KR19990017664U - A device for throwing active carbon into water of a filtration plant - Google Patents

Abstract

The present invention relates to an activated carbon input device of a water purification plant, and a storage hopper 10 for storing activated carbon for removing slaked lime and odor components for sedimentation of suspended solids contained in purified water in a water purification plant, and the storage hopper 10 It comprises a supply means 20 is installed in the lower portion, and a stirring tank 30 for mixing the activated carbon and slaked lime and water supplied by the supply means 20, the storage hopper 10 at the top A chute (11) for loading activated carbon transport bags and a chute (12) and a slaked inlet (13) provided with a screen for preventing foreign matters are formed therein, and a geared motor (14) for smooth dropping of activated carbon introduced therein. The stirrer 15 driven by the hopper 15 is installed, and the supply means 20 installed under the storage hopper 10 includes a pulverizer 22 for crushing activated carbon supplied from the storage hopper 10 and the pulverizer 22. Installed on the bottom of activated carbon Consists of a transfer screw 24 for supplying to the stirring tank 30, the mixing tank 30 is provided with a mixer 34 for mixing water and activated carbon.

Description

A device for throwing active carbon into water of a filtration plant}

The present invention relates to an activated carbon input device of a water purification plant, and to enable the quantitative input of calcined lime and activated carbon for removing suspended solids and odor components by the user's set value.

In general, in a water purification plant, activated carbon must be added to remove odors contained in the water taken to produce tap water, and calcined lime is added to precipitate and remove suspended matter in water. By adding and lime, not only the fine dust was dispersed in the air, but also the working environment was poor, and there was a problem that it was difficult to constantly input an appropriate amount.

In addition, when the wet activated carbon is added to prevent the generation of dust, there is a problem that not only the workability is deteriorated, but also the activated carbon hardens during storage and cannot be used.

The present invention was devised in view of the above-mentioned problems in the related art, and an object of the present invention is to select an appropriate amount of slaked lime and activated carbon to remove suspended solids and odor components in a water purification plant, if necessary, in a constant amount. It is automatically added and mixed with water to provide a device that can effectively remove suspended solids and odor components in the water, and another object of the present invention is to make the working environment pleasant by preventing dust from occurring when slaked lime and activated carbon are added. To make it possible.

In order to achieve the above object, the present invention provides a storage hopper for storing activated carbon for removing slaked lime and malodorous components for sedimentation of suspended solids contained in purified water in a water purification plant, and a supply means installed under the storage hopper. And a stirring tank for mixing activated carbon and slaked lime and water supplied by the supply means, wherein the storage hopper is equipped with a loading stand for placing an activated carbon transport bag on top and a screen for preventing entry of foreign substances. And a hydrated lime inlet is formed therein, and an agitator driven by a geared motor is installed therein for smooth dropping of the feedstock, and a supply unit installed under the storage hopper is a crusher for crushing activated carbon supplied from the storage hopper. A feed screw installed in the lower part of the grinder and supplying activated carbon to the stirring tank, Comprising a drive motor for driving a transfer screw, the stirring tank provides an activated carbon and calcined lime input device of a water purification plant equipped with a mixer for mixing water and activated carbon.

In the present invention, the adjustment of the input amount of activated carbon and slaked lime is achieved by controlling the speed of the geared motor for driving the stirrer and the drive motor for driving the mill and the feed screw of the supply means.

1 is a schematic side cross-sectional view of an activated carbon input device according to an embodiment of the present invention,

Figure 2 is a schematic front sectional view of the activated carbon input apparatus according to an embodiment of the present invention,

3 is an enlarged cross-sectional view of the supply means shown in FIG.

4 is a perspective view of the outlet and the forced discharge plate of the lower portion of the storage hopper shown in FIG.

Figure 5 is a side cross-sectional view of the activated carbon input device showing another embodiment of the present invention,

6 is a perspective view of the scraper unit plate of the stirrer shown in FIG.

7 is a perspective view of the outlet and the forced discharge plate of the lower portion of the storage hopper shown in FIG.

* Explanation of symbols for main parts of the drawings

10: storage hopper 11: loading deck

12: chute 13: slaked lime inlet

14 geared motor 15 agitator

16: outlet 17: forced discharge plate

20: supply means 22: grinder

24: transfer screw 25: transfer cylinder

26: drive motor 27: outlet

30: stirring tank

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings, preferred embodiments of the present invention.

1 is a schematic side cross-sectional view of an activated carbon input device according to an embodiment of the present invention, Figure 2 is a schematic front sectional view of an activated carbon input device according to an embodiment of the present invention, the present invention stores the lime or activated carbon A storage hopper 10, a supply means 20 installed under the storage hopper 10, and a stirring tank 30 for mixing activated carbon, slaked lime, and water supplied by the supply means 20. It has a feature, including.

The storage hopper 10 is a chute (12) equipped with a loading stand 11 and a screen for preventing the input of solids or various foreign matter on the upper portion of the activated carbon transport bag (B) transported by the overhead crane (C) And the slaked lime inlet 13 is formed, the inside is provided with a stirrer 15 driven by the geared motor 14 for smooth dropping of the feedstock.

The lower portion of the chute 12 is provided with a sliding gate (12a) for preventing the inflow of foreign matters after the activated carbon.

The stirrer 15 has a plurality of stirring rods 15b spirally arranged along the longitudinal direction on the outer side of the rotating shaft 15a, the upper end of which is coupled to the geared motor 14.

At the bottom of the storage hopper 10 is formed an outlet 16 as shown in Figures 3 and 4, the outlet 16 is axially coupled to the lower end of the rotary shaft 15a of the stirrer 15 to rotate The propeller-type forced discharge plate 17 is disposed to forcibly discharge the calcined lime and activated carbon in the storage hopper 10 to the supply means.

In the drawing, reference numeral 16a denotes a slide-type gate disposed under the discharge port 16, and N1 and N2 denote nozzle tubes installed inside the lower end of the storage hopper 10, which include the storage hopper 10 and the supply means 20. If there is a need to clean the inside, the pipe is connected so that the washing water is sprayed.

The supply means 20 is a crusher 22 for crushing activated carbon or hydrated lime supplied from the storage hopper 10, as shown in detail in FIG. It comprises a transfer screw 24 for supplying to the tank 30 and a drive motor 26 for driving the grinder 22 and the transfer screw 24.

The grinder 22 is supported such that both ends of the shaft 22a are rotatable in a horizontal state by the bearing 22b, and a power transmission means 23 such as a belt or a chain is connected to one side of the shaft 22a. It is rotated by the drive motor 26, and the shaft 22a is attached with a grinding blade 22c so as to finely grind the activated carbon or the slaked lime mass at a predetermined interval.

The feed screw 24 installed under the grinder 22 is also driven together with the grinder 22 by a drive motor 26. The feed screw 24 has a bearing 25a inside the feed cylinder 25. Activated carbon or hydrated lime that is rotatably supported by the grinder 22 and is pulverized by the transfer screw 24 and is discharged to the discharge port 27 by the discharge plate 24a at the tip of the transfer screw 24 and stirred. It is supplied to the tank 30.

The conveying screw 24 is conveyed by designing, for example, 50 mm, 51 mm, 52 mm, 53 mm ... so that the pitch P gradually increases from the rear to the front in the drawing. To prevent the compaction of activated carbon or slaked lime.

In addition, a heater H, such as a sheath heater, is built in the shaft of the transfer screw 24 to heat the transfer screw, thereby preventing the wet activated carbon and the slaked lime from solidifying.

As shown in FIG. 2, the transparent inspection window 29 is installed at the side of the supply means 20 so that the operating state and the failure of the supply means 20 can be visually checked from the outside. The inspection window 25b is provided also in the upper part of 25.

Since the rotational speed of the geared motor 14 and the driving motor 26 determines the amount of activated carbon and slaked lime, the amount of activated carbon and slaked lime can be adjusted by adjusting the rotational speed as necessary. The speed control of this motor can be adjusted by methods known in the art.

In FIG. 3, reference numeral 28 denotes a belt cover for preventing external exposure of the power transmission means such as a belt or a chain.

Activated carbon and calcined lime supplied by the supply means 20 are dropped into the stirring tank 30 and mixed with water, in which the mixing tank 34 driven by the motor 32 is installed. Activated carbon and slaked lime are effectively mixed with water, so that deodorization and sedimentation of suspended solids are activated.

The water inlet 35 is connected to the lower side of the stirring tank 30, and the discharge port 36 is formed at the upper front thereof to discharge the treated water.

5 to 7 show another embodiment of the present invention. The feeding device of this embodiment is generally similar to that of the first embodiment, but the shape of the agitator 15 installed inside the storage hopper 10 is different. In the stirrer 15 according to the embodiment, a spiral disk-shaped scraper 15c having a hole 15d drilled radially is fixed to the outer side of the rotating shaft 15a instead of the stirring rod 15b, and stored by rotating the rotating shaft 15a. Activated carbon or slaked lime stuck to the inner wall surface of the hopper 10 is to be scraped off effectively.

