KR101493602B1 - Wet scrubber with two mist separator and two water tank - Google Patents

Abstract

The present invention relates to a cleaning tower for cleaning dust or harmful gas of exhaust gas discharged from various production equipments or boilers by circulating washing water, wherein three washing plates are installed inside the washing tower cylindrical body, A two-layer water tank washing tower composed of a water washing chamber, two washing chambers filled with a cleaning contact material on the water receiving chamber, and a basin separation chamber filled with a water separation contact material on the cleaning chamber, And the upper water tank bottom plate is constituted so that the space between the inside of the cleaning tower cylindrical body and the upper water tank wall plate and the lower water tank bottom is constituted as an upper water tank and a perforated plate and a water separation contact material are constituted at one side lower part of the upper water tank wall, A first primary water separation chamber constituted by an auxiliary plate and a secondary plate is formed so that the upper circulation water of the upper washing chamber is connected to the lower washing chamber and the first water separation chamber It is possible to prevent the inflow of the lower washing water into the upper washing chamber together with the gas in the lower washing chamber and to increase the flow rate of the gas moving to the first water separation chamber to improve the water separation efficiency of the first water separation chamber .
The present invention can improve the height of the cleaning tower and the manufacturing cost by minimizing the increase of the cleaning tower and the construction of two water tanks in the inside without connecting the two cleaning towers horizontally in series by constituting the upper water tank in the lower cleaning chamber It is possible to efficiently and efficiently process the complex gas and to improve the water separation efficiency by improving the flow rate of the gas by constituting the primary water separation chamber on one side of the upper water tank in the lower cleaning chamber, It is possible to surely prevent the inflow of the upper circulation water into the lower washing chamber and the first water separation chamber by blocking the inflow of the water into the washing chamber and forming the water level plate and the auxiliary water level plate on the upper portion of the primary water- So that mixing of the upper circulation water and the lower circulation water is reliably prevented.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a cleaning tower having a double water tank and a double water separation chamber,

The present invention relates to a cleaning tower for cleaning dust or harmful gas of exhaust gas discharged from various production equipments or boilers by circulating cleaning water, and more particularly, to a cleaning tower for minimizing increase in height of a cleaning tower and increase in manufacturing cost, The two water tanks and the two water separation chambers can be formed in the water tank, the mixing of the circulating washing water contained in each water tank is prevented as much as possible, and the water molecules contained in the introduced gas are effectively captured by the two water separation chambers The present invention relates to a washing tower comprising a double water tank and a double water separation chamber which are improved so that they can be dropped.

As is well known, the cleaning tower is a device for cleaning dust or harmful gas of exhaust gas discharged from various production equipments or boilers with circulating cleaning water and processing the same. In the cleaning tower main body 50, A cleaning chamber 51, an upper cleaning chamber 52, a single water separation chamber 53, and a water tank 54 formed at the lowermost end.

For example, when the composite gas mixed with acid and alkali is to be cleaned, the two cleaning towers are horizontally connected in series, the first cleaning tower water tank is treated with the alkaline circulating washing water, In the washing tower, it is necessary to administer the acidic circulating washing water to effectively treat the complex gas. Therefore, the washing tower is required to have a large area and the cost is increased.

The prior art for solving the above problems will be described as follows.

In the two-layer water tank washing tower, a hollow (= open center) conical (or trumpet type) inner plate is bonded to the inside of the washing tower body in a cylindrical washing tower lower washing chamber, An annular space between the main bodies is used as an upper water tank and an inner plate is used as a gas pipe to form an upper water tank in addition to the lower water tank to increase the cleaning tower height slightly to connect the two cleaning towers .

However, in the two-layer water tank washing tower, the washing water contained in the lower water tank moves to the upper washing chamber without being subjected to the mist separate process in the process of moving the gas washed in the lower washing chamber to the upper washing chamber, This causes a problem that the washing water contained in the lower water tank is mixed with the washing water contained in the upper water tank.

