CN219709351U - Sedimentation tank for treating slurry and slurry filter pressing pretreatment system - Google Patents
Sedimentation tank for treating slurry and slurry filter pressing pretreatment system Download PDFInfo
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- CN219709351U CN219709351U CN202320960262.7U CN202320960262U CN219709351U CN 219709351 U CN219709351 U CN 219709351U CN 202320960262 U CN202320960262 U CN 202320960262U CN 219709351 U CN219709351 U CN 219709351U
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- 238000004062 sedimentation Methods 0.000 title claims abstract description 204
- 239000002002 slurry Substances 0.000 title claims abstract description 60
- 238000003825 pressing Methods 0.000 title abstract description 27
- 239000010802 sludge Substances 0.000 claims abstract description 35
- 238000003756 stirring Methods 0.000 claims abstract description 29
- 238000005192 partition Methods 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 32
- 239000002893 slag Substances 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 2
- 238000010008 shearing Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 23
- 230000003311 flocculating effect Effects 0.000 abstract 1
- 239000008394 flocculating agent Substances 0.000 description 24
- 239000013049 sediment Substances 0.000 description 14
- 238000005189 flocculation Methods 0.000 description 12
- 230000016615 flocculation Effects 0.000 description 12
- 238000010276 construction Methods 0.000 description 6
- 238000005553 drilling Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000011268 mixed slurry Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 238000010924 continuous production Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000001376 precipitating effect Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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- Treatment Of Sludge (AREA)
Abstract
The utility model discloses a sedimentation tank for treating mud and a mud filter pressing pretreatment system, wherein the sedimentation tank comprises: the first-stage sedimentation tank is vertically divided into a first-stage sedimentation front tank and a first-stage sedimentation rear tank by a first partition board, and the upper edge of the first partition board is lower than the upper edge of the first-stage sedimentation tank; the secondary sedimentation tank is vertically divided into a secondary sedimentation front tank and a secondary sedimentation rear tank by a second partition board, and the upper edge of the second partition board is lower than the upper edge of the secondary sedimentation tank. The slurry filter pressing pretreatment system comprises a sedimentation tank, a stirring barrel and a slurry pump, wherein the bottom of the stirring barrel is provided with a slurry inlet, the upper part of the stirring barrel is provided with a slurry outlet, and the stirring barrel is connected with the sedimentation tank through a first pipeline; the slurry pump inlet is respectively connected with the primary sedimentation tank sludge outlet and the secondary sedimentation tank sludge outlet. According to the utility model, the flocculating settling is better realized by the settling pond, and the flocculated and settled slurry can be better formed in the subsequent filter pressing treatment, so that the filter pressing effect is effectively improved.
Description
Technical Field
The utility model relates to the technical field of slurry treatment, in particular to a sedimentation tank for treating slurry and a slurry filter pressing pretreatment system.
Background
In the drilling process of pile foundation construction, in order to prevent phenomena such as reaming, hole collapse and necking of flowing sand and soft flowing plastic stratum, the hole wall is kept stable, slurry is often needed to be pressed in the drilling process, and because slurry pumped out from the pile hole is entrained with drilling slag at the bottom of the hole, the slurry cannot be directly recycled, so that a deep and irregular simple soil pit needs to be drilled on a construction site to serve as a slurry pond, the slurry overflows from the pile hole and flows into the slurry pond, and the overflowed slurry is pumped into the pile hole for recycling after passing through natural sediment of partial sand stone in the slurry pond. However, after pile foundation construction is completed, the slurry is required to be pulled out of a designated place for landfill treatment, so that a large dumping site is required to consume the slurry, and the slurry is large in workload, high in mechanical cost, inconvenient to transport and high in transportation cost, and the construction progress is affected.
However, it is difficult to realize direct filter-pressing treatment of pile foundation construction slurry, and the existing main stream filter press mainly includes a plate and frame filter press, a spiral shell stacking machine and a belt filter press, wherein: the plate-and-frame filter press has the advantages that the filter cloth is seriously stuck after the filter press is carried out, the filter cloth is easy to block and difficult to clean, the plate-and-frame filter press is used for batch feeding and batch filter press, the automation degree is low, the operations of feeding and discharging are required to be completed on site by a special person, the use is extremely inconvenient, and the efficiency is low; the spiral shell stacking machine can realize continuous production and directly filter-press mud, but the mud is thin and soft and difficult to form, so that the water content of mud cakes cannot be ensured, the filter-pressing effect is poor, equipment is easy to be blocked, and in addition, the spiral shell stacking machine has a complex structure and high use cost; the belt filter press can realize continuous production, and degree of automation is high, but the moisture content of adjustable pressure control mud cake, but direct filter pressing mud is difficult to make mud form, and tiny mud can permeate the filter belt, leads to the filter pressing effect extremely poor, and quality of water is turbid.
Disclosure of Invention
The utility model discloses a sedimentation tank for treating mud and a mud filter pressing pretreatment system, which enable the mud to better realize flocculation sedimentation through the sedimentation tank, and the mud after flocculation sedimentation can be better formed in the subsequent filter pressing treatment, thereby effectively improving the filter pressing effect.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
a sedimentation tank for treating a slurry, comprising:
the first-stage sedimentation tank is vertically divided into a first-stage sedimentation front tank and a first-stage sedimentation rear tank by a first partition board, and the upper edge of the first partition board is lower than the upper edge of the first-stage sedimentation tank; one end provided with a first pipeline extends into the lower part of the primary sedimentation front tank to serve as a primary sedimentation tank inlet, and one end provided with a second pipeline extends into the upper part of the primary sedimentation rear tank to serve as a primary sedimentation tank clear water outlet; the bottoms of the primary sedimentation forehearth and the primary sedimentation posthearth are respectively provided with a primary sedimentation pond sludge outlet;
the secondary sedimentation tank is vertically divided into a secondary sedimentation front tank and a secondary sedimentation rear tank by a second partition board, and the upper edge of the second partition board is lower than the upper edge of the secondary sedimentation tank; the other end provided with a second pipeline extends into the lower part of the secondary sedimentation forehearth to serve as an inlet of the secondary sedimentation hearth; the bottoms of the secondary sedimentation forehearth and the secondary sedimentation posthearth are both provided with a secondary sedimentation pond sludge outlet.
Further, the inlet of the secondary sedimentation tank is lower than the clear water outlet of the primary sedimentation tank.
Further, the bottom surfaces of the primary sedimentation forehearth and/or the primary sedimentation posthearth are arranged in an inclined manner.
Further, the bottom surfaces of the secondary sedimentation front tank and/or the secondary sedimentation rear tank are arranged in an inclined mode.
Further, a honeycomb plate is arranged at the bottom of the primary sedimentation forehearth and/or the primary sedimentation posthearth.
Further, a honeycomb plate is arranged at the bottom of the secondary sedimentation forehearth and/or the secondary sedimentation posthearth.
Furthermore, one side of the primary sedimentation tank and/or the secondary sedimentation tank is provided with a high-pressure water inlet.
A slurry press pretreatment system comprising:
a sedimentation tank as described above;
the bottom of the stirring barrel is provided with a mud inlet, the upper part of the stirring barrel is provided with a mud outlet, and the stirring barrel is connected with the sedimentation tank through a first pipeline;
and the inlet of the slurry pump is respectively connected with the sludge outlet of the primary sedimentation tank and the sludge outlet of the secondary sedimentation tank.
Further, the slag slurry pump further comprises a pipeline mixer which is connected with the outlet of the slag slurry pump.
Further, stirring paddles are arranged in the stirring barrel, and the stirring paddles are non-shearing.
The sedimentation tank for treating the mud can be used for precipitating the mud mixed with the flocculating agent, in the sedimentation tank, the mud can further undergo flocculation reaction, the flocculating agent has strong surface adsorptivity, mud in the mud is adsorbed on the surface of the flocculating agent, the effect of quickly separating mud from water is achieved, and due to the adsorption effect of the flocculating agent, the mud precipitated in the sedimentation tank has a certain bonding effect under the effect of the flocculating agent, so that the mud can be better formed in subsequent filter pressing treatment, and the filter pressing effect is effectively improved.
The slurry filter pressing pretreatment system of the sedimentation tank is characterized in that a stirring barrel is adopted to mix slurry and flocculating agent together, so that the slurry generates flocculate, the mixed slurry with the flocculate enters the sedimentation tank, clear water and sediment are separated through sediment, the clear water can be recycled, the sediment is pumped into a pipeline mixer through a sediment pump to mix the flocculating agent again, the sediment scattered by the sediment pump is supplemented and enhanced in flocculation effect after the flocculating agent is added, the flocculated sediment enters a filter press, the slurry can be well formed under the action of the flocculating agent, and the filter pressing effect is remarkably improved.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present utility model.
Fig. 2 is a schematic perspective view of another direction of fig. 1.
Fig. 3 is a schematic perspective view of a partly broken-away agitator.
In the figure, a stirring barrel 1, a stirring blade 101, a first pipeline 2, a primary sedimentation tank 3, a primary sedimentation forehearth 301, a first partition plate 302, a primary sedimentation posthearth 303, a primary sedimentation tank sludge outlet 304, a secondary sedimentation tank 4, a secondary sedimentation forehearth 401, a second partition plate 402, a secondary sedimentation posthearth 403, a secondary sedimentation tank sludge outlet 404, a third pipeline 5, a slurry pump 6, a high-pressure water inlet 7 and a second pipeline 8.
Description of the embodiments
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that, the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, or the azimuth or positional relationship in which the inventive product is conventionally put in use, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and therefore, should not be construed as limiting the present utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
A sedimentation tank for treating slurry, as shown in fig. 1 and 2, comprising a primary sedimentation tank 3 and a secondary sedimentation tank, wherein: the first-stage sedimentation tank 3 is vertically divided into a first-stage sedimentation front tank 301 and a first-stage sedimentation rear tank 303 by a first partition plate 302, and the upper edge of the first partition plate 302 is lower than the upper edge of the first-stage sedimentation tank 3, so that water at the upper part of the first-stage sedimentation front tank 301 can overflow to the first-stage sedimentation rear tank 303; one end provided with a first pipeline 2 stretches into the lower part of the primary sedimentation forehearth 301 to serve as an inlet of the primary sedimentation pond 3, one end provided with a second pipeline 8 stretches into the upper part of the primary sedimentation forehearth 303 to serve as a clear water outlet of the primary sedimentation pond 3, so that slurry enters the lower part of the primary sedimentation forehearth 301 through the first pipeline 2, is sedimented through the primary sedimentation forehearth 301, is sedimented in the lower part of the primary sedimentation forehearth 301, overflows to the primary sedimentation posthearth 303, is sedimented through the primary sedimentation posthearth 303, is sedimented in the lower part of the primary sedimentation posthearth 303, is discharged through the second pipeline, and the inlet of the primary sedimentation forehearth 301 is arranged at the lower part, so that upper clear water is not damaged when slurry enters, and the slurry is better sedimented; the bottoms of the primary sedimentation foretank 301 and the primary sedimentation posttank 303 are respectively provided with a primary sedimentation tank sludge outlet 304, so that the sludge sedimented by the primary sedimentation foretank 301 and the primary sedimentation posttank 303 can be discharged from the primary sedimentation tank sludge outlet 304. The secondary sedimentation tank 4 is vertically divided into a secondary sedimentation front tank 401 and a secondary sedimentation rear tank 403 by a second partition plate 402, and the upper edge of the second partition plate 402 is lower than the upper edge of the secondary sedimentation tank 4, so that water at the upper part of the primary sedimentation front tank 401 can overflow to the secondary sedimentation rear tank 403; the other end provided with the second pipeline 8 stretches into the lower part of the secondary sedimentation front tank 401 to serve as an inlet of the secondary sedimentation tank 4, and water overflowed from the primary sedimentation rear tank 303 is introduced into the lower part of the secondary sedimentation front tank 401, so that the upper clean water of the secondary sedimentation front tank 401 is not damaged when the water enters, and mud is well precipitated; the bottoms of the secondary sedimentation forehearth 401 and the secondary sedimentation posthearth 403 are respectively provided with a secondary sedimentation tank sludge outlet 404, so that the sludge sedimented by the secondary sedimentation forehearth 401 and the secondary sedimentation posthearth 403 can be discharged from the secondary sedimentation tank sludge outlet 404.
Furthermore, the inlet of the secondary sedimentation tank 4 is lower than the clear water outlet of the primary sedimentation tank 3, so that the overflow process can play a certain siphon role to accelerate the overflow.
Further, the bottom surfaces of the first-stage sedimentation foretank 301 and/or the first-stage sedimentation post tank 303 are inclined, so that the sedimented mud flows down to the bottom along the inclined surface, which can properly reduce the pressure effect on the bottom mud and is beneficial to better pumping out the mud.
Further, the bottom surfaces of the secondary sedimentation front tank 401 and/or the secondary sedimentation rear tank 403 are inclined, and the principle is the same as that of the bottom surfaces of the primary sedimentation front tank 301 and/or the primary sedimentation rear tank 303.
Further, the bottom of the first-stage sedimentation foretank 301 and/or the first-stage sedimentation posttank 303 is provided with a honeycomb plate, and as the mud entering the first-stage sedimentation tank 3 is provided with a flocculating agent, the flocculating agent can cause the mud layer to be bonded, and the honeycomb plate is provided with a plurality of partitions, so that the mud layer can be separated, the mud layer is prevented from being bonded into blocks, and then the mud outlet 304 of the first-stage sedimentation tank is blocked, so that smooth working is ensured.
Further, the bottom of the secondary sedimentation foretank 401 and/or the secondary sedimentation post tank 403 is provided with a honeycomb plate, and the principle is the same as that of the primary sedimentation foretank 301 and/or the primary sedimentation post tank 303.
Further, a high-pressure water inlet 7 is formed on one side of the primary sedimentation tank 3 and/or the secondary sedimentation tank 4, so that after the sedimentation tank finishes working, high-pressure water can be opened to clean the sedimentation tank, and the high-pressure water inlet 7 is formed on one side of the secondary sedimentation tank 4 only as shown in fig. 2.
The sedimentation tank for treating the mud can be used for precipitating the mud mixed with the flocculating agent, flocculation reaction can be further carried out on the mud in the first-stage sedimentation tank 3 and the second-stage sedimentation tank 4, the flocculating agent has strong surface adsorptivity, mud in the mud is adsorbed on the surface of the flocculating agent, the effect of quickly separating the mud from the water is achieved, and the mud precipitated in the sedimentation tank has a certain bonding effect under the action of the flocculating agent due to the adsorption effect of the flocculating agent, so that the mud can be better formed in subsequent filter pressing treatment, and the filter pressing effect is effectively improved. In this embodiment, the first separator 302 and the second separator 402 are further disposed in the first sedimentation tank 3 and the second sedimentation tank 4, the slurry enters from the first sedimentation front tank 301, the water on the upper portion overflows to the first sedimentation rear tank 303, the water in the first sedimentation rear tank 303 enters from the second pipeline 8 into the second sedimentation front tank 401, and then the water on the upper portion of the first sedimentation rear tank 303 overflows to the second sedimentation rear tank 403, so that the mixed slurry can enter the sedimentation tank to realize four-stage flocculation sedimentation, and after the four-stage flocculation sedimentation, the basic sedimentation of the slurry is completed, the water becomes clear, and then overflows into the clean water tank for recycling or discharging.
The embodiment also provides a slurry press filtration pretreatment system, which comprises the sedimentation tank, the stirring barrel 1 and the slurry pump 6, wherein: the bottom of the stirring barrel 1 is provided with a mud inlet, the upper part of the stirring barrel is provided with a mud outlet, the stirring barrel is connected with a sedimentation tank through a first pipeline 2, and mud and flocculating agent can be mixed in the stirring barrel 1 so that water in the upper layer can be clearer after the mud is sedimentated by the sedimentation tank; the inlets of the slurry pump 6 are respectively connected with the sludge outlet 304 of the primary sedimentation tank and the sludge outlet 404 of the secondary sedimentation tank, the sludge in the primary sedimentation tank 3 and the sludge in the secondary sedimentation tank 4 are pumped out by the suction force of the slurry pump 6, and enter a filter press for filter pressing treatment after being pumped out, and as the slurry is mixed with the flocculating agent in the stirring barrel 1, the subsequently precipitated sludge is adsorbed on the surface of the flocculating agent, so that the sludge can be better filter pressed and formed during the subsequent filter pressing treatment, and the filter pressing effect is improved.
Further, a pipe mixer is also included, which is connected to the outlet of the slurry pump 6. The pipe mixer, which is not shown in the drawing, is used for mixing the sludge pumped by the slurry pump 6 with the flocculant. The flocculation effect of the sludge can be broken up when the sludge passes through the slurry pump, so that a pipeline mixer is required to be arranged for secondary dosing treatment, and a flocculating agent is added, so that the flocculation effect of the sludge is improved, the complete flocculation of the sludge before filter pressing is ensured, and the filter pressing effect is improved. The pipeline mixer generally adopts a pipeline spiral mixer, realizes the mixing of mud and flocculant through a spiral pipeline in the pipeline mixer, and also adopts a shearing-free mixing mode to ensure the flocculation effect.
Further, the stirring blade 101 is arranged in the stirring barrel 1, and is in a shearing-free mode as shown in fig. 3, so that low-speed shearing-free stirring is performed, and the flocculate is prevented from being damaged.
The slurry filter pressing pretreatment system of the sedimentation tank of the embodiment is applied, firstly, the slurry and the flocculating agent are mixed together by adopting the stirring barrel 1, so that the slurry generates flocculate, the mixed slurry with the flocculate enters the sedimentation tank, clear water and sediment are separated by sedimentation, the clear water can be recycled, the sediment is pumped into the pipeline mixer by the sediment pump 6 to mix the flocculating agent again, the sediment scattered by the sediment pump 6 is supplemented and enhanced in flocculation effect after the flocculating agent is added, the flocculated sediment enters the filter press, the mud can be well formed under the action of the flocculating agent, and the filter pressing effect is remarkably improved. The device of the embodiment has small occupied area, low cost and simple structure, and is suitable for slurry treatment of various pile hole construction sites.
Claims (10)
1. A sedimentation tank for treating a slurry, comprising:
the first-stage sedimentation tank is vertically divided into a first-stage sedimentation front tank and a first-stage sedimentation rear tank by a first partition board, and the upper edge of the first partition board is lower than the upper edge of the first-stage sedimentation tank; one end provided with a first pipeline extends into the lower part of the primary sedimentation front tank to serve as a primary sedimentation tank inlet, and one end provided with a second pipeline extends into the upper part of the primary sedimentation rear tank to serve as a primary sedimentation tank clear water outlet; the bottoms of the primary sedimentation forehearth and the primary sedimentation posthearth are respectively provided with a primary sedimentation pond sludge outlet;
the secondary sedimentation tank is vertically divided into a secondary sedimentation front tank and a secondary sedimentation rear tank by a second partition board, and the upper edge of the second partition board is lower than the upper edge of the secondary sedimentation tank; the other end provided with a second pipeline extends into the lower part of the secondary sedimentation forehearth to serve as an inlet of the secondary sedimentation hearth; the bottoms of the secondary sedimentation forehearth and the secondary sedimentation posthearth are both provided with a secondary sedimentation pond sludge outlet.
2. A sedimentation tank for treating sludge according to claim 1, characterized in that:
the inlet of the secondary sedimentation tank is lower than the clear water outlet of the primary sedimentation tank.
3. A sedimentation tank for treating sludge according to claim 1, characterized in that:
the bottom surfaces of the primary sedimentation forehearth and/or the primary sedimentation posthearth are arranged in an inclined manner.
4. A sedimentation tank for treating sludge according to claim 1, characterized in that:
the bottom surfaces of the secondary sedimentation front tank and/or the secondary sedimentation rear tank are arranged in an inclined mode.
5. A sedimentation tank for treating sludge according to claim 1, characterized in that:
the bottom of the primary sedimentation forehearth and/or the primary sedimentation posthearth is provided with a honeycomb plate.
6. A sedimentation tank for treating sludge according to claim 1, characterized in that:
and honeycomb plates are arranged at the bottoms of the secondary sedimentation foretanks and/or the secondary sedimentation posttanks.
7. A sedimentation tank for treating sludge according to claim 1, characterized in that:
one side of the primary sedimentation tank and/or one side of the secondary sedimentation tank is provided with a high-pressure water inlet.
8. A slurry press filtration pretreatment system, comprising:
a sedimentation tank as claimed in any one of claims 1-7;
the bottom of the stirring barrel is provided with a mud inlet, the upper part of the stirring barrel is provided with a mud outlet, and the stirring barrel is connected with the sedimentation tank through a first pipeline;
and the inlet of the slurry pump is respectively connected with the sludge outlet of the primary sedimentation tank and the sludge outlet of the secondary sedimentation tank.
9. The slurry press pretreatment system of claim 8, wherein:
and the slag slurry pump also comprises a pipeline mixer which is connected with the outlet of the slag slurry pump.
10. The slurry press pretreatment system of claim 8, wherein:
stirring paddles are arranged in the stirring barrel, and the stirring paddles are non-shearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320960262.7U CN219709351U (en) | 2023-04-25 | 2023-04-25 | Sedimentation tank for treating slurry and slurry filter pressing pretreatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320960262.7U CN219709351U (en) | 2023-04-25 | 2023-04-25 | Sedimentation tank for treating slurry and slurry filter pressing pretreatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219709351U true CN219709351U (en) | 2023-09-19 |
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ID=87981190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320960262.7U Active CN219709351U (en) | 2023-04-25 | 2023-04-25 | Sedimentation tank for treating slurry and slurry filter pressing pretreatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219709351U (en) |
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2023
- 2023-04-25 CN CN202320960262.7U patent/CN219709351U/en active Active
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