CN212818612U - Sewage treatment plant is used in construction of ultra-deep foundation ditch - Google Patents

Abstract

The utility model relates to a sewage treatment plant is used in construction of ultra-deep foundation ditch, it contains first sump pit and the second sump pit of seting up in the foundation ditch bottom, the up end of first sump pit flushes with the bottom surface of foundation ditch, the up end part of second sump pit extends the bottom surface of foundation ditch, communicate each other through communicating pipe between first sump pit and the second sump pit, still be equipped with the support frame in the foundation ditch, be equipped with the water pump on the support frame, it has inlet tube and outlet pipe to communicate respectively on the water pump, the inlet tube extends to in the first sump pit, the outlet pipe extends the foundation ditch. The application has the technical effects that: first sump pit can deposit the filtration to the sewage in the foundation ditch, has reduced the possibility that the water pump is blockked up by mixed silt or impurity in the sewage to in the foundation ditch that the water pump can be stable for a long time discharges the processing.

Description

Sewage treatment plant is used in construction of ultra-deep foundation ditch

Technical Field

The application relates to the technical field of foundation ditch drainage, especially, relate to a sewage treatment plant for construction of ultra-deep foundation ditch.

Background

The foundation pit is a soil pit excavated at the design position of the foundation according to the elevation of the foundation and the plane size of the foundation. The foundation pit belongs to temporary engineering and has the function of providing a space so that the basic masonry operation can be carried out according to the position specified by design. The ultra-deep foundation pit generally refers to a foundation pit with the excavation depth of more than fifteen meters.

In the related art, in order to ensure normal construction in a foundation pit, sewage generated by construction or weather and other factors in the foundation pit needs to be timely discharged out of the foundation pit through a water pump.

However, a large amount of silt and impurities are often mixed in the sewage in the foundation pit, and the situation that the water pump is blocked and normal drainage is difficult to continue easily occurs in the implementation process of the mode of directly utilizing the water suction pump to drain the water in the foundation pit.

SUMMERY OF THE UTILITY MODEL

In order to improve the water pump in the foundation ditch problem of blockking up easily when the drainage, the application provides a sewage treatment plant for construction of ultra-deep foundation ditch adopts following technical scheme: the utility model provides a sewage treatment plant is used in construction of ultra-deep foundation ditch, contains first sump pit and the second sump pit of seting up in the foundation ditch bottom, the up end of first sump pit flushes with the bottom surface of foundation ditch, the bottom surface of foundation ditch is extended to the up end part of second sump pit, communicate each other through communicating pipe between first sump pit and the second sump pit, still be equipped with the support frame in the foundation ditch, be equipped with the water pump on the support frame, the intercommunication has inlet tube and outlet pipe on the water pump respectively, the inlet tube extends to in the first sump pit, the outlet pipe extends the foundation ditch.

Through the technical scheme, sewage in the foundation pit can firstly flow into the first water collecting well, silt and impurities in the sewage can be deposited and accumulated at the bottom of the first water collecting well under the influence of self gravity, when the height of the sewage in the first water collecting well is higher than that of the communicating pipe, the sewage above the deposit can flow into the second water collecting well along the communicating pipe, and then the water pump can pump the sewage in the second water collecting well out through the water inlet pipe and discharge the sewage out of the foundation pit through the water outlet pipe; the setting up of first sump pit has played and has carried out sedimentation filterable effect to sewage for silt and impurity in the sewage are difficult for together entering into the second sump pit along with sewage, thereby have reduced the possibility that the water pump is blockked up by mixed silt or impurity in the sewage, so that the sewage to in the foundation ditch that the water pump can be stable for a long time discharges.

Preferably, the bottom of first sump pit is equipped with deposits the box, deposit the below that the box is located communicating pipe, still be equipped with in the foundation ditch and be used for the drive to deposit the box and follow the device that draws that first sump pit goes up and down.

Through above-mentioned technical scheme, sediment and impurity that deposit in the first sump pit can be unified to be piled up in the case that deposits, and the case that deposits has the effect of collecting the precipitate to the staff can regularly pull out the case from the first sump pit through draw gear, then through the mode of clearing up the precipitate in the case that deposits, regularly clears up the precipitate in the first sump pit.

Preferably, the lifting device comprises a pull ring fixedly arranged on the sedimentation box, a fixed block is further arranged in the foundation pit, an extension rod partially extending to the upper part of the first water collecting well is arranged on the fixed block, a fixed pulley is rotatably connected to the end part of the extension rod, a wire spool is rotatably connected to the fixed block, a steel rope is wound on the wire spool, one end, far away from the wire spool, of the steel rope is wound on the fixed pulley and is connected with the pull ring, and a motor used for driving the wire spool to rotate is further arranged on the fixed block.

According to the technical scheme, when the motor is started, the wire spool can be driven to rotate to take up or pay off the steel rope, and under the reversing action of the fixed pulley, when the wire spool takes up the steel rope, the steel rope can drive the pull ring and the settling box to move upwards along the first water collecting well; when the wire reel carries out the unwrapping wire operation to the steel cable, deposit the box and can move down along first sump pit under the influence of self gravity to reached the drive and deposited the effect that the box goes up and down along first sump pit.

Preferably, the outer edge of the sedimentation box is rotatably connected with a plurality of rollers, and the rollers are respectively abutted against the inner wall of the first water collecting well.

Through the technical scheme, when the sedimentation box is lifted along the first water collecting well, the plurality of rollers can be driven by the sedimentation box to tightly abut against the well wall of the first water collecting well to rotate; the setting of a plurality of gyro wheels has reduced the frictional resistance between the box and the first sump pit wall of a well to it can be smooth go up and down along first sump pit to deposit the box.

Preferably, the bottom of the settling box is provided with a plurality of drainage holes.

Through above-mentioned technical scheme, deposit the box when going up and down along first sump pit, sewage in the first sump pit can flow along the wash port to sewage is to the resistance of deposiing the box when having reduced and deposiing the box and going up and down.

Preferably, the end part of the water inlet pipe is communicated with a filter box, one end of the filter box, which is far away from the water inlet pipe, is provided with a water inlet, and a filter screen plate used for sealing the water inlet is further arranged in the filter box.

Through above-mentioned technical scheme, filter plate can filter the sewage that enters into the rose box for in mixed silt and impurity are difficult to enter into the rose box in the sewage, thereby make the inlet tube be difficult for being blockked up by mixed silt and impurity in the sewage.

Preferably, the filter box is provided with an annular supporting block along the inner periphery of the filter box, and the filter screen plate is connected to the supporting block through bolts.

Through above-mentioned technical scheme, the mode that staff's accessible bolt was dismantled will filter the otter board and lift off from the supporting shoe to the staff can regularly clear up the change to filtering the otter board.

Preferably, the filter box is also provided with a plurality of water permeable holes.

Through the technical scheme, sewage can pass through the permeable holes to enter the filter box, and large-particle silt and impurities in the sewage cannot pass through the permeable holes to enter the filter box; the permeability of the filter box is enhanced by the arrangement of the permeable holes, so that the sewage can be pumped out more quickly.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the first water collecting well can deposit and filter the sewage in the foundation pit, so that the possibility that the water pump is blocked by silt or impurities mixed in the sewage is reduced, and the water pump can stably discharge and treat the sewage in the foundation pit for a long time;

2. staff's accessible pulling apparatus is regularly with deposiing the box and pull out from the sump pit to the mode that the staff can be cleared up through the deposit to in the deposiing box, regularly clears up the deposit in the first sump pit.

Drawings

Fig. 1 is a schematic view of the overall structure of the present embodiment.

Fig. 2 is a schematic cross-sectional view of the communication pipe according to the present embodiment.

Fig. 3 is an exploded view of the filter box of the present embodiment.

FIG. 4 is a schematic view showing the structure of the settling box in this embodiment.

Reference numerals: 1. a foundation pit; 2. a first sump well; 3. a second sump well; 4. a communicating pipe; 5. a support frame; 6. a water pump; 7. a water inlet pipe; 8. a water outlet pipe; 9. a settling box; 10. a pulling device; 11. a pull ring; 12. a fixed block; 13. an extension rod; 14. a fixed pulley; 15. a wire spool; 16. a steel cord; 17. a roller; 18. a drain hole; 19. a filter box; 20. a water inlet; 21. a filter screen plate; 22. a support block; 23. water permeable holes; 24. an electric motor.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses sewage treatment plant is used in construction of ultra-deep foundation ditch. As shown in fig. 1, contain and bury first sump pit 2 and the second sump pit 3 in foundation ditch 1 bottom underground, the up end of first sump pit 2 flushes with the bottom surface of foundation ditch 1, the up end of second sump pit 3 is located the top of foundation ditch 1 bottom surface, support frame 5 has still set firmly in foundation ditch 1, support frame 5 is located one side of second sump pit 3, bolted connection has water pump 6 on the support frame 5, it has inlet tube 7 and outlet pipe 8 to communicate respectively on the water pump 6, inlet tube 7 and outlet pipe 8 are plastic hose, one end part that water pump 6 was kept away from to inlet tube 7 extends to in the second sump pit 3, the one end that water pump 6 was kept away from to outlet pipe 8 extends to outside foundation ditch 1.

As shown in fig. 2, the first water collecting well 2 and the second water collecting well 3 are communicated with each other through a communicating pipe 4, the communicating pipe 4 is arranged along the horizontal direction, a precipitation box 9 matched with the first water collecting well 2 is placed at the bottom of the first water collecting well 2, and the precipitation box 9 is positioned below the communicating pipe 4. Consequently, ponding in the foundation ditch 1 can at first flow collect first sump pit 2 in, the ponding that falls into in first sump pit 2 can deposit in first sump pit 2, the sediment of mixed large granule in the sewage and the impurity that density is greater than sewage can deposit and pile up in deposiing box 9, treat that the water level height in first sump pit 2 is higher than when communicating pipe 4, it can flow into in the second sump pit 3 along communicating pipe 4 to deposit the sewage after 9 top edulcorations of box, thereby reached and carried out filterable effect to sewage.

As shown in fig. 2 and 3, the end of the water inlet pipe 7 located in the foundation pit 1 is further communicated with a filter box 19, a water inlet 20 is formed in the end face of the filter box 19 far away from the water inlet pipe 7, an annular support block 22 is further fixedly arranged on the filter box 19 along the inner periphery, and a filter screen 21 for sealing the water inlet 20 is connected to the support block 22 through bolts. Therefore, the sewage in the second water collecting well 3 can pass through the filter screen plate 21 and enter the filter tank 19, so that the sewage in the filter tank 19 can be pumped out through the water inlet pipe 7 and discharged out of the foundation pit 1 when the water pump 6 is started; the filter screen 21 on the filter box 19 can filter the sewage entering the filter box 19 again, so that the possibility that the water pump 6 is blocked by silt or impurities mixed in the sewage is reduced, and the water pump 6 can stably discharge the sewage in the foundation pit 1 for a long time; simultaneously, the staff can also regularly pull out inlet tube 7 and rose box 19 from second sump pit 3, and then lift off filter plate 21 from supporting shoe 22 through the mode of bolt dismantlement to the staff can regularly clear up or change filter plate 21, has reduced the mesh part of filter plate 21 and has blockked up after long-time the use, influences the possibility of 6 drainage effects of water pump.

As shown in fig. 2 and 3, a plurality of water permeable holes 23 are further uniformly formed in the outer edge of the filter box 19, the accumulated water in the second water collecting well 3 can enter the filter box 19 through the water permeable holes 23, and large-particle sediment and impurities mixed in the sewage are difficult to enter the filter box 19 through the water permeable holes 23. Therefore, the arrangement of the plurality of water permeable holes 23 enables the sewage in the second water collecting well 3 to flow into the filter tank 19 more quickly, thereby improving the drainage efficiency of the water pump 6; meanwhile, the arrangement of the plurality of water permeable holes 23 also enhances the permeability of the filter box 19, and further reduces the possibility that the drainage effect of the water pump 6 is influenced due to the partial blockage of meshes of the filter screen 21 after long-time use; so that the water inlet pipe 7 can stably discharge the sewage in the second water collecting well 3 for a long time.

As shown in fig. 1 and 2, a lifting device 10 for driving the depositing box 9 to ascend and descend along the first water collecting well 2 is further arranged in the foundation pit 1, and the lifting device 10 is configured to: contain fixed connection at the pull ring 11 in deposiing the box 9, pull ring 11 is located the center department that deposits the box 9, and the bottom of foundation ditch 1 is the fixed block 12 that is provided with still, has still set firmly the slope and upwards extends to the extension rod 13 of first sump pit 2 top on the fixed block 12, and extension rod 13 keeps away from the tip rotation of fixed block 12 and is connected with fixed pulley 14, and fixed pulley 14 is located pull ring 11 directly over.

As shown in fig. 1 and 2, a wire spool 15 is further rotatably connected to the fixing block 12, a steel cable 16 is wound on the wire spool 15, one end of the steel cable 16 is fixedly connected to the wire spool 15, the other end of the steel cable is wound on the fixed pulley 14 and is fixedly connected to the pull ring 11, and a motor 24 for driving the wire spool 15 to rotate is further bolted to the fixing block 12. Therefore, the worker can pull out the sedimentation box 9 from the first water collecting well 2 by driving the wire winding disc 15 to rotate to take up the steel rope 16 through the motor 24, so that the worker can clean silt and impurities accumulated in the sedimentation box 9, and the possibility that the communicating pipe 4 in the first water collecting well 2 is blocked by sediment to cause that sewage in the first water collecting well 2 is difficult to continuously flow into the second water collecting well 3 is reduced; after the settling box 9 is cleaned, the worker can drive the wire spool 15 to pay off the steel rope 16 through the motor 24, and then the settling box 9 is put down to the bottom of the first water collecting well 2 again, so that the settling box 9 can continue to collect sediments in the first water collecting well 2.

As shown in fig. 1 and 4, a plurality of rollers 17 are uniformly and fixedly arranged on the settling box 9 along the outer periphery, the number of the rollers 17 can be four, the rollers 17 are respectively tightly abutted against the wall of the first water collecting well 2, a plurality of drain holes 18 are uniformly formed in the bottom of the settling box 9, sewage can flow along the drain holes 18, and large-particle silt and impurities are difficult to pass through the drain holes 18. Therefore, when the sedimentation box 9 is driven by the steel rope 16 to lift along the first water collecting well 2, the plurality of rollers 17 can be driven by the sedimentation box 9 to tightly abut against the well wall of the first water collecting well 2 to rotate, so that the friction resistance between the sedimentation box 9 and the well wall of the first water collecting well 2 is reduced; the sewage in the first water collecting well 2 flows along the plurality of water discharging holes 18, so that the resistance of the sewage to the settling box 9 in the lifting process of the settling box 9 is reduced, and the energy consumption of the motor 24 in the lifting process of the settling box 9 is reduced; simultaneously, when depositing box 9 and being promoted upwards, the mixed large granule silt of sewage and impurity can support tightly in depositing box 9 under the drive of rivers, have reduced and have deposited the interior debris of box 9 and have flown out from depositing box 9, then flow the possibility of second sump pit 3.

The implementation principle of the embodiment of the application is as follows: sewage in the foundation pit 1 firstly flows into the first water collecting well 2, after primary sedimentation and filtration are carried out in the first water collecting well 2, most of silt and impurities mixed in the sewage can be precipitated and accumulated in the sedimentation box 9, and the sewage filtered above the sedimentation box 9 can enter the second water collecting well 3 along the communicating pipe 4 when the water level is higher than the communicating pipe 4; when the water pump 6 is started, sewage in the second water collecting well 3 can be extracted through the water inlet pipe 7, the filter box 19 at the end part of the water inlet pipe 7 can further filter the sewage, so that the water pump 6 can stably extract the sewage for a long time, and then the sewage is discharged out of the foundation pit 1 through the water outlet pipe 8; first sump pit 2 and rose box 19's setting all has carries out filterable effect to the sewage in the foundation ditch 1, has reduced the possibility that water pump 6 is blockked up by mixed silt or impurity in the sewage to water pump 6 can discharge the sewage in the foundation ditch 1 for a long time stably.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a sewage treatment plant is used in construction of ultra-deep foundation ditch which characterized in that: contain first sump pit (2) and second sump pit (3) of setting in foundation ditch (1) bottom, the up end of first sump pit (2) flushes with the bottom surface of foundation ditch (1), the bottom surface of foundation ditch (1) is extended to the up end part of second sump pit (3), communicate each other through communicating pipe (4) between first sump pit (2) and the second sump pit (3), still be equipped with support frame (5) in foundation ditch (1), be equipped with water pump (6) on support frame (5), it has inlet tube (7) and outlet pipe (8) to communicate respectively on water pump (6), inlet tube (7) extend to in first sump pit (2), outlet pipe (8) extend foundation ditch (1).

2. The sewage treatment device for the construction of the ultra-deep foundation pit according to claim 1, wherein: the bottom of first sump pit (2) is equipped with deposits box (9), it is located the below of communicating pipe (4) to deposit box (9), still be equipped with in foundation ditch (1) and be used for the drive to deposit box (9) and follow the device (10) that draws that carry that first sump pit (2) go up and down.

3. The sewage treatment device for the ultra-deep foundation pit construction according to claim 2, wherein: carry draw gear (10) to contain and set up pull ring (11) on deposiing box (9), still be equipped with fixed block (12) in foundation ditch (1), be equipped with extension rod (13) that part extends to first sump pit (2) top on fixed block (12), the tip of extension rod (13) rotates and is connected with fixed pulley (14), it is connected with wire reel (15) to rotate on fixed block (12), around being equipped with steel cable (16) on wire reel (15), the one end that wire reel (15) were kept away from in steel cable (16) is around establishing fixed pulley (14) and being connected with pull ring (11), still be equipped with on fixed block (12) and be used for driving wire reel (15) pivoted motor (24).

4. The sewage treatment device for the construction of the ultra-deep foundation pit according to claim 3, wherein: the outer edge of the sedimentation box (9) is rotatably connected with a plurality of rollers (17), and the rollers (17) are respectively tightly propped against the inner wall of the first water collecting well (2).

5. The sewage treatment device for the construction of the ultra-deep foundation pit according to claim 3, wherein: the bottom of the settling box (9) is provided with a plurality of drain holes (18).

6. The sewage treatment device for the construction of the ultra-deep foundation pit according to claim 1, wherein: the end part of the water inlet pipe (7) is communicated with a filter box (19), one end, far away from the water inlet pipe (7), of the filter box (19) is provided with a water inlet (20), and a filter screen plate (21) used for sealing the water inlet (20) is further arranged in the filter box (19).

7. The sewage treatment device for the construction of the ultra-deep foundation pit according to claim 6, wherein: the filter box (19) is provided with annular supporting blocks (22) along the inner periphery of the filter box, and the filter screen plate (21) is connected to the supporting blocks (22) through bolts.

8. The sewage treatment device for the construction of the ultra-deep foundation pit according to claim 6, wherein: the filter box (19) is also provided with a plurality of water permeable holes (23).

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