CN110950485A

CN110950485A - Flocculating agent sewage treatment ware

Info

Publication number: CN110950485A
Application number: CN201911323030.5A
Authority: CN
Inventors: 江云峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-04-03

Abstract

The flocculant sewage treatment device comprises a shell, wherein an inner cavity of the shell is sequentially divided into a first filtering cavity, a second filtering cavity and a third filtering cavity by two partition plates; the upper part and the lower part of the first filter cavity are respectively fixed with a flocculation rack and a first separation rack; a second separation frame is fixed in the second filtering cavity; a separating cylinder is fixed in the third filtering cavity; the first separating frame comprises a box body, and a rectangular first filter screen is fixed at the top end of the box body; a collecting shell is fixed at the bottom of the box body, and a first conveying pipe is connected to the collecting shell in a rotating mode; a plurality of deposition plates are fixed between the collection shell and the first filter screen; the separating cylinder comprises a cylinder body, and the upper part of the cylinder body is screwed with a drainage cylinder; a collecting basin is fixed at the bottom of the inner cavity of the cylinder body, and a second filter screen is fixed at the bottom of the collecting basin; a drainage cavity is enclosed between the collection basin and the bottom of the cylinder body; a plurality of overflow ports are arranged at the upper part of the cylinder in a penetrating way; a screen is fixed on the upper part of the drainage cylinder.

Description

Flocculating agent sewage treatment ware

Technical Field

The invention relates to the technical field of sewage treatment equipment, in particular to a flocculant sewage treatment device.

Background

Most of the existing chemical sewage treatment equipment adopts additives to treat sewage, or the additives are added into the sewage after the sewage is stirred by a stirring part to treat the sewage, so that the additives and sewage pollutants cannot be fully mixed; and the existing sewage treatment equipment can only carry out single treatment on the magazines in the water through the additive, and the treatment effect is poor.

The invention relates to a throwing device, in particular to an automatic flocculating agent throwing device for a sewage treatment tank, and belongs to the patent with the application number of CN 201910715958.1. The technical problem to be solved is to provide an automatic flocculating agent throwing device for a sewage treatment tank with uniform throwing. The automatic flocculating agent throwing equipment for the sewage treatment tank comprises a round box, a mounting frame, a first fixing disc, a discharging pipe and the like; the round box left and right sides all is connected with the mounting bracket, and round incasement sub-unit connection has first fixed disk. The driving device can rotate the guide pipe to enable the guide pipe to correspond to the blanking pipe, so that the flocculating agent in the guide pipe can fall into the sewage treatment tank through the blanking pipe to be thrown in, and the flocculating agent can be uniformly thrown into the sewage treatment tank; block the blanking hole through the dog, avoid waste gas to float to this equipment from the blanking hole in to can avoid waste gas to cause the influence to this equipment. Although the flocculant can be automatically put in the sewage treatment device, the flocculated sediment needs to be further treated after the flocculant is put in the sewage treatment device, so that the impurities in the sewage can be more thoroughly cleaned.

Therefore, it is desirable to provide a flocculant sewage treatment device which can effectively treat the precipitated pollutants after the flocculant is added.

Disclosure of Invention

The invention aims to provide a flocculant sewage treatment device, which is used for solving the problem that the existing sewage treatment device can not effectively treat precipitated pollutants only by simply adding a flocculant.

In order to achieve the purpose, the technical scheme of the invention is as follows:

a flocculant sewage treatment device comprises a shell, wherein an inner cavity of the shell is sequentially divided into a first filtering cavity, a second filtering cavity and a third filtering cavity by two partition plates; the upper part and the lower part of the first filter cavity are respectively fixed with a flocculation rack and a first separation rack; a second separation frame is fixed in the second filtering cavity; a separating cylinder is fixed in the third filtering cavity; one port of the water inlet pipe which is screwed on the outer wall of the shell is communicated with the first filtering cavity;

the first separating frame comprises a cubic box body, and a rectangular first filter screen is fixed at the top end of the box body; a collecting shell is fixed at the bottom of the box body, and a first conveying pipe is connected to the collecting shell in a rotating mode; a plurality of deposition plates are fixed between the collection shell and the first filter screen; the second separation frame comprises a cubic shell, and filter frames are fixed on two sides of the inner cavity of the shell at intervals; the collecting box is fixed at the bottom of the shell; the upper part of the shell is communicated with a fourth conveying pipe, and the output port of the fourth conveying pipe is communicated with the third filtering cavity;

the separating cylinder comprises a cylindrical cylinder body, a truncated cone-shaped drainage cylinder is screwed at the upper part of the cylinder body, and the overflow pipe is communicated with the drainage cylinder; a collecting basin is fixed at the bottom of the inner cavity of the cylinder body, and a second filter screen is fixed at the bottom of the collecting basin; a drainage cavity is enclosed between the collection basin and the bottom of the barrel body, and the water inlet pipe is communicated with the drainage cavity; a plurality of circular overflow ports are arranged at the upper part of the cylinder in a penetrating way; the upper part of the drainage cylinder is fixed with a screen mesh by a bolt, and the screen mesh is sleeved outside the cylinder body.

Wherein, the flocculation rack comprises a semi-cylindrical outer cover, and end covers are fixed at two ends of the outer cover; two ends of the mixing frame are respectively screwed on the two end covers and rotate in a space enclosed by the end covers and the outer cover.

The mixing frame comprises a cylindrical central tube, an accommodating cavity is arranged in the central tube in a penetrating mode, and the fan blades are uniformly distributed on the outer wall of the central tube along the radial direction of the central tube; the guide hole penetrating the fan blade is communicated with the containing cavity; spraying holes are arranged on both sides of the fan blade in a penetrating way and are communicated with the flow guide holes; and a flocculating agent is added into the accommodating cavity.

The deposition plate comprises a plurality of plate bodies which are connected together through bolts, and two adjacent plate bodies form a V shape; a plurality of filtering holes are arranged in the plate body in a penetrating way, and a collecting tank is concavely arranged at the lower edge of the plate body.

The collecting shell comprises a cubic shell, and a guide plate is hinged in the shell; one side of the guide plate is connected to the shell, and the other side of the guide plate slides to the bottom of the shell; the second conveying pipe is connected to the shell in a rotating mode and is close to the movable end of the guide plate.

The filter frame comprises a frame, a first filter screen is fixed at the top of the frame, and an adsorption plate is hinged in the frame; a gap is reserved between two adjacent adsorption plates.

The collecting box comprises a cubic shell, a bottom plate is hinged in the shell, and a plurality of conveying grooves are concavely formed in the bottom plate; and a third conveying pipe is screwed on the outer wall of the shell, and the inlet of the third conveying pipe is aligned with the outlet at the lower end of the conveying groove.

Wherein, also include the delivery pipe fixed on body with the bolt; the conveying pipe comprises a cuboid pipe body, and an inlet pipe and two outlet pipes are screwed on the side wall of the pipe body by threads; the inlet pipe and the outlet pipe are communicated with the inner cavity of the pipe body; a partition plate is fixed in the middle of the pipe body by bolts, and two water outlet pipes are respectively positioned at two sides of the partition plate; a first water inlet net is hinged to the end part of the inner cavity of the pipe body; the inlet pipe is communicated with the first separation frame; a water outlet pipe close to the inlet pipe is communicated with the second separation frame; the other water outlet pipe is communicated with the separating cylinder; the isolation plate comprises a rectangular outer frame, and a baffle is arranged in the inner cavity of the outer frame in a penetrating way; a second water inlet net is hinged to one side of the outer frame; a rectangular discharging door is hinged to the side wall of one side of the pipe body, which is far away from the water outlet pipe; the two discharging doors respectively correspond to the water outlet pipes.

The invention has the following advantages:

a plurality of holes for filtering water penetrate through the first filter screen, and the holes are round or rectangular; the first conveying pipe is a circular pipe; the water firstly passes through the first filter screen, particles with the size larger than the size of the holes of the filtered water on the first filter screen are filtered, and then the sewage contacts the sediment plate to be further filtered;

the plate body is rectangular, the collecting groove extends along the length direction of the plate body, and the side wall of the collecting groove is an inwards concave circular curved surface; when water flows through the deposition plate, the water flows out through the filtering holes in the plate body, and the coagulated sediment is continuously deposited in the collecting tank, so that the sediment is collected; and after the sediment in the collecting tank is settled for a period of time, taking out the sediment plate and cleaning.

The two adjacent plate bodies are in a V shape, so that sewage flowing down from the upper plate body cannot directly flow away, and the sewage is firstly subjected to the resistance action of the lower plate body, so that the collection of sediments in the sewage is realized, and the efficiency and the times of the collection of the sediments are improved;

the section of the frame is trapezoidal; the adsorption plate is hinged in the frame, and the inclination angle of the adsorption plate can be adjusted according to the requirement; a plurality of round holes are arranged on the first filter screen in a penetrating way; inlay on the adsorption plate and be equipped with magnet and active carbon piece, when sewage from first filter screen downflow process adsorption plate, the iron impurity in the sewage with by magnet adsorption, the particulate matter is adsorbed by active carbon piece, realizes further filtration reason.

Drawings

FIG. 1 is a schematic view of a flocculant sewage treatment apparatus of the present invention.

Fig. 2 is a schematic view of a first split frame of the present invention.

FIG. 3 is a schematic view of a deposition plate of the present invention.

Fig. 4 is a schematic view of a collection housing of the present invention.

Figure 5 is a schematic of a flocculation stand of the present invention.

FIG. 6 is a schematic view of the mixing rack of the present invention.

Fig. 7 is a schematic view of a second split frame of the present invention.

Fig. 8 is a schematic view of a filter stand of the present invention.

FIG. 9 is a schematic view of a collection cassette of the present invention.

FIG. 10 is a schematic view of a separation cartridge of the present invention.

Fig. 11 is a schematic view of a drain cartridge of the present invention.

Fig. 12 is a schematic view of a cartridge of the present invention.

Fig. 13 is a schematic view of a delivery tube of the present invention.

Fig. 14 is a schematic view of a separator plate of the present invention.

Fig. 15 is a schematic view of an exit door of the present invention.

8-conveying pipe; 81-a tube body; 82-a water outlet pipe; 83-a separator plate; 831-outer frame; 832-baffles; 833-second water intake net; 84-a first water inlet net; 85-a discharge door; 86-an inlet tube.

Detailed Description

The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

Examples

The flocculant sewage treatment device comprises a shell 2, wherein an inner cavity of the shell 2 is sequentially divided into a first filtering cavity, a second filtering cavity and a third filtering cavity by two partition plates 4; the upper part and the lower part of the first filter chamber are respectively fixed with a flocculation rack 3 and a first separation rack 7 by bolts; a second separation frame 6 is fixed in the second filter cavity by bolts; a separation barrel 5 is fixed in the third filtering cavity by bolts; one port of the water inlet pipe 1 screwed on the outer wall of the shell 2 by screw threads is communicated with the first filtering cavity; the water inlet pipe 1 is a circular pipe; the housing 2 is a cube; the partition plate 4 is rectangular, and the partition plate 4 is fixed in the housing 2 by bolts so as to divide the inner cavity of the housing 2 into a first filter chamber, a second filter chamber and a third filter chamber which are independent.

The first separation frame 7 includes a box 73 having a cubic shape, and a rectangular first screen 71 is fixed to the top end of the box 73 by a bolt; a collecting shell 74 is fixed at the bottom of the box 73 by bolts, and a first conveying pipe 75 is screwed on the collecting shell 74 by threads; a plurality of settling plates 72 are fixed between the collecting case 74 and the first screen 71 by bolts; a plurality of holes for filtering water are formed in the first filter 71, and the holes are circular or rectangular; the first delivery pipe 75 is a circular pipe; the water first passes through the first sieve 71, and particles having a size larger than the size of the pores of the filtered water on the first sieve 71 are filtered, and then the contaminated water contacts the settling plate 72 to be further filtered;

the second separation frame 6 comprises a cubic shell 61, and filter frames 62 are fixed on two sides of the inner cavity of the shell 61 at intervals by bolts; the collection box 63 is fixed to the bottom of the housing 61 by bolts; a fourth conveying pipe 64 is communicated with the upper part of the shell 61, and an output port of the fourth conveying pipe 64 is communicated with the third filtering cavity; the fourth delivery pipe 64 is screwed on the shell 61;

the separation cylinder 5 comprises a cylindrical cylinder body 51, a truncated cone-shaped drainage cylinder 52 is screwed on the upper part of the cylinder body 51 by threads, and an overflow pipe 53 is communicated with the drainage cylinder 52; a collecting basin 54 is fixed at the bottom of the inner cavity of the barrel body 51 through bolts, and a second filter screen 55 is fixed at the bottom of the collecting basin 54 through bolts; a drainage cavity is defined between the collection basin 54 and the bottom of the barrel body 51, and a water inlet pipe 56 is communicated with the drainage cavity; a plurality of circular overflow ports 58 are arranged at the upper part of the cylinder body 51 in a penetrating way; a mesh 57 is fixed to an upper portion of the drain cylinder 52 by a bolt, and the mesh 57 is fitted to an outer side of the cylinder 51.

Water enters the drainage chamber from the inlet pipe 56 and then overflows the second sieve 55 up to the upper side of the collection basin 54; the second screen 55 blocks contaminants such as particles, and the water level rises to the position of the overflow port 58 and then overflows, the overflowing water enters the drain cylinder 52, the overflowing water passes through the screen 57 and is filtered by the screen 57, particles, aggregates and the like in the overflowing water are filtered, and the filtered water enters the bottom of the drain cylinder 52 and finally flows out of the overflow pipe 53.

The flocculation rack 3 comprises a semi-cylindrical outer cover 31, and end covers 32 are fixed at two ends of the outer cover 31 by bolts; both ends of the mixing frame 33 are screwed to the two end caps 32 respectively by screw threads and rotate in a space enclosed by the end caps 32 and the outer cover 31. The end cap 32 is semi-circular.

The mixing frame 33 comprises a cylindrical central tube 334, an accommodating cavity 335 is arranged in the central tube 334 in a penetrating manner, and the fan blades 331 are uniformly distributed on the outer wall of the central tube 334 along the radial direction of the central tube 334; the flow guide holes 333 arranged in the fan blades 331 are communicated with the accommodating cavity 335; spraying holes 332 are formed in the two sides of the fan blade 331 in a penetrating manner, and the spraying holes 332 are communicated with the flow guide holes 333; a flocculating agent is added to the accommodating chamber 335.

Fan blades 331 are bolted to central tube 334; the flow guide holes 333 are circular holes; the flocculating agent flows from the accommodating cavity 335 to the spraying hole 332 along the diversion hole 333, and is sprayed into the water from the spraying hole 332; meanwhile, the mixing frame 33 rotates to mix the flocculating agent entering the water, and the flocculating agent is uniformly stirred, so that the flocculating agent is ensured to be fully contacted and mixed with the polluted impurities in the sewage, and the pollution cleaning efficiency is improved;

the deposition plate 72 includes a plurality of plate bodies 721 bolted together, and adjacent two plate bodies 721 are in a "V" shape; a plurality of filtering holes are formed in the plate body 721, and a collecting trough 722 is recessed at the lower edge of the plate body 721. The plate body 721 is rectangular, the collecting groove 722 extends along the length direction of the plate body 721, and the side wall of the collecting groove 722 is a concave circular curved surface; as the water flows through the deposition plate 72, it will flow out through the filtering holes in the plate body 721, and the coagulated sediment will be deposited in the collecting tank 722, so as to collect the sediment; after the sediment in the collection tank 722 is settled for a period of time, the sediment plate 72 is taken out and cleaned.

The two adjacent plate bodies 721 are in a V shape, so that the sewage flowing down from the upper plate body 721 cannot directly flow away, and the sewage is firstly subjected to the resistance action of the lower plate body 721 to realize the collection of the sediment in the sewage, thereby improving the efficiency and the times of the sediment collection.

The collecting casing 74 includes a cubic casing 742, and a guide plate 741 is hinged in the casing 742; the deflector 741 has one side attached to the casing 742 and the other side slid to the bottom of the casing 742; the second duct 743 is screwed to the casing 742 near the movable end of the guide plate 741.

One end of the guide plate 741 is pivoted to the inner wall of the casing 742, and the other end thereof movably rotates to the bottom of the casing 742, the lower edge of the movable end of the guide plate 741 is aligned with the outlet of the second delivery pipe 743, the second delivery pipe 743 is a circular pipe, and the primarily filtered effluent is output into the housing 61 through the second delivery pipe 743. The filter frame 62 includes a frame 622, a first filter 621 is fixed on the top of the frame 622 by bolts, and an adsorption plate 623 is hinged in the frame 622; a gap is left between the adjacent two adsorption plates 623.

The frame 622 is trapezoidal in cross section; the adsorption plate 623 is hinged in the frame 622, and the inclination angle of the adsorption plate can be adjusted according to the requirement; a plurality of circular holes are formed in the first filter screen 621 in a penetrating manner; the adsorption plate 623 is embedded with a magnet and an active carbon block, when sewage flows downwards from the first filter screen 621 and passes through the adsorption plate 623, iron impurities in the sewage are adsorbed by the magnet, and particulate matters are adsorbed by the active carbon block, so that further filtering treatment is realized.

The collecting box 63 includes a cubic housing 631, a bottom plate 632 is hinged in the housing 631, and a plurality of conveying grooves 634 are concavely formed on the bottom plate 632; a third delivery pipe 633 is screwed to the outer wall of the casing 631, and an inlet of the third delivery pipe 633 is aligned with an outlet of the lower end of the delivery groove 634. The side wall of the conveying groove 634 is a concave curved surface; the third conveying pipe 633 is in a circular pipe shape; one end of the base plate 632 is connected to the upper portion of the inner cavity of the casing 631 and the other end is close to the bottom of the inner cavity of the casing 631, and when the sludge falls and is collected in the transport groove 634, the sludge slides along the transport groove 634 due to the height difference of the base plate 632, and is finally discharged from the third transport pipe 633. The sewage is conveyed into the shell 61, the sediment is precipitated in the shell 631, the clean water floats upwards, and when the liquid level reaches the fourth conveying pipe 64, the clean water filtered through precipitation is output from the fourth conveying pipe 64 and enters the separating cylinder 5.

The device also comprises a conveying pipe 8 fixed on the shell 2 by bolts; the conveying pipe 8 comprises a cuboid pipe body 81, and an inlet pipe 86 and two water outlet pipes 82 are screwed on the side wall of the pipe body 81 through threads; the inlet pipe 86 and the outlet pipe 82 are communicated with the inner cavity of the pipe body 81; a partition plate 83 is fixed in the middle of the pipe body 81 by bolts, and the two water outlet pipes 82 are respectively positioned at two sides of the partition plate 83; a first water inlet network 84 is hinged at the end part of the inner cavity of the tube body 81; the inlet pipe 86 communicates with the first separator bracket 7; a water outlet pipe 82 adjacent to the inlet pipe 86 communicates with the second separation frame 6; the other water outlet pipe 82 is communicated with the separating cylinder 5; the isolation plate 83 includes a rectangular outer frame 831, and a baffle 832 is arranged in the inner cavity of the outer frame 831 in a penetrating manner; a second water inlet net 833 is hinged to one side of the outer frame 831; a rectangular discharging door 85 is hinged to the side wall of one side of the pipe body 81 far away from the water outlet pipe 82; the two discharging doors 85 correspond to the water outlet pipes 82 respectively.

Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The flocculant sewage treatment device is characterized by comprising a shell (2), wherein an inner cavity of the shell (2) is sequentially divided into a first filtering cavity, a second filtering cavity and a third filtering cavity by two partition plates (4); the upper part and the lower part of the first filter chamber are respectively fixed with a flocculation rack (3) and a first separation rack (7); a second separation frame (6) is fixed in the second filtering cavity; a separating cylinder (5) is fixed in the third filtering cavity; one port of the water inlet pipe (1) which is screwed on the outer wall of the shell (2) is communicated with the first filtering cavity;

the first separating frame (7) comprises a cubic box body (73), and a rectangular first filter screen (71) is fixed at the top end of the box body (73); a collecting shell (74) is fixed at the bottom of the box body (73), and a first conveying pipe (75) is screwed on the collecting shell (74); a plurality of settling plates (72) are fixed between the collecting case (74) and the first screen (71);

the separation barrel (5) comprises a cylindrical barrel body (51), a truncated cone-shaped drainage barrel (52) is screwed at the upper part of the barrel body (51), and an overflow pipe (53) is communicated with the drainage barrel (52); a collecting basin (54) is fixed at the bottom of the inner cavity of the cylinder body (51), and a second filter screen (55) is fixed at the bottom of the collecting basin (54); a drainage cavity is enclosed between the collection basin (54) and the bottom of the cylinder body (51), and a water inlet pipe (56) is communicated with the drainage cavity; a plurality of circular overflow ports (58) are arranged at the upper part of the cylinder body (51) in a penetrating way; a screen (57) is fixed on the upper part of the drainage cylinder (52) by bolts, and the screen (57) is sleeved on the outer side of the cylinder body (51).

