CN217699582U

CN217699582U - Dust arrester installation energy saving and emission reduction reforms transform structure

Info

Publication number: CN217699582U
Application number: CN202220954290.3U
Authority: CN
Inventors: 何锐; 胡安平
Original assignee: Yangxin Washi Cement Co ltd
Current assignee: Yangxin Washi Cement Co ltd
Priority date: 2022-04-24
Filing date: 2022-04-24
Publication date: 2022-11-01
Anticipated expiration: 2032-04-24

Abstract

The utility model discloses an energy-saving emission-reducing reconstruction structure of a dust collecting device, which comprises an air inlet chamber, an electric dust collecting chamber, an ash falling chamber and an air outlet chamber, wherein the electric dust collecting chamber is provided with a gas filtering device; the electric dust collecting chamber is provided with a first guide plate, a second guide plate, a third guide plate and two electric dust collectors; the inner cavities of the first guide plate and the third guide plate are hollow, and an air injection device is arranged in each cavity; the inner cavity of the second guide plate is hollow, and a water spraying device is arranged in the inner cavity; the electric dust collector is provided with a high-voltage variable frequency motor; the high-voltage variable frequency motor is provided with a cylindrical electrode rod. Through the common cooperation of gas filter equipment, guide plate and electric dust collector etc. can carry out twice filtration to the gas that passes through, can gather dust and accomplish the back and can wash in the room that gathers dust to reach the effect that dust collection efficiency is high, inside washs conveniently, the energy consumption is low.

Description

Dust arrester installation energy saving and emission reduction reforms transform structure

Technical Field

The utility model relates to an environmental protection equipment technical field specifically is a dust arrester installation energy saving and emission reduction reforms transform structure.

Background

The electric dust collection is often applied to industries such as cement, metallurgy and the like, is a technology for collecting dust-containing gas by utilizing the action of an electric field, has strong adaptability to various dust-containing gases, is suitable for collecting fine dust, can treat corrosive and high-temperature gases, has large waste gas treatment amount, and has the working principle that a high-voltage electric field ionizes smoke, and dust in airflow is separated from the airflow under the action of the electric field after being charged. Although the existing electric dust collector has a plurality of advantages, the problems of low dust collection efficiency, difficult internal cleaning, high energy consumption and the like still exist. Therefore, the existing electric dust collector needs to be improved.

Disclosure of Invention

An object of the utility model is to provide a dust arrester installation energy saving and emission reduction reforms transform structure possesses dust collection efficiency height, inside and washs advantages such as convenient, the energy consumption is low, has solved the problem of proposing in the background art.

In order to achieve the above object, the utility model provides a following technical scheme:

an energy-saving emission-reducing improved structure of a dust collecting device comprises an air inlet chamber, an electric dust collecting chamber, an ash falling chamber and an air outlet chamber, wherein a high-voltage variable-frequency fan is arranged at the front end of the air inlet chamber; the electric dust collecting chamber front chamber is provided with a gas filtering device; a discharge metal net is arranged on the right side of the gas filtering device; the middle part of the electric dust collecting chamber is provided with a first guide plate, a second guide plate, a third guide plate and two electric dust collectors, and the three guide plates are arranged in parallel to form a circuitous path; the electric dust collector is arranged between the guide plates in an inserting manner; the inner cavities of the first guide plate and the third guide plate are hollow, an air injection device is arranged in each cavity, and a plurality of round holes are formed in the surface of one side of each cavity; the inner cavity of the second guide plate is hollow, a water spraying device is arranged in the inner cavity, and a plurality of round holes are formed in the surfaces of the two sides of the inner cavity; the upper end of the electric dust collector is provided with a high-voltage variable frequency motor connected with the top of the electric dust collecting chamber; the lower end of the high-voltage variable frequency motor is provided with a cylindrical electrode bar; the gas filtering device can preliminarily filter particles with large particle size, and the electric dust collecting chamber collects particles with small particle size, so that the dust removal efficiency can be improved; the diversion plates are arranged in a roundabout manner, so that the contact time of the electric dust collector and particles is prolonged, and the electric dust collection efficiency is improved; the water spraying device and the air spraying device are arranged in the guide plate, so that the using space is saved, the cleaning area is increased, and the electric dust collecting chamber can be quickly cleaned.

Preferably, the surfaces of the first guide plate and the third guide plate are made of insulating materials, and a plurality of air injection devices are arranged in parallel in an inner cavity; the air injection device consists of an air injection pump, an air injection pipe and an air injection valve; the bottom end of the gas injection pipe is connected with a gas injection pump, and one side of the pipe wall is provided with a gas injection valve; the air injection valve is arranged in a round hole on one side of the surface of the guide plate.

Preferably, the surface of the second guide plate is made of an insulating material, and a plurality of water spraying devices are arranged in parallel in the inner cavity; the water spraying device consists of a water spraying pump, a water spraying pipe and a water spraying valve; the top end of the spray pipe is connected with a spray pump, and two sides of the pipe wall are provided with spray valves; the water spraying valve is arranged in the round holes at the two sides of the two surfaces of the guide plate.

Preferably, the two electric dust collectors work independently; the high-voltage variable frequency motor is provided with a timing device; the electrode rod is used for adsorbing charged particles after discharging.

Preferably, the gas filtering device is provided with criss-cross filtering holes for filtering particles with large particle size.

Preferably, the discharge metal net is a net-shaped structure used for enabling passing particles to be charged, and the net-shaped structure can increase the contact area of the discharge metal net and the particles and improve the charging efficiency of the particles.

Compared with the prior art, the beneficial effects of the utility model are as follows:

(1) The air inlet chamber of the utility model is provided with a high-voltage variable frequency fan which can adjust the air inlet volume along with the working condition, the electric dust collecting chamber is provided with two filtering procedures, firstly, a gas filtering device is adopted to filter out large-particle-size particles, and small-particle-size particles are filtered by adopting an electric dust collection mode, and the guide plate is arranged in a roundabout way, so that air flow fully flows in the electric dust collection chamber, and the dust collection efficiency is improved.

(2) The utility model discloses a guide plate inner chamber is equipped with air jet system and water jet equipment, through air jet system and water jet equipment's cooperation, can be to carrying out deep cleaning, convenient high efficiency in the dust collecting chamber.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a structure of a baffle of the present invention;

FIG. 3 is a schematic structural view of a second deflector of the present invention;

in the figure: 1. an air intake chamber; 2. an electric dust collection chamber; 3. an ash falling chamber; 4. an air outlet chamber; 5. a gas filtering device; 6. a discharge metal mesh; 7. a first guide plate; 8. a second guide plate; 9. a third guide plate; 10. an electric dust collector; 11. an air injection device; 12. a jet pump; 13. a gas ejector tube; 14. an air injection valve; 15. a water spraying device; 16. a water jet pump; 17. a water spray pipe; 18. a water spray valve; 19. a high voltage variable frequency motor; 20. an electrode rod; 21. high-voltage variable frequency fan.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Example one

As shown in fig. 1 to 3, an energy-saving emission-reducing transformation structure of a dust collecting device comprises an air inlet chamber 1, an electric dust collecting chamber 2, an ash falling chamber 3 and an air outlet chamber 4, wherein a high-voltage variable-frequency fan 21 is arranged at the front end of the air inlet chamber 1; the front chamber of the electric dust collecting chamber 2 is provided with a gas filtering device 5; the right side of the gas filtering device 5 is provided with a discharging metal net 6; the middle part of the electric dust collecting chamber 2 is provided with a first guide plate 7, a second guide plate 8, a third guide plate 9 and two electric dust collectors 10, and the three guide plates are arranged in parallel to form a circuitous path; the electric dust collector 10 is arranged between the guide plates in an inserting manner; the inner cavities of the first guide plate 7 and the third guide plate 9 are hollow, an air injection device 11 is arranged in each cavity, and a plurality of round holes are formed in the surface of one side of each cavity; the inner cavity of the second guide plate 8 is hollow, a water spraying device 15 is arranged in the inner cavity, and a plurality of round holes are formed in the surfaces of the two sides of the inner cavity; the upper end of the electric dust collector 10 is provided with a high-voltage variable frequency motor 19 connected with the top of the electric dust collecting chamber 2; the lower end of the high-voltage variable frequency motor 19 is provided with a cylindrical electrode rod 20.

The surfaces of the first guide plate 7 and the third guide plate 9 are made of insulating materials, and a plurality of air injection devices 11 are arranged in parallel in an inner cavity; the air injection device 11 consists of an air injection pump 12, an air injection pipe 13 and an air injection valve 14; the bottom end of the gas injection pipe 13 is connected with a gas injection pump 12, and one side of the pipe wall is provided with a gas injection valve 14; the air injection valve 14 is arranged in a round hole on one side of the surface of the guide plate.

The surface of the second guide plate 8 is made of an insulating material, and a plurality of water spraying devices 15 are arranged in parallel in an inner cavity; the water spraying device 15 consists of a water spraying pump 16, a water spraying pipe 17 and a water spraying valve 18; the top end of the spray pipe 17 is connected with a spray pump 16, and two sides of the pipe wall are provided with spray valves 18; the water spraying valve 18 is arranged in the round holes on the two sides of the surface of the second guide plate 8.

The two electric dust collectors 10 work independently; the high-voltage variable frequency motor 19 is provided with a timing device; the electrode rod 20 is used for adsorbing charged particles after discharge. The high-voltage variable frequency motor 19 can adjust the power of the motor according to actual needs, and the timing device is used for setting a work doing period, so that the energy consumption is reduced.

The gas filtering device 5 is provided with criss-cross filtering holes for filtering particles with large particle size.

The discharge metal mesh 6 is a mesh-like structure for charging the passing particles.

In order to facilitate understanding of the present invention, the following will briefly describe the working process thereof: the discharged gas is sent into the gas inlet chamber 1 through the high-voltage variable-frequency fan 21, particles with large particle diameters in the gas are intercepted and fall into the dust falling chamber 3 when passing through the gas filtering device 5, the residual gas continuously flows forwards, the particles in the gas are charged when passing through the discharging metal net 6, the gas bypasses in a detour passage formed by a first guide plate 7, a second guide plate 8 and a third guide plate 9, the charged particles are adsorbed on the electrode rod 20 when passing through two electric dust collectors 10 and do work through the high-voltage variable-frequency motor 19, the charged particles fall into the dust falling chamber 3 after being shaken, and the gas after dust removal is discharged from the gas outlet chamber 4. After the dust removal work is finished, the water spraying device 15 on the second flow guide plate 8 sprays water to two sides, and water flow is sprayed out from the water spraying valve 18 to two sides through the water spraying pipe 17 by the water spraying pump 16; after the water spraying is finished, the air spraying devices 11 on the first guide plate 7 and the third guide plate 9 spray air to one side, and the air flow is sprayed to one side from the air spraying valve 14 through the air spraying pipe 13 by the air spraying pump 12; the electrode bar 20 and the electric dust collecting chamber 2 are deeply cleaned through the cooperative work of the air injection device 11 and the water injection device 15, and residual dust particles fall into the dust falling chamber 3 after being cleaned.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a dust arrester installation energy saving and emission reduction reforms transform structure, includes air inlet chamber (1), electric dust collecting chamber (2), ash falling chamber (3), air outlet chamber (4), its characterized in that: the front end of the air inlet chamber (1) is provided with a high-voltage variable-frequency fan (21); the front chamber of the electric dust collecting chamber (2) is provided with a gas filtering device (5); a discharge metal net (6) is arranged on the right side of the gas filtering device (5); the middle part of the electric dust collecting chamber (2) is provided with a first guide plate (7), a second guide plate (8), a third guide plate (9) and two electric dust collectors (10), and the three guide plates are arranged in parallel to form a circuitous path; the electric dust collector (10) is arranged between the guide plates in an inserting way; the inner cavities of the first guide plate (7) and the third guide plate (9) are hollow, an air injection device (11) is arranged in each cavity, and a plurality of round holes are formed in the surface of one side of each cavity; the inner cavity of the second guide plate (8) is hollow, a water spraying device (15) is arranged in the inner cavity, and a plurality of round holes are formed in the surfaces of the two sides of the inner cavity; the upper end of the electric dust collector (10) is provided with a high-voltage variable-frequency motor (19) connected with the top of the electric dust collecting chamber (2); the lower end of the high-voltage variable frequency motor (19) is provided with a cylindrical electrode bar (20).

2. The energy-saving emission-reducing reconstruction structure of the dust collecting device according to claim 1, characterized in that: the surfaces of the first guide plate (7) and the third guide plate (9) are made of insulating materials, and a plurality of air injection devices (11) are arranged in parallel in an inner cavity; the air injection device (11) consists of an air injection pump (12), an air injection pipe (13) and an air injection valve (14); the bottom end of the gas injection pipe (13) is connected with a gas injection pump (12), and one side of the pipe wall is provided with a gas injection valve (14); the air injection valve (14) is arranged in a round hole on one side of the surface of the guide plate.

3. The energy-saving emission-reducing transformation structure of the dust collecting device according to claim 1, characterized in that: the surface of the second guide plate (8) is made of an insulating material, and a plurality of water spraying devices (15) are arranged in parallel in an inner cavity; the water spraying device (15) consists of a water spraying pump (16), a water spraying pipe (17) and a water spraying valve (18); the top end of the water spray pipe (17) is connected with a water spray pump (16), and water spray valves (18) are arranged on two sides of the pipe wall; the water spraying valve (18) is arranged in the round holes at the two sides of the surface of the second guide plate (8).

4. The energy-saving emission-reducing transformation structure of the dust collecting device according to claim 1, characterized in that: the two electric dust collectors (10) work independently; the high-voltage variable frequency motor (19) is provided with a timing device; the electrode rod (20) is used for adsorbing charged particles after discharge.

5. The energy-saving emission-reducing transformation structure of the dust collecting device according to claim 1, characterized in that: the gas filtering device (5) is provided with criss-cross filtering holes for filtering particles with large particle size.

6. The energy-saving emission-reducing transformation structure of the dust collecting device according to claim 1, characterized in that: the discharge metal net (6) is a net-shaped structure and is used for enabling passing particles to be charged.