CN109702897A - Intelligent vacuum circulation push grouting system - Google Patents

Abstract

A kind of intelligent vacuum circulating propelling type mud jacking system, the grout outlet of the high-speed stirred circulatory system stirs at low speed the bottom of barrel system, the installation site for forming pusher high-speed circulating system stirs at low speed the structure of barrel system, is pumped by the impeller in the pusher high-speed stirred circulatory system and externally conveys mud；The shaft of disc turbine is supported on the upper and lower two sides of impeller pump case vertically upwards, and the position that shaft is higher than disc turbine is fixed with propeller agitator；Several radially-arranged spoilers are fixed in the position at impeller pump case interior tapered bottom.Its advantage is that reducing the mounting height of the pusher high-speed stirred circulatory system, high-speed rotation is stablized, and weighing sensor measuring accuracy is high, and maintenance of clean-up is convenient；It realizes full-automatic slurrying, guarantee the quality of slurries, mud jacking output and dwell pressure stabilization and can detecte mud jacking amount, guarantee that slurry is full in duct, automatically record mud jacking process data, system automation degree is high, improves construction quality.

Description

Intelligent vacuum circulating propelling type mud jacking system

Technical field

The present invention relates to prestressing force stirring technique field, in particular to a kind of intelligent vacuum circulating propelling type mud jacking system.

Background technique

The position of traditional vacuum cycle mud jacking system, high-speed stirred bucket need to be higher than the position for stirring at low speed bucket, ability Guarantee that the mud that high-speed stirred bucket is prepared is able to stir at low speed bucket by the self weight inflow of mud, is pressed since traditional vacuum recycles The high speed bucket of slurry system is stirred in high position, under high-speed rotation, shake power it is big, cause it is unstable so that weighing sensor Measuring accuracy is poor, and maintenance of clean-up is also inconvenient；Grout outlet is flowed down from eminence, cannot be recycled, and slurry uniformity coefficient cannot be guaranteed, is seen It is also inconvenient to examine, and feeder stroke is also long next, and manufacture difficulty improves, and degree of deformation is difficult to control, and service life and durability reduce, cost It improves.

Summary of the invention

It is an object of the invention to provide one kind to realize full-automatic slurrying, ensure that the quality of slurries, while mud jacking is defeated Out and dwell pressure is stable and can detecte mud jacking amount, guarantees that slurry is full in duct, automatically records mud jacking process data, is System high degree of automation, reduces the uncertainty of manpower intervention, follows for improving the intelligent vacuum that construction quality has very great help Ring push type mud jacking system.

Solution of the invention is such that

A kind of intelligent vacuum circulating propelling type mud jacking system, including auger feeding machine, weighing sensor, pusher high-speed stirred are followed Loop system, three-way diverter valve stir at low speed a barrel system, electrical control system, tee joint vacuum valve, screw pump, vacuum pump, air inlet The grout outlet of valve, blowdown valve, the push type high-speed stirred circulatory system stirs at low speed the bottom of barrel system, is formed and is promoted The installation site of formula high-speed circulating system stirs at low speed the structure of barrel system, by the pusher high-speed stirred circulatory system Impeller pump externally conveys mud.

More specific technical solution is also: the impeller pump in the push type high-speed circulating system include impeller pump case and Disc turbine, the lower part of the impeller pump case are taper, and conical lower portion is provided with hole, installation in the downwardly projecting shell of tapping Disc turbine；The shaft of the disc turbine is supported on the upper and lower two sides of impeller pump case vertically upwards, and shaft is higher than disk whirlpool The position of wheel is fixed with propeller agitator；It is radially-arranged that several are fixed in the position at impeller pump case interior tapered bottom Spoiler；The bottom of the propeller agitator is located at the upper end of spoiler, and when forming propeller agitator rotation, slurry is pushed away To the structure of disc turbine；The impeller pump case is provided with loop head, and loop head connects loop head pipe；Disk is installed It is provided with outlet on the wall of turbine, exports connection outlet pipe；It is provided with three-way diverter valve, described three-way diverter valve one end connects out Mouth pipe, other end connecting conveying pipe road, effluent head connect inlet tube, so that reentering leaf from the fluid that three-way diverter valve flows out It is recycled in wheel pump.

Further: the height on the outside of the spoiler is greater than the height of inside, forms high outside and low outside structure.

It is further: the conical lower portion tapping of impeller pump case to be provided with water fender, the water fender is located at disk Between turbine and propeller agitator, the diameter of inner hole is less than the intracavity diameter of disc turbine.

