Electrostatic dust collection device

Abstract

The utility model provides an electrostatic dust collection device, and belongs to the technical field of electrostatic dust collection. The electrostatic dust collection device comprises a dust collection mechanism and a recovery mechanism, the dust collection mechanism comprises a dust collection box, a dust guide cover is installed at the top of the dust collection box, a dust collection cavity is formed in the center of the interior of the dust collection box, a support is installed at the bottom of the dust collection cavity, a water cavity is formed in the interior of the dust collection box around the dust collection cavity, and anode plates are installed on the wall faces of the dust collection cavity; a first pump machine is installed in the water cavity, the input end of the first pump machine is connected with a water inlet pipe, an annular pipe is installed at the top of the dust removal cavity, clean water in the water cavity is pumped into the annular pipe through the first pump machine, and the clean water is sprayed out through a spray head; and the sprayed clean water forms a water curtain on the surface of the anode plate, so that most dust attached to the anode plate is washed away, the effect of cleaning the anode plate is achieved, and the dust collection effect of the anode plate is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electrostatic dust removal, in particular to an electrostatic dust removal device. Background Art

[0002] Electrostatic precipitation is a method of gas dust removal. Dust-laden gas is electrically separated when passing through a high-voltage electrostatic field. Dust particles, combined with negative ions, become negatively charged and then discharge toward the anode surface, where they are deposited. Used in industries such as metallurgy and chemistry to purify gases or recover useful dust particles, this method utilizes an electrostatic field to ionize the gas, causing the charged dust particles to attract to the electrodes. In the strong electric field, air molecules are ionized into positive ions and electrons. As the electrons travel toward the positive electrode, they encounter dust particles, causing them to become negatively charged and attract to the positive electrode, where they are collected. It is widely used in coal-fired factories and power plants to collect coal ash and dust from flue gases.

[0003] A conventional electrostatic precipitator is composed of two electrodes with opposite polarities, one of which is a strip or linear discharge electrode, namely the cathode, and the other is a plate-shaped dust collecting electrode, namely the anode. During operation, the cathode and the anode are under high voltage, resulting in cathode corona discharge, which charges the gas dust. The charged dust moves toward the plates of opposite polarity and is adsorbed on the plates. Therefore, after the electrostatic precipitator has been running for a period of time, a lot of dust will accumulate on the anode. In order to prevent the dust on the anode from affecting the anode's adsorption of dust, the anode plate needs to be cleaned. Utility Model Content

[0004] In order to make up for the above deficiencies, the utility model provides an electrostatic dust removal device.

[0005] The utility model is achieved in this way:

[0006] An electrostatic dust removal device includes a dust removal mechanism and a recovery mechanism, the dust removal mechanism includes a dust removal box, a dust hood is installed on the top of the dust removal box, a dust removal chamber is opened at the inner center of the dust removal box, a bracket is installed at the bottom of the dust removal chamber, a water chamber is opened around the dust removal chamber inside the dust removal box, anode plates are installed on the walls of the dust removal chamber, and four groups of anode plates are connected to each other, a cathode column is installed on the top of the bracket, a first pump is installed inside the water chamber, and the input end of the first pump is connected to the water inlet pipe, an annular pipe is installed on the top of the dust removal chamber, and the annular pipe is connected to the output end of the first pump, a plurality of conduits are connected to the outside of the annular pipe, and the free end of the conduit is connected to a nozzle.

[0007] The beneficial effect of adopting the above-mentioned further scheme is that the anode plate is grounded and the cathode column is energized. At this time, a high-voltage electrostatic field is formed between the anode plate and the cathode column. The exhaust gas enters the dust removal box through the dust hood. The dust particles in it are combined with negative ions and carry negative charges. They will tend to discharge and deposit on the anode surface. The first pump pumps the clean water in the water cavity into the annular tube and sprays it out through the nozzle. The sprayed clean water forms a water curtain on the surface of the anode plate, thereby washing away most of the dust attached to the anode plate, so as to achieve the effect of cleaning the anode plate, thereby improving the dust absorption effect of the anode plate. The free end of the water inlet pipe is close to the bottom of the water cavity, and the first pump can pump most of the clean water in the water cavity into the annular tube.

[0008] Furthermore, a water supply groove is provided on the outside of the dust removal box, and a first one-way valve is installed on one side of the water supply groove. The input end of the first one-way valve is connected to a water supply pipe. A connecting groove is provided on the outside of the water supply pipe, and a water supply pipe is connected in the connecting groove. The free end of the water supply pipe is connected to a flange.

[0009] The beneficial effect of adopting the above further solution is that the flange is connected to the external pipeline, and the water adding pipe and the water supply pipe are used to add external clean water into the water cavity. At the same time, the first one-way valve can prevent the clean water in the water cavity from flowing back.

[0010] Furthermore, the recovery mechanism includes a water tank, which is located below the dust removal box, and the bottom of the dust removal box is provided with an outlet connected to the dust removal chamber, the bottom of the outlet is connected to a water inlet hood, and the bottom of the water inlet hood is connected to a square tube.

[0011] Furthermore, an inlet is provided at the top center of the water tank, and a plate valve is connected between the inlet and the square tube. An air hole is provided on the outside of the water induction cover, and an electromagnetic valve is connected to the air hole.

[0012] The beneficial effect of adopting the above-mentioned further scheme is that, when removing dust, the plate valve is closed and the solenoid valve is opened, and the dust-removed air will flow out through the air holes. When cleaning, the plate valve is opened and the solenoid valve is closed, and the water containing dust will flow into the water tank. At the same time, the inner part of the water inlet hood close to the bottom surface is a slope, so it can guide the water to flow into the water tank.

[0013] Furthermore, a second pump is installed on the outside of the water tank, a connecting pipe is connected between the input end of the second pump and the water tank, the output end of the second pump is connected to a return pipe, and a second one-way valve is connected between the return pipe and the water supply pipe.

[0014] The beneficial effect of adopting the above-mentioned further scheme is that, by using the connecting pipe located inside the water tank and close to the top of the water tank, when the sewage settles in the water tank, the cleaner water will be located in the upper part of the water tank. At this time, starting the second pump can pump this part of water into the water cavity through the return pipe and the water supply pipe. At the same time, the second one-way valve can be used to prevent the water from flowing back into the water tank.

[0015] Furthermore, a cleaning port is provided at the bottom of the water tank, and a tank cover is connected to the cleaning port, and the tank cover and the bottom of the water tank are connected by screws.

[0016] The beneficial effect of adopting the above further solution is that the box cover and the cleaning port are sealed to prevent moisture from flowing out therebetween, and after the box cover is opened, the top and the inner wall of the water tank can be cleaned.

[0017] Furthermore, wire grooves are provided on the outer side of the dust removal box and the wall surface of the dust removal cavity, and waterproof sleeves are connected between the wire grooves, and the waterproof sleeves are located inside the water cavity.

[0018] The beneficial effect of adopting the above further solution is that the power connection lines and grounding lines of the cathode column and the anode plate extend to the outside of the device through a pair of wire troughs, and the parts of these lines located in the water cavity are protected by waterproof sleeves. At the same time, the lines themselves are also covered with waterproof sleeves, thereby eliminating the influence of moisture on the lines.

[0019] The beneficial effects of the present invention are as follows: the present invention obtains an electrostatic dust removal device through the above design, the anode plate is grounded, and the cathode column is energized, at this time a high-voltage electrostatic field is formed between the anode plate and the cathode column, the exhaust gas enters the dust removal box through the dust hood, the dust particles in it are combined with negative ions and carry negative charge, and they tend to discharge and deposit on the anode surface, the first pump pumps the clean water in the water cavity into the annular tube, and sprays it out through the nozzle, and the sprayed clean water forms a water curtain on the surface of the anode plate, thereby washing away most of the dust attached to the anode plate, so as to achieve the effect of cleaning the anode plate, thereby improving the dust suction effect of the anode plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0021] Figure 1 A schematic diagram of the three-dimensional structure of an electrostatic dust removal device provided by the utility model;

[0022] Figure 2A schematic diagram of the exploded cross-section structure of an electrostatic dust removal device provided by the utility model;

[0023] Figure 3 for Figure 2 A schematic diagram of the structure of the A structure in the middle;

[0024] Figure 4 This is a schematic side structural diagram of an electrostatic dust removal device provided by the utility model.

[0025] In the figure: 100, dust removal mechanism; 1001, dust removal box; 1002, dust hood; 1003, water supply pipe; 1004, first one-way valve; 1005, water supply pipe; 1006, flange; 1007, dust removal chamber; 1008, water chamber; 1009, bracket; 1010, anode plate; 1011, cathode column; 1012, annular pipe; 1013, conduit; 1014, nozzle; 200, recovery mechanism; 2001, water tank; 2002, water hood; 2003, square pipe; 2004, plate valve; 2005, solenoid valve; 2006, second pump; 2007, return pipe; 2008, second one-way valve. DETAILED DESCRIPTION

[0026] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0027] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but rather merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0028] Embodiment 1 of an electrostatic dust removal device of the utility model

[0029] The utility model provides the following technical solutions: Figures 1-4, including a dust removal mechanism 100 and a recovery mechanism 200, the dust removal mechanism 100 includes a dust removal box 1001, a dust hood 1002 is installed on the top of the dust removal box 1001, a dust removal chamber 1007 is opened at the center of the dust removal box 1001, a bracket 1009 is installed at the bottom of the dust removal chamber 1007, a water chamber 1008 is opened around the dust removal chamber 1007 inside the dust removal box 1001, anode plates 1010 are installed on the walls of the dust removal chamber 1007, and four groups of anode plates 1010 are connected to each other, a cathode column 1011 is installed on the top of the bracket 1009, a first pump is installed inside the water chamber 1008, and the input end of the first pump is connected to the water inlet pipe, an annular pipe 1012 is installed on the top of the dust removal chamber 1007, and the annular pipe 1012 is connected to the output end of the first pump, and a plurality of conduits 1013 are connected to the outside of the annular pipe 1012, and the conduits The free end of 1013 is connected to a nozzle 1014, the anode plate 1010 is grounded, and the cathode column 1011 is energized. At this time, a high-voltage electrostatic field is formed between the anode plate 1010 and the cathode column 1011, and the exhaust gas enters the dust removal box 1001 through the dust hood 1002. The dust particles in it are combined with negative ions and are negatively charged, and they tend to discharge and deposit on the anode surface. The first pump pumps the clean water in the water cavity 1008 into the annular tube 1012 and sprays it out through the nozzle. The sprayed clean water forms a water curtain on the surface of the anode plate 1010, thereby washing away most of the dust attached to the anode plate 1010, so as to achieve the effect of cleaning the anode plate 1010, thereby improving the dust collection effect of the anode plate 1010. The free end of the water inlet pipe is close to the bottom of the water cavity 1008, and the first pump can pump most of the clean water in the water cavity 1008 into the annular tube 1012.

[0030] Embodiment 2 of an electrostatic dust removal device of the utility model

[0031] Reference Figures 1-4 Specifically, a second pump 2006 is installed on the outside of the water tank 2001, and a connecting pipe is connected between the input end of the second pump 2006 and the water tank 2001, and the output end of the second pump 2006 is connected to the return pipe 2007, and a second one-way valve 2008 is connected between the return pipe 2007 and the water supply pipe 1003. The connecting pipe is located inside the water tank 2001 and close to the top of the water tank 2001. When the sewage settles in the water tank 2001, the cleaner water will be located in the upper part of the water tank 2001. At this time, starting the second pump 2006 can pump this part of water into the water cavity 1008 through the return pipe 2007 and the water supply pipe 1003. At the same time, the second one-way valve 2008 can prevent the water from flowing back into the water tank 2001.

[0032] Embodiment 3 of an electrostatic dust removal device of the utility model

[0033] Reference Figures 1-4Specifically, a water supply groove is provided on the outside of the dust removal box 1001, and a first one-way valve 1004 is installed on one side of the water supply groove. The input end of the first one-way valve 1004 is connected to the water supply pipe 1003. A connecting groove is provided on the outside of the water supply pipe 1003. A water supply pipe 1005 is connected to the connecting groove. The free end of the water supply pipe 1005 is connected to a flange 1006. The flange 1006 is used to connect to the external pipeline. The water supply pipe 1005 and the water supply pipe 1003 are used to add external clean water into the water cavity 1008. At the same time, the first one-way valve 1004 can prevent the clean water in the water cavity 1008 from flowing back.

[0034] Specifically, the working principle of this electrostatic dust removal device is as follows: when in use, the device is placed vertically, with the water tank 2001 located at the bottom, and the exhaust pipe is connected to the dust cover 1002. Then the device is powered on, and a high-voltage electrostatic field is formed between the anode plate 1010 and the cathode column 1011. When removing dust, the plate valve 2004 is closed and the solenoid valve 2005 is opened. The exhaust gas enters the dust removal box 1001 through the dust cover 1002, and the dust particles in it are combined with negative ions and carry negative electricity, and then tend to The dust is discharged to the surface of the anode and deposited, and the dust-removed air will flow out through the pores. During cleaning, the plate valve 2004 is opened, the solenoid valve 2005 is closed, and the first pump is started. The first pump pumps the clean water in the water cavity 1008 into the annular tube 1012 and sprays it out through the nozzle. The sprayed clean water forms a water curtain on the surface of the anode plate 1010, thereby washing away most of the dust attached to the anode plate 1010, and the water containing the dust flows into the water tank 2001.

[0035] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. An electrostatic dust removal device, characterized in that: The invention comprises a dust removal mechanism (100) and a recovery mechanism (200), wherein the dust removal mechanism (100) comprises a dust removal box (1001), a dust hood (1002) is installed on the top of the dust removal box (1001), a dust removal cavity (1007) is provided at the center of the interior of the dust removal box (1001), a bracket (1009) is installed at the bottom of the dust removal cavity (1007), a water cavity (1008) is provided in the interior of the dust removal box (1001) surrounding the dust removal cavity (1007), and anode plates (101) are installed on the walls of the dust removal cavity (1007). 0), and the four groups of anode plates (1010) are connected to each other, a cathode column (1011) is installed on the top of the bracket (1009), a first pump is installed inside the water cavity (1008), and the input end of the first pump is connected to the water inlet pipe, an annular tube (1012) is installed on the top of the dust removal cavity (1007), and the annular tube (1012) is connected to the output end of the first pump, the outer side of the annular tube (1012) is connected to a plurality of conduits (1013), and the free end of the conduit (1013) is connected to a nozzle (1014).

2. An electrostatic precipitator according to claim 1, characterized in that: A water supply groove is provided on the outside of the dust removal box (1001), and a first one-way valve (1004) is installed on one side of the water supply groove. The input end of the first one-way valve (1004) is connected to a water supply pipe (1003). A connecting groove is provided on the outside of the water supply pipe (1003), and a water supply pipe (1005) is connected in the connecting groove. The free end of the water supply pipe (1005) is connected to a flange (1006).

3. An electrostatic precipitator according to claim 2, characterized in that: The recovery mechanism (200) comprises a water tank (2001), the water tank (2001) is located below the dust removal box (1001), and the bottom of the dust removal box (1001) is provided with an outlet connected to the dust removal chamber (1007), the bottom of the outlet is connected to a water inlet cover (2002), and the bottom of the water inlet cover (2002) is connected to a square tube (2003).

4. An electrostatic precipitator according to claim 3, characterized in that: An inlet is provided at the top center of the water tank (2001), and a plate valve (2004) is connected between the inlet and the square tube (2003). An air hole is provided on the outside of the water inlet cover (2002), and a solenoid valve (2005) is connected to the air hole.

5. An electrostatic precipitator according to claim 4, characterized in that: A second pump (2006) is installed outside the water tank (2001), a connecting pipe is connected between the input end of the second pump (2006) and the water tank (2001), the output end of the second pump (2006) is connected to a return pipe (2007), and a second one-way valve (2008) is connected between the return pipe (2007) and the water supply pipe (1003).

6. An electrostatic precipitator according to claim 5, characterized in that: The bottom of the water tank (2001) is provided with a cleaning opening, and the cleaning opening is connected to a tank cover, and the tank cover and the bottom of the water tank (2001) are connected by screws.

7. The electrostatic precipitator according to claim 1, characterized in that: Wire grooves are provided on the outer side of the dust removal box (1001) and the wall surface of the dust removal chamber (1007), and waterproof sleeves are connected between the wire grooves, and the waterproof sleeves are located inside the water chamber (1008).

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