CN100373015C - Flush toilet and deodorizing method of the same - Google Patents
Flush toilet and deodorizing method of the same Download PDFInfo
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- CN100373015C CN100373015C CNB2005101099528A CN200510109952A CN100373015C CN 100373015 C CN100373015 C CN 100373015C CN B2005101099528 A CNB2005101099528 A CN B2005101099528A CN 200510109952 A CN200510109952 A CN 200510109952A CN 100373015 C CN100373015 C CN 100373015C
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- foul smell
- water
- electrolytic cell
- electrolysis
- closet
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D9/00—Sanitary or other accessories for lavatories ; Devices for cleaning or disinfecting the toilet room or the toilet bowl; Devices for eliminating smells
- E03D9/04—Special arrangement or operation of ventilating devices
- E03D9/05—Special arrangement or operation of ventilating devices ventilating the bowl
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- Hydrology & Water Resources (AREA)
- Epidemiology (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
- Sanitary Device For Flush Toilet (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
- Treating Waste Gases (AREA)
Abstract
An object of the present invention is to provide a flush toilet and a deodorizing method of the flush toilet which effectively remove a source of an offensive odor in the toilet and which can decompose the odor and also clean and sterilize a toilet bowl.
Description
Technical field
The present invention relates to possess the washing toilet of odor removal, relate to cleaning and the washing toilet of sterilization and the deodorizing method of washing toilet that can carry out closet in addition.
Background technology
Stink when the washing toilet uses is not enough by using the back to utilize and washing off only sometimes, has proposed to be used for to wash the various odor removals that the stink of toilet removes in the past.
In patent documentation 1, announcing has following odor removal, promptly, in the action pulls of utilizing blast fan behind the stink of closet, this stink blown be attached on the moisturizing body that has adhered to moisture, after making odor pollutant be dissolved in the moisture of moisturizing body, utilize gutter in sewer, to discharge.But, in this odor removal, need gutter be set in the discharge portion of closet and the pars intermedia of sewer, be not easy to be installed on the existing closet, because the moisturizing body contains moisture, therefore under the situation of suction odor pollutant, have problem in addition by the generation of this moisturizing body build-up of pressure loss.
In addition, in patent documentation 2, announcement has following way, promptly, by supplying with sterilization water to strainer with moisture retention, pass the stink of this strainer suction closet and odor pollutant is utilized described sterilization water absorption or decomposition, come filter rinsed by supplying with new sterilization water thereafter, and utilize this sterilization water to carry out the sterilization of closet to strainer.But this kind supplied with in the method for sterilization water to strainer, might be because of sterilization water generates strainer aging, in addition because strainer is in moisture state, so the pressure loss is big, the problem that the absorption load of foul smelling composition increases.
[patent documentation 1] spy opens flat 3-286052 communique
[patent documentation 2] spy opens the 2000-129747 communique
Summary of the invention
The objective of the invention is to, provide the reason foul smell that has possessed the stench that will become the washing toilet to remove effectively, and, can also carry out the washing toilet of odor removal of cleaning, sterilization of closet and the deodorizing method of washing toilet in addition with this foul smell resolution process.
Washing toilet of the present invention is to possess closet, be used for the washing toilet to the water washing mechanism of washing in this closet, it is characterized in that, possess: be provided with pair of electrodes and storage of water electrolytic cell, be used for to the energising of described pair of electrodes power supply, be used to aspirate excremental foul smell the foul smell aspirating mechanism, be used for foul smell feed mechanism that the described foul smell that utilizes described foul smell aspirating mechanism suction is supplied with in described electrolytic cell, by utilizing described power supply to described electrifying electrodes, in described electrolytic cell, generate brine electrolysis, utilize this brine electrolysis that described foul smell is removed.
Technical scheme 6 described washing toilets are to have following feature in technical scheme 5 described inventions, promptly, be provided with the lever or the switch that are used to make the washing usefulness in the described closet of current direction in described water washing mechanism, described valve is by open linkedly with described lever or switch.
The deodorizing method of washing toilet of the present invention is to supply with excremental foul smell and the deodorizing method of the washing toilet of deodorizing in storage has water and comprises by the electrolytic cell of the electrode pair that is provided with according to the mode in this water that is immersed in to major general's part, before in described electrolytic cell, supplying with foul smell and/or in supplying with and/or after supplying with, by switching on to described electrode pair, in described electrolytic cell, generate brine electrolysis, utilize this brine electrolysis that foul smell composition contained in the described foul smell is decomposed.
The deodorizing method of technical scheme 10 described washing toilets is to have following feature in technical scheme 9 described inventions, that is, and and cleaning, sterilization and the deodorizing of carrying out this closet in the closet by described brine electrolysis is flowed to.
According to the present invention, the foul smell that becomes the reason of the stench of washing toilet can be removed, and can carry out resolution process this foul smell.In addition, according to the present invention, can wash the cleaning and the sterilization of the closet of toilet.
Description of drawings
Fig. 1 is the summary pie graph of the washing toilet that has possessed odor removal of expression embodiments of the invention 1.
Fig. 2 is the summary pie graph of the washing toilet that has possessed odor removal of expression embodiments of the invention 2.
Fig. 3 is the summary pie graph of the washing toilet that has possessed odor removal of expression embodiments of the invention 3.
Fig. 4 is the summary pie graph of the washing toilet that has possessed odor removal of expression embodiments of the invention 3.
Fig. 5 is the summary pie graph of the washing toilet that has possessed odor removal of expression embodiments of the invention 4.
Fig. 6 is the summary pie graph of the washing toilet that has possessed odor removal of expression embodiments of the invention 4.
Fig. 7 is the summary pie graph of the washing toilet that has possessed odor removal of expression embodiments of the invention 5.
Fig. 8 is the summary pie graph of the washing toilet that has possessed odor removal of expression embodiments of the invention 6.
Fig. 9 is the summary pie graph that is used to illustrate the experimental facilities of the resolution process mechanism of utilizing the foul smell composition that electrolysis of the present invention carries out.
Figure 10 be as the use of an example of the Lukewarm water cleaning device of the washing toilet that has possessed odor removal of the present invention the summary pie graph of Lukewarm water cleaning device of Ozone Water.
Wherein, 1 odor removal, 2 closets, 3 toilet seats, 4 hoppers, 5 feed pipes, 6 pumps, 7 supply pipes, 8 washing toilets, 11 adsorption elements, 12,16 fans, 13,50 heaters, 14 circulating paths, 15 foul smell streams, 17 restriction, 18 are taken into pipeline, 19 air pumps, 20,40,55 electrolysis units, 21 one way valves, 22,57 control device, 23 electrolytic cells, 24,25,53,54 electrode for electrolysis, 26 diffusers, 27 brine electrolysis streams, 28A, 28B, the 28C flow export, 29,29A foul smell intake, 30 Lukewarm water cleaning devices, 31 valves, 32A, the 32B lid, 33 surge tanks, 34 blast gates, 41 foul smell are enclosed assembly, 42 air pumps, 43 glass containers, 44 liquid acquisition syringes, 45 reclaim assembly, 51 water jets, 52 shower nozzles, 56 water routes, 100,200 foul smell adsorbent equipments.
The specific embodiment
Preferred implementation to washing toilet of the present invention is elaborated below with reference to accompanying drawings.
[embodiment 1]
Based on accompanying drawing one embodiment of the present of invention are described in detail.Fig. 1 represents to have had as possessing of one embodiment of the present of invention the summary pie graph of the washing toilet 8 of odor removal 1.
In the present embodiment, washing toilet 8 comprises: possess foul smell adsorbent equipment 100 and electrolysis unit 20 odor removal 1, closet 2, toilet seat 3, the hopper 4 that is used for described closet 2 is washed, the feed pipe 5 that is used for being connected to the running water pipe that this hopper 4 supplies water with not shown, possessed the Lukewarm water cleaning device 30 of not shown warm water jar etc.
Foul smell adsorbent equipment 100 is by the discoid adsorption element 11 with the given speed rotation, foul smell that foul smell in the closet 2 and toilet is indoor is taken into and ventilates and the air that makes it to circulate is taken into the fan 12 of usefulness from foul smell pump orifice 29 and foul smell pump orifice 29A through being used to make the air that contains foul smell to flow through the foul smell stream 15 of this adsorption element 11, be used for adsorption element 11 is heated to+60 ℃～+ 120 ℃ electric heater 13, be used for will be by these electric heater 13 warmed-up foul smell at the circulating path 14 that in these adsorption element 11 ventilations, makes it to circulate near the reproducing unit 14A place of adsorption element 11, be located at the fan 16 of the circulation usefulness in this circulating path 14, be located at restriction 17 formations such as grade in the circulating path 14.
Described adsorption element 11 for example is made of foul smell adsorbents such as zeolites, will through foul smell stream 15 flow through this adsorption element 11 the washing toilet foul smell absorption and collect.Here, the so-called foul smell that will remove of the present invention is meant by excretas such as ight soil or vomituses and is sent and in closet and the indoor floating hydrogen sulfide (H of toilet
2S), methyl mercaptan (CH
3SH), ammonia (NH
3) etc.
On the other hand, on described circulating path 14, be connected with an end that is taken into pipeline 18 at the upstream side of restriction 17, this other end that is taken into pipeline 18 is connected with the diffuser 26 of electrolysis unit 20.In addition, in being taken into pipeline 18, be folded with the one way valve 21 (will be made as towards the direction of diffuser 26) of the air pump 19 and the position of diffuser 26 sides that are positioned at this air pump 19 along direction, utilize the running of this air pump 19, to in being taken into pipeline 18, be taken at the air that comprises foul smell that the restriction in the circulating path 14 17 stops previously, give diffuser 26 through one way valve 21.
Electrode for electrolysis 24,25 for example all is made of platinum one iridium class insoluble petal electrodes such as (Pt-Ir classes), and mutual distance for example is set as 3mm.And in the present invention, so-called electrode for electrolysis is meant and is submerged in as by in the aqueous solution of brine electrolysis and participate in the electrode of electrolysis directly, and a part that also comprises electrode is impregnated and participate in this part of the situation of electrolysis directly.In addition, in the present embodiment,, in addition, also can be provided with a plurality of electrode for electrolysis though electrode for electrolysis 24,25 is made of pair of electrodes.
In addition, Figure 10 has represented to have as the use of an example of the Lukewarm water cleaning device 30 of washing toilet 8 of the present invention the summary pie graph of the Lukewarm water cleaning device 30 of Ozone Water.This Lukewarm water cleaning device 30 possesses: be used for shower nozzle 52 and water jet 51 to the cleaning of body local water spray, supply with the water route 56 of the water of water spray usefulness to this water jet 51, be used between this water route 56 and shower nozzle 52, the water heating being formed the heater 50 of warm water, be used to generate the electrolysis unit 55 of Ozone Water, be located in this electrolysis unit 55 and be impregnated in electrode for electrolysis 53 in the water that in water route 56, flows through, 54, constitute and have given dc source and except to described electrode for electrolysis 53 by micro computer etc., also control control device 57 beyond 54 energisings to the energising of heater 50.
The electrode for electrolysis that becomes anode 54 among the electrode for electrolysis 53,54 is for example by the electrode formation that takes place as ozone with the platinum one tantalum class (Pt-Ta class) of electrode, the electrode for electrolysis 53 that becomes negative electrode for example as mentioned above, be made of platinum-insoluble petal electrodes such as iridium class, mutual interelectrode distance for example is set as 6mm.And, the electrode of described platinum one tantalum class is to have formed the intermediate layer of containing platinum on the surface of the conductive base of tantalum etc., formed the electrode of the surface course that constitutes by dielectrics such as tantalum oxide or niobium oxide in addition on the surface in this intermediate layer, use as anode by electrode for electrolysis 54 this kind platinum one tantalum class, even under the situation of the tap water electrolysis that will contain chloride ion, also can suppress the generation of hypochlorite, and can generate ozone with high concentration water.
To in above formation, the action of washing toilet 8 that has possessed the odor removal 1 of present embodiment describes.And in the present embodiment, before the washing toilet used, storing in hopper 4 and electrolytic cell 23 in advance had tap water.And, though different for tap water because of region or season, in order to carry out sterilization, contain usually about 5～200mg/l, on average the chloride ion about 17mg/l.
Deodorization mode
At first, the deodorization mode that will wash the toilet deodorizing is described.When making when washing toilet 8 with water and in closet 2, draining excreta such as urine, as mentioned above, in closet 2 or the indoor foul smell that forms by hydrogen sulfide, methyl mercaptan, ammonia etc. that just produces of toilet.Here utilize not shown foul smell sensor or the not shown seating sensor on toilet seat 3 to wait the use of perception washing toilet, or utilize manual switch, control device 22 makes fan 12 runnings, and makes the rotation of adsorption element 11 make adsorption element 11 with given speed rotation with motor running.Utilize the running of fan 12, in the closet 2 and the indoor air that contain foul smell of toilet just flow to adsorption element 11 through foul smell stream 15 from foul smell pump orifice 29 and suction pump orifice 29A, just be adsorbed member 11 absorption as the hydrogen sulfide of described foul smell composition, methyl mercaptan, ammonia etc. like this and collect.
This kind foul smell, every the given time, for example carried out usually when making the use toilet to the collection on the adsorption element 11 action at every turn in 5 minutes.
Foul smell composition resolution model
In addition,, for example make for 3 times and wash toilet with water, implement the collection of the described foul smell of given number of times when with given number of times, be collected in to a certain degree foul smell composition on the adsorption element 11 after, next promptly carry out foul smell composition resolution model.
When foul smell composition resolution model was performed, control device 22 made fan 16 and air pump 19 runnings, and made the rotation of adsorption element 11 make adsorption element 11 with given speed rotation with motor running, made it heating to electric heater 13 energisings.
Utilize described deodorization mode with the adsorption element 11 of foul smell composition absorptive collection because of the very fast arrival reproducing unit of rotation 14A, here by high temperature air heating by electric heater 13 heating with fan 16 circulations.By heating like this, the foul smell composition that is adsorbed on the adsorption element 11 is just emitted, and flows to the restriction 17 of circulating path 14 with high temperature air.The air that comprises a large amount of foul smell compositions that this quilt is emitted is taken in being taken into pipeline 28 by air pump 19, arrives the diffuser 26 of electrolytic cell 23 bottoms of being located at electrolysis unit 20 through one way valve 21.The air that is sent to comprising of this diffuser 26 of a large amount of foul smell compositions is by in the water to electrolytic cell 23 in, with 0.1～50.01/min, the amount bubbling of preferred 0.5～1.01/min, become bubble and pass through between the electrode for electrolysis 24,25 or they around.
On the other hand, control device 22 is to described electrode for electrolysis 24,25 supply powers.The electrode for electrolysis 24 that be applied in positive potential this moment just becomes anode, and the electrode for electrolysis 25 that is applied in negative potential just becomes negative electrode.In addition, control device 22 also can be every preset time, for example polarity switching with electrode for electrolysis 24,25 in 3 minutes.When like this polarity of electrode for electrolysis 24,25 being switched, electrode for electrolysis 24 just becomes negative electrode, and electrode for electrolysis 25 just becomes anode, and the scale that can be adsorbed on the calcium etc. of each electrode surface is removed.
In addition, in the electrolytic cell 23 that has dissolved the foul smell composition, because as mentioned above, storing usually has the tap water that contains the chloride ion about 5～17mg/l, therefore in the electrode for electrolysis 24 that becomes anode, chloride ion discharges and generates chlorine (reaction equation (1), (2)).Thereafter, this chlorine dissolves in water, generates hypochlorite (reaction equation (3)).Below, represent to respond formula (1), (2), (3).
NaCl→Na
++Cl
-…(1)
2Cl-→Cl
2+2e
-…(2)
Cl
2+H
2O→HClO+HCl…(3)
In addition, as described above by the air of in electrolytic cell 23, sending owing to contact with water at an easy rate, so the interior contained foul smell composition of this air just dissolves in the water.Like this, just be dissolved in the water as the hydrogen sulfide of foul smell composition, methyl mercaptan, ammonia etc., contained the brine electrolysis resolution process of hypochlorite then, the air of the peace and quiet state of having changed is just emitted to toilet is indoor.
And, the electrolysis that the energising to electrode for electrolysis 24,25 that utilizes described control device 22 to carry out realizes both can be before the bubbling of described foul smell composition, in advance with preset time, electrolysis in the tap water in electrolytic cell 23, in electrolytic cell 23, generate the brine electrolysis that contains hypochlorite, in addition, also can in bubbling, carry out electrolysis, can also after making the foul smell composition be dissolved in the described tap water, carry out electrolysis in addition.
Here, use the resolution process mechanism of the described foul smell composition that Fig. 9 decomposes the electricity that has used the aqueous solution to describe.And Fig. 9 is the summary pie graph of experimental facilities that is used to illustrate the resolution process mechanism of foul smell composition.
This experimental facilities have by storage 300ml experiment water closed glass container 43, be used for foul smell composition bubbling advance to test the diffuser 26 of water, the foul smell that is used for sending the foul smell composition of experiment usefulness to this diffuser 26 enclose assembly 41 and air pump 42, be used to collect the water surface glass container 43 in top gas recovery assembly 45, be used to gather experiment water liquid acquisition with syringe 44, be immersed in electrode for electrolysis 24,25, the control device 22 of testing water and constitute.
Use following 2 kinds as experiment water.That is, (following note is made Cl according to represent to reach the lysed aqueous solution of mode of 5mg/l with chloride ion in Purified Water with sodium chloride (NaCl)
-5mg/l water.), (following note is made Cl according to represent to reach the lysed aqueous solution of mode of 17mg/l with chloride ion in Purified Water with sodium chloride (NaCl)
-17mg/l water.) these 2 kinds.
In addition, the foul smell composition of estimating in this experiment adopts hydrogen sulfide, methyl mercaptan, these 3 kinds of foul smell compositions of ammonia, this foul smell composition utilized argon-dilution respectively and enclose independent foul smell and enclose in the assembly 41, make hydrogen sulfide reach the gas concentration of 3ppm, methyl mercaptan reaches the gas concentration of 3.2ppm, ammonia reaches the gas concentration of 4.8ppm, to these each foul smell compositions, utilizes air pump 42 to test respectively to described that the flow with 0.5ml/min carries out bubbling in the water through diffusers 26 respectively.After this, passed the foul smell composition of described experiment water and collected, carry out gas concentration measuring by gas-chromatography and detector tube, and experiment water has been utilized chromatography of ions to carry out the analysis of solution composition by liquid acquisition syringe 44 collections by reclaiming assembly 45.And the gas concentration of described each foul smell composition is about 10 times a concentration of foul smell gas concentration contained in the foul smell of common washing toilet.
After this, will be immersed in the electrode for electrolysis 24,25 of described identical platinum one iridium class in the experiment water.And employed electrode for electrolysis 24,25 is the size of long 60mm, wide 35mm, thick 2mm in the experiment, and interelectrode distance is and described identical 3mm.In addition, utilize control device 22, apply current density 20mA/cm to each electrode for electrolysis 24,25
2Constant current.
Owing to contain chloride ion as described above in experiment water, therefore in the electrode for electrolysis 24 that becomes anode, chloride ion discharges and generates chlorine (Cl).Thereafter, this chlorine is dissolved in the experiment water, generates hypochlorous acid (HClO) (reaction equation (1), (2), (3)).
Table 1 uses described Cl as experiment water
-5mg/l water before 5 minutes bubbling of foul smell composition described later electrolysis 3 minutes water (following note is made Cl
-The 5mg/l brine electrolysis.), with described Cl
-17mg/l water before 5 minutes bubbling of foul smell composition described later electrolysis 3 minutes water (following note is made Cl
-The 17mg/l brine electrolysis.), in enclosing assembly 41, described foul smell encloses hydrogen sulfide 3ppm as the foul smell composition, represented that table 2 has been represented for Cl with the hypochlorous acid concentration (mg/l) in the experiment water of respectively testing water of this hydrogen sulfide gas before and after described that respectively tested bubbling in the water 5 minutes time the, bubbling and as the concentration of hydrogen sulfide (ppm) of the foul smell composition gas concentration in the recovery gas component
-5mg/l brine electrolysis and described Cl
-The 17mg/l brine electrolysis, identical hypochlorous acid concentration when in described 5 minutes bubbling, also having implemented electrolysis and identical concentration of hydrogen sulfide.
Can see Cl from table 1 and table 2
-In the 5mg/l water, behind bubbling, also detect the hydrogen sulfide of lppm, after having heard the stink that reclaims in the gas component, the rank smell of hydrogen sulfide is arranged in addition.In contrast, at Cl
-5mg/l brine electrolysis and Cl
-In the 17mg/l brine electrolysis, do not detect hydrogen sulfide the recovery assembly behind bubbling.In addition, the liquor analysis that utilizes chromatography of ions to carry out is at Cl
-5mg/l brine electrolysis and Cl
-Under the situation of 17mg/l brine electrolysis, detected sulfate ion (SO the experiment water behind bubbling
4 2-).According to this result, think that hydrogen sulfide is decomposed into sulfuric acid as the odorless composition by hypochlorous acid.Below the decomposition reaction of the hydrogen sulfide that will be caused by hypochlorous acid is with reaction equation (4) expression.
H
2S+4HClO→6H
++SO4
2-+4Cl
-…(4)
And, for the situation (table 2) of in described 5 minutes bubbling, also having implemented electrolysis with do not implement the situation (table 1) of electrolysis, though do not see difference in the concentration of hydrogen sulfide behind bubbling, but in bubbling, also implemented electrolysis situation a side since bubbling after hypochlorous acid concentration higher, therefore one of this situation can be to decompose more hydrogen sulfide, and as described later, brine electrolysis in making electrolytic cell 23 of the present invention flows through under the situation in the closet 2, and sterilization, deodorizing effect are improved.
[table 1]
| Hypochlorous acid concentration (mg/l) | Concentration of hydrogen sulfide (mg/l) | |||
| Before the bubbling | Behind the bubbling | Before the bubbling | Behind the bubbling | |
| Cl - -5mg/l water | 0 | 0 | 3.0 | 1.0 |
| Cl - -The 5mg/l brine electrolysis | 3.0 | 1.5 | 3.0 | Do not detect |
| Cl -The 17mg/l brine electrolysis | 7.0 | 4.0 | 3.0 | Do not detect |
[table 2]
| Hypochlorous acid concentration (mg/l) | Concentration of hydrogen sulfide (mg/l) | |||
| Before the bubbling | Behind the bubbling | Before the bubbling | Behind the bubbling | |
| Cl - -5mg/l water | 0 | 0 | 3.0 | 1.0 |
| Cl - -The 5mg/l brine electrolysis | 3.0 | 5.7 | 3.0 | Do not detect |
| C1 -The 17mg/l brine electrolysis | 7.0 | 15.5 | 3.0 | Do not detect |
Table 3 uses described Cl as experiment water
-5mg/l water, described Cl
-5mg/l brine electrolysis, described Cl
-The 17mg/l brine electrolysis, in enclosing assembly 41, described foul smell encloses methyl mercaptan 3.2ppm as the foul smell composition, represented with this methyl mercaptan gas in the described experiment water of respectively testing water of respectively testing before and after the identical bubbling in the time of 5 minutes of bubbling in the water hypochlorous acid concentration (mg/l) and reclaim methyl mercaptan concentration (ppm) in the gas component as foul smell composition gas concentration, table 4 has been represented for Cl
-5mg/l brine electrolysis and Cl
-The 17mg/l brine electrolysis in described 5 minutes identical bubbling, has also been implemented identical hypochlorous acid concentration under the situation of electrolysis and identical methyl mercaptan concentration.
Can see Cl from table 3 and table 4
-In the 5mg/l water, behind bubbling, also detect the methyl mercaptan of 0.9ppm, after having heard the stink that reclaims in the gas component, the rank smell of methyl mercaptan is arranged in addition.In contrast, at Cl
-5mg/l brine electrolysis and Cl
-In the 17mg/l brine electrolysis, do not detect methyl mercaptan the recovery assembly behind bubbling.In addition, the liquor analysis that utilizes chromatography of ions to carry out is at Cl
-5mg/l brine electrolysis and Cl
-Under the situation of 17mg/l brine electrolysis, detected methanesulfonic acid (SO the experiment water behind bubbling
4 2-).According to this result, think that methyl mercaptan is decomposed into methanesulfonic acid as the odorless composition by hypochlorous acid.Below the decomposition reaction of the methyl mercaptan that will be caused by hypochlorous acid is with reaction equation (5) expression.
CH
3SH+3HClO→CH
3SO
3H+3HCl…(5)
And, for the situation (table 2) of in described 5 minutes bubbling, also having implemented electrolysis with do not implement the situation (table 1) of electrolysis, identical with the situation of described hydrogen sulfide, though do not see difference in the methyl mercaptan concentration behind bubbling, but in bubbling, also implemented electrolysis situation a side since bubbling after hypochlorous acid concentration higher, therefore one of this situation can be to decompose more methyl mercaptan, and as described later, brine electrolysis in making electrolytic cell 23 of the present invention flows through under the situation in the closet 2, and sterilization, deodorizing effect are improved.
[table 3]
| Hypochlorous acid concentration (mg/l) | Methyl mercaptan concentration (ppm) | |||
| Before the bubbling | Behind the bubbling | Before the bubbling | Behind the bubbling | |
| Cl - -5mg/l water | 0 | 0 | 3.2 | 0.9 |
| Cl - -The 5mg/l brine electrolysis | 2.6 | 1.2 | 3.2 | Do not detect |
| Cl -The 17mg/l brine electrolysis | 7.0 | 4.5 | 3.2 | Do not detect |
[table 4]
| Hypochlorous acid concentration (mg/l) | Methyl mercaptan concentration (ppm) | |||
| Before the bubbling | Behind the bubbling | Before the bubbling | Behind the bubbling | |
| Cl - -5mg/l water | 0 | 0 | 3.2 | 0.9 |
| Cl - -The 5mg/l brine electrolysis | 2.6 | 4.8 | 3.2 | Do not detect |
| Cl -The 17mg/l brine electrolysis | 7.0 | 15.2 | 3.2 | Do not detect |
Table 5 uses described Cl as experiment water
-5mg/l water, described Cl
-5mg/l brine electrolysis, described Cl
-The 17mg/l brine electrolysis, in enclosing assembly 41, described foul smell encloses ammonia 4.8ppm as the foul smell composition, represented with this ammonia in the described experiment water of respectively testing water of respectively testing before and after the bubbling in the time of 5 minutes of bubbling in the water hypochlorous acid concentration (mg/l) and reclaim ammonia concentration (ppm) in the gas component as foul smell composition gas concentration, table 6 has been represented for Cl
-5mg/l brine electrolysis and Cl
-The situation of 17mg/l brine electrolysis in described 5 minutes bubbling, has also been implemented identical hypochlorous acid concentration under the situation of electrolysis and identical ammonia concentration.
Can see Cl from table 3 and table 4
-In the 5mg/l water,, after having heard the stink that reclaims in the gas component, the rank smell of ammonia is arranged in addition even behind bubbling, also detect the ammonia of 0.5ppm.In contrast, at Cl
-5mg/l brine electrolysis and Cl
-In the 17mg/l brine electrolysis, do not detect ammonia the recovery assembly behind bubbling.In addition, the liquor analysis that utilizes chromatography of ions to carry out is at Cl
-5mg/l brine electrolysis and Cl
-Under the situation of 17mg/l brine electrolysis, do not detect ammonium ion (NH the experiment water behind bubbling
4 +).According to this result, think that the ammonia that is dissolved in the experiment water is decomposed by so-called breakpoint by hypochlorous acid.Below the decomposition reaction of the ammonia that will be caused by hypochlorous acid is with reaction equation (6)～(8) expression.
NH4
++ClO
-→NH
2Cl+H
2O…(6)
NH
2Cl+ClO
-→NHCl
2+H
2O…(7)
NH
2Cl+NHCl
2→N
2↑+3HCl…(8)
And, for the situation (table 2) of in described 5 minutes bubbling, also having implemented electrolysis with do not implement the situation (table 1) of electrolysis, identical with the situation of described hydrogen sulfide or methyl mercaptan, though do not see difference in the ammonia concentration behind bubbling, but in bubbling, also implemented electrolysis situation a side since bubbling after hypochlorous acid concentration higher, therefore one of this situation can be to decompose more ammonia, and as described later, brine electrolysis in making electrolytic cell 23 of the present invention flows through under the situation in the closet 2, and sterilization, deodorizing effect are improved.
[table 5]
| Hypochlorous acid concentration (mg/l) | Ammonia concentration (ppm) | |||
| Before the bubbling | Behind the bubbling | Before the bubbling | Behind the bubbling | |
| Cl - -5mg/l water | 0 | 0 | 4.8 | 0.5 |
| Cl - -The 5mg/l brine electrolysis | 3.0 | 1.5 | 4.8 | Do not detect |
| Cl -The 17mg/l brine electrolysis | 7.0 | 5.0 | 4.8 | Do not detect |
[table 6]
| Hypochlorous acid concentration (mg/l) | Ammonia concentration (ppm) | |||
| Before the bubbling | Behind the bubbling | Before the bubbling | Behind the bubbling | |
| Cl - -5mg/l water | 0 | 0 | 4.8 | 0.5 |
| Cl - -The 5mg/l brine electrolysis | 2.4 | 4.3 | 4.8 | Do not detect |
| Cl -The 17mg/l brine electrolysis | 7.0 | 15.0 | 4.8 | Do not detect |
According to above result, by using Cl as experiment water
-5mg/l brine electrolysis and Cl
-The 17mg/l brine electrolysis just can be at the utmost point in the short time, only by bubbling in experiment water hydrogen sulfide and methyl mercaptan and ammonia is decomposed.
In the washing toilet 8 of present embodiment, the foul smell of bubbling becomes branch to be contained electrolytic hypochlorous brine electrolysis decomposition in electrolytic cell 23 as described above.In addition, if utilize the electrode for electrolysis 24,25 of embodiment, then owing in the aqueous solution, also producing oxygen, hydrogen peroxide or hydrogen peroxide active group, superoxides active group (O because of electrolysis
2 -), hydroxyl activity base (OH), singlet state oxygen activity base (' O
2), therefore utilize them also can be with ozone composition resolution process contained in the air that sprays in the water in electrolytic cell 23.And, to the energising of described electrode for electrolysis 23,24 not shown hypochlorous acid concentration sensor, ozone concentration sensor etc. can be set also, reach under the situation of set-point at the detected value of these various concentration sensors, carry out the control that stops electrolysis.
In addition, in the electrolysis unit 20 of the present invention, the foul smell composition that rises though in electrolytic cell 23, become bubble be decomposed and the odorless change air contain hypochlorous acid or ozone etc., but flick on these electrolytic cell 23 tops, by top not shown air outlet is set at electrolytic cell 23, will be with hypochlorous acid contained in the described spittle that has flicked etc. to the indoor discharge of toilet.Like this, the contained processing that can't also can be decomposed with the foul smell composition that foul smell adsorbent equipment 100 reclaims in the ambient air, and can carry out airborne sterilization.
In addition, in described foul smell composition resolution model, described brine electrolysis in the electrolytic cell 23 after the foul smell composition decomposes by the not shown washing flow through with the water that is used to make the washing usefulness that is stored in the closet 2 in the hopper 4 with lever or washing with switch etc. linkedly, or every preset time ground valve 31 is opened by control device 22, and process brine electrolysis stream 27 flows out the full dose or the specified rate of the brine electrolysis in the electrolytic cell 23 from flow export 28A, will clean in the closet 2 with the water of described washing usefulness.Like this, will utilize hypochlorous acid contained in the described brine electrolysis etc. to carry out bleaching, cleaning, deodorizing, sterilization of closet 2 etc., compare with the situation of as common washing toilet, only cleaning in the closet 2, can improve the cleansing power of closet with the water of described washing usefulness.
And, described valve 31 is in the detected testing agency that is using among the described closet 2, the for example not shown seating sensor on toilet seat, detect under the situation of described closet 2 among using, also can the brine electrolysis in the electrolytic cell 23 be flowed in the closet 2 every the given open certain hour in time ground.
In addition, the Lukewarm water cleaning device 30 of present embodiment is owing to can be as described above become Ozone Water with electrolysis unit 55 electrolysis with described water with the water conservancy of water jet 51 before the body local water spray from the head end of being located at shower nozzle 52, therefore the body local periphery is just by ozone sterilization, and can expect producing effect in the treatment of hemorrhoid etc.
[embodiment 2]
Fig. 2 has represented as possessing of embodiments of the invention 2 the summary pie graph of the washing toilet 8 of odor removal 1.And it is identical or be the same function of performance, the part of effect to be endowed the part of the symbol identical with described embodiment 1 in Fig. 2.At this moment, except adsorption element 11 is set in circulating path 14 rotating mechanism such as cancellation described motor etc., foul smell stream 15 and circulating path 14 is communicated with, and is provided with beyond lid 32A, the 32B on this foul smell stream 15 and part that circulating path 14 is connected, is identical formation with described embodiment 1.And, though the described adsorption element 11 of present embodiment does not have rotating mechanism, but further improve adsorption element 11 to the absorption of foul smell composition and emit under the situation of ability, the revolving adsorption element 11 identical with described embodiment 1 also can be set in circulating path 14.
In the present embodiment, be located at the interior adsorption element 11 of circulating path 14 by the foul smell of the washing toilet of fan 12 suction as previously mentioned because of passing, described foul smell collected and be adsorbed member 11 from foul smell intake 29.
In addition, by utilizing control device 22 that lid 32A, 32B is open in deodorization mode, on adsorption element 11, adsorb foul smell, and control device 22 when finishing, this deodorization mode is about to lid 32A, 32B and cuts out immediately.Thereafter, though carry out foul smell composition resolution model, but carry out the action identical this moment with described embodiment 1, promptly utilize fan 16 with the air circulation in the circulating path 14, and adsorption element 11 is heated by heater 13 warmed-up described air, regeneration, this adsorption element 11 is emitted adsorbed foul smell composition.After this, the odorous substance of being emitted is wrapping high temperature air and is being aspirated by air pump 19 in the upper reaches of restriction 17 part, is taken into to be taken in the pipeline 18, through one way valve 21, is fed to diffuser 26.Utilize this formation, also can collect the foul smell composition of washing toilet, utilize electrolysis to carry out resolution process.In addition, identical with described embodiment 1 thereafter, also utilize brine electrolysis in the electrolytic cell 23 to carry out the cleaning etc. of closet 2.
And, possessed in the washing toilet 8 of odor removal 1 of present embodiment, for example in foul smell composition resolution model, from adsorption element 11, emit under the situation of foul smell composition, owing to also adsorption element 11 is accommodated in the circulating path 14, therefore just can avoid foul smell composition that this quilt emits once more to the problem of the indoor diffusion of toilet, and do not need the rotating mechanism of adsorption element 11 etc., so just can be with odor removal 1 miniaturization of the present invention.
[embodiment 3]
Below, Fig. 3 and Fig. 4 have represented as possessing of embodiments of the invention 3 the summary pie graph of the washing toilet 8 of odor removal 1.And it is identical or be the same function of performance, the part of effect to be endowed the part of the symbol identical with described embodiment in Fig. 3 and Fig. 4.At this moment, brine electrolysis stream 27 except flow export 28A, also branches into identical 28B and identical 28C at the dirty part place of valve 31, in addition, constitutes identical with described each embodiment.
Like this, possessed in the washing toilet 8 of odor removal 1 of present embodiment, because the brine electrolysis from electrolytic cell 23 flows in the closet 2 along 3 directions from flow export 28A, 28B, 28C, therefore with as described each embodiment, only utilize flow export 28A the situation of cleaning in the closet 2 etc. to be compared with brine electrolysis, just more homogeneous and with wide region more to cleaning in the closet 2 etc.And, in the present embodiment,, can certainly increase and decrease the flow export number as required though described flow export is made as 28A, 28B, these 3 positions of 28C.
[embodiment 4]
Fig. 5 and Fig. 6 have represented as possessing of embodiments of the invention 4 the summary pie graph of the washing toilet 8 of odor removal 1.And it is identical or be the same function of performance, the part of effect to be endowed the part of the symbol identical with described embodiment in Fig. 5 and Fig. 6.At this moment, among Fig. 5 and Fig. 6 with the electrolysis units of 40 expressions except with the electrolysis unit 20 of described each embodiment local different, for the identical formation of described each embodiment.That is, the electrolysis unit 40 of present embodiment replaces the electrolytic cell 23 of described each embodiment, and the electrolytic cell of hopper 4 as electrolysis unit 40 used.
Like this, possessed in the washing toilet 8 of odor removal 1 of present embodiment, can not be used in electrolytic cell 23 is set in the electrolysis unit 40 in addition, and the hopper 4 that will be located in the common washing toilet similarly utilizes as described electrolytic cell 23, thus can be with odor removal 1 further miniaturization.In addition, in the present embodiment, owing in hopper 4, carry out electrolysis, therefore will generate in the water in hopper 4 and contain hypochlorous brine electrolysis, thereby can prevent mould in the hopper 4 or the breeding of bacterium etc., and then can will keep clean in the hopper 4, and further carry out the indoor deodorizing of toilet.
And, in the present embodiment, also can utilize the switching of valve 31 in the same manner, when washing or utilize the cleaning of the closet 2 that brine electrolysis carries out every preset time with described each embodiment at every turn.
[embodiment 5]
Fig. 7 has represented as possessing of embodiments of the invention 5 the summary pie graph of the washing toilet 8 of odor removal 1.And it is identical or be the same function of performance, the part of effect to be endowed the part of the symbol identical with described embodiment in Fig. 7.
The foul smell that produces in the toilet in washing of the odor removal 1 of the embodiment of this moment is taken into pipeline 18 through foul smell stream 15 from what foul smell intake 29 utilized the running of air pump 19 to be inhaled into to be provided with one way valve 21, and is sent to diffuser 26.After this, the air that contains the foul smell composition that is sent to this diffuser 26 in electrolytic cell 23, with described each embodiment in the same manner, carried out the resolution process of foul smell composition by brine electrolysis.
Utilize above formation, in the present embodiment, just can not use described adsorption element 11 etc., and the foul smell that will wash toilet removes.Like this, just can realize further miniaturization, the cost degradation of odor removal 1.
But, under this situation, as mentioned above, need be for by hydrogen sulfide, methyl mercaptan, the foul smell that ammonia etc. cause is in closet 2 or the foul smell of the indoor generation of toilet, at once utilize not shown foul smell sensor senses or utilize the not shown seating sensor on toilet seat 3 to wait the use of perception washing toilet, perhaps utilize manual switch, control device 22 drives air pump 19, and electrode for electrolysis 24 to electrolysis unit 20,25 energisings, described foul smell is imported the electrolytic cell 23 of electrolysis unit 20, common at every turn making when washing toilet with water all will be carried out the running of electrolysis unit 20, thereby the situation as the running efficiency reduction of electrolysis unit is arranged.But, as previously mentioned, can realize the significantly miniaturization or the cost degradation of odor removal 1, utilize mode of occupation certainly and become effective.
And, in the present embodiment,, for example also can use fan to aspirate the foul smell of washing toilet though utilize air pump 19 to aspirate the foul smell of washing toilet.
[embodiment 6]
Fig. 8 has represented as possessing of embodiments of the invention 6 the summary pie graph of the washing toilet 8 of odor removal 1.And it is identical or be the same function of performance, the part of effect to be endowed the part of the symbol identical with described embodiment in Fig. 8.The odor removal 1 of this moment is in the odor removal 1 of described embodiment 5, and being taken in the pipeline 18 between one way valve 21 and diffuser 26 possesses surge tank 33 and blast gate 34.
Like this, in the odor removal 1 of present embodiment, the adsorption section that no matter whether possesses adsorption element 11 foul smell such as grade can store preset time or specified rate with the foul smell that produces in the washing toilet, the foul smell that can as required this be stored utilizes electrolysis unit 20 to decompose.Promptly, the odor removal 1 of present embodiment as mentioned above, by utilizing not shown foul smell sensor senses in closet 2 or the foul smell that causes such as the hydrogen sulfide that produces when using of the indoor generation of toilet, methyl mercaptan, ammonia by the washing toilet, or utilize to the seating sensor of toilet seat 3 etc. and the use of perception washing toilet, perhaps utilize manual switch, control device 22 drives air pump 19, and blast gate 34 sealings, just described foul smell can be stored in surge tank 33, the foul smell that this quilt has stored as mentioned above, by being sent to electrolysis unit 23 as required, just can decompose.Like this, just adsorption element 11 etc. can be set, and store foul smell, thereby can control the running of electrolysis unit 20 as required, and then can realize that further saving can quantize, the miniaturization of odor removal 1.
And, among described each embodiment, though the cleaning that utilizes brine electrolysis to carry out from the outflow of electrolytic cell 23 in closet 2 is to carry out under the situation that described foul smell composition resolution model finishes to clean the closet 2 of washing toilet in the back, but be not limited thereto, also can be always every ground preset time, utilize described control device 22 that brine electrolysis is stored in the tap water electrolysis in the electrolytic cell 23, make it flow out specified rate at every turn when cleaning closet 2, carry out the cleaning of closet 2.In addition, by utilizing described foul smell sensor or the not shown seating sensor on toilet seat 3 to wait the use of perception washing toilet, perhaps by the manual switch of operation, the excreta of draining in the subtend closet 2, in the use of washing toilet every the given time or utilize operation such as not shown switch valve 31, described brine electrolysis is flowed out, utilize hypochlorous acid contained in this brine electrolysis etc., just can with the washing toilet use in excremental foul smell directly eliminate, thereby can reduce the washing toilet use the time unpleasant foul smell.
In addition, among described each embodiment, though the so-called foreign formula toilet that has possessed toilet seat 3 is illustrated, but be not limited thereto, at the closet that does not have toilet seat, on the urinal that promptly so-called Japanese toilet or man use etc., also can possess odor removal 1 of the present invention.
In addition, among described each embodiment,, be not limited thereto, also can use carbon etc. though the material of electrode for electrolysis 24,25 is made as platinum one iridium class.In addition, among described each embodiment, though as the foul smell composition hydrogen sulfide, methyl mercaptan, ammonia are illustrated for exemplifying out, the foul smell composition of enough odor removal 1 deodorizing of the present invention of energy is not limited thereto certainly.
Claims (10)
1. washing toilet possesses closet and is used for water washing mechanism to washing in this closet, it is characterized in that possessing:
Be provided with pair of electrodes and storage of water electrolytic cell,
Be used for to the energising of described pair of electrodes power supply,
Be used to aspirate excremental foul smell the foul smell aspirating mechanism,
Be used for foul smell feed mechanism that the described foul smell that utilizes the suction of described foul smell aspirating mechanism is supplied with in described electrolytic cell,
By utilizing described power supply to described electrifying electrodes, in described electrolytic cell, generate brine electrolysis, utilize this brine electrolysis that described foul smell is removed.
2. washing toilet according to claim 1 is characterized in that:
Also possess: be used to adsorb the adsorption element of the described foul smell that utilizes the suction of described foul smell aspirating mechanism and be used for will being adsorbed on the heater that the foul smell on this adsorption element is emitted by heating this adsorption element,
To utilize described foul smell feed mechanism in described electrolytic cell, to supply with and deodorizing by the foul smell that described adsorption element is emitted.
3. washing toilet according to claim 1 and 2 is characterized in that, from the position below half of the height of described electrolytic cell, described foul smell is supplied with in this electrolytic cell.
4. washing toilet according to claim 1 and 2 is characterized in that, storing in described electrolytic cell has under the state of brine electrolysis, utilizes described foul smell feed mechanism to supply with described foul smell in described electrolytic cell.
5. washing toilet according to claim 1 and 2, it is characterized in that possessing: make interior described water of described electrolytic cell or described brine electrolysis flow to the stream in the described closet and be located in this stream and be used to control whether to make described water or described brine electrolysis flow to the interior valve of described closet.
6. washing toilet according to claim 5 is characterized in that, is provided with the lever or the switch that are used to make the washing usefulness in the described closet of current direction in described water washing mechanism, described valve be with described lever or switch linkedly by opening.
7. washing toilet according to claim 5, it is characterized in that, also possess and detect described closet and be in testing agency among the use, utilizing this testing agency to detect under the situation of described closet among using, every the given time with the open certain hour of described valve.
8. washing toilet according to claim 5 is characterized in that, has possessed the hand switch that is used for the open certain hour of described valve.
9. deodorizing method of washing toilet has water and comprises and supply with excremental foul smell in the electrolytic cell of the electrode pair that the mode in this water that is immersed in according at least a portion is provided with and deodorizing is characterized in that to storage,
Before in described electrolytic cell, supplying with foul smell or in supplying with or before supplying with back or foul smell and supplying with and in supplying with or foul smell supply with before and supply with back or foul smell supply with in and supply with back or foul smell and supply with before and supply with in and supply with after, by switching on to described electrode pair, in described electrolytic cell, generate brine electrolysis, utilize this brine electrolysis that foul smell composition contained in the described foul smell is decomposed.
10. the deodorizing method of washing toilet according to claim 9 is characterized in that, cleaning, sterilization and the deodorizing of carrying out this closet in the closet by described brine electrolysis is flowed to.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004283979 | 2004-09-29 | ||
| JP2004283979A JP2006097311A (en) | 2004-09-29 | 2004-09-29 | Flush toilet and deodorizing method of flush toilet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1755021A CN1755021A (en) | 2006-04-05 |
| CN100373015C true CN100373015C (en) | 2008-03-05 |
Family
ID=36097359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005101099528A Expired - Fee Related CN100373015C (en) | 2004-09-29 | 2005-09-20 | Flush toilet and deodorizing method of the same |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20060064805A1 (en) |
| JP (1) | JP2006097311A (en) |
| CN (1) | CN100373015C (en) |
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| TWI673413B (en) * | 2017-10-10 | 2019-10-01 | 日商夏普股份有限公司 | Mold suppression device and flush toilet device |
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| JP5601570B2 (en) * | 2009-08-06 | 2014-10-08 | Ｔｏｔｏ株式会社 | Sanitary washing device |
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| JP5093762B2 (en) * | 2010-07-28 | 2012-12-12 | Ｔｏｔｏ株式会社 | Sanitary washing device |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP2006097311A (en) | 2006-04-13 |
| CN1755021A (en) | 2006-04-05 |
| US20060064805A1 (en) | 2006-03-30 |
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