CN211133259U - Engineering mud in-situ treatment device - Google Patents

Abstract

The utility model belongs to the technical field of the engineering mud processing technique and specifically relates to a engineering mud normal position processing apparatus is related to, including pond and slush pump, the vertical a plurality of baffles that are equipped with in the bottom of the pool in pond, two adjacent baffles enclose into the holding tank with the pond inner wall, and the slush pump passes through the inlet pipe and connects the slush tank, connects the pond through the discharging pipe, and on the discharging pipe was fixed in the inner wall in pond, the discharge end of discharging pipe was located the baffle top, and the discharging pipe is to the direction ejection of compact of perpendicular to baffle. The utility model sprays slurry in water through the slurry pump, and preliminarily separates coarse sand, fine sand and earth particles in the slurry according to different settling distances of different substances; utilize vibrating motor to drive the frame plate vibration to improve the screening effect of screen cloth, prevent to pile up the deposit on the screen cloth and reduce the screening effect.

Description

Engineering mud in-situ treatment device

Technical Field

The utility model belongs to the technical field of engineering mud processing technique and specifically relates to an engineering mud normal position processing apparatus is related to.

Background

The engineering slurry in-situ treatment technology is a treatment technology for purifying, recycling and dehydrating engineering waste slurry of buildings, municipal works, subways and the like to achieve reduction, harmlessness, reclamation, stabilization and greening. The engineering slurry in-situ treatment technology is suitable for purifying, dehydrating and reducing engineering waste slurry generated by the construction of slurry shield tunnel engineering, pile foundation engineering, pipe jacking engineering, hydraulic fill engineering and the like and slurry of river and lake dredging and the like.

As shown in fig. 1, after the engineering mud discharged by the shield machine or the pile machine enters a pre-screening device for screening, slag and sand with the particle size of more than 3mm are separated for resource utilization; the screened mud enters a primary control source separation system, is subjected to cyclone desanding and sorting, the mud and sand with fine particle size enters a secondary cyclone screening system, the dry fine sand is separated, and the undersize slurry enters a slurry mixing system.

The slurry mixing system has two outlet directions, wherein the slurry can be circulated and can be recycled after being tempered, and the slurry enters a filter-pressing dehydration system for deep dehydration after being tempered, and reclaimed water and mud cakes are discharged. After the engineering slurry is treated, part of the slurry is recycled, and other slag materials are dewatered and reduced to meet the resource utilization requirement, so that the purification and zero emission of the engineering slurry are realized.

After in-situ treatment such as pre-screening, separation, slurry mixing, filter pressing and the like, the engineering slurry is finally separated into recyclable slurry, sand, mud cakes and reclaimed water, wherein the sand can be used as a backfill material; the mud cake soil is hard plastic soil with good permeability and can be directly used as foundation soil or other geotechnical materials; the reclaimed water can be used for greening irrigation and road cleaning, so that the resource utilization requirement of the engineering slurry is ensured, the zero emission standard of the engineering slurry is realized, and the surrounding environment of the engineering is protected.

The process flow needs to use various devices and containers such as a pre-screening device, a plate-and-frame filter press, a slurry mixing tank and the like, and the conditions are difficult to achieve on a construction site, so that a device capable of primarily separating coarse sand, fine sand and mud cakes on the construction site by using limited conditions is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an engineering mud normal position processing apparatus, it has the advantage of at the on-the-spot primary separation coarse sand of engineering, fine sand and mud cake.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides an engineering mud normal position processing apparatus, includes pond and slush pump, and the bottom of the pool is vertical to be equipped with a plurality of baffles, and two piece adjacent baffles enclose into the holding tank with the pond inner wall, and the slush pump passes through the inlet pipe and connects the mud pond, connect the pond through the discharging pipe, and on the discharging pipe was fixed in the inner wall in pond, the discharge end of discharging pipe was located the baffle top, and the discharging pipe is to the direction ejection of compact of perpendicular to baffle.

