CN218286094U - Clay paste slurry pulping system for curtain grouting - Google Patents

Abstract

The utility model discloses a clay paste slurry slurrying system for curtain grouting, which comprises a crushing feeding device, a primary slurrying device, an intermediate material pool, a secondary slurrying device and a water pool, wherein the crushing feeding device comprises a casing and a spiral feeding mechanism, the spiral feeding mechanism is provided with a plurality of crushing reamers, one end of the casing is provided with a feeding hopper, and the other end of the casing is provided with a discharging pipe; the primary pulping device comprises a tank body, a feed inlet, a discharge outlet and a liquid inlet, wherein the feed inlet is connected with a discharge pipe, the liquid inlet is communicated with a water tank through a water inlet pipe, the discharge outlet is communicated with an intermediate material tank through a material guide pipe, and a stirring mechanism is arranged in the tank body; a slurry stirring mechanism is arranged in the intermediate material tank, the structure of the second-stage slurry making device is the same as that of the first-stage slurry making device, and a material conveying pipe is arranged between the intermediate material tank and the liquid inlet of the second-stage slurry making device. The system has the advantages of reasonable structure, low input cost, good crushing effect, uniform stirring, continuous production, high efficiency and strong practicability.

Description

Clay paste slurry pulping system for curtain grouting

Technical Field

The utility model relates to a hydraulic engineering technical field, concretely relates to curtain is slurrying system with clay paste thick liquid in grout.

Background

The dam used for blocking water in the reservoir is mainly used for raising the water level of a river to form an upstream regulation reservoir, and the existing dam is generally constructed by firstly digging a foundation pit, then filling the foundation pit with soil and piling up the dam, and finally building concrete to form the dam. A dam of a nine-dragon reservoir located near a subvillage of a natural dam in West PingTown Town Yangtze district of Qujing City in Yunnan province is a rock-fill concrete gravity dam which consists of left and right bank non-overflow dam sections, flood discharge bottom hole dam sections and overflow surface hole dam sections, wherein the height of the top of the dam is 1921.6m, the width of the top of the dam is 7.0-17.0 m, the total length of the top of the dam is 227.4m, and the maximum height of the dam is 46.1m. Total reservoir capacity 496.81 ten thousand meters ₃ Controlling the area of the drainage basin to be 574km ² The junction project mainly comprises a dam, an overflow surface hole, a flood discharge bottom hole, a water delivery hole, a secondary dam and the like. In the construction process of the gravity dam, curtain grouting engineering is used as key engineering for water storage and power generation of the dam, curtain grouting is grouting slurry into cracks and pores of rock mass or soil layer to form a continuous water-blocking curtain so as to reduce seepage flow and osmotic pressure, and investigation proves that the left bank of the gravity dam mainly comprises limestone of a lower rock system swing group C1b, limestone of a middle system C2, oolitic limestone of an upper system C3, quartz sandstone of a lower beam mountain group P1l of a two-stack system, limestone of a haunching group P1q, and dolomite of an upper mud basin system grid group D3zThe method has the advantages that the geological conditions are complex, the geology is stratum breaking and steep dip fracture development, the grouting process is difficult to finish, repeated grouting, solidification waiting and hole sweeping are frequently performed for multiple times, the construction efficiency is low, and the injection quantity is large. However, the gravity dam needs to prepare enough clay paste before performing curtain grouting work to meet the construction requirement. Therefore, it is objectively needed to develop a clay paste slurry pulping system for curtain grouting, which has a reasonable structure, low investment cost, good use effect and high pulping efficiency.

Disclosure of Invention

An object of the utility model is to provide a rational in infrastructure, low, the excellent in use effect of input cost, slurrying efficient curtain are slurried with slurrying system of clay cream thick liquid for the grout.

