Sewage steam stripping automatic backwashing filter

Abstract

The utility model belongs to the technical field of sewage treatment, and particularly relates to a sewage steam stripping automatic backwashing filter, which comprises an anti-backflow structure for blocking backflow in sewage steam stripping and a cleaning structure for cleaning impurities in the filter, a water outlet is formed in the outer side of the anti-backflow structure, and a water outlet is formed in the outer side of the cleaning structure. A first connecting pipe is installed at the top of the water outlet, a cylinder is installed at the upper end of the first connecting pipe, and a cleaning structure is installed in the cylinder. Through the arrangement of the cleaning structure, after sewage enters the filter, when impurity precipitation occurs, the motor is started to drive the rotating rod II to rotate, meanwhile, a circular ring arranged on the periphery of the rotating rod II can reduce impurities entering the rotating rod II, and meanwhile, after the rotating rod II rotates, the impurities are prevented from entering the rotating rod II. The filter screen is driven to collect external chippings, and then impurities at the bottom are brushed by the filter cartridge and are adsorbed, so that the phenomenon that the amount of waste water is too high is further reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of sewage treatment, and in particular relates to an automatic backwashing filter for sewage stripping. Background Art

[0002] The background technology of the sewage stripping automatic backwashing filter mainly involves the fields of sewage treatment and environmental protection. With the rapid development of industrialization and urbanization, sewage treatment has become an important environmental issue. At the same time, this filter combines stripping technology and automatic backwashing technology to improve the efficiency and automation of sewage treatment. Stripping technology can effectively remove harmful gases and volatile organic compounds in sewage.

[0003] Publication No.: CN210751617U, a sewage stripping automatic backwashing filter, including a filtering system and a backwashing system; the filtering system includes a plurality of filter tanks, an inlet pipe and an outlet pipe respectively connected to the upper and lower ends of the filter tanks; the backwashing system includes a displacement liquid pipe and a backwashing liquid pipe respectively connected to the inlet pipe and the outlet pipe, and the inlet pipe is also connected to a sewage pipe; when the filter material in the filter tank is blocked by impurities and soft coke asphalt substances, the inlet pipe is first closed, and purified water is introduced into the filter tank through the displacement liquid pipe to displace the sewage; then the outlet pipe is closed, the backwashing liquid pipe and the sewage pipe are opened, and the filter material is washed with backwashing water, thereby realizing automatic backwashing of the filter tank; and when one group of filter tanks is backwashing, the other filter tanks are in a normal filtering state, so there is no need to shut down the filter system for processing, which can ensure the continuous and effective operation of the filter system and has high economic benefits.

[0004] In the above document, the filter tank is automatically backwashed by opening the backwash liquid pipe and the sewage pipe and using the backwash water to flush the filter material, and then the sewage is transported out using the sewage pipe. During the transportation, the sewage will flow back, making it impossible to backwash the filter tank. Utility Model Content

[0005] In order to solve the above problems existing in the prior art, the utility model provides a sewage stripping automatic backwashing filter, which has the characteristics of easy collection of pollutants and capable of reducing the backflow of sewage.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sewage stripping automatic backwashing filter, comprising an anti-backflow structure for blocking the backflow of sewage stripping, and a cleaning structure for cleaning impurities inside the filter, wherein a water outlet is installed on the outside of the anti-backflow structure, a pipe 1 is installed on the top of the water outlet, a cylinder is installed on the upper end of the pipe 1, and a cleaning structure is installed inside the cylinder; the anti-backflow structure comprises a round cover, a groove is opened inside the round cover, a fixing pipe is installed on the top of the round cover, a semicircular plate 2 and a semicircular plate 1 are installed in the middle part of the fixing pipe, a positioning block is installed in the middle part of the semicircular plate 2 and the semicircular plate 1, a rotating rod 1 is fixedly sleeved in the middle part of the positioning block, a spring is installed in the middle part of the rotating rod 1, and left and right opposite connecting rods are installed on the outside of the spring, and the outer side of the connecting rod is connected to the semicircular plate 2 and the semicircular plate 1.

[0007] As an optimal technical solution for an automatic backwash filter for sewage stripping of the utility model, the cleaning structure includes a motor, a rotating rod 2 is installed at the bottom of the motor, a ring is installed at the top periphery of the rotating rod 2, a filter screen is installed at the outside of the ring, a filter cartridge is provided at the bottom of the filter screen, fan blades are installed at the bottom periphery of the rotating rod, a rotating rod is provided at the upper end of the fan blade, a brush is provided at the outside of the rotating rod, and a connecting plate is installed at the bottom of the brush.

[0008] As a preferred technical solution for the automatic backwashing filter for wastewater stripping of the utility model, a gasket is installed on the outer circumference of the cylinder, and the gasket is used to reduce the shaking generated by the filter in the process of backwashing the wastewater to clean the filter.

[0009] As a preferred technical solution of the sewage stripping automatic backwashing filter of the utility model, a second pipe is installed on the top of the cylinder, a top cover is installed on the top of the second pipe, and a screen is installed on the inner top of the cylinder.

[0010] As a preferred technical solution of the sewage stripping automatic backwashing filter of the utility model, a motor is installed in the middle of the screen, and the motor is used to drive the rotating rod 2 to rotate when suspended matter, particulate matter and other impurities appear.

[0011] As a preferred technical solution of the sewage stripping automatic backwashing filter of the utility model, the bottom of the filter cartridge is provided with fan blades, and the fan blades are installed on the inner bottom of the cylinder.

[0012] As a preferred technical solution of the sewage stripping automatic backwashing filter of the utility model, the semicircular plate 2 and the semicircular plate 1 are both made of stainless steel, and the rotating rod 1 is made of a solid round iron column.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. When the utility model is in use, through the setting of the cleaning structure, after the sewage enters the interior of the filter, when impurities are precipitated, the motor is started to drive the rotating rod 2 to rotate, and the ring arranged on the outer periphery of the rotating rod 2 can reduce the impurities from entering the interior of the rotating rod 2. At the same time, after the rotating rod 2 rotates, the filter screen is driven to collect the debris on the outside. At the same time, the rotating rod 2 can drive the filter cartridge and the rotating rod to rotate the internal impurities to prevent the impurities in the water from precipitating. Then the impurities at the bottom will be adsorbed by the brushing of the filter cartridge, further reducing the phenomenon of excessive wastewater volume.

[0015] 2. When the utility model is in use, through the setting of the anti-backflow structure, when the water flow is filtered by the automatic backwash filter and transported through the water outlet, the round cover installed inside the water outlet can reduce the phenomenon of backflow during water flow transportation. When the water flow refluxes, it will impact the semicircular plate 2 and the semicircular plate 1. After the impact, support is provided by the spring in the middle of the rotating rod 1, and the rotating rod 1 is connected to the inner wall of the fixed pipe, so as to reduce the backflow of water flow. When transporting in the forward direction, the semicircular plate 1 and the semicircular plate 2 will be driven to compress the spring, so that the semicircular plate 1 and the semicircular plate 2 can be driven to be installed tightly together, thereby improving the backwashing efficiency and effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the side structure of the top cover of the utility model;

[0019] Figure 3 This is a schematic diagram of the top cover structure of the utility model from a top view;

[0020] Figure 4 This is a schematic diagram of the internal structure of the cleaning structure of the utility model;

[0021] Figure 5 This is a schematic diagram of the internal structure of the backflow prevention structure of the utility model;

[0022] Figure 6 for Figure 5 Schematic diagram of the structure at point A in the middle.

[0023] In the figure: 11, top cover; 12, screen; 13, water outlet; 14, cylinder; 15, pipe 1; 16, pipe 2; 17, gasket; 2, anti-backflow structure; 21, round cover; 22, groove; 23, semicircular plate 1; 24, fixed pipe; 25, rotating rod 1; 26, semicircular plate 2; 27, spring; 28, connecting rod; 29, positioning block; 3, cleaning structure; 31, motor; 32, filter; 33, rotating rod 2; 34, ring; 35, brush; 36, filter cartridge; 37, rotating rod; 38, fan blade; 39, connecting plate. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example

[0025] See also Figure 1-6 The utility model provides the following technical solutions: a sewage stripping automatic backwashing filter, comprising an anti-backflow structure 2 for blocking the backflow of sewage stripping, a cleaning structure 3 for cleaning impurities inside the filter, a water outlet 13 is installed on the outside of the anti-backflow structure 2, a pipe 15 is installed on the top of the water outlet 13, a cylinder 14 is installed on the upper end of the pipe 15, and the cleaning structure 3 is installed inside the cylinder 14; the anti-backflow structure 2 includes a round cover 21, and the round cover 21 has a A groove 22 is provided inside, a fixing tube 24 is installed on the top of the round cover 21, a semicircular plate 26 and a semicircular plate 1 23 are installed in the inner middle of the fixing tube 24, a positioning block 29 is installed in the middle of the semicircular plate 26 and the semicircular plate 1 23, a rotating rod 1 25 is fixedly sleeved in the middle of the positioning block 29, a spring 27 is installed in the middle of the rotating rod 1 25, and left and right opposite connecting rods 28 are installed on the outer side of the spring 27, and the outer side of the connecting rod 28 is connected to the semicircular plate 26 and the semicircular plate 1 23.

[0026] Specifically, through the setting of the anti-backflow structure 2, when the water flow is filtered by the automatic backwash filter and transported through the water outlet 13, the round cover 21 installed inside the water outlet 13 can reduce the phenomenon of backflow during water flow transportation. When the water flow refluxes, it will impact the semicircular plate 26 and the semicircular plate 1 23. After being impacted, support is provided by the spring 27 in the middle of the rotating rod 1 25, and the rotating rod 1 25 is connected to the inner wall of the fixed pipe 24, thereby reducing the backflow of water flow. During forward transportation, the semicircular plate 1 23 and the semicircular plate 2 26 will be driven to compress the spring 27, so that the semicircular plate 1 23 and the semicircular plate 2 26 can be driven to be tightly installed together, thereby improving the backwashing efficiency and effect.

[0027] The cleaning structure 3 includes a motor 31, a rotating rod 33 is installed at the bottom of the motor 31, a ring 34 is installed on the top periphery of the rotating rod 33, a filter screen 32 is installed on the outside of the ring 34, a filter cartridge 36 is arranged at the bottom of the filter screen 32, a fan blade 38 is installed on the bottom periphery of the rotating rod 33, a rotating rod 37 is arranged at the upper end of the fan blade 38, a brush 35 is arranged on the outside of the rotating rod 37, and a connecting plate 39 is installed at the bottom of the brush 35.

[0028] Specifically, through the setting of the cleaning structure 3, after the sewage enters the interior of the filter, when impurities precipitate, the motor 31 is started to drive the rotating rod 33 to rotate, and the ring 34 arranged on the outer periphery of the rotating rod 33 can reduce the impurities entering the interior of the rotating rod 33. At the same time, after the rotating rod 33 rotates, the filter screen 32 is driven to collect the debris on the outside. At the same time, the rotating rod 33 can drive the filter cartridge 36 and the rotating rod 37 to rotate the internal impurities to prevent the impurities in the water from precipitating. Then, the impurities at the bottom will be brushed by the filter cartridge 36 to adsorb the impurities, further reducing the phenomenon of excessive wastewater.

[0029] A gasket 17 is mounted on the outer circumference of the cylinder 14 to reduce the shaking caused by the filter backwashing mechanism to clean the filter.

[0030] Specifically, by using the gasket 17, some noise generated during use can be reduced.

[0031] A second pipe 16 is installed on the top of the cylinder 14 , a top cover 11 is installed on the top of the second pipe 16 , and a screen 12 is installed on the inner top of the cylinder 14 .

[0032] Specifically, the water flow can be filtered and screened by the screen 12 installed at the top of the cylinder 14.

[0033] A motor 31 is installed in the middle of the screen 12. The motor 31 is used to drive the second rotating rod 33 to rotate when suspended matter, particulate matter and other impurities appear.

[0034] Specifically, the motor 31 can provide rotational force for the rotation of the second rotating rod 33 thereof.

[0035] The bottom of the filter cartridge 36 is provided with a fan blade 38 , and the fan blade 38 is installed on the inner bottom of the cylinder 14 .

[0036] Specifically, the fan blades 38 are provided to drive the speed of the water flow.

[0037] The semicircular plate 26 and the semicircular plate 1 23 are both made of stainless steel, and the rotating rod 1 25 is made of a solid round iron column.

[0038] Specifically, stainless steel is not easily damaged, while solid flat iron has high hardness and is not easily damaged by impact.

[0039] Working principle and use process of the utility model: during the use of the utility model, first, after the sewage enters the interior of the filter, when impurities are precipitated, at this time, the motor 31 is started to drive the rotating rod 33 to rotate, and at the same time, the ring 34 arranged on the outer periphery of the rotating rod 33 can reduce the impurities from entering the interior of the rotating rod 33. At the same time, after the rotating rod 33 rotates, the filter screen 32 is driven to collect the debris on the outside. At the same time, the rotating rod 33 can drive the filter cartridge 36 and the rotating rod 37 to rotate the internal impurities to prevent the impurities in the water from precipitating. Then, the impurities at the bottom will be brushed by the filter cartridge 36 to adsorb the impurities, further reducing the phenomenon of excessive wastewater volume. For example, after the water flows through the automatic backwash filter and is transported through the water outlet 13, the round cover 21 installed inside the water outlet 13 can reduce the phenomenon of backflow during water transportation. When the water flows back, it will impact the semicircular plate 26 and the semicircular plate 1 23. After the impact, the spring 27 in the middle of the rotating rod 1 25 provides support, and the rotating rod 1 25 is connected to the inner wall of the fixed pipe 24, so as to reduce the backflow of water. When transporting in the forward direction, the semicircular plate 1 23 and the semicircular plate 2 26 will be driven to compress the spring 27, so that the semicircular plate 1 23 and the semicircular plate 2 26 can be driven to be tightly installed together, thereby improving the backwashing efficiency and effect.

[0040] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A sewage stripping automatic backwashing filter, comprising a backflow prevention structure (2) for blocking backflow of sewage stripping, and a cleaning structure (3) for cleaning impurities inside the filter, characterized in that: A water outlet (13) is installed on the outside of the backflow prevention structure (2), a pipe (15) is installed on the top of the water outlet (13), a cylinder (14) is installed on the upper end of the pipe (15), and a cleaning structure (3) is installed inside the cylinder (14); The anti-backflow structure (2) comprises a round cover (21), the inside of which is provided with a groove (22), a fixing tube (24) is installed on the top of the round cover (21), a semicircular plate 2 (26) and a semicircular plate 1 (23) are installed in the middle of the fixing tube (24), a positioning block (29) is installed in the middle of the semicircular plate 2 (26) and the semicircular plate 1 (23), a rotating rod 1 (25) is fixedly sleeved in the middle of the positioning block (29), a spring (27) is installed in the middle of the rotating rod 1 (25), and left and right opposite connecting rods (28) are installed on the outer side of the spring (27), and the outer side of the connecting rod (28) is connected to the semicircular plate 2 (26) and the semicircular plate 1 (23).

2. A sewage stripping automatic backwashing filter according to claim 1, characterized in that: The cleaning structure (3) comprises a motor (31), a rotating rod (33) is mounted at the bottom of the motor (31), a circular ring (34) is mounted on the top periphery of the rotating rod (33), a filter screen (32) is mounted on the outside of the circular ring (34), a filter cartridge (36) is arranged at the bottom of the filter screen (32), a fan blade (38) is mounted on the bottom periphery of the rotating rod (33), a rotating rod (37) is arranged at the upper end of the fan blade (38), a brush (35) is arranged on the outside of the rotating rod (37), and a connecting plate (39) is mounted at the bottom of the brush (35).

3. A sewage stripping automatic backwashing filter according to claim 1, characterized in that: A gasket (17) is installed on the outer circumference of the cylinder (14), and the gasket (17) is used to reduce the shaking generated during the process of backwashing the filter to clean the filter.

4. A sewage stripping automatic backwashing filter according to claim 3, characterized in that: A second pipe (16) is installed on the top of the cylinder (14), a top cover (11) is installed on the top of the second pipe (16), and a screen (12) is installed on the inner top of the cylinder (14).

5. A sewage stripping automatic backwashing filter according to claim 4, characterized in that: A motor (31) is installed in the middle of the screen (12), and the motor (31) is used to drive the second rotating rod (33) to rotate when suspended matter, particulate matter and impurities appear.

6. A sewage stripping automatic backwashing filter according to claim 2, characterized in that: The bottom of the filter cartridge (36) is provided with a fan blade (38), and the fan blade (38) is installed on the inner bottom of the cylinder (14).

7. The sewage stripping automatic backwashing filter according to claim 1, characterized in that: The semicircular plate 2 (26) and the semicircular plate 1 (23) are both made of stainless steel, and the rotating rod 1 (25) is made of a solid round iron column.

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