CN214936183U - Intelligent foam clearing device for external discharge port of sewage treatment station - Google Patents

Abstract

The utility model provides an intelligent sewage treatment station outer discharge port foam clearing device, including sewage treatment final stage pond, first discharge hole, control box, PLC, switch, adjustable water level detection seat structure, adjustable shower structure can carry the buffer tube structure, and the buffer pool sprays the pump, absorbs water the pipe, and second discharge hole, delivery pipe and first solenoid valve. The connecting plate, the lifting rod, the water level detection component and the sewage treatment final-stage water tank are arranged, so that the water level inside the sewage treatment final-stage water tank can be detected through the water level detection component in the using process, and the discharging work can be conveniently carried out according to the water level in the work process; the utility model discloses a sewage treatment device, including delivery pipe, second solenoid valve, U type frame, buffer spring and buffer board, be favorable to impacting the buffer board through sewage at the in-process of discharging sewage through the setting of sewage impact buffer board, promote the buffer board through buffer spring and carry out sewage buffering work, conveniently reduce the foam elimination work at the in-process of discharging.

Description

Intelligent foam clearing device for external discharge port of sewage treatment station

Technical Field

The utility model belongs to the technical field of the sewage fire fighting equipment, especially, relate to an intelligent sewage treatment station external row mouth foam clearing device.

Background

At the present stage, in the textile, chemical, printing and dyeing, papermaking and leather making industries, a large amount of industrial wastewater can be generated, the wastewater is treated by a sewage treatment station, and when the wastewater is discharged into a water outlet through a final-stage water tank of the sewage treatment station, a large amount of foam can be generated due to the relation between the pressure difference and the flow velocity of the water tank, so that people design a foam removing device.

However, the existing foam removing device also has the problems that the discharging work is inconvenient to be carried out according to the water level of the sewage pool in the using process, the sewage buffering and discharging work is inconvenient to be carried out in the using process, and the spraying adjustment is inconvenient to be carried out in the using process.

Therefore, the invention of an intelligent foam removing device for the external discharge port of the sewage treatment station is very necessary.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an intelligent sewage treatment station external row mouth foam clearing device to solve current foam clearing device and still having the in-process inconvenient work of discharging according to the water level of effluent water sump that uses, inconvenient in-process that uses carries out sewage buffering and discharges work and inconvenient in-process that uses sprays the problem of adjusting. An intelligent foam removing device for an external discharge port of a sewage treatment station comprises a sewage treatment final-stage water tank, a first discharge hole, a control box, a PLC (programmable logic controller), a power switch, an adjustable water level detection seat structure, an adjustable spray pipe structure, a transportable buffer pipe structure, a buffer tank, a spray pump, a water suction pipe, a second discharge hole, a discharge pipe and a first electromagnetic valve, wherein the first discharge hole is formed in the middle position of the lower right side of the sewage treatment final-stage water tank; the control box is connected to the middle position of the upper part of the left side of the sewage treatment final-stage water tank through a bolt; the PLC screw is connected to the middle position of the upper part of the front surface of the control box; the power switch screw is connected to the middle position of the lower part of the front surface of the control box; the adjustable water level detection seat structure is arranged in the middle of the left side of the upper end of the final sewage treatment pool; the adjustable spray pipe structure is arranged at the upper part of the right side of the spray pump; the structure of the transportable buffer tube is arranged inside the first discharge hole; the buffer tank is arranged at the lower part of the right side of the sewage treatment final-stage water tank; the spray pump is connected to the middle position of the right side of the upper end of the sewage treatment final-stage water tank through a bolt; the upper part of the right side of the water suction pipe is in threaded connection with the upper part of the left side of the spray pump; the second discharge hole is formed in the middle of the lower part of the right side of the buffer pool; the left end of the discharge pipe is in threaded connection with the middle position inside the right side of the second discharge hole; the first electromagnetic valve is connected to the middle position in the discharge pipe through a bolt; the adjustable water level detection seat structure comprises a connecting plate, a lifting rod, a water level detection assembly, a thread block and a lifting ring, wherein the lifting rod penetrates through the middle position inside the right side of the connecting plate; the lower end of the lifting rod is connected with the middle position of the upper end of the water level detection assembly through a bolt; the thread block is in threaded connection with the upper part of the middle position of the outer wall of the lifting rod; the upper end of the lifting rod is welded in the middle of the lower end of the lifting ring.

Preferably, the adjustable spray pipe structure comprises a pressure increasing pipe, an adjusting pipe, an inverted T-shaped sealing cover, an adjusting bolt and a spray head, wherein the adjusting pipe is sleeved on the outer wall of the lower end of the pressure increasing pipe; the inverted T-shaped sealing cover is sleeved on the outer wall of the pressure increasing pipe in a sliding mode and is in threaded connection with the middle position inside the upper side of the adjusting pipe; the adjusting bolt is in threaded connection with the middle position of the upper part of the front surface of the adjusting pipe; the spray header is in threaded connection with the lower end of the adjusting pipe.

Preferably, the transportable buffer tube structure comprises a guide tube, a second electromagnetic valve, a U-shaped frame, a buffer spring and a buffer plate, wherein the second electromagnetic valve is connected with the middle position of the inner wall of the right side of the guide tube through a bolt; the upper end of the U-shaped frame is respectively connected with the outer walls of the left side and the right side of the lower end of the guide pipe through bolts; the lower end of the buffer spring is sequentially bolted to the bottom end inside the U-shaped frame from left to right; the upper end of the buffer spring is sequentially connected to the lower end of the buffer plate through bolts from left to right.

Preferably, the water suction pipe is an inverted L-shaped stainless steel pipe, and the lower end of the water suction pipe is inserted in the middle of the right side in the sewage treatment final-stage water tank; the discharge pipe is communicated with the buffer pool.

Preferably, the thread block is a stainless steel block with a threaded hole in the middle of the inside and is arranged on the right side of the upper end of the connecting plate; the lifting ring is a stainless steel ring.

Preferably, the connecting plate is connected to the middle position of the left side of the upper end of the final stage water tank for sewage treatment through a bolt; the lower end of the lifting rod is inserted in the upper part of the inner wall of the left side of the sewage treatment final-stage water tank; the water level detection assembly is arranged at the upper part of the left side of the sewage treatment final-stage water tank.

Preferably, the adjusting bolt is arranged in contact with the front surface of the pressure inlet pipe; and a silica gel ring is arranged at the joint of the inverted T-shaped sealing cover and the pressurizing pipe.

Preferably, the left end of the pressure increasing pipe is in threaded connection with the upper part of the right side of the spray pump; the lower end of the adjusting pipe and the spray header are inserted in the middle of the upper end of the buffer tank.

Preferably, the buffer plate is a stainless steel plate and is arranged in the middle of the inside of the U-shaped frame; the guide pipe is made of an inverted L-shaped stainless steel pipe.

Preferably, the left end of the guide pipe is inserted in the middle of the right inner part of the first discharge hole in a threaded manner and is communicated with the first discharge hole; the lower end of the guide pipe is inserted in the left side of the interior of the buffer pool.

Preferably, the PLC is a PLC with the model number of FX 2N-48; the first electromagnetic valve and the second electromagnetic valve are respectively electromagnetic valves with model numbers of ZCF 58-DB; the spray pump is a self-priming pump with the model number of 40 FPZD-18; the power switch is a toggle switch with the model number of MTS 102; the first electromagnetic valve, the second electromagnetic valve and the spray pump are respectively and electrically connected with the output end of the PLC; the water level detection assembly and the power switch are respectively and electrically connected with the input end of the PLC.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, connecting plate, lifter, the setting in water level detection subassembly and sewage treatment final stage pond is favorable to detecting the inside water level in sewage treatment final stage pond through water level detection subassembly at the in-process that uses, conveniently discharges the work according to the water level at work.

2. The utility model discloses in, the pipe of leading send, the second solenoid valve, U type frame, the setting of buffer spring and buffer board is favorable to strikeing the buffer board through sewage at the in-process of discharging sewage, promotes the buffer board through buffer spring and carries out sewage buffering work, conveniently reduces the foam elimination work at the in-process of discharging.

3. The utility model discloses in, pressure boost pipe, the control tube, the sealed lid of type of falling T, adjusting bolt and shower head's setting is favorable to loosening adjusting bolt at the in-process that uses, then reciprocates the control tube and drive the shower head simultaneously and remove, conveniently adjusts work according to the water level in the buffer pool in work.

4. The utility model discloses in, connecting plate, lifter, water level detection subassembly, the setting of screw thread piece and pull-up ring is favorable to rotating the screw thread piece at the in-process that uses, through screw thread piece and lifter threaded connection setting, conveniently adjusts water level detection subassembly's height, increases regulatory function.

5. The utility model discloses in, pressure boost pipe, the setting of the sealed lid of type of falling T and shower head, be favorable to setting up through the sealed lid of type of falling T and control tube threaded connection in the in-process that uses, conveniently carry out shower head and dismantle and change work.

6. The utility model discloses in, the pipe of leading send, U type frame, buffer spring and buffer board's setting is favorable to carrying out the buffer board dismantlement work at the in-process that uses, conveniently carries out the buffer board clearance work at work.

7. The utility model discloses in, control box, PLC, switch, the pump sprays, the setting of water level detection subassembly, first solenoid valve and second solenoid valve is favorable to passing through each electrical equipment of PLC control at the in-process that uses, conveniently carries out intelligent work at the in-process that uses.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the adjustable water level detecting seat structure of the present invention.

Fig. 3 is a schematic structural diagram of the adjustable shower structure of the present invention.

Fig. 4 is a schematic structural diagram of the structure of the transportable buffer tube of the present invention.

Fig. 5 is a schematic diagram of the electrical connection of the present invention.

In the figure:

1. a final-stage water tank for sewage treatment; 2. a first discharge hole; 3. a control box; 4. a PLC; 5. a power switch; 6. the adjustable water level detects the seat structure; 61. a connecting plate; 62. a lifting rod; 63. a water level detection assembly; 64. a thread block; 65. lifting the ring; 7. the structure of the spray pipe can be adjusted; 71. a pressure increasing pipe; 72. an adjusting tube; 73. an inverted T-shaped seal cap; 74. adjusting the bolt; 75. a shower head; 8. a transportable buffer tube structure; 81. a delivery pipe; 82. a second solenoid valve; 83. a U-shaped frame; 84. a buffer spring; 85. a buffer plate; 9. a buffer pool; 10. a spray pump; 11. a suction pipe; 12. a second discharge hole; 13. a discharge pipe; 14. a first solenoid valve.

Detailed Description

The utility model is described in detail with reference to the accompanying drawings, as shown in fig. 1 and fig. 2, an intelligent foam removing device for an external discharge port of a sewage treatment station comprises a sewage treatment final-stage water tank 1, a first discharge hole 2, a control box 3, a PLC4, a power switch 5, an adjustable water level detection seat structure 6, an adjustable spray pipe structure 7, a transportable buffer pipe structure 8, a buffer tank 9, a spray pump 10, a suction pipe 11, a second discharge hole 12, a discharge pipe 13 and a first electromagnetic valve 14, wherein the first discharge hole 2 is arranged at the middle position of the lower right side of the sewage treatment final-stage water tank 1; the control box 3 is connected to the middle position of the upper part of the left side of the sewage treatment final-stage water tank 1 through a bolt; the PLC4 is in screw connection with the middle position of the upper part of the front surface of the control box 3; the power switch 5 is connected to the middle position of the lower part of the front surface of the control box 3 through a screw; the adjustable water level detection seat structure 6 is arranged in the middle of the left side of the upper end of the sewage treatment final-stage water tank 1; the adjustable spray pipe structure 7 is arranged at the upper part of the right side of the spray pump 10; the transportable buffer tube structure 8 is arranged inside the first drainage hole 2; the buffer tank 9 is arranged at the lower part of the right side of the sewage treatment final-stage water tank 1; the spray pump 10 is bolted at the middle position of the right side of the upper end of the final-stage sewage treatment pool 1; the upper part of the right side of the water suction pipe 11 is in threaded connection with the upper part of the left side of the spray pump 10; the second discharge hole 12 is formed in the middle of the lower part of the right side of the buffer pool 9; the left end of the discharge pipe 13 is in threaded connection with the middle position inside the right side of the second discharge hole 12; the first electromagnetic valve 14 is bolted at the middle position in the discharge pipe 13; the adjustable water level detection seat structure 6 comprises a connecting plate 61, a lifting rod 62, a water level detection assembly 63, a thread block 64 and a lifting ring 65, wherein the lifting rod 62 penetrates through the middle position of the inside of the right side of the connecting plate 61; the lower end of the lifting rod 62 is connected with the middle position of the upper end of the water level detection assembly 63 through a bolt; the thread block 64 is in threaded connection with the upper part of the middle position of the outer wall of the lifting rod 62; the upper end of the lifting rod 62 is welded at the middle position of the lower end of the lifting ring 65; when using, carry the inside to sewage treatment final stage pond 1 with the sewage after handling, after carrying the sewage after handling, rotatory screw block 64 through screw block 64 and the setting of lifter 62 threaded connection, adjusts water level detection subassembly 63's height, conveniently adjusts the inside storage capacity in sewage treatment final stage pond 1 simultaneously, increases regulatory function.

In this embodiment, referring to fig. 3, the adjustable shower structure 7 includes a pressure increasing pipe 71, an adjusting pipe 72, an inverted T-shaped sealing cover 73, an adjusting bolt 74 and a shower head 75, wherein the adjusting pipe 72 is sleeved on the outer wall of the lower end of the pressure increasing pipe 71; the inverted T-shaped sealing cover 73 is sleeved on the outer wall of the pressure increasing pipe 71 in a sliding mode and is in threaded connection with the middle position of the inner portion of the upper side of the adjusting pipe 72; the adjusting bolt 74 is in threaded connection with the middle position of the upper part of the front surface of the adjusting pipe 72; the spray header 75 is in threaded connection with the lower end of the adjusting pipe 72; then through water level detection subassembly 63 with signal transmission to PLC4, control through PLC4 and spray pump 10 and carry out work, then carry sewage to the inside of booster pipe 71, spout through regulating tube 72 and shower head 75, conveniently eliminate the work to the inside foam of buffer tank 9.

In this embodiment, referring to fig. 4, the transportable buffer tube structure 8 includes a guiding tube 81, a second solenoid valve 82, a U-shaped frame 83, a buffer spring 84 and a buffer plate 85, wherein the second solenoid valve 82 is bolted to the middle position of the right inner wall of the guiding tube 81; the upper end of the U-shaped frame 83 is respectively bolted to the outer walls of the left side and the right side of the lower end of the guide pipe 81; the lower end of the buffer spring 84 is sequentially bolted to the bottom end of the interior of the U-shaped frame 83 from left to right; the upper end of the buffer spring 84 is sequentially bolted to the lower end of the buffer plate 85 from left to right; meanwhile, the PLC4 controls the second electromagnetic valve 82 to be opened, so that sewage in the sewage treatment final-stage water tank 1 is conveyed to the inside of the buffer tank 9, liquid sprayed out through the spray header 75 in the conveying process is subjected to foam elimination, then the PLC4 controls the first electromagnetic valve 14 to be opened, the treated sewage is discharged, and then the sewage treatment and foam elimination work is completed.

In this embodiment, specifically, the water suction pipe 11 is made of an inverted L-shaped stainless steel pipe, and the lower end thereof is inserted into the middle position of the right side inside the final stage water tank 1 for sewage treatment; the discharge pipe 13 is communicated with the buffer pool 9.

In this embodiment, specifically, the thread block 64 is a stainless steel block with a threaded hole at the middle position inside and is arranged on the right side of the upper end of the connecting plate 61; the pulling ring 65 is a stainless steel ring.

In the embodiment, specifically, the connecting plate 61 is bolted to the middle position of the left side of the upper end of the final stage pool 1 for sewage treatment; the lower end of the lifting rod 62 is inserted in the upper part of the inner wall of the left side of the sewage treatment final-stage water tank 1; the water level detection assembly 63 is arranged at the upper left part of the sewage treatment final-stage water tank 1.

In this embodiment, specifically, the adjusting bolt 74 is disposed in contact with the front surface of the pressure increasing pipe 71; a silica gel ring is arranged at the joint of the inverted T-shaped sealing cover 73 and the pressure increasing pipe 71.

In this embodiment, specifically, the left end of the pressure increasing pipe 71 is connected to the upper part of the right side of the spray pump 10 by a screw; the lower end of the adjusting pipe 72 and the spray header 75 are inserted in the middle position of the upper end of the buffer tank 9.

