CN108396806B - Integrated treatment system and method for lake water environment treatment - Google Patents
Integrated treatment system and method for lake water environment treatment Download PDFInfo
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- CN108396806B CN108396806B CN201810102389.9A CN201810102389A CN108396806B CN 108396806 B CN108396806 B CN 108396806B CN 201810102389 A CN201810102389 A CN 201810102389A CN 108396806 B CN108396806 B CN 108396806B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/28—Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways
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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
- C02F7/00—Aeration of stretches of water
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/8808—Stationary installations, e.g. installations using spuds or other stationary supports
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Environmental & Geological Engineering (AREA)
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- Chemical & Material Sciences (AREA)
- Water Supply & Treatment (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Treatment Of Sludge (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
The invention discloses an integrated treatment system and method for lake water environment treatment, which comprises a sludge suction net and an aeration device, wherein the sludge suction net is connected with a sludge discharge pipe through a sludge lifting pipe, a sludge pump is arranged on the sludge discharge pipe, a controller is connected on the sludge pump, the sludge suction net comprises a main sludge conveying pipe and auxiliary sludge conveying pipes, the main sludge conveying pipes are horizontally distributed at equal intervals, the auxiliary sludge conveying pipes are crossly arranged between the two parallel main sludge conveying pipes, and the aeration device is connected with the sludge suction net through a chain rope. The construction method comprises the following steps: measuring and lofting, dredging the lake bottom, arranging a mud suction net, installing an aeration device and performing system test operation. The method can regularly clean the sludge at the bottom of the lake, reduce the deposition of the lake sediment, further reduce the release of nutrient substances in the sediment into the water body, has low maintenance cost, has simple steps, can meet the treatment of the lake sediment with different sizes and areas, is favorable for keeping the water quality of the water body for a long time, and simultaneously increases the oxygen content in the water body.
Description
Technical Field
The invention relates to an integrated treatment system and method for lake water environment treatment.
Background
Due to the existence of the pollution load of the internal source, even under the condition that the discharge of pollution sources from the exterior of the lake, such as industrial and agricultural wastewater and domestic sewage, is effectively controlled, the pollution of the lake water is still not obviously controlled, and the main reason is the pollution of the pollution load of the internal source.
TN released by the lake sediment accounts for 18.5 percent of the total pollution amount, TP accounts for 29.4 percent of the total pollution amount, and even if the pollution entering the lake from the outside is completely controlled, only the sediment in the lake is released and re-suspended and dissolved under the action of power, so that the algae can be rapidly propagated. Exogenous pollution of lakes is reduced, water quality is improved, but pollutants in bottom sediment can be released to a certain degree, and nutrients in the polluted bottom sediment can be released into a water body again, so that water quality pollution is caused.
Disclosure of Invention
The invention aims to provide a technical scheme of an integrated treatment system and method for lake water environment treatment aiming at the defects in the prior art, not only can regularly clean sludge at the bottom of a lake to reduce the deposition of lake sediment and further reduce the release of nutrient substances in the sediment into a water body, but also has low maintenance cost.
In order to solve the technical problems, the invention adopts the following technical scheme:
an integrated treatment system for lake water environment treatment is characterized in that: the sludge suction net is connected with a sludge discharge pipe through a sludge lifting pipe, a sludge pump is arranged on the sludge discharge pipe, a controller is connected with the sludge pump, the sludge suction net comprises a main sludge conveying pipe and auxiliary sludge conveying pipes, the main sludge conveying pipes are distributed at equal intervals horizontally, the auxiliary sludge conveying pipes are arranged between the two parallel main sludge conveying pipes in a crossed manner, and the aeration device is connected with the sludge suction net through a chain rope; through the design of inhaling the mud net, can regularly clear up the silt of lake bottom, reduce the deposit of lake sediment, and then reduce the nutrient substance release in the sediment to the water, the dredge pump provides power for the discharge of sediment, the silt that will inhale in the mud net is through mud lift pipe and mud pipe output, the flexible operation is convenient, main mud pipe and supplementary mud pipe cross distribution, it is more thorough to make lake sediment clearance, the pollution of source load in the lake has effectively been reduced, although the construction is complicated relatively in earlier stage, but the long and distant water treatment effect of lake is better, the treatment cost is low.
Furthermore, the sludge suction net and the sludge lifting pipe are respectively and fixedly connected to the bottom and the side wall of the lake through locking supports, the locking supports improve the stability and the reliability of the connection of the sludge suction net, the sludge lifting pipe and the bottom and the side wall of the lake, and the service life of the integrated treatment system is prolonged.
Further, main defeated mud pipe and supplementary defeated mud pipe all include defeated mud body and protective structure, defeated mud body is located protective structure, protective structure includes top layer gland and backup pad, the top layer gland is located the top of defeated mud body, and the top layer gland passes through the stiffener and connects defeated mud body, the both sides joint support board of top layer gland, design through protective structure, can play the effect of protection defeated mud body, the pressure bearing strength of main defeated mud pipe and supplementary defeated mud pipe has been improved greatly, can not directly be broken by great stone, top layer gland and backup pad can keep off the pressure of top and left and right side direction respectively, the effect of secondary protection is played defeated mud body.
Further, evenly be provided with the mud suction hole on the side of defeated mud body, the bed mud can get into defeated mud body through the mud suction hole, can effectively clear up most silt in lake bottom, and the cleaning efficiency is high, and the maintenance cost is low, is favorable to keeping the quality of water of lake water for a long time.
Further, the backup pad is improved level and is provided with the second filter screen, and the second filter screen can prevent effectively that the granule impurity in the bed mud from getting into defeated mud body, and then leads to the fact the jam to the suction hole, influences the normal work of main defeated mud pipe and supplementary defeated mud pipe.
Further, the aeration device comprises a suspension block and a guide plate, the guide plate is connected above the suspension block through a support rod, a solar panel is arranged on the guide plate, a groove is arranged on the top surface of the suspension block, a storage battery and an injection mechanism are arranged in the groove, the injection mechanism is positioned on two sides of the storage battery, a water storage tank is arranged in the suspension block, a main drainage pipe is arranged on the top surface of the water storage tank, an aeration pump is arranged on the main drainage pipe, the main drainage pipe is connected with the injection mechanism through a diversion pipe, water suction pipes are symmetrically arranged on two sides of the water storage tank, the solar panel can provide continuous electric energy for the normal work of the aeration device and can store the electric energy through the storage battery, the storage battery provides electric energy for the injection mechanism and the aeration pump, lake water enters the water storage tank through the water suction pipes, and, aeration is realized, and the oxygen content in the water body is increased.
Further, injection mechanism includes revolving stage and injection pipe, and revolving stage fixed connection is in the recess, and the injection pipe rotates to be connected on the revolving stage, and the injection pipe can rotate along the revolving stage, adjusts the injection angle.
Furthermore, a one-way electromagnetic valve is arranged on the water suction pipe, a first filter screen is arranged at the end part of the water suction pipe, the one-way electromagnetic valve can control the opening and closing of the water suction pipe, and the first filter screen can prevent impurities such as weeds in the water body from entering the water suction pipe to cause blockage.
The method for treating the lake water body by using the integrated treatment system for treating the lake water environment is characterized by comprising the following steps of:
1) survey lofting
a. Firstly, drawing a lake graph through three-dimensional modeling, determining a layout scheme of a pipe network and an installation position of an aeration device according to the area of a lake plane structure, determining the installation position and the number of mud pumps on the outer side surface of the lake, and drawing a construction drawing;
b. then, cleaning weeds at the construction position on the outer side surface of the lake according to a construction drawing, and making a safety prompt mark;
c. then, arranging constructors, carrying out technical bottom-crossing work, preparing corresponding machine tool equipment, and carrying out trial operation on the construction machines entering the field to ensure that construction is carried out smoothly;
2) dredging at the bottom of lake
After the lofting to be measured is finished, sludge at the bottom of the lake is cleaned for the first time through the dredger ship, the cleaning sequence is carried out from left to right in sequence, and the cleaning area is not less than 6m at each time2Until the sludge on the bottom surface of the whole lake is cleaned once;
3) sludge suction net arrangement
a. After the sludge on the bottom surface of the lake is cleaned, firstly, distributing the horizontal linear buoys on the water surface of the lake along the marking requirements of a construction drawing, and installing first limiting rods at positions of 3-5 m at equal intervals on each horizontal linear buoy, so that the bottom ends of the first limiting rods are vertically inserted to the bottom of the lake until all the horizontal linear buoys are completely distributed;
