CN109205984B - Method and device for rapidly recycling high-water-content engineering sludge - Google Patents
Method and device for rapidly recycling high-water-content engineering sludge Download PDFInfo
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- CN109205984B CN109205984B CN201810716549.9A CN201810716549A CN109205984B CN 109205984 B CN109205984 B CN 109205984B CN 201810716549 A CN201810716549 A CN 201810716549A CN 109205984 B CN109205984 B CN 109205984B
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- 239000010802 sludge Substances 0.000 title claims abstract description 307
- 238000004064 recycling Methods 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 107
- 239000002689 soil Substances 0.000 claims abstract description 21
- 238000013461 design Methods 0.000 claims abstract description 13
- 229910052751 metal Inorganic materials 0.000 claims description 73
- 239000002184 metal Substances 0.000 claims description 73
- 230000003068 static effect Effects 0.000 claims description 35
- 239000004746 geotextile Substances 0.000 claims description 31
- 239000004744 fabric Substances 0.000 claims description 29
- 239000004576 sand Substances 0.000 claims description 13
- 238000010276 construction Methods 0.000 claims description 12
- 230000008878 coupling Effects 0.000 claims description 11
- 238000010168 coupling process Methods 0.000 claims description 11
- 238000005859 coupling reaction Methods 0.000 claims description 11
- 238000005259 measurement Methods 0.000 claims description 9
- 239000011159 matrix material Substances 0.000 claims description 6
- 239000004567 concrete Substances 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 239000011178 precast concrete Substances 0.000 claims description 4
- 238000005086 pumping Methods 0.000 claims description 4
- 230000007613 environmental effect Effects 0.000 abstract description 8
- 239000002699 waste material Substances 0.000 abstract description 6
- 239000010408 film Substances 0.000 description 23
- 239000004927 clay Substances 0.000 description 12
- 239000000843 powder Substances 0.000 description 10
- 238000011161 development Methods 0.000 description 8
- 239000011148 porous material Substances 0.000 description 8
- 238000007596 consolidation process Methods 0.000 description 7
- 239000002245 particle Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 4
- 239000011435 rock Substances 0.000 description 4
- 238000003912 environmental pollution Methods 0.000 description 3
- 229910001385 heavy metal Inorganic materials 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010438 granite Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
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- Engineering & Computer Science (AREA)
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- Hydrology & Water Resources (AREA)
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a method and a device for rapidly recycling high-water-content engineering sludge, which comprise the following steps: s1, collecting engineering sludge data to be treated, collecting engineering sludge water content, granularity components, natural vibration frequency and engineering sludge output data of the engineering sludge to be treated, and designing a rapid recycling technical parameter and a treatment device according to the data; s2, installing a processing device; s3, operating the processing device. The invention has reasonable design and is convenient for people to implement and operate, thereby being capable of rapidly recycling the engineering sludge with high water content, achieving the environmental protection aim of removing waste and benefiting the sludge into usable soil, having important environmental protection function and economic value of changing waste into valuable, and having great application prospect.
Description
Technical Field
The invention relates to the technical field of sludge treatment in engineering construction, in particular to a method and a device for rapidly recycling high-water-content engineering sludge.
Disclosure of Invention
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
a method for rapidly recycling high-water-content engineering sludge comprises the following steps:
s1, collecting engineering sludge data to be treated, wherein the engineering sludge to be treated collects data of the water content, the granularity components, the natural frequency of vibration and the output of the engineering sludge, and a rapid recycling technical parameter and a treatment device are designed according to the data, and the implementation technical parameter 1) the water content W of the engineering sludge is less than or equal to 200%; 2) Natural frequency of natural vibration of engineering sludge is 20 Hz-40 Hz; 3) The resource chemical period time t, when the water content W of the engineering sludge is 140-200%, the construction period time t is 36-48 h, and when the water content W of the engineering sludge is less than 140%, the construction period time t is 36h; 4) The distance between the vibrating bars is 0.6 m-0.8 m, when the water content W and the cosmid content (the cosmid content in the engineering sludge) of the engineering sludge are both higher, the distance between the vibrating bars adopts a smaller value, and otherwise, a larger value is adopted; 5) The distance between the vacuum tube and the vibrating rod is 0.3 m-0.4 m, when the water content W and the cosmid content (the cosmid content in the engineering sludge) of the engineering sludge are both higher, the small value is used, and otherwise, the large value is used; 6) Static pre-compression load: from 10kPa to 40kPa (static pressure load 10kPa to 40 kPa); 7) The sludge confining pressure of the sludge container (confining pressure refers to the pressure exerted by surrounding rock mass of rock on the sludge container) is less than or equal to 40kPa (20-40 kPa); 8) Soil moisture content after sludge recycling: the water content W of the engineering sludge is less than or equal to 48% when the clay is the main material, and is less than or equal to 38% when the powder is the main material;
s2, installing a treatment device, wherein the treatment device is a sludge container, both sides of the sludge container are provided with drainage outlets, the drainage outlets are connected with drainage pipelines, drainage pumps are arranged on the drainage pipelines, the other ends of the drainage pipelines are communicated with drainage receiving tanks, a bottom surface airtight film and side surface airtight films are respectively paved on the bottom surface and the peripheral side walls of the sludge container, a lower non-woven geotextile layer is paved on the bottom surface airtight film, a water collecting layer is arranged on the lower non-woven geotextile layer, and an upper non-woven geotextile layer is paved on the water collecting layer; (2) adding engineering sludge to be treated into a sludge container, wherein two sides of the engineering sludge to be treated are separated from side airtight films on the side wall of the sludge container by a certain gap, the distance between the two sides of the engineering sludge to be treated and the two side airtight films on the side wall of the sludge container by a certain gap is at least 5cm, the specific gap distance is preferably 5cm, water can be discharged through the gap, the subsequent treatment is facilitated, water in the sludge is quickly boosted and discharged, the high-water-content sludge is changed into low-water-content soil, the distance between the two sides of a metal cover plate and the inner wall of the sludge container is 0.3-0.5 mm, the upper surface of the engineering sludge to be treated is covered with a metal cover plate, an upper surface nonwoven geotechnical cloth layer is arranged between the metal cover plate and the engineering sludge to be treated, and a vibrating rod hole, a vibrating rod hole and a vacuum tube hole are arranged on the metal cover plate; (3) the vacuum pressure sensor is buried in the engineering sludge to be treated of the sludge container and is connected with an external vacuum pressure gauge; (4) the