CN212317906U

CN212317906U - Drilling slag treatment vehicle

Info

Publication number: CN212317906U
Application number: CN202021098129.8U
Authority: CN
Inventors: 孙康; 晏昱旻; 高慎伟
Original assignee: Shenyang Dibo Building Engineering Co ltd
Current assignee: Shenyang Dibo Building Engineering Co ltd
Priority date: 2020-06-15
Filing date: 2020-06-15
Publication date: 2021-01-08
Anticipated expiration: 2030-06-15

Abstract

The utility model relates to a bore sediment and handle car mainly relates to bore sediment and handle the car. The processing vehicle comprises a power vehicle head, the drilling slag conveying system is connected with a drilling slag separating and dehydrating system arranged on the walking chassis, the drilling slag separating and dehydrating system is connected with the slurry processing system through a slurry discharge communicating port, and a slurry preparation system is arranged above the slurry processing system. The utility model discloses to bore the sediment and handle and combine together with mud recycle, integrate into and bore the sediment and handle the system, adjust the structure, take up an area of for a short time, it is convenient to remove, more is favorable to actual construction.

Description

Drilling slag treatment vehicle

Technical Field

The utility model relates to a bore sediment treatment vehicle mainly is applied to mud dado pore-forming (grooving), shield structure work progress bore sediment treatment vehicle.

Background

In the construction processes of shield construction, underground continuous walls, slurry retaining wall cast-in-situ bored piles and the like, slurry is required to be adopted for wall retaining or slurry-water balance construction. During construction, a large amount of viscous mud carrying the drilling slag or drilling slag mixed with the mud is generated, and the drilling slag and the mud are mostly in a plastic state or a fluid plastic state. A large number of mud pools need to be excavated for sedimentation treatment in a construction site, and then mud is separated. These treatment means are difficult to achieve an ideal solid-liquid separation state. If the drilling slag mud is directly buried, secondary pollution is caused. If the transportation and output site is treated in a centralized way, the problems of transportation, scattering, pollution, difficult supervision and the like exist. Therefore, the movable preparation equipment for treating the drilling slag and the slurry, which is simple to operate, is rapid and effective, and has practical significance.

SUMMERY OF THE UTILITY MODEL

Utility model purpose:

the utility model provides a bore sediment treatment vehicle can effectively handle the discarded object such as the sediment mud that bores that produces in the construction, can accomplish mud preparation work simultaneously again.

The technical scheme is as follows:

a drilling slag processing vehicle comprises a power vehicle head, a drilling slag conveying system is connected with a drilling slag separating and dehydrating system arranged on a walking chassis, the drilling slag separating and dehydrating system is connected with a slurry processing system through a slurry discharge communicating port, and a slurry preparation system is arranged above the slurry processing system.

Further, the power head drives the walking chassis, and the drilling slag conveying system, the drilling slag separating and dehydrating system, the slurry processing system and the slurry preparation system are arranged above the walking chassis; a protection system is arranged outside the drilling slag treatment vehicle, an integral protective cover is arranged above the walking chassis, a floor drain type scattering collecting pipe is also arranged on the walking chassis, and the scattering collecting pipe is connected with the slurry transfer box; when the capacity of the drilling slag processing vehicle is not enough to meet the use requirement, an expansion system and a plurality of detachable expansion mud tanks are additionally arranged; the expansion mud box is communicated with the mud discharge pump pipe and the mud discharge pump pipe through the connecting pump pipe.

Furthermore, when pumping is adopted, the lower end of a slurry drilling slag pump pipe of the drilling slag conveying system is connected with a pump pipe joint, and the upper end of the slurry drilling slag pump pipe is connected into the feed port of the rolling screening machine; when the drill slag is conveyed by adopting a screw conveyor, the tail part of the drill slag conveying system is provided with the screw conveyor, a discharge port of the screw conveyor is connected into the feed port of the rolling screening machine, and a slag receiving hopper is arranged at the upper part of the feed port of the screw conveyor; when the sliding feeding hopper is adopted, the tail part of the drilling slag conveying system is provided with a ground falling slideway, the sliding feeding hopper moves up and down along the ground falling slideway under the control of a winch, the sliding feeding hopper is provided with a sliding feeding hopper feeding hole and a sliding feeding hopper discharging hole, and the sliding feeding hopper discharging hole is provided with a vibrator.

Furthermore, a rolling screening machine of the drilling slag separation and dehydration system is obliquely arranged, the rolling screening machine is arranged above the slurry transit box, and the vibration dehydration machine is arranged between the rolling screening machine and the slurry transit box; the rolling screening machine is provided with a plurality of layers of screen cylinders, the plurality of layers of screen cylinders are all fixed on the rolling shaft, the obliquely arranged rolling shaft is higher at the feeding hole of the rolling screening machine than at the discharging hole of the rolling screening machine, and the rolling shaft at one side of the feeding hole of the rolling screening machine is provided with a rotary motor; the axial length of the inner layer screen drum is greater than that of the outer layer screen drum, the diameter of the screen holes of the inner layer screen drum is greater than that of the outer layer screen drum, the two ends of the innermost layer screen drum are not provided with screen holes, and the top of the rolling screening machine is provided with a water spraying pipe; the aperture of the vibration dehydrator is matched with the diameter of the sieve pore of the corresponding rolling sieving machine; the vibration dewaterer is respectively arranged on the lower part of the discharge hole of the inner layer screen drum, the lower part of the discharge hole of the outer layer screen drum and the lower part of the outer layer screen drum; the discharge ports of two adjacent vibrating dewaterers are arranged in opposite directions, and a semicircular material receiving hopper is arranged above each vibrating dewaterer; the upper part of the slurry transfer box is open, a plurality of rotating blades are arranged in the slurry transfer box, a slurry discharge port is arranged at the bottom of the slurry transfer box, and the slurry discharge port is connected with a slurry pump pipe and a transfer slurry pump; the mud box closing baffle is arranged at the opening of the mud transit box.

