CN217921863U - Device for regenerating soil filling material by using solid waste - Google Patents
Device for regenerating soil filling material by using solid waste Download PDFInfo
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- CN217921863U CN217921863U CN202123240230.XU CN202123240230U CN217921863U CN 217921863 U CN217921863 U CN 217921863U CN 202123240230 U CN202123240230 U CN 202123240230U CN 217921863 U CN217921863 U CN 217921863U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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Abstract
The utility model discloses an utilize device of solid waste regeneration banket material belongs to silt solidification treatment technical field, including silt preliminary treatment storehouse, the lower extreme in silt preliminary treatment storehouse has filter-pressing dewatering system through the pipe connection, filter-pressing dewatering system has mixed mixing system through the pipe connection, the left end of mixing system is connected with regeneration collection feed bin through the discharging pipe. The utility model discloses during the use, utilize building rubbish regeneration aggregate as framework material, domestic waste incineration slag regeneration miropowder is as cementitious material, adopt earlier the silt mixed solidification technology and the supporting device of flocculation postcure to silt, can realize dredging silt, the coprocessing and the resource utilization of waste incineration slag regeneration miropowder and building rubbish regeneration aggregate, the production satisfies the solidification soil that engineering filling material required, this processing method is with low costs, curing cycle is short, the silt handling capacity is big, the solidification effect is showing, the durability is good.
Description
Technical Field
The utility model relates to a silt solidification processing technology field specifically is an utilize device of solid waste regeneration filling material.
Background
It is estimated that only the pearl triangular area can clean up dredged sludge quantity of 8000 ten thousand cubic meters per year. Dredged sludge cannot be directly used as engineering filler, and usually needs to be arranged in a field or is subjected to sludge throwing, so that the problems of land occupation, environmental ecology influence and the like are caused. Dredged sludge mainly consists of clay grains, has high water content, difficult dehydration, low strength and poor soil mechanical property, and contains a large amount of organic matters and heavy metals.
The urban domestic garbage incineration is more and more emphasized due to the remarkable reduction effect, the annual production amount of domestic garbage incineration slag in China is about 2100 million tons, and a large amount of garbage incineration slag is urgently needed to be reasonably disposed. The waste incineration slag mainly comprises inorganic mineral particles with the particle size of 0.1-5.0 mm, has volcanic ash activity and has the characteristic of being used as a cementing material.
Chinese patent application document CN102941209A discloses a method for curing dredged sludge by blending domestic garbage incineration bottom ash, the weight ratio of the doping amount of the domestic garbage incineration bottom ash to the dredged sludge is 0.3-0.5, the weight ratio of the doping amount of a curing agent to the domestic garbage incineration bottom ash is 0.1-0.2.
Chinese patent CN112341127A discloses a silt curing agent and a production method thereof, wherein the silt curing agent is prepared from sulphoaluminate cement, portland cement, superfine slag micropowder, fly ash, dispersible latex powder, sodium silicate, calcium hydroxy phosphate and modified nano montmorillonite; the curing agent is prepared by proportionally mixing sulphoaluminate cement, portland cement, fly ash, sodium silicate and hydroxy calcium phosphate, grinding, sieving by a 200-300-mesh sieve, adding superfine slag micro powder, dispersible latex powder and modified nano montmorillonite, and fully and uniformly mixing.
Chinese patent CN111348961A discloses a disposal method for producing soil-like waste by using municipal sludge and municipal construction waste, wherein the municipal sludge and the municipal construction waste are mixed and stirred to obtain a sludge-waste mixture; spreading the sludge garbage mixture in a greenhouse, spraying an EM (effective microorganism) strain conditioner on the surface of the sludge garbage mixture, turning the sludge garbage mixture, and stacking when the sludge garbage mixture is dried to a certain water content; spreading the red soil on the stack, sowing corn seeds, crushing the plants after amplification, mixing and stirring the crushed plants together with the sludge garbage mixture and the red soil, and thus achieving the requirements of landscaping soil and bare mountain body restoration soil.
The prior art has at least the following disadvantages:
1. corresponding measures such as particle size thickening, moisture reduction, strength improvement and the like cannot be provided aiming at the characteristics of small particle size, high water content, low strength and the like of the dredged sludge, so that the performance requirement of the filling material is met;
2. the characteristics of various solid wastes cannot be cooperatively utilized to carry out mixed solidification treatment on dredged sludge, so that the cooperative resource utilization of the solid wastes is realized, and the aims of waste utilization and waste change are fulfilled;
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an utilize device of solid waste regeneration filling material to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides an utilize device of solid waste regeneration filling material, includes silt preliminary treatment storehouse, there is filter-pressing dewatering system the lower extreme in silt preliminary treatment storehouse through the pipe connection, filter-pressing dewatering system has mixed mixing system through the pipe connection, the left end that mixes mixing system is connected with regeneration aggregate storehouse through the discharging pipe, the lower extreme that mixes mixing system is connected with discharging system.
As a further scheme of the utility model, the upper end fixedly connected with mud inlet of silt preliminary treatment storehouse, mud inlet's lower extreme is located the interior fixedly connected with vibration check sieve of silt preliminary treatment storehouse, fixedly connected with rampart filter screen on the inner wall of silt preliminary treatment storehouse, the lower extreme of silt preliminary treatment storehouse is fixedly connected with collection liquid case still, the left end of silt preliminary treatment storehouse is connected with No. two medicine rooms through No. two infusion calandries, silt preliminary treatment storehouse is decided the right-hand member and is connected with a medicine room through an infusion calandria, install an automatically controlled unloading valve on the connecting tube between silt preliminary treatment storehouse and the filter-pressing dewatering system.
As the utility model discloses scheme further still, the filter-pressing dewatering system includes the unilateral aqueduct, the lower extreme fixedly connected with waste liquid collecting box of unilateral aqueduct, be fixed with compound filter screen on the unilateral aqueduct inner wall, the unilateral aqueduct internal rotation is connected with first spiral pivot, the right side of unilateral aqueduct is equipped with first motor, first motor is connected with first spiral pivot.
As the utility model discloses further scheme again, first spiral pivot is reducing spiral pivot, the diameter of first spiral pivot from left to right crescent.
As the utility model discloses further scheme again, mix the mixing system including the stirring storehouse, stirring storehouse internal rotation is connected with the puddler, the lower extreme in stirring storehouse is equipped with the second motor, pressure sensor is installed to the inside bottom in stirring storehouse, install No. three automatically controlled unloading valves on the discharging pipe between regeneration collection storehouse and the stirring storehouse.
As the utility model discloses further scheme again, discharge system includes ejection of compact pipe, the discharge gate has been seted up to ejection of compact pipe's lower extreme, the inside rotation of ejection of compact pipe is connected with second spiral pivot, the left end of ejection of compact pipe is equipped with the third motor, the third motor is connected with second spiral pivot.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses make full use of solid waste's soil mechanics characteristic, regard building rubbish regeneration aggregate as skeleton material, dredge silt as hole filling material, the waste incinerator regeneration miropowder of domestic waste is as cementitious material, adopt earlier technique and supporting device of solidification after flocculating dredging silt, can realize dredging silt, waste incinerator sediment regeneration miropowder and building rubbish's coprocessing and resource utilization, produce the filling material that satisfies the engineering requirement, thereby realize "waste utilization, changing waste into valuables". The treatment method has the advantages of low cost, short period, large treatment amount, good effect and obvious economic, environmental protection and social benefits.
Drawings
Fig. 1 is a view showing a construction of an apparatus for regenerating a filling material using solid waste.
Fig. 2 is a diagram of the method steps in an apparatus for reclaiming fill material using solid waste.
In the figure: 1. an electrically controlled pressurizing valve; 2. a sludge inlet; 3. vibrating the grid sieve plate; 4. an electric control blanking valve; 5. a second electric control pressurizing valve; 6. a first transfusion calandria; 7. a first medication chamber; 8. compounding a filter screen; 9. a first helical shaft; 10. a waste liquid collection box; 11. a first motor; 12. a stirring shaft; 13. a stirring bin; 14. a stirring blade; 15. a pressure sensor; 16. a second motor; 17. a second electric control blanking valve; 18. a discharge pipe; 19. a third electric control blanking valve; 20. a second helical shaft; 21. a circular discharge pipe; 22. a discharge port; 23. a third motor; 24. regenerating a material collecting bin; 25. a single-sided water conduit; 26. a liquid collection tank; 27. a surrounding wall filter screen; 28. a second infusion calandria; 29. medicine chamber II.
Detailed Description
Referring to fig. 1-2, in an embodiment of the present invention, an apparatus for regenerating a filling material using solid waste includes a sludge pretreatment bin, a lower end of the sludge pretreatment bin is connected to a filter-pressing dewatering system through a pipeline, the filter-pressing dewatering system is connected to a mixing and stirring system through a pipeline, a left end of the mixing and stirring system is connected to a regeneration material collecting bin 24 through a discharging pipe 18, and a lower end of the mixing and stirring system is connected to a discharging system;
the upper end of the sludge pretreatment bin is fixedly connected with a sludge inlet 2, the lower end of the sludge inlet 2 is positioned in the sludge pretreatment bin and is fixedly connected with a vibration grid sieve plate 3, the inner wall of the sludge pretreatment bin is fixedly connected with a ring wall filter screen 27, the aperture of the ring wall filter screen 27 is 3000 meshes, the lower end of the sludge pretreatment bin is also fixedly connected with a liquid collecting tank 26, waste water can be collected through the liquid collecting tank 26, the left end of the sludge pretreatment bin is connected with a second medicine chamber 29 through a second infusion calandria 28, a compound enzyme preparation is contained in the second medicine chamber 29, the fixed right end of the sludge pretreatment bin is connected with a first medicine chamber 7 through a first infusion calandria 6, a flocculating agent is contained in the first medicine chamber 7, the first infusion calandria 6 and the second infusion calandria 28 are formed by uniformly arranging and combining a main pipe body and a plurality of auxiliary pipe bodies, the distance between the main pipe body and the auxiliary pipe bodies is less than 200mm, the distance between the plurality of auxiliary pipe bodies is also less than 200mm, a first pressurizing valve 1 is installed on the main pipe body of the second infusion calandria 28, a second pressurizing valve body is installed on the main pipe body of the first infusion calandria second calandria 6, a pressurizing pipe body, a pressurizing valve 5 is installed on the electric control valve 5, the pressurizing and a dewatering system is connected with a dewatering system through a first pressurizing valve 4, and a dewatering system capable of the first pressurizing valve, and a dewatering system capable of controlling the dewatering system;
the filter pressing dehydration system comprises a single-side water guide pipe 25, the lower end of the single-side water guide pipe 25 is fixedly connected with a waste liquid collecting box 10, a composite filter screen 8 is fixed on the inner wall of the single-side water guide pipe 25, the inner side of the composite filter screen 8 is geotextile, the outer side of the composite filter screen is an annular filter screen, the aperture of the annular filter screen is 3000 meshes, a first spiral rotating shaft 9 is rotatably connected in the single-side water guide pipe 25, the first spiral rotating shaft 9 is a reducing spiral rotating shaft, the diameter of the first spiral rotating shaft 9 is gradually increased from left to right, the diameter of the right end of the first spiral rotating shaft 9 is equal to twice of the diameter of the left end, a first motor 11 is arranged on the right side of the single-side water guide pipe 25, and the first motor 11 is connected with the first spiral rotating shaft 9;
the mixing and stirring system comprises a stirring bin 13, a stirring rod is rotationally connected in the stirring bin 13 and comprises a stirring shaft 12, a stirring blade 14 is fixedly connected to the stirring shaft 12, a second motor 16 is arranged at the lower end of the stirring bin 13, an output shaft of the second motor 16 is connected with the stirring shaft 12, a pressure sensor 15 is arranged at the bottom end in the stirring bin 13, a discharge pipe 18 between a regeneration collecting bin 24 and the stirring bin 13 is provided with a third electrically-controlled discharge valve 19, and household garbage incinerator slag regeneration micro powder and building garbage regeneration aggregate are filled in the regeneration collecting bin 24;
the discharging system comprises a discharging circular tube 21, wherein a second electronic control discharging valve 17 is fixedly connected between the discharging circular tube 21 and the stirring bin 13, a discharging hole 22 is formed in the lower end of the discharging circular tube 21, a second spiral rotating shaft 20 is connected to the inside of the discharging circular tube 21 in a rotating mode, a third motor 23 is arranged at the left end of the discharging circular tube 21, and the third motor 23 is connected with the second spiral rotating shaft 20.
The method comprises the following steps:
s100: and removing impurities from the dredged sludge. The dredged sludge is conveyed to a sludge inlet 2 of a sludge pretreatment bin, and enters the sludge pretreatment bin after large-size impurities are removed through a vibrating grid sieve plate 3.
S200: and degrading organic matters in the dredged sludge. And opening the first electric control pressurizing valve 1, allowing the complex enzyme preparation to enter the sludge pretreatment bin to perform degradation reaction with the dredged sludge, and decomposing organic matters in the dredged sludge.
S300: and (4) flocculating and dewatering the dredged sludge. Opening a second electric control pressurizing valve 5, allowing a flocculating agent solution to enter the sludge pretreatment bin to perform flocculation reaction with the dredged sludge, and quickly separating sludge and water in the dredged sludge; the separated water enters the waste liquid collecting box 10 through the annular wall filter screen 27, and the separated mud enters a filter-pressing dehydration system through the first electric control blanking valve 4.
S400: and (3) carrying out filter pressing and dewatering on the dredged sludge. Starting a filter pressing dehydration system to further dehydrate the dredged sludge; under the action of a first spiral rotating shaft 9 with the rotating speed of R1, the dredged sludge is transmitted from a feeding end to a discharging end, the extrusion force is gradually increased, and the extruded water enters a waste liquid collecting box 10 through a composite filter screen 8; the above process lasts for time T1.
S500: the filling materials are mixed and stirred. The dredged sludge after filter pressing and dehydration automatically enters the stirring bin 13, and the weight of the dredged sludge entering the stirring bin 13 is automatically monitored through the pressure sensor 15; and starting the mixing and stirring system, opening the third electrically-controlled blanking valve 19, feeding the substances in the regeneration material collecting bin 24 into the stirring bin 13 through the discharge pipe 18, and mixing and stirring the substances with the dredged sludge subjected to filter pressing and dehydration to form the regenerated filling material.
S600: and discharging the filling material at a constant speed. Opening a second electrically-controlled blanking valve 17, and feeding the regenerated filling material into a circular discharging pipe 21; starting the discharging system, enabling the second spiral rotating shaft 20 in the discharging system to rotate at a constant speed, and under the action of the second spiral rotating shaft 20 with the rotating speed of R2, enabling the regenerated filling material to be conveyed to a discharging port 22 at a constant speed, and then being put into use; the process lasts for T2;
the mixed enzyme preparation is prepared from protease: cellulase: mgSO (MgSO) 4 : the enzyme preparation is prepared from water according to the mass ratio of 1.
The flocculant is anionic polyacrylamide with the particle size of 0.6-1.2 mm and the molecular weight of more than 1600 ten thousand, the flocculant solution is prepared from polyacrylamide and water according to the mass ratio of 1.
The construction waste recycled aggregate is processed from waste concrete, waste stone, waste tiles and the like, and the particle size of the processed recycled aggregate is 10-45 mm.
The household garbage incinerator slag regenerated micro powder is formed by processing household garbage incinerator slag through magnetic separation, grinding and the like, the particle size of the processed regenerated micro powder is smaller than 75 mu m, and the specific surface area is larger than 300m 2 /kg。
The regenerated aggregate comprises the following components in percentage by mass: 66% -78% of construction waste recycled aggregate; 22-34% of the domestic garbage incinerator slag regenerated micro powder, wherein all components of the regenerated aggregate need to be uniformly mixed.
The mass ratio of each material when mixing the stirring of mixing stirring system is: 62 to 72 percent of regenerated aggregate; 28 to 38 percent of dredged sludge.
The filter pressing dehydration duration time T1 of the dredged sludge can be controlled by adjusting the rotating speed R1 of the reducing spiral rotating shaft; the constant-speed discharging duration time T2 of the filling material can be controlled by adjusting the rotating speed R2 of the equal-diameter spiral rotating shaft.
Claims (6)
1. The utility model provides an utilize device of solid waste regeneration banket material, includes silt preliminary treatment storehouse, its characterized in that, there is filter-pressing dewatering system lower extreme in silt preliminary treatment storehouse through the pipe connection, filter-pressing dewatering system has mixed mixing system through the pipe connection, the left end that mixes mixing system is connected with regeneration aggregate storehouse (24) through discharging pipe (18), the lower extreme that mixes mixing system is connected with discharge system.
2. The device for regenerating the soil filling material by utilizing the solid waste is characterized in that a sludge inlet (2) is fixedly connected to the upper end of the sludge pretreatment bin, the lower end of the sludge inlet (2) is positioned in the sludge pretreatment bin and is fixedly connected with a vibration grid sieve plate (3), an annular wall filter screen (27) is fixedly connected to the inner wall of the sludge pretreatment bin, a liquid collecting tank (26) is further fixedly connected to the lower end of the sludge pretreatment bin, the left end of the sludge pretreatment bin is connected with a second medicine chamber (29) through a second transfusion calandria (28), the right end of the sludge pretreatment bin is connected with a first medicine chamber (7) through a first transfusion calandria (6), and a connecting pipeline between the sludge pretreatment bin and a filter-pressing dewatering system is provided with a first electric control blanking valve (4).
3. The device for regenerating the soil filling material by using the solid waste according to claim 1, wherein the filter pressing dehydration system comprises a single-side water guide pipe (25), a waste liquid collecting box (10) is fixedly connected to the lower end of the single-side water guide pipe (25), a composite filter screen (8) is fixed on the inner wall of the single-side water guide pipe (25), a first spiral rotating shaft (9) is rotatably connected to the single-side water guide pipe (25), a first motor (11) is arranged on the right side of the single-side water guide pipe (25), and the first motor (11) is connected with the first spiral rotating shaft (9).
4. The apparatus for reclaiming filling material using solid waste according to claim 3, wherein the first spiral shaft (9) is a variable diameter spiral shaft, and the diameter of the first spiral shaft (9) gradually increases from left to right.
5. The device for regenerating the soil filling material by utilizing the solid waste according to claim 1, wherein the mixing and stirring system comprises a stirring bin (13), a stirring rod is rotationally connected in the stirring bin (13), a second motor (16) is arranged at the lower end of the stirring bin (13), a pressure sensor (15) is installed at the bottom end inside the stirring bin (13), and a discharging pipe (18) between the regeneration material collecting bin (24) and the stirring bin (13) is provided with a third electrically-controlled discharging valve (19).
6. The device for regenerating the filling material by using the solid waste according to claim 1, wherein the discharging system comprises a circular discharging pipe (21), a discharging hole (22) is formed at the lower end of the circular discharging pipe (21), a second spiral rotating shaft (20) is rotatably connected inside the circular discharging pipe (21), a third motor (23) is arranged at the left end of the circular discharging pipe (21), and the third motor (23) is connected with the second spiral rotating shaft (20).
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| CN202123240230.XU CN217921863U (en) | 2021-12-21 | 2021-12-21 | Device for regenerating soil filling material by using solid waste |
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| CN202123240230.XU CN217921863U (en) | 2021-12-21 | 2021-12-21 | Device for regenerating soil filling material by using solid waste |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114057441A (en) * | 2021-12-21 | 2022-02-18 | 浙江理工大学 | Device and method for regenerating filling material by using solid waste |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114057441A (en) * | 2021-12-21 | 2022-02-18 | 浙江理工大学 | Device and method for regenerating filling material by using solid waste |
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