Integrated bentonite slurry stirring device

Abstract

The utility model relates to the technical field of stirring devices, and discloses an integrated bentonite slurry stirring device which comprises a feeding and dust removing mechanism and a detachable feeding and stirring mechanism arranged at the bottom of the feeding and dust removing mechanism, the feeding dust removal mechanism comprises a feeding unit, a dust removal unit and a water tank; the feeding unit is used for screening bentonite; the dust removal unit is transversely connected with the feeding unit, and a dust removal fan is arranged in the middle of the connection of the dust removal unit and the feeding unit; flying dust in the feeding unit enters the dust removal unit through the dust removal fan to be collected; the water tank is transversely arranged on the side, away from the feeding unit, of the dust removal unit. The feeding and stirring mechanism comprises a material bearing unit, a stirring unit, control equipment and a lower box; the top of the material bearing unit communicates with the bottom of the feeding unit. The two sides of a feeding port of the stirring unit make contact with a discharging port of the material bearing unit and a water outlet of the water tank respectively.

Description

Technical Field

[0001] The utility model relates to the technical field of stirring devices, in particular to an integrated bentonite slurry stirring device. Background Art

[0002] Bentonite is a clay mineral with montmorillonite as its main component. Its strong adsorption, swelling