CN216968247U - Stirring pumping system of bentonite mud - Google Patents
Stirring pumping system of bentonite mud Download PDFInfo
- Publication number
- CN216968247U CN216968247U CN202121427118.4U CN202121427118U CN216968247U CN 216968247 U CN216968247 U CN 216968247U CN 202121427118 U CN202121427118 U CN 202121427118U CN 216968247 U CN216968247 U CN 216968247U
- Authority
- CN
- China
- Prior art keywords
- slurry
- frame
- storage
- control unit
- bentonite
- 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
Images
Landscapes
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
A stirring and pumping system for bentonite slurry comprises a top frame comprising a crown block, a middle bin frame comprising a plurality of storage bins, a slurry mixing cylinder, a slurry storage cylinder, a pumping unit, a plurality of water tanks, a control unit, a bottom frame of an air compressor, a conveyor comprising a plurality of feeding holes and discharging pipes, and a dust removal pipeline; the overhead travelling crane is arranged in the track of the top frame; the middle bin frame is fixedly arranged at the lower part of the top frame; the upper end surface of the middle cavity is provided with a filler window; the multiple storage bins are provided with discharge openings and pneumatic discharge mechanisms; the conveyer is arranged below the storage bins; the bottom frame is positioned below the middle bin frame; the slurry mixing cylinder and the slurry storage cylinder are fixedly arranged below the upper bracket and the lower bracket on the right side of the underframe after being provided with the weighing devices; the control unit operates the pumping system to inject the bentonite slurry into the trench of the underground diaphragm wall. The utility model has the characteristics of small occupied area, high working efficiency, integration of multiple functions and the like, improves the comprehensive physical property of the bentonite slurry, and meets the technical requirement of grouting to the groove in the construction of the underground continuous wall.
Description
Technical Field
The utility model belongs to the technical field of underground foundation construction, relates to a stirring pumping system, and particularly relates to a stirring pumping system for bentonite slurry.
Background
At present, along with the continuous expansion of construction projects such as building construction, highways, bridges, hydropower and the like, cement mixing piles, cement mixing pile walls, equal-thickness underground continuous walls and deep cement mixing methods use a large amount of cement conveying devices and pulping systems in the construction process, in the construction of the equal-thickness underground continuous walls, in order to improve the surface adhesive force of the inner wall of a groove body of the continuous wall, bentonite slurry is generally pumped into the groove body through a pumping system after the groove body is milled, the bentonite has strong hygroscopicity and expansibility, can absorb water with the volume of 8-15 times of the self volume, and the volume expansion can reach several times to 30 times; can be dispersed into gel and suspension in water medium, and the medium solution has certain viscosity, denaturation and lubricity. Therefore, the microstructure of the wall soil body of the underground continuous wall is effectively improved, the surface expansion of the wall of the underground continuous wall is accelerated, the stability of the wall of the underground continuous wall is maintained, and the local collapse of the wall of the underground continuous wall is prevented.
