CN214319410U - Earth pressure shield muddy water treatment device - Google Patents
Earth pressure shield muddy water treatment device Download PDFInfo
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- CN214319410U CN214319410U CN202021220823.2U CN202021220823U CN214319410U CN 214319410 U CN214319410 U CN 214319410U CN 202021220823 U CN202021220823 U CN 202021220823U CN 214319410 U CN214319410 U CN 214319410U
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- slurry
- tank
- muddy water
- dewatering screen
- screening
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 239000002002 slurry Substances 0.000 claims abstract description 86
- 239000004576 sand Substances 0.000 claims abstract description 37
- 238000012216 screening Methods 0.000 claims abstract description 35
- 239000000463 material Substances 0.000 claims abstract description 29
- 238000003825 pressing Methods 0.000 claims abstract description 12
- 239000002689 soil Substances 0.000 claims abstract description 12
- 239000002245 particle Substances 0.000 claims description 25
- 238000007599 discharging Methods 0.000 claims description 23
- 238000011084 recovery Methods 0.000 claims description 15
- 239000010865 sewage Substances 0.000 claims description 15
- 239000000706 filtrate Substances 0.000 claims description 14
- 239000004570 mortar (masonry) Substances 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 3
- 239000013049 sediment Substances 0.000 claims description 3
- 238000012545 processing Methods 0.000 abstract description 9
- 239000007788 liquid Substances 0.000 abstract description 5
- 238000013461 design Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 4
- 239000008187 granular material Substances 0.000 abstract description 3
- 238000009412 basement excavation Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 238000004064 recycling Methods 0.000 description 3
- 239000011449 brick Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 230000005641 tunneling Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Excavating Of Shafts Or Tunnels (AREA)
- Treatment Of Sludge (AREA)
Abstract
The utility model belongs to the field of muddy water treatment of tunnel underground excavation corollary equipment, specifically discloses a soil pressure shield constructs muddy water processing apparatus, including vibration grid machine, dewatering screen, thick liquid pond and filter-pressing equipment, vibration grid machine is used for carrying out the large granule screening with the pending material that carries to it through the conveyer, and vibration grid machine is connected with out sand spout and two guide spouts, and goes out sand spout, guide spout and communicate respectively and have one-level stock ground, dewatering screen, and vibration grid machine screens the material of pending material into the prescreening mud and leads to dewatering screen by the guide spout; the dewatering screen is used for carrying out sand removing and screening on the primary screened slurry and is provided with a slurry discharge port and a fine sand discharge port. The utility model discloses a three-dimensional design has reduced the plane land used of processing, fully compresses area, has increased the stability and the security of engineering, adopts neotype muddy water processing technology simultaneously, and processing technology is simple and high-efficient.
Description
Technical Field
The utility model relates to a tunnel underground tunnelling corollary equipment's muddy water treatment field specifically is a soil pressure shield constructs muddy water processing apparatus.
Background
The urbanization process is promoted in a geometric form, more and more cities continuously excavate underground spaces, and accordingly various subway tunnel engineering construction is carried out. The space available in cities is greatly examined. The shield construction is a common construction method for urban underground rail transit-subway, and is widely applied to subway construction in various cities at home and abroad. The earth pressure balance shield tunneling machine is the main equipment for subway shield construction, and the working principle is that the motor (or hydraulic motor) in the shield tunneling machine is used for driving a cutter head to rotate so as to cut the soil body of an underground excavation surface.
Although the earth pressure shield is favorable for controlling stratum displacement during construction, the earth pressure shield is limited by engineering geology, hydrological conditions and surrounding environment, a large amount of construction risks still exist, the slag discharge and treatment modes of the earth pressure shield are very crude, and if scientific treatment is not carried out, the pollution to the surrounding environment can be directly caused, so that the earth pressure shield muddy water treatment device is needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a soil pressure shield constructs muddy water processing apparatus to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a soil pressure shield mud water treatment device comprises a vibration grating machine, a dewatering screen, a slurry pool and a filter pressing device, wherein the vibration grating machine is used for screening large particles of a material to be treated conveyed to the vibration grating machine by a conveyor, the vibration grating machine is connected with a sand outlet chute and two material guide chutes, the sand outlet chute and the material guide chutes are respectively communicated with a primary stock dump and the dewatering screen, and the vibration grating machine screens the material of the material to be treated into primary screening slurry and guides the primary screening slurry to the dewatering screen by the material guide chutes; the dewatering screen is used for desanding and screening the primary screened slurry and is provided with a slurry discharge port and a fine sand discharge port, and the slurry discharge port and the fine sand discharge port are respectively connected with a slurry pond and a secondary yard; the slurry tank is internally provided with a submersible mixer for mixing slurry, the lower part of the slurry tank is connected with a main circulation pipeline and two mortar discharging pipelines, the main circulation pipeline is provided with a manual knife gate valve, a first pneumatic knife gate valve and a circulating pump, and the output end of the main circulation pipeline is communicated with the internal circulation pipeline of the slurry tank and the feed end of the vibrating grid machine; and the two mortar outlet slurry discharge pipelines are connected to the discharge output end at the lower part of the slurry pool, a slurry pump, a manual knife gate valve and a second pneumatic knife gate valve are distributed on the two mortar outlet slurry discharge pipelines, and the output ends of the two mortar outlet slurry discharge pipelines are connected with a filter pressing device.
Preferably, the vibrating screen is used for screening sand particles with the particle size larger than 5mm, and the dewatering screen is used for screening fine sand particles with the particle size larger than 0.074mm and smaller than 5 mm.
Preferably, the internal circulation pipeline of the pulp tank is connected between the output end of the main circulation pipeline and the pulp tank, and a manual knife gate valve is distributed on the internal circulation pipeline of the pulp tank.
Preferably, the filter pressing equipment comprises two box-type filter presses, the two box-type filter presses are respectively communicated with the output ends of the two mortar discharging pipelines, each box-type filter press is provided with a filtrate discharging end and a mud cake discharging end, and the filtrate discharging ends are connected with the recovery tank.
Preferably, the recovery tank has a sewage treatment tank for treating sewage from the filtrate output from the chamber filter press and outputting the treated filtrate to the clean water tank, and a clean water tank.
Preferably, the bottom of the sewage treatment tank is connected with the feed end of the vibration grating machine through a recovery pipeline, and the recovery pipeline is used for recovering and treating sediments at the bottom of the sewage treatment tank.
The utility model also provides an above-mentioned earth pressure shield constructs treatment process of muddy water processing apparatus, including following step:
s1: the material to be treated is conveyed to a vibration grating machine through a conveyor for large-particle screening, the material can be selectively washed during the material loading period, so that the material is liquefied into slurry, and the vibration grating machine enables stone particles with the particle size of more than 5mm to be screened out and fall to a primary storage yard;
s2: the slurry after being screened by the S1 is changed into primary screening slurry, the primary screening slurry is conveyed to a dewatering screen through a material guide chute for desanding and screening, the screening slurry falls into a slurry pool below the equipment, fine sand particles with the particle size of more than 0.074mm and less than 5mm are screened out and fall into a secondary storage yard;
s3: the treated slurry is continuously stirred in the slurry tank under the action of the submersible stirrer, so that the effect of preventing the slurry from settling is achieved, and meanwhile, the circulation in the slurry tank is carried out through a circulation pipeline and a circulation pump in the slurry tank;
s4: when the slurry is required to be discarded, a slurry pump is started, the slurry is pumped into a box-type filter press, the liquefied slurry is converted into solidified mud cakes by the box-type filter press for transferring, and filtrate water output by the box-type filter press flows back to a recovery tank and is repeatedly used.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a three-dimensional design has reduced the plane land used of processing, fully compresses area, has increased the stability and the security of engineering, adopts neotype muddy water treatment process simultaneously, promptly through carrying out large granule screening, degritting screening, thick liquid pond stirring, abandon thick liquid filter-pressing etc. to the material, treatment process is simple and high-efficient, the dregs through this technology screening out, pollution-free is harmless to the environment, can be used as backfill soil, gardens soil, preparation baking-free brick etc. play the effect that resource recovery recycled.
Drawings
FIG. 1 is a three-dimensional design diagram of the present invention;
fig. 2 is an enlarged schematic structural diagram of a in fig. 1 according to the present invention.
In the figure: 1. vibrating the grid machine; 101. a sand outlet chute; 102. a material guide chute; 2. a first-level storage yard; 3. dewatering screen; 31. a slurry discharge port; 32. a discharge hole of the fine sand; 4. a second-level storage yard; 5. a pulp tank; 51. a main circulation line; 511. a first pneumatic knife gate valve; 512. a circulation pump; 52. a sand slurry discharging pipeline; 521. a slurry pump; 522. a second pneumatic knife gate valve; 6. a submersible blender; 7. a circulation pipeline inside the slurry tank; 8. a box type filter press; 9. a recovery tank; 91. a sewage treatment tank; 92. a clean water tank; 10. and (6) recovering the pipeline.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1-2, the present invention provides a technical solution: a soil pressure shield mud water treatment device comprises a vibration grating machine 1, a dewatering screen 3, a slurry pool 5 and a filter pressing device, wherein the vibration grating machine 1 is used for screening large particles of a material to be treated conveyed to the vibration grating machine 1 through a conveyor, the vibration grating machine 1 is connected with a sand outlet chute 101 and two guide chutes 102, the sand outlet chute 101 and the guide chutes 102 are respectively communicated with a primary stock dump 2 and the dewatering screen 3, and the vibration grating machine 1 screens the material to be treated into primary screening mud and guides the primary screening mud to the dewatering screen 3 through the guide chutes 102; the dewatering screen 3 is used for desanding and screening the primary screened slurry, the dewatering screen 3 is provided with a slurry discharge port 31 and a fine sand discharge port 32, and the slurry discharge port 31 and the fine sand discharge port 32 are respectively connected with a slurry pond 5 and a secondary storage yard 4; a submersible mixer 6 for mixing the slurry is arranged in the slurry tank 5, the lower part of the slurry tank 5 is connected with a main circulation pipeline 51 and two sand slurry discharging pipelines 52, a manual knife gate valve, a first pneumatic knife gate valve 511 and a circulating pump 512 are arranged on the main circulation pipeline 51, and the output end of the main circulation pipeline 51 is communicated with a circulation pipeline 7 in the slurry tank and the feeding end of the vibrating grid machine 1; the two sand slurry discharging pipelines 52 are connected to the discharging output end at the lower part of the slurry pool 5, a slurry pump 521, a manual knife gate valve and a second pneumatic knife gate valve 522 are distributed on the two sand slurry discharging pipelines 52, and the output ends of the two sand slurry discharging pipelines 52 are connected with a filter pressing device.
In this embodiment, the vibrating screen machine 1 is used for screening sand particles with a particle size larger than 5mm, and the dewatering screen 3 is used for screening fine sand particles with a particle size larger than 0.074mm and smaller than 5 mm.
In this embodiment, the internal circulation pipeline 7 of the pulp chest is connected between the output end of the main circulation pipeline 51 and the pulp chest 5, and the internal circulation pipeline 7 of the pulp chest is distributed with manual knife gate valves.
In this embodiment, the filter pressing device comprises two box-type filter presses 8, the two box-type filter presses 8 are respectively communicated with the output ends of the two sand slurry discharging pipelines 52, the box-type filter presses 8 are provided with a filtrate discharging end 81 and a mud cake discharging end 82, and the filtrate discharging end 81 is connected with the recovery tank 9.
In the present embodiment, the recovery tank 9 has a sewage treatment tank 91 and a clean water tank 92, and the sewage treatment tank 91 is configured to treat the filtrate output from the chamber filter press 8 with sewage and output the treated filtrate to the clean water tank 92.
In this embodiment, the bottom of the sewage treatment tank 91 is connected to the feeding end of the vibration grid machine 1 through a recycling pipeline 10, and the recycling pipeline 10 is used for recycling the sediment at the bottom of the sewage treatment tank 91.
In this embodiment, a treatment process of a soil pressure shield muddy water treatment device includes the following steps:
s1: the material to be treated is conveyed to a vibration grating machine 1 through a conveyor for large particle screening, the material can be selectively washed during the material loading period, the material is liquefied into slurry, and stone particles with the particle size of more than 5mm are screened out by the vibration grating machine 1 and fall to a primary storage yard 2;
s2: the slurry after being screened by the S1 becomes primary screening slurry, the primary screening slurry is conveyed to a dewatering screen 3 through a material guide chute 102 for sand removal screening, the screened slurry falls into a slurry pool 5 below the equipment, fine sand particles with the particle size larger than 0.074mm and smaller than 5mm are screened out and fall into a secondary storage yard 4;
s3: the treated slurry is continuously stirred in the slurry tank 5 under the action of the submersible stirrer 6, so that the effect of preventing the slurry from settling is achieved, and meanwhile, the circulation in the slurry tank 5 is carried out through the circulation pipeline 7 and the circulation pump 512 in the slurry tank;
s4: when the slurry discarding treatment is needed, the slurry pump 521 is started, the slurry is pumped into the box-type filter press, the liquefied slurry is converted into a solidified mud cake by the box-type filter press 8 for transportation, and the filtrate water output by the box-type filter press 8 flows back to the recovery tank 9 and is used repeatedly.
The utility model discloses a three-dimensional design has reduced the plane land used of processing, fully compresses area, has increased the stability and the security of engineering, adopts neotype muddy water treatment process simultaneously, promptly through carrying out large granule screening, degritting screening, thick liquid pond stirring, abandon thick liquid filter-pressing etc. to the material, treatment process is simple and high-efficient, the dregs through this technology screening out, pollution-free is harmless to the environment, can be used as backfill soil, gardens soil, preparation baking-free brick etc. play the effect that resource recovery recycled.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The soil pressure shield muddy water treatment device is characterized by comprising a vibration grating machine (1), a dewatering screen (3), a slurry pool (5) and a filter pressing device, wherein the vibration grating machine (1) is used for screening large particles of a material to be treated conveyed to the vibration grating machine through a conveyor, the vibration grating machine (1) is connected with a sand outlet chute (101) and two material guide chutes (102), the sand outlet chute (101) and the material guide chutes (102) are respectively communicated with a primary stock yard (2) and the dewatering screen (3), and the vibration grating machine (1) screens the material to be treated into primary screening mud and leads the primary screening mud to the dewatering screen (3) through the material guide chutes (102); the dewatering screen (3) is used for desanding and screening the primary screened slurry, the dewatering screen (3) is provided with a slurry discharge port (31) and a fine sand discharge port (32), and the slurry discharge port (31) and the fine sand discharge port (32) are respectively connected with a slurry pond (5) and a secondary yard (4); a submersible mixer (6) for mixing the slurry is arranged in the slurry tank (5), the lower part of the slurry tank (5) is connected with a main circulation pipeline (51) and two mortar discharge pipelines (52), a manual knife gate valve, a first pneumatic knife gate valve (511) and a circulating pump (512) are arranged on the main circulation pipeline (51), and the output end of the main circulation pipeline (51) is communicated with the internal circulation pipeline (7) of the slurry tank and the feed end of the vibrating grid machine (1); the two sand slurry discharging pipelines (52) are connected to the discharging output end at the lower part of the slurry pool (5), a slurry pump (521), a manual knife gate valve and a second pneumatic knife gate valve (522) are distributed on the two sand slurry discharging pipelines (52), and the output ends of the two sand slurry discharging pipelines (52) are connected with a filter pressing device.
2. The earth pressure shield muddy water treatment device as claimed in claim 1, wherein the vibrating screen machine (1) is used for screening sand particles with the particle size larger than 5mm, and the dewatering screen (3) is used for screening fine sand particles with the particle size larger than 0.074mm and smaller than 5 mm.
3. The earth pressure shield muddy water treatment device according to claim 1, wherein the internal circulation pipeline (7) of the slurry tank is connected between the output end of the main circulation pipeline (51) and the slurry tank (5), and manual knife gate valves are distributed on the internal circulation pipeline (7) of the slurry tank.
4. The earth pressure shield muddy water treatment device as claimed in claim 1, wherein the filter pressing equipment comprises two box-type filter presses (8), the two box-type filter presses (8) are respectively communicated with the output ends of the two sand slurry discharging pipelines (52), the box-type filter presses (8) are provided with a filtrate discharging end (81) and a mud cake discharging end (82), and the filtrate discharging end (81) is connected with the recovery tank (9).
5. The earth pressure shield muddy water treatment device as claimed in claim 4, wherein said recovery tank (9) has a sewage treatment tank (91) and a clean water tank (92), and the sewage treatment tank (91) is used for performing sewage treatment on the filtrate output from the box filter press (8) and outputting the treated filtrate to the clean water tank (92).
6. The earth pressure shield muddy water treatment device as claimed in claim 5, wherein the bottom of the sewage treatment tank (91) is connected with the feeding end of the vibration grating machine (1) through a recovery pipeline (10), and the recovery pipeline (10) is used for recovering and treating sediments at the bottom of the sewage treatment tank (91).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021220823.2U CN214319410U (en) | 2020-06-28 | 2020-06-28 | Earth pressure shield muddy water treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021220823.2U CN214319410U (en) | 2020-06-28 | 2020-06-28 | Earth pressure shield muddy water treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214319410U true CN214319410U (en) | 2021-10-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021220823.2U Active CN214319410U (en) | 2020-06-28 | 2020-06-28 | Earth pressure shield muddy water treatment device |
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| Country | Link |
|---|---|
| CN (1) | CN214319410U (en) |
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2020
- 2020-06-28 CN CN202021220823.2U patent/CN214319410U/en active Active
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| GR01 | Patent grant | ||
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| CP03 | Change of name, title or address |
Address after: Room 203, No. 11 Yujinggang Road, Jing'an District, Shanghai, 200070 Patentee after: Shanghai Tianhao Industrial Co.,Ltd. Address before: 200070 room 912, 138 Pingxingguan Road, Jing'an District, Shanghai Patentee before: SHANGHAI TIANHAO INDUSTRIAL Co.,Ltd. |