b. then, the prepared main mud conveying pipes are lowered to corresponding positions of the bottom of the lake along corresponding horizontal linear buoys through a lifting ship, top layer pressing covers are fixedly connected to the upper portions of the main mud conveying pipes, after one main mud conveying pipe is lowered, a supporting plate with a second filter screen is installed on the side face of a mud conveying pipe body of each corresponding main mud conveying pipe, sludge and stones around the main mud conveying pipes are removed before the supporting plates are installed, the supporting plates are vertically fixed to the bottom of the lake, locking supports are installed on the top layer pressing covers at equal intervals, and meanwhile the corresponding horizontal linear buoys and first limiting rods at the corresponding positions are removed until all the main mud conveying pipes are installed;
c. arranging sludge lifting pipes at two ends of each main sludge conveying pipe along the inclined plane of the lake, fixing the sludge lifting pipes on the inclined plane of the lake through locking supports, enabling the distance between the top ends of the sludge lifting pipes and the lake embankment to be less than 50cm, then installing sludge discharging pipes into a set sludge storage tank along the horizontal direction, installing a sludge pump on each sludge discharging pipe, and connecting a controller on each sludge pump;
d. then, distributing the oblique line buoys on the water surface of the lake along the marking requirements of the construction drawing, and installing second limiting rods at positions of each oblique line buoy at equal intervals of 3-5 m, so that the bottom ends of the second limiting rods are vertically inserted into the bottom of the lake until all the oblique line buoys are completely distributed;
e. then, the prepared auxiliary mud conveying pipes are lowered to corresponding positions of the bottom of the lake along corresponding oblique line buoys through a lifting ship, top layer pressing covers are fixedly connected above mud conveying pipe bodies of the auxiliary mud conveying pipes, after one auxiliary mud conveying pipe is lowered, two ends of the mud conveying pipe bodies of the auxiliary mud conveying pipes are respectively connected with two adjacent main mud conveying pipes, then supporting plates with second filter screens are installed on two sides of the corresponding auxiliary mud conveying pipes, sludge and stones around the main mud conveying pipes are removed before the supporting plates are installed, the supporting plates are vertically fixed to the bottom of the lake, locking supports are installed on the top layer pressing covers at equal intervals, the corresponding oblique line buoys and the second limiting rods at the corresponding positions are removed at the same time, and all the auxiliary mud conveying pipes are installed completely;
4) aeration device installation
After the mud suction net is completely arranged, putting an aeration device at a set position on the water surface of the lake, and fixedly connecting the bottom surface of the aeration device with the mud suction net through a chain rope;
5) commissioning of the system
After the integrated treatment system is installed, firstly, a mud pump on the mud discharging pipe is started to observe the conveying capacity of each mud discharging pipe, and simultaneously, an aeration pump on the aeration device is started to observe the working condition of the injection mechanism and control the water quantity of a water storage tank in the aeration device.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
1. through the design of the sludge suction net, sludge at the bottom of the lake can be cleaned regularly, the deposition of the lake bottom sludge is reduced, and then the release of nutrient substances in the bottom sludge into a water body is reduced;
2. the sludge pump provides power for discharging the bottom sludge, and the sludge in the sludge suction net is output through the sludge lifting pipe and the sludge discharge pipe, so that the operation is flexible and convenient;
3. the main sludge conveying pipes and the auxiliary sludge conveying pipes are distributed in a crossed manner, so that the lake sediment is cleaned more thoroughly, the pollution of source load in the lake is effectively reduced, and although the early construction is relatively complex, the long-term water body treatment effect on the lake is better and the treatment cost is low;
4. the construction method has simple steps, can meet the requirements of lake sediment treatment of different sizes and areas, is favorable for keeping the water quality of the water body for a long time, and simultaneously increases the oxygen content in the water body.
Description of the drawings:
the invention will be further described with reference to the accompanying drawings in which:
FIG. 1 is a schematic structural diagram of an integrated treatment system used in lake water environment treatment and a method thereof.
FIG. 2 is a schematic view showing the distribution of the suction net according to the present invention;
FIG. 3 is a schematic view showing the structure of an aeration apparatus according to the present invention;
FIG. 4 is a schematic structural view of a main mud conveying pipe and an auxiliary mud conveying pipe in the invention;
fig. 5 is a schematic structural view in the direction a in fig. 4.