The pulping system in the prior art is generally suitable for the manufacture and pumping of common cement slurry and does not have the function of manufacturing bentonite slurry, so the prior pulping system needs to be improved or redesigned to meet the performance requirement of the bentonite slurry in the construction process of the underground diaphragm wall.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides a stirring and pumping system of bentonite slurry, which achieves the functions of high-speed stirring and pulping, low-speed stirring and storage and grouting of the bentonite slurry by improving the technology of a cement slurry system used in the construction process of the existing underground foundation, meets the performance requirements of the bentonite slurry in the construction process of an underground diaphragm wall, generates static pressure on the wall of the underground diaphragm wall to form a water-proof film, prevents the wall of the underground diaphragm wall from water seepage, and effectively improves the stability of the inner wall of the groove of the underground diaphragm wall.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
a bentonite slurry stirring and pumping system comprises a top frame with a crown block, a middle bin frame with a plurality of storage bins, a slurry stirring barrel with a stirring barrel driving part, a weighing device and a pneumatic slurry outlet valve, a slurry storage barrel with a storage barrel driving part and a weighing device, a pumping unit, a plurality of water tanks, a control unit, an underframe of an air compressor, a conveyor with a plurality of feeding ports and discharging pipes, and a dust removal pipeline;
the method is characterized in that:
the top frame is a framework structure body with a trapezoidal cross section, and the front oblique vertical surface and the rear oblique vertical surface of the top frame are formed by welding a plurality of chord members and a main rod in a crossed manner; the overhead travelling crane is arranged in a track of the top frame, and the track is arranged at the top of the top frame in a mode of protruding the outer side of the top frame;
the middle bin frame is a closed frame structure body and is fixedly arranged at the lower part of the top frame through a bolt; a filler window is arranged on the upper end surface of the middle cavity of the middle bin frame, and a pedal is arranged around the filler window; the storage bins are arranged below the middle cavity body in a straight line arrangement mode along the longitudinal direction of the middle bin frame, and each storage bin is provided with a discharge opening and a pneumatic discharge mechanism; the air compressor is connected to the pneumatic discharging mechanism through an air pipe, and the pneumatic discharging mechanism is operated by the control unit to open or close the discharging opening of each storage bin;
the conveyer is arranged below the storage bins of the middle bin frame, is fixedly installed with the discharge ports of the storage bins through the feed ports on the upper end surface of the conveyer and is supported on the left and right side supports of the middle bin frame; the discharge pipe of the conveyor is vertically arranged at the tail part of the conveyor, is positioned above the slurry mixing barrel, and is driven by the control unit to continuously discharge the bentonite entering the inner cavity of the conveyor into the slurry mixing barrel;
the dust removal pipeline is arranged along the outer wall of one side of the middle bin frame, the upper end of the dust removal pipeline is connected to one side of an inner cavity of the middle cavity, and the other end of the dust removal pipeline is connected with the external dust collection bin;
the bottom frame is positioned below the top frame and the middle bin frame and is fixedly installed with the middle bin frame through bolts;
the slurry mixing cylinder is fixedly arranged on an upper support on the right side of the underframe, and a plurality of weighing devices connected with the control unit are arranged between the slurry mixing cylinder and the upper support; the mixing drum driving part is fixedly arranged at the upper end part of the mixing drum, and an output shaft of the mixing drum driving part is fixedly provided with a stirring component; the control unit controls the stirring cylinder driving part of the slurry stirring cylinder and the stirring part thereof to rotate at a high speed, the stirring speed is 700-900rpm, the duration is 3-5min, and the bentonite and the water are fully and uniformly stirred to form bentonite slurry with a certain proportion of formula; the bottom of the slurry mixing cylinder is provided with a pneumatic slurry outlet valve, and bentonite slurry is placed into the slurry storage cylinder after the pneumatic slurry outlet valve is opened through operating the control unit;
the pulp storage barrel is fixedly arranged on a lower bracket on the right side of the underframe and is provided with a plurality of weighing devices connected with the control unit; the storage cylinder driving part is fixedly arranged at the upper end part of the pulp storage cylinder, and an output shaft of the storage cylinder driving part is fixedly provided with a stirring part; the control unit controls the storage barrel driving part of the slurry storage barrel and the stirring part thereof to rotate at low speed continuously, the stirring speed is 20-50rpm, and the bentonite slurry in the slurry storage barrel is sucked by the pumping unit;
the water tanks are arranged on the left side and the top of the inner cavity of the underframe and are connected above the slurry mixing drum through water pipes;
the control unit is positioned on one side of the inner cavity of the underframe, which is close to the water tank, and is respectively connected with the pneumatic discharging mechanism, the driving mechanism of the conveyor, the mixing cylinder driving part of the slurry mixing cylinder, the pneumatic slurry outlet valve, the slurry storage cylinder driving part of the slurry storage cylinder and the pumping unit at each storage bin through lines;
the air compressor conveys compressed air to the pneumatic unloading mechanism and the pneumatic slurry outlet valve through a pipeline;
the pumping unit is positioned in the center of the inner cavity of the underframe, and a pulp inlet and a pulp outlet of the pumping unit are respectively connected with an outlet end at the bottom of the pulp storage cylinder and an external pulp pipe; the control unit operates the pumping unit to pump the bentonite slurry pump into the trench of the underground diaphragm wall.