first vertical vibrating rod, the second vertical vibrating rod and the vacuum pipe are respectively inserted into the first hole, the second hole and the vacuum pipe hole of the vibrating rod, the first vertical vibrating rod and the second vertical vibrating rod are inserted into the engineering sludge to be treated, the vacuum pipe is higher than the horizontal surface of the vacuum pipe hole, the heights of the first vertical vibrating rod and the second vertical vibrating rod are consistent, the first vertical vibrating rod, the second vertical vibrating rod and the vacuum pipe are distributed at equal intervals in a matrix, the distance between the upper end surface of the first vertical vibrating rod and the metal cover plate is smaller than the distance between the second vertical vibrating rod and the metal cover plate, the first vertical vibrating rod and the second vertical vibrating rod are connected with each other through connecting wires, the connecting wires are connected with an air compressor of external equipment, the vacuum pipes are mutually communicated through pipelines, and the pipelines are connected with a vacuum pump of the external equipment; (5) the upper surface of the metal cover plate is provided with a high-power vibrator which is respectively connected with an air compressor of external equipment and a vacuum pump of the external equipment;
s3, operating the treatment device, (1) placing a static pressure load carrier on the upper surface of the metal cover plate until the sludge surrounding pressure in the sludge container rises to 10-40 kPa; (2) starting a high-power vibrator; (3) simultaneously starting an air compressor and a vacuum pump, forming positive pressure and negative pressure coupling for sludge in a sludge container by a vertical vibrating rod I, a vertical vibrating rod II and a vacuum tube, solidifying the sludge in the sludge container by vibrating drainage overlapped with the positive pressure at the upper part, and pumping water in the sludge in continuous up-and-down movement into a drainage receiving tank by starting a drainage pump; (4) meanwhile, observing the water yield of the vacuum pressure gauge and the drainage pipeline and the sinking change condition of the metal cover plate, adjusting the air compressor to change the vibration frequency of the vibration rod to be close to the natural frequency of the self-vibration of the sludge, and forming the resonance of the sludge in the sludge container; (5) when the water yield of the drainage pipeline is close to zero or the sinking of the metal cover plate is not carried out, the air compressor and the vacuum pump are closed, at the moment, the sludge in the sludge container is taken out for water content measurement, when the water content measurement index reaches or is close to a design value, the treatment construction is finished, and when the water content measurement index does not reach the design value, the high-power vibrator, the air compressor and the vacuum pump are adjusted until the soil water content reaches the design value.
The technical parameters of the rapid recycling of the engineering sludge to be treated in the step S1 are according to the engineering sludge water content W of the engineering sludge and the self-vibration fixed frequency omega of the sludge 0 The method comprises the following specific steps: the water content W of the engineering sludge is less than or equal to 200%, fixed frequency ω of self-oscillation 0 20Hz to 40Hz.
In the step S2, the distance between the first vertical vibrating rod and the second vertical vibrating rod in the engineering sludge to be treated is 0.6-0.8 m, the first vertical vibrating rod and the second vertical vibrating rod are distributed in square, the depth of the first vertical vibrating rod and the second vertical vibrating rod in the engineering sludge to be treated is 1.0-1.3 m, and the power of the high-power vibrator is larger than 30KW.
The static load carrier in the step S3 can be prefabricated concrete or hydraulic jacks of 10 kilonewtons (kN), the static load on the metal cover plate is adjusted by adding a plurality of prefabricated concrete, and the static load on the metal cover plate is adjusted by adjusting the hydraulic jacks, so that the static load pressurization is applied to the sludge firstly to enable water contained in the sludge to generate high pore pressure, and the follow-up resonance procedure is convenient to generate.
The invention has the beneficial effects that: the invention can utilize the high-water-content engineering sludge with the water content of more than 150%, so that the recycling of resources is greatly realized, and the high-water-content engineering sludge contains clay particles, powder particles, sand grains, oil dirt, organic matters, heavy metals or discharged harmful substances, and if the sludge is discharged at will, serious environmental pollution is caused, the environment-friendly development requirement advocated by modern times is not facilitated, and the development concept of harmony between people and nature advocated by the present time is also not facilitated.
In the step S3 operation treatment device, a static load carrier is added on a metal cover plate, static load pressurization is applied to sludge to enable water contained in the sludge to generate high pore pressure, then a high-power vibrator is started, an air compressor and a vacuum pump are started at the same time to enable the water to generate a fluctuation field for internal and external vibration of the sludge, then the high-power vibrator, the air compressor and the vacuum pump are adjusted to enable the vibration frequency to reach or be close to the natural frequency of the sludge to cause resonance, meanwhile, a vacuum pipe through which the vacuum pump is used for carrying out vacuum suction on a sludge body to generate a negative pressure field around the vacuum pipe, so that a special static-dynamic drainage consolidation mode of static-dynamic superposition and positive-pressure negative-pressure coupling is formed for the sludge, water in the sludge is promoted to be rapidly boosted and discharged, and the high-water-content sludge is changed into low-water-containing soil.
In the invention, a negative pressure field is generated around the vacuum tube, so that a special static-dynamic drainage consolidation mode of static-dynamic superposition and positive pressure negative pressure coupling is formed for sludge, and the sludge coupling vibration drainage consolidation mechanism is as follows: by establishing an artificial vibration source fluctuation field in the mud surface and the mud body, mechanical fluctuation with a certain frequency (reaching or approaching the natural frequency of the mud) is transmitted to the soil body with a certain designed depth range, so that resonance phenomenon is generated. The soil body is provided with a plurality of vibration sources according to different intervals and depths, a plurality of vibration rings which are overlapped and connected are generated during resonance, so that a large number of micro cracks are generated in the sludge, pore water subjected to static pressure is quickly permeated along the micro cracks to be converted into free water under the action of a vacuum negative pressure field, the free water is sucked out by a vacuum pipe, repeated up-and-down vibration and alternate vibration are carried out and are organically coupled with the vacuum negative pressure, the pore water pressure gradient can be quickly increased, the free water is permeated along the continuously enlarged cracks to be sucked out by the vacuum pipe of the vacuum pump, or the free water is permeated into a bottom water collecting layer after being pressed to be discharged through a drainage pipeline, and the rapid dehydration and solidification of the sludge are achieved. The rapid recycling technology of the high-water-content engineering sludge can be completed within 28-48 hours, the time is extremely short, the efficiency is greatly improved, the time cost is saved, and the investment of the cost is reduced.
The utility model provides a high water content engineering mud quick recycling device, includes the mud container, and the both sides limit of mud container all is opened and is had the drainage export, and the drainage export all is connected with the drainage pipe, is provided with the drain pump on the drainage pipe, and the drainage pipe other end intercommunication has the drainage to accept the pond, and the bottom surface of mud container and lateral surface lateral wall have laid bottom surface airtight film and side airtight film respectively, have laid down nonwoven geotechnique cloth layer on the bottom surface airtight film, are provided with a water collecting layer on the nonwoven geotechnique cloth layer down, have laid on the water collecting layer nonwoven geotechnique cloth layer down; adding engineering sludge to be treated into a sludge container, wherein two sides of the engineering sludge to be treated are separated from side airtight films on the side wall of the sludge container by a certain gap, the distance between the two sides of the engineering sludge to be treated and the airtight films on the two sides of the side wall of the sludge container by a certain gap is at least 5cm, the specific gap distance is preferably 5cm, the distance between the two sides of a metal cover plate and the inner wall of the sludge container is 0.3-0.5 mm, the upper surface of the engineering sludge to be treated is covered with a metal cover plate, an upper surface nonwoven geotechnical cloth layer is arranged between the metal cover plate and the engineering sludge to be treated, and a vibrating rod first hole, a vibrating rod second hole and a vacuum tube hole are arranged on the metal cover plate; the vacuum pressure sensor is buried in the engineering sludge to be treated of the sludge container and is connected with an external vacuum pressure gauge; the first vertical vibrating rod, the second vertical vibrating rod and the vacuum pipe are respectively inserted into the first hole, the second hole and the vacuum pipe hole of the vibrating rod, the first vertical vibrating rod and the second vertical vibrating rod are inserted into the engineering sludge to be treated, the vacuum pipe is higher than the horizontal surface of the vacuum pipe hole, the heights of the first vertical vibrating rod and the second vertical vibrating rod are consistent, the first vertical vibrating rod, the second vertical vibrating rod and the vacuum pipe are distributed at equal intervals in a matrix, the distance between the upper end surface of the first vertical vibrating rod and the metal cover plate is smaller than the distance between the second vertical vibrating rod and the metal cover plate, the first vertical vibrating rod and the second vertical vibrating rod are connected with each other through connecting wires, the connecting wires are connected with an air compressor of external equipment, the vacuum pipes are mutually communicated through pipelines, and the pipelines are connected with a vacuum pump of the external equipment; the upper surface of the metal cover plate is provided with a high-power vibrator which is respectively connected with an air compressor of external equipment and a vacuum pump of the external equipment.
The specification model adopted by the lower non-woven geotechnical cloth layer is 150g/m 2 The method comprises the steps of carrying out a first treatment on the surface of the The specification model adopted by the upper non-woven geotechnical cloth layer is 150g/m 2 A knitted fabric; the specification model adopted by the upper surface non-woven geotechnical cloth layer is 150g/m 2 The upper surface non-woven geotextile layer of the knitted fabric is one or two upper surface non-woven geotextile layers.
The water collecting layer adopts a middle coarse sand or pebble layer with the mud content less than 3 percent, and the thickness of the water collecting layer is 0.2m.
The sludge container is installed on the ground to form a fixed sludge container, namely a fixed treatment device, the side wall of the fixed sludge container, namely the fixed treatment device, is a wall body formed by a wooden piece or a metal piece cofferdam, a foundation pit (the size is 3m x 3m,4m x 4m, 5m x 5m square) is excavated on the ground, the fixed sludge container comprises a pit bottom, a pit four-wall sealing film, a lower layer non-woven geotextile of the pit bottom, a water collecting layer (the thickness is 0.2m, sand or other perforated materials can be used), the mud content of the sand layer is less than 3 percent, an upper layer non-woven geotextile and a metal cover plate (holes are formed in the metal cover plate, and the holes are respectively used for inserting a vibrating rod and a vacuum pipe), a vibrating rod, a vacuum pipe, a high-power vibrator, a vacuum pressure gauge, a static pressure load carrier, an air compressor, a vacuum pump and a drainage outlet, and the fixed sludge container, namely the fixed treatment device is generally designed and manufactured in a sludge production site or a soil stacking site.
The invention relates to a movable sludge container, namely a movable treatment device, which is formed by installing the sludge container on a movable dump truck.
The hydraulic lifting device also comprises a static pressure load carrier placed on the upper surface of the metal cover plate, wherein the static pressure load carrier can be made of 10 kilonewtons of precast concrete or hydraulic jacks.
The invention has the beneficial effects that: the invention has reasonable design and is convenient for people to implement and operate, thereby being capable of rapidly recycling the engineering sludge with high water content, achieving the environmental protection aim of removing waste and benefiting the sludge into usable soil, having important environmental protection function and economic value of changing waste into valuable, and having great application prospect; the sludge container is arranged on the ground to form a fixed sludge container, namely a fixed treatment device, and the sludge container is arranged on the movable dump truck to form a movable sludge container, namely a movable treatment device, so that the fixed sludge container, namely the fixed treatment device (a construction site or a fixed place) or the movable sludge container, namely the movable treatment device, can be selected according to site conditions and environmental protection requirements, can be produced in a factory series and in an intensive manner, and can meet the modern development and use requirements.
The size and amount of the sludge container in the present invention depends on the amount and amount of the engineering sludge to be treated. Considering vibration energy of a vibration rod and digging and transporting of treated soil, the depth of a sludge container is preferably not deeper than 2.0m, the length of the vibration rod (a vertical vibration rod I and a vertical vibration rod II) is 1.0-1.3 m, the distance between the vibration rods is not more than 0.8m due to the high viscosity of engineering sludge, the distance between a vacuum tube and the vibration rod is not more than 0.4m, the length of the vacuum tube is not inserted into a water collecting layer at the bottom of the sludge container, in order to prevent the sludge from flowing out when the sludge is static pressure, the upper surface of the vacuum tube is a layer of upper surface non-woven geotechnical cloth or two layers of upper surface non-woven geotechnical cloth, a lifting ring, a vibration rod I hole, a vibration rod II hole and a vacuum pipe hole are welded on a metal cover plate, the hole distance is 0.4m, the aperture of the vacuum pipe hole is 30mm (for inserting the vibration rod), the size of the vibration rod I hole and the vibration rod II hole is 50mm (for inserting the vibration rod is slightly smaller than the surface size of the sludge container), and the distance between two side edges of the metal cover plate and the inner wall of the sludge container is 0.3-0.5 mm.
Drawings
FIG. 1 is a schematic flow chart of a method for rapidly recycling high-water-content engineering sludge;
FIG. 2 is a schematic diagram of an embodiment of a device for rapidly recycling high-water engineering sludge according to the present invention;
FIG. 3 is a schematic diagram of an embodiment of a device for rapidly recycling high-water-content engineering sludge.
Detailed Description
As shown in FIG. 1, the method for rapidly recycling the high-water-content engineering sludge comprises the following steps:
s1, collecting engineering sludge data to be treated, wherein the engineering sludge to be treated collects data of the water content, the granularity components, the natural frequency of vibration and the output of the engineering sludge, and a rapid recycling technical parameter and a treatment device are designed according to the data, and the implementation technical parameter 1) the water content W of the engineering sludge is less than or equal to 200%; 2) Natural frequency of natural vibration of engineering sludge is 20 Hz-40 Hz; 3) The resource chemical period time t, when the water content W of the engineering sludge is 140-200%, the construction period time t is 36-48 h, and when the water content W of the engineering sludge is less than 140%, the construction period time t is 36h; 4) The distance between the vibrating bars is 0.6 m-0.8 m, when the water content W and the cosmid content (the cosmid content in the engineering sludge) of the engineering sludge are both higher, the distance between the vibrating bars adopts a smaller value, and otherwise, a larger value is adopted; 5) The distance between the vacuum tube and the vibrating rod is 0.3 m-0.4 m, when the water content W and the cosmid content (the cosmid content in the engineering sludge) of the engineering sludge are both higher, the small value is used, and otherwise, the large value is used; 6) Static pre-compression load: from 10kPa to 40kPa (static pressure load 10kPa to 40 kPa); 7) The sludge confining pressure of the sludge container (confining pressure refers to the pressure exerted by surrounding rock mass of rock on the sludge container) is less than or equal to 40kPa (20-40 kPa); 8) Soil moisture content after sludge recycling: the water content W of the engineering sludge is less than or equal to 48% when the clay is the main material, and is less than or equal to 38% when the powder is the main material;
s2, installing a treatment device, wherein the treatment device is a sludge container, both sides of the sludge container are provided with drainage outlets, the drainage outlets are connected with drainage pipelines, drainage pumps are arranged on the drainage pipelines, the other ends of the drainage pipelines are communicated with drainage receiving tanks, a bottom surface airtight film and side surface airtight films are respectively paved on the bottom surface and the peripheral side walls of the sludge container, a lower non-woven geotextile layer is paved on the bottom surface airtight film, a water collecting layer is arranged on the lower non-woven geotextile layer, and an upper non-woven geotextile layer is paved on the water collecting layer; (2) adding engineering sludge to be treated into a sludge container, wherein two sides of the engineering sludge to be treated are separated from side airtight films on the side wall of the sludge container by a certain gap, the distance between the two sides of the engineering sludge to be treated and the two side airtight films on the side wall of the sludge container by a certain gap is at least 5cm, the specific gap distance is preferably 5cm, water can be discharged through the gap, the subsequent treatment is facilitated, water in the sludge is quickly boosted and discharged, the high-water-content sludge is changed into low-water-content soil, the distance between the two sides of a metal cover plate and the inner wall of the sludge container is 0.3-0.5 mm, the upper surface of the engineering sludge to be treated is covered with a metal cover plate, an upper surface nonwoven geotechnical cloth layer is arranged between the metal cover plate and the engineering sludge to be treated, and a vibrating rod hole, a vibrating rod hole and a vacuum tube hole are arranged on the metal cover plate; (3) the vacuum pressure sensor is buried in the engineering sludge to be treated of the sludge container and is connected with an external vacuum pressure gauge; (4) the first vertical vibrating rod, the second vertical vibrating rod and the vacuum tube are respectively inserted into the first hole of the vibrating rod, the second hole of the vibrating rod and the vacuum tube hole, the first vertical vibrating rod and the second vertical vibrating rod are inserted into the sludge to be processed, the vacuum tube is higher than the horizontal surface of the vacuum tube hole, the heights of the first vertical vibrating rod and the second vertical vibrating rod are consistent, the first vertical vibrating rod, the second vertical vibrating rod and the vacuum tube are distributed at equal intervals in a matrix, the distance between the upper end surface of the first vertical vibrating rod and the metal cover plate is smaller than the distance between the second vertical vibrating rod and the metal cover plate, the distance between the first vertical vibrating rod and the second vertical vibrating rod in the sludge to be processed is 0.6 m-0.8 m, the first vertical vibrating rod and the second vertical vibrating rod are distributed in a square shape, the first vertical vibrating rod and the second vertical vibrating rod are connected with each other through a connecting wire, the vacuum tubes are connected with an air compressor of external equipment through a pipeline, and the vacuum pump of the external equipment is connected with the pipeline; (5) the upper surface of the metal cover plate is provided with a high-power vibrator, the power of the high-power vibrator is more than 30KW, and the high-power vibrator is respectively connected with an air compressor of external equipment and a vacuum pump of the external equipment; s3, operating the treatment device, (1) placing a static pressure load carrier on the upper surface of the metal cover plate, wherein the static pressure load carrier can be prefabricated concrete or a hydraulic jack with the size of 10 kilonewtons (kN), regulating the static pressure load on the metal cover plate by adding a plurality of prefabricated concrete, and regulating the static pressure load on the metal cover plate by regulating the hydraulic jack, so that the static pressure load is applied to the sludge to pressurize the sludge so as to generate high pore pressure on water contained in the sludge, and the subsequent resonance procedure is convenient until the sludge surrounding pressure in the sludge container rises to 10-40 kPa; (2) starting a high-power vibrator; (3) simultaneously starting an air compressor and a vacuum pump, forming positive pressure and negative pressure coupling for sludge in a sludge container by a vertical vibrating rod I, a vertical vibrating rod II and a vacuum tube, solidifying the sludge in the sludge container by vibrating drainage overlapped with the positive pressure at the upper part, and pumping water in the sludge in continuous up-and-down movement into a drainage receiving tank by starting a drainage pump; (4) meanwhile, observing the water yield of the vacuum pressure gauge and the drainage pipeline and the sinking change condition of the metal cover plate, adjusting the air compressor to change the vibration frequency of the vibration rod to be close to the natural frequency of the self-vibration of the sludge, and forming the resonance of the sludge in the sludge container; (5) when the water yield of the drainage pipeline is close to zero or the sinking of the metal cover plate is not carried out, the air compressor and the vacuum pump are closed, at the moment, the sludge in the sludge container is taken out for water content measurement, when the water content measurement index reaches or is close to a design value, the treatment construction is finished, and when the water content measurement index does not reach the design value, the high-power vibrator, the air compressor and the vacuum pump are adjusted until the soil water content reaches the design value. The invention adopts the steps that a static load carrier is firstly added on a metal cover plate, static load pressurization is applied to the sludge to enable water contained in the sludge to generate high pore pressure, then a high-power vibrator is started, an air compressor and a vacuum pump are started at the same time to enable the high-power vibrator, the air compressor and the vacuum pump to generate a fluctuation field for internal and external vibration of the sludge, then the high-power vibrator, the air compressor and the vacuum pump are regulated to enable the vibration frequency to reach or be close to the natural frequency of the sludge to cause resonance, meanwhile, the vacuum pump is used for vacuum pumping of the sludge body through a vacuum tube to generate a negative pressure field around the vacuum tube, so that a special static-dynamic water drainage consolidation mode of static-dynamic superposition and positive pressure negative pressure coupling is formed for the sludge, water in the sludge is promoted to be rapidly boosted and discharged, and the high-water-content sludge is changed into low-water-containing soil.
