Backwashing equipment for water treatment

Abstract

The invention discloses backwashing equipment for water treatment, and belongs to the field of water treatment equipment.The backwashing equipment comprises a shell, a filter screen is fixedly connected in the shell, a rotating mechanism is arranged in the shell and comprises a rotating shaft, the rotating shaft is rotationally connected to the center position of the shell, and a backwashing mechanism is installed in the shell and comprises a fixing ring; the fixing ring is fixedly connected in the shell, and a plurality of water spraying pipes for backwashing the filter screen are fixedly connected in the fixing ring. The device has the beneficial effects that a backwashing mechanism, a knocking mechanism and a vibrating mechanism are arranged, when the water spraying pipes perform backwashing operation, a pressurizing block circularly pressurizes water flow in each water spraying pipe through rotation of a rotating block and a knocking piece, each vibrating rod is knocked by using the knocking piece, and the effect is better when the filter screen is subjected to backwashing; and the water spraying pipes and the vibration rods are arranged on the radial plane of the shell in a staggered manner, so that the backwashing effect is further improved.

Description

Technical Field

[0001] The invention relates to the field of water treatment equipment, in particular to backwashing equipment for water treatment. Background Art

[0002] Water treatment technology uses relevant technical means to purify water so that it can continue to be used, so water treatment is extremely important. For scenarios with high water treatment requirements, filter elements or filter nets are needed to filter sewage. However, after the water treatment equipment has been working for a period of time, the filter components need to be cleaned. In order to reduce the labor intensity and cleaning time of cleaning, backwashing technology came into being.

[0003] After searching, the Chinese patent announcement number CN217188180U discloses an intelligent backwash sewage purification treatment device, which includes a backwash box, a backwash component and a monitoring component. A plurality of filter materials are equidistantly installed inside the backwash box. The backwash water pump of the filter material is in contact with the inner wall of the backwash box, and a monitoring component is provided at the rear end of each filter material. The monitoring component includes a bracket, a mounting plate and a water flow sensor. A backwash component is fixedly installed on the top of the backwash box. The backwash component includes a suction pipe, a backwash water pump, a booster pump, a backwash pipe connecting pipe and a flushing nozzle. The device electrically connects the filter material, the backwashing component and the control box to form a control system, so that the device can backwash the impurities accumulated on the surface of the filter material, which not only saves equipment loss, but also improves the backwashing effect and ensures the efficiency of sewage treatment. However, the existing backwashing device only flushes the filter net, and it is difficult to ensure the flushing and cleaning effect. In addition, in some devices that scrape and vibrate the filter net during flushing, there is a lack of coordination mechanism between the flushing action and the vibration, which affects the backwashing effect of the filter net. Summary of the invention

[0004] The object of the present invention is to provide a backwashing device for water treatment in order to solve the above-mentioned problems.

[0005] The present invention achieves the above-mentioned purpose through the following technical solutions:

[0006] A backwashing device for water treatment, comprising a shell, a filter screen is fixedly connected in the shell, a rotating mechanism is arranged in the shell, the rotating mechanism comprises a rotating shaft, the rotating shaft is rotatably connected to the center of the shell, a backwashing mechanism is installed in the shell, the backwashing mechanism comprises a fixing ring, the fixing ring is fixedly connected in the shell, and a plurality of water spray pipes for backwashing the filter screen are fixedly connected in the fixing ring;

[0007] A knocking mechanism is arranged in the shell, and the knocking mechanism includes a rotating block, which is fixedly connected to the rotating shaft, and a knocking plate is fixedly connected to one side of the rotating block. A vibration mechanism is installed in the shell, and the vibration mechanism includes a fixed plate, and a plurality of vibration rods for knocking the filter screen are slidably connected in the fixed plate. A No. 2 spring is installed between the fixed plate and the vibration rod, and the vibration rod and the water spray pipe are arranged in a ring and staggered.