In the figure: 1-a mud suction net; 2-a sludge lifting pipe; 3, a sludge discharge pipe; 4-locking the bracket; 5-a mud pump; 6-a controller; 7-an aeration device; 8-chain rope; 9-main mud conveying pipe; 10-auxiliary mud conveying pipe; 11-a suspension block; 12-a guide plate; 13-a solar panel; 14-a support bar; 15-a storage battery; 16-a groove; 17-a water storage tank; 18-a suction pipe; 19-one-way solenoid valve; 20-a first filter screen; 21-a main drainage pipe; 22-an aeration pump; 23-a shunt tube; 24-a turntable; 25-a jet pipe; 26-a mud conveying pipe body; 27-top layer gland; 28-a support plate; 29-a second filter; 30-a mud suction hole; 31-reinforcing rods.
Detailed Description
As shown in fig. 1 to 5, the integrated treatment system for lake water environment treatment of the present invention comprises a sludge suction net 1 and an aeration device 7, wherein the sludge suction net 1 is connected with a sludge discharge pipe 3 through a sludge lift pipe 2, the sludge suction net 1 and the sludge lift pipe 2 are respectively and fixedly connected to the bottom and the side wall of the lake through a locking support 4, the locking support 4 improves the stability and reliability of the connection of the sludge suction net 1, the sludge lift pipe 2 and the bottom and the side wall of the lake, and prolongs the service life of the integrated treatment system, a sludge pump 5 is arranged on the sludge discharge pipe 3, and a controller 6 is connected to the sludge pump 5.
The mud absorbing net 1 comprises a main mud conveying pipe 9 and an auxiliary mud conveying pipe 10, the main mud conveying pipes 9 are distributed at equal intervals horizontally, the auxiliary mud conveying pipes 10 are arranged between the two main mud conveying pipes 9 which are parallel to each other in a crossed manner, each of the main mud conveying pipes 9 and the auxiliary mud conveying pipes 10 comprises a mud conveying pipe body 26 and a protective structure, the mud conveying pipe bodies 26 are positioned in the protective structure, the protective structure comprises a top-layer gland 27 and a support plate 28, the top-layer gland 27 is positioned above the mud conveying pipe bodies 26, the top-layer gland 27 is connected with the mud conveying pipe bodies 26 through reinforcing rods 31, the support plates 28 are connected to two sides of the top-layer gland 27, the effect of protecting the mud conveying pipe bodies 26 can be achieved through the design of the protective structure, the pressure bearing strength of the main mud conveying pipes 9 and the auxiliary mud conveying pipes 10 is greatly improved, the main mud conveying pipes and the auxiliary mud conveying pipes 10 cannot be directly crushed by larger stones, the top-layer gland 27 and the support plates 28 can respectively resist, evenly be provided with on the side of defeated mud body 26 and inhale mud hole 30, the bed mud can get into defeated mud body 26 through inhaling mud hole 30, can effectively clear up most silt in lake bottom, the cleaning efficiency is high, the maintenance cost is low, be favorable to keeping the quality of water of lake water for a long time, the level is provided with second filter screen 29 on the backup pad 28, second filter screen 29 can effectively prevent that the granule impurity in the bed mud from getting into defeated mud body 26, and then causes the jam to inhaling mud hole 30, influence the normal work of main defeated mud pipe 9 and supplementary defeated mud pipe 10.
The aeration device 7 is connected with the mud absorbing net 1 through a chain rope 8, the aeration device 7 comprises a suspension block 11 and a guide plate 12, the guide plate 12 is connected above the suspension block 11 through a support rod 14, a solar panel 13 is arranged on the guide plate 12, a groove 16 is arranged on the top surface of the suspension block 11, a storage battery 15 and an injection mechanism are arranged in the groove 16, the injection mechanism is positioned at two sides of the storage battery 15, a water storage tank 17 is arranged in the suspension block 11, a main water drainage pipe 21 is arranged on the top surface of the water storage tank 17, an aeration pump 22 is arranged on the main water drainage pipe 21, the main water drainage pipe 21 is connected with the injection mechanism through a shunt pipe 23, water absorbing pipes 18 are symmetrically arranged at two sides of the water storage tank 17, the solar panel 13 can provide continuous electric energy for the normal work of the aeration device 7 and store the electric energy through the storage battery 15, the storage battery 15 provides, the water in the water storage tank 17 is conveyed to the injection mechanism through the main drainage pipe 21 and the shunt pipe 23 under the action of the aeration pump 22, aeration is realized, the oxygen content in the water body is increased, the injection mechanism comprises a rotary table 24 and an injection pipe 25, the rotary table 24 is fixedly connected in the groove 16, the injection pipe 25 is rotatably connected on the rotary table 24, the injection pipe 25 can rotate along the rotary table 24, the injection angle is adjusted, the water suction pipe 18 is provided with a one-way electromagnetic valve 19, the end part of the water suction pipe 18 is provided with a first filter screen 20, the one-way electromagnetic valve 19 can control the opening and closing of the water suction pipe 18, and the first filter screen 20 can prevent impurities such as weeds and the like in the; through the design of inhaling mud net 1, can regularly clear up the silt of lake bottom, reduce the deposit of lake bed mud, and then reduce the release of nutrient substance in the bed mud to the water in, the mud pump 5 provides power for the discharge of bed mud, the silt that will inhale in mud net 1 is exported through mud lift pipe 2 and mud pipe 3, the flexible operation is convenient, main mud pipe 9 and supplementary mud pipe 10 cross distribution, it is more thorough to make lake bed mud clear up, the pollution of source load in the lake has effectively been reduced, although the construction is complicated relatively in earlier stage, but the water treatment effect to the long distance in lake is better, the treatment cost is low.
The method for treating the lake water body by using the integrated treatment system for treating the lake water environment comprises the following steps:
1) survey lofting
a. Firstly, drawing a lake graph through three-dimensional modeling, determining a layout scheme of a pipe network and an installation position of an aeration device 7 according to the area of a lake plane structure, determining the installation position and the number of mud pumps 5 on the outer side surface of the lake, and drawing a construction drawing;
b. then, cleaning weeds at the construction position on the outer side surface of the lake according to a construction drawing, and making a safety prompt mark;
c. then, arranging constructors, carrying out technical bottom-crossing work, preparing corresponding machine tool equipment, and carrying out trial operation on the construction machines entering the field to ensure that construction is carried out smoothly;
2) dredging at the bottom of lake
After the lofting to be measured is finished, sludge at the bottom of the lake is cleaned for the first time through the dredger ship, the cleaning sequence is carried out from left to right in sequence, and the cleaning area is not less than 6m at each time2Until the sludge on the bottom surface of the whole lake is cleaned once;
3) sludge suction net arrangement
a. After the sludge on the bottom surface of the lake is cleaned, firstly, distributing the horizontal linear buoys on the water surface of the lake along the marking requirements of a construction drawing, and installing first limiting rods at positions of 3-5 m at equal intervals on each horizontal linear buoy, so that the bottom ends of the first limiting rods are vertically inserted to the bottom of the lake until all the horizontal linear buoys are completely distributed;
b. then, the prepared main mud conveying pipes 9 are lowered to corresponding positions of the bottom of the lake along corresponding horizontal linear buoys through a lifting ship, top layer pressing covers 27 are fixedly connected above the main mud conveying pipes 9, after one main mud conveying pipe 9 is lowered, a supporting plate 28 with a second filter screen 29 is installed on the side face of a mud conveying pipe body 26 of the corresponding main mud conveying pipe 9, sludge and stones around the main mud conveying pipes 9 are removed before the supporting plate 28 is installed, the supporting plate 28 is vertically fixed to the bottom of the lake, locking supports 4 are installed on each top layer pressing cover 27 at equal intervals, and meanwhile the corresponding horizontal linear buoys and the first limiting rods at corresponding positions are removed until all the main mud conveying pipes 9 are installed;
c. arranging sludge lifting pipes 2 at two ends of each main sludge conveying pipe 9 along the inclined plane of the lake, fixing the sludge lifting pipes 2 on the inclined plane of the lake through locking brackets 4, enabling the distance between the top ends of the sludge lifting pipes 2 and the bank of the lake to be less than 50cm, then installing sludge discharging pipes 3 into a set sludge storage pool along the horizontal direction, installing sludge pumps 5 on the sludge discharging pipes 3, and connecting controllers 6 on the sludge pumps 5;
d. then, distributing the oblique line buoys on the water surface of the lake along the marking requirements of the construction drawing, and installing second limiting rods at positions of each oblique line buoy at equal intervals of 3-5 m, so that the bottom ends of the second limiting rods are vertically inserted into the bottom of the lake until all the oblique line buoys are completely distributed;
e. then, the prepared auxiliary mud conveying pipe 10 is lowered to the corresponding position of the bottom of the lake along the corresponding oblique buoy by a lifting ship, a top layer gland 27 is fixedly connected above a mud conveying pipe body 26 of the auxiliary mud conveying pipe 10, two ends of the mud conveying pipe body 26 of the auxiliary mud conveying pipe 10 are respectively connected with two adjacent main mud conveying pipes 9 after one auxiliary mud conveying pipe 10 is lowered, then support plates 28 with second filter screens 29 are installed on two sides of the corresponding auxiliary mud conveying pipe 10, sludge and stones around the main mud conveying pipes 9 are removed before the support plates 28 are installed, the support plates 28 are vertically fixed to the bottom of the lake, locking supports 4 are installed on each top layer gland 27 at equal intervals, and the corresponding oblique buoy and the second limiting rod at the corresponding position are removed at the same time until all the auxiliary mud conveying pipes 10 are installed;
4) aeration device installation
After the sludge suction net 1 is laid, putting an aeration device 7 at a set position on the water surface of the lake, and fixedly connecting the bottom surface of the aeration device 7 with the sludge suction net 1 through a chain rope 8;
5) commissioning of the system
After the integrated treatment system is installed, the sludge pump 5 on the sludge discharge pipes 3 is started to observe the conveying capacity of each sludge discharge pipe 3, the aeration pump 22 on the aeration device 7 is started to observe the working condition of the injection mechanism, and the water quantity of the water storage tank 17 in the aeration device 7 is controlled.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple variations, equivalent substitutions or modifications based on the present invention to achieve substantially the same technical effects are within the scope of the present invention.
Claims (6)
1. A method for treating lake water by an integrated treatment system for lake water environment treatment is characterized by comprising the following steps: the integrated treatment system comprises a mud suction net and an aeration device, wherein the mud suction net is connected with a mud discharge pipe through a mud lifting pipe, a mud suction pump is arranged on the mud discharge pipe, a controller is connected to the mud suction pump, the mud suction net comprises a main mud conveying pipe and an auxiliary mud conveying pipe, the main mud conveying pipes are distributed at equal intervals horizontally, the auxiliary mud conveying pipes are arranged between the two parallel main mud conveying pipes in a crossed manner, and the aeration device is connected with the mud suction net through a chain rope; the main mud conveying pipe and the auxiliary mud conveying pipe respectively comprise mud conveying pipe bodies and protective structures, the mud conveying pipe bodies are located in the protective structures, the protective structures comprise top-layer pressing covers and supporting plates, the top-layer pressing covers are located above the mud conveying pipe bodies and are connected with the mud conveying pipe bodies through reinforcing rods, and the supporting plates are connected to two sides of the top-layer pressing covers; aeration equipment is including suspension piece and deflector, the deflector passes through the bracing piece and connects the top of suspension piece, be provided with solar panel on the deflector, be provided with the recess on the top surface of suspension piece, be provided with battery and injection mechanism in the recess, injection mechanism is located the both sides of battery, be provided with the storage water tank in the suspension piece, be provided with main drain pipe on the top surface of storage water tank, be provided with the aeration pump on the main drain pipe, main drain pipe passes through the shunt tubes and connects injection mechanism, the bilateral symmetry of storage water tank is provided with the pipe that absorbs water, including following step:
1) survey lofting
a. Firstly, drawing a lake graph through three-dimensional modeling, determining a layout scheme of a pipe network and an installation position of an aeration device according to the area of a lake plane structure, determining the installation position and the number of mud pumps on the outer side surface of the lake, and drawing a construction drawing;
b. then, cleaning weeds at the construction position on the outer side surface of the lake according to a construction drawing, and making a safety prompt mark;
c. then, arranging constructors, carrying out technical bottom-crossing work, preparing corresponding machine tool equipment, and carrying out trial operation on the construction machines entering the field to ensure that construction is carried out smoothly;
2) dredging at the bottom of lake
After the lofting to be measured is finished, sludge at the bottom of the lake is cleaned for the first time through the dredger ship, the cleaning sequence is carried out from left to right in sequence, and the cleaning area is not less than 6m at each time2Until the sludge on the bottom surface of the whole lake is cleaned once;
3) sludge suction net arrangement
a. After the sludge on the bottom surface of the lake is cleaned, firstly, distributing the horizontal linear buoys on the water surface of the lake along the marking requirements of a construction drawing, and installing first limiting rods at positions of 3-5 m at equal intervals on each horizontal linear buoy, so that the bottom ends of the first limiting rods are vertically inserted to the bottom of the lake until all the horizontal linear buoys are completely distributed;
b. then, the prepared main mud conveying pipes are lowered to corresponding positions of the bottom of the lake along corresponding horizontal linear buoys through a lifting ship, top layer pressing covers are fixedly connected to the upper portions of the main mud conveying pipes, after one main mud conveying pipe is lowered, a supporting plate with a second filter screen is installed on the side face of a mud conveying pipe body of each corresponding main mud conveying pipe, sludge and stones around the main mud conveying pipes are removed before the supporting plates are installed, the supporting plates are vertically fixed to the bottom of the lake, locking supports are installed on the top layer pressing covers at equal intervals, and meanwhile the corresponding horizontal linear buoys and first limiting rods at the corresponding positions are removed until all the main mud conveying pipes are installed;