Through adopting above-mentioned technical scheme, pump the pond with the mud in the mud pond through the slush pump, the particle diameter of coarse sand, fine sand, the earth granule in the mud is different, weight also is different, and coarse sand is heavier than the fine sand, and the fine sand is heavier than the earth granule, and consequently the settlement distance of coarse sand is shorter than the settlement distance of fine sand in the mud that jets out in aqueous, and the settlement distance of earth granule is more than the settlement distance of fine sand. After the sedimentation is finished, water in the water tank is slowly pumped out, and then coarse sand, fine sand and mud cakes which are separated preliminarily can be obtained.

Preferably, an independent clean water tank is arranged in the water tank and used for precipitating soil.

By adopting the technical scheme, the coarse sand is wrapped by the filter screen and is placed in a clean water tank for cleaning, so that fine sand and soil particles doped in the coarse sand can be screened out, and relatively pure coarse sand is obtained; similarly, the fine sand is wrapped by a filter screen with finer meshes and is placed in a clean water tank for cleaning, so that soil particles doped in the fine sand can be screened out, and the relatively pure fine sand is obtained.

Preferably, all be equipped with the multilayer screen cloth from last to bottom in all holding tanks, the mesh size of screen cloth reduces from last to bottom in proper order in every holding tank.

Through adopting above-mentioned technical scheme, from last to the screen cloth of arranging sieve in proper order down and stay the sand that the particle diameter is from big to little, the minimum earth granule of particle diameter sinks to the holding tank bottom, has realized the separation of multiple material in the mud.

Preferably, all be equipped with a stock in every holding tank, be fixed with the multilayer framed panel on the stock, the screen cloth is fixed in the framed panel bottom.

Through adopting above-mentioned technical scheme, utilize the stock can carry out the pond with the framed panel to easily obtain the material that the sieve stayed on the screen cloth.

Preferably, the long rod is connected with a vibration motor.

Through adopting above-mentioned technical scheme, utilize vibrating motor to drive the frame plate vibration to improve the screening effect of screen cloth, prevent to pile up the deposit on the screen cloth and reduce the screening effect.

Preferably, the part that all stock exposed to the water all is equipped with the perforation, wears to establish the horizontal pole in the perforation, and all stock are connected to a horizontal pole, and the spiro union has the screw on the stock, and the screw extends to and supports the horizontal pole in the perforation, and vibrating motor is fixed in on the horizontal pole.

By adopting the technical scheme, the cross rods are utilized to be connected with all the long rods in series, and only one vibration motor is needed to vibrate the frame plates on all the long rods, so that the cost is reduced. When a certain long rod needs to be lifted out of the water pool, the screw is separated from the cross rod only by rotating the screw, and the cross rod is pulled out from the through hole of the long rod.

Preferably, the discharge end of the discharge pipe is covered with a steel wire cage, and the bottom of the steel wire cage is provided with an opening.

Through adopting above-mentioned technical scheme, the steel wire cage is used for the interception to follow the great stone that the discharging pipe erupted, and the stone of interception falls in the bottom of the pool from the bottom opening part of steel wire cage.

Preferably, a basket type filter screen cylinder is arranged under the opening of the steel wire cage.

Through adopting above-mentioned technical scheme, the stone of steel wire cage interception falls into basket formula filter screen cylinder, washs basket formula filter screen cylinder and sieves sand and earth granule and can obtain the stone that does not contain the impurity.

To sum up, the utility model discloses a beneficial technological effect does:

1. spraying slurry in water through a slurry pump, and primarily separating coarse sand, fine sand and soil particles from the slurry according to different settling distances of different substances;

2. utilize vibrating motor to drive the frame plate vibration to improve the screening effect of screen cloth, prevent to pile up the deposit on the screen cloth and reduce the screening effect.