[0008] Preferably, a pressurizing assembly is provided on the water spray pipe, and the pressurizing assembly includes a mounting frame, which is fixedly connected to the opposite side of each water spray pipe, and a notch for the rotating block to pass through is opened on the opposite side of the mounting frame. A pressurizing block is slidably connected in the mounting frame, and a No. 1 spring is installed between the pressurizing block and the mounting frame.

[0009] Preferably, a plurality of notches are provided on one side of the striking plate relative to the vibration rod.

[0010] Preferably, the vibration mechanism includes a connecting frame, the connecting frame is fixedly connected to the inner wall of the shell, and the fixing plate is fixedly connected to the inner side of the connecting frame.

[0011] Preferably, the backwash mechanism includes a pressurizing chamber, which is fixedly connected to one side of the fixing ring, a water supply pipe is fixedly connected to the bottom of the pressurizing chamber, and the pressurizing chamber is connected to the water spray pipe.

[0012] Preferably, a scraping frame is fixedly connected to the rotating shaft, and the scraping frame is movably arranged in the filter screen and pressed against the inner wall thereof.

[0013] The beneficial effects are: a backwashing mechanism, a knocking mechanism and a vibration mechanism are set. When the water spray pipe is backwashing, the pressure block circulates and pressurizes the water flow in each water spray pipe through the rotation of the rotating block and the knocking plate, and the knocking plate is used to knock on each vibration rod, which has a better effect when backwashing the filter screen, and the water spray pipe and the vibration rod are staggered on the radial plane of the shell, which further improves the backwashing effect.

[0014] The additional technical features and advantages of the present invention will be more clearly explained in the following description, or can be understood through the specific practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the present invention but do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 is a schematic diagram of a backwashing device for water treatment according to the present invention;

[0017] Figure 2 is a cross-sectional view of a backwashing device for water treatment according to the present invention;

[0018] Figure 3 It is a schematic diagram of the interior of a shell of a backwashing device for water treatment according to the present invention;

[0019] Figure 4 The invention relates to a backwashing device for water treatment. Figure 3 The filter diagram is omitted;

[0020] Figure 5 It is a schematic diagram of the cooperation between the backwashing mechanism and the knocking mechanism of a backwashing device for water treatment according to the present invention;

[0021] Figure 6 is a cross-sectional view of a fixed disk of a backwashing device for water treatment according to the present invention;

[0022] Figure 7 It is a schematic diagram of the connection between a water spray pipe and a mounting frame of a backwashing device for water treatment according to the present invention;

[0023] Figure 8 It is a cross-sectional view of an installation frame of a backwashing device for water treatment according to the present invention.

[0024] The reference numerals are as follows: 101, shell; 102, valve body; 103, water outlet pipe; 104, filter screen; 105, sewage pipe; 201, rotating shaft; 202, scraper frame; 203, motor; 301, pressurizing chamber; 302, water supply pipe; 303, fixing ring; 304, water spray pipe; 305, mounting frame; 306, pressurizing block; 307, spring No. 1; 401, rotating block; 402, knocking plate; 403, notch; 501, connecting frame; 502, fixing plate; 503, vibration rod; 504, spring No. 2. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0026] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying 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 invention.

[0027] The present invention will be further described below in conjunction with the accompanying drawings:

[0028] like Figure 1 — Figure 8 As shown, a backwashing device for water treatment includes a shell 101, a valve body 102 and a water outlet pipe 103 are installed on the shell 101, a filter screen 104 is connected to the shell 101 by bolts, a sewage pipe 105 is connected to the filter screen 104 by bolts, a rotating mechanism is arranged in the shell 101, the rotating mechanism includes a rotating shaft 201, the rotating shaft 201 is rotatably connected to the center of the shell 101, a backwashing mechanism is installed in the shell 101, the backwashing mechanism includes a fixing ring 303, the fixing ring 303 is connected to the shell 101 by bolts, and a plurality of water spray pipes 304 for backwashing the filter screen 104 are connected to the fixing ring 303 by bolts;

[0029] A knocking mechanism is arranged in the shell 101, and the knocking mechanism includes a rotating block 401, the rotating block 401 is welded on the rotating shaft 201, and a knocking piece 402 is connected to one side of the rotating block 401 by bolts. A vibration mechanism is installed in the shell 101, and the vibration mechanism includes a fixed plate 502, and a plurality of vibration rods 503 for knocking the filter screen 104 are slidably connected in the fixed plate 502. When the knocking piece 402 rotates with the rotating block 401, it will cyclically knock each vibration rod 503, thereby When the water spray pipe 304 backwashes the filter screen 104, a better cleaning effect is achieved. A No. 2 spring 504 is installed between the fixed plate 502 and the vibration rod 503. The vibration rod 503 and the water spray pipe 304 are arranged in a ring and staggered. The vibration rod 503 and the water spray pipe 304 are staggered. The action of the vibration rod 503 knocking on the filter screen 104 and the cyclic pressurization action of the water flow in the water spray pipe 304 by the pressure block 306 are alternately performed, thereby further improving the backwashing effect.

[0030] In this embodiment, a pressurizing component is provided on the water spray pipe 304, and the pressurizing component includes a mounting frame 305, and the mounting frame 305 is connected to the opposite side of each water spray pipe 304 by bolts. A notch for the rotation block 401 to pass through is opened on the opposite side of the mounting frame 305, and the side of the rotation block 401 is an inclined surface, which is used to cyclically push the mounting frame 305 so that the mounting frame 305 can reduce the water outlet area of ​​the water spray pipe 304. A pressurizing block 306 is slidably connected in the mounting frame 305, and a No. 1 spring 307 is installed between the pressurizing block 306 and the mounting frame 305. During the rotation of the rotating block 401, each time it passes through a water spray pipe 304, it pushes the corresponding pressurizing block 306 to move into the water spray pipe 304, thereby cyclically pressurizing the water flow sprayed from the water spray pipe 304 to improve the backwashing effect.

[0031] In this embodiment, a plurality of notches 403 are provided on one side of the knocking piece 402 opposite to the vibration rod 503. The notches 403 increase the frequency of the vibration rod 503 knocking the filter 104, which is conducive to the removal of impurities adhering to the inner wall of the filter 104.

[0032] In this embodiment, the vibration mechanism includes a connecting frame 501 , which is connected to the inner wall of the housing 101 by bolts, and a fixing plate 502 is connected to the inner side of the connecting frame 501 by bolts.

[0033] In this embodiment, the backwash mechanism includes a pressurizing chamber 301, which is connected to one side of a fixing ring 303 by bolts. A water supply pipe 302 is connected to the bottom of the pressurizing chamber 301 by bolts. The pressurizing chamber 301 is connected to a water spray pipe 304, and the water supply pipe 302 is connected to an external water source. The water flow supplied to the pressurizing chamber 301 is pressurized and evenly sprayed out from the water spray pipe 304.

[0034] In this embodiment, a scraper frame 202 is connected to the rotating shaft 201 by bolts, and a motor 203 is connected to one end of the shell 101 by bolts. The rotating shaft 201 is connected to the output end of the motor 203 through a coupling. The scraper frame 202 is movably arranged in the filter screen 104 and pressed against the inner wall thereof. The scraper frame 202 scrapes the inner wall of the filter screen 104 as the rotating shaft 201 rotates, thereby improving the cleaning effect.

[0035] Working principle: When the device is backwashing, the valve body 102 in the shell 101 is closed, the sewage pipe 105 is opened, and the pressure pump in the pressure chamber 301 is used to pressurize the water supplied in the water supply pipe 302, and spray it from the water spray pipe 304 to backwash the filter 104, and the motor 203 is turned on. The motor 203 drives the rotating shaft 201 to rotate, and the rotating shaft 201 drives the scraping frame 202 to rotate. During backwashing, the inner wall of the filter 104 is scraped. When the rotating shaft 201 rotates, the rotating shaft 201 drives the rotating block 401 to rotate. Every time the rotating block 401 passes through a water spray pipe 304, it pushes the corresponding pressure block 306 to move into the water spray pipe 304, thereby circulating and pressurizing the water flow sprayed from the water spray pipe 304. To improve the backwashing effect, before and after each pressurization, the No. 1 spring 307 is cyclically compressed to reset the pressurizing block 306. When the rotating block 401 rotates, the rotating block 401 rotates with the knocking plate 402, and the knocking plate 402 cyclically knocks the vibration rod 503, and cooperates with the notch 403 set on the knocking plate 402 to increase the vibration frequency when the vibration rod 503 is knocked and vibrated. The staggered vibration rods 503 and the water spray pipes 304 make the vibration rod 503 knock on the filter screen 104 and the water flow in the water spray pipe 304 is subjected to the cyclic pressurization action of the pressurizing block 306 alternately, further improving the backwashing effect. After the backwashing is completed, the fixing ring 303 and the sewage pipe 105 are closed, and the valve body 102 is opened, and the water treatment work can be carried out again.

[0036] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of the present invention to be protected is defined by the attached claims and their equivalents.

Claims

1. A backwashing device for water treatment, comprising a housing (101), wherein a filter screen (104) is fixedly connected to the housing (101), characterized in that: A rotating mechanism is arranged in the shell (101), the rotating mechanism comprising a rotating shaft (201), the rotating shaft (201) being rotatably connected to the center of the shell (101), a backwashing mechanism is installed in the shell (101), the backwashing mechanism comprises a fixing ring (303), the fixing ring (303) is fixedly connected in the shell (101), and a plurality of water spray pipes (304) for backwashing the filter screen (104) are fixedly connected in the fixing ring (303); A knocking mechanism is arranged in the shell (101), the knocking mechanism comprises a rotating block (401), the rotating block (401) is fixedly connected to the rotating shaft (201), a knocking sheet (402) is fixedly connected to one side of the rotating block (401), a vibration mechanism is installed in the shell (101), the vibration mechanism comprises a fixed disk (502), a plurality of vibration rods (503) for knocking the filter screen (104) are slidably connected in the fixed disk (502), a No. 2 spring (504) is installed between the fixed disk (502) and the vibration rod (503), and the vibration rod (503) and the water spray pipe (304) are arranged in a ring shape and staggered.

2. A backwashing device for water treatment according to claim 1, characterized in that: The water spray pipe (304) is provided with a pressurizing component, and the pressurizing component includes a mounting frame (305). The mounting frame (305) is fixedly connected to the opposite side of each water spray pipe (304). A notch for the rotating block (401) to pass through is opened on the opposite side of the mounting frame (305). A pressurizing block (306) is slidably connected inside the mounting frame (305), and a No. 1 spring (307) is installed between the pressurizing block (306) and the mounting frame (305).

3. A backwashing device for water treatment according to claim 1, characterized in that: A plurality of notches (403) are provided on one side of the knocking plate (402) opposite to the vibration rod (503).

4. A backwashing device for water treatment according to claim 1, characterized in that: The vibration mechanism comprises a connecting frame (501), the connecting frame (501) is fixedly connected to the inner wall of the shell (101), and the fixing plate (502) is fixedly connected to the inner side of the connecting frame (501).

5. A backwashing device for water treatment according to claim 1, characterized in that: The backwashing mechanism comprises a pressurizing chamber (301), the pressurizing chamber (301) is fixedly connected to one side of the fixing ring (303), a water supply pipe (302) is fixedly connected to the bottom of the pressurizing chamber (301), and the pressurizing chamber (301) is in communication with the water spray pipe (304).

6. A backwashing device for water treatment according to claim 1, characterized in that: A scraping frame (202) is fixedly connected to the rotating shaft (201), and the scraping frame (202) is movably arranged in the filter screen (104) and pressed against the inner wall thereof.

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