JP2011062629A - Apparatus for cleaning water - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an apparatus for cleaning water, which has a simple structure and exhibits an excellent function of cleaning water and the filter medium of which is produced easily. <P>SOLUTION: The apparatus 10 for cleaning water is formed by arranging a first cleaning layer 11, which is formed by solidifying a mixture including a soil material, a cement-based solidifying material and an aggregating agent, and a second cleaning layer 12 including chaff charcoal C in a box-shaped casing 13 through which dirty water DW to be treated can pass. The second cleaning layer 12 is arranged on the bottom 13b side of the casing 13 and the first cleaning layer 11 is layered/arranged on the second cleaning layer 12. A water feed pipe 14 for supplying the dirty water DW into the casing 13 is extended to an opening 13a in the upper part of the casing 13 and a water discharge pipe 15 for discharging clear water CW cleaned in the casing 13 is arranged in the vicinity of the bottom 13b on the outer periphery of the casing 13. A water storage tank 16 for storing the clear water CW temporarily is arranged below the water discharge pipe 15. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a water purifier capable of obtaining purified water by purifying polluted water generated at a construction site, domestic wastewater or reservoir water, river water, rainwater, and the like.

  As conventional purification apparatuses related to the present invention, for example, there are those described in Patent Documents 1 and 2. The purification device described in Patent Document 1 includes a water purification material having a aggregate structure that is granulated from purified groundwater sludge and then heated and fired at 400 ° C to 1000 ° C. In the purification apparatus described in Patent Document 2, processing is performed by pressing a rice husk, wood or pulp paper tube in a heated state and then pulverizing a solid obtained by firing at a temperature of about 600 ° C. or higher in a non-oxygen atmosphere. Activated carbon powder is used as a filter medium.

Japanese Patent Laying-Open No. 2005-230684 JP 2004-8869 A

  Although the purification apparatuses described in Patent Documents 1 and 2 each exhibit an excellent purification action, the manufacture of filter media constituting these purification apparatuses requires large-scale equipment and a great deal of labor. . That is, the water purification material having the aggregate structure described in Patent Document 1 requires a granulation facility and a heating and firing facility for purified water sludge, and the processed activated carbon described in Patent Document 2 is a heating and pressurizing facility such as rice husk or wood, which Oxygen atmosphere firing equipment and grinding equipment are required.

  Therefore, the water purification material described in Patent Document 1 and the processed activated carbon described in Patent Document 2 are expensive and difficult to introduce in wastewater treatment facilities that consume a large amount of filter material. In addition, the purification devices described in Patent Documents 1 and 2 cannot be easily manufactured because advanced technology and equipment are required to manufacture the devices themselves.

  The problem to be solved by the present invention is to provide a water purifier having a simple structure, exhibiting an excellent water purifying action, and easy to produce a filter medium.

  The water purification apparatus of the present invention includes a first purification layer formed by solidifying a mixture containing a soil material, a cement-based solidifying material, and an aggregating agent in a casing through which liquid can pass, and a second purification containing rice husk charcoal. And a layer.

  With such a configuration, in the mixture containing the soil material, the cement-based solidifying material and the aggregate agent, the particles of the soil material and the cement-based solidified material particles are caused by the action of ions contained in the aggregate agent. Forms a three-dimensional aggregate structure, and continuous fine voids are generated. Therefore, the first purification layer formed by solidifying these mixtures has an excellent filtration function. The rice husk charcoal contained in the second purification layer has an action of adsorbing fine particles. Accordingly, the first purification layer and the second purification layer exhibit an excellent water purification effect.

  Moreover, since the water purifier of this invention can be formed only by arrange | positioning a 1st purification layer and a 2nd purification layer in a casing, a structure is very simple. Further, the first purification layer can be formed by solidifying a mixture containing a soil material, a cement-based solidifying material, and an aggregating agent, and the second purification layer only needs to contain rice husk charcoal. The production of the material is also easy.

  Here, as the aggregating agent, it is desirable to use a polymer compound containing a complex of a magnesium salt of acrylic acid / dimethylaminoethyl methacrylate copolymer and polyethyleneimine. With such a configuration, a relatively strong aggregate structure can be formed in the first purification layer, so that a stable filtration function can be obtained over a long period of time.

  On the other hand, the first purification layer and the second purification layer can be stacked in the vertical direction. With such a configuration, the polluted water can be passed through the first purification layer and the second purification layer by using natural fall without using a pump.

  Moreover, what was filled in the water-permeable bag body can also be used as said rice husk charcoal which comprises said 2nd purification layer. If it is set as such a structure, since the arrangement | positioning operation and replacement | exchange operation | work in the casing of the rice husk charcoal which comprises a 2nd purification layer can be performed per water-permeable bag body, handling property and workability | operativity will improve.

  According to the present invention, it is possible to provide a water purifier having a simple structure, exhibiting an excellent water purifying effect, and easy to manufacture a filter medium.

It is a vertical sectional view showing the water purifier which is an embodiment of the present invention. It is a figure which shows the formation process of the 1st purification layer which comprises the purification apparatus shown in FIG. It is a perspective view which shows other embodiment regarding a 1st purification layer. It is a perspective view which shows other embodiment regarding a 2nd purification layer.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. As shown in FIG. 1, the water purifier 10 according to this embodiment includes a soil material 21 and a cement-based solidifying material as shown in FIG. 2 in a box-shaped casing 13 through which the polluted water DW to be treated can pass. 22 and the first purification layer 11 formed by solidifying the mixture 20 containing the aggregating agent 23 and the second purification layer 12 containing rice husk charcoal C are arranged. The second purification layer 12 is disposed on the bottom 13 b side of the casing 13, and the first purification layer 11 is laminated on the second purification layer 12. A water supply pipe 14 for feeding the polluted water DW generated in another place into the casing 13 is piped to the opening 13a above the casing 13 and purified by passing through the first purification layer 11 and the second purification layer 12. A drain pipe 15 for discharging the clarified water CW is provided in the vicinity of the bottom 13b on the outer periphery of the casing 13. A water storage tank 16 for temporarily storing the clear water CW is disposed below the drain pipe 15.

  As shown in FIG. 2, in the mixture 20 including the earth material 21, the cement-based solidifying material 22, and the aggregate agent 23, the particles of the earth material 21 and the cement system are caused by the action of ions contained in the aggregate agent 23. The particles of the solidifying material 22 form a three-dimensional aggregate structure, and continuous fine voids are generated. Therefore, the first purification layer 11 (see FIG. 1) formed by solidifying the mixture 20 has an excellent filtration function, and the rice husk charcoal C contained in the second purification layer 12 adsorbs fine particles and the like. Has the effect of Therefore, due to the synergistic effect of the first purification layer 11 and the second purification layer 12, the water purification device 10 exhibits an excellent water purification effect.

  That is, as shown in FIG. 1, the polluted water DW introduced from the water pipe 14 toward the upper surface of the first purification layer 11 in the casing 13 passes through the first purification layer 11 and the second purification layer 12 arranged in a stacked manner. By passing in this order, the pollutant components are captured by the first purification layer 11 and the second purification layer 12, and finally discharged as the clarified water CW from the drain pipe 15 located at the bottom of the casing 13. And stored in the water storage tank 16.

  Moreover, since the water purification apparatus 10 can be formed only by laminating | stacking the 1st purification layer 11 and the 2nd purification layer 12 in the casing 13, the structure is very simple. Further, the second purification layer can be formed by filling the bottom portion 13 in the casing 13 with a material containing rice husk charcoal C. The first purification layer 11 includes the earth material 21 and the cement-based solidification material 22. And the mixture 20 containing the aggregating agent 23 can be formed by placing the mixture 20 on the second purification layer 12 filled in the casing 13 and solidifying it, so that the filter medium can be manufactured very easily. .

  In the water purifier 10 of the present embodiment, a polymer compound containing a complex of a magnesium salt of acrylic acid / dimethylaminoethyl methacrylate copolymer and polyethyleneimine is used as the aggregating agent 23 shown in FIG. Yes. Thereby, since the comparatively strong aggregate structure can be formed in the 1st purification layer 11, the stable filtration function can be obtained over a long period of time.

  Moreover, in the water purification apparatus 10, since the 1st purification layer 11 and the 2nd purification layer 12 are laminated | stacked and arrange | positioned in the up-down direction in the casing 13, using a natural fall, without using a pump, polluted water DW can be passed through the first purification layer 11 and the second purification layer 12.

  Next, based on FIG. 3, FIG. 4, other embodiment regarding a 1st purification layer and a 2nd purification layer is demonstrated. The first purification layer 11 shown in FIG. 1 is formed by placing and solidifying the mixture 20 shown in FIG. 2 on the second purification layer 12, but the mixture 20 shown in FIG. A first purification layer 31 having a fixed shape as shown in FIG. 3 can be formed by filling and solidifying (not shown), and the first purification layer 31 can be arranged in the casing 13. . With such a configuration, it is easy to arrange and replace the first purification layer 31 in the casing 13.

  On the other hand, the second purification layer 12 shown in FIG. 1 is formed by directly filling rice husk charcoal C on the bottom 13b in the casing 13, but as shown in FIG. What filled rice husk charcoal C in the water-permeable bag 33 can also be arranged in the casing 13. With such a configuration, the placement work and replacement work of the rice husk charcoal C constituting the second purification layer 32 in the casing 13 can be performed in units of the permeable bag 33, so that handling and workability are possible. Will improve.

  The water purifier of the present invention is widely used as a means for purifying various polluted waters generated in various industrial activities or daily life, in the fields of wastewater treatment, construction, industrial, commercial and agricultural fields. be able to.

DESCRIPTION OF SYMBOLS 10 Water purifier 11,31 1st purification layer 12,32 2nd purification layer 13 Casing 13a Opening part 13b Bottom part 14 Water supply pipe 15 Drain pipe 16 Water storage tank 20 Mixture 21 Earth material 22 Cement-type solidification material 23 Aggregating agent C Rice husk Charcoal CW clear water DW polluted water

Claims (4)

  A first purification layer formed by solidifying a mixture containing a soil material, a cement-based solidifying material and a coalescent agent and a second purification layer containing rice husk charcoal are disposed in a casing through which liquid can pass. Water purification device characterized by   The water purifier according to claim 1, wherein a polymer compound containing a complex of a magnesium salt of acrylic acid / dimethylaminoethyl methacrylate copolymer and polyethyleneimine is used as the aggregating agent.   The water purifier according to claim 1 or 2, wherein the first purification layer and the second purification layer are stacked in a vertical direction.   The water purifier according to any one of claims 1 to 3, wherein the rice husk charcoal constituting the second purification layer is filled in a water-permeable bag.

Images