FIG. 6 shows a unit plate for manufacturing the scraper 15c, and a plurality of unit plates are bent in a state in which a hole 15d is drilled on the original plate, and one side is cut to an intermediate portion to give an angle shifted up and down. It is to make a spiral by continuous welding.

In addition, in this embodiment, as shown in FIG. 7, the shape of the forced discharge plate 17 which is axially coupled to the lower end of the rotating shaft 15a of the stirrer 15 is also different from that of the first embodiment.

Activated charcoal input device of the present invention configured as described above always operates a stirrer 15 and the supply means 20 in a state in which wet activated carbon or slaked lime containing 50% of moisture is stored in the storage hopper 10, By dropping activated carbon in the stirring tank 30, the supply amount thereof can be controlled according to the water quality, so that odor removal and floating matter removal in the water can be performed economically and efficiently, and the grinder 22 is installed in the supply means 20. Since the pulverized or solidified activated carbon or hydrated lime is finely pulverized and conveyed, there is no problem in the supply thereof, and since the heater H is built in the transfer screw 24, the activated carbon or hydrated lime is prevented from hardening at all times. Will be able to supply.

As described above, the activated carbon injector according to the present invention is a geared motor for driving the stirrer in the storage hopper and the pulverizer and the feed screw to input the amount of calcined lime and activated carbon to remove suspended solids and odor components in the water purification plant. By controlling the speed of the driving motor to be driven, it is possible to select a proper amount and automatically input it as needed, so that it can effectively remove suspended matters and odors in the water, and it automatically inputs wet hydrated lime and activated carbon, thereby removing dust. There is no practical effect that can make the working environment of water purification plant comfortable.

Claims (11)

Apparatus for injecting activated carbon to remove hydrated lime and odor from sediment contained in purified water in a water purification plant. Chute 12 and slaked inlet with a loading stand 11 for loading activated carbon transport bag B transported by a overhead crane C as a means for storing slaked lime or activated carbon and a screen for preventing foreign substances A storage hopper 10 formed with an stirrer 15 driven by a geared motor 14 therein; A crusher 22 for crushing activated carbon or hydrated lime supplied from the storage hopper 10 and a transfer screw 24 installed under the crusher 22 to supply activated carbon or hydrated lime to the stirring tank 30 are installed. Supply means 20; Activated carbon supplied to the purified water plant, characterized in that it comprises a stirring tank (30) for mixing the activated carbon and slaked lime and water supplied by the supply means (20). The activated carbon injector of claim 1, wherein a sliding gate (12a) is installed at the bottom of the chute (12) to prevent the inflow of foreign matters after the activated carbon is introduced. According to claim 2, wherein the stirrer (15) is characterized in that a plurality of stirring rods (15b) is arranged in a spiral along the longitudinal direction on the outside of the rotating shaft (15a) is axially coupled to the geared motor (14) Activated carbon input device of water purification plant. According to claim 1, wherein the discharge hopper 10 is formed at the lower end of the storage hopper 10, the forced discharge plate axially coupled to the lower end of the rotary shaft (15a) of the stirrer (15) 17) is an activated carbon input device of water purification plant, characterized in that the arrangement. According to claim 1, Activated charcoal input device of a water purification plant, characterized in that the nozzle pipe (N1) (N2) is installed on the storage hopper 10, the lower inner side is sprayed with washing water. The activated carbon injector of claim 1, wherein the grinder (22) and the transfer screw (24) are driven by one drive motor (26). The activated carbon injector according to claim 1, wherein the grinder (22) has a grinding blade (22c) attached to its shaft (22a) so as to finely grind the activated carbon or slaked lime mass at a predetermined interval. The activated carbon input device of claim 1, wherein the transfer screw (24) gradually increases its pitch (P) from the rear toward the front where the discharge port is formed. The activated carbon injector of claim 1, wherein a heater (H) is built in the shaft of the feed screw (24). According to claim 1, Activated carbon input device of water purification plant, characterized in that the inspection window 29 is installed on the side of the supply means (20). 2. The activated carbon injector according to claim 1, wherein the stirrer (15) has a structure in which a spiral disk-shaped scraper (15c) in which a hole (15d) is drilled radially is fixed on a rotating shaft (15a).