The invention has the beneficial effects that: the invention can utilize the high-water-content engineering sludge with the water content of more than 150%, so that the recycling of resources is greatly realized, and the high-water-content engineering sludge contains clay particles, powder particles, sand grains, oil dirt, organic matters, heavy metals or discharged harmful substances, and if the sludge is discharged at will, serious environmental pollution is caused, the environment-friendly development requirement advocated by modern times is not facilitated, and the development concept of harmony between people and nature advocated by the present time is also not facilitated.
In the invention, a negative pressure field is generated around the vacuum tube, so that a special static-dynamic drainage consolidation mode of static-dynamic superposition and positive pressure negative pressure coupling is formed for sludge, and the sludge coupling vibration drainage consolidation mechanism is as follows: by establishing an artificial vibration source fluctuation field in the mud surface and the mud body, mechanical fluctuation with a certain frequency (reaching or approaching the natural frequency of the mud) is transmitted to the soil body with a certain designed depth range, so that resonance phenomenon is generated. The soil body is provided with a plurality of vibration sources according to different intervals and depths, a plurality of vibration rings which are overlapped and connected are generated during resonance, so that a large number of micro cracks are generated in the sludge, pore water subjected to static pressure is quickly permeated along the micro cracks to be converted into free water under the action of a vacuum negative pressure field, the free water is sucked out by a vacuum pipe, repeated up-and-down vibration and alternate vibration are carried out and are organically coupled with the vacuum negative pressure, the pore water pressure gradient can be quickly increased, the free water is permeated along the continuously enlarged cracks to be sucked out by the vacuum pipe of the vacuum pump, or the free water is permeated into a bottom water collecting layer after being pressed to be discharged through a drainage pipeline, and the rapid dehydration and solidification of the sludge are achieved. The rapid recycling technology of the high-water-content engineering sludge can be completed within 28-48 hours, the time is extremely short, the efficiency is greatly improved, the time cost is saved, and the investment of the cost is reduced.
As shown in fig. 2, the high-water-content engineering sludge rapid recycling device comprises a sludge container 1, wherein both sides of the sludge container 1 are respectively provided with a drainage outlet 11, the drainage outlets 11 are respectively connected with a drainage pipeline, drainage pumps are arranged on the drainage pipelines, the other ends of the drainage pipelines are communicated with a drainage receiving pool, a bottom surface airtight film 12 and side airtight films 13 are respectively paved on the bottom surface and the peripheral side walls of the sludge container 1, a lower non-woven geotechnical cloth layer 14 is paved on the bottom surface airtight film 12, a water collecting layer 15 is arranged on the lower non-woven geotechnical cloth layer 14, and an upper non-woven geotechnical cloth layer 16 is paved on the water collecting layer 15; adding engineering sludge 2 to be treated into a sludge container 1, wherein two side edges of the engineering sludge 2 to be treated are separated from side air-impermeable films 13 on the side wall of the sludge container 1 by a certain gap, the distance between the two side edges of the engineering sludge 2 to be treated and the two side air-impermeable films 13 on the side wall of the sludge container 1 by a certain gap is at least 5cm, the distance between the two side edges of a metal cover plate 3 and the inner wall of the sludge container 1 is 0.3-0.5 mm, the upper surface of the engineering sludge 2 to be treated is covered with a metal cover plate 3, an upper surface non-woven geotechnical cloth layer is arranged between the metal cover plate 3 and the engineering sludge 2 to be treated, and a vibrating rod hole, a vibrating rod hole and a vacuum pipe hole are formed in the metal cover plate 3; the vacuum pressure sensor 21 is buried in the engineering sludge 2 to be treated of the sludge container 1, and the vacuum pressure sensor 21 is connected with an external vacuum pressure gauge 211; a first vertical vibrating rod 22, a second vertical vibrating rod 23 and a vacuum tube 24 are respectively inserted into the first hole of the vibrating rod, the second hole of the vibrating rod and the vacuum tube hole, the first vertical vibrating rod 22 and the second vertical vibrating rod 23 are inserted into the engineering sludge 2 to be treated, the vacuum tube 24 is higher than the horizontal surface of the vacuum tube hole, the heights of the first vertical vibrating rod 22 and the second vertical vibrating rod 23 are consistent, the first vertical vibrating rod 22, the second vertical vibrating rod 23 and the vacuum tube 24 are distributed at equal intervals in a matrix, the distance between the upper end surface of the first vertical vibrating rod 22 and the metal cover plate 3 is smaller than the distance between the second vertical vibrating rod 23 and the metal cover plate 3, the first vertical vibrating rod 22 and the second vertical vibrating rod 23 are connected with each other through connecting wires, the connecting wires are connected with an air compressor 4 of external equipment, the vacuum tubes 24 are communicated with each other through pipelines, and the pipelines are connected with a vacuum pump 5 of the external equipment; the upper surface of the metal cover plate 3 is provided with a high-power vibrator 31, and the high-power vibrator 31 is respectively connected with an air compressor of external equipment and a vacuum pump of the external equipment.
The lower nonwoven geotextile layer 14 is 150g/m 2 The method comprises the steps of carrying out a first treatment on the surface of the The upper nonwoven geotextile layer 16 is 150g/m 2 A knitted fabric; the specification model adopted by the upper surface non-woven geotechnical cloth layer is 150g/m 2 The upper surface non-woven geotextile layer of the knitted fabric is one or two upper surface non-woven geotextile layers.
The water collecting layer 15 adopts a middle coarse sand or pebble layer with the mud content less than 3%, and the thickness of the water collecting layer 15 is 0.2m.
The sludge container 1 is installed on the ground to form a fixed sludge container, i.e. a fixed treatment device, the side wall of the fixed sludge container, i.e. the fixed treatment device, is a wall body formed by a wooden piece or a metal piece cofferdam, a foundation pit (the size is 3m x 3m,4m x 4m, 5m x 5m square) is excavated on the ground, the foundation pit comprises a pit bottom and pit four-wall sealing film, a lower layer non-woven geotextile 14 of the pit bottom, a water collecting layer 15 (the thickness is 0.2m, sand stone or other perforated materials can be used, but the mud content of the sand layer is less than 3%), an upper layer non-woven geotextile 16, a metal cover plate 3 (holes are formed on the metal cover plate, and are respectively used for inserting a vibrating rod and a vacuum tube), a vibrating rod (a first vibrating rod 22 and a second vibrating rod 23), a vacuum tube 24, a high-power vibrator 31, a vacuum pressure gauge 211, a static pressure load carrier 6, an air compressor 4, a vacuum pump 5 and a drain outlet 11 (see figure 2), and the fixed sludge container, i.e. the fixed treatment device is generally designed and constructed in a site or a piling site.
The invention discloses a movable sludge container, namely a movable treatment device, which is formed by installing a sludge container 1 on a movable dump truck, wherein the dump truck consists of a truck head 7 and a fixing device 8 (see figure 3).
The static pressure load carrier 6 is placed on the upper surface of the metal cover plate 3, and the static pressure load carrier 6 can be made of 10 kilonewtons precast concrete or hydraulic jacks.
The invention has the beneficial effects that: the invention has reasonable design and is convenient for people to implement and operate, thereby being capable of rapidly recycling the engineering sludge with high water content, achieving the environmental protection aim of removing waste and benefiting the sludge into usable soil, having important environmental protection function and economic value of changing waste into valuable, and having great application prospect; the sludge container is arranged on the ground to form a fixed sludge container, namely a fixed treatment device, and the sludge container is arranged on the movable dump truck to form a movable sludge container, namely a movable treatment device, so that the fixed sludge container, namely the fixed treatment device (a construction site or a fixed place) or the movable sludge container, namely the movable treatment device, can be selected according to site conditions and environmental protection requirements, can be produced in a factory series and in an intensive manner, and can meet the modern development and use requirements.
The size and amount of the sludge container in the present invention depends on the amount and amount of the engineering sludge to be treated. Considering vibration energy of a vibration rod and digging and transporting of treated soil, the depth of a sludge container is preferably not deeper than 2.0m, the length of the vibration rod (a vertical vibration rod I and a vertical vibration rod II) is 1.0-1.3 m, the distance between the vibration rods is not more than 0.8m due to the high viscosity of engineering sludge, the distance between a vacuum tube and the vibration rod is not more than 0.4m, the length of the vacuum tube is not inserted into a water collecting layer at the bottom of the sludge container, in order to prevent the sludge from flowing out when the sludge is static pressure, the upper surface of the vacuum tube is a layer of upper surface non-woven geotechnical cloth or two layers of upper surface non-woven geotechnical cloth, a lifting ring, a vibration rod I hole, a vibration rod II hole and a vacuum pipe hole are welded on a metal cover plate, the hole distance is 0.4m, the aperture of the vacuum pipe hole is 30mm (for inserting the vibration rod), the size of the vibration rod I hole and the vibration rod II hole is 50mm (for inserting the vibration rod is slightly smaller than the surface size of the sludge container), and the distance between two side edges of the metal cover plate and the inner wall of the sludge container is 0.3-0.5 mm.
Examples
The foundation of a certain engineering foundation is a punched bored pile, the diameter of the pile is 1.2m, the depth of a hole is 30m, the upper section of the drilled hole is 20m of silt powder mixing sand, 21 m-25 m of the silt powder clay, the lower 3m of the silt powder clay is granite residual soil, and finally 2m of the silt powder clay is weathered granite, and a hole is formed by adopting slurry wall protection impact. The whole site is designed into 50 bored piles, the outside of the site enclosing wall is an existing building, and sludge generated by pile foundations is not allowed to be discharged.
1) Collecting data of engineering sludge to be treated, collecting data of water content, granularity components, natural frequency of vibration and output of engineering sludge of the engineering sludge to be treated, wherein the water content of the sludge is 130% -140%, the water content of clay mainly containing clay is 60%, the water content of clay mainly containing powder particles is 35%, the natural frequency of vibration of the sludge is 26 Hz-29.5 Hz, and the total generation amount of the sludge is greater than 9000m 3 Drilling and pulping construction period 150d (days). Designing rapid recycling technical parameters according to the data, and carrying out rapid recycling treatment on sludge by adopting a fixed sludge container, namely a fixed treatment device (station fixed recycling device);
2) The method comprises the steps of installing a fixed treatment device, excavating three pits with the length, the width and the depth of 5m, 5m and 1.2m respectively in a non-drilling construction area, erecting a metal template with the same size on each pit wall (wherein the pit wall and the pit bottom form a sludge container), arranging drainage outlets on two sides of the pit bottom, connecting drainage pipelines with drainage pipes, arranging drainage pumps on the drainage pipelines, communicating drainage receiving ponds at the other ends of the drainage pipelines, paving a bottom surface airtight thin film on the pit bottom, and paving side airtight thin films on the periphery of the pit side wall; the bottom surface of the pit bottom is airtight, and a layer of 150g/m is paved on the bottom surface of the pit bottom 2 A lower nonwoven geotextile layer; the middle coarse sand water-collecting layer or pebble layer water-collecting layer with mud content less than 3% is arranged on the lower non-woven geotechnical cloth layer, and the thickness of the water-collecting layer is 0.2m; paving a non-woven geotextile layer on the water collecting layer, wherein the specification and model of the upper non-woven geotextile layer are 150g/m2 knitted fabric; adding engineering sludge to be treated into the pit pool, wherein the engineering sludge to be treated and the pitThe side wall of the pond is paved with side airtight films with the interval distance of 5cm (more favorable for drainage), the upper surface of the engineering sludge to be treated is paved with one or two layers of upper surface non-woven geotextile layers, and the specification model adopted by the upper surface non-woven geotextile layers is 150g/m 2 The upper surface of the upper surface nonwoven geotextile layer is provided with a gland which is slightly smaller than a pit opening of 5m x 5m by 0.3 mm-0.5 mm, the metal cover is provided with a vibrating rod first hole, a vibrating rod second hole and a vacuum pipe hole, the aperture of the vibrating rod first hole and the aperture of the vibrating rod second hole are both 30mm, the aperture of the vacuum pipe hole is 50mm, and the distance between the vacuum pipe hole and the vibrating rod first hole and the distance between the vacuum pipe hole and the vibrating rod second hole are both 40cm; 1m is arranged outside the pit-leaving pool 15m 3 Air compressor of (2) and 1m 3 (or 3 m) 3 ) Is arranged outside the pit pool 15m by 6m 3 A vacuum pressure sensor is buried in the engineering sludge to be treated, the vacuum pressure sensor is connected with an external vacuum pressure gauge, 30 vibrating rods and 30 vacuum tubes are arranged in each pit, and 1m of the whole pit is arranged 3 Air compressor of (2) and 3m 3 One vacuum pump of (2), the vibration rod is all with 1m 3 Is connected with the air compressor of the (2), and the vacuum pipes are all 3m 3 Is connected with a vacuum pump of the device;
3) The metal cover plate is loaded (the load is 10kN precast concrete or a hydraulic jack) and is increased from 10kN to 30 kN-40 kN, when the number of the pressure gauge reaches 40kPa, the constant load is 2.0-4.0 hours, and the vacuum pump communicated with the lower sand layer is started for drainage;
4) Respectively inserting a vibrating rod and a vacuum tube into the holes of the upper metal cover plate according to the design, placing a high-power vibrator on the upper surface of the metal cover plate, and respectively connecting the high-power vibrator with an air compressor and a vacuum pump;
5) Starting an air compressor to vibrate and vacuum a vacuum pump to vacuumize, wherein the vibration frequency is gradually increased from 1.5Hz to approximately 2.5-3.0 Hz, and the vacuum degree of the vacuum pipe is increased from 30kPa to 60kPa to form static pressure and dynamic pressure coupling and positive pressure and negative pressure superposition fluctuation drainage consolidation;
6) The treatment time is as follows: 30m 3 The container pit pool is 28h (hours) to 36h (hours), wherein static pre-pressing is 2h to 4h, static and dynamic coupling is carried out on positive and negativePressure superposition and adjustment of 9000m generated by 26-32 h and 150d (days) 3 Slurry synchronization is completed within 150 d;
7) Recycling results: the water content of the soil is less than 45 percent, and the state of the clay is reached.
The invention has the beneficial effects that: the invention can utilize the high-water-content engineering sludge with the water content of more than 150%, so that the recycling of resources is greatly realized, and the high-water-content engineering sludge contains clay particles, powder particles, sand grains, oil dirt, organic matters, heavy metals or discharged harmful substances, and if the sludge is discharged at will, serious environmental pollution is caused, the environment-friendly development requirement advocated by modern times is not facilitated, and the development concept of harmony between people and nature advocated by the present time is also not facilitated.
Claims (8)
1. The rapid recycling method of the high-water-content engineering sludge is characterized by comprising the following steps of:
s1, collecting engineering sludge data to be treated, collecting engineering sludge water content, granularity components, natural vibration frequency and engineering sludge output data of the engineering sludge to be treated, and designing a rapid recycling technical parameter and a treatment device according to the data;
s2, installing a treatment device, wherein the treatment device is a sludge container, both sides of the sludge container are provided with drainage outlets, the drainage outlets are connected with drainage pipelines, drainage pumps are arranged on the drainage pipelines, the other ends of the drainage pipelines are communicated with drainage receiving tanks, a bottom surface airtight film and side surface airtight films are respectively paved on the bottom surface and the peripheral side walls of the sludge container, a lower non-woven geotextile layer is paved on the bottom surface airtight film, a water collecting layer is arranged on the lower non-woven geotextile layer, and an upper non-woven geotextile layer is paved on the water collecting layer; (2) adding engineering sludge to be treated into a sludge container, wherein two sides of the engineering sludge to be treated are separated from side airtight films on the side wall of the sludge container by a certain gap, the distance between the two sides of the engineering sludge to be treated and the airtight films on the two sides of the side wall of the sludge container by a certain gap is at least 5cm, the upper surface of the engineering sludge to be treated is covered with a metal cover plate, an upper surface nonwoven geotechnical cloth layer is arranged between the metal cover plate and the engineering sludge to be treated, and a vibrating rod first hole, a vibrating rod second hole and a vacuum pipe hole are formed in the metal cover plate; (3) the vacuum pressure sensor is buried in the engineering sludge to be treated of the sludge container and is connected with an external vacuum pressure gauge; (4) the first vertical vibrating rod, the second vertical vibrating rod and the vacuum pipe are respectively inserted into the first hole, the second hole and the vacuum pipe hole of the vibrating rod, the first vertical vibrating rod and the second vertical vibrating rod are inserted into the engineering sludge to be treated, the vacuum pipe is higher than the horizontal surface of the vacuum pipe hole, the heights of the first vertical vibrating rod and the second vertical vibrating rod are consistent, the first vertical vibrating rod, the second vertical vibrating rod and the vacuum pipe are distributed at equal intervals in a matrix, the distance between the upper end surface of the first vertical vibrating rod and the metal cover plate is smaller than the distance between the second vertical vibrating rod and the metal cover plate, the first vertical vibrating rod and the second vertical vibrating rod are connected with each other through connecting wires, the connecting wires are connected with an air compressor of external equipment, the vacuum pipes are mutually communicated through pipelines, and the pipelines are connected with a vacuum pump of the external equipment; (5) the upper surface of the metal cover plate is provided with a high-power vibrator which is respectively connected with an air compressor of external equipment and a vacuum pump of the external equipment;
s3, operating the treatment device, (1) placing a static pressure load carrier on the upper surface of the metal cover plate until the sludge surrounding pressure in the sludge container rises to 10-40 kPa; (2) starting a high-power vibrator; (3) simultaneously starting an air compressor and a vacuum pump, forming positive pressure and negative pressure coupling for sludge in a sludge container by a vertical vibrating rod I, a vertical vibrating rod II and a vacuum tube, solidifying the sludge in the sludge container by vibrating drainage overlapped with the positive pressure at the upper part, and pumping water in the sludge in continuous up-and-down movement into a drainage receiving tank by starting a drainage pump; (4) meanwhile, observing the water yield of the vacuum pressure gauge and the drainage pipeline and the sinking change condition of the metal cover plate, adjusting the air compressor to change the vibration frequency of the vibration rod to be close to the natural frequency of the self-vibration of the sludge, and forming the resonance of the sludge in the sludge container; (5) when the water yield of the drainage pipeline is close to zero or the sinking of the metal cover plate is not carried out, the air compressor and the vacuum pump are closed, at the moment, the sludge in the sludge container is taken out for water content measurement, when the water content measurement index reaches or is close to a design value, the treatment construction is finished, and when the water content measurement index does not reach the design value, the high-power vibrator, the air compressor and the vacuum pump are adjusted until the soil water content reaches the design value.
2. The method for rapidly recycling the engineering sludge with high water content according to claim 1, wherein the technical parameters of the rapid recycling of the engineering sludge to be treated in the step S1 are set according to the engineering sludge water content W of the engineering sludge and the self-vibration fixed frequency ω0 of the sludge, specifically: the water content W of the engineering sludge is less than or equal to 200 percent, and the self-vibration fixed frequency omega 0 is 20Hz to 40Hz.
3. The rapid recycling method of high-water-content engineering sludge according to claim 1, wherein in the step S2, the distance between a first vertical vibrating rod and a second vertical vibrating rod in the engineering sludge to be treated is 0.6-0.8 m, the first vertical vibrating rod and the second vertical vibrating rod are distributed in a square shape, the depth of the first vertical vibrating rod and the second vertical vibrating rod in the engineering sludge to be treated is 1.0-1.3 m, and the power of the high-power vibrator is more than 30KW.
4. The method for rapidly recycling high-water-content engineering sludge according to claim 1, wherein the static pressure load carrier in the step S3 can be 10 kilonewtons of precast concrete or hydraulic jacks.
5. The high-water-content engineering sludge rapid recycling device applying the high-water-content engineering pollution rapid recycling method according to any one of claims 1-4 is characterized by comprising a sludge container, wherein both sides of the sludge container are provided with drainage outlets, the drainage outlets are connected with drainage pipelines, drainage pipelines are provided with drainage pumps, the other ends of the drainage pipelines are communicated with drainage receiving ponds, the bottom surface and the peripheral side walls of the sludge container are respectively paved with a bottom surface airtight film and a side surface airtight film, the bottom surface airtight film is paved with a lower non-woven geotextile layer, the lower non-woven geotextile layer is provided with a water collecting layer, and the water collecting layer is paved with an upper non-woven geotextile layer; adding engineering sludge to be treated into a sludge container, wherein two sides of the engineering sludge to be treated are separated from side airtight films on the side wall of the sludge container by a certain gap, the distance between the two sides of the engineering sludge to be treated and the airtight films on the two sides of the side wall of the sludge container by a certain gap is at least 5cm, the upper surface of the engineering sludge to be treated is covered with a metal cover plate, an upper surface nonwoven geotechnical cloth layer is arranged between the metal cover plate and the engineering sludge to be treated, and a vibrating rod first hole, a vibrating rod second hole and a vacuum pipe hole are formed in the metal cover plate; the vacuum pressure sensor is buried in the engineering sludge to be treated of the sludge container and is connected with an external vacuum pressure gauge; the first vertical vibrating rod, the second vertical vibrating rod and the vacuum pipe are respectively inserted into the first hole, the second hole and the vacuum pipe hole of the vibrating rod, the first vertical vibrating rod and the second vertical vibrating rod are inserted into the engineering sludge to be treated, the vacuum pipe is higher than the horizontal surface of the vacuum pipe hole, the heights of the first vertical vibrating rod and the second vertical vibrating rod are consistent, the first vertical vibrating rod, the second vertical vibrating rod and the vacuum pipe are distributed at equal intervals in a matrix, the distance between the upper end surface of the first vertical vibrating rod and the metal cover plate is smaller than the distance between the second vertical vibrating rod and the metal cover plate, the first vertical vibrating rod and the second vertical vibrating rod are connected with each other through connecting wires, the connecting wires are connected with an air compressor of external equipment, the vacuum pipes are mutually communicated through pipelines, and the pipelines are connected with a vacuum pump of the external equipment; the upper surface of the metal cover plate is provided with a high-power vibrator which is respectively connected with an air compressor of external equipment and a vacuum pump of the external equipment; the specification model adopted by the lower non-woven geotechnical cloth layer is 150g/m < 2 >; the upper non-woven geotextile layer adopts a specification model of 150g/m2 knitted fabric; the upper surface non-woven geotextile layer is a knitted fabric with the specification model of 150g/m2, and is one or two layers of upper surface non-woven geotextile layer; the water collecting layer adopts a middle coarse sand or pebble layer with the mud content less than 3 percent, and the thickness of the water collecting layer is 0.2m.
6. The rapid recycling apparatus for high water content engineering sludge according to claim 5, wherein the sludge container is installed on the ground to form a stationary sludge container, i.e., a stationary treatment apparatus.
7. The rapid recycling device for high-water-content engineering sludge according to claim 5, wherein the sludge container is mounted on a movable dump truck to form a movable sludge container, namely a movable treatment device.
8. The rapid recycling device for high-water-content engineering sludge according to claim 5, further comprising a static pressure load carrier placed on the upper surface of the metal cover plate, wherein the static pressure load carrier can be prefabricated concrete or hydraulic jacks with the size of 10 kilonewtons.
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