CN111891328B - Yacht domestic sewage treatment system - Google Patents

Yacht domestic sewage treatment system Download PDF

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Publication number
CN111891328B
CN111891328B CN202010574660.6A CN202010574660A CN111891328B CN 111891328 B CN111891328 B CN 111891328B CN 202010574660 A CN202010574660 A CN 202010574660A CN 111891328 B CN111891328 B CN 111891328B
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China
Prior art keywords
domestic sewage
inner shell
yacht
electric telescopic
treatment system
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CN202010574660.6A
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CN111891328A (en
Inventor
夏义江
王小惠
姚佳雨
苏鹏程
欧卓琳
甄希金
蔡广华
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Beibu Gulf University
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Beibu Gulf University
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Priority to CN202010574660.6A priority Critical patent/CN111891328B/en
Publication of CN111891328A publication Critical patent/CN111891328A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63JAUXILIARIES ON VESSELS
    • B63J4/00Arrangements of installations for treating ballast water, waste water, sewage, sludge, or refuse, or for preventing environmental pollution not otherwise provided for
    • B63J4/006Arrangements of installations for treating ballast water, waste water, sewage, sludge, or refuse, or for preventing environmental pollution not otherwise provided for for treating waste water or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water, or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/40Devices for separating or removing fatty or oily substances or similar floating material
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00Apparatus for treatment of water, waste water or sewage
    • C02F2201/001Build in apparatus for autonomous on board water supply and wastewater treatment (e.g. for aircrafts, cruiseships, oil drilling platforms, railway trains, space stations)
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/14Maintenance of water treatment installations
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/16Regeneration of sorbents, filters
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/26Reducing the size of particles, liquid droplets or bubbles, e.g. by crushing, grinding, spraying, creation of microbubbles or nanobubbles
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/28Anaerobic digestion processes
    • C02F3/2866Particular arrangements for anaerobic reactors
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/34Biological treatment of water, waste water, or sewage characterised by the microorganisms used

Abstract

The invention discloses a yacht domestic sewage treatment system, and relates to the technical field of ship sewage treatment. The yacht domestic sewage treatment system comprises a domestic sewage cabinet positioned at the cabin bottom of the cabin, a crushing device is arranged in the domestic sewage cabinet, the domestic sewage cabinet is connected with a sewage separation device, the sewage separation device comprises a shell, a support frame is arranged on the shell, a motor is arranged on the top of the support frame, an output shaft of the motor is connected with a rotating shaft, the rotating shaft penetrates through the support frame and extends into the shell, stirring blades are arranged on the rotating shaft, a convex ring is fixedly arranged on the inner side wall of the shell and positioned above the stirring blades, and a filter layer is arranged on the convex ring; the lower extreme of support frame still is connected with two electric telescopic handle through the horizontal pole, two electric telescopic handle's upper end respectively with the both ends fixed connection of horizontal pole, the lower extreme passes protruding circle respectively and is connected with scraping device, the internal perisporium butt of a outside and the casing of scraping device. The invention improves the separation efficiency of dirt and water in the sewage and has good separation effect.

Description

Yacht domestic sewage treatment system
Technical Field
The invention relates to the technical field of ship sewage treatment, in particular to a yacht domestic sewage treatment system.
Background
The yacht can integrate functions of navigation, sports, entertainment, leisure and the like, and meet the requirement of individuals and families for enjoying life. In developing countries, yachts are mostly used as management projects of parks and tourist attractions for people to consume, and are also used as working means of port prisoners, public security and frontier defense in a small quantity.
With the unprecedented development of the shipping industry and ocean development, the pollution of the ocean environment is more and more serious, and the human beings pay more and more attention to the protection of the ocean environment. The ship domestic sewage treatment device is a special treatment device arranged on a ship and a platform in order to prevent domestic sewage generated by the ship and the ocean platform from polluting sailing water areas. Traditional marine domestic sewage treatment plant, it is too simple to marine domestic sewage treatment plant's design, and sewage treatment process is more single, does not carry out multiple treatment to sewage to the sewage after the processing still can not reach the requirement of emission.
Disclosure of Invention
The invention aims to solve the problems and provides a yacht domestic sewage treatment system which improves the separation efficiency of dirt and water in sewage, has a good separation effect and enables upper-layer water obtained by separation in a sewage separation device to reach a discharge standard.
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
a yacht domestic sewage treatment system comprises a domestic sewage tank positioned at the cabin bottom of a cabin, a crushing device is arranged in the domestic sewage tank, a sewage inlet is arranged at the top of the domestic sewage tank, the domestic sewage tank is also connected with a sewage separation device through a first conduit,
the sewage separation device comprises an outer shell and an inner shell sleeved in the outer shell, the domestic sewage tank is communicated with the inner shell through a first conduit, an end cover is arranged at the upper end of the inner shell, a vertical rod is arranged on the end cover, a filter layer is fixedly arranged in the inner shell, and the periphery of the filter layer is fixedly connected with the inner wall of the inner shell; the vertical rod is provided with a cross rod, two ends of the cross rod are respectively connected with an electric telescopic rod, the upper ends of the two first electric telescopic rods are respectively fixedly connected with two ends of the cross rod, the lower ends of the two first electric telescopic rods respectively penetrate through the end covers and are connected with scraping devices, and one outer side of each scraping device is abutted to the inner peripheral wall of the inner shell; the interior bottom of shell body has set firmly the motor, the output shaft of motor has the link, the link keep away from the output shaft one end with the outer bottom fixed connection of interior casing.
Further, the scraping device comprises a rectangular frame and a brush arranged on the outer side of the rectangular frame, the brush is abutted to the inner peripheral wall of the shell, and the lower ends of the two first electric telescopic rods respectively penetrate through the convex rings and are fixedly connected with the two opposite sides of the rectangular frame.
Furthermore, the scraping device further comprises telescopic mechanisms arranged on two opposite sides of the rectangular frame, each telescopic mechanism comprises a flexible coating body, one end of each flexible coating body is open and the other end of each flexible coating body is sealed, the open end of each flexible coating body is fixedly connected with the side wall of the rectangular frame, which deviates from the brush, of the rectangular frame, a telescopic framework and a second electric telescopic rod are arranged in each flexible coating body, the telescopic frameworks are fixedly connected with the inner surface of the coating bodies, one end of the second electric telescopic rod is fixed on the side wall, which deviates from the brush, of the rectangular frame, and the second electric telescopic rod is fixedly connected with the telescopic frameworks and drives the telescopic frameworks to stretch and retract.
Further, the flexible covering layer is tarpaulin.
Further, still be equipped with the controller on the shell body, motor, first electric telescopic handle and second electric telescopic handle all with the controller electricity is connected.
Furthermore, denitrifying bacteria and photosynthetic bacteria are further arranged in the inner shell, and a fluorescent lamp is further arranged at the inner top of the inner shell and is electrically connected with the controller.
Furthermore, the upper side wall of the inner shell is connected with a drain pipe, the drain pipe is further provided with a suspended matter content measuring instrument, and the suspended matter content measuring instrument is electrically connected with the controller.
Furthermore, a closable vertical wave-proof valve is also arranged on the water discharge pipe.
Furthermore, the domestic sewage cabinet is connected with a second conduit connected with a squatting pan in a bathroom and a third conduit connected with a floor drain in the bathroom.
Furthermore, a fourth guide pipe is connected to the side wall of the inner shell close to the bottom, and a joint located on the main deck is connected to one end, far away from the inner shell, of the fourth guide pipe.
By adopting the technical scheme, the invention has the beneficial effects that:
the domestic sewage cabinet with the crushing device is connected with the sewage separation device, the sewage separation device comprises an inner shell capable of rotating at a high speed, and a filter layer, a first electric telescopic rod, a scraping device and the like which are arranged in the inner shell, so that the sewage with dirt crushed by the crushing box is crushed into small-particle suspended sewage, the small-particle dirt, impurities and the like in the sewage are filtered through the filter layer, the inner shell is driven by the motor to rotate at a high speed through the connecting frame, the small particles and the like in the sewage are separated from water through the high-speed rotation of the inner shell, the separation efficiency of the small particles and the like in the sewage from the water is further improved, and the separation effect is good; meanwhile, due to the arrangement of the scraping device, the inner shell can be firstly controlled to be stretched out through the telescopic mechanism in the scraping device by the controller before rotating at a high speed, so that sewage in the inner shell is separated from the filter layer, and the sewage is prevented from impacting the filter layer under the high-speed rotation of the inner shell, so that small-particle dirt, impurities and the like on the filter layer fall into the filtered sewage after impacting. And the separation of the suspension sewage among the sewage separation device is accomplished and the back of discharging, the telescopic machanism shrink among the accessible controller control scraping device, and rethread electric telescopic handle drives scraping device up-and-down motion, utilizes the brush on the scraping device to clean second grade greasy dirt water separator's inner wall to brush out the tiny particle filth that adheres on sewage water separator inner wall, realized the high-efficient cleanness to sewage water separator inner wall.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a sewage separation apparatus according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a scraping device of the sewage separation device in the embodiment of the present invention;
fig. 4 is a schematic structural view of the scraping device of the sewage separation device according to the embodiment of the present invention after the telescopic mechanism is extended.
In the figure, 1-domestic sewage tank, 2-crushing device, 21-crushing motor, 22-fan-shaped blade, 23 motor base, 3-observation window, 4-first conduit, 5-sewage separation device, 51-inner shell, 52-connecting frame, 53-motor, 54-vertical rod, 541-cross rod, 55-outer shell, 551-controller, 56-convex ring, 57-filter screen, 58-first electric telescopic rod, 59-scraping device, 591-rectangular frame 592, brush, 593-flexible cladding body, 594-telescopic framework, 595-second electric telescopic rod, 6-drain pipe, 61-suspended matter content determinator, 62-closable wave-proof valve, 7-second conduit, 8-third conduit, 9-self-closing liquid level meter, 10-fourth conduit.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Examples
Referring to fig. 1-4, a yacht domestic sewage treatment system includes a domestic sewage tank 1 located at the cabin bottom of a cabin, a crushing device 2 is disposed in the domestic sewage tank 1, a sewage inlet is disposed at the top of the domestic sewage tank 1, and an observation window 3 is further disposed on a side wall of the domestic sewage tank 1 near the top. The domestic sewage tank 1 is also internally provided with a self-closing liquid level meter 9. The crushing device 2 comprises a crushing motor 21, a fan-shaped blade 22 and a motor base 23; the motor base 23 is fixed in the domestic sewage cabinet 1; the grinding motor 21 is fixed on the motor base 23, and fan-shaped blades 22 are arranged on output shafts of the grinding motor 21.
The domestic sewage cabinet 1 is further connected with a sewage separation device 5 through a first conduit 4, so that the crushed domestic sewage is pumped into the sewage separation device 5 for solid-liquid separation. The sewage separation device 5 comprises an outer shell 55 and an inner shell 51 sleeved in the outer shell 55, wherein the inner shell 51 is a square body in the embodiment. An end cover is arranged at the upper end of the inner shell 51, the domestic sewage tank 1 is communicated with a liquid inlet on the end cover of the inner shell 51 through a first conduit 4 penetrating through the end cover, and a suction pump (not shown) is arranged on the first conduit 4. The end cover is provided with a vertical rod 54, a convex ring 56 is fixedly arranged in the inner shell 51, a filter layer 57 is arranged on the convex ring 56, and the periphery of the filter layer 57 is fixed on the convex ring 56. The filter layer 57 in this embodiment includes an activated carbon layer fixed to the bead 56 and a filter net provided on the activated carbon layer. A cross bar 541 is arranged on the upright 54, two ends of the cross bar 541 are respectively connected with an electric telescopic rod 58, the upper ends of the two first electric telescopic rods 58 are respectively fixedly connected with two ends of the cross bar 541, the lower ends of the two first electric telescopic rods 58 respectively penetrate through the end covers and are connected with a scraping device 59, and one outer side of the scraping device 59 is abutted against the inner peripheral wall of the inner shell 51; the inner bottom of the outer shell 55 is fixedly provided with a motor 53, an output shaft of the motor 53 is connected with a connecting frame 52, and one end of the connecting frame 52, which is far away from the output shaft, is fixedly connected with the outer bottom of the inner shell 51. The joint of the first electric telescopic rod 58 and the end cover is further provided with a sealing ring to ensure the tightness of the inner shell 51.
Further, in this embodiment, the scraping device 59 includes a rectangular frame 591 and a brush 592 disposed on an outer side of the rectangular frame 591, the brush 592 abuts against an inner peripheral wall of the housing 51, and lower ends of the two first electric telescopic rods 58 respectively pass through the protruding rings 56 and are fixedly connected with two opposite sides of the rectangular frame 591. Just still be equipped with telescopic machanism on the relative both sides of rectangular frame 591, telescopic machanism includes a flexible cladding 593, the one end opening other end of flexible cladding 593 is sealed, the open end of flexible cladding 593 with rectangular frame 591 deviates from the lateral wall fixed connection of brush 592, be equipped with flexible skeleton 594 and second electric telescopic handle 595 in the flexible cladding 593, flexible skeleton 594 with the internal surface fixed connection of flexible cladding, the one end of second electric telescopic handle 595 is fixed in rectangular frame 591 deviates from on the lateral wall of brush 592, just second electric telescopic handle 595 with flexible skeleton 594 fixed connection is with the drive flexible skeleton 594 realizes telescopically. The outer shell 55 is further provided with a controller 551, and the motor 53, the first electric telescopic rod 58 and the second electric telescopic rod 595 are all electrically connected with the controller 551. In this embodiment, the controller 551 is a wireless controller.
In this embodiment, the telescopic frame 592 is formed by cross-connecting telescopic rods, and the adjacent telescopic rods are hinged at the ends respectively. In this embodiment, the flexible covering 593 is made of tarpaulin, so that the flexible covering 593 is made of a waterproof material with high strength, good toughness and softness.
Further, the domestic sewage cabinet 1 is connected with a second conduit 7 connected with a squatting pan in a bathroom and a third conduit 8 connected with a floor drain in the bathroom, the domestic sewage cabinet 1 can also collect fire-fighting water flushing water through a pipeline, and the first conduit 2, the first conduit 4, the second conduit 7 and the third conduit 8 are all provided with electromagnetic valves so as to fully collect sewage and prevent the sewage from being directly discharged into the sea.
Further, denitrifying bacteria and photosynthetic bacteria are also arranged in the inner shell 51, and a fluorescent lamp (not shown) is also arranged at the inner top of the inner shell 51 and is electrically connected with the controller 551. The denitrifying bacteria can denitrifying nitrogen in the nitrate into nitrogen, the photosynthetic bacteria can decompose and consume organic matters in the sewage under the conditions of light and oxygen, the denitrifying bacteria and the photosynthetic bacteria can fully decompose the nitrate and decompose and consume the organic matters in the sewage in the high-speed rotation process of the inner shell 51 and the on state of the fluorescent lamp, and the purity of the sewage is further improved. In addition, the top of the inner shell 51 is also provided with an exhaust port, the exhaust port is communicated with the outer shell 55 through an air pipe, the air pipe penetrates through the outer shell 55, and the air pipe is provided with a switch so as to discharge nitrogen.
Furthermore, the end cover of the inner shell 51 is further provided with a water outlet which can be detachably connected with a water discharge pipe 6 penetrating through the outer shell 55, the water discharge pipe 6 is further provided with a suspended matter content measuring instrument 61 and an electromagnetic valve, and the suspended matter content measuring instrument 61 is electrically connected with the controller 551. After the sewage separation device 5 separates the water content and the small-particle dirt, the small-particle dirt is positioned at the lower part in the sewage separation device 5, the water content is positioned at the upper part in the sewage separation device 5, namely, the moisture and the small-particle dirt are separated from the upper layer and the lower layer, the separated moisture is discharged through the drain pipe 6, because the water discharge pipe 6 is provided with a suspended matter content tester (or a water quality SS concentration detector SH-200 type) and an electromagnetic valve which are electrically connected with the controller, when the content of the suspended matters measured by the suspended matter content measuring instrument is less than or equal to 35mg/L, the electromagnetic valve is in an open state, when the content of the suspended matters measured by the suspended matter content measuring instrument is more than 35mg/L, the electromagnetic valve is controlled to be closed (refer to GB3552-2018 ship water pollutant discharge control standard), so that the discharged water is standard dischargeable domestic sewage. The drain has still been seted up to interior casing 51's bottom, and the bottom of drain is equipped with and is used for sealed fender lid, and when interior casing 51 rotated the during operation, the drain was for encapsulated situation, and after interior casing 51 rotated the completion, can connect a detachable fourth pipe 10 in drain department, fourth pipe 10 passes shell body 55 and is connected with the emission joint that is located the main deck to make interior casing 51 rotatory end, moisture discharge complete back, can arrange the tiny particle filth of its bottom to receiving equipment on the bank through fourth pipe 10. In addition, a closable vertical type wave-proof valve 62 is arranged on the water discharge pipe 6. Similarly, when the inner shell 51 rotates to work, the liquid inlet and the water outlet on the inner shell 51 are also in a sealed state, when the sewage pump needs to be sent into the inner shell 51, the liquid inlet is opened, and the sewage discharge pipe is connected to the liquid inlet in a reverse mode, and the water outlet is also similar. These settings are conventional for those skilled in the art and will not be described further herein. It should be noted that, in order to facilitate the detachment and installation of the first conduit 4, the drain pipe 6 and the fourth conduit 10 connected to the inner housing 51, the top and the bottom of the outer housing 55 in this embodiment are both hollow-out shapes formed by arranging a plurality of strip-shaped rods at intervals.
According to the invention, the domestic sewage cabinet 1 with the crushing device is connected with the sewage separation device 5, the sewage separation device 5 comprises the inner shell 51 which can rotate at a high speed, the filter layer 57 arranged in the inner shell 51, the first electric telescopic rod 58, the scraping device 59 and the like, so that the sewage with dirt crushed by the crushing box 3 is crushed into small-particle suspended sewage, the small-particle dirt, impurities and the like in the sewage are filtered through the filter layer 57, the inner shell 51 is driven by the motor 53 to rotate at a high speed through the connecting frame 52, the small particles and the like in the sewage are separated from water through the high-speed rotation of the inner shell 51, the separation efficiency of the small particles and the like in the sewage from the water is further improved, and the separation effect is good; meanwhile, due to the arrangement of the scraping device 59, the inner shell 51 can be firstly controlled by the controller 551 to extend through the telescopic mechanism in the scraping device 59 before rotating at a high speed, so that the sewage in the inner shell 51 is separated from the filtering layer, and the sewage is prevented from impacting on the filtering layer 57 under the high-speed rotation of the inner shell 51, so that small-particle dirt, impurities and the like on the filtering layer 57 fall into the filtered sewage under the impact. And the separation of the turbid sewage among the sewage separation device 5 is accomplished and the back is discharged, the telescopic machanism shrink among the accessible controller 551 control scraping device 59, and rethread first electric telescopic handle 58 drives scraping device 59 up-and-down motion, utilizes brush 592 on scraping device 59 to clean the inner wall of second grade oily water separation device 5 to brush out the tiny particle filth that adheres to on the inner wall of sewage separation device 5, realized the high-efficient cleanness to the inner wall of sewage separation device 5.

Claims (8)

1. A yacht domestic sewage treatment system comprises a domestic sewage tank positioned at the cabin bottom of an engine room, a crushing device is arranged in the domestic sewage tank, a sewage inlet is arranged at the top of the domestic sewage tank, and the yacht domestic sewage treatment system is characterized in that,
the domestic sewage cabinet is also connected with a sewage separation device through a first conduit, the sewage separation device comprises an outer shell and an inner shell sleeved in the outer shell, the domestic sewage cabinet is communicated with the inner shell through the first conduit, the upper end of the inner shell is provided with an end cover, the end cover is provided with a vertical rod, a convex ring is fixedly arranged in the inner shell, the convex ring is provided with a filter layer, and the periphery of the filter layer is fixed on the convex ring; a cross rod is arranged on the vertical rod, two ends of the cross rod are respectively connected with first electric telescopic rods, the upper ends of the two first electric telescopic rods are respectively fixedly connected with two ends of the cross rod, the lower ends of the two first electric telescopic rods respectively penetrate through the end covers and are connected with scraping devices, and one outer side of each scraping device is abutted to the inner peripheral wall of the inner shell; a motor is fixedly arranged at the inner bottom of the outer shell, an output shaft of the motor is connected with a connecting frame, and one end of the connecting frame, which is far away from the output shaft, is fixedly connected with the outer bottom of the inner shell;
the scraping device comprises a rectangular frame and a hairbrush arranged on the outer side of the rectangular frame, the hairbrush is abutted against the inner peripheral wall of the shell, and the lower ends of the two first electric telescopic rods respectively penetrate through the convex rings and are fixedly connected with the two opposite sides of the rectangular frame;
the scraping device further comprises telescopic mechanisms arranged on two opposite sides of the rectangular frame, each telescopic mechanism comprises a flexible coating body, one end of each flexible coating body is open and the other end of each flexible coating body is sealed, the open end of each flexible coating body is fixedly connected with the side wall of the rectangular frame, which deviates from the brush, of the rectangular frame, a telescopic framework and a second electric telescopic rod are arranged in each flexible coating body, the telescopic frameworks are fixedly connected with the inner surface of the coating body, one end of the second electric telescopic rod is fixed on the side wall of the rectangular frame, which deviates from the brush, of the rectangular frame, and the second electric telescopic rod is fixedly connected with the telescopic framework to drive the telescopic frameworks to stretch and retract.
2. The yacht domestic sewage treatment system of claim 1, wherein the flexible coating is a tarpaulin.
3. The yacht domestic sewage treatment system of claim 2 wherein a controller is further disposed on the outer housing, and the motor, the first electric telescopic rod and the second electric telescopic rod are electrically connected to the controller.
4. The yacht domestic sewage treatment system of claim 3, wherein the inner shell is further provided with denitrifying bacteria and photosynthetic bacteria therein, and the inner top of the inner shell is further provided with a fluorescent lamp, and the fluorescent lamp is electrically connected with the controller.
5. The yacht domestic sewage treatment system of claim 4 wherein the upper side wall of the inner shell is connected with a drain pipe, the drain pipe is further provided with a suspended matter content measuring instrument, and the suspended matter content measuring instrument is electrically connected with the controller.
6. The yacht domestic sewage treatment system of claim 5 wherein the drain pipe is further provided with a closable vertical wave valve.
7. The yacht domestic sewage treatment system of claim 1, wherein the domestic sewage tank is connected to a second conduit connected to a squatting pan in a bathroom and a third conduit connected to a floor drain in a bathroom.
8. The yacht domestic sewage treatment system of claim 7 wherein the side wall of the inner shell near the bottom is further connected with a fourth conduit, and the end of the fourth conduit far from the inner shell is further connected with a joint positioned on the main deck.
CN202010574660.6A 2020-06-22 2020-06-22 Yacht domestic sewage treatment system Active CN111891328B (en)

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CN202010574660.6A CN111891328B (en) 2020-06-22 2020-06-22 Yacht domestic sewage treatment system

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Application Number Priority Date Filing Date Title
CN202010574660.6A CN111891328B (en) 2020-06-22 2020-06-22 Yacht domestic sewage treatment system

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CN111891328B true CN111891328B (en) 2022-04-12

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