Patent Document 1: JP-A-10-1203420 A two-component simultaneous cleaning deodorization tower includes a main body having a mist collecting portion and a purge gas outlet, and a gas inlet pipe through which a malodorous gas flows from a gas distribution chamber and an exhaust fan; A first cleaning liquid circulating pump for transferring the first cleaning liquid into the main body; a first cleaning water supply pipe for supplying the first cleaning liquid downward; and a second cleaning liquid supply pipe A fine nozzle nozzle cleaning unit for cleaning the malodorous gas by injecting malodorous gas and a first cleaning liquid level adjusting unit for circulating and transferring the first cleaning liquid to the first cleaning liquid storage tank; A second cleaning liquid circulating pump for transferring the second cleaning liquid into the main body; a second cleaning liquid spraying tube for spraying acid pickling water downward; A second cleaning liquid collecting part for collecting the second cleaning liquid so that the malodor gas washed in the first cleaning part is moved to the second cleaning package bad part while the first cleaning liquid mist is removed, A second stage washing section having a second washing water circulating section for transferring the two washing water to the second washing liquid storage tank; .

In the two-liquid simultaneous cleaning deodorization tower, the lower washing chamber is constituted by a bubble cap tower, thereby eliminating the need for a lower mist removing device. However, the absorption efficiency and the dust collecting efficiency of the one-layer bubble bath tower are too low. Practical poetry baptistery is a dozen bell tower.

The above-mentioned water separator is based on an inertial collision, in which a mist of the washing liquid contained in the gas passes through the water separating contact material and causes an inertia collision, where the collided water droplets coalesce with other water droplets (Volume increase) droplets are recovered downward by gravity, so that the efficiency of the water separator increases as the flow rate of the gas passing through the water separator is appropriate. However, In the washing / deodorizing tower, there is a problem that there is no change in the flow rate of the gas in the primary mist removing device, so that the efficiency of separating the water mist of the mist removing device is lowered. Such deterioration of the mist removing efficiency leads to a problem of mixing washing water, .

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and it is an object of the present invention to improve the height of the washing tower and the increase of the manufacturing cost to be minimized and to construct two water tanks and two water tanks, And a double water tank and a double water tank are provided so as to improve the gas flow rate of the two water separator chambers to effectively trap the water generated by the collision of the inflow gas. And it is an object of the present invention to provide a cleaning tower.

In order to achieve the above-mentioned object, the present invention is characterized in that three perforated plates are provided inside a cleaning tower cylindrical body, two washing chambers are provided at the bottom, a cleaning chamber filled with a cleaning contact material, In a two-layer water tank washing tower composed of a water separating chamber filled with a contact material,

An upper water tank wall plate and an upper water tank bottom plate are formed at the upper center in the lower washing chamber so that a space between the inside of the cleaning tower cylindrical body and the lower water tank wall plate and the lower water tank bottom is constituted as an upper water tank, And the upper part of the upper washing chamber is constituted by a primary water separation chamber constituted by a water level plate and an auxiliary water level plate so as to prevent the upper circulation water from flowing into the lower washing chamber and the primary water separation chamber, The lower washing water is prevented from flowing into the upper washing chamber together with the gas in the washing chamber, and the water separation efficiency of the primary water separation chamber is improved by moderating the flow rate of the gas moving to the primary water separation chamber.

The present invention can improve the height of the cleaning tower and the manufacturing cost by minimizing the increase of the cleaning tower and the construction of two water tanks in the inside without connecting the two cleaning towers horizontally in series by constituting the upper water tank in the lower cleaning chamber It has an effect of processing the complex gas cheaply and efficiently.

Further, according to the present invention, a primary water separation chamber is formed at one side of the upper water tank inside the lower cleaning chamber to improve the water separation efficiency by making the gas flow rate suitable for water separation, so that the lower circulation water of the lower cleaning chamber flows into the upper cleaning chamber And the upper water circulation passage is reliably blocked from flowing into the lower washing chamber and the first water separation chamber by forming the water distribution plate and the auxiliary water distribution plate on the upper portion of the primary water separation chamber, And the lower circulation water can be surely prevented from being mixed. In addition, since the water separating contact material is formed near the manhole, management and replacement are convenient.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is an exemplary diagram showing the construction of a conventional two-
2 is an exemplary diagram showing the overall configuration of the present invention.
Fig. 3 is an exemplary diagram showing a configuration of a main part of the present invention
4 is a perspective view showing the structure of the upper water tank wall panel, the upper water tank bottom plate,

The present invention is characterized in that a gas outlet 1e is formed above a cleaning tower cylindrical body 1a and a lower water tank 3a is disposed below the cleaning tower cylindrical body 1a and a gas inlet 1d ).

A final washing water separating chamber 23, an upper washing chamber 23 and an upper washing chamber 25 are formed in this washing tower cylindrical body 1a in this order from the top, The upper washing chamber 42 and the lower washing chamber 41 are constituted in order from the upper part with the boundary 22 and 21 An upper circulation line 62 such as an upper spray nozzle 62c and an upper cleaning contact member 42a are formed in the upper cleaning chamber 42. Inside the lower cleaning chamber 41, A lower circulation line 61 such as a lower water spray nozzle 61c and a lower cleaning contact member 41a.

The upper water tank wall plate 7a having a waveform separating the left and right spaces perpendicularly across the cylindrical body 1a is formed at the center of the lower water spray nozzle 61c above the lower washing chamber 41, The upper water tank bottom plate 7b which is an arcuate curved surface plate which contacts the inner surface of the cylindrical body 1a from the lower part of the washing tub cylindrical body 1a and which divides the upper and lower spaces, And the space between the upper water tank bottom plates 7b becomes the upper water tank 32a.

The upper water tank wall 7a is formed of a corrugated plate or a reinforced flat plate.

The upper water tank 32a joins the upper water tank wall 7a and the upper water tank lower plate 7b to the conventional two-storey water tank washing tower to minimize the cost and space consumption of the conventional two-storey water tank washing tower, ) Can be constituted.

A semicircular primary water separation chamber perforated plate 24 is formed at a lower portion of one side of the upper water tank wall plate 7a and a water separation contact material 5a is seated on the upper portion of the primary water separation chamber perforated plate, A water plate 8 is formed on one side of the water tank wall 7a so that the space between the inside of the cleaning tower cylindrical body 1a and the primary water separation chamber 24 and the water tank 8 is subjected to the first water separation To be the seal 52.

The primary water separation chamber 52 is constituted by a half of the space inside the lower cleaning chamber 41 and has a sectional area of a passage through which the gas flowing into the primary water separation chamber 52 from the lower cleaning chamber 41 passes So that the shape of the arc-shaped upper tank bottom plate 7b makes it easier for the gas to move to the primary water separation chamber 52. As the flow velocity is increased, the water separation efficiency is increased Thereby reliably preventing the lower circulating water from flowing into the upper washing chamber 42.

The water level plate 8 constitutes a semicircular water leveling plate main body 8a having a radius smaller than the radius of the washing tower cylindrical body 1a and has a semicircular ridge 8b at one upper side of the water leveling plate main body 8a And a semicircular opening 10a is formed by forming a side joint 8c at one side of the semicircular step 8b and joining the end of the side joint 8c to the interior of the cleaning tower cylindrical body 1a.

A bottom surface joint portion 8d is formed between the bottom surface of the water leveling plate main body 8a and the upper water tank wall plate 7a to provide a rectangular opening portion 10b.

Therefore, the gas passing through the primary water separation chamber (52) is configured to be transferred to the upper cleaning chamber (42) through the semicircular opening (10a) and the rectangular opening (10b).

The straight end of the water leveling plate main body 8a is slightly projected in the direction of the upper water level than the upper water leveling wall plate 7a so that the upper circulation water is prevented from flowing into the primary water separation chamber 52 through the rectangular opening 10b .

One side end of the auxiliary water distributing plate 9 is joined to the inner wall of the washing tower cylindrical body 1a and the other end is connected to the semicircular opening 10a So that the upper circulation water in the upper washing chamber 42 is prevented from flowing into the primary water separation chamber 52 through the semicircular opening 10a. The auxiliary auxiliary plate 9 may be part of the upper washing chamber perforated plate 22 in actual production.

The upper protruding water tank 32c is connected to the upper water tank 32a and the upper water spraying tank 32c and the upper spray water nozzle 62c are connected to the upper water tank 32c, And connected to the circulation line 62. The lower water tank 3a and the lower spray nozzle 61c are connected to the lower circulation line 61. [

The upper water circulation line 62 and the lower circulation line 61 are connected to an upper circulation pump 62a and a lower circulation line 62b, And the lower circulation pump 61a.

On the other hand, the upper projecting water tank 32c has a high installation position and is inconvenient to be managed. Therefore, a separate water tank may be formed and connected to the ground.

Hereinafter, the operation and operation of the present invention will be described.

The gas introduced into the washing tower composed of the double water tank and the double water separating chamber according to the present invention through the gas inlet 1d is subjected to the primary washing in the lower washing chamber 41, And then discharged through the gas outlet 1e to the atmosphere after being subjected to the water separation process in the upper washing chamber 42, the final water separation chamber 5, and the gas outlet port 1e.