The present invention may be. The filling window of the middle cavity of the middle bin frame is provided with two movable doors which move along the longitudinal direction of the middle bin frame and then open the filling window.
Drawings
FIG. 1 is a front view of the mixing pumping system of the bentonite slurry of the present invention;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a top view of FIG. 1;
fig. 4 is a right side view of fig. 1.
Detailed Description
As shown in fig. 1-4, a bentonite slurry stirring and pumping system comprises a top frame 1 with a crown block 11, a middle bin frame 2 with a plurality of storage bins 21, a slurry mixing drum 31 with a mixing drum driving part 318, a weighing device 88 and a pneumatic slurry outlet valve 313, a slurry storage drum 32 with a storage drum driving part 328 and a weighing device 88, a pumping unit 33, a plurality of water tanks 34, a control unit 35, a bottom frame 3 of an air compressor 36, a conveyor 4 with a plurality of feed inlets 42 and discharge pipes 43, and a dust removal pipeline 5; wherein:
the top frame 1 is a framework structure body with a trapezoidal cross section, and the front oblique vertical surface and the rear oblique vertical surface of the top frame are formed by welding a plurality of chord members and a main rod in a crossed manner; the crown block 11 is placed in a rail 12 of the head frame 1, which is provided on the top thereof in such a manner as to protrude outside the head frame 1.
The middle bin frame 2 is a closed frame structure body and is fixedly arranged at the lower part of the top frame 1 through bolts; the upper end surface of the middle cavity 20 of the middle bin frame 2 is provided with a filler window 201, and a pedal 202 is arranged around the filler window; the packing window 201 of the middle cavity 20 of the middle bin frame 2 is provided with two movable doors 203, and the movable doors move along the longitudinal direction of the middle bin frame 2 to open the packing window 201. The filler window 201 is provided with two movable doors 203, and the two movable doors are closed after bentonite discharging is completed, so that safety accidents caused by falling of operators into the storage bin 21 can be prevented. The storage bins 21 are arranged below the middle cavity 20 in a straight line arrangement along the longitudinal direction of the middle bin frame 2, and each storage bin 21 is provided with a discharge port 212 and a pneumatic discharge mechanism 213 respectively; the air compressor 36 is connected to a pneumatic discharge mechanism 213 through an air pipe, and the pneumatic discharge mechanism 213 is operated by the control unit 35 to open or close the discharge port 212 of each storage bin 21.
The conveyor 4 is arranged below the storage bins 21 of the middle bin frame 2, is fixedly mounted with the discharge ports 212 of the storage bins 21 through the feed ports 42 on the upper end surface and is supported on the left and right side supports of the middle bin frame 2; the discharge pipe 43 of the conveyor 4 is vertically arranged at the tail part of the conveyor and is positioned above the slurry mixing barrel 31, and the conveyor 4 is driven by the control unit 35 to continuously discharge bentonite entering the inner cavity of the conveyor into the slurry mixing barrel 31.
The dust removal pipeline 5 is arranged along the outer wall of one side of the middle bin frame 2, the upper end of the dust removal pipeline is connected to one side of an inner cavity of the middle cavity 20, and the other end of the dust removal pipeline is connected with an external dust collection bin. In the bentonite unloading process, the dust removal system can be controlled by the control unit 35, dust powder raised in the middle bin frame is effectively collected through the dust removal pipeline 5, and the influence on the surrounding environment is reduced.
The bottom frame 3 is positioned below the top frame 1 and the middle bin frame 2 and is fixedly installed with the middle bin frame 2 through bolts. If necessary, the chassis 3 may be anchored to the ground to enhance its stability.
The mixing drum 31 is fixedly arranged on an upper bracket 311 on the right side of the underframe 3, and a plurality of weighing devices 88 connected with the control unit 35 are arranged between the mixing drum and the upper bracket 311; the mixing drum driving part 318 is fixedly arranged at the upper end part of the mixing drum 31, and an output shaft of the mixing drum driving part is fixedly provided with a mixing component; generally, when bentonite slurry is prepared, first, the amount of water is put into the mixing tank 31, and the amount of water put into the mixing tank is recorded and displayed on the display panel of the control unit 35. The control unit 35 operates the mixing drum driving part 318 of the slurry mixing drum 31 and the stirring part thereof to rotate at a high speed, the stirring speed is 700-900rpm, the duration is 3-5min, the bentonite and the water are fully and uniformly stirred to form bentonite slurry with a certain proportion formula, and the rapid swelling fermentation of the bentonite slurry is promoted; the bottom of the slurry mixing cylinder 31 is provided with a pneumatic slurry outlet valve 313, and the bentonite slurry is placed into the slurry storage cylinder 32 after the pneumatic slurry outlet valve 313 is opened through the operation control unit 35.
The pulp storage cylinder 32 is fixedly arranged on a lower bracket 321 at the right side of the underframe 3, and a plurality of weighing devices 88 connected with the control unit 35 are arranged on the pulp storage cylinder; the storage cylinder driving part 328 is fixedly arranged at the upper end part of the pulp storage cylinder 32, and the output shaft of the storage cylinder driving part is fixedly provided with a stirring part; the control panel of the control unit 35 displays the weight of the bentonite slurry in the slurry storage tank 32. The control unit 35 operates the slurry storage barrel driving part 328 of the slurry storage barrel 32 and the stirring part thereof to rotate at a low speed, wherein the stirring speed is 20-50rpm, until all bentonite slurry in the slurry storage barrel 32 is sucked by the pumping unit 33; the quality and the service performance of the bentonite slurry are ensured, the gel state of the bentonite slurry is kept, and the situations of solidification hardening and precipitation layering are prevented.
The water tank 34 is disposed at the left side and the top of the inner cavity of the bottom frame 3, and is connected to the upper side of the slurry mixing barrel 31 through a water pipe so as to mix the bentonite slurry after supplying water to the slurry mixing barrel 31.
The control unit 35 is located on one side of the inner cavity of the chassis 3 close to the water tank, and is connected with the pneumatic discharging mechanism 213, the driving mechanism of the conveyor 4, the mixing drum driving part 318 of the mixing drum 31, the pneumatic slurry outlet valve 313, the storage drum driving part 328 of the storage drum 32, and the pumping unit 33 at each storage bin 21 through lines. Various functions of the bentonite slurry stirring and pumping system are realized through a control program arranged in the control unit 35.
The air compressor 36 delivers compressed air to the pneumatic discharge mechanism 213 and the pneumatic slurry outlet valve 313 through pipelines; thus, under the action of the compressed air, the pneumatic discharging mechanism 213 is opened to discharge the bentonite in each storage bin 21 of the middle bin rack 2 to the inner cavity of the conveyor 4, and the pneumatic discharging mechanism 213 is closed to stop discharging the bentonite to the conveyor 4.
The pumping unit 33 is located in the center of the inner cavity of the bottom frame 3, and a pulp inlet and a pulp outlet of the pumping unit are respectively connected with an outlet end at the bottom of the pulp storage cylinder 32 and an external pulp pipe.
The stirring and pumping system for the bentonite slurry has the performance characteristics of stable and reliable work, small occupied area, high work efficiency, integration of multiple functions and the like, realizes the functions of high-speed stirring and pulping, low-speed stirring and storage and pumping of the bentonite slurry, generates static pressure on the wall of the underground continuous wall groove to form a water-proof membrane, adsorbs water on the inner wall of the underground continuous wall groove, prevents the water seepage of the underground continuous wall groove wall, effectively inhibits the integral or local collapse accident of the underground continuous wall groove, and ensures the construction safety of the underground continuous wall.
