Slurry circulating device

Abstract

The utility model relates to the technical field of geological engineering cast-in-place pile construction, and discloses a slurry circulating device which comprises a settling pond excavated on the ground, one side of the settling pond is rammed to form a sand piling field, a circulating box is arranged on the other side of the settling pond, a sand removing machine is installed on the top of the circulating box, and a sand discharging port is formed in the top of the circulating box. An inlet of the sand removing machine is communicated with a fourth mud pump through a pipeline, the fourth mud pump is arranged in the sedimentation tank, and the multiple groups of circulating boxes are communicated in parallel through a cleaning mechanism. The slurry circulating device solves the problems that in the existing bentonite slurry circulating process, the treatment capacity for particulate matter in slurry is insufficient, natural precipitation is usually depended on, long-time waiting is needed, the repeated utilization rate of the slurry is low, the construction efficiency is affected, the discharge amount of slurry waste liquid is large, outward transportation treatment is needed, and the like. And the circulating system is in contact with the external environment and causes adverse effects on the environment.

Description

TECHNICAL FIELD

[0001] The utility model relates to geological engineering cast -in -place pile construction technical field, concretely is a mud circulating device. BACKGROUND

[0002] The pile is made of cast-in-place concrete or reinforced concrete, and after the pile is formed, bentonite slurry needs to be injected to form a thin and relatively stable mud skin attached to the hole wall, effectively preventing soil particles from entering the hole, thereby maintaining the stability of the hole wall and avoiding the occurrence of hole collapse. Meanwhile, the bentonite slurry also has the functions of carrying sand and cooling drilling tools. However, improper handling of bentonite can pollute the environment, so recycling bentonite slurry is of great significance.

[0003] However, the existing bentonite slurry recycling process has insufficient particle treatment capacity in the slurry, usually relies on natural sedimentation, and needs to wait for a long time, resulting in low reuse rate of the slurry, affected construction efficiency, large amount of slurry waste liquid discharge, need to be transported and treated, and the recycling system is in contact with the external environment and has adverse effects on the environment.

[0004] Therefore, there is an urgent need for a mud slurry recycling facility that is lower in cost, easy to install and can improve the utilization rate of bentonite. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a mud slurry recycling device to solve the problems mentioned in the background.

[0006] The utility model provides the following technical scheme: a mud slurry recycling device, comprising: a sedimentation tank excavated on the ground, one side of the sedimentation tank is rammed to form a sand piling field, the other side of the sedimentation tank is provided with a circulating box, the top of the circulating box is provided with a desander, the inlet of the desander is communicated with a fourth mud pump through a pipeline, the fourth mud pump is arranged in the sedimentation tank, a plurality of groups of the circulating box are provided, and the plurality of groups are connected in parallel through the setting of a cleaning mechanism;

[0007] The circulating box comprises six groups of parallel arranged box bodies, and the six groups of box bodies are three groups of mud slurry tanks and three groups of water storage tanks, respectively, a first mud pump and a water pump are arranged in the mud slurry tank and the water storage tank, respectively, and a plurality of groups are connected on the first mud pump and the water pump;

[0008] The first mud pump and the water pump are connected with a grouting mechanism and a water feeding mechanism, respectively, a mixer is arranged at the outlet of the water feeding mechanism, the mixer and the mud slurry tank are connected through a slurry feeding mechanism, an isolation cover is arranged at the outlet of the grouting mechanism, the isolation cover covers the grouting construction area, and a recovery mechanism is arranged between the isolation cover and the sedimentation tank.

[0009] Preferably, the circulating tank further comprises a movable platform installed on the top of the mud tank, the sand removing machine is arranged on the movable platform, a ladder is installed on the back of the circulating tank, and a platform at the top of the ladder is combined with the movable platform.

[0010] Preferably, the cleaning mechanism comprises a cleaning main pipe, a plurality of groups of interfaces are arranged on the cleaning main pipe, each group of interface is connected with the inlet, and a first valve is arranged at the connection position of the cleaning main pipe and the inlet.

[0011] Preferably, the grouting mechanism comprises a grouting main pipe, a plurality of groups of pipes are converged at one end of the grouting main pipe, the pipes before being converged are connected with the first mud pump, a second main valve is arranged on the grouting main pipe, and a plurality of groups of grouting pipes are branched out at the other end of the grouting main pipe, each group of the grouting pipes is inserted into the inside of the isolation cover, and a second valve is arranged on each group of the grouting mechanism.

[0012] Preferably, the recycling mechanism comprises a plurality of groups of converging pipes, one end of each group of the converging pipes is installed with a third mud pump and arranged in the inside of the isolation cover, the plurality of groups of the converging pipes are converged and connected with a recycling pipe, and the end of the recycling pipe is inserted into the sedimentation tank.

[0013] Preferably, the grout feeding mechanism comprises a grout feeding pipe, one end of the grout feeding pipe is installed with a second mud pump, the other end of the grout feeding pipe is branched out into a plurality of groups of grout distribution pipes, each group of the grout distribution pipes is inserted into the mud tank, and a grout suction pipe is installed at the inlet of the second mud pump and connected in the mixer.

[0014] Preferably, the water feeding mechanism comprises a water outlet pipe, one end of the water outlet pipe is connected in the mixer, the other end of the water outlet pipe is converged and connected with a plurality of groups of pipes connected with the inlet, and a first main valve is arranged on the water outlet pipe.

[0015] Preferably, the isolation cover comprises a cover body made of a 20mm-thick steel plate, the bottom of the cover body is arranged in an open mode, and an observation window is arranged at the center of the top of the cover body.

[0016] Compared with the prior art, the mud circulating device has the following beneficial effects:

[0017] 1. The mud circulating device accelerates the separation of particles in the mud, reduces the sedimentation time, improves the reusability of the mud, reduces the waste liquid discharge, avoids external handling, and thus increases the construction efficiency.

[0018] 2. The mud circulating device simultaneously collects the recycled mud in the sedimentation tank while the mud is generated by mixing the bentonite, and then the collected mud is mixed and used, so that the mud purification process is improved, the reusability of the bentonite is improved, the consumption of the bentonite is reduced, and the material waste is significantly reduced.

[0019] 3、 the mud circulating device, each structure of the circulating device adopts modular design, simple material is used, installation steps are reduced, installation and debugging time of the device is shortened, and the construction efficiency is improved.

[0020] 4、 the mud circulating device, through the recycling of mud, energy consumption is reduced, the pipeline is used for recycling the mud, meanwhile, the isolation cover is arranged to isolate the grouting part, the full-closed circulation of the mud is realized, the external environment is isolated, and the environmental protection effect is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 it is whole structure schematic view of the utility model;

[0022] Figure 2 it is circulating box and cleaning mechanism structure schematic view of the utility model;

[0023] Figure 3 it is grouting mechanism structure schematic view of the utility model;

[0024] Figure 4 it is recycling mechanism structure schematic view of the utility model;

[0025] Figure 5 it is grouting mechanism structure schematic view of the utility model;

[0026] Figure 6 it is grouting mechanism structure schematic view of the utility model;

[0027] Figure 7 it is isolation cover side sectional structure schematic view of the utility model.

[0028] In the drawing: 1, sedimentation tank;2, sand piling field;3, circulating box;31, mud tank;32, water storage tank;33, first mud pump;34, water pump;35, movable platform;36, ladder;4, cleaning mechanism;41, cleaning main pipe;42, first valve;5, water feeding mechanism;51, water outlet pipe;52, first main valve;6, grout feeding mechanism;61, grout feeding pipe;62, grout distribution pipe;63, second mud pump;64, grout suction pipe;7, grouting mechanism;71, grouting main pipe;72, second main valve;73, second valve;74, grout outlet pipe;8, recycling mechanism;81, flow collecting pipe;82, recycling pipe;83, third mud pump;9, sand removing machine;10, fourth mud pump;11, mixer;12, isolation cover;121, cover body;122, observation window. DETAILED DESCRIPTION

[0029] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.

[0030] Please refer to Figures 1-7 A mud circulating device, comprising: a sedimentation tank 1 excavated on the ground, one side of the sedimentation tank 1 is rammed to form a sand stacking field 2, the other side of the sedimentation tank 1 is provided with a circulating box 3, the top of the circulating box 3 is provided with a sand removing machine 9, the inlet of the sand removing machine 9 is communicated with a fourth mud pump 10 through a pipeline, the fourth mud pump 10 is arranged in the sedimentation tank 1, a plurality of groups 13 are arranged on the circulating box 3, and the plurality of groups 13 are connected in parallel by being provided with a cleaning mechanism 4, when the sedimentation tank 1 is used to sediment the recovered mud, the excavator is used to excavate the sediment in the sedimentation tank 1, and the excavated particles are stacked on the sand stacking field 2, so that the sedimentation tank 1 is quickly emptied to provide a circulating space, and the efficiency of circulating and treating mud is improved;

[0031] The circulating box 3 comprises six groups of parallel arranged box bodies, and the six groups of box bodies are three groups of mud boxes 31 and three groups of water storage boxes 32, respectively, and the mud boxes 31 and the water storage boxes 32 are respectively provided with first mud pumps 33 and water pumps 34 in the interiors, and the plurality of groups 13 are respectively connected on the first mud pumps 33 and the water pumps 34;

[0032] The first mud pumps 33 and the water pumps 34 are respectively connected with a grouting mechanism 7 and a water feeding mechanism 5 through the 13, the water feeding mechanism 5 is provided with a mixer 11 at the outlet, the mixer 11 and the mud box 31 are connected through a slurry feeding mechanism 6, the grouting mechanism 7 is provided with an isolation cover 12 at the outlet, the isolation cover 12 covers the grouting construction area, and the isolation cover 12 and the sedimentation tank 1 are connected through a recovery mechanism 8.

[0033] The circulating box 3 further comprises a movable platform 35 installed on the top of the mud box 31, the sand removing machine 9 is arranged on the movable platform 35, a crawling ladder 36 is installed on the back of the circulating box 3, the platform at the top of the crawling ladder 36 is spliced with the movable platform 35, the movable platform 35 and the crawling ladder 36 are arranged on the circulating box 3, so that the construction personnel can directly climb to the top of the circulating box 3 to operate various equipment, without the need to place all the equipment on the ground, thereby reducing the land occupation range of the device.

[0034] The cleaning mechanism 4 comprises a cleaning main pipe 41, a plurality of interfaces are arranged on the cleaning main pipe 41, each interface is connected with the 13, a first valve 42 is arranged at the connection position of the cleaning main pipe 41 and the 13, after the grouting is completed, the first main valve 52 on the water feeding mechanism 5 is closed, the clean water source in the water storage tank 32 can be directly fed into the grouting mechanism 7 by the cleaning mechanism 4, and then the pipeline of the grouting mechanism 7 can be quickly cleaned.

[0035] The grouting mechanism 7 comprises a grouting main pipe 71, a plurality of pipelines are converged at one end of the grouting main pipe 71, the pipelines before the convergence are connected with the first mud pump 33 through the 13, a second main valve 72 is arranged on the grouting main pipe 71, the other end of the grouting main pipe 71 is divided into a plurality of grouting pipes 74, each grouting pipe 74 is inserted into the isolation cover 12, and a second valve 73 is arranged on each grouting mechanism 7, the slurry in the slurry tank 31 is fed to a plurality of construction positions of the cast-in-place pile by the grouting mechanism 7, and the cast-in-place pile is injected at the same time, so that the construction efficiency is improved.

[0036] The recycling mechanism 8 comprises a plurality of convergence pipes 81, one end of each convergence pipe 81 is provided with a third mud pump 83 and arranged in the isolation cover 12, the plurality of convergence pipes 81 are converged and connected with a recycling pipe 82, and the end of the recycling pipe 82 is inserted into the sedimentation tank 1, in the process of the construction of the cast-in-place pile, the slurry waste is continuously generated, the recycling mechanism 8 can be used to extract and inject the slurry waste into the sedimentation tank 1, so that the recycling effect is achieved.

[0037] The slurry feeding mechanism 6 comprises a slurry feeding pipe 61, one end of the slurry feeding pipe 61 is provided with a second mud pump 63, the other end of the slurry feeding pipe 61 is divided into a plurality of slurry distribution pipes 62, the plurality of slurry distribution pipes 62 are inserted into the slurry tank 31, the inlet of the second mud pump 63 is provided with a slurry suction pipe 64, and the slurry suction pipe 64 is connected in the mixer 11, the bentonite slurry is continuously produced by the mixer 11 and fed into the slurry tank 31 through the slurry feeding mechanism 6, so as to be used for the construction of the cast-in-place pile.

[0038] The water feeding mechanism 5 comprises a water outlet pipe 51, one end of the water outlet pipe 51 is connected in the mixer 11, the other end of the water outlet pipe 51 is converged and connected with a plurality of pipelines connected with the 13, and the first main valve 52 is arranged on the water outlet pipe 51, the clean water source in the water storage tank 32 is continuously fed into the mixer 11 by the water feeding mechanism 5, so that the bentonite is mixed with the water in the mixer 11 to produce the slurry.

[0039] The isolation cover 12 comprises a cover body 121 made of a 20mm-thick steel plate, the bottom of the cover body 121 is provided in an open mode, a window 122 is arranged at the center of the top of the cover body 121, the construction position of the cast-in-place pile is covered by the isolation cover 12, the grouting and the discharge of the waste liquid are both carried out in the isolation cover 12, the situation that the slurry splashes everywhere is avoided, and the effect of protecting the environment is achieved.

[0040] The working principle is that when the wall protection grouting is carried out after the construction of the cast-in-place pile, a sedimentation tank 1 is dug near the construction site, a sand piling site 2 and a circulating tank 3 are arranged near the sedimentation tank 1, a sand removing machine 9 is installed on the circulating tank 3, then a cleaning mechanism 4, a water feeding mechanism 5, a slurry feeding mechanism 6, a grouting mechanism 7 and a recovery mechanism 8 are arranged in order, and a circulating system is formed between the arranged pipelines and the sedimentation tank 1, the circulating tank 3 and the sand removing machine 9 by using a mixer 11 and a isolation cover 12;

[0041] In the circulating process, the slurry deposited in the sedimentation tank 1 is pumped into the sand removing machine 9 by the fourth mud pump 10, then the slurry is put into a slurry tank 31 after the sand is removed by the sand removing machine 9, at the same time, the clean water in a water storage tank 32 is sent into the mixer 11 to mix with the bentonite by the water feeding mechanism 5, and the mixed slurry is sent into the slurry tank 31 to combine with the recovered slurry by the slurry feeding mechanism 6, then the slurry is sent to the construction site of the cast-in-place pile by the grouting mechanism 7, when the slurry waste liquid is generated, the waste liquid is pumped into the sedimentation tank 1 to deposit by the recovery mechanism 8, and the circulation is completed.

[0042] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A mud circulation device, characterized in that, Including: The sedimentation tank (1) is excavated on the ground, one side of the sedimentation tank (1) is rammed to form a sand stacking yard (2), the other side of the sedimentation tank (1) is provided with a circulating tank (3), the top of the circulating tank (3) is provided with a sand removing machine (9), the inlet of the sand removing machine (9) is communicated with a fourth mud pump (10) through a pipeline, the fourth mud pump (10) is arranged in the sedimentation tank (1), a plurality of groups (13) are arranged on the circulating tank (3), and the plurality of groups (13) are connected in parallel by being provided with a cleaning mechanism (4) and being connected; The circulating tank (3) comprises six groups of tank bodies arranged in parallel, and the six groups of tank bodies are three groups of mud tanks (31) and three groups of water storage tanks (32) respectively, the inside of the mud tank (31) and the water storage tank (32) is respectively provided with a first mud pump (33) and a water pump (34), and the plurality of groups (13) are respectively connected on the first mud pump (33) and the water pump (34); The first mud pump (33) and the water pump (34) are respectively connected with a grouting mechanism (7) and a water feeding mechanism (5) through (13), the outlet of the water feeding mechanism (5) is provided with a stirrer (11), the stirrer (11) and the mud tank (31) are communicated through a slurry feeding mechanism (6), the outlet of the grouting mechanism (7) is provided with an isolation cover (12), and the isolation cover (12) covers the grouting construction area, and a recovery mechanism (8) is arranged between the isolation cover (12) and the sedimentation tank (1).

2. A mud circulating device according to claim 1, wherein The circulating tank (3) further comprises a movable platform (35) installed on the top of the mud tank (31), the sand removing machine (9) is arranged on the movable platform (35), a crawling ladder (36) is installed on the back of the circulating tank (3), and the platform on the top of the crawling ladder (36) is spliced with the movable platform (35).

3. A mud circulating device according to claim 1, wherein The cleaning mechanism (4) comprises a cleaning main pipe (41), a plurality of interfaces are arranged on the cleaning main pipe (41), each interface is connected with the (13), and a first valve (42) is arranged at the connection position of the cleaning main pipe (41) and the (13).

4. The mud circulating device of claim 1, wherein The grouting mechanism (7) comprises a grouting main pipe (71), one end of the grouting main pipe (71) is a plurality of pipes converging, and the pipes before converging are connected with the first mud pump (33) through the (13), the grouting main pipe (71) is provided with a second main valve (72), the other end of the grouting main pipe (71) is divided into a plurality of groups of grout discharge pipes (74), each group of grout discharge pipes (74) penetrates into the inside of the isolation cover (12), and each group of grouting mechanisms (7) is provided with a second valve (73).

5. The mud circulating device of claim 1, wherein The recovery mechanism (8) comprises a plurality of groups of converging pipes (81), one end of each group of converging pipes (81) is provided with a third mud pump (83) and arranged in the inside of the isolation cover (12), a plurality of groups of converging pipes (81) are connected in parallel through a recovery pipe (82), and the end of the recovery pipe (82) penetrates into the sedimentation tank (1).

6. A mud circulating device according to claim 1, wherein The slurry feeding mechanism (6) comprises a slurry feeding pipe (61), one end of which is provided with a second mud pump (63), the other end of which is branched into a plurality of component slurry pipes (62) which are inserted into the mud tank (31), and the inlet of the second mud pump (63) is provided with a slurry suction pipe (64) which is connected to the mixer (11).

7. A mud circulating device according to claim 1, wherein The water feeding mechanism (5) comprises a water outlet pipe (51), one end of which is connected to the mixer (11), the other end of which is connected to a plurality of pipes (13) in a converging manner, and the water outlet pipe (51) is provided with a first main valve (52).

8. A mud circulating device according to claim 1, wherein The isolation cover (12) comprises a cover body (121) made of a 20mm-thick steel plate, the bottom of the cover body (121) is provided in an open manner, and a window (122) is formed in the center of the top of the cover body (121).

Images