CN221131530U - Water curtain cleaning machine - Google Patents

Abstract

A water curtain cleaning machine relates to the technical field of waste gas treatment. The water curtain cleaning machine comprises a shell, a spraying assembly and a filtering assembly. A cleaning cavity is arranged in the shell. The shell is provided with an air inlet and an air outlet which are communicated with the cleaning cavity. The spray assembly is positioned in the cleaning cavity. The spray assembly comprises a first spray pipe and a second spray pipe which are sequentially arranged in the direction from the air inlet to the air outlet. The first spray pipe is provided with a first spray head facing the air inlet. The second spray pipe is provided with a second spray head facing the air inlet. The aperture of the second nozzle opening is larger than the aperture of the first nozzle opening. This water curtain cleaning machine forms not the liquid drop of equidimension and handles waste gas through double-deck spray assembly, can carry out humidification to waste gas better to improve the treatment effeciency of waste gas.

Description

Water curtain cleaning machine

Technical Field

The utility model relates to the technical field of waste gas treatment, in particular to a water curtain cleaning machine.

Background

A large amount of industrial waste gas can be generated in domestic petrochemical industry, chemical industry, coking industry, steel and metal smelting industry, thermal power generation industry and other industrial production, and the industrial waste gas contains various pollutants, especially micron-sized pollutant particles, acid mist and aerosol which are difficult to remove. The components which can be dissolved in water can form liquid drops in a spray humidifying mode, and the liquid drops are discharged through self-weight sedimentation of the liquid drops, so that harmful components in the waste gas are removed.

The inventor researches show that the current waste gas cleaning machine can only form small liquid drops, only one spraying treatment is adopted, harmful components in waste gas can not be thoroughly treated, and the formed small liquid drops can not be completely subjected to gas-liquid separation treatment.

Disclosure of utility model

The utility model aims to provide a water curtain cleaning machine which can humidify waste gas better, improve the treatment efficiency of the waste gas and facilitate gas-liquid separation treatment.

Embodiments of the present utility model are implemented as follows:

The utility model provides a water curtain cleaning machine, comprising:

The shell is internally provided with a cleaning cavity, and the shell is provided with an air inlet and an air outlet which are communicated with the cleaning cavity;

The spray assembly is located in the cleaning cavity and comprises a first spray pipe and a second spray pipe which are sequentially arranged in the direction from the air inlet to the air outlet, a first spray nozzle which faces the air inlet is arranged on the first spray pipe, a second spray nozzle which faces the air inlet is arranged on the second spray pipe, and the aperture of the opening of the second spray nozzle is larger than that of the opening of the first spray nozzle.

In an alternative embodiment, the first spraying pipe and the second spraying pipe are fixed on the side wall of the shell, and the lengths of the first spraying pipe and the second spraying pipe are matched with the width of the cleaning cavity, so that the spraying area can be enlarged.

In an alternative embodiment, the first spraying pipes and the second spraying pipes are multiple, the first spraying pipes are arranged in parallel in a plane perpendicular to the direction from the air inlet to the air outlet, and the second spraying pipes are arranged in parallel in a plane perpendicular to the direction from the air inlet to the air outlet, so that the spraying area is further enlarged.

In an alternative embodiment, the water curtain cleaning machine further comprises a filter assembly, the filter assembly is located in the cleaning cavity, the filter assembly comprises a first filter layer, a second filter layer and a third filter layer, the first filter layer is located between the first spray pipe and the second spray pipe, the second filter layer is located above the second spray pipe, the third filter layer is located between the second filter layer and the air outlet, gas and liquid drops can be effectively separated, the humidity of the air outlet gas is reduced, and the flow resistance of the air after the air is discharged is reduced.

In an alternative embodiment, the first filter layer is a filter plate, and a plurality of filter holes are formed in the filter plate.

In an alternative embodiment, the second filter layer is a refraction layer, the refraction layer is a plurality of parallel concave-convex plates, and bending channels are formed between the concave-convex plates.

In an alternative embodiment, the third filter layer is a demister, and the demister is plate-shaped and is fixedly connected with the side wall of the cleaning cavity, which is close to the air outlet.

In an alternative embodiment, the first spray head is an atomizer spray head and the second spray head is a screw spray head.

In an alternative embodiment, the water curtain cleaning machine further comprises a water replenishing assembly, the water replenishing assembly comprises a water tank and a water replenishing pipe, the water tank is fixed on one side of the shell, one end of the water replenishing pipe is connected with the water tank through a water pump, and the other end of the water replenishing pipe is connected with the first spraying pipe and the second spraying pipe and is used for continuously spraying to realize automatic control.

In optional embodiment, the water tank still includes the moisturizing mouth, the bottom of wasing the chamber is equipped with the water receiving tank, the bottom of water receiving tank is equipped with the outlet, one side of water receiving tank is equipped with the level gauge, the level gauge is used for detecting liquid level in the water receiving tank is so that the water tank is followed moisturizing of moisturizing mouth department is automatic, the overflow mouth is higher than the bottom of water receiving tank prevents that liquid level is too high.

The embodiment of the utility model has the beneficial effects that:

According to the water curtain cleaning machine disclosed by the utility model, through the double-layer spray assembly, liquid drops with different sizes are formed to treat waste gas, the first spray pipe has the effect of uniformly humidifying, and the second spray pipe can enlarge the formed liquid drops, so that gas-liquid separation treatment is facilitated, the waste gas can be humidified better, and the treatment efficiency of the waste gas is improved. The water curtain cleaning machine can better humidify the waste gas, improves the treatment efficiency of the waste gas and is convenient for gas-liquid separation treatment.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the overall structure of a water curtain cleaner according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a filter plate according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a baffle plate according to an embodiment of the present utility model;

fig. 4 is a schematic structural view of a water tank according to an embodiment of the present utility model;

Fig. 5 is a schematic structural diagram of a water receiving tank according to an embodiment of the utility model.

Icon 100-water curtain cleaner; 10-a housing; 11-a cleaning chamber; 12-air inlet; 13-an air outlet; 20-spraying assembly; 21-a first shower; 211-a first mounting port; 212-a first spray head; 22-a second shower; 221-a second mounting port; 222-a second spray head; 30-a filter assembly; 31-a first filter layer; 311-filtering plates; 312-filtration pores; 32-a second filter layer; 321-concave-convex plates; 322-concave; 323-convex; 33-a third filter layer; 40-a water supplementing component; 41-a water tank; 411-water supplementing port; 42-water pump; 43-check valve; 44-a water supplementing pipe; 50-a water receiving tank; 51-a drain port; 511-a drain pipe; 512-drain valve; 52-a liquid level gauge; 53-overflow.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1, a water curtain cleaner 100 of the present embodiment is used for treating waste gas generated in industry, and removing water-soluble components in the waste gas by spraying, and includes a housing 10, a spraying assembly 20, a filtering assembly 30 and a water replenishing assembly 40.

The housing 10 is generally cylindrical and defines a cleaning chamber 11 therein. The shell 10 is also provided with an air inlet 12 and an air outlet 13 which are communicated with the cleaning cavity 11. In the present embodiment, the air inlet 12 is located at a position below the side of the housing 10, and the air outlet 13 is located at the top of the housing 10. It will be appreciated that exhaust gas enters the washing chamber 11 from the gas inlet 12, is treated in the washing chamber 11, and is discharged through the gas outlet 13 after the treatment is completed.

Alternatively, in this embodiment, the shape of the housing 10 is a cuboid, and in other embodiments, the shape of the housing 10 may be a cylinder, a polygonal column, or the like, which is not limited by the present utility model. Alternatively, in other embodiments, the air inlet 12 may be located at the bottom of the housing 10, and the air outlet 13 may be located at a position above the side of the housing 10, which is not limited by the present utility model.

The spray assembly 20 is located within the cleaning chamber 11 and includes a first spray pipe 21 and a second spray pipe 22 disposed in sequence in a direction from the air inlet 12 to the air outlet 13. In the present embodiment, the first shower pipe 21 and the second shower pipe 22 are provided in order from bottom to top. The first shower pipe 21 is located above the air inlet 12. The first shower pipe 21 is provided with a plurality of first spray nozzles 212 facing the air inlet 12. It will be appreciated that the first shower pipe 21 is provided with a plurality of first mounting openings 211 at intervals, and the first shower head 212 is mounted at the first mounting openings 211. The first nozzle 212 is directed downward to facilitate the landing of droplets. A plurality of second spray heads 222 are provided on the second spray pipe 22. The second shower pipe 22 has substantially the same structure as the first shower pipe 21, and is provided with a plurality of second mounting openings 221, and the second shower head 222 is mounted at the second mounting opening 221.

It should be noted that the first shower pipe 21 and the second shower pipe 22 are fixed to one side of the housing 10. The pipe bodies of the first spray pipe 21 and the second spray pipe 22 are positioned in the cleaning cavity 11, and one end of the pipe body positioned in the cleaning cavity 11 is sealed. The interfaces of the first spray pipe 21 and the second spray pipe 22 are positioned outside the shell 10, and the interfaces are used for connecting water pipes.

To form droplets of different sizes for treating the exhaust gas, the aperture of the opening of the second nozzle 222 is larger than the aperture of the opening of the first nozzle 212. Optionally, the first nozzle 212 is an atomizer nozzle, and the spraying area may be conical or fan-shaped, which is not limited by the present utility model. The second ejection head 222 is a spiral ejection head that can make ejected droplets larger.

It can be appreciated that the droplets ejected from the first nozzle 212 are smaller, so that the exhaust gas can be uniformly humidified, and the harmful components in the exhaust gas are fully dissolved. The droplets ejected from the second nozzle 222 are larger, so that the formed droplets become larger, and most droplets drop to the bottom under the action of gravity, so that the processing pressure of subsequent filtration is reduced, and gas-liquid separation is facilitated.

In order to enlarge the spray area of the spray pipe, the length of the spray pipe should be matched with the width of the cleaning chamber 11 to ensure the spray coverage rate of the cleaning chamber 11. Further, the number of the first shower pipes 21 and the second shower pipes 22 is plural. The first shower pipes 21 are arranged in parallel in a plane perpendicular to the direction from the air inlet 12 to the air outlet 13, and the second shower pipes 22 are arranged in parallel in a plane perpendicular to the direction from the air inlet 12 to the air outlet 13. In the present embodiment, the first shower pipe 21 and the second shower pipe 22 are each disposed in a horizontal plane. It will be appreciated that the direction of extension of the first shower pipe 21 and the second shower pipe 22 coincides with the width direction of the wash chamber 11 so as to cover the wash chamber 11 in width; the first spray pipes 21 are arranged at intervals along the length direction of the cleaning cavity 11, and the second spray pipes 22 are arranged at intervals along the length direction of the cleaning cavity 11 so as to completely cover the cavity on the horizontal plane, thereby realizing the full cleaning of the waste gas in the cleaning cavity 11.

With continued reference to FIG. 1, the filter assembly 30 is disposed within the cleaning chamber 11 and includes a first filter layer 31, a second filter layer 32 and a third filter layer 33. The first filter layer 31 is located between the first spray pipe 21 and the second spray pipe 22, and is used for performing gas-liquid separation pretreatment on the exhaust gas passing through the first spray pipe 21, so that the difficulty of subsequent gas-liquid separation is reduced. The second filter layer 32 is positioned above the second shower pipe 22 to isolate larger droplets. The third filter layer 33 is disposed near the gas outlet 13 and between the second filter layer 32 and the gas outlet 13, and can reduce the humidity of the gas at the gas outlet 13, thereby reducing the flow resistance after the gas is discharged.

Specifically, referring to fig. 1 and 2, in the present embodiment, the first filter layer 31 is a filter plate 311. The filter plate 311 is provided with a plurality of filter holes 312. It will be appreciated that the shape of the filter plate 311 should be consistent with the cross section of the chamber of the cleaning chamber 11, i.e. the edges of the filter plate 311 are fixedly connected to the inner wall of the cleaning chamber 11. Alternatively, the aperture and the opening ratio of the filtering holes 312 may be determined according to the wind speed. In this embodiment, the filter holes 312 are arranged in an equilateral triangle array, and in other embodiments, the filter holes 312 may be arranged in a rectangular array, which is not limited by the present utility model.

Referring to fig. 1 and 3, in the present embodiment, the second filter layer 32 is a refraction layer. The refraction layer is a plurality of parallel concave-convex plates 321, and bending channels are formed among the concave-convex plates 321. It will be appreciated that the tortuous path is generally "S" shaped, and that as the gas passes through the "S" shaped tortuous path, liquid in the gas separates by impingement of the plurality of concave-convex surfaces 323. Alternatively, in the present embodiment, the concave-convex plate 321 is formed by sequentially connecting a concave surface 322 and a convex surface 323. In other embodiments, the concave-convex plate 321 may be formed by sequentially connecting a plurality of concave surfaces 322 and a plurality of convex surfaces 323 at intervals.

Specifically, in the present embodiment, the third filter layer 33 is a demister. The demister is approximately plate-shaped, and the edge of the demister is fixedly connected with the side wall of the cleaning chamber 11, which is close to the air outlet 13. The demister is in a screen shape so as to conveniently filter smaller liquid drops and separate gas and liquid again.

Referring to fig. 1 and 4, the refill assembly 40 includes a tank 41 and a refill tube 44. The water tank 41 is fixed to one side of the housing 10, and a water replenishment port 411 for replenishing water to the water tank 41 is provided. One end of the water replenishing pipe 44 is connected with the water tank 41 through the water pump 42, and the other end is connected with the first shower pipe 21 and the second shower pipe 22 for inputting water in the water tank 41 into the first shower pipe 21 and the second shower pipe 22. Optionally, the water supplementing pipe 44 is further provided with a check valve 43 for preventing water from flowing backwards to protect the water pump 42.

Referring to fig. 1 and 5, a water receiving tank 50 is provided at the bottom of the cleaning chamber 11, a water outlet 51 is provided at the bottom of the water receiving tank 50, and a drain pipe 511 and a drain valve 512 are provided outside the water outlet 51. A liquid level gauge 52 is provided on one side of the water receiving tank 50 for detecting the liquid level in the water receiving tank 50. An overflow port 53 is arranged on one side of the water receiving tank 50, and the overflow port 53 has a certain height relative to the bottom of the water receiving tank 50. Further, the water curtain washer 100 also includes a controller (not shown) for receiving the liquid level signal and controlling the draining and replenishing of water.

The water curtain cleaning machine 100 of the present utility model operates on the principle and process of:

When the waste gas needs to be cleaned, the waste gas is introduced from the air inlet 12, and the water in the water tank 41 is input into the first spraying port and the second spraying port for spraying. The gas carries out even humidification through first spraying mouth, later carries out the preliminary treatment of gas-liquid separation through first filter layer 31, carries out the secondary through the second spraying mouth again and sprays the harmful components that gets rid of, and the liquid droplet that sprays for the second time is bigger, make the less liquid droplet that sprays for the first time grow, thereby make things convenient for subsequent gas-liquid separation, then the crooked passageway through second filter layer 32, gas and liquid collide, keep apart the liquid droplet of large granule, then carry out defogging through third filter layer 33, get rid of the liquid droplet of small granule, finally discharge through gas outlet 13.

The droplets ejected from the first and second spray openings dissolve harmful components in the exhaust gas, and drop into the water receiving tank 50 due to the self weight of the droplets. The liquid level gauge 52 detects the liquid level of the water receiving tank 50, and divides the liquid level into four steps of low, medium, high and excessively high. When the liquid level is in a low gear, the drain valve 512 is closed, and the water supplementing port 411 of the water tank 41 is automatically supplemented with water; when the liquid level is in the middle gear, the drain valve 512 is closed, and water replenishing is stopped; when the liquid level is in the high gear, the drain valve 512 is opened to perform the drain treatment; when the fluid level is in an over-high gear, the controller gives an alarm, and maintenance personnel can timely detect whether there is a blockage or whether the level gauge 52 fails. The overflow port 53 is in a normally open state, so that the liquid level is prevented from being higher than the position of the overflow port 53, and when the liquid level reaches the overflow port 53, the liquid can be discharged through the overflow port 53.

The water curtain cleaning machine 100 of the utility model has the advantages that:

According to the water curtain cleaning machine 100 disclosed by the utility model, through the double-layer spray assembly 20, liquid drops with different sizes are formed to treat the waste gas, the waste gas can be uniformly humidified by smaller liquid drops, and larger liquid drops can form larger liquid drops, so that gas-liquid separation is facilitated, the waste gas can be better humidified, and the treatment efficiency of the waste gas is improved. The multiple layer arrangement of spray assembly 20 also increases the difficulty of gas-liquid separation. In order to effectively separate the gas and the liquid droplets, the exhaust gas treated by the first shower pipe 21 is subjected to a pre-separation treatment by providing a first filter layer 31 between the first shower pipe 21 and the second shower pipe 22; by providing a second filter layer 32 behind the second shower 22, large droplets are effectively isolated; by providing the third filter layer 33 in front of the gas outlet 13, the humidity of the gas at the gas outlet 13 is effectively reduced, thereby reducing the flow resistance after the gas is discharged.

The water curtain cleaning machine 100 can better humidify the waste gas, improve the treatment efficiency of the waste gas, effectively separate the gas from liquid drops, reduce the humidity of the gas at the gas outlet 13 and reduce the flow resistance of the discharged gas.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. A water curtain washer (100), comprising:

The cleaning device comprises a shell (10), wherein a cleaning cavity (11) is arranged in the shell (10), and an air inlet (12) and an air outlet (13) which are communicated with the cleaning cavity (11) are arranged on the shell (10);

Spray subassembly (20), spray subassembly (20) are located wash intracavity (11), spray subassembly (20) include follow first shower (21) and second shower (22) that set gradually in the direction of air inlet (12) to gas outlet (13), be equipped with on first shower (21) towards first shower (212) of air inlet (12), be equipped with on second shower (22) towards second shower (222) of air inlet (12), second shower (222) open-ended aperture is greater than first shower (212) open-ended aperture.

2. The water curtain washer (100) of claim 1, wherein the first shower pipe (21) and the second shower pipe (22) are fixed to a side wall of the housing (10), and a length of the first shower pipe (21) and the second shower pipe (22) matches a width of the wash chamber (11).

3. The water curtain washer (100) of claim 2, wherein the first shower pipe (21) and the second shower pipe (22) are each plural, the plural first shower pipes (21) are disposed in parallel in a plane perpendicular to a direction from the air inlet (12) to the air outlet (13), and the plural second shower pipes (22) are disposed in parallel in a plane perpendicular to a direction from the air inlet (12) to the air outlet (13).

4. The water curtain washer (100) of claim 1, wherein the first spray head (212) is an atomizer spray head and the second spray head (222) is a screw spray head.

5. The water curtain washer (100) of claim 1, wherein the water curtain washer (100) further comprises a filter assembly (30), the filter assembly (30) being located within the wash chamber (11), the filter assembly (30) comprising a first filter layer (31), a second filter layer (32) and a third filter layer (33), the first filter layer (31) being located between the first shower (21) and the second shower (22), the third filter layer (33) being located proximate to the air outlet (13), the second filter layer (32) being located between the second shower (22) and the third filter layer (33).

6. The water curtain cleaner (100) of claim 5, wherein the first filter layer (31) is a filter plate (311), and a plurality of filter holes (312) are formed in the filter plate (311).

7. The water curtain washer (100) of claim 5, wherein the second filter layer (32) is a baffle layer, the baffle layer is a plurality of parallel concave-convex plates (321), and a bending channel is formed between the concave-convex plates (321).

8. The water curtain washer (100) of claim 5, wherein the third filter layer (33) is a mist eliminator, the mist eliminator being plate-shaped and fixedly connected to a side wall of the wash chamber (11) on a side thereof adjacent to the air outlet (13).

9. The water curtain cleaning machine (100) according to claim 1, wherein the water curtain cleaning machine (100) further comprises a water replenishing assembly (40), the water replenishing assembly (40) comprises a water tank (41) and a water replenishing pipe (44), the water tank (41) is fixed on one side of the shell (10), one end of the water replenishing pipe (44) is connected with the water tank (41) through a water pump (42), and the other end of the water replenishing pipe (44) is connected with the first spray pipe (21) and the second spray pipe (22).

10. The water curtain cleaning machine (100) according to claim 9, wherein the water tank (41) further comprises a water supplementing port (411), a water receiving tank (50) is arranged at the bottom of the cleaning cavity (11), a water outlet (51) is arranged at the bottom of the water receiving tank (50), a liquid level meter (52) is arranged on one side of the water receiving tank (50), the liquid level meter (52) is used for detecting the liquid level in the water receiving tank (50) so that the water tank (41) can automatically supplement water from the water supplementing port (411), an overflow port (53) is arranged on one side of the water receiving tank (50), and the overflow port (53) is higher than the bottom of the water receiving tank (50).