A complete set of production device and method of fluidized solidified soil

Abstract

The application discloses a complete production device for fluidized solidified soil, which comprises a stirring system, a soil material processing system, a conveying system and a solidifying agent adding system; the stirring system comprises a stirring cabin and a stirrer; one feeding port is arranged on each side of the top of the stirring cabin; a water inlet pipeline is further connected to the top of the stirring cabin; a discharging pipeline is connected to the bottom of the stirring cabin; the motor head of the stirrer is arranged on the top of the stirring cabin, and the stirring paddle of the stirrer is arranged in the stirring cabin; a weighing device is arranged on the bottom of the stirring cabin; the output end of the soil material processing system is connected with the input end of the conveying system, and the output end of the conveying system is located above the feeding port on the side of the stirring cabin; and the output end of the solidifying agent adding system is located above the feeding port on the side of the stirring cabin. The application has the advantages that the multiple systems are cooperated with each other, stable and reliable, and the maintenance cost is low; and the multiple systems are independent from each other, convenient to disassemble and assemble, and beneficial to the transportation.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of building construction, in particular to a flow state solidified soil complete production device and method. BACKGROUND

[0002] With the continuous development of building technology, China's construction industry has begun to change to "green, energy saving, consumption reduction, emission reduction and sustainable development".

[0003] As a new type of building material, pre-mixed flow state solidified soil takes part of the construction site spoil, after crushing treatment, adds a certain proportion of solidifying agent, water, additive and other materials for mixing, has the characteristics of convenient preparation, green environmental protection, economic cost, etc., and gradually gets the recognition of the market. When the pre-mixed flow state solidified soil is used as a pile material and poured into a pile hole, and a rigid core pile is inserted into it, a composite pile with extremely high strength can be formed. In addition, the pre-mixed flow state solidified soil can also be used for backfilling in narrow locations of foundation pits, foundation treatment and other fields.

[0004] At present, there are various devices for preparing pre-mixed flow state solidified soil. Some devices only have a stirring system and lack soil treatment, accurate metering and the like, and the structure is too simple. Although the pre-mixed flow state solidified soil can be quickly prepared, the preparation quality is difficult to guarantee. Some devices are based on intelligent design and add precise metering controllers and automatic controllers. Although the quality of the pre-mixed flow state solidified soil can be guaranteed in theory, the devices cannot adapt to complex on-site environments, have high maintenance and repair costs, and are difficult to transfer. SUMMARY

[0005] The technical problem to be solved by the present application is to provide a flow state solidified soil complete production device and method that can be scientifically metered and has low maintenance and repair costs, in view of the deficiencies of the prior art.

[0006] The technical solution adopted by the present application is as follows: a flow state solidified soil complete production device, comprising a stirring system, a soil treatment system, a conveying system and a solidifying agent adding system.

[0007] The stirring system comprises a stirring cabin and a stirrer. Each side of the top of the stirring cabin is provided with an inlet. The top of the stirring cabin is also connected with a water inlet pipe. The bottom of the stirring cabin is connected with an outlet pipe. The motor head of the stirrer is arranged at the top of the stirring cabin, and the stirring paddle of the stirrer is arranged in the stirring cabin. The bottom of the stirring cabin is provided with a weighing device for real-time detection and display of the mass of the stirring cabin.

[0008] The soil material processing system and the conveying system are arranged on one side of the stirring system; the output end of the soil material processing system is connected with the input end of the conveying system, and the output end of the conveying system is located above the feeding port on the side of the stirring cabin; the soil material processing system is used for processing the undisturbed spoil into soil material, and the conveying system is used for conveying the soil material and the additive into the stirring cabin.

[0009] The solidifying agent adding system is arranged on the other side of the stirring system, and the output end of the solidifying agent adding system is located above the feeding port on the side of the stirring cabin; the solidifying agent adding system is used for adding the solidifying agent into the stirring cabin.

[0010] According to the above scheme, the soil material processing system comprises an excavator, a soil material crusher and a soil material screening machine; the excavator is arranged on the side of the feeding port of the soil material crusher, and the excavator is used for excavating the soil body and sending the excavated undisturbed spoil to the feeding port of the soil material crusher; the bottom of the soil material crusher is provided with a discharge port, the soil material screening machine is installed on the lower part of the soil material crusher, and the feeding port of the soil material screening machine is located below the discharge port of the soil material crusher; the discharge port of the soil material screening machine is located above the input end of the conveying system.

[0011] According to the above scheme, the soil material screening machine comprises a screen and a seat body, and the screen is arranged obliquely; the bottom of the screen is connected with the seat body through a plurality of elastic members, and the two ends of the seat body are fixed on the support frames on the two sides, and the lower ends of the support frames are installed on the ground.

[0012] According to the above scheme, the elastic members are springs.

[0013] According to the above scheme, the included angle between the screen and the horizontal plane is 20-45°.

[0014] According to the above scheme, the conveying system is a conveyor belt conveyor.

[0015] According to the above scheme, the solidifying agent adding system comprises a storage tank and a pumping machine, the storage tank stores the solidifying agent, the inlet of the pumping machine is in communication with the inner bottom of the storage tank, the outlet of the pumping machine is in communication with a pumping pipeline, and the outlet end of the pumping pipeline is located above the feeding port on the corresponding side of the stirring cabin.

[0016] According to the above scheme, the stirring cabin is installed on a mounting frame, and the mounting frame is arranged on the ground; the soil material crusher is installed on the upper end of the support frame; and the seat body of the soil material screening machine is arranged on the ground through support legs.

[0017] According to the above scheme, the conveying system is supported on the ground through a stand column, one end of the stand column is connected with a reinforcing rod, and the other end of the reinforcing rod is connected with the bottom of the conveying system.

[0018] The application further provides a preparation method of the fluidized solidified soil.

[0019] Step one, according to the construction requirements, the mixing ratio test of solidified soil is carried out, the mixing ratio of soil, cement solidifying agent, water and slag additive is determined, and the flow state solidified soil complete production device is provided and installed as described above;

[0020] Step two, the excavator is started to dig the soil, and the undisturbed slag soil is crushed into the soil crushing machine, and the crushed soil falls into the soil screening machine;

[0021] Step three, the soil screening machine screens the soil, and the soil with a particle diameter less than 5mm falls into the conveying system after screening, and the soil with a particle diameter greater than 5mm which does not meet the requirements is automatically discharged from the soil screening machine and sent to the soil crushing machine for further crushing;

[0022] Step four, the conveying system transports the screened soil into the feeding port of the mixing cabin, the weighing device weighs in real time, and the mixing cabin stops inputting soil when the mass reaches the set mass;

[0023] Step five, the slag additive is placed on the conveying system and transported to the feeding port of the mixing cabin by the conveying system, the weighing device weighs in real time, and the mixing cabin stops inputting the additive when the mass reaches the set mass, and the total mass of the mixing cabin is reviewed and the feeding port is closed;

[0024] Step six, the cement solidifying agent is transported to the feeding port of the mixing cabin by the pump, the weighing device weighs in real time, and the mixing cabin stops inputting the solidifying agent when the mass reaches the set mass;

[0025] Step seven, the mixer is started to uniformly mix the materials in the mixing cabin;

[0026] Step eight, the water inlet pipeline is opened, water is fed into the mixing cabin, the weighing device weighs in real time, and the mixing cabin stops feeding water when the mass reaches the set mass;

[0027] Step nine, the mixer is stopped after one minute, that is, the preparation of the flow state solidified soil is completed, and the finished product flow state solidified soil can be discharged through the discharge pipeline.

[0028] The beneficial effects of the present application are: the present application adopts multiple systems to cooperate stably and reliably, the maintenance and repair cost is low, the factory production of flow state solidified soil can be realized, and the preparation is standardized and standardized; and each system is independent, easy to disassemble and assemble, convenient for transportation, and convenient for establishing a simple solidified soil preparation factory on the construction site, thereby reducing the construction cost. The equipment is mainly mechanical structure, without complex electronic components, and can adapt to complex site environment. Scientific measurement is realized through the mature and stable weighing device, the mixing ratio of each component is controlled, different strength solidified soil products can be prepared, and the preparation quality of the solidified soil is good. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 The overall structure schematic diagram of one embodiment of the present application.

[0030] In the figure, 1-excavator, 2-soil crushing machine, 3-soil screening machine, 3.1-screen, 3.2-seating body, 3.3-elastic member, 4-conveying system, 5-feeding port, 6-storage tank, 7-pumping pipeline, 8-agitation cabin, 9-agitator, 10-water feeding pipeline, 11-discharging pipeline, 12-weighing device, 13-mounting frame, 14-supporting frame, 15-supporting leg, 16-stand column, 17-strengthening rod. DETAILED DESCRIPTION

[0031] In order to better understand the present application, the present application is further explained below in combination with the accompanying drawings and specific embodiments.

[0032] As Figure 1 shown in one complete production device for fluidized solidified soil, which comprises an agitation system, a soil treatment system, a conveying system 4 and a solidifying agent adding system;

[0033] The agitation system comprises an agitation cabin 8 and an agitator 9, and each side of the top of the agitation cabin 8 is provided with one feeding port 5, and the top of the agitation cabin 8 is further connected with a water feeding pipeline 10; the bottom of the agitation cabin 8 is connected with a discharging pipeline 11; the motor head of the agitator 9 is arranged at the top of the agitation cabin 8, and the stirring paddle of the agitator 9 is arranged in the agitation cabin 8; the bottom of the agitation cabin 8 is provided with a weighing device 12 for real-time detection and display of the mass of the agitation cabin 8;

[0034] The soil treatment system and the conveying system 4 are arranged at one side of the agitation system; the output end of the soil treatment system is connected with the input end of the conveying system 4, and the output end of the conveying system 4 is located above the feeding port 5 at this side of the agitation cabin 8; the soil treatment system is used for treating the undisturbed spoil into soil, and the conveying system 4 is used for conveying the soil and the additive to the agitation cabin 8;

[0035] The solidifying agent adding system is arranged at the other side of the agitation system, and the output end of the solidifying agent adding system is located above the feeding port 5 at this side of the agitation cabin 8; the solidifying agent adding system is used for adding the solidifying agent into the agitation cabin 8.

[0036] Preferably, the soil treatment system comprises an excavator 1, a soil crushing machine 2 and a soil screening machine 3; the excavator 1 is arranged at the feeding port side of the soil crushing machine 2, and the excavator 1 is used for excavating the soil body and sending the excavated undisturbed spoil to the feeding port of the soil crushing machine 2; the bottom of the soil crushing machine 2 is provided with a discharging port, the soil screening machine 3 is installed at the lower part of the soil crushing machine 2, and the feeding port of the soil screening machine 3 is located below the discharging port of the soil crushing machine 2; the discharging port of the soil screening machine 3 is located above the input end of the conveying system 4.

[0037] Preferably, the soil screening machine 3 comprises a screen 3.1 and a seat body 3.2, the screen 3.1 is arranged obliquely, and the lower end is provided with a residue bucket (not shown in the figure); the bottom of the screen 3.1 is connected to the seat body 3.2 through a plurality of elastic members 3.3, and the two ends of the seat body 3.2 are fixed on the support frames 14 on the two sides, and the lower end of the support frame 14 is installed on the ground. In the present application, the elastic member 3.3 is a spring; the angle between the screen 3.1 and the horizontal plane is 20-45°, and the soil with a particle diameter less than 5mm is screened by the screen 3.1 and falls into the conveying system 4, while the soil with a particle diameter greater than 5mm which does not meet the requirements is left on the screen 3.1 and falls into the residue bucket under the action of its own gravity, and is sent into the soil crushing machine 2 again for crushing.

[0038] In the present application, the excavator 1 is used for excavating soil and sending the excavated residue soil to the feeding port of the soil crushing machine 2; the soil crushing machine 2 is used for crushing the residue soil into soil; the soil screening machine 3 screens the soil and sends the soil with a particle diameter less than 5mm to the input end of the conveying system 4.

[0039] Preferably, the conveying system 4 is a conveyor belt conveyor. The conveying system 4 conveys the above-mentioned screened soil to the feeding port 5 of the mixing cabin 8, and the additive such as slag is also conveyed to the feeding port 5 of the mixing cabin 8 through the conveying system 4, and the feeding port 5 is provided with a cover which can be manually closed to prevent dust.

[0040] Preferably, the curing agent adding system comprises a storage tank 6 and a pump machine, the storage tank 6 stores the curing agent; the inlet of the pump machine is communicated with the inner bottom of the storage tank 6, the outlet of the pump machine is communicated with the pump pipeline 7, and the outlet end of the pump pipeline 7 is located above the corresponding side feeding port 5 of the mixing cabin 8. In the present embodiment, the pump machine is a mature existing device, which is not shown in the figure and will not be described here.

[0041] In the present application, the curing agent can be cement, which is stored in the tank and conveyed to the feeding port 5 of the mixing cabin 8 by the pump machine, and the outlet of the pump pipeline 7 and the feeding port 5 are closed to prevent dust.

[0042] Preferably, the mixing cabin 8 is installed on the mounting frame 13 which is arranged on the ground; the soil crushing machine 2 is installed on the upper end of the support frame 14; the seat body 3.2 of the soil screening machine 3 is arranged on the ground through the supporting legs 15. The conveying system 4 is supported on the ground through the stand column 16 which is connected to one end of the reinforcing rod 17, and the other end of the reinforcing rod 17 is connected to the bottom of the conveying system 4.

[0043] In the present application, the weighing device 12 is arranged at the bottom of the mixing cabin 8, which can detect and display the mass of the mixing cabin 8 in real time, and the feeding of the soil material, the solidifying agent, the water and the additive is controlled by the mass of the mixing cabin 8, so as to control the mixing ratio.

[0044] A method for preparing fluid solidified soil, comprising the following steps:

[0045] Step one, performing solidified soil mixing ratio test according to construction requirements to determine the mixing ratio of the soil material, the cement solidifying agent, the water and the slag additive; providing the fluid solidified soil complete production device as described above and installing the same;

[0046] Step two, starting the excavator 1 to dig the soil body, and loading the undisturbed slag soil into the soil material crusher 2 to crush, and then the crushed soil material falls into the soil material screening machine 3;

[0047] Step three, the soil material screening machine 3 screens the soil material, and the soil material with a particle diameter less than 5 mm falls into the conveying system 4 after screening, while the soil material with a particle diameter greater than 5 mm is automatically discharged from the soil material screening machine 3 and then is sent into the soil material crusher 2 again for further crushing;

[0048] Step four, the conveying system 4 conveys the screened soil material into the feeding port 5 of the mixing cabin 8, and the weighing device 12 weighs in real time, and the feeding of the soil material is stopped when the mass of the mixing cabin 8 reaches the set mass;

[0049] Step five, the slag additive is placed on the conveying system 4 and is conveyed to the feeding port 5 of the mixing cabin 8 by the conveying system 4, and the weighing device 12 weighs in real time, and the feeding of the additive is stopped when the mass of the mixing cabin 8 reaches the set mass, and the feeding port 5 is closed after the total mass of the mixing cabin 8 is reviewed;

[0050] Step six, the cement solidifying agent is conveyed to the feeding port 5 of the mixing cabin 8 by the pump, and the weighing device 12 weighs in real time, and the feeding of the solidifying agent is stopped when the mass of the mixing cabin 8 reaches the set mass;

[0051] Step seven, starting the mixer 9 to uniformly mix the materials in the mixing cabin 8;

[0052] Step eight, opening the water inlet pipeline 10 to feed water into the mixing cabin 8, and the weighing device 12 weighs in real time, and the water feeding is stopped when the mass of the mixing cabin 8 reaches the set mass;

[0053] Step nine, stopping the mixer 9 after one minute, that is, the preparation of the fluid solidified soil is completed, and the finished product of the fluid solidified soil can be discharged through the discharge pipeline.

[0054] The prepared flow state solidified soil is poured into the pile hole through a special transport vehicle and a pouring pipe, and a H-shaped steel is inserted into the flow state solidified soil, so that the green and economic composite support pile is formed.

[0055] The present application adds a certain proportion of curing agent, additive, water and the like to the spoil soil treated at the construction site, mixes to form the green and environment-friendly flow state solidified soil, pours the flow state solidified soil into the pile hole as the pile body material, inserts a rigid core pile into the flow state solidified soil, so that the composite pile with extremely high strength is formed. In addition, the solidified soil can also be used in the fields of backfilling at narrow positions of foundation pits, foundation treatment and the like, and has a wide application market. Compared with the equipment on the market, the present application is more scientific in metering, has stronger environmental adaptability, lower maintenance cost, and is more convenient and fast. Therefore, the present application can further promote the factory production, standardization and normalization of the flow state solidified soil, has certain practical application value, and simultaneously promotes the building industry to continuously move towards the direction of "green, energy saving, consumption reduction, emission reduction and sustainable development".

[0056] The above is only the preferred embodiment of the present application, and of course cannot limit the scope of the present application, so equivalent changes made within the scope of the patent application of the present application are still within the protection scope of the present application.

Claims

1. A complete production device for fluidized solidified soil, characterized in that, The system comprises a stirring system, a soil material processing system, a conveying system and a solidifying agent adding system. The stirring system comprises a stirring cabin and a stirrer, two feeding ports are arranged on the top of the stirring cabin, and a water inlet pipe is connected to the top of the stirring cabin; a discharging pipe is connected to the bottom of the stirring cabin; the motor head of the stirrer is arranged on the top of the stirring cabin, and the stirring paddle of the stirrer is arranged in the stirring cabin; a weighing device is arranged on the bottom of the stirring cabin for real-time detection and display of the mass of the stirring cabin; The soil material processing system and the conveying system are arranged on one side of the stirring system; the output end of the soil material processing system is connected to the input end of the conveying system, and the output end of the conveying system is located above the feeding port of the stirring cabin; the soil material processing system is used for processing the undisturbed spoil into soil material, and the conveying system is used for conveying the soil material and the additive to the stirring cabin; The solidifying agent adding system is arranged on the other side of the stirring system, and the output end of the solidifying agent adding system is located above the feeding port of the stirring cabin; the solidifying agent adding system is used for adding the solidifying agent into the stirring cabin; The soil material processing system comprises an excavator, a soil material crusher and a soil material screening machine; the excavator is arranged on the side of the feeding port of the soil material crusher, and is used for excavating the soil body and sending the undisturbed spoil to the feeding port of the soil material crusher; the bottom of the soil material crusher is provided with a discharging port, the soil material screening machine is installed on the lower part of the soil material crusher, and the feeding port of the soil material screening machine is located below the discharging port of the soil material crusher; the discharging port of the soil material screening machine is located above the input end of the conveying system; The soil material screening machine comprises a screen and a seat body, and the screen is arranged obliquely; the bottom of the screen is connected to the seat body through a plurality of elastic members, and the two ends of the seat body are fixed on the support frames on the two sides, and the lower ends of the support frames are installed on the ground; The included angle between the screen and the horizontal plane is 20-45°; The solidifying agent adding system comprises a storage tank and a pump, the storage tank stores the solidifying agent; the inlet of the pump is in communication with the inner bottom of the storage tank, the outlet of the pump is in communication with a pump pipeline, and the outlet end of the pump pipeline is located above the corresponding feeding port of the stirring cabin; The stirring cabin is installed on a mounting frame, and the mounting frame is arranged on the ground; the soil material crusher is installed on the upper end of the support frame; the seat body of the soil material screening machine is arranged on the ground through support legs; The conveying system is supported on the ground through a stand column, one end of the stand column is connected to a reinforcing rod, and the other end of the reinforcing rod is connected to the bottom of the conveying system.

2. The flow solidified soil production apparatus according to claim 1, wherein The elastic member is a spring.

3. The flow solidified soil production apparatus according to claim 1, wherein The conveying system is a conveyor belt conveyor.

4. A method for producing a flowable solidified soil, characterized by The method comprises the following steps: Step one, performing a solidified soil mix proportion test according to the construction requirements to determine the mix proportion of the soil material, the cement solidifying agent, water and slag additive; providing the flowable solidified soil complete production device according to any one of claims 1-3 and installing the same; Step two, starting the excavator to excavate the soil body, and crushing the undisturbed spoil into the soil material crusher, and then the crushed soil material falls into the soil material screening machine; Step three, the soil screening machine screens the soil, the soil with particle diameter less than 5mm falls into the conveying system after screening, and the soil with particle diameter greater than 5mm which does not meet the requirements will be automatically discharged from the soil screening machine and sent to the soil crushing machine for further crushing; Step four, the conveying system transports the screened soil into the feed inlet of the mixing cabin, the weighing device weighs in real time, and the mixing cabin stops inputting soil when the mass reaches the set mass; Step five, the slag additive is placed on the conveying system and transported to the feed inlet of the mixing cabin by the conveying system, the weighing device weighs in real time, and the mixing cabin stops inputting the additive when the mass reaches the set mass, and the total mass of the mixing cabin is reviewed to close the feed inlet on this side; Step six, the cement curing agent is transported to the feed inlet of the mixing cabin by the pumping machine, the weighing device weighs in real time, and the mixing cabin stops inputting the curing agent when the mass reaches the set mass; Step seven, start the mixer to mix the materials in the mixing cabin uniformly; Step eight, open the water inlet pipeline to feed water into the mixing cabin, the weighing device weighs in real time, and the mixing cabin stops feeding water when the mass reaches the set mass; Step nine, the mixer stops after a few minutes, i.e. the preparation of the fluidified soil is completed, and the finished fluidified soil is discharged through the discharge pipeline.

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