Fluidized solidified soil production equipment suitable for multiple types of muck

Abstract

The utility model provides flow-state solidified soil production equipment suitable for multiple types of muck. The equipment comprises a movable shell, a primary selection roll shaft screen arranged outside the shell, and a conveying device, a powder conveyor, a stirrer, a water tank, a vibrating screening machine and a concrete conveying pump which are arranged inside the shell. A dry muck feed port and a slurry feed port are formed in the top of the shell, and a discharge port of the primary selection roll shaft screen is connected with the dry muck feed port through a muck conveying device; the conveying device and the powder conveyor can convey dry muck and powder into the stirring machine, and the water tank can convey water into the stirring machine. The vibrating screening machine can receive solidified soil output by the stirring machine and screen large and small particles, the small particles enter the concrete conveying pump and are conveyed to the outside of the shell, and the large particles are directly conveyed to the outside of the shell; the equipment can be suitable for multiple types of muck, including dry soil and slurry, local materials can be used, the equipment is movable and convenient to use, and the quality of produced products is high.

Description

Technical Field

[0001] The utility model belongs to the technical field of solidified soil production equipment, and particularly relates to a fluidized solidified soil production equipment applicable to various types of muck. Background Technique

[0002] Premixed fluidized solidified soil is a mixture of various discarded engineering muck, soil solidifying agent and water mixed in a certain ratio and reaching certain performance indexes. It is a green innovative material with great social significance of energy conservation and emission reduction and comprehensive utilization of industrial solid waste. This technology can be applied to solidified soil composite foundation, backfill (replacement) foundation, rigid composite pile and foundation pit retaining pile projects, or the fields of pipe gallery and subway foundation pit backfill, civil building foundation pit backfill, subgrade ground treatment and construction road surface materials and subgrade cushion materials, with advantages such as saving building materials and investment costs.

[0003] The existing equipment for preparing fluidized solidified soil is usually fixed complete sets of equipment, which cannot use engineering muck locally. It requires muck trucks to transport it out and stack it in the receiving yard, which is inconvenient to use. In addition, muck usually has various types, including dry muck and slurry, etc. The existing equipment is usually only applicable to one type of muck, which is inconvenient to use. Content of the Utility Model

[0004] Purpose of the utility model: To solve the defects of the existing technology, the utility model provides a fluidized solidified soil production equipment applicable to various types of muck. This equipment can be applicable to various types of muck, including dry soil and slurry, and can use local materials, is movable, convenient to use, and the quality of the produced products is stable.

[0005] Technical solution: The utility model provides a fluidized solidified soil production equipment, including a movable housing, a primary roller screen arranged outside the housing, and a conveying device, a powder conveyor, a mixer, a water tank, a vibrating screen and a concrete pump arranged inside the housing. A dry muck feed inlet and a slurry feed inlet are arranged at the top of the housing. The discharge port of the primary roller screen is connected to the dry muck feed inlet through a muck transmission device; the conveying device is arranged below the dry muck feed inlet, and the transmission end thereof is located at the feed inlet of the mixer. The powder conveyor is arranged above the mixer and can convey powder into the mixer. The water tank is arranged below the conveying device and the mixer and can convey water into the mixer; the vibrating screen is arranged below the mixer, and a concrete pump is connected below it; the vibrating screen can receive the solidified soil output by the mixer, screen large and small particles, the small particles enter the concrete pump and are conveyed to the outside of the housing, and the large particles are directly conveyed to the outside of the housing; the slurry feed inlet is connected to the side wall feed inlet of the mixer.

[0006] As a preference, improvement or specific implementation scheme:

[0007] Inside the housing, a horizontal support frame is also provided to support the conveyor, powder feeder, mixer, and water tank.

[0008] The conveyor is inclined, and the position of the transmission end is higher than that of the transmission starting end; preferably, the conveyor is a belt transmission device driven by a motor; the muck conveyor is a belt transmission device driven by a motor.

[0009] Several feeding ports are provided at the top of the powder feeder, and a discharging port is provided at the bottom, which is connected to the feeding port at the top of the mixer; preferably, the powder feeder is a screw conveyor.

[0010] A water inlet is provided on the side wall of the mixer, which is connected to the water outlet of the water tank, and the water in the water tank is pumped into the mixer through a water pump; the mixer includes a mixing paddle horizontally arranged inside and a discharging port at the bottom, and the discharging port at the bottom is arranged at the bottom of the mixer, below the mixing paddle.

[0011] A baffle is also provided between the dry muck feeding port and the conveyor; preferably, a vibrator is also provided on the surface of the baffle, which can vibrate the baffle to prevent soil from sticking to the inner wall of the baffle; the outside of the slurry feeding port is connected to a slurry feeding pipe, and the feeding port of the slurry feeding pipe is located near the bottom position of the housing; a slurry overflow pipe is provided on the side wall.

[0012] Inside the vibrating screen, a screening plate with through holes and inclined is provided, and a waste material outlet is provided on the outer wall of the housing. The lower end of the screening plate is connected to the waste material outlet. Small particles enter the concrete pump through the through holes, and large particles move towards the lower end of the screening plate and are discharged through the waste material outlet.

[0013] A discharge pipe is provided at the discharge port of the concrete pump, and a fluidized soil discharge port is provided on the outer wall of the housing. The opening of the discharge pipe extends to the fluidized soil discharge port.

[0014] The primary roller screen includes a roller screen housing, and rollers, blades, and scrapers provided inside the roller screen housing. The rollers are horizontally arranged and several are arranged in parallel. Several groups of blades are provided on each roller, and the blades on adjacent rollers are arranged staggeredly; the scrapers are provided below the rollers and are inclined towards the side where the muck falls. The position and number of the scrapers correspond to those of the blades.

[0015] Furthermore, on the side wall of the roller screen housing, near the bottom position, a primary soil outlet is provided, and the primary soil outlet is connected to the muck conveyor; inside the roller screen housing, a scraper mounting frame is also provided. The scraper mounting frame is provided below the rollers and is fixed on the inner wall of the screen housing, and the scrapers are mounted on the scraper mounting frame.

[0016] Beneficial effects: Compared with the prior art, the equipment of the present utility model has the following advantages:

[0017] 1. It can locally dispose of the engineering muck excavated from the project, use local materials, avoid multiple transports of raw materials and excavated soil, and backfill locally.

[0018] 2. The mobile equipment is placed in a container and can be moved at any time as the project migrates. It can be mixed and poured on-site, which is convenient and fast.

[0019] 3. A dry muck inlet and a slurry inlet are provided at the top of the shell, which is suitable for multiple types of muck.

[0020] 4. The powder conveyor is provided with multiple inlets. According to the different muck and rock characteristics, the curing agent ratio can be changed at any time to ensure the stable quality of the fluidized solidified soil.

[0021] 5. The primary roller screen breaks up large particles through the paddle blades. At the same time, through the cooperation with the scraper, the particles can be further crushed and then conveyed to the mixer, improving the mixing efficiency and the quality of the solidified soil.

[0022] 6. A vibrating screen is arranged below the mixer, which can further screen the solidified soil and improve the quality of the solidified soil.

[0023] 7. A slurry overflow pipe is provided on the side wall of the slurry inlet, which can prevent the slurry from overflowing onto the shell or the side wall of the shell, causing shell pollution and slurry waste.

[0024] 8. Using the equipment of the present application to prepare fluidized solidified soil can be used for the backfill of the foundation trench of the municipal utility tunnel, the backfill of the buried municipal pipe network, the backfill of the deep foundation pit of the building, the backfill of the parts with high quality requirements in the municipal project, the backfill of narrow or irregular spaces, etc., and also includes the mine filling in the mine project. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic structural diagram (front view) of the equipment of the present utility model.

[0026] Figure 2 It is a schematic structural diagram (side view) of the equipment of the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0027] The following further describes the present utility model with reference to the drawings.

[0028] Embodiment

[0029] A fluidized solidified soil production equipment, as Figure 1 and Figure 2As shown in the figure, it includes a movable housing 1, a primary roller screen 2 arranged outside the housing 1, and a conveying device 3, a powder conveyor 4, a mixer 5, a water tank 6, a vibrating screen 7, and a concrete pump 8 arranged inside the housing 1. A dry soil and slag inlet 101 and a slurry inlet 102 are arranged at the top of the housing 1. The discharge port of the primary roller screen 2 is connected to the dry soil and slag inlet 101 through a soil and slag conveying device 9; the conveying device 3 is arranged below the dry soil and slag inlet 101, and the transmission end thereof is located at the inlet of the mixer 5. The powder conveyor 4 is arranged above the mixer 5 and can convey powder into the mixer 5. The water tank 6 is arranged below the conveying device 3 and the mixer 5 and can convey water into the mixer 5; the vibrating screen 7 is arranged below the mixer 5, and the concrete pump 8 is connected below it; the vibrating screen 7 can receive the solidified soil output by the mixer 5, screen large and small particles, the small particles enter the concrete pump 8 and are conveyed outside the housing 1, and the large particles are directly conveyed outside the housing 1; the slurry inlet 102 is connected to the side wall inlet of the mixer 5.

[0030] A horizontal support frame 103 is also arranged inside the housing 1 for supporting the conveying device 3, the powder conveyor 4, the mixer 5, and the water tank 6.

[0031] The conveying device 3 is inclined, and the position of the transmission end is higher than the position of the transmission starting end; in this embodiment, the conveying device 3 is a belt transmission device driven by a motor; the soil and slag conveying device 9 is a belt transmission device driven by a motor.

[0032] Several inlets are arranged at the top of the powder conveyor 4, and an outlet is arranged at the bottom, which is connected to the inlet at the top of the mixer 5; in this embodiment, the powder conveyor 4 is a screw conveyor.

[0033] A water inlet is arranged on the side wall of the mixer 5, which is connected to the water outlet of the water tank 6, and the water in the water tank 6 is pumped into the mixer 5 through a water pump; the mixer 5 includes a mixing paddle 501 arranged horizontally inside and a bottom discharge port 502, and the bottom discharge port 502 is arranged at the bottom of the mixer 5, below the mixing paddle 501.

[0034] A baffle 301 is also arranged between the dry soil and slag inlet 101 and the conveying device 3; a vibrator is also arranged on the surface of the baffle 301, which can vibrate the baffle to prevent soil from sticking to the inner wall of the baffle; the slurry inlet 102 is externally connected to a slurry inlet pipe 10, and the inlet of the slurry inlet pipe 10 is located near the bottom of the housing 1; a slurry overflow pipe 11 is arranged on the side wall.

[0035] Seven vibrating screening machines are provided with a screening plate that has through holes and is inclined. The outer wall of the housing 1 is provided with a waste discharge port 104. The lower end of the screening plate is connected to the waste discharge port 104. Small particles enter the concrete delivery pump 8 through the through holes. Large particles move towards the lower end of the screening plate and are discharged through the waste discharge port 104.

[0036] The discharge port of the concrete delivery pump 8 is provided with a discharge pipe 801. The outer wall of the housing 1 is provided with a fluidized soil discharge port 105. The opening of the discharge pipe 801 extends to the fluidized soil discharge port 105.

[0037] The primary roller screen 2 includes a roller screen housing 201, and a roller shaft 202, a paddle 203, and a scraper 204 provided inside the roller screen housing 201. The roller shaft 202 is horizontally arranged and several are arranged in parallel. Several groups of paddles 203 are arranged on each roller shaft 202, and the paddles 203 on adjacent roller shafts 202 are staggered; the scraper 204 is arranged below the roller shaft 202 and is inclined towards the side where the muck falls. The position and quantity of the scraper 204 correspond to those of the paddle 203.

[0038] Furthermore, on the side wall of the roller screen housing 201, near the bottom position, there is a primary soil outlet 205. The primary soil outlet 205 is connected to the muck transmission device 9; inside the roller screen housing 201, there is also a scraper mounting frame 206. The scraper mounting frame 206 is arranged below the roller shaft 202 and is fixed to the inner wall of the shaft screen housing 201. The scraper 204 is mounted on the scraper mounting frame 206.

[0039] Among the above devices, for the devices that need to be driven, a motor can be arranged inside the housing 1 and connected to each device, or a connecting device can be arranged on the housing 1 and connected to an external motor to realize the operation of each device. Specifically, in this embodiment, the motor of the conveying device 3 is arranged on the top of the water tank 6, and the motor of the powder conveyor 4 is arranged on the right side of the conveyor rotating shaft, and there are two motors on the left side of the mixer 6.

[0040] Embodiment 2

[0041] A method for producing fluidized solidified soil using the above equipment:

[0042] The relatively dry construction muck on-site is poured into the primary roller screen 2 by an excavator. The large soil blocks are crushed into small particles through the cooperation of the paddle 203 and the scraper 204, and then discharged to the muck transmission device 9 through the primary soil outlet 205. The muck transmission device 9 conveys the dry muck upward and transports it to the conveyor device 3 through the dry muck inlet 101. The belt on the belt conveyor device 3 rotates upward to convey the dry muck into the mixer 5; the relatively wet muck is in a slurry state and can be sucked into the slurry feed pipe 10 by a pump, and then transported to the mixer 5 through the slurry inlet 102; the solidifying agent powder enters the powder conveyor 4 through the inlet at the top of the powder conveyor 4. The powder conveyor 4 conveys the solidifying agent powder to the mixer 5 by screw conveyance. The water in the water tank 6 is transported to the mixer 5 by a water pump; afterwards, the dry muck, slurry, solidifying agent powder and water are fully stirred in the mixer 5 and then enter the vibrating screen 7 from the bottom outlet 502. The vibrating screen 7 screens the incoming solidified soil into large and small particles. The small particles enter the concrete delivery pump 8 and are transported to the outside of the housing 1 through the discharge pipe 801 and the outlet 105. The large particles are directly transported to the outside of the housing 1 through the waste material outlet 104, completing the preparation of the entire solidified soil.

[0043] The housing 1, the primary roller screen 2 and the muck transmission device 9 are all movable and can be moved at any time as the project migrates for on-site mixing and on-site pouring, which is convenient and fast.

[0044] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fluid-solidified soil production device, characterized in that It includes a movable housing (1), a primary roller screen (2) disposed outside the housing (1), and a conveying device (3), a powder conveyor (4), a mixer (5), a water tank (6), a vibrating screen (7), and a concrete pump (8) disposed inside the housing (1). A dry soil and waste feed inlet (101) and a slurry feed inlet (102) are provided at the top of the housing (1). The discharge port of the primary roller screen (2) is connected to the dry soil and waste feed inlet (101) through a soil and waste transmission device (9). The conveying device (3) is disposed below the dry soil and waste feed inlet (101), and the transmission end thereof is located at the feed port of the mixer (5). The powder conveyor (4) is disposed above the mixer (5) and can convey powder into the mixer (5). The water tank (6) is disposed below the conveying device (3) and the mixer (5) and can convey water into the mixer (5). The vibrating screen (7) is disposed below the mixer (5), and the concrete pump (8) is connected below it. The vibrating screen (7) can receive the solidified soil output by the mixer (5) and screen large and small particles. The small particles enter the concrete pump (8) and are conveyed outside the housing (1), and the large particles are directly conveyed outside the housing (1). The slurry feed inlet (102) is connected to the side wall feed port of the mixer (5).

2. The fluid-solidified soil production equipment according to claim 1, characterized in that, A horizontal support frame (103) is further disposed inside the housing (1) for supporting the conveying device (3), the powder conveyor (4), the mixer (5), and the water tank (6).

3. The fluid-solidified soil production equipment according to claim 1, characterized in that, The conveying device (3) is inclinedly disposed, and the position of the transmission end is higher than the position of the transmission starting end. The conveying device (3) is a belt transmission device driven by a motor. The soil and waste transmission device (9) is a belt transmission device driven by a motor.

4. The fluid-solidified soil production equipment according to claim 1, characterized in that, A plurality of feed ports are provided at the top of the powder conveyor (4), and a discharge port is provided at the bottom, which is connected to the feed port at the top of the mixer (5). The powder conveyor (4) is a screw conveyor.

5. The fluid-solidified soil production equipment according to claim 1, characterized in that A water inlet is provided on the side wall of the mixer (5) and is connected to the water outlet of the water tank (6). The water in the water tank (6) is pumped into the mixer (5) through a water pump. The mixer (5) includes a mixing paddle (501) horizontally disposed inside and a bottom discharge port (502). The bottom discharge port (502) is provided at the bottom of the mixer (5) and below the mixing paddle (501).

6. The fluid-solidified soil production equipment according to claim 1, characterized in that, A baffle (301) is further disposed between the dry soil and waste feed inlet (101) and the conveying device (3). A vibrator is further provided on the surface of the baffle (301). The slurry feed inlet (102) is externally connected to a slurry feed pipe (10), and the feed port of the slurry feed pipe (10) is located near the bottom of the housing (1). A slurry overflow pipe (11) is provided on the side wall.

7. The fluid-solidified soil production equipment according to claim 1, characterized in that, A screening plate with through holes and inclinedly disposed is provided inside the vibrating screen (7). A waste discharge port (104) is provided on the outer wall of the housing (1). The lower end of the screening plate with a lower position is connected to the waste discharge port (104). The small particles enter the concrete pump (8) through the through holes, and the large particles move towards the lower end of the screening plate and are discharged through the waste discharge port (104).

8. The fluid-solidified soil production equipment according to claim 1, characterized in that The discharge port of the concrete pump (8) is provided with a discharge pipe (801), and the outer wall of the housing (1) is provided with a fluidized soil discharge port (105), and the opening of the discharge pipe (801) extends to the fluidized soil discharge port (105).

9. The fluid-solidified soil production equipment according to claim 1, characterized in that The preliminary selection roller screen (2) includes a roller screen housing (201), and a roller shaft (202), a paddle (203) and a scraper (204) arranged inside the roller screen housing (201). The roller shaft (202) is horizontally arranged, and several are arranged in parallel. Several groups of paddles (203) are arranged on each roller shaft (202), and the paddles (203) on adjacent roller shafts (202) are arranged staggeredly; the scraper (204) is arranged below the roller shaft (202) and is inclined towards the side where the muck falls, and the position and quantity of the scraper (204) correspond to those of the paddle (203).

10. The fluid-solidified soil production equipment according to claim 9, wherein On the side wall of the roller screen housing (201), a preliminary selection soil outlet (205) is provided near the bottom position, and the preliminary selection soil outlet (205) is connected to the muck transmission device (9); a scraper mounting frame (206) is further arranged inside the roller screen housing (201). The scraper mounting frame (206) is arranged below the roller shaft (202) and is fixed on the inner wall of the roller screen housing (201), and the scraper (204) is mounted on the scraper mounting frame (206).

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