It is an advantage of the invention that reducing the mounting height of the pusher high-speed stirred circulatory system, under high-speed rotation, shake Power is small, slow-roll stabilization, so that weighing sensor measuring accuracy is high, maintenance of clean-up is convenient；Full-automatic slurrying is realized, ensure that slurry The quality of liquid, while mud jacking exports and dwell pressure is stable and can detecte mud jacking amount, guarantees that slurry is full in duct, automatically Mud jacking process data is recorded, system automation degree is high, reduces the uncertainty of manpower intervention, has very for improving construction quality It is big to help.

Detailed description of the invention

Fig. 1 is structural schematic diagram of the invention.

Fig. 2 is the structural schematic diagram of the pusher high-speed stirred circulatory system 3.

Fig. 3 is the impeller pump configuration schematic diagram in the pusher high-speed stirred circulatory system 3.

Fig. 4 is the top view of Fig. 3.

Component detail in attached drawing are as follows: auger feeding machine 1, pusher high-speed circulating system 3, water tank 4, returns at weighing sensor 2 Slurry pipe 5, three-way diverter valve 7, grout outlet 8, stirs at low speed barrel system 9, sewage draining exit 10, electrical control system 11, threeway at water pump 6 Vacuum valve 12, return pipe 14, answers beam 15, screw pump 16, vacuum pump 17, grout outlet 18, intake valve 19, vacuum at sewage draining exit 13 in advance Tank 20, mud overflow valve 22, overfall mouth 23, disc turbine 3-1, water fender 3-2, spoiler 3-3, promotes blowdown valve 21 Formula blender 3-4, outlet 3-5, high speed stirrer motor 3-7, outlet 3-8, loop head pipe 3-9.

Specific embodiment

As shown in Figure 1, the present embodiment includes auger feeding machine 1, weighing sensor 2, pusher high-speed circulating system 3, water Case 4, water pump 6, three-way diverter valve 7, grout outlet 8, stirs at low speed barrel system 9, sewage draining exit 10, electrical control system 11 at return pipe 5 Tee joint vacuum valve 12, sewage draining exit 13, return pipe 14, in advance answer beam 15, screw pump 16, vacuum pump 17, grout outlet 18, intake valve 19, Vacuum tank 20, blowdown valve 21, mud overflow valve 22, overfall mouth 23 and data store and transmit system composition, and system is realized Full-automatic slurrying, ensure that the quality of slurries, while mud jacking output and dwell pressure are stable and can detecte mud jacking amount, protect Slurry is full in card duct, automatically records mud jacking process data, and system automation degree is high, reduces the uncertain of manpower intervention Property, have very great help for improving construction quality.

The grout outlet of the pusher high-speed stirred circulatory system 3 stirs at low speed the bottom of barrel system 9, is formed pusher high The installation site of the fast circulatory system 3 stirs at low speed the structure of barrel system 9, by the pusher high-speed stirred circulatory system 3 Impeller pump externally conveys mud.

As shown in Figure 2,3, 4, the lower part of the impeller pump case in the pusher high-speed circulating system 3 is taper, taper Bottom is provided with hole, installs disc turbine 3-1 in the downwardly projecting shell of tapping；The shaft of the disc turbine 3-1 is erected upwards The upper and lower two sides of impeller pump case are directly supported on, position of the shaft higher than disc turbine 3-1 is fixed with propeller agitator 3-4； Several radially-arranged spoiler 3-3 are fixed in the position at impeller pump case interior tapered bottom；The propeller agitator The bottom of 3-4 is located at the upper end of spoiler 3-3, when forming propeller agitator 3-4 rotation, pushes slurry to disc turbine 3-1 Structure；The impeller pump case is provided with loop head, and loop head connects loop head pipe 3-9；Disc turbine 3-1 is installed Wall on be provided with outlet 3-5, export 3-5 connection outlet pipe 3-8；It is provided with three-way diverter valve 7, the three-way diverter valve 7 one Connection outlet pipe 3-8, other end connecting conveying pipe road are held, effluent head connects inlet tube 3-9, so that flowing out from three-way diverter valve 7 Fluid reenter impeller pump in recycled；Height on the outside of spoiler 3-3 is greater than the height of inside, is formed high outside and low outside Structure；The conical lower portion tapping of impeller pump case is provided with water fender 3-2, the water fender 3-2 is located at disc turbine Between 3-1 and propeller agitator 3-4, the diameter of inner hole is less than the intracavity diameter of disc turbine 3-1, to prevent fluid upward Flowing.

The working principle of pusher high-speed circulating system 3 is: when work, propeller agitator 3-4 rotation, fluid is from paddle Top sucking, lower section are discharged with cylindric spiral shape, and fluid to container bottom returns to above paddle along wall surface again, form axial stream It is dynamic, by spoiler, whirlpool is prevented, then prevent the fluid into disc turbine 3-1 to be discharged upwards by water fender 3-2, so that Fluid into disc turbine 3-1 can only be discharged by exporting 3-5, and fluid is exported.

The course of work of pusher high-speed circulating system 3 are as follows: motor drives the blade of propeller agitator 3-4, forms axis Whirlpool is prevented to flowing, then by spoiler 3-3, then disc turbine 3-1 is flowed by water fender 3-3, is driven by disc turbine 3-1 Dynamic fluid is transported to outlet 3-8 from outlet 5, using reversal valve 3-6 control loop and discharge, by the slurry of reversal valve 3-6 Body flows down from eminence, is flushed to spoiler 3-3, is formed reflux shape rolling wave by resistance, when blanking disperses cement, reaches uniform Stirring；Due to being provided with slot below spoiler 3-3, overfall mouth rushes at bottom and is circulated by spoiler fluting, avoids a barrel bottom Precipitating and agglomeration, it is easy to clean.

The working principle of system shown in Figure 1 are as follows: when starting Automatic pulp making, system starting high speed stirrer motor 3-7, and according to The water of set amount 90% is charged first to pusher high speed and followed by the stirring match ratio that operator is arranged in touch screen, control water pump 6 Then loop system 3 starts auger feeding machine 1, the materials such as grouting agent, cement are added respectively according to touch screen setting value pusher High-speed circulating system 3.System timing is stirred two minutes, is finally started water pump 6 for the water of remaining set amount 10% and is added to propulsion Formula high-speed circulating system 3 is stirred for two minutes.Additional amount is three installed by the top of pusher high-speed circulating system 3 What weighing sensor 2 measured, programmable controller PLC reads the weight of pusher high-speed circulating system 3 in real time, judges that comparison adds Enter the water of pusher high-speed circulating system 3 or the gap of material and setting value, and when setting value will be reached, is added in material Span is from setting value there are also when 3~8kg, and the starting motor of discontinuity slows down addition speed, to be precisely controlled the cooperation of stirring Than ensure that the quality of slurries；The control method of intermittence starting motor are as follows: material additional amount apart from setting value there are also 3~ When 8kg, stop 1~2s of feeding motor, restart 0.1~0.2s of feeding motor, so that material is added speed and drops than normal speed Low 5~10 times, starts repeatedly, stops feeding motor, until material additional amount reaches setting value, then stop feeding motor.Stirring When time reaches setting value, touch screen display stirring is completed, and is crossed the slurries that by opening three-way diverter valve 7, stirring is completed and is arranged To stirring at low speed in barrel system 9.After the completion of stirring, slurries are not discharged to stir at low speed in barrel system 9 yet within more than 2 minutes, then touch Screen pop-up warning note operator is touched, prevents from stirring for a long time and size performance being caused to fail.

When starting vacuumizes, 17 electric motor starting of vacuum pump opens tee joint vacuum valve 12 for 23 access of overfall mouth and turns to vacuum Pump 17 simultaneously closes off blowdown valve 21, opens intake valve 19, and at this moment vacuum pump 17 only has this access of overfall mouth 23, vacuum pump Negative pressure pressure sensor on 17 can be detected, acquire the vacuum degree answered in beam 15 in advance.If vacuum degree reaches design requirement, then open Move automatic mud jacking.

Screw pump 16 by the slurries for stirring at low speed barrel system 9 from grout outlet 18 be transported to it is pre- answer in beam 15, grout outlet 18 It sets and pressure sensor is installed, 18 pressure of pressure sensor real-time detection grout outlet in slurries transmission process, when pressure is greater than When setting value, system gradually adjusts the opening of mud overflow valve 22, uninstalls pressure.When pressure is less than setting value, system Gradually adjustment mud overflow valve 22 is closed, and makes pressure rise, to have the function that constant pressure.It is also installed in grout outlet 18 One flow sensor, to calculate the volume that grout outlet 18 flows out slurries, the volume that grout outlet 18 flows out slurries is greater than or waits When answering empty theoretical volume in beam 15 in advance, system is judged as pre- and answers slurries in beam 15 full, then system is automatically closed very Sky pump 17 and intake valve 19, opening blowdown valve 21, cutting slurries enter the access of vacuum pump 17, and make slurries from 13 row of sewage draining exit Out.When the concentration of slurry of outflow is consistent with concentration of slurry in low speed bucket, tee joint vacuum valve 12 is closed, stirs at low speed slurries flow direction Bucket system 9 recycles slurries in pre- answer in beam 15.The starting of the reversion of vacuum pump 17 simultaneously, sucks the water in water tank 4, utilizes vacuum The water of 17 reversion discharge of pump rinses intake valve 19, vacuum tank 20, blowdown valve 21, and is discharged from sewage draining exit 13.When grout outlet 18 flows The volume of slurries, which is greater than or equal to twice, out is considered as circulation completion when answering empty theoretical volume in beam 15 in advance, then closes overfall mouth valve Door makes pre- answer keep certain pressure in beam 15, terminates until the dwell time of setting, completes mud jacking.

After the completion of use, grout outlet 18 and overfall mouth 23 are linked together with pipe, can both start automatic cleaning function, Complete key cleaning.The cleaning of one key includes cleaning step three times；First time cleaning step: system is by the water in water tank 4 by touch The setting value of screen is added in pusher high-speed circulating system 3, and programmable controller PLC passes through acquisition 2 data ratio of weighing sensor More pusher high-speed circulating system 3 weight judgement be added water number.After the completion of adding water, start high speed stirrer motor 3-7, Clear water circulation stirring in pusher high-speed circulating system 3, cleaning after a certain period of time, start second of cleaning step: opening three Water is discharged to barrel system 9 that stirs at low speed by grout outlet 8, opens screw pump 16 and mud overflow valve 22 by logical reversal valve 7, So that water is rinsed mud overflow valve 22, and returns to barrel system 9 that stirs at low speed, cleaning one from 22 pipeline of mud overflow valve After fixing time, start third time cleaning step: closing mud overflow valve 22, pass water through tee joint vacuum valve 12 and return to low speed Agitator system 9.Cleaning after a certain period of time, opens tee joint vacuum valve 12 and blowdown valve 21, closes intake valve, makes water from sewage draining exit 13 discharge, when the flow sensor of grout outlet 18 can not detection flows when, be judged as draining complete, complete cleaning.

System can be operated in local touch screen, and the wireless signal that computer connection equipment also can be used is operated, After the completion of mud jacking, system automatically save mud jacking record, and can by being saved or being printed in wireless signal transmission to computer, The data of mud jacking can also be uploaded to cloud server, more people is facilitated to check supervision.

Claims (4)

1. An intelligent vacuum circulation push-type grouting system, comprising an auger feeder (1), a load cell (2), a push-type high-speed stirring and circulation system (3), a three-way reversing valve (7), a low-speed Mixing barrel system (9), electrical control system (11) three-way vacuum valve (12), screw pump (16), vacuum pump (17), intake valve (19), sewage valve (21), special overflow valve for mud (22), characterized in that: the pulp outlet of the propelling high-speed stirring and circulating system (3) is lower than the bottom of the low-speed stirring barrel system (9), so that the installation position of the propelling high-speed circulating system (3) is lower than that of the low-speed stirring barrel system (9). The structure of the mixing tank system (9) is to transport the mud to the outside by the impeller pump in the propelling high-speed mixing and circulating system (3). 2. The intelligent vacuum circulation propulsion grouting system according to claim 1, characterized in that: the impeller pump in the propulsion high-speed circulation system (3) comprises an impeller pump casing and a disc turbine (3-1) , the lower part of the impeller pump casing is tapered, the bottom of the cone is provided with a hole, and a disc turbine (3-1) is installed in the casing protruding downward at the opening; the disc turbine (3-1) The rotating shaft of the impeller pump is vertically supported on the upper and lower sides of the impeller pump casing, and the propeller agitator (3-4) is fixed at the position where the rotating shaft is higher than the disc turbine (3-1). A number of radially distributed spoilers (3-3) are fixed at the position of the shaped bottom; the bottom of the push-type agitator (3-4) is located at the upper end of the spoiler (3-3), forming a push-type agitator When the device (3-4) rotates, the slurry is pushed toward the disk turbine (3-1); the impeller pump casing is provided with a circulation inlet, and the circulation inlet is connected to the circulation inlet pipe (3-9); An outlet (3-5) is arranged on the wall of the disk turbine (3-1), and the outlet (3-5) is connected to an outlet pipe (3-8); a three-way reversing valve (7) is arranged, and the three-way reversing One end of the valve (7) is connected to the outlet pipe (3-8), the other end is connected to the delivery pipe, and the overflow end is connected to the inlet pipe (3-9), so that the fluid flowing out from the three-way reversing valve (7) re-enters the impeller pump cycle inside. 3. The intelligent vacuum circulation propulsion grouting system according to claim 2, characterized in that: the height of the outer side of the spoiler (3-3) is greater than the height of the inner side, forming a structure of high outside and low inside. 4. The intelligent vacuum circulation propulsion grouting system according to claim 2, characterized in that: a water blocking plate (3-2) is provided at the opening of the conical bottom of the impeller pump casing, and the water blocking plate (3-2) is located between the disc turbine (3-1) and the propeller agitator (3-4), and the diameter of the inner hole is smaller than the diameter of the inner cavity of the disc turbine (3-1).