CN218076856U - Sewage pretreatment tank for sewage plant - Google Patents
Sewage pretreatment tank for sewage plant Download PDFInfo
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- CN218076856U CN218076856U CN202222003248.6U CN202222003248U CN218076856U CN 218076856 U CN218076856 U CN 218076856U CN 202222003248 U CN202222003248 U CN 202222003248U CN 218076856 U CN218076856 U CN 218076856U
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Abstract
The utility model discloses a sewage pretreatment tank for sewage plants, which belongs to the technical field of sewage treatment and comprises a tank body, a first filtering component, a second filtering component and a pumping component; the tank body comprises a water inlet pipe and a sedimentation tank which are communicated with each other; the first filtering component comprises a filtering net and a filtering guide; the second filtering component comprises a sand screen plate and an outflow opening, and the sand screen plate is obliquely arranged on the inner wall of the water inlet pipe; the lower end of the outflow port corresponding to the sand grain screen plate is arranged on the side wall of the water inlet pipe; the water pumping assembly comprises a water drainage pipe and a water pump. The utility model realizes multiple filtration in a small space by arranging the first filtering component and the second filtering component in the water inlet pipe at intervals up and down, thereby improving the filtering effect; the sludge discharge assembly is arranged at the bottom of the sedimentation tank, so that the settled sludge is taken out, and the subsequent cleaning is facilitated; reasonable in design, the design is ingenious, can integrate quick get rid of impurity, grains of sand and sediment mud.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment, in particular to sewage pretreatment pond for sewage plant.
Background
The contaminated water is very contaminated with impurities (such as suspended particles and silt) and if the contaminated water flows directly into the sewage treatment apparatus, it is damaged.
Generally sewage is before carrying out microbial purification, need carry out preliminary treatment earlier, sewage pretreatment's main objective is in order to get rid of impurity and deposit silt, sewage treatment plant generally adopts the preliminary treatment pond to carry out preliminary treatment to sewage, get rid of the floater with filter screen earlier, then carry out the natural sedimentation to sewage again, make silt sink to the bottom of the pool, then the water on discharge pond upper portion, the silt at the bottom of the final cleaning pool again, whole process procedure is more, it is consuming time longer, the efficiency of preliminary treatment is lower, and equipment is more, it is great to take up an area of the space.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sewage treatment pond for sewage plant to it is more to solve sewage pretreatment process in the above-mentioned background art, and is consuming time longer, and the efficiency of preliminary treatment is lower, and equipment is more moreover, takes up an area of the great problem in space.
In order to achieve the above object, the utility model provides a following technical scheme:
a sewage pretreatment pool for a sewage plant comprises a pool body, a first filtering component, a second filtering component and a water pumping component, wherein the first filtering component, the second filtering component and the water pumping component are sequentially arranged in the pool body from top to bottom;
the tank body comprises a water inlet pipe and a sedimentation tank which are communicated with each other;
the first filtering component comprises a filtering net and a filtering conduit, wherein the filtering net is arranged on the inner wall of the water inlet pipe, and a reserved opening is formed in the filtering net; the filter conduit is connected with the filter screen corresponding to the reserved opening, and the bottom end of the filter conduit extends out of the tank body;
the second filtering component comprises a sand screen plate and an outflow opening, and the sand screen plate is obliquely arranged on the inner wall of the water inlet pipe; the lower end of the outflow port corresponding to the sand grain screen plate is arranged on the side wall of the water inlet pipe;
the water pumping assembly comprises a water drainage pipe and a water pump, the bottom end of the water drainage pipe is positioned in the sedimentation tank, and the top end of the water drainage pipe extends out of the tank body; the water pump is arranged on the drain pipe.
Further, the sludge discharging device comprises a sludge discharging assembly, wherein the sludge discharging assembly comprises a fixed cylinder, a screw rod and a driving motor; the bottom end of the fixed cylinder is positioned at the bottom of the sedimentation tank, the top end of the fixed cylinder extends out of the tank body, and a drain outlet is formed in the cylinder body positioned outside the tank body; the screw rod is rotationally arranged in the fixed cylinder; and the power output end of the driving motor is connected with the screw rod.
