Dust removal device for concrete processing

Abstract

The utility model relates to the technical field of dust removal in concrete processing, and discloses a dust removal device for concrete processing, which is characterized in that a first-stage cyclone, a second-stage cyclone and a third-stage cyclone are sequentially arranged in a dust removal box, and dust-containing gas is treated step by step by utilizing a cyclone separation principle, so that the dust removal efficiency is improved. Gas subjected to primary treatment enters a secondary treatment box through a gas guide groove, the flowing direction of the gas is changed when the gas enters the secondary treatment box by utilizing an L-shaped collision plate in the secondary treatment box, part of dust is settled due to collision with the collision plate due to inertia, interception is realized, an ion generator works to generate a large number of ions, the ions collide with dust particles in the gas, so that the dust particles are electrified, and the dust particles are discharged from the secondary treatment box. And charged dust particles move towards the grounding polar plate and are adsorbed on the grounding polar plate under the action of an electric field formed by the electrode bar and the grounding polar plate, so that the tiny dust particles are efficiently captured, the gas is further purified, the discharged gas is ensured to reach a higher environmental protection standard, and the pollution to the environment is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to concrete processing dust removal technical field especially, relates to a dust removal device for concrete processing. BACKGROUND

[0002] In the concrete processing, a large amount of dust will be produced, these dusts not only will influence the normal operation of processing equipment, reduce the service life of equipment, increase equipment maintenance cost, cause pollution to working environment, at the same time, to the health of operator, a large amount of dust produced in the concrete processing contains many toxic components, like cement ash, fly ash etc., when human body inhales dust, the particle less than 5 microns easily penetrates into lung, can cause toxic pneumonia, silicosis, even lung cancer.

[0003] The existing concrete processing dust removal device has poor dust removal effect, cannot satisfy increasingly strict environmental protection requirement, most filter type dust removal devices, filter material is easy to block, needs frequent replacement, and maintenance cost is high and operation is complicated, in the continuous production concrete processing scene, will lead to production interruption, influence production efficiency. UTILITY MODEL CONTENT

[0004] In view of the filter type dust removal device, filter material is easy to block, needs frequent replacement, and maintenance cost is high and operation is complicated, in the continuous production concrete processing scene, will lead to production interruption, influence production efficiency, the utility model provides a dust removal device for concrete processing, has the advantages such as multistage processing, efficient filtration, solves the problem mentioned in the background art.

[0005] The utility model provides following technical scheme: a dust removal device for concrete processing, including dust removal box, the inner wall of dust removal box is equipped with primary cyclone, secondary cyclone and tertiary cyclone in proper order, the bottom of dust removal box is provided with cavity, the upper end of cavity is linked with the bottom of tertiary cyclone, the side of tertiary cyclone is provided with gas guide groove, the bottom one side of dust removal box is fixedly connected with secondary processing box, the outer side one end of gas guide groove is linked with the upper end side of secondary processing box, the inner surface upper end of secondary processing box is fixedly connected with L type impact plate, the inner side of L type impact plate corresponds with gas guide groove export end, the inside upper end of secondary processing box is uniformly fixedly connected with multiple groups of insulating support, the bottom of multiple insulating supports is fixedly connected with multiple electrode rods, the inner surface bottom of secondary processing box is equipped with grounding electrode plate, the front surface middle part of secondary processing box is installed with ion generator, the output head of ion generator is arranged in the inside of secondary processing box.

[0006] Preferably, the upper end side of the dust removal box is welded with an air inlet pipe, and the inner side of the air inlet pipe is communicated with the inner side of the primary cyclone.

[0007] By setting the air inlet pipe, the air inlet pipe accesses the primary cyclone cylinder in a tangent direction, and when the dust-containing gas enters from the air inlet pipe, a high-speed rotating airflow is formed in the cyclone cylinder.

[0008] Preferably, the inside of the cavity is provided with a collection box, the inner wall of the cavity is symmetrically provided with a dovetail slot, and the two sides of the collection box are fixedly connected with a plug strip.

[0009] Through the setting of the plug strip and the dovetail slot, the collection box can be conveniently disassembled.

[0010] Preferably, the front surface of the secondary treatment box is hingedly connected with a movable door, and the movable door is installed at the bottom of the secondary treatment box through two hinges and is provided with a lock hole on the surface.

[0011] Through the setting of the movable door, the purpose of regularly cleaning the ground electrode plate is achieved.

[0012] Preferably, the inner wall of the secondary treatment box is symmetrically fixedly connected with two limiting blocks at the bottom, and the bottom of the two limiting blocks is spaced apart from the bottom of the inner surface of the secondary treatment box.

[0013] The movement of the ground electrode plate in the secondary treatment box is limited by the limiting blocks, so that the stability of the electric field is ensured.

[0014] Preferably, the two sides of the ground electrode plate are respectively inserted into the gaps reserved in the limiting blocks and the secondary treatment box, and the side of the secondary treatment box is welded with an air outlet.

[0015] The utility model has the following effects:

[0016] 1. By sequentially arranging a primary cyclone cylinder, a secondary cyclone cylinder and a tertiary cyclone cylinder in the dust removal box, utilizing the cyclone separation principle, the dust-containing gas is treated step by step, the gas after preliminary treatment enters the secondary treatment box through the air guide groove, and the L-shaped collision plate in the secondary treatment box is used to change the flow direction of the gas when it enters, part of the dust settles due to inertia and collision with the collision plate, interception is realized, a large amount of ions are generated by the ion generator, these ions collide with the dust particles in the gas, the dust particles are charged, the charged dust particles move to the ground electrode plate under the action of the electric field formed by the electrode rod and the ground electrode plate and are adsorbed on the ground electrode plate, thereby realizing efficient capture of the tiny dust particles, further purifying the gas, ensuring that the discharged gas meets higher environmental protection standards and reducing pollution to the environment.

[0017] 2, the collection box is connected with the dovetail slot of the cavity inner wall through the plug strip, convenient to disassemble and install, the dust after cyclone separation falls into the collection box, convenient to collect and handle, avoids dust accumulation in the equipment affecting the dust removal effect, and the movable door arranged on the front surface of the secondary treatment box is convenient to open, and the inside of the secondary treatment box is cleaned and maintained, especially the dust adsorbed on the grounding electrode plate is cleaned, simple operation, reduces the maintenance cost and workload. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a front view structure schematic diagram of the utility model;

[0019] Figure 2 It is a dust removal box internal section structure schematic diagram of the utility model;

[0020] Figure 3 It is a whole section view structure schematic diagram of the utility model;

[0021] Figure 4 It is a secondary treatment box inside bottom structure schematic diagram of the utility model.

[0022] In the drawing: 1, dust removal box;2, air inlet pipe;3, primary cyclone;4, secondary cyclone;5, tertiary cyclone;6, cavity;7, dovetail slot;8, collection box;9, plug strip;10, secondary treatment box;11, gas guide groove;12, movable door;13, L-shaped collision plate;14, insulating support;15, electrode rod;16, grounding electrode plate;17, limit stop;18, ion generator;19, air outlet. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0024] Please refer to Figures 1-2 A dust removal device for concrete processing, comprising a dust removal box 1, the inner wall of the dust removal box 1 is sequentially provided with a primary cyclone 3, a secondary cyclone 4 and a tertiary cyclone 5, a cavity 6 is formed in the bottom of the dust removal box 1, the upper end of the cavity 6 is communicated with the bottom of the tertiary cyclone 5, the primary cyclone 3, the secondary cyclone 4 and the tertiary cyclone 5 are sequentially arranged in the dust removal box 1, and the dust particles in the gas are thrown to the cylinder wall by using the principle of cyclone centrifugal separation, so that the dust-containing gas is treated step by step.

[0025] Please refer to Figure 3The side of the three-stage cyclone 5 is provided with a gas guide groove 11, and the bottom side of the dust removal box 1 is fixedly connected with a secondary treatment box 10, and the outer side of the gas guide groove 11 is connected with the upper end side of the secondary treatment box 10, and the gas after the preliminary treatment enters the secondary treatment box 10 through the gas guide groove 11, and the inner surface of the secondary treatment box 10 is fixedly connected with an L-shaped collision plate 13, and the inner side of the L-shaped collision plate 13 corresponds to the outlet end of the gas guide groove 11, and the L-shaped collision plate 13 in the secondary treatment box 10 changes the flow direction of the gas when entering, and part of the dust is settled due to inertia and collision with the collision plate, so that the dust content in the air is further reduced.

[0026] Please refer to Figures 3-4 The inner upper end of the secondary treatment box 10 is fixedly connected with a plurality of groups of insulation supports 14, and the bottom of the plurality of insulation supports 14 is fixedly connected with a plurality of electrode rods 15, and the inner surface of the secondary treatment box 10 is provided with a grounding plate 16, and in the secondary treatment box 10, the electrode rod 15 and the grounding plate 16 are respectively connected to the positive and negative poles of the external power supply, so as to form a strong electric field between them, and when the dust particles are charged, they start to move under the action of the electric field force, and the dust particles with positive charge will move towards the grounding plate 16 connected to the negative pole of the power supply, and most of the charged dust particles will be adsorbed on the grounding plate 16, so that the dust content in the gas is gradually reduced, and the gas is further purified, and the finally purified gas is discharged from the secondary treatment box 10, and the charged dust particles move to the grounding plate 16 under the action of the electric field formed by the electrode rod 15 and the grounding plate 16 and are adsorbed thereon, so as to realize high-efficiency capture of the small dust particles and further purify the gas, so as to ensure that the discharged gas meets higher environmental protection standards, reduces pollution to the environment, and the positive surface of the secondary treatment box 10 is provided with an ion generator 18, and the output head of the ion generator 18 penetrates the inside of the secondary treatment box 10, so that the generated ions can contact the dust in a short distance, improve the dust charging efficiency, and create favorable conditions for subsequent electrostatic adsorption, and the ion generator 18 generates a large amount of ions, which collide with the dust particles in the gas to charge the dust particles, so that the small dust particles are more easily electrostatically adsorbed.

[0027] Please refer to Figures 1-2 The upper end side of the dust removal box 1 is welded with an air inlet pipe 2, the inner side of the air inlet pipe 2 is connected with the inner side of the primary cyclone 3, the inside of the cavity 6 is provided with a collection box 8, the inner wall of the cavity 6 is symmetrically provided with a dovetail slot 7, and the two sides of the collection box 8 are fixedly connected with a plug strip 9, and the collection box 8 is connected to the inside of the cavity 6 through the plug strip 9, and the collection box 8 is connected to the dovetail slot 7 of the inner wall of the cavity 6 through the plug strip 9, so as to facilitate disassembly and installation, and the dust after cyclone separation falls into the collection box 8, so as to facilitate centralized cleaning and treatment, and avoid dust accumulation in the equipment to affect the dust removal effect.

[0028] Please refer to Figures 2-4The bottom of the front surface of the secondary processing box 10 is hingedly connected with a movable door 12, the movable door 12 is installed on the bottom of the secondary processing box 10 through two hinges and is provided with a lock hole on the surface, the inner wall bottom of the secondary processing box 10 is fixedly connected with two limiting blocks 17, the bottom of the two limiting blocks 17 is left with a gap with the inner surface bottom of the secondary processing box 10, the two sides of the grounding plate 16 are respectively inserted into the gap reserved by the limiting block 17 and the secondary processing box 10, and the movable door 12 arranged on the front surface of the secondary processing box 10 is convenient to open to clean and maintain the inside of the secondary processing box 10, especially to clean the dust adsorbed on the grounding plate 16, so that the operation is simple and convenient, and the maintenance cost and workload are reduced.

[0029] Working principle: in specific use, dust enters the primary cyclone 3 in the dust removal box 1 through the air inlet pipe 2, in the primary cyclone 3, the gas makes high-speed rotating motion, and a strong centrifugal force is generated, the larger dust particles are thrown to the cylinder wall under the action of the centrifugal force and slide along the cylinder wall to the cavity 6 at the bottom of the dust removal box 1, after preliminary separation in the primary cyclone 3, the gas carrying the remaining smaller dust particles enters the secondary cyclone 4 and the tertiary cyclone 5, the last two cyclones separate the finer dust from the gas by virtue of their smaller diameter and faster gas rotating speed and fall into the cavity 6, the gas treated by the tertiary cyclone 5 flows out from the gas guide groove 11 at the side of the tertiary cyclone 5, enters the secondary processing box 10, the gas first impacts on the L-shaped collision plate 13, due to the sudden change of the gas flow direction, part of the dust settles down due to inertia and collision with the collision plate, then the ion generator 18 is started to generate a large number of ions and release them into the gas, the ions collide with the dust particles in the gas, so that the dust particles are charged, in the secondary processing box 10, the electric field is formed between the electrode rod 15 and the grounding plate 16, the charged dust particles move to the grounding plate 16 under the action of the electric field force and are adsorbed on the grounding plate 16, realizing efficient treatment of the dust in the concrete processing process, and guaranteeing the clean production environment and stable operation of the equipment.

Claims

1. A dust removal device for concrete processing, comprising a dust removal box (1), characterized in that: The inner wall of the dust removal box (1) is sequentially provided with a first cyclone (3), a second cyclone (4) and a third cyclone (5), the bottom of the dust removal box (1) is provided with a cavity (6), the upper end of the cavity (6) is communicated with the bottom of the third cyclone (5), the side of the third cyclone (5) is provided with a gas guide groove (11), one side of the bottom of the dust removal box (1) is fixedly connected with a second treatment box (10), one end of the outer side of the gas guide groove (11) is communicated with the upper end side of the second treatment box (10), the inner surface of the upper end of the second treatment box (10) is fixedly connected with an L-shaped collision plate (13), the inner side of the L-shaped collision plate (13) corresponds to the outlet end of the gas guide groove (11), the inside of the upper end of the second treatment box (10) is uniformly fixedly connected with a plurality of groups of insulating supports (14), the bottom of each of the plurality of insulating supports (14) is fixedly connected with an electrode rod (15), the inner surface of the bottom of the second treatment box (10) is provided with a grounding electrode plate (16), the front surface of the second treatment box (10) is provided with an ion generator (18), and the output head of the ion generator (18) penetrates the inside of the second treatment box (10).

2. A dust removal device for concrete processing according to claim 1, characterized in that: The upper end side of the dust removal box (1) is welded with an air inlet pipe (2), and the inner side of the air inlet pipe (2) is communicated with the inner side of the first cyclone (3).

3. The dust removal device for concrete processing according to claim 1, characterized in that: The inside of the cavity (6) is provided with a collecting box (8), the inner wall of the cavity (6) is symmetrically provided with a dovetail slot (7), and the two sides of the collecting box (8) are fixedly connected with a plug strip (9).

4. The dust removal device for concrete processing according to claim 1, characterized in that: The front surface of the bottom of the second treatment box (10) is hingedly connected with a movable door (12), the movable door (12) is installed at the bottom of the second treatment box (10) through two hinges, and the surface of the movable door (12) is provided with a lock hole.

5. The dust removal device for concrete processing according to claim 1, characterized in that: The inner wall of the bottom of the second treatment box (10) is symmetrically fixedly connected with two limiting blocks (17), and the bottom of each of the two limiting blocks (17) is spaced apart from the bottom of the inner surface of the second treatment box (10).

6. A dust extraction device for use in the processing of concrete according to claim 5, characterised in that: The two sides of the grounding electrode plate (16) are respectively inserted into the gaps reserved in the limiting blocks (17) and the second treatment box (10), and the side of the second treatment box (10) is welded with an air outlet (19).

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