JP2007177479A - Water service installation - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a water service installation which can effectively use wastewater discharged from a flush toilet etc. without adversely affecting the environment. <P>SOLUTION: The water service installation is formed of decontamination tanks 1, 2 having a plurality of decontamination chambers 6 to 8, 13 to 15, respectively, for decontaminating wastewater etc. discharged from a toilet in stages, a decontaminated water storage tank 3 for storing therein decontaminated water by the decontamination tanks 1, 2, and a force-feeding means 5 for supplying pressurized gas into the decontaminated water storage tank 3 and force-feeding the decontaminated water squeezed out of the decontaminated water storage tank 3 into fed water accommodating sections including a feed water tank 31 of the flush toilet 9, a fire hydrant 35, etc. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a water supply apparatus that effectively uses purified water obtained by purifying sewage discharged from a toilet in stages.

Conventionally, as shown in, for example, Patent Document 1, the inside of an outer shell made of FRP is partitioned by a partition to form a plurality of spaces, and a precipitation tank is provided in the lower room for collecting sewage discharged from these facilities. Further, a combined treatment septic tank for biologically treating the sewage is installed adjacent to the upper room and the lower room to treat the sewage, and the FRP outer shell includes various sewage treatment facilities. 2. Description of the Related Art A temporary house with a portable merger processing septic tank equipped with a private power generation facility that supplies power to a load power source is known.
JP 2003-64894 A

  In the temporary house with a combined treatment septic tank disclosed in the above-mentioned Patent Document 1, it is configured to use nearby water facilities, spring water, rainwater, etc. for the flush toilet installed in the upper room. When water supply from the water supply facility is interrupted at the time of occurrence of a disaster consisting of, there is a problem that it becomes impossible to use the flush toilet. In addition, because the treated water purified by the merged treatment septic tank is discharged into rivers, environmental pollution occurs if the combined treatment septic tank capacity is insufficient, and the treatment capacity is set to a high level. Even in such a case, there is a problem that the river or the like may be eutrophied by the discharged water.

  The present invention has been made in view of the above points, and an object thereof is to provide a water supply apparatus that can effectively use sewage discharged from a flush toilet or the like without adversely affecting the environment. Yes.

  The invention according to claim 1 is a purification tank having a plurality of purification treatment chambers for purifying sewage discharged from a toilet in stages, and purified water storage for storing purified water purified by the purification treatment tank. A tank and a pressure feeding means for supplying pressurized gas into the purified water storage tank and pumping purified water pushed out from the purified water storage tank to the supplied water portion.

  According to a second aspect of the present invention, in the water supply apparatus according to the first aspect, the pressure-feeding means may include a pressure accumulation tank that stores pressurized gas, and a pressurized gas stored in the pressure accumulation tank as necessary. A supply pipe for supplying to the purified water storage tank is provided.

  The invention according to claim 3 is the water supply apparatus according to claim 1 or 2, wherein the drinking water storage tank stores drinking water, and the drinking water storage tank is configured to supply pressurized gas into the drinking water storage tank. And a pumping means for pumping the purified water pushed out from the inside to the water supply portion.

  According to a fourth aspect of the present invention, in the water supply apparatus according to any one of the first to third aspects, a supply tank for purified water for supplying purified water to the supplied water part is provided at a higher position than the supplied water part. The purified water pushed out from the purified water storage tank is supplied to the purified water supply tank by supplying pressurized gas into the purified water storage tank via the pressure feeding means when a disaster occurs. is there.

  According to the first aspect of the present invention, when a disaster such as an earthquake occurs, the purified water in the purified water storage tank is supplied by supplying pressurized gas from the pumping means into the purified water storage tank. Can be supplied to a water supply portion including a water supply tank and a fire hydrant of a flush toilet, so that it is possible to effectively use the wash water stored in the purified water storage tank.

  According to the second aspect of the present invention, when a disaster such as an earthquake occurs, the pressurized gas stored in the pressure accumulation tank is supplied to the purified water storage tank, so that There is an advantage that the purified water can be pumped easily and quickly to the water supply portion.

  According to the third aspect of the present invention, the purified water in the drinking water storage tank is supplied by supplying pressurized gas from the pumping means into the drinking water storage tank when a disaster such as an earthquake occurs. Can be supplied to the supplied water portion, and there is an advantage that the drinking water can be secured using the drinking water storage tank until the lifeline is recovered.

  According to the fourth aspect of the present invention, when a disaster such as an earthquake occurs, the purified water pushed out from the purified water storage tank by supplying pressurized gas from the pumping means into the purified water storage tank. Is pumped and stored in the supply tank without adopting a complicated configuration such as maintaining the water supply line in an airtight state. There is an advantage that water can be used effectively over a long period of time.

  FIG. 1 shows an embodiment of a water supply apparatus according to the present invention. This water supply device includes a plurality of purification treatment chambers 6 formed of steel plate material, aluminum alloy material, stainless steel material, plastic material, PC (prestressed concrete) material, reinforced concrete material, FRP (fiber reinforced plastic) material, plastic material, or the like. 1 to 8, a plurality of purification treatment chambers 13 to 15 for purifying treated water derived from the first purification treatment tank 1, and a purified water storage chamber 16 for storing purified water. The second purification treatment tank 2, the purified water storage tank 3 for storing purified water derived from the second purification treatment tank 2, the drinking water storage tank 4 for storing drinking water such as tap water, and the purified water A pumping means 5 is provided for pumping purified water in the storage tank 3 and drinking water in the drinking water storage tank 4 to the water supply section as necessary.

  The first purification treatment tank 1 includes an uppermost purification treatment chamber 6 comprising a precipitation separation chamber located at the most upstream part, a second purification treatment chamber 7 comprising a contact aeration treatment chamber located downstream thereof, A third purification treatment chamber 8 composed of a sedimentation chamber located on the downstream side, and the waste water or the like led out from the toilet 10 of the flush toilet 9 installed in a house or public toilet etc. through the discharge pipe 11 It is introduced into the upstream purification treatment chamber 6.

  The second purification treatment tank 2 includes a fourth purification treatment chamber 13 including a first contact filtration chamber into which treated water led out from the first purification treatment tank 1 through the connecting pipe 12 is introduced, The most downstream purification treatment comprising a fifth purification treatment chamber 14 comprising a second contact filtration chamber located downstream of the fourth purification treatment chamber 13 and a precipitation filtration chamber located downstream of the fifth purification treatment chamber 14. It has the chamber 15 and the purified water storage chamber 16 which stores the treated water derived | led-out from this most downstream purification processing chamber 15 by decoloring.

  The most upstream purification treatment chamber (precipitation separation chamber) 6 of the first purification treatment tank 1 precipitates and separates sludge components such as paper and coarse foreign matters in the introduced wastewater, and then supplies the treated water after separation. The second purification treatment chamber 7 is overflowed and led out, and the baffle plate 17 prevents the floating matter from flowing into the second purification treatment chamber 7. The solid content precipitated in the most upstream purification processing chamber 6 is sucked out and processed periodically (for example, every year).

  The second purification treatment chamber 8 (contact aeration chamber) is provided with a conventionally known plastic contact material and filtration membrane material (not shown), and the air supplied from the blower 18 is supplied with the plastic contact material. An air diffuser 19 that discharges below is connected. Then, the treated water introduced into the second purification treatment chamber 8 by overflowing from the upper part of the uppermost purification treatment chamber 7 is agitated by the air discharged from the air diffuser pipe 19, and is applied to the plastic contact material. The sludge components in the separated water are decomposed by the microorganisms that have adhered and inhabited, and are filtered by a filter membrane material.

  The treated water purified in the second purification treatment chamber 7 is precipitated by being introduced into the third purification treatment chamber 8 (precipitation chamber) via the communication path. The treated water precipitated in the third purification treatment chamber 8 overflows into the second purification treatment tank 2 through the connecting pipe 12, whereby the fourth purification treatment chamber 13 and the fifth purification treatment are performed. The chamber 14 is sequentially introduced. In the fourth and fifth purification treatment chambers (contact filtration chambers) 13 and 14, oysters, scallops, seashells, pearl oysters, clams, clams, clams, clams, goats, crows, and turban shells are formed in mesh bags. , Shells made of mill shells or fossil shells, or shell / smoked contact materials (not shown) containing dead and whitened cocoons, and air supplied from the blower 18 below Is connected to the diffuser tube 20.

  The treated water introduced into the fourth and fifth purification treatment chambers 13 and 14 is agitated by the air released from the air diffuser 20 and inhabited while adhering to the shell / smoked contact material. The sludge component in the treated water is decomposed by microorganisms. Further, the treated water purified in the fifth purification treatment chamber 14 is led out to the most downstream purification treatment chamber 15 from its lower end. The most downstream purification treatment chamber (precipitation filtration chamber) 15 has a filter body (not shown) containing a porous zeolite, and impurities in the treated water led out from the fifth purification treatment chamber 14. Is separated into waste water and supernatant water, and fine impurities in the supernatant water are filtered by the filter body to generate purified water.

  The purified water generated in the most downstream purification processing chamber 15 overflows into the purified water storage chamber 16 and is led out. As shown in FIG. 2, the purified water storage chamber 16 has an adsorption cylinder 23 in which partition plates 21 and 22 each having a plurality of through holes are vertically installed, and a partition plate 21 in the adsorption cylinder 23, Activated carbon container 24 disposed between 22 and circulation means 27 having a circulation pump 25 and a circulation pipe 26 for sucking the treated water in the purified water storage chamber 16 and discharging it to the lower part of the activated carbon container 24. Is provided. The activated carbon container 24 is configured by filling a coal-based activated carbon into a bag made of a cloth material or the like. The treated water discharged to the lower part of the activated carbon container 24 by the circulation means 27 circulates in the purified water storage chamber 16 through the adsorption cylinder 23, and at that time, in the activated carbon container 24. The pigment component is adsorbed by the coal-based activated carbon and effectively decolorized.

  As shown in FIG. 1, a part of the purified water decolorized in the purified water storage chamber 16 is supplied to a water supply tank 31 of the flush toilet 9 by a water supply means 30 having a water supply pump 28 and a water supply pipe 29. At the same time, the remainder is led out and stored in the purified water storage tank 3 via the outlet pipe 32. The outlet pipe 32 prevents the purified water in the purified water storage tank 3 from flowing back to the second purification treatment tank 2 and maintains the purified water storage tank 3 in an airtight state when supplying a pressurized gas described later. A check valve 32a is provided.

  Further, the capacity of the purified water storage tank 3 is such that the sewage is purified by the sewage purification treatment apparatus before the sewage purification apparatus comprising the first purification treatment tank 1 and the second purification treatment tank 2 is periodically inspected. The capacity of the purified water generated thereby is set so as to prevent the purified water storage tank 3 from overflowing. That is, the sewage or the like introduced into the uppermost stream purification treatment chamber 6 of the first purification treatment tank 1 from the toilet 10 of the flush toilet 9 via the discharge pipe 11 is purified by the sewage purification device and then supplied with water. The treated water that is circulated and used by being supplied to the water supply tank 31 of the flush toilet 9 through 30, the replenishment water that is appropriately replenished from the water supply into the water supply tank 31, and the toilet 10 of the flush toilet The amount of treated water is sequentially increased by an amount corresponding to the treated water resulting from the manure and the like and the replenishing water, and the purified water corresponding to the increased treated water amount is the purified water storage tank 3. Will be stored inside. Therefore, for example, when a periodic inspection is performed every year, the capacity is set so that the purified water increased during this period can be stored in the purified water storage tank 3.

  The pressure feeding means 5 includes a pressure accumulation tank 33 that stores pressurized gas compressed by compressing air or nitrogen gas, and the pressurized gas in the pressure accumulation tank 33 to the purified water storage tank 3 as necessary. A first supply pipe 34 to be supplied and a first pressure feed pipe 37 for pumping the purified water in the pressure accumulating tank 33 to a water supply portion including the water supply tank 31 and the fire hydrant 35 of the flush toilet 9 are provided. The pressure feeding means 5 includes a second supply pipe 38 that supplies pressurized gas in the pressure accumulating tank 33 to the potable water storage tank 4 as necessary, and tap water for drinking water in the pressure accumulating tank 33. And a second pumping pipe 40 for pumping to the water supply portion 39.

