CN210729011U - Spraying dust suppression device - Google Patents

Abstract

The utility model belongs to the technical field of dust collector, a spraying dust suppression device is disclosed, include: a main machine including a feed pump; the filter assembly comprises a filter, the filter comprises a shell and a filter element arranged in the shell, a first cavity is arranged in the filter element, and a second cavity is arranged between the filter element and the inner wall of the shell; the shell is provided with a water inlet, a flushing water outlet and a water purifying port, the water inlet and the flushing water outlet are communicated through the first cavity and are respectively arranged at two ends of the shell, and the water purifying port is communicated with the second cavity; water entering from the water inlet can flow into the second cavity through the first cavity and then flows out of the water purifying port, and impurities in the first cavity can be flushed out of the flushing water outlet; and the dust removal nozzle is communicated with a water outlet of the water feeding pump. This spraying dust suppression device can wash the impurity in the filter under the condition of not dismantling, can enough make the spraying smooth and easy, again can use manpower and materials sparingly.

Description

Spraying dust suppression device

Technical Field

The utility model relates to a dust collector technical field especially relates to a spraying dust suppression device.

Background

In recent years, with the increasing awareness of environmental protection, dust removal devices are widely used in tobacco, metallurgy, steel, coal mines, ports and other places where dust is easily generated. The existing dust removal methods mainly comprise dry dust removal and wet dust removal, but the dry dust removal method has an unsatisfactory effect on dust below 10 microns, so that the respiratory dust index of an operation site hardly meets the national relevant sanitary requirements.

The wet dust removal technology can be mainly divided into two types of spraying dust suppression and spraying dust suppression, and the spraying dust suppression technology has the defects of high water consumption in the actual use process, easy water pollution, need of further adding sewage treatment equipment and extremely limited application range. The spray dust suppression method is widely used as a preferred wet dust removal method because of its low water consumption and wide application environment.

However, the current common spray dust suppression device usually atomizes water into water particles with the diameter of 1-10 μm through a nozzle, the diameter of the spray hole of the nozzle is small, foreign particles in the water easily block the nozzle, the spray effect and the dust suppression effect are affected, even the device failure is caused, and the service life of the device is shortened. Although some spraying dust suppression devices can be with aquatic foreign particles through increasing filter equipment, filter equipment needs often to dismantle and wash, needs to consume a large amount of manpower and materials.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a spraying dust suppression device, this spraying dust suppression device can be under the condition of not dismantling the impurity in the washing filter, can enough make the spraying smooth and easy, can use manpower and materials sparingly again.

To achieve the purpose, the utility model adopts the following technical proposal:

a spray dust suppression apparatus, comprising:

a main machine including a feed pump;

the filter assembly comprises a filter, the filter comprises a shell and a filter element arranged in the shell, a first cavity is arranged in the filter element, and a second cavity is arranged between the filter element and the inner wall of the shell; the shell is provided with a water inlet, a flushing water outlet and a water purifying port, the water inlet and the flushing water outlet are communicated through the first cavity and are respectively arranged at two ends of the shell, and the water purifying port is communicated with the second cavity; the water entering from the water inlet can flow into the second cavity through the first cavity and then flows out of the water purifying port, and impurities in the first cavity can be flushed out of the flushing water outlet; and the dust removal nozzle is communicated with a water outlet of the water feeding pump.

Preferably, the filter assembly further comprises a water inlet pipe, a water outlet pipe and a water purification pipe, wherein one end of the water inlet pipe is communicated with the water inlet, and the other end of the water inlet pipe is communicated with a water source; one end of the drain pipe is communicated with the flushing water outlet, and the other end of the drain pipe is communicated with a sewage pipeline and used for discharging flushing sewage; one end of the water purifying pipe is communicated with the water purifying port, and the other end of the water purifying pipe is communicated with the water inlet of the water feeding pump.

Preferably, the drain pipe is provided with a first valve.

Preferably, the water supply device further comprises a backflushing pipeline, one end of the backflushing pipeline is communicated with a water outlet of the water supply pump, the other end of the backflushing pipeline is communicated with a water source, and the water supply pump can rotate reversely to convey water to the water purifying port to backflush the cavity.

Preferably, a second valve is arranged on the backflushing pipeline.

Preferably, the water inlet pipe and the water purifying pipe are both provided with pressure sensors.

Preferably, a third valve is arranged on a pipeline between the water outlet of the water feeding pump and the dust removal nozzle.

Preferably, the dust removing device further comprises an energy accumulator, and the energy accumulator is arranged on a pipeline between the second valve and the dust removing nozzle.

Preferably, the filter is provided in plurality, and the plurality of filters are connected in parallel to each other.

Preferably, the dust removal nozzle is a narrow-angle fan nozzle.

The utility model has the advantages that:

the utility model provides a spraying dust suppression device, which can remove the particle impurities in the water entering the spraying dust suppression device by arranging a filter, prevent the particle impurities in the water from blocking a dust removal nozzle and ensure the smooth spraying of the dust removal nozzle; through set up on the filter and wash the outlet, with the water inlet with wash the direct cavity intercommunication with the filter core of outlet, make the water that the water inlet lets in can wash out impurity such as the suspension solid of filter core cavity internal surface capture from washing the outlet for the device can wash the filter under the condition of not dismantling, uses manpower sparingly, has prolonged the life of filter.

Drawings

Fig. 1 is a schematic perspective view of a spray dust suppression device according to an embodiment of the present invention;

FIG. 2 is a top view of a spray dust suppression device according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a filter of a spray dust suppression device according to an embodiment of the present invention;

FIG. 4 is an enlarged view at A of FIG. 3;

fig. 5 is a schematic perspective view of a filter assembly of a spray dust suppression device according to an embodiment of the present invention.

In the figure:

1. a host; 11. a feed pump; 2. a filter assembly; 21. a filter; 211. a housing; 2111. a water inlet; 2112. flushing the water outlet; 2113. a water purifying port; 212. a filter element; 2121. a first cavity; 2122. a second cavity; 22. a water inlet pipe; 23. a drain pipe; 231. a first valve; 24. a water purifying pipe; 3. a dust removal nozzle; 31. a third valve; 32. an energy storage device; 4. a back flushing pipeline; 41. a second valve; 5. a pressure sensor.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solutions adopted by the present invention and the technical effects achieved by the present invention clearer, the following will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

The utility model provides a spraying dust suppression device, as shown in figure 1, this spraying dust suppression device includes host computer 1, filtering component 2 and dust removal nozzle 3. Specifically, as shown in fig. 2, the main body 1 includes a water supply pump 11, the filter assembly 2 includes a filter 21, the dust removal nozzle 3 is communicated with a water outlet of the water supply pump 11 through a pipeline, a water inlet of the water supply pump 11 is communicated with the filter 21 through a pipeline, and the filter 21 is communicated with a water source through a pipeline. Under the action of the water supply pump 11, water in a water source is pumped into the filter 21, impurities such as solid particles in the water are filtered by the filter 21 and are left in the filter 21, the filtered water enters the dust removal nozzle 3 through a pipeline, and the filtered water forms water mist to be sprayed out after the action of the dust removal nozzle 3. It is understood that the dust removing nozzle 3 in the present embodiment may be provided in plural, and the spraying and dust suppression of plural dust suppression areas can be realized. The spraying dust suppression device can remove particle impurities in water entering the dust removal nozzle 3 and the water feed pump 11 by arranging the filter 21, prevent the particle impurities in the water from blocking the spraying dust removal nozzle 3, ensure the smooth spraying of the dust removal nozzle 3 and prolong the service life of the dust removal nozzle 3; and the abrasion of the particle impurities in the water to the water feeding pump 11 can be reduced, and the influence of the impurities in the water on the normal operation of the water feeding pump 11 can be prevented.

Preferably, the filter 21 includes a housing 211 and a filter cartridge 212, the filter cartridge 212 being disposed within the housing 211. As shown in fig. 3, the housing 211 is provided with a water inlet 2111, a flushing water outlet 2112 and a water purification port 2113, the water purification port 2113 is provided on a side surface of the housing 211, and the water inlet 2111 and the flushing water outlet 2112 are communicated with each other and provided at both ends of the housing 211, respectively. In this embodiment, the plurality of filters 21 are provided, and the plurality of filters 21 are connected in parallel, that is, the water inlets 2111 are all communicated with the same pipeline, the flushing water outlets 2112 are all communicated with the same pipeline, and the water purifying ports 2113 are all communicated with the same pipeline, so that the spraying dust suppression device can rapidly filter a large amount of water, has high working efficiency, and can meet the requirement of a large amount of water for the dust removal nozzles 3.

In this embodiment, as shown in fig. 4, the filter element 212 is cylindrical, a first cavity 2121 is provided in the filter element 212, a second cavity 2122 is provided between the filter element 212 and the inner wall of the housing 211, the water inlet 2111 and the flushing drain 2112 are communicated with each other through the first cavity 2121, and the water purifying port 2113 is communicated with the second cavity 2122, so that water entering from the water inlet 2111 can flow into the second cavity 2122 through the first cavity 2121 and through the surrounding filter element 212, impurities in the water are retained on the inner surface of the first cavity 2121, and the filtered water flows out from the water purifying port 2113; while water entering through the inlet 2111 can also flush out impurities trapped in the first chamber 2121 through the flush outlet 212. Through the structure, water introduced from the water inlet 2111 can flow out from the water purifying port 2113 and the flushing water outlet 2112 at the same time, so that the filtering and the flushing of the first cavity 2121 of the filter element 212 can be performed at the same time, the spraying dust suppression device can discharge suspended solid impurities captured on the inner surface of the first cavity 2121 of the filter element 212 while spraying, the filter 21 does not need to be disassembled, the cleaning of the filter 21 is simple and convenient, manpower and material resources can be saved, and the service life of the filter element 212 can be prolonged.

As shown in fig. 5, in this embodiment, the filter assembly 2 further includes a water inlet pipe 22, a water outlet pipe 23 and a purified water pipe 24, wherein one end of the water inlet pipe 22 is connected to the water inlet 2111, and the other end is connected to a water source. Preferably, the water inlet pipe 22 is provided with a pressure sensor 5 for detecting the water pressure of the water inlet pipe 22. One end of the drain pipe 23 is communicated with the flushing drain 2112, and the other end is communicated with the sewage pipe for discharging flushing sewage. Preferably, the drain pipe 23 is provided with a first valve 231 for controlling the opening and closing of the drain pipe 23 to flush the filter 21. One end of the water purifying pipe 24 is connected to the water purifying port 2113, and the other end is connected to the water inlet of the water supply pump 11. Preferably, the clean water pipe 24 is also provided with a pressure sensor 5 for detecting the water pressure of the clean water pipe 24, and by comparing the difference between the water pressure of the inlet pipe 22 and the water pressure of the clean water pipe 24, an operator can decide whether to flush the cartridge 212 of the filter 21 according to the pressure difference.

Under the action of the water supply pump 11, water in a water source can enter the filter 21 through the water inlet pipe 22, and the filtered water can enter the water supply pump 11 through the water purifying pipe 24, is pressurized by the water supply pump 11 and then is sent to the dust removal nozzle 3 to be sprayed out; while suspended solid contaminants trapped on the inner surface of the first chamber 2121 of the filter element 212 can drain with the flushing water through the drain 23 into the sewer line.

As shown in fig. 2, preferably, the spray dust suppression device further includes a backflushing pipeline 4, one end of the backflushing pipeline 4 is communicated with a water outlet of the water supply pump 11, and the other end is communicated with a water source. Preferably, the backflushing pipeline 4 is provided with a second valve 41 for controlling the opening and closing of the backflushing pipeline 4. It should be noted that when the spray dust suppression device is spraying normally, the second valve 41 is closed, and the second valve 41 is opened to supply water only when the back flushing is performed. In the present embodiment, the water feed pump 11 can rotate in both the forward direction and the reverse direction, and the water feed pump 11 pumps water from the filter 21 in the forward direction and the water feed pump 11 feeds water to the filter 21 in the reverse direction. When the water pump 11 sends water to the filter 21, the second valve 41 and the first valve 231 are both opened, the water pump 11 can pump water from the water source through the backwashing pipeline 4 and flush the water with pressure into the filter 21 from the clean water port 2113, so that the water with pressure passes through the filter element 212 in a reverse direction, the suspended solid impurities captured on the inner surface of the first cavity 2121 of the filter element 212 are flushed down, and the impurities are discharged from the flushing water outlet 2112 through the drain pipe 23 along with the water with pressure into the sewage pipeline, thereby completing the reverse flushing of the filter 21. The back flushing can further clear away the impurity on the filter core 212, and need not to dismantle filter 21 for filter 21's washing is simple and convenient, uses manpower and materials sparingly, prolongs the life of filter core 212.

In this embodiment, a third valve 31 is provided on the pipeline between the water outlet of the water supply pump 11 and the dust removal nozzle 3 to control the opening and closing of the dust removal nozzle 3. Preferably, an energy accumulator 32 is further disposed on the pipeline between the third valve 31 and the dust removing nozzle 3 for storing pressurized water, which is beneficial to ensuring stable water pressure in the pipeline and improving the spraying effect of the dust removing nozzle 3. More preferably, the dust removing nozzle 3 is a narrow-angle fan-shaped nozzle, the area of a spraying fan-shaped nozzle is small, the direction of spraying is easy to control, and the influence of water mist on the non-dust suppression direction can be reduced.

Preferably, the main unit 1 of the spray dust suppression device provided by the present invention further comprises a control system, wherein the control system comprises a programmable logic controller, a protection circuit, a relay and components related thereto. In this embodiment, the controller may be a centralized or distributed controller, for example, the controller may be a single-chip microcomputer or may be composed of a plurality of distributed single-chip microcomputers, and the single-chip microcomputers may run a control program to control the first valve 231, the second valve 41, the third valve 31 and the feed water pump 11 to implement their functions, so that the spray dust suppression device can be operated manually or automatically. In this embodiment, the controller controls the water pressure and flow rate in the spray dust suppression device by controlling the rotation of the water feed pump 11, and distributes the water flow to each dust removal nozzle 3 through the third valve 31.

The operation of the spray dust suppression device provided in this embodiment will be described.

When the mist dust suppression device performs normal mist spraying, the first valve 231 is closed, the second valve 41 is closed, the third valve 31 is opened, and the feed pump 11 rotates forward. Under the action of the water supply pump 11, water in a water source enters the filter 21 from the water inlet pipe 22 for filtration, the filtered water enters the water supply pump from the purified water pipe 24 for pressurization, the pressurized water is introduced into the dust removal nozzle 3, and water mist is formed by the dust removal nozzle 3 and sprayed to a dust suppression area to suppress the diffusion of dust; the filter 21 of the spray dust suppression device can be flushed simultaneously with the filtration, in which case the first valve 231 is opened, a part of the water entering the filter 21 is filtered by the filter element 212 and flows out of the water purification port 2113, and a part of the water flushes the suspended solid impurities captured on the inner surface of the first chamber 2121 of the filter element 212 and flows out of the flushing water outlet 2112 and is discharged into the sewage pipeline through the drainage pipe 23.

When the spray dust suppression device performs back flushing, the first valve 231 is opened, the second valve 41 is opened, the third valve 31 is closed, and the feed pump 11 is reversed. Under the action of the water supply pump 11, water in the water source enters the water supply pump from the backwashing pipeline 4 to be pressurized, the pressurized water is introduced into the purified water pipe 24 to reversely enter the filter 21, the pressurized water reversely passes through the filter element 212, namely, the pressurized water passes through the filter element 212 from the second cavity 2122 to enter the first cavity 2121, suspended solid impurities captured on the inner surface of the first cavity 2121 of the filter element 212 are flushed down, and the impurities are discharged from the flushing water outlet 2112 through the water discharge pipe 23 along with the pressurized water to be discharged into a sewage pipeline, so that the reverse flushing of the filter 21 is completed.

It can be understood that the utility model provides a spraying dust suppression device is not limited to be applied to the spraying dust suppression aspect, and this spraying dust suppression device can also be applied to aspects such as cooling, accuse humidity, landscape engineering, and this spraying dust suppression device not only can detach the granule impurity that gets into this spraying dust suppression device's aquatic, prevents that granule impurity blocks the dust removal nozzle in the aquatic, has guaranteed that the dust removal nozzle sprays smoothly; still make the device can wash the filter under the condition of not dismantling, use manpower sparingly, prolonged the life of filter.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A spray dust suppression device, comprising:

a main unit (1), wherein the main unit (1) comprises a water feeding pump (11);

the filter assembly (2), the filter assembly (2) includes a filter (21), the filter (21) includes a housing (211) and a filter element (212) arranged in the housing (211), a first cavity (2121) is arranged in the filter element (212), and a second cavity (2122) is arranged between the filter element (212) and the inner wall of the housing (211); a water inlet (2111), a washing water outlet (2112) and a water purifying port (2113) are arranged on the shell (211), the water inlet (2111) and the washing water outlet (2112) are communicated through the first cavity (2121) and are respectively arranged at two ends of the shell (211), and the water purifying port (2113) is communicated with the second cavity (2122); the water entering from the water inlet (2111) can flow into the second cavity (2122) through the first cavity (2121) and then flows out of the water purifying port (2113), and impurities in the first cavity (2121) can be flushed out of the flushing water outlet (2112);

the dust removal nozzle (3), the dust removal nozzle (3) communicate with the delivery port of the feed pump (11).

2. The spray dust suppression device according to claim 1, wherein the filter assembly (2) further comprises a water inlet pipe (22), a water outlet pipe (23) and a water purification pipe (24), one end of the water inlet pipe (22) is communicated with the water inlet (2111), and the other end is communicated with a water source; one end of the drain pipe (23) is communicated with the flushing water outlet (2112), and the other end of the drain pipe is communicated with a sewage pipeline for discharging flushing sewage; one end of the water purifying pipe (24) is communicated with the water purifying opening (2113), and the other end is communicated with the water inlet of the water feeding pump (11).

3. A spray dust suppression device according to claim 2, characterized in that the drain pipe (23) is provided with a first valve (231).

4. The spray dust suppression device according to claim 2, further comprising a backflushing pipeline (4), wherein one end of the backflushing pipeline (4) is communicated with a water outlet of the water supply pump (11), the other end of the backflushing pipeline is communicated with a water source, and the water supply pump (11) can rotate reversely to convey water to the water purifying port (2113) to backflush the first cavity (2121).

5. A spray dust suppression device according to claim 4, characterized in that a second valve (41) is provided on the backflush line (4).

6. The spray dust suppression device according to claim 2, wherein a pressure sensor (5) is provided on each of the water inlet pipe (22) and the water purification pipe (24).

7. A spray dust suppression device according to any one of claims 1 to 5, characterized in that a third valve (31) is provided in the line between the water outlet of the feed pump (11) and the dust removal nozzle (3).

8. A spray dust suppression device according to claim 7, further comprising an accumulator (32), the accumulator (32) being arranged in the line between the third valve (31) and the dust removal nozzle (3).

9. A spray dust suppression device according to any one of claims 1 to 5, characterized in that said filter (21) is provided in plurality, and a plurality of said filters (21) are communicated in parallel with each other.

10. A spray dust suppression device according to any one of claims 1 to 5, characterized in that the dust removal nozzle (3) is a narrow angle fan nozzle.

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