CN219376951U - Improvement formula soil crushing mixer - Google Patents

Abstract

The utility model discloses an improved soil crushing and mixing machine which comprises a soil hopper, a feeding belt conveyor, a medicament bin, a crushing and mixing device and a discharging belt conveyor. According to the control device disclosed by the utility model, the water pump can be controlled to pump water to the nozzle through the water pipe sleeve according to the feedback of the water content detection device and the on-site working condition, so that the water content of engineering spoil is accurately regulated and controlled in real time, and the filling quality of the improved soil filler is improved.

Description

Improvement formula soil crushing mixer

Technical Field

The utility model relates to a soil crushing and mixing device, in particular to an improved soil crushing and mixing machine.

Background

In recent years, large-scale engineering construction is carried out in China, and the engineering quantity reaches the historical peak. The unavoidable engineering spoil is generated in engineering construction, the traditional engineering spoil disposal mode is that a spoil field is buried, and meanwhile, a large amount of municipal roads, highways, railway roadbeds, matched fields and the like are filled, a large amount of filling materials are needed urgently, and the conventional engineering behaviors of a soil taking field, a spoil field and the like lead to the exposure of soil, disturbance of the earth surface, local change of topography, unbalance of original stable soil bodies, easy water erosion, water and soil loss induction and the like, and ecological damage to corresponding fields and surrounding environments is caused.

Therefore, the construction field begins to try to utilize engineering waste soil, chemical and physical engineering mechanical property analysis is carried out on soil layers in the engineering waste soil, a soil layer to be improved is determined, and a certain proportion of modifier is doped in the soil layer to ensure that the chemical and physical engineering mechanical property of the soil layer to be improved can meet the requirements of corresponding filling fillers, and the soil layer to be improved is used in corresponding filler filling, so that the recycling of waste soil is realized to replace outsourcing fillers, the difficult problems of outsourcing fillers under environment protection and the like are solved, the national sustainable development needs are met, and the economic benefit, the social benefit and the environmental protection benefit are good.

In the first figure of chinese patent CN107470342a, a soil breaking mixer is disclosed, the engineering waste soil needs to be firstly subjected to water content adjustment, then is put into a raw material soil hopper and is conveyed to the lower part of a curing agent storage bin through a conveying belt, and the curing agent falls onto the engineering waste soil through the curing agent storage bin. Then the modifier and the engineering waste soil are crushed and stirred uniformly by a soil cutter and a rotary pestle, and the mixture is used for filling corresponding fillers after uniform mixing. However, the soil crushing mixer is successful in one-time stirring, the water content cannot be adjusted again after the engineering waste soil enters the raw material soil hopper, the water content cannot be adjusted by combining the on-site working condition in the stirring and mixing process of the modifier and the engineering waste soil, and the improved soil after mixing cannot have the optimal water content, so that the filling quality of the improved soil filler is affected to a certain extent.

Based on the reasons, the utility model hopes to improve on the basis of the structure shown in the figure I of the Chinese patent CN107470342A, so that the water content can be adjusted by combining with the site working condition in the stirring and mixing process of the modifier and the engineering spoil, thereby realizing the accurate control of the water content and improving the filling quality of the modified soil filler.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide an improved soil crushing mixer, which controls a water pump to pump water to a nozzle through a water pipe sleeve according to the feedback of a water content detection device and the on-site working condition by a control device, so as to accurately regulate the water content of engineering waste soil in real time and improve the filling quality of improved soil fillers.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an improvement formula soil crushing mixer, includes soil hopper, feeding belt conveyer, medicament storehouse, crushing mixing device, ejection of compact belt conveyer and spray the subassembly, spray the subassembly and include moisture content detection device, water pump, controlling means, water pipe external member and nozzle, moisture content detection device is used for detecting the soil moisture content on the feeding belt conveyer, and moisture content detection device is connected with the controlling means electricity, and controlling means is connected with the water pump electricity, and the water pump is connected with the water pipe external member, installs the nozzle on the water pipe external member, the nozzle is arranged in feeding belt conveyer top for to feeding belt conveyer's transport plane water spray.

The utility model is further provided with: the water pipe sleeve comprises a main water pipe and a plurality of branch water pipes, all branch water pipes are parallel to the conveying surface of the feeding belt conveyor, all branch water pipes are distributed along the conveying direction of the feeding belt conveyor, and each branch water pipe is provided with a plurality of nozzles distributed along the length direction of the branch water pipe; all branch water pipes are communicated with a main water pipe, and the main water pipe is communicated with a water pump.

The utility model is further provided with: all the nozzles on each branch water pipe are symmetrically distributed on two sides of the main water pipe.

The utility model further provides that the spray assembly further comprises a tail end water testing device, one end of the main water pipe, which is away from the water pump, is the tail end of the main water pipe, and the tail end water testing device is arranged at the end part of the branch water pipe closest to the tail end of the main water pipe.

The utility model is further provided with: the soil hopper is characterized by further comprising a homogenizer which is positioned on one side of the medicament bin close to the soil hopper and above the feeding belt conveyor, and the homogenizer is used for limiting the thickness of the soil conveyed to the lower side of the medicament bin by the feeding belt conveyor.

The utility model is further provided with: the water content detection device is located at one side of the homogenizer, which is away from the soil hopper.

The utility model is further provided with: all the nozzles are arranged on one side of the discharge hole of the medicament bin, which is close to the soil hopper.

The utility model is further provided with: the nozzle is an atomizing nozzle.

The utility model is further provided with: the control device is a PLC control cabinet.

The utility model is further provided with: the water storage device is connected with the water pump.

In summary, compared with the prior art, the utility model has the following beneficial effects: according to the utility model, the control device can control the water pump to pump water to the nozzle through the water pipe sleeve according to the feedback of the water content detection device and the on-site working condition, so that the water content of the engineering spoil is accurately regulated and controlled in real time, and the filling quality of the improved soil filler is improved.

Drawings

FIG. 1 is an overall construction diagram of an embodiment;

fig. 2 is a schematic structural view showing a spray assembly in the present embodiment.

In the figure: 1. a soil hopper; 2. a feed belt conveyor; 3. a medicament bin; 31. a feeder; 41. a front cutter; 42. breaking and mixing hammers; 5. a discharge belt conveyor; 6. a rear cutter; 7. a material homogenizing device; 8. a spray assembly; 81. a water content detection device; 82. a water pump; 83. a control device; 841. a main water pipe; 842. a branch water pipe; 85. a nozzle; 86. a tail end water testing device; 9. and a water storage device.

Detailed Description

The technical solutions of the present utility model will be clearly described below with reference to the accompanying drawings, and it is obvious that the described embodiments are not all embodiments of the present utility model, and all other embodiments obtained by a person skilled in the art without making any inventive effort are within the scope of protection of the present utility model.

It should be noted that, the positional or positional relationship indicated by the terms such as "center", "upper", "lower", "horizontal", "left", "right", "front", "rear", "lateral", "longitudinal", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Examples

Referring to fig. 1, in a preferred embodiment of the present utility model, an improved soil crushing and mixing machine has a basic structure comprising a soil hopper 1, a feeding belt conveyor 2, a chemical bin 3, a crushing and mixing device and a discharging belt conveyor 5, wherein engineering waste soil leaks from the bottom of the soil hopper 1 to the feeding belt conveyor 2, the feeding belt conveyor 2 conveys the engineering waste soil to the lower part of the chemical bin 3, and the chemical bin 3 stores an improver. The feeder 31 is arranged at the bottom of the medicament bin 3, and the modifier falls onto engineering waste soil on the feeding belt conveyor 2 through a discharge hole of the medicament bin 3 under the guidance of the feeder 31. And then the modifier and the engineering waste soil are stirred and uniformly mixed by a crushing and uniformly mixing device, and the mixture is uniformly mixed into modified soil and then falls to a discharge belt conveyor 5 for conveying. The crushing and mixing device in this embodiment includes a front cutter 41 and a plurality of crushing and mixing hammers 42 arranged to intersect, and the front cutter 41 feeds the soil on the feeding belt conveyor 2 between the crushing and mixing hammers 42. In this embodiment, three breaking and mixing hammers 42 are provided, and all three breaking and mixing hammers 42 are located below the front cutter 41. The end of the discharge belt conveyor 5 in this embodiment is also provided with a rear knife 6 for re-breaking the soil.

In this embodiment, a homogenizer 7 is further disposed on one side of the medicine bin 3 near the soil hopper 1, and the homogenizer 7 is located above the feeding belt conveyor 2 and is used for limiting the thickness of the soil conveyed by the feeding belt conveyor 2 to the lower side of the medicine bin 3.

As shown in fig. 2, the embodiment further includes a spraying assembly 8, the spraying assembly 8 includes a water content detecting device 81, a water pump 82, a control device 83, a water pipe set and a nozzle 85, the water content detecting device 81 is used for detecting the water content of soil on the feeding belt conveyor 2, the water content detecting device 81 is electrically connected with the control device 83, the control device 83 is electrically connected with the water pump 82, the water pump 82 is connected with the water pipe set, the nozzle 85 is installed on the water pipe set, and the nozzle 85 is arranged above the feeding belt conveyor 2 and is used for spraying water to the conveying surface of the feeding belt conveyor 2. When the improved soil filling quality control device is used, an operator inputs the optimal water content into the control device 83 according to the field working condition requirement, the control device 83 analyzes and judges whether the water content fed back by the current water content detection device 81 meets the optimal water content, if the water content meets the optimal water content, the water pump 82 is kept off, if the water content does not meet the optimal water content, the control device 83 controls the water pump 82 to pump water to the nozzle 85 through the water pipe sleeve, the water content of the engineering waste soil is accurately regulated and controlled in real time, and the improved soil filling quality is improved.

In this embodiment, the control device 83 is a PLC control cabinet, which is simple to operate and easy to maintain.

The present embodiment further comprises a water reservoir 9, the water reservoir 9 being adapted to supply water to the water pump 82. The water storage device 9 can ensure that the water supply of the spray assembly 8 is sufficient when the improved soil breaking mixer is moved to an area remote from the water source for operation.

Specifically, the water pipe set includes a main water pipe 841 and a plurality of branch water pipes 842, all branch water pipes 842 are parallel to the conveying surface of the feeding belt conveyor 2, all branch water pipes 842 are arranged along the conveying direction of the feeding belt conveyor 2, and a plurality of nozzles 85 arranged along the length direction of each branch water pipe 842 are installed on each branch water pipe 842. All of the branch water pipes 842 are in communication with the main water pipe 841, and the main water pipe 841 is in communication with the water pump 82. The arrangement of the multi-branch water pipes 842 along the conveying direction of the feeding belt conveyor 2 increases the water supplementing time length and improves the water supplementing effect. In this embodiment, three branch water pipes 842 are provided, and six nozzles 85 are provided on each branch water pipe 842.

Specifically, all the branch water pipes 842 are parallel to each other, the intervals between every two branch water pipes 842 are equal, and the intervals between two adjacent nozzles 85 on each branch water pipe 842 are equal, so that uniform water supplementing is realized, and the water supplementing effect is improved.

In this embodiment, the nozzle 85 is an atomizing nozzle, and the water replenishing coverage of a single atomizing nozzle is larger than that of other types of nozzles, so that the water replenishing effect is better.

Specifically, all the nozzles 85 on each branch water pipe 842 are symmetrically distributed on both sides of the main water pipe 841, so as to prevent the nozzles 85 from being too far from the main water pipe 841 to cause insufficient water pressure.

Specifically, the spray assembly 8 further includes a terminal water testing device 86, the end of the main water pipe 841 facing away from the water pump 82 is the main water pipe terminal, and the terminal water testing device 86 is installed at the end of the branch water pipe 842 nearest to the main water pipe terminal. The end water test device 86 is provided to test whether the water pressure of all the nozzles 85 is all satisfied.

Specifically, the water content detection device 81 is located at a side of the homogenizer 7 facing away from the soil hopper 1, and the water content calculation formula adopted by the water content detection device 81 is as follows:

wherein: omega-water content (%), calculated to 0.1%; m is m _o -dry sample mass (g), which is a pre-input value; m is m _d -wet sample mass (g), which is a measurement of the moisture content detection means 81.

Specifically, all the nozzles 85 are uniformly distributed on one side of the discharge port of the chemical bin 3, which is close to the soil hopper 1, so as to prevent water mist sprayed by the nozzles 85 from contacting with the modifier at the discharge port of the chemical bin 3 to solidify the modifier, prevent the flow velocity of the modifier from changing due to the solidification of the modifier, and ensure the stability and controllability of the flow velocity of the modifier. In this embodiment, all the nozzles 85 are located between the homogenizer 7 and the outlet of the medicine compartment 3.

To sum up, in this embodiment, the control device 83 can control the water pump 82 to pump water to the nozzle 85 through the water pipe set according to the feedback of the water content detecting device 81 and the on-site working condition, so as to accurately control the water content of the engineering spoil in real time and improve the filling quality of the improved soil filler.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. The utility model provides an improvement formula soil crushing mixer, includes soil hopper (1), feeding band conveyer (2), medicament storehouse (3), broken mixing arrangement and ejection of compact band conveyer (5), its characterized in that: still including spray assembly (8), spray assembly (8) include moisture content detection device (81), water pump (82), controlling means (83), water pipe external member and nozzle (85), moisture content detection device (81) are used for detecting the soil moisture content on feeding belt conveyer (2), and moisture content detection device (81) are connected with controlling means (83) electricity, and controlling means (83) are connected with water pump (82) electricity, and water pump (82) are connected with water pipe external member, install nozzle (85) on the water pipe external member, nozzle (85) are arranged in feeding belt conveyer (2) top for to the delivery plane water spray of feeding belt conveyer (2).

2. An improved soil breaking mixer according to claim 1, wherein: the water pipe sleeve comprises a main water pipe (841) and a plurality of branch water pipes (842), all the branch water pipes (842) are parallel to the conveying surface of the feeding belt conveyor (2), all the branch water pipes (842) are distributed along the conveying direction of the feeding belt conveyor (2), and each branch water pipe (842) is provided with a plurality of nozzles (85) distributed along the length direction; all branch water pipes (842) are communicated with a main water pipe (841), and the main water pipe (841) is communicated with a water pump (82).

3. An improved soil breaking mixer according to claim 2, characterized in that: all nozzles (85) on each branch water pipe (842) are symmetrically distributed on both sides of the main water pipe (841).

4. An improved soil breaking mixer according to claim 3, wherein: the spray assembly (8) further comprises a tail end water testing device (86), one end of the main water pipe (841) deviating from the water pump (82) is the tail end of the main water pipe, and the tail end water testing device (86) is arranged at the end part of the branch water pipe (842) closest to the tail end of the main water pipe.

5. An improved soil breaking mixer according to claim 1, wherein: the soil mixer is characterized by further comprising a material homogenizing device (7), wherein the material homogenizing device (7) is positioned on one side, close to the soil hopper (1), of the medicament bin (3) and is positioned above the feeding belt conveyor (2), and the material homogenizing device (7) is used for limiting the thickness of the soil, conveyed to the lower part of the medicament bin (3), of the feeding belt conveyor (2).

6. An improved soil breaking mixer according to claim 5, wherein: the water content detection device (81) is positioned at one side of the homogenizer (7) which is away from the soil hopper (1).

7. An improved soil breaking mixer according to claim 1, wherein: all nozzles (85) are arranged on one side of the discharge hole of the medicament bin (3) close to the soil hopper (1).

8. An improved soil breaking mixer according to claim 1, wherein: the nozzle (85) is an atomizing nozzle.

9. An improved soil breaking mixer according to claim 1, wherein: the control device (83) is a PLC control cabinet.

10. An improved soil breaking mixer according to claim 1, wherein: also comprises a water storage device (9),

the water storage device (9) is connected with a water pump (82).