CN112694230A - Comprehensive treatment method for high-garbage-content rotten and aged sludge pond - Google Patents
Comprehensive treatment method for high-garbage-content rotten and aged sludge pond Download PDFInfo
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Abstract
The invention discloses a comprehensive treatment method of a high-garbage-content stale sludge pond, which comprises the following steps: step S100: site ecological planning and infrastructure construction; step S200: cleaning impurities on the surface of the sludge pond, salvaging garbage, and simultaneously performing leachate pumping treatment; step S300: carrying out dredging and curing on the sludge of the humus layer in the sludge pond, and then carrying out in-situ curing construction; step S400: performing temporary film covering maintenance on a field, and then performing field arrangement and reservoir area construction; step S500: and carrying out ecological restoration on the site, establishing a dynamic monitoring mechanism mainly based on cloud link big data, and mastering the behavior of the treatment site in real time. The comprehensive treatment method of the high-garbage-content rotten old sludge pond disclosed by the invention is based on ecological planning, improves the secondary damage to the environment caused by a construction area in the existing treatment engineering, and can smoothly integrate the treated sludge pond with local ecology through reasonable site ecological planning so as to avoid rebound.
Description
Technical Field
The invention relates to the technical field of sludge treatment, in particular to a comprehensive treatment method for a high-garbage-content rotten and old sludge pond.
Background
The domestic sludge mainly comes from urban sewage treatment plants, the urban sewage treatment capacity is gradually enlarged along with the great expansion of urban population, the domestic sludge generated by the treatment is more and more, the domestic sludge is finally removed from the beginning of landfill and temporary storage due to a plurality of barriers in the resource utilization technology, but due to the reasons of high water content, difficult decomposition and the like of the domestic sludge, a sludge pond which is extremely difficult to treat is formed while the sludge which is stored for a long time, the traditional sludge pond treatment needs to be salvaged to start water drainage, the method has large damage to the environment, high cost and long construction period, the traditional sludge pond sludge treatment adopts brute force type treatment, the treated sludge pond cannot be subsequently utilized and can not be integrated into local ecology, a naked wild grassland is often formed, the treated sludge is easy to rebound and forms sludge when meeting water, bringing great environmental and safety risks.
Disclosure of Invention
The invention aims to solve the technical problem of providing a comprehensive treatment method for a high-garbage-content rotten and old sludge pond, and aims to solve the problems that the conventional treatment means has large damage to the environment, high implementation cost and long construction period, and a treated sludge pond cannot be subsequently utilized and cannot be integrated into local ecology.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the invention discloses a comprehensive treatment method of a high-garbage-content stale sludge pond, which comprises the following steps:
step S100: site ecological planning and infrastructure construction;
step S200: cleaning impurities on the surface of the sludge pond, salvaging garbage, and simultaneously performing leachate pumping treatment;
step S300: carrying out dredging and curing on the sludge of the humus layer in the sludge pond, and then carrying out in-situ curing construction;
step S400: performing temporary film covering maintenance on a field, and then performing field arrangement and reservoir area construction;
step S500: and carrying out ecological restoration on the site, establishing a dynamic monitoring mechanism mainly based on cloud link big data, and mastering the behavior of the treatment site in real time.
In the step S100, the infrastructure includes a construction infrastructure, a power distribution setting infrastructure, a water treatment facility, a deodorization and dust reduction facility, and a draining device.
In the step S200, a floating pumping and discharging device is used to perform a sludge pond dewatering operation, the extracted leachate enters a leachate temporary storage tank to be treated until the leachate reaches a discharge standard and then is discharged, and then a strong pressure drainage device is used to further drain the sludge pond, so as to reduce the water content of the sludge in the sludge pond.
The floating pumping device comprises a frame structure, a grid and a floating block, wherein a drainage groove and a through hole are formed in the frame structure, the drainage groove is formed in the frame structure, the side edge of the frame structure extends, the two ends of the drainage groove extend to the two opposite end faces of the frame structure respectively, the through hole is communicated with the drainage groove, the grid is installed in the frame structure, the grid is located at the position of the through hole, the floating block is installed in the frame structure, a pumping device for pumping water is installed in the frame structure, and the input end of the pumping device is communicated with the drainage groove.
In the step S200, the salvaged garbage is subjected to draining treatment, rolling and draining are performed, and the garbage is buried after being aired for 1 to 2 days.
In step S200, a draining platform is used to roll and drain garbage, the draining platform comprises a hoisting device, a counterweight part and a filtering part, the filtering part comprises a frame and a filter screen, the frame is installed at the mouth of the temporary leachate storage tank, the filter screen is installed on the frame, the counterweight part is installed at the output end of the hoisting device, and the hoisting device controls the counterweight part to be close to or far away from the filter screen.
In the step S300, when the extraction rate of leachate in the sludge pond reaches 90%, a digging machine is used for digging the rotten sludge of the sludge-water bonding layer in the sludge pond, curing agents are added into the dug sludge, and after the sludge is uniformly stirred, the sludge is maintained for 3 to 7 days and then is buried or used as covering soil.
In the step S300, the in-situ solidification construction can be carried out after the humus sludge is dug, and the maintenance is carried out for 3 to 7 days after the stirring is finished.
In the step S400, after the in-situ curing construction is completed, the entire site is temporarily covered with film for maintenance for 7 days, and then site finishing and reservoir area construction are performed, wherein the main processes include site leveling, slope repair, and reservoir area seepage prevention construction.
In the step S500, ecological reduction is performed on the basis of no subsequent landfill requirement, ecological coverage is performed on the basis of the surrounding environment, and the treated sludge pond is completely integrated into the original ecology by planting existing crops on the periphery.
The invention has the beneficial effects that:
the comprehensive treatment method of the high-garbage-content rotten old sludge pond is based on ecological planning, improves secondary damage to the environment caused by a construction area in the existing treatment engineering, can solve the problems of engineering period delay, material waste and the like caused by unreasonable construction planning, can smoothly integrate the treated sludge pond with local ecology through reasonable site ecological planning, avoids rebound, classifies the garbage and the sludge, and avoids new environmental problems caused by salvaged garbage; the process of draining water after the garbage is cleaned and fished is abandoned, and the draining of leachate and the garbage fishing can be synchronously carried out, so that the treatment of cleaning and fishing the draining is facilitated, the construction period is greatly shortened, and the cost is saved; in addition, a sound monitoring mechanism can be established according to the big data construction, and dynamic monitoring is implemented to master the governing trend.
Drawings
FIG. 1 is a flow chart of a comprehensive treatment method for a high-garbage-content stale sludge pond disclosed by the embodiment of the invention;
FIG. 2 is a schematic view of a floating extraction unit according to an embodiment of the present disclosure;
FIG. 3 is a schematic illustration of a frame structure disclosed in an embodiment of the present invention;
FIG. 4 is a side cross-sectional view of a frame structure according to an embodiment of the present disclosure;
FIG. 5 is a front cross-sectional view of a frame structure according to an embodiment of the present invention;
fig. 6 is a schematic view of a draining platform disclosed in the embodiment of the invention.
In the figure:
100-a floating pumping device; 110-a frame structure; 111-a cross-beam; 112-longitudinal beams; 1121-card slot; 1122-a cartridge; 113-a via; 114-a drain tank; 1141 — a first groove; 1142-bottom wall; 1143-a second groove; 120-a grid; 130-floating block; 200-a draining platform; 210-a hoisting device; 220-a weight; 230-a filter part; 300-garbage; 400-temporary storage pool for leachate.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
Example (b):
referring to fig. 1, the embodiment of the invention discloses a comprehensive treatment method for a high-garbage-content stale sludge pond as shown in fig. 1, which comprises the following steps:
step S100: the ecological planning and the infrastructure of place, through the exploration to place and periphery are detailed, combine to administer the back sludge impoundment use and carry out whole ecological planning, and reasonable layout lets the capital construction run through whole improvement engineering all the time and makes it still possess the value of utilization after administering, and main capital construction facility has the construction capital construction, and the distribution sets up the construction, water treatment facilities facility construction, leachate drainage pipe, device construction, water treatment facilities construction, deodorization dust fall device construction, construction work platform, road, waterlogging caused by excessive rainfall device construction etc.. The site ecological planning and the infrastructure perfectly solve the secondary damage of the construction area environment in the old-fashioned treatment project based on the ecological planning, and also can solve the problems of project cycle delay, material waste and the like caused by unreasonable construction planning.
Step S200: cleaning surface sundries and salvaging garbage 300 of the sludge pond, after the foundation construction in the previous period is completed, cleaning the surface sundries and salvaging the surface garbage 300 of the sludge pond by using a digging machine, directly burying the salvaged garbage 300 such as dry branches and the like, spreading the garbage 300 such as high-water-content weeds and the like onto a draining platform 200, rolling and draining by using a machine, airing one side, airing for 1-2 days, and then burying; the sundries classification and the dry-wet classification of the garbage 300 avoid new environmental problems caused by the salvage of the garbage 300.
When the surface of the sludge pond is cleaned, the floating pumping and discharging device 100 can be used for carrying out sludge pond dewatering operation, the extracted leachate enters the leachate temporary storage pool 400 for treatment until the leachate reaches the discharge standard and is discharged, and then the strong pressure drainage device is used for further drainage of the sludge pond to reduce the internal water content of the sludge in the sludge pond; the process of draining water after the garbage 300 is cleaned and fished in the prior art is abandoned, the cleaning of the garbage, the fishing of the garbage 300 and the dewatering of a sludge pond can be synchronously carried out, the draining treatment of the cleaned and fished garbage 300 is facilitated, and the construction period is greatly shortened.
When leachate treatment is carried out, the floating pumping device 100 is placed in a sludge pond, the floating pumping device 100 floats above the sludge pond under the buoyancy action of the floating block 130, the buoyancy of the floating block 130 is adjusted, the degree of submergence of the frame structure 110 by liquid in the sludge pond can be controlled, when the liquid in the sludge pond can overflow the grating 120 and enter the drainage groove, the pumping device can pump the leachate flowing into the drainage groove away, the frame structure 110 descends along with the descending of the water level in the sludge pond, the liquid in the sludge pond always overflows the grating 120 and then is pumped away, so that the precipitation operation of the sludge pond is realized, and the pumped leachate is sent into the leachate temporary storage tank 400 by the pumping device. When the floating pumping device 100 works, the garbage 300 cannot overflow the frame to enter the drainage groove, so that the water pumping device is not blocked, the floating pumping device 100 floats on the water surface, the garbage 300 can not be salvaged by an excavator, and the garbage 300 can not be salvaged and leachate pumping can be synchronously carried out.
After rubbish 300 salvages, need carry out the waterlogging caused by excessive rainfall processing, rubbish 300 who salvages comes sends into on the filter screen of waterlogging caused by excessive rainfall platform 200, then utilize hoisting equipment 210 to drive counter weight portion 220 and be close to towards the filter screen, can form the extrusion between counter weight portion 220 and the filter screen, thereby roll the discharge with the water in rubbish 300, roll the direct interim reservoir 400 of filter screen entering leachate of discharged water in rubbish 300 from, wait for subsequent processing, roll the drainage and accomplish the back, wherein equipment drives counter weight portion 220 and keeps away from the filter screen, can take off rubbish 300 from the filter screen this moment, at this moment, rubbish 300 that the moisture content is qualified can carry out the sunning and handle.
Step S300: the method comprises the steps of dredging and solidifying the sludge in the humus layer, dredging the humus sludge in a sludge-water binding layer of the sludge pond by using a machine when the extraction rate of leachate in the sludge pond reaches 90%, mixing a curing agent into the humus sludge after the humus sludge is dredged to a specified area, stirring, wherein the addition amount of the curing agent is 20% of the total mass of the humus sludge, uniformly stirring the humus sludge and the curing agent, transferring the mixture to a planned specified place for maintenance, filling or using the mixture as covering soil after the maintenance is carried out for 3-7 days, and after the dredging of the humus sludge is finished, the in-situ solidification construction can be immediately carried out, the forward propulsion is carried out in a material pumping and mechanical stirring mode, the adding proportion of the in-situ solidification material is 30 percent of the total mass of the solidified stirring area, the sludge pond is maintained for 3 to 7 days after the stirring is finished, and the machine opens a way by a flat steel plate and forwards propels in the same direction or multiple directions; in the past, the sludge of the layer is subjected to in-situ solidification construction together with the sludge of the lower layer, the characteristics of low sludge content, more impurities, high water content and the like of the sludge of the layer cause large material loss of an in-situ solidification area, long maintenance time and poor solidification quality, and the engineering problem is perfectly solved by single dredging treatment.
The in-situ solidification construction refers to the construction operation of solidifying the sludge left in the sludge pond after a part of the sludge in the sludge pond is dug out.
Step S400: after the in-situ curing construction and the stirring are completely finished, temporary film covering maintenance is carried out on the whole site for 7 days, site finishing and reservoir area construction are immediately carried out, and the main procedures of the site finishing are site leveling, side slope repairing and reservoir area seepage-proofing construction. The sludge pond after in-situ solidification construction is subjected to site arrangement and seepage-proofing construction, and then the solidified sludge is isolated from the outside, so that the risk of instability of the solidified sludge can be eliminated, and more purposes are provided for subsequent land planning.
Step S500: according to the treatment planning, reasonable layout and local conditions, ecological reduction is carried out on the basis of no subsequent landfill requirement, ecological coverage is carried out on the basis of the surrounding environment, the treated sludge pond is completely integrated into the original ecology by planting existing crops on the periphery, then a dynamic monitoring mechanism mainly based on cloud link big data is established, and the treatment ground trend is mastered in real time. The artificial ecological restoration is carried out according to professional means, which is different from the conventional rough treatment, the treated sludge pond can be fully utilized, can be used as a garbage 300 landfill area for continuously landfill of the garbage 300, and can also be combined with the surrounding environment to build an ecological park.
In this embodiment, the treatment of the surface impurities mainly comprises dredging, draining and transferring cleaning; the treatment of the garbage 300 is that the garbage 300 is firstly cleaned and fished up from a sludge pond, then the draining device is used for draining, and the garbage 300 is transported and treated after the water content in the garbage 300 is reduced to a preset value.
When the garbage 300 is cleaned, the leachate in the garbage can be treated, and the treatment flow of the leachate is as follows: firstly, leachate is pumped into the leachate temporary storage pool 400 by using leachate pumping and discharging equipment, then the leachate is treated by using an in-situ treatment facility and a biochemical treatment facility respectively, and then index detection is carried out, if some index is unqualified, the leachate is sent into the corresponding in-situ treatment facility or biochemical treatment facility for secondary treatment, and if the index is qualified, the leachate can be discharged.
The sludge in the sludge pond is mainly divided into two parts, one part is dug out, the other part is left in the sludge pond, and the processing mode of the dug sludge is as follows: the method comprises the steps of firstly conveying sludge into a curing operation platform, detecting whether the water content of the sludge reaches the standard, if the water content of the sludge does not reach the standard, conveying the sludge into a draining platform 200 for draining until the water content of the sludge reaches the standard, conveying water produced on the draining platform 200 into a temporary draining liquid storage tank 400, if the water content of the sludge in the curing operation platform reaches the standard, conveying the sludge into a curing stirring tank for stirring, adding a certain amount of curing agent, wherein the amount of the curing agent is 20% of the total mass of the sludge, conveying the sludge after curing into a drying storage pit for curing, detecting indexes of the sludge, if the sludge is not qualified, continuing curing, and if the sludge is qualified, conveying and burying the sludge or using the sludge as covering soil.
The treatment mode of the in-situ sludge left in the sludge pond is as follows: the solidification operation platform is propelled in a sludge pond, a certain amount of curing agent is added into the in-situ sludge, the curing agent and the in-situ sludge are stirred in an operation and maintenance stirring pit, the addition amount of the curing agent is 30% of the total mass of the in-situ sludge, after stirring is completed, maintenance treatment is carried out on the in-situ sludge, index detection is carried out on the in-situ sludge, if the in-situ sludge is not qualified, maintenance is continued, if the in-situ sludge is qualified, geological construction can be carried out, for example, a city park or a new domestic garbage 300 landfill site is built, and then real-time monitoring can be carried out by utilizing a dynamic monitoring mechanism mainly based on cloud link.
The embodiment adopts a construction cross operation sequence, and can effectively shorten the service cycle.
Referring to fig. 2, in the present embodiment, the floating pumping device 100 includes a frame structure 110, a grating 120 and a floating block 130, a drainage groove 114 and a through hole 113 are disposed on the frame structure 110, the drainage groove 114 extends along a side of the frame structure 110, two ends of the drainage groove 114 respectively extend to two opposite end surfaces of the frame structure 110, the through hole 113 is communicated with the drainage groove 114, the grating 120 is mounted on the frame structure 110, the grating 120 is located at the through hole 113, the floating block 130 is mounted on the frame structure 110, a pumping device for pumping water is mounted on the frame structure 110, and an input end of the pumping device is communicated with the drainage groove 114.
The floating pumping device 100 can be directly placed on the upper surface of the sludge, the sinking depth of the frame structure 110 is adjusted by using the weight of the floating block 130 and the frame structure 110, the sludge is primarily filtered by the grille 120 when sinking, water in the sludge can permeate into the through holes 113 from the grille 120, the water level in the through holes 113 gradually rises along with the continuous descending of the frame structure 110, and when the water level rises to the height of the drainage groove 114, the water can enter the drainage groove 114, then flows out along the two ends of the drainage groove 114 and is pumped away by the pumping device.
Along with frame construction 110's continuous decline, water in the silt can be permeated out gradually, and water in the silt generally is along with the increase of the degree of depth, its water content also can reduce, consequently, frame construction 110 only needs to take away the water of silt first half, can make the water content of silt reach the requirement, this kind of showy pump drainage device 100 simple structure, high durability and convenient operation, can realize the water content in the effectual reduction silt, pour former unable exhaust surplus water, great saving engineering construction time and engineering solidified material, and simultaneously, the surplus water of pressure load-out makes impurity still less in the raw water through the natural sedimentation in the flow discharge process, the degree of difficulty of water treatment has been reduced.
Referring to fig. 3 to 5, in some embodiments of the present embodiment, the frame structure 110 may include two cross beams 111 and two longitudinal beams 112, the two longitudinal beams 112 are disposed opposite to each other, the two cross beams 111 are disposed opposite to each other, the cross beam 111 is disposed between the two longitudinal beams 112, the cross beam 111 and the longitudinal beams 112 enclose the through hole 113, the loading grid is installed at a connection portion of the cross beam 111 and the longitudinal beams 112, the plurality of floating blocks are symmetrically disposed along a center of the through hole 113, the grid is connected to both the cross beam 111 and the longitudinal beams 112, the drainage trough 114 may include a first trough 1141 and a second trough 1143, the second trough 1143 is disposed on the cross beam 111, the second trough 1143 is disposed on the longitudinal beams 112, the first trough 1141 and the second trough 1143 are disposed in parallel, an input end of the water pumping device is connected to an end of the second trough 1143 away from the first trough 1141, the grid is installed on an opposite side of the drainage trough 114, that when the first trough 1141 is disposed on a top of the, in this way, when the infiltration filtration is performed, water can be firstly precipitated and accumulated in the through hole 113 defined by the cross beam 111 and the longitudinal beam 112, and when the water is accumulated to the height of the first groove 1141, impurities in the water are less.
The second groove 1143 can be connected to the first groove 1141 at a position on a side of the first groove 1141 away from the through hole 113, so that the second groove 1143 is not connected to the through hole 113, and water can flow out through the second groove 1143, which prolongs the water flow time and the settling time.
When the first groove 1141 is disposed, the bottom wall 1142 of the first groove 1141 is inclined, so that the depth of the first groove 1141 is gradually increased along the direction of the first groove 1141 toward the through hole 113, and the bottom wall 1142 of the first groove 1141 is extended to the through hole 113 for communication, so that water can slowly enter the second groove 1143 in a spreading manner, thereby avoiding oscillation and reducing impurities in the discharged water.
The two longitudinal beams 112 can be a first beam and a second beam respectively, the first beam is provided with a clamping groove 1121, the clamping groove 1121 extends along the length direction of the first beam, two ends of the clamping groove 1121 respectively extend to two end faces of the first beam, the second beam is provided with a clamping block 1122 matched with the clamping groove 1121, the clamping block 1122 can be arranged in a plurality of numbers along the length direction of the second beam, or only one clamping block 1122 with two ends respectively extending to two ends of the second beam is arranged, and by utilizing the matching of the clamping groove 1121 and the clamping block 1122, two adjacent floating pumping devices 100 can be connected together, and the installation mode is simple and convenient.
The width of the slot 1121 may be greater than the width of the latch 1122 so that two adjacent floating pumping devices 100 can still move relative to each other after being connected, thereby facilitating operation in sludge rich in moisture.
Referring to fig. 6, the draining platform 200 in this embodiment includes a lifting device 210, a counterweight 220 and a filter 230, the filter 230 includes a frame and a filter net, the frame is installed at the mouth of the temporary leachate storage tank 400, the filter net is installed at the frame, the counterweight 220 is installed at the output end of the lifting device 210, and the lifting device 210 controls the counterweight 220 to approach or depart from the filter net.
This kind of waterlogging caused by excessive rainfall platform 200 is based on the mechanism of action of close check screen cloth, gravity clamp plate, exerts certain pressure on counter weight portion 220 and makes the moisture in rubbish 300 extrude, can extrude some mud from rubbish 300 even, this kind of waterlogging caused by excessive rainfall platform 200 simple structure is durable, construction operation is simple and convenient, and it is efficient to strain water, has weakened the influence of weather factor to rubbish 300 waterlogging caused by excessive rainfall, great shortening rubbish 300 waterlogging caused by excessive rainfall time to reduce the influence to engineering efficiency and progress.
Claims (10)
1. A comprehensive treatment method for a high-garbage-content rotten and aged sludge pond is characterized by comprising the following steps:
step S100: site ecological planning and infrastructure construction;
step S200: cleaning impurities on the surface of the sludge pond, salvaging garbage in the sludge pond, and simultaneously carrying out leachate pumping treatment;
step S300: carrying out dredging and curing on the sludge of the humus layer in the sludge pond, and then carrying out in-situ curing construction;
step S400: performing temporary film covering maintenance on a field, and then performing field arrangement and reservoir area construction;
step S500: and carrying out ecological restoration on the site, establishing a dynamic monitoring mechanism mainly based on cloud link big data, and mastering the behavior of the treatment site in real time.
2. The method for comprehensively treating a high-garbage old sludge pond according to claim 1, wherein in the step S100, the infrastructure includes construction infrastructure, power distribution setting construction, water treatment facility construction, deodorization and dust fall facility construction, and draining device construction.
3. The method for comprehensively treating a high-garbage-content stale sludge pond according to claim 1, wherein in the step S200, a floating pumping device is used for sludge pond dewatering operation, the extracted leachate enters a leachate temporary storage tank for treatment until the leachate reaches a discharge standard and then is discharged, and then a strong pressure drainage device is used for further drainage of the sludge pond to reduce the water content of the sludge in the sludge pond.
4. The comprehensive treatment method for high-garbage old sludge ponds according to claim 3, wherein the floating pumping device comprises a frame structure, a grating and a floating block, the frame structure is provided with a drainage groove and a through hole, the drainage groove extends along the side edge of the frame structure, two ends of the drainage groove respectively extend to two opposite end surfaces of the frame structure, the through hole is communicated with the drainage groove, the grating is installed on the frame structure, the grating is positioned at the through hole, the floating block is installed on the frame structure, a water pumping device for pumping water is installed on the frame structure, and the input end of the water pumping device is communicated with the drainage groove.
5. The comprehensive treatment method for high-garbage-content stale sludge lagoons according to claim 3, wherein in the step S200, the salvaged garbage is subjected to draining treatment, rolling drainage and landfill after being aired for 1-2 days.
6. The comprehensive treatment method for high-garbage-content aged sludge lagoons according to claim 5, wherein in the step S200, the garbage is rolled and drained by using a draining platform, the draining platform comprises a hoisting device, a counterweight and a filtering part, the filtering part comprises a frame and a filtering net, the frame is mounted at the mouth of the temporary leachate storage tank, the filtering net is mounted at the frame, the counterweight is mounted at the output end of the hoisting device, and the hoisting device controls the counterweight to be close to or far from the filtering net.
7. The method for comprehensively treating a high garbage content stale sludge pond according to claim 1, wherein in the step S300, when the extraction rate of leachate in the sludge pond reaches 90%, the humus sludge of the sludge-water bonding layer in the sludge pond is dug by an excavator, and curing agent is added to the dug sludge, and after the sludge is uniformly stirred, the sludge is maintained for 3 to 7 days and then buried or used as covering soil.
8. The comprehensive treatment method for the high garbage content stale sludge pond according to claim 7, wherein in the step S300, the in-situ solidification construction can be carried out after the rotten sludge is dug, and the curing is carried out for 3 to 7 days after the stirring is finished.
9. The comprehensive treatment method of the high-garbage-content stale sludge pond according to claim 1, wherein in the step S400, after the in-situ curing construction is completed, the temporary film covering maintenance is performed on the whole field for 7 days, and then the field arrangement and the reservoir area construction are performed, wherein the main processes comprise field leveling, slope repair and reservoir area seepage prevention construction.
10. The method according to claim 1, wherein in step S500, ecological reduction is performed without a requirement for subsequent landfill, ecological coverage is performed based on the surrounding environment, and the treated sludge lagoon is completely integrated into the original ecology by planting existing crops in the periphery.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114101278A (en) * | 2021-06-10 | 2022-03-01 | 捷艾悉环保科技（上海）有限公司 | Intelligent processing method and pretreatment method for excavating stale garbage |
| CN116813165A (en) * | 2023-08-31 | 2023-09-29 | 北京高能时代环境技术股份有限公司 | In-situ treatment method of sludge pond |
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