CN111636835B - Drill slag treatment vehicle and drill slag construction method - Google Patents
Drill slag treatment vehicle and drill slag construction method Download PDFInfo
- Publication number
- CN111636835B CN111636835B CN202010542431.6A CN202010542431A CN111636835B CN 111636835 B CN111636835 B CN 111636835B CN 202010542431 A CN202010542431 A CN 202010542431A CN 111636835 B CN111636835 B CN 111636835B
- Authority
- CN
- China
- Prior art keywords
- slurry
- slag
- mud
- drilling
- drill
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000002893 slag Substances 0.000 title claims abstract description 310
- 238000011282 treatment Methods 0.000 title claims abstract description 84
- 238000010276 construction Methods 0.000 title claims abstract description 31
- 239000002002 slurry Substances 0.000 claims abstract description 249
- 238000005553 drilling Methods 0.000 claims abstract description 209
- 230000018044 dehydration Effects 0.000 claims abstract description 41
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 41
- 238000007599 discharging Methods 0.000 claims abstract description 29
- 238000000926 separation method Methods 0.000 claims abstract description 27
- 238000002360 preparation method Methods 0.000 claims abstract description 23
- 230000003137 locomotive effect Effects 0.000 claims abstract description 6
- 238000004891 communication Methods 0.000 claims abstract description 4
- 238000005096 rolling process Methods 0.000 claims description 115
- 238000003860 storage Methods 0.000 claims description 64
- 238000012546 transfer Methods 0.000 claims description 64
- 238000012216 screening Methods 0.000 claims description 56
- 238000007873 sieving Methods 0.000 claims description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 32
- 239000000843 powder Substances 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 22
- 238000005507 spraying Methods 0.000 claims description 15
- 238000005086 pumping Methods 0.000 claims description 13
- 239000002245 particle Substances 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 7
- 238000001556 precipitation Methods 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 239000004576 sand Substances 0.000 claims description 4
- 230000004323 axial length Effects 0.000 claims description 3
- 238000011049 filling Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000011259 mixed solution Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims 1
- 238000010790 dilution Methods 0.000 claims 1
- 239000012895 dilution Substances 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- 238000004064 recycling Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 description 5
- 239000000428 dust Substances 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000005204 segregation Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/06—Arrangements for treating drilling fluids outside the borehole
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/06—Arrangements for treating drilling fluids outside the borehole
- E21B21/063—Arrangements for treating drilling fluids outside the borehole by separating components
- E21B21/065—Separating solids from drilling fluids
- E21B21/066—Separating solids from drilling fluids with further treatment of the solids, e.g. for disposal
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Transportation (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention relates to a drilling slag treatment vehicle, and mainly relates to a drilling slag treatment vehicle and a drilling slag construction method. The processing vehicle comprises a locomotive, a drilling slag conveying system is connected with a drilling slag separation and dehydration system arranged on the walking chassis, the drilling slag separation and dehydration system is connected with a mud processing system through a mud discharging communication port, and a mud preparation system is arranged above the mud processing system. When the drilling machine is used for drilling construction, a mud preparation system is started, qualified mud is supplied into a drilled hole, and drilling slag and circulating mud in different states are conveyed to a drilling slag separation dehydration system through a drilling slag conveying system; firstly, separating drill slag from slurry, conveying the slurry to a slurry treatment system, separating fine drill slag to obtain pure slurry, and conveying the pure slurry into a drilled hole again for use. The invention combines drill slag treatment and slurry recycling, integrates a drill slag treatment system, adjusts the structure, occupies small area, is convenient to move and is more beneficial to actual construction.
Description
Technical Field
The invention relates to a drilling slag treatment vehicle which is mainly applied to a drilling slag treatment vehicle for forming holes (forming grooves) on a mud retaining wall and a shield construction process and a drilling slag construction method.
Background
In the construction processes of shield construction, underground continuous wall, slurry wall protection cast-in-situ bored pile and the like, slurry is required to be adopted for wall protection or slurry balance construction. During construction, a large amount of viscous slurry or slurry mixed with the slurry is produced, and most of the slurry and the slurry are in a plastic state or a flowing plastic state. A large number of mud ponds are excavated on a construction site for sedimentation treatment, and mud is separated. These treatments hardly achieve an ideal solid-liquid separation state. If the drilling slag slurry is directly buried, secondary pollution is caused. If the transportation and output sites are treated in a centralized way, the problems of pollution and difficult supervision of transportation and scattering exist. Therefore, the invention has practical significance in that the equipment can move, is simple to operate, and can rapidly and effectively treat the drilling slag slurry.
Disclosure of Invention
The invention aims to:
the invention provides a drilling slag treatment vehicle which can effectively treat wastes such as drilling slag slurry and the like generated in construction and can finish slurry preparation work.
The technical scheme is as follows:
The drill slag treatment vehicle comprises a locomotive, a drill slag conveying system is connected with a drill slag separation and dehydration system arranged on a traveling chassis, the drill slag separation and dehydration system is connected with a mud treatment system through a slurry discharge communication port, and a mud preparation system is arranged above the mud treatment system.
Further, the locomotive drives the walking chassis, and the drill slag conveying system, the drill slag separating and dehydrating system, the slurry treatment system and the slurry preparation system are arranged above the walking chassis; the outside of the drilling slag treatment vehicle is provided with a protection system, an integral protection cover is arranged above the walking chassis, a floor drain type spill collecting pipe is also arranged on the walking chassis, and the spill collecting pipe is connected with a mud transfer box; when the capacity in the drilling slag treatment vehicle is insufficient to meet the use requirement, an expansion system is additionally arranged, and a plurality of detachable expansion mud tanks are arranged; the expansion mud box is communicated with a mud discharging pump pipe and a mud discharging pump pipe through a connecting pump pipe.
Further, when pumping is adopted, the lower end of a mud drilling slag pump pipe of the drilling slag conveying system is connected with a pump pipe joint, and the upper end of the mud drilling slag pump pipe is connected into a feed inlet of the rolling screening machine; when the screw conveyor is used for conveying, the screw conveyor is arranged at the tail part of the drilling slag conveying system, a discharge hole of the screw conveyor is connected into a feed hole of the rolling screening machine, and a slag receiving funnel is arranged at the upper part of the feed hole of the screw conveyor; when the sliding feeding hopper is adopted, the tail part of the drilling slag conveying system is provided with a landing slideway, the sliding feeding hopper moves up and down along the landing slideway under the control of a winch, the sliding feeding hopper is provided with a sliding feeding hopper feed inlet and a sliding feeding hopper discharge outlet, and the sliding feeding hopper discharge outlet is provided with a vibrator.
Further, a rolling screening machine of the drilling slag separation and dehydration system is obliquely arranged, the rolling screening machine is arranged above the slurry transfer box, and the vibration dehydrator is arranged between the rolling screening machine and the slurry transfer box; the rolling sieving machine is provided with a plurality of layers of sieve tubes, the layers of sieve tubes are all fixed on rolling shafts, the obliquely arranged rolling shafts are higher than the discharge port of the rolling sieving machine at the feed port of the rolling sieving machine, and a rotary motor is arranged on the rolling shaft at one side of the feed port of the rolling sieving machine; the axial length of the inner layer screen cylinder is larger than that of the outer layer screen cylinder, the diameter of the screen holes of the inner layer screen cylinder is larger than that of the outer layer screen cylinder, the screen holes are not formed at the two ends of the innermost layer screen cylinder, and a water spraying pipe is arranged at the top of the rolling screening machine; the aperture of the vibration dehydrator is matched with the diameter of the sieve aperture of the corresponding rolling sieving machine; the vibration dehydrator is respectively arranged at 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 directions of the discharge holes of two adjacent vibrating dehydrators are reversely arranged, and a semicircular receiving hopper is arranged above each vibrating dehydrator; the upper part of the slurry transfer box is opened, 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 tank closing baffle is arranged at the opening of the mud transfer tank.