The lower circulation water of the lower water tank 3a is circulated along the lower circulation line 61 and sprinkled at the lower water spray nozzle 61c and the lower circulation water sprayed contacts the gas at the lower cleaning contact material 41a, The gas is absorbed and then dropped into the lower tank, and the circulation is repeated, and the gas subjected to the first rinsing moves to the first ninth water separation chamber (52).

When the gas is moved upward, the upper tank bottom plate 7b formed in an arc shape facilitates the flow of the gas moving to the primary water separation chamber 52, and the primary water separation The gas flow rate is increased due to the gas 52 and the gas passing through the first ninth water separation chamber 52 is actively subjected to an inertial impact and the collided lower rinse water volume is agglomerated with other water droplets to grow The lower cleaning water droplet having such a larger volume is collected downward by gravity and falls down to the lower water tank 3a to completely block the lower washing water from flowing into the upper cleaning chamber 42.

The gas that has passed through the primary water separation chamber 52 flows into the upper washing chamber 42 through the semicircular opening 10a and the rectangular opening 10b and the upper washing water of the upper water tank 32a flows into the upper circulation line 62 and sprinkled at the upper sprinkling nozzle 62c and the sprinkled upper washing water contacts the gas at the upper cleaning contact member 42a inside the upper washing chamber 42 to catch dust and absorb the harmful gas And then falls to the upper water tank 32a and repeats the circulation.

The upper washing water falling through the upper washing chamber perforated plate 22 in the falling process of the upper washing water is cut off by the auxiliary water receiving plate 9 and is discharged through the semi- And the upper washing water dropped into the water leveling plate main body 8a is prevented from flowing into the primary water leveling wall 8a by the water leveling plate body 8a which is further projected in the direction of the upper water level than the upper water leveling wall plate 7a, So that the mixing of the lower circulating water and the upper circulating water is completely prevented.

The gas having passed through the upper washing chamber 42 is subjected to a water separation process through the final water separation chamber 5 and the final water separation chamber 5 is formed in the shape of the cleaning tower cylindrical body 1a, And the gas passing through the final nether-sorting chamber 5 is actively induced by inertia, so that the water separation efficiency is increased. Thus, the upper washing water recovered through the final nether- The water is dropped into the water tank 32a and the upper washing water is discharged through the gas outlet, thereby preventing air pollution.

1a: cleaning tower cylindrical body
1d: gas inlet
1e: gas outlet
21: Lower washing chamber perforated plate
22: Upper washing chamber perforated plate
23: final nose separation chamber perforated plate
24; Primary nose separation chamber
3a: Lower tank
32a: upper tank
32c: upper protruding water tank
41: Lower cleaning chamber
41a: Lower cleaning contact member
42: upper cleaning chamber
42a: upper cleaning contact member
5: Final nose separation room
5a: Raw water separation contact material
52: Primary nose separation room
61: lower circulation line
62: upper circulation line
7a: Upper water tank wall plate
7b: Upper water tank bottom plate
8: Order plate
8a: Main plate body
8b: semicircular jaw
8c: side connection
8d: bottom joint
9: auxiliary order plate
10a: Semicircular opening
10b: rectangular opening

Claims (1)

(3) of the washing tower cylindrical body, the final nascent water separation chamber (5) filled with the water separation contact material from the upper part, the upper cleaning chamber (42) and the lower cleaning chamber (41) filled with the cleaning contact material A washing tower,
An upper water tank wall 7a is formed at an upper center of the lower washing chamber 41 so as to divide the space between the right and left spaces vertically across the cylindrical body 1a,
An upper water tank bottom plate 7b having an arc shape which contacts the inner surface of the cylindrical body 1a from the lower portion of the upper water tank wall 7a and constitutes an arc-shaped upper water tank bottom plate 7b, And the upper water tank bottom plate 7b becomes the upper water tank 32a,
A semicircular primary water separation chamber perforated plate (24) is formed on the lower side of the upper water tank wall (7a) opposite to the upper water tank so that the upper part of the primary water separation chamber perforated plate becomes the primary water separation chamber,
Characterized in that a water separating contact member (5a) is seated on the upper part of the primary diaphragm separation porous plate and a water receiving plate (8) is formed on the upper part of the primary water separation chamber Washing tower with thread.

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