Furthermore, a rotational flow slag remover of the slurry treatment system is arranged at the upper part of the slurry storage box, a slurry inlet is connected with a slurry pump pipe connected with a slurry transfer box, an overflow port is connected with a slurry collecting pipe, a bottom flow port at the lower end of the rotational flow slag remover is provided with a vibration type dehydrator, slurry in the rotational flow slag remover is discharged from the overflow port and collected into the slurry collecting pipe, one end of the slurry collecting pipe is communicated with a water spray pipe above the rolling sieving machine, and the other end of the slurry collecting pipe is communicated with the slurry storage box; the inside of the slurry storage box is provided with a plurality of rotating blades, the bottom of the slurry storage box is provided with a slurry discharge port, and the slurry discharge port is communicated with a slurry discharge pump pipe and a slurry discharge pump; the powder storage bin of the slurry preparation system is arranged above the slurry storage box, and one or more powder storage bins are arranged.

The advantages and effects are as follows:

the utility model has the advantages of it is following and beneficial effect:

1. the utility model discloses can separate the dry processing with the brill sediment of various states fast effectively, be convenient for bore sediment transportation and later stage and use.

2. The utility model discloses the processing vehicle can handle the required mud of construction and purify, detach impurity in the mud, reduce the sand content.

3. The utility model discloses can stir preparation mud, adjust processing to the improper mud of index.

4. The utility model discloses transport convenience, easy operation, safety ring protect, practice thrift the cost.

5. The utility model discloses to bore the sediment and handle and combine together with mud recycle, integrate into and bore the sediment and handle the system, adjust the structure, take up an area of for a short time, it is convenient to remove, more is favorable to actual construction.

Drawings

FIG. 1 is a schematic view of a drilling slag handling vehicle in a pumped form;

FIG. 2 is a schematic view of a drill slag handling carriage in the form of a screw conveyor;

FIG. 3 is a schematic view of a drill slag handling carriage and expansion system in the form of a sliding upper hopper;

FIG. 4 is a cross-sectional view of a drill slag handling car;

fig. 5 is a schematic view of the operation of a drilling slag handling vehicle in the form of a sliding upper hopper.

Description of reference numerals:

1. a drilling slag conveying system; 1-1, a slurry drilling slag pump pipe; 1-2, a screw conveyor; 1-3, a slag receiving hopper; 1-4, sliding the feeding hopper; 1-5, sliding the feeding port of the feeding hopper; 1-6, sliding the discharge port of the feeding hopper; 1-7, a vibrator; 1-8, a floor slideway; 2. a drilling slag separation and dehydration system; 2-1, rolling a screening machine; 2-2, a feed inlet of a rolling sieving machine; 2-3, discharging a discharge port of a rolling sieving machine; 2-4, an inner screen drum; 2-5, an outer layer screen drum; 2-6, a rotary motor; 2-7, a roller; 2-8, a water spraying pipe; 2-9, vibrating a dehydrator; 2-10 parts of a semicircular receiving hopper; 2-11, a slurry transfer box; 2-12, rotating blades; 2-13, a slurry pump pipe; 2-14, transferring a slurry pump; 2-15, a closing baffle of the mud box; 3. a slurry treatment system; 3-1, a rotational flow slag remover; 3-2, a pulp inlet; 3-3, a pulp overflow port; 3-4, a bottom flow port; 3-5, a slurry collecting pipe; 3-6, a vibration type dehydrator; 3-7, a slurry storage box; 3-8, rotating blades; 3-9, discharging a slurry pump; 3-10, discharging the slurry out of the pump pipe; 4. a slurry preparation system; 4-1, powder storage bins; 4-2, a water supply pump pipe; 5. a protection system; 5-1, integral protective cover; 5-2; scattering collecting pipes; 6. a walking chassis; 7. expanding the system; 7-1, expanding a mud tank; 7-2, connecting a pump pipe.

Detailed Description

The invention will be further explained with reference to the drawings:

example 1

The embodiment aims at the treatment of drilling slag and slurry in the construction process of the reverse circulation cast-in-situ bored pile.

As shown in fig. 1, 2 and 3, the drilling slag processing vehicle comprises a power head, a drilling slag conveying system 1 is connected with a drilling slag separating and dehydrating system 2 arranged on a walking chassis 6, the drilling slag separating and dehydrating system 2 is connected with a slurry processing system 3 through a slurry discharge communicating port, and a slurry preparation system 4 is arranged above the slurry processing system 3.

The utility model discloses a power locomotive is current vehicle locomotive, and walking chassis 6 is connected at power locomotive rear, and power locomotive drives walking chassis 6, makes the drilling slag processing vehicle can remove at any time. The utility model discloses compare in current brill sediment processing system, further integrate the structure, take up an area of for a short time, can directly set up on-vehicle, solved for the brill sediment processing system that can't remove more in the job site more nimble, can adjust the position at any time as required to through boring sediment separation dewatering system 2, will bore sediment and mud separation, reach the purpose of reuse mud.

The existing drilling slag processing system is large in occupied area and cannot move flexibly, but the occupied area of the drilling slag processing vehicle is 3 meters by 15 meters and about 45 square meters, and each occupied area of the sludge box 7-1 needs to be expanded by about 3 meters by 6 meters and about 18 square meters.

The power head drives the walking chassis 6, and the drilling slag conveying system 1, the drilling slag separating and dehydrating system 2, the slurry processing system 3 and the slurry preparation system 4 are arranged above the walking chassis 6; a protection system 5 is arranged outside the drilling slag treatment vehicle, an integral protection cover 5-1 is arranged above the walking chassis 6, a floor drain type scattering collecting pipe 5-2 is also arranged on the walking chassis 6, and the scattering collecting pipe 5-2 is connected with a slurry transfer box 2-11; when the capacity of the drilling slag processing vehicle is not enough to meet the use requirement, an expansion system 7 and a plurality of detachable expansion mud tanks 7-1 are additionally arranged; the extended mud tank 7-1 is communicated with a mud discharge pump pipe 3-10 and a mud discharge pump pipe 3-10 through a connecting pump pipe 7-2. The left scattering collecting pipe 5-2 is an existing left scattering preventing device for a pumping concrete discharging pipe opening.

A plurality of pairs of tires are arranged below the walking chassis 6. The walking chassis can select the current truck chassis for use, and the current truck chassis bears weight greatly, can satisfy the requirement of weighing. The systems are arranged on a chassis of the truck, so that the system is convenient to walk and also convenient to utilize power generated by an engine of the truck. The drilling slag treatment system is arranged on the walking chassis 6, and is convenient to transport and transfer. And a protection system 5 is integrally arranged behind the drilling slag processing vehicle. A sound insulation layer is arranged in the integral protective cover 5-1, so that noise pollution caused by the outward dispersion of the working noise of each system is prevented. The whole protective cover 5-1 is provided with an opening at one side of the upper end surface, the opening is arranged corresponding to the upper end feed inlet of the internal powder storage bin 4-1, and the rear end panel of the whole vehicle body is arranged to be detachable or provided with a valve.

If the detachable upper end plate is adopted, the rear end plate is generally detached when the drilling slag is treated, and when the sliding upper hopper 1-4 is adopted, the rear end plate is detached, so that the sliding upper hopper 1-4 can move up and down conveniently, and meanwhile, an opening is also formed in the tail part corresponding to the upper end surface, so that the sliding upper hopper 1-4 can be matched, and the upper end of the spiral conveyor 1-2 can be matched to be connected with the rolling screening machine 2-1. The side surface of the integral protective cover 5-1 is provided with a valve at the position of a slag discharge port of the vibration dehydrator 2-9, so that the drill slag is conveniently separated and dehydrated and discharged outside. If the tail part of the integral protective cover 5-1 is provided with a valve, the feeding hopper 1-4 can be conveniently slid to transfer the drilling slag up and down.

The bottom of the drilling slag treatment vehicle is provided with a plurality of floor drain type scattering and collecting pipes 5-2, and the collected sewage is pumped to a mud transfer box 2-11. The integral protective cover 5-1 can ensure that sewage does not flow outwards, noise does not spread, dust does not spread and the internal structure is not corroded when each system works.

When the capacities of the mud transfer boxes 2-11 and the mud storage boxes 3-7 in the drilling slag processing vehicle are not enough to meet the use requirement, the expansion system 7 can be added on the outside. The expansion system 7 is mainly composed of a plurality of detachable mud tanks, and the bottoms of the mud tanks are connected in series by connecting pipelines. When the expansion system 7 is used, the slurry discharging pipe at the bottom of the slurry storage box 3-7 is connected to the connecting pipeline at the bottom of the expansion slurry box 7-1 of the expansion system 7 in series, and meanwhile, the slurry suction pipe connector of the external discharge slurry pump is also connected to the bottom of the expansion slurry box, so that the expansion system is used in series.

Various mud case suitable for reading all install inside binding off baffle, can reduce mud excessive when mud incasement rotation, pollution abatement. As shown in fig. 4, the closing-in baffles 2-15 of the mud tank are inward folded closing-in.

The drilling slag conveying system 1 mainly adopts different forms to convey drilling slag in different states:

as shown in fig. 1, pumping may be used for the entrained fluid drilling mud, such as reverse circulation drilling mud. When pumping is adopted, the lower end of a slurry drilling slag pump pipe 1-1 of the drilling slag conveying system 1 is connected with a pump pipe joint, and the upper end of the slurry drilling slag pump pipe 1-1 is connected into the interior of a feed port 2-2 of a rolling screening machine.

As shown in FIG. 2, the drilling slag in the fluid plastic state can be conveyed in the form of a screw conveyor, such as shield tunneling drilling slag, impact pore-forming drilling slag and the like. When the screw conveyor 1-2 is adopted for conveying, the screw conveyor 1-2 is arranged at the tail part of the drilling slag conveying system 1, a discharge hole of the screw conveyor 1-2 is connected into the interior of a feed inlet 2-2 of a rolling screening machine, and a slag receiving hopper 1-3 is arranged at the upper part of the feed inlet of the screw conveyor 1-2; the existing screw conveyor 1-2 is in the form of a closed conveying pipe. And (3) pouring the drilling slag into a slag receiving hopper, then feeding the drilling slag into a feed inlet of a screw conveyer 1-2, starting the screw conveyer 1-2, and driving the drilling slag to be transferred to a rolling screening machine 2-1 by the rotation of a helical blade.

The slag receiving hopper 1-3 is of a funnel-shaped structure, and the upper end of the slag receiving hopper is communicated with a feed inlet of a screw conveyer 1-2 of the existing equipment. In order to prevent the slag receiving hopper 1-3 from inclining, a fixed seat is also arranged below the slag receiving hopper 1-3, the slag receiving hopper 1-3 is stabilized in a state of being communicated with the feed inlet of the screw conveyor 1-2, and the fixed seat only needs to adopt a conventional fixing device. The screw conveyors 1-2 may be existing ones such as LS/GX series screw conveyors of the heonan boway mechanical equipment manufacturing ltd.

