Water level adjusting device of wet type spraying dust remover

Abstract

The utility model relates to a wet type spray dust remover water level adjusting device which comprises an outer barrel and an inner barrel, a water inlet cavity is arranged between the inner wall of the outer barrel and the outer wall of the inner barrel, a water inlet pipe communicated with the water inlet cavity is fixedly arranged on one side of the outer barrel, a plurality of communicating holes are formed in the bottom wall of the inner barrel, and a water outlet pipe communicated with the water inlet cavity is fixedly arranged on the other side of the inner barrel. An air inlet pipe is arranged on the lower portion of the side wall of the outer barrel, the air outlet end of the air inlet pipe is communicated with an inner cavity of the inner barrel, a filter screen is fixedly arranged in the inner barrel, a plurality of small exhaust holes are formed in the side wall of the inner barrel and located above the filter screen, an air outlet pipe is fixedly arranged above the side wall of the outer barrel, and the air outlet end of the air outlet pipe is communicated with the inner cavity of the inner barrel. A filter screen is arranged in the outer barrel, a spraying assembly is arranged above the filter screen, a first liquid level sensor and a second liquid level sensor are arranged in the water inlet cavity, an electromagnetic switch valve is installed on the water inlet pipe, and a PLC control device electrically connected with the first liquid level sensor, the second liquid level sensor and the electromagnetic switch valve is fixedly arranged on the outer wall of the outer barrel.

Description

Technical Field

[0001] The utility model relates to the field of dust removal, in particular to a water level regulating device for a wet spray dust collector. Background Art

[0002] At present, commonly used dust collectors are mainly divided into dry dust collectors and wet dust collectors. Compared with dry dust collectors, wet dust collectors have better dust removal effects and can prevent dust from overflowing with gas. For example, a Chinese patent document with announcement number CN213375728U discloses a wet dust collector, including a dust collector, a split dust collector, a water level control device, a reflux spray device and a water film plate; the dust collector is provided with an air inlet pipe, an air outlet, a water inlet and a water outlet; the air inlet pipe is arranged in the middle of the dust collector; the air outlet is arranged at the top of the dust collector; the water inlet and the water outlet are arranged at The bottom of the dust removal cylinder; the diversion dust removal device includes a diversion cover, a diversion pipe and a fixing frame; the diversion cover is provided with a plurality of branch pipe interfaces; the fixing frame is provided with a plurality of mounting holes; there are a plurality of diversion pipes, one end of the diversion pipe is connected to the branch pipe interface, and the other end is connected to the mounting hole on the fixing frame; the water level control device includes an inlet valve and a clean water bucket, and a water outlet is provided at the bottom of the clean water bucket; the inlet valve is connected to the water outlet through a pipe; the water level control device of the wet dust collector is in urgent need of improvement because it cannot control the liquid level height of the clean water bucket. Utility Model Content

[0003] The utility model aims to provide a water level regulating device for a wet spray dust collector, which is used to solve the problem that the existing water level regulating device for a wet spray dust collector cannot control the water level height of a clean water bucket.

[0004] In order to solve the above problems, the utility model provides a water level regulating device for a wet spray dust collector, comprising an outer barrel and an inner barrel, a water inlet cavity is provided between the inner wall of the outer barrel and the outer wall of the inner barrel, a water inlet pipe connected to the water inlet cavity is fixedly provided on one side of the outer barrel, a plurality of connecting holes are provided on the bottom wall of the inner barrel, an air inlet pipe is provided below the side wall of the outer barrel, an air outlet end of the air inlet pipe is connected to the inner cavity of the inner barrel, a filter is fixedly provided in the inner barrel, a plurality of exhaust holes are provided on the side wall of the inner barrel, the exhaust holes are located above the filter, an air outlet pipe is fixedly provided above the side wall of the outer barrel, a spray assembly is provided above the filter, a first liquid level sensor and a second liquid level sensor are provided in the water inlet cavity, an electromagnetic switch valve is installed on the water inlet pipe, and a PLC control device electrically connected to the first liquid level sensor, the second liquid level sensor and the electromagnetic switch valve is fixedly provided on the outer wall of the outer barrel.

[0005] The water level regulating device for a wet spray dust collector provided by the utility model also has the following technical features:

[0006] Furthermore, the outer barrel comprises an outer barrel body and an outer barrel cover, and the outer barrel cover is coaxially fixedly connected to the outer wall of the inner barrel.

[0007] Furthermore, the inner barrel comprises an inner barrel body and a hollow inner barrel cover.

[0008] Furthermore, the spray assembly includes a circulating water pump, a suction pipe and a drain pipe, the end of the suction pipe away from the circulating water pump is connected to the water inlet cavity, the end of the drain pipe away from the circulating water pump is connected to the inner cavity of the hollow inner barrel cover, and a plurality of water spray heads are fixedly provided at the bottom of the hollow inner barrel cover.

[0009] Furthermore, the first liquid level sensor is located below the filter, and the second liquid level sensor is located above the intake pipe.

[0010] Furthermore, the filter is made of activated carbon.

[0011] Furthermore, the distance between the inner wall of the outer barrel and the outer wall of the inner barrel is 10-15 cm.

[0012] The utility model has the following beneficial effects: in the initial state, the water level of the water inlet cavity is at the liquid level indicated by the first liquid level sensor, when the dust-containing gas enters the inner barrel from the air inlet pipe, the dust in the gas can be initially filtered by the water in the inner barrel, and then the gas continues to rise, the filter can perform secondary filtering on the gas, and water can be sprayed to the filter through the spray assembly to form a countercurrent with the continuously rising gas to spray the gas for dust reduction, and the dust-reduced gas is discharged from the air outlet pipe through the exhaust holes, and the water level gradually drops as the water is consumed during the dust reduction process, and once the water level drops to the liquid level corresponding to the second liquid level sensor, the electromagnetic switch valve is immediately opened, and water is timely replenished into the water inlet cavity through the water inlet pipe, with a simple structure and ingenious design. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The present invention is a schematic diagram of the overall structure of a water level regulating device for a wet spray dust collector according to an embodiment of the present invention. DETAILED DESCRIPTION

[0014] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments. It should be noted that the embodiments and features in the embodiments of the present invention can be combined with each other without conflict.

[0015] like Figure 1In the embodiment of the water level regulating device of a wet spray dust collector of the utility model shown in the figure, an outer barrel 10 and an inner barrel 11 are provided, a water inlet cavity 101 is provided between the inner wall of the outer barrel 10 and the outer wall of the inner barrel 11, a water inlet pipe 100 connected to the water inlet cavity 101 is fixedly provided on one side of the outer barrel 10, a plurality of connecting holes 110 are opened on the bottom wall of the inner barrel 11, an air inlet pipe 102 is provided below the side wall of the outer barrel 10, and an air outlet end of the air inlet pipe 102 is connected to the inner barrel 11. The inner and outer cavities are connected, a filter screen 12 is fixedly arranged in the inner barrel 11, a plurality of exhaust holes 111 are opened on the side wall of the inner barrel 11, and the exhaust holes 111 are located above the filter screen 12, an air outlet pipe 103 is fixedly arranged above the side wall of the outer barrel 10, a spray assembly 13 is arranged above the filter screen 12, a first liquid level sensor 14 and a second liquid level sensor 15 are arranged in the water inlet cavity 101, an electromagnetic switch valve 104 is installed on the water inlet pipe 100, and a fixed air outlet pipe 103 is arranged on the outer wall of the outer barrel 10 There is a PLC control device 16 electrically connected to the first liquid level sensor 14, the second liquid level sensor 15 and the electromagnetic switch valve 104. Specifically, in the initial state, the water level of the water inlet cavity 101 is at the liquid level indicated by the first liquid level sensor 14. When the dust-containing gas enters the inner barrel 11 from the air inlet pipe 102, the water in the inner barrel 11 can preliminarily filter the dust in the gas. Then the gas continues to rise, and the filter 12 can perform secondary filtration on the gas. The spray assembly 13 can spray water to the filter 12 to form a countercurrent with the continuously rising gas to spray the gas to reduce dust. The gas after dust reduction is discharged from the air outlet pipe 103 through the exhaust hole 111. During the dust reduction process, as the water is consumed, the water level gradually decreases. Once the water level drops to the liquid level corresponding to the second liquid level sensor 15, the electromagnetic switch valve 104 is immediately opened, and water is replenished in the water inlet cavity in time through the water inlet pipe. The structure is simple and the design is ingenious.

[0016] In one embodiment of the present application, the outer barrel 10 includes an outer barrel body 1011 and an outer barrel cover 1012 , and the outer barrel cover 1012 is coaxially fixedly connected to the outer wall of the inner barrel 11 .

[0017] In one embodiment of the present application, the inner tub 11 includes an inner tub body 1101 and a hollow inner tub cover 1102 .

[0018] In one embodiment of the present application, the spray assembly 13 includes a circulating water pump 131, a suction pipe 132 and a drain pipe 133, the end of the suction pipe 132 away from the circulating water pump 131 is connected to the water inlet cavity 101, the end of the drain pipe 133 away from the circulating water pump 131 is connected to the inner cavity of the hollow inner barrel cover 1102, and a plurality of water spray heads 134 are fixedly provided at the bottom of the hollow inner barrel cover 1102. Specifically, by starting the circulating water pump 131, the circulating water pump 131 pumps part of the water in the water inlet cavity 101 to the drain pipe 133 through the suction pipe 132, the water in the drain pipe 133 enters the cavity of the hollow inner barrel cover 1102, and the water in the hollow inner barrel cover 1102 is evenly sprayed out from the water spray heads 134 to countercurrently reduce dust from the rising gas.

[0019] In one embodiment of the present application, the first liquid level sensor 14 is located below the filter, and the second liquid level sensor 15 is located above the intake pipe 102 .

[0020] In one embodiment of the present application, the filter 12 is made of activated carbon.

[0021] In one embodiment of the present application, the spacing distance between the inner wall of the outer barrel 10 and the outer wall of the inner barrel 11 is 10-15 cm.

[0022] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A water level regulating device for a wet spray dust collector, characterized in that: It comprises an outer barrel and an inner barrel, a water inlet cavity is arranged between the inner wall of the outer barrel and the outer wall of the inner barrel, a water inlet pipe communicating with the water inlet cavity is fixedly arranged on one side of the outer barrel, a plurality of communicating holes are provided on the bottom wall of the inner barrel, an air inlet pipe is arranged below the side wall of the outer barrel, an air outlet end of the air inlet pipe is communicated with the inner cavity of the inner barrel, a filter is fixedly arranged in the inner barrel, a plurality of exhaust holes are provided on the side wall of the inner barrel, the exhaust holes are located above the filter, an air outlet pipe is fixedly arranged above the side wall of the outer barrel, a spray assembly is arranged above the filter, a first liquid level sensor and a second liquid level sensor are arranged in the water inlet cavity, an electromagnetic switch valve is installed on the water inlet pipe, and a PLC control device electrically connected with the first liquid level sensor, the second liquid level sensor and the electromagnetic switch valve is fixedly arranged on the outer wall of the outer barrel.

2. A water level regulating device for a wet spray dust collector according to claim 1, characterized in that: The outer barrel comprises an outer barrel body and an outer barrel cover, and the outer barrel cover is coaxially fixedly connected to the outer wall of the inner barrel.

3. The water level regulating device for a wet spray dust collector according to claim 1, characterized in that: The inner barrel comprises an inner barrel body and a hollow inner barrel cover.

4. A water level regulating device for a wet spray dust collector according to claim 3, characterized in that: The spray assembly includes a circulating water pump, a suction pipe and a drain pipe. The end of the suction pipe away from the circulating water pump is connected to the water inlet cavity, and the end of the drain pipe away from the circulating water pump is connected to the inner cavity of the hollow inner barrel cover. A plurality of water spray heads are fixedly provided at the bottom of the hollow inner barrel cover.

5. The water level regulating device for a wet spray dust collector according to claim 1, characterized in that: The first liquid level sensor is located below the filter screen, and the second liquid level sensor is located above the intake pipe.

6. A water level regulating device for a wet spray dust collector according to claim 1, characterized in that: The filter is made of activated carbon.

7. The water level regulating device for a wet spray dust collector according to claim 1, characterized in that: The distance between the inner wall of the outer barrel and the outer wall of the inner barrel is 10-15 cm.

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