CN210214997U - River course thin layer desilting system - Google Patents
River course thin layer desilting system Download PDFInfo
- Publication number
- CN210214997U CN210214997U CN201920470983.3U CN201920470983U CN210214997U CN 210214997 U CN210214997 U CN 210214997U CN 201920470983 U CN201920470983 U CN 201920470983U CN 210214997 U CN210214997 U CN 210214997U
- Authority
- CN
- China
- Prior art keywords
- sludge
- filter
- preliminary sedimentation
- suction
- suction device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Treatment Of Sludge (AREA)
- Filtration Of Liquid (AREA)
Abstract
The utility model relates to the technical field of river channel cleaning, and discloses a thin-layer dredging system for a river channel, which comprises a sludge suction device, a sewage suction device, a preliminary sedimentation adjusting device and a sludge filter pressing device; the sludge suction device is connected with the preliminary sedimentation adjusting device, and sludge from the sludge suction device is preliminarily precipitated in the preliminary sedimentation adjusting device; the sewage suction device and the preliminary sedimentation adjusting device are respectively connected with the sludge filter pressing device, and sludge from the sewage suction device and the preliminary sedimentation adjusting device is dewatered in the sludge filter pressing device. The system can visit the river bottom and absorb the sediment and clear up the river course lateral wall sediment, can not cause water pollution, and the treatment effeciency is high, with low costs.
Description
Technical Field
The utility model relates to a river course clearance technical field, concretely relates to river course thin layer desilting system.
Background
The river channel is used as a carrier for water resource transportation, and the river channel silts due to soil migration and deposition caused by the washing of running water and the deposition of other impurities such as algae contained in water in the long-term transportation process. The continuous accumulation of silt will lead to the riverbed to rise, causes the transport difficulty of water resource, has still led to the continuous increase of pollutant in the river course simultaneously, influences quality of water.
The traditional river channel dredging method comprises draining and dredging and underwater dredging. The drainage and dredging is a dredging method for constructing a temporary cofferdam at a construction section of a river channel, draining the water in the river channel and then performing dry excavation, and is suitable for rivers with small water volume. The underwater dredging is generally that a dredging machine is arranged on a ship, the dredging ship is used as a construction platform, dredging equipment is operated on the water surface to excavate sludge, and the sludge is conveyed to a storage yard on the bank through a pipeline conveying system, so that the underwater dredging is suitable for a river channel with large water quantity or deep ditches.
The sludge dug by draining and dredging needs to be transported by a muck truck or a concrete delivery pump, so that the sludge is easy to lose and generate secondary pollution in the transportation process, more manpower is needed, and the efficiency is lower. During underwater dredging, a large amount of river water is easy to be sucked out in the operation process, so that the subsequent sludge treatment difficulty is increased, and simultaneously, the sludge suction port of dredging equipment is easy to be blocked due to the complex components and different sizes of sludge in a river channel; and the disturbance to the river bottom is large in the dredging process, pollutants in the sludge can be suspended in river water, large-area pollution to water is easily caused, and the water quality is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the problem that current river channel desilting operation easily causes the pipeline to become silted up stifled, need complicated later stage transportation, inefficiency, with high costs and easily lead to water secondary pollution, providing a high efficiency, low cost and can not pollute the river channel thin layer desilting system of quality of water.
In order to realize the above purpose, the utility model provides a river course thin layer desilting system, this system include sediment suction device, dirt absorbing device, preliminary sediment adjusting device and silt filter pressing device.
The sludge suction device is connected with the preliminary sedimentation adjusting device, and sludge from the sludge suction device is preliminarily precipitated in the preliminary sedimentation adjusting device.
The sewage suction device and the preliminary sedimentation adjusting device are respectively connected with the sludge filter pressing device, and sludge from the sewage suction device and the preliminary sedimentation adjusting device is dewatered in the sludge filter pressing device.
Preferably, the sludge suction means, the preliminary sedimentation adjustment means and the sludge press filtration means are integrated in one container.
Preferably, the sludge suction device comprises a first pool sewage suction machine and a submersible pump, wherein the first pool sewage suction machine is used for submerging the bottom of the water body to suck sludge and is conveyed to the preliminary sedimentation adjusting device through the submersible pump.
Preferably, the length of the sewage suction pipe of the first pool sewage suction machine exceeds 5 meters, and the first pool sewage suction machine is provided with 5 different connectors.
Preferably, the soil pick-up apparatus comprises a second pool soil pick-up and a hose having a portable and movable head.
Preferably, the caliber of the sucker hose is 50-100 mm.
Preferably, the preliminary sedimentation adjusting apparatus includes a preliminary sedimentation unit for sedimenting and concentrating sludge and a sludge storage stirring unit for storing and homogenizing the concentrated sludge.
Preferably, the sludge filter pressing device is a plate-and-frame filter press.
Preferably, the plate-and-frame filter press comprises filter plates and filter frames with filtrate passages, the filter plates and the filter frames are arranged in parallel and alternately, filter cloth is clamped between each group of filter plates and filter frames, the filter plates and the filter frames are pressed through pressing ends, so that a filter pressing chamber is formed between each filter plate and the corresponding filter plate, and the filter cloth is polyester filter cloth.
Preferably, the motor of the plate-and-frame filter press is implemented hydraulically and controlled in a PLC control mode.
Preferably, the system still includes water storage tank, flocculation tank and sand filter, water storage tank is used for receiving to come from preliminary sedimentation adjusting device's supernatant and come from silt filter pressing device's filtrating, flocculation tank with water storage tank intercommunication is used for right water in the water storage tank carries out the flocculation, the sand filter is used for coming from the material in the flocculation tank filters.
Preferably, the sand filter is a quartz sand filter.
River course thin layer desilting system can visit the river bottom and absorb the sediment and clear up the river course lateral wall sediment, can not cause water pollution, and the treatment effeciency is high, with low costs.
Drawings
FIG. 1 is a schematic diagram of a system according to the present invention;
figure 2 is a dredging flow diagram of the system of the present invention.
Description of the reference numerals
1 sludge suction device 2 dirt suction device
3 preliminary sedimentation adjusting device 4 sludge filter pressing device
5 water storage tank 6 flocculation tank
7 sand filter 8 movable type transportation equipment
11 first swimming pool dirt suction devic 12 diving pump
21 suction head hose of second pool dirt suction machine 22
31 preliminary sedimentation unit 32 sludge storage and stirring unit
A 111 soil pick-up pipe 112 soil pick-up joint.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
The utility model provides a river course thin layer desilting system, figure 1 is the utility model discloses the schematic diagram of system. Referring to fig. 1, the system includes a sludge suction device 1, a sludge suction device 2, a preliminary sedimentation adjusting device 3, and a sludge press filtering device 4.
The sludge suction device 1 is connected to the preliminary sedimentation adjustment device 3, and sludge from the sludge suction device 1 is preliminarily precipitated in the preliminary sedimentation adjustment device 3.
The sewage suction device 2 and the preliminary sedimentation adjusting device 3 are respectively connected with the sludge filter pressing device 4, and sludge from the sewage suction device 2 and the preliminary sedimentation adjusting device 3 is dewatered in the sludge filter pressing device 4.
River course thin layer desilting system can visit the river bottom and absorb the sediment and clear up the river course lateral wall sediment, can not cause water pollution, and the treatment effeciency is high, with low costs.
Preferably, the sludge suction means 1, the sludge suction means 2, the preliminary sedimentation adjusting means 3 and the sludge press filtering means 4 are integrated in one container.
The devices of the system are integrated in a container, and the process equipment of the system can be manufactured into complete process equipment, so that the system is convenient for technical popularization and is suitable for different engineering projects.
Preferably, the sludge suction device 1 comprises a first pool sewage suction machine 11 and a submersible pump 12, wherein the first pool sewage suction machine 11 is used for submerging into the bottom of the water body to suck the sludge and is conveyed to the preliminary sedimentation adjusting device 3 through the submersible pump 12.
The first pool sewage suction machine 11 can quickly clean the bottom of a river channel, the submersible pump 12 has large flow, operates in a submerged mode during operation, is safe and reliable, and is particularly suitable for conveying liquid containing hard solids and fiber matters and particularly dirty, sticky and slippery liquid.
Preferably, the length of the soil suction pipe 111 of the first pool sewage suction machine 11 exceeds 5 meters, and the first pool sewage suction machine 11 is provided with 5 different soil suction joints 112.
The sewage suction pipe 111 of the first swimming pool sewage suction machine 11 is longer than 5 meters, can probe into the bottom of a river channel to suck bottom sediment substances, avoids sucking a large amount of river water when sucking sediment, and reduces the difficulty of subsequent treatment of the sediment.
First swimming pool dirt suction devic 11 is furnished with 5 kinds of different joints, conveniently absorbs the not co-altitude silted up material in river course different positions, avoids taking place blocking phenomenon.
Preferably, the soil pick-up assembly 2 includes a second pool soil pick-up 21 and a hose 22 having a portable and movable head.
Preferably, the bore of the tip hose 22 is 50-100 mm.