c. arranging sludge lifting pipes at two ends of each main sludge conveying pipe along the inclined plane of the lake, fixing the sludge lifting pipes on the inclined plane of the lake through locking supports, enabling the distance between the top ends of the sludge lifting pipes and the lake embankment to be less than 50cm, then installing sludge discharging pipes into a set sludge storage tank along the horizontal direction, installing a sludge pump on each sludge discharging pipe, and connecting a controller on each sludge pump;
d. then, distributing the oblique line buoys on the water surface of the lake along the marking requirements of the construction drawing, and installing second limiting rods at positions of each oblique line buoy at equal intervals of 3-5 m, so that the bottom ends of the second limiting rods are vertically inserted into the bottom of the lake until all the oblique line buoys are completely distributed;
e. then, the prepared auxiliary mud conveying pipes are lowered to corresponding positions of the bottom of the lake along corresponding oblique line buoys through a lifting ship, top layer pressing covers are fixedly connected above mud conveying pipe bodies of the auxiliary mud conveying pipes, after one auxiliary mud conveying pipe is lowered, two ends of the mud conveying pipe bodies of the auxiliary mud conveying pipes are respectively connected with two adjacent main mud conveying pipes, then supporting plates with second filter screens are installed on two sides of the corresponding auxiliary mud conveying pipes, sludge and stones around the main mud conveying pipes are removed before the supporting plates are installed, the supporting plates are vertically fixed to the bottom of the lake, locking supports are installed on the top layer pressing covers at equal intervals, the corresponding oblique line buoys and the second limiting rods at the corresponding positions are removed at the same time, and all the auxiliary mud conveying pipes are installed completely;
4) aeration device installation
After the mud suction net is completely arranged, putting an aeration device at a set position on the water surface of the lake, and fixedly connecting the bottom surface of the aeration device with the mud suction net through a chain rope;
5) commissioning of the system
After the integrated treatment system is installed, firstly, a mud pump on the mud discharging pipe is started to observe the conveying capacity of each mud discharging pipe, and simultaneously, an aeration pump on the aeration device is started to observe the working condition of the injection mechanism and control the water quantity of a water storage tank in the aeration device.
2. The method for treating the lake water environment by the integrated treatment system for the lake water environment treatment as claimed in claim 1, wherein the method comprises the following steps: the sludge suction net and the sludge lifting pipe are respectively and fixedly connected to the bottom and the side wall of the lake through locking brackets.
3. The method for treating the lake water environment by the integrated treatment system for the lake water environment treatment as claimed in claim 1, wherein the method comprises the following steps: and mud sucking holes are uniformly formed in the side surface of the mud conveying pipe body.
4. The method for treating the lake water environment by the integrated treatment system for the lake water environment treatment as claimed in claim 1, wherein the method comprises the following steps: a second filter screen is horizontally arranged on the supporting plate.
5. The method for treating the lake water environment by the integrated treatment system for the lake water environment treatment as claimed in claim 1, wherein the method comprises the following steps: the spraying mechanism comprises a rotary table and a spraying pipe, the rotary table is fixedly connected in the groove, and the spraying pipe is rotatably connected to the rotary table.
6. The method for treating the lake water environment by the integrated treatment system for the lake water environment treatment as claimed in claim 1, wherein the method comprises the following steps: the water suction pipe is provided with a one-way electromagnetic valve, and the end part of the water suction pipe is provided with a first filter screen.
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| CN112112212B (en) * | 2020-09-02 | 2022-10-11 | 高布仁巴雅尔 | Ditch moss cleaning device for hydraulic engineering |
| CN114835341B (en) * | 2022-05-17 | 2023-02-03 | 广东北控环保装备有限公司 | Village and town sewage treatment device and treatment process |
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