CN2641019Y

CN2641019Y - Autoamtic purifier of liquid storage pool

Info

Publication number: CN2641019Y
Application number: CN 03273425
Authority: CN
Inventors: 文明华
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-08-14
Filing date: 2003-08-14
Publication date: 2004-09-15
Anticipated expiration: 2013-08-14

Abstract

The utility model relates to a solution reservoir auto-purifying device which comprises a solution reservoir, a filth sucking and filtering device and a washing apparatus. The utility model is characterized in that the filth sucking and filtering device has a filth sucking container which is arranged next to the bottom of the solution reservoir, and a filtering pump as well as a filtering container which are connected with the filth sucking container and are arranged outside the solution reservoir. The washing apparatus has a washing liquid sucking container, a washing pump and a washing device; the washing liquid sucking container is arranged in the solution reservoir and connected with the washing pump which is arranged outside the solution reservoir. A liquid outlet of the washing pump is connected with the washing device and the washing device is arranged on the bottom of the solution reservoir. The utility model adopts a structure of a separated filter pump and washing pump, changing the still liquid into circularly flowing liquid reliably by the affection of the filter pump and the washing pump, and the still liquid changes into clean and healthy liquid after filtered by the filtering container and then flows back to the solution reservoir thus the secondary pollution of the liquid in the solution reservoir can be avoided and purifying effect can be improved.

Description

A kind of liquid storage pool self-purging device

Technical field

The utility model relates to a kind of liquid storage pool refining plant, the refining plant that particularly a kind of liquid storage pool that is applicable to secondary pollution is used.

Background technology

At present, holding in the oil sump of water reservoir or oil depot, water quality or butyrous secondary pollution problem are the ubiquity and the problems that always can't effectively solve in the life, particularly at the height of secondary water-supply, in, in the tap water water reservoir on lower building roof, because according to the fire-fighting requirement, must guarantee the water for fire-fighting purpose of a constant volume, the user makes water can only use the water of the above position of service pipe, pond, the following water for fire-fighting purpose of its user's water pipe is not often used, form the slough easily, impurity will appear in time one length, pollutents such as red worm and cause the secondary pollution of water quality, influence domestic water quality, can make water quality necessarily be improved although regularly water reservoir is cleaned with sterilization and disinfection, clean and to produce pollution again soon after.At this situation, the patent No. is that the Chinese patent of ZL99236610 discloses pond, a kind of roof refining plant, employing is provided with a filter tank in the outside in pond, water pump, and at the water tank that links to each other and be provided with a siphon pipe and in the pond, build a back flushing filter tank in addition with the filter tank water inlet pipe on the filter tank, though the pond refining plant of this structure can make the water quality in the pond make moderate progress, but its weak point is: one, use a cover water pump to carry out pump up water and flushing, developing result is bad, and complex structure, install loaded down with trivial details, produce, the use cost height, and need reequip prior pool when installing; Two, its back-purge system can only carry out back flushing to filter tank, and the stationary water of its basin bottom and impurity etc. are become dynamic circulation by abundant activation yet and flow, and purify not thorough; Three, objectionable impuritiess such as precipitation in the water and suspended substance can only be filtered, still contain objectionable impuritiess such as bacterium and other microorganism in the water, influence the healthy of people; Four, the refining plant in the filter tank is that horizontal stratiform is filtered, and filtration velocity is slow, and filter mesh layer easily stops up, so the pond refining plant of this structure does not fundamentally solve the secondary pollution problem in pond, is difficult to be accepted by consumers in general.

Summary of the invention

The purpose of this utility model is to provide a kind of and can automatically the liquid orientation in the liquid storage pool is circulated and purify, can effectively avoid secondary pollution, and liquid storage pool self-purging device simple in structure, reliable, that installation is simple and easy, production cost is low.

On this basis, further purpose of the present utility model is to provide a kind of bacterium that can effectively kill in the water, and increases the oxygen level of water, makes in the filtration vessel the not pond self-purging device of breed bacteria simultaneously.

The utility model further purpose is to provide a kind of and can effectively increases filtration area, accelerates filtration velocity, and effectively guarantees the not susceptible to plugging refining plant of filtering net.

The technical solution of the utility model is achieved in that

A kind of liquid storage pool self-purging device, comprise liquid storage pool, the soil pick-up filtration unit, flushing arrangement, above-mentioned liquid storage pool is provided with fluid inlet, liquid outlet, be characterized in that above-mentioned soil pick-up filtration unit comprises soil pick-up container and the connection soil pick-up container that is installed on close liquid storage pool bottom and is installed on the outer filtration pump of liquid storage pool, filtration vessel, the liquid outlet of above-mentioned filtration vessel communicates with liquid storage pool, above-mentioned flushing arrangement comprises flushing imbibition container, flushing pump, rinser, above-mentioned flushing imbibition vessel assembly links to each other with the fluid inlet of flushing pump outside being installed on liquid storage pool in liquid storage pool and by pipette, the liquid outlet of this flushing pump connects rinser, and above-mentioned rinser is installed on, and at the bottom of the pond position in the liquid storage pool.

For make structure safety and reliability of the present utility model, use convenient; also be provided with the automatic control box of a connection flushing pump, filtration pump on the above-mentioned liquid storage pool; above-mentioned automatic control box is connected filtration vessel by the strainer pressure switch with liquid level switch; thereby make it in use; when filter screen obstruction or water pump lack of water, can realize auto stop; report to the police, wait filter screen to clean and to rework again after back or water pump are full of water, increased the work-ing life of filter core and filtration pump effectively.

For further strengthening developing result, also be provided with the flushing amplifier between the liquid outlet of above-mentioned flushing pump and the fluid inlet of rinser.

When above-mentioned liquid storage pool is water reservoir, in order effectively to suppress growing and killing bacterium in the water of bacterium in the filtration vessel, increase the oxygen level of water simultaneously, also be provided with ozonizer in the above-mentioned automatic control box, and above-mentioned ozonizer is provided with the ozonizer of a connection filtration vessel.

For further improving decontamination effect improving, above-mentioned filtration vessel is socketed to form mutually by grade one filter, secondary filter, makes liquid can pass through cascade filtration, thoroughly removal of contamination.

In order effectively to increase the filtration area of refining plant in the filtration vessel, accelerate filtration velocity and guarantee that effectively filter screen is difficult for stopping up, above-mentioned refining plant comprises filter core, described filter core comprises bracing frame, tubular filter screen and is installed on sealing member on the bracing frame, support frame as described above is by upper and lower fabricated section and be connected between two fabricated sections and form along two fabricated section peripheral radial settings and vertically disposed some strut members, described tubular filter screen is close on the above-mentioned strut member, and its two ends compress to seal along the fabricated section tension and by sealing member and form radially star rugosity arrangement.

The utility model is owing to adopt at the soil pick-up filtration unit, independently filtration pump and flushing pump structure are installed respectively in the flushing arrangement, thereby make the utility model can be under the effect of above-mentioned filtration pump and flushing pump, reliably the inactive liquid at the bottom of the pond is fully activated, become the liquid that circulates dynamically, and filter and after becoming the liquid of clean hygiene through filtration vessel, be back in the liquid storage pool again, avoided the secondary pollution of liquid in the liquid storage pool effectively, improved decontamination effect improving, and it is simple in structure, install simple and easyly, need not reequip original liquid storage pool, produce, use cost is low.The structure of automatic control box of setting up simultaneously and flushing amplifier not only make more convenient, the safety and reliability of its use, and fluid purification is more thorough.In addition when above-mentioned liquid storage pool is the pond, the ozonizer of setting up in the automatic control box can effectively suppress growing of bacterium in the filtration vessel, has killed the bacterium in the water simultaneously, has increased the oxygen level of water, makes water quality more clean, sanitary.And because the refining plant in strainer and the liquid storage pool liquid inlet and outlet adopts radially starriness filtration, effectively increase the filtration area of refining plant in the filtration vessel, quickening filtration velocity and filter screen are unpicked and washed, are changed conveniently, use cost is low.The purification that water reservoir that the utility model is simple in structure, easy to use, practical, can be widely used in various secondary pollutions or oil depot hold liquid in the oil sump.

Below in conjunction with accompanying drawing the utility model is further described.

Description of drawings

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is the structural representation of filter core embodiment I in the refining plant of the present utility model;

Fig. 3 is the A-A sectional view of Fig. 2;

Fig. 4 is the structural representation of filter core embodiment II in the refining plant of the present utility model;

Fig. 5 is the B-B cut-away view of Fig. 4;

Fig. 6 is the structural representation of filter core embodiment III in the refining plant of the present utility model.

Embodiment

As shown in Figure 1, the utility model comprises liquid storage pool 1, soil pick-up filtration unit 2, flushing arrangement 3, above-mentioned liquid storage pool 1 is provided with fluid inlet 11, liquid outlet 12, for avoiding the secondary pollution of liquid in the liquid storage pool 1, guarantee liquid mass, above-mentioned soil pick-up filtration unit 2 comprises the soil pick-up container 21 that is installed on close liquid storage pool 1 bottom and connects soil pick-up container 21 and be installed on filtration pump 22 outer on the liquid storage pool 1, filtration vessel 23, the liquid outlet 231 of above-mentioned filtration vessel 23 communicates with liquid storage pool 1, above-mentioned flushing arrangement 3 comprises flushing imbibition container 31, flushing pump 32, rinser 33, and above-mentioned flushing imbibition container 31 is installed in the liquid storage pool 1 and by pipette 35 and links to each other with the fluid inlet 36 of flushing pump 32, the liquid outlet 37 of this flushing pump 32 connects rinser 33, and above-mentioned rinser 33 is installed on, and at the bottom of the pond position in the liquid storage pool 1, thereby the utility model can be imported the liquid in the liquid storage pool 1 in the flushing imbibition container 31 under the effect of flushing pump 32, by flushing pump 32 and rinser 33 impurity such as inactive liquid at the bottom of the pond and precipitation are rushed at direction at the bottom of the pond that soil pick-up container 21 is housed again, above-mentioned soil pick-up container 21 can import liquid at the bottom of the impure pond in the soil pick-up container 21 under the effect of filtration pump 22, and deliver to be installed on filter the liquid that becomes clean hygiene in the outer filtration vessel 23 of liquid storage pool 1 after, be back to again in the liquid storage pool 1, thereby inactive liquid and impurity at the bottom of the pond are fully activated, become the liquid that circulates dynamically, avoided the secondary pollution of liquid in the liquid storage pool 1, improved decontamination effect improving, and it is simple in structure, install simple and easy, need not reequip original liquid storage pool 1, produce, use cost is low, the surging force of its withdrawing fluid can be driven into the impurity such as suspended substance on the face of pond in the liquid again simultaneously, remove by 21 importings of soil pick-up container, further improved decontamination effect improving.And owing to adopt the independently structure of filtration pump 22 and flushing pump 32, can make the utility model in flushing, can carry out soil pick-up again and filter, the liquid orientation of liquid storage pool 1 is circulated and purifies, thoroughly remove the liquid impurity in the liquid storage pool 1.Be equipped with the sewage absorpting heat and the flushing imbibition head of some slotted eyes around above-mentioned soil pick-up container 21 and flushing imbibition container 31 general the employings.Position and mode that simultaneously above-mentioned soil pick-up container 21 and flushing imbibition container 31 are installed in the liquid storage pool 1 are varied, as above-mentioned soil pick-up container 21 and flushing imbibition container 31 together being packed into a bottom end opening and being provided with in it in liquid-suctioning tank of dividing plate of a band fluid inlet, and above-mentioned soil pick-up container 21 is installed in the position upper end of dividing plate top near fluid inlet, above-mentioned flushing imbibition container 31 is positioned at the other end of dividing plate, the characteristics of this structure are that suction is big, but the production cost height; For further making the liquid impurity in the liquid storage pool 1 thoroughly dashed and dispose, and production cost is low, above-mentioned soil pick-up container 21 and flushing imbibition container 31 are installed on respectively in the liquid storage pool 1 near position, a wall angle, and a little higher than above-mentioned soil pick-up container 21 positions, the position of above-mentioned flushing imbibition container 31, wherein above-mentioned rinser 33 can be the some washpipes that are installed on that 1 end of liquid storage pool is arranged in parallel and are oppositely arranged with above-mentioned soil pick-up container 21; For further strengthening its developing result, above-mentioned rinser 33 comprises the diagonal position that is installed on above-mentioned soil pick-up container 21 and is fan shape near the syringe pipe 331 at liquid storage pool 1 underside wall angle and Yan Bijiao and is installed on some flooding nozzles 332 on the syringe pipe 331, to make a part of impurity be flushed to the bottom surface corner location that is positioned at soil pick-up container 21 belows in the liquid storage pool 1 when avoiding washing, both sides flooding nozzle on the above-mentioned syringe pipe 331 is the flushing arm 333 with liquid storage pool 1 bottom surface, two adjacent edge angle adapting devices and front end band wall angle bending head, and this flushing arm 333 is oppositely arranged with soil pick-up container 21.For making structure safety and reliability of the present utility model, use convenient, also be provided with one on the above-mentioned liquid storage pool 1 and connect flushing pump 32, the automatic control box 4 of filtration pump 22, above-mentioned automatic control box 4 is connected filtration vessel 23 by strainer pressure switch 5 with liquid level switch 6, thereby make it can be in use, when filter screen obstruction or water pump lack of water, can pass the signal to automatic control box 4 by strainer pressure switch 5 or liquid level switch 6, automatic control box 4 will make filtration pump 22 quit work, and report to the police, by the time flushing, change behind the filter screen or water pump can be reworked after being full of water, work on when having avoided stopping up because of filter screen, so that pressure is excessive, shortened the work-ing life of filter core 81, and work on during because of the water pump lack of water and burn out the generation of phenomenons such as motor, increased the work-ing life of filter core 81 and filtration pump 22.Also micro computer time control switch or photoswitch and the time relay can be set in the above-mentioned automatic control box 4 simultaneously, make filtration pump 22 and flushing pump 32 by day or night hour wheel change jobs and have a rest, overheated the burning out of avoiding filtration pump 22 and flushing pump 32 to cause owing to working long hours.And be further to strengthen developing result, also being provided with flushing amplifier 34 between the liquid outlet 37 of above-mentioned flushing pump 32 and the rinser 33, this flushing amplifier 34 can amplify the pressure of rinsing liq, makes developing result better.For further improving decontamination effect improving, above-mentioned filtration vessel 23 is socketed to form mutually by grade one filter 232, secondary filter 233, be provided with activated carbon filter layer or filter cotton layer in the above-mentioned grade one filter 232, be provided with refining plant 8 in the above-mentioned secondary filter 233, make contaminated liquids can pass through multi-filtering, guaranteed the clean of liquid, health.For further improving the decontamination effect improving of flowing liquid in the liquid storage pool 1, fluid inlet 11, the liquid outlet 12 of above-mentioned liquid storage pool 1 all can be provided with refining plant 8.In order effectively to increase filtration area, accelerate filtration velocity, above-mentioned refining plant comprises filter core 81, described filter core 81 comprises bracing frame, tubular filter screen 82 and is installed on sealing member 83 on the bracing frame, support frame as described above is by upper and lower fabricated section and be connected between two fabricated sections and form along two fabricated section peripheral radial settings and vertically disposed some strut members, described tubular filter screen 82 is close on the above-mentioned strut member, and its two ends compress to seal along the fabricated section tension and by sealing member 83 and form radially star rugosity arrangement.As shown in Figures 2 and 3, be the above-mentioned embodiment I that crosses filter core 81, this refining plant 8 be mainly used in liquid from outside filter inward, above-mentioned bracing frame is by two annular fabricated sections 8121 and somely be connected vertically disposed between the two annular fabricated sections 8121 and form along the strut member 8122 that annular fabricated section 8121 peripheries are provided with outwardly, wherein above-mentioned tubular filter screen 82 is close to each strut member 8122 outer end, its two ends compress to seal along annular fabricated section 8121 tensions and by sealing member 83 and form radially star rugosity arrangement, above-mentioned sealing member 83 can be wear ring, also can be sealing plate.As shown in Figure 2, unpick and wash for making above-mentioned filter core be used for the more need of impurity, when changing the situation of filter screen 82, above-mentioned filter core two ends are provided with sealing-ring 84, pressing plate 85, web member 86, the two ends of above-mentioned tubular filter screen 82 strain respectively and be pressed on above-mentioned bracing frame on, down between annular fabricated section 8121 and the sealing member 83, its edge from the middle fluid inlet of sealing member 83 or liquid outlet edge left-hand thread on sealing member 83, above-mentioned sealing-ring 84 is pressed on filter screen 82 edges on the sealing member 83, and pass through web member 86 with on the filter core, press table 85 is fixed and tubular filter screen 82 is sealed, and it changes conveniently, filter screen 82 can change; When it was used for unpicking and washing the situation of changing filter screen, available binding agent sticked together above-mentioned filter screen 82, sealing plate 83, strut member 8122 threes securely.The shape of above-mentioned in addition strut member 8122 can be varied, can be unit of plastic as above-mentioned strut member 8122; Be further to increase filter space, above-mentioned strut member 8122 also can be and is bent into "] " the bending bar of shape, its both ends are installed on respectively on the periphery of fabricated section 8121.As Fig. 4 and shown in Figure 5, be the above-mentioned embodiment II that crosses filter core, this refining plant 8 is mainly used in liquid and from inside outwards filters, the difference of this embodiment and embodiment I is: above-mentioned bracing frame is by two annular fabricated sections 8111 and somely be connected vertically disposed between the two annular fabricated sections 8111 and form along the strut member 8112 that annular fabricated section 8111 peripheries are provided with inwardly, and wherein above-mentioned tubular filter screen 82 is close to each strut member 8112 the inner.For the above-mentioned filter core 81 of crossing is changed conveniently, the two ends of above-mentioned filter core 81 are provided with sealing-ring 84, pressing plate 85, web member 86, the two ends of above-mentioned tubular filter screen 82 are pressed on respectively between the upper and lower annular fabricated section and sealing member of above-mentioned bracing frame, its edge is from outer left-hand thread in sealing member on 83, above-mentioned sealing-ring 84 is pressed on tubular filter screen 82 edges, and passes through web member 86 with fabricated section and the pressing plate 86 fixing tubular filter screens 82 that seal.As shown in Figure 6, be the above-mentioned embodiment III that crosses filter core, for further strengthening the reasonable of the utility model structure, reliability, enlarge its range of application, making it both can be used for liquid from inside outwards filters, can be used for again liquid from outside filter inward, the key distinction of this embodiment and embodiment I and embodiment II is: above-mentioned bracing frame is by mutual belled inner support 812, outer support 811 is formed, wherein outer support 811 is by two annular fabricated sections 8111 with somely be connected vertically disposed between the two annular fabricated sections 8111 and form along the strut member 8112 that annular fabricated section 8111 peripheries are provided with inwardly, above-mentioned inner support 812 is by two annular fabricated sections 8121 and somely be connected vertically disposed between the two annular fabricated sections 8121 and form along the strut member 8122 that annular fabricated section 8121 peripheries are provided with outwardly, above-mentioned tubular filter screen 82 is close to outer support 811 inboard and inner support 812 outsides, above-mentioned inner support 812 is installed in the above-mentioned tubular filter screen 82, and the strut member 8122 of described

inner support

812 and 8112 prefaces of the strut member of outer support 811 shift to install, and above-mentioned tubular filter screen 82 two ends compress to seal along annular fabricated section 8111 tensions and by sealing member 83 and form radially star rugosity arrangement.And when above-mentioned liquid storage pool 1 is water reservoir, in order effectively to kill the bacterium in the water and to suppress the growths of bacteriums in the filtration vessel 23, increase the oxygen level of water simultaneously, also be provided with ozonizer in the above-mentioned automatic control box 4, and above-mentioned ozonizer is provided with the ozonizer 7 of a connection filtration vessel 23, in use, starts ozonizer, can by automatic control box 4 in filtration vessel 23 on time fill ozone, further guaranteed the clean, sanitary of water quality.The utility model is simple in structure, production, use cost are low, and purification easy to use, reliable, practical, that can be widely used in liquid in the various liquid storage pools 1.

Claims

1, a kind of liquid storage pool self-purging device, comprise liquid storage pool (1), soil pick-up filtration unit (2), flushing arrangement (3), above-mentioned liquid storage pool (1) is provided with fluid inlet, liquid outlet (12), it is characterized in that above-mentioned soil pick-up filtration unit (2) comprises soil pick-up container (21) and the connection soil pick-up container (21) that is installed on close liquid storage pool (1) bottom surface and is installed on the outer filtration pump (22) of liquid storage pool (1), filtration vessel (23), the liquid outlet (231) of above-mentioned filtration vessel (23) communicates with liquid storage pool (1), above-mentioned flushing arrangement (3) comprises flushing imbibition container (31), flushing pump (32), rinser (33), above-mentioned flushing imbibition container (31) is installed in the liquid storage pool (1) and by pipette (35) and links to each other with the fluid inlet (36) that is installed on liquid storage pool (1) flushing pump (32) outward, the liquid outlet (37) of this flushing pump (32) connects rinser (33), and above-mentioned rinser (33) is installed on position at the bottom of the interior pond of liquid storage pool (1).

2, liquid storage pool self-purging device according to claim 1, it is characterized in that the outer automatic control box (4) that is provided with a connection flushing pump (32) and filtration pump (22) of above-mentioned liquid storage pool (1), and this automatic control box (4) is connected in above-mentioned filtration vessel (23) by strainer pressure switch (5) and liquid level switch (6).

3, liquid storage pool self-purging device according to claim 1 and 2 is characterized in that being provided with flushing amplifier (34) between the fluid inlet (38) of the liquid outlet (37) of above-mentioned flushing pump (32) and rinser (33).

4, liquid storage pool self-purging device according to claim 1, it is characterized in that above-mentioned soil pick-up container (21) and flushing imbibition container (31) are installed on respectively in the liquid storage pool (1) near position, a wall angle, and a little higher than above-mentioned soil pick-up container in the position of above-mentioned flushing imbibition container (31) (21) position, above-mentioned rinser (33) comprise the diagonal position that is installed on above-mentioned soil pick-up container (21) and be fan shape near the syringe pipe (331) at liquid storage pool (1) underside wall angle and along the wall angle is installed on some flooding nozzles (332) on the syringe pipe (331).

5, liquid storage pool self-purging device according to claim 4, it is characterized in that both sides flooding nozzle on the above-mentioned syringe pipe (331) is the flushing arm (333) with liquid storage pool (1) bottom surface two adjacent edge angle adapting devices and front end band wall angle bending head, and this flushing arm (333) and soil pick-up container (21) are oppositely arranged.

6, liquid storage pool self-purging device according to claim 1, it is characterized in that above-mentioned filtration vessel (23) is socketed to form mutually by grade one filter (232), secondary filter (233), wherein, be provided with activated carbon filter layer or filter cotton layer in the above-mentioned grade one filter (232), be provided with refining plant (8) in the above-mentioned secondary filter (233).

7, liquid storage pool self-purging device according to claim 1 is characterized in that liquid outlet (12), the fluid inlet of above-mentioned liquid storage pool (1) is equipped with refining plant (8).

8, according to claim 6 or 7 described liquid storage pool self-purging devices, it is characterized in that above-mentioned refining plant (8) comprises filter core (81), described filter core (81) comprises bracing frame, tubular filter screen (82) and be installed on sealing member (83) on the bracing frame, support frame as described above is by last, following fabricated section and be connected between two fabricated sections and form along two fabricated section peripheral radial settings and vertically disposed some strut members, described tubular filter screen (82) is close on the above-mentioned strut member, and its two ends compress to seal along the fabricated section tension and by sealing member (83) and form radially star rugosity arrangement.

9, liquid storage pool self-purging device according to claim 8, it is characterized in that above-mentioned bracing frame is by mutual belled inner support (812), outer support (811) is formed, wherein outer support (811) is by two annular fabricated sections (8111) with somely be connected vertically disposed between the two annular fabricated sections (8111) and form along the strut member (8112) that annular fabricated section (8111) periphery is provided with inwardly, above-mentioned inner support (812) is by two annular fabricated sections (8121) and somely be connected vertically disposed between the two annular fabricated sections (8121) and form along the strut member (8122) that annular fabricated section (8121) periphery is provided with outwardly, above-mentioned inner support (812) is installed in the above-mentioned tubular filter screen (82), above-mentioned tubular filter screen (82) is close to inboard and inner support (812) outside of outer support (811), and preface shifts to install between the strut member (8122) of described inner support (812) and the strut member (8112) of outer support (811), and above-mentioned tubular filter screen (82) two ends compress to seal along annular fabricated section (8111) tension and by sealing member (83) and form radially star rugosity arrangement.

10, liquid storage pool according to claim 1 and 2 (1) self-purging device is characterized in that also being provided with ozonizer in the above-mentioned automatic control box (4), and above-mentioned ozonizer is provided with the ozonizer (7) of a connection filtration vessel (23).