A municipal sewage centralized treatment device

Abstract

The application belongs to the technical field of sewage treatment equipment, and provides a municipal sewage centralized treatment device, which comprises a sewage centralized treatment tank and a floating island assembly arranged in the sewage centralized treatment tank, the floating island assembly comprises a floating island and an aeration mechanism and a watering mechanism arranged on the floating island; wherein the aeration mechanism comprises: a water suction pump arranged on the floating island and fixedly connected with the floating island; a water suction pipe arranged at the bottom of the floating island, with a water outlet end connected with and communicated with a water inlet end of the water suction pump; and an aeration pipe arranged along the longitudinal direction at the top of the floating island, fixedly connected with the floating island, with a water inlet end connected with and communicated with a water outlet end of the water suction pump; the watering mechanism is used for watering plants on the floating island when the temperature exceeds a preset value. The municipal sewage centralized treatment device provided by the application has simple structure and reasonable design, and can water plants on the floating island when the temperature exceeds a preset value, so that the plants are prevented from being burned by the sun.

Description

TECHNICAL FIELD

[0001] The present application relates to the municipal sewage centralized treatment device technical field, specifically to a municipal sewage centralized treatment device. BACKGROUND

[0002] The floating island assembly (i.e. artificial floating island) utilizes the ecological engineering principle to degrade the content of COD, N, P and the like in water, and has a particularly significant effect on the purification of eutrophic water. Therefore, it is widely used in the municipal sewage centralized treatment.

[0003] However, the floating island assembly in the prior art does not usually have a watering mechanism arranged on the floating island, so that it cannot water the plants on the floating island at high temperature, and the plants on the floating island are easily burned by the sun, thereby affecting the purification effect. SUMMARY

[0004] In view of the defects in the prior art, the purpose of the present application is to provide a municipal sewage centralized treatment device to solve or alleviate the above-mentioned problems existing in the prior art.

[0005] In order to achieve the above-mentioned purpose, on the one hand, the present application provides a municipal sewage centralized treatment device, which comprises a sewage centralized treatment pool and a floating island assembly arranged in the sewage centralized treatment pool, the floating island assembly comprises a floating island, and the floating island assembly further comprises an aeration mechanism and a watering mechanism arranged on the floating island.

[0006] The aeration mechanism comprises:

[0007] A water pumping pump is arranged on the floating island and is fixedly connected with the floating island.

[0008] A water pumping pipe is arranged at the bottom of the floating island, and the water outlet end of the water pumping pipe is connected with and communicates with the water inlet end of the water pumping pump.

[0009] An aeration pipe is arranged at the top of the floating island in the longitudinal direction, is fixedly connected with the floating island, and the water inlet end of the aeration pipe is connected with and communicates with the water outlet end of the water pumping pump.

[0010] The watering mechanism is used to water the plants on the floating island when the temperature exceeds a preset value.

[0011] Further, the aeration mechanism further comprises:

[0012] An aeration plate is arranged at the water outlet end of the aeration pipe, and a plurality of aeration plates are uniformly arranged around the axis of the aeration pipe.

[0013] A spray head is arranged at the water outlet end of the aeration pipe and is fixedly connected with the aeration pipe.

[0014] The water is sprayed to the aeration plate by the spray head in the working state, so that the water is dispersed due to the impact on the aeration plate, thereby increasing the contact area of the water and the air.

[0015] Further, the water spraying mechanism comprises:

[0016] The mounting seat is sleeved on the lower end of the aeration pipe, the inner side wall of the mounting seat is sealed with the outer side wall of the aeration pipe, the mounting seat is movably connected with the aeration pipe, the inner side wall of the mounting seat is provided with a water guide groove, the lower end of the aeration pipe is correspondingly provided with a water outlet hole, a water spraying pipe is fixedly arranged on the mounting seat, the water spraying pipe is communicated with the water guide groove, and the mounting seat has a first position and a second position.

[0017] When the mounting seat is in the first position, the water guide groove and the water outlet hole are staggered with each other, so that the water in the aeration pipe cannot enter the water guide groove through the water outlet hole.

[0018] When the mounting seat is in the second position, the water guide groove and the water outlet hole correspond to each other, so that the water in the aeration pipe can enter the water guide groove through the water outlet hole, and finally be sprayed out through the water spraying pipe.

[0019] The first driving structure is in transmission connection with the mounting seat and is used for driving the mounting seat to rotate.

[0020] The second driving structure is in transmission connection with the mounting seat and is used for driving the mounting seat to make reciprocating linear motion between the first position and the second position.

[0021] Further, the first driving structure comprises:

[0022] The rotating seat is sleeved on the aeration pipe and is rotatably connected with the aeration pipe, and a plurality of aeration plates are fixedly connected with the rotating seat; and

[0023] The driving seat is sleeved on the aeration pipe and the mounting seat and is rotatably connected with the aeration pipe, the driving seat is in transmission connection with the rotating seat, so that the rotating seat can transmit power to the driving seat, thereby driving the driving seat to rotate.

[0024] The driving seat is in transmission connection with the mounting seat, so as to drive the mounting seat to rotate.

[0025] Further, the outer side wall of the mounting seat is provided with a guide groove, the length direction of the guide groove extends along the axial line direction of the aeration pipe, and the inner side wall of the rotating seat is correspondingly provided with a driving part matched with the guide groove.

[0026] In the working state, the driving part cooperates with the guide groove, so that the driving base can transmit power to the mounting base to drive the mounting base to rotate.

[0027] Further, the second driving structure comprises:

[0028] a first electric push rod fixedly arranged on the floating island, and a power output shaft of the first electric push rod in transmission connection with the mounting base;

[0029] or

[0030] the second driving structure comprises:

[0031] a permanent magnet fixedly inlaid at the bottom of the mounting base; and

[0032] an electromagnet fixedly arranged on the floating island, wherein the electromagnet is different in magnetism from the side opposite to the permanent magnet;

[0033] or

[0034] the second driving structure comprises the guide groove and the driving part, wherein the guide groove is arranged obliquely, and when the rotating base rotates, the rotating base applies a force to the mounting base through cooperation of the driving part and the guide groove, so as to drive the mounting base to rotate around the axis of the aeration pipe and move from the first position to the second position.

[0035] Further, the floating island assembly further comprises a locking mechanism arranged on the driving base and the floating island, and the locking mechanism has a locking state and an unlocking state.

[0036] When the locking mechanism is in the locking state, the locking mechanism locks the driving base, so that the driving base cannot rotate, and thus the aeration plate cannot rotate.

[0037] When the locking mechanism is in the unlocking state, the locking mechanism releases the locking of the driving base, so that the driving base can rotate, and thus when the water sprayed by the nozzle hits the aeration plate, the aeration plate can rotate, and the aeration plate transmits power to the driving base through the rotating base to drive the mounting base to move.

[0038] Further, the locking mechanism comprises:

[0039] a second electric push rod fixedly arranged on the floating island; and

[0040] a locking slider, which is disposed on one side of the driving seat and is slidably connected to the floating island, and is fixedly connected to the power output shaft of the second electric push rod, and has a fifth position and a sixth position;

[0041] In which, the side wall of the locking slider facing the drive seat is provided with a first limiting tooth structure, and the outer side wall of the drive seat is correspondingly provided with a second limiting tooth structure. When the locking slider is in the fifth position, the locking slider and the drive seat are separated from each other so that the locking mechanism is in an unlocked state; when the locking slider is in the sixth position, the first limiting tooth structure and the second limiting tooth structure cooperate with each other to lock the drive seat.

[0042] Beneficial effects of the present invention:

[0043] The municipal sewage centralized treatment device provided by the present invention provides a watering mechanism on the floating island assembly, thereby spraying water on the plants on the floating island to cool them down when the temperature is high, thereby achieving the purpose of preventing the plants on the floating island from being burned by the scorching sun. BRIEF DESCRIPTION OF THE DRAWINGS

[0044] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following briefly describes the drawings required for the specific embodiments or the description of the prior art. Similar elements or parts are generally identified by similar reference numerals throughout the drawings. Elements or parts in the drawings are not necessarily drawn to scale.

[0045] Figure 1 A three-dimensional view of a centralized municipal sewage treatment device provided by one embodiment of the present invention;

[0046] Figure 2 for Figure 1 An enlarged view of section A is shown;

[0047] Figure 3 for Figure 1 A combined three-dimensional view of the aeration mechanism, sprinkler mechanism, locking mechanism, and locking mechanism of the municipal sewage centralized treatment device shown; (Example 1)

[0048] Figure 4 for Figure 3 An enlarged view of portion B is shown;

[0049] Figure 5 for Figure 3 A cross-sectional view of portion B shown;

[0050] Figure 6 for Figure 5 An enlarged view of section C is shown;

[0051] Figure 7 forFigure 1 A combined three-dimensional view of the aeration mechanism, sprinkler mechanism, locking mechanism, and locking mechanism of the municipal sewage centralized treatment device shown; (Example 2)

[0052] Figure 8 for Figure 7 An enlarged view of section D is shown;

[0053] Figure 9 for Figure 7 A cross-sectional view of portion D shown;

[0054] Figure 10 for Figure 9 An enlarged view of section E is shown;

[0055] Figure 11 for Figure 1 A combined three-dimensional view of the aeration mechanism, sprinkler mechanism, locking mechanism, and locking mechanism of the municipal sewage centralized treatment device shown; (Example 3)

[0056] Figure 12 for Figure 11 An enlarged view of section F is shown;

[0057] Figure 13 for Figure 11 A cross-sectional view of portion F shown;

[0058] Figure 14 for Figure 13 An enlarged view of section G is shown;

[0059] Figure 15 for Figure 11 A perspective view of a drive base of the municipal sewage centralized treatment device of the illustrated embodiment;

[0060] Figure 16 for Figure 11 A three-dimensional view of the mounting base and sprinkler pipe of the municipal sewage centralized treatment device of the illustrated embodiment.

[0061] Reference numerals:

[0062] 100, floating island; 210, water pumping pipe; 220, water pumping pump; 230, aeration pipe; 231, water outlet hole; 232, mounting hole; 240, aeration plate; 250, spray head; 260, filtering device; 310, mounting seat; 311, water guide groove; 312, water guide hole; 313, guide groove; 320, sprinkling pipe; 330, rotating seat; 331, support frame; 340, driving seat; 341, driving part; 342, second limiting tooth structure; 350, transmission rod; 360, first electric push rod; 370, permanent magnet; 380, electromagnet; 390, first elastic element; 410, push plate; 411, locking rod; 420, locking groove; 430, second elastic element; 510, second electric push rod; 520, locking slider; 521, first limiting tooth structure. DETAILED DESCRIPTION

[0063] The embodiments of the technical solutions of the present application will be described in detail below with reference to the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solutions of the present application, and therefore only serve as examples, and cannot limit the protection scope of the present application.

[0064] It should be noted that, unless otherwise specified, the technical terms or scientific terms used in the present application should be understood as the usual meanings understood by the skilled in the art to which the present application belongs.

[0065] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0066] In addition, the terms "first", "second", and the like are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specifically limited.

[0067] In the present application, unless specifically defined and limited otherwise, the terms "mounting", "connected", "connection", "fixed", and the like should be interpreted broadly, for example, can be fixed connection, can also be detachable connection, or integral; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0068] In the present application, unless specifically defined and limited otherwise, the first feature is "on" or "under" the second feature. The first and second features can be in direct contact or indirectly contact through an intermediate medium. Moreover, the first feature "on", "above" and "on" the second feature can be directly above or obliquely above the first feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "under", "below" and "under" the second feature can be directly below or obliquely below the first feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0069] As shown in Figures 1-16 The present application provides a municipal sewage centralized treatment device, which comprises a sewage centralized treatment pool and a floating island assembly arranged in the sewage centralized treatment pool. The floating island assembly comprises a floating island 100 and an aeration mechanism.

[0070] The floating island 100 can float on the water surface, and plants are planted on the floating island 100. The aeration mechanism is arranged on the floating island 100 and comprises a water suction pipe 210, a water suction pump 220 and an aeration pipe 230.

[0071] The water suction pump 220 is arranged on the floating island 100 and fixedly connected with the floating island 100. The water suction pipe 210 is arranged at the bottom of the floating island 100, and the water outlet end of the water suction pipe 210 is connected with and communicated with the water inlet end of the water suction pump 220. The aeration pipe 230 is arranged at the top of the floating island 100 in the longitudinal direction, and the aeration pipe 230 is fixedly connected with the floating island 100. The water inlet end of the aeration pipe 230 is connected with and communicated with the water outlet end of the water suction pump 220.

[0072] In the working state, the water suction pump 220 applies pressure to the water in the treatment pool, so that the water enters the aeration pipe 230 through the water suction pipe 210, and finally sprays out from the top end of the aeration pipe 230, lifts the water, so that the water contacts with the air, thereby achieving the purpose of increasing aeration and improving the dissolved oxygen content in the water.

[0073] Preferably, the water inlet end of the water suction pipe 210 is provided with a filtering device 260 to prevent impurities in the water from entering the water suction pipe 210.

[0074] AsFigure 1 、 2 , 3, 7, 11, the aeration mechanism further comprises an aeration plate 240 and a spray head 250.

[0075] The aeration plate 240 is arranged at the water outlet end of the aeration pipe 230, and the aeration plate 240 is provided with a plurality of aeration plates 240 which are uniformly arranged around the axis of the aeration pipe 230. The spray head 250 is arranged at the water outlet end of the aeration pipe 230, and the spray head 250 is fixedly connected with the aeration pipe 230. In the working state, the spray head 250 sprays water towards the aeration plate 240, and the water is dispersed by impacting on the aeration plate 240, thereby increasing the contact area between the water and the air, and achieving the purpose of improving the aeration effect.

[0076] As shown in Figure 1 、 2 , 3, 7, 11, in the embodiment, the spray head 250 has a plurality of spray holes which are uniformly distributed around the axis of the aeration pipe 230.

[0077] As shown in Figure 1 、 2 , 3, 7, 11, the floating island assembly further comprises a water spraying mechanism for spraying water to the plants on the floating island 100 when the temperature exceeds a preset temperature, wherein the water spraying mechanism comprises a mounting seat 310, a water spraying pipe 320, a first driving structure and a second driving structure.

[0078] The mounting seat 310 is sleeved at the lower end of the aeration pipe 230, the inner side wall of the mounting seat 310 is sealed with the outer side wall of the aeration pipe 230, the mounting seat 310 is movably connected with the aeration pipe 230, the inner side wall of the mounting seat 310 is provided with a water guide groove 311, and the lower end of the aeration pipe 230 is correspondingly provided with a water outlet hole 231. The water spraying pipe 320 is fixedly arranged on the mounting seat 310, the water spraying pipe 320 is fixedly connected with the mounting seat 310, and the water spraying pipe 320 is in communication with the water guide groove 311. As shown in Figure 5 、 9 , 13, the water spraying pipe 320 is in communication with the water guide groove 311 through a water guide hole 312.

[0079] The mounting seat 310 has a first position and a second position, when the mounting seat 310 is in the first position, the water guide groove 311 and the water outlet hole 231 are staggered with each other, so that the water in the aeration pipe 230 cannot enter the water guide groove 311 through the water outlet hole 231; when the mounting seat 310 is in the second position, the water guide groove 311 corresponds to the water outlet hole 231, so that the water in the aeration pipe 230 can enter the water guide groove 311 through the water outlet hole 231, and finally sprayed out through the water spraying pipe 320.

[0080] The first driving structure is in transmission connection with the mounting base 310, and is used for driving the mounting base 310 to rotate.

[0081] The second driving structure is in transmission connection with the mounting base 310, and is used for driving the mounting base 310 to make reciprocating linear motion between the first position and the second position.

[0082] When watering, the water pump 220 is opened, and at the same time, the second driving structure drives the mounting base 310 from the first position to the second position, so that the water guide groove 311 corresponds to the water outlet hole 231. At the same time of aeration, the water in the aeration pipe 230 enters the water guide groove 311 through the water outlet hole 231, and is finally sprayed out through the watering pipe 320, so as to achieve the purpose of watering the plants on the floating island 100.

[0083] In this process, the first driving structure drives the mounting base 310 to rotate, and the mounting base 310 rotates with the watering pipe 320, so as to improve the spraying range.

[0084] As shown in Figure 1 , 2 , 3, 7, 11, the first driving structure comprises a rotating seat 330 and a driving seat 340.

[0085] The rotating seat 330 is sleeved on the aeration pipe 230, and the rotating seat 330 is in rotation connection with the aeration pipe 230, so that the rotating seat 330 can only rotate around the axis of the aeration pipe 230, and cannot move along the axis direction of the aeration pipe 230. Among them, the plurality of aeration plates 240 are fixedly connected with the rotating seat 330. As shown in Figure 1 , 2 , 3, 7, 11, the aeration plate 240 is fixedly connected with the rotating seat 330 through the support frame 331.

[0086] In the working state, the water sprayed from the nozzle 250 impacts the aeration plate 240, so as to exert a force on the aeration plate 240, form a torque, and drive the rotating seat 330 to rotate.

[0087] The driving seat 340 is sleeved on the aeration pipe 230 and the mounting base 310, and the driving seat 340 is in rotation connection with the aeration pipe 230, so that the driving seat 340 can only rotate around the axis of the aeration pipe 230, and cannot move along the axis direction of the aeration pipe 230.

[0088] The driving seat 340 is in transmission connection with the rotating seat 330, so that the rotating seat 330 can transmit power to the driving seat 340, thereby driving the driving seat 340 to rotate. As shown in Figure 5 , 6As shown in Figures 9, 10, 13 and 14, a transmission rod 350 is provided between the driving seat 340 and the rotating seat 330, and both ends of the transmission rod 350 are connected to the driving seat 340 and the rotating seat 330 respectively.

[0089] The driving seat 340 is in transmission connection with the mounting seat 310 to drive the mounting seat 310 to rotate. Figure 5 、 10 As shown, the outer sidewall of the mounting base 310 is provided with a guide groove 313, the length of which extends along the axis of the aeration tube 230. The inner sidewall of the rotating base 330 is provided with a corresponding driving portion 341 that is compatible with the guide groove 313. In the operating state, the driving portion 341 cooperates with the guide groove 313, allowing the driving base 340 to transmit power to the mounting base 310, thereby driving the mounting base 310 to rotate.

[0090] During use, when sprinkling water, the water sprayed from the nozzle 250 hits the aeration plate 240, thereby applying force to the aeration plate 240 to drive the aeration plate 240 to rotate. The aeration plate 240 transmits power to the mounting base 310 through the rotating base 330, the transmission rod 350 and the driving base 340, thereby driving the mounting base 310 to rotate.

[0091] The first driving structure provided in this embodiment has a simple structure and a reasonable design, and utilizes the force of water hitting the aeration plate 240 to drive the mounting seat 310 to rotate, thereby saving power.

[0092] like Figure 5 As shown, the second drive structure includes a first electric push rod 360. The first electric push rod 360 is fixedly arranged on the floating island 100. And the power output shaft of the first electric push rod 360 is transmission-connected with the mounting seat 310. In this embodiment, the power output shaft of the first electric push rod 360 abuts against the mounting seat 310. In the working state, the first electric push rod 360 extends, thereby applying a driving force to the mounting seat 310 through the power output shaft to drive the mounting seat 310 from the first position to the second position. In the non-working state, the first electric push rod 360 contracts, and under the action of gravity, the mounting seat 310 moves from the second position to the first position.

[0093] like Figure 9 As shown, the second driving structure includes a permanent magnet 370 and an electromagnet 380 .

[0094] The permanent magnet 370 is fixedly embedded in the bottom of the mounting seat 310, and the electromagnet 380 is fixedly arranged on the floating island 100, and the electromagnet 380 is different in magnetic property from the side opposite to the permanent magnet 370. In the working state, the electromagnet 380 is powered, so that a magnetic repulsion force is generated between the electromagnet 380 and the permanent magnet 370, and under the action of the magnetic repulsion force, the mounting seat 310 is driven from the first position to the second position; in the non-working state, the electromagnet 380 is powered off, and under the action of gravity, the mounting seat 310 is lowered from the second position to the first position.

[0095] As shown in Figures 13-16 , the second driving structure includes a guide groove 313 and a driving part 341. The guide groove 313 is arranged obliquely. When the rotating seat 330 rotates, the rotating seat 330 applies a force to the mounting seat 310 through the cooperation of the driving part 341 and the guide groove 313, so as to drive the mounting seat 310 to rotate around the axis of the aeration pipe 230 and move from the first position to the second position.

[0096] Optionally, the second driving structure further includes a first elastic element 390, both ends of the first elastic element 390 are connected with the driving seat 340 and the mounting seat 310 respectively, and in the natural state, the first elastic element 390 applies an elastic force to the mounting seat 310, so that the mounting seat 310 has a tendency to move from the second position to the first position. The first elastic element 390 can be any elastic device capable of applying an elastic force to the mounting seat 310, and in the embodiment, the first elastic element 390 is a spring.

[0097] As shown in Figure 6 , 10 , 14, the floating island assembly further includes a locking mechanism, which is arranged on the mounting seat 310 and the aeration pipe 230, and has a locking state and an unlocking state. When the locking mechanism is in the locking state, the locking mechanism keeps the mounting seat 310 in the second position, so that the mounting seat 310 cannot move from the second position to the first position; when the locking mechanism is in the unlocking state, the locking mechanism cannot lock the mounting seat 310, so that the mounting seat 310 can move from the second position to the first position.

[0098] As shown in Figure 6 , 10 , 14, the locking mechanism includes a push plate 410, a locking groove 420 and a second elastic element 430

[0099] The side wall of the aeration pipe 230 is provided with a mounting hole 232 in communication with the aeration pipe 230. The push plate 410 is slidingly arranged in the mounting hole 232, and the outer side wall of the push plate 410 is sealed with the inner side wall of the mounting hole 232. The side of the push plate 410 away from the axis of the aeration pipe 230 is provided with a locking rod 411 fixedly connected with the push plate 410.

[0100] The push plate 410 has a third position and a fourth position. When the push plate 410 is in the third position, the push rod is retracted into the outer side wall of the aeration pipe 230. When the push plate 410 is in the fourth position, the push rod extends out of the outer side wall of the aeration pipe 230.

[0101] The locking groove 420 is formed on the inner side wall of the mounting seat 310 and is annular.

[0102] The second elastic element 430 is sleeved on the push rod, and the two ends of the second elastic element 430 abut against the inner side wall of the mounting cavity and the push plate 410, respectively. In a natural state, the second elastic element 430 exerts a elastic force on the push plate 410 to drive the push plate 410 to move from the fourth position to the third position. The second elastic element 430 can be any elastic device capable of exerting an elastic force on the push plate 410. In this embodiment, the second elastic element 430 is a spring.

[0103] When water is sprayed, the mounting seat 310 is driven to the second position, so that the locking groove 420 corresponds to the locking rod 411. The water in the aeration pipe 230 enters the mounting hole 232 to exert a pressure on the push plate 410, so that the push plate 410 moves from the third position to the fourth position against the elastic force of the second elastic element 430, so that the locking rod 411 is inserted into the locking groove 420. Under the mutual cooperation of the locking rod 411 and the locking groove 420, the mounting seat 310 is kept in the second position.

[0104] When water spraying is stopped, the water pump 220 is turned off, and under the action of the elastic force of the second elastic element 430, the push plate 410 moves from the fourth position to the third position, thereby releasing the locking of the mounting seat 310, so that the mounting seat 310 can move from the second position to the first position.

[0105] In this embodiment, by arranging the locking mechanism, the mounting seat 310 is kept in the second position when water is sprayed, and the electromagnet 380 and the first electric push rod 360 do not need to be powered on all the time to keep the mounting seat 310 in the second position. That is, after the mounting seat 310 is driven to the second position, the electromagnet 380 can be powered off, and the first electric push rod 360 can be retracted and then powered off, thereby achieving the purpose of saving electric energy. At the same time, during the water spraying process, the mounting seat 310 will not move from the second position to the first position under the action of the elastic force of the first elastic element 390.

[0106] As shown in Figure 3 , 4 , 5, 7, 8, 9, 11, 12, 13, the floating island assembly further comprises a locking mechanism, the locking mechanism is arranged on the driving seat 340 and the floating island 100, and the locking mechanism has a locked state and an unlocked state. When the locking mechanism is in the locked state, the locking mechanism locks the driving seat 340, so that the driving seat 340 cannot rotate, and then the aeration plate 240 cannot rotate, so as to improve the impact force between the water sprayed by the nozzle 250 and the aeration plate 240, so that the water can be hit more scattered when hitting the aeration plate 240, and the aeration effect is improved; when the locking mechanism is in the unlocked state, the locking mechanism releases the locking of the driving seat 340, so that the driving seat 340 can rotate, so that when the water sprayed by the nozzle 250 hits the aeration plate 240, the aeration plate 240 can rotate, and the aeration plate 240 transmits power to the driving seat 340 through the rotating seat 330 to drive the mounting seat 310 to move.

[0107] As shown in Figure 3 , 4 , 5, 7, 8, 9, 11, 12, 13, the locking mechanism comprises a second electric push rod 510 and a locking slider 520.

[0108] The second electric push rod 510 is fixedly installed on the floating island 100. The locking slider 520 is arranged on one side of the driving seat 340 and is in sliding connection with the floating island 100. The locking slider 520 is fixedly connected with the power output shaft of the second electric push rod 510. The locking slider 520 has a fifth position and a sixth position. The side wall of the locking slider 520 on the side facing the driving seat 340 is provided with a first limiting tooth structure 521, and the outer side wall of the driving seat 340 is correspondingly provided with a second limiting tooth structure 342. When the locking slider 520 is in the fifth position, the locking slider 520 and the driving seat 340 are separated from each other, so that the locking mechanism is in the unlocked state; when the locking slider 520 is in the sixth position, the first limiting tooth structure 521 and the second limiting tooth structure 342 cooperate with each other, so as to lock the driving seat 340, so that the driving seat 340 cannot rotate.

[0109] Optionally, the floating island 100 is further provided with a solar power generation device, a storage battery, a temperature sensor and the like. The solar power generation device is used to convert solar energy into electric energy, so as to supply power to the electric elements such as the water pump 220, the first electric push rod 360, the second electric push rod 510, the temperature sensor and the electromagnet 380. The storage battery is used to store the electric energy generated by the solar power generation device, and at the same time, the electric elements such as the water pump 220, the first electric push rod 360, the second electric push rod 510, the temperature sensor and the electromagnet 380 are powered.

[0110] The temperature sensor is used to detect the outside temperature, and when the temperature exceeds a preset value, the watering mechanism is controlled to water the plants on the floating island 100, so as to prevent the plants from withering due to high temperature.

[0111] In the description of the present application, a large number of specific details are explained. However, it can be understood that the embodiments of the present application can be practiced without these specific details. In some examples, well-known methods, structures and techniques are not shown in detail in order not to obscure the understanding of the present description.

[0112] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit it; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application, and they should be covered in the scope of the claims and description of the present application.

Claims

1. A municipal sewage centralized treatment device, comprising a sewage centralized treatment tank and a floating island assembly arranged in the sewage centralized treatment tank, wherein the floating island assembly comprises a floating island (100), characterized in that: The floating island assembly further includes an aeration mechanism and a watering mechanism arranged on the floating island (100); Wherein, the aeration mechanism comprises: a water pump (220), which is disposed on the floating island (100) and is fixedly connected to the floating island (100); A water pumping pipe (210), which is arranged at the bottom of the floating island (100), and whose water outlet is connected to and communicates with the water inlet of the water pump (220); and an aeration pipe (230) longitudinally arranged on the top of the floating island (100), fixedly connected to the floating island (100), and having a water inlet end connected to and in communication with a water outlet end of the water pump (220); The watering mechanism is used to spray water on the plants on the floating island (100) when the temperature exceeds a preset value; The aeration mechanism further comprises: an aeration plate (240) disposed at the water outlet end of the aeration tube (230), wherein a plurality of aeration plates (240) are provided, and the plurality of aeration plates (240) are evenly arranged around the axis of the aeration tube (230); and a nozzle (250), which is arranged at the water outlet end of the aeration pipe (230) and is fixedly connected to the aeration pipe (230); Wherein, in the working state, the nozzle (250) sprays water toward the aeration plate (240), so that the water is dispersed due to impact on the aeration plate (240), thereby increasing the contact area between water and air; The sprinkler mechanism comprises: A mounting seat (310) is sleeved on the lower end of the aeration tube (230), with its inner side wall sealed against the outer side wall of the aeration tube (230), and is movably connected to the aeration tube (230). A water guide groove (311) is provided on its inner side wall, and a water outlet (231) is provided at the lower end of the aeration tube (230). A water sprinkling pipe (320) is fixedly provided on the mounting seat (310), and the water sprinkling pipe (320) is in communication with the water guide groove (311). The mounting seat (310) has a first position and a second position. When the mounting seat (310) is in the first position, the water guide groove (311) and the water outlet hole (231) are staggered with each other, so that water in the aeration tube (230) cannot enter the water guide groove (311) through the water outlet hole (231); When the mounting seat (310) is in the second position, the water guide groove (311) corresponds to the water outlet hole (231), so that water in the aeration pipe (230) can enter the water guide groove (311) through the water outlet hole (231) and finally be sprayed out through the sprinkler pipe (320); a first driving structure, which is in transmission connection with the mounting seat (310) and is used to drive the mounting seat (310) to rotate; A second driving structure is in transmission connection with the mounting seat (310) and is used to drive the mounting seat (310) to perform reciprocating linear motion between the first position and the second position.

2. The centralized municipal sewage treatment device according to claim 1, characterized in that: The first driving structure includes: A rotating seat (330) is sleeved on the aeration tube (230) and is rotatably connected to the aeration tube (230); and a plurality of aeration plates (240) are fixedly connected to the rotating seat (330); and a driving seat (340) sleeved on the aeration pipe (230) and the mounting seat (310), and rotatably connected to the aeration pipe (230); the driving seat (340) is transmission-connected to the rotating seat (330), so that the rotating seat (330) can transmit power to the driving seat (340), thereby driving the driving seat (340) to rotate; The driving seat (340) is in transmission connection with the mounting seat (310) to drive the mounting seat (310) to rotate.

3. The centralized municipal sewage treatment device according to claim 2, characterized in that: The outer side wall of the mounting seat (310) is provided with a guide groove (313), the length direction of the guide groove (313) extending along the axis direction of the aeration pipe (230), and the inner side wall of the rotating seat (330) is correspondingly provided with a driving portion (341) adapted to the guide groove (313); In the working state, the driving portion (341) cooperates with the guide groove (313), so that the driving seat (340) can transmit power to the mounting seat (310) to drive the mounting seat (310) to rotate.

4. The centralized municipal sewage treatment device according to claim 3, characterized in that: The second driving structure includes: A first electric push rod (360) is fixedly disposed on the floating island (100), and its power output shaft is in transmission connection with the mounting seat (310); or The second driving structure includes: a permanent magnet (370) fixedly embedded in the bottom of the mounting seat (310); and an electromagnet (380) fixedly disposed on the floating island (100), wherein the magnetism of the electromagnet (380) on a side opposite to the permanent magnet (370) is different; or The second driving structure comprises the guide groove (313) and the driving portion (341), wherein the guide groove (313) is arranged at an angle. When the rotating seat (330) rotates, the driving portion (341) cooperates with the guide groove (313), so that the rotating seat (330) applies a force to the mounting seat (310), thereby driving the mounting seat (310) to rotate around the axis of the aeration pipe (230) and also driving the mounting seat (310) to move from the first position to the second position.

5. The centralized municipal sewage treatment device according to claim 3, characterized in that: The floating island assembly further comprises a locking mechanism, the locking mechanism being arranged on the driving seat (340) and the floating island (100), and the locking mechanism having a locked state and an unlocked state; Wherein, when the locking mechanism is in a locked state, the locking mechanism locks the driving seat (340) so that the driving seat (340) cannot rotate, thereby making the aeration plate (240) unable to rotate; When the locking mechanism is in an unlocked state, the locking mechanism releases the lock on the drive seat (340), so that the drive seat (340) can rotate, so that when water sprayed from the nozzle (250) hits the aeration plate (240), the aeration plate (240) can rotate, and the aeration plate (240) transmits power to the drive seat (340) through the rotating seat (330) to drive the mounting seat (310) to move.

6. The centralized municipal sewage treatment device according to claim 5, characterized in that: The locking mechanism comprises: a second electric push rod (510) fixedly disposed on the floating island (100); and a locking slider (520), which is arranged on one side of the driving seat (340) and is slidably connected to the floating island (100), and is fixedly connected to the power output shaft of the second electric push rod (510), and has a fifth position and a sixth position; The side wall of the locking slider (520) facing the drive seat (340) is provided with a first limiting tooth structure (521), and the outer side wall of the drive seat (340) is correspondingly provided with a second limiting tooth structure (342); when the locking slider (520) is in the fifth position, the locking slider (520) and the drive seat (340) are separated from each other, so that the locking mechanism is in an unlocked state; when the locking slider (520) is in the sixth position, the first limiting tooth structure (521) and the second limiting tooth structure (342) cooperate with each other, thereby locking the drive seat (340).

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