JPH05237498A - Water treatment installation - Google Patents

Abstract

PURPOSE:To dry and incinarate a water purifying material, whose water purifying function lowers, as it is in a water purifying tank and thus to purify water and at the same time lower the amount of waste by installing a drying means and/or an incinerating means as well as a water purifying material in a water purifying tank of a water treatment installation. CONSTITUTION:In a water treatment installation, a water purifying tank 5 having a drying means and/or an incinerating means as well as a water purifying material is installed. The water purifying material is prepared from a water permeative and combustible material having one or more water purifying functions such as oil absorbing function, deodorizing function, water absorbing function, etc. For example, the water purifying material is formed like a woven cloth and the woven cloth is sewed to form a water purifying bag 7 and after that it is attached to the inside of a water purifying tank 5. Meanwhile, a gas supplying means 12 and an igniting means 13 for drying and/or incineration are installed in the upper part of the water purifying tank 5. In the case the water purifying function of the water purifying bag 7 is deteriorated, the gas supplying means and the igniting means 13 are operated and the water purifying bag 7 are dryed and incinarated as it is in the inside of the water purifying tank 5.

Description

Detailed Description of the Invention

[0001]

FIELD OF THE INVENTION The present invention relates to a water treatment device. More specifically, the present invention relates to a water treatment apparatus having both a water purification function suitable for purification of waste water discharged from each home, an apartment house, a store, a factory, etc., and a drying function and / or an incineration function.

[0002]

2. Description of the Related Art In recent years, industrial wastewater such as factory wastewater is obliged to be purified by various laws and regulations, and is less likely to be discharged to rivers etc. without being purified. However, small-scale wastewater such as household wastewater, agricultural wastewater, and commercial wastewater is not regulated, and is often discharged directly to rivers, swamps, ponds, seas, and the like. Therefore, the pollution and destruction of the water quality environment of rivers, seas, harbors, swamps, ponds, etc. due to these small-scale wastewater is remarkable and has become a serious problem, and improvement measures are strongly required. At the same time, the treatment of a large amount of garbage discharged from each factory, shop, household, etc. has become a big social problem, and it is required to reduce the amount of garbage discharged from each household as much as possible.

[0003]

The present inventor has many years of research on wastewater treatment, preservation and improvement of various water quality environments, beautification of natural environment, etc., and has a track record of putting various technologies into practice and implementing them. Then, as part of research and development for such long-term water purification and environmental improvement, research was conducted on the above-mentioned small-scale wastewater purification treatment.

As a result, from now on
It is necessary to install separate wastewater treatment equipment and waste treatment equipment in shops as well, and for that purpose, it has a water purification function and the purification material used for water purification should be discarded as waste after use. We realized that the device that can be dried or incinerated without water purification equipment can satisfy both the requirements of water purification and waste reduction at the same time, and it is extremely effective for environment purification and improvement. Then, the present invention was completed.

That is, the present invention is a water treatment apparatus characterized by comprising a water purification tank having a water purifying material and a drying means and / or an incineration means. More specifically, the present invention comprises a water purification material that can be replaced in a water purification tank after being used for a predetermined period of time, and when the water purification material has been used for a predetermined period of time and the water purification function has been reduced or lost. A water treatment device that allows the purification material to be dried in the water purification tank and then taken out of the tank, or dried and incinerated in the water purification tank, or directly incinerated without being dried in the water purification tank. Is.

In the present invention, the water purification tank must be formed of a material that is water resistant and can withstand high heat during drying and incineration, and is formed of, for example, metal, concrete, cement, ceramics, or a composite material thereof. Good to do. The shape of the water purification tank is not particularly limited, and can be any shape such as a rectangular parallelepiped shape, a cubic shape, a bottomed cylindrical shape, a spherical shape, and a hemispherical shape. It is preferable to provide a lid on the water purification tank in order to prevent discharge of offensive odors and offensive odors and to prevent waste water from overflowing from the tank. Further, the size of the water purification tank may be appropriately determined according to the amount of waste water to be purified, the site area where the water treatment device can be installed, and the like.

In the water purification tank, wastewater can be collected in the tank during the water purification treatment to perform the purification treatment, while the water purification function is reduced or lost by using the water purification treatment for a predetermined period. When the material is dried and / or incinerated as it is in the tank, the introduction of the waste water into the tank can be stopped and the waste water should not remain in the tank as much as possible so that the drying and incineration process can be performed smoothly. It is necessary to have a different structure. From this point, it is preferable to provide the outlet of the treated wastewater from the water purification tank at or near the bottom of the water purification tank. In particular, a wastewater introducing section connected to a means such as a valve for introducing and stopping wastewater in the tank was provided at the upper part of the water purification tank, and was connected to a means such as a valve for discharging and stopping the wastewater outside the tank. The wastewater discharge part is preferably provided at or near the bottom of the water purification tank.

In purifying water using the water treatment apparatus of the present invention, the water purification tank is opened with both the waste water introduction section to the water purification tank and the waste water discharge section treated from the water purification tank. Even if the wastewater is continuously introduced into the tank and the purification process is performed while continuously discharging the wastewater from the water purification tank, both the wastewater introduction section and the wastewater discharging section of the water purification tank are closed and the wastewater collected in the tank The purification treatment may be performed, or the wastewater purification treatment may be performed with one of the wastewater introduction section and the wastewater discharge section of the water purification tank opened and the other closed.
In either case, the water purification material provided in the water purification tank purifies the wastewater introduced into the tank.

In the present invention, as the water purification material, oil absorption ability, deodorization ability, other organic matter adsorption ability, inorganic matter adsorption ability, microbial adsorption ability, harmful component decomposing ability, harmful microorganism killing ability, water absorption ability, alkali releasing ability, aggregation It may be formed of a water-permeable material having one or more of water purifying functions such as releasing agent or coagulant releasing ability. The water permeable material is preferably formed of a material that can be incinerated, and by disposing a water permeable material having such a function in the water purification tank, the waste water introduced into the water purification tank can be treated. It is possible to smoothly purify in the tank. In particular,
It is preferable that the water purification material has a plurality of water purification functions.

As the above-mentioned water-permeable material constituting the water purification material, a liquid such as water can be permeated, has a shape-retaining property for a predetermined period, and is preferably incinerable and incinerable. Something that does not generate toxic gas at times is suitable.
Examples of the water-permeable material that can be used in the present invention include polyolefin-based resins such as polypropylene and polyethylene, polyester resins, fibers made of synthetic resins such as polyvinyl alcohol, or fabrics manufactured from natural fibers such as cotton and hemp. (Knitted woven fabric, non-woven fabric, etc.); reticulated body; thread, string, rope, etc. manufactured from those fibers; paper; polyolefin resin such as polypropylene and polyethylene, polyester resin, synthetic resin such as polyvinyl alcohol Examples of the produced water-permeable film, sheet, foam and the like.

Among them, a water-permeable material formed from fibers of polyolefin resin such as polypropylene and polyethylene, film, sheet, foam and the like has a function of absorbing and holding oil which is often discharged from homes and the like. It is desirable because it is hard to get wet with water and easily burns. The water-permeable material may be used alone or in combination of two or more, and the water-permeable material may be treated by fluffing, brushing, flocking, or any other method to increase its surface area. If so, the water purification action can be further enhanced.

The water purifying material formed of the water permeable material having the above-mentioned function has a scale of a water purifying tank in which it is arranged,
Depending on the shape, the state of wastewater flowing into the water purification tank, etc.
The type, combination, strength, etc. of the materials can be selected, and the shapes are fibrous, thread-like, rope-like striped, cloth-like, mesh-like, lump-like, film or sheet-like, tubular, bag-like, and goodwill-like. It can be used in any shape such as a tubular shape, a blind shape, and the like. Further, its size can be appropriately changed depending on the environment and the object to be used.

In order to impart water-absorbing ability, oil-absorbing ability, deodorizing ability, other organic substance-adsorbing ability, inorganic substance-adsorbing ability, etc. to the water-permeable material, a conventionally known adsorbent having one or more of these functions. Any of the above can be used, and representative examples thereof include activated carbon; oxides and hydroxides of aluminum, iron, titanium, silicon, tin and the like (especially silica gel, titanium oxide, activated alumina, etc.); bentonite, acid clay, diatomaceous earth. Minerals such as; calcium carbonate; zeolite and the like. When the water-permeable material itself has such characteristics, it may be used as it is as a water purification material.

When the water-permeable material has the ability to adsorb microorganisms, microorganisms useful for water purification are adsorbed on the surface of the water-permeable material so that the water-permeable material inhabits and propagates to further promote the water purification treatment. When the water-permeable material has a capability of degrading harmful components and killing harmful microorganisms, it can decompose harmful components contained in the wastewater to make them harmless or kill harmful microorganisms. In order to impart the ability of degrading harmful components and the ability to kill harmful microorganisms to the water-permeable material, it is advisable to hold a conventionally known degrading agent for underwater harmful ingredients or a water-based pesticidal agent in the water-permeable material.

It is widely known that wastewater is generally in an acidic state due to the influence of decomposition products of organic substances contained in the wastewater (for example, nitrite ion and nitrate ion) and acid rain. When the alkaline releasing ability is imparted to the water-soluble material, the alkali content gradually dissolved and released from the water-permeable material neutralizes or alleviates the wastewater in the acidic state, and the water in the neutral state is treated by the water treatment of the present invention. It can be discharged from the device to the outside. As the substance that imparts the alkali releasing ability to the water-permeable material, any substance that is weakly alkaline and gradually dissolves and releases the alkali component in water may be used. Examples of such substances include calcium carbonate, slag, coal ash, cement, latance, red clay, gypsum, alkaline iron compounds, shells and the like.

Further, when the water-permeable material is provided with a coagulant or coagulant-releasing ability, the water-permeable material releases the coagulant or coagulant so that the pollutant components (for example, sludge, oil and fat) contained in the wastewater are discharged. Or other harmful substances) can be aggregated or coagulated to facilitate their separation or removal. As the coagulant or coagulant, any of various coagulants typified by polymer coagulants usually used for water purification, inorganic or organic coagulants can be used. It is desirable to be able to elute and exert its function over a predetermined period.

The function of the water permeable material may be appropriately selected according to the content of waste water using the material. Further, the method of imparting the water purifying function to the water-permeable material is not particularly limited, and examples thereof include an oil absorbent, a deodorant,
Use a material containing one or more of an organic adsorbent, an inorganic adsorbent, a microbial adsorbent, a harmful component decomposing agent, a pesticide, an alkaline substance, a coagulant or a solidifying agent, and a water absorbent in advance. The water-permeable material may be formed by the treatment, or the water-permeable material may be subsequently treated with these agents to impregnate or coat the surface. Further, when the water-permeable material has a shape such as a bag, a cylinder, a tube, etc., in which other components can be filled and held, the above-mentioned agent may be filled and held therein.

The various functions described above may be imparted uniformly over the entire water-permeable material, or a plurality of functional regions may be imparted to one water-permeable material separately. For example, when a fabric is manufactured by using synthetic fibers containing both an alkaline substance and an oil absorbent alone, the alkali releasing ability and the oil absorbing ability are uniformly imparted over the entire fabric. When a woven fabric is manufactured by using synthetic fibers containing an alkaline substance as the warp threads and using synthetic fibers containing an oil absorbent as the weft threads, the warp threads have an alkali releasing ability and the weft threads absorb oil. A functional woven fabric can be obtained.

Further, for example, an alkaline substance and activated carbon are evenly dispersed over one sheet of heat-sealable non-woven fabric and then covered with another sheet of non-woven fabric to form an alkaline substance. Even if activated carbon is partially surrounded and heat-sealed so as not to leak to the outside of the nonwoven fabric, the environment-improving purification material of the present invention having both alkali releasing ability and various adsorption ability is formed, or one sheet can be heat-sealed. Dispersing an alkaline substance at a specific location on the non-woven fabric, spraying activated carbon on another location on the non-woven fabric, covering it with another non-woven fabric, and partially enclosing and heat-sealing the same as above, A water purification material having both alkali releasing ability and various adsorption ability may be formed.

If necessary, an air introducing means is provided inside the water purification tank so that air is introduced in a timely manner so that microorganisms and small animals useful for water purification will inhabit and multiply on the surface of the water purification material. The purification of waste water is further promoted.

In the present invention, the above water purifying material is placed in the water purifying tank to purify the waste water collected in the tank, whereby the purified water is discharged from the water purifying tank. It At that time, it is preferable that the wastewater is highly purified, but, for example, wastewater such as household wastewater does not contain highly toxic substances unlike factory wastewater, so it is required for factory wastewater. Such a complete purification process does not necessarily have to be performed. Nevertheless, as a result of the purification of wastewater using the water treatment apparatus according to the present invention, the water purified as much as possible is discharged from each household, store, apartment house, etc. Contamination of rivers and marshes and lakes will be significantly reduced compared to today.

The water purification material installed in the water purification tank has a reduced purification function after being used for a predetermined period,
It will be lost and will need to be replaced with a new one.
In the present invention, the used water purification material is dried and / or incinerated in the water purification tank without removing the old water purification material from the water purification tank and discarding it as it is. It can be reduced or its handleability can be improved.

As described above, the used water purification material and / or the incineration can be efficiently dried and / or incinerated by discharging the waste water from the water purification tank so that the water is hardly present in the tank. Desirable above. The used water purification material may be taken out of the tank after being dried in the tank for easy handling, dried in the tank and incinerated, or may be directly incinerated in the tank. In the case of incineration, if the water purification material is in a wet state, the incineration is often not performed smoothly. Therefore, it is desirable to dry the water in the tank to some extent or completely before incineration. As heating means for drying and / or incineration, any of city gas, propane gas, LNG, electric heating, petroleum, etc. can be used. Considering fuel consumption, site conditions, equipment structure, etc. Good to decide.

In manufacturing the water treatment apparatus of the present invention, the structure of the heating means and the structure of the heating means are not adversely affected by the waste water introduced into the water purification tank. It is necessary to decide the installation position. For example, when drying or incinerating used water purification material with gas, make sure that the outlet into the gas tank is not clogged with waste water or pollutants contained therein.
At the time of water purification treatment, design means such as installing a means for sealing the gas outlet and providing the gas outlet to the water purification tank at a position higher than the maximum level of waste water in the tank There is a need.

When the used water purification material is dried and / or incinerated in the water purification tank, the water purification material is dried and incinerated in the same state as that used for the waste water purification treatment. Alternatively, the water purification material may be collected at a predetermined place in the tank and then dried and / or incinerated so as to facilitate drying and incineration. In the latter case, the water purification material may be manually collected at a predetermined location, or a device therefor may be provided in the water purification tank. Also, if incineration of water purification materials leaves unburned solids in the tank, it is necessary to remove them from the water purification tank in order to smoothly carry out the next water purification treatment. For that purpose, for example, the bottom portion of the water purification tank or a part thereof may be designed to be taken out of the tank so that unburned matter can be easily taken out from the water purification tank.

When it is feared that toxic gas is generated due to incomplete combustion of the used water purification material, a means for introducing air into the water purification tank is provided, or a toxic gas adsorption means is provided as a combustion gas discharge port. It is better to install it in the section.

The water treatment apparatus of the present invention is used for household wastewater, small households, offices, etc. discharged from households, condominiums, apartments, etc., which are not currently regulated by law. Although it is particularly suitable for the purification treatment of discharged wastewater, it is not limited to them, and can be widely used in any field where purification treatment of wastewater is required. Although not limited, examples of the water purification material used in the water treatment device of the present invention and the water purification tank to which the water purification material is attached will be specifically described below with reference to the drawings.

FIG. 1 shows an example of a woven cloth-like water purifying material that can be used in the present invention. This woven water purification material 1
Is woven by using a polypropylene fiber yarn containing an alkaline substance for the warp yarn 2 and a polypropylene yarn containing an adsorbent such as activated carbon for the weft yarn 3. And the ability to release alkali and the ability to adsorb other pollutants are combined, and the characteristic is that combustion is easy. Not limited to the woven fabric water purification material 1 of FIG. 1, for example, a similar fiber may be used to make a non-woven fabric water purification material.

FIG. 2 is a view showing an example in which the cloth-like water purifying material of FIG. 1 or the other is arranged in a purifying tank for purifying domestic waste water in the form of a bag. A storage tank 4 for storing all the wastewater discharged from the home is provided on the premises of each home. From this storage tank 4, waste water is introduced into a water purification tank 5 with a lid, which is made of a water-resistant and combustion-resistant material such as metal or concrete, at a proper time, and an air supply means provided under the water purification tank 5 or the like. While supplying air from 6, the waste water is purified. The water purification tank 5 can be formed in any shape such as a rectangular shape, a cubic shape, and a cylindrical shape. Inside the water purification tank 5, along the inner surface thereof, a water purification bag 7 formed from the cloth-like water purification material 1 of FIG.
The wastewater is introduced into the water purification bag 7 through the inlet 8 having a valve and the like provided on the upper part of the water purification tank 5, and the above-mentioned oil adsorption capacity, alkali release capacity and other pollutant components by the bag 7 are introduced. Purification such as adsorption, decomposition and neutralization of pollutant components in the wastewater is performed by the purifying action such as the adsorption ability. The purified wastewater is discharged from the outlet 9 provided near the bottom of the water purification tank 5 to a gutter or the like. In FIG. 2, reference numerals 10 and 1
Reference numeral 1 is a valve body provided at the waste water introduction portion and the waste water outlet portion.

On the upper part of the water purification tank 5, a gas supply means 12 for drying and / or combustion and an ignition means 13 are provided, and these means 12 and 13 are included in the waste water or the waste water during the purification treatment of the waste water. It is closed to prevent it from being adversely affected by pollutants. Then, when the wastewater is purified for a predetermined period of time and the purification ability of the water purification bag 7 arranged in the water purification tank 5 is reduced or lost, the inlet 8
Is closed to prevent the wastewater from being introduced into the water purification tank 5, and the wastewater in the water purification tank 5 is almost completely discharged from the outlet 9 so that the water purification tank 5 has no wastewater. While activating the ignition means 13 and further supplying air from the air supply means 6, the water purification bag 7 on which pollutants and microorganisms adhere is dried in the water purification tank 5 as it is, or is incinerated after drying, or Incinerate directly.

At this time, even if the water purifying bag 7 is dried or incinerated while being placed in the same position as during the water purifying treatment, or the water purifying bag 7 is dried or burned with gas supply means 12 or. You may collect in the position near the ignition means 13, and may perform a drying or incineration process. When the water purification bag 7 is collected at a position close to the gas supply means 12 and the ignition means 13 for drying or incineration, the dried water purification bag 7 is taken out of the water purification tank 5, or The slag remaining after the incineration process can be easily disposed of and removed from the water purification tank 5, and the thermal efficiency at the time of drying and burning can be improved. When the above-mentioned drying and / or incineration process is completed, a new water purification bag 7 is attached to the water purification tank 5, waste water is introduced into the tank 5, and the waste water purification process is performed again.

In the water treatment device shown in FIG. 2, the water purification bag 7 made of the cloth shown in FIG. 1 is arranged in the water purification tank 5.
Of course, the water purifying material to be placed therein is not limited to such a water purifying bag, and water purifying materials having various other shapes and functions may be placed. For example, as shown in FIG. 3, a large number of strings or ropes 14 having various water purification functions as described above are aligned and bundled at the central portion, and a plurality of them are arranged at the central portion of the water purification tank or at other locations. May be attached to.

[0033]

When the water treatment device of the present invention is used,
It is possible to effectively purify wastewater, and the water purification material used for purification treatment of wastewater can be directly dried and / or incinerated in the water purification tank, so both water purification and reduction of dust can be achieved. These requirements can be satisfied at the same time, and it is extremely effective for purification and improvement of the environment in the future.

[Brief description of drawings]

FIG. 1 is a diagram showing an example of a water purification material used in the present invention.

FIG. 2 is a view showing an example in which the cloth-like water purifying material shown in FIG. 1 or the like is arranged in a bag in a septic tank for purifying domestic wastewater.

FIG. 3 is a view showing a water purifying material in which a large number of strings or ropes having a water purifying function are aligned and bundled at the center thereof.

[Explanation of symbols]

 1 Woven cloth water purification material 2 Warp yarn 3 Weft yarn 4 Waste water storage tank 5 Water purification tank 6 Air supply means 7 Water purification bag 8 Inlet 9 Outlet 10 Valve body 11 Valve body 12 Drying and / or combustion gas supply means 13 Ignition Means 14 String or rope with water purification function

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁵ Identification code Internal reference number FI technical display location C02F 1/66 3/06 8515-4D 3/10 Z 8515-4D A 8515-4D 11/00 N 7824-4D

Claims (2)

[Claims] 1. A water treatment apparatus comprising a water purification tank having a water purification material and a drying means and / or an incineration means. 2. A water purification material comprising an oil absorbing ability, deodorizing ability, other organic substance adsorbing ability, inorganic substance adsorbing ability, microbial adsorbing ability, harmful component degrading ability, harmful microbial killing ability, water absorbing ability, alkali releasing ability,
The water treatment device according to claim 1, wherein the water treatment device is formed of a water-permeable and incinerable material having one or more of water purifying functions such as coagulant or coagulant releasing ability.