阅读说明：本技术 筒形消白装置及排烟系统 (Cylindrical white eliminating device and smoke exhaust system ) 是由 郑钦臻 吴刚 于 2020-12-29 设计创作，主要内容包括：本发明公开了一种筒形消白装置,包括至少三个竖向设置的呈板状的消白电极,各所述消白电极或其延长线均通过筒形中心轴线且在周向上等角度分隔设置,所述消白电极接地且侧面具有开孔结构；相邻的两所述消白电极之间的区域均设有呈条形的放电电极。烟囱内的湿烟气进入消白装置,湿烟气与外界环境空气进行换热,冷凝形成雾滴。雾滴因吸附离子电荷而荷电,在电场力作用下发生径向运动,当运动到中心消白电极表面时便形成液膜,在重力作用下回流至烟囱,以此实现雾滴的捕集,进而实现烟囱消白,最终以高效率、低成本的方式完成了对烟囱排放的水资源的回收。本发明提供的排烟系统能够实现相应的技术效果,不再赘述。(The invention discloses a cylindrical white eliminating device, which comprises at least three vertically arranged plate-shaped white eliminating electrodes, wherein each white eliminating electrode or an extension line thereof passes through a cylindrical central axis and is arranged at equal angular intervals in the circumferential direction, the white eliminating electrodes are grounded, and the side surfaces of the white eliminating electrodes are provided with open pore structures; and strip-shaped discharge electrodes are arranged in the areas between two adjacent white-eliminating electrodes. Wet flue gas in the chimney enters the white smoke eliminating device, and the wet flue gas exchanges heat with external ambient air and is condensed to form fog drops. The fog drops are charged due to the fact that the fog drops absorb ion charges, move radially under the action of electric field force, form a liquid film when moving to the surface of the central de-whitening electrode, and flow back to the chimney under the action of gravity, accordingly the fog drops are collected, further the de-whitening of the chimney is achieved, and finally the recovery of water resources discharged by the chimney is achieved in a high-efficiency and low-cost mode. The smoke exhaust system provided by the invention can realize corresponding technical effects, and is not described again.)

1. A cylindrical white eliminating device is characterized by comprising at least three vertically arranged plate-shaped white eliminating electrodes, wherein each white eliminating electrode or an extension line thereof passes through a cylindrical central axis and is arranged at equal angular intervals in the circumferential direction, the white eliminating electrodes are grounded, and the side surfaces of the white eliminating electrodes are provided with open pore structures; the area between two adjacent white-removing electrodes is provided with a strip-shaped discharge electrode (2.2), the discharge electrode (2.2) is connected with a high-voltage power supply (2.4), and the white-removing electrodes and the discharge electrode (2.2) are insulated.

2. The cylindrical whitening apparatus according to claim 1, wherein the whitening electrodes comprise four central whitening electrodes (2.1) arranged in a central area and distributed in a cross shape as a whole, and the discharge electrodes (2.2) in a strip shape are arranged in the area between two adjacent central whitening electrodes (2.1).

3. The cylindrical whitening apparatus according to claim 2, further comprising at least one set of circumferentially uniformly distributed peripheral whitening electrodes (2.5) disposed around the central region, wherein the region between two adjacent peripheral whitening electrodes (2.5) is provided with a discharge electrode (2.2) in the form of a strip.

4. A cylindrical whitening device according to claim 3, characterized in that the whitening electrode further comprises a cylindrical whitening electrode (2.7) provided outside the central whitening electrode (2.1) or the outermost peripheral whitening electrode (2.5).

5. The cylindrical whitening apparatus according to claim 1, wherein the whitening electrodes comprise at least two concentrically arranged cylindrical whitening electrodes (2.7), and a plurality of peripheral whitening electrodes (2.5) uniformly arranged in an annular region between two adjacent cylindrical whitening electrodes (2.7); strip-shaped discharge electrodes (2.2) are arranged in the area between two adjacent peripheral white-removing electrodes (2.5), and the center of the innermost cylindrical white-removing electrode (2.7) is provided with the discharge electrode (2.2).

6. A cylindrical whitening device according to any of claims 2 to 5, characterized in that the whitening electrodes are connected by a whitening electrode frame (2.3) and the discharge electrodes (2.2) are connected by a discharge electrode frame (2.6).

7. The cylindrical whitening apparatus of claim 6, wherein the whitening electrode has a perforated plate, a mesh, or a metal foam structure.

8. The cylindrical whitening means according to claim 7, characterized in that the central whitening electrode (2.1) has an aperture ratio in the range of 10% to 90%.

9. A smoke exhaust system is characterized by comprising a chimney main body (1), a cylindrical white elimination device communicated with the outlet end of the chimney main body (1), and a support component (3) for supporting the cylindrical white elimination device on the chimney main body (1); the cylindrical whitening means is as claimed in any one of claims 1 to 8.

Technical Field

The invention relates to the technical field of smoke emission, in particular to a cylindrical white eliminating device and a smoke exhaust system comprising the same.

Background

In the thermal power industry and other industries, the overall level of water resource utilization efficiency is still low, and considerable space is saved. Effective measures are actively taken, the comprehensive utilization rate of water is improved, water is saved, the water-saving water-.

At present, the chimney of various industries often discharges 'white smoke', 'white smoke' is actually water, and 'white smoke' discharge is actually waste of water resources.

Besides the waste of resources, the 'white smoke' also affects the visibility of surrounding residential areas and traffic roads and destroys the urban environment; in addition, the humidity in the downwind area can be increased, and the fog falls on the ground to cause the road surface around the cooling tower to be wet, slippery or frozen, thereby bringing great potential safety hazard to surrounding traffic, influencing the safety production of factories and influencing the safe operation of production equipment around the cooling tower.

How to recover water resources discharged from a chimney with high efficiency and low cost is a problem which needs to be continuously researched.

Disclosure of Invention

The invention aims to provide a cylindrical white-removing device and a smoke exhaust system, which can efficiently and inexpensively complete white removal and further realize the recovery of water resources in a chimney.

In order to achieve the purpose, the cylindrical white eliminating device provided by the invention comprises at least three vertically arranged plate-shaped white eliminating electrodes, wherein each white eliminating electrode or an extension line thereof passes through a cylindrical central axis and is arranged at equal angular intervals in the circumferential direction, the white eliminating electrodes are grounded, and the side surfaces of the white eliminating electrodes are provided with open pore structures; and strip-shaped discharge electrodes are arranged in the area between every two adjacent white-removing electrodes and are connected with a high-voltage power supply, and the white-removing electrodes and the discharge electrodes are insulated.

Preferably, the whitening electrodes comprise four central whitening electrodes which are integrally distributed in a cross shape and are arranged in a central area, and strip-shaped discharge electrodes are arranged in an area between every two adjacent central whitening electrodes.

Preferably, the whitening electrodes further comprise at least one group of peripheral whitening electrodes which are uniformly distributed in the circumferential direction and are arranged around the central area, and strip-shaped discharge electrodes are arranged in the area between every two adjacent peripheral whitening electrodes.

Preferably, the whitening electrode further includes a cylindrical whitening electrode provided outside the central whitening electrode or the outermost peripheral whitening electrode.

Preferably, the white eliminating electrodes comprise at least two concentric cylindrical white eliminating electrodes and a plurality of peripheral white eliminating electrodes uniformly arranged in an annular area between two adjacent cylindrical white eliminating electrodes; the area between two adjacent peripheral white eliminating electrodes is provided with a strip-shaped discharge electrode, and the center of the innermost cylindrical white eliminating electrode is provided with a discharge electrode.

Preferably, the respective blanking electrodes are connected by a blanking electrode frame, and the respective discharge electrodes are connected by a discharge electrode frame.

Preferably, the whitening electrode has a perforated plate, a mesh, or a metal foam structure.

Preferably, the aperture ratio of the central whitening electrode ranges from 10% to 90%.

The invention provides a smoke exhaust system which comprises a chimney main body, a cylindrical white eliminating device communicated with the outlet end of the chimney main body and a supporting component for supporting the cylindrical white eliminating device on the chimney main body; the cylindrical white elimination device is any one of the cylindrical white elimination devices.

Wet flue gas in the chimney enters the cylindrical de-whitening device from bottom to top, and the side surface of the de-whitening system is provided with a through structure or an open pore structure, so that the wet flue gas entering the de-whitening system exchanges heat with external ambient air and is condensed to form fog drops. After the high-voltage power supply is started, a high-voltage electrostatic field is formed between the discharge electrode and the central white-removing electrode, and meanwhile, the discharge electrode carries out point discharge to generate a large amount of ion charges. The charged fog drops are charged due to the adsorption of ion charges, and generate an electric field force vertical to the central white-eliminating electrode under the action of a high-voltage electrostatic field, and the charged fog drops radially move under the action of the electric field force and form a liquid film when moving to the surface of the central white-eliminating electrode. The liquid film flows back to the chimney under the action of gravity, so that the fog drops are collected, the white elimination of the chimney is further realized, and finally, the recovery of water resources discharged by the chimney is completed in a high-efficiency and low-cost mode.