In this embodiment, specifically, the buffer plate 85 is made of a stainless steel plate and is disposed in the middle of the inside of the U-shaped frame 83; the guide pipe 81 is made of an inverted L-shaped stainless steel pipe.

In this embodiment, specifically, the left end of the guiding and feeding pipe 81 is inserted in the middle of the right inside of the first discharge hole 2 in a threaded manner and is communicated with the middle; the lower end of the guide pipe 81 is inserted in the left side of the interior of the buffer pool 9.

In this embodiment, specifically, the PLC4 specifically uses a PLC with model number FX 2N-48; the first electromagnetic valve 14 and the second electromagnetic valve 82 are respectively solenoid valves with models of ZCF 58-DB; the spray pump 10 is a self-priming pump with the model number of 40 FPZD-18; the power switch 5 is a toggle switch with the model number of MTS 102; the first electromagnetic valve 14, the second electromagnetic valve 82 and the spray pump 10 are respectively and electrically connected with the output end of the PLC 4; the water level detection assembly 63 and the power switch 5 are respectively and electrically connected with the input end of the PLC 4.

Principle of operation

In the utility model, when in use, the treated sewage is conveyed to the interior of the final stage pool 1 of sewage treatment, after the treated sewage is conveyed, the thread block 64 is rotated, the height of the water level detection assembly 63 is adjusted through the threaded connection of the thread block 64 and the lifting rod 62, the storage capacity of the interior of the final stage pool 1 of sewage treatment is conveniently adjusted, the adjusting function is increased, then the signal is conveyed to the PLC4 through the water level detection assembly 63, the spraying pump 10 is controlled to work through the PLC4, then the sewage is conveyed to the interior of the pressure increasing pipe 71 and is sprayed out through the adjusting pipe 72 and the spray head 75, the foam in the interior of the buffer pool 9 is conveniently eliminated, meanwhile, the second electromagnetic valve 82 is controlled to be opened through the PLC4, the sewage in the interior of the final stage pool 1 of sewage treatment is conveyed to the interior of the buffer pool 9, the foam elimination work is carried out through the liquid sprayed out by the spray head 75 in the conveying process, then the PLC4 controls the first electromagnetic valve 14 to open to discharge the treated sewage, thereby completing the sewage treatment and the foam elimination.

Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.

Claims (8)

1. An intelligent foam removing device for an external discharge port of a sewage treatment station comprises a sewage treatment final-stage water tank (1), a first discharge hole (2), a control box (3), a PLC (4), a power switch (5), an adjustable water level detection seat structure (6), an adjustable spray pipe structure (7), a conveyable buffer pipe structure (8), a buffer pool (9), a spray pump (10), a water suction pipe (11), a second discharge hole (12), a discharge pipe (13) and a first electromagnetic valve (14), wherein the first discharge hole (2) is formed in the middle position of the lower portion of the right side of the sewage treatment final-stage water tank (1); the control box (3) is connected to the middle position of the upper part of the left side of the sewage treatment final-stage water tank (1) through a bolt; the PLC (4) is connected to the middle position of the upper part of the front surface of the control box (3) through a screw; the power switch (5) is connected to the middle position of the lower part of the front surface of the control box (3) through a screw; the buffer tank (9) is arranged at the lower part of the right side of the sewage treatment final-stage water tank (1); the spray pump (10) is connected to the middle position of the right side of the upper end of the sewage treatment final-stage water tank (1) through a bolt; the upper part of the right side of the water suction pipe (11) is in threaded connection with the upper part of the left side of the spray pump (10); the second discharge hole (12) is formed in the middle of the lower part of the right side of the buffer pool (9); the left end of the discharge pipe (13) is in threaded connection with the middle position inside the right side of the second discharge hole (12); the first electromagnetic valve (14) is connected to the middle position in the discharge pipe (13) through a bolt; the intelligent device is characterized in that the adjustable water level detection seat structure (6) in the intelligent device for removing the foam at the outer discharge port of the sewage treatment station is arranged in the middle position of the left side of the upper end of the final-stage sewage treatment pool (1); the adjustable spray pipe structure (7) is arranged at the upper part of the right side of the spray pump (10); the structure (8) of the conveyable buffer tube is arranged inside the first discharge hole (2); the adjustable water level detection seat structure (6) comprises a connecting plate (61), a lifting rod (62), a water level detection assembly (63), a thread block (64) and a lifting ring (65), wherein the lifting rod (62) penetrates through the middle position of the inner part of the right side of the connecting plate (61); the lower end of the lifting rod (62) is connected with the middle position of the upper end of the water level detection assembly (63) through a bolt; the thread block (64) is in threaded connection with the upper part of the middle position of the outer wall of the lifting rod (62); the upper end of the lifting rod (62) is welded at the middle position of the lower end of the lifting ring (65).