Further, the first filter assembly further comprises a vibrating piece, and the vibrating piece comprises a fixing plate, a fixing rod and a spring; the fixing plate is fixedly arranged on the inner wall of the water inlet pipe; the fixed rod is inserted at the end part of the filter screen, and both the top and bottom ends of the fixed rod are connected with the fixed plate; the springs are arranged in two and are respectively sleeved on the fixing rods positioned on the upper side and the lower side of the filter screen.
Furthermore, a first collecting box is arranged on the outer wall of the water inlet pipe, is positioned below the outflow port and is arranged corresponding to the bottom end of the filtering conduit.
Furthermore, a sliding groove is formed in the side wall of the water inlet pipe and above the corresponding outflow opening, a baffle is arranged in the sliding groove in a sliding mode, and a handle is arranged on the baffle.
Furthermore, a drain pipe is arranged at the position, corresponding to the drain outlet, of the fixed cylinder, and the drain pipe is vertically arranged.
Furthermore, a second collecting box is arranged on the outer wall of the sedimentation tank and is positioned below the sewage discharge pipe.
Furthermore, the water inlet pipe is vertically arranged at the top of the sedimentation tank, and the cross section of the water inlet pipe is rectangular; the bottom of the sedimentation tank is arranged in an inverted cone shape.
Furthermore, the filter screen is the reverse cone type setting, reserve mouthful setting in the central point of filter screen and put.
The utility model discloses following beneficial effect has:
1. the utility model provides a pair of sewage pretreatment pond for sewage plant sets up first filtering component and second filtering component through the interval from top to bottom in the inlet pipe, realizes the multiple filtration in little space, and saving equipment occupation space promotes the filter effect.
2. The utility model provides a pair of sewage plant is with preliminary treatment pond of sewage through set up mud discharge assembly bottom the sedimentation tank, takes out the mud that will precipitate, the follow-up clearance of being convenient for, labour saving and time saving.
3. The utility model provides a pair of sewage pretreatment pond for sewage plant through setting up the vibrating piece, when sewage strikes the filter screen, the filter screen can vibrate from top to bottom along the dead lever, and then makes debris enter into the filter tube more fast, promotes the filter effect, simultaneously, effectively prevents the reservation mouth jam of filter screen.
4. The utility model provides a pair of sewage pretreatment pond for sewage plant, reasonable in design thinks about ingeniously, can realize the preliminary treatment of sewage in little space, but impurity, grains of sand and sediment mud are got rid of fast in integration, and the occupation of land space is few.
Drawings
FIG. 1 is a schematic view of the overall structure of a pretreatment tank according to the present invention;
FIG. 2 is a schematic view of the internal structure of the pretreatment tank according to the present invention;
FIG. 3 is a schematic view of a portion of the enlarged structure at A in FIG. 2;
FIG. 4 is a schematic view of a portion of the enlarged structure at B in FIG. 2;
fig. 5 is a partially enlarged structural view at C in fig. 2.