Drawings

FIG. 1 is a flow chart of an in-situ treatment process of engineering mud in the background art;

FIG. 2 is a schematic structural diagram of an in-situ engineering mud treatment device in an embodiment;

FIG. 3 is a schematic view of the construction of the frame plate;

figure 4 is a schematic view of the attachment of a long rod to a cross-bar.

In the figure, 1, a water pool; 2. a slurry pump; 3. a partition plate; 4. accommodating grooves; 5. a feed pipe; 6. a discharge pipe; 7. a clean water tank; 8. screening a screen; 9. a long rod; 10. perforating; 11. a frame plate; 12. a vibration motor; 13. a cross bar; 14. a screw; 15. a steel wire cage cover; 16. an opening; 17. a basket type filter screen cylinder.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b): fig. 2 is the utility model discloses an engineering mud normal position processing apparatus, including pond 1, pond 1 can be built by laying bricks or stones at the engineering scene, also can be with the preparation of iron sheet water tank, still includes slush pump 2, and intake pipe 5 is connected to the mouth of inhaling of slush pump 2, discharging pipe 6 is connected to the discharge gate, and in intake pipe 5 extended the mud pond, discharging pipe 6 extended the aquatic in pond 1. An independent clean water tank 7 is further enclosed in the water tank 1, and the clean water tank 7 is used for washing sand or precipitating soil.

As shown in fig. 2, a plurality of parallel partition boards 3 are vertically fixed at the bottom of the pool 1, and a square holding groove 4 is defined by two adjacent partition boards 3 and the inner wall of the pool 1. All insert a vertical stock 9 in every holding tank 4, fixed multi-layer drawer shape's framed panel 11 on the length direction of stock 9, framed panel 11 and holding tank 4's inner wall cooperation, framed panel 11 does not have the end, and the bottom seals there is screen cloth 8 (see fig. 3). In the plurality of layers of the mesh net 8 in each of the holding tanks 4, the mesh size of the mesh net 8 is reduced from top to bottom in order, that is, the mesh size of the mesh net 8 at the highest position is the largest, and the mesh size of the mesh net 8 at the lowest position is the smallest.

Referring to fig. 2 and 4, all the long rods 9 are provided with through holes 10 at the outer part of the pool 1, and each long rod 9 is provided with a threaded hole communicated with the through hole 10. A cross bar 13 is penetrated in the through holes 10 of all the long rods 9, and a screw 14 is screwed in the threaded hole on each long rod 9, the screw 14 is propped against the cross bar 13, so that the cross bar 13 is fixed relative to all the long rods 9. A vibration motor 12 is fixed on the cross bar 13, and the vibration motor 12 is started to vibrate all the long rods 9, so that all the frame plates 11 on each long rod 9 are vibrated. The cross rods 13 are connected with all the long rods 9 in series, and only one vibration motor 12 is needed to vibrate the frame plates 11 on all the long rods 9, so that the cost is reduced. When a certain long rod 9 needs to be lifted out of the water pool 1, the screw 14 is rotated to separate the screw 14 from the cross rod 13, and the cross rod 13 is pulled out from the through hole 10 of the long rod 9.

As shown in figure 2, the discharging pipe 6 is fixed on the inner wall of the water tank 1, the discharging end of the discharging pipe 6 is positioned above the partition plate 3, the discharging pipe 6 sprays sludge in a direction perpendicular to the partition plate 3, and the sludge is sprayed upwards in a horizontal spraying mode or in a small angle (the elevation angle is less than 15 degrees). The discharge end of the discharge pipe 6 is covered with a steel wire cage 15, the bottom of the steel wire cage 15 is provided with an opening 16, and a basket type filter screen cylinder 17 is arranged in the water tank 1 under the opening 16 of the steel wire cage 15. The steel wire cage cover 15 is used for intercepting the big stones that spout from discharging pipe 6, and the stones of interception are located to fall into basket formula filter screen cylinder 17 from the bottom opening 16 of steel wire cage cover 15, wash basket formula filter screen cylinder 17 and sieve sand and earth granule and can obtain the stones that do not contain impurity.

The implementation principle of the embodiment is as follows: pumping the slurry in the slurry tank into the tank 1 by a slurry pump 2, wherein the slurry has different particle sizes and different weights of coarse sand, fine sand and soil particles, the coarse sand is heavier than the fine sand, and the fine sand is heavier than the soil particles, so that the settling distance of the coarse sand (the distance from a discharge pipe 6) in the slurry jetted out of the water is shorter than that of the fine sand, and the settling distance of the soil particles is far longer than that of the fine sand; the screen 8 arranged from top to bottom sequentially screens and retains sand with the particle size from large to small, and soil particles with the minimum particle size sink to the bottom of the accommodating groove 4; when the discharge pipe 6 sprays slurry underwater, the vibration motor 12 is started to drive the frame plate 11 to vibrate, so that the screening effect of the screen 8 is improved, and the screening effect is prevented from being reduced due to the fact that sediment is accumulated on the screen 8. After the sedimentation is finished, the frame plate 11 is lifted out of the pool 1 by the long rod 9, so that substances screened on the screen mesh 8 can be easily obtained; and finally, slowly pumping water in the water tank 1 to obtain the mud cake.

Placing the coarse sand covered by a filter screen in a clean water tank 7 for cleaning, and screening out fine sand and soil particles doped in the coarse sand to obtain relatively pure coarse sand; similarly, the fine sand is wrapped by a filter screen with finer meshes and is placed in a clean water tank 7 for cleaning, so that soil particles doped in the fine sand can be screened out, and relatively pure fine sand is obtained.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides an engineering mud normal position processing apparatus which characterized in that: including pond (1) and slush pump (2), the bottom of the pool of pond (1) is vertical to be equipped with a plurality of baffles (3), two adjacent baffles (3) enclose into holding tank (4) with pond (1) inner wall, slush pump (2) are connected the mud pond through inlet pipe (5), connect pond (1) through discharging pipe (6), discharging pipe (6) are fixed in on the inner wall in pond (1), the discharge end of discharging pipe (6) is located baffle (3) top, discharging pipe (6) are to the direction ejection of compact of perpendicular to baffle (3).

2. The engineering mud in-situ treatment device of claim 1, wherein: an independent clean water tank (7) is arranged in the water tank (1), and the clean water tank (7) is used for precipitating soil.

3. The engineering mud in-situ treatment device of claim 1, wherein: all be equipped with multilayer screen cloth (8) from last to down in all holding tank (4), the mesh size of screen cloth (8) reduces from last to down in proper order in every holding tank (4).

4. The engineering mud in-situ treatment device of claim 3, characterized in that: all be equipped with a stock (9) in every holding tank (4), be fixed with multilayer framed panel (11) on stock (9), screen cloth (8) are fixed in framed panel (11) bottom.

5. The engineering mud in-situ treatment device of claim 4, characterized in that: the long rod (9) is connected with a vibration motor (12).

6. The engineering mud in-situ treatment device of claim 5, wherein: all stock (9) expose the part of the surface of water and all be equipped with perforation (10), wear to establish horizontal pole (13) in perforation (10), all stock (9) are connected to a horizontal pole (13), and the spiro union has screw (14) on stock (9), and screw (14) extend and support horizontal pole (13) in perforation (10), and vibrating motor (12) are fixed in on horizontal pole (13).

7. The engineering mud in-situ treatment device of claim 1, wherein: the discharging end of the discharging pipe (6) is covered with a steel wire cage (15), and the bottom of the steel wire cage (15) is provided with an opening (16).

8. The engineering mud in-situ treatment device of claim 7, wherein: a basket type filter screen cylinder (17) is arranged under the opening (16) of the steel wire cage cover (15).

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