Household sewage treatment tank

By designing the support frame, separation tank, and backwashing mechanism for the household sewage treatment tank, automatic cleaning of the filter plates is achieved, solving the problem of easy clogging in traditional devices and improving sewage treatment efficiency and user experience.

CN223945221UActive Publication Date: 2026-02-27SICHUAN DINGQING CAITUO CONSTR ENG CO LTD
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Patent Information

Application Number
CN202520347943.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-28
Publication Date
2026-02-27
Estimated Expiration
2035-02-28

AI Technical Summary

Technical Problem

Traditional household wastewater treatment devices are prone to clogging and require frequent maintenance, affecting their effectiveness and user experience. In particular, the cleanliness and unobstructed flow of the filter plates directly affect the wastewater treatment effect.

Method used

A household wastewater treatment tank was designed, including a support frame, a separation tank, and a backwashing mechanism. The backwashing mechanism uses clean water flow to backwash the filter plates. Combined with the design of a sedimentation tank and a water collection tank, particulate matter separation and automatic cleaning of the filter plates are achieved.

Benefits of technology

It effectively solves the problem of filter plate clogging, simplifies the maintenance process, improves the efficiency of sewage treatment and user experience, and ensures stable equipment operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a domestic sewage treatment tank, which comprises a support frame; the separating tank body comprises a settling tank and a water collecting tank, the settling tank and the water collecting tank are both arranged on the supporting frame, a filtering plate is arranged between the settling tank and the water collecting tank, a plurality of through holes communicated with the settling tank and the water collecting tank are formed in the filtering plate, a water inlet pipeline is arranged on the settling tank, and a water drainage pipeline is arranged at the top of the water collecting tank; sewage to be treated sequentially flows to the settling tank, the through hole, the water collecting tank and the drainage pipeline through the water inlet pipeline; and the backwashing mechanism is used for washing the blocked filter plate. According to the domestic sewage treatment tank, the filter plate can be flushed by reverse water flow through the backwashing structure, so that the equipment is convenient to maintain.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of sewage treatment, concretely relates to a domestic sewage treatment tank. BACKGROUND

[0002] With the acceleration of urbanization and the improvement of people's living standards, the discharge amount of domestic sewage is increasing year by year, and the problem of domestic sewage treatment is increasingly concerned. Domestic sewage mainly includes kitchen washing water, bathing water, laundry water and the like, which contains various pollutants such as oil, food residue and detergent residue. If directly discharged, it will not only pollute the environment, but also may have adverse effects on the groundwater system. Therefore, it is particularly important to develop an efficient and convenient domestic sewage treatment equipment.

[0003] The traditional domestic sewage treatment method mainly adopts physical means such as sedimentation and filtration, and biochemical means such as biodegradation. Among them, filtration as a pretreatment step is of great significance for removing suspended solids, particulate matter and the like in sewage. However, the traditional filtration device has problems such as easy clogging and frequent maintenance, which affects its use effect and user experience. In particular, the filter plate, as the core component of the filtration device, its cleanliness and smoothness directly affect the treatment effect of sewage. SUMMARY

[0004] In order to solve the technical problems existing in the prior art, the present application provides a domestic sewage treatment tank.

[0005] In order to achieve the above purpose, the technical scheme adopted by the present application is as follows: a domestic sewage treatment tank, comprising: a support frame; a separation tank body, the separation tank body comprising a sedimentation tank and a water collecting tank, the sedimentation tank and the water collecting tank are both arranged on the support frame, a filter plate is arranged between the sedimentation tank and the water collecting tank, the filter plate has a plurality of through holes communicating the sedimentation tank and the water collecting tank, a water inlet pipeline is arranged on the sedimentation tank, a water outlet pipeline is arranged at the top of the water collecting tank, the sewage to be treated flows to the sedimentation tank, the through holes, the water collecting tank and the water outlet pipeline in sequence through the water inlet pipeline; a backwashing mechanism for flushing the clogged filter plate.

[0006] In some embodiments of the present application, the bottom of the sedimentation tank is provided with a sewage discharge pipeline, and a first control valve is arranged on the sewage discharge pipeline.

[0007] In some embodiments of the present application, the backwashing mechanism comprises a clean water pipeline and a second control valve, the clean water pipeline communicates with the water outlet pipeline, and the second control valve is arranged on the clean water pipeline.

[0008] In some embodiments of the present application, a third control valve for controlling the output of water body is arranged on the water outlet pipeline.

[0009] In some embodiments of the utility model, the bottom of the settling tank is provided with a conical groove, and the conical groove and the settling tank are integrally formed.

[0010] In some embodiments of the utility model, a water level monitoring mechanism is arranged on the settling tank, the water level monitoring mechanism comprises a control panel and a water level monitoring element, the water level monitoring element is arranged in the settling tank, the control panel is arranged on the outer side wall of the settling tank, the control panel and the water level monitoring element are electrically connected, and the control panel is used for controlling the opening and closing of the first control valve, the second control valve and the third control valve.

[0011] In some embodiments of the utility model, a cover body is arranged on the settling tank and the water collecting tank, and a filtering element for removing impurities is arranged on the cover body.

[0012] Beneficial effects:

[0013] The utility model provides a kind of domestic sewage treatment tank, comprising: support frame;Separation tank body, separation tank body includes settling tank and water collecting tank, settling tank and water collecting tank are all arranged on support frame, and filter plate is arranged between settling tank and water collecting tank, filter plate has a plurality of through holes for connecting settling tank and water collecting tank, water inlet pipeline is arranged on settling tank, and water collecting tank top is provided with drain pipeline, and the sewage to be treated flows to settling tank, through hole, water collecting tank and drain pipeline in turn by water inlet pipeline;Backwash mechanism, backwash mechanism is used to flush the filter plate blocked. Above-mentioned support frame provides stable support, and it is fixedly connected on the separation tank body of sewage treatment tank, to ensure that the structure for carrying out sewage treatment can work stably, and will not be displaced or damaged due to water flow impact or the weight of equipment itself. Above-mentioned separation tank body is used to separate the particulate impurities in domestic sewage, and it is convenient for subsequent treatment of domestic sewage. Above-mentioned settling tank is used for the liquid in tank and is used for the impurity settlement, and above-mentioned water collecting tank is used for temporarily storing the water after settling in settling tank, and the filter plate between above-mentioned settling tank and water collecting tank is used to separate water and particulate material flowing into water collecting tank, so that particulate material in sewage is separated in settling tank. Above-mentioned backwash mechanism is introduced by opposite clean water flow when settling tank and water collecting tank sewage treatment, so that filter plate can be washed reversely, and it is convenient to wash filter plate and settling tank, and it is convenient to maintain and clean, save time and effort.

[0014] Therefore, the domestic sewage treatment tank can wash filter plate against water flow by backwash structure, and it is convenient to maintain equipment. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiment or prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creating labor intensity.

[0016] Figure 1 is a structural schematic diagram of an embodiment of the present application;

[0017] Figure 2 is a structural schematic diagram of an embodiment of the present application;

[0018] In the figure: 1 - support frame; 2 - settling tank; 3 - water collecting tank; 4 - filter plate; 5 - water inlet pipeline; 6 - water outlet pipeline; 7 - blowdown pipeline; 8 - first control valve; 9 - clean water pipeline; 10 - second control valve; 11 - third control valve; 12 - conical tank; 13 - control panel; 14 - water level monitoring element; 15 - cover; 16 - impurity removal filter element. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments of the present application. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0020] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present application without making creative efforts fall within the scope of protection of the present application.

[0021] It should be noted that: similar reference numerals and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0022] In the description of the present application, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship when the product of the application is usually placed, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the present application. In addition, if the terms "first", "second" and the like appear in the description of the present application, they are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0023] In addition, the terms "horizontal", "vertical", and the like, appearing in the description of the present application, do not mean that the components must be absolutely horizontal or vertical, but can be slightly inclined. For example, "horizontal" only means that it is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0024] In the description of the present application, it should also be noted that, unless otherwise explicitly specified and limited, if the terms "arrangement", "installation", "connection", "connection" appear, they should be understood broadly, for example, they can be fixedly connected, or can be detachably connected, or integrally connected; can be mechanically connected, or can be electrically connected; can be directly connected, or indirectly connected through an intermediate medium; can be connected inside 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.

[0025] Embodiment

[0026] Please refer to Figure 1 and Figure 2 The present embodiment provides a household sewage treatment tank, comprising: a support frame 1; a separation tank body, the separation tank body comprising a settling tank 2 and a water collecting tank 3, the settling tank 2 and the water collecting tank 3 are arranged on the support frame 1, a filter plate 4 is arranged between the settling tank 2 and the water collecting tank 3, the filter plate 4 has a plurality of through holes for communicating the settling tank 2 and the water collecting tank 3, a water inlet pipe 5 is arranged on the settling tank 2, a water outlet pipe 6 is arranged at the top of the water collecting tank 3, the sewage to be treated flows through the water inlet pipe 5 to the settling tank 2, the through holes, the water collecting tank 3 and the water outlet pipe 6 in sequence; a backwashing mechanism for washing the blocked filter plate 4.

[0027] In the present embodiment, the above-mentioned support frame 1 provides stable support, which is fixedly connected to the separation tank body of the sewage treatment tank, ensuring that the structure for sewage treatment can work stably and will not be displaced or damaged due to water flow impact or the weight of the equipment itself.

[0028] In the present embodiment, the above-mentioned separation tank body is used to separate particulate impurities in household sewage, facilitating subsequent treatment of household sewage. Specifically, the above-mentioned settling tank 2 is used for impurity settlement of liquid introduced into the tank, the above-mentioned water collecting tank 3 is used for temporary storage of water body after settlement in the settling tank 2, and the filter plate 4 between the settling tank 2 and the water collecting tank 3 is used to separate the water body and particulate matter flowing into the water collecting tank 3, so that the particulate matter in the sewage is separated in the settling tank 2. The above-mentioned filter plate 4 is used to block the particulate impurities in the sewage in the settling tank 2, so as to facilitate the sewage to enter the water collecting tank 3. The above-mentioned water inlet pipe 5 is used to introduce the water to be purified. The above-mentioned water outlet pipe 6 is used to output the water body that has been settled and filtered.

[0029] In the embodiment, the backwash mechanism is used to introduce clean water flow in the opposite direction of the sewage treatment in the settling tank 2 and the water collecting tank 3, so that the filter plate 4 can be backwashed, and the filter plate 4 and the settling tank 2 are cleaned, which is convenient for maintenance and saves time and effort.

[0030] Please refer to Figure 1 and Figure 2 In some embodiments of the embodiment, the bottom of the settling tank 2 is provided with a blowdown pipeline 7, and the blowdown pipeline 7 is provided with a first control valve 8.

[0031] In the embodiment, the blowdown pipeline 7 is used to discharge the particulate impurities after settling and filtering, the first control valve 8 is used to control the opening and closing of the blowdown pipeline 7, and the first control valve 8 is in a normally closed state. When the backwash mechanism is backwashed, the first control valve 8 is opened, and clean water and particulate impurities are discharged at the same time.

[0032] Please refer to Figure 1 and Figure 2 In some embodiments of the embodiment, the backwash mechanism includes a clean water pipeline 9 and a second control valve 10, the clean water pipeline 9 communicates with the drain pipeline 6, and the second control valve 10 is arranged on the clean water pipeline 9.

[0033] In the embodiment, the clean water pipeline 9 is used to transport clean water into the water collecting tank 3, and the particulate matter blocked on the filter plate 4 on one side of the settling tank 2 is washed into the settling tank 2 by the reverse water flow, and then discharged through the blowdown pipeline 7, which facilitates subsequent sewage settling and filtering operations. The second control valve 10 is used to control the opening and closing of the clean water pipeline 9, and the second control valve 10 is in a closed state when sewage treatment is performed.

[0034] Please refer to Figure 1 and Figure 2 In some embodiments of the embodiment, the drain pipeline 6 is provided with a third control valve 11 for controlling the output of water.

[0035] In the embodiment, the third control valve 11 is used to control the opening and closing of the drain pipeline 6, and the third control valve 11 is in a normally open state, and when the settling tank 2 is cleaned by the backwash mechanism, the third control valve 11 is closed.

[0036] Please refer to Figure 1 and Figure 2 In some embodiments of the embodiment, the bottom of the settling tank 2 is provided with a conical tank 12, and the conical tank 12 is integrally formed with the settling tank 2.

[0037] In this embodiment, the conical groove 12 is used to promote the settlement of suspended solids, impurities and other particulate matters in the sewage. Through the guidance of the conical structure, the particulate matters are more easily deposited at the bottom of the groove, forming a sediment layer, so as to effectively separate the solid substances in the sewage and improve the water quality cleanliness. The design of the conical groove 12 makes the particulate matters receive more concentrated gravity effect during the settlement process, thereby improving the settlement speed. This helps to effectively remove the suspended solids in the sewage in a short time and improve the treatment efficiency.

[0038] Please refer to Figure 1 and Figure 2 In some embodiments of this embodiment, the settling tank 2 is provided with a water level monitoring mechanism, which includes a control panel 13 and a water level monitoring element 14. The water level monitoring element 14 is arranged in the settling tank 2, and the control panel 13 is arranged on the outer wall of the settling tank 2. The control panel 13 and the water level monitoring element 14 are electrically connected, and the control panel 13 is used to control the opening and closing of the first control valve 8, the second control valve 10 and the third control valve 11.

[0039] In this embodiment, the water level monitoring mechanism is used to monitor the liquid level in the settling tank 2 in real time. When the flowability of the filter plate 4 decreases or is blocked, the water level in the settling tank 2 will rise rapidly, so that the use state of the filter plate 4 is obtained by monitoring the water level rise, and the user can clean the filter plate 4. Specifically, the water level monitoring element 14 is used to obtain the water level state in real time. The control panel 13 is used to control the opening and closing of the first control valve 8, the second control valve 10 and the third control valve 11 according to the water level state, so as to realize automatic cleaning and greatly improve the effect of sewage treatment.

[0040] Please refer to Figure 1 and Figure 2 In some embodiments of this embodiment, the settling tank 2 and the water collecting tank 3 are covered with a cover 15, and the cover 15 is provided with a impurity removal filter element 16.

[0041] It should be noted that the domestic sewage will produce odor during the settling operation, which can easily cause discomfort to the operator in the operation space. The cover 15 can prevent the odor from overflowing automatically, and the impurity removal filter element 16 is used to filter and remove impurities from the discharged gas to avoid the generation of odor.

[0042] In use, when sewage is treated, the control panel 13 controls the first control valve 8 to be closed, the second control valve 10 to be closed and the third control valve 11 to be opened, the domestic sewage to be settled and filtered is delivered through the water inlet pipe 5, the domestic sewage continuously flows into the settling tank 2, when the water level reaches the filter plate 4, the water continuously flows into the water collecting tank 3, the water flowing into the water collecting tank 3 is blocked by the filter plate 4 to keep solid particles in the settling tank 2, when the filter plate 4 is blocked to cause insufficient water flow, the water level rises significantly, when the water level reaches the preset water level that needs to be cleaned, the first control valve 8 is opened, the second control valve 10 is opened and the third control valve 11 is closed, the control valve on the water inlet pipe 5 is closed, clean water is continuously input through the clean water pipe 9, the filter plate 4 and the settling tank 2 are flushed to be clean.

[0043] The above only describes the preferred embodiments of the present application and is not used to limit the present application. The present application can have various changes and variations for those skilled in the art. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A domestic sewage treatment tank, characterised in that, The utility model relates to a sewage treatment device, including: Support frame (1); Separation groove body, the separation groove body includes setting on the support frame (1) and the water collecting groove (3) of sedimentation tank (2), the water collecting groove (3) is provided with filter plate (4) between sedimentation tank (2), the filter plate (4) has a plurality of through -holes with the communication of sedimentation tank (2) and water collecting groove (3), the water inlet pipeline (5) is provided on sedimentation tank (2), the water collecting groove (3) top is provided with drain pipeline (6), and the sewage to be handled flows to sedimentation tank (2) in proper order through water inlet pipeline (5), the through -hole, the water collecting groove (3) and drain pipeline (6); Backwash mechanism, the backwash mechanism is used for washing the filter plate (4) of being blocked.

2. A domestic sewage treatment tank as claimed in claim 1, wherein The bottom of the sedimentation tank (2) is provided with a sewage pipe (7), and the first control valve (8) is arranged on the sewage pipe (7).

3. A domestic sewage treatment tank as claimed in claim 2, wherein The backwash mechanism includes a clean water pipe (9) and a second control valve (10), the clean water pipe (9) is communicated with the drain pipe (6), and the second control valve (10) is arranged on the clean water pipe (9).

4. A domestic sewage treatment tank as claimed in claim 3, wherein The third control valve (11) for controlling the water output is arranged on the drain pipe (6).

5. A domestic sewage treatment tank as claimed in claim 4, wherein The bottom of the sedimentation tank (2) is provided with a tapered groove (12), and the tapered groove (12) and the sedimentation tank (2) are integrally formed.

6. A domestic sewage treatment tank as claimed in claim 5, wherein The water level monitoring mechanism is arranged on the sedimentation tank (2), the water level monitoring mechanism includes a control panel (13) and a water level monitoring element (14), the water level monitoring element (14) is arranged in the sedimentation tank (2), the control panel (13) is arranged on the outer wall of the sedimentation tank (2), the control panel (13) and the water level monitoring element (14) are electrically connected, and the control panel (13) is used for controlling the opening and closing of the first control valve (8), the second control valve (10) and the third control valve (11).

7. A domestic sewage treatment tank as claimed in claim 1, wherein The cover (15) is arranged on the sedimentation tank (2) and the water collecting groove (3), and the impurity removal filter element (16) is arranged on the cover (15).