As shown in fig. 3 and 5, the plastic or solid drilling slag can be transported in a vehicle-mounted manner, and then transported in a sliding feeding hopper manner, such as rotary drilling hole drilling slag, drilling slag of an underground wall trenching machine, and the like. When the sliding feeding hoppers 1-4 are adopted, the tail parts of the drilling slag conveying system 1 are provided with floor slideways 1-8, the sliding feeding hoppers 1-4 move up and down along the floor slideways 1-8 under the control of a winch, the sliding feeding hoppers 1-4 are provided with feeding ports 1-5 of the sliding feeding hoppers and discharging ports 1-6 of the sliding feeding hoppers, and the discharging ports 1-6 of the sliding feeding hoppers are provided with vibrators 1-7.

One end of an existing floor slide 1-8 is in contact with the ground, the other end of the existing floor slide is close to the upper end of a rolling screening machine 2-1, a winch control sliding feeding hopper 1-4 is arranged at the upper end of the rolling screening machine 2-1, as shown in figures 3 and 5, the sliding feeding hopper 1-4 is in a step shape, a sliding feeding hopper feeding port 1-5 is arranged at the left side, a sliding feeding hopper discharging port 1-6 is arranged at the upper end of the right side, a vibrator 1-7 is fixed on the right side face, a sliding wheel matched with the floor slide 1-8 is further arranged, the slide and the pulley are common components, when the upper end is reached, the sliding wheel leaves the slide, the sliding feeding hopper discharging port 1-6 is adjacent to the feeding port 2-2 of the rolling screening machine.

The utility model discloses according to the state of boring the sediment, can adopt above-mentioned three kinds of states, its simple structure, it is convenient to carry, is favorable to follow-up boring sediment separation dewatering system 2 to bore sediment and mud separation. Wherein, the pumping form is directly arranged at the tail part of the vehicle, the screw conveyor 1-2 and the slag receiving hopper 1-3 are detachable and are arranged at the tail part of the vehicle body when needed. The sliding feeding hoppers 1-4, the vibrators 1-7 and the floor slideways 1-8 are detachably arranged and can be quickly installed and used when needed.

A rolling screening machine 2-1 of the drilling slag separation and dehydration system 2 is obliquely arranged, the rolling screening machine 2-1 is arranged above a slurry transit box 2-11, and a vibration dehydration machine 2-9 is arranged between the rolling screening machine 2-1 and the slurry transit box 2-11; the rolling screening machine 2-1 is provided with a plurality of layers of screen cylinders which are all fixed on rollers 2-7, the obliquely arranged rollers 2-7 are higher at a feeding port 2-2 of the rolling screening machine than at a discharging port 2-3 of the rolling screening machine, and the rollers 2-7 at one side of the feeding port 2-2 of the rolling screening machine are provided with the existing rotary motors 2-6; the axial length of the inner layer screen cylinder is greater than that of the outer layer screen cylinder, the diameter of the screen holes of the inner layer screen cylinder is greater than that of the outer layer screen cylinder, the two ends of the innermost layer screen cylinder are not provided with screen holes, and the top of the rolling screening machine 2-1 is provided with a water spraying pipe 2-8; the aperture of the vibration dehydrator 2-9 is matched with the diameter of the corresponding sieve pore of the rolling sieving machine 2-1; the vibrating dehydrator 2-9 is respectively arranged at the lower part of the discharge hole of the inner layer screen drum 2-4, the lower part of the discharge hole of the outer layer screen drum 2-5 and the lower part of the outer layer screen drum 2-5; the discharge ports of two adjacent vibrating dewaterers 2-9 are arranged in reverse directions, and a semicircular material receiving hopper 2-10 is arranged above each vibrating dewaterer 2-9; the upper part of the slurry transfer box 2-11 is open, a plurality of rotating blades 2-12 are arranged in the slurry transfer box, the bottom of the slurry transfer box 2-11 is provided with a slurry discharge port, and the slurry discharge port is connected with a slurry pump pipe 2-13 and a transfer slurry pump 2-14; the closing baffle 2-15 of the mud box is arranged at the opening of the mud transit box 2-11.

As shown in figure 4, the closing-in baffle plates 2-15 of the mud box are closed inwards, the bent folded plates are arranged, the mud in the mud transfer box 2-11 is driven to rotate by the rotation of the rotating blades 2-12, the closing-in baffle plates are used for preventing the mud from overflowing out during rotation, and the mud is controlled to be stored and shielded in the mud box to avoid scattering due to the shielding of the closing-in baffle plates. The upper part of the slurry transit box 2-11 is opened, and when the rotating blades 2-12 rotate, if dust is generated, water can be sprayed through the water spraying pipes 2-8, so that the dust is reduced.

As shown in figure 1, the drilling slag separating and dewatering system 2 comprises a rolling screening machine 2-1, a vibrating dewatering machine 2-9 and a mud transfer box 2-11. The rolling screening machine 2-1 is obliquely arranged and is arranged at the upper part of the slurry transit box 2-11, the upper end of the rolling screening machine 2-1 is provided with a feeding hole 2-2 of the rolling screening machine, and the lower end is provided with a discharging hole 2-3 of the rolling screening machine. The diameter of the sieve holes of the inner layer sieve cylinder 2-4 is the largest and the length is the longest, and the two ends of the inner layer sieve cylinder 2-4 are dead cylinders without sieve holes. The diameter of the screen holes of the outer screen drum 2-5 is slightly smaller, and the length is also slightly shorter. The diameter of the sieve holes of the integral rolling sieving machine 2-1 is gradually reduced from inside to outside, so that the drilling slag can be sieved layer by layer.

The screen meshes of the inner layer screen drum 2-4 and the outer layer screen drum 2-5 are all fixed-aperture screen meshes and are arranged on the screen drum framework. The screen drum framework is fixed on the upper end face of the slurry transit box 2-11, the rolling screening machine 2-1 is fixed, the screen drum framework is also obliquely arranged, and the rolling screening machine 2-1 is fixed so that one side of a feeding hole is higher than a discharging hole.

The number of layers of the screen drum and the diameter of the screen holes can be adjusted and installed with screen meshes with different apertures according to geological conditions of different construction areas. The top of the rolling screening machine 2-1 is provided with a water spraying pipe 2-8, and when the rolling screening machine 2-1 rotates, water or pure slurry is sprayed onto the screen cylinder to dilute the drilling slag and clean sludge on the surface of large-particle drilling slag.

Each layer of screen drum of the rolling screening machine 2-1 is fixed through fixing connecting plates arranged at two ends, supporting rods are arranged on two end faces of the inner layer screen drum and used for connecting the rolling shafts 2-7 and the inner layer screen drum 2-4, and the supporting rods ensure that the relative positions between the inner layer screen drum 2-4 and the rolling shafts 2-7 cannot be changed and ensure the rolling fluency.

The vibrating dewaterer 2-9 is arranged between the rolling sieving machine 2-1 and the slurry transit box 2-11, the vibrating dewaterer in different positions has different apertures, and the apertures of the vibrating dewaterer are matched with the diameters of sieve holes of the rolling sieving machine. The vibration dewaterer 2-9 is respectively arranged on the lower part of the discharge hole of the inner layer screen drum, the lower part of the discharge hole of the outer layer screen drum and the lower part of the screen hole of the outer layer screen drum. Two adjacent vibration hydroextractor discharge gates opposite direction places, generally places in the left and right sides of automobile body, avoids the drilling slag of the different particle diameters after the screening to mix together once more. In order to prevent drilling slag from leaking to the slurry transfer boxes 2-11, each vibration dehydrator is provided with a semicircular material receiving hopper 2-10. One end of the semicircular material receiving hopper 2-10 is arranged at the top of the vibration dehydrator, the cantilever at the other end is arranged at the lower part of the outer layer screen drum, and drilling slag which leaks through the outer layer screen drum can be completely collected to the vibration dehydrator.

The slurry transfer box 2-11 is arranged below the vibration dewatering machine 2-9, the upper part of the slurry transfer box 2-11 is open, and the drilling slag and the slurry with special fine particles which leak through the rolling screening machine 2-1 and the vibration dewatering machine 2-9 are collected in the slurry transfer box 2-11. A plurality of rotating blades 2-11 are arranged in the slurry transfer box 2-11 to drive the slurry in the slurry transfer box 2-11 to rotate, so that the slurry is prevented from being segregated and precipitated. The bottom of the slurry transfer box 2-11 is provided with a slurry discharge port, the slurry discharge port is connected with a slurry pump pipe 2-13 and a transfer slurry pump 2-14, and slurry in the box can be pumped out to an adjacent slurry treatment system 3.

The structures of the rotating blades 2-12 and the rotating blades 3-8 are the same, a plurality of rotating blades 2-12 are circumferentially and uniformly arranged on the rotating shaft, and the upper end surface of the slurry transit box 2-11 is provided with a rotating motor for driving the rotating shaft to drive the rotating blades 2-12 to rotate, which is similar to a fan structure with blades.

A rotational flow slag remover 3-1 of the slurry treatment system 3 is arranged at the upper part of a slurry storage box 3-7, a slurry inlet 3-2 of the rotational flow slag remover 3-1 is connected with a slurry pump pipe 2-13 connected with a slurry transfer box 2-11, an overflow port 3-3 is connected with a slurry collecting pipe 3-5, a vibration type dehydrator 3-6 is arranged at a bottom flow port 3-4 at the lower end of the rotational flow slag remover 3-1, slurry in the rotational flow slag remover 3-1 is discharged from the overflow port 3-3 and collected into the slurry collecting pipe 3-5, one end of the slurry collecting pipe 3-5 is communicated with a water spray pipe 2-8 above the rolling screening machine 2-1, and the other end of the slurry collecting pipe 3-5 is communicated with the slurry storage box 3-7; a plurality of rotating blades 3-8 are arranged in the slurry storage box 3-7 to drive slurry in the box to rotate, so that segregation and precipitation are avoided. The bottom of the slurry storage box 3-7 is provided with a slurry discharge port which is communicated with a slurry discharge pump pipe 3-10 and a discharge slurry pump 3-9; the powder storage bin 4-1 of the slurry preparation system 4 is arranged above the slurry storage box 3-7, and one or more powder storage bins 4-1 are arranged.

The top of the powder storage bin 4-1 is provided with a feeding hole, the bottom of the powder storage bin is provided with a discharging hole, the powder in the bin can be directly filled into the slurry storage bin 3-7 through the discharging hole, and the slurry can be prepared by stirring after the water is added.

The mud treatment system 3 comprises a rotational flow slag remover 3-1, a mud collecting pipe 3-5, a vibration type dehydrator 3-6, a mud storage box 3-7 and a discharge mud pump 3-9. The rotational flow slag remover 3-1 is arranged at the upper part of the slurry storage box 3-7, and after the slurry is wrapped with fine drilling slag and enters the rotational flow slag remover 3-1, the fine drilling slag is discharged from the underflow port 3-4 and falls into the vibrating dehydrator 3-6, and is discharged out of the drilling slag processing vehicle after being dehydrated by vibration. The bottom of the mud storage box 3-7 is provided with a mud discharge port, and the mud discharge port is connected with a mud discharge pump pipe 3-10 and a discharge mud pump 3-9, so that mud in the box can be pumped out to a use part.

The powder storage bin 4-1 is arranged at the upper part of the slurry storage box 3-7, and the powder storage bin 4-1 can be provided with a plurality of sub-bins which can respectively store different slurry and powder. The top is provided with a filling port, and the bottom is provided with an automatic metering discharge port. The discharge port is opposite to the mud storage tank 3-7. An automatic detection system for the slurry in the slurry storage tank 3-7 monitors slurry indexes at any time, when the indexes do not meet requirements, the powder storage bin 4-1 and the water supply pump are automatically started, different powder is filled into the slurry storage tank 3-7, and the qualified slurry is prepared under the action of rotating and mixing of the rotating blades 3-8. And an outer discharge mud pipe and an outer discharge mud pump are arranged at the bottom of the mud storage tank 3-7, and qualified mud in the tank can be pumped to a specified position. The external discharge mud pump is provided with two mud suction interfaces, one is butted with an external discharge mud pipe at the bottom of the mud storage box 3-7, the other is butted with a mud discharge port at the bottom of the extended mud box 7-1, and the two interfaces can be switched to be opened and closed optionally according to conditions.

The automatic detection system is an existing detection system and detects mud indexes at any time by utilizing an existing mud hydrometer. The automatic detection system can also be adjusted by manually monitoring and starting the powder storage bin 4-1 and the water supply pump when the requirements are not met. The mud hydrometer can be DX.51-ANB-1 manufactured by Beijing Zhuochuan electronic technology, Inc. The automatic detection system is connected with the mud hydrometer, and the data input of mud hydrometer test is compared with the mud proportion that sets for in advance among the automatic detection system in the automatic detection system, if unsatisfied the requirement then remind operating personnel to adjust through powder storage storehouse or working shaft.

The drilling slag treatment vehicle adopts a truck chassis to realize independent walking, and is parked at a proper position according to the actual situation of a reverse circulation drilling construction site. And an expansion system 7 is arranged according to the slurry required by reverse circulation drilling construction, and expansion slurry tanks 7-1 are connected in series with each other by connecting pump pipes 7-2 and are communicated with a drilling slag slurry processing vehicle. The reverse circulation slurry discharge pump pipe and the slurry drilling slag pump pipe 1-1 are communicated, a water supply source is communicated, and the powder storage bin 4-1 is filled with slurry powder.

The utility model discloses concrete drilling slag construction method, this method includes: starting a slurry preparation system 4 to prepare qualified slurry, supplying the qualified slurry to the drill hole, and simultaneously starting a reverse circulation drilling machine to drill; in the drilling process of the reverse circulation drilling machine, the drilling slag and the slurry in the drill hole are sucked out together and pass through a drilling slag conveying system 1 to a drilling slag separating and dehydrating system 2; the drilling slag is separated from the slurry by the drilling slag separation and dehydration system 2, the separated fine drilling slag and slurry are conveyed to the slurry treatment system 3, the fine drilling slag is separated to obtain pure slurry, and the pure slurry is conveyed into the drill hole again for use.

The specific process for preparing the qualified slurry comprises the following steps:

and (3) starting the slurry preparation system 4, filling clear water into the water supply pump pipe 4-2 after the slurry preparation system is normally operated, and filling slurry powder according to requirements to prepare qualified slurry. In the process, an operator is required to monitor indexes of the slurry, the slurry is adjusted according to monitoring data until the slurry requirement is met, and then a valve of the water supply pump pipe 4-2 is closed.

Qualified mud is stored in the mud storage box 3-7 and can be communicated with an expansion mud box 7-1 which is additionally arranged if expansion is needed; after the quantity of prepared mud meets the construction requirement, starting a discharge mud pump 3-9, supplying qualified mud into the drilled hole, and simultaneously starting a reverse circulation drilling machine for drilling; in the drilling process of the reverse circulation drilling machine, the drilling slag and the slurry in the drill hole are sucked out together and conveyed to a rolling screening machine 2-1 of a drilling slag processing vehicle.

The drilling slag conveying system 1 adopts different forms to convey the drilling slag in different states: pumping the slurry-wrapped fluid drilling slag, connecting a pump pipe joint at the lower end of a slurry drilling slag pump pipe 1-1 to a slurry discharge pipe of a reverse circulation drilling machine, starting a slurry discharge pump when the slurry drilling slag pump pipe is used, and conveying the slurry-wrapped drilling slag to a rolling screening machine 2-1 through the slurry drilling slag pump pipe 1-1; conveying the drilling slag in a flow plastic state in a spiral conveyor 1-2 mode, arranging the spiral conveyor 1-2 at the tail of the drilling slag processing vehicle, pouring the drilling slag into a slag receiving hopper 1-3, then feeding the drilling slag into a feed inlet of the spiral conveyor 1-2, starting the spiral conveyor 1-2, and driving the drilling slag to be conveyed to a rolling screening machine 2-1 by the rotation of a spiral blade; the plastic or solid drilling slag is transported in a vehicle-mounted mode, a sliding feeding hopper 1-4 is used for conveying, a floor slideway 1-8 is arranged at the tail of the drilling slag processing vehicle, and the sliding feeding hopper 1-4 moves up and down along the floor slideway 1-8 under the control of a winch; the upper part of the sliding feeding hopper 1-4 is provided with a feeding port 1-5 of the sliding feeding hopper, and the plastic or solid drilling slag is directly discharged to the sliding feeding hopper 1-4 through the feeding port 1-5 of the sliding feeding hopper by utilizing a transport vehicle; the sliding upper hopper 1-4 moves upwards to the top of the slideway, then the sliding upper hopper 1-4 turns over, and the drilling slag enters the rolling screening machine 2-1 along the discharge port 1-6 of the sliding upper hopper; a vibrator 1-7 is installed at a discharge port 1-6 of the sliding feeding hopper, and if the drilling slag is blocked and cannot fall freely, the vibrator 1-7 of the existing equipment is started to promote the drilling slag to fall.

The separation and dehydration of the drilling slag specifically comprises the following steps: the drilling slag and the slurry enter a rolling screening machine 2-1, the rolling screening machine 2-1 starts to rotate, a water spraying pipe 2-8 at the upper part of the rolling screening machine 2-1 sprays clean water or the slurry after purification treatment to the rolling screening machine 2-1, so that the drilling slag is diluted, and the rolling screening machine 2-1 rotates to stir and wash away attachments on the surface of the drilling slag; the drilling slag rolls and slides downwards along the inner wall of the inner layer screen drum 2-4 of the rolling screening machine 2-1, the drilling slag with larger grain diameter cannot leak through the inner layer screen drum 2-4, and then rolls along the inner wall of the inner layer screen drum 2-4 continuously, finally rolls out from the lower end of the inner layer screen drum 2-4 and falls into a large-aperture vibration dewatering machine, and the drilling slag with larger grain diameter is discharged after vibration dewatering; the drilling slag with medium particle size leaks through the inner layer screen drum 2-4 in the rolling process, continuously rolls along the inner wall of the outer layer screen drum 2-5, but cannot leak, finally rolls out from the lower end of the outer layer screen drum 2-5, falls into the medium-aperture vibration dehydrator, and is discharged after vibration dehydration; and drilling slag with small particle size continuously leaks through the inner layer screen drum 2-4 and the outer layer screen drum 2-5 in the rolling process, directly falls into the small-aperture vibration dehydrator, and is discharged after being subjected to vibration dehydration and smaller particle size.

The setting of the aperture is determined according to different particle sizes of different geological conditions of different drilling constructions, and is changed data. Roughly classified into: the large aperture is about 200mm to 20mm, the medium aperture is about 20mm to 2mm, and the very small aperture is about 2mm or less.

Particularly fine drilling slag and slurry continuously leak through the inner layer screen cylinder 2-4, the outer layer screen cylinder 2-5 and the vibration dehydrator 2-9 in the process of rolling and falling, and fall into the slurry transfer box 2-11 at the lower part; the drilling slag discharged from the drilling slag separating and dehydrating system 2 is respectively discharged from the drilling slag processing vehicle according to different particle size grades and respectively accumulated beside the drilling slag through the processes of screening, washing and vibrating dehydration;

after the mud wraps and carries the fine drilling slag to enter the mud transfer box 2-11, the mud is driven by the rotating blades 2-12 to continuously rotate in the mud transfer box 2-11, and the rotating mud wraps and carries the fine drilling slag to pass through a mud discharge port at the bottom of the mud transfer box 2-11 and is pumped to a mud treatment system 3 by a transfer mud pump 2-14.

The specific steps of the slurry treatment system 3 include: when slurry and fine drilling slag enter a slurry treatment system 3, the slurry and the fine drilling slag firstly enter a cyclone slag remover 3-1 at the upper part of a slurry storage box 3-7, and the cyclone slag remover 3-1 is separated by the action of centrifugal force; the mixed liquid of the mud and the fine drilling slag tangentially enters a rotational flow slag remover 3-1 through a transfer mud pump 2-14, and a high-speed rotating flow field is generated in a cylindrical cavity of the rotational flow slag remover 3-1; fine drill slag with high density in the mixed solution simultaneously moves downwards along the axial direction under the action of the rotational flow field, moves outwards along the radial direction, moves downwards along the wall of the cone section when reaching the cone section, is discharged from a bottom flow port 3-4, falls into a vibrating dehydrator 3-6 with a fine aperture, and is discharged through vibration dehydration; pure mud moves towards the direction of the central axis, an inner vortex moving upwards is formed in the center of the axis, and then the pure mud is discharged from a mud overflow port 3-3 of a rotational flow slag remover 3-1 and enters a mud collecting pipe 3-5; one end of the mud collecting pipe 3-5 is connected to a water spraying pipe 2-8 on the upper part of the rolling sieving machine 2-1, and pure mud is provided for the rolling sieving machine to dilute and clean the drilling slag; the other end of the mud collecting pipe 3-5 is connected to a mud storage box 3-7 at the lower part, and the treated mud is conveyed to the mud storage box 3-7 for storage; the mud storage box 3-7 is internally provided with rotating blades 3-8 to drive the mud to rotate, so that the sedimentation is avoided; the mud treated by the mud treatment system 3, in which the sand content is greatly reduced, is pumped into the borehole again for use. The thickness of the sediment at the bottom of the hole can be greatly reduced by using the treated slurry, and the pile forming quality of the cast-in-situ bored pile is improved.

An automatic detection system is arranged in the slurry storage tank 3-7 to monitor slurry indexes at any time, when the indexes do not meet requirements, the powder storage bin 4-1 is opened, different powders are filled into the slurry storage tank, and the qualified slurry is prepared under the action of rotating and mixing the rotating blades 3-8. The prepared qualified mud can be directly discharged into the extended mud box 7-1 and pumped into the drill hole. The drilling slag is discharged by drilling, the screening and dehydration treatment, the slurry purification treatment and the preparation work can be realized by repeating the steps, and the full-mechanized treatment of the drilling slag and the slurry is realized.

Claims

1. The utility model provides a bore sediment treatment car, includes power locomotive, its characterized in that: the drilling slag conveying system (1) is connected with a drilling slag separating and dehydrating system (2) arranged on the walking chassis (6), the drilling slag separating and dehydrating system (2) is connected with the slurry processing system (3) through a slurry discharge communicating port, and a slurry preparation system (4) is arranged above the slurry processing system (3).

2. The drill slag handling carriage of claim 1, wherein: the power head drives the walking chassis (6), and the drilling slag conveying system (1), the drilling slag separating and dehydrating system (2), the slurry processing system (3) and the slurry preparation system (4) are arranged above the walking chassis (6); a protection system (5) is arranged outside the drilling slag treatment vehicle, an integral protective cover (5-1) is arranged above the walking chassis (6), a floor drain type scattering collecting pipe (5-2) is also arranged on the walking chassis (6), and the scattering collecting pipe (5-2) is connected with a slurry transit box (2-11);

when the capacity of the drilling slag processing vehicle is not enough to meet the use requirement, an expansion system (7) and a plurality of detachable expansion mud tanks (7-1) are additionally arranged; the extended mud box (7-1) is communicated with the mud discharge pump pipe (3-10) and the mud discharge pump pipe (3-10) through a connecting pump pipe (7-2).

3. The drill slag handling carriage of claim 1, wherein: when pumping is adopted, the lower end of a slurry drilling slag pump pipe (1-1) of a drilling slag conveying system (1) is connected with a pump pipe joint, and the upper end of the slurry drilling slag pump pipe (1-1) is connected into the interior of a feed port (2-2) of a rolling screening machine; when the drilling slag conveying system is conveyed by adopting the screw conveyor (1-2), the tail part of the drilling slag conveying system (1) is provided with the screw conveyor (1-2), a discharge hole of the screw conveyor (1-2) is connected into the interior of a feed hole (2-2) of the rolling screening machine, and the upper part of the feed hole of the screw conveyor (1-2) is provided with a slag receiving hopper (1-3); when the sliding feeding hopper (1-4) is adopted, the tail part of the drilling slag conveying system (1) is provided with a floor slideway (1-8), the sliding feeding hopper (1-4) moves up and down along the floor slideway (1-8) under the control of a winch, the sliding feeding hopper (1-4) is provided with a sliding feeding hopper feeding port (1-5) and a sliding feeding hopper discharging port (1-6), and the sliding feeding hopper discharging port (1-6) is provided with a vibrator (1-7).

4. The drill slag handling carriage of claim 1, wherein: a rolling screening machine (2-1) of the drilling slag separation and dehydration system (2) is obliquely arranged, the rolling screening machine (2-1) is arranged above a slurry transit box (2-11), and a vibration dehydration machine (2-9) is arranged between the rolling screening machine (2-1) and the slurry transit box (2-11);

the rolling screening machine (2-1) is provided with a plurality of layers of screen cylinders, the plurality of layers of screen cylinders are all fixed on rollers (2-7), the rollers (2-7) which are obliquely arranged are higher than a discharge port (2-3) of the rolling screening machine at a feed port (2-2) of the rolling screening machine, and rotary motors (2-6) are arranged on the rollers (2-7) at one side of the feed port (2-2) of the rolling screening machine; the axial length of the inner layer screen cylinder (2-4) is greater than that of the outer layer screen cylinder (2-5), the diameter of the screen hole of the inner layer screen cylinder (2-4) is greater than that of the outer layer screen cylinder (2-5), the two ends of the innermost layer screen cylinder are not provided with screen holes, and the top of the rolling screening machine (2-1) is provided with a water spray pipe (2-8); the aperture of the vibration dehydrator (2-9) is matched with the diameter of the sieve pore of the corresponding rolling sieving machine (2-1); the vibrating dehydrator (2-9) is respectively arranged at the lower part of the discharge hole of the inner layer screen cylinder (2-4), the lower part of the discharge hole of the outer layer screen cylinder (2-5) and the lower part of the outer layer screen cylinder (2-5); the discharge ports of two adjacent vibrating dewaterers (2-9) are arranged in opposite directions, and a semicircular material receiving hopper (2-10) is arranged above each vibrating dewaterer (2-9); the upper part of the slurry transfer box (2-11) is open, a plurality of rotating blades (2-12) are arranged in the slurry transfer box, the bottom of the slurry transfer box (2-11) is provided with a slurry discharge port, and the slurry discharge port is connected with a slurry pump pipe (2-13) and a transfer slurry pump (2-14); the closing baffle (2-15) of the mud box is arranged at the opening of the mud transit box (2-11).

5. The drill slag handling carriage of claim 1, wherein: a rotational flow slag remover (3-1) of the slurry treatment system (3) is arranged at the upper part of a slurry storage box (3-7), a slurry inlet (3-2) is connected with a slurry pump pipe (2-13) connected with a slurry transfer box (2-11), an overflow port (3-3) is connected with a slurry collecting pipe (3-5), a vibration type dehydrator (3-6) is arranged at a bottom flow port (3-4) at the lower end of the rotational flow slag remover (3-1), the slurry in the rotational flow slag remover (3-1) is discharged from the overflow port (3-3) and collected into the slurry collecting pipe (3-5), one end of the slurry collecting pipe (3-5) is communicated with a water spraying pipe (2-8) above the rolling sieving machine (2-1), and the other end of the slurry collecting pipe (3-5) is communicated with a slurry storage box (3-7); a plurality of rotating blades (3-8) are arranged in the mud storage box (3-7), a mud discharge port is arranged at the bottom of the mud storage box (3-7), and the mud discharge port is communicated with a mud discharge pump pipe (3-10) and a discharge mud pump (3-9); the powder storage bin (4-1) of the slurry preparation system (4) is arranged above the slurry storage bin (3-7), and one or more powder storage bins (4-1) are arranged.