In the figure: 1-a tank body, 11-a water inlet pipe, 12-a sedimentation tank, 2-a first filtering component, 21-a filter screen, 22-a filtering conduit, 23-a vibrating part, 24-a first collecting box, 3-a second filtering component, 31-a sand grain screen plate, 32-an outflow port, 33-a baffle, 34-a chute, 4-a sludge discharging component, 41-a fixed cylinder, 42-a screw rod, 43-a driving motor, 44-a sewage discharge pipe, 45-a second collecting box, 5-a water pumping component, 51-a water pump and 52-a water discharge pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
As shown in fig. 1 and 2, the sewage pretreatment tank for sewage plants provided by the present invention comprises a tank body 1, a first filtering component 2, a second filtering component 3, a sludge discharging component 4 and a water pumping component 5; the tank body 1 comprises a water inlet pipe 11 and a sedimentation tank 12 which are communicated with each other; first filtering component 2 and 3 top-down intervals in proper order of second filtering component set up in inlet tube 11, carry out multiple filtration to sewage. The first filtering component 2 comprises a filtering net 21 and a filtering conduit 22, wherein the filtering net 21 is arranged on the inner wall of the water inlet pipe 11, and a reserved opening is formed in the filtering net 21; the filtering conduit 22 is arranged at the bottom of the reserved opening of the filtering screen 21, the top end of the filtering conduit is connected with the filtering screen 21, and the bottom end of the filtering conduit extends out of the tank body 1; larger impurities in the sewage are intercepted by the filter screen 21 and flow out of the tank body 1 through the filtering conduit 22; the second filter assembly 3 comprises a sand screen plate 31 and an outflow opening 32, wherein the sand screen plate 31 is obliquely arranged on the inner wall of the water inlet pipe 11; the outflow port 32 is arranged on the side wall of the water inlet pipe 11 and is arranged corresponding to the lower end of the sand grain screen plate 31; the impurities filtered by the first filtering component 2 are discharged from the outflow opening 32 along the sand grain screen plate 31, and the sewage impurities are further filtered; as shown in fig. 5, the sludge discharging assembly 4 is arranged at the bottom of the sedimentation tank 12 and comprises a fixed cylinder 41, a screw rod 42, a driving motor 43 and a sewage discharging pipe 44, wherein the bottom end of the fixed cylinder 41 is arranged at the bottom of the sedimentation tank 12 and is opened, the top end of the fixed cylinder extends out of the tank body 1 and is provided with a top plate, and a sewage discharging port is formed in a cylinder body arranged outside the tank body 1; the screw rod 42 is rotatably arranged in the fixed cylinder 41 along the length direction of the fixed cylinder 41; the power output end of the driving motor 43 is connected with the screw rod 42; the sewage discharge pipe 44 is arranged on the fixed cylinder 41 outside the tank body 1 corresponding to the sewage discharge port; the driving motor 43 drives the screw rod 42 to rotate, so that the sludge in the sedimentation tank 12 is taken out along the fixed cylinder 41 and the sewage discharge pipe 44; the water pumping assembly 5 comprises a water pump 51 and a water drainage pipe 52, the bottom end of the water drainage pipe 52 is positioned in the sedimentation tank 12, and the top end of the water drainage pipe extends out of the tank body 1; the water pump 51 is arranged on the drain pipe 52 and communicated with the drain pipe 52; the water pump 51 in the sedimentation tank 12 is discharged by the water pump 51 and is conveyed to the sewage treatment process of the next stage through the water discharge pipe 52.
The water inlet pipe 11 is vertically arranged at the top of the sedimentation tank 12, and the cross section of the water inlet pipe is rectangular; the bottom of the sedimentation tank 12 is arranged in an inverted cone shape, so that sludge is collected at the central position of the bottom of the sedimentation tank 12, and subsequent sludge is convenient to discharge.
The filter screen 21 is arranged in an inverted cone shape, and the reserved opening is arranged in the center of the filter screen 21.
The first filter assembly 2 further comprises a vibrating member 23 and a first collection tank 24; as shown in fig. 3, the vibrating member 23 includes a fixing plate, a fixing rod and a spring, the fixing plate is fixed on the inner wall of the water inlet pipe 11; the fixed rod is inserted at the end part of the filter screen 21, and both the top and bottom ends of the fixed rod are connected with the fixed plate; two springs are arranged and are respectively sleeved on the fixed rods positioned at the upper side and the lower side of the filter screen 21; vibrating member 23 sets up along filter screen 21's circumference interval, and when sewage struck filter screen 21, filter screen 21 can vibrate from top to bottom along the dead lever, and then makes debris enter into filter conduit 22 more fast, simultaneously, effectively prevents filter screen 21's reservation mouth jam. The first collecting tank 24 is provided on the outer wall of the inlet pipe 11 with its top opened and is provided corresponding to the bottom end of the filtering guide pipe 22 to collect the foreign substances discharged from the filtering guide pipe 22.
As shown in fig. 4, a chute 34 is provided on the side wall of the inlet pipe 11 above the corresponding outlet 32, a baffle 33 is slidably provided in the chute 34, a handle is provided on the baffle 33, when the impurities on the sand screen 31 accumulate, the baffle 33 is slid upward, so that the baffle 33 is positioned in the chute 34, the outlet 32 is opened, and the impurities are discharged; when the sand screen 31 has less impurities, the baffle 33 is slid downwards, so that the baffle 33 blocks the outlet 32, the outlet 32 is closed, and the sewage is prevented from splashing out of the outlet 32. The outflow port 32 is arranged on the top of the first collection tank 24, so that the impurities filtered by the sand screen 31 enter the first collection tank 24 for subsequent cleaning.
The bottom end of the fixed cylinder 41 is located at the bottom center of the sedimentation tank 12, the driving motor 43 is arranged on the top plate of the fixed cylinder 41, and the protection cover is arranged outside. The blow-off pipe 44 is vertically arranged, and the top end is communicated with the fixed cylinder 41. The sludge discharge assembly 4 further comprises a second collecting box 45, wherein the second collecting box 45 is arranged on the outer wall of the sedimentation tank 12 and is positioned below the pipe orifice of the sewage discharge pipe 44, so that sludge at the bottom of the sedimentation tank 12 can be conveniently collected.
The bottom end of the drain pipe 52 is located at the top within the settling tank 12.
The working principle is as follows: sewage enters from the water inlet pipe 11, the large-volume impurities are intercepted by the filter screen 21, the impurities intercepted by the filter screen 21 enter the filter conduit 22 at the bottom of the filter screen 21, flow out along the filter conduit 22 and enter the first collection box 24; the filtered sewage flows downwards through the filter screen 21 and passes through the sand grain screen plate 31 to further block impurities in the sewage, the blocked sand flows to the bottom end of the sand grain screen plate 31 along the sand grain screen plate 31, when the sewage needs to be cleaned, the baffle 33 slides upwards to be positioned in the chute 34, the outflow port 32 is opened, and the impurities flow into the first collecting box 24 along the outflow port 32; when the sand screen plate 31 has less impurities, the baffle plate 33 is slid downwards, so that the baffle plate 33 shields the outlet 32, the outlet 32 is closed, and sewage is prevented from splashing out of the outlet 32; the sewage continuously flows downwards to enter the sedimentation tank 12 for standing sedimentation, the sludge is separated from the sewage, the water pump 51 is started to pump the sewage out of the sedimentation tank 12, when the sludge at the bottom of the sedimentation tank 12 is accumulated, the driving motor 43 is started to drive the screw rod 42 to rotate, and the sludge at the bottom of the sedimentation tank 12 is discharged into the second collection tank 45 along the fixed cylinder 41 and the sludge discharge pipe 44.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions on some technical features, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of the present invention.
Claims (9)
1. The utility model provides a sewage pretreatment pond for sewage plant which characterized in that: the device comprises a tank body (1), a first filtering component (2), a second filtering component (3) and a water pumping component (5), wherein the first filtering component (2), the second filtering component (3) and the water pumping component (5) are sequentially arranged in the tank body (1) from top to bottom;
the tank body (1) comprises a water inlet pipe (11) and a sedimentation tank (12) which are communicated with each other;
the first filtering component (2) comprises a filtering net (21) and a filtering conduit (22), wherein the filtering net (21) is arranged on the inner wall of the water inlet pipe (11), and a reserved opening is formed in the filtering net; the filtering conduit (22) is connected with the filter screen (21) corresponding to the reserved opening, and the bottom end of the filtering conduit extends out of the tank body (1);
the second filter assembly (3) comprises a sand screen plate (31) and an outflow opening (32), and the sand screen plate (31) is obliquely arranged on the inner wall of the water inlet pipe (11); the lower end of the outflow opening (32) corresponding to the sand grain screen plate (31) is arranged on the side wall of the water inlet pipe (11);
the water pumping assembly (5) comprises a water drainage pipe (52) and a water pump (51), the bottom end of the water drainage pipe (52) is positioned in the sedimentation tank (12), and the top end of the water drainage pipe extends out of the tank body (1); the water pump (51) is arranged on the water drain pipe (52).
