CN212770212U - Novel shield constructs silt separator - Google Patents

Abstract

The utility model belongs to the technical field of mechanical engineering separation devices, and discloses a novel shield mud-sand separator; the roughing vibrating screen is respectively connected with the small stone pool, the melon seed slice pool, the large stone pool and the sand washer through the small stone conveyer belt, the melon seed slice conveyer belt, the large stone conveyer belt and the primary sediment pipe, the sand washer is connected with the first high-frequency vibrating screen and the second high-frequency vibrating screen, and the first high-frequency vibrating screen and the second high-frequency vibrating screen are connected with the sand pool through the sand conveyer belt; the sand washer is connected with a third-stage sedimentation tank through a mud-water backflow pipe, and the third-stage sedimentation tank is connected with a first high-frequency vibrating screen and a second high-frequency vibrating screen through a secondary mud-sand backwashing pipe; the third-stage sedimentation tank is respectively connected with the first coagulant stirring barrel and the second coagulant stirring barrel in the first reactor and the third coagulant stirring barrel and the fourth coagulant stirring barrel in the second reactor through sludge and sewage pipes. The device simple structure, work efficiency is high, and the environmental protection theory is strong, and the secondary utilization is rateed highly, practices thrift the labour, and the field cloth rationality is good.

Description

Novel shield constructs silt separator

Technical Field

The utility model belongs to the technical field of mechanical engineering separator, especially, relate to a novel shield constructs silt separator.

Background

At present, urban subways are very ubiquitous traffic tools in China and are generally built in developed cities of one line or two lines. At present, the construction method of the shield machine is adopted in the construction of domestic subways, because of underground engineering, the water content is very high, the requirement on environmental protection is extremely high in municipal projects, particularly developed cities, shield slurry is transported outside to become a difficult point of a construction unit, and the project progress and cost are directly limited. In the process of excavating the mudstone layer, the components of the muck are water, mud, sand and stones, wherein the sand and the stones have utilization values and can be used for the second time after washing the mud, the mud forms a mud cake after being pressed by a filter press to be used as a mud retaining wall for the construction of the municipal engineering fender post, and the redundant mud cake can be directly transported outside, so that the project cost is saved, and the environmental protection idea is realized.

In view of the promotion of domestic city transportation road, the subway construction is visible everywhere in one-line, two-line city, and tunnel mud sediment volume is very big, can see from this that shield constructs the silt separator and will have very big market prospect, and current sand washer is only the simple sand washing, and equipment is simple, and the flow is simple, and is used fewly in the aspect of the subway, and the practicality is not strong.

Through the above analysis, the problems and defects of the prior art are as follows: the existing sand washer only washes river sand, resources cannot be recycled, equipment is simple, the process is simple, the application is few in the aspect of subway, the problems that shield sludge of a subway project is difficult to take out and place, environment protection is difficult to guarantee during transportation, the disposal is difficult after outward transportation, the resource waste is caused, and the practicability is not strong are effectively solved.

The difficulty in solving the above problems and defects is: how to use the existing equipment and the autonomous design equipment to be efficiently and safely integrated; how to effectively utilize the whole set of equipment to separate mud and sand; how to control the cleanliness of the finished product after slag washing; how to recycle water resources; how to quickly separate mud and water; how to quickly and effectively gather finished products at the designed positions and the like are all difficult points and key points.

The significance of solving the problems and the defects is as follows: the novel shield mud-sand separation equipment is designed aiming at the problems, solves the practical problems in the production process, and has the significance of achieving the purposes of high efficiency, energy conservation and environmental protection; secondly, the situation that the construction unit is hard to come out of the earth is improved; thirdly, recycling and reusing resources; fourthly, new equipment and a new process are adopted, and the national green and environment-friendly regeneration advocation concept is responded; fifthly, reference and technical guarantee basis is provided for similar construction in the future.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems existing in the prior art, the utility model provides a novel shield constructs silt separator.

The utility model discloses a realize like this, a novel shield constructs silt separator, novel shield constructs silt separator and is provided with:

roughly selecting a vibrating screen;

the roughing vibrating screen is respectively connected with the small stone pool, the melon seed slice pool, the large stone pool and the sand washer through the small stone conveyer belt, the melon seed slice conveyer belt, the large stone conveyer belt and the primary sediment pipe, the sand washer is connected with the first high-frequency vibrating screen and the second high-frequency vibrating screen, and the first high-frequency vibrating screen and the second high-frequency vibrating screen are connected with the sand pool through the sand conveyer belt; the sand washer is connected with a third-stage sedimentation tank through a mud-water backflow pipe, and the third-stage sedimentation tank is connected with a first high-frequency vibrating screen and a second high-frequency vibrating screen through a secondary mud-sand backwashing pipe; the third-stage sedimentation tank is respectively connected with the first coagulant stirring barrel and the second coagulant stirring barrel in the first reactor and the third coagulant stirring barrel and the fourth coagulant stirring barrel in the second reactor through sludge and sewage pipes.

Furthermore, a first coagulant stirring barrel, a second coagulant stirring barrel, a third coagulant stirring barrel and a fourth coagulant stirring barrel are respectively connected with a water feeding pipe of the coagulant stirring barrel.

Further, a first agglutinant stirring barrel, a second agglutinant stirring barrel, a third agglutinant stirring barrel and a fourth agglutinant stirring barrel are connected with the filter press through a feeding motor.

Further, the filter press is respectively connected with a clean water tank and a mud cake tank through a filter press clean water pipe and a mud cake conveyer belt.

Furthermore, the clean water tank is connected with an external water source, a first reactor and a second reactor through a clean water tank water supplementing pipe and an anti-overflow pipe respectively, and the clean water tank connects water with the roughing vibrating screen through a longitudinal circulating mud washing pipe and a transverse circulating mud washing pipe through a longitudinal circulating mud washing pipe motor and a transverse circulating mud washing pipe motor.

Combine foretell all technical scheme, the utility model discloses the advantage that possesses and positive effect are:

firstly, the sand washer of the utility model rotates to screen with water, sand is brought into a high-frequency vibrating screen through an impeller groove of the sand washer for further screening, and the sand on a sieve plate is conveyed to a sand pool through a sand conveying belt; the muddy water under the sieve plate flows into the third-stage sedimentation tank through a muddy water return pipe, and the muddy water in the middle tank of the third-stage sedimentation tank is pumped to the high-frequency vibrating sieve again through a secondary silt backwashing pipe by a water pump for secondary screening; the polymer coagulant in the coagulant stirring barrel flows automatically according to the set flow rate and performs physical reaction with muddy water, so that rapid precipitation can be achieved; the large stones and the small stones in the large stone pool and the small stone pool can be sold after being transported, the melon seed slices in the melon seed slice pool can be used as a station guniting raw material in main body construction, project cost is reduced, the environment-friendly concept is strong, labor force is saved, maintenance is simple and convenient, and the application range is wide.

Second, the utility model provides a water pipe on the agglomerant agitator can carry out the moisturizing to the agglomerant agitator.

Third, the utility model discloses the pressure filter can carry out mud-water separation to the sediment.

Fourth, the utility model discloses mud-water separation's water gets into the clean water basin and can carry out reuse, and the mud cake in the mud cake pond can be used as fender pile mud dado raw materials in the auxiliary construction, has reduced manufacturing cost.

Fifth, the utility model discloses water in the clean water basin reaches the coarse screening shale shaker through the water pump and vertically washes mud, transversely washes the stone, and the cost is few, simple structure.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments of the present application will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained from the drawings without creative efforts.

Fig. 1 is a schematic structural view of a novel shield sand-mud separator provided by an embodiment of the present invention;

1. a slag pit; 2. roughly selecting a vibrating screen; 3. roughing a motor of the vibrating machine; 4. a small stone conveyer belt; 5. a melon seed slice conveying belt; 6. a large stone conveyor belt; 7. primary silt pipes; 8. washing a sand machine; 9. a first high-frequency vibrating screen; 10. a second high-frequency vibrating screen; 11. a first high-frequency vibrating screen motor; 12. a second high-frequency vibrating screen motor; 13. a sand washer motor; 14. a sand conveyor belt; 15. a mud-water return pipe; 16. a third-stage sedimentation tank; 17. a three-stage sedimentation first-tank motor; 18. a third-stage sedimentation second-tank motor; 19. a three-stage sedimentation three-tank motor; 20. a secondary silt return pipe; 21. a clean water pool water replenishing pipe; 22. a clean water tank; 23. a longitudinal circulation mud washing pipe motor; 24. a transverse circulation mud washing pipe motor; 25. transversely circulating a mud washing pipe; 26. a longitudinal circulation mud washing pipe; 27. a sludge sewage pipe; 28. a reactor number one; 29. a reactor number two; 30. a first coagulant stirring barrel; 31. a second agglomerant stirring barrel; 32. a third agglomerant stirring barrel; 33. a fourth and third agglomerant stirring barrel; 34. an anti-overflow pipe; 35. a water feeding pipe of the coagulant stirring barrel; 36. a first water pressing pipe; 37. a second water pressing pipe; 38. a third water pressing pipe; 39. filter-pressing the clear water pipe; 40. a first filter press; 41. a second filter press; 42. a third filter press; 43. a mud cake conveyor belt; 44. a control room; 45. a longitudinal cake coagulation conveyor belt motor; 46. a press motor; 47. a sand pool; 48. a mud cake pool; 49. a transverse mud cake conveyor belt motor; 50. a large stone pool; 51. a large stone conveyer belt motor; 52. a melon seed slice pool; 53. a melon seed piece conveying belt motor; 54. a small stone pool; 55. a small stone conveyer belt motor; 56. a sand conveyor belt motor.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Problem to prior art existence, the utility model provides a novel shield constructs silt-sand separating centrifuge, it is right to combine the attached drawing below the utility model discloses do detailed description.

The roughing vibrating screen 2 is respectively connected with a small stone pool 54, a melon seed slice pool 52, a large stone pool 50 and a sand washing machine 8 through a small stone conveyer belt 4, a melon seed slice conveyer belt 5, a large stone conveyer belt 6 and a primary silt pipe 7, the sand washing machine 8 is connected with a first high-frequency vibrating screen 9 and a second high-frequency vibrating screen 10, and the first high-frequency vibrating screen 9 and the second high-frequency vibrating screen 10 are connected with a sand pool 47 through a sand conveyer belt 14; the sand washer 8 rotates to carry out screening with water, sand is brought into the high-frequency vibrating screen through an impeller groove of the sand washer for further screening, and the sand on the screen plate is conveyed to a sand pool through a sand conveying belt 14; the large stones and the small stones in the large stone pool 50 and the small stone pool 54 can be sold after being transported, so that the project cost is reduced; the melon seed slices in the melon seed slice pool 52 can be used as a station guniting raw material in main body construction, and project cost is reduced.

The sand washer 8 is connected with a third-stage sedimentation tank 16 through a mud-water return pipe 15, and the third-stage sedimentation tank 16 is connected with a first high-frequency vibrating screen 9 and a second high-frequency vibrating screen 10 through a secondary mud-sand backwashing pipe 20; the muddy water flows into the third-stage sedimentation tank 16 through the muddy water return pipe 15, and the muddy water in the middle tank of the third-stage sedimentation tank 16 is pumped to the high-frequency vibrating screen again through the secondary silt backwashing pipe 20 by the water pump for secondary screening.

The third-stage sedimentation tank 16 is respectively connected with a first coagulant stirring barrel 30 and a second coagulant stirring barrel 31 in the first reactor 28, and a third coagulant stirring barrel 32 and a fourth coagulant stirring barrel 33 in the second reactor 29 through a sludge sewage pipe 27; the first coagulant stirring barrel 30, the second coagulant stirring barrel 31, the third coagulant stirring barrel 32 and the fourth coagulant stirring barrel 33 are respectively connected with a coagulant stirring barrel water feeding pipe 35; the polymer coagulant in the coagulant stirring barrel flows automatically according to the set flow rate and reacts with the muddy water to achieve rapid precipitation.

The first agglutinant stirring barrel 30, the second agglutinant stirring barrel 31, the third agglutinant stirring barrel 32 and the fourth agglutinant stirring barrel 33 are connected with a filter press through a feeding motor; the filter press can separate mud and water from the sediment, the filter press is respectively connected with the clean water tank 22 and the mud cake tank 52 through the filter press clean water pipe 39 and the mud cake conveying belt 43, and mud cakes in the mud cake tank 52 can be used as mud retaining wall raw materials of the fender pile in the auxiliary construction.

The clean water tank 22 is respectively connected with an external water source, a first reactor 28 and a second reactor 29 through a clean water tank water supplementing pipe 21 and an anti-overflow pipe 34, and the clean water tank 22 connects water with the roughing vibrating screen 2 through a longitudinal circulating mud washing pipe 26 and a transverse circulating mud washing pipe 25 through a longitudinal circulating mud washing pipe motor 23 and a transverse circulating mud washing pipe motor 24; the water in the clean water tank 22 reaches the roughing vibrating screen 2 through a water pump to carry out longitudinal mud washing and transverse stone washing.

The utility model discloses when using, after all motors start, on the dregs material loading to the roughing shale shaker 2 in with dregs hole 1 by the excavator, roughing shale shaker 2 falls into four storehouses with roughing shale shaker 2 by the foraminiferous (aperture is steadilyd decrease in proper order by last to lower in proper order) board of three-layer, roughing shale shaker 2 low frequency vibration, divide into four big types with dregs, from last to being big stone, small stone, melon seed piece and silt particle in proper order down. After being washed, the large pebbles, the small pebbles and the melon seed slices are respectively conveyed to a large pebble tank 50, a small pebble tank 54 and a melon seed slice tank 52 by a large pebble conveying belt 6, a small pebble conveying belt 4 and a melon seed slice conveying belt 5 for standby application, the bottom layer of muddy sand flows into a sand washer 8 through a primary muddy sand pipe 7, the sand washer 8 rotates to carry out screening with water, the sand is further screened by a high-frequency vibrating screen through a sand washer impeller groove, the sand on a sieve plate is conveyed to a sand tank through a sand conveying belt 14, the muddy water flows into a tertiary sedimentation tank 16 through a muddy water backflow pipe 15, and the muddy water in a middle tank of the tertiary sedimentation tank 16 is pumped to the high-frequency vibrating screen again through a secondary muddy sand backwashing pipe 20 by a water pump to carry out secondary. The screened mud water is pumped into a first reactor 28 and a second reactor 29 by a high-pressure pump in a third-stage sedimentation tank 16, meanwhile, a high-molecular coagulant in a coagulant stirring tank flows automatically according to a set flow rate to perform physical reaction with the mud water, the purpose of rapid sedimentation is achieved, the mud water after reaction is pumped into a filter press by a feeding motor for mud-water separation, separated mud cakes are collected to a transverse mud cake conveying belt 43 by a longitudinal mud cake conveying belt 43 and flow into a mud cake tank 48, separated clear water flows into a clear water tank 22 for recycling through a filter pressing clear water pipe 39, water in the clear water tank 22 reaches a roughing vibrating screen 2 through a water pump for longitudinal mud washing and transverse stone washing, when the clear water tank 22 is lack of water, water is supplemented, and when the coagulant stirring tank works, exogenous water supplement is required, and dry powder of the high-molecular coagulant is diluted.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be covered within the protection scope of the present invention by those skilled in the art within the technical scope of the present invention.

Claims (5)

1. The utility model provides a novel shield constructs silt separator, its characterized in that, novel shield constructs silt separator is provided with:

roughly selecting a vibrating screen;

the roughing vibrating screen is respectively connected with the small stone pool, the melon seed slice pool, the large stone pool and the sand washer through the small stone conveyer belt, the melon seed slice conveyer belt, the large stone conveyer belt and the primary sediment pipe, the sand washer is connected with the first high-frequency vibrating screen and the second high-frequency vibrating screen, and the first high-frequency vibrating screen and the second high-frequency vibrating screen are connected with the sand pool through the sand conveyer belt; the sand washer is connected with a third-stage sedimentation tank through a mud-water backflow pipe, and the third-stage sedimentation tank is connected with a first high-frequency vibrating screen and a second high-frequency vibrating screen through a secondary mud-sand backwashing pipe; the third-stage sedimentation tank is respectively connected with the first coagulant stirring barrel and the second coagulant stirring barrel in the first reactor and the third coagulant stirring barrel and the fourth coagulant stirring barrel in the second reactor through sludge and sewage pipes.

2. The novel shield mud-sand separator as claimed in claim 1, wherein the first coagulant stirring barrel, the second coagulant stirring barrel, the third coagulant stirring barrel and the fourth coagulant stirring barrel are respectively connected with a water feeding pipe of the coagulant stirring barrel.

3. The novel shield mud-sand separator as claimed in claim 1, wherein the first coagulant stirring barrel, the second coagulant stirring barrel, the third coagulant stirring barrel and the fourth coagulant stirring barrel are connected with a filter press through a feeding motor.

4. The novel shield mud-sand separator as claimed in claim 3, wherein the filter press is connected with the clean water tank and the mud cake tank respectively through a filter press clean water pipe and a mud cake conveyor belt respectively.

5. The novel shield mud-sand separator as claimed in claim 4, wherein the clean water tank is connected with an external water source, a first reactor and a second reactor through a clean water tank water supplementing pipe and an anti-overflow pipe respectively, and the clean water tank is connected with the roughing vibrating screen through a longitudinal circulation mud washing pipe motor and a transverse circulation mud washing pipe motor.

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