CN116003037A - Solid waste base high-water-content soft soil curing agent and curing device - Google Patents
Solid waste base high-water-content soft soil curing agent and curing device Download PDFInfo
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- CN116003037A CN116003037A CN202310074642.5A CN202310074642A CN116003037A CN 116003037 A CN116003037 A CN 116003037A CN 202310074642 A CN202310074642 A CN 202310074642A CN 116003037 A CN116003037 A CN 116003037A
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- 239000002910 solid waste Substances 0.000 title claims abstract description 98
- 239000002689 soil Substances 0.000 title claims abstract description 77
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 29
- 238000003756 stirring Methods 0.000 claims abstract description 60
- 238000001514 detection method Methods 0.000 claims abstract description 46
- 239000002585 base Substances 0.000 claims abstract description 31
- 239000000463 material Substances 0.000 claims abstract description 25
- 238000003860 storage Methods 0.000 claims abstract description 23
- 239000002028 Biomass Substances 0.000 claims abstract description 20
- 239000004568 cement Substances 0.000 claims abstract description 16
- 239000002657 fibrous material Substances 0.000 claims abstract description 15
- 239000003513 alkali Substances 0.000 claims abstract description 12
- 239000002994 raw material Substances 0.000 claims abstract description 12
- 239000002861 polymer material Substances 0.000 claims abstract description 11
- 238000003825 pressing Methods 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 38
- 229910001385 heavy metal Inorganic materials 0.000 claims description 16
- 238000007599 discharging Methods 0.000 claims description 13
- 238000004806 packaging method and process Methods 0.000 claims description 13
- 238000007711 solidification Methods 0.000 claims description 12
- 230000008023 solidification Effects 0.000 claims description 12
- 150000003839 salts Chemical class 0.000 claims description 11
- 239000005416 organic matter Substances 0.000 claims description 10
- 239000000843 powder Substances 0.000 claims description 10
- 230000007613 environmental effect Effects 0.000 claims description 8
- 239000002699 waste material Substances 0.000 claims description 8
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 238000000748 compression moulding Methods 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 238000005336 cracking Methods 0.000 claims description 4
- 230000005284 excitation Effects 0.000 claims description 4
- 239000002893 slag Substances 0.000 claims description 4
- 240000007594 Oryza sativa Species 0.000 claims description 2
- 235000007164 Oryza sativa Nutrition 0.000 claims description 2
- 239000011449 brick Substances 0.000 claims description 2
- 239000000292 calcium oxide Substances 0.000 claims description 2
- 235000012255 calcium oxide Nutrition 0.000 claims description 2
- 239000004567 concrete Substances 0.000 claims description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 2
- 238000002386 leaching Methods 0.000 claims description 2
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 2
- 239000000347 magnesium hydroxide Substances 0.000 claims description 2
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 2
- 239000011707 mineral Substances 0.000 claims description 2
- 235000010755 mineral Nutrition 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims description 2
- 235000009566 rice Nutrition 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 231100000820 toxicity test Toxicity 0.000 claims description 2
- 239000010802 sludge Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 239000000284 extract Substances 0.000 abstract description 2
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 11
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000007723 die pressing method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000003334 potential effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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Classifications
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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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- Processing Of Solid Wastes (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a solid waste base high-water-content soft soil curing agent and a curing device. The raw materials of the curing agent comprise building solid waste, industrial solid waste, biomass solid waste, alkali-activated materials, cement, fiber materials and high polymer materials. The curing device comprises an automatic opening and closing device, a soft soil feed hopper, a stirring device, a pressing die device, a storage bin, a power device positioned at the bottom and a PLC. The curing agent provided by the invention can partially replace cement, is environment-friendly and pollution-free, is favorable for ecological protection, is provided with a high-water-content sludge curing treatment system, is controlled by a PLC (programmable logic controller), is provided with a stirring device for stirring, is formed by pressing by a die device, randomly extracts samples for strength detection and crack detection in the process, can be packaged and then is discharged, and the whole equipment can be moved by utilizing power so as to cope with complex site environments.
Description
Technical Field
The invention relates to a solid waste base high-water-content soft soil curing agent and a curing device, and belongs to the technical field of sludge curing treatment.
Background
There are a great deal of high water content mucky soil in coastal areas of China, including natural sedimentary soft soil and artificial dredger fill, which can be used for engineering construction only through reinforcement treatment. At present, cement is taken as a material for curing sludge at home and abroad, and a large amount of carbon dioxide is discharged when cement is produced, so that a cementing material capable of partially replacing cement needs to be developed. The basic construction of China is rapidly developed, a large amount of building materials are consumed, and meanwhile, large amounts of solid wastes such as building solid wastes, industrial solid wastes, derived biomass solid wastes and the like are generated. The construction waste is directly thrown to a landfill site to occupy a large amount of space, but the construction waste is ground to generate gelatinization, so that the water in the construction waste can be slowed down, the whole system is regular, and the construction waste is manufactured into a block which is separated from the block, so that the construction waste has good operability. Industrial solid waste has potential activity, and has great advantages when being used for curing agents. Biomass solids waste, pozzolanic compositions are relatively high, and have many advantages when used as soil solidifying agents. Meanwhile, the fiber material can effectively enhance the mechanical property of the solidified soil. The high polymer material improves the mechanical property of the whole material. The curing agent is produced by utilizing the properties of the curing agent and the solid wastes for recycling. The existing curing agent treatment system needs to manually measure the components in the sludge and further judge the use amount of the curing agent, and the process is complicated, so that the solid waste base high-water-content soft soil curing agent and the treatment system thereof need to be developed.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: provides a solid waste base high water content soft soil curing agent and a curing device.
In order to solve the technical problems, the invention provides a solid waste base high-water-content soft soil curing agent, which comprises the following raw materials of building solid waste, industrial solid waste, biomass solid waste, alkali-activated materials, cement, fiber materials and polymer materials.
Preferably, the building solid waste is at least one of red brick powder and waste concrete regenerated micro powder; the industrial solid waste is at least one of mineral powder, steel slag powder and carbide slag powder; the biomass solid waste is at least one of rice hull ash; the alkali excitation material is quicklime, sodium hydroxide and magnesium hydroxide.
Preferably, the relation between the water content of the solid waste base high water content soft soil and the mass ratio of the solid waste of construction, the solid waste of industry and the solid waste of biomass is shown in table 1:
TABLE 1
The mass content of organic matters, the mass concentration of salt and the mass of raw materials in the solid waste base high-water-content soft soil are shown in table 2:
TABLE 2
| Organic mass content | Salt mass concentration | Mass ratio |
| ≤5％ | ≤2％ | 10:40:30:8:7:4:1 |
| ≤5％ | > 2% and < 8% | 10:40:30:9:6:4:1 |
| ≤5％ | ≥8％ | 10:40:30:10:5:4:1 |
| > 5% and < 12% | ≤2％ | 15:40:25:8:7:4:1 |
| > 5% and < 12% | > 2% and < 8% | 15:40:25:9:6:4:1 |
| > 5% and < 12% | ≥8％ | 15:40:25:10:5:4:1 |
| ≥12％ | ≤2％ | 20:40:20:8:7:4:1 |
| ≥12％ | > 2% and < 8% | 20:40:20:9:6:4:1 |
| ≥12％ | ≥8％ | 20:40:20:10:5:4:1 |
；
In table 2, the mass ratio is the mass ratio of building solid waste, industrial solid waste, biomass solid waste, alkali-activated material, cement, fiber material and polymer material in order;
the relation between the strength of the solidification required by the solid waste base high water content soft soil and the specification of part of raw materials is shown in table 3:
TABLE 3 Table 3
| Intensity range | Building solid waste | Industrial solid waste | Solid waste of biomass |
| ≤1MPa | 270-550μm | 150-270μm | 106-380μm |
| > 1 and < 2MPa | 25-250μm | 74-115μm | 48-96μm |
| ≥2MPa | 6.5-23μm | 18-58μm | 10-45μm |
；
The relation between the environmental protection requirement of the solid waste base high water content soft soil and the mass percentage of part of raw materials is shown in table 4:
TABLE 4 Table 4
| Environmental protection requirement | Alkali-activated material | Cement and its preparation method |
| Has low carbon and environmental protection requirements | ≤5％ | 0％ |
| No low carbon environmental protection requirement | ≤10％ | ≤7％ |
；
When the solid waste base high water content soft soil is used for the solid waste leaching toxicity test, the relation between the concentration control range of heavy metal and the mass percentage of the heavy metal in solidified soil is shown in table 5:
TABLE 5
| Concentration control range of heavy metals | Mass percent of heavy metals |
| ≤0.005mg/ |
9％ |
| Greater than 0.005mg/L and less than 0.01mg/L | 7％ |
| ≥0.01mg/ |
2％ |
；
The relation between the crack control range of the solid waste base high water content soft soil after solidification and the mass percentage of the fiber material is shown in table 6:
TABLE 6
| Crack control range | Mass percent of fibrous material |
| Slight cracking | ≥4％ |
| General cracking | ≤4％ |
。
The invention also provides a solid waste base high water content soft soil solidifying device, which comprises:
an automatic opening and closing device;
the soft soil feed hopper and 7 feed hoppers for feeding 7 raw materials of the solid waste base high-moisture soft soil curing agent are respectively provided with a flow valve below the soft soil feed hopper and each feed hopper;
the stirring device is provided with a stirring bin, 8 stirring bin inlets communicated with 8 flow valves are formed in the stirring bin, and a stirring device outlet is formed in the downstream of the stirring device along the material movement direction;
the die pressing device is provided with a die pressing device inlet which is communicated with the stirring device outlet;
the storage bin is provided with a storage bin inlet at one side communicated with the compression molding device; a first discharge hole is formed in the other side of the storage bin;
the feeding port on one side of the discharging and packaging device is communicated with the storage bin, and the discharging port II is arranged on the other side of the discharging and packaging device;
a power device positioned at the bottom and used for moving the whole curing device;
all flow valves, stirring devices, pressing die devices and discharging and packaging devices are connected with the PLC.
Preferably, the soft soil feed hopper and each feed hopper are connected and fixed through a steel pipe device.
Preferably, the soft soil feed hopper and the top feed inlet of each feed hopper are provided with crushers; a ball mill or a stirrer is arranged between each flow valve and the inlet of the corresponding stirring bin.
Preferably, the soft soil feed hopper is located downstream of the stirring device in the material movement direction relative to the 7 feed hoppers.
Preferably, be equipped with the detection device who is used for detecting weak soil in the weak soil feeder hopper, it includes moisture content measuring device, organic matter detection device, and the salt content detection device, heavy metal detection device, organic matter detection device, detection device and PLC controller are connected.
Preferably, at least one of a strength detection device and a crack detection device is further arranged between the die assembly and the storage bin.
More preferably, the die assembly is connected with an inlet of the strength detection device at one side of the strength detection device, the strength detection device is communicated with an inlet of the crack detection device at one side of the crack detection device, and the crack detection device is communicated with an inlet of the storage bin; the strength detection device and the crack detection device are both connected with the PLC.
The invention comprises a high-water-content sludge curing agent, which can partially replace cement, uses large solid wastes such as building solid wastes, industrial solid wastes and the like, uses fiber materials and polymer materials, is environment-friendly and pollution-free, and is beneficial to ecological protection. And set up high moisture content silt solidification processing system, through PLC controller control, be provided with agitating unit and stir, die assembly press forming, at this in-process system random extraction sample carries out intensity detection and crack detection, and the back ejection of compact after can packing, whole equipment utilizes power to remove to deal with the complex place environment in scene.
Drawings
FIG. 1 is a schematic view of a curing apparatus provided by the present invention;
fig. 2 is a schematic diagram of a detection device.
Detailed Description
In order to make the invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.
The curing device used in each embodiment is shown in fig. 1-2, and the curing device for solid waste base high water content soft soil comprises:
an automatic opening and closing device 1;
the soft soil feed hopper 9 and 7 feed hoppers for feeding 7 raw materials of the solid waste base high-moisture content soft soil curing agent;
the stirring device 36, the stirring device 26 is provided with a stirring bin 50, 8 stirring bin inlets (the arrangement sequence of the stirring bin inlets along the material movement direction of the stirring device 36 is sequentially a first stirring bin inlet 25, a second stirring bin inlet 26, a third stirring bin inlet 27, a fourth stirring bin inlet 28, a fifth stirring bin inlet 29, a sixth stirring bin inlet 30, a seventh stirring bin inlet 31 and an eighth stirring bin inlet 32), and a stirring device outlet 37 is arranged at the downstream of the stirring device 36 along the material movement direction;
the 7 feed hoppers are respectively: the first feeding hopper 2, the second feeding hopper 3, the third feeding hopper 4, the fourth feeding hopper 5, the fifth feeding hopper 6, the sixth feeding hopper 7, the seventh feeding hopper 8 and the soft soil feeding hopper 9, building solid waste is arranged in the first feeding hopper 2, industrial solid waste is arranged in the second feeding hopper 3, biomass solid waste is arranged in the third feeding hopper 4, excitation material is arranged in the fourth feeding hopper 5, cement is arranged in the fifth feeding hopper 6, fiber material is arranged in the sixth feeding hopper 7, high polymer material is arranged in the seventh feeding hopper 8, a first flow valve 11 is arranged at a discharge port of the first feeding hopper 2, the first flow valve 11 is connected with a first ball mill 18, the first ball mill 18 is communicated with a first stirring bin inlet 25, a second flow valve 12 is arranged at a discharge port of the second feeding hopper 3, the second flow valve 12 is connected with a second ball mill 19, the second ball mill 19 is communicated with a second stirring bin inlet 26, the third hopper 4 discharge port is provided with a third flow valve 13, the third flow valve 13 is connected with a third ball mill 20, the third ball mill 20 is communicated with a stirring bin inlet III 27, the fourth hopper 5 discharge port is provided with a fourth flow valve 14, the fourth flow valve 14 is connected with a first stirrer 21, the first stirrer 21 is communicated with a stirring bin inlet IV 28, the fifth hopper 6 discharge port is provided with a fifth flow valve 15, the fifth flow valve 15 is connected with a second stirrer 22, the second stirrer 22 is communicated with a stirring bin inlet V29, the sixth hopper 7 discharge port is provided with a sixth flow valve 16, the sixth flow valve 16 is connected with a third stirrer 23, the third stirrer 23 is communicated with a stirring bin inlet V30, the seventh hopper 8 discharge port is provided with a seventh flow valve 17, the seventh flow valve 17 is connected with a fourth stirrer 24, the fourth stirrer 24 is communicated with a stirring bin inlet V31, gao Hanshui soft soil is placed in the high water content hopper 9, an eighth flow valve 33 is arranged at the discharge port of the high-water-content soft soil feed hopper, and the eighth flow valve 33 is communicated with an inlet eight 32 of the stirring bin;
the die assembly 39, there are die assembly inlets 38 on the die assembly 39, die assembly inlet 38 communicates with outlet 37 of the stirring device;
a storage bin 44, a storage bin inlet 45 on one side of the storage bin 44 being in communication with the die assembly 39; the other side of the storage bin 44 is provided with a first discharge hole 46;
the discharging and packaging device 47, a feeding hole 51 on one side of the discharging and packaging device 47 is communicated with the storage bin 44, and a discharging hole II 48 is arranged on the other side of the discharging and packaging device;
a power unit 49 at the bottom for moving the entire curing unit;
all flow valves 18, stirring device 36, die assembly 39, and discharge packaging device 47 are connected to a PLC controller.
The soft soil feed hopper 9 and each feed hopper are fixedly connected through a steel pipe device 10.
The soft soil feed hopper 9 and the top feed inlet of each feed hopper are provided with a crusher 35.
The soft soil feeder hopper 9 is internally provided with a detection device for detecting soft soil, as shown in fig. 2, and comprises a water content measuring device 341, an organic matter detecting device 342, a salt content detecting device 343, a heavy metal detecting device 344 and an organic matter detecting device 345.
A strength detection device 40 and a crack detection device 42 are further arranged between the die device 39 and the storage bin 44, the die device 39 is connected with a strength detection device inlet 41 on one side of the strength detection device 40, the strength detection device 40 is communicated with a crack detection device inlet 43 on one side of the crack detection device 42, and the crack detection device 42 is communicated with a storage bin inlet 45; the strength detecting device 40 and the crack detecting device 42 are both connected with a PLC controller.
When the device is used, the high-moisture-content soft soil obtained on site is added into the soft soil feed hopper 9, the moisture content measuring device 341, the organic matter detecting device 342, the salt content detecting device 343, the heavy metal detecting device 344 and the organic matter detecting device 345 are used for measuring the moisture content, the organic matter content, the salt content, the heavy metal concentration and the organic matter concentration of the soft soil, the information is sent to the PLC, after the PLC receives the information, the opening and the closing of the first flow valve 11, the second flow valve 12, the third flow valve 13, the fourth flow valve 14, the fifth flow valve 15, the sixth flow valve 16, the seventh flow valve 17 and the eighth flow valve 18 are judged and controlled through data processing, so that the proportion of the curing agent entering the stirring device 36 and the amount of the high-moisture-content soft soil are controlled, and the regulation and control are realized. And stirred in a stirring bin 48 of the stirring device 36, and solidified soil is pressed into products with required specifications through a pressing die device 39, and the products pass through the strength detecting device 40 and the crack detecting device 42 to enter a storage bin 43, and during the process, the system randomly extracts samples for strength detection and crack detection. The product in the storage bin 43 can be discharged through a first discharge hole 45 or can enter a discharge packaging device 46 for packaging and then be discharged through a second discharge hole 47. The entire apparatus is moved by the power unit 48 to cope with a complex site environment in the field.
Example 1
The mud sample of the high-water-content soft soil is taken, the water content is measured to be 91%, the mass percentage of organic matters is 3.11%, and the salt concentration is 0.359%.
The required strength of the site to be constructed is 500kPa, so that building solid waste (fineness: 550 μm), industrial solid waste (fineness: 270 μm) and,
The biomass solid waste (fineness: 380 μm) and the site to be constructed are required to have the heavy metal content less than or equal to 0.005mg/L, so that the weight ratio of the selected curing agent to the curing soil is 9%. The site to be constructed requires a slight crack, so the proportion of the component six is selected to be 4%. The site to be constructed requires site construction.
Comprehensively selecting a curing agent with high water content: building solid waste, industrial solid waste, biomass solid waste, alkali-activated materials, cement, fiber materials and high polymer materials (mass ratio is 10:40:30:8:7:4:1) are selected and added into the soft soil with high water content for solidification. Stirring by a stirring device, and then delivering out through a discharge hole for on-site solidification. The combined volume reduction of the cured material by compression molding is 35.5 percent, and the strength is 755kPa.
Example 2
The mud sample of the soft soil with high water content is taken, the water content is 86%, the mass percentage of organic matters is 5.31%, and the salt concentration is 0.569%.
The required strength of the site to be constructed is 1.1MPa, so that building solid waste (fineness: 250 μm), industrial solid waste (fineness: 115 μm) are selected,
The biomass solid waste (fineness: 96 μm) and the site to be constructed have the heavy metal content less than or equal to 0.008mg/L, so the weight ratio of the selected curing agent to the curing soil is 7%. The site to be constructed requires a slight crack, so the proportion of the component six is selected to be 4%. The site to be constructed requires site construction.
Comprehensively selecting a curing agent with high water content: building solid waste, industrial solid waste, biomass solid waste, alkali-activated materials, cement, fiber materials and high polymer materials (mass ratio is 15:40:25:8:7:4:1) are selected and added into the soft soil with high water content for solidification. Stirring by a stirring device, and then delivering out through a discharge hole for on-site solidification. The comprehensive capacity reduction of the cured material after compression molding is 41.3 percent, and the strength is 1.36MPa.
Example 3
The mud sample of the high-water-content soft soil is taken, the water content is measured to be 95%, the mass percentage of organic matters is 12.36%, and the salt concentration is 2.35%.
The required strength of the site to be constructed is 2.2MPa, so that building solid waste (fineness: 23 mu m), industrial solid waste (fineness: 58 mu m), and the like are selected,
The biomass solid waste (fineness: 45 μm) and the site to be constructed are required to have the heavy metal content less than or equal to 0.011mg/L, so that the weight ratio of the selected curing agent to the curing soil is 2%. The site to be constructed requires a slight crack, so the proportion of the component six is selected to be 4%. The site to be constructed requires site construction.
Comprehensively selecting a curing agent with high water content: building solid waste, industrial solid waste, biomass solid waste, alkali-activated materials, cement, fiber materials and high polymer materials (mass ratio is 20:40:20:9:6:4:1) are selected and added into the soft soil with high water content for solidification. Stirring by a stirring device, and then delivering out through a discharge hole for on-site solidification. The comprehensive capacity reduction of the cured material after compression molding is 31.5, and the strength is 2.25MPa.
Claims (10)
1. The solid waste base high water content soft soil curing agent is characterized in that raw materials comprise building solid waste, industrial solid waste, biomass solid waste, alkali excitation materials, cement, fiber materials and high polymer materials.
2. The solid waste-based high-water-content soft soil curing agent according to claim 1, wherein the building solid waste is at least one of red brick powder and waste concrete regenerated micro powder; the industrial solid waste is at least one of mineral powder, steel slag powder and carbide slag powder; the biomass solid waste is at least one of rice hull ash; the alkali excitation material is quicklime, sodium hydroxide and magnesium hydroxide.
3. The solid waste base high water content soft soil curing agent according to claim 1, wherein the relation between the water content of the solid waste base high water content soft soil and the mass ratio of building solid waste, industrial solid waste and biomass solid waste is shown in table 1:
TABLE 1
The mass content of organic matters, the mass concentration of salt and the mass of raw materials in the solid waste base high-water-content soft soil are shown in table 2:
TABLE 2
In table 2, the mass ratio is the mass ratio of building solid waste, industrial solid waste, biomass solid waste, alkali-activated material, cement, fiber material and polymer material in order;
the relation between the strength of the solidification required by the solid waste base high water content soft soil and the specification of part of raw materials is shown in table 3:
TABLE 3 Table 3
；
The relation between the environmental protection requirement of the solid waste base high water content soft soil and the mass percentage of part of raw materials is shown in table 4:
TABLE 4 Table 4
；
When the solid waste base high water content soft soil is used for the solid waste leaching toxicity test, the relation between the concentration control range of heavy metal and the mass percentage of the heavy metal in solidified soil is shown in table 5:
TABLE 5
；
The relation between the crack control range of the solid waste base high water content soft soil after solidification and the mass percentage of the fiber material is shown in table 6:
TABLE 6
。
4. The utility model provides a high moisture content weak soil solidification equipment of solid useless base which characterized in that includes:
an automatic opening and closing device (1);
a soft soil feed hopper (9) and 7 feed hoppers for 7 raw materials of the solid waste base high water content soft soil curing agent as claimed in any one of claims 1 to 8, wherein a flow valve is arranged below the soft soil feed hopper (9) and each feed hopper;
the stirring device (36), the stirring device (26) is provided with a stirring bin (50), 8 stirring bin inlets communicated with 8 flow valves are arranged on the stirring bin (50), and a stirring device outlet (37) is arranged at the downstream of the stirring device (36) along the material movement direction;
the die assembly (39), there are die assembly inlets (38) on the die assembly (39), the die assembly inlet (38) communicates with outlet (37) of the stirring device;
a storage bin (44), wherein a storage bin inlet (45) at one side of the storage bin (44) is communicated with the compression molding device (39); a first discharge hole (46) is formed in the other side of the storage bin (44);
the discharging packaging device (47), a feeding hole (51) at one side of the discharging packaging device (47) is communicated with the storage bin (44), and a discharging hole II (48) is arranged at the other side of the discharging packaging device;
a power unit (49) at the bottom for moving the whole curing unit;
all flow valves (18), stirring devices (36), pressing die devices (39) and discharging and packaging devices (47) are connected with the PLC.
5. The solid waste base high water content soft soil solidifying device according to claim 1, wherein the soft soil feed hopper (9) and each feed hopper are fixedly connected through a steel pipe device (10).
6. The solid waste base high water content soft soil curing device according to claim 1, wherein a crusher (35) is arranged at the soft soil feed hopper (9) and the top feed inlet of each feed hopper; a ball mill or a stirrer is arranged between each flow valve and the inlet of the corresponding stirring bin.
7. A solid waste based high moisture content soft soil solidifying means as claimed in claim 1, wherein the soft soil hopper (9) is located downstream of the stirring means (36) in the material movement direction with respect to the 7 hoppers.
8. The solid waste base high water content soft soil curing device according to claim 1, wherein a detection device for detecting soft soil is arranged in the soft soil feed hopper (9), and comprises a water content detection device (341), an organic matter detection device (342), a salt content detection device (343), a heavy metal detection device (344), an organic matter detection device (345) and a PLC (programmable logic controller).
9. The solid waste base high water content soft soil solidifying device according to claim 1, wherein at least one of a strength detecting device (40) and a crack detecting device (42) is further arranged between the die assembly (39) and the storage bin (44).
10. The solid waste base high water content soft soil curing device according to claim 9, wherein the pressing die device (39) is connected with an intensity detection device inlet (41) at one side of the intensity detection device (40), the intensity detection device (40) is communicated with a crack detection device inlet (43) at one side of the crack detection device (42), and the crack detection device (42) is communicated with a storage bin inlet (45); the strength detection device (40) and the crack detection device (42) are connected with the PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310074642.5A CN116003037B (en) | 2023-01-16 | 2023-01-16 | Solid waste base high-water-content soft soil curing agent and curing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310074642.5A CN116003037B (en) | 2023-01-16 | 2023-01-16 | Solid waste base high-water-content soft soil curing agent and curing device |
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| CN116003037B (en) | 2024-07-30 |
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