CN110639242A - Separation system for tunnel sewage treatment and construction method thereof - Google Patents
Separation system for tunnel sewage treatment and construction method thereof Download PDFInfo
- Publication number
- CN110639242A CN110639242A CN201910977700.9A CN201910977700A CN110639242A CN 110639242 A CN110639242 A CN 110639242A CN 201910977700 A CN201910977700 A CN 201910977700A CN 110639242 A CN110639242 A CN 110639242A
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- CN
- China
- Prior art keywords
- box body
- tunnel
- separation system
- sewage treatment
- bottom plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/003—Sedimentation tanks provided with a plurality of compartments separated by a partition wall
- B01D21/0033—Vertical, perforated partition walls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/02—Settling tanks with single outlets for the separated liquid
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F16/00—Drainage
- E21F16/02—Drainage of tunnels
Abstract
The invention relates to a separation system for tunnel sewage treatment, comprising: excavating a slag pond formed on the periphery of the tunnel; the box body is erected above the muck pool, and the top and the bottom of the box body are provided with openings, and the box body is used for accommodating sewage generated by tunnel construction; and the bottom sealing structure can be arranged at the bottom of the box body in an opening and closing manner, and the residue soil precipitated in the box body is discharged into the residue soil pool by opening the bottom sealing structure. The invention effectively solves the problem of difficult muck discharge, ensures that the muck can be directly discharged into the muck pool by opening the bottom of the sedimentation pool, saves manpower and material resources, improves the construction efficiency and ensures the construction progress.
Description
Technical Field
The invention relates to the field of building construction, in particular to a separation system for tunnel sewage treatment.
Background
In the shield tunneling process, a large amount of sewage silt is generated due to the reasons of water, segment flushing, underground water and the like of the shield tunneling machine, the sewage silt is collected at the tail of the shield, and is discharged out of a tunnel by using a water pump and then precipitated in a sedimentation tank at the tunnel entrance, clear water is discharged into a sewer, and precipitates are discharged into a slag-soil tank.
Most of the existing sedimentation tanks utilize water pumps to pump out clean water after sewage and sediment are precipitated, and then sediment is dug out from the sedimentation tanks manually or by using digging machines and is discharged into a residue soil tank.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a separation system for tunnel sewage treatment, solves the problem of difficult muck discharge, enables the muck to be directly discharged into a muck pool by opening the bottom of a sedimentation tank, saves manpower and material resources, improves the construction efficiency and ensures the construction progress.
The technical scheme for realizing the purpose is as follows:
the invention provides a separation system for tunnel sewage treatment, which comprises:
excavating a residue soil pool formed at the periphery of the tunnel;
the box body is erected above the muck pool, and the top and the bottom of the box body are provided with openings, and the box body is used for accommodating sewage generated by tunnel construction; and
the bottom sealing structure can be arranged at the bottom of the box body in an opening and closing manner, and the residue soil precipitated in the box body is discharged into the residue soil pool by opening the bottom sealing structure.
According to the invention, the separation system for tunnel sewage treatment is adopted, the muck pool is excavated at the periphery of the tunnel, the box body with the bottom capable of being opened is erected on the muck pool, the sewage in the tunnel is introduced into the box body through the blow-off pipe, the separated supernatant after standing and settling is discharged outwards through the water outlet pipe, the bottom sealing structure is opened, the muck in the box body is poured into the muck pool, the muck is prevented from being excavated out of the sedimentation tank by using an excavator, the problem of difficult muck discharge is solved, the muck can be directly discharged into the muck pool by opening the bottom of the sedimentation tank, manpower and material resources are saved, the construction efficiency is improved, and the construction progress is ensured.
The separation system for tunnel sewage treatment is further improved in that a plurality of separation plates are arranged in the box body to separate and form a plurality of sedimentation spaces in the box body, the sedimentation spaces at two ends are respectively provided with a feed inlet and a discharge outlet, and the positions of the separation plates, which are close to the top of the box body, are provided with circulation holes for slurry to pass through;
the bottom sealing structure comprises a bottom plate which can be arranged in an openable and closable manner corresponding to the settling space, and the bottom plate is opened to discharge settled dregs in the corresponding settling space.
The separation system for tunnel sewage treatment is further improved in that the feed inlet is arranged at the position close to the top of the corresponding settling space, and the discharge outlet is arranged at the position close to the bottom of the corresponding settling space.
The separation system for tunnel sewage treatment is further improved in that the separation system further comprises a hoisting device arranged on one side of the box body, and the hoisting device comprises a lifting appliance capable of being adjusted in a lifting manner;
one side of the back cover structure is fixedly connected with the lifting appliance, the other side of the back cover structure is rotatably connected with the bottom of the corresponding side wall of the box body, and the lifting appliance is lifted or lowered to drive the bottom plate to rotate, so that the bottom of the box body is closed or opened.
The separation system for tunnel sewage treatment is further improved in that a hanging ring is fixedly arranged at a position of the back cover structure corresponding to the hanging tool, and the hanging ring is hooked by the hanging tool to be fixedly connected with the side part corresponding to the back cover structure.
The separation system for tunnel sewage treatment is further improved in that the separation system further comprises a support for supporting the box body, the support comprises vertical supports which are arranged in the residue soil pool at intervals corresponding to the partition plates, horizontal supports which are vertically connected to each vertical support and correspond to the partition plates, and inclined supports which are obliquely connected between the vertical supports and the horizontal supports, the box body is arranged on the horizontal supports, and the bottom plate is staggered with the horizontal supports.
The separation system for tunnel sewage treatment is further improved in that a horizontal support protrudes from the top part of the vertical support, a limiting plate is vertically connected to one end, far away from the vertical support, of the horizontal support, and the box body is arranged between the protruding part of the vertical support and the limiting plate.
The invention provides a construction method of a separation system for tunnel sewage treatment, which comprises the following steps:
providing the separation system, and discharging the sewage in the tunnel into the box body through a sewage discharge pipe;
standing the sewage in the settling tank body, and discharging the supernatant into a sewer through a water outlet pipe;
and opening the bottom sealing structure to discharge the residue soil precipitated in the box body from the bottom opening of the box body and pour the residue soil into the residue soil pool.
The invention is further improved in the using method of the separation system for tunnel sewage treatment, wherein a plurality of partition plates are arranged in the box body to separate and form a plurality of sedimentation spaces, the partition plates are provided with circulation holes, and the bottom of each sedimentation space is provided with a bottom plate;
let in corresponding sedimentation space with sewage through the blow off pipe, thereby and sewage realizes the hierarchical sediment through the circulation hole among the adjacent sedimentation space of inflow, and the upper clear liquid of separation flows in the sedimentation space of keeping away from the blow off pipe and discharges into the sewer through the outlet pipe, opens the sediment that the bottom plate depositd in order to discharge the sedimentation space.
The use method of the separation system for tunnel sewage treatment is further improved in that one side of the bottom plate is rotatably connected with the bottom of the box body, and the other side of the bottom plate is fixedly connected with a lifting appliance of a lifting device arranged on the side part of the box body;
and controlling the hoisting device to drive the lifting appliance to ascend or descend so as to drive the corresponding side part of the bottom plate to ascend or descend, so that the bottom plate rotates relative to the box body, and the bottom of the box body is closed or opened.
Drawings
FIG. 1 is a schematic view of the overall structure of the separation system for tunnel sewage treatment according to the present invention.
FIG. 2 is a schematic view showing the opened state of the bottom plate of the tank part in the separation system for tunnel sewage treatment according to the present invention.
FIG. 3 is a top view of a separate middle box portion for tunnel sewage treatment according to the present invention.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
Referring to fig. 1, the invention provides a separation system for tunnel sewage treatment, which comprises a slag-soil pool excavated around a tunnel, a box body with an openable bottom is erected on the slag-soil pool, sewage in the tunnel is introduced into the box body through a blow-off pipe, supernatant separated after standing and settling is discharged outwards through a water outlet pipe, a bottom sealing structure is opened, slag soil in the box body is poured into the slag-soil pool, the problem that the slag soil is difficult to discharge is solved by avoiding digging the slag soil out of a settling tank through an excavator, and the slag soil can be directly discharged into the slag-soil pool by opening the bottom of the settling tank, so that manpower and material resources are saved, the construction efficiency is improved, and the construction progress is ensured. The separation system for tunnel sewage treatment according to the present invention will be described with reference to the accompanying drawings.
Referring to fig. 1, fig. 1 is a schematic view of the overall structure of a separation system for tunnel sewage treatment according to the present invention. The separation system for tunnel sewage treatment according to the present invention will be described with reference to fig. 1.
As shown in fig. 1, the separation system for tunnel sewage treatment of the present invention comprises:
excavating a residue soil pool 11 formed at the periphery of the tunnel;
a box body 12 which is erected above the slag-soil pool 11 and is provided with openings at the top and the bottom, and is used for accommodating sewage generated by tunnel construction; and
a bottom sealing structure which is arranged at the bottom of the box body 12 in an openable and closable manner, and the residue soil precipitated in the box body 12 is discharged into the residue soil pool 11 by opening the bottom sealing structure.
As a preferred embodiment of the present invention, referring to fig. 3, a plurality of partition plates 123 are disposed inside the box body 12 to partition a plurality of settling spaces 1231 inside the box body 12, the settling spaces 1231 at two ends are respectively provided with a feed inlet 121 and a discharge outlet 122, the partition plate 123 is provided with a flow hole for slurry to pass through at a position close to the top of the box body 12, sewage passes through the plurality of settling spaces 1231 to achieve a fractional settling effect, so as to more clearly separate water and muck, and reduce moisture in the muck;
the bottom sealing structure includes a bottom plate 124 openably and closably disposed corresponding to the settling space 1231, and the settled sludge in the corresponding settling space 1231 is discharged by opening the bottom plate 124.
Preferably, the volume of the settling space 1231 near the inlet 121 is greater than the volume of the settling space 1231 near the outlet 122, so that the sewage can be more reasonably settled.
Specifically, this feed inlet 121 sets up in the position that the corresponding sedimentation space 1231 is close to the top in order to make things convenient for sewage to get into sedimentation space 1231, prevents the sewage refluence, and this discharge gate 122 sets up in the position that the corresponding sedimentation space 1231 is close to the bottom in order to make things convenient for the clear water can all flow out from the corresponding sedimentation space 1231, prevents that too much moisture from remaining in the corresponding sedimentation space 1231.
Further, a bracket 13 for supporting the box body 12 is further included, the bracket 13 includes vertical supports 131 spaced apart from the partition plates 123 in the slag bath 11 and corresponding to the partition plates 123, horizontal supports 132 vertically connected to each of the vertical supports 131, and diagonal supports 133 obliquely connected between the vertical supports 131 and the horizontal supports 132, the box body 12 is placed on the horizontal supports 132, and the bottom plate 124 is offset from the horizontal supports 132 such that the rotation of the bottom plate 124 is not restricted by the horizontal supports 132.
Preferably, the top portion of the vertical support 131 protrudes out of the horizontal support 132, a limit plate 134 is vertically connected to an end of the horizontal support 132 away from the vertical support 131, and the box 12 is placed between the protruding portion of the vertical support 131 and the limit plate 134 to prevent the box 12 from sliding off the horizontal support 132.
Preferably, the thickness of the partition plate 123 is larger than the width of the horizontal supports 132, so that the bottom plate 124 can rotate back and forth between the horizontal supports 132 after the box 12 is placed on the horizontal supports 132.
Further, as shown in fig. 2, the lifting device 125 is disposed at one side of the box 12, and the lifting device 125 includes a lifting device 1251 capable of being adjusted in a lifting manner;
the bottom plate 124 is fixedly connected to the spreader 1251 on one side, and rotatably connected to the bottom of the corresponding sidewall of the container 12 on the other side, and the spreader 1251 is raised or lowered to rotate the bottom plate 124, so as to open or close the bottom of the container 12.
Preferably, the bottom plate 124 is fixedly installed with a hanging ring corresponding to the position of the hanging device 1251, and the hanging ring is hooked by the hanging device 1251 to be fixedly connected with the corresponding side of the bottom plate 124.
Preferably, the lifting device 125 is a chain block, and the chain block is pulled counterclockwise or clockwise to raise or lower the lifting device 1251 of the chain block and drive the bottom plate to rotate, so as to open or close the bottom of the corresponding settling space 1231.
The specific implementation mode of the separation system for tunnel sewage treatment of the invention is as follows:
excavating a slag-soil pool 11 at a position close to the tunnel, mounting a bracket 13 in the slag-soil pool 11, and mounting a box body 12 on the bracket 13;
pumping sewage in the tunnel into a sewage discharge pipe through a pump body, entering the corresponding settling space 1231 through the feed inlet 121, flowing into the adjacent settling space 1231 through the circulation hole on the partition plate 123, performing fractional precipitation of a plurality of settling spaces 1231, and flowing into the settling space 1231 at the last section, wherein the settling space 1231 is supernatant separated from the sewage;
supernatant in the final-stage settling space 1231 is discharged from the water outlet pipe to the sewer through the discharge hole 122, the lifting device 125 is operated to enable the lifting appliance 1251 to descend, so that the bottom plate 124 moves downwards under the action of the muck and the self gravity, and rotates downwards relative to the box body 12, and the bottom of the corresponding settling space 1231 is opened, so that the muck in the settling space 1231 is discharged into the muck pool 11 below;
after the dregs are discharged, the lifting device 125 is operated to lift the lifting appliance 1251, so that the bottom plate 124 moves upwards under the action of pulling force, and then rotates upwards relative to the box body 12 to close the bottom of the corresponding settling space 1231, so that the sewage can be left in the settling space 1231.
The invention also provides a construction method of the separation system for tunnel sewage treatment, which comprises the following steps:
providing the separation system, and discharging the sewage in the tunnel into the box body 12 through a sewage discharge pipe;
standing the sewage in the settling tank body 12, and discharging the supernatant into a sewer through a water outlet pipe;
the bottom sealing structure is opened, so that the residue soil settled in the box body 12 is discharged from the bottom opening of the box body 12 and poured into the residue soil pool 11.
Further, a plurality of partition plates 123 are arranged inside the box body 12 to partition and form a plurality of settling spaces 1231, the partition plates 123 are provided with circulation holes, and the bottom of each settling space 1231 is provided with a bottom plate 124;
let in corresponding sedimentation space 1231 with sewage through the blow off pipe, thereby and sewage realizes the fractional precipitation in flowing into adjacent sedimentation space 1231 through the opening, and the supernatant fluid of separation flows into the sedimentation space 1231 of keeping away from the blow off pipe and discharges into the sewer through the outlet pipe, opens the dregs of sediment in bottom plate 124 in order to discharge sedimentation space 1231.
Specifically, one side of the base plate 124 is rotatably connected to the bottom of the box 12, and the other side of the base plate 124 is fixedly connected to a spreader 1251 of the lifting device 125 installed at the side of the box 12;
the lifting device 125 is controlled to drive the lifting device 1251 to ascend or descend to drive the corresponding side portion of the base plate 124 to ascend or descend, so that the base plate 124 rotates relative to the box 12 to close or open the bottom of the box 12.
The specific operation mode of the practical implementation of the using method provided by the invention is as follows:
excavating a slag-soil pool 11 at a position close to the tunnel, mounting a bracket 13 in the slag-soil pool 11, and mounting a box body 12 on the bracket 13;
pumping sewage in the tunnel into a sewage discharge pipe through a pump body, entering the corresponding settling space 1231 through the feed inlet 121, flowing into the adjacent settling space 1231 through the circulation hole on the partition plate 123, performing fractional precipitation of a plurality of settling spaces 1231, and flowing into the settling space 1231 at the last section, wherein the settling space 1231 is supernatant separated from the sewage;
supernatant in the final-stage settling space 1231 is discharged from the water outlet pipe to the sewer through the discharge hole 122, the lifting device 125 is operated to enable the lifting appliance 1251 to descend, so that the bottom plate 124 moves downwards under the action of the muck and the self gravity, and rotates downwards relative to the box body 12, and the bottom of the corresponding settling space 1231 is opened, so that the muck in the settling space 1231 is discharged into the muck pool 11 below;
after the dregs are discharged, the lifting device 125 is operated to lift the lifting appliance 1251, so that the bottom plate 124 moves upwards under the action of pulling force, and then rotates upwards relative to the box body 12 to close the bottom of the corresponding settling space 1231, so that the sewage can be left in the settling space 1231.
While the present invention has been described in detail and with reference to the embodiments thereof as illustrated in the accompanying drawings, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments are not to be interpreted as limiting, and the scope of the invention is to be determined by the appended claims.
Claims (10)
1. A separation system for tunnel sewage treatment, comprising:
excavating a slag pond formed on the periphery of the tunnel;
the box body is erected above the muck pool, and openings are formed in the top and the bottom of the box body, and the box body is used for accommodating sewage generated by tunnel construction; and
the bottom sealing structure can be arranged at the bottom of the box body in an opening and closing mode, and the residual soil precipitated in the box body is discharged into the residual soil pool by opening the bottom sealing structure.
2. The separation system for tunnel sewage treatment according to claim 1, wherein a plurality of partition plates are arranged inside the box body to separate and form a plurality of settling spaces in the box body, the settling spaces at two ends are respectively provided with a feed inlet and a discharge outlet, and the partition plates are provided with circulation holes for slurry to pass through at positions close to the top of the box body;
the bottom sealing structure comprises a bottom plate which can be arranged corresponding to the settling space in an opening and closing mode, and the bottom plate is opened to discharge the corresponding dregs settled in the settling space.
3. The separation system for tunnel sewage treatment of claim 2, wherein the inlet is disposed at a position near the top of the corresponding settling space, and the outlet is disposed at a position near the bottom of the corresponding settling space.
4. The separation system for tunnel sewage treatment according to claim 1 or 2, further comprising a lifting device disposed at one side of the tank, wherein the lifting device comprises a lifting tool capable of being adjusted in a lifting manner;
one side of the back cover structure is fixedly connected with the lifting appliance, the other side of the back cover structure is rotatably connected with the bottom of the corresponding side wall of the box body, and the lifting appliance is lifted or lowered to drive the back cover structure to rotate, so that the bottom of the box body is closed or opened.
5. The separation system for tunnel sewage treatment of claim 4, wherein a lifting ring is fixedly installed at a position of the bottom sealing structure corresponding to the lifting tool, and the lifting ring is hooked by the lifting tool to be fixedly connected with a side portion corresponding to the bottom sealing structure.
6. The separation system for tunnel sewage treatment according to claim 2, further comprising a support for supporting the box body, wherein the support comprises vertical supports spaced apart from each other corresponding to the partition plate in the muck pond, horizontal supports vertically connected to each of the vertical supports and corresponding to the partition plate, and diagonal supports obliquely connected between the vertical supports and the horizontal supports, the box body is placed on the horizontal supports, and the bottom plate is staggered from the horizontal supports.
7. The separation system for tunnel sewage treatment of claim 6, wherein the top portion of the vertical support protrudes out of the horizontal support, a limit plate is vertically connected to one end of the horizontal support far away from the vertical support, and the box body is placed between the protruding portion of the vertical support and the limit plate.
8. A construction method of the separation system for tunnel sewage treatment according to claim 1, comprising the steps of:
providing the separation system, and discharging the sewage in the tunnel into the box body through a sewage discharge pipe;
standing and precipitating the sewage in the box body, and discharging supernatant into a sewer through a water outlet pipe;
and opening the bottom sealing structure, so that the residue soil precipitated in the box body is discharged from the bottom opening of the box body and poured into the residue soil pool.
9. The use method of the separation system for tunnel sewage treatment according to claim 8, wherein a plurality of partition plates are arranged in the box body to partition and form a plurality of settling spaces, the partition plates are provided with flow holes, and the bottom of each settling space is provided with a bottom plate;
passing sewage through the blow off pipe lets in correspondingly the sedimentation space, and sewage passes through the opening flows into adjacently thereby realize hierarchical the sediment in the sedimentation space, and the supernatant fluid of separation flows into and keeps away from the blow off pipe among the sedimentation space and through the outlet pipe is discharged the sewer opens the bottom plate corresponds with the discharge sediment that deposits in the sedimentation space.
10. The method for using the separation system for tunnel sewage treatment of claim 9, wherein one side of the bottom plate is rotatably connected with the bottom of the tank, and the other side of the bottom plate is fixedly connected with a hanger of a hoisting device installed at the side of the tank;
and controlling the lifting device to drive the lifting appliance to ascend or descend so as to drive the corresponding side part of the bottom plate to ascend or descend, so that the bottom plate rotates relative to the box body, and the bottom of the box body is closed or opened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910977700.9A CN110639242A (en) | 2019-10-15 | 2019-10-15 | Separation system for tunnel sewage treatment and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910977700.9A CN110639242A (en) | 2019-10-15 | 2019-10-15 | Separation system for tunnel sewage treatment and construction method thereof |
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| Publication Number | Publication Date |
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| CN110639242A true CN110639242A (en) | 2020-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910977700.9A Pending CN110639242A (en) | 2019-10-15 | 2019-10-15 | Separation system for tunnel sewage treatment and construction method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114904327A (en) * | 2022-05-10 | 2022-08-16 | 中建八局轨道交通建设有限公司 | Slurry sedimentation device for shield tunnel and construction method thereof |
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| CN103771042A (en) * | 2012-10-26 | 2014-05-07 | 青特集团有限公司 | Container with cargoes unloaded from bottom |
| CN203946450U (en) * | 2013-12-04 | 2014-11-19 | 云南煤业能源股份有限公司 | A kind of self-unloading lift van |
| CN205441592U (en) * | 2016-01-26 | 2016-08-10 | 中国建筑第八工程局有限公司 | Super high -rise building rubbish temporary storage case |
| CN108261803A (en) * | 2018-02-24 | 2018-07-10 | 成都众鑫聚合科技有限公司 | A kind of sewage disposal sediment settlement system |
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2019
- 2019-10-15 CN CN201910977700.9A patent/CN110639242A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060196827A1 (en) * | 2004-09-01 | 2006-09-07 | Chin-Tuan Liao | Septic tank |
| CN103771042A (en) * | 2012-10-26 | 2014-05-07 | 青特集团有限公司 | Container with cargoes unloaded from bottom |
| CN203946450U (en) * | 2013-12-04 | 2014-11-19 | 云南煤业能源股份有限公司 | A kind of self-unloading lift van |
| CN205441592U (en) * | 2016-01-26 | 2016-08-10 | 中国建筑第八工程局有限公司 | Super high -rise building rubbish temporary storage case |
| CN108261803A (en) * | 2018-02-24 | 2018-07-10 | 成都众鑫聚合科技有限公司 | A kind of sewage disposal sediment settlement system |
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| CN114904327A (en) * | 2022-05-10 | 2022-08-16 | 中建八局轨道交通建设有限公司 | Slurry sedimentation device for shield tunnel and construction method thereof |
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Application publication date: 20200103 |
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