The utility model aims at realizing the method, which comprises a crushing feeding device, a primary pulping device, an intermediate material tank, a secondary pulping device and a water tank, wherein the crushing feeding device comprises a casing and a spiral feeding mechanism horizontally arranged in the casing, the spiral feeding mechanism is provided with a plurality of crushing reamers, one end of the casing is provided with a feeding hopper, and the other end of the casing is provided with a discharging pipe communicated with the primary pulping device; the primary pulping device comprises a tank body, a feed inlet, a discharge outlet and a liquid inlet, wherein the feed inlet is connected with a discharge pipe, the liquid inlet is communicated with a water tank through a water inlet pipe, the discharge outlet is communicated with an intermediate material tank through a material guide pipe, a discharge valve is arranged on the discharge outlet, and a stirring mechanism is arranged in the tank body; a slurry stirring mechanism is arranged in the intermediate material tank, the structure of the second-stage slurry making device is the same as that of the first-stage slurry making device, a conveying pipe is arranged between the intermediate material tank and the liquid inlet of the second-stage slurry making device, and a conveying pump is arranged on the conveying pipe.

The system has the beneficial effects that: the crushing and feeding device can crush and feed raw clay, so that the stirring and crushing burden of the primary pulping device can be reduced, the pulping effect is improved, the crushed clay and water can be fully mixed by the primary pulping device, and under the stirring action of the stirring mechanism, the clay can be quickly dissolved in the water, so that the concentration of the prepared clay slurry is more uniform, and the prepared clay slurry is more stable in pulping; the arranged intermediate material pool is used for storing the prepared clay slurry, and the clay slurry is stirred by the slurry stirring mechanism, so that clay precipitation can be prevented, and the subsequent pulping work can be smoothly carried out; the second grade slurrying device that sets up is applicable to and mixes the slurrying with clay thick liquids and cement and sand, utilizes rabbling mechanism's stirring can let clay thick liquids and cement and sand intensive mixing, when improving mixed effect, has improved the efficiency of slurrying. To sum up, the utility model has the advantages that: the utility model has the advantages of rational in infrastructure, low in input cost, crushing effectual, stirring, production serialization, efficient, the practicality is strong, easily use widely.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the crushing and feeding device 1;

FIG. 3 is a schematic view of the first-stage pulping apparatus 2;

in the figure: 1-crushing feeding device, 11-machine shell, 12-crushing reamer, 13-feeding hopper, 14-discharging pipe, 15-crushing toothed roller, 16-discharging plate, 17-feeding shaft, 18-spiral conveying blade, 2-first-stage pulping device, 21-tank body, 22-feeding port, 23-discharging port, 24-liquid inlet port, 25-water inlet pipe, 26-feeding pipe, 27-stirring shaft, 28-stirring motor, 29-stirring rod, 210-stirring rod, 211-rod head, 212-bottom scraping plate, 213-connecting rod, 214-side wall scraping plate, 3-intermediate material tank, 31-transmission shaft, 32-stirring motor, 33-driving wheel, 34-driven wheel, 35-stirring paddle, 36-transmission belt, 37-driving bevel gear, 38-driven bevel gear, 39-transmission rod, 4-second-stage pulping device, 5-water tank, 6-feeding pipe, and 7-conveying pump.

Detailed Description

The following description of the present invention is provided with reference to the accompanying drawings, which are not intended to limit the present invention in any way, and all modifications and improvements made based on the teachings of the present invention belong to the protection scope of the present invention.

As shown in fig. 1-3, the utility model discloses a smash feeder 1, one-level slurrying device 2, intermediate bin 3, second grade slurrying device 4 and pond 5, smash feeder 1 includes casing 11 and the level sets up the spiral feed mechanism in casing 11 inside, be provided with a plurality of crushing reamers 12 on the spiral feed mechanism, the one end of casing 11 is provided with feeder hopper 13, and the other end is provided with discharging pipe 14 with one-level slurrying device 2 intercommunication, smashes feeder 1 and can carry out breakage and dosing feed to raw materials clay, can alleviate the broken burden of one-level slurrying device 2 stirring like this, improves the effect of slurrying; the primary pulping device 2 comprises a tank body 21, a feeding hole 22, a discharging hole 23 and a liquid inlet 24, wherein the feeding hole 22 is connected with a discharging pipe 14, the liquid inlet 24 is communicated with a water tank 5 through a water inlet pipe 25, the discharging hole 23 is communicated with an intermediate material tank 3 through a material guide pipe 26, a discharging valve is arranged on the discharging hole 23, a stirring mechanism is arranged in the tank body 21, and the primary pulping device 2 can be used for fully mixing crushed clay and water and can rapidly dissolve the clay in the water under the stirring action of the stirring mechanism, so that the concentration of the prepared clay slurry is more uniform, and the prepared clay slurry is more stable in pulping; be provided with in the middle material pond 3 and stir thick liquid mechanism, the middle material pond 3 of setting is used for saving the clay thick liquid that makes, utilizes to stir thick liquid mechanism and stirs the clay thick liquid, can prevent that the clay from deposiing, is convenient for going on smoothly of follow-up slurrying work, second grade slurrying device 4's structure is the same with one-level slurrying device 2's structure, be provided with conveying pipeline 6 between middle material pond 3 and second grade slurrying device 4's the inlet 24, be provided with delivery pump 7 on the conveying pipeline 6, second grade slurrying dress device 4 is used for mixing clay thick liquid and cement and sand and makes the thick liquid, and the stirring that utilizes rabbling mechanism can let clay thick liquid and cement and sand intensive mixing, when improving mixed effect, has improved the efficiency of slurrying.

The working process of the system is as follows: mined clay raw materials enter a shell 11 of the smashing and feeding device 1 through a feed hopper 13, the clay raw materials are moved towards a discharge pipe 14 by a spiral conveying mechanism, the clay raw materials are moved in the moving process of the clay raw materials, the clay raw materials can be smashed into powder by a rotary smashing reamer 12, the clay raw materials discharged from the discharge pipe 14 enter a tank body of a primary pulping device 2, at the moment, water in a water tank 5 is added into the tank body 21 through a liquid inlet 24 by utilizing a water inlet pipe 25, an agitating mechanism is opened, the agitating mechanism can agitate the clay raw materials and the water into clay slurry, the uniformly agitated clay slurry is discharged from a discharge port 23 and then enters a secondary pulping device 4 through a material guide pipe 26 to be stored, the clay slurry is stored in the secondary pulping device 3, the agitating mechanism can agitate the clay slurry with the clay slurry, the sedimentation is prevented, at the moment, a conveying pump 7 is opened, under the action of the conveying pump 7, the clay slurry in the intermediate pulping device 3 can be conveyed to the secondary pulping device 4 through the clay slurry curtain, and water and sand can be manufactured under the agitating mechanism, the clay slurry discharged through the clay slurry curtain 23. The system has the advantages of reasonable structure, low input cost, good crushing effect, uniform stirring, continuous production, high efficiency and strong practicability.

Further, the level is provided with two broken fluted rollers 15 in the feeder hopper 13, and 15 antiport of two broken fluted rollers just can carry out the breakage in advance to the clay raw materials, can improve the effect of slurrying like this, two lower flitchs 16 are installed to the symmetry articulated in the feeder hopper 13 of broken fluted roller 15 upside, are provided with the spring between every lower flitch 16 and the inner wall of feeder hopper 13, and the lower flitch can enough realize the feeding, can prevent again that the dust from overflowing.

Further, the spiral feeding mechanism comprises a feeding shaft 17 and spiral conveying blades 18 arranged on the feeding shaft 17, the crushing reamer 12 is arranged on the spiral conveying blades 18, a driver in transmission connection with the feeding shaft 17 is installed at one end of the casing 11, the driver is a gear transmission assembly driven by a motor, the driver drives the feeding shaft 17 to rotate, the feeding shaft 17 drives the spiral conveying blades 18 and the crushing reamer 12 to rotate in the rotating process, and the rotating spiral conveying blades 18 and the crushing reamer 12 can feed and crush clay.

Further, the stirring mechanism includes (mixing) shaft 27 and agitator motor 28, and agitator motor 28 is prior art, directly purchases the finished product according to the requirement of use, agitator shaft 27 is vertical to be installed in jar body 21, agitator motor 28 installs in the top of jar body 21 and is connected with the transmission of (mixing) shaft 27, multilayer puddler 29 is installed to equidistant from top to bottom on (mixing) shaft 27, and the quantity of every layer puddler 29 is 3 ~ 8, and many puddlers 210 are installed to crisscross arrangement on every puddler 29, and stick head 211 is all installed to the tip of every puddler 210, the cross-sectional shape of stick head 211 is the type of falling concave font structure, and bottom scraper blade 212 is installed through between the lower extreme of (mixing) shaft 27, and during the use, agitator motor 28 drives (mixing) shaft 27 and rotates, and agitator shaft 27 drives puddler 29, puddler 210 and stick head 211 at the pivoted in-process and rotate, and then just can stir clay raw materials and water and mix, and the mud after the stirring mixes just can be fast discharge from discharge gate 23 under the effect of bottom scraper blade.

Preferably low, in order to prevent the adhesion of clay ground paste in jar body 21, from top to bottom the symmetry install to 3 ~ 4 groups of connecting rod 213 on the (mixing) shaft 27 of superiors 'puddler 29 top and lower floor's puddler 29 below, be connected with lateral wall scraper blade 214 through buffer assembly between every upper and lower group connecting rod 213, lateral wall scraper blade 214 rotates along with puddler 29, can prevent the adhesion of clay ground paste on jar internal wall 31, buffer assembly's setting is when preventing lateral wall scraper blade 214 and jar body 21 inner wall contact, causes wearing and tearing each other, buffer assembly includes telescopic link and buffer spring, the tip of connecting rod 213 is installed flutedly, buffer spring suit is on the telescopic link, the one end of telescopic link is installed on lateral wall scraper blade 214, and the bottom at the recess is installed to the other end, and lateral wall scraper blade 214 can intermittent type nature and jar body 21 inner wall contact through buffer assembly's setting, can reduce like this and jar body 21 between wearing and tearing.

Further, the slurry stirring mechanism comprises a transmission shaft 31, a slurry stirring motor 32, a driving wheel 33 and a driven wheel 34, the slurry stirring motor 32 is in the prior art, a finished product motor can be directly purchased according to the use requirement, the transmission shaft 31 is horizontally and rotatably installed at the upper part in the intermediate material pool 3, a plurality of stirring paddles 35 are alternately installed on the transmission shaft 31, the driven wheel 34 is installed at one end of the transmission shaft 31, the slurry stirring motor 32 is installed above the intermediate material pool 3, the driving wheel 33 is installed on the output shaft of the slurry stirring motor 32, the driving wheel 33 is in transmission connection with the driven wheel 34 through a transmission belt 36, when in use, the stirring motor 32 drives the driving wheel 33 to rotate, the driving wheel 33 drives the driven wheel 34 to rotate through the transmission belt 36, and then drive transmission shaft 31 and stirring rake 335 to rotate, and pivoted transmission shaft 31 and stirring rake 35 stir the clay thick liquids, prevent the clay from deposiing, preferably, in order to increase the scope of stirring, improve the effect of stirring, a plurality of drive bevel gears 37 are installed at the interval on transmission shaft 31, the driven bevel gear 38 is installed in the meshing of the downside of every drive bevel gear 37, the transmission pole 39 is installed in the transmission of transmission on driven bevel gear 38, the stirring pole is arranged in an alternating manner on transmission pole 39, and the transmission shaft 31 is in the pivoted in-process, through the meshing rotation of drive bevel gear 37 and driven bevel gear 38, just can realize the rotation of transmission pole 39 and stirring pole, and then carries out the omnidirectional rotation to middle stock chest 3, avoids appearing the phenomenon at stirring dead angle, and the effect of stirring is better.

Claims (8)

1. The utility model provides a curtain is slurrying system with clay paste thick liquid in milk, includes smashes feeder (1), one-level slurrying device (2), middle material pond (3), second grade slurrying device (4) and pond (5), its characterized in that: the crushing and feeding device (1) comprises a casing (11) and a spiral feeding mechanism horizontally arranged in the casing (11), wherein a plurality of crushing reamers (12) are arranged on the spiral feeding mechanism, one end of the casing (11) is provided with a feed hopper (13), and the other end of the casing is provided with a discharge pipe (14) communicated with the primary pulping device (2); the primary pulping device (2) comprises a tank body (21), a feeding hole (22), a discharging hole (23) and a liquid inlet (24), wherein the feeding hole (22) is connected with a discharging pipe (14), the liquid inlet (24) is communicated with a water pool (5) through a water inlet pipe (25), the discharging hole (23) is communicated with the intermediate material pool (3) through a material guide pipe (26), a discharging valve is arranged on the discharging hole (23), and a stirring mechanism is arranged in the tank body (21); the pulping device is characterized in that a pulp stirring mechanism is arranged in the intermediate material tank (3), the structure of the second-stage pulping device (4) is the same as that of the first-stage pulping device (2), a material conveying pipe (6) is arranged between the intermediate material tank (3) and a liquid inlet (24) of the second-stage pulping device (4), and a conveying pump (7) is arranged on the material conveying pipe (6).

2. The clay paste pulping system for curtain grouting according to claim 1, wherein: the novel gear grinding machine is characterized in that two crushing tooth rollers (15) are horizontally arranged in the feeding hopper (13), two blanking plates (16) are symmetrically and hinged in the feeding hopper (13) on the upper side of the crushing tooth rollers (15), and springs are arranged between each blanking plate (16) and the inner wall of the feeding hopper (13).

3. The clay paste pulping system for curtain grouting according to claim 1, wherein: the spiral feeding mechanism comprises a feeding shaft (17) and spiral conveying blades (18) arranged on the feeding shaft (17), the crushing reamer (12) is arranged on the spiral conveying blades (18), and a driver in transmission connection with the feeding shaft (17) is installed at one end of the machine shell (11).

4. The clay paste slurry pulping system for curtain grouting according to claim 1, wherein the clay paste slurry pulping system comprises: stirring mechanism includes (mixing) shaft (27) and agitator motor (28), vertical the installing in jar body (21) of (mixing) shaft (27), agitator motor (28) are installed in the top of jar body (21) and are connected with (mixing) shaft (27) transmission, multilayer puddler (29) are installed to equidistant from top to bottom on (mixing) shaft (27), and the quantity of every layer of puddler (29) is 3 ~ 8, and crisscross arrangement installs many puddlers (210) on every puddler (29), and stick head (211) are all installed to the tip of every puddler (210), the cross sectional shape of stick head (211) is the structure of falling concave font, and bottom scraper blade (212) are installed between the lower extreme of (mixing) shaft (27) passes through.

5. The clay paste slurry pulping system for curtain grouting according to claim 4, wherein the clay paste slurry pulping system comprises: 3-4 groups of connecting rods (213) are symmetrically arranged on the upper and lower parts of the stirring shaft (27) above the stirring rod (29) at the uppermost layer and below the stirring rod (29) at the lowermost layer, and a side wall scraper (214) is connected between the upper and lower groups of connecting rods (213) through a buffer component.

6. The clay paste slurry pulping system for curtain grouting according to claim 5, wherein the clay paste slurry pulping system comprises: the buffer assembly comprises a telescopic rod and a buffer spring, a groove is arranged at the end part of the connecting rod (213), the buffer spring is sleeved on the telescopic rod, one end of the telescopic rod is arranged on the side wall scraper (214), and the other end of the telescopic rod is arranged at the bottom of the groove.

7. The clay paste slurry pulping system for curtain grouting according to claim 1, wherein the clay paste slurry pulping system comprises: stir thick liquid mechanism and include transmission shaft (31), stir thick liquid motor (32), action wheel (33) and follow driving wheel (34), transmission shaft (31) horizontal rotation installs the upper portion in middle stock chest (3), many stirring rake (35) are installed in the mistake on transmission shaft (31), install the one end at transmission shaft (31) from driving wheel (34), stir the top at middle stock chest (3) in thick liquid motor (32), action wheel (33) are installed on the output shaft of stirring thick liquid motor (32), pass through drive belt (36) transmission connection between action wheel (33) and the follow driving wheel (34).

8. The clay paste pulping system for curtain grouting according to claim 7, wherein: the slurry mixing device is characterized in that a plurality of driving bevel gears (37) are arranged on the transmission shaft (31) at intervals, a driven bevel gear (38) is arranged on the lower side of each driving bevel gear (37) in a meshed mode, a transmission rod (39) is arranged on each driven bevel gear (38) in a transmission mode, and slurry mixing rods are arranged on the transmission rods (39) in a staggered mode.

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