CN209752313U - Municipal administration sewage pretreatment device - Google Patents
Municipal administration sewage pretreatment device Download PDFInfo
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- CN209752313U CN209752313U CN201920305434.0U CN201920305434U CN209752313U CN 209752313 U CN209752313 U CN 209752313U CN 201920305434 U CN201920305434 U CN 201920305434U CN 209752313 U CN209752313 U CN 209752313U
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Abstract
The utility model discloses a municipal sewage pretreatment device, which comprises a shell, a spiral discharging device, a primary filtering device and a secondary filtering device; the first-stage filtering device and the second-stage filtering device are sequentially arranged in the shell from top to bottom, and divide the shell into a first-stage filtering cavity, a second-stage filtering cavity and a buffer cavity from top to bottom; the primary filter cavity is provided with a liquid inlet and a primary discharge hole, the secondary filter cavity is provided with a secondary discharge hole and a back flush hole, and the buffer cavity is provided with a liquid outlet; the spiral discharging device is arranged in the primary filtering device and is positioned right above the primary filtering device; the utility model discloses simple structure carries out stage filtration to floater and suspended solid in the domestic sewage through twice filtration, not only can alleviate filter equipment's load effectively to it is more high-efficient to make to filter.
Description
Technical Field
the utility model relates to a municipal administration sewage treatment plant technical field, concretely relates to municipal administration sewage pretreatment device.
background
municipal sewage comprises domestic sewage, industrial sewage, runoff sewage and the like, and is collected by a municipal drainage pipe network and conveyed to a sewage treatment plant for treatment. Along with the development of urbanization, the sewage quantity of domestic sewage is increasing day by day, and the treatment of municipal sewage becomes more serious problem of municipal sewage treatment.
The domestic sewage has more floaters and suspended matters, and the whole sewage treatment effect can be seriously influenced if the domestic sewage is not treated properly. In the prior art, the devices for pretreating domestic sewage are complex in structure and high in cost; and when the method is applied, the practicability is low, and the method is not suitable for large-scale popularization.
SUMMERY OF THE UTILITY MODEL
To the problem that exists, the utility model provides a higher municipal sewage pretreatment device of practicality.
The technical scheme of the utility model is that: a municipal sewage pretreatment device comprises a shell, a spiral discharging device, a primary filtering device and a secondary filtering device;
The first-stage filtering device and the second-stage filtering device are sequentially arranged in the shell from top to bottom, and divide the shell into a first-stage filtering cavity, a second-stage filtering cavity and a buffer cavity from top to bottom; the primary filter cavity is provided with a liquid inlet and a primary discharge hole, the secondary filter cavity is provided with a secondary discharge hole and a back flushing hole, and the buffer cavity is provided with a liquid outlet; valves are arranged on the first-stage discharge port, the liquid inlet, the second-stage discharge port, the back flushing port and the liquid outlet;
The spiral discharging device is arranged in the primary filtering device and is positioned right above the primary filtering device; the spiral discharging device comprises a rotating shaft and a plurality of propellers, and the propellers are uniformly arranged on the rotating shaft; a power device is arranged on the outer side of the inner wall of the primary filtering device, the power device adopts a crank, and the crank provides power for the rotating shaft;
The filtering pore diameter of the primary filtering device is larger than that of the secondary filtering device; the domestic sewage is rich in floating objects and suspended matters, wherein the domestic sewage is not only provided with large sundries with the same volume as domestic garbage, but also is provided with small pollutants with the same volume as dust and sludge, and the domestic sewage is filtered in batches, so that the domestic sewage is more efficient.
Furthermore, the primary filtering device comprises a supporting frame, a primary filtering net and a primary adjusting net; the primary filter screen is arranged in the support frame, the primary adjusting screen is movably arranged in the support frame, an adjusting rod is arranged on the primary adjusting screen, and the primary adjusting screen adjusts and controls the superposed aperture of the filtering hole of the primary adjusting screen and the filtering hole of the primary filter screen through the adjusting rod; the filtering pore diameter of the primary filtering device can be effectively adjusted according to the actual domestic sewage condition, and the filtering load of the secondary filtering device is indirectly reduced.
Furthermore, a protective shell is movably arranged on the side wall of the shell and is positioned at the power device; the protective shell is opened when the protective shell is used, and is closed when the protective shell is not used, so that the power device can be effectively protected, and the power device is prevented from being damaged due to external interference.
The shell further comprises a device cavity, a power supply device and a water tank are arranged in the device cavity, a water pump is arranged in the water tank and connected with a back flushing opening, a valve on the back flushing opening adopts an electromagnetic valve, the power supply device supplies power to the water pump and the electromagnetic valve, a switch keyboard is arranged on the upper surface of the device cavity and comprises a power switch, a water pump switch and an electromagnetic valve switch, and the power switch, the water pump switch and the electromagnetic valve switch are respectively connected with the power supply device, the water pump and the electromagnetic valve; the backwashing is more convenient.
Furthermore, the power device adopts a motor, the power device provides power for the motor, the switch keyboard further comprises a motor switch, and the motor switch is connected with the motor; the work load of the staff in the later period can be greatly reduced.
Further, the secondary filtering device is obliquely arranged inside the shell, and the inclination angle is 45 degrees; when the secondary filter cavity is backwashed, the filtered substances can be discharged from the secondary discharge hole more efficiently.
Compared with the prior art, the utility model discloses beneficial effect: the utility model has simple structure, and can not only effectively reduce the load of the filtering device, but also make the filtering more efficient by filtering the floaters and suspended matters in the domestic sewage in a grading way through twice filtering; in addition, the spiral discharging device and the back washing port can be used for cleaning the filter periodically, so that the practicability is higher, and the device is suitable for popularization in a large scale.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
Fig. 2 is a front longitudinal sectional view of embodiment 1 of the present invention;
fig. 3 is a right longitudinal sectional view of embodiment 1 of the present invention;
Fig. 4 is a schematic structural diagram of embodiment 2 of the present invention;
Fig. 5 is a longitudinal sectional view of embodiment 2 of the present invention;
FIG. 6 is a schematic structural view of the primary filtering device of the present invention;
fig. 7 is a longitudinal sectional view of a primary filter device according to an embodiment of the present invention;
the device comprises a shell 1, a shell 11, a primary filter cavity, a primary discharge hole 110, a primary liquid inlet 111, a protective shell 112, a secondary filter cavity 12, a secondary discharge hole 120, a back flush port 121, a buffer cavity 13, a liquid outlet 130, a device cavity 14, a switch keyboard 141, a spiral discharge device 2, a power device 21, a primary filter device 3, a support frame 31, a primary filter screen 32, a primary adjusting net 33, a primary adjusting net 330, a secondary filter device 4, a power device 5, a water tank 6 and a water pump 61.
Detailed Description
Example 1: a municipal sewage pretreatment device as shown in fig. 1, 2 and 3, comprising a shell 1, a spiral discharging device 2, a primary filtering device 3 and a secondary filtering device 4;
The primary filtering device 3 and the secondary filtering device 4 are sequentially arranged in the shell 1 from top to bottom, and the shell 1 is divided into a primary filtering cavity 11, a secondary filtering cavity 12 and a buffer cavity 13 from top to bottom by the primary filtering device 3 and the secondary filtering device 4; a liquid inlet 111 and a primary discharge port 110 are arranged on the primary filter cavity 11, a secondary discharge port 120 and a back flush port 121 are arranged on the secondary filter cavity 12, and a liquid outlet 130 is arranged on the buffer cavity 13; valves are arranged on the first-stage discharge port 110, the liquid inlet 111, the second-stage discharge port 120, the back flushing port 121 and the liquid outlet 130; the liquid inlet 111 and the liquid outlet 130 are respectively connected with a sewage pipeline, and water flow of the sewage pipeline flows in from the liquid inlet 111 and flows out from the liquid outlet 130;
The spiral discharging device 2 is arranged inside the primary filtering device 3 and is positioned right above the primary filtering device 3; the spiral discharging device 2 comprises a rotating shaft and a plurality of propellers, and the propellers are uniformly arranged on the rotating shaft; a power device 21 is arranged on the outer side of the inner wall of the primary filtering device 3, the power device 21 adopts a crank, and the crank provides power for the rotating shaft;
As shown in fig. 6 and 7, the primary filtering device 3 includes a supporting frame 31, a primary filtering net 32 and a primary adjusting net 33; the primary filter screen 32 is arranged in the support frame 31, the primary adjusting screen 33 is movably arranged in the support frame 31, the primary adjusting screen 33 is provided with an adjusting rod 330, and the primary adjusting screen 33 adjusts and controls the superposed aperture of the filtering hole of the primary adjusting screen 33 and the filtering hole of the primary filter screen 32 through the adjusting rod 330; the adjusting rod 330 penetrates the shell 1 and is positioned right in front of the power device 21; a protective shell 112 is movably arranged on the side wall of the shell 1, and the protective shell 112 is positioned at the power device 21 and used for protecting the crank and the adjusting rod 330; and the filter pore diameters of the first-stage filter screen 32 and the first-stage adjusting screen 33 are larger than the filter pore diameter of the second-stage filter device 4.
Wherein, the secondary filter device 4 is obliquely arranged inside the shell 1, and the inclination angle is 45 degrees.
when in use, the valves at the first-stage discharge port 110, the second-stage discharge port 120 and the back flushing port 121 are ensured to be closed, and the valves at the liquid inlet 111 and the liquid outlet 130 are opened; the water flow of the sewage pipeline flows in from the liquid inlet 111, and then flows out from the liquid outlet 130 after being filtered by the primary filtering device 3 and the secondary filtering device 4; the filtering aperture of the primary filtering device 3 is determined according to the amount of the impurities floating in the actual domestic sewage, the primary adjusting net 33 can be adjusted by adjusting the position of the adjusting rod 330, and the overlapping aperture of the filtering holes of the primary adjusting net 33 and the filtering holes of the primary filtering net 32, namely the filtering aperture of the primary filtering device 3, is further determined; the valves of the liquid inlet 111 and the liquid outlet 130 are closed periodically, then the valve of the first-stage discharge port 110 is opened, and the crank rotates the spiral discharge device to clean the filtered materials in the first-stage filter cavity 11; the valves of the liquid inlet 111 and the liquid outlet 130 are periodically closed, then an external water source is connected to the back flushing port 121, and then the valves of the secondary discharge port 120 and the back flushing port 121 are opened to clean the filtered substances in the secondary filtering cavity 12.
example 2: as shown in fig. 4 and 5, the municipal sewage pretreatment device comprises a shell 1, a spiral discharging device 2, a primary filtering device 3 and a secondary filtering device 4;
The first-stage filtering device 3 and the second-stage filtering device 4 are sequentially arranged at the right end in the shell 1 from top to bottom, and the first-stage filtering device 3 and the second-stage filtering device 4 divide the right end of the shell 1 into a first-stage filtering cavity 11, a second-stage filtering cavity 12 and a buffer cavity 13 from top to bottom; the housing 1 further comprises a device cavity 14, the device cavity 14 being located at the left end of the housing 1;
a liquid inlet 111 and a primary discharge port 110 are arranged on the primary filter cavity 11, a secondary discharge port 120 and a back flush port 121 are arranged on the secondary filter cavity 12, and a liquid outlet 130 is arranged on the buffer cavity 13; valves are arranged on the first-stage discharge port 110, the second-stage discharge port 120 and the back flushing port 121;
The spiral discharging device 2 is arranged inside the primary filtering device 3 and is positioned right above the primary filtering device 3; the spiral discharging device 2 comprises a rotating shaft and a plurality of propellers, and the propellers are uniformly arranged on the rotating shaft; a power device 21 is arranged on the outer side of the inner wall of the primary filtering device 3, and the power device 21 adopts a motor which provides power for a rotating shaft;
as shown in fig. 6 and 7, the primary filtering device 3 includes a supporting frame 31, a primary filtering net 32 and a primary adjusting net 33; the primary filter screen 32 is arranged in the support frame 31, the primary adjusting screen 33 is movably arranged in the support frame 31, the primary adjusting screen 33 is provided with an adjusting rod 330, and the primary adjusting screen 33 adjusts and controls the superposed aperture of the filtering hole of the primary adjusting screen 33 and the filtering hole of the primary filter screen 32 through the adjusting rod 330; the adjusting rod 330 penetrates through the shell 1 and is positioned outside the leftmost side wall of the shell 1; the filter pore diameters of the first-stage filter screen 32 and the first-stage adjusting screen 33 are larger than the filter pore diameter of the second-stage filter device 4;
the power supply device 5 and the water tank 6 are arranged in the device cavity 14, the water pump 61 is arranged in the water tank 6, the water pump 61 is connected with the back washing opening 121, a valve on the back washing opening 121 is an electromagnetic valve, the power supply device 5 supplies power for the water pump 61, the electromagnetic valve and the motor, the switch keyboard 141 is arranged on the upper surface of the device cavity 14, the switch keyboard 141 comprises a power switch, a water pump switch, an electromagnetic valve switch and a motor switch, and the power switch, the water pump switch, the electromagnetic valve switch and the motor switch are respectively connected with the power supply device 5, the water pump 61, the electromagnetic valve and.
Wherein, the secondary filter device 4 is obliquely arranged inside the shell 1, and the inclination angle is 45 degrees.
when in use, the valves at the first-stage discharge port 110, the second-stage discharge port 120 and the back flushing port 121 are ensured to be closed, and the valves at the liquid inlet 111 and the liquid outlet 130 are opened; the water flow of the sewage pipeline flows in from the liquid inlet 111, and then flows out from the liquid outlet 130 after being filtered by the primary filtering device 3 and the secondary filtering device 4; the filtering aperture of the primary filtering device 3 is determined according to the amount of the impurities floating in the actual domestic sewage, the primary adjusting net 33 can be adjusted by adjusting the position of the adjusting rod 330, and the overlapping aperture of the filtering holes of the primary adjusting net 33 and the filtering holes of the primary filtering net 32, namely the filtering aperture of the primary filtering device 3, is further determined; the valves of the liquid inlet 111 and the liquid outlet 130 are closed periodically, then the valve of the first-stage discharge port 110 is opened, and the motor drives the rotary spiral discharge device to clean the filtered materials in the first-stage filter cavity 11; the valves of the liquid inlet 111 and the liquid outlet 130 are periodically closed, then the water pump 61 is opened, and the valves of the secondary discharge port 120 and the back flushing port 121 are opened to clean the filtered substances in the secondary filtering cavity 12.
finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.
Claims (6)
1. A municipal sewage pretreatment device is characterized by comprising a shell (1), a spiral discharging device (2), a primary filtering device (3) and a secondary filtering device (4);
the primary filtering device (3) and the secondary filtering device (4) are sequentially arranged in the shell (1) from top to bottom, and the shell (1) is divided into a primary filtering cavity (11), a secondary filtering cavity (12) and a buffer cavity (13) from top to bottom by the primary filtering device (3) and the secondary filtering device (4); a liquid inlet (111) and a primary discharge port (110) are arranged on the primary filtering cavity (11), a secondary discharge port (120) and a back flushing port (121) are arranged on the secondary filtering cavity (12), and a liquid outlet (130) is arranged on the buffer cavity (13); valves are arranged on the first-stage discharge hole (110), the liquid inlet (111), the second-stage discharge hole (120), the back flushing hole (121) and the liquid outlet (130);
the spiral discharging device (2) is arranged inside the primary filtering device (3) and is positioned right above the primary filtering device (3); the spiral discharging device (2) comprises a rotating shaft and a plurality of propellers, and the propellers are uniformly arranged on the rotating shaft; a power device (21) is arranged on the outer side of the inner wall of the primary filtering device (3), the power device (21) adopts a crank, and the crank provides power for the rotating shaft.
2. The municipal wastewater pretreatment device according to claim 1, wherein the primary filtration device (3) comprises a support frame (31), a primary filter screen (32), and a primary adjusting screen (33); the primary filter screen (32) is arranged inside the support frame (31), the primary adjusting net (33) is movably arranged inside the support frame (31), the primary adjusting net (33) is provided with an adjusting rod (330), and the primary adjusting net (33) adjusts and controls the overlapping aperture of the filtering hole of the primary adjusting net (33) and the filtering hole of the primary filter screen (32) through the adjusting rod (330).
3. The municipal sewage pretreatment device according to claim 1, wherein a protective shell (112) is movably disposed on the side wall of the housing (1), and the protective shell (112) is located at the power device (21).
4. The municipal sewage pretreatment device according to claim 1, wherein the housing (1) further comprises a device cavity (14), the device cavity (14) is internally provided with a power supply device (5) and a water tank (6), the water tank (6) is internally provided with a water pump (61), the water pump (61) is connected with the backwashing port (121), a valve on the backwashing port (121) adopts a solenoid valve, the power supply device (5) supplies power to the water pump (61) and the solenoid valve, the upper surface of the device cavity (14) is provided with a switch keyboard (141), the switch keyboard (141) comprises a power switch, a water pump switch and a solenoid valve switch, and the power switch, the water pump switch and the solenoid valve switch are respectively connected with the power supply device (5), the water pump (61) and the solenoid valve.
5. The municipal sewage treatment apparatus according to claim 4, wherein the power means (21) comprises a motor, the power means (5) supplies power to the motor, and the switch keyboard (141) further comprises a motor switch connected to the motor.
6. The municipal sewage pretreatment device according to claim 1, wherein the secondary filtration device (4) is disposed inside the housing (1) at an angle of 45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920305434.0U CN209752313U (en) | 2019-03-12 | 2019-03-12 | Municipal administration sewage pretreatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920305434.0U CN209752313U (en) | 2019-03-12 | 2019-03-12 | Municipal administration sewage pretreatment device |
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| Publication Number | Publication Date |
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| CN209752313U true CN209752313U (en) | 2019-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920305434.0U Active CN209752313U (en) | 2019-03-12 | 2019-03-12 | Municipal administration sewage pretreatment device |
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| CN (1) | CN209752313U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215487A (en) * | 2021-12-17 | 2022-03-22 | 山东唐口煤业有限公司 | Sand filtering and draining device for well wall drilling |
-
2019
- 2019-03-12 CN CN201920305434.0U patent/CN209752313U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215487A (en) * | 2021-12-17 | 2022-03-22 | 山东唐口煤业有限公司 | Sand filtering and draining device for well wall drilling |
| CN114215487B (en) * | 2021-12-17 | 2024-01-12 | 山东唐口煤业有限公司 | Sand filtering and draining device for borehole wall drilling |
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