2. The intelligent foam removing device for the external discharge port of the sewage treatment station as claimed in claim 1, wherein the adjustable spray pipe structure (7) comprises a pressure increasing pipe (71), an adjusting pipe (72), an inverted T-shaped sealing cover (73), an adjusting bolt (74) and a spray head (75), and the adjusting pipe (72) is sleeved on the outer wall of the lower end of the pressure increasing pipe (71); the inverted T-shaped sealing cover (73) is sleeved on the outer wall of the pressure increasing pipe (71) in a sliding mode and is in threaded connection with the middle position of the inner portion of the upper side of the adjusting pipe (72); the adjusting bolt (74) is in threaded connection with the middle position of the upper part of the front surface of the adjusting pipe (72); the spray header (75) is in threaded connection with the lower end of the adjusting pipe (72).

3. The intelligent foam removing device for the sewage treatment station outlet according to claim 1, wherein the conveyable buffer tube structure (8) comprises a guide tube (81), a second electromagnetic valve (82), a U-shaped frame (83), a buffer spring (84) and a buffer plate (85), wherein the second electromagnetic valve (82) is bolted to the middle position of the right inner wall of the guide tube (81); the upper end of the U-shaped frame (83) is respectively bolted to the outer walls of the left side and the right side of the lower end of the guide pipe (81); the lower end of the buffer spring (84) is sequentially bolted to the bottom end of the interior of the U-shaped frame (83) from left to right; the upper end of the buffer spring (84) is sequentially bolted to the lower end of the buffer plate (85) from left to right.

4. The intelligent foam removing device for the external discharge port of the sewage treatment station as claimed in claim 1, wherein the suction pipe (11) is made of an inverted-L-shaped stainless steel pipe and the lower end of the suction pipe is inserted into the middle position of the right side inside the final stage water tank (1) for sewage treatment; the discharge pipe (13) is communicated with the buffer pool (9).

5. The intelligent foam removing device for the external discharge port of the sewage treatment station as claimed in claim 1, wherein the thread block (64) is a stainless steel block with a threaded hole at the middle position inside and is arranged at the right side of the upper end of the connecting plate (61); the lifting ring (65) is a stainless steel ring.

6. The intelligent foam removing device for the external discharge port of the sewage treatment station as claimed in claim 1, wherein the connecting plate (61) is bolted at the middle position on the left side of the upper end of the sewage treatment final stage water tank (1); the lower end of the lifting rod (62) is inserted into the upper part of the inner wall of the left side of the sewage treatment final-stage water tank (1); the water level detection assembly (63) is arranged at the upper part of the left side of the sewage treatment final-stage water tank (1).

7. The intelligent foam removing device for the drain outlet of the sewage treatment station as claimed in claim 2, wherein the adjusting bolt (74) is arranged in contact with the front surface of the pressure increasing pipe (71); a silica gel ring is arranged at the joint of the inverted T-shaped sealing cover (73) and the pressure increasing pipe (71); the left end of the pressure increasing pipe (71) is in threaded connection with the upper part of the right side of the spray pump (10); the lower end of the adjusting pipe (72) and the spray header (75) are inserted in the middle position of the upper end of the buffer pool (9).

8. The intelligent foam removing device for the external discharge port of the sewage treatment station as claimed in claim 3, wherein the buffer plate (85) is made of stainless steel plate and is arranged at the middle position inside the U-shaped frame (83); the delivery pipe (81) adopts an inverted L-shaped stainless steel pipe; the left end of the guide pipe (81) is inserted in the middle of the right inner part of the first discharge hole (2) in a threaded manner and is communicated with the middle; the lower end of the guide pipe (81) is inserted into the left side of the interior of the buffer pool (9).

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