  When a disaster such as an earthquake occurs, the open / close valve 41 provided in the first supply pipe 34 is opened, and then the purified water storage tank 3 is connected from the pressure accumulation tank 33 through the first supply pipe 34. The pressurized gas is supplied to the inside, and the purified water pushed out of the purified water storage tank 3 in accordance with the pressure is pumped to the water supply tank 31 and the fire hydrant 35 through the first pressure feed pipe 37. Further, when the open / close valve 42 provided in the second supply pipe 38 is opened, pressurized gas is supplied from the pressure accumulation tank 33 through the second supply pipe 38 into the drinking water storage tank 4, and its pressure Accordingly, the drinking water pushed out of the drinking water storage tank 4 is pumped to the tap 39 of the water supply via the second pumping pipe 40.

  In the above-described configuration, the sewage introduced into the most upstream purification treatment chamber (precipitation separation chamber) 6 of the first purification treatment tank 1 from the toilet 10 of the flush toilet 9 via the discharge pipe 11 is the most upstream purification treatment chamber. 6, after sludge components such as paper and coarse foreign matter are precipitated and separated, they are introduced into the second purification treatment chamber (contact aeration chamber) 7. The treated water introduced into the second purification treatment chamber 7 has its sludge components decomposed by microorganisms and introduced into the third purification treatment chamber (precipitation chamber) 8 for precipitation treatment, and then 2 is introduced and stored in the purified water storage chamber 16 via the fourth and fifth flow purification treatment chambers (contact filtration chambers) 13 and 14 and the most downstream purification treatment chamber (precipitation filtration chamber) 15 of the purification tank 2; Further, it is led out and stored in the purified water storage tank 3.

  When a disaster such as an earthquake occurs, the open / close valve 41 of the first supply pipe 34 is opened and the pressurized gas is supplied from the pressure accumulating tank 33 into the purified water storage tank 3 to obtain purified water. The purified water in the storage tank 3 can be pressure-fed to a water supply unit composed of the water supply tank 31 and the fire hydrant 35. For this reason, even when the lifeline supplying tap water or electric power is shut off due to the occurrence of the disaster, the fire hydrant 35 is used to extinguish a fire and water is supplied into the water supply tank 34. Thus, by allowing the flush toilet to be used continuously, it is possible to effectively use the wash water stored in the purified water storage tank 3.

  Moreover, in the above embodiment, a part of the purified water stored in the purified water storage chamber 16 of the second purification treatment tank 2 is supplied to the water supply tank 31 of the flush toilet by the water supply means 30 at the normal time, and the remaining Before the periodic check of the sewage purification treatment apparatus comprising the first and second purification treatment tanks 1 and 2 is conducted. Since the purified water is set to a value that can prevent the purified water from overflowing from the purified water storage tank 3, the purified water can be effectively used without being discharged into a river or the like. Therefore, it is possible to effectively use the purified water without causing adverse effects such as the release of the purified water purified by the sewage purification apparatus to cause environmental pollution or eutrophication of rivers. There is an advantage that you can. In addition, the purified water stored in the purified water storage tank 3 is normally supplied as cultivated water for crops made of hydroponic plants and the like so that the purified water can be effectively used. Also good.

  The pressure-feeding means 5 is provided with a pressure accumulation tank 33 that stores pressurized gas, and a first supply pipe 34 that supplies the pressurized gas stored in the pressure accumulation tank 33 to the purified water storage tank 3 as necessary. Instead of the above-described embodiment, the pressurized gas is pumped into the purified water storage tank 3 using a manual pressurizing pump or the like that supplies the pressurized gas to the purified water storage tank 3 by manual operation. You may comprise. However, as shown in the embodiment, by supplying the pressurized gas stored in the pressure accumulating tank 33 to the purified water storage tank 3, the purified water in the purified water storage tank 3 is supplied to the water supply tank 31 and the fire hydrant. In the case where it is configured to be pumped to a water supply portion made of 35 or the like, there is an advantage that the purified water can be supplied to the water supply portion easily and quickly.

  Moreover, as shown in the said embodiment, the drinking water storage tank 4 which stores drinking water is provided, and the drinking water storage tank 4 is supplied by supplying pressurized gas from the said pressure feeding means 5 in this drinking water storage tank 4. When the purified water pushed out from the inside is configured to be pumped to the water supply part composed of the tap 39 or the like of the water supply, until the lifeline is restored in the event of a disaster such as an earthquake, There is an advantage that drinking water can be secured using the drinking water storage tank 4.

  In addition, as shown by the phantom line of FIG. 1, the supply tank 43 of the purified water which supplies the purified water in the said purified water storage tank 3 to the to-be-watered part which consists of the said water supply tank 31 and the fire hydrant 35 grade | etc., The purified water storage tank 3 is provided on the roof of a house located higher than the above, and is supplied with pressurized gas from the pressure feeding means 5 into the purified water storage tank 3 when a disaster such as an earthquake occurs. You may comprise so that the purified water extruded from the inside may be pumped in the said purified water supply tank 43. FIG. In the case of such a configuration, from the pressure accumulating tank 33, the first supply pipe 34, the first pressure feed pipe 37, the purified water storage tank 3, the first pressure feed pipe 37, the purified water supply tank 43, the supplied water portion, and the like. Without adopting a complicated configuration such as maintaining the water supply line in an airtight state, the purified water that has been pressure-fed and stored in the supply tank 43 is supplied to the water supply portion including the water supply tank 31 of the flush toilet 9 and the like. There is an advantage that the purified water can be supplied and used effectively over a long period of time.

  In addition, as shown in FIG. 3, a solar power generation facility 44 is provided on the rooftop of a house, and a wind power generation facility 45 is provided in the vicinity of the house, etc. You may comprise so that it may utilize effectively with the commercial power supplied via 46. FIG. That is, the electric power obtained by the solar power generation facility 44 and the wind power generation facility 45 is supplied to the distribution board 49 via the connection terminal 47 and the inverter 48, and the electrical equipment in the house and the blower are supplied from the distribution board 49. 18 and the water supply pump 28 may be supplied to the storage battery 51 from the connection terminal 47 via the charge controller 50, and the storage battery 51 may be charged.

  When configured as described above, even when the supply of commercial power, which is a lifeline, is stopped when a disaster such as an earthquake occurs, the blower 18 and the water supply pump 28 are operated to The sewage purification apparatus can be operated effectively. Further, an emergency generator 52 composed of an engine generator or the like may be provided, and the electric power generated in the emergency generator 52 may be supplied from the distribution board 49 to various places. Further, excess power obtained by the solar power generation facility 44 and the wind power generation facility 45 may be sold as commercial power.

  Further, a wind tunnel type wind power generator using a wind collecting duct is used as the solar power generation facility 44, and compressed gas is supplied from the pressure accumulating tank 33 into the wind collecting duct of the wind tunnel type wind power generator as required. You may comprise. In such a configuration, when the wind power is weak, the electric energy can be efficiently obtained by rotating the blades in the wind tunnel using the pressure of the compressed gas supplied from the pressure accumulating tank 33. There is.

  As shown in FIG. 4, the waste water discharged from the kitchen unit 53 and the bath 54 disposed in the house is introduced into the most upstream purification treatment chamber 6 of the first purification treatment tank 1 through the drain pipe 55. By carrying out, you may comprise so that a purification process may be carried out with the waste water etc. which were discharged | emitted from the toilet bowl 10 of the said flush toilet 9. FIG. Also, when a disaster such as an earthquake occurs, the drinking water (tap water) stored in the drinking water storage tank 4 is supplied to the kitchen unit 53 and the water tap of the bath 54 via the second pumping pipe 40. It is good also as a structure which provided the pressure feed pipe 56 which pumps the drinking water (tap water) in the said drinking water storage tank 4 to the water supply tank 31 of the flush toilet 9 as needed in the pressure feed pipe 40 to pump.

  Further, in the embodiment shown in FIG. 4, the purified water led out from the purified water storage chamber 16 of the second purification treatment tank 2 by the water supply pump 28 and the water supply pipe 29 of the water supply means 30 is circulated through the circulation pipe 57. Thus, the feed water pump 28 is used as a circulation pump of the circulation means for allowing the treated water to pass through the adsorption cylinder 23 in which the activated carbon container 24 is accommodated. However, the present invention is not limited to this configuration. As shown in the figure, a circulation means 28 having a separate circulation pump 25 may be provided. Further, a water supply means 61 having a submersible pump 58, a water supply pipe 59, and an on-off valve 60 for supplying purified water in the purified water storage tank 3 as tension water into the most upstream purification treatment chamber 6 of the first purification treatment tank 1 is provided. It is good also as the structure provided.

  In the case where the water supply means 61 is provided, when the sewage purification apparatus including the first and second purification treatment tanks 1 and 2 is periodically inspected, the drainage suction means is connected to the suction port of the most upstream purification treatment chamber 6. By inserting a suction hose or the like and sucking the internal sewage, the waste water in the most upstream purification treatment chamber 6 is led out to the outside, and the purification comprising the second purification treatment chamber 7 and the third purification treatment chamber 8 and the like. There is an advantage that after the treated water in the treatment chamber is sequentially led out to the outside, the purified water in the purified water storage tank 3 can be supplied into the waste water purification apparatus as tension water by the water supply means 61. Further, in the event of a disaster such as an earthquake, when power is supplied and each pump can be driven, purification is performed by operating the water supply pump 28 of the water supply means 30 in the same manner as in normal times. Purified water in the water storage chamber 16 is supplied into the water supply tank 31 of the flush toilet 9, and the purified water in the purified water storage tank 3 is turned off by using the submersible pump 58 of the water supply means 61. It can also be used as car wash water or watered.

  A first purification treatment tank 1 having a plurality of purification treatment chambers 6 to 8, a plurality of purification treatment chambers 13 to 15 for purification treatment of treated water derived from the first purification treatment tank 1, and purified water are stored. In place of the above-described embodiment in which the second purification treatment tank 2 having the purified water storage chamber 16 and the purified water storage tank 3 for storing the purified water derived from the second purification treatment tank 2 are formed separately, While forming the said 1st, 2nd purification process tanks 1 and 2 integrally, you may form these and the purified water storage tank 3 separately. In addition, the first and second purification treatment tanks 1 and 2 and the purified water storage tank 3 are integrally formed, and a large-capacity purified water storage chamber is provided at the most downstream portion thereof. You may comprise so that it may utilize as a purified water storage tank which supplies purified water to a to-be-supplied water part.

It is explanatory drawing which shows embodiment of the water supply apparatus which concerns on this invention. It is a perspective view which shows the specific structure of the circulation means provided in the purified water storage chamber. It is a block diagram which shows the structure of an electric power supply system. It is explanatory drawing which shows another embodiment of the water supply apparatus which concerns on this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 1st purification process tank 2 2nd purification process tank 3 Purified water storage tank 4 Drinking water storage tank 5 Pumping means 31 Water supply tank (water supply part)
33 Accumulation tank 34 Supply pipe 35 Fire hydrant (water supply part)
39 Faucet (water supply part)

Claims (4)

  A purification treatment tank having a plurality of purification treatment chambers for purifying sewage discharged from the toilet in stages, a purification water storage tank for storing the purification water purified by the purification treatment tank, and the purification water storage tank A water supply apparatus, comprising: a pressure feeding unit configured to supply pressurized gas to the inside of the purified water storage tank and pump the purified water pushed out from the purified water storage tank.   The pressure-feeding means is provided with a pressure-accumulating tank that stores pressurized gas, and a supply pipe that supplies the pressurized gas stored in the pressure-accumulating tank to the purified water storage tank as needed. Item 2. A water supply apparatus according to Item 1.   A drinking water storage tank for storing drinking water and a pumping means for supplying pressurized gas into the drinking water storage tank and pumping purified water pushed out of the drinking water storage tank to the supplied water portion The water supply apparatus according to claim 1 or 2, wherein   Purified water supply tank for supplying purified water to the supplied water part is provided at a higher position than the supplied water part, and purified water is stored by supplying pressurized gas into the purified water storage tank via the pressure feeding means in the event of a disaster. The water supply apparatus according to any one of claims 1 to 3, wherein the purified water pushed out from the tank is pumped to the purified water supply tank.

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