2. The flocculant sewage treatment device according to claim 1, wherein the second separation frame (6) comprises a cubic housing (61), and filter frames (62) are fixed at intervals on two sides of an inner cavity of the housing (61); the collecting box (63) is fixed at the bottom of the shell (61); the upper part of the shell (61) is communicated with a fourth conveying pipe (64), and an output port of the fourth conveying pipe (64) is communicated with the third filtering cavity.

3. The flocculant sewage treatment device according to claim 1, wherein the flocculation rack (3) comprises a semi-cylindrical outer cover (31), and end covers (32) are fixed at two ends of the outer cover (31); two ends of the mixing frame (33) are respectively screwed on the two end covers (32) and rotate in a space enclosed by the end covers (32) and the outer cover (31).

4. A flocculant sewage treatment device according to claim 3, wherein the mixing frame (33) comprises a cylindrical central tube (334), a containing cavity (335) is arranged in the central tube (334) in a penetrating way, and the fan blades (331) are uniformly distributed on the outer wall of the central tube (334) along the radial direction; the flow guide holes (333) penetrating the fan blades (331) are communicated with the accommodating cavity (335); spraying holes (332) are formed in the two sides of the fan blades (331) in a penetrating mode, and the spraying holes (332) are communicated with the flow guide holes (333); a flocculating agent is added in the containing cavity (335).

5. The flocculant sewage treatment device according to claim 1, wherein the sedimentation plate (72) comprises a plurality of plate bodies (721) bolted together, and adjacent two of the plate bodies (721) are "V" -shaped; a plurality of filtering holes are arranged in the plate body (721) in a penetrating way, and a collecting groove (722) is concavely arranged at the lower edge of the plate body (721).

6. A flocculant sewage treatment device according to claim 1, wherein the collection housing (74) comprises a cubic housing (742), a deflector (741) is hinged within the housing (742); one side of the deflector (741) is connected to the shell (742) and the other side of the deflector slides to the bottom of the shell (742); the second delivery pipe (743) is screwed on the shell (742) and is close to the movable end of the guide plate (741).

7. The flocculant sewage treatment device according to claim 1, wherein the filter stand (62) comprises a frame (622), a first filter screen (621) is fixed on the top of the frame (622), and an adsorption plate (623) is hinged in the frame (622); a gap is reserved between two adjacent adsorption plates (623).

8. The flocculant sewage processor of claim 1, wherein the collection box (63) comprises a cubic housing (631), a bottom plate (632) is hinged in the housing (631), and a plurality of conveying grooves (634) are concavely arranged on the bottom plate (632); a third delivery pipe (633) is screwed on the outer wall of the shell (631), and the inlet of the third delivery pipe (633) is aligned with the outlet at the lower end of the delivery groove (634).

9. A flocculant sewage treatment plant as claimed in claim 1, further comprising a delivery pipe (8) bolted to the housing (2); the conveying pipe (8) comprises a cuboid pipe body (81), and an inlet pipe (86) and two outlet pipes (82) are screwed on the side wall of the pipe body (81) by threads; the inlet pipe (86) and the outlet pipe (82) are communicated with the inner cavity of the pipe body (81); a partition plate (83) is fixed in the middle of the pipe body (81) through bolts, and the two water outlet pipes (82) are respectively positioned on two sides of the partition plate (83); a first water inlet net (84) is hinged to the end part of the inner cavity of the pipe body (81); the inlet pipe (86) is communicated with the first separation frame (7); a water outlet pipe (82) close to the inlet pipe (86) is communicated with the second separation frame (6); the other water outlet pipe (82) is communicated with the separating cylinder (5); the isolation plate (83) comprises a rectangular outer frame (831), and a baffle (832) penetrates through the inner cavity of the outer frame (831); a second water inlet net (833) is hinged to one side of the outer frame (831); a rectangular discharging door (85) is hinged on the side wall of one side of the pipe body (81) far away from the water outlet pipe (82); the two discharging doors (85) respectively correspond to the water outlet pipes (82).