CN220214259U - Ditch sludge pre-screening pool - Google Patents
Ditch sludge pre-screening pool Download PDFInfo
- Publication number
- CN220214259U CN220214259U CN202321523820.XU CN202321523820U CN220214259U CN 220214259 U CN220214259 U CN 220214259U CN 202321523820 U CN202321523820 U CN 202321523820U CN 220214259 U CN220214259 U CN 220214259U
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- China
- Prior art keywords
- pond
- tank
- mud storage
- screening
- ditch
- Prior art date
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- 239000010802 sludge Substances 0.000 title claims abstract description 62
- 238000012216 screening Methods 0.000 title claims abstract description 27
- 239000000706 filtrate Substances 0.000 claims abstract description 31
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 238000001914 filtration Methods 0.000 claims abstract description 14
- 238000011282 treatment Methods 0.000 claims abstract description 11
- 239000010865 sewage Substances 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 claims description 3
- 229910052755 nonmetal Inorganic materials 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 17
- 239000000463 material Substances 0.000 abstract description 16
- 239000002245 particle Substances 0.000 abstract description 15
- 238000005406 washing Methods 0.000 abstract description 9
- 239000004744 fabric Substances 0.000 abstract description 3
- 238000011010 flushing procedure Methods 0.000 abstract description 3
- 230000009977 dual effect Effects 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 210000005056 cell body Anatomy 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Landscapes
- Treatment Of Sludge (AREA)
Abstract
The utility model discloses a through ditch sludge pre-screening pool, which is internally provided with a sludge storage pool and a filtrate pool which are open at the top and respectively positioned at a feed end and a discharge end of the through ditch sludge pre-screening pool, wherein the sludge storage pool and the filtrate pool are arranged in series and are separated by a vertically arranged filter screen plate, a vibrating screen is arranged between the top of the sludge storage pool and two opposite side walls of the sludge storage pool, the vibrating screen comprises a vibrating mesh screen, a discharge hole arranged at one end of the vibrating mesh screen and a vibrating motor arranged at the top of the vibrating mesh screen, and the vibrating mesh screen is opposite to the bottom surface of the sludge storage pool. The vibration screen cloth and the filter screen plate of the vibration screen carry out dual screening on particles in the through ditch sludge, the step that a large amount of manual flushing screen washing is needed for conventional treatment of the through ditch sludge is omitted, manual participation is effectively reduced, materials are intercepted by the filter screen plate and are grabbed and collected by the grippers, other cleaner water enters the liquid filtering tank through the filter screen plate, the water content of the materials is greatly reduced, and cleaner water is finally lifted to be treated by subsequent sewage equipment through the filtrate pump.
Description
Technical Field
The utility model relates to the technical field of sludge treatment, in particular to a through ditch sludge pre-screening tank.
Background
The sludge in the through ditch, which is also called drainage pipeline sludge, refers to sediment which is dredged and cleaned in the maintenance of the drainage pipeline, and the sediment in the pipeline not only contains particles and impurities which enter a pipeline conveying system along with rainwater, domestic sewage and industrial wastewater, but also contains road dust fall, garbage, mud discharged from some construction sites and the like. At present, the urban ditch sludge treatment in China is generally carried out by a sludge cleaning and fishing machine or a manual cleaning and fishing machine to a sludge transport vehicle and a sludge hopper vehicle, then the sludge is transported to a sludge transfer site, poured into a sludge storage tank, and then treated and utilized uniformly. The water content of the sludge in the through ditch is generally higher, and after the sludge is poured into a sludge storage tank for standing, oversized particles and particles with smaller size in the sludge are mixed together, so that the concentration distribution is uneven, the difficulty of subsequent coarse material separation and washing process sections is increased, the treatment time of coarse material separation and washing is also increased, and the operation efficiency of the process sections is reduced.
The Chinese patent application No. ZL202020414870.4 discloses a sludge storage pool for treating through ditch sludge, wherein a plurality of grids arranged at the middle upper part in the sludge storage pool firstly intercept and screen oversized particles in the through ditch sludge, the through ditch sludge enters a deposition area for uniform precipitation, different washing separation treatments are adopted for oversized particles with different sizes and grid residues, and the grid residues with smaller sizes do not need to enter a washing drum again for separation and directly enter a sand washing device for washing separation. However, the grids of the mud storage pool are easy to be blocked by oversized particles after long-time working, and the grids need to be manually cleaned periodically, so that the operation efficiency is greatly reduced.
Disclosure of Invention
The applicant provides a reasonable through ditch sludge pre-screening tank aiming at the defects that the grid in the existing sludge storage tank for treating the through ditch sludge is easy to be blocked by oversized particles, the time for periodic manual cleaning is increased, the operation efficiency is reduced and the like, and the through ditch sludge pre-screening tank is reasonable in structure, and a double filtering structure is formed by erecting a vibrating screen above the sludge storage tank and separating a liquid filtering tank from the other side of the sludge storage tank through a filtering screen plate, so that the steps of manually cleaning the vibrating screen and the filtering screen plate are effectively reduced, and the efficiency is improved.
The technical scheme adopted by the utility model is as follows:
a through ditch sludge pre-screening pool is characterized in that a mud storage pool and a filtrate pool which are open at the top and respectively positioned at the feed end and the discharge end of the through ditch sludge pre-screening pool are arranged in series and are separated by a vertically arranged filter screen plate, a vibrating screen is arranged between the top of the mud storage pool and two opposite side walls of the mud storage pool, the vibrating screen comprises a vibrating screen, a discharge hole arranged at one end of the vibrating screen and a vibrating motor arranged at the top of the vibrating screen, and the vibrating screen is opposite to the bottom surface of the mud storage pool.
The vibration screen cloth and the filter screen plate of the vibration screen carry out dual screening on particles in the through ditch sludge, the step that a large amount of manual flushing screen washing is needed for conventional treatment of the through ditch sludge is omitted, manual participation is effectively reduced, oversized particles are intercepted and separated by the vibration screen cloth and are concentrated and piled up at the discharge port, the materials filtered by the vibration screen flow into the mud storage tank below due to gravity, after the materials with water are deposited in the mud storage tank, the materials are intercepted by the filter screen plate and are captured and collected by the grippers, the rest of cleaner water enters the liquid filtering tank through the filter screen plate, the water content of the materials is greatly reduced, and cleaner water is finally lifted to be treated by subsequent sewage equipment through the filtrate pump.
As a further improvement of the above technical scheme:
the length of the vibration mesh screen is equivalent to the length of the side wall of the short side of the mud storage tank, and the discharge hole is opposite to the outside of the tank body of the mud storage tank.
The material after the vibration mesh screen filters all flows into the mud storage pond, avoids the overflow to outside the cell body, and the vibrating screen is concentrated and is piled up in discharge gate department after carrying out preliminary screening to super large granule, is convenient for snatch.
The top surfaces of the mud storage tank and the filtrate tank are leveled, and the bottom surface of the filtrate tank is lower than the bottom surface of the mud storage tank, namely the depth of the filtrate tank is greater than the depth of the mud storage tank.
The mud storage pool is internally provided with a first slope surface which is inclined from the side wall of the short side of the pool body to the bottom surface of the mud storage pool, and the vibrating screen is opposite to the first slope surface.
The filter tank is provided with a second slope surface which is inclined from the edge of the filter tank to the bottom surface of the filter tank at one side close to the filter tank.
After the material filtered by the vibrating screen flows into the lower mud storage tank, the first slope can drain the material with water to the bottom of the mud storage tank for accumulation, a height difference is arranged between the mud storage tank and the bottom surface of the liquid filtering tank, clean water filtered by the filtering screen plate is conveniently drained to the liquid filtering tank, and the second slope is further convenient for drainage.
The bottom of the filtrate tank is provided with a filtrate pump, and the filtrate pump is connected to subsequent sewage treatment equipment through a pipeline. The filter liquid pump lifts cleaner water in the filter liquid tank to subsequent sewage equipment treatment.
The filter screen plate has a pore size of 8-10 mm. The filter screen plate can intercept larger particles to obtain cleaner water.
The through ditch sludge pre-screening tank is a concrete tank, a movable metal or nonmetal container and the like.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a top view of the present utility model.
In the figure: 1. a cell body; 2. a vibrating screen; 21. a discharge port; 22. a vibration motor; 23. vibrating the mesh screen; 3. a mud storage pool; 31. a first slope; 4. a liquid filtering pool; 41. a second slope; 5. a filter screen plate; 6. a filtrate pump; 7. a pipeline.
Detailed Description
The following describes specific embodiments of the present utility model with reference to the drawings.
As shown in fig. 1 and 2, the through-ditch sludge pre-screening tank of the utility model is a square tank body 1 with enclosed sides and open top, in this embodiment, the tank body 1 is a concrete tank, and a mud storage tank 3 and a filtrate tank 4 respectively positioned at a feeding end and a discharging end of the through-ditch sludge pre-screening tank are arranged in the concrete tank, the mud storage tank 3 and the filtrate tank 4 are arranged in series, the top surfaces of the mud storage tank and the filtrate tank are level, and the bottom surface of the filtrate tank 4 is lower than the bottom surface of the mud storage tank 3, namely the depth of the filtrate tank 4 is greater than the depth of the mud storage tank 3.
The vibrating screen 2 is arranged between the top of the mud storage tank 3 and two opposite side walls of the mud storage tank 3, the vibrating screen 2 comprises a vibrating mesh screen 23, a discharge hole 21 arranged at one end of the vibrating mesh screen 23 and a vibrating motor 22 arranged at the top of the vibrating mesh screen 23, the vibrating mesh screen 23 can be used for separating and intercepting oversized particles of 100mm, the length of the vibrating mesh screen 23 is equal to that of the side wall of the short side of the mud storage tank 3, the filtered materials are guaranteed to flow into the mud storage tank 3 and are prevented from overflowing to the outside of the tank body 1, the discharge hole 21 is opposite to the outside of the tank body 1 of the mud storage tank 3, the vibrating screen 2 is used for carrying out primary screening on oversized particles and then intensively stacking at the discharge hole 21, so that the vibrating screen 2 is convenient to grasp, the step of manually flushing and screening and washing by a large amount of manpower required for conventionally treating the sludge with a ditch can be omitted, and manual participation is effectively reduced. The first slope surface 31 which is inclined from the side wall of the short side of the tank body 1 to the bottom surface of the mud storage tank 3 is arranged in the mud storage tank 3, and the vibrating screen 23 is opposite to the first slope surface 31 in the embodiment, so that the filtered material of the vibrating screen 2 can be drained to the bottom of the mud storage tank 2. The mud storage tank 3 and the filtrate tank 4 are separated by a vertically arranged filter screen plate 5, and the filter screen plate 5 has an aperture of 8-10 mm and can further intercept larger-sized particles. The filtrate tank 4 is provided with a second slope 41 inclined from the edge of the sludge tank 3 to the bottom surface of the filtrate tank 4 at the side close to the sludge tank 3, so that water in the sludge tank 3 can be drained to the filtrate tank 4, the bottom of the filtrate tank 4 is provided with a filtrate pump 6, and the filtrate pump 6 is connected to subsequent sewage treatment equipment (not shown in the figure) through a pipeline 7.
During actual operation, the ditch sludge is discharged onto the vibrating screen 2 through the carrier vehicle, oversized particles in the ditch sludge are intercepted and separated by the vibrating screen 23 and are concentrated and stacked at the discharge hole 21, the material filtered by the vibrating screen 2 flows into the lower mud storage tank 3 due to gravity, the material with water is intercepted by the filter screen 5 and is grabbed and collected by the grab, the rest cleaner water enters the liquid filtering tank 4 through the filter screen 5, the water content of the material is greatly reduced, and the cleaner water is finally lifted to the subsequent sewage treatment equipment through the filter liquid pump 6.
The above description is for explanation of the present utility model, not limitation of the present utility model, and the present utility model may be modified in any form without departing from the spirit of the present utility model, for example, the through-ditch sludge pre-screening tank may be a movable metal or nonmetal container, etc., and if the filtrate pump 6 is damaged, the filtrate tank 4 may be pumped by an external device.
Claims (8)
1. A ditch sludge pre-screening pool is characterized in that: the inside has that the top is open, be located respectively mud storage pond (3) and the straining liquid pond (4) of the feed end and the discharge end of logical ditch mud prescreening pond, mud storage pond (3) and straining liquid pond (4) establish ties and set up and separate through vertical filter screen board (5) that set up, mud storage pond (3) top, the support between the opposite both sides wall of mud storage pond (3) shale shaker (2), shale shaker (2) are including vibrating mesh screen (23), set up discharge gate (21) at vibrating mesh screen (23) one end and set up vibrating motor (22) at vibrating mesh screen (23) top, vibrating mesh screen (23) just are to mud storage pond (3) bottom surface.
2. The through-ditch sludge pre-screening pond according to claim 1, wherein: the length of the vibrating mesh screen (23) is equivalent to the length of the side wall of the short side of the mud storage tank (3), and the discharge hole (21) is opposite to the outside of the tank body (1) of the mud storage tank (3).
3. The through-ditch sludge pre-screening pond according to claim 1, wherein: the top surfaces of the mud storage tank (3) and the filtering liquid tank (4) are leveled, and the bottom surface of the filtering liquid tank (4) is lower than the bottom surface of the mud storage tank (3), namely the depth of the filtering liquid tank (4) is greater than the depth of the mud storage tank (3).
4. The through-ditch sludge pre-screening pond according to claim 1, wherein: the mud storage pool (3) is internally provided with a first slope (31) which is inclined from the side wall of the short side of the pool body (1) to the bottom surface of the mud storage pool (3), and the vibrating mesh screen (23) is opposite to the first slope (31).
5. The through-ditch sludge pre-screening pond according to claim 1, characterized in that the filtrate pond (4) is provided with a second slope (41) inclined from the edge of the sludge pond (3) to the bottom surface of the filtrate pond (4) at the side close to the sludge pond (3).
6. The through-ditch sludge pre-screening pond according to claim 1, wherein: the bottom of the filtrate tank (4) is provided with a filtrate pump (6), and the filtrate pump (6) is connected to subsequent sewage treatment equipment through a pipeline (7).
7. The through-ditch sludge pre-screening pond according to claim 1, wherein: the filter screen plate (5) has a pore diameter of 8-10 mm.
8. The through-ditch sludge pre-screening pond according to claim 1, wherein: the through ditch sludge pre-screening tank is a concrete tank and a movable metal or nonmetal container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321523820.XU CN220214259U (en) | 2023-06-15 | 2023-06-15 | Ditch sludge pre-screening pool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321523820.XU CN220214259U (en) | 2023-06-15 | 2023-06-15 | Ditch sludge pre-screening pool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220214259U true CN220214259U (en) | 2023-12-22 |
Family
ID=89176943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321523820.XU Active CN220214259U (en) | 2023-06-15 | 2023-06-15 | Ditch sludge pre-screening pool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220214259U (en) |
-
2023
- 2023-06-15 CN CN202321523820.XU patent/CN220214259U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |