CN212126868U

CN212126868U - Wet-type self-loopa dust collector

Info

Publication number: CN212126868U
Application number: CN202020263461.9U
Authority: CN
Inventors: 赵兴成; 赵越
Original assignee: Jilin Juye Cleaning Engineering Technology Co ltd
Current assignee: Jilin Juye Cleaning Engineering Technology Co ltd
Priority date: 2020-03-06
Filing date: 2020-03-06
Publication date: 2020-12-11
Anticipated expiration: 2030-03-06

Abstract

The utility model discloses a wet-type self-loopa dust collector, include: wet-type dust pelletizing system, press down the dirt system, wet-type dust pelletizing system includes the suction hood, wet-type dust exhausting fan, the gas vent, electrical control valve, the fog nozzle, press down the dirt system and include damping dust suppression device, press down the dirt unit, the suction hood, wet-type dust exhausting fan, the gas vent, electrical control valve, the fog nozzle links together through the pipeline flange, and the suction hood, wet-type dust exhausting fan, gas vent, electrical control valve, fog nozzle are located sealed baffle box top, damping dust suppression device, press down the dirt unit and are located sealed baffle box, the utility model discloses novel structure, the installation is simple, convenient to use, and the equipment of setting is installed on the baffle box for remove dust to sealed baffle box, and is effectual, need not too much maintenance, and later stage fortune dimension is with low costs.

Description

Wet-type self-loopa dust collector

Technical Field

The utility model relates to a wet-type self-loopa dust collector, in particular to bulk material's transport, dust removal presses down the environmental protection equipment of dirt belongs to sealing-tape machine equipment technical field.

Background

The sealing material guide grooves for preventing dust raising are arranged at the tail of the belt conveyor for conveying the bulk materials. At the inside material point department of traditional sealed baffle box, can produce local pressure on the high side because the induced wind during the blanking forms, the phenomenon of easy from both sides raise dust, emit powder, the polluted environment. On the other hand, when the material got into the baffle box, the material was for throwing the state, can form the raise dust during the striking, and the raise dust that wafts can spill over from the curb plate bottom, influences the on-the-spot environmental quality, so the urgent need now designs a wet-type self-loopa dust collector.

Disclosure of Invention

The utility model discloses the main technical problem who solves provides a wet-type self-loopa dust collector, can solve the problem of mentioning in the above-mentioned background art.

In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a wet-type self-loopa dust collector, is applied to baffle box department at conveyer reprinting station, includes: the wet dust removal system comprises a dust hood 1, an explosion-proof wet dust removal fan 2, an unloaded exhaust port 4, an electric regulating valve 6, an auxiliary spray nozzle 8, a flushing nozzle 5, a filter 3, a return pipe 7, an induction damping device 9, a tail negative pressure cavity 11 and a coal dropping pipe 10, the dust suppression system comprises an isolation guide plate 12, a damping dust suppression device 13 and a dust suppression unit 14, the dust hood 1, the explosion-proof wet dust removal fan 2, the unloaded exhaust port 4, the electric regulating valve 6, the return pipe 7, the auxiliary spray nozzle 8 and the coal dropping pipe 10 are connected together through a pipeline flange, the dust hood 1, the explosion-proof wet dust removal fan 2, the filter 3, the unloaded exhaust port 4, the flushing nozzle 5, the return pipe 7, the auxiliary spray nozzle 8 and the electric regulating valve 6 are positioned above a sealed guide chute 15, and the tail negative pressure cavity 11, the isolation guide plate 12, the explosion-proof wet dust removal fan 2, the filter 3, The sealed guide chute 15 is connected together through a pipeline and a flange, and the damping dust suppression device 13, the dust suppression unit 14 and the flow separation guide plate 12 are positioned in the sealed guide chute 8.

Preferably, the number of the dust suppression and damping devices 13 is 2, and the dust suppression and damping devices are arranged in parallel.

Preferably, the dust suppression unit 14 is located near the front end outlet of the sealing material guide chute 15 and is made of rubber.

Preferably, the auxiliary spray nozzle 8 is located in the return pipe 7 and at the top inlet of the sealing guide chute 15.

Preferably, the induced damping device 9 is positioned in the coal dropping pipe 10.

The utility model has the advantages that: the utility model discloses novel structure, the installation is simple, convenient to use, the equipment mounting that sets up is on the baffle box, is used for removing dust to sealed baffle box, and is effectual, need not too much maintenance, and later stage fortune dimension is with low costs.

Drawings

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

FIG. 2 is a schematic view of the airflow flow of the product of the present invention;

the parts in the drawings are numbered as follows: the device comprises a dust hood 1, an explosion-proof wet dust removal fan 2, a filter 3, an unloaded exhaust port 4, a flushing nozzle 5, an electric regulating valve 6, a return pipe 7, an auxiliary spray nozzle 8, an induction damping device 9, a coal dropping pipe 10, a tail negative pressure cavity 11, an isolation guide plate 12, a damping dust suppression device 13, a dust suppression unit 14 and a sealing guide chute 15.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

Please refer to fig. 1. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any modification of the structure, change of the ratio relation or adjustment of the size should still fall within the range that the technical content disclosed in the present invention can cover without affecting the function and the achievable purpose of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are used for clarity of description only, and are not used to limit the scope of the embodiments of the present invention, and the changes or adjustments of the relative relationships thereof are also considered to be the scope of the present invention without substantial changes in the technology.

Referring to fig. 1 and 2, an embodiment of the present invention includes:

a wet self-circulating dust removal device comprising: the wet dust removal system comprises a dust hood 1, an explosion-proof wet dust removal fan 2, a no-load exhaust port 4, an electric adjusting valve 6 and an auxiliary spray nozzle 8, the dust suppression system comprises a damping dust suppression device 13 and a dust suppression unit 14, wherein the damping dust suppression device 13 consists of a damping curtain, a support, a pressing plate, an adjusting screw rod and a nut, the damping curtain is made of polyurethane or rubber, the bottom coal flow can smoothly pass through the damping curtain while flowing gas is blocked, the nut and the adjusting screw rod are height lifting adjusting mechanisms, and downward adjustment is performed after the damping curtain is abraded; the dust suppression unit 14 is composed of a multi-edge rubber strip, a polyurethane fixing seat, a dust suppression unit support and a connecting piece, wherein the multi-edge rubber strip is hung in the guide chute through the support, the fixing seat can adsorb fine dust particles in dust gas, the dust suppression effect is achieved, the flexibility of the dust suppression unit can absorb the forward impact energy, and the wind speed is reduced.

The dust hood 1, the explosion-proof wet type dust removal fan 2, the no-load exhaust port 4, the electric control valve 6, the backflow pipe 7, the auxiliary spray nozzle 8 and the coal dropping pipe 10 are connected together through a pipeline flange, the dust hood 1, the explosion-proof wet type dust removal fan 2, the filter 3, the no-load exhaust port 4, the flushing nozzle 5, the backflow pipe 7, the auxiliary spray nozzle 8, the electric control valve 6 and the auxiliary spray nozzle 8 are positioned above the sealed guide chute 15, the auxiliary spray nozzle 8 is positioned at the top inlet of the sealed guide chute 15 and humidifies gas entering the inner space of the sealed guide chute, the no-load exhaust port 4 is an exhaust bypass and is provided with a switch valve which can cut off and open the bypass, purified air is discharged outwards when the belt conveyor runs without load, when self-circulation parts are overhauled or a tail negative pressure cavity and auxiliary air suction and exhaust are in trouble, the switch valve can be opened, the exhaust is carried out through a bypass pipeline, so that the air pressure in the sealed guide chute 15 is ensured not to rise.

The damping dust suppression device 13 and the dust suppression unit 14 are positioned in the sealed guide chute 15, two dust suppression damping devices 13 are arranged inside the sealed guide chute 15 and used for cutting off three cavities with different pressures in the inner cavities, and the dust suppression unit 14 made of rubber is arranged at the front end of the sealed guide chute 15 and used for absorbing kinetic energy carried by flowing gas and adsorbing fine particles in the gas.

After the wet dust removal fan 2 is powered on, the motor drives the impeller to rotate, air enters the dust hood 1 from the sealing guide chute 15, air exits from the auxiliary atomizing nozzle 8, positive pressure air at the inlet end of the sealing guide chute 15 is dedusted through the wet dust removal device, the content of dust in the air is reduced, the positive pressure near the feeding point is reduced, and the dust in the air flow is effectively dedusted while the pressure is reduced.

An isolation guide plate 12 is arranged in front of the tail negative pressure cavity 11 and behind the dust suction cover 1 of the sealed guide chute 15 and used for filtering dust-containing gas, so that the dust-containing gas is absorbed by the material layer and then is diffused into a channel formed between the guide chute 15 and the isolation guide plate 12, and the dust concentration of the airflow is reduced.

The utility model discloses the theory of operation of product is as follows:

when the belt conveyor runs in an unloaded state, the anti-explosion wet type dust removal fan 2 normally runs to clean floating dust generated when the belt conveyor runs in an unloaded state, the electric valve of the return pipe 7 is closed, the electric regulating valve of the unloaded exhaust port 4 is opened, the purified air is discharged outwards after being filtered by the filter 3, when the material flow pressure sensor detects that the material falls to the lower belt conveyor through the coal dropping pipe 10, the electric valve of the unloaded exhaust port is closed, the cleaning nozzle 5 is opened to clean the filter for tens of seconds and then is automatically closed, the electric valve of the return pipe 7 is opened, when the material falls through the coal dropping pipe 10, a large amount of induced wind and coal dropping shock waves are generated to enable the interior of the sealed guide chute 15 to form positive pressure, the induced wind in the sealed guide chute 15 is guided into the anti-explosion wet type dust removal fan 2 through the dust hood 1 under the high-speed rotation of the impeller of the anti-explosion wet type dust removal fan 2 to, the dusty airflow and the water mist are further mixed under the stirring of the impeller of the anti-explosion wet dust removal fan 2, then enter the cyclone dust collector, are divided and flow out of the dehydrator and are discharged from a sewage outlet. The purified wet air is sent back to the coal dropping pipe 10 through the return pipe, a part of the air is in pressure balance with induced air of the coal dropping pipe 10 to prevent and reduce induced air quantity, a part of the air enters the sealed guide chute 15 to be mixed with dust in the sealed guide chute 15 and is purified and circulated by the explosion-proof wet dust removal fan, so that the dust in the air is purified, a small amount of micro-dust gas is further absorbed in a damping mode when passing through the damping dust suppression unit 14 in the sealed guide chute 15, and the purpose of purifying the dust-containing gas at the outlet of the sealed guide chute 15 is achieved.

The explosion-proof wet dust removal fan 2 has the real-time detection function of the material humidity sensor through the dust detector, and automatically adjusts the air quantity of the fan, so that the purposes of energy conservation and environmental protection are achieved. Meanwhile, the auxiliary spray nozzle 6 can be automatically thrown and cut according to the detected material humidity, water spray is fully atomized under the impact of the airflow of the return pipe and is mixed with dust and gas in the sealed guide chute 15, the dust and the gas enter a dust suction port and are purified in circulation through the explosion-proof wet dust removal fan 2, and meanwhile, trace gas is adsorbed and dusted through the dust suppression unit 14, so that the dust at the outlet of the sealed guide chute 15 is effectively purified.

The damping dust suppression device 13 in the sealed guide chute 15 forms a plurality of isolated cavities in the guide chute, the pressure of the cavities is different, and limited air volume is forced to remove dust through each part of the wet dust removal device through the damping effect; the dust suppression unit 14 is located at the outlet end of the sealed material guide chute 15, and adsorbs fine dust in wind passing through the corners, and the process is repeated in this way, so that the product can remove dust from the sealed material guide chute 15 for a long time, as shown in fig. 2.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A wet self-circulation dust removing device is characterized by comprising: the wet dust removal system comprises a dust hood (1), an explosion-proof wet dust removal fan (2), a no-load exhaust port (4), an electric regulating valve (6), an auxiliary spray nozzle (8), a flushing nozzle (5), a filter (3), a backflow pipe (7), an induction damping device (9), a coal dropping pipe (10) and a tail negative pressure cavity (11), the dust suppression system comprises a flow isolating guide plate (12), a damping dust suppression device (13) and a dust suppression unit (14), the dust hood (1), the explosion-proof wet dust removal fan (2), the no-load exhaust port (4), the electric regulating valve (6), the backflow pipe (7), the auxiliary spray nozzle (8) and the coal dropping pipe (10) are connected together through pipeline flanges, and the dust hood (1), the explosion-proof wet dust removal fan (2), the filter (3) and the no-load exhaust port (4) are connected together through pipeline flanges, The washing nozzle (5), the return pipe (7), the auxiliary spraying nozzle (8) and the electric regulating valve (6) are located above the sealed guide chute (15), the tail negative pressure cavity (11), the flow isolating guide plate (12) and the sealed guide chute (15) are connected together through a pipeline and a flange, and the damping dust suppression device (13), the dust suppression unit (14) and the flow isolating guide plate (12) are located in the sealed guide chute (15).

2. The wet self-circulating dust removing device according to claim 1, wherein: the damping dust suppression devices (13) are 2 and are arranged in parallel.

3. The wet self-circulating dust removing device according to claim 1, wherein: the dust suppression unit (14) is located near the front end outlet of the sealed guide chute (15) and is made of rubber.

4. The wet self-circulating dust removing device according to claim 1, wherein: the auxiliary spray nozzle (8) is positioned in the return pipe (7) and at the top inlet of the sealed guide chute (15).

5. The wet self-circulating dust removing device according to claim 1, wherein: the induced damping device (9) is positioned in the coal dropping pipe (10).