CN215963052U

CN215963052U - Improved hopper and crushing mixing system for recycling high-humidity waste soil

Info

Publication number: CN215963052U
Application number: CN202121918077.9U
Authority: CN
Inventors: 要彦波; 黄耀泽; 孙志超; 韩苗奇; 夏虹
Original assignee: Suzhou Heyixing Engineering Construction Service Co ltd
Current assignee: Suzhou Heyixing Engineering Construction Service Co ltd
Priority date: 2021-08-16
Filing date: 2021-08-16
Publication date: 2022-03-08
Anticipated expiration: 2031-08-16

Abstract

The utility model relates to an improved hopper and a crushing and mixing system for recycling high-humidity waste soil, which comprise a hopper body and a crushing box, wherein a main flaking mechanism is arranged in the crushing box, a curing agent pipe is arranged on the outer wall side of the hopper body, the discharge ports of the hopper body and the curing agent pipe are both positioned in the crushing box, the discharge ports of the curing agent pipe and the hopper body are curved-surface-shaped slits, the slit surfaces of the curing agent pipe and the hopper body are positioned on the same continuous curved surface, the slit surface of one side of the discharge port of the hopper body, which is far away from the curing agent pipe, faces the bottom surface of the crushing box, and flaking of the main flaking mechanism firstly passes through the discharge port of the curing agent pipe and then passes through the discharge port of the hopper body; the advantages are that: through the cut-out of design curved surface type, and the cut-out face of the one side that curing agent material pipe was kept away from to hopper body discharge gate is towards smashing the bottom surface of the case for when main flaking mechanism cuts the mud of hopper output, avoid the mud granule to appear sticking the jar phenomenon because of the centrifugal force effect.

Description

Improved hopper and crushing mixing system for recycling high-humidity waste soil

Technical Field

The utility model relates to the technical field of waste slurry and urban foundation pit excavation waste soil treatment, in particular to an improved hopper and a crushing and mixing system for recycling high-humidity waste soil.

Background

In the regeneration process of the waste slurry, the slurry is compressed and dehydrated to form mud cakes, and then the mud cakes are crushed, solidified and mixed to form the usable roadbed filling. However, for a general crushing device, the water content of mud cakes and foundation pit excavation spoil belongs to the high-humidity category, and the conditions of bonding equipment, unsatisfactory crushing particle size and the like are easy to occur in the process of entering a crushing and mixing device, so that the yield of the final qualified finished product is reduced.

In order to solve the above problems, the applicant has developed a crushing and mixing system for recycling high-humidity waste soil, as shown in fig. 1 and 2, the crushing and mixing system comprises a hopper, a curing agent powder barrel, a water-stable mixing device, a rolling screening machine, a feeding screw driving part and a conveying belt component, wherein a vertically-arranged feeding screw is arranged in the hopper, a crushing box is arranged at a discharge port of the hopper, the crushing box is communicated with the curing agent powder barrel and is internally provided with a plurality of shaving mechanisms, the high-humidity waste soil is uniformly output to the crushing box through the feeding screw, the crushing box is used for crushing the waste soil and mixing the waste soil with a curing agent, and finally the water-stable mixing device is input.

The scheme has the advantages of good soil falling effect of the waste soil hopper, high yield of recycled waste soil, and the like, but also has the following defects: because the discharge gate of hopper is the plain end, when smashing the case cutter and smashing, the mud grain can splash to the box inner wall because of the centrifugal force effect, causes the sticking to the jar phenomenon, and the effect of mixing of curing agent and mud grain is not ideal simultaneously.

Based on this, the present disclosure is thus directed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an improved hopper and a crushing and mixing system for recycling high-humidity waste soil, so as to avoid cylinder sticking and improve the mixing rate of a curing agent in a crushing box.

In order to achieve the purpose, the technical scheme of the utility model is as follows:

the utility model provides an improved generation hopper for high wet abandonment soil cyclic regeneration, includes hopper body and crushing case, smashes the incasement and is equipped with main flaking mechanism, the outer wall side of hopper body is equipped with curing agent material pipe, and the discharge gate of hopper body and curing agent material pipe all is located smashes the incasement, the curing agent material pipe is the cut-out of curved surface form and the cut-out face between them is located same continuous curved surface with the discharge gate of hopper body, the cut-out face that curing agent material pipe one side was kept away from to hopper body discharge gate is towards smashing the bottom surface of the case, the flaking of main flaking mechanism passes through the discharge gate that curing agent material pipe earlier, the discharge gate of back process hopper body.

Furthermore, the curved surfaces of the discharge ports of the curing agent material pipe and the hopper body are attached to the rotating surface of the main flaking mechanism.

Further, this internal vertical pay-off passageway that is equipped with of hopper, be equipped with the pay-off screw rod in the pay-off passageway, the hopper includes feeding funnel, hopper down and is located the ring gear between the feeding funnel, is equipped with between upper and lower hopper and the ring gear and rotates guide structure, the bottom of pay-off screw rod is equipped with the bearing, and all fixed through the riser between bearing and the feeding funnel down, between ring gear and the pay-off screw rod.

Furthermore, the caliber of the feeding channel is gradually reduced from the feeding port end to the discharging port end.

Furthermore, the feeding channel comprises a metering area positioned below the feeding screw rod, a flowmeter is arranged in the metering area, an automatic metering device is arranged at the curing agent material pipe, and the automatic metering device controls the output quantity of the curing agent according to a signal output by the flowmeter.

The utility model provides a smash mix system for high wet abandonment soil cyclic regeneration, includes above-mentioned improved generation hopper, still includes solidification agent powder barrel, the steady mix equipment of water, rolling screening machine and pay-off screw rod drive division, the discharge gate of solidification agent powder barrel is connected with the pan feeding mouth of solidification agent material pipe, and pay-off screw rod drive division is used for driving the pay-off screw rod, the input of the steady mix equipment of water and the output intercommunication of smashing the case, the input of rolling screening machine and the steady mix equipment's of water output intercommunication, the fine aggregate export of rolling screening machine is used for the finished product output, is equipped with conveyer belt group between the coarse aggregate export of rolling screening machine and the feed inlet of hopper.

The utility model has the advantages that:

1. the discharge port of the curing agent pipe and the discharge port of the hopper are designed into curved-surface type openings, and the opening surface of one side of the discharge port of the hopper body, which is far away from the curing agent pipe, faces the bottom surface of the crushing box, so that when the main flaking mechanism cuts slurry output by the hopper, slurry particles can be guided to the bottom surface of the crushing box instead of the side surface, and the phenomenon that the slurry particles stick to a cylinder due to the centrifugal force can be avoided;

2. when the main flaking mechanism cuts, the main flaking mechanism firstly contacts the curing agent and brings the curing agent into the surface of the slurry particles which are then cut, so that the curing agent on the surface of the slurry particles is completely covered, and the mixing of the curing agent and the waste slurry is more uniform.

Drawings

FIG. 1 is a schematic diagram showing the construction of a crushing and mixing system for recycling high-humidity waste soil in the background art;

FIG. 2 is a schematic three-dimensional configuration of the hopper of FIG. 1;

FIG. 3 is a schematic three-dimensional structure of a hopper in an embodiment;

FIG. 4 is a schematic cross-sectional view of FIG. 3;

FIG. 5 is a schematic view showing the drive of the feed screw (with the helical blades omitted) in the embodiment;

FIG. 6 is a schematic diagram showing the construction of a crushing and mixing system for recycling high-humidity waste soil in the embodiment;

description of the reference symbols

Hopper body 1, feeding funnel 1a, hopper 1b down, inferior flaking mechanism 2, pay-off screw rod 3, main flaking mechanism 4, measurement district 5, crushing case 6, screw drive motor 7, transfer line 8, driving gear 9, ring gear 10, riser 11, bearing 12, stand 13, curing agent powder barrel 14, automatic metering ware 15, curved surface form cut-out 16, curing agent material pipe 17.

Detailed Description

The present invention will be described in further detail with reference to examples.

The embodiment provides a crushing and mixing system for recycling high-humidity waste soil, which comprises a hopper, a curing agent powder barrel 14, a vertical column 13 for fixing the hopper, a water-stable mixing device, a rolling screening machine and a feeding screw driving part, as shown in fig. 6.

Wherein, the hopper includes hopper body 1 and crushing case 6, is equipped with main flaking mechanism 4 and a plurality of time flaking mechanism 2 in crushing case 6, and main flaking mechanism 4 is located the one side that is close to hopper body 1, and time flaking mechanism 2 is located the one side that is close to crushing case 6 discharge gate (crushing case 6 discharge gate is located its bottom surface). The outer wall side of hopper body 1 is equipped with curing agent material pipe 17, and the discharge gate of hopper body 1 and curing agent material pipe 17 all is located crushing case 6, curing agent material pipe 17 and hopper body 1's discharge gate is curved surface form cut-open and the cut-open face between them is located same continuous curved surface, the cut-open face of hopper body 1 discharge gate one side of keeping away from curing agent material pipe 17 faces towards crushing case 6 bottom surface, and as preferred, the curved surface of curing agent material pipe 17 and hopper body 1's discharge gate all laminates the rotating surface of main flaking mechanism 4. When in use, the flaking of the main flaking mechanism 4 firstly cuts the curing agent coming out of the curing agent material pipe 17, and then carries the curing agent to cut the waste slurry coming out of the hopper body 1.

Be equipped with a vertical pay-off passageway in the hopper body 1, be equipped with pay-off screw rod 3 in the pay-off passageway, the hopper includes hopper 1a, down hopper 1b and is located upper and lower hopper 1a, ring gear 10 between the 1b, upper and lower hopper 1a, be equipped with between 1b and the ring gear 10 and rotate guide structure, ring guide structure can adopt the ring rail, promptly upper and lower hopper 1a, 1b department installation ring rail, ring gear 10 and two upper and lower ring rail sliding connection make ring gear 10 can obtain the support like this, do not influence its pivoted function simultaneously yet. The bottom of the feeding screw rod 3 is provided with a bearing 12, and the bearing 12 and the blanking hopper 1b, and the ring gear 10 and the feeding screw rod 3 are fixed through a vertical plate 11. The feeding screw driving part comprises a screw driving motor 7, a transmission rod 8 and a driving gear 9, the screw driving motor 7 is installed on the lower portion of the hopper body 1 and drives the driving gear 9 to rotate through the transmission rod 8, and the driving gear 9 is meshed with the annular gear 10 to achieve power transmission.

The input end of the water-stable mixing equipment is communicated with the output end of the crushing box 6, the input end of the rolling screening machine is communicated with the output end of the water-stable mixing equipment, the fine aggregate outlet of the rolling screening machine is used for outputting finished products, and a conveying belt group is arranged between the coarse aggregate outlet of the rolling screening machine and the feed inlet of the hopper body 1. The curing agent powder barrel 14 is used for storing a curing agent, and a discharge port of the curing agent powder barrel 14 is communicated with a feed port of the curing agent feed pipe 17.

When the high-humidity waste soil feeding hopper is used, high-humidity waste soil is input through the feeding hole of the hopper body 1, and the high-humidity waste soil is downwards extruded in the feeding channel until being extruded out of the feeding channel under the action of the feeding screw rod 3 and the self gravity. After the waste soil is extruded out, the extruded waste soil enters a curved groove under the action of thrust and self gravity of subsequent waste soil, meanwhile, a curing agent is synchronously sent to the curved groove through a curing agent pipe 17, at the moment, the planing piece of the main planing piece mechanism 4 firstly slices the curing agent coming out of the curing agent pipe 17, and then carries the curing agent to slice waste slurry coming out of the hopper body 1, so that the curing agent can cover the surface of slurry particles, and then the slurry particles are sliced through the secondary planing piece mechanism 2, so that the slurry is more crushed and is more uniformly mixed with the curing agent; preliminary mix in crushing case 6 needs to get into the steady mix equipment of water and fully mixes, later gets into the rolling screening machine and carries out the particle size screening, is used for the road bed filler by directly transporting away after the output of fine aggregate this moment, and the coarse aggregate is organized the conveying by the conveyer belt and is carried out the rework processing back to hopper body 1.

For making the structure more reasonable, this embodiment reduces the bore of pay-off passageway from the feed inlet end to the discharge gate end gradually, and pay-off screw rod 3 needs to match with the bore of pay-off passageway. Main flaking mechanism 4 and inferior flaking mechanism 2 all include pivot, circumference and fix in pivot epaxial flaking and pivot drive division, the flaking is the blade of curved surface type to the cut-open of cooperation curved surface type makes the process of cutting more smooth and easy. When the waste soil is fed into the curved-surface-shaped opening, the waste soil is cut off by the planing piece immediately, and the revolving speed of the rotating shaft is adjusted to ensure that the planing speed is fast enough, so that the particle size of the cut mud can be very small under most conditions.

In this embodiment, the feeding channel includes a metering area 5 located below the feeding screw 3, a flow meter is arranged in the metering area 5, an automatic metering device 15 is arranged at the curing agent material pipe 17, and the automatic metering device 15 controls the output quantity of the curing agent according to the signal output by the flow meter, so that the crushed mud particles and the curing agent can be combined according to the design proportion, and the final qualified finished product is formed at the lowest cost.

The above-mentioned embodiments are merely illustrative of the inventive concept and are not intended to limit the scope of the utility model, which is defined by the claims and the insubstantial modifications of the inventive concept can be made without departing from the scope of the utility model.

Claims

1. The utility model provides an improved generation hopper for high wet abandonment soil cyclic regeneration, includes hopper body and crushing case, smashes the incasement and is equipped with main flaking mechanism, its characterized in that: the outer wall side of hopper body is equipped with curing agent material pipe, and the discharge gate of hopper body and curing agent material pipe all is located smashes the incasement, the curing agent material pipe is the cut-out of curved surface form and the cut-out face between them is located same continuous curved surface with the discharge gate of hopper body, the cut-out face orientation that curing agent material pipe one side was kept away from to hopper body discharge gate smashes the bottom surface of the case, the flaking of main flaking mechanism is earlier through the discharge gate of curing agent material pipe, the discharge gate of back process hopper body.

2. An improved hopper for recycling high moisture waste soil as claimed in claim 1 wherein: the curved surfaces of the discharge ports of the curing agent material pipe and the hopper body are attached to the rotating surface of the main flaking mechanism.

3. An improved hopper for recycling high moisture waste soil as claimed in claim 1 wherein: the hopper is characterized in that a vertical feeding channel is arranged in the hopper body, a feeding screw rod is arranged in the feeding channel, the hopper comprises an upper hopper, a lower hopper and a ring gear positioned between the upper hopper and the lower hopper, a rotation guide structure is arranged between the upper hopper and the lower hopper and between the upper hopper and the ring gear, a bearing is arranged at the bottom of the feeding screw rod, and the bearing and the lower hopper, and the ring gear and the feeding screw rod are fixed through vertical plates.

4. An improved hopper for recycling high moisture waste soil as claimed in claim 3 wherein: the caliber of the feeding channel is gradually reduced from the feeding port end to the discharging port end.

5. An improved hopper for recycling high moisture waste soil as claimed in claim 3 wherein: the feeding channel comprises a metering area positioned below the feeding screw rod, a flowmeter is arranged in the metering area, an automatic metering device is arranged at the curing agent material pipe, and the automatic metering device controls the output quantity of the curing agent according to a signal output by the flowmeter.

6. The utility model provides a smash mix system that is used for high wet abandonment soil cyclic regeneration which characterized in that: the improved hopper comprises the improved hopper as claimed in any one of claims 1 to 5, and further comprises a curing agent powder barrel, a water-stable mixing device, a rolling screening machine and a feeding screw driving part, wherein a discharge port of the curing agent powder barrel is connected with a feeding port of a curing agent material pipe, the feeding screw driving part is used for driving a feeding screw, an input end of the water-stable mixing device is communicated with an output end of a crushing box, an input end of the rolling screening machine is communicated with an output end of the water-stable mixing device, a fine aggregate outlet of the rolling screening machine is used for outputting finished products, and a conveying belt group is arranged between a coarse aggregate outlet of the rolling screening machine and a feeding port of the hopper.