Water-saving backwashing device

Abstract

The utility model provides a water-saving backwashing device which comprises a water tank, a filter is arranged on one side of the water tank, a connecting pipe is fixedly connected between the filter and the water tank, a drain pipe is connected to the surface of the other side of the filter, and a first valve and a second valve are fixedly mounted on the surfaces of the connecting pipe and the drain pipe respectively. A backwashing mechanism is arranged between the water tank and the filter and comprises a backwashing pump. Through the use of the backwashing mechanism and the filtering mechanism, when the filter needs to be subjected to backwashing, a washing pump is started to work, water in the water tank can be pumped out and discharged into the filter, the filter is subjected to backwashing, sewage can be discharged into a recycling box through a sewage discharging pipe to be filtered, then the filtered sewage can be pumped away by a water suction pump, and the filtering efficiency of the filter is improved. And the water is discharged into the water tank, so that the purpose of saving water is achieved, and waste of water resources in the backwashing process is avoided.

Description

Technical Field

[0001] The utility model relates to the field of sewage backwashing, and in particular to a water-saving backwashing device. Background Art

[0002] Sewage backwashing is an effective sewage treatment and filtration system maintenance technology. It removes impurities and clogging materials in the filter layer through reverse water flow, restores the filtration capacity of the filter tank, ensures the efficient operation of the sewage treatment system, thereby improving water quality and protecting the environment.

[0003] Existing backwashing devices play an important role in sewage treatment and filtration system maintenance, but they often lack water-saving considerations. These devices consume a large amount of water resources during backwashing operations, which not only increases operating costs but also does not meet current environmental protection and sustainable development requirements.

[0004] Therefore, we make improvements to this and propose a water-saving backwashing device. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a water-saving backwashing device, which solves the problems mentioned in the background technology.

[0006] In order to achieve the above-mentioned utility model purpose, the utility model provides the following technical solutions:

[0007] Water-saving backwashing device is used to solve the above problems.

[0008] The specific application is as follows:

[0009] It comprises a water tank, a filter is arranged on one side of the water tank, a connecting pipe is fixedly connected between the filter and the water tank, a drain pipe is connected to the surface of the other side of the filter, a first valve and a second valve are fixedly installed on the surfaces of the connecting pipe and the drain pipe respectively, and a backwashing mechanism is arranged between the water tank and the filter;

[0010] The backwashing mechanism includes a backwashing pump, and a first water pipe and a second water pipe are fixedly installed on both side surfaces of the backwashing pump, the other end of the first water pipe extends to the inside of the water tank, and the other end of the second water pipe is connected to the filter, a third valve is fixedly installed on the surface of the second water pipe, a recovery box is provided on the lower side of the filter, and a sewage pipe is connected between the recovery box and the filter, and a fourth valve is fixedly installed on the surface of the sewage pipe;

[0011] A filtering mechanism is arranged inside the recovery box.

[0012] As a preferred technical solution of the present application, a water pump is provided on one side of the recovery box, and a third water pipe and a fourth water pipe are fixedly installed on the two side surfaces of the water pump, respectively, the other end of the third water pipe extends to the bottom of the recovery box, and the other end of the fourth water pipe is connected to the water tank.

[0013] As a preferred technical solution of the present application, the filtering mechanism includes a fixed frame, and the fixed frame is fixedly installed inside the recovery box, and a filter net is fixedly installed inside the fixed frame.

[0014] As a preferred technical solution of the present application, a reciprocating screw is fixedly installed on the upper side of the filter screen inside the recycling box, and a sliding rod is threadedly connected to the outer surface of the reciprocating screw, a brush is installed on the lower side of the sliding rod, and the brush is in contact with the surface of the filter screen, a motor is fixedly installed on one side surface of the recycling box, and the output end of the motor is fixedly connected to one end of the reciprocating screw, a fixed rod is fixedly installed inside the recycling box, and the connection method between the fixed rod and the sliding rod is a sliding connection.

[0015] As a preferred technical solution of the present application, collection boxes are provided on both sides of the fixed frame, and a handle is fixedly installed on one side surface of the collection box, two fixing frames are fixedly installed inside the recycling box, and the two fixing frames are both L-shaped, and the collection box and the fixing frame are connected by a sliding connection.

[0016] As a preferred technical solution of the present application, a sliding groove is provided on the lower surface of the sliding rod, and a connecting block is slidably connected inside the sliding groove, and the connecting block is fixedly connected to the brush, and a spring is fixedly installed between the connecting block and the inner wall of the sliding groove.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] In the scheme of this application:

[0019] Through the use of backwashing mechanism and filtering mechanism, when the filter needs to be backwashed, the flushing pump is started to pump out the water inside the water tank and discharge it into the filter to backwash the filter. The sewage will be discharged into the recovery tank through the sewage pipe for filtering. Then the water pump will pump out the filtered sewage and discharge it into the water tank, thereby achieving the purpose of water saving and avoiding waste of water resources during the backwashing process. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A three-dimensional structural schematic diagram of the water-saving backwashing device provided in this application;

[0021] Figure 2 A three-dimensional structural diagram of the filter mechanism of the water-saving backwashing device provided in this application;

[0022] Figure 3 A schematic structural diagram of a cross-section of a recovery tank of a water-saving backwashing device provided in this application;

[0023] Figure 4 Water-saving backwashing device provided for this application Figure 3 Schematic diagram of the enlarged structure of part A in the middle.

[0024] Indicated in the figure:

[0025] 1. Water tank; 2. Filter; 3. Connecting pipe; 4. Drain pipe; 5. First valve; 6. Second valve; 7. Backwash mechanism; 701. Backwash pump; 702. First water pipe; 703. Second water pipe; 704. Third valve; 705. Recovery box; 706. Drain pipe; 707. Fourth valve; 708. Pump; 709. Third water pipe; 710. Fourth water pipe; 8. Filter mechanism; 801. Fixed frame; 802. Filter screen; 803. Reciprocating screw; 804. Sliding rod; 805. Brush; 806. Motor; 807. Fixed rod; 808. Collection box; 809. Handle; 810. Fixed frame; 811. Slide; 812. Connecting block; 813. Spring. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described example is a part of the embodiment of the utility model, not all of the embodiments.

[0027] Therefore, the following detailed description of the embodiments of the present invention is not intended to limit the scope of the present invention to be protected, but merely represents some embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

[0029] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0030] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "upper" and "lower" is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, or the orientation or position relationship commonly understood by those skilled in the art. Such terms are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first" and "second" are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0031] In order to solve the technical problems in the background technology, the following water-saving backwashing device is provided:

[0032] Combination Figure 1 - Figure 4 As shown, the utility model provides a water-saving backwashing device, including a water tank 1, a filter 2 is arranged on one side of the water tank 1, and a connecting pipe 3 is fixedly connected between the filter 2 and the water tank 1, and a drain pipe 4 is connected to the other side surface of the filter 2, and a first valve 5 and a second valve 6 are fixedly installed on the surfaces of the connecting pipe 3 and the drain pipe 4, respectively, a backwashing mechanism 7 is arranged between the water tank 1 and the filter 2, the backwashing mechanism 7 includes a backwashing pump 701, and a first water pipe 702 and a second water pipe 703 are fixedly installed on the two side surfaces of the backwashing pump 701, respectively, the other end of the first water pipe 702 extends to the interior of the water tank 1, and the other end of the second water pipe 703 is connected to the filter 2, and a third valve 704 is fixedly installed on the surface of the second water pipe 703, a recovery box 705 is arranged on the lower side of the filter 2, and a sewage pipe 706 is connected between the recovery box 705 and the filter 2, a fourth valve 707 is fixedly installed on the surface of the sewage pipe 706, and a filtering mechanism 8 is arranged inside the recovery box 705.

[0033] In this embodiment: when the first valve 5 and the second valve 6 are opened, the water inside the water tank 1 will be filtered through the filter 2. When the filter 2 needs to be backwashed after being used for a period of time, the first valve 5 and the second valve 6 are closed, the third valve 704 and the fourth valve 707 are opened, and the backwashing pump 701 is started to pump out the water inside the water tank 1 and discharge it into the filter 2 for backwashing. The sewage after flushing will be discharged into the recovery box 705 through the sewage pipe 706, and the sewage will be filtered through the filtering mechanism 8.

[0034] refer to Figure 1 Based on the above embodiments, in order to achieve the purpose of water saving, this embodiment provides the following design:

[0035] As a preferred embodiment, a water pump 708 is provided on one side of the recovery box 705, and a third water pipe 709 and a fourth water pipe 710 are fixedly installed on the two side surfaces of the water pump 708, respectively. The other end of the third water pipe 709 extends to the bottom of the recovery box 705, and the other end of the fourth water pipe 710 is connected to the water tank 1.

[0036] In this embodiment: after the recovery box 705 is filtered by the filtering mechanism 8, the water pump 708 can be started to work, and the water pump 708 will pump out the filtered water and discharge it into the water tank 1 through the fourth water pipe 710, thereby achieving the purpose of water saving.

[0037] refer to Figure 2 and Figure 3 Based on the above embodiment, in order to filter the sewage after flushing, this embodiment provides the following design:

[0038] As a preferred embodiment, the filtering mechanism 8 includes a fixing frame 801 , and the fixing frame 801 is fixedly installed inside the recovery box 705 , and a filter net 802 is fixedly installed inside the fixing frame 801 .

[0039] In this embodiment, the sewage generated by flushing the filter 2 is discharged into the recovery box 705 through the sewage pipe 706 and can be filtered through the filter net 802 inside the fixed frame 801.

[0040] refer to Figure 2 and Figure 3 On the basis of the above embodiment, in order to clean the impurities filtered on the surface of the filter 802, this embodiment provides the following design:

[0041] As a preferred embodiment, a reciprocating screw 803 is fixedly installed inside the recycling box 705 on the upper side of the filter 802, and a sliding rod 804 is threadedly connected to the outer surface of the reciprocating screw 803, a brush 805 is installed on the lower side of the sliding rod 804, and the brush 805 is in contact with the surface of the filter 802, a motor 806 is fixedly installed on the surface of one side of the recycling box 705, and the output end of the motor 806 is fixedly connected to one end of the reciprocating screw 803, a fixed rod 807 is fixedly installed inside the recycling box 705, and the connection between the fixed rod 807 and the sliding rod 804 is a sliding connection.

[0042] In this embodiment: the filter screen 802 may become clogged after a long period of use, and the motor 806 is started to work. The motor 806 will drive the reciprocating screw 803 at the output end to rotate. The rotation of the reciprocating screw 803 can drive the sliding rod 804 to reciprocate and limit it through the fixed rod 807. When the sliding rod 804 slides, it can drive the brush 805 on the bottom side to move to clean the surface of the filter screen 802.

[0043] refer to Figure 2 and Figure 3 On the basis of the above embodiment, in order to collect the cleaned impurities, this embodiment provides the following design:

[0044] As a preferred embodiment, collection boxes 808 are provided on both sides of the fixed frame 801, and a handle 809 is fixedly installed on one side surface of the collection box 808. Two fixing frames 810 are fixedly installed inside the recycling box 705, and the two fixing frames 810 are both L-shaped, and the collection box 808 and the fixing frame 810 are connected by sliding connection.

[0045] In this embodiment: the brush 805 reciprocates to push the impurities on the surface of the filter 802 into the collection boxes 808 on both sides. The L-shaped fixing frame 810 at the bottom can support the collection box 808, and by pulling the handle 809, the collection box 808 can be easily taken out for cleaning.

[0046] refer to Figure 4 On the basis of the above embodiment, in order to better clean the filter 802, this embodiment provides the following design:

[0047] As a preferred embodiment, a sliding groove 811 is provided on the lower surface of the sliding rod 804, and a connecting block 812 is slidably connected inside the sliding groove 811, and the connecting block 812 is fixedly connected to the brush 805, and a spring 813 is fixedly installed between the connecting block 812 and the inner wall of the sliding groove 811.

[0048] In this embodiment, the elastic force of the spring 813 can be used to support the connecting block 812, so that the brush 805 on the lower surface of the connecting block 812 contacts the filter 802. When the sliding rod 804 drives the brush 805 to move, the filter 802 is easily cleaned.

[0049] The working principle is:

[0050] The above is the working process of the entire device, and the contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field.

[0051] The above embodiments are only used to illustrate the present invention and are not intended to limit the technical solutions described in the present invention. Although the present invention has been described in detail with reference to the above embodiments, the present invention is not limited to the above specific implementation methods. Therefore, any modification or equivalent replacement of the present invention; and all technical solutions and improvements thereof that do not depart from the spirit and scope of the present invention are included in the scope of the claims of the present invention.

Claims

1. A water-saving backwashing device, comprising a water tank (1), characterized in that: A filter (2) is provided on one side of the water tank (1), a connecting pipe (3) is fixedly connected between the filter (2) and the water tank (1), and a drainage pipe (4) is connected to the surface of the other side of the filter (2), a first valve (5) and a second valve (6) are fixedly installed on the surfaces of the connecting pipe (3) and the drainage pipe (4), respectively, and a backwashing mechanism (7) is provided between the water tank (1) and the filter (2); The backwashing mechanism (7) comprises a backwashing pump (701), and a first water pipe (702) and a second water pipe (703) are respectively fixedly mounted on the two side surfaces of the backwashing pump (701), the other end of the first water pipe (702) extends to the interior of the water tank (1), and the other end of the second water pipe (703) is connected to the filter (2), a third valve (704) is fixedly mounted on the surface of the second water pipe (703), a recovery box (705) is provided on the lower side of the filter (2), and a sewage pipe (706) is connected between the recovery box (705) and the filter (2), and a fourth valve (707) is fixedly mounted on the surface of the sewage pipe (706); A filtering mechanism (8) is provided inside the recovery box (705).

2. A water-saving backwashing device according to claim 1, characterized in that: A water pump (708) is provided on one side of the recovery box (705), and a third water pipe (709) and a fourth water pipe (710) are respectively fixedly mounted on the two side surfaces of the water pump (708), the other end of the third water pipe (709) extends to the bottom of the recovery box (705), and the other end of the fourth water pipe (710) is connected to the water tank (1).

3. A water-saving backwashing device according to claim 1, characterized in that: The filtering mechanism (8) comprises a fixing frame (801), and the fixing frame (801) is fixedly installed inside the recovery box (705), and a filtering net (802) is fixedly installed inside the fixing frame (801).

4. A water-saving backwashing device according to claim 3, characterized in that: A reciprocating screw (803) is fixedly installed inside the recycling box (705) on the upper side of the filter (802), and a sliding rod (804) is threadedly connected to the outer surface of the reciprocating screw (803). A brush (805) is installed on the lower side of the sliding rod (804), and the brush (805) is in contact with the surface of the filter (802). A motor (806) is fixedly installed on the surface of one side of the recycling box (705), and the output end of the motor (806) is fixedly connected to one end of the reciprocating screw (803). A fixed rod (807) is fixedly installed inside the recycling box (705), and the connection method between the fixed rod (807) and the sliding rod (804) is a sliding connection.

5. A water-saving backwashing device according to claim 3, characterized in that: Collection boxes (808) are provided on both sides of the fixed frame (801), and a handle (809) is fixedly installed on the surface of one side of the collection box (808). Two fixing frames (810) are fixedly installed inside the recycling box (705), and the two fixing frames (810) are both arranged in an L shape, and the collection box (808) and the fixing frames (810) are connected in a sliding manner.

6. A water-saving backwashing device according to claim 4, characterized in that: The lower surface of the sliding rod (804) is provided with a sliding groove (811), and a connecting block (812) is slidably connected inside the sliding groove (811), and the connecting block (812) is fixedly connected to the brush (805), and a spring (813) is fixedly installed between the connecting block (812) and the inner wall of the sliding groove (811).

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