CN210305011U - Shield constructs construction dregs processing system - Google Patents
Shield constructs construction dregs processing system Download PDFInfo
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- CN210305011U CN210305011U CN201921212328.4U CN201921212328U CN210305011U CN 210305011 U CN210305011 U CN 210305011U CN 201921212328 U CN201921212328 U CN 201921212328U CN 210305011 U CN210305011 U CN 210305011U
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Abstract
The utility model relates to a shield constructs construction dregs processing technology field, especially relates to a shield constructs construction dregs processing system and processing method, the dregs that the shield constructs the construction and produces get into one-level double-deck shale shaker after broken the stirring through broken agitating unit, oversize thing discharge system, the undersize thing gets into sieve conical tank, sieve conical tank passes through the pump and connects the swirler, insert the pans through the swirler overflow mouth, the pans discharge gate passes through the pipeline and inserts the overflow pond, the mud in the overflow pond is pumped to the flocculation tower through the pump, be connected with automatic medicine adding device in the flocculation tower, pump the flocculation medicament into the flocculation tower; slurry in the flocculation tower is pumped to a filter press through a pump, mud cakes are dried through the filter press for treatment, treated clean water flows into a clean water tank for reuse, and the dried mud cakes are discharged out of the system, so that graded solid-liquid separation of components with different particle sizes and water in shield muck is realized, reuse of inorganic raw materials and water resources of the shield muck is realized, social resources are saved, and huge economic benefits are generated.
Description
Technical Field
The utility model relates to a shield constructs construction dregs processing technology field, especially relates to a shield constructs construction dregs processing system.
Background
The shield machine is widely applied to urban subway construction due to the factors of safety, high construction efficiency, low cost, wide applicable stratum and the like, and in the tunneling process of the shield machine, due to the reasons of stratum moisture, bentonite added in the tunneling process and the like, the transported slag soil contains a large amount of moisture and is even in a semi-flowing state. At present, the shield muck is treated in a yard by direct outward transportation, and the transportation efficiency of the method is low due to the high water content of the shield muck, so that the leakage and the road pollution are easy to occur in the transportation process. And a large amount of national soil resources are wasted by piling up high-water-content dregs in subway construction, large-scale cultivated land is occupied, the water-containing dregs are unstable in piling up and are easy to cause disasters such as landslide and collapse, the dregs are also one of main pollution sources of sand and dust pollution, and the liquid leaching of the dregs can cause serious pollution to water resources near a yard.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model provides a shield constructs construction dregs processing system has solved the produced dregs of shield construction and has stacked the problem, avoids the produced pollution that dregs of shield construction formed, carries out stage treatment and cleaning to inorganic raw materials and water resource in the shield dregs of shield simultaneously to make the shield to construct dregs of shield and can recycle.
The technical scheme of the utility model as follows:
a shield construction muck treatment system comprises a crushing and stirring device and a first-stage double-layer vibrating screen arranged right below a discharge port of the crushing and stirring device, wherein a feed port of the first-stage vibrating screen is positioned right below the discharge port of the crushing and stirring device, a first-stage screen cone tank is arranged right below an undersize outlet of the first-stage double-layer vibrating screen, a feed port of the first-stage screen cone tank is positioned right below a discharge port of the first-stage double-layer vibrating screen, a discharge port of the first-stage screen cone tank is connected with a feed port of a second-stage screen cone tank through a pipeline, the discharge port of the first-stage screen cone tank and the feed port of the second-stage screen cone tank are positioned at the same height, a discharge port of the second-stage screen cone tank is connected with a feed port of a first-stage swirler through a pump, an underflow outlet of the first-stage double-layer vibrating screen is positioned, the overflow in the overflow tank passes through the pump and goes into the flocculation tower, and the flocculation tower has automatic reagent feeding device through pipe connection, and the clear water export of flocculation tower passes through the pipe connection clear water tower, and mud in the flocculation tower passes through the pump and carries to the pressure filter, pressure filter clear water export is located the clear water pond directly over, carries out mummification dehydration through the pressure filter and handles, and mud cake after the processing is by discharge system, and liquid after the pressure filter is discharged in the clear water pond.
Furthermore, an oversize outlet of the second-stage double-layer vibrating screen is positioned above a sand washing groove of the impeller sand washer, underflow in the sand washing groove is fished out through rotation of an impeller of the impeller sand washer and is conveyed into a feed port of the third-stage vibrating screen, mud in the sand washing groove is pumped into a feed port of the second-stage cyclone, an overflow outlet of the second-stage cyclone is connected with an overflow tank, the underflow outlet is connected with the third-stage vibrating screen, the third-stage vibrating screen discharges the underflow out of the system, and the overflow outlet of the impeller sand washer is connected into the overflow tank through a pipeline. So that the sand quality can be improved by the impeller sand washer.
Still further, the clear water tower passes through the pump and connects broken agitating unit for the accessible high-pressure water washing slag stone.
Still further, the clean water tank is connected with an impeller sand washer through a pump, so that the underflow solid phase in the impeller sand washer can be washed through high-pressure water.
Still further, all be connected with high pressure water pipe on one-level double-deck shale shaker and the double-deck shale shaker of second grade for the accessible high pressure water washes, reduces the clay of grit adhesion, effectively reduces the mud content of grit, provides better condition for grit resource recycle.
Preferably, the intermediate tank is provided with a liquid level float switch, a float ball of the liquid level float switch is arranged in the secondary sieve cone tank, when the liquid level in the secondary sieve cone tank reaches a preset value, the float switch is turned on, and the slurry in the intermediate tank flows into the overflow tank.
The automatic dosing device is through the input flow of control module control pump come the flocculation reagent pump to go into the flocculation tower in, control module adjusts the flow that the flocculation reagent pump was gone into in the flocculation tower according to the flow of going into in the flocculation tower from the overflow tank internal pump, installs the flowmeter on the connecting tube of overflow tank and flocculation tower promptly, and control module obtains the flow of this flowmeter and comes the control pump to go into the flow of flocculation reagent in the flocculation tower.
A shield construction muck treatment method comprises the following steps:
step 1: the produced dregs of shield structure construction are transported to broken agitating unit, carry out the breakage with the stone that the particle diameter is greater than 5mm through broken agitating unit, stir after the breakage, provide good processing condition for the subsequent handling.
Step 2: during the dregs after broken agitating unit handled got into one-level double-deck shale shaker, the grit that the particle diameter is greater than 3mm was discharged the system to the high pressure water on the one-level double-deck shale shaker continuously washes one-level double-deck shale shaker, reduces the mud content of grit.
And step 3: undersize, namely sand and slurry which are less than or equal to 3mm in the first-stage double-layer vibrating screen enter a first-stage screen cone tank for temporary storage, and the sand and slurry in the first-stage screen cone tank enter a second-stage screen cone tank again.
And 4, step 4: the mixture of slurry and sand in the secondary sieve cone tank is pumped into a primary cyclone, the primary cyclone is used for separating the particle size, the sand with the particle size larger than 74um is discharged onto a secondary double-layer vibrating screen for sieving and dewatering and then is discharged into a sand washing groove of an impeller sand washer, and meanwhile, the sand is continuously washed by high-pressure water on the secondary double-layer vibrating screen, so that the mud content in the sand is reduced; the grit and the mud overflow that first grade swirler is less than and equals to 74um flow into the pans, and the liquid level of installing the liquid level float switch control second grade sieve awl jar on the pans, when the liquid level on the second grade sieve awl jar reached certain height, the grit and the mud in the pans flow into the overflow pond in.
And 5: the grit that gets into in impeller sand washer sand washing groove is rotatory through the impeller after the high pressure water washing stirring and is fished out, transport and sieve the discharge system after the dehydration on tertiary shale shaker, mud in the impeller sand washer sand washing groove is gone into the second grade swirler and is carried out the particle size separation by the pump, grit and the mud that its particle size is less than and equals 74um are discharged into in the overflow tank, the grit that is greater than 74um gets into on the tertiary shale shaker and sieves and sieve the discharge system after the dehydration, the mud that lies in impeller sand washer sand washing groove simultaneously is discharged to the overflow tank through the overflow outlet washtrough of impeller sand washer sand washing groove self.
Step 6: the overflow that comes to in first order swirler, impeller sand washer and the second grade swirler has been assembled in the overflow tank, carries out flocculation treatment in going into the flocculation tower with the overflow pump in the overflow tank, simultaneously through automatic reagent feeding device automatic for the flocculation tower add the flocculation medicament with the flocculation process with higher speed.
And 7: the upper part clear solution in the flocculation tower flows into the clear water tower through the mode of overflow, and the clear water in the clear water tower is pumped into and plays dilution, washing and spraying effect in broken agitating unit, and the mud that flocculates in the flocculation tower is pumped into the pressure filter simultaneously and is carried out the mummification dehydration treatment, and the mummification mud cake after the processing is discharged the system, and the liquid after the pressure filter is discharged the clear water pond, and the water in the clear water pond is pumped to play washing and diluting effect in the impeller sand washer.
The utility model has the advantages that: 1. the utility model discloses a screening, whirl, washed-out sand and filter-pressing are handled, realize the hierarchical solid-liquid separation of different particle diameter compositions and water in the shield muck, changing waste into valuables, form the reuse to shield inorganic raw materials of muck and water resource, in the time of practicing thrift social resource, produce huge economic benefits to through screening processing and filter-pressing processing back, the transportation volume reduces greatly, thereby makes the freight add and reduce, the effectual cost of transportation that has reduced.
2. The shield muck environmental protection treatment at a construction site is realized, the shield muck with high water content is classified and separated into coarse sand, medium and fine sand and dried mud cakes, the water content is low, the problem of spilling does not exist in the transportation process, the environmental protection transportation risk does not exist, the problem that the shield construction is restricted normally due to untimely slag discharge is avoided, and a plurality of environmental problems that the road is polluted by spilling, a large amount of national soil resources are required to be wasted in a storage yard, the leachate pollutes the environment and the like caused by a direct outward transportation mode are avoided.
3. And the utility model provides a clear water in clean water tower and the clean water basin has realized recycling, has reduced the required circulation water yield of system to all having inserted the high pressure water washing in broken agitating unit, the double-deck shale shaker of one-level, the double-deck shale shaker of second grade and impeller sand washer, reduced the subsequent equipment treatment pressure.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention;
FIG. 2 is a schematic view of the slag stone treatment process of the present invention;
FIG. 3 is a schematic view of the utility model for treating and utilizing slag;
description of reference numerals: 1. a crushing and stirring device; 2. a first-stage double-layer vibrating screen; 3. a first-stage screening cone tank; 4. a primary swirler; 5. an intermediate tank; 6. a secondary screening cone tank; 7. a second-stage double-layer vibrating screen; 8. an overflow tank; 9. a flocculation tower; 10. a clear water tower; 11. a dosing device; 12. a filter press; 13. a clean water tank; 14. an impeller sand washer; 15. a secondary cyclone; 16. and (4) a third-stage vibrating screen.
Detailed Description
The invention is further described with reference to the accompanying drawings.
Referring to the attached drawing 1, a shield construction residue soil treatment system comprises a crushing and stirring device 1 and a primary double-layer vibrating screen 2 arranged right below a discharge port of the crushing and stirring device 1, wherein a feed port of the primary vibrating screen is positioned right below the discharge port of the crushing and stirring device 1, a primary screen cone tank 3 is arranged right below a screen underflow outlet of the primary double-layer vibrating screen 2, a feed port of the primary screen cone tank 3 is positioned right below a discharge port of the primary double-layer vibrating screen 2, a discharge port of the primary screen cone tank 3 is connected with a feed port of a secondary screen cone tank 6 through a pipeline, a discharge port of the primary screen cone tank 3 and a feed port of the secondary screen cone tank 6 are positioned at the same height, a discharge port of the secondary screen cone tank 6 is connected with a feed port of a primary swirler 4 through a pump, an underflow outlet of the primary swirler 4 is positioned right above a feed port of the secondary double-layer vibrating screen 7, an overflow, the overflow export of pans 5 passes through pipeline access overflow tank 8, overflow in the overflow tank 8 passes through the pump and goes into flocculation tower 9, and flocculation tower 9 has automatic reagent feeding device 11 through the pipe connection, and the clear water export of flocculation tower 9 passes through pipe connection clear water tower 10, and mud in the flocculation tower 9 passes through the pump and delivers to pressure filter 12, pressure filter 12 clear water export is located clear water pond 13 directly over, carries out the mummification dehydration through pressure filter 12, and mud cake after the processing is by discharge system, and liquid after the filter-pressing is discharged in clear water pond 13.
Furthermore, an oversize outlet of the second-stage double-layer vibrating screen 7 is positioned above a sand washing groove of the impeller sand washing machine 14, underflow in the sand washing groove is fished out and conveyed into a feed inlet of the third-stage vibrating screen 16 through rotation of an impeller of the impeller sand washing machine 14, mud in the sand washing groove is pumped into a feed inlet of the second-stage cyclone 15, an overflow outlet of the second-stage cyclone 15 is connected with an overflow tank 8, the underflow outlet is connected with the third-stage vibrating screen 16, the underflow is discharged out of the system through the third-stage vibrating screen 16, and the overflow outlet of the impeller sand washing machine 14 is connected into the overflow tank 8 through a pipeline.
Still further, the clean water tower 10 is connected with the crushing and stirring device 1 through a pump, so that the slag stones can be washed by high-pressure water.
Still further, the clean water tank 13 is connected with the impeller sand washer 14 through a pump, so that the underflow solid phase in the impeller sand washer 14 can be washed by high-pressure water.
Still further, all be connected with high pressure water pipe on one-level double-deck shale shaker 2 and the double-deck shale shaker 7 of second grade for the accessible high pressure water washes, reduces the clay of grit adhesion, effectively reduces the mud content of grit, provides better condition for grit resource recycle.
Preferably, a liquid level float switch is installed on the intermediate tank 5, a float ball of the liquid level float switch is arranged in the secondary screening cone tank 6, when the liquid level in the secondary screening cone tank 6 reaches a preset value, the float switch is turned on, and mud in the intermediate tank 5 flows into the overflow tank 8.
The automatic dosing device 11 is through the input flow of control module control pump with the flocculation reagent pump get into the flocculation tower 9 in, the flow that the flocculation reagent pump got into the flocculation tower 9 is adjusted to the flow that the control module was gone into according to the flow that pumps into the flocculation tower 9 from overflow tank 8, installs the flowmeter on the connecting tube of overflow tank 8 and flocculation tower 9 promptly, and control module obtains the flow of this flowmeter and comes the control pump to get into the flow of flocculation reagent in the flocculation tower 9.
Referring to the attached drawings 1 to 3, the shield construction muck treatment method comprises the following steps:
step 1: the produced dregs of shield structure construction are transported to broken agitating unit 1, carry out the breakage with the stone that the particle diameter is greater than 5mm through broken agitating unit 1, stir after the breakage, provide good processing condition for the subsequent handling.
Step 2: during the dregs after broken agitating unit 1 handles got into one-level double-deck shale shaker 2, the grit that the particle diameter is greater than 3mm was discharged the system to the water under high pressure on the one-level double-deck shale shaker 2 continuously washes one-level double-deck shale shaker 2, reduces the mud content of grit.
And step 3: undersize, namely sand and slurry which are less than or equal to 3mm in the first-stage double-layer vibrating screen 2 enter the first-stage screen cone tank 3 for temporary storage, and the sand and slurry in the first-stage screen cone tank 3 enter the second-stage screen cone tank 6.
And 4, step 4: the mixture of the slurry and the sand in the secondary sieve cone tank 6 is pumped into a primary cyclone 4, the primary cyclone 4 is subjected to particle size separation, the sand with the particle size larger than 74um is discharged onto a secondary double-layer vibrating sieve 7 for sieving and dehydration and then is discharged into a sand washing groove of an impeller sand washing machine 14, and meanwhile, the sand is continuously washed by high-pressure water on the secondary double-layer vibrating sieve 7, so that the mud content in the sand is reduced; the sand and mud overflow that first order swirler 4 is less than and equals to 74um flows into in the intermediate tank 5, and the liquid level of installing the liquid level floater switch control second grade sieve awl jar 6 on intermediate tank 5, and when the liquid level on second grade sieve awl jar 6 reached certain height, the sand and mud in the intermediate tank 5 flowed into in the overflow pond 8.
And 5: the sand and stone entering the sand washing groove of the impeller sand washer 14 are washed and stirred by high pressure water, and then fished out by the rotation of the impeller, and transported to the third-level vibrating screen 16 for screening and dewatering and then discharged out of the system, the slurry in the sand washing groove of the impeller sand washer 14 is pumped into the second-level cyclone 15 for particle size separation, the sand and the slurry with the particle size smaller than or equal to 74um are discharged into the overflow tank 8, the sand and stone larger than 74um enter the third-level vibrating screen 16 for screening and dewatering and then discharged out of the system, and meanwhile, the slurry in the sand washing groove of the impeller sand washer 14 is discharged into the overflow tank 8 through the overflow outlet washing groove of the sand washing groove of the impeller sand washer 14.
Step 6: the overflow from the first-stage cyclone 4, the impeller sand washer 14 and the second-stage cyclone 15 is collected in the overflow tank 8, the overflow in the overflow tank 8 is pumped into the flocculation tower 9 for flocculation treatment, and meanwhile, a flocculation reagent is automatically added into the flocculation tower 9 through the automatic dosing device 11 so as to accelerate the flocculation process.
And 7: the upper part clear liquid in the flocculation tower 9 flows into the clear water tower 10 in an overflow mode, clear water in the clear water tower 10 is pumped into the crushing and stirring device 1 to play a role in diluting, washing and spraying, simultaneously, flocculated slurry in the flocculation tower 9 is pumped into the filter press 12 to be dried and dehydrated, a treated dried sludge cake is discharged out of the system, liquid subjected to filter pressing by the filter press 12 is discharged into the clear water tank 13, and water in the clear water tank 13 is pumped into the impeller sand washer 14 to play a role in washing and diluting.
As above, the one-level double-layer vibrating screen 2 is installed under the discharge port of the crushing and stirring device 1, the feed port of the one-level double-layer vibrating screen 2 is located under the discharge port, so that the slag stone processed by the crushing and stirring device 1 enters and enters the double-layer vibrating screen due to the self gravity, the crushing and stirring device 1 can be supported by the steel frame through the installation of the crushing and stirring device 1 and the one-level double-layer vibrating screen 2, the crushing and stirring device 1 is located over the one-level double-layer vibrating screen 2, the position relation between the one-level sieve cone tank 3 and the one-level double-layer vibrating screen 2, the position relation between the one-level cyclone 4 and the second-level vibrating screen, the position relation between the filter press 12 and the clean water tank 13, and the position relation between the second-level double-layer vibrating screen 7 and the sand washing tank 14 can be installed.
Broken agitating unit 1 accessible prior art the combination of breaker and mixer realize, broken agitating unit 1 can select the mounted position according to the shield structure construction situation, can directly install under the shield constructs the belt conveyor discharge gate, also can transport the slag stone to broken agitating unit 1's in the feed inlet because the operating mode is not allowed.
Claims (7)
1. A shield construction muck treatment system is characterized by comprising a crushing and stirring device (1) and a one-level double-layer vibrating screen (2) arranged under a discharge port of the crushing and stirring device (1), wherein a feed port of the one-level vibrating screen is positioned under the discharge port of the crushing and stirring device (1), a one-level screen cone tank (3) is arranged under a screen underflow outlet of the one-level double-layer vibrating screen (2), a feed port of the one-level screen cone tank (3) is positioned under a discharge port of the one-level double-layer vibrating screen (2), a discharge port of the one-level screen cone tank (3) is connected with a feed port of a second-level screen cone tank (6) through a pipeline, a discharge port of the one-level screen cone tank (3) and a feed port of the second-level screen cone tank (6) are positioned at the same height, a discharge port of the second-level screen cone tank (6) is connected with a feed port of a one-level swirler (4) through a pump, an underflow outlet of, the overflow export of one-level swirler (4) has intermediate tank (5) through the pipe connection, the overflow export of intermediate tank (5) passes through the pipeline and inserts overflow tank (8), overflow in overflow tank (8) is gone into flocculation tower (9) through the pump input, and there is automatic reagent feeding device (11) flocculation tower (9) through the pipe connection, and the clear water export of flocculation tower (9) passes through pipe connection water tower (10), and mud in flocculation tower (9) passes through the pump and carries to pressure filter (12), pressure filter (12) clear water export is located clear water pond (13) directly over, carries out dehydration through pressure filter (12), and mud cake after the processing is discharged the system, and liquid after the mummification is discharged in clear water pond (13).
2. The shield construction muck treatment system according to claim 1, wherein an oversize outlet of the secondary double-layer vibrating screen (7) is positioned above a sand washing groove of the impeller sand washer (14), an underflow in the sand washing groove is fished out through rotation of an impeller of the impeller sand washer (14) and is transported to a feed port of the tertiary vibrating screen (16), mud in the sand washing groove is pumped into a feed port of the secondary cyclone (15), an overflow outlet of the secondary cyclone (15) is connected with an overflow tank (8), the underflow outlet is connected with the tertiary vibrating screen (16), the tertiary vibrating screen (16) discharges the underflow out of the system, and the overflow outlet of the impeller sand washer (14) is connected into the overflow tank (8) through a pipeline.
3. The shield construction muck treatment system according to claim 1, wherein the water cleaning tower (10) is connected to the crushing and stirring device (1) by a pump so that the muck can be washed by high pressure water.
4. The shield construction muck treatment system according to claim 2, wherein the clean water tank (13) is connected to the impeller sand washer (14) by a pump so that the underflow solid phase in the impeller sand washer (14) can be flushed by high pressure water.
5. The shield construction muck treatment system according to claim 1, wherein a high-pressure water pipeline is connected to each of the primary double-layer vibrating screen (2) and the secondary double-layer vibrating screen (7) so that the washing can be performed by high-pressure water.
6. The shield construction muck treatment system according to claim 1, wherein a liquid level float switch is mounted on the intermediate tank (5), a float ball of the liquid level float switch is placed in the secondary screening cone tank (6), when the liquid level in the secondary screening cone tank (6) reaches a preset value, the float switch is turned on, and the mud in the intermediate tank (5) flows into the overflow tank (8).
7. The shield construction muck treatment system according to any one of claims 1 to 6, wherein the automatic dosing device (11) controls the input flow of the pump to pump the flocculating agent into the flocculation tower (9) through a control module, the control module adjusts the flow of the flocculating agent pumped into the flocculation tower (9) according to the flow pumped into the flocculation tower (9) from the overflow tank (8), namely, a flow meter is arranged on a connecting pipeline of the overflow tank (8) and the flocculation tower (9), and the control module acquires the flow of the flow meter to control the flow of the flocculating agent pumped into the flocculation tower (9).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921212328.4U CN210305011U (en) | 2019-07-30 | 2019-07-30 | Shield constructs construction dregs processing system |
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| CN201921212328.4U CN210305011U (en) | 2019-07-30 | 2019-07-30 | Shield constructs construction dregs processing system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110303033A (en) * | 2019-07-30 | 2019-10-08 | 中铁工程服务有限公司 | A kind of shield-tunneling construction dregs processing system and processing method |
| CN112757470A (en) * | 2020-12-31 | 2021-05-07 | 中铁工程服务有限公司 | Brick-making recycling method for shield muck |
| CN112774853A (en) * | 2020-12-25 | 2021-05-11 | 山东大学 | Muck circulating treatment system and method for shield construction |
| CN113210120A (en) * | 2021-04-15 | 2021-08-06 | 温州大学 | Mud/sand resource separation device combined with resonance pretreatment and implementation method |
| WO2022246501A1 (en) * | 2021-05-24 | 2022-12-01 | Newfangled Tech Pty Ltd | Treatment of a hydro-excavated mud |
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2019
- 2019-07-30 CN CN201921212328.4U patent/CN210305011U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110303033A (en) * | 2019-07-30 | 2019-10-08 | 中铁工程服务有限公司 | A kind of shield-tunneling construction dregs processing system and processing method |
| CN110303033B (en) * | 2019-07-30 | 2023-08-08 | 中铁工程服务有限公司 | Shield construction muck treatment system and treatment method |
| CN112774853A (en) * | 2020-12-25 | 2021-05-11 | 山东大学 | Muck circulating treatment system and method for shield construction |
| CN112757470A (en) * | 2020-12-31 | 2021-05-07 | 中铁工程服务有限公司 | Brick-making recycling method for shield muck |
| CN113210120A (en) * | 2021-04-15 | 2021-08-06 | 温州大学 | Mud/sand resource separation device combined with resonance pretreatment and implementation method |
| WO2022246501A1 (en) * | 2021-05-24 | 2022-12-01 | Newfangled Tech Pty Ltd | Treatment of a hydro-excavated mud |
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