CN220976732U

CN220976732U - Bottom suction type multi-layer filtering spray assembly

Info

Publication number: CN220976732U
Application number: CN202322053538.6U
Authority: CN
Inventors: 廖芊羽
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-08-01
Filing date: 2023-08-01
Publication date: 2024-05-17
Anticipated expiration: 2033-08-01

Abstract

The application discloses a bottom suction type multi-layer filtering spray assembly, which comprises a filtering transparent cylinder and a sealing plug arranged at openings at the upper end and the lower end of the filtering transparent cylinder, wherein a connecting port is arranged in the middle of the sealing plug; the lower end of the filtering transparent cylinder is provided with a bottom suction pump, and the output end of the bottom suction pump penetrates through a connecting port on a plugging plug positioned at the lower end of the filtering transparent cylinder; six filtering spacers are arranged in the filtering transparent cylinder along the length direction, seven chambers are formed by separating the inside of the filtering transparent cylinder through the six filtering spacers, and the seven chambers are filled with filter layers; the connecting port on the plugging plug at the upper end of the filtering transparent cylinder is connected with a straight-through pipe, and the top of the straight-through pipe is connected with a water outlet mechanism. The application has the advantages that the multi-layer filtering treatment is realized by the multi-layer filter layer arranged in the filtering transparent cylinder, the filtering effect is improved, the whole design is compact, the plurality of filter layers are separated by the filtering spacer, no gap and redundant space are left between the filter layers, and the space waste is avoided.

Description

Bottom suction type multi-layer filtering spray assembly

Technical Field

The application relates to the field of ornamental fish tanks, in particular to a bottom suction type multi-layer filtering spray assembly.

Background

In ornamental fish culture, a culture space is generally provided through a fish tank, and the fish tank is widely used in resident rooms and offices of companies to provide ornamental; wherein the fish tank can use the component structure for filtering water quality, is used for filtering water, and ensures the quality of water.

The utility model discloses an oxygenation type fish tank with a siphon filter device, which comprises a fish tank, an air distributor positioned at the bottom of the fish tank and a filter box positioned on the inner wall of the fish tank, wherein the water level of the filter box is lower than that of the fish tank; the air distributor is connected with an air pump positioned outside the fish tank through an air duct; the filtering box is of a cylindrical structure with an opening at the upper end, a siphon pipe is arranged at the top, a reticular baffle is arranged in the middle, and a circular water outlet is arranged at the bottom; the siphon pipe is provided with a vacuum valve and a flow control valve, and the water inlet of the siphon pipe is provided with a filter grid; the net-shaped baffle is provided with a filtering material; the inside of the fish tank is also provided with a water pump, a circular water outlet at the bottom of the filter box is connected with a water inlet pipe of the water pump in a sealing way, and a water outlet pipe of the water pump is positioned at the bottom of the fish tank. The oxygen supply of the fish tank is regulated by utilizing the gas flowmeter, so that the requirements of fishes with different oxygen demands are met; the air distributor greatly improves the oxygen dissolving efficiency of the fish tank; the siphon sucks the excrement at the bottom of the fish tank into the filter box, so that the energy consumption for filtering is reduced.

Although the water in the fish tank can be filtered, the water filtering device has the following defects that the water cannot be filtered in multiple layers, the filtering effect is poor, the space of the whole structure is more, and the structure compactness is insufficient; further lack of water outlet effect in various forms, single water outlet form.

Accordingly, a bottom suction type multi-layer filtration spray assembly is proposed to address the above-described problems.

Disclosure of Invention

The embodiment provides a bottom suction type multi-layer filtering spray assembly, which is used for solving the problems that a fish tank water filtering assembly in the prior art lacks multi-layer filtering and has a single water outlet form.

According to one aspect of the application, a bottom suction type multi-layer filtering spray assembly is provided, and comprises a filtering transparent cylinder and sealing plugs arranged at openings at the upper end and the lower end of the filtering transparent cylinder, wherein a connecting port is arranged in the middle of each sealing plug; the lower end of the filtering transparent cylinder is provided with a bottom suction pump, and the output end of the bottom suction pump penetrates through a connecting port on a plugging plug positioned at the lower end of the filtering transparent cylinder; six filtering spacers are arranged in the filtering transparent cylinder along the length direction, seven chambers are formed by separating the inside of the filtering transparent cylinder through the six filtering spacers, and the seven chambers are filled with filter layers; the connecting port on the plugging plug at the upper end of the filtering transparent cylinder is connected with a straight-through pipe, and the top of the straight-through pipe is connected with a water outlet mechanism.

Further, the plugging plug is in threaded connection with the port of the filtering transparent cylinder; the plug is provided with a sealing gasket which is clamped between the plug and the end of the transparent filter cylinder.

Further, the bottom end of the straight-through pipe and the output end of the bottom suction pump are respectively in threaded connection with connecting ports of plugging plugs at the upper end and the lower end of the filtering transparent cylinder; and the bottom end of the straight-through pipe and the output end of the bottom suction pump are both provided with a raw material belt.

Further, the four corners of the bottom of the shell of the bottom suction pump are fixedly provided with foot pads.

Further, a plurality of through holes are formed in the filtering spacer; the edge of the filtering spacer is provided with a circle of rubber outer edge.

Further, the filter layers in the seven chambers are an isolation water layer, a coarse cotton filter layer, a fine cotton filter layer, a cylindrical filtering bacteria culture layer, a spherical filtering bacteria culture layer, a fine filtering bacteria culture layer and an active carbon filter layer from bottom to top in sequence.

Further, the water outlet mechanism comprises a five-way pipe, a first bent pipe, two shower pipes and two stream pipes; the bottom port of the five-way pipe is fixedly communicated with the top end of the straight pipe, one end parts of the two deluge pipes are fixedly communicated with the left end and the right end of the five-way pipe respectively, the two stream pipes are fixedly communicated with the front end of the five-way pipe and the top end of the five-way pipe respectively, and the top end of the five-way pipe is connected with the stream pipe at the top end of the five-way pipe through a first bent pipe; a pipe plug is arranged at one end of the deluge pipe far away from the straight-through pipe; the shower pipe is provided with a plurality of water outlet fine openings at equal intervals along the length direction, and a water outlet on the stream pipe is of a fan-shaped structure which is outwards opened.

Further, the water outlet mechanism comprises a three-way pipe, two deluge pipes and a pipe plug; the bottom end opening of three-way pipe and straight-through pipe top end fixed intercommunication, two the one end of drenching the pipe respectively with the port fixed intercommunication of three-way pipe left and right both sides, the pipe stopper is installed to the one end that drenches the pipe and keep away from the straight-through pipe, and drenches the pipe and be provided with a plurality of water thin mouth along length direction equidistant.

Further, the water outlet mechanism comprises a second bent pipe, a deluge pipe and a pipe plug; one end of the second bent pipe is fixedly communicated with the top end of the straight-through pipe, the other end of the second bent pipe is fixedly communicated with one end part of the deluge pipe, a pipe plug is arranged at one end, far away from the straight-through pipe, of the deluge pipe, and a plurality of water outlet thin openings are formed in the deluge pipe at equal intervals along the length direction.

Further, the water outlet mechanism comprises a third elbow pipe and a stream pipe; one end of the third bent pipe is fixedly communicated with the top end of the straight-through pipe, the other end of the third bent pipe is fixedly communicated with the stream water pipe, and a water outlet on the stream water pipe is of a fan-shaped structure which is outwards opened.

The application has the advantages that: according to the bottom suction type multi-layer filtering spray assembly, the bottom suction pump is adopted to suck water at the bottom of the fish tank, and multi-layer filtering treatment is realized through the multi-layer filtering layers arranged in the filtering transparent cylinder, so that the filtering effect is improved, the whole design is compact, the plurality of filtering layers are separated by the filtering spacer, no gap and redundant space are left between the filtering layers, and the space waste is avoided;

the water outlet mechanism arranged at the top of the water outlet device adopts various forms of water outlet, meets the water outlet requirements of different forms, and provides different forms of water outlet ornamental effects;

Furthermore, the whole filtering transparent cylinder and the filtering structure in the filtering transparent cylinder are formed by adopting multi-component installation, and the filtering structure can be maintained by disassembling and assembling, so that the filtering material in the filtering layer can be conveniently replaced.

Drawings

In order to more clearly illustrate the embodiments of the application or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the application, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic view of the whole structure of a first embodiment of the present application;

FIG. 2 is a schematic view showing the internal cross-sectional structure of a filter transparent cartridge according to an embodiment of the present application;

FIG. 3 is a schematic view of a filter spacer according to one embodiment of the present application;

FIG. 4 is a schematic illustration of a closure according to an embodiment of the present application;

FIG. 5 is a schematic diagram of the overall structure of a second embodiment of the present application;

FIG. 6 is a schematic diagram of the overall structure of a third embodiment of the present application;

Fig. 7 is a schematic overall structure of a fourth embodiment of the present application.

In the figure: 1. a bottom suction pump; 101. foot pads; 2. a filtering transparent cylinder; 3. sealing the plug; 301. a connection port; 4. a straight pipe; 5. a shower pipe; 501. a water outlet is formed; 6. a pipe plug; 7. a stream pipe; 8. filtering the septum; 801. an outer edge of the rubber; 802. a through hole; 9. isolating the water layer; 10. a coarse cotton filter layer; 11. a fine cotton filter layer; 12. a cylindrical filtering and bacteria culturing layer; 13. the sphere is filtered and cultivated into a bacterial layer; 14. fine filtering and bacteria culturing layer; 15. an activated carbon filter layer; 16. a five-way pipe; 17. a first elbow; 18. a three-way pipe; 19. a second elbow; 20. and a third elbow.

Detailed Description

In order that those skilled in the art will better understand the present application, a technical solution in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, shall fall within the scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the application herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are only used to better describe the present application and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.

Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present application will be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, the terms "mounted," "configured," "provided," "connected," "coupled," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.

Example 1

Referring to fig. 1-4, a bottom suction type multi-layer filtering spray assembly comprises a filtering transparent cylinder 2 and plugging plugs 3 arranged at openings at the upper end and the lower end of the filtering transparent cylinder 2, wherein a connecting port 301 is arranged in the middle of the plugging plugs 3; the lower end of the filtering transparent cylinder 2 is provided with a bottom suction pump 1, and the output end of the bottom suction pump 1 penetrates through a connecting port 301 positioned on the sealing plug 3 at the lower end of the filtering transparent cylinder 2;

Six filtering spacers 8 are arranged in the filtering transparent cylinder 2 along the length direction, seven chambers are formed by separating the inside of the filtering transparent cylinder 2 through the six filtering spacers 8, and filter layers are filled in the seven chambers;

The connecting port 301 on the plugging plug 3 at the upper end of the filtering transparent cylinder 2 is connected with a through pipe 4, and the top of the through pipe 4 is connected with a water outlet mechanism.

The plugging plug 3 is in threaded connection with the port of the filtering transparent cylinder 2; the sealing gasket is arranged on the sealing plug 3, is clamped between the sealing plug 3 and the end part of the filtering transparent cylinder 2, is in threaded connection, and is detachably mounted, and has sealing gasket to provide tightness of connection.

The bottom end of the straight-through pipe 4 and the output end of the bottom suction pump 1 are respectively in threaded connection with the connecting ports 301 of the plugging plugs 3 at the upper end and the lower end of the filtering transparent cylinder 2; the bottom of the straight-through pipe 4 and the output end of the bottom suction pump 1 are both provided with raw material belts, and the raw material belts are connected through threads, so that the detachable installation is realized, and the sealing of the joint is provided through the raw material belts.

The four corners of the bottom of the shell of the bottom suction pump 1 are fixedly provided with the pad feet 101.

In a specific implementation, the filtering spacer 8 is provided with a plurality of through holes 802; the edge of the filtering spacer 8 is provided with a circle of rubber outer edge 801, and the filtering spacer 8 provides separation of the filtering layers.

As a specific technical scheme, the filter layers in the seven chambers are an isolation water layer 9, a coarse cotton filter layer 10, a fine cotton filter layer 11, a cylindrical filter culture layer 12, a ball filter culture layer 13, a fine filter culture layer 14 and an active carbon filter layer 15 from bottom to top in sequence;

Specifically, the water outlet mechanism comprises a five-way pipe 16, a first bent pipe 17, two deluge pipes 5 and two stream pipes 7; the bottom end opening of the five-way pipe 16 is fixedly communicated with the top end of the straight pipe 4, one end parts of the two deluge pipes 5 are fixedly communicated with the left end and the right end of the five-way pipe 16 respectively, the two stream pipes 7 are fixedly communicated with the front end of the five-way pipe 16 and the top end of the five-way pipe 16 respectively, and the top end of the five-way pipe 16 is connected with the stream pipe 7 positioned at the top end of the five-way pipe 16 through a first bent pipe 17; a pipe plug 6 is arranged at one end of the deluge pipe 5 far away from the straight-through pipe 4; a plurality of water outlet thin openings 501 are formed in the deluge pipe 5 at equal intervals along the length direction, and a water outlet on the stream pipe 7 is of a fan-shaped structure which is opened outwards;

Wherein, a five-way pipe 16 is connected with the top end of the straight-way pipe 4, two sides of the straight-way pipe 4 are connected with a shower pipe 5 through the five-way pipe 16, and two stream pipes 7 are connected with the upper part of the straight-way pipe 4; the water is discharged through the plurality of water outlet fine openings 501 on the shower pipes 5 at the two sides, so that the water outlet range is increased, and shower type water outlet is realized; through the two stream pipes 7 at the top, the caliber of the water outlet position is increased by adopting the design of opening the water outlet position, so that the water flow speed is slowed down, and stream flowing out is formed; and the two-side rain water outlet and the two-stream water outlet form are provided.

Example two

Referring to fig. 2-5, a bottom suction type multi-layer filtering spray assembly comprises a filtering transparent cylinder 2 and plugging plugs 3 arranged at openings at the upper end and the lower end of the filtering transparent cylinder 2, wherein a connecting port 301 is arranged in the middle of the plugging plugs 3; the lower end of the filtering transparent cylinder 2 is provided with a bottom suction pump 1, and the output end of the bottom suction pump 1 penetrates through a connecting port 301 positioned on the sealing plug 3 at the lower end of the filtering transparent cylinder 2;

Specifically, the water outlet mechanism comprises a three-way pipe 18, two deluge pipes 5 and a pipe plug 6; the bottom port of the three-way pipe 18 is fixedly communicated with the top end of the straight pipe 4, one end parts of two deluge pipes 5 are respectively fixedly communicated with the ports on the left side and the right side of the three-way pipe 18, a pipe plug 6 is arranged at one end of the deluge pipe 5 far away from the straight pipe 4, and a plurality of water outlet fine openings 501 are arranged on the deluge pipe 5 at equal intervals along the length direction;

wherein, the top end of the straight-through pipe 4 is connected with a three-way pipe 18, and both sides of the straight-through pipe 4 are connected with a deluge pipe 5 through the three-way pipe 18; the water is discharged through the plurality of water outlet fine openings 501 on the shower pipes 5 on the two sides, so that double-side shower water discharge is realized.

Example III

Referring to fig. 2, 3, 4 and 6, a bottom suction type multi-layer filtering spray assembly comprises a filtering transparent cylinder 2 and plugging plugs 3 arranged at openings at the upper end and the lower end of the filtering transparent cylinder 2, wherein a connecting port 301 is arranged in the middle of the plugging plugs 3; the lower end of the filtering transparent cylinder 2 is provided with a bottom suction pump 1, and the output end of the bottom suction pump 1 penetrates through a connecting port 301 positioned on the sealing plug 3 at the lower end of the filtering transparent cylinder 2;

Specifically, the water outlet mechanism comprises a second elbow pipe 19, a deluge pipe 5 and a pipe plug 6; one end of the second bent pipe 19 is fixedly communicated with the top end of the straight pipe 4, the other end of the second bent pipe 19 is fixedly communicated with one end part of the deluge pipe 5, a pipe plug 6 is arranged at one end, far away from the straight pipe 4, of the deluge pipe 5, and a plurality of water outlet fine openings 501 are formed in the deluge pipe 5 at equal intervals along the length direction;

The top end of the straight pipe 4 is connected with a second bent pipe 19, and one side of the straight pipe 4 is connected with a shower pipe 5 through the second bent pipe 19; the water is discharged through the plurality of water outlet fine openings 501 on the single-side shower pipe 5, so that single-side shower water discharge is realized.

Example IV

Referring to fig. 2, 3, 4 and 7, a bottom suction type multi-layer filtering spray assembly comprises a filtering transparent cylinder 2 and plugging plugs 3 arranged at openings at the upper end and the lower end of the filtering transparent cylinder 2, wherein a connecting port 301 is arranged in the middle of the plugging plugs 3; the lower end of the filtering transparent cylinder 2 is provided with a bottom suction pump 1, and the output end of the bottom suction pump 1 penetrates through a connecting port 301 positioned on the sealing plug 3 at the lower end of the filtering transparent cylinder 2;

Specifically, the water outlet mechanism comprises a third elbow pipe 20 and a stream pipe 7; one end of the third elbow pipe 20 is fixedly communicated with the top end of the straight pipe 4, the other end of the third elbow pipe 20 is fixedly communicated with the stream pipe 7, and a water outlet on the stream pipe 7 is of a fan-shaped structure which is outwards opened;

Wherein, connect the third return bend 20 through the straight-through pipe 4 top, make straight-through pipe 4 top connect a stream water pipe 7 through the third return bend 20, adopt the design of opening of play water position, increased the bore of play water position for the rivers speed slows down, forms the stream formula and flows out.

Wherein, the isolation water layer 9 is formed by pumping the waste sediment of the fish tank by a bottom suction pump, and collects the fecal waste excreted by the fish.

The coarse cotton filter layer 10 is made of polyester and is used for preliminarily filtering the fecal waste excreted by fish in water.

The fine cotton filter layer 11 is made of polyester and is used for refining and filtering the fecal waste excreted by fish in water.

The cylindrical filtering bacteria-culturing layer 12, the spherical filtering bacteria-culturing layer 13 and the fine filtering bacteria-culturing layer 14 are made of nano ceramic, reduce water quality, culture nitrifying bacteria, increase oxygen dissolution, decompose harmful substances and purify and stabilize water quality.

The active carbon filter layer 15 is made of active carbon filter material, and can remove chlorine, colloid, organic matters and heavy metals in water by using active carbon.

Working principle: when the bottom suction type multi-layer filtering spray assembly is used, the whole assembly device is placed in a fish tank and is supported by contacting the pad feet 101 of the bottom suction pump 1 with the inner wall of the bottom of the fish tank; the bottom suction pump 1 is externally connected with a power supply and then works to absorb water at the bottom of the fish tank, so that the water enters the bottom of the filtering transparent cylinder 2 and is filtered through a multi-layer filter layer in the filtering transparent cylinder 2, and specifically, the water sequentially passes through the isolating water layer 9, the coarse cotton filter layer 10, the fine cotton filter layer 11, the cylindrical filtering bacteria-culturing layer 12, the spherical filtering bacteria-culturing layer 13, the fine filtering bacteria-culturing layer 14 and the active carbon filter layer 15 from bottom to top, so that multi-layer filtering is realized, and the filtering effect of the water is ensured;

After filtration, water enters the connecting pipe fitting, then enters the deluge pipe 5 and the stream pipe 7, flows out through the water outlet position of the stream pipe 7 and the water outlet of the deluge pipe 5, and flows to the top of the fish tank.

The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. The bottom suction type multi-layer filtering spray assembly comprises a filtering transparent cylinder (2) and plugging plugs (3) arranged at openings at the upper end and the lower end of the filtering transparent cylinder (2), wherein a connecting port (301) is arranged in the middle of each plugging plug (3); the method is characterized in that: the lower end of the filtering transparent cylinder (2) is provided with a bottom suction pump (1), and the output end of the bottom suction pump (1) penetrates through a connecting port (301) positioned on the sealing plug (3) at the lower end of the filtering transparent cylinder (2);

Six filtering spacers (8) are arranged in the filtering transparent cylinder (2) along the length direction, seven chambers are formed by separating the inside of the filtering transparent cylinder (2) through the six filtering spacers (8), and the seven chambers are filled with filter layers;

The connecting port (301) on the sealing plug (3) at the upper end of the filtering transparent cylinder (2) is connected with a straight-through pipe (4), and the top of the straight-through pipe (4) is connected with a water outlet mechanism.

2. The bottom suction type multi-layer filtration spray assembly according to claim 1, wherein: the plugging plug (3) is in threaded connection with the port of the filtering transparent cylinder (2); the sealing gasket is arranged on the sealing plug (3), and is clamped between the sealing plug (3) and the end part of the filtering transparent cylinder (2).

3. The bottom suction type multi-layer filtration spray assembly according to claim 1, wherein: the bottom end of the straight-through pipe (4) and the output end of the bottom suction pump (1) are respectively in threaded connection with the connecting ports (301) of the plugging plugs (3) at the upper end and the lower end of the filtering transparent cylinder (2); the bottom end of the straight-through pipe (4) and the output end of the bottom suction pump (1) are both provided with raw material belts.

4. The bottom suction type multi-layer filtration spray assembly according to claim 1, wherein: and the four corners of the bottom of the shell of the bottom suction pump (1) are fixedly provided with foot pads (101).

5. The bottom suction type multi-layer filtration spray assembly according to claim 1, wherein: a plurality of through holes (802) are formed in the filtering spacer (8); the edge of the filtering spacer (8) is provided with a circle of rubber outer edge (801).

6. The bottom suction type multi-layer filtration spray assembly according to claim 1, wherein: seven filter layers in the cavity are an isolation water layer (9), a coarse cotton filter layer (10), a fine cotton filter layer (11), a cylindrical filtering bacteria culture layer (12), a spherical filtering bacteria culture layer (13), a fine filtering bacteria culture layer (14) and an active carbon filter layer (15) from bottom to top in sequence.

7. The bottom suction type multi-layer filtration spray assembly according to claim 1, wherein: the water outlet mechanism comprises a five-way pipe (16), a first bent pipe (17), two deluge pipes (5) and two stream pipes (7); the bottom end opening of the five-way pipe (16) is fixedly communicated with the top end of the straight pipe (4), one end parts of the two deluge pipes (5) are fixedly communicated with the left end and the right end of the five-way pipe (16) respectively, the two stream pipes (7) are fixedly communicated with the front end of the five-way pipe (16) and the top end of the five-way pipe (16) respectively, and the top end of the five-way pipe (16) is connected with the stream pipe (7) positioned at the top end of the five-way pipe (16) through a first bent pipe (17); a pipe plug (6) is arranged at one end of the deluge pipe (5) far away from the straight-through pipe (4); the shower pipe (5) is provided with a plurality of water outlet thin openings (501) at equal intervals along the length direction, and a water outlet on the stream pipe (7) is of a fan-shaped structure which is outwards opened.

8. The bottom suction type multi-layer filtration spray assembly according to claim 1, wherein: the water outlet mechanism comprises a three-way pipe (18), two shower pipes (5) and a pipe plug (6); the bottom end opening of three-way pipe (18) is fixed to be linked together with straight-through pipe (4) top, two the one end of drenching pipe (5) respectively with the port fixed intercommunication of three-way pipe (18) left and right both sides, one end that drenches pipe (5) kept away from straight-through pipe (4) is installed pipe plug (6), and drenches pipe (5) and be provided with a plurality of water outlet slot (501) along length direction equidistant.

9. The bottom suction type multi-layer filtration spray assembly according to claim 1, wherein: the water outlet mechanism comprises a second elbow pipe (19), a deluge pipe (5) and a pipe plug (6); one end of the second bent pipe (19) is fixedly communicated with the top end of the straight-through pipe (4), the other end of the second bent pipe (19) is fixedly communicated with one end part of the deluge pipe (5), a pipe plug (6) is arranged at one end, far away from the straight-through pipe (4), of the deluge pipe (5), and a plurality of water outlet fine openings (501) are formed in the deluge pipe (5) at equal intervals along the length direction.

10. The bottom suction type multi-layer filtration spray assembly according to claim 1, wherein: the water outlet mechanism comprises a third elbow pipe (20) and a stream pipe (7); one end of the third bent pipe (20) is fixedly communicated with the top end of the straight-through pipe (4), the other end of the third bent pipe (20) is fixedly communicated with the stream pipe (7), and a water outlet on the stream pipe (7) is of a fan-shaped structure which is outwards opened.