degrees, and the meshes on the air filter 3 are circular, triangular or regular polygonal in shape, and the air filter 3 has electrical conductivity; The filter 3 is arranged opposite to the discharge electrode 1 , the air filter 3 is connected to the other end of the high-voltage direct current power supply 2 , and an electric field is formed between the discharge electrode 1 and the air filter 3 .
如图1所示，排气系统4设置在空气过滤网3的后侧，在排气系统4的作用下，带粉尘的空气流从放电电极1进入电场，粉尘经过放电电极1时带电，并在电场力的作用下吸附在空气过滤网3上，除尘后的空气流经空气过滤网3及排气系统4排出。As shown in Figure 1, the exhaust system 4 is arranged on the rear side of the air filter screen 3. Under the action of the exhaust system 4, the air flow with dust enters the electric field from the discharge electrode 1, and the dust is charged when passing through the discharge electrode 1, and Adsorbed on the air filter screen 3 under the action of electric field force, the air after dust removal flows through the air filter screen 3 and exhaust system 4 to be discharged.
如图1所示，底板7固定在外壳5内部，放电电极1、高压直流电源2、空气过滤网3及排气系统4固定在底板7上。外壳5的前侧设置有空气入口，放电电极1与空气入口相对设置；外壳5的后侧设置有空气出口，排气系统4与空气出口相对设置；空气入口与空气出口相对设置。支架6的底端固定在底板7上，排气系统4固定在支架6上，支架6用于支撑排气系统4。As shown in FIG. 1 , the bottom plate 7 is fixed inside the casing 5 , and the discharge electrode 1 , high-voltage direct current power supply 2 , air filter 3 and exhaust system 4 are fixed on the bottom plate 7 . The front side of the casing 5 is provided with an air inlet, and the discharge electrode 1 is arranged opposite to the air inlet; the rear side of the casing 5 is provided with an air outlet, and the exhaust system 4 is arranged opposite to the air outlet; the air inlet is arranged opposite to the air outlet. The bottom end of the bracket 6 is fixed on the bottom plate 7, the exhaust system 4 is fixed on the bracket 6, and the bracket 6 is used to support the exhaust system 4.
本发明实施例提供的静电除尘器的工作原理如下：如图1所示，在排气系统4的作用下，含有粉尘的空气流从空气入口进入，空气流通过放电电极1时，会使空气流中的粉尘颗粒带电，放电电极1还能够阻挡昆虫等大的宏观异物进入电场。空气流通过具有一定导电性的空气过滤网3时，荷电粉尘在电场力的作用下将会更加容易被空气过滤网3吸附，由于空气过滤网3内部孔隙的表面积大，能极大增强除尘效率，干净的空气流从空气出口流出。The working principle of the electrostatic precipitator provided by the embodiment of the present invention is as follows: as shown in Figure 1, under the action of the exhaust system 4, the air flow containing dust enters from the air inlet, and when the air flow passes through the discharge electrode 1, the air will be The dust particles in the flow are charged, and the discharge electrode 1 can also prevent large macroscopic foreign objects such as insects from entering the electric field. When the air flow passes through the air filter 3 with certain conductivity, the charged dust will be more easily absorbed by the air filter 3 under the action of the electric field force. Due to the large surface area of the internal pores of the air filter 3, the dust removal can be greatly enhanced. Efficient, clean air flows from the air outlet.
本发明实施例提供的静电除尘器，至少具备以下有益效果：The electrostatic precipitator provided by the embodiment of the present invention has at least the following beneficial effects:
如图1所示，本发明实施例提供的静电除尘器所采用的空气过滤网3为褶皱结构，在不改变空气过滤网3占用空间长度的前提下增大了空气过滤网3的表面积，提高了静电除尘器的集尘效率，避免了通过增加空气过滤网3尺寸提高集尘效率而导致的静电除尘器体积、重量以及成本增加的问题，同时也避免了通过提高电场强度提高集尘效率而导致的大量排放有害气体的问题。本发明实施例提供的静电除尘器，空气流通过放电电极1时，会使空气流中的粉尘颗粒带电，空气流通过具有一定导电性的空气过滤网3时，荷电粉尘在电场力的作用下将会更加容易被空气过滤网3吸附，提高了吸附效率。本发明实施例提供的静电除尘器，设置有网状放电电极1，可以防止昆虫等宏观异物进入电场，保证了静电除尘器的除尘效果。As shown in Figure 1, the air filter 3 used in the electrostatic precipitator provided by the embodiment of the present invention is a pleated structure, which increases the surface area of the air filter 3 without changing the length of the space occupied by the air filter 3, and improves the air filter 3. The dust collection efficiency of the electrostatic precipitator is improved, and the problem of increasing the volume, weight and cost of the electrostatic precipitator caused by increasing the size of the air filter 3 to improve the dust collection efficiency is avoided, and the problem of increasing the dust collection efficiency by increasing the electric field strength is also avoided. The problem of a large amount of harmful gas emission caused. In the electrostatic precipitator provided by the embodiment of the present invention, when the air flow passes through the discharge electrode 1, the dust particles in the air flow will be charged, and when the air flow passes through the air filter screen 3 with certain conductivity, the charged dust will be charged under the action of the electric field force. It will be more easily adsorbed by the air filter 3, which improves the adsorption efficiency. The electrostatic precipitator provided by the embodiment of the present invention is provided with a mesh discharge electrode 1, which can prevent macroscopic foreign objects such as insects from entering the electric field, and ensure the dust removal effect of the electrostatic precipitator.
如图1所示，本发明实施例提供的静电除尘器设置外壳5，外壳5可对其内部设置的放电电极1、高压直流电源2、空气过滤网3及排气系统4进行保护，提高了静电除尘器的使用寿命。外壳5还用于密封电场，防止外部杂质进入电场，提高了静电除尘器的除尘效果。As shown in Figure 1, the electrostatic precipitator provided by the embodiment of the present invention is provided with a casing 5, and the casing 5 can protect the discharge electrode 1, the high-voltage DC power supply 2, the air filter 3 and the exhaust system 4 arranged inside it, thereby improving the efficiency of the electrostatic precipitator. The service life of the electrostatic precipitator. The shell 5 is also used to seal the electric field, prevent external impurities from entering the electric field, and improve the dust removal effect of the electrostatic precipitator.
如图1所示，本发明实施例提供的静电除尘器的外壳5上设置有空气入口和空气出口空气入口与空气出口相对设置，在排气系统4的作用下，空气流从空气入口进入，从空气出口排出，气流方向固定，气流垂直穿过电场及空气过滤网3，粉尘的荷电效果好，提高了静电除尘器的除尘效果。As shown in Figure 1, the housing 5 of the electrostatic precipitator provided by the embodiment of the present invention is provided with an air inlet and an air outlet. Exhausted from the air outlet, the direction of the airflow is fixed, and the airflow passes through the electric field and the air filter 3 vertically, so that the charging effect of the dust is good, and the dust removal effect of the electrostatic precipitator is improved.
最后所应说明的是，以上具体实施方式仅用以说明本发明的技术方案而非限制，尽管参照实例对本发明进行了详细说明，本领域的普通技术人员应当理解，可以对本发明的技术方案进行修改或者等同替换，而不脱离本发明技术方案的精神和范围，其均应涵盖在本发明的权利要求范围当中。Finally, it should be noted that the above specific embodiments are only used to illustrate the technical solutions of the present invention without limitation. Although the present invention has been described in detail with reference to examples, those of ordinary skill in the art should understand that the technical solutions of the present invention can be carried out Modifications or equivalent replacements without departing from the spirit and scope of the technical solution of the present invention shall be covered by the claims of the present invention.
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| CN (1) | CN105107630A (en) |
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| CN106799100A (en) * | 2017-02-28 | 2017-06-06 | 张建武 | A kind of self-cleaning type high efficiency particulate air formula air filter |
| CN107321503A (en) * | 2017-08-01 | 2017-11-07 | 陕西沃德环保工程有限公司 | Indoor air-purification device |
| CN107837964A (en) * | 2017-11-10 | 2018-03-27 | 山东格蓝云天环境科技有限公司 | A kind of low voltage electrostatic dedusting module and air cleaning unit |
| CN109967256A (en) * | 2017-12-27 | 2019-07-05 | 宁波方太厨具有限公司 | A kind of microparticle collection device |
| CN111251828A (en) * | 2020-01-20 | 2020-06-09 | 武汉理工大学 | A comprehensive detachable dust removal device suitable for bus air conditioning system |
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| CN111251828A (en) * | 2020-01-20 | 2020-06-09 | 武汉理工大学 | A comprehensive detachable dust removal device suitable for bus air conditioning system |
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Application publication date: 20151202 |