Further, a cyclone 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 the slurry transfer box, an overflow port is connected with a slurry collecting pipe, a vibrating dehydrator is arranged at a bottom flow port at the lower end of the cyclone slag remover, slurry in the cyclone 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 spraying pipe above the rolling screening machine, and the other end of the slurry collecting pipe is communicated with the slurry storage box; the inside of the mud storage box is provided with a plurality of rotary blades, the bottom of the mud storage box is provided with a mud discharge port, and the mud discharge port is communicated with a mud discharge pump pipe and a mud 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.
A drilling slag construction method, comprising: starting a mud preparation system, preparing qualified mud, supplying the qualified mud into a drilled hole, and starting a reverse circulation drilling machine to drill; sucking out drilling slag and slurry in a drilling hole in the drilling process of the reverse circulation drilling machine, and conveying the drilling slag and slurry to a drilling slag separation and dehydration system through a drilling slag conveying system; and separating the drilling slag from the slurry through a drilling slag separation and dehydration system, conveying the separated fine drilling slag and slurry to a slurry treatment system, separating the fine drilling slag to obtain pure slurry, and conveying the pure slurry into a drill hole again for use.
Further, the specific process for preparing the qualified slurry comprises the following steps: starting a mud preparation system, after the mud preparation system is operated normally, firstly adding clear water into a water supply pump pipe, and adding mud powder according to requirements to prepare qualified mud; qualified mud is stored in a mud storage tank and an expansion mud tank; after the quantity of the prepared slurry meets the construction requirement, starting a slurry discharge pump, supplying qualified slurry into a drilled hole, and simultaneously starting a reverse circulation drilling machine for drilling; and sucking out drilling slag and slurry in the drilling hole in the drilling process of the reverse circulation drilling machine and conveying the drilling slag and slurry to a rolling screening machine of a drilling slag treatment vehicle.
Further, the drill slag conveying system adopts different forms to convey the drill slag in different states:
The method comprises the steps that pumping mode is adopted for fluid drilling slag wrapped and clamped by slurry, a pump pipe joint at the lower end of a slurry drilling slag pump pipe is connected to a slurry discharging pipe of a reverse circulation drilling machine, when the device is used, a slurry discharging pump is started, and the slurry wrapped and clamped drilling slag is conveyed to a rolling screening machine through the slurry drilling slag pump pipe; conveying the drilling slag in the flow plastic state in a spiral conveyor mode, wherein the spiral conveyor is arranged at the tail part of the drilling slag treatment vehicle, the drilling slag is poured into a slag receiving funnel and then enters a feed inlet of the spiral conveyor, the spiral conveyor is started, and a spiral blade rotates to drive the drilling slag to be transported to a rolling screening machine; the plastic or solid drilling slag is transported in a vehicle-mounted mode and is transported by a sliding feeding hopper, a landing slideway is arranged at the tail part of the drilling slag treatment vehicle, and the sliding feeding hopper moves up and down along the landing slideway under the control of a winch; the upper part of the sliding feeding hopper is provided with a sliding feeding hopper feed inlet, and plastic or solid drilling slag is directly discharged to the sliding feeding hopper through the sliding feeding hopper feed inlet by utilizing a transport vehicle; the sliding feeding hopper moves upwards to the top of the slideway and then overturns, and drilling slag enters the rolling screening machine along the discharge hole of the sliding feeding hopper; and a vibrator is arranged at the discharge hole of the sliding feeding hopper, and if drill slag is blocked and cannot fall freely, the vibrator is started to promote the drill slag to fall.
Further, the drill slag separating and dehydrating specifically comprises the following steps: drilling slag and slurry enter a rolling sieving machine, the rolling sieving machine starts to rotate, a water spraying pipe at the upper part of the rolling sieving machine sprays clear water or purified slurry to the rolling sieving machine, so that the drilling slag is diluted, and the rolling sieving machine rotates and stirs to wash away attachments on the surface of the drilling slag; drill slag rolls downwards along the inner wall of an inner layer screen drum of the rolling screening machine, drill slag with larger grain diameter cannot leak through the inner layer screen drum, rolls continuously along the inner wall of the inner layer screen drum, rolls out at the lower end of the inner layer screen drum and falls into a large-aperture vibration dehydrator, and discharges drill slag with larger grain diameter after vibration dehydration; the drill slag with medium grain size leaks through the inner layer screen drum in the rolling process, continuously rolls along the inner wall of the outer layer screen drum, but cannot leak, finally rolls out at the lower end of the outer layer screen drum and falls into the medium-aperture vibration dehydrator, and the drill slag with medium grain size is discharged after vibration dehydration; drill slag with small particle size continuously leaks through the inner layer screen cylinder and the outer layer screen cylinder in the rolling process, directly falls into the small-aperture vibration dehydrator, and is discharged after vibration dehydration; the especially fine drilling slag and slurry continuously leak through the inner layer screen cylinder, the outer layer screen cylinder and the slurry transfer box of the vibrating dehydrator falling into the lower part in the rolling falling process; the drill slag discharged from the drill slag separation and dehydration system is respectively discharged from the drill slag treatment vehicle according to different particle size grades and respectively piled aside through the procedures of screening, washing and vibration dehydration; after the slurry is wrapped with the fine drill slag and enters the slurry transfer box, the slurry continuously rotates in the slurry transfer box under the drive of the rotating blades, and the rotating slurry is wrapped with the fine drill slag and passes through a slurry discharge port at the bottom of the slurry transfer box to be pumped to a slurry treatment system by a transfer slurry pump.
Further, the mud treatment system comprises the following specific steps: when the slurry and the fine drilling slag enter the slurry treatment system, the slurry and the fine drilling slag firstly enter a cyclone slag remover at the upper part of a slurry storage box, and the cyclone slag remover is separated under the action of centrifugal force; the mixed solution of the slurry and the fine drilling slag tangentially enters a cyclone slag remover through the pumping pressure of a transfer slurry pump, and a high-speed rotating flow field is generated in a cylindrical cavity of the cyclone slag remover; the fine drilling slag with high density in the mixed liquid moves downwards along the axial direction under the action of the swirling 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, falls into a vibration dehydrator with fine aperture, and is discharged through vibration dehydration; the pure slurry moves towards the central axis direction, forms an upward moving inner vortex at the center of the axis, is discharged from a slurry overflow port and enters a slurry collecting pipe; one end of the slurry collecting pipe is connected to a water spraying pipe at the upper part of the rolling screening machine, and pure slurry is provided for the rolling screening machine to dilute and clean drilling slag; the other end of the mud collecting pipe is connected to a mud storage box at the lower part, and the treated mud is conveyed to the mud storage box for storage; the rotating blades are arranged in the mud storage box to drive mud to rotate, so that precipitation is avoided; the mud treated by the mud treatment system has greatly reduced sand content, and is pumped into the drilling hole again for use.
The advantages and effects:
The invention has the following advantages and beneficial effects:
1. the invention can separate and dry the drilling slag in various states rapidly and effectively, and is convenient for transporting the drilling slag and using in later period.
