CN114748935A - Slurry recycling equipment of concrete mixing plant and slurry recycling process thereof - Google Patents

Abstract

The utility model provides a concrete mixing plant's thick liquid recovery plant and thick liquid recovery technology thereof, including washing the frame, grit separation conveyor, coarse sand separator, cyclone and pin-connected panel thick liquid holding vessel, wash the frame and be connected with grit separation conveyor, grit separation conveyor includes the one-level thick liquid pond, coarse sand separator is connected with the one-level thick liquid pond, be equipped with the second grade thick liquid pond in the coarse sand separator, cyclone and pin-connected panel thick liquid holding vessel, the second grade thick liquid pond is connected, pin-connected panel thick liquid holding vessel also is connected with the second grade thick liquid pond, this equipment can the efficient carry out quick recovery to the remaining concrete on the concrete truck, be convenient for improve the life of concrete truck, improve the utilization ratio of concrete, and the quality of the concrete thick liquid of retrieving through this device is more stable, further calculate the ratio when being convenient for follow-up use.

Description

Slurry recycling equipment of concrete mixing plant and slurry recycling process thereof

Technical Field

The invention belongs to the technical field of concrete slurry recycling equipment, and particularly relates to slurry recycling equipment of a concrete mixing plant and a slurry recycling process of the concrete mixing plant.

Background

In the concrete transportation process, the easy adhesion of concrete is in the agitated kettle and transport tank car, for keeping the agitated kettle, the cleanness of transport tank car inner chamber, before the concrete initial set, the content should be strong to clean, for preventing the concrete residue in inner chamber from to transporting, the concrete mass production in the stirring process from producing the influence, often need wash the capacity of equipment such as transport vechicle, agitated kettle, and carry out grit separation, the thick liquid is retrieved to the thick liquid after washing, thick liquid recovery unit's on the market at present thick liquid recovery effect is relatively poor, be unfavorable for follow-up carry out recycle to the thick liquid.

Disclosure of Invention

In view of the above disadvantages, the technical problem to be solved by the present invention is to provide a slurry recycling apparatus for a concrete mixing plant and a slurry recycling process thereof, which can efficiently and rapidly recycle the residual concrete on the concrete truck, thereby facilitating the improvement of the service life of the concrete truck and the improvement of the utilization rate of the concrete.

In order to solve the technical problems, the invention adopts the technical proposal that,

the utility model provides a concrete mixing plant's thick liquid recovery plant, including wash rack, grit separation conveyor, well sand separator, cyclone and pin-connected panel thick liquid holding vessel, wash the rack and be connected with grit separation conveyor, grit separation conveyor includes the one-level thick liquid pond, well sand separator is connected with the one-level thick liquid pond, be equipped with second grade thick liquid pond in the well sand separator, cyclone and pin-connected panel thick liquid holding vessel, second grade thick liquid pond are connected, pin-connected panel thick liquid holding vessel also is connected with the second grade thick liquid pond.

Further, grit separation conveyor still includes grit separator, grit conveyor and grit storehouse, grit separator and one-level thick liquid pond adaptation, and grit separator passes through grit conveyor and is connected with the grit storehouse.

Medium sand pool

Further, pin-connected panel thick liquid holding vessel includes the pin-connected panel jar body, the feed liquor subassembly, agitator subassembly and stirring control subassembly, the feed liquor subassembly, the agitator subassembly is installed respectively on the pin-connected panel jar body, the stirring control unit mount is internal at the pin-connected panel jar, and with the feed liquor subassembly, the agitator subassembly is connected, the pin-connected panel jar body includes the tank bottoms, pin-connected panel jar section of thick bamboo and cover, pin-connected panel jar section of thick bamboo is removable to be installed on the tank bottoms, the cover is installed on the pin-connected panel jar section of thick bamboo, the pin-connected panel jar section of thick bamboo includes a plurality of unit boards of assembling, it has mosaic structure to take shape on the pin-connected panel unit board, adjacent pin-connected panel unit board passes through mosaic structure interconnect.

Furthermore, the side wall of the assembled tank cylinder is fixedly connected with a service hole and a water drainage assembly, and the service hole and the water drainage assembly are arranged on different assembled cell plates.

Further, the subassembly that drains includes bleeder, drain, bleeder and overflow pipe, and drain fixed connection is on assembling the cell board, and drain fixed connection is on the drain, and the bleeder is connected with the drain, and the upper end of overflow pipe is connected on assembling the upper portion of cell board, the lower extreme and the bleeder connection of overflow pipe, and the bleeder is connected with second grade thick liquid pond.

Further, grit conveyor includes conveyer belt subassembly, conveyer belt support and direction roller assembly, and the conveyer belt unit mount is on the conveyer belt support, and the direction roller assembly includes upper end direction subassembly and lower extreme direction subassembly, upper end direction subassembly, lower extreme direction subassembly respectively with conveyer belt assembly adaptation.

Furthermore, including washing hopper subassembly and grit separation drum sieve, wash the hopper subassembly and be connected with the grit separation drum sieve, the grit separation drum sieve includes spiral discharge mechanism, cylinder screen cloth and cylinder frame, washes the hopper subassembly and is connected with the cylinder frame, and spiral discharge mechanism rotates and installs in the cylinder frame, and cylinder screen cloth fixed mounting is in spiral discharge mechanism's the outside, and with spiral discharge mechanism adaptation.

The sand-removing device comprises a spiral shell, an overflow shell and a medium sand pushing mechanism, wherein the medium sand pushing mechanism is rotatably installed on the spiral shell, the overflow shell is fixedly connected to the spiral shell, and a feeding pipe installing frame and a buffer tank are fixedly connected to the overflow shell.

Furthermore, the cyclone desander comprises a cyclone cylinder and a liquid outlet cover assembly, the liquid outlet cover assembly is fixedly mounted on the cyclone cylinder, the liquid outlet cover assembly comprises a liquid outlet flange and a cyclone liquid outlet pipe fitting, the cyclone liquid outlet pipe fitting is fixedly connected to the liquid outlet flange, a liquid outlet sleeve head is arranged at the end part of the cyclone liquid outlet pipe fitting, and the liquid outlet sleeve head is positioned in the cyclone cylinder.

A grout recovery process of grout recovery equipment of a concrete mixing plant comprises the following steps,

placing the cement tank truck to a flushing frame, flushing the cement tank truck, and enabling flushing fluid generated by flushing to flow into the sand-stone separation drum sieve through a flushing hopper assembly;

secondly, separating gravels by using a gravels separating drum sieve, feeding the large-grained gravels after sieving into a gravels bin by using a gravels conveying device, and enabling primary slurry formed after the gravels are separated to flow into a primary slurry pool;

thirdly, sending the primary slurry in the primary slurry tank into a medium sand separating device through a primary slurry pump, separating medium sand by the medium sand separating device and sending the separated medium sand into a medium sand tank, and sending the secondary slurry formed after the medium sand separation into a secondary slurry tank;

(IV) conveying the secondary slurry into a cyclone separator through a secondary slurry pump, and separating fine sand by the cyclone separator to form third-stage slurry;

dehydrating the separated fine sand by a dehydrating device, conveying the dehydrated fine sand into a temporary sand bin, and conveying liquid generated by dehydration into a secondary slurry pool;

conveying the three-stage slurry into an assembled slurry storage tank through a slurry pump, and regularly detecting the density and the value of the three-stage slurry in the tank body by a stirring control component in the assembled slurry storage tank;

Opening a water drain valve at the bottom of the assembled type slurry storage tank at regular time, and enabling sediments at the bottom of the assembled type slurry storage tank to flow back to the secondary slurry tank;

and (eighthly), recycling the slurry in the assembled slurry storage tank through proportion calculation.

The device has the advantages that the device can efficiently and quickly recover the residual concrete on the concrete truck, the service life of the concrete truck is prolonged, the utilization rate of the concrete is improved, the quality of the concrete slurry recovered by the device is more stable, and the calculation of the ratio during subsequent use is further facilitated.

Drawings

FIG. 1 is a schematic diagram of the present invention.

Fig. 2 is a schematic structural view of a modular slurry storage tank.

Fig. 3 is a top view of the can body with the can lid hidden.

Fig. 4 is a partial enlarged view at Z.

Fig. 5 is a schematic structural view of the assembled unit plate.

Figure 6 is a schematic view of the construction of a can lid.

Fig. 7 is a schematic structural view of a block slurry storage tank.

FIG. 8 is a schematic structural view of a blade assembly.

FIG. 9 is a schematic view of a half-section of the sand separator.

Fig. 10 is a schematic diagram of a drum screen construction.

FIG. 11 is a schematic view of a half-section of a sand separating drum screen.

FIG. 12 is a schematic view of the sand conveyor shown with the conveyor belt removed.

FIG. 13 is a side view of the sand transport device.

Fig. 14 is a partial enlarged view at Y.

FIG. 15 is a schematic view of the structure of the medium sand separating device.

Fig. 16 is a partial enlarged view at X.

FIG. 17 is a schematic view of the construction of a cyclone separator.

FIG. 18 is a schematic view of a half-section of a cyclone separator.

Fig. 19 is a partial enlarged view at W.

Detailed Description

The invention is further described below with reference to the accompanying drawings.

A slurry recycling device of a concrete mixing plant comprises a washing frame A for washing a cement tank truck, a sand-stone separation and conveying device for separating and conveying sand-stone, a medium sand separation device B for separating medium sand, a cyclone separator C for separating fine sand and a spliced slurry storage tank D for storing recycled three-level slurry, wherein the washing frame A is connected with the sand-stone separation and conveying device, washing liquid generated by washing is sent into the sand-stone separation device, the sand-stone separation and conveying device comprises a first-level slurry pool E for storing the first-level slurry after the sand-stone is removed, the medium sand separation device B is connected with the first-level slurry pool E, the first-level slurry in the first-level slurry pool E is sent into the sand-stone separation device B through a slurry pump, the medium sand is separated and conveyed into a medium sand pool J, a second-level slurry pool F is arranged in the medium sand separation device B for storing the second-level slurry after the medium sand is removed, cyclone C and pin-connected panel thick liquid holding vessel D, second grade thick liquid pond F is connected, the second grade thick liquid in the second grade thick liquid pond F is sent into cyclone C through the sediment stuff pump in, separate the fine sand, and send the tertiary thick liquid that the separation produced into in the pin-connected panel thick liquid holding vessel D, pin-connected panel thick liquid holding vessel D also is connected with second grade thick liquid pond F, be convenient for regularly send the precipitate in the pin-connected panel thick liquid holding vessel D into second grade thick liquid pond F, carry out fine sand separation once more, reduce the fine sand content in the pin-connected panel thick liquid holding vessel D, thereby guarantee recycle's tertiary thick liquid quality, calculate the ratio when being convenient for follow-up use.

And a spraying head K for washing is arranged on the washing frame A, and the cement tank truck is washed through the spraying head K to recover the participated concrete on the cement tank truck.

Grit separation conveyor still includes grit separator G, grit conveyor H and grit storehouse I, and grit separator G and one-level thick liquids pond E adaptation retrieve the one-level thick liquids to one-level thick liquids pond E in, and grit separator G passes through grit conveyor H and is connected with grit storehouse I.

The sand-stone separating device G comprises a washing hopper component 2-1 and a sand-stone separating rotary screen 2-2, the washing hopper component 2-1 is connected with the sand-stone separating rotary screen 2-2, the sand-stone separating rotary screen 2-2 comprises a spiral discharging mechanism 2-3, a rotary screen 2-4 and a rotary frame 2-5, the washing hopper component 2-1 is connected with the rotary frame 2-5, the spiral discharging mechanism 2-3 is rotatably arranged in the rotary frame 2-5, the rotary screen 2-4 is fixedly arranged at the outer side of the spiral discharging mechanism 2-3 and is matched with the spiral discharging mechanism 2-3, sand and stone can be conveniently washed in the discharging process through the arrangement of the washing hopper component 2-1, so that the sand and the stone can be separated and conveyed, and the sand can be conveniently separated by the subsequent rotary screen 2-4, improving the separation effect of sand and stone.

Flushing fluid formed by flushing the cement tank truck by the spray head K flows into the sand-stone separation rotary screen 2-2 through the flushing hopper component 2-1, so that sand and stone can be conveniently recovered.

The drum screen 2-4 divides the inner cavity of the drum rack 2-5 into a stone outlet cavity 2-6 and a sand water cavity 2-7, two ends of the stone outlet cavity 2-6 are respectively provided with a screening discharge port 2-8 and a stone outlet 2-9, the height of the stone outlet 2-9 is higher than that of the screening discharge port 2-8, one side of the sand water cavity 2-7 is provided with a sand outlet 2-10, the sand outlet 2-10 is used for being connected with a water suction pump, small-particle sand-water mixture is enabled to fall into the sand water cavity 2-7 through the drum screen 2-4, and then the sand water is pumped out from the sand water cavity 2-7 through the water suction pump, so that sand and stone are separated, and sand can be recycled conveniently.

The spiral discharging mechanism 2-3 comprises spiral blades 2-11, a discharging shaft 2-12 and a gravel discharging driving piece 2-13, the gravel discharging driving piece 2-13 is fixedly installed on the outer side of the roller frame 2-5, the discharging shaft 2-12 is rotatably installed in the gravel discharging cavity 2-6 and is connected with the gravel discharging driving piece 2-13, the spiral blades 2-11 are fixedly connected onto the discharging shaft 2-12 through a connecting shaft, the spiral blades 2-11 are spiral, and the discharging shaft 2-12 is transversely arranged, so that the gravel particles can be conveniently moved to the gravel outlet 2-9 from the screening discharging port 2-8.

In the embodiment, the sand discharging driving part 2-13 comprises a driving motor 2-22 and a motor rack 2-23, the motor rack 2-23 is fixedly installed on the roller rack 2-5, the driving motor 2-22 is installed on the motor rack 2-23, and the driving motor 2-22 is connected with the discharging shaft 2-12.

The discharging shaft 2-12 is obliquely arranged in the roller frame 2-5, preferably, the included angle between the discharging shaft 1-12 and the horizontal plane is 10-15 degrees, the oblique discharging shaft 2-12 is arranged, so that the helical blades 2-11 can conveniently feed large-particle stone materials, and the separated large-particle stone materials can be conveniently moved out of the device.

The drum screening net is provided with screening meshes, and the aperture of each screening mesh is 80-90mm, so that large-particle stone materials can be conveniently separated.

The high-pressure spray pipes 2-17 are fixedly connected in the roller frame 2-5, the high-pressure spray pipes 2-17 and the spiral discharging mechanism 2-3 are arranged in parallel, and the arrangement of the spray pipes 2-17 is convenient for further scouring the gravels in the roller frame 2-5, so that the adhesion amount of gravels on the surface of stones is reduced, and the separation efficiency of the equipment is further improved.

The washing hopper assembly 2-1 comprises a washing rack 2-18, a sand and stone hopper groove 2-19 and a sand and stone discharging barrel 2-20, the sand and stone hopper groove 2-19 is fixedly connected to the washing rack 2-18, the sand and stone hopper groove 2-19 is connected with the roller rack 2-5 through the sand and stone discharging barrel 2-20, and sand and stone can be conveniently moved into the sand and stone separation roller screen 2-2 through the arrangement of the sand and stone hopper groove 2-19.

The end part of one side of the sand and stone hopper groove 2-19 is fixedly connected with a flushing port 2-21, the flushing port 2-21 is used for being connected with a high-pressure water pipe, sand and stone can be washed and fed conveniently through the arrangement of the flushing port 2-21, sand and stone can be separated, the sand and stone can be conveyed into the sand and stone separating rotary screen 2-2, and the sand and stone can be separated conveniently through the subsequent sand and stone separating rotary screen 2-2.

The sand and stone hopper tanks 2-19 are obliquely arranged, the sand and stone discharging cylinders 2-20 are arranged at the end parts of the lowest sides of the sand and stone hopper tanks 2-19, and the material flushing ports 2-21 are arranged at the opposite sides of the sand and stone discharging cylinders 2-20, so that sand and stone can be conveniently flushed and fed.

The sand and stone conveying device comprises a conveying belt component 3-1, a conveying belt support 3-2 and a guide roller component 3-3, wherein the conveying belt component 3-1 is installed on the conveying belt support 3-2, the guide roller component 3-3 comprises an upper end guide component 3-4 and a lower end guide component 3-5, the upper end guide component 3-4 and the lower end guide component 3-5 are respectively matched with the conveying belt component 3-1, the edge of the conveying belt can be conveniently turned up through the arrangement of the upper end guide component 3-4, sand and stone can be prevented from falling from the edge of the conveying belt, and the conveying efficiency of the conveying device is improved.

The separated sand falls into the conveyor belt component 3-1 through the sand outlet 2-9, so that the separated sand is conveniently conveyed into the sand bin I through the conveyor belt component 3-1.

The upper end guide assembly 3-4 comprises a guide support 3-6, a first guide roller 3-7, a second guide roller 3-8 and a third guide roller 3-9, the first guide roller 3-7, the second guide roller 3-8 and the third guide roller 3-9 are respectively rotatably mounted on the guide support 3-6, the first guide roller 3-7 and the third guide roller 3-9 are respectively arranged on two sides of the second guide roller 3-8, the first guide roller 3-7 and the third guide roller 3-9 are obliquely arranged relative to the second guide roller 3-8, so that the second guide roller 3-8 is arranged in a concave manner, and the edge of the conveyor belt is turned up through the first guide roller 3-7 and the third guide roller 3-9, so that sand and stones are prevented from falling from the edge of the conveyor belt.

The guide support 3-6 comprises a base rod 3-10, end portion supporting seats 3-11 and middle portion supporting seats 3-12, the end portion supporting seats 3-11 and the middle portion supporting seats 3-12 are fixedly installed on the base rod 3-10 in pairs, two ends of the second guide roller 3-8 are rotatably connected with the middle portion supporting seats 3-12 respectively, two ends of the first guide roller 3-7 are rotatably connected with the end portion supporting seats 3-11 and the middle portion supporting seats 3-12 respectively, and the height of the middle portion supporting seats 3-12 is smaller than that of the end portion supporting seats 3-11, so that the guide rollers can be arranged in an inclined mode conveniently, and the edge of the conveying belt can be turned up.

The lower end guide assembly 3-5 comprises a lower end support seat 3-13 and a lower end guide roller 3-14 which are arranged downwards, the lower end support seat 3-13 is fixedly arranged on the conveyor belt support 3-2, the lower end guide roller 3-14 is rotatably arranged on the adjacent lower end support seat 3-13, and the lower end surface of the conveyor belt is guided by the lower end guide roller 3-14 so as to prevent the conveyor belt from interfering with the conveyor belt support 3-2.

The conveyor belt component 3-1 comprises a conveyor belt 3-15, and a driving pulley 3-16 and a driven pulley 3-17 for driving the conveyor belt 3-15, wherein the driving pulley 3-16 and the driven pulley 3-17 are installed on the conveyor belt bracket 3-2, and the conveyor belt 3-15 is matched with the upper end guide component 3-4 and the lower end guide component 3-5 so as to guide the upper end surface and the lower end surface of the conveyor belt 3-15.

The conveying belt support 3-2 comprises guide rail rods 3-18, driving wheel mounting rods 3-19 and limiting frames 3-20, driving belt wheels 3-16 are mounted on the adjacent driving wheel mounting rods 3-19 through bearing seats, the driving wheel mounting rods 3-19 are fixedly connected to the guide rail rods 3-18, the driving belt wheels 3-16 are mounted on the adjacent driving wheel mounting rods 3-19 through the bearing seats, the limiting frames 3-20 are fixedly mounted on the guide rail rods 3-18, sand and stones on the conveying belts 3-15 are further guided through the limiting frames 3-20, the sand and stones are further prevented from falling from the conveying belts 3-15, and conveying efficiency is improved.

The limiting frame 3-20 comprises limiting frame rods 3-21 and limiting baffles 3-22, the limiting baffles 3-22 are fixedly mounted on the guide rail rods 3-18 through the limiting frame rods 3-21, the limiting baffles 3-22 comprise vertical baffles 3-23 and inclined baffles 3-24, the vertical baffles 3-23 are fixedly mounted on the guide rail rods 3-18 through the limiting frame rods 3-21, the inclined baffles 3-24 are fixedly connected to the vertical baffles 3-23 and are matched with the upper end faces of the conveyor belts 3-15, and the inclined baffles 3-24 are arranged, so that the sand and stones can be guided in the dumping process and can be prevented from falling off from the conveyor belts.

The primary slurry is conveyed into a medium sand separating device through a slurry pump, the medium sand separating device comprises a spiral shell 4-1, an overflow shell 4-2 and a medium sand pushing mechanism 4-3, the medium sand pushing mechanism 4-3 is rotatably installed on the spiral shell 4-1, the overflow shell 4-2 is fixedly connected onto the spiral shell 4-1, a feeding pipe installation rack 4-4 and a buffer tank 4-5 are fixedly connected onto the overflow shell 4-2, a feeding pipe for feeding is conveniently installed on the separating device through the arrangement of a sand separating machine installation rack 4-4, the occupied area of the whole concrete recovery system is conveniently reduced, and through the arrangement of the buffer tank 4-5, the mixture to be separated entering the separating device can be buffered, the flow rate of the mixture is reduced, and the sand sedimentation efficiency is improved, prevent the sandstone from directly flowing out of the overflow port, thereby improving the recovery rate and the recovery efficiency of the medium sand.

The overflow shell 4-2 comprises a connecting shell 4-6, a sand separation installation piece 4-7 and a buffer installation piece 4-8, the connecting shell 4-6 is connected with the spiral shell 4-1, the sand separation installation piece 4-7 and the buffer installation piece 4-8 are fixedly connected to the connecting shell 4-6, the buffer box 4-5 is installed on the buffer installation piece 4-8, the feeding pipe installation frame 4-4 is installed on the sand separation installation piece 4-7, sand separation equipment can be conveniently installed through the sand separation installation piece 4-7, and the buffer box 4-5 can be conveniently installed through the buffer installation piece 4-8.

The sand separation mounting piece 4-7 comprises a sand separation fixing plate 4-9 and an overflow overhaul plate 4-10, the sand separation fixing plate 4-9 is fixedly connected to the connecting shell 4-6, the overflow overhaul plate 4-10 is rotatably mounted on the connecting shell 4-6 through a rotating shaft, the feeding pipe mounting frame 4-4 is fixedly mounted on the sand separation fixing plate 4-9, and the structure in the overflow shell 4-6 can be conveniently overhauled through the arrangement of the overflow overhaul plate 4-10.

The buffer mounting parts 4-8 comprise buffer cover nets 4-12, buffer supporting rods 4-13 are connected in pairs in the middle of the buffer cover nets 4-12, buffer inlets are formed between the adjacent buffer supporting rods 4-13, the buffer boxes 4-5 are fixedly mounted on the adjacent buffer supporting rods 4-13, and through the arrangement of the buffer supporting rods 4-13, the strength of the buffer mounting parts 4-8 is improved conveniently, and the mounting stability of the buffer boxes 4-5 is guaranteed.

A slurry overflow port 4-15 is formed on the side wall of the connecting shell 4-6, so that the upper layer liquid which does not contain large-particle sand stones in the overflow shell 4-2 can overflow conveniently.

The distance between the sand separating installation part 4-7 and the overflow port 4-15 is smaller than the distance between the buffer installation part 4-8 and the overflow port 4-15, the distance between the buffer installation part 4-8 and the overflow port 4-15 is increased, large-particle sand in the mixture can be further stored, the sand is prevented from directly flowing out through the overflow port 4-15, and the recovery rate of the medium sand is improved.

The medium sand pushing mechanism 4-3 comprises a medium sand pushing paddle 4-16 and a pushing motor 4-17, the medium sand pushing paddle 4-16 is rotatably installed in the spiral shell 4-1, and the pushing motor 4-17 is connected with the medium sand pushing paddle 4-16 through a belt pulley to drive the medium sand pushing paddle 4-16 to rotate.

The spiral shell 4-1 comprises a spiral cylinder 4-18 and a spiral cover net 4-19, the overflow shell 4-2 and the spiral cover net 4-19 are respectively and fixedly installed on the spiral cylinder 4-18, the medium sand propelling paddle 4-16 is rotatably installed in the spiral cylinder 4-18, and the working condition of the medium sand propelling paddle 4-16 can be conveniently observed through the arrangement of the spiral cover net 4-19.

The end part of the spiral cylinder 4-18 is fixedly connected with a stirring paddle flange 4-20 and an overhaul flange 4-21, the medium sand propelling paddle 4-16 is rotatably connected with the stirring paddle flange 4-20 to facilitate the installation of the medium sand propelling paddle 4-16, and the overhaul flange 4-21 is arranged below the stirring paddle flange 4-20 to facilitate the overhaul of parts in the spiral cylinder 4-18.

The side wall of the spiral shell 4-1 is fixedly connected with a guardrail component, the guardrail component comprises guardrails 4-22 and a ladder stand 4-23, the guardrails 4-22 are fixedly connected with the spiral shell 4-1, and the ladder stand 4-23 is connected with the guardrails 4-22, so that a user can conveniently check the separation device.

The cyclone desander is arranged on one side of the medium sand separating device through the desander mounting frame, so that the floor area of the equipment can be reduced, and the rationality of land use is improved.

A cyclone desander comprises a cyclone cylinder 5-1 and a liquid outlet cover assembly 5-2, wherein the liquid outlet cover assembly 5-2 is fixedly arranged on the cyclone cylinder 5-1, the liquid outlet cover assembly 5-2 comprises a liquid outlet flange 5-14 and a cyclone liquid outlet pipe 5-4, the cyclone liquid outlet pipe 5-4 is fixedly connected on the liquid outlet flange 5-14, a liquid outlet sleeve head 5-6 is arranged at the end part of the cyclone liquid outlet pipe 5-4, the liquid outlet sleeve head 5-6 is positioned in the cyclone cylinder 5-1, by arranging the liquid outlet sleeve head 5-6 on the cyclone liquid outlet pipe 5-4, the liquid backflow direction at the inlet of the cyclone liquid outlet pipe 5-4 is properly changed, large-particle fine sand is further prevented from being sucked into the cyclone liquid outlet pipe 5-4 by mistake, and the separation effect of the device is further ensured.

The upper end face of the cyclone cylinder 5-1 is fixedly connected with a connecting flange 5-15, and the liquid outlet flange 5-14 is fixedly connected with the connecting flange 5-15, so that the liquid outlet cover assembly 5-2 can be conveniently disassembled and assembled, and the liquid outlet sleeve head 5-6 can be conveniently cleaned.

The cyclone liquid outlet pipe fitting 5-4 comprises a slurry recovery pipe 5-7 and a liquid outlet sleeve head 5-6, the slurry recovery pipe 5-7 is fixedly connected to the cyclone cylinder 5-1, the liquid outlet sleeve head 5-6 is fixedly connected to the end part of the slurry recovery pipe 5-7, the liquid outlet sleeve head 5-6 is positioned in the cyclone cylinder 5-1, the liquid backflow direction of the slurry recovery pipe 5-7 is changed through the liquid outlet sleeve head 5-6, large-particle fine sand is prevented from being sucked into the cyclone liquid outlet pipe fitting 5-4 by mistake, and the separation effect of the device is further ensured.

The liquid outlet sleeve head 5-6 comprises a pipe connecting ring 5-8, a flow baffle plate 5-9 and a connecting bolt 5-10, the pipe connecting ring 5-8 is fixedly connected to the end part of the slurry recovery pipe 5-7, the flow baffle plate 5-9 is fixedly connected to the pipe connecting ring 5-8 through the connecting bolt 5-10, and the arrangement of the flow baffle plate 5-9 prevents fine sand at the position of the rotational flow liquid inlet pipe 5-3 from being directly sucked into the rotational flow liquid pipe 5-4, so that the separation effect of the device is ensured.

The flow baffle 5-9 is conical, the pipe connecting ring 5-8 and the flow baffle 5-9 are arranged in parallel, an upward backflow gap 5-11 is formed between the pipe connecting ring 5-8 and the flow baffle 5-9, fine sand entering the separation device sinks in the middle of the cyclone cylinder 5-1 under the action of liquid acting force of cyclone and gravity, the content of the fine sand in slurry is very low above the cyclone cylinder 5-1, and the fine sand can further sink through the arrangement of the backflow gap 5-11 with an upward opening, so that the separation effect of the device is ensured.

Locking nuts 5-16 are installed on the connecting bolts 5-10 in pairs, the locking nuts 5-16 are installed on two sides of the flow baffle plates 5-9 respectively, and the flow baffle plates 5-9 are fixedly installed on the connecting bolts 5-10 through the locking nuts 5-16.

The cyclone cylinder 5-1 comprises a liquid outlet part 5-12 and a cyclone part 5-13, the side wall of the cyclone part 5-13 is fixedly connected with a cyclone liquid inlet pipe 5-3, and the bottom surface of the cyclone part 5-13 is fixedly connected with a cyclone discharge pipe 5-5.

The cyclone liquid inlet pipe 5-3 is tangent to the cyclone part 5-13, the liquid outlet sleeve head 5-6 is higher than the cyclone liquid inlet pipe 5-3, and through the arrangement of the tangent cyclone liquid inlet pipe 5-3, when the liquid to be separated enters the cyclone cylinder 5-1, cyclone can be formed, the cyclone mechanism 5-2 is not required to be driven, the cyclone separation can be directly carried out, and the separation efficiency of the liquid to be separated is improved.

The cyclone part 5-13 is arranged in a conical shape, the cyclone mechanism 5-2 is matched with the cyclone part 5-13, and the conical cyclone part 5-13 facilitates the liquid to be separated to form cyclone so as to separate the fine sand.

The shaft diameter of the rotational flow discharging pipe 5-5 is smaller than the diameter of the bottom of the rotational flow part 5-13, so that the excessive water yield caused by the excessive pipe diameter of the rotational flow discharging pipe 5-5 is prevented.

The liquid inlet component 1-1 and the stirrer component 1-2 are respectively installed on the assembled tank body, the stirring control component is installed in the assembled tank body and is connected with the liquid inlet component 1-1 and the stirrer component 1-2, the stirrer component 1-2 is controlled to work through the stirring control component to ensure the uniformity of slurry in the tank body, and the tank body is set into an assembled structure, so that the tank body component is convenient to move, and the transportation difficulty of the tank body is reduced.

The stirring control assembly comprises a concentration control part 1-3 and a pH control part 1-4, the concentration control part 1-3 is connected with the stirrer assembly 1-2, the pH control part 1-4 is connected with the liquid inlet assembly 1-1 and the stirrer assembly 1-2, the stirrer assembly 1-2 is controlled to rotate through the concentration control part 1-3, large particle matters in the slurry are prevented from being deposited, the concentration of the slurry in the storage tank is enabled to be uniform, the pH value of the slurry in the storage tank is controlled through the pH control part 1-4, and the subsequent treatment of the slurry in the storage tank is facilitated.

The stirrer component 1-2 comprises a stirring paddle 1-5, a stirring motor 1-6 and a stirring connector 1-7, wherein the stirring motor 1-6 is fixedly connected with the stirring paddle 1-5 through the stirring connector 1-7, and the operation stability of the stirrer component 1-2 is improved conveniently through the arrangement of the stirring connector 1-7.

The stirring paddles 1-5 comprise stirring shafts 1-8 and blade assemblies, a plurality of blade assemblies are installed on the stirring shafts 1-8, the distance between every two adjacent blade assemblies is increased from bottom to top, the sinking speed of large-particle sediments is high, correspondingly, the stirring force required by the bottom is relatively large, the distance between the blade assemblies located below is set to be small, the upward rotating force of stirring is improved, and therefore the phenomenon that the concentration of slurry in the storage tank is divided is avoided.

In this embodiment, the distance between the bottommost slurry component and the bottom of the tank body is 10-20cm, so that the slurry deposited at the bottom can be stirred sufficiently.

The paddle component comprises stirring blades 1-9 and blade connectors 1-10, the stirring blades 1-9 are fixedly mounted on the stirring shaft 1-8 through the blade connectors 1-10, the stirring blades 1-9 are obliquely arranged relative to the horizontal plane, and the oblique stirring blades 1-9 are arranged, so that the stirring paddles can generate an upward rotating force on the slurry, and the concentration of the slurry in each position in the storage tank is ensured to be the same.

The blade connector 1-10 comprises a connecting sleeve 1-11, a blade rib plate 1-12 and a reinforcing rib plate 1-13, the blade rib plate 1-12 is fixedly connected to the connecting sleeve 1-11, the reinforcing rib plate 1-13 is respectively connected with the connecting sleeve 1-11 and the blade rib plate 1-12, and through the arrangement of the blade rib plate 1-2, the strength of the blade connector 1-10 is improved conveniently, and the service life of the blade connector 1-10 is prolonged.

The stirring connector 1-7 comprises a stirring support 1-14 and a connecting shaft 1-15, the connecting shaft 1-15 is rotatably mounted on the stirring support 1-14 through a bearing, and the operation stability of the stirrer component 1-2 is improved conveniently through the arrangement of the stirring support 1-14.

The liquid inlet component 1-1 comprises a purified water input part and a slurry input part, the purified water input part and the slurry input part are connected with a PH control part 1-4, the purified water input part comprises a purified water pump 1-16 and a purified water pipe 1-17, the purified water pipe 1-17 is connected with the purified water pump 1-16, the slurry input part comprises a slurry pump 1-18 and a slurry pipe 1-19, the slurry pipe 1-19 is connected with the slurry pump 1-18, the purified water pump 1-16 and the slurry pump 1-18 are both connected with the PH control part 1-4, when the PH control part 1-4 detects that the concentration of the slurry is lower, the slurry pump 1-18 is driven to supplement washing and recycling liquid to the stirring tank 1-20 to increase the concentration of the slurry, when the PH control part 1-4 detects that the concentration of the slurry is higher, the purified water pump 1-16 is driven to supplement clean water to the stirring tank 1-20, the slurry concentration is reduced.

The concentration control part 1-3 comprises a plurality of concentration detectors, the pH control part 1-4 is a pH sensor, the stirring device is installed on the stirring tank 1-20, the concentration detectors are uniformly distributed on the inner wall of the stirring tank 1-20 along the height direction of the stirrer component 1-2, and the detection frequency of the concentration detectors and the pH sensor is not lower than 1 time/second.

Including tank bottoms 1, pin-connected panel jar section of thick bamboo 2 and cover 3, pin-connected panel jar section of thick bamboo 2 is removable installs on tank bottoms 1, cover 3 is installed on pin-connected panel jar section of thick bamboo 2, pin-connected panel jar section of thick bamboo 2 includes a plurality of unit boards 4 of assembling, it has mosaic structure to take shape on the unit board 4 of assembling, adjacent unit board 4 of assembling passes through mosaic structure interconnect, tank bottoms 1 through the pin-connected panel, pin-connected panel jar section of thick bamboo 2, the setting of cover 3, be convenient for produce jar body part, and be convenient for remove jar body part, reduce the transportation degree of difficulty of jar body.

In the embodiment, in order to facilitate transportation of the assembled tank 2, the arc length of the assembled unit plates 4 is less than 2.5 meters in the actual production process.

The splicing structure comprises a first splicing plate 5 and a second splicing plate 6, the first splicing plate 5 and the second splicing plate 6 are respectively welded on two sides of each splicing unit plate 4, the first splicing plates 5 and the second splicing plates 6 of the adjacent splicing unit plates 4 are mutually connected, splicing is conveniently carried out on the splicing type tank cylinder 2 through the arrangement of the first splicing plates 5 and the second splicing plates 6, and the assembling efficiency is improved.

Fixedly connected with location axle 7 on the first splice plate 5, take shape on the second splice plate 6 to have constant head tank 8, location axle 7 and constant head tank 8 adaptation through the setting of location axle 7, constant head tank 8, are convenient for carry out fixed mounting to adjacent unit board 4 of assembling, improve on-the-spot efficiency of assembling.

Bolt holes 9 are formed in the first splicing plate 5 and the second splicing plate 6 respectively, and the bolt holes 9 are used for installing fixing bolts, so that adjacent splicing unit plates 4 can be fixedly connected conveniently.

A vertical sealing strip 10 is clamped between the first splicing plate 5 and the second splicing plate 6, and the sealing performance of the splicing position is facilitated through the arrangement of the vertical sealing strip 10.

Fixedly connected with mounting flange board 11 on the lower terminal surface of concatenation cell board 4, mounting flange board 11 and tank bottoms 1 adaptation, be convenient for concatenation cell board 4 and 1 fixed connection of tank bottoms, press from both sides between mounting flange board 11 and the tank bottoms 1 and be equipped with annular sealing strip 12, improve the leakproofness of concatenation department, all take shape tank bottoms bolt hole 15 on mounting flange board 11, the tank bottoms, tank bottoms bolt hole 15 is used for installing fixing bolt.

Cover 3 includes cover support 13 and cover net 14, and cover support 13 fixed connection is on pin-connected panel jar section of thick bamboo 2, and cover net 14 fixed mounting has the agitator mounting groove at cover net 14's middle part take shape on cover support 13, through cover support 13's setting, is convenient for fix cover net 14, agitator, through cover net 14's setting, is convenient for observe the internal mixed liquid of jar.

Fixedly connected with access hole 17 and the subassembly that drains on the lateral wall of pin-connected panel jar 2, access hole 17, the subassembly that drains are laid on different assembly cell boards 4, through the setting of the subassembly that drains, are convenient for discharge the internal liquid of jar.

The subassembly that drains includes the bleeder 18, the bleeder 19, bleeder 20 and overflow pipe 21, bleeder 19 fixed connection is on assembling cell plate 4, bleeder 20 fixed connection is on bleeder 19, bleeder 18 is connected with bleeder 20, the upper end of overflow pipe 21 is connected on assembling cell plate 4's upper portion, the lower extreme and the bleeder 18 of overflow pipe 21 are connected, setting through overflow pipe 21, prevent that the internal liquid level of jar is too high, bleeder 18 is connected with second grade thick liquid pond F, be convenient for return second grade thick liquid pond F at the precipitate of jar body bottom once more with the sediment of deposit, carry out the desanding again and handle, guarantee the quality of the internal thick liquid of jar.

A grout recovery process of grout recovery equipment of a concrete mixing plant comprises the following steps,

the cement tank truck is parked at the flushing frame (A) to be flushed, flushing liquid generated by flushing flows into the sand-stone separation drum screen (2-2) through the flushing hopper component (2-1);

the sandstone is separated by a sandstone separation drum sieve (2-2), the large-particle sandstone after screening is sent into a sandstone bin (I) by a sandstone conveying device (H), and primary slurry formed after sandstone separation flows into a primary slurry pool (E);

Thirdly, sending the primary slurry in the primary slurry pool (E) into a medium sand separation device (B) through a primary slurry pump, separating medium sand by the medium sand separation device (B) and conveying the separated medium sand into a medium sand pool, and sending the secondary slurry formed after the medium sand is separated into a secondary slurry pool (F);

(IV) conveying the secondary slurry into a cyclone separator (C) through a secondary slurry pump, and separating fine sand by the cyclone separator (C) to form tertiary slurry;

dehydrating the separated fine sand by a dehydrating device, conveying the dehydrated fine sand into a temporary sand silo, and conveying the liquid generated by dehydration into a secondary slurry pool (F);

the third-stage slurry is sent into an assembled slurry storage tank (D) through a slurry pump, and a stirring control assembly in the assembled slurry storage tank (D) detects the density and the PH value of the third-stage slurry in the tank body at regular time;

seventhly, opening a water drain valve (20) at the bottom of the assembly type slurry storage tank (D) at regular time, and enabling sediment at the bottom of the assembly type slurry storage tank (D) to flow back to the secondary slurry pool (F);

and (eighthly), recycling the slurry in the assembled slurry storage tank through proportion calculation.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Although the terms corresponding to the reference numerals in the figures are used more herein, the possibility of using other terms is not excluded; these terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to the spirit of the present invention.

Claims (10)

1. The utility model provides a concrete mixing plant's thick liquid recovery plant, a serial communication port, including washing frame (A), grit separation conveyor, middlings separator (B), cyclone (C) and pin-connected panel thick liquid holding vessel (D), wash frame (A) and be connected with grit separation conveyor, grit separation conveyor includes one-level thick liquid pond (E), middlings separator (B) is connected with one-level thick liquid pond (E), be equipped with second grade thick liquid pond (F) in middlings separator (B), cyclone (C) and pin-connected panel thick liquid holding vessel (D), second grade thick liquid pond (F) are connected, pin-connected panel thick liquid holding vessel (D) also is connected with second grade thick liquid pond (F).

2. The slurry recycling device for the concrete mixing plant according to claim 1, wherein the sand-stone separating and conveying device further comprises a sand-stone separating device (G), a sand-stone conveying device (H) and a sand-stone bin (I), the sand-stone separating device (G) is adapted to the first-level slurry pool (E), and the sand-stone separating device (G) is connected with the sand-stone bin (I) through the sand-stone conveying device (H).

3. The slurry recycling device of a concrete mixing plant according to claim 1, characterized in that the assembly type slurry storage tank (D) comprises an assembly type tank body, a liquid inlet component (1-1), a stirrer component (1-2) and a stirring control component, the liquid inlet component (1-1) and the stirrer component (1-2) are respectively installed on the assembly type tank body, the stirring control component is installed in the assembly type tank body and connected with the liquid inlet component (1-1) and the stirrer component (1-2), the assembly type tank body comprises a tank bottom (1), an assembly type tank cylinder (2) and a tank cover (3), the assembly type tank cylinder (2) is detachably installed on the tank bottom (1), the tank cover (3) is installed on the assembly type tank cylinder (2), the assembly type tank cylinder (2) comprises a plurality of assembly unit plates (4), and a splicing structure is formed on the assembly type unit plates (4), the adjacent assembled unit plates (4) are connected with each other through a splicing structure.

4. The slurry recovery equipment of a concrete mixing plant according to claim 3, characterized in that the side wall of the assembled tank (2) is fixedly connected with an access opening (17) and a water discharge assembly, and the access opening (17) and the water discharge assembly are arranged on different assembled unit plates (4).

5. The slurry recovery equipment of the concrete mixing station according to claim 4, characterized in that the water drain component comprises a water drain pipe (18), a water drain port (19), a water drain valve (20) and an overflow pipe (21), wherein the water drain port (19) is fixedly connected to the assembled unit plate (4), the water drain valve (20) is fixedly connected to the water drain port (19), the water drain pipe (18) is connected with the water drain valve (20), the upper end of the overflow pipe (21) is connected to the upper part of the assembled unit plate (4), the lower end of the overflow pipe (21) is connected with the water drain pipe (18), and the water drain pipe (18) is connected with the secondary slurry tank (F).

6. The slurry recovery apparatus for a concrete mixing plant according to claim 1, characterized in that the sand conveyor (H) comprises a conveyor belt assembly (3-1), a conveyor belt bracket (3-2) and a guide roller assembly (3-3), the conveyor belt assembly (3-1) is mounted on the conveyor belt bracket (3-2), the guide roller assembly (3-3) comprises an upper end guide assembly (3-4) and a lower end guide assembly (3-5), and the upper end guide assembly (3-4) and the lower end guide assembly (3-5) are respectively adapted to the conveyor belt assembly (3-1).

7. The grout recycling device of a concrete mixing plant according to claim 1, comprising a washing hopper assembly (2-1) and a sand-stone separation rotary screen (2-2), wherein the washing hopper assembly (2-1) is connected with the sand-stone separation rotary screen (2-2), the sand-stone separation rotary screen (2-2) comprises a spiral discharging mechanism (2-3), the drum screen (2-4) and the drum rack (2-5), the washing hopper assembly (2-1) is connected with the drum rack (2-5), the spiral discharging mechanism (2-3) is rotatably installed in the drum rack (2-5), and the drum screen (2-4) is fixedly installed on the outer side of the spiral discharging mechanism (2-3) and is matched with the spiral discharging mechanism (2-3).

8. The slurry recycling device of the concrete mixing plant according to claim 1, comprising a spiral shell (4-1), an overflow shell (4-2) and a medium sand pushing mechanism (4-3), wherein the medium sand pushing mechanism (4-3) is rotatably installed on the spiral shell (4-1), the overflow shell (4-2) is fixedly connected to the spiral shell (4-1), and a feeding pipe installation frame (4-4) and a buffer tank (4-5) are fixedly connected to the overflow shell (4-2).

9. The slurry recovery equipment for the concrete mixing plant according to claim 1, wherein the cyclone desander (C) comprises a cyclone cylinder (5-1) and a liquid outlet cover assembly (5-2), the liquid outlet cover assembly (5-2) is fixedly arranged on the cyclone cylinder (5-1), the liquid outlet cover assembly (5-2) comprises a liquid outlet flange (5-14) and a cyclone liquid outlet pipe fitting (5-4), the cyclone liquid outlet pipe fitting (5-4) is fixedly connected to the liquid outlet flange (5-14), a liquid outlet sleeve head (5-6) is arranged at the end part of the cyclone liquid outlet pipe fitting (5-4), and the liquid outlet sleeve head (5-6) is positioned in the cyclone cylinder (5-1).

10. The process for reclaiming slurry in a slurry reclaiming device of a concrete mixing plant according to any one of the claims 1 to 9, which comprises the steps of,

The cement tank truck is parked at the flushing frame (A) to be flushed, flushing liquid generated by flushing flows into the sand-stone separation drum screen (2-2) through the flushing hopper component (2-1);

the sandstone is separated by a sandstone separation drum sieve (2-2), the large-particle sandstone after screening is sent into a sandstone bin (I) by a sandstone conveying device (H), and primary slurry formed after sandstone separation flows into a primary slurry pool (E);

thirdly, sending the primary slurry in the primary slurry pool (E) into a medium sand separation device (B) through a primary slurry pump, separating medium sand by the medium sand separation device (B) and conveying the separated medium sand into a medium sand pool, and sending the secondary slurry formed after the medium sand is separated into a secondary slurry pool (F);

(IV) conveying the secondary slurry into a cyclone separator (C) through a secondary slurry pump, and separating fine sand by the cyclone separator (C) to form tertiary slurry;

dehydrating the separated fine sand by a dehydrating device, conveying the dehydrated fine sand into a temporary sand silo, and conveying the liquid generated by dehydration into a secondary slurry pool (F);

the third-stage slurry is sent into an assembled slurry storage tank (D) through a slurry pump, and a stirring control assembly in the assembled slurry storage tank (D) detects the density and the PH value of the third-stage slurry in the tank body at regular time;

Seventhly, opening a water drain valve (20) at the bottom of the assembly type slurry storage tank (D) at regular time, and enabling sediment at the bottom of the assembly type slurry storage tank (D) to flow back to the secondary slurry pool (F);

and (eighthly), recycling the slurry in the assembled slurry storage tank through proportion calculation.

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