The water content of the sludge covered on the surface of the bank slope protection bricks on the two sides of the river channel and in the crack is low, the accumulation time is long, the sludge is not easy to clean, and the small-caliber suction head hose 22 which can be moved in a portable mode can suck the sludge in a targeted mode.
Preferably, the preliminary sedimentation adjusting apparatus 3 includes a preliminary sedimentation unit 31 for precipitating and concentrating sludge, and a sludge storage agitation unit 32, the sludge storage agitation unit 32 being used for storing and homogenizing the concentrated sludge.
The water content of the sludge sucked from the bottom of the river channel is high, the sludge can be precipitated and concentrated through the primary precipitation unit 31, and meanwhile, the supernatant flows back into the river channel, so that the subsequent dehydration efficiency is improved; the sludge storage and agitation unit 32 is used to achieve storage and homogenization of the concentrated sludge, avoiding clogging of the equipment.
In one embodiment, the sludge filter press apparatus 4 is a plate and frame filter press.
The plate-and-frame filter press is a device for realizing solid and liquid separation in industry, is used for separating solid and liquid phases of suspension, is widely applied to industries such as chemical industry, ceramics, petroleum, medicine, food, smelting and the like, and is also suitable for filtering industrial sewage. Sludge obtained after the sludge is dehydrated by the plate-and-frame filter press has higher solid content and is convenient to separate.
Preferably, the plate-and-frame filter press comprises filter plates and filter frames with filtrate passages, the filter plates and the filter frames are arranged in parallel and alternately, filter cloth is clamped between each group of filter plates and filter frames, the filter plates and the filter frames are pressed through pressing ends, so that a filter pressing chamber is formed between each filter plate and the corresponding filter plate, and the filter cloth is polyester filter cloth.
Preferably, the motor of the plate-and-frame filter press is implemented hydraulically and controlled in a PLC control mode.
The plate-and-frame filter press has the advantages of simple filtering structure, compact equipment, large filtering area, small occupied area, high operating pressure, high solid content of sludge cakes after sludge dehydration and strong adaptability to various materials, so the plate-and-frame filter press is widely used in the field of filtering and separating suspension.
The homogenized sludge flows in from the feed inlet of the plate-and-frame filter press, the filtered water is discharged from the filtrate outlet through the filter plate and the filter frame, the mud cake is accumulated on the filter cloth in the frame, and the mud cake is easy to peel off after the filter plate and the filter frame are loosened. And the cast iron plate-and-frame filter press has the advantages of heavy equipment weight, stable performance, simple operation, high solid content of mud cakes and strong applicability.
In one embodiment, the filter cloth is a dacron filter cloth. The terylene filter cloth has strong corrosion resistance, and does not generate toxic and harmful substances in the filtering process, so the terylene filter cloth is suitable for sludge dewatering and filtering.
The motor of the plate-and-frame filter press is hydraulically executed and is controlled by adopting a PLC control mode, so that the reliability, the stability and the safety of equipment control are improved.
Preferably, the system further comprises a water storage tank 5, a flocculation tank 6 and a sand filter 7, wherein the water storage tank 5 is used for receiving the supernatant from the preliminary sedimentation adjusting device 3 and the filtrate from the sludge filter pressing device 4, the flocculation tank 6 is communicated with the water storage tank 5 and is used for flocculating the water in the water storage tank 5, and the sand filter 7 is used for filtering the materials from the flocculation tank 5.
Preferably, the sand filter 7 is a quartz sand filter.
The water storage tank 5 the flocculation tank 6 and the sand filter 7 jointly realize the purification treatment of the supernatant of the primary sedimentation adjusting device 31 and the filtrate of the sludge filter pressing device 4, so that the secondary pollution caused by the backflow into the river channel is avoided, and the water quality is influenced.
In a preferred embodiment, the sand filter 7 is a quartz sand filter.
Quartz sand filtration is one of the most effective means for removing suspended substances in water. The quartz sand filter is an important device in sewage advanced treatment and sewage recycling, has the advantages of high filtering speed, high filtering precision, large sewage interception capacity and the like, and has the function of further removing flocculated pollutants in water, and the aim of purifying water is fulfilled by the interception, sedimentation and adsorption of filter material quartz sand.
Figure 2 is a dredging flow diagram of the system of the present invention. Referring to fig. 2, the present invention also provides a method for dredging a thin layer of a river, which comprises the following steps:
(a) putting a sewage suction pipe 111 and a sewage suction joint 112 of the first pool sewage suction machine 11 into the water bottom, wherein the sewage suction pipe 111 extends into the sludge at the bottom of the river channel to suck the sludge at the bottom of the river channel, and conveying the sludge to the preliminary sedimentation unit 31 for sedimentation and concentration through a submersible pump 12;
(b) the sludge precipitated and concentrated in step (a) enters a sludge storage stirring unit 32 for storage and homogenization;
(c) conveying the sludge homogenized in the step (b) to the plate-and-frame filter press for dewatering;
(d) absorbing the sludge covered on the surface of the bank slope protective bricks on the two sides of the river and in the crack by using the second swimming pool dirt absorbing machine 21 and the suction head hose 22, and conveying the sludge into the plate-and-frame filter press for dewatering;
(e) collecting and conveying the supernatant of the preliminary sedimentation unit 31 in the step (a) and the filtrate of the plate-and-frame filter press in the steps c and d into the water storage tank 5, wherein the flocculation tank 6 is communicated with the water storage tank 5, and a food-grade flocculant is added into the flocculation tank 6 to flocculate the water from the water storage tank 5;
(f) filtering the flocculated material obtained in the step (e) by using the quartz sand filter, and discharging the water obtained after filtering into a river channel;
(g) and (d) transporting the mud cakes obtained after dehydration in the step (c) and the step (d) out by using a mobile transportation device 8, and treating the mud cakes according to dregs.
In one embodiment, the food-grade flocculant is food-grade polyacrylamide, and the mobile transportation device 8 is a van.
The method can effectively clean the sediment at the bottom of the river and the sediment on the side wall of the river, can not cause water pollution, and has high treatment efficiency and low cost.
In a concrete implementation of system, adopt first swimming pool dirt suction devic 11 with immersible pump 12 extracts the river course bottom deposit, and carry preliminary precipitation unit 31 deposits, concentrates, and the deposit after depositing the concentration treatment gets into the deposit is stored stirring unit 32 and is stored and the homogeneity, and the deposit after the homogeneity is handled gets into and dewaters in the plate and frame filter press and filter. And pumping the sludge on the surface of the bank slope protective brick on the side wall of the river channel and in the crack by using a second swimming pool sewage suction machine 21 and a suction head hose 22, and directly sending the sludge into a plate-and-frame filter press for dehydration and filtration. The purification treatment of the supernatant of the primary precipitation unit 31 and the filtrate of the plate-and-frame filter press is realized by the water storage tank 5, the flocculation tank 6 and the quartz sand filter together, and then the supernatant flows back to the river channel to avoid polluting the water quality of the river channel. The mud cake obtained after the filtration of the plate-and-frame filter press is transported away by a van vehicle and is treated according to the dregs, so that sanitary landfill or resource utilization can be carried out. Whole river course thin layer silt is handled and is gone on the river course bank, has avoided the transportation of silt and the secondary pollution that probably causes in the transportation, and treatment effeciency height, with low costs.
The preferred embodiments of the present invention have been described in detail above, but the present invention is not limited thereto. In the technical idea scope of the present invention, it can be right to the technical solution of the present invention perform multiple simple modifications, including each technical feature combined in any other suitable manner, these simple modifications and combinations should be regarded as the disclosed content of the present invention, and all belong to the protection scope of the present invention.
Claims (10)
1. A thin layer dredging system for a river channel is characterized by comprising a sludge suction device (1), a sewage suction device (2), a primary sedimentation adjusting device (3) and a sludge filter pressing device (4);
the sludge suction device (1) is connected with the preliminary sedimentation adjusting device (3), sludge from the sludge suction device (1) is preliminarily precipitated in the preliminary sedimentation adjusting device (3);
the sewage suction device (2) and the preliminary sedimentation adjusting device (3) are respectively connected with the sludge filter pressing device (4), and sludge from the sewage suction device (2) and the preliminary sedimentation adjusting device (3) is dewatered in the sludge filter pressing device (4).
2. A system according to claim 1, characterized in that the sludge suction device (1), the sludge suction device (2), the preliminary sedimentation adjustment device (3) and the sludge press filtration device (4) are integrated in one container.
3. A system according to claim 1 or 2, characterized in that the sludge suction device (1) comprises a first pool suction pump (11) and a submersible pump (12), the first pool suction pump (11) being submerged in the bottom of the body of water to suck sludge and being delivered by the submersible pump (12) to the preliminary sedimentation adjustment device (3).
4. A system as claimed in claim 3, wherein said first pool cleaner (11) has a dirt suction pipe (111) length of more than 5 meters, and said first pool cleaner (11) is provided with 5 different dirt suction connections (112).
5. A system according to claim 1 or 2, wherein the soil pick-up (2) comprises a second pool soil pick-up (21) and a hose (22) having a portable and movable suction head.
