CN209057844U - A kind of discharging pollution in pool structure suitable for Landscape Architectural Design - Google Patents

Abstract

The utility model discloses a kind of discharging pollution in pool structures suitable for Landscape Architectural Design, including blowdown tank ontology, hanger is fixedly installed on the top side inner wall of the blowdown tank ontology, the bottom side of hanger is rotatably equipped with positioned at the intrinsic propeller of blowdown tank, blowdown tank ontology offers inlet opening on the side inner wall of propeller, fixed frame is fixedly installed on the top side of blowdown tank ontology and bottom side inner wall, rotating electric machine is fixedly installed on the side inner wall that two fixed frames are located remotely from each other, the output shaft of two rotating electric machines passes through first shaft coupling and is fixedly installed with rotation axis, two rotation axis one end close to each other are fixedly installed with rotating disk.The structure design of the utility model is reasonable, easy to use, can clean while filtering contaminants to the surface of filtering net cylinder, effectively prevents pollutant blocking, avoids the decline of discharging pollution in pool efficiency, meet the use demand of user.

Description

A kind of discharging pollution in pool structure suitable for Landscape Architectural Design

Technical field

The utility model relates to discharging pollution in pool technical fields, and in particular to a kind of pond row suitable for Landscape Architectural Design Dirty structure.

Background technique

The sedimentation basins bottoms such as traditional pond fish body excreta, residual erbium, aquatile corpse rot, decompose release nitrogen, phosphorus, potassium, The poisonous and harmful substances such as hydrogen sulfide destroy aquatic environment, influence fish growth；Place is not added in water fish medicine, disinfecting drug etc. simultaneously Comprehend and be enriched in fish body, influences fish quality.

The patent of Publication No. CN207235849U discloses a kind of discharging pollution in pool structure of Landscape Architectural Design, passes through Filtering screen is filtered sewage, to purify to water, and propeller can not only push pollution discharge structure to move forward, also Sewage can be pulled over to filtering screen rear, thus accelerate the rate of filtration of sewage, but the Patent equipment was actually using It being found in journey, for filtering screen while filtering contaminants, pollutant also easily blocks filtering screen, so that filter effect is influenced, Therefore, every work just needs the pull-up device for a period of time, cleans to filtering screen, time-consuming and laborious, is unfavorable for pond row The promotion of dirty efficiency, on this basis, we provide a kind of discharging pollution in pool structure suitable for landscape circle woods design, the structures Design is rationally, easy to use, can clean to the surface of filtering net cylinder while filtering contaminants, effectively prevent dirt Object blocking is contaminated, the decline of discharging pollution in pool efficiency is avoided, meets the use demand of user.

Utility model content

(1) technical problems to be solved

In order to overcome the shortage of prior art, it is proposed that a kind of discharging pollution in pool structure of Landscape Architectural Design needs to solve Problem: for filtering screen while filtering contaminants, pollutant also easily blocks filtering screen, to influence filter effect；It solves Scheme: on this basis, we provide a kind of discharging pollution in pool structures suitable for landscape circle woods design, can be in filtering contaminants While, the surface of filtering net cylinder is cleaned；Reach effect: effectively preventing pollutant blocking, discharging pollution in pool is avoided to imitate The decline of rate meets the use demand of user.

(2) technical solution

The utility model is achieved through the following technical solutions: the utility model proposes one kind to be suitable for Landscape Architectural Design Discharging pollution in pool structure, including blowdown tank ontology is fixedly installed with hanger on the top side inner wall of the blowdown tank ontology, suspends in midair The bottom side of frame is rotatably equipped with positioned at the intrinsic propeller of blowdown tank, and blowdown tank ontology is opened on the side inner wall of propeller Equipped with inlet opening, fixed frame is fixedly installed on the top side of blowdown tank ontology and bottom side inner wall, two fixed frames are located remotely from each other Side inner wall on be fixedly installed with rotating electric machine, the output shaft of two rotating electric machines passes through first shaft coupling and is fixedly mounted There is rotation axis, two rotation axis one end close to each other are fixedly installed with rotating disk, the top side and bottom of the blowdown tank ontology The same filtering net cylinder is fixedly installed on the inner wall of side, there are two upper semi-circle lantern rings for pivot bush unit on filtering net cylinder, and on two The bottom side of semicircle lantern ring is rotatably equipped with lower half circle lantern ring, and two upper semi-circle lantern rings are mutually fitted with two lower half circle lantern rings respectively Match, and the same side of upper semi-circle lantern ring and lower half circle lantern ring is fixedly installed with fixture block, is movably installed in two fixture blocks same A bolt, and the both ends of bolt extend respectively to outside two fixture blocks, the inner wall of two upper semi-circle lantern rings and two lower half circle lantern rings On be fixedly installed with multiple springs, the one end of multiple springs far from two upper semi-circle lantern rings is fixedly installed with upper semi-circle cleaning Lantern ring, one end that multiple springs are respectively further from two lower half circle lantern rings are fixedly installed with lower half circle and clean lantern ring, and upper semi-circle It cleans lantern ring and lower half circle cleans lantern ring side close to each other and contacts with filtering net cylinder, the filtering net cylinder and two fixations The fixed link being respectively and fixedly installed on blowdown tank ontology top side and bottom side inner wall is equipped between frame, and two fixed links are close to mistake The side of screen tube offers through hole.

Further, it is movably installed with motion bar in two through holes, and the both ends of two motion bars extend respectively to Outside two through holes.

Further, two motion bars are rotatably equipped with connecting rod, and two connecting rods close to one end of filtering net cylinder One end close to filtering net cylinder is rotatably installed in two upper semi-circle lantern rings on the side of propeller respectively.

Further, two rotating disk sides close to each other offer circular trough, what two motion bars were located remotely from each other Side is fixedly installed with connecting column, and one end that two connecting columns are located remotely from each other is slidably mounted on respectively in two circular troughs.

Further, through-hole is offered on two fixed frames side inner wall close to each other, and two rotation axis are mutual Close one end extends through two through-holes.

Further, the top side of the blowdown tank ontology is fixedly installed with pull ring, and blowdown tank ontology is close to filtering net cylinder Apopore there are two being opened up on the inner wall of side.

Further, it is fixedly installed with motor on the side inner wall of the blowdown tank ontology, the output shaft of motor passes through the Two shaft couplings are fixedly installed with rotary shaft, and propeller is fixedly mounted on rotary shaft far from one end of motor.

Further, the bottom side of the blowdown tank ontology is separately installed with rear truckle and weight bearing castor, rear truckle and weight bearing The Bubble blowing tube being fixedly mounted on blowdown tank ontology bottom side is equipped between castor, and Bubble blowing tube is to be obliquely installed, Bubble blowing tube and row The inside of dirty case ontology is connected.

(3) beneficial effect

The utility model compared with the existing technology, has the advantages that

1), the beneficial effects of the utility model are: passing through blowdown tank ontology, propeller, rotating electric machine, rotation axis, rotation The mutual cooperation of disk, filtering net cylinder, motion bar, connecting rod, connecting column and apopore, the intrinsic motor of blowdown tank drive spiral shell Paddle rotation is revolved, propeller rotational drives pollutant to rapidly enter in filtering net cylinder, and filtering net cylinder is filtered pollutant, filtering It is external that water afterwards by apopore flows out to blowdown tank sheet, and in the process, two rotating electric machines pass through output shaft respectively and drive Two rotation axis rotations, two rotation axis rotate two rotating disk rotations of drive respectively, and two rotating disks pass through two connecting columns Rotation drives two motion bars to move in the horizontal direction respectively, and two motion bars are mobile respectively to drive two connecting rods mobile, leads to Cross the phase interworking that filtering net cylinder, upper semi-circle lantern ring, lower half circle lantern ring, upper semi-circle cleaning lantern ring, lower half circle clean lantern ring, connecting rod It closes, two connecting rods, two upper semi-circle lantern rings of mobile mobile drive respectively move on filtering net cylinder, two upper semi-circle lantern rings point It Yi Dong not drive two lower half circle lantern rings mobile, at the same time, upper semi-circle cleans lantern ring and lower half circle cleans lantern ring by back and forth Movement cleans the surface of filtering net cylinder, and preventing pollutant to be deposited on the surface of filtering net cylinder influences contaminant removal effectiveness.

2), the structure design of the utility model is reasonable, easy to use, can be while filtering contaminants, to filtering net cylinder Surface is cleaned, and is effectively prevented pollutant blocking, is avoided the decline of discharging pollution in pool efficiency, and the use for meeting user needs It asks.

Detailed description of the invention

Fig. 1 is the structural schematic diagram one of the utility model；

Fig. 2 is the part Figure 1A enlarged structure schematic diagram two in the utility model；

Fig. 3 is the attachment structure schematic diagram three of upper semi-circle lantern ring and lower half circle lantern ring in the utility model；

Fig. 4 is the attachment structure schematic diagram four of motion bar and rotating disk in the utility model.

1- blowdown tank ontology；2- hanger；3- propeller；The inlet opening 4-；5 fixed frames-；6- rotating electric machine；7 rotation axis-； 8- rotating disk；9- filtering net cylinder；10- upper semi-circle lantern ring；11- lower half circle lantern ring；12- fixture block；13- bolt；14- upper semi-circle cleans Lantern ring；15- lower half circle cleans lantern ring；16- spring；17- fixed link；18- through hole；19- motion bar；20- connecting rod；21- circle Shape slot；22- connecting column；23- through-hole；24- pull ring；25- apopore；26- rear truckle；27- weight bearing castor；28- Bubble blowing tube.

Specific embodiment

In the technical program:

9- filtering net cylinder；10- upper semi-circle lantern ring；11- lower half circle lantern ring；12- fixture block；13- bolt；14- upper semi-circle cleans Lantern ring；It is that the utility model contains the innovative component of essence that 15- lower half circle, which cleans lantern ring,.

16- spring；17- fixed link；18- through hole；19- motion bar；20- connecting rod；21- circular trough；22- connecting column； 23- through-hole；24- pull ring；25- apopore；26- rear truckle；27- weight bearing castor；28- Bubble blowing tube is to realize the utility model technology The essential connectivity component of scheme.

In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain The utility model is not used to limit the utility model.

A kind of discharging pollution in pool structure suitable for Landscape Architectural Design, including blowdown tank ontology 1, the top of blowdown tank ontology 1 Hanger 2 is fixedly installed on the inner wall of side, the bottom side of hanger 2 is rotatably equipped with the propeller 3 in blowdown tank ontology 1, Blowdown tank ontology 1 offers inlet opening 4 on the side inner wall of propeller 3, on the top side and bottom side inner wall of blowdown tank ontology 1 It is fixedly installed with fixed frame 5, is fixedly installed with rotating electric machine 6 on the side inner wall that two fixed frames 5 are located remotely from each other, two The output shaft of rotating electric machine 6 passes through first shaft coupling and is fixedly installed with rotation axis 7, two rotation axis 7 one end close to each other It is fixedly installed with rotating disk 8, the same filtering net cylinder 9, mistake are fixedly installed on the top side of blowdown tank ontology 1 and bottom side inner wall There are two upper semi-circle lantern rings 10 for pivot bush unit on screen tube 9, and the bottom side of two upper semi-circle lantern rings 10 is rotatably equipped with lower half Circle lantern ring 11, two upper semi-circle lantern rings 10 are adapted with two lower half circle lantern rings 11 respectively, and upper semi-circle lantern ring 10 and lower half circle The same side of lantern ring 11 is fixedly installed with fixture block 12, and the same bolt 13, and bolt 13 are movably installed in two fixture blocks 12 Both ends extend respectively to outside two fixture blocks 12, it is fixed on the inner wall of two upper semi-circle lantern rings 10 and two lower half circle lantern rings 11 Multiple springs 16 are installed, the multiple one end of spring 16 far from two upper semi-circle lantern rings 10 are fixedly installed with upper semi-circle and clean set Ring 14, one end that multiple springs 16 are respectively further from two lower half circle lantern rings 11 are fixedly installed with lower half circle and clean lantern ring 15, and Upper semi-circle, which cleans lantern ring 14 and lower half circle and cleans the side close to each other of lantern ring 15, to be contacted with filtering net cylinder 9, filtering net cylinder 9 with The fixed link 17 being respectively and fixedly installed on 1 top side of blowdown tank ontology and bottom side inner wall, and two are equipped between two fixed frames 5 Fixed link 17 offers through hole 18 close to the side of filtering net cylinder 9, and the utility model passes through blowdown tank ontology 1, propeller 3, rotating electric machine 6, rotation axis 7, rotating disk 8, filtering net cylinder 9, motion bar 19, connecting rod 20, connecting column 22 and apopore 25 Mutual cooperation, the motor in blowdown tank ontology 1 drives propeller 3 to rotate, and the rotation of propeller 3 drives pollutant to rapidly enter In screen tube 9, filtering net cylinder 9 is filtered pollutant, and filtered water flows out to blowdown tank ontology 1 by apopore 25 Outside, in the process, two rotating electric machines 6 drive two rotation axis 7 to rotate by output shaft respectively, and two rotation axis 7 are distinguished Rotation drives two rotating disks 8 to rotate, and two rotating disks 8 are rotated respectively by two connecting columns 22 and drive two 19 edges of motion bar Horizontal direction is mobile, and two motion bars 19 are mobile respectively to drive two connecting rods 20 mobile, passes through filtering net cylinder 9, upper semi-circle set Ring 10, lower half circle lantern ring 11, upper semi-circle clean lantern ring 14, lower half circle cleans the mutual cooperation of lantern ring 15, connecting rod 20, two companies The two upper semi-circle lantern rings 10 of mobile mobile drive respectively of extension bar 20 move on filtering net cylinder 9, and two upper semi-circle lantern rings 10 are distinguished Mobile to drive two lower half circle lantern rings 11 mobile, at the same time, upper semi-circle cleans lantern ring 14 and lower half circle cleans lantern ring 15 and passes through Move back and forth and the surface of filtering net cylinder 9 is cleaned, preventing pollutant to be deposited on the surface of filtering net cylinder 9 influences blowdown effect Rate, the structure design of the utility model is reasonable, easy to use, can carry out while filtering contaminants to the surface of filtering net cylinder It cleans, effectively prevents pollutant blocking, avoid the decline of discharging pollution in pool efficiency, meet the use demand of user.

Motion bar 19 is movably installed in two through holes 18, and the both ends of two motion bars 19 extend respectively to two Outside through hole 18, two motion bars 19 are rotatably equipped with connecting rod 20, and two connecting rods 20 close to one end of filtering net cylinder 9 One end close to filtering net cylinder 9 is rotatably installed in two upper semi-circle lantern rings 10 on the side of propeller 3 respectively, two rotations The side close to each other of disk 8 offers circular trough 21, and the side that two motion bars 19 are located remotely from each other is fixedly installed with connection Column 22, and one end that two connecting columns 22 are located remotely from each other is slidably mounted on respectively in two circular troughs 21, two fixed frames 5 are mutual Through-hole 23 is offered on close side inner wall, and two one end close to each other of rotation axis 7 extend through two through-holes 23, The top side of blowdown tank ontology 1 is fixedly installed with pull ring 24, and blowdown tank ontology 1 offers on the side inner wall of filtering net cylinder 9 Two apopores 25 are fixedly installed with motor on the side inner wall of blowdown tank ontology 1, and the output shaft of motor passes through second shaft coupling It is fixedly installed with rotary shaft, and propeller 3 is fixedly mounted on rotary shaft far from one end of motor, the bottom side of blowdown tank ontology 1 It is separately installed with rear truckle 26 and weight bearing castor 27, is equipped between rear truckle 26 and weight bearing castor 27 and is fixedly mounted on blowdown tank sheet Bubble blowing tube 28 on 1 bottom side of body, and Bubble blowing tube 28 is to be obliquely installed, Bubble blowing tube 28 is connected with the inside of blowdown tank ontology 1, this Utility model by blowdown tank ontology 1, propeller 3, rotating electric machine 6, rotation axis 7, rotating disk 8, filtering net cylinder 9, motion bar 19, The mutual cooperation of connecting rod 20, connecting column 22 and apopore 25, the motor in blowdown tank ontology 1 drive propeller 3 to rotate, spiral shell The rotation rotation of paddle 3 drives pollutant to rapidly enter in filtering net cylinder 9, and filtering net cylinder 9 is filtered pollutant, and filtered water is logical It crosses apopore 25 to flow out to outside blowdown tank ontology 1, in the process, two rotating electric machines 6 drive two by output shaft respectively Rotation axis 7 rotates, and two rotation axis 7 rotate two rotating disks 8 of drive respectively and rotate, and two rotating disks 8 pass through two connecting columns 22 rotate two motion bars 19 of drive respectively moves in the horizontal direction, and two motion bars 19 are mobile respectively to drive two connecting rods 20 It is mobile, lantern ring 14 is cleaned by filtering net cylinder 9, upper semi-circle lantern ring 10, lower half circle lantern ring 11, upper semi-circle, lower half circle cleans lantern ring 15, the mutual cooperation of connecting rod 20, two connecting rods 20, two upper semi-circle lantern rings 10 of mobile mobile drive respectively are in filtering net cylinder 9 Upper movement, two upper semi-circle lantern rings 10 are mobile respectively to drive two lower half circle lantern rings 11 mobile, and at the same time, upper semi-circle cleans set Ring 14 and lower half circle clean lantern ring 15 and are cleaned by moving back and forth to the surface of filtering net cylinder 9, and pollutant is prevented to be deposited in Contaminant removal effectiveness is influenced on the surface of filtering net cylinder 9, the structure design of the utility model is reasonable, and it is easy to use, it can be in filtering contaminants While, the surface of filtering net cylinder is cleaned, pollutant blocking is effectively prevented, avoids the decline of discharging pollution in pool efficiency, Meet the use demand of user.

A kind of discharging pollution in pool structure suitable for Landscape Architectural Design that the utility model is mentioned, working principle are as follows: right When pond suitable for landscape circle woods design carries out blowdown, one end of tow strap is tied up on the tab 24, blowdown tank ontology 1 is bearing a heavy burden Under the gravity of castor 27, to pond bottom is lowered into, the other end of tow strap, which is tied up, is removing contamination on workboat, and workboat of removing contamination moves Dynamic that blowdown tank ontology 1 is driven to move under water, in the moving process of blowdown tank ontology 1, Bubble blowing tube 28 froths to pond bottom, It takes up the pollutants such as the excrement of pond bottom to flow into blowdown tank ontology 1 by inlet opening 4, the motor band in blowdown tank ontology 1 Dynamic propeller 3 rotates, and the rotation of propeller 3 drives pollutant to rapidly enter in filtering net cylinder 9, and filtering net cylinder 9 carries out pollutant Filtering, filtered water are flowed out to outside blowdown tank ontology 1 by apopore 25, and in the process, two rotating electric machines 6 lead to respectively Crossing output shaft drives two rotation axis 7 to rotate, and two rotation axis 7 rotate two rotating disks 8 of drive respectively and rotate, two rotating disks 8 rotate two motion bars 19 of drive by two connecting columns 22 respectively moves in the horizontal direction, and two motion bars 19 move respectively Drive two connecting rods 20 mobile, two connecting rods 20, two upper semi-circle lantern rings 10 of mobile mobile drive respectively are in filtering net cylinder 9 Upper movement, two upper semi-circle lantern rings 10 are mobile respectively to drive two lower half circle lantern rings 11 mobile, and at the same time, upper semi-circle cleans set Ring 14 and lower half circle clean lantern ring 15 and are cleaned by moving back and forth to the surface of filtering net cylinder 9, and pollutant is prevented to be deposited in Contaminant removal effectiveness is influenced on the surface of filtering net cylinder 9, the structure design of the utility model is reasonable, and it is easy to use, it can be in filtering contaminants While, the surface of filtering net cylinder is cleaned, pollutant blocking is effectively prevented, avoids the decline of discharging pollution in pool efficiency, Meet the use demand of user.

Embodiment described above is only that preferred embodiments of the present invention are described, not practical to this Novel conception and scope is defined.Without departing from the design concept of the present utility model, ordinary people in the field couple The all variations and modifications that the technical solution of the utility model is made, should fall within the protection scope of the present utility model, this reality With novel claimed technology contents, it is all described in the claims.

Claims (8)

1. a kind of discharging pollution in pool structure suitable for Landscape Architectural Design, including blowdown tank ontology (1), it is characterised in that: described It is fixedly installed on the top side inner wall of blowdown tank ontology (1) hanger (2), the bottom side of hanger (2), which is rotatably equipped with, is located at row Propeller (3) in dirty case ontology (1), blowdown tank ontology (1) offer inlet opening on the side inner wall of propeller (3) (4), it is fixedly installed with fixed frame (5) on the top side of blowdown tank ontology (1) and bottom side inner wall, two fixed frames (5) are mutually remote From side inner wall on be fixedly installed with rotating electric machine (6), the output shaft of two rotating electric machines (6) passes through first shaft coupling It is fixedly installed with rotation axis (7), two rotation axis (7) one end close to each other are fixedly installed with rotating disk (8), the blowdown It is fixedly installed on the top side of case ontology (1) and bottom side inner wall the same filtering net cylinder (9), pivot bush unit on filtering net cylinder (9) There are two upper semi-circle lantern ring (10), and the bottom side of two upper semi-circle lantern rings (10) is rotatably equipped with lower half circle lantern ring (11), and two A upper semi-circle lantern ring (10) is adapted with two lower half circle lantern rings (11) respectively, and upper semi-circle lantern ring (10) and lower half circle lantern ring (11) the same side is fixedly installed with fixture block (12), is movably installed with the same bolt (13) in two fixture blocks (12), and is inserted The both ends of pin (13) extend respectively to two fixture blocks (12) outside, two upper semi-circle lantern rings (10) and two lower half circle lantern rings (11) It is fixedly installed on inner wall multiple springs (16), the one end of multiple springs (16) far from two upper semi-circle lantern rings (10) is fixed Upper semi-circle is installed and cleans lantern ring (14), multiple springs (16) are respectively further from the fixed peace in one end of two lower half circle lantern rings (11) Lantern ring (15) are cleaned equipped with lower half circle, and upper semi-circle cleans lantern ring (14) and lower half circle cleans lantern ring (15) side close to each other It is contacted with filtering net cylinder (9), is equipped between the filtering net cylinder (9) and two fixed frames (5) and is respectively and fixedly installed to blowdown Fixed link (17) on case ontology (1) top side and bottom side inner wall, and two fixed links (17) are equal close to the side of filtering net cylinder (9) Offer through hole (18).

2. a kind of discharging pollution in pool structure suitable for Landscape Architectural Design according to claim 1, it is characterised in that: two It is movably installed with motion bar (19) in through hole (18), and the both ends of two motion bars (19) extend respectively to two through holes (18) outside.

3. a kind of discharging pollution in pool structure suitable for Landscape Architectural Design according to claim 2, it is characterised in that: two Motion bar (19) is rotatably equipped with connecting rod (20) close to the one end of filtering net cylinder (9), and two connecting rods (20) are close to mistake One end of screen tube (9) is rotatably installed in two upper semi-circle lantern rings (10) on the side of propeller (3) respectively.

4. a kind of discharging pollution in pool structure suitable for Landscape Architectural Design according to claim 1, it is characterised in that: two Rotating disk (8) side close to each other offers circular trough (21), and the side that two motion bars (19) are located remotely from each other is fixed It is equipped with connecting column (22), and one end that two connecting columns (22) are located remotely from each other is slidably mounted on two circular troughs (21) respectively It is interior.

5. a kind of discharging pollution in pool structure suitable for Landscape Architectural Design according to claim 1, it is characterised in that: two It is offered through-hole (23) on fixed frame (5) side inner wall close to each other, and one end point that two rotation axis (7) are close to each other It Guan Chuan not two through-holes (23).

6. a kind of discharging pollution in pool structure suitable for Landscape Architectural Design according to claim 1, it is characterised in that: described The top side of blowdown tank ontology (1) is fixedly installed with pull ring (24), side inner wall of the blowdown tank ontology (1) close to filtering net cylinder (9) On open up there are two apopore (25).

7. a kind of discharging pollution in pool structure suitable for Landscape Architectural Design according to claim 1, it is characterised in that: described Motor is fixedly installed on the side inner wall of blowdown tank ontology (1), the output shaft of motor is fixedly installed with by second shaft coupling Rotary shaft, and propeller (3) is fixedly mounted on rotary shaft far from one end of motor.

8. a kind of discharging pollution in pool structure suitable for Landscape Architectural Design according to claim 1, it is characterised in that: described The bottom side of blowdown tank ontology (1) is separately installed with rear truckle (26) and weight bearing castor (27), rear truckle (26) and weight bearing castor (27) Bubble blowing tube (28) being fixedly mounted on blowdown tank ontology (1) bottom side is equipped between, and Bubble blowing tube (28) is to be obliquely installed, Bubble blowing tube (28) is connected with the inside of blowdown tank ontology (1).