2. The sewage pretreatment tank for sewage plants according to claim 1, wherein: the sludge discharging device is characterized by further comprising a sludge discharging assembly (4), wherein the sludge discharging assembly (4) comprises a fixed cylinder (41), a screw rod (42) and a driving motor (43); the bottom end of the fixed cylinder (41) is positioned at the bottom of the sedimentation tank (12), the top end of the fixed cylinder extends out of the tank body (1), and a sewage discharge outlet is formed in a cylinder body positioned outside the tank body (1); the screw rod (42) is rotationally arranged in the fixed cylinder (41); the power output end of the driving motor (43) is connected with the screw rod (42).
3. The sewage pretreatment tank for sewage plants according to claim 1, wherein: the first filter assembly (2) further comprises a vibrating piece (23), and the vibrating piece (23) comprises a fixing plate, a fixing rod and a spring; the fixing plate is fixedly arranged on the inner wall of the water inlet pipe (11); the fixed rod is inserted at the end part of the filter screen (21), and both the top and bottom ends of the fixed rod are connected with the fixed plate; the two springs are respectively sleeved on the fixing rods positioned on the upper side and the lower side of the filter screen (21).
4. The sewage pretreatment tank for the sewage plant according to claim 1, wherein: the outer wall of the water inlet pipe (11) is provided with a first collecting box (24), and the first collecting box (24) is positioned below the outflow port (32) and is arranged corresponding to the bottom end of the filtering guide pipe (22).
5. The sewage pretreatment tank for sewage plants according to claim 1, wherein: a sliding groove (34) is formed in the side wall of the water inlet pipe (11) and above the corresponding outflow opening (32), a baffle (33) is arranged in the sliding groove (34) in a sliding mode, and a handle is arranged on the baffle (33).
6. The sewage pretreatment tank for sewage plants according to claim 2, wherein: and a sewage discharge pipe (44) is arranged at the position of the fixed cylinder (41) corresponding to the sewage discharge port, and the sewage discharge pipe (44) is vertically arranged.
7. The sewage pretreatment tank for the sewage plant according to claim 6, wherein: the sedimentation tank is characterized in that a second collecting box (45) is arranged on the outer wall of the sedimentation tank (12), and the second collecting box (45) is located below the sewage discharge pipe (44).
8. The sewage pretreatment tank for sewage plants according to claim 1, wherein: the water inlet pipe (11) is vertically arranged at the top of the sedimentation tank (12), and the cross section of the water inlet pipe is rectangular; the bottom of the sedimentation tank (12) is arranged in an inverted cone shape.
9. The sewage pretreatment tank for the sewage plant according to claim 1, wherein: the filter screen (21) is arranged in an inverted cone shape, and the reserved opening is formed in the center of the filter screen (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222003248.6U CN218076856U (en) | 2022-08-01 | 2022-08-01 | Sewage pretreatment tank for sewage plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222003248.6U CN218076856U (en) | 2022-08-01 | 2022-08-01 | Sewage pretreatment tank for sewage plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218076856U true CN218076856U (en) | 2022-12-20 |
Family
ID=84484484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222003248.6U Active CN218076856U (en) | 2022-08-01 | 2022-08-01 | Sewage pretreatment tank for sewage plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218076856U (en) |
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2022
- 2022-08-01 CN CN202222003248.6U patent/CN218076856U/en active Active
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