6. A system according to claim 1 or 2, characterized in that the preliminary sedimentation adjustment device (3) comprises a preliminary sedimentation unit (31) and a sludge storage and agitation unit (32), the preliminary sedimentation unit (31) being adapted to sediment and concentrate sludge, and the sludge storage and agitation unit (32) being adapted to store and homogenize concentrated sludge.
7. The system according to claim 1 or 2, characterized in that the sludge press filtration device (4) is a plate and frame filter press.
8. The system of claim 7, wherein the plate-and-frame filter press comprises filter plates and filter frames with filtrate passages, the filter plates and the filter frames are arranged in parallel and alternately, each group of filter plates and filter frames sandwich filter cloth, the filter plates and the filter frames are pressed by the pressing ends to form a filter pressing chamber between the filter plates, and the filter cloth is dacron filter cloth.
9. The system according to claim 1 or 2, characterized in that the system further comprises a water storage tank (5), a flocculation tank (6) and a sand filter (7), the water storage tank (5) is adapted to receive supernatant from the primary sedimentation adjustment device (3) and filtrate from the sludge press filtration device (4), the flocculation tank (6) is in communication with the water storage tank (5) for flocculating water in the water storage tank (5), and the sand filter (7) is adapted to filter material from the flocculation tank (6).
10. A system according to claim 9, characterized in that the sand filter (7) is a quartz sand filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920470983.3U CN210214997U (en) | 2019-04-09 | 2019-04-09 | River course thin layer desilting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920470983.3U CN210214997U (en) | 2019-04-09 | 2019-04-09 | River course thin layer desilting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210214997U true CN210214997U (en) | 2020-03-31 |
Family
ID=69922807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920470983.3U Active CN210214997U (en) | 2019-04-09 | 2019-04-09 | River course thin layer desilting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210214997U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110015780A (en) * | 2019-04-09 | 2019-07-16 | 北京京创净源环境技术研究院有限公司 | A kind of method of river thin layer desilting system and river thin layer dredging |
| CN112757470A (en) * | 2020-12-31 | 2021-05-07 | 中铁工程服务有限公司 | Brick-making recycling method for shield muck |
-
2019
- 2019-04-09 CN CN201920470983.3U patent/CN210214997U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110015780A (en) * | 2019-04-09 | 2019-07-16 | 北京京创净源环境技术研究院有限公司 | A kind of method of river thin layer desilting system and river thin layer dredging |
| CN112757470A (en) * | 2020-12-31 | 2021-05-07 | 中铁工程服务有限公司 | Brick-making recycling method for shield muck |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102644302B (en) | Sludge processing system for watercourses and lakes and processing method thereof | |
| CN210214997U (en) | River course thin layer desilting system | |
| CN108275861A (en) | A kind of environment-friendly type river bottom mud dehydration and drying ship | |
| CN110015780A (en) | A kind of method of river thin layer desilting system and river thin layer dredging | |
| CN108046448A (en) | A kind of underground mine water treatment system and processing method | |
| CN111517608A (en) | Method for rapidly dewatering dredging soil engineering pipe bag on site | |
| CN113521808B (en) | New process for treating tap water tail water | |
| CN107459173A (en) | The PH callback processing systems and its method of work of a kind of acid-base property contaminant water | |
| WO2013191245A1 (en) | Turbid-water treatment system and turbid-water treatment method | |
| CN106977073B (en) | Ecological dredging integrated system | |
| CN218589883U (en) | Ship-borne dredging slurry instant drying treatment system | |
| CN116290182A (en) | Medium-sized shipborne movable cutter suction and automatic filter pressing silt system and river dredging process | |
| CN215250117U (en) | Marine dredged material processing device | |
| KR20120105770A (en) | Dredging apparatus of exhaust possibility filtration system | |
| CN210711173U (en) | Sewage treatment facility | |
| CN210656492U (en) | Sewage treatment plant is used in water conservancy construction | |
| CN208632333U (en) | Efficient printing and dyeing wastewater treatment system | |
| CN209815733U (en) | Novel swash plate oil interceptor | |
| CN202945109U (en) | Vehicle-mounted continuous wastewater treatment system and wastewater tanks thereof | |
| CN206560706U (en) | A kind of more medium filter | |
| CN207259289U (en) | A kind of oily wastewater purification of water quality Environmental-protecting treater | |
| CN212864491U (en) | Landfill leachate water quality purification and leachate treatment system | |
| CN217947926U (en) | Garbage leachate integrated treatment device of garbage transfer station | |
| CN221500744U (en) | Mud sewage treatment system | |
| CN219973330U (en) | Large-scale shipborne movable cutter suction and automatic sludge filter pressing system for dredging river channel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |