A green building design construction drainage device

By designing a water absorption and purification device, a water level monitoring device and a multi-stage purification system, the problem that the existing drainer cannot automatically purify and discharge sewage is solved, and the effects of automation, multi-stage purification and efficient drainage are achieved.

CN116104181BActive Publication Date: 2025-10-17NANTONG SIJIAN GRP ARCHITECTURAL DESIGN CO LTD
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Patent Information

Application Number
CN202211618196.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-12-16
Publication Date
2025-10-17
Estimated Expiration
2042-12-16

AI Technical Summary

Technical Problem

Existing construction drainers are unable to automatically purify and discharge sewage, especially unable to effectively filter large particles of gravel and debris, and rely on manual operation of the water pump, resulting in low efficiency.

Method used

A green building design and construction drainer was designed, which includes a water absorption and purification device, a water level monitoring device, a purification device and a water pump. The water absorption device is used to filter large particles of stone and debris, and the water level monitoring device is used to achieve automatic discharge. Multi-stage purification is achieved through a spiral climbing purification device and activated carbon plates.

Benefits of technology

It realizes the automatic purification and discharge of sewage, effectively filters large-particle stones and debris, automatically detects the water level and starts discharge. The multi-stage purification effect significantly improves the water quality and ensures that the drainage rate is not affected.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses a green building design construction drainage device and relates to the technical field of building construction. The green building design construction drainage device comprises a shell, supporting legs are fixedly connected to the bottom surface of the shell, a hole is formed in the bottom surface of the shell, a water absorption and purification device is arranged at the hole in the inner cavity of the shell, the water absorption and purification device comprises a water absorption device, a purification device is fixedly connected to the top of the water absorption device, a water level monitoring device is fixedly connected to the outer surface of the water absorption device, a water inlet guide box is fixedly connected to the top of the water absorption and purification device, a horizontal water conveying pipe is fixedly connected to the right side of the water inlet guide box, a water outlet guide box is fixedly connected to the right side of the horizontal water conveying pipe, a vertical water conveying pipe is fixedly connected to the lower surface of the water outlet guide box, and the purposes of building sewage purification and automatic drainage are achieved.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of building construction, in particular to a green building design construction drainage device. BACKGROUND

[0002] The process of purifying sewage to meet the water quality requirements for discharge into a water body or for reuse. Sewage treatment is widely used in construction, agriculture, transportation, energy, petrochemical, environmental protection, urban landscape, medical treatment, catering and other fields, and is also increasingly used in the daily life of ordinary people. According to the source of sewage, sewage treatment is generally divided into production sewage treatment and domestic sewage treatment. Production sewage includes industrial sewage, agricultural sewage and medical sewage, etc., and domestic sewage is the sewage generated in daily life, which is a complex mixture of inorganic and organic substances, including: ① floating and suspended solid particles; ② colloidal and gelatinous diffusion; ③ pure solution; During the construction, a lot of sewage will be generated, which will carry large particles of gravel, sundries and some odor liquid, and the green building design emphasizes sustainable development, which often requires sewage discharge; and the drainage device on the market only uses manual opening of the water pump to discharge sewage, and cannot purify and automatically discharge the sewage. SUMMARY

[0003] (I) Technical problems solved

[0004] In view of the deficiencies of the prior art, the present application provides a green building design construction drainage device, which solves the problem that the drainage device on the market only uses manual opening of the water pump to discharge sewage, and cannot purify and automatically discharge the sewage.

[0005] (II) Technical scheme

[0006] To achieve the above purpose, the present application is realized by the following technical scheme: a green building design construction drainage device, comprising an outer shell, the bottom surface of the outer shell is fixedly connected with a supporting leg, a hole is formed in the bottom surface of the outer shell, a water absorption and purification device is arranged at the hole in the inner cavity of the outer shell, the water absorption and purification device comprises a water absorption device, the top of the water absorption device is fixedly connected with a purification device, the outer surface of the water absorption device is fixedly connected with a water level monitoring device, the top end of the water absorption and purification device is fixedly connected with a water inlet guide box, the right side of the water inlet guide box is fixedly connected with a horizontal water conveying pipe, the right side of the horizontal water conveying pipe is fixedly connected with a water outlet guide box, the lower surface of the water outlet guide box is fixedly connected with a vertical water conveying pipe, the bottom end of the vertical water conveying pipe is fixedly connected with a water pump, the right end of the water pump is fixedly connected with a water outlet pipe, and the water outlet pipe penetrates through the side surface of the outer shell and extends to the outer surface of the outer shell.

[0007] Preferably, the water absorption device comprises a water absorption device shell, a fender is fixedly connected between opposite surfaces of the water inlet cavity, a fixed shaft is fixedly connected to the side surface of the water absorption device shell inner cavity, a baffle is rotatably connected to the outer surface of the fixed shaft, a steering box is fixedly connected to the lower surface of the baffle, the steering box comprises a steering box shell, a steering box fixing rod is fixedly connected between opposite surfaces of the steering box shell inner cavity, a steering box baffle is rotatably connected to the outer surface of the steering box fixing rod, a spring is fixedly connected to the lower surface of the steering box baffle, a support column is fixedly connected to the end of the spring away from the steering box baffle, and the support column is fixedly connected to the inner cavity surface of the water absorption device shell. Through the arrangement of the water absorption device, the large stone particles and sundries in the sewage in the building can be filtered out through the treatment of the water absorption device. The sewage passes through the water inlet and the fender, most of the silt is removed, the machine is prevented from being blocked, and a first-stage purification effect on the sewage is achieved.

[0008] Preferably, a square hole is formed in the side of the water absorption device shell inner cavity away from the baffle, a collection box is sleeved in the square hole of the water absorption device shell, a handle is fixedly connected to the outer surface of the collection box, and a draining plate is fixedly connected to the bottom of the collection box inner cavity. Through the arrangement of the baffle and the collection box, the stones fall onto the baffle due to their own gravity, the baffle is inclined after a certain amount of stones are accumulated, and the stones fall into the collection box. When the stones reach a certain degree in the collection box, the collection box can be taken out, the stones and sundries are taken out, and a second-stage purification effect on the sewage is achieved.

[0009] Preferably, the water level monitoring device comprises a bottom shell, a partition is arranged on the lower surface of the bottom shell, a floating ball is arranged in the bottom shell inner cavity, a monitor shell is fixedly connected to the upper surface of the bottom shell, a movable plate is arranged at the bottom of the monitor shell, a protruding block is fixedly connected to the lower surface of the movable plate, a trigger block is fixedly connected to the upper surface of the movable plate, and a trigger button is mounted at the top of the monitor shell inner cavity. Through the arrangement of the water level monitoring device, when the sewage on the building surface reaches a certain degree, the floating ball will climb upward due to its own buoyancy. When the water level reaches a certain peak value, the upper surface of the floating ball pushes the protruding block to move upward until the trigger block is pressed against the trigger button. At this time, the machine automatically starts to operate, thereby achieving the effect of automatic discharge of the sewage.

[0010] Preferably, the purification device comprises a purification device pipeline, an inner cavity of the purification device pipeline is fixedly connected with water purification plates, the number of the water purification plates is several, and the several water purification plates are fixedly connected in the inner cavity of the purification device pipeline in a spiral climbing manner, the water purification plate comprises a hook-shaped support, the bottom surface of the hook-shaped support is provided with an activated carbon plate, and the inner surface of the hook-shaped support is fixedly connected with support rods. By arranging the purification device, the purification device is arranged in the purification device pipeline in a spiral climbing manner. Because the spiral climbing arrangement is adopted, sewage can be filtered in all directions, and meanwhile, the drainage rate is not affected due to the full-coverage arrangement. The activated carbon plate is arranged on the bottom surface of the hook-shaped support, and the activated carbon plate has certain holes, so that the flowability of the sewage is not affected. The sewage passes through the activated carbon plate, and the irritating odor and impurities in the sewage can be adsorbed, so that the water quality is purified.

[0011] Preferably, one end of the support rod away from the hook-shaped support is fixedly connected with a purification ball, the inner cavity bottom of the purification ball is provided with a storage rack, the upper surface of the storage rack is provided with an activated carbon bag, and the upper surface of the purification ball is fixedly connected with a sieve plate. By arranging the purification ball, the sewage can be further purified. The purification ball is internally provided with a more efficient activated carbon bag, which can adsorb the irritating odor and impurities that cannot be adsorbed by the activated carbon plate, so that the effect of three-stage water purification is achieved.

[0012] Preferably, the water pump comprises a water pump shell, a motor is installed at the bottom of the inner cavity of the water pump shell, a rotating rod is rotatably connected to the upper surface of the motor, one end of the rotating rod is connected to the output end of the motor, and a fan blade is fixedly connected to the outer surface of the rotating rod. By arranging the water pump, suction can be generated quickly when the water level monitoring device is triggered, so that the sewage can be discharged.

[0013] (Three) beneficial effects

[0014] The application provides a green building design construction drainage device.

[0015] (I) The green building design construction drainage device is provided with a water suction device, so that large stone particles and sundries in sewage in a building can be filtered out through the water suction device. The sewage passes through the water inlet and the mud guard, so that most of the silt is removed, the machine is prevented from being blocked, and the sewage is purified in the first stage. The sewage passes through the baffle, and the stone particles fall on the baffle due to their own gravity. After a certain amount of stone particles are accumulated, the baffle is inclined, and the stone particles fall into the collecting box. When the stone particles reach a certain degree in the collecting box, the collecting box can be taken out, and the stone particles and sundries are taken out, so that the sewage is purified in the second stage.

[0016] (ii), the green building design construction drainage device, through the setting water level monitoring device, when the building surface sewage reaches a certain degree, the float ball will climb up due to its own buoyancy, when the water level reaches a certain peak, the upper surface of the float ball moves up against the convex block, until the trigger block and the trigger button are extruded, at this time the machine starts to run automatically, so as to achieve the effect of automatic discharge of sewage.

[0017] (iii), the green building design construction drainage device, by setting the purification device, the purification plate is arranged in the purification device pipeline in the form of spiral climbing, because the spiral climbing arrangement is adopted, therefore the sewage can be filtered in all directions, and the drainage rate is avoided due to the full coverage arrangement.

[0018] (iv), the green building design construction drainage device, the lower surface of the hook-shaped support is provided with an activated carbon plate, the activated carbon plate has certain holes, so that the flow of sewage is not affected, the sewage passes through the activated carbon plate, can adsorb the irritating odor in the sewage and achieve the effect of purifying water quality, by setting the purification ball, the sewage can be further purified, the purification ball is provided with more efficient activated carbon bag, which can adsorb the irritating odor and impurities that cannot be adsorbed by the activated carbon plate, so as to achieve the effect of three-stage water purification.

[0019] (v), the green building design construction drainage device, by setting the water pump, the suction force can be quickly generated when the water level line monitoring device is triggered, so as to achieve the effect of discharging sewage. DETAILED DESCRIPTION

[0020] Figure 1 it is the whole structure schematic diagram of the present application;

[0021] Figure 2 it is the structure schematic diagram of the water absorption purification device of the present application;

[0022] Figure 3 it is the structure schematic diagram of the water absorption device of the present application;

[0023] Figure 4 it is the structure schematic diagram of the steering box of the present application;

[0024] Figure 5 it is the structure schematic diagram of the water level line monitoring device of the present application;

[0025] Figure 6 it is the structure schematic diagram of the purification device of the present application;

[0026] Figure 7 it is the structure schematic diagram of the water purification plate of the present application;

[0027] Figure 8 it is the structure schematic diagram of the water pump of the present application.

[0028] Figure: 1, the shell; 2, support leg; 3, water purification device; 4, water inlet guide box; 5, horizontal water pipe; 6, water outlet guide box; 7, vertical water pipe; 8, water pump; 9, water outlet pipe; 31, water suction device; 32, water level monitoring device; 33, purification device; 3101, water suction device shell; 3102, fixed shaft; 3103, baffle; 3104, steering box; 3105, support column; 3106, spring; 3107, collection box; 3108, handle; 3109, drain plate; 3110, water inlet; 3111, mudguard; 3141, steering box shell; 3142, steering box fixing rod; 3143, steering box baffle; 321, bottom shell; 322, spacer; 323, floating ball; 324, monitor shell; 325, movable plate; 326, protruding block; 327, trigger block; 328, trigger button; 331, purification device pipeline; 332, water purification plate; 3321, hook-shaped support; 3322, activated carbon plate; 3323, support rod; 3324, purification ball; 3325, shelf; 3326, activated carbon package; 3327, sieve plate; 81, water pump shell; 82, motor; 83, rotating rod; 84, fan blade. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0030] Embodiment one

[0031] As shown in Figure 1 , 8 , the present application provides a technical solution: a green building design construction drainage device, comprising a shell 1, the bottom surface of the shell 1 is fixedly connected with a support leg 2, a hole is formed in the bottom surface of the shell 1, a water suction and purification device 3 is arranged at the hole in the inner cavity of the shell 1, the water suction and purification device 3 comprises a water suction device 31, the top of the water suction device 31 is fixedly connected with a purification device 33, the outer surface of the water suction device 31 is fixedly connected with a water level monitoring device 32, the top end of the water suction and purification device 3 is fixedly connected with a water inlet guide box 4, the right side of the water inlet guide box 4 is fixedly connected with a horizontal water pipe 5, the right side of the horizontal water pipe 5 is fixedly connected with a water outlet guide box 6, the lower surface of the water outlet guide box 6 is fixedly connected with a vertical water pipe 7, the bottom end of the vertical water pipe 7 is fixedly connected with a water pump 8, the right end of the water pump 8 is fixedly connected with a water outlet pipe 9, the water outlet pipe 9 penetrates through the side surface of the shell 1 and extends to the outer surface of the shell 1.

[0032] The water pump 8 comprises a water pump shell 81, a motor 82 is installed at the bottom of the inner cavity of the water pump shell 81, a rotating rod 83 is rotatably connected to the upper surface of the motor 82, one end of the rotating rod 83 is connected with the output end of the motor 82, and a fan blade 84 is fixedly connected to the outer surface of the rotating rod 83.

[0033] The embodiment one has the following working steps:

[0034] Step one, the green building design construction drainage device, through the setting of the water suction device 31, the sewage in the building can be filtered to remove large particles of gravel and sundries through the treatment of the water suction device 31, the sewage is taken out most of the silt through the effect of the water inlet 3110 and the mudguard 3111, the machine is prevented from being blocked, and the first purification effect of the sewage is achieved, and through the setting of the water pump 8, the suction force can be quickly generated when the water level monitoring device 32 triggers, and the discharge effect of the sewage is achieved.

[0035] Embodiment two

[0036] As Figures 2-5 shown, on the basis of the embodiment one, the application provides a technical scheme: the water suction device 31 comprises a water suction device shell 3101, a water inlet 3110 is fixedly connected to the lower surface of the water suction device shell 3101, opposite surfaces in the inner cavity of the water inlet 3110 are fixedly connected with a mudguard 3111, a fixed shaft 3102 is fixedly connected to the side surface in the inner cavity of the water suction device shell 3101, a baffle 3103 is rotatably connected to the outer surface of the fixed shaft 3102, a steering box 3104 is fixedly connected to the lower surface of the baffle 3103, the steering box 3104 comprises a steering box shell 3141, steering box fixed rods 3142 are fixedly connected between opposite surfaces in the inner cavity of the steering box shell 3141, steering box baffles 3143 are rotatably connected to the outer surfaces of the steering box fixed rods 3142, springs 3106 are fixedly connected to the lower surfaces of the steering box baffles 3143, support columns 3105 are fixedly connected to one end of the springs 3106 away from the steering box baffles 3143, and the support columns 3105 are fixedly connected to the inner cavity surface of the water suction device shell 3101.

[0037] A square hole is formed in one side of the inner cavity of the water suction device shell 3101 away from the baffle 3103, a collecting box 3107 is sleeved in the square hole of the water suction device shell 3101, a handle 3108 is fixedly connected to the outer surface of the collecting box 3107, and a draining plate 3109 is fixedly connected to the bottom of the inner cavity of the collecting box 3107.

[0038] The water level line monitoring device 32 includes a bottom shell 321, the lower surface of the bottom shell 321 is provided with a partition bar 322, a float 323 is provided in the inner cavity of the bottom shell 321, the upper surface of the bottom shell 321 is fixedly connected to the monitor shell 324, the bottom of the monitor shell 324 is provided with a movable plate 325, the lower surface of the movable plate 325 is fixedly connected to a protruding block 326, the upper surface of the movable plate 325 is fixedly connected to a trigger block 327, and a trigger button 328 is installed on the top of the inner cavity of the monitor shell 324.

[0039] This second embodiment has the following steps:

[0040] Step 1: By setting up a baffle 3103 and a collection box 3107, the sewage passes through the baffle 3103. Due to the gravity of the stones themselves, the stones fall onto the baffle 3103. After a certain amount of stones accumulate, the baffle 3103 tilts and falls into the collection box 3107. When the stones in the collection box 3107 reach a certain level, the collection box 3107 can be taken out and the stones and debris can be taken out, thereby achieving a secondary purification effect on the sewage.

[0041] Step 2: By setting up a water level monitoring device 32, when the sewage on the building surface reaches a certain level, the float 323 will climb upward due to its own buoyancy. When the water level reaches a certain peak, the upper surface of the float 323 moves upward against the protruding block 326 until the trigger block 327 is squeezed by the trigger button 328. At this time, the machine automatically starts to operate, thereby achieving the effect of automatic discharge of sewage.

[0042] Example 3

[0043] like Figures 6-7 As shown, based on Example 1 and Example 2, the present invention provides a technical solution: the purification device 33 includes a purification device pipe 331, the inner cavity of the purification device pipe 331 is fixedly connected to a water purification plate 332, the number of the water purification plates 332 is several, and the several water purification plates 332 are fixedly connected to the inner cavity of the purification device pipe 331 in a spiral climbing manner, the water purification plate 332 includes a hook-shaped bracket 3321, the bottom surface of the hook-shaped bracket 3321 is provided with an activated carbon plate 3322, and the inner surface of the hook-shaped bracket 3321 is fixedly connected to a plurality of support rods 3323.

[0044] The end of the support rod 3323 away from the hook-shaped bracket 3321 is fixedly connected to a purification ball 3324, a storage rack 3325 is provided at the bottom of the inner cavity of the purification ball 3324, an activated carbon bag 3326 is provided on the upper surface of the storage rack 3325, and a sieve plate 3327 is fixedly connected to the upper surface of the purification ball 3324.

[0045] The third embodiment has the following working steps:

[0046] Step one, the green building design construction drainage device, by setting the purification device 33, the purification plate 332 is set in the purification device pipeline 331 in the form of spiral climbing, because the spiral climbing arrangement is adopted, therefore the sewage can achieve all-round filtration, at the same time avoid the influence of drainage rate because of full coverage arrangement.

[0047] Step two, the lower surface of the hook-shaped support 3321 is provided with an activated carbon plate 3322, the activated carbon plate 3322 is provided with certain holes, so it has no influence on the flowability of sewage, the sewage passing through the activated carbon plate 3322 can adsorb the irritating odor in the sewage and achieve the effect of purifying water quality, by setting the purification ball 3324, the sewage can be further purified, the purification ball 3324 is provided with more efficient activated carbon bag 3326, which can adsorb the irritating odor and impurities that the activated carbon plate 3322 cannot adsorb, achieving the effect of three-stage water purification.

[0048] It should be noted that in this text, relational terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the element defined by the statement "including a" does not exclude the presence of other identical elements in the process, method, article or equipment including the element.

[0049] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A green building design and construction drainer, comprising a housing (1), characterized in that: The bottom surface of the shell (1) is fixedly connected to a support leg (2), the bottom surface of the shell (1) is provided with a hole, and a water absorption and purification device (3) is provided at the hole in the inner cavity of the shell (1), the water absorption and purification device (3) comprises a water absorption device (31), the top of the water absorption device (31) is fixedly connected to a purification device (33), the outer surface of the water absorption device (31) is fixedly connected to a water level monitoring device (32), and the top of the water absorption and purification device (3) is fixedly connected to a water inlet guide. The water inlet guide box (4) is fixedly connected to a horizontal water pipe (5) on the right side of the water inlet guide box (4), and the water outlet guide box (6) is fixedly connected to the right side of the horizontal water pipe (5). The lower surface of the water outlet guide box (6) is fixedly connected to a vertical water pipe (7), and the bottom end of the vertical water pipe (7) is fixedly connected to a water pump (8). The right end of the water pump (8) is fixedly connected to a water outlet pipe (9), and the water outlet pipe (9) passes through the side surface of the housing (1) and extends to the outer surface of the housing (1); The water absorbing device (31) comprises a water absorbing device housing (3101), a water inlet (3110) being fixedly connected to the lower surface of the water absorbing device housing (3101), a fender (3111) being fixedly connected between opposite surfaces of the inner cavity of the water inlet (3110), a fixed shaft (3102) being fixedly connected to the side surface of the inner cavity of the water absorbing device housing (3101), a baffle (3103) being rotatably connected to the outer surface of the fixed shaft (3102), a steering box (3104) being fixedly connected to the lower surface of the baffle (3103), and the steering box (3104) being fixedly connected to the lower surface of the baffle. ) comprises a steering box housing (3141), a steering box fixing rod (3142) fixedly connected between opposite surfaces of the inner cavity of the steering box housing (3141), a steering box baffle (3143) rotatably connected to the outer surface of the steering box fixing rod (3142), a spring (3106) fixedly connected to the lower surface of the steering box baffle (3143), an end of the spring (3106) away from the steering box baffle (3143) fixedly connected to a support column (3105), and the support column (3105) fixedly connected to the inner cavity surface of the water absorption device housing (3101); A square hole is provided on a side of the inner cavity of the water absorption device housing (3101) away from the baffle (3103); a collection box (3107) is sleeved in the square hole of the water absorption device housing (3101); a handle (3108) is fixedly connected to the outer surface of the collection box (3107); and a drain plate (3109) is fixedly connected to the bottom of the inner cavity of the collection box (3107); The water level monitoring device (32) comprises a bottom shell (321), a spacer (322) is provided on the lower surface of the bottom shell (321), a float (323) is provided in the inner cavity of the bottom shell (321), a monitor shell (324) is fixedly connected to the upper surface of the bottom shell (321), a movable plate (325) is provided at the bottom of the monitor shell (324), a protruding block (326) is fixedly connected to the lower surface of the movable plate (325), a trigger block (327) is fixedly connected to the upper surface of the movable plate (325), and a trigger button (328) is installed at the top of the inner cavity of the monitor shell (324); The purification device (33) includes a purification device pipe (331), the inner cavity of the purification device pipe (331) is fixedly connected to a water purification plate (332), the number of the water purification plates (332) is multiple, and the multiple water purification plates (332) are fixedly connected to the inner cavity of the purification device pipe (331) in a spiral climbing manner, the water purification plate (332) includes a hook-shaped bracket (3321), the bottom surface of the hook-shaped bracket (3321) is provided with an activated carbon plate (3322), and the inner surface of the hook-shaped bracket (3321) is fixedly connected to a plurality of support rods (3323); A purification ball (3324) is fixedly connected to one end of the support rod (3323) away from the hook-shaped bracket (3321); a storage rack (3325) is provided at the bottom of the inner cavity of the purification ball (3324); an activated carbon bag (3326) is provided on the upper surface of the storage rack (3325); and a sieve plate (3327) is fixedly connected to the upper surface of the purification ball (3324); The water pump (8) comprises a water pump housing (81), a motor (82) is mounted at the bottom of the inner cavity of the water pump housing (81), a rotating rod (83) is rotatably connected to the upper surface of the motor (82), one end of the rotating rod (83) is connected to the output end of the motor (82), and a fan blade (84) is fixedly connected to the outer surface of the rotating rod (83).

Citation Information

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