2. The invention can treat and purify the slurry required by construction, remove impurities in the slurry and reduce the sand content.
3. The invention can stir to prepare slurry and adjust and process slurry with unsuitable index.
4. The invention has the advantages of convenient transportation, simple operation, safety, environmental protection and cost saving.
5. The invention combines drill slag treatment and slurry recycling, integrates a drill slag treatment system, adjusts the structure, occupies small area, is convenient to move and is more beneficial to actual construction.
Drawings
FIG. 1 is a schematic illustration of a drill bit handling vehicle in a pumped form;
FIG. 2 is a schematic view of a drill slag handling vehicle in the form of a screw conveyor;
FIG. 3 is a schematic view of a drill slag handling vehicle and expansion system in the form of a slide-on hopper;
FIG. 4 is a cross-sectional view of the drill slag handling vehicle;
Fig. 5 is a schematic working view of a drill slag handling vehicle in the form of a slide-on hopper.
Reference numerals illustrate:
1. A drill slag conveying system; 1-1, a mud drilling slag pump pipe; 1-2, a screw conveyor; 1-3, a slag receiving hopper; 1-4, sliding feeding hoppers; 1-5, sliding a feeding hole of a feeding hopper; 1-6, sliding a discharge hole of a feeding hopper; 1-7, a vibrator; 1-8, a floor slideway; 2. a drill slag separation and dehydration system; 2-1, a rolling sieving machine; 2-2, a feeding port of the rolling screening machine; 2-3, a discharge port of the rolling sieving machine; 2-4, an inner layer 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 dehydrator; 2-10, a semicircular receiving hopper; 2-11, a mud transfer box; 2-12, rotating blades; 2-13, a mud pump pipe; 2-14, a transfer slurry pump; 2-15, a mud tank closing-in baffle; 3. a mud treatment system; 3-1, a cyclone slag remover; 3-2, a slurry inlet; 3-3, a slurry overflow port; 3-4, a bottom flow port; 3-5, collecting slurry; 3-6, a vibrating dehydrator; 3-7, a mud storage box; 3-8, rotating blades; 3-9, a slurry discharge pump; 3-10, discharging mud out of the pump pipe; 4. a slurry preparation system; 4-1, powder storage bin; 4-2, a water supply pump pipe; 5. a protection system; 5-1, an integral protective cover; 5-2; scattering a collecting pipe; 6. a walking chassis; 7. expanding a system; 7-1, expanding a mud box; 7-2, connecting a pump pipe.
Detailed Description
The invention is further described with reference to the accompanying drawings:
Example 1
The method aims at treating drilling slag and slurry in the reverse circulation bored pile construction process.
As shown in fig. 1,2 and 3, the drilling slag treatment vehicle comprises a locomotive, a drilling slag conveying system 1 is connected with a drilling slag separation and dehydration system 2 arranged on a walking chassis 6, the drilling slag separation and dehydration system 2 is connected with a mud treatment system 3 through a slurry discharge communication port, and a mud preparation system 4 is arranged above the mud treatment system 3.
The power head of the invention is the existing vehicle head, the rear part of the power head is connected with the walking chassis 6, and the power head drives the walking chassis 6, so that the drilling slag treatment vehicle can move at any time. Compared with the existing drilling slag treatment system, the invention has the advantages that the structure is further integrated, the occupied area is small, the drilling slag treatment system can be directly arranged on a vehicle, the drilling slag treatment system can be used for solving the problem that the drilling slag treatment system cannot move more flexibly on a construction site, the position can be adjusted at any time according to the requirement, and the drilling slag and the slurry are separated through the drilling slag separation and dehydration system 2, so that the purpose of recycling the slurry is achieved.
The existing drilling slag treatment system has large occupied area and cannot move flexibly, but the occupied area of the drilling slag treatment vehicle is 3 meters by 15 meters and about 45 square meters, and each occupied area of the slurry tank 7-1 needs to be expanded by about 3 meters by 6 meters and about 18 square meters.
The locomotive drives a walking chassis 6, and the drill slag conveying system 1, the drill slag separating and dewatering system 2, the slurry treatment system 3 and the slurry preparation system 4 are arranged above the walking chassis 6; the outside of the drilling slag treatment vehicle is provided with a protection system 5, an integral protection cover 5-1 is arranged above a walking chassis 6, a floor drain type spill collecting pipe 5-2 is also arranged on the walking chassis 6, and the spill collecting pipe 5-2 is connected with a mud transfer box 2-11; when the capacity in the drilling slag treatment vehicle is insufficient to meet the use requirement, an expansion system 7 is additionally arranged, and a plurality of detachable expansion mud tanks 7-1 are arranged; the expansion mud box 7-1 is communicated with the mud discharging pump pipe 3-10 and the mud discharging pump pipe 3-10 through the connecting pump pipe 7-2.
A plurality of pairs of tires are arranged below the walking chassis 6. The walking chassis can be an existing truck chassis, and the systems are arranged on the truck chassis, so that walking is facilitated, and power generated by the truck engine is also facilitated to be utilized. The drill slag treatment system is arranged on the walking chassis 6, so that the transportation and the transfer are convenient. A protection system 5 is integrally installed behind the drill slag treatment vehicle. The whole protective cover 5-1 is internally provided with a sound insulation layer to prevent noise pollution caused by the outward dispersion of working noise of each system. The whole protective cover 5-1 is provided with an opening at one side of the upper end face, and is provided with an opening corresponding to the upper end feed inlet of the powder storage bin 4-1 inside, and the rear end panel of the whole vehicle body is provided with a detachable or valve.
If the detachable rear end panel is detached when the drill slag is processed, the rear end panel is detached when the sliding feeding hopper 1-4 is adopted, the sliding feeding hopper 1-4 can conveniently move up and down, and meanwhile, an opening is formed in the tail portion corresponding to the upper end face, and the rear end panel can be matched with the sliding feeding hopper 1-4 or can be matched with the upper end of the screw conveyor 1-2 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 slag discharging port of the vibration dehydrator 2-9, which is convenient for separating and dehydrating drill slag. If the tail part of the integral protective cover 5-1 is provided with a valve, the upper and lower transferring of drill slag of the upper sliding hopper 1-4 can be facilitated.
The bottom of the drilling slag treatment vehicle is provided with a plurality of floor drain type spilled 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 treatment vehicle are insufficient to meet the use requirements, an expansion system 7 can be additionally arranged outside the drilling slag treatment vehicle. The expansion system 7 is mainly a plurality of detachable mud tanks, and the bottoms of the mud tanks are provided with connecting pipelines connected in series. When the expansion system 7 is used, the bottom mud discharging pipe of the mud storage tank 3-7 is connected to the connecting pipeline at the bottom of the expansion mud tank 7-1 of the expansion system 7 in series, and meanwhile, the interface of the mud pumping pipe of the mud pumping pump is also connected to the bottom of the expansion mud tank, so that the series use of the expansion system is realized.
The inward closing baffles are arranged at the upper openings of the various mud tanks, so that overflow of mud during rotation in the mud tanks can be reduced, and pollution is reduced. As shown in fig. 4, the mud pit closing-in baffles 2-15 are inwardly pleated closing-in.
The drill slag conveying system 1 mainly conveys drill slag in different states in different modes: as shown in fig. 1, the fluid drill slag entrained by the slurry may be in a pumped form, such as reverse circulation drill slag, or the like. When in pumping, the lower end of the mud 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 mud drilling slag pump pipe 1-1 is connected into the interior of the feed inlet 2-2 of the rolling screening machine.
As shown in fig. 2, the drilling slag in the state of flow molding can be conveyed by adopting a screw conveyor, such as shield tunneling drilling slag, impact hole 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 drill slag conveying system 1, a discharge port of the screw conveyor 1-2 is connected into a feed port 2-2 of the rolling screening machine, and a slag receiving hopper 1-3 is arranged at the upper part of the feed port of the screw conveyor 1-2; the screw conveyor 1-2 takes the form of a closed conveying pipe. The drill slag is poured into a slag receiving funnel and then enters a feed inlet of the screw conveyor 1-2, the screw conveyor 1-2 is started, and the screw blades rotate to drive the drill slag to be transported to the rolling screening machine 2-1.
The slag receiving hopper 1-3 is of a hopper-shaped structure, and the upper end of the slag receiving hopper is communicated with a feed inlet of the screw conveyor 1-2. In order to prevent the slag receiving hopper 1-3 from tilting, a fixing seat is arranged below the slag receiving hopper 1-3, the slag receiving hopper 1-3 is stabilized in a state of being communicated with a feed inlet of the screw conveyor 1-2, and the fixing seat is only required to be a conventional fixing device.
As shown in fig. 3 and 5, the plastic or solid drilling slag can be transported in a vehicle-mounted mode and then transported in a sliding loading hopper mode, such as rotary drilling slag, earth-continuous wall grooving machine drilling slag and the like. When the sliding feeding hopper 1-4 is adopted, the tail part of the drilling slag conveying system 1 is provided with a landing slideway 1-8, the sliding feeding hopper 1-4 moves up and down along the landing slideway 1-8 under the control of a winch, the sliding feeding hopper 1-4 is provided with a sliding feeding hopper feed inlet 1-5 and a sliding feeding hopper discharge outlet 1-6, and the sliding feeding hopper discharge outlet 1-6 is provided with a vibrator 1-7.
One end of the landing slideway 1-8 is contacted with the ground, the other end is close to the upper end of the rolling sieving machine 2-1, a winch arranged at the upper end of the rolling sieving machine 2-1 controls the sliding feeding hopper 1-4, as shown in fig. 3 and 5, the sliding feeding hopper 1-4 is in a ladder shape, the left side is provided with a sliding feeding hopper feed inlet 1-5, the right side upper end is provided with a sliding feeding hopper discharge outlet 1-6, the right side is provided with a vibrator 1-7, and a sliding wheel matched with the landing slideway 1-8 is also arranged, when the uppermost end is reached, the sliding wheel leaves the slideway, and the sliding feeding hopper discharge outlet 1-6 is adjacent to the rolling sieving machine feed inlet 2-2, so that drill slag is poured into the rolling sieving machine 2-1.
According to the state of the drilling slag, the invention can adopt the three states, has simple structure and convenient transportation, and is beneficial to the subsequent separation and dehydration system 2 of the drilling slag to separate the drilling slag from the slurry. The pumping mode 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 the pumping mode is arranged at the tail part of the vehicle when needed. The sliding feeding hopper 1-4, the vibrator 1-7 and the landing slideway 1-8 are arranged to be detachable, and can be quickly installed and used when needed.
The 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 the mud transfer box 2-11, and the vibration dehydrator 2-9 is arranged between the rolling screening machine 2-1 and the mud transfer box 2-11; the rolling sieving machine 2-1 is provided with a plurality of layers of sieve tubes, the layers of sieve tubes are all fixed on the rolling shafts 2-7, the obliquely arranged rolling shafts 2-7 are higher than the discharging hole 2-3 of the rolling sieving machine at the feeding hole 2-2 of the rolling sieving machine, and the rolling shaft 2-7 at one side of the feeding hole 2-2 of the rolling sieving machine is provided with a rotary motor 2-6; the axial length of the inner layer screen cylinder is larger than that of the outer layer screen cylinder, the diameter of the screen holes of the inner layer screen cylinder is larger than that of the outer layer screen cylinder, the screen holes are not formed at the two ends of the innermost layer screen cylinder, and a water spraying pipe 2-8 is arranged at the top of the rolling screening machine 2-1; the aperture of the vibration dehydrator 2-9 is matched with the aperture diameter of the corresponding rolling sieving machine 2-1; the vibration 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 directions of the discharge holes of two adjacent vibrating dehydrators 2-9 are reversely arranged, and a semicircular receiving hopper 2-10 is arranged above each vibrating dehydrator 2-9; the upper part of the mud transfer box 2-11 is open, a plurality of rotating blades 2-12 are arranged in the mud transfer box, a mud discharge port is arranged at the bottom of the mud transfer box 2-11, and the mud discharge port is connected with a mud pump pipe 2-13 and a transfer mud pump 2-14; the mud box closing-in baffle plate 2-15 is arranged at the opening of the mud transfer box 2-11.
As shown in fig. 4, the closing-in baffle plate 2-15 of the mud box is closed inwards, the bending folded plate is arranged, mud in the mud transfer box 2-11 is driven by the rotation of the rotating blades 2-12 to rotate, the closing-in baffle plate has the function of avoiding the overflow of the mud during rotation, and the mud is controlled to be stored and shielded in the mud box to avoid scattering. The upper part of the mud transfer 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 pipe 2-8, so that the dust is reduced.
As shown in FIG. 1, the drill slag separation and dewatering system 2 comprises a rolling screening machine 2-1, a vibration dewatering machine 2-9 and a mud transfer box 2-11. The rolling sieving machine 2-1 is obliquely arranged and arranged at the upper part of the slurry transfer box 2-11, the upper end of the rolling sieving machine 2-1 is provided with a rolling sieving machine feed inlet 2-2, and the lower end is provided with a rolling sieving machine discharge outlet 2-3. The diameter of the sieve holes of the inner layer sieve cylinder 2-4 is the largest and the length thereof 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 sieve holes of the outer layer sieve cylinder 2-5 is slightly smaller, and the length is slightly shorter. The diameter of the sieve holes of the integral rolling sieving machine 2-1 is gradually reduced from inside to outside, which is beneficial to sieving drill slag layer by layer.
The screens of the inner layer screen cylinder 2-4 and the outer layer screen cylinder 2-5 are fixed aperture screens and are arranged on the screen cylinder framework. The screen cylinder framework is fixed on the upper end face of the slurry transfer box 2-11, the rolling screening machine 2-1 is fixed, the screen cylinder framework is also obliquely arranged, and the rolling screening machine 2-1 is fixed to be that one side of a feed inlet is higher than a discharge outlet.
The number of layers of the screen cylinder and the diameter of the screen holes can be adjusted and installed according to geological conditions of different construction areas. The top of the rolling sieving machine 2-1 is provided with a water spraying pipe 2-8, water or pure slurry is sprayed onto the sieving cylinder when the rolling sieving machine 2-1 rotates to work, and the drilling slag is diluted and the sludge on the surface of the large-particle drilling slag is cleaned.
The two ends of each layer of screen tube of the rolling screen machine 2-1 are provided with fixed connecting plates, the two end faces of each inner layer of screen tube are provided with supporting rods for connecting the rolling shafts 2-7 and the inner layer of screen tube 2-4, the supporting rods ensure that the relative positions between the inner layer of screen tube 2-4 and the rolling shafts 2-7 cannot be changed, and the rolling smoothness is ensured.
The vibration dehydrator 2-9 is arranged between the rolling screening machine 2-1 and the slurry transfer box 2-11, the aperture of the vibration dehydrator at different positions is different, and the aperture of the vibration dehydrator is matched with the diameter of the screen hole of the rolling screening machine. The vibration dehydrators 2-9 are respectively arranged at the lower parts of the discharge holes of the inner layer screen drum, the lower parts of the discharge holes of the outer layer screen drum and the lower parts of the screen holes of the outer layer screen drum. The discharge ports of two adjacent vibrating dehydrators are oppositely arranged, and are generally arranged at the left side and the right side of the vehicle body, so that drill residues with different particle sizes after sieving are prevented from being mixed together again. In order to prevent drill slag from being missed to the mud transfer box 2-11, each vibration dehydrator is provided with a semicircular receiving hopper 2-10. One end of the semicircular receiving hopper 2-10 is arranged at the top of the vibration dehydrator, and the other end is cantilevered at the lower part of the outer layer screen drum, so that drill slag leaked through the outer layer screen drum can be completely collected to the vibration dehydrator.
The slurry transfer box 2-11 is installed below the vibration dehydrator 2-9, and the upper portion of the slurry transfer box 2-11 is opened to collect the drill slag and slurry of the special fine particles which have leaked through the rolling screen 2-1 and the vibration dehydrator 2-9 in the slurry transfer box 2-11. The slurry transfer box 2-11 is internally provided with a plurality of rotating blades 2-11 to drive the slurry in the slurry transfer box 2-11 to rotate, so that the slurry is prevented from segregation and precipitation. The bottom of the mud transfer box 2-11 is provided with a mud discharge port, and the mud discharge port is connected with a mud pump pipe 2-13 and a transfer mud pump 2-14, so that mud in the box can be pumped out to an adjacent mud treatment system 3.
The rotating blades 2-12 and the rotating blades 3-8 have the same structure, a plurality of rotating blades 2-12 are circumferentially and uniformly arranged on the rotating shaft, a rotating motor for driving the rotating shaft is arranged on the upper end face of the mud transfer box 2-11, and the rotating blades 2-12 are driven to rotate, similar to a fan structure with blades.
The cyclone slag remover 3-1 of the slurry treatment system 3 is arranged at the upper part of a slurry storage tank 3-7, a slurry inlet 3-2 of the cyclone slag remover 3-1 is connected with a slurry pump pipe 2-13 connected with a slurry transit tank 2-11, an overflow port 3-3 is connected with a slurry collecting pipe 3-5, a lower end underflow port 3-4 of the cyclone slag remover 3-1 is provided with a vibrating dehydrator 3-6, slurry in the cyclone 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 screening machine 2-1, and the other end of the slurry collecting pipe 3-5 is communicated with the slurry storage tank 3-7; the inside of the mud storage box 3-7 is provided with a plurality of rotary blades 3-8 to drive mud in the box to rotate, so that segregation and precipitation are avoided. The bottom of the mud storage box 3-7 is provided with a mud discharge port which is communicated with a mud discharge pump pipe 3-10 and a mud discharge pump 3-9; the powder storage bin 4-1 of the slurry preparation system 4 is arranged above the slurry storage tank 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 feed inlet, the bottom of the powder storage bin is provided with a discharge outlet, powder in the bin can be directly filled into the slurry storage box 3-7 through the discharge outlet, and the slurry can be prepared by stirring after water is added.
The mud treatment system 3 comprises a cyclone slag remover 3-1, a mud collecting pipe 3-5, a vibrating dehydrator 3-6, a mud storage tank 3-7 and a mud discharging pump 3-9. The cyclone slag remover 3-1 is arranged on the upper part of the slurry storage box 3-7, and after the slurry is wrapped with tiny drill slag and enters the cyclone slag remover 3-1, the tiny drill slag is discharged from the bottom flow port 3-4 and falls into the vibrating dehydrator 3-6, and is discharged out of the drill slag treatment vehicle after vibrating dehydration. 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 mud discharge pump 3-9, so that mud in the box can be pumped out to a using position.
The powder storage bin 4-1 is arranged at the upper part of the mud storage box 3-7, the powder storage bin 4-1 can be provided with a plurality of sub bins, and different mud powder can be respectively stored in the sub bins. 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. The automatic detection system is arranged in the mud storage box 3-7 for monitoring mud indexes at any time, when the indexes do not meet the requirements, the powder storage bin 4-1 and the water supply pump are automatically started, different powder is filled into the mud storage box 3-7, and the preparation of qualified mud slurry is completed under the action of rotating and mixing the rotating blades 3-8. An outer mud discharging pipe and an outer mud discharging pump are arranged at the bottom of the mud storage box 3-7, and qualified mud in the box can be pumped to a designated position. The slurry discharging pump is provided with two slurry sucking interfaces, one is connected with a slurry discharging pipe at the bottom of the slurry storage tank 3-7 in a butt joint mode, and the other is connected with a slurry discharging port at the bottom of the expansion slurry tank 7-1 in a butt joint mode, and the two interfaces can be switched on and off at will according to the situation.
The automatic detection system is an existing detection system, and the existing mud densitometer is utilized for detecting mud indexes at any time. The automatic detection system can be manually monitored, and when the requirements are not met, the powder storage bin 4-1 and the water supply pump are started for adjustment. The mud densitometer can be manufactured by Beijing Zhuo Chuan electronic technology Co., ltd.
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 the reverse circulation drilling construction site. According to the slurry required by reverse circulation drilling construction, an expansion system 7 is provided, and expansion slurry tanks 7-1 are connected in series by connecting pump pipes 7-2 and are communicated with a drilling slag slurry treatment vehicle. The reverse circulation slurry discharging pump pipe and the slurry drilling slag pump pipe 1-1 are communicated, the water supply source is communicated, and the powder storage bin 4-1 is filled with slurry powder.
The invention relates to a concrete drilling slag construction method, which comprises the following steps: starting a mud preparation system 4, preparing qualified mud, supplying the qualified mud into a drilled hole, and starting a reverse circulation drilling machine to drill; sucking out drilling slag and slurry in a drilling hole in the drilling process of the reverse circulation drilling machine, and conveying the drilling slag to a drilling slag separation and dehydration system 2 through a drilling slag conveying system 1; the drill slag and the slurry are separated through the drill slag separating and dewatering system 2, the separated fine drill slag and slurry are conveyed to the slurry treatment system 3, the fine drill slag is separated, pure slurry is obtained, and the pure slurry is conveyed into a drill hole for use again.
The specific process for preparing the qualified slurry comprises the following steps: after the slurry preparation system 4 is started and the operation is normal, firstly, clean water is added into the water supply pump pipe 4-2, and slurry powder is added according to the requirement to prepare qualified slurry. The process requires an operator to monitor the slurry index, adjust the slurry according to the monitoring data until the slurry requirement is reached, and then close the valve of the water supply pump pipe 4-2.
The qualified slurry is stored in a slurry storage tank 3-7, and can be communicated with an expansion slurry tank 7-1 which is additionally arranged if expansion is needed; after the quantity of the prepared slurry meets the construction requirement, starting a slurry discharge pump 3-9, supplying qualified slurry into a drilled hole, and starting a reverse circulation drilling machine for drilling; and during the drilling process of the reverse circulation drilling machine, the drilling slag and the slurry in the drilling hole are sucked out together and conveyed to the rolling screening machine 2-1 of the drilling slag treatment vehicle.
The drill slag conveying system 1 conveys drill slag in different states in different forms: the method comprises the steps that pumping mode is adopted for fluid drilling slag wrapped and clamped by slurry, a pump pipe joint at the lower end of a slurry drilling slag pump pipe 1-1 is connected to a slurry discharging pipe of a reverse circulation drilling machine, when the device is used, a slurry discharging pump is started, and the slurry wrapping and clamping drilling slag is conveyed to a rolling screening machine 2-1 through the slurry drilling slag pump pipe 1-1;
Conveying the drilling slag in a flow molding state in a form of a screw conveyor 1-2, arranging the screw conveyor 1-2 at the tail part of a drilling slag treatment vehicle, pouring the drilling slag into a slag receiving hopper 1-3, then entering a feed inlet of the screw conveyor 1-2, starting the screw conveyor 1-2, and rotating a screw blade to drive the drilling slag to be transported to a rolling screening machine 2-1; the plastic or solid drilling slag is transported in a vehicle-mounted mode, a sliding feeding hopper 1-4 is used for conveying, a landing slideway 1-8 is arranged at the tail part of the drilling slag treatment vehicle, and the sliding feeding hopper 1-4 moves up and down along the landing slideway 1-8 under the control of a winch; the upper part of the sliding feeding hopper 1-4 is provided with a sliding feeding hopper feed inlet 1-5, and plastic or solid drilling slag is directly discharged to the sliding feeding hopper 1-4 through the sliding feeding hopper feed inlet 1-5 by utilizing a transport vehicle; the sliding feeding hopper 1-4 moves upwards to the top of the slideway, the sliding feeding hopper 1-4 overturns, and drilling residues enter the rolling screening machine 2-1 along the discharging hole 1-6 of the sliding feeding hopper; the vibrator 1-7 is arranged at the discharge hole 1-6 of the sliding feeding hopper, and if drill slag is blocked and can not fall freely, the vibrator 1-7 of the existing equipment is started to promote the drill slag to fall.
The drill slag separation and dehydration specifically comprises the following steps: drilling slag and slurry enter a rolling sieving machine 2-1, the rolling sieving machine 2-1 starts to rotate, a water spraying pipe 2-8 at the upper part of the rolling sieving machine 2-1 sprays clear water or purified slurry to the rolling sieving machine 2-1, so that the drilling slag is diluted, and the rolling sieving machine 2-1 rotates and stirs to wash away attachments on the surface of the drilling slag; drill slag rolls downwards along the inner wall of the inner layer screen cylinder 2-4 of the rolling screening machine 2-1, drill slag with larger grain diameter cannot leak through the inner layer screen cylinder 2-4, rolls continuously along the inner wall of the inner layer screen cylinder 2-4, rolls out at the lower end of the inner layer screen cylinder 2-4 and falls into a large-aperture vibration dehydrator, and the drill slag with larger grain diameter is discharged after vibration dehydration; drill slag with medium grain 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 at the lower end of the outer layer screen drum 2-5 and falls into the medium-aperture vibration dehydrator, and the drill slag with medium grain size is discharged after vibration dehydration; drill 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 vibration dehydration.
The setting of the aperture is determined according to different particle sizes of different geological conditions of different drilling construction, and is change data. Roughly, it can be distinguished as: the large pore diameter is about 200 mm-20 mm, the medium pore diameter is about 20 mm-2 mm, and the particularly fine pore diameter is about 2mm or less.
The 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 slurry transfer box 2-11 of which the vibration dehydrator 2-9 falls into the lower part in the rolling falling process; the drill slag discharged from the drill slag separation and dehydration system 2 is respectively discharged from a drill slag treatment vehicle according to different particle size grades and respectively piled aside through the procedures of screening, washing and vibration dehydration;
After the slurry is wrapped with fine drill residues and enters the slurry transfer box 2-11, the slurry is driven by the rotating blades 2-12 to continuously rotate in the slurry transfer box 2-11, the rotating slurry is wrapped with fine drill residues and passes through a slurry discharge port at the bottom of the slurry transfer box 2-11, and the slurry is pumped to the slurry treatment system 3 by the transfer slurry pump 2-14.
The mud treatment system 3 comprises the following specific steps: when the mud and the tiny drilling slag enter the mud treatment system 3, the mud and the tiny drilling slag firstly enter a cyclone slag remover 3-1 at the upper part of a mud storage box 3-7, and the cyclone slag remover 3-1 is separated by the action of centrifugal force; the mixed solution of the slurry and the tiny drilling slag enters the cyclone slag remover 3-1 tangentially through the pumping pressure of the transfer slurry pump 2-14, and a high-speed rotating flow field is generated in the cylindrical cavity of the cyclone slag remover 3-1; the fine drilling slag with high density in the mixed liquid moves downwards along the axial direction under the action of the swirling 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 the bottom flow port 3-4, falls into the vibration dehydrator 3-6 with fine aperture, and is discharged through vibration dehydration; the pure mud moves towards the central axis, forms an upward moving inner vortex at the center of the axis, is discharged from a overflow port 3-3 of a cyclone slag remover 3-1 and enters a mud collecting pipe 3-5; one end of a mud collecting pipe 3-5 is connected to a water spraying pipe 2-8 at the upper part of the rolling screening machine 2-1, and pure mud is provided for the rolling screening machine to dilute and clean 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 rotating blades 3-8 are arranged in the mud storage box 3-7 to drive mud to rotate, so that precipitation is avoided; the mud treated by the mud treatment system 3 has a greatly reduced sand content and is pumped into the borehole again for use. The treated slurry can greatly reduce the thickness of the sediment at the bottom of the hole and improve the pile-forming quality of the bored pile.
The automatic detection system is arranged in the mud storage box 3-7 for monitoring mud indexes at any time, when the indexes do not meet the requirements, the powder storage bin 4-1 is opened, different powders are filled into the mud storage box, and the preparation of qualified mud slurry is completed under the action of rotating and mixing of the rotating blades 3-8. The well-prepared mud may be discharged directly into the expanded mud tank 7-1 and pumped into the borehole. By repeating the steps, the screening and dewatering treatment of the discharged drilling slag of the drilling can be realized, the slurry purification treatment and the preparation work can be realized, and the full mechanization of the slurry treatment of the drilling slag can be realized.
Claims (6)
1. The utility model provides a drill slag treatment car, includes locomotive, its characterized in that: the drilling slag conveying system (1) is connected with a drilling slag separation and dehydration system (2) arranged on the walking chassis (6), the drilling slag separation and dehydration system (2) is connected with a mud treatment system (3) through a mud discharge communication port, and a mud preparation system (4) is arranged above the mud treatment system (3);
the power head drives the walking chassis (6), and the drilling slag conveying system (1), the drilling slag separating and dewatering system (2), the slurry treatment system (3) and the slurry preparation system (4) are arranged above the walking chassis (6);
The outside of the drilling slag treatment vehicle is provided with a protection system (5), an integral protective cover (5-1) is arranged above the walking chassis (6), the walking chassis (6) is also provided with a floor drain type spilled collecting pipe (5-2), and the spilled collecting pipe (5-2) is connected with a mud transfer box (2-11);
when the capacity in the drilling slag treatment vehicle is insufficient to meet the use requirement, an expansion system (7) is additionally arranged, and a plurality of detachable expansion mud boxes (7-1) are arranged; the expansion mud box (7-1) is communicated with a mud discharge pump pipe (3-10) and the mud discharge pump pipe (3-10) through a connecting pump pipe (7-2);
When in pumping, the lower end of a mud 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 mud drilling slag pump pipe (1-1) is connected into a feeding port (2-2) of the rolling screening machine;
When the screw conveyor (1-2) is used for conveying, the screw conveyor (1-2) is arranged at the tail part of the drill slag conveying system (1), a discharge hole of the screw conveyor (1-2) is connected into a feed hole (2-2) of the rolling screening machine, and a slag receiving hopper (1-3) is arranged at the upper part of the feed hole of the screw conveyor (1-2);
When the sliding feeding hopper (1-4) is adopted, a landing slide way (1-8) is arranged at the tail part of the drilling slag conveying system (1), the sliding feeding hopper (1-4) moves up and down along the landing slide way (1-8) under the control of a winch, a sliding feeding hopper feed inlet (1-5) and a sliding feeding hopper discharge outlet (1-6) are arranged on the sliding feeding hopper (1-4), and a vibrator (1-7) is arranged at the sliding feeding hopper discharge outlet (1-6);
The 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 the mud transfer box (2-11), and the vibration dewatering machine (2-9) is arranged between the rolling screening machine (2-1) and the mud transfer box (2-11);
the rolling screening machine (2-1) is provided with a plurality of layers of screen drums, the layers of screen drums are fixed on the rolling shafts (2-7), the obliquely arranged rolling shafts (2-7) are higher than the discharging port (2-3) of the rolling screening machine at the feeding port (2-2), and the rolling shafts (2-7) at one side of the feeding port (2-2) of the rolling screening machine are provided with rotary motors (2-6); 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 holes 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 screen 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 sieve aperture of the corresponding rolling sieving machine (2-1); the vibration 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 directions of the discharge holes of two adjacent vibrating dehydrators (2-9) are reversely arranged, and a semicircular receiving hopper (2-10) is arranged above each vibrating dehydrator (2-9);
the upper part of the mud transfer box (2-11) is open, a plurality of rotating blades (2-12) are arranged in the mud transfer box, a mud discharge port is arranged at the bottom of the mud transfer box (2-11), and the mud discharge port is connected with a mud pump pipe (2-13) and a transfer mud pump (2-14);
the mud box closing baffle (2-15) is arranged at the opening of the mud transfer box (2-11);
The cyclone slag remover (3-1) of the slurry treatment system (3) is arranged at the upper part of the slurry storage tank (3-7), the slurry inlet (3-2) is connected with a slurry pump pipe (2-13) connected with the slurry transfer tank (2-11), the overflow port (3-3) is connected with a slurry collecting pipe (3-5), a vibrating dehydrator (3-6) is arranged at a bottom flow port (3-4) at the lower end of the cyclone slag remover (3-1), slurry in the cyclone 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 screening machine (2-1), and the other end of the slurry collecting pipe (3-5) is communicated with the slurry storage tank (3-7); a plurality of rotating blades (3-8) are arranged in the mud storage box (3-7), a mud discharging port is arranged at the bottom of the mud storage box (3-7), and the mud discharging port is communicated with a mud discharging pump pipe (3-10) and a mud discharging 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.
2. A drill slag construction method using the drill slag treatment vehicle according to claim 1, characterized in that: the method comprises the following steps: starting a mud preparation system (4) to prepare qualified mud, supplying the qualified mud into the reverse circulation drilling hole, and starting the reverse circulation drilling machine to drill at the same time; sucking out drilling slag and slurry in a drilling hole in the drilling process of the reverse circulation drilling machine, and conveying the drilling slag to a drilling slag separation and dehydration system (2) through a drilling slag conveying system (1); the drilling slag and the slurry are separated through a drilling slag separation and dehydration system (2), the separated fine drilling slag and slurry are conveyed to a slurry treatment system (3), the fine drilling slag is separated, pure slurry is obtained, and the pure slurry is conveyed into a drill hole for use.
3. The drill slag construction method according to claim 2, wherein: the specific process for preparing the qualified slurry comprises the following steps:
Starting a mud preparation system (4), after the operation is normal, firstly filling clear water into a water supply pump pipe (4-2), and filling mud powder according to the requirement to prepare qualified mud;
qualified slurry is stored in a slurry storage tank (3-7) and an expansion slurry tank (7-1); after the quantity of the prepared slurry meets the construction requirement, starting a slurry discharge pump (3-9), supplying qualified slurry into a drilled hole, and starting a reverse circulation drilling machine for drilling; and in the drilling process of the reverse circulation drilling machine, the drilling slag and the slurry in the drilling hole are sucked out together and conveyed to a rolling screening machine (2-1) of a drilling slag treatment vehicle.
4. The drill slag construction method according to claim 2, wherein: the drill slag conveying system (1) adopts different forms to convey drill slag in different states:
The method comprises the steps that pumping mode is adopted for fluid drilling slag wrapped and clamped by slurry, a pump pipe joint at the lower end of a slurry drilling slag pump pipe (1-1) is connected to a slurry discharging pipe of a reverse circulation drilling machine, when the device is used, a slurry discharging pump is started, and the slurry wrapped and clamped drilling slag is conveyed to a rolling screening machine (2-1) through the slurry drilling slag pump pipe (1-1);
conveying the drilling slag in a flow molding state in a form of a screw conveyor (1-2), wherein the screw conveyor (1-2) is arranged at the tail part of a drilling slag treatment vehicle, the drilling slag is poured into a slag receiving hopper (1-3) and then enters a feed inlet of the screw conveyor (1-2), the screw conveyor (1-2) is started, and a screw blade rotates to drive the drilling slag to be transported to a rolling screening machine (2-1);
For plastic or solid drilling slag transportation in a vehicle-mounted mode, a sliding feeding hopper (1-4) is adopted for conveying, a landing slide way (1-8) is arranged at the tail part of a drilling slag treatment vehicle, and the sliding feeding hopper (1-4) moves up and down along the landing slide way (1-8) under the control of a winch; the upper part of the sliding feeding hopper (1-4) is provided with a sliding feeding hopper feed inlet (1-5), and plastic or solid drilling residues are directly discharged to the sliding feeding hopper (1-4) through the sliding feeding hopper feed inlet (1-5) by utilizing a transport vehicle; the sliding feeding hopper (1-4) moves upwards to the top of the slideway, the sliding feeding hopper (1-4) turns over, and drilling residues enter the rolling screening machine (2-1) along the discharging hole (1-6) of the sliding feeding hopper; the vibrator (1-7) is arranged at the discharge hole (1-6) of the sliding feeding hopper, and if the drill slag is blocked and can not fall freely, the vibrator (1-7) is started to promote the drill slag to fall.
5. The drill slag construction method according to claim 2, wherein: the drill slag separation and dehydration specifically comprises the following steps:
drilling slag and slurry enter a rolling sieving machine (2-1), the rolling sieving machine (2-1) starts to rotate, a water spraying pipe (2-8) at the upper part of the rolling sieving machine (2-1) sprays clear water or purified slurry to the rolling sieving machine (2-1) so that the drilling slag is diluted, and the rolling sieving machine (2-1) rotates and stirs to wash away attachments on the surface of the drilling slag;
drill slag rolls downwards along the inner wall of an inner layer screen cylinder (2-4) of the rolling screening machine (2-1), drill slag with larger grain diameter cannot leak through the inner layer screen cylinder (2-4), then continuously rolls along the inner wall of the inner layer screen cylinder (2-4), finally rolls out at the lower end of the inner layer screen cylinder (2-4) and falls into a large-aperture vibration dehydrator, and drill slag with larger grain diameter is discharged through vibration dehydration; drill slag with medium grain size leaks through the inner layer screen cylinder (2-4) in the rolling process, continuously rolls along the inner wall of the outer layer screen cylinder (2-5), but cannot leak, finally rolls out at the lower end of the outer layer screen cylinder (2-5) and falls into the medium-aperture vibration dehydrator, and the drill slag with medium grain size is discharged after vibration dehydration; drill slag with small particle size continuously leaks through the inner layer screen cylinder (2-4) and the outer layer screen cylinder (2-5) in the rolling process, directly falls into the small-aperture vibration dehydrator, and is discharged after vibration dehydration;
The especially 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) to fall into the slurry transfer box (2-11) at the lower part in the rolling falling process; drill slag discharged from the drill slag separation and dehydration system (2) is respectively discharged from drill slag treatment vehicles according to different particle size grades and respectively piled aside through the procedures of screening, washing and vibration dehydration;
After the slurry is wrapped with fine drill residues and enters the slurry transfer box (2-11), the slurry is driven by the rotating blades (2-12) to continuously rotate in the slurry transfer box (2-11), the rotating slurry is wrapped with fine drill residues and passes through a slurry discharge port at the bottom of the slurry transfer box (2-11), and the slurry is pumped to the slurry treatment system (3) by the transfer slurry pump (2-14).
6. The drill slag construction method according to claim 2, wherein: the concrete steps of the mud treatment system (3) comprise:
When the mud and the tiny drilling slag enter the mud treatment system (3), the mud and the tiny drilling slag firstly enter a cyclone slag remover (3-1) at the upper part of a mud storage box (3-7), and the cyclone slag remover (3-1) is separated by the action of centrifugal force; the mixed solution of the slurry and the tiny drilling slag enters a cyclone slag remover (3-1) tangentially through the pumping pressure of a transfer slurry pump (2-14), and a high-speed rotating flow field is generated in a cylindrical cavity of the cyclone slag remover (3-1); the fine drilling slag with high density in the mixed liquid moves downwards along the axial direction under the action of the swirling 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 fine aperture, and is discharged through vibrating dehydration; the pure slurry moves towards the central axis direction, forms an upward moving inner vortex at the center of the axis, is discharged from an overflow port (3-3) and enters a slurry collecting pipe (3-5); one end of the mud collecting pipe (3-5) is connected with a water spraying pipe (2-8) at the upper part of the rolling screening machine (2-1) to provide pure mud for the rolling screening machine (2-1) for drill residue dilution and cleaning; 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 slurry storage box (3-7) is internally provided with a rotary blade (3-8) to drive slurry to rotate, so that precipitation is avoided; the mud treated by the mud treatment system (3) has greatly reduced sand content, and is pumped into the drilling hole again for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010542431.6A CN111636835B (en) | 2020-06-15 | 2020-06-15 | Drill slag treatment vehicle and drill slag construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010542431.6A CN111636835B (en) | 2020-06-15 | 2020-06-15 | Drill slag treatment vehicle and drill slag construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111636835A CN111636835A (en) | 2020-09-08 |
| CN111636835B true CN111636835B (en) | 2024-06-04 |
Family
ID=72330107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010542431.6A Active CN111636835B (en) | 2020-06-15 | 2020-06-15 | Drill slag treatment vehicle and drill slag construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111636835B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114439393B (en) * | 2021-12-22 | 2024-02-13 | 山西天地王坡煤业有限公司 | Blowout prevention and dust drilling slag treatment system for pneumatic directional drilling of crushed soft coal seam |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205259984U (en) * | 2015-12-22 | 2016-05-25 | 山东高速济莱城际公路有限公司 | Slime separation circulating equipment |
| CN105696954A (en) * | 2016-03-24 | 2016-06-22 | 宁波易通建设有限公司 | Mud cyclic purification system and mud purification method during drilling |
| CN110566143A (en) * | 2019-10-28 | 2019-12-13 | 平煤建工集团特殊凿井工程有限公司 | Forced drilling slag-liquid separator |
| CN212317906U (en) * | 2020-06-15 | 2021-01-08 | 沈阳帝铂建筑工程有限公司 | Drilling slag treatment vehicle |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014196956A1 (en) * | 2013-06-04 | 2014-12-11 | Hurst Jason | Method of solids control and fluid recovery in drilling operations |
| CN204870689U (en) * | 2015-07-28 | 2015-12-16 | 中交一公局第二工程有限公司 | Drilled pile dregs transport vechicle thick liquid fluid recovery unit |
| CN109629561B (en) * | 2018-12-19 | 2020-07-14 | 中铁十六局集团路桥工程有限公司 | Clean and environment-friendly reverse circulation pile forming system for high trestle construction platform |
-
2020
- 2020-06-15 CN CN202010542431.6A patent/CN111636835B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205259984U (en) * | 2015-12-22 | 2016-05-25 | 山东高速济莱城际公路有限公司 | Slime separation circulating equipment |
| CN105696954A (en) * | 2016-03-24 | 2016-06-22 | 宁波易通建设有限公司 | Mud cyclic purification system and mud purification method during drilling |
| CN110566143A (en) * | 2019-10-28 | 2019-12-13 | 平煤建工集团特殊凿井工程有限公司 | Forced drilling slag-liquid separator |
| CN212317906U (en) * | 2020-06-15 | 2021-01-08 | 沈阳帝铂建筑工程有限公司 | Drilling slag treatment vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111636835A (en) | 2020-09-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6585115B1 (en) | Apparatus and method for transferring dry oil and gas well drill cuttings | |
| CN105370228B (en) | Mud does not land intelligent environment protection integration well drilling solid control system | |
| AU2001231621A1 (en) | Apparatus and method for transferring dry oil and gas well drill cuttings | |
| CN114260106B (en) | Classification treatment system for earth pressure balance shield dregs | |
| CN206448356U (en) | A kind of municipal pipeline desilting dredging vehicle | |
| KR100618919B1 (en) | A movable apparatus which processes dredging soil and sludge of drainage system in a sump | |
| EP2480748B1 (en) | Multiple process service vessel | |
| CN111636835B (en) | Drill slag treatment vehicle and drill slag construction method | |
| CN202729965U (en) | Oil field skid-mounted type oil field waste treatment device | |
| CN212317906U (en) | Drilling slag treatment vehicle | |
| CN205100913U (en) | Mud does not fall to ground intelligent environmental protection integration well drilling solid controlling system | |
| CN212296332U (en) | Solid-liquid separation metering machine | |
| CN105836988A (en) | Slurry reduction treatment system | |
| CN111255470B (en) | Slurry-soil pressure dual-mode shield system and control method | |
| CN110204157B (en) | Oil sludge treatment process | |
| CN109052882B (en) | Portable construction waste mud concentration dehydration handles all-in-one equipment | |
| CN214270628U (en) | Integrated shield tunneling machine mud-water separation system | |
| CN211215795U (en) | Cleaning water classification and separation device for mixer truck | |
| CN113818825A (en) | Unmanned intelligent solid phase control system | |
| CN110238115B (en) | Oil sludge cleaning machine | |
| CN114146826A (en) | Slurry sand removing machine and slurry sand removing method thereof | |
| CN208594947U (en) | Pipe jacking tunnelling machine is into mud discharging device | |
| CN206762449U (en) | Super fine sand recovery device and sand and water separating system | |
| CN216043597U (en) | Efficient skid-mounted drilling cutting ground-falling prevention system | |
| CN112390485A (en) | Integrated shield tunneling machine mud-water separation system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |