CN212283157U - Cloud and mist dust settling system - Google Patents

Abstract

The utility model relates to a cloud and mist dust fall system, include: the first filter comprises a shell and a filtering component arranged in the shell, a first water gap, a second water gap and a sewage discharge port are formed in the side wall of the shell, the sewage discharge port is positioned below the first water gap and the second water gap, the filtering component comprises a filtering net and a filtering piece, the filtering piece is arranged in the filtering net, the first water gap is opposite to the outer side of the filtering net, and water entering the shell from the second water gap can be flushed into the filtering net through an opening; the outlet of the water inlet pipeline is communicated with the first water gap, and a first electromagnetic valve is arranged on the water inlet pipeline; the outlet of the backwashing pipeline is communicated with the second water port, and a second electromagnetic valve is arranged on the backwashing pipeline; the water inlet of the nozzle is communicated with the second water gap through a pipeline, and a third electromagnetic valve is arranged on the pipeline for communicating the water inlet of the nozzle with the second water gap; and the fourth electromagnetic valve is used for controlling the opening and closing of the sewage draining port.

Description

Cloud and mist dust settling system

Technical Field

The utility model relates to an environment-friendly device technical field especially relates to cloud and mist dust fall system.

Background

The cloud and mist dust settling technology is an important treatment mode of unorganized dust and medium-low temperature smoke dust at present, the water mist sprayed out of a nozzle of a cloud and mist dust settling system is used for capturing the dust, the water mist is combined with dust particles in the air to form agglomerates of the dust and the water mist, and the agglomerates are settled under the action of gravity to realize dust settling.

And the aperture of the nozzle of the cloud and mist dust fall system is smaller than 1 mm, the conditions of nozzle blockage or pipeline corrosion and the like caused by accumulation of suspended matters in water for spraying or precipitation and scaling of calcium and magnesium ions often occur, the normal use of the device is influenced, and the reliability is lower.

SUMMERY OF THE UTILITY MODEL

In view of this, it is necessary to provide a highly reliable cloud dustfall system in order to solve the problem that a nozzle of the cloud dustfall system is easily clogged.

A cloud dustfall system comprising: the first filter comprises a shell and a filtering component arranged in the shell, the shell is of a hollow structure, a first water gap, a second water gap and a drain outlet are formed in the side wall of the shell, the drain outlet is located below the first water gap and the second water gap, the filtering component comprises a filtering net and a filtering piece, the filtering net is enclosed into a hollow structure with an opening, the filtering piece is arranged in the filtering net, the first water gap is opposite to the outer side of the filtering net, and water entering the shell from the second water gap can flush into the filtering net through the opening; the outlet of the water inlet pipeline is communicated with the first water gap, and a first electromagnetic valve is arranged on the water inlet pipeline; the outlet of the backwashing pipeline is communicated with the second water port, and a second electromagnetic valve is arranged on the backwashing pipeline; the water inlet of the nozzle is communicated with the second water gap through a pipeline, and a third electromagnetic valve is arranged on the pipeline for communicating the water inlet of the nozzle with the second water gap; and the fourth electromagnetic valve is used for controlling the opening and closing of the sewage draining outlet.

In one embodiment, the nozzle is a two-fluid nozzle, and is provided with a water inlet and an air inlet respectively, and the air inlet is communicated with an air compressor through a compressed air pipeline.

In one embodiment, the filter screen is enclosed into a barrel-shaped structure with the opening at the upper end, and the second water gap is higher than the opening.

In one embodiment, the filter element is a scale inhibitor.

In one embodiment, the cloud and mist dust settling system further comprises a first differential pressure sensor disposed between the first water gap and the second water gap and used for measuring a differential pressure between the first water gap and the second water gap.

In one embodiment, the cloud and mist dust settling system further comprises a second filter, the second filter comprises a third water gap and a fourth water gap, the third water gap is communicated with the second water gap through a pipeline, the fourth water gap is communicated with the water inlet of the nozzle through a pipeline, and the third solenoid valve is arranged on the pipeline for communicating the second water gap and the third water gap.

In one embodiment, the cloud and mist dust settling system further comprises a water pump, and the water pump is arranged on a pipeline for communicating the second filter with the nozzle.

In one embodiment, a check valve is arranged on a pipeline between the water pump and the nozzle.

In one embodiment, a pressure sensor is arranged on a pipeline between the water pump and the nozzle.

In one embodiment, the cloud and mist dust settling system further comprises a water pump, and the water pump is arranged on a pipeline used for communicating the first filter with the nozzle, or the water pump is arranged on the water inlet pipeline.

In one embodiment, the inlet of the backwash pipe is connected to the water inlet pipe.

In the cloud and mist dust settling system, in the normal use process, the first electromagnetic valve and the third electromagnetic valve are opened, and the second electromagnetic valve and the fourth electromagnetic valve are closed. Outside water source flows into first filter from the inlet channel in, flows into the nozzle after the filtering action through first filter, because the water that flows into to the nozzle has been filtered this moment, and wherein impurity that contains is less, can prevent effectively that the condition that leads to the nozzle to block up or pipeline corrosion to take place because of the suspended solid in aquatic piles up or calcium magnesium ion deposits the scale deposit, guarantees cloud dust fall system reliable operation, reduces the maintenance frequency. In addition, foretell cloud and mist dust fall system possesses the backwash function, and when needs backwash, first solenoid valve and third solenoid valve are closed, and second solenoid valve and fourth solenoid valve are opened, and during external water source entered into first filter through the backwash pipeline, then rushed into in the filter screen, will adhere to the filter residue in the filter screen outside and dash and fall then for the filter residue passes through the drain along with rivers and flows, increases filter assembly's live time, reduces filter assembly's change frequency.

Drawings

Fig. 1 is a schematic structural view of a cloud and mist dust settling system in a first embodiment of the present invention;

fig. 2 is a schematic structural diagram of a cloud and mist dust settling system in the second embodiment of the present invention.

Description of reference numerals:

1. a first solenoid valve; 2. a first differential pressure sensor; 3. a first filter; 31. a housing; 311. a first nozzle; 312. a second water gap; 313. a sewage draining outlet; 32. a filter screen; 33. a filter member; 4. a second solenoid valve; 5. a fourth solenoid valve; 6. a third electromagnetic valve; 7. a second differential pressure sensor; 8. a second filter; 81. a third water gap; 82. a fourth nozzle; 9. a water pump; 10. a check valve; 11. a pressure sensor; 12. a nozzle; 13. a water inlet pipe; 14. backwashing the pipeline; 15. an air compressor.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Example one

As shown in fig. 1, a cloud and mist dust settling system according to an embodiment includes a first filter 3, a water inlet pipe 13, a backwashing pipe 14, a first electromagnetic valve 1, a second electromagnetic valve 4, a third electromagnetic valve 6, a fourth electromagnetic valve 5, and a nozzle 12.

The first filter 3 comprises a housing 31 and a filtering component arranged in the housing 31, the housing 31 is of a hollow structure, a first water gap 311, a second water gap 312 and a sewage discharge outlet 313 are arranged on the side wall of the housing 31, the sewage discharge outlet 313 is positioned below the first water gap 311 and the second water gap 312, the filtering component comprises a filtering net 32 and a filtering piece 33, the filtering net 32 is enclosed into a hollow structure with an opening, the filtering piece 33 is arranged in the filtering net 32, the first water gap 311 is opposite to the outer side of the filtering net 32, and water entering the housing 31 from the second water gap 312 can flush into the filtering net 32 through the opening; the outlet of the water inlet pipe 13 is communicated with the first water port 311, and the water inlet pipe 13 is provided with a first electromagnetic valve 1; the outlet of the backwashing pipeline 14 is communicated with the second water port 312, and a second electromagnetic valve 4 is arranged on the backwashing pipeline 14; the water inlet of the nozzle 12 is communicated with the second water gap 312 through a pipeline, and a third electromagnetic valve 6 is arranged on the pipeline for communicating the water inlet of the nozzle 12 with the second water gap 312; the fourth electromagnetic valve 5 is used for controlling the opening and closing of the sewage draining exit 313.

Further, the nozzle 12 is a two-fluid nozzle, and is respectively provided with a water inlet and an air inlet, and the air inlet is communicated with the air compressor 15 through a compressed air pipeline.

In the cloud and mist dust settling system, in the normal use process, the first electromagnetic valve 1 and the third electromagnetic valve 6 are opened, and the second electromagnetic valve 4 and the fourth electromagnetic valve 5 are closed. The outside water source flows into first filter 3 from inlet channel 13 in, flows into nozzle 12 after the filtering action of first filter 3, because the water that flows into to nozzle 12 has been filtered this moment, and wherein impurity that contains is less, can prevent effectively that the condition that leads to nozzle 12 to block up or the pipeline corrosion to take place because of the suspended solid in aqueous piles up or calcium magnesium ion deposits the scale deposit, guarantees cloud dust fall system reliable operation, reduces the maintenance frequency. In addition, foretell cloud and mist dust fall system possesses the backwash function, when needs backwash, first solenoid valve 1 and third solenoid valve 6 are closed, second solenoid valve 4 and fourth solenoid valve 5 are opened, external water source enters into first filter 3 through backwash pipeline 14, then in rushing into filter screen 32, then will adhere to the filter residue in the filter screen 32 outside and wash down, make the filter residue flow through drain 313 along with rivers, increase filter assembly's live time, reduce filter assembly's change frequency.

Further, the filter screen 32 is enclosed into a barrel-shaped structure having the opening at the upper end, and the second nozzle 312 is higher than the opening.

Specifically, the filter screen 32 is suspended in the housing 31, the first water port 311 is opposite to the outer side of the filter screen 32, the second water port 312 is higher than the opening of the filter screen 32, in the normal use process, the water entering the first filter 3 from the first water port 311 impacts the filter screen 32 for filtering, and the water passing through the filter screen 32 flows to the nozzle 12 from the second water port 312 after passing through the opening of the filter screen 32. During backwashing, the water introduced into the first filter 3 from the second water port 312 is flushed into the filter mesh 32 through the opening of the filter mesh 32, and the filter residue attached to the outer side of the filter mesh is flushed down.

Further, the filter member 33 is a scale inhibitor. The scale inhibitor can remove the scale in the water and retard the formation of the scale, avoiding the nozzle 12 from being blocked. Wherein, the scale inhibitor can be silicon phosphorus crystal or other slow-release scale inhibitors.

Further, the cloud and mist dust settling system further comprises a first differential pressure sensor 2, wherein the first differential pressure sensor 2 is arranged between the first water gap 311 and the second water gap 312, and is used for measuring a differential pressure between the first water gap 311 and the second water gap 312. Under the condition that the cloud and mist dust suppression system normally works, water in the first filter 3 flows from the first water gap 311 to the second water gap 312, due to the action of the filter assembly, a pressure difference exists between water pressures at the first water gap 311 and the second water gap 312, when the loss of the filter assembly is larger (namely, impurities attached to the surface of the filter screen 32 or the surface of the filter element 33 are excessive), the pressure difference detected by the first pressure difference sensor 2 is larger, and when the detected pressure difference exceeds a certain value, the filter assembly can be replaced or maintained accordingly.

Further, the cloud and mist dust settling system further comprises a second filter 8, the second filter 8 comprises a third water gap 81 and a fourth water gap 82, the third water gap 81 is communicated with the second water gap 312 through a pipeline, the fourth water gap 82 is communicated with the water inlet of the nozzle 12 through a pipeline, and the third electromagnetic valve 6 is arranged on a pipeline for communicating the second water gap 312 with the third water gap 81.

The second filter 8 can filter the water filtered by the first filter 3 again, so as to further prevent suspended matter accumulation or calcium and magnesium ion precipitation scaling in the water from causing nozzle blockage and pipeline corrosion.

Optionally, the second filter 8 may be a bag filter with higher filtering precision, a security filter (filter element is in the form of steel wire mesh sintered, wound or PP cotton melt-blown, wound, etc.), an ultrafiltration membrane, a nanofiltration membrane, a reverse osmosis membrane, etc.

Further, the cloud and mist dust settling system further comprises a second differential pressure sensor 7, wherein the second differential pressure sensor 7 is arranged between the third water gap 81 and the fourth water gap 82 and is used for measuring a differential pressure between the third water gap 81 and the fourth water gap 82. Under the condition that the cloud and mist dust settling system normally works, water in the second filter 8 flows from the third water gap 81 to the fourth water gap 82, due to the action of the second filter 8, a pressure difference exists between water pressures at the third water gap 81 and the fourth water gap 82, when the loss of the second filter 8 is larger, the pressure difference detected by the second pressure difference sensor 7 is larger, and when the detected pressure difference exceeds a certain value, the second filter 8 can be replaced or maintained accordingly.

Further, the cloud and mist dust settling system further comprises a water pump 9, and the water pump 9 is arranged on a pipeline for communicating the second filter 8 with the nozzle 12. The water pump 9 is used for providing sufficient pressure for the nozzle 12, a pressure sensor 11 is further arranged on a pipeline between the water pump 9 and the nozzle 12, and the pressure sensor 11 is used for monitoring water pressure.

In other embodiments, the water pump 9 is disposed on a conduit for communicating the first filter 3 with the nozzle 12, or the water pump 9 is disposed on the water inlet conduit 13.

Further, a check valve 10 is provided on a pipe between the water pump 9 and the nozzle 12 for protecting equipment upstream of the check valve 10.

In foretell cloud and mist dust fall system, first filter 3 and second filter 8 can filter the water that flows into to nozzle 12, can prevent effectively that the condition that leads to nozzle 12 to block up or the pipeline corrosion to take place because of the suspended solid of aquatic piles up or calcium magnesium ion deposits the scale deposit, guarantees cloud and mist dust fall system reliable operation, reduces the maintenance frequency. The first filter 3 and the second filter 8 can be replaced quickly, filter elements or filler can be cleaned and replaced at the interval of the equipment work stoppage. The first filter 3 can quickly supplement the scale inhibitor, the slow-release scale inhibitor can be continuously released for several months to many years, and the maintenance frequency of the scale inhibition device can be greatly reduced.

Example two

As shown in fig. 2, the difference between the second embodiment and the first embodiment is that the inlet of the backwashing pipeline 14 of the cloud and mist dust settling system is connected to the water inlet pipeline 13. If the water entering the water inlet pipe 13 is clean enough, the water in the water inlet pipe 13 can be directly utilized for backwashing.

As an improvement of the above embodiment, heating bodies may be disposed on the respective pipelines to achieve the heat preservation effect. A booster pump or a pressure reducing valve can be added to adjust the water pressure in the pipeline.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. The utility model provides a cloud and mist dust fall system which characterized in that, cloud and mist dust fall system includes:

the first filter comprises a shell and a filtering component arranged in the shell, the shell is of a hollow structure, a first water gap, a second water gap and a drain outlet are formed in the side wall of the shell, the drain outlet is located below the first water gap and the second water gap, the filtering component comprises a filtering net and a filtering piece, the filtering net is enclosed into a hollow structure with an opening, the filtering piece is arranged in the filtering net, the first water gap is opposite to the outer side of the filtering net, and water entering the shell from the second water gap can flush into the filtering net through the opening;

the outlet of the water inlet pipeline is communicated with the first water gap, and a first electromagnetic valve is arranged on the water inlet pipeline;

the outlet of the backwashing pipeline is communicated with the second water port, and a second electromagnetic valve is arranged on the backwashing pipeline;

the water inlet of the nozzle is communicated with the second water gap through a pipeline, and a third electromagnetic valve is arranged on the pipeline for communicating the water inlet of the nozzle with the second water gap; and

and the fourth electromagnetic valve is used for controlling the opening and closing of the sewage draining outlet.

2. The cloud and mist dust settling system of claim 1, wherein the filter screen encloses a barrel structure having the opening at an upper end, and the second water gap is higher than the opening.

3. The cloud dustfall system of claim 1, wherein said filter is a scale inhibitor.

4. The cloud dustfall system of claim 1, further comprising a first differential pressure sensor disposed between said first water port and said second water port for measuring a differential pressure at said first water port and said second water port.

5. The cloud and mist dust settling system of claim 1, further comprising a second filter, the second filter comprising a third water port and a fourth water port, the third water port being in communication with the second water port via a pipe, the fourth water port being in communication with the water inlet of the nozzle via a pipe, the third solenoid valve being disposed on the pipe for communicating the second water port with the third water port.

6. The cloud and mist dust settling system of claim 5, further comprising a water pump disposed on a conduit for communicating the second filter with the nozzle.

7. The cloud and mist dust settling system of claim 6, wherein a check valve is disposed on a conduit between the water pump and the nozzle.

8. The cloud and mist dust settling system of claim 6, wherein a pressure sensor is disposed on a conduit between the water pump and the nozzle.

9. The cloud and mist dust settling system of claim 1, further comprising a water pump disposed on a conduit for communicating the first filter with the nozzle, or the water pump disposed on the water inlet conduit.

10. The cloud and mist dust settling system of claim 1, wherein an inlet of the backwash pipeline is connected to the water inlet pipeline.

Images