CN110980904A - River course water is transported and river course bed mud excavation transportation mode - Google Patents
River course water is transported and river course bed mud excavation transportation mode Download PDFInfo
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- CN110980904A CN110980904A CN201911318454.2A CN201911318454A CN110980904A CN 110980904 A CN110980904 A CN 110980904A CN 201911318454 A CN201911318454 A CN 201911318454A CN 110980904 A CN110980904 A CN 110980904A
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- river
- water
- transporting
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- sludge
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
- C02F11/143—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents using inorganic substances
- C02F11/145—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents using inorganic substances using calcium compounds
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/02—Stream regulation, e.g. breaking up subaqueous rock, cleaning the beds of waterways, directing the water flow
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
Abstract
The invention discloses a river water transfer and river sediment dredging transfer mode, which comprises the following contents: in the river water transfer process, construction of an interception dam is carried out on the upstream and the downstream of a river to be treated, and the river water to be transferred is intercepted in the interception dam; dividing the river channel into a plurality of areas, and partitioning by adopting an interception dam mode; firstly, flocculating and precipitating the river water throttled by the No. 1 subsection point and the No. 3 subsection point, pumping the river water to sewage treatment equipment by using a water pump, and transferring the river water until the river water throttled in the No. 1 subsection point and the No. n subsection point is transferred; the clear flow of transporting of digging of bed mud, when No. 4 segmentation points were transported to in river course water, No. 2 removable segmentation point interception dams carried out lime dehydration to the bottom of the pool, and the excavation operation of afterwards carrying out the excavator, excavation mud is stacked in mound district, carries out to processing terminal by the transport vechicle afterwards. Through the arrangement, the river water transfer and sludge excavation transfer are efficient, the operation cross degree is high, and the time is saved.
Description
Technical Field
The invention relates to the field of site restoration, in particular to a river water transfer and river sediment excavation transfer mode.
Background
The water body of the river channel is poor in fluidity, the river channel is not cleaned timely, the pollution of the water body of the river channel is caused by the discharge of domestic wastewater or industrial wastewater, the stacking of domestic garbage and other factors, and the atmospheric environment is influenced by the easy formation of stink.
Transporting polluted river course surface water and bottom mud to a treatment terminal is an ideal mode of river course treatment, the width of a river course is generally 5-20 m, the area of a polluted river reach is large, the conventional transportation idea is that sewage in the river course is transported to the treatment terminal by a tank car through a water pump, and the sludge is excavated and transported after the sewage is transported.
The above operation forms have the following defects that firstly, the operation period is long, the river surface water and the sludge are excavated in sequence, and the time period is influenced; second, in the flood period, since it is affected by the permeability of soil, even if there is an interception dam effect, upstream water may permeate into the treatment work, increasing the difficulty of the operation work.
Disclosure of Invention
The invention aims to provide a river water transfer and river sediment excavation transfer mode which has the characteristics of flexibility, construction period saving and low-cost operation.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a river course water is transported and river course bed mud excavation transportation mode, includes following process flow:
s1, intercepting river water from the head to the tail of the river section to be treated by adopting an interception dam;
s2, dividing the river reach into a plurality of areas by adopting an interception dam according to the length of the river reach, and numbering the areas from downstream to upstream by 1, 2 and 3 to n;
s3, placing the water treatment integrated equipment at a preset site;
s4, carrying out operation on wastewater transfer from downstream to upstream, and firstly carrying out flocculation precipitation on the intercepted river water between the No. 1 site and the No. 3 site;
s5, pumping river water to an integrated sewage treatment device by a centrifugal pump for pretreatment, and discharging or transferring the pretreated water to a corresponding sewage treatment mechanism as surface water standard according to the water quality condition;
s6, when the cut-off river water between the No. 1 and No. 3 sites is completely extracted, the No. 2 subsection point intercepting dam can be disassembled;
s7, dehydrating the bottom mud by using lime; determining the excavation depth, wherein the excavation depth is 0.5-1.5 m, and performing sludge excavation operation after dehydration;
s8, performing cement kiln operation on the stacked sludge to change waste into valuable, or performing landfill on a landfill site, or performing treatment on corresponding qualification units;
and S9, finishing the segmentation from No. 3 to No. 5, the segmentation from No. 5 to No. 7 to the n-2 or n-1 to n segmentation, and further transporting the excavation and transportation operation of the whole surface water and the sludge.
By the technical scheme, the river channel is segmented by arranging the interception dams, and the river channel water and the bottom mud of the river channel are respectively treated from the downstream, so that the operation method can avoid the influence of the upstream and the downstream on the river channel to be treated, and can carry out the treatment of the river channel water and the bottom mud of the river channel in a crossed manner, thereby greatly improving the working efficiency; and the mode repeatedly recycles the river water and the river sediment, and accords with the core value view of the current sustainable development.
Preferably, the width of the river channel head-tail intercepting dams, namely the No. 1 and No. n segmentation points, is 1.5-2m, and the height exceeds the water level by 300-500mm, and the width of the middle intercepting dam, namely the No. 2 to No. n-1 segmentation points, is 1-1.5m, and the height exceeds the water level by 300-500 mm.
Through the technical scheme, the width of the head and tail intercepting dam is wider, the river channel to be treated can be better isolated from the upstream and the downstream, and better construction is facilitated
Preferably, the total construction sequence of the wastewater transport operation is from downstream to upstream.
Through above-mentioned technical scheme, waste water is transported and is gone on from low reaches to the upper reaches in proper order, can avoid the influence of upper reaches, reduces the construction degree of difficulty.
Preferably, firstly, spraying flocculating agent on the interception parts of the No. 1 and No. 2 segmentation points, stirring by a floating stirrer, settling for 1-2h, and sequentially propelling the flocculation operation to the No. n segmentation points.
Through above-mentioned technical scheme, through the flocculation and precipitation of a certain time, can effectually clear away the impurity in the river course water, improve the standard of quality of water to better handle the river course water, and can not cause harmful effects to the environment.
Preferably, when the distance between the river channel segmentation points is more than 50m, the river channel water of the No. 1 and No. 2 inner segmentation points can be conveyed to the interception part of the No. 2 to No. 3 segmentation points, and the river channel water of the No. 2 to No. 3 segmentation points is pretreated in the integrated wastewater treatment equipment at the same time; if the distance between the river channel sectional points is less than 50m, the river channel water of the No. 1 and No. 2 sectional points can be directly extracted to wastewater treatment equipment for pretreatment operation; the river water transfer work is carried out towards the upstream in sequence.
Through above-mentioned technical scheme, can improve the treatment effeciency to the river course water.
Preferably, the pretreated surface water is treated or transported to a related sewage treatment plant according to the surface water standard according to the water quality condition.
Through the technical scheme, the pretreated surface water is treated or transferred to a related sewage treatment plant according to the surface water standard according to the water quality condition. The pretreated surface water is recycled, so that the waste of water resources can be avoided, and the adverse effect on the environment can be favorably avoided.
Preferably, after the surface water intercepted in the No. 1 and No. 3 subsection points is transferred, the interception dam of the No. 2 subsection point is dismantled, and then the sludge dewatering work of lime is carried out.
Through above-mentioned technical scheme, after the river course water has been extracted, demolish 2 a little interception dams and can increase the operation space, be favorable to the operation of main equipment, improve work efficiency.
Preferably, the working area is generally provided with 2 excavators, one for stirring lime and sludge to be uniformly mixed, and one for transferring the dewatered sludge to the sludge piling area, and the like in sequence upstream.
Through above-mentioned technical scheme, can improve the treatment effeciency to mud.
Preferably, the sludge in the mound area is transported to a corresponding treatment terminal, which is a cement kiln or a landfill or a corresponding treatment unit.
Through the technical scheme, the sludge in the soil piling area needs to be transferred to a corresponding treatment terminal, and the treatment terminal is a cement kiln or a landfill or a corresponding treatment unit. The sludge is recycled, the adverse effect of the sludge on the environment is avoided, and the national basic policy of sustainable development is met.
Compared with the prior art, the invention has the beneficial effects that:
(1) because the method is carried out in sections, the transfer of the surface water of the river channel and the excavation of the sludge can be carried out in a crossed way at the same time, so that the working period is shorter, the working efficiency is higher and the cost is lower under the condition of the same manpower and physical strength;
(2) by means of segmentation and treatment from downstream to upstream, the influence of the upstream water level is reduced to the minimum, and the operation difficulty can be effectively reduced.
Drawings
FIG. 1 is a schematic diagram of the partitioned transport of river water according to the present invention;
fig. 2 is a schematic diagram of the river bed mud excavation and transportation of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, an embodiment of the present invention is shown:
a river water transfer and river sediment dredging transfer mode comprises the following process flows:
and S1, intercepting river water from head to tail of the river section to be treated by adopting an interception dam. The river to be treated is in a static setting through the setting of the interception dam, so that the river can be treated more conveniently.
And S2, dividing the river reach into a plurality of areas by adopting an interception dam according to the length of the river reach, and numbering the areas from downstream to upstream by 1, 2, 3 to n.
The total construction sequence of the wastewater transfer operation is from downstream to upstream.
The width of the river channel head and tail intercepting dams, namely the No. 1 and No. n segmentation points, is 1.5-2m, the height exceeds the water level by 300-500mm, the width of the middle intercepting dam, namely the No. 2 to No. n-1 segmentation points, is 1-1.5m, and the height exceeds the water level by 300-500 mm.
The method can be made more element-wise clear by setting corresponding numbers. Meanwhile, the wastewater transfer is carried out from the downstream to the upstream in sequence, so that the influence of the upstream can be avoided, and the construction difficulty is reduced. And the width of the head-tail intercepting dam is wider, so that the riverway to be treated can be better separated from the upstream and the downstream, and better construction is facilitated.
And S3, placing the water treatment integrated equipment at a preset position. The integrated water treatment equipment is selected according to the length of a river channel to be treated, wherein the number of the integrated water treatment equipment can be placed in a plurality of ways, the requirement of the shortest transportation route is considered, and the position is generally placed at a central position.
S4, carrying out operation from downstream to upstream in the wastewater transfer work, and firstly carrying out flocculation precipitation on the intercepted river water between the No. 1 site and the No. 3 site.
Firstly, spraying flocculating agent on the intercepting parts of No. 1 and No. 2 segmentation points, stirring by a floating stirrer, settling for 1-2h, and sequentially propelling the flocculation operation to the No. n segmentation points.
Through the flocculation and precipitation of a certain time, can effectually clear away the impurity in the river course water, improve the standard of quality of water to better handle the river course water, and can not cause harmful effects to the environment.
S5, pumping the river water to the integrated sewage treatment equipment by the centrifugal pump for pretreatment, and discharging or transferring the pretreated water to a corresponding sewage treatment mechanism as surface water standard according to the water quality condition.
And (4) treating or transferring the pretreated surface water to a related sewage treatment plant according to the surface water standard according to the water quality condition. The pretreated surface water is recycled, so that the waste of water resources can be avoided, and the adverse effect on the environment can be favorably avoided.
When the distance between the river channel segmentation points is more than 50m, the river channel water of the No. 1 and No. 2 inner segmentation points can be conveyed to the interception part of the No. 2 to No. 3 segmentation points, and the river channel water in the No. 2 to No. 3 segmentation points is pretreated in the integrated wastewater treatment equipment at the same time; if the distance between the river channel sectional points is less than 50m, the river channel water of the No. 1 and No. 2 sectional points can be directly extracted to wastewater treatment equipment for pretreatment operation; the river water transfer work is carried out towards the upstream in sequence. Through the setting, the treatment efficiency of the river water can be improved.
And when the intercepting river water among the S6, the No. 1 site and the No. 3 site is extracted, the No. 2 subsection point intercepting dam can be disassembled. After the river water is extracted, the operation space can be increased by removing the No. 2 point interception dam, the operation of large-scale equipment is facilitated, and the working efficiency is improved.
S7, dehydrating the bottom mud by using lime; determining the excavation depth of 0.5-1.5 m, and performing sludge excavation operation after dehydration.
The operation area is generally provided with 2 excavators, one excavator is used for stirring lime and sludge to enable the lime and the sludge to be uniformly mixed, and the other excavator is used for transferring the dehydrated sludge to a sludge soil accumulation area and carrying out similar operation sequentially upstream.
And S8, performing cement kiln operation on the stacked sludge to change waste into valuable, or performing landfill on a landfill site, or performing treatment on corresponding qualification units.
The sludge in the soil piling area needs to be transferred to a corresponding treatment terminal, and the treatment terminal is a cement kiln or a landfill or a corresponding treatment unit. The sludge is recycled, the adverse effect of the sludge on the environment is avoided, and the national basic policy of sustainable development is met.
And S9, finishing the segmentation from No. 3 to No. 5, the segmentation from No. 5 to No. 7 to the n-2 or n-1 to n segmentation, and further transporting the excavation and transportation operation of the whole surface water and the sludge.
By the arrangement, the operation of corresponding segmentation is completed in sequence, and the numerical value of n is preferably an odd number, because if n is an odd number, the last operation section is just n-2 to n sections, the operation is more convenient; if n is even, a single segment may remain, and if the last segment remains, a separate operation is performed on that segment.
In conclusion, the beneficial effects of the invention are as follows: (1) because the method is carried out in sections, the transfer of the surface water of the river channel and the excavation of the sludge can be carried out in a crossed way at the same time, so that the working period is shorter, the working efficiency is higher and the cost is lower under the condition of the same manpower and physical strength; (2) by means of segmentation and treatment from downstream to upstream, the influence of the upstream water level is reduced to the minimum, and the operation difficulty can be effectively reduced.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. The utility model provides a river course water is transported and clear transport mode of digging of river course bed mud, its characterized in that: the method comprises the following process flows:
s1, intercepting river water from the head to the tail of the river section to be treated by adopting an interception dam;
s2, dividing the river reach into a plurality of areas by adopting an interception dam according to the length of the river reach, and numbering the areas from downstream to upstream by 1, 2 and 3 to n;
s3, placing the water treatment integrated equipment at a preset site;
s4, carrying out operation on wastewater transfer from downstream to upstream, and firstly carrying out flocculation precipitation on the intercepted river water between the No. 1 site and the No. 3 site;
s5, pumping river water to an integrated sewage treatment device by a centrifugal pump for pretreatment, and discharging or transferring the pretreated water to a corresponding sewage treatment mechanism as surface water standard according to the water quality condition;
s6, when the cut-off river water between the No. 1 and No. 3 sites is completely extracted, the No. 2 subsection point intercepting dam can be disassembled;
s7, dehydrating the bottom mud by using lime; determining the excavation depth, wherein the excavation depth is 0.5-1.5 m, and performing sludge excavation operation after dehydration;
s8, performing cement kiln operation on the stacked sludge to change waste into valuable, or performing landfill on a landfill site, or performing treatment on corresponding qualification units;
and S9, finishing the segmentation from No. 3 to No. 5, the segmentation from No. 5 to No. 7 to the n-2 or n-1 to n segmentation, and further transporting the excavation and transportation operation of the whole surface water and the sludge.
2. The river water transporting and river sediment excavation transporting method according to claim 1, characterized in that: the width of the river channel head and tail intercepting dams, namely the No. 1 and No. n segmentation points, is 1.5-2m, the height exceeds the water level by 300-500mm, the width of the middle intercepting dam, namely the No. 2 to No. n-1 segmentation points, is 1-1.5m, and the height exceeds the water level by 300-500 mm.
3. The river water transporting and river sediment excavation transporting method according to claim 1, characterized in that: the total construction sequence of the wastewater transfer operation is from downstream to upstream.
4. The river water transporting and river sediment excavation transporting method according to claim 1, characterized in that: firstly, spraying flocculating agent on the intercepting parts of No. 1 and No. 2 segmentation points, stirring by a floating stirrer, settling for 1-2h, and sequentially propelling the flocculation operation to the No. n segmentation points.
5. The river water transporting and river sediment excavation transporting method according to claim 1, characterized in that: when the distance between the river channel segmentation points is more than 50m, the river channel water of the No. 1 and No. 2 inner segmentation points can be conveyed to the interception part of the No. 2 to No. 3 segmentation points, and the river channel water in the No. 2 to No. 3 segmentation points is pretreated in the integrated wastewater treatment equipment at the same time; if the distance between the river channel sectional points is less than 50m, the river channel water of the No. 1 and No. 2 sectional points can be directly extracted to wastewater treatment equipment for pretreatment operation; the river water transfer work is carried out towards the upstream in sequence.
6. The river water transporting and river sediment excavation transporting method according to claim 1, characterized in that: and (4) treating or transferring the pretreated surface water to a related sewage treatment plant according to the surface water standard according to the water quality condition.
7. The river water transporting and river sediment excavation transporting method according to claim 1, characterized in that: and (3) after the surface water intercepted in the No. 1 and No. 3 segmentation points is transferred, removing the interception dam of the No. 2 segmentation point, and then performing sludge dewatering work on lime.
8. The river water transporting and river sediment excavation transporting method according to claim 1, characterized in that: the operation area is generally provided with 2 excavators, one excavator is used for stirring lime and sludge to enable the lime and the sludge to be uniformly mixed, and the other excavator is used for transferring the dehydrated sludge to a sludge soil accumulation area and carrying out similar operation sequentially upstream.
9. The river water transporting and river sediment excavation transporting method according to claim 1, characterized in that: the sludge in the soil piling area needs to be transferred to a corresponding treatment terminal, and the treatment terminal is a cement kiln or a landfill or a corresponding treatment unit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911318454.2A CN110980904A (en) | 2019-12-19 | 2019-12-19 | River course water is transported and river course bed mud excavation transportation mode |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911318454.2A CN110980904A (en) | 2019-12-19 | 2019-12-19 | River course water is transported and river course bed mud excavation transportation mode |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4252462A (en) * | 1979-01-30 | 1981-02-24 | Industrial Service International Corp. | Chemical landfill |
| CN104193095A (en) * | 2014-09-02 | 2014-12-10 | 南昌工程学院 | Sectional-type comprehensive treatment method for urban river course sewage |
| CN108609816A (en) * | 2018-07-19 | 2018-10-02 | 安徽华骐环保科技股份有限公司 | A kind of river sewage total system and its processing method |
| CN110002669A (en) * | 2019-03-29 | 2019-07-12 | 浙江农林大学 | A kind of city heavily contaminated river comprehensive processing method |
| CN209161788U (en) * | 2018-11-09 | 2019-07-26 | 深圳市深水水务咨询有限公司 | A kind of town sewage treatment system of the quasi- four class water of earth's surface up to standard |
-
2019
- 2019-12-19 CN CN201911318454.2A patent/CN110980904A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4252462A (en) * | 1979-01-30 | 1981-02-24 | Industrial Service International Corp. | Chemical landfill |
| CN104193095A (en) * | 2014-09-02 | 2014-12-10 | 南昌工程学院 | Sectional-type comprehensive treatment method for urban river course sewage |
| CN108609816A (en) * | 2018-07-19 | 2018-10-02 | 安徽华骐环保科技股份有限公司 | A kind of river sewage total system and its processing method |
| CN209161788U (en) * | 2018-11-09 | 2019-07-26 | 深圳市深水水务咨询有限公司 | A kind of town sewage treatment system of the quasi- four class water of earth's surface up to standard |
| CN110002669A (en) * | 2019-03-29 | 2019-07-12 | 浙江农林大学 | A kind of city heavily contaminated river comprehensive processing method |
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Application publication date: 20200410 |