CN214974790U - Earth pressure balance shield muck environment-friendly treatment system - Google Patents
Earth pressure balance shield muck environment-friendly treatment system Download PDFInfo
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- CN214974790U CN214974790U CN202121049563.1U CN202121049563U CN214974790U CN 214974790 U CN214974790 U CN 214974790U CN 202121049563 U CN202121049563 U CN 202121049563U CN 214974790 U CN214974790 U CN 214974790U
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Abstract
The system comprises a feeding device, a feeding machine, a first-stage vibration screening device, a second-stage vibration screening device, a crusher, a sand washer, a cyclone, a medicament mixing and pumping system, a slurry pump, a slurry circulating system, a belt conveying system, a filter pressing device, a slurry tank, a clean water tank, a main operation room, a control system, a storage bin and other devices and systems. The residue soil discharged by the soil pressure balance shield tunneling is separated and screened to generate reusable mud, sand, stones and clear water, the pollution to the environment caused by residue soil transportation and residue soil stacking can be effectively eliminated, and the defects of difficult residue soil transportation, leakage and high transportation cost and the like are effectively overcome. The utility model discloses a first-selected processing system of shield structure construction dregs outward transportation under the current environmental protection requirement is serious situation day by day, and application prospect is wide, and area is little, and is easy and simple to handle, and the availability factor is high, and green has very high economic benefits and social.
Description
Technical Field
The utility model relates to a system of dregs environmental protection processing in shield structure construction, concretely relates to a system that is used for earth pressure balance shield to construct dregs environmental protection processing.
Background
Along with the continuous acceleration of the construction of urban subways in China, the shield method is more and more widely applied in construction, the muck generated in shield construction presents the characteristics of large water content and strong flow plasticity according to different geological conditions and equipment forms, the muck truck is small in loading and transporting amount and easy to leak in the process of transporting the muck out of the shield, urban road pollution can be caused, and the municipal drainage pipe network can be polluted by discharging muddy water in the muck out. Under the form that the national environmental protection requirement is more and more strict, the shield muck is difficult to transport outward, and the outward transport cost is higher and higher. The traditional earth pressure balance shield muck treatment method cannot meet the current environmental protection requirement and is not beneficial to construction cost control.
Disclosure of Invention
In order to overcome the problems existing in the process of outward transportation of the earth pressure balance shield muck and reasonably recycle the resources of the muck, sand, stone, water and the like contained in the shield muck, the environment-friendly treatment system for the earth pressure balance shield muck is provided. The construction cost is low, and the construction cost can be saved; and the process is simple, the operation is simple and convenient, the efficiency is high, and the recycling can be realized.
In order to realize the purpose, the utility model discloses a technical scheme is:
an environment-friendly treatment system for earth pressure balance shield muck is characterized in that a feeding device (1), a feeding machine (2), a primary vibration screening device (3), a secondary vibration screening device (4) and a sand washer (6) are sequentially connected, and the sand washer (6) is connected with a swirler (7) through a belt conveying system (15); a crusher (5) is arranged between the outlet end and the inlet end of the second-stage vibrating screening device (4); the cyclone (7) is connected with the mud pit (12) through a belt conveying system (15); the mud pit (12) is connected with a mud reaction tank (10); the slurry reaction tank (10) is respectively connected with a clean water tank (13) and a filter pressing device (11); one path of the clean water tank (13) is connected with the mud tank (12), and the other path is connected with the first-stage vibrating screening device (3) and the second-stage vibrating screening device (4); one path of the filter pressing equipment (11) is connected with the mud pit (12), and the other path is connected with a warehouse for placing mud cakes (18); the medicament mixing and pumping system (8) is connected with a mud reaction tank (10).
The device comprises a feeding device (1), a feeding machine (2), a first-stage vibrating screening device (3), a second-stage vibrating screening device (4), a crusher (5), a sand washer (6), a cyclone (7), a medicament mixing and pumping system (8), a slurry reaction tank (10), a filter pressing device (11) and a belt conveying system (15), which are controlled by a main operation room and a control system (15).
The other outlet of the second-stage vibrating and screening device (4) is connected with a gravel bin (16) through a belt conveying system (15).
The other outlet of the cyclone (7) intercepts a medium and coarse sand stone bin (17) through a belt conveying system (15).
The mud reaction tank (10), the filter pressing equipment (11) and the mud tank (12) and the clean water tank (13) form a mud pump and a mud circulating system (9).
The residue soil constructed by the earth pressure balance shield machine is subjected to screening treatment to generate recycled resources, filter pressing of slurry and mud water purification and recycling, and belongs to an environment-friendly treatment system and a treatment process for recycling chemical waste materials.
The system composed of the feeding device (1), the feeder (2), the first-stage vibrating screening device (3), the second-stage vibrating screening device (4), the crusher (5) and the belt conveying system (15) is used for crushing broken stones with the particle size larger than 3cm in the earth pressure balance shield construction residue soil, and screening is carried out again to generate and recycle broken stones with the particle size of less than 3cm (16) and coarse sand in (17).
The system comprises a feeding device (1), a feeding machine (2), a first-stage vibrating screening device (3), a sand washer (6), a cyclone (7), a slurry pump and slurry circulating system (9) and a slurry reaction tank (10), wherein medium and coarse sand generated by processing fine particles in the earth pressure balance shield construction residue soil is washed repeatedly by the sand washer (6) to control the mud content in the medium and coarse sand (17).
The system comprises a feeding device (1), a feeding machine (2), a first-stage vibrating screening device (3), a second-stage vibrating screening device (4), a sand washer (6), a swirler (7), a medicament mixing and pumping system (8), a slurry pump and slurry circulating system (9), a slurry reaction tank (10), a filter pressing device (11), a slurry pool (12), a main operation room and a control system (14), and is used for carrying out filter pressing treatment on slurry contained in soil pressure balance shield muck to generate a mud cake (18) which is transported or can be baked.
The device comprises a feeding device (1), a feeding machine (2), a first-stage vibrating screening device (3), a second-stage vibrating screening device (4), a sand washer (6), a swirler (7), a medicament mixing and pumping system (8), a slurry pump and slurry circulating system (9), a slurry reaction tank (10), a filter pressing device (11), a slurry tank (12), a clear water tank (13), a main operation room and a control system (14), wherein slurry and sewage contained in the earth pressure balance shield muck are subjected to filter pressing treatment to generate outer recyclable clear water.
The utility model has the advantages that:
1) the utility model discloses can effectively solve earth pressure balance shield and construct the muck outward transportation and easily spill hourglass and the shipment volume is little, the not enough that cost of transportation is high.
2) The utility model discloses can generate resources such as mud cake, well coarse sand, rubble and clear water that can recycle, produce secondary economic benefits.
3) The utility model has low construction investment cost and low operation cost; and the process is simple, the operation is simple and convenient, the efficiency is high, and the recycling can be realized.
Drawings
Fig. 1 is a process flow diagram of the system of the present invention.
The device comprises a feeding device (1), a feeding machine (2), a first-stage vibrating screening device (3), a second-stage vibrating screening device (4), a crusher (5), a sand washer (6), a cyclone (7), a medicament mixing and pumping system (8), a slurry pump and slurry circulating system (9), a slurry reaction tank (10), a pressure filtration device (11), a slurry tank (12), a clear water tank (13), a main operation room and control system (14), a belt conveying system (15), crushed stones (16), medium and coarse sands (17), mud cakes (18) and the like.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
An environment-friendly treatment system for earth pressure balance shield muck is characterized in that a feeding device (1), a feeding machine (2), a primary vibration screening device (3), a secondary vibration screening device (4) and a sand washer (6) are sequentially connected, and the sand washer (6) is connected with a swirler (7) through a belt conveying system (15); a crusher (5) is arranged between the outlet end and the inlet end of the second-stage vibrating screening device (4); the cyclone (7) is connected with the mud pit (12) through a belt conveying system (15); the mud pit (12) is connected with a mud reaction tank (10); the slurry reaction tank (10) is respectively connected with a clean water tank (13) and a filter pressing device (11); one path of the clean water tank (13) is connected with the mud tank (12), and the other path is connected with the first-stage vibrating screening device (3) and the second-stage vibrating screening device (4); one path of the filter pressing equipment (11) is connected with the mud pit (12), and the other path is connected with a warehouse for placing mud cakes (18); the medicament mixing and pumping system (8) is connected with a mud reaction tank (10).
The device comprises a feeding device (1), a feeding machine (2), a first-stage vibrating screening device (3), a second-stage vibrating screening device (4), a crusher (5), a sand washer (6), a cyclone (7), a medicament mixing and pumping system (8), a slurry reaction tank (10), a filter pressing device (11) and a belt conveying system (15), which are controlled by a main operation room and a control system (15).
The other outlet of the second-stage vibrating and screening device (4) is connected with a gravel bin (16) through a belt conveying system (15).
The other outlet of the cyclone (7) intercepts a medium and coarse sand stone bin (17) through a belt conveying system (15).
The mud reaction tank (10), the filter pressing equipment (11) and the mud tank (12) and the clean water tank (13) form a mud pump and a mud circulating system (9).
The residue soil constructed by the earth pressure balance shield machine is subjected to screening treatment to generate recycled resources, filter pressing of slurry and mud water purification and recycling, and belongs to an environment-friendly treatment system and a treatment process for recycling chemical waste materials.
The system composed of the feeding device (1), the feeder (2), the first-stage vibrating screening device (3), the second-stage vibrating screening device (4), the crusher (5) and the belt conveying system (15) is used for crushing broken stones with the particle size larger than 3cm in the earth pressure balance shield construction residue soil, and screening is carried out again to generate and recycle broken stones with the particle size of less than 3cm (16) and coarse sand in (17).
The system comprises a feeding device (1), a feeding machine (2), a first-stage vibrating screening device (3), a sand washer (6), a cyclone (7), a slurry pump and slurry circulating system (9) and a slurry reaction tank (10), wherein medium and coarse sand generated by processing fine particles in the earth pressure balance shield construction residue soil is washed repeatedly by the sand washer (6) to control the mud content in the medium and coarse sand (17).
The system comprises a feeding device (1), a feeding machine (2), a first-stage vibrating screening device (3), a second-stage vibrating screening device (4), a sand washer (6), a swirler (7), a medicament mixing and pumping system (8), a slurry pump and slurry circulating system (9), a slurry reaction tank (10), a filter pressing device (11), a slurry pool (12), a main operation room and a control system (14), and is used for carrying out filter pressing treatment on slurry contained in soil pressure balance shield muck to generate a mud cake (18) which is transported or can be baked.
The device comprises a feeding device (1), a feeding machine (2), a first-stage vibrating screening device (3), a second-stage vibrating screening device (4), a sand washer (6), a swirler (7), a medicament mixing and pumping system (8), a slurry pump and slurry circulating system (9), a slurry reaction tank (10), a filter pressing device (11), a slurry tank (12), a clear water tank (13), a main operation room and a control system (14), wherein slurry and sewage contained in the earth pressure balance shield muck are subjected to filter pressing treatment to generate outer recyclable clear water.
The utility model discloses the system utilizes the shield to construct the dregs of a slag portal crane of slagging tap the sediment fill the inside (or dig the dregs of a slag pond the inside from the excavator) and pour into loading attachment, adds water and washes and get into the batcher through the loading attachment door. The feeder is vibrated and washed by water through the feeding device, part of mud flows into a bottom sludge pool and is pumped into a sand washer through a sewage pipe, and the rest of muck enters the secondary vibrating screening device through the main belt conveyor. The second-stage vibration screening device is washed by vibration and water, and divides the muck into three paths (one path of stones with the particle size of more than 3cm, one path of stones with the particle size of less than 3cm and one path of mud and sand) according to the particle size: the first path is stones with the particle size of more than 3cm, enters a crusher through a belt conveyor, falls into a main belt conveyor after being crushed, enters a vibrating screen, and circulates according to the principle; the second path is stones with the grain size of less than 3cm, and the stones enter a stone bin through a belt conveyor; the third path is mud sand which enters a sand washer through a bottom trough, and the mud-containing water enters a mud pit. After being washed by water through the cyclone and the washing device, the sand enters the sand silo through the belt conveyor, and the washed muddy water enters the mud pit. The mud entering the mud pool is pumped into a reaction tank through a pump, clear water flows into a clear water pool after dosing separation and precipitation, and high-concentration mud water after precipitation enters a filter press. The sludge is pressed and filtered by a filter press to form sludge cakes and water, the sludge cakes are conveyed to a sludge cake bin through a belt, and the pressed and filtered water flows into a sludge pond through a pipeline to circulate.
An environment-friendly treatment system and method for earth pressure balance shield muck comprises the following steps:
1) the shield construction method comprises the steps that shield muck is poured into the feeding device in the step (1) through a lifting gantry crane or an excavator in shield construction, crushed stones and bonded mud masses in the muck are primarily screened and cleaned through the first-stage vibrating screening device in the step (3) and the washing system, and the muck is conveyed to the second-stage vibrating screening device in the step (4) through the feeder in the step (2) and the belt conveying system in the step (15) to be screened and processed by stones, sands and mud.
2) Through the second-stage vibration screening device, the residue soil can be screened into crushed stones, sand and slurry according to the particle size through vibration and water washing; stones with the particle size larger than 3cm enter a crusher (5) through a belt conveyor (10), are crushed by the crusher (5), fall into a main belt conveyor and enter a second-stage vibrating screen (4); crushed stones with the particle size smaller than 3cm enter the stone storage bin through a belt conveying system (15).
3) The silt washed by the second-stage vibrating screening device in the step (4) enters a sand washer in the step (6) through a bottom trough, and the silt washed by the cyclone in the step (7) and the washing device enters a sand silo through a belt conveying system in the step (15).
4) Pumping the slurry water washed by the first-stage vibrating screening device in the step (3) to a slurry pool (12) through a sewage pump and a pipeline system; the slurry-containing water washed by the second-stage vibration screening device in the step (4) is collected into a slurry pool (12) through a chute at the bottom of the device; muddy water flushed by the sand washer (6) and the cyclone (7) is collected into a mud pit (12) through a pipeline; and (3) collecting water generated after the flowing plastic mud is compressed into mud cakes by a filter pressing device (11) into a mud pool (12) through a pipeline.
5) And (3) pumping the slurry passing through the slurry tank (12) to a reaction tank through a slurry pump (9), adding chemicals through a chemical stirring and pumping system (8) to enable clear water after rapid flocculation and precipitation of the slurry to flow into a clear water tank (13), and enabling high-concentration slurry water after flocculation and precipitation to enter a filter pressing device (11) through a pipeline. And (3) performing filter pressing by using a filter pressing device (11) to obtain mud cakes and water, conveying the mud cakes to a mud cake bin (18) by using a belt conveyor (10), and enabling the filter-pressed water to flow into a mud tank (12) for circulation through a pipeline.
6) After the medicament is added by the medicament mixing and pumping system (8), the clean water in the reaction tank flows into the clean water tank (13), and the clean water tank can be used for washing mud and sand in the system and washing in a construction site.
Claims (9)
1. The environment-friendly treatment system for the soil pressure balance shield muck is characterized in that a feeding device (1), a feeding machine (2), a first-stage vibration screening device (3), a second-stage vibration screening device (4) and a sand washer (6) are sequentially connected, and the sand washer (6) is connected with a cyclone (7) through a belt conveying system (15); a crusher (5) is arranged between the outlet end and the inlet end of the second-stage vibrating screening device (4); the cyclone (7) is connected with the mud pit (12) through a belt conveying system (15); the mud pit (12) is connected with a mud reaction tank (10); the slurry reaction tank (10) is respectively connected with a clean water tank (13) and a filter pressing device (11); one path of the clean water tank (13) is connected with the mud tank (12), and the other path is connected with the first-stage vibrating screening device (3) and the second-stage vibrating screening device (4); one path of the filter pressing equipment (11) is connected with the mud pit (12), and the other path is connected with a warehouse for placing mud cakes (18); the medicament mixing and pumping system (8) is connected with a mud reaction tank (10).
2. The earth pressure balance shield muck environment-friendly treatment system as claimed in claim 1, wherein the feeding device (1), the feeder (2), the first-stage vibrating screening device (3), the second-stage vibrating screening device (4), the crusher (5), the sand washer (6), the cyclone (7), the medicament mixing and pumping system (8), the slurry reaction tank (10), the filter pressing equipment (11) and the belt conveying system (15) are controlled by a main operation room and a control system (15).
3. The earth pressure balance shield muck environment-friendly treatment system as claimed in claim 1, wherein the other outlet of the second stage vibrating screen device (4) is connected with a gravel bin (16) through a belt conveying system (15).
4. The earth pressure balance shield muck environment-friendly treatment system as claimed in claim 1, wherein the other outlet of the cyclone (7) intercepts a medium and coarse gravel bin (17) through a belt conveying system (15).
5. The earth pressure balance shield muck environment-friendly treatment system as claimed in claim 1, wherein the mud reaction tank (10), the filter pressing equipment (11), the mud tank (12) and the clean water tank (13) form a mud pump and a mud circulation system (9).
6. The environment-friendly treatment system for the muck of the earth pressure balance shield according to claim 1, wherein a system consisting of the feeding device (1), the feeder (2), the first-stage vibration screening device (3), the second-stage vibration screening device (4), the crusher (5) and the belt conveying system (15) is used for crushing crushed stones with the particle size larger than 3cm in the muck of the earth pressure balance shield construction, and the crushed stones are sieved again to generate crushed stones with the particle size of less than 3cm (16) and medium and coarse sand (17).
7. The environment-friendly treatment system for the earth pressure balance shield muck as claimed in claim 1, wherein the system consisting of the feeding device (1), the feeding machine (2), the first-stage vibration screening device (3), the sand washer (6), the cyclone (7), the slurry pump and slurry circulating system (9) and the slurry reaction tank (10) is used for treating fine particles in the earth pressure balance shield construction muck to generate medium and coarse sand, and the sand washer (6) is used for repeatedly flushing and controlling the mud content in the medium and coarse sand (17).
8. The environment-friendly treatment system for the earth pressure balance shield muck according to claim 1, wherein the system consisting of the feeding device (1), the feeding machine (2), the first-stage vibration screening device (3), the second-stage vibration screening device (4), the sand washer (6), the cyclone (7), the medicament mixing and pumping system (8), the slurry pump and slurry circulating system (9), the slurry reaction tank (10), the filter pressing equipment (11), the slurry tank (12), the main operation room and the control system (14) is used for carrying out filter pressing treatment on the mud contained in the earth pressure balance shield muck to generate a mud cake (18) which is transported outside or can be baked.
9. The environment-friendly treatment system for the earth pressure balance shield muck according to claim 1, wherein the system comprises a feeding device (1), a feeding machine (2), a first-stage vibration screening device (3), a second-stage vibration screening device (4), a sand washer (6), a cyclone (7), a medicament mixing and pumping system (8), a mud pump and mud circulating system (9), a mud reaction tank (10), a filter pressing device (11), a mud tank (12), a clean water tank (13), a main operation room and a control system (14), and is used for carrying out filter pressing treatment on mud and sewage contained in the earth pressure balance shield muck to generate clean water capable of being recycled externally.
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| CN202121049563.1U CN214974790U (en) | 2021-05-17 | 2021-05-17 | Earth pressure balance shield muck environment-friendly treatment system |
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| CN202121049563.1U CN214974790U (en) | 2021-05-17 | 2021-05-17 | Earth pressure balance shield muck environment-friendly treatment system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115870307A (en) * | 2023-01-29 | 2023-03-31 | 中铁三局集团有限公司 | Harmless zero-emission slurry treatment method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115870307A (en) * | 2023-01-29 | 2023-03-31 | 中铁三局集团有限公司 | Harmless zero-emission slurry treatment method |
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