Claims (2)
1. A bentonite slurry stirring and pumping system comprises a top frame (1) with a crown block (11), a middle bin frame (2) with a plurality of storage bins (21), a slurry stirring barrel (31) with a stirring barrel driving part (318), a weighing device (88), a pneumatic slurry outlet valve (313), a slurry storage barrel (32) with a storage barrel driving part (328), a weighing device (88), a pumping unit (33), a plurality of water tanks (34), a control unit (35) and a bottom frame (3) of an air compressor (36), a conveyor (4) with a plurality of feeding holes (42) and discharging pipes (43), and a dust removal pipeline (5);
the method is characterized in that:
the top frame (1) is a frame structure body with a trapezoidal cross section, and the front and rear oblique vertical surfaces of the top frame are formed by welding a plurality of chord members and a main rod in a crossed manner; the overhead travelling crane (11) is arranged in a track (12) of the top frame (1), and the track is arranged on the top of the top frame (1) in a mode of protruding the outer side of the top frame;
the middle bin frame (2) is a closed frame structure body and is fixedly arranged at the lower part of the top frame (1) through bolts; a filler window (201) is arranged on the upper end face of the middle cavity (20) of the middle bin frame (2), and a pedal (202) is arranged around the filler window; the storage bins (21) are arranged below the middle cavity (20) in a straight line along the longitudinal direction of the middle bin frame (2), and each storage bin (21) is provided with a discharge opening (212) and a pneumatic discharge mechanism (213); the air compressor (36) is connected to a pneumatic discharging mechanism (213) through an air pipe, and the pneumatic discharging mechanism (213) is operated by the control unit (35) to open or close the discharging opening (212) of each storage bin (21);
the conveyer (4) is arranged below the storage bins (21) of the middle bin frame (2), is fixedly arranged with the discharge ports (212) of the storage bins (21) through a plurality of feed ports (42) on the upper end surface of the conveyer, and is supported on the left and right side supports of the middle bin frame (2); a discharge pipe (43) of the conveyor (4) is vertically arranged at the tail part of the conveyor, is positioned above the slurry mixing barrel (31), and is operated and driven by the control unit (35) to drive the conveyor (4) to continuously discharge bentonite entering the inner cavity of the conveyor into the slurry mixing barrel (31);
the dust removal pipeline (5) is arranged along the outer wall of one side of the middle bin frame (2), the upper end of the dust removal pipeline is connected to one side of an inner cavity of the middle cavity (20), and the other end of the dust removal pipeline is connected with an external dust collection bin;
the bottom frame (3) is positioned below the top frame (1) and the middle bin frame (2) and is fixedly mounted with the middle bin frame (2) through bolts;
the slurry mixing drum (31) is fixedly arranged on an upper support (311) on the right side of the bottom frame (3), and a plurality of weighing devices (88) connected with the control unit (35) are arranged between the slurry mixing drum and the upper support; the mixing drum driving part (318) is fixedly arranged at the upper end part of the mixing drum (31), and an output shaft of the mixing drum driving part is fixedly provided with a stirring component; the control unit (35) operates the mixing drum driving part (318) of the mixing drum (31) and the mixing part thereof to rotate at a high speed, the mixing speed is 700 and 900rpm, and the duration is 3-5min, so that the bentonite and the water are fully and uniformly mixed to form bentonite slurry with a certain proportion of formula; the bottom of the slurry mixing cylinder (31) is provided with a pneumatic slurry outlet valve (313), and bentonite slurry is placed into the slurry storage cylinder (32) after the pneumatic slurry outlet valve (313) is opened by operating the control unit (35);
the pulp storage barrel (32) is fixedly arranged on a lower bracket (321) on the right side of the underframe (3), and a plurality of weighing devices (88) connected with the control unit (35) are arranged on the pulp storage barrel; the storage cylinder driving part (328) is fixedly arranged at the upper end part of the pulp storage cylinder (32), and an output shaft of the storage cylinder driving part is fixedly provided with a stirring part; the control unit (35) operates the storage barrel driving part (328) of the slurry storage barrel (32) and the stirring part thereof to rotate at a low speed, wherein the stirring speed is 20-50rpm, until all bentonite slurry in the slurry storage barrel (32) is sucked by the pumping unit (33);
the water tank (34) is arranged on the left side and the top of the inner cavity of the bottom frame (3) and is connected above the slurry mixing barrel (31) through a water pipe;
the control unit (35) is positioned on one side of the inner cavity of the bottom frame (3) close to the water tank, and is respectively connected with the pneumatic discharging mechanism (213) at each storage bin (21), the driving mechanism of the conveyor (4), the mixing drum driving part (318) of the mixing drum (31), the pneumatic slurry outlet valve (313), the storage drum driving part (328) of the storage drum (32) and the pumping unit (33) through lines;
the air compressor (36) conveys compressed air to the pneumatic discharging mechanism (213) and the pneumatic slurry outlet valve (313) through pipelines;
the pumping unit (33) is positioned in the center of the inner cavity of the bottom frame (3), and a pulp inlet and a pulp outlet of the pumping unit are respectively connected with an outlet end at the bottom of the pulp storage barrel (32) and an external pulp feeding pipe; -operating a pumping unit (33) by means of the control unit (35) to pump bentonite slurry into the trench of the underground continuous wall.
2. The system for stirring and pumping bentonite slurry according to claim 1, characterized in that the filling window (201) of the middle cavity (20) of the middle bin frame (2) is provided with two movable doors (203) which open the filling window (201) after moving along the longitudinal direction of the middle bin frame (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121427118.4U CN216968247U (en) | 2021-06-25 | 2021-06-25 | Stirring pumping system of bentonite mud |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121427118.4U CN216968247U (en) | 2021-06-25 | 2021-06-25 | Stirring pumping system of bentonite mud |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216968247U true CN216968247U (en) | 2022-07-15 |
Family
ID=82339062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121427118.4U Active CN216968247U (en) | 2021-06-25 | 2021-06-25 | Stirring pumping system of bentonite mud |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216968247U (en) |
-
2021
- 2021-06-25 CN CN202121427118.4U patent/CN216968247U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110500108B (en) | Novel earth pressure balance shield machine and working method | |
| CN209323523U (en) | A kind of deep drilled shaft concrete pours device | |
| CN104373130A (en) | Muck pressure maintaining pumping device of earth pressure balance shield machine | |
| CN210685994U (en) | Novel earth pressure balance shield machine | |
| CN113352458A (en) | Preparation method of bentonite slurry | |
| CN216968247U (en) | Stirring pumping system of bentonite mud | |
| CN113290709A (en) | Stirring pumping system of bentonite mud | |
| CN112554891A (en) | Intelligent grouting device and method suitable for synchronous grouting and pressure flow linkage of shield tunnel | |
| CN204253047U (en) | A kind of balancing earth-pressure shielding machine dregs pressurize pumping installations | |
| CN214660172U (en) | Intelligent grouting device suitable for synchronous grouting and pressure flow linkage of shield tunnel | |
| CN201520976U (en) | Auto-traveling multifunctional wet spraying machine | |
| CN112282791B (en) | Quick grouting system for soil body tunnel | |
| CN203796282U (en) | Vehicular pulp shooting machine | |
| CN112443341A (en) | Movable grouting equipment | |
| CN113263628A (en) | Full-automatic foam concrete construction system of on-vehicle intelligence | |
| CN221391558U (en) | Pre-stirring fluid state solidified soil equipment | |
| CN112943955A (en) | Concrete is swift current valve for swift current to send perpendicularly | |
| CN216477336U (en) | Vertical shaft transverse passage deep hole grouting device for subway | |
| CN201521410U (en) | Auto-traveling concrete conveying pump | |
| CN105583953A (en) | Concrete truck mixer | |
| CN219691516U (en) | Small-displacement sand mixing pry for ground stress capacity expansion | |
| CN218027608U (en) | Construction device for grouting reinforcement of rock soil | |
| CN105643789B (en) | Prefabricated box culvert mould heart changer | |
| CN110259657B (en) | Mud paste pump | |
| CN219235686U (en) | Grouting machine for tunnel pipe shed |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |