CN216094247U - Electrostatic dust collector with cyclone device - Google Patents
Electrostatic dust collector with cyclone device Download PDFInfo
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- CN216094247U CN216094247U CN202122127061.2U CN202122127061U CN216094247U CN 216094247 U CN216094247 U CN 216094247U CN 202122127061 U CN202122127061 U CN 202122127061U CN 216094247 U CN216094247 U CN 216094247U
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- cyclone
- dust removal
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- fixing plate
- dust
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Abstract
The utility model relates to a dust collecting equipment technical field specifically is an electrostatic precipitator with whirlwind device. The electrostatic dust collector with the cyclone device divides the interior of the cylinder into an upper clean air chamber for storing clean air, a middle dust chamber for treating flue gas and a lower liquid discharge chamber for collecting settled impurities through an upper fixing plate and a lower fixing plate which are horizontally arranged in the cylinder; the cyclone dust removal pipe for cyclone purification of smoke is arranged in the middle dust removal chamber, the discharging device is arranged in the upper air purification chamber, and the smoke entering the cyclone dust removal pipe is subjected to high-voltage charge through the discharging device, so that the efficiency of purifying large-particle dust in the cyclone dust removal pipe is greatly improved, and after the smoke is purified through the cyclone dust removal pipe, clean gas enters the upper air purification chamber, and the dust enters the lower liquid discharge chamber, so that the technical problem that the dust with large particle size is difficult to adsorb in electrostatic dust removal is solved.
Description
Technical Field
The utility model relates to the technical field of dust removing equipment, in particular to an electrostatic dust collector with a cyclone device.
Background
Along with the implementation of the ultra-low emission policy in China, the research on the coal power plant dust remover is gradually concerned, and the requirement on the dust content is also from the traditional 75mg/Nm3Reduced to the current 20-25mg/Nm3The requirements of (1). The improvement of the dust removal requirement also brings a promotion effect to the innovative development of the dust remover.
At present, in the dust removal work, an electrostatic dust removal device is widely used, and the dust collection principle of the electrostatic dust collector is that a high voltage is applied between a discharge electrode and a collector electrode to form a strong electric field, air molecules are ionized into positive ions and electrons in the strong electric field, and the electrons encounter dust particles in the process of rushing to the collector electrode, so that the dust particles are negatively charged and adsorbed to the positive electrode to be collected.
However, in the use process of electrostatic dust collection, when the particle size of dust in the flue gas is large, the electrostatic dust collection is difficult to adsorb the dust with large particle size, and the ideal dust collection effect cannot be achieved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an electrostatic dust collector with a cyclone device, so as to solve the technical problem of poor dust collection effect of the traditional electrostatic dust collector caused by larger flue gas particle size.
In order to solve the above technical problem, the present invention provides an electrostatic precipitator with a cyclone device, comprising: the barrel is internally provided with an upper fixing plate and a lower fixing plate which are horizontally arranged; the upper fixing plate and the lower fixing plate divide the cylinder into an upper air purifying chamber, a middle dust removing chamber and a lower drainage chamber; and a plurality of cyclone dust removal pipes arranged in the middle dust removal chamber; wherein, the flue gas enters the middle dust-removing chamber from the air inlet, and after being purified by the cyclone dust-removing pipe, the clean gas enters the upper air-purifying chamber, and the dust enters the lower liquid-discharging chamber; and the discharging device is arranged in the upper air purifying chamber and is suitable for charging the flue gas entering the cyclone dust removal pipe.
Furthermore, through holes for the exhaust pipe and the liquid discharge pipe of the cyclone dust removal pipe to extend out are respectively formed in the upper fixing plate and the lower fixing plate.
Furthermore, the cyclone dust removal pipes are uniformly distributed in the middle dust removal chamber in a circumferential arrangement mode.
Furthermore, the side air inlets of the cyclone dust removal pipes face the central axis of the cylinder body.
Further, the discharge device includes: the cathode electrode ring is arranged above the upper fixing plate, and the plurality of corona wires are suspended on the cathode discharge ring; the corona wires extend into the cyclone dust removal pipe and are not in contact with the cyclone dust removal pipe.
Further, the cathode electrode ring is erected above an insulating baffle ring arranged along the inner wall of the cylinder.
Furthermore, a power supply connecting hole is formed in the side wall of the barrel.
Further, a waste liquid discharge pipe is arranged at the bottom of the cylinder body; and the waste liquid discharge pipe is provided with a liquid level observation hole.
The utility model has the advantages that the interior of the cylinder body is divided into an upper air purifying chamber for storing clean air, a middle dust removing chamber for treating flue gas and a lower liquid discharging chamber for collecting settled impurities by the aid of the upper fixing plate and the lower fixing plate which are horizontally arranged in the cylinder body; wherein, a cyclone tube for carrying out cyclone purification to the flue gas sets up in the dust removal room of middle part, and discharge device sets up in upper portion clean wind room, carries out high-voltage electric charge to the flue gas that gets into in the cyclone tube through discharge device to make the efficiency that large granule dust was purified in cyclone tube promote greatly, and purify the back through cyclone tube, clean gas gets into upper portion clean wind room, and the dust gets into lower part discharge chamber, has realized promoting by a wide margin to large granule dust purification efficiency.
Drawings
The utility model is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of the internal structure of an electrostatic precipitator with a cyclone device according to the present invention;
FIG. 2 is a schematic layout of cyclone tubes of the electrostatic precipitator with cyclone apparatus of the present invention.
In the figure: the device comprises a cylinder body 1, an upper fixing plate 11, a lower fixing plate 12, a discharge device 2, a negative electrode ring 21, a corona wire 22, an insulating baffle ring 23, a cyclone dust removal pipe 3, an exhaust pipe 31, a liquid discharge pipe 32, an air inlet 33, a power supply connection hole 4, a waste liquid discharge pipe 5 and a liquid level observation hole 51.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
Examples
As shown in fig. 1, the present embodiment provides an electrostatic precipitator with a cyclone device, including: the device comprises a cylinder body, wherein an upper fixing plate 11 and a lower fixing plate 12 which are horizontally arranged are arranged in the cylinder body; the upper fixing plate 11 and the lower fixing plate 12 divide the cylinder into an upper air purifying chamber, a middle dust removing chamber and a lower liquid discharging chamber; and a plurality of cyclone dust removal pipes 3 arranged in the middle dust removal chamber; wherein, the flue gas enters the middle dust-removing chamber from the air inlet, and after being purified by the cyclone dust-removing pipe 3, the clean gas enters the upper air-purifying chamber, and the dust enters the lower liquid-discharging chamber; and the discharging device 2 is arranged in the upper air purifying chamber and is suitable for charging the flue gas entering the cyclone dust removal pipe 3.
In the present embodiment, optionally, the inside of the cylinder is divided into an upper clean air chamber for storing clean air, a middle dust chamber for treating flue gas and a lower drainage chamber for collecting settled impurities by an upper fixing plate 11 and a lower fixing plate 12 which are horizontally arranged in the cylinder; wherein, a cyclone dust removal pipe 3 for carrying out cyclone purification to the flue gas sets up in the clean plenum of middle part, and discharge device 2 sets up in the clean plenum of upper portion, carries out high-voltage charge to the flue gas that gets into in cyclone dust removal pipe 3 through discharge device 2 to make the efficiency that large granule dust was purified in cyclone dust removal pipe 3 promote greatly, and purify the back through cyclone dust removal pipe 3, clean gas gets into the clean plenum of upper portion, and the dust gets into lower part discharge chamber, has realized promoting by a wide margin to large granule dust purification efficiency.
In this embodiment, the upper fixing plate 11 and the lower fixing plate 12 are respectively provided with through holes for the exhaust pipe 31 and the liquid discharge pipe 32 of the cyclone dust collecting pipe 3 to extend.
In this embodiment, optionally, the upper fixing plate 11 and the lower fixing plate 12 are welded inside the cylinder, and the diameter of the through hole is the same as the diameters of the exhaust duct 31 and the liquid discharge duct 32, so that the sealing performance of the middle dust chamber is fully ensured.
As shown in fig. 2, in the present embodiment, the plurality of cyclone tubes 3 are uniformly distributed in the middle dust chamber in a circumferential arrangement.
In this embodiment, optionally, the cyclone dust removal tubes 3 are arranged in the middle dust removal chamber in a circumferential arrangement manner, so as to ensure that the treatment efficiency of each cyclone dust removal tube 3 is the same.
In the present embodiment, the side air inlets 33 of the cyclone tubes 3 face the central axis of the cylinder.
In this embodiment, optionally, the side air inlets 33 of the cyclone dust removal pipes 3 face the central axis of the cylinder, so that the flue gas is prevented from entering the dust removal pipes due to disturbance of the air flow when entering the dust removal pipes, and the dust removal efficiency of the device is improved.
As shown in fig. 1, in the present embodiment, the discharge device 2 includes: a negative electrode ring 21 disposed above the upper fixing plate 11, and a plurality of corona wires 22 suspended on the negative electrode discharge ring; the plurality of corona wires 22 all extend into the cyclone dust removal pipe 3 and are not in contact with the cyclone dust removal pipe 3.
In this embodiment, optionally, the outer peripheral wall of the negative electrode ring 21 is not in contact with the cylinder, so that the device is ensured not to be charged, and the safety of the device is improved; the corona wire 22 extends into the cyclone dust removal tube 3, and discharges electricity through burs on the surface of the corona wire 22, so that dust entering the cyclone dust removal tube 3 approaches to the tube wall of the cyclone dust removal tube 3 due to the fact that the dust is infected with negative charges ionized in air, and the purification efficiency of the equipment is improved; in addition, the corona wire 22 is not in contact with the cyclone dust removal pipe 3, so that the problem of equipment breakdown caused by high-voltage discharge is solved.
In this embodiment, the cathode electrode ring 21 is mounted above an insulating barrier ring 23 disposed along the inner wall of the can.
In this embodiment, optionally, the cathode electrode ring 21 is erected above the insulating baffle ring 23 inside the cylinder, so that the cylinder is not conductive, and the safety of the device is ensured.
In this embodiment, a power connection hole 4 is formed in the side wall of the cylinder.
In this embodiment, optionally, the power connection hole 4 is adapted to introduce a negative electrode of an external power line into the negative electrode motor ring, so as to charge the corona wire 22 with negative electricity.
In this embodiment, the bottom of the cylinder is provided with a waste liquid discharge pipe 5; and the waste liquid discharge pipe 5 is provided with a liquid level observation hole 51.
In this embodiment, optionally, in the process of purifying the flue gas, since the droplets and dust carried in the flue gas are condensed and dropped, waste liquid is generated inside the device in the treatment process, and therefore, the waste liquid discharge pipe 5 needs to be arranged on the bottom plate of the cylinder, and meanwhile, the liquid level observation hole 51 is formed in the waste liquid discharge pipe, so that the waste liquid is suitable for being discharged in a concentrated manner when a certain amount of waste liquid is accumulated.
In summary, the interior of the cylinder is divided into an upper clean air chamber for storing clean air, a middle dust chamber for treating flue gas and a lower exhaust chamber for collecting settled impurities by an upper fixing plate 11 and a lower fixing plate 12 which are horizontally arranged in the cylinder; wherein, a cyclone dust removal pipe 3 for carrying out cyclone purification to the flue gas sets up in the clean plenum of middle part, and discharge device 2 sets up in the clean plenum of upper portion, carries out high-voltage charge to the flue gas that gets into in cyclone dust removal pipe 3 through discharge device 2 to make the efficiency that large granule dust was purified in cyclone dust removal pipe 3 promote greatly, and purify the back through cyclone dust removal pipe 3, clean gas gets into the clean plenum of upper portion, and the dust gets into lower part discharge chamber, has realized promoting by a wide margin to large granule dust purification efficiency.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular 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 light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations can be made by the worker in the light of the above teachings without departing from the spirit of the utility model. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (8)
1. An electrostatic precipitator with a cyclone device, comprising:
the barrel (1) is internally provided with an upper fixing plate (11) and a lower fixing plate (12) which are horizontally arranged;
the upper fixing plate and the lower fixing plate divide the cylinder into an upper air purifying chamber, a middle dust removing chamber and a lower drainage chamber; and
the cyclone dust removal pipes (3) are arranged in the middle dust removal chamber; wherein
The flue gas enters the middle dust removing chamber from the air inlet, and after being purified by the cyclone dust removing pipe, the clean gas enters the upper air purifying chamber, and the dust enters the lower liquid discharging chamber; and
and the discharging device (2) is arranged in the upper air purifying chamber and is suitable for charging the flue gas entering the cyclone dust removal pipe (3).
2. An electrostatic precipitator with a cyclone device according to claim 1,
and the upper fixing plate (11) and the lower fixing plate (12) are respectively provided with a through hole for the extension of an exhaust pipe (31) and a liquid discharge pipe (32) of the cyclone dust removal pipe.
3. An electrostatic precipitator with a cyclone device according to claim 1,
the cyclone dust removal pipes (3) are uniformly distributed in the middle dust removal chamber in a circumferential arrangement mode.
4. An electrostatic precipitator with a cyclone device according to claim 3,
the side air inlets (33) of the cyclone dust removal pipes (3) face the central axis of the cylinder body (1).
5. An electrostatic precipitator with a cyclone device according to claim 1,
the discharge device (2) comprises: a negative electrode ring (21) arranged above the upper fixing plate, and a plurality of corona wires (22) suspended on the negative electrode ring (21);
the corona wires (22) extend into the cyclone dust removal pipe (3) and are not in contact with the cyclone dust removal pipe (3).
6. An electrostatic precipitator with a cyclone device according to claim 5,
the cathode electrode ring (21) is erected above an insulating baffle ring (23) arranged along the inner wall of the cylinder.
7. An electrostatic precipitator with a cyclone device according to claim 1,
the side wall of the cylinder body (1) is provided with a power supply connecting hole (4).
8. An electrostatic precipitator with a cyclone device according to claim 1,
a waste liquid discharge pipe (5) is arranged at the bottom of the cylinder body (1); and is
And a liquid level observation hole (51) is formed in the waste liquid discharge pipe (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122127061.2U CN216094247U (en) | 2021-09-03 | 2021-09-03 | Electrostatic dust collector with cyclone device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122127061.2U CN216094247U (en) | 2021-09-03 | 2021-09-03 | Electrostatic dust collector with cyclone device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216094247U true CN216094247U (en) | 2022-03-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122127061.2U Active CN216094247U (en) | 2021-09-03 | 2021-09-03 | Electrostatic dust collector with cyclone device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216094247U (en) |
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2021
- 2021-09-03 CN CN202122127061.2U patent/CN216094247U/en active Active
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