The invention provides a smoke exhaust system which comprises a chimney body, a cylindrical white eliminating device communicated with the outlet end of the chimney body and a supporting component for supporting the cylindrical white eliminating device on the chimney body, wherein the cylindrical white eliminating device is arranged on the chimney body; the cylindrical white elimination device is any one of the cylindrical white elimination devices. This system of discharging fume can realize corresponding technological effect, no longer gives unnecessary details.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a smoke evacuation system according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a first embodiment of the cylindrical whitening means in FIG. 1;

FIG. 3 is a schematic structural view of a second embodiment of the cylindrical whitening means in FIG. 1;

FIG. 4 is a schematic structural view of a third embodiment of the cylindrical whitening means in FIG. 1;

FIG. 5 is a schematic structural view of a fourth embodiment of the cylindrical whitening means in FIG. 1;

fig. 6 is a schematic structural diagram of a fifth embodiment of the cylindrical whitening apparatus in fig. 1.

The reference numerals in fig. 1 to 6 are as follows:

1-a chimney body, 2-a cylindrical de-whitening device and 3-a supporting component;

2.1-central white eliminating electrode, 2.2-discharge electrode, 2.3-white eliminating electrode frame, 2.4-high voltage power supply, 2.5-peripheral white eliminating electrode, 2.6-discharge electrode frame and 2.7-cylindrical white eliminating electrode.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The core of the invention is to provide a cylindrical white elimination device and a smoke exhaust system, which can efficiently and inexpensively complete white elimination and further realize the recovery of water resources in a chimney.

Please refer to fig. 1 and fig. 2; fig. 1 is a schematic structural diagram of a smoke evacuation system according to an embodiment of the present invention; fig. 2 is a schematic structural diagram of a first embodiment of the cylindrical whitening apparatus in fig. 1.

The smoke exhaust system mainly comprises a chimney body 1, a cylindrical white elimination device 2 and a supporting component 3 for supporting the cylindrical white elimination device 2 on the chimney body 1. The cylindrical whitening device 2 is communicated with the outlet end of the chimney body 1 so as to facilitate the wet flue gas in the chimney body to pass through and complete the whitening process. The specific structure of the supporting member 3 is not critical to the present application, and please refer to the prior art, which is not described herein again.

In a first embodiment, the cylindrical whitening means 2 provided by the invention comprises at least three, specifically four, plate-shaped whitening electrodes, each of which is arranged vertically, and its own or its extension line passes through the central axis of the cylinder, i.e. the whitening electrodes are arranged radially, in fig. 2. Obviously, the respective whitening electrodes are arranged at substantially equal angular intervals in the circumferential direction to maintain the electric field uniform.

The whitening electrode may be made of corrosion-resistant metal, and is grounded, and the sidewall thereof has an open-cell structure, for example, the open-cell structure may be formed by a porous plate, a screen or a metal foam structure. In general, the open porosity of the open cell structure may range from 10% to 90%.

The area between two adjacent white-removing electrodes is provided with a discharge electrode 2.2, the discharge electrode 2.2 is connected with a high-voltage power supply 2.4, and the white-removing electrodes and the discharge electrode 2.2 are insulated. The discharge electrode 2.2 can be made of anticorrosive metal, is wholly linear and vertically arranged, and has a length not greater than the height of the white elimination electrode.

Each discharge electrode 2.2 may be supported and electrically connected by a discharge electrode frame 2.6; the blanking electrodes may be supported and electrically connected by a blanking electrode frame 2.3.

The blanking electrode body in fig. 2 comprises four central blanking electrodes 2.1, which are distributed in a cross shape over the whole central area. Obviously, three central white elimination electrodes 2.1 can be arranged in the central area, and the central white elimination electrodes 2.1 form an included angle of 120 degrees in pairs; other numbers of central white-eliminating electrodes 2.1 can be arranged, and the angles are correspondingly changed, which is not described again.

Each discharge electrode 2.2 can be connected with a high-voltage power supply 2.3, and insulation is kept between each white-removing electrode and each discharge electrode 2.2. The high-voltage power supply 2.3 can adopt a positive polarity or negative polarity direct current power supply mode or a pulse power supply mode, the high-voltage end of the high-voltage power supply is connected with the discharge electrode 2.2, and the low-voltage end of the high-voltage power supply is grounded.

Referring to fig. 3, fig. 3 is a schematic structural diagram of a second embodiment of the cylindrical whitening apparatus shown in fig. 1.

With respect to the first embodiment, the whitening electrodes may further include at least one set of peripheral whitening electrodes 2.5 disposed around the central region, each peripheral whitening electrode 2.5 being uniformly distributed in the circumferential direction. In fig. 3 a set of peripheral whitening electrodes 2.5 is provided.

Wherein, the partial outer circumference blank electrode 2.5 and the central blank electrode 2.1 may be exactly on the same radius, and the two electrodes may have an integral structure.

Obviously, the closer to the outside, the greater the number of peripheral whitening electrodes 2.5 in each layer structure, and correspondingly, the greater the number of discharge electrodes 2.2 between adjacent peripheral whitening electrodes 2.5; but the distribution of the peripheral whitening electrode 2.5 and the discharge electrode 2.2 is still uniform as a whole.

Referring to fig. 4 and 5, fig. 4 is a schematic structural diagram of a third embodiment of the cylindrical whitening device in fig. 1, and fig. 5 is a schematic structural diagram of a fourth embodiment of the cylindrical whitening device in fig. 1.

As an improvement, on the basis of the technical solution shown in fig. 2, the whitening electrode may further include a cylindrical whitening electrode 2.7, and the cylindrical whitening electrode 2.7 is disposed outside the central whitening electrode 2.1.

Alternatively, based on the technical solution shown in fig. 3, the whitening electrode may further include a cylindrical whitening electrode 2.7, and the cylindrical whitening electrode 2.7 is disposed outside the outermost peripheral whitening electrode 2.5.

The outermost cylindrical whitening electrode 2.7 can also be used as an outer shell of the cylindrical whitening device 2 and is mounted on the chimney body 1 through the supporting component 3.

Referring to fig. 6, fig. 6 is a schematic structural diagram of a fifth embodiment of the cylindrical whitening apparatus in fig. 1.

The white eliminating electrode comprises at least two concentric cylindrical white eliminating electrodes 2.7, and the technical scheme in figure 6 is provided with three cylindrical white eliminating electrodes 2.7.

Wherein, a discharge electrode 2.2 is arranged at the center of the innermost cylindrical whitening electrode 2.7. Four outer circumferential blanking electrodes 2.5 are arranged in the annular region between the innermost and middle two cylindrical blanking electrodes 2.7, and eight outer circumferential blanking electrodes 2.5 are arranged in the annular region between the middle and outermost two cylindrical blanking electrodes 2.7. Obviously, other numbers of peripheral whitening electrodes 2.5 may be provided, depending on the number of layers.

Wet flue gas in the chimney enters the white smoke eliminating device from bottom to top, and the side surface of the white smoke eliminating system is provided with a through and/or open pore structure, so that the wet flue gas entering the white smoke eliminating device exchanges heat with external environment air and is condensed to form fog drops. After the high-voltage power supply is started, a high-voltage electrostatic field is formed between the discharge electrode and the central white-removing electrode, and meanwhile, the discharge electrode carries out point discharge to generate a large amount of ion charges. The charged fog drops are charged due to the adsorption of ion charges, and generate an electric field force vertical to the central white-eliminating electrode under the action of a high-voltage electrostatic field, and the charged fog drops radially move under the action of the electric field force and form a liquid film when moving to the surface of the central white-eliminating electrode. The liquid film flows back to the chimney under the action of gravity, so that the fog drops are collected, the white elimination of the chimney is further realized, and finally, the recovery of water resources discharged by the chimney is completed in a high-efficiency and low-cost mode.

The invention provides a smoke exhaust system which comprises a chimney body, a cylindrical white eliminating device communicated with the outlet end of the chimney body and a supporting component for supporting the cylindrical white eliminating device on the chimney body, wherein the cylindrical white eliminating device is arranged on the chimney body; the cylindrical white elimination device is any one of the cylindrical white elimination devices. This system of discharging fume can realize corresponding technological effect, no longer gives unnecessary details.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The cylindrical white elimination device and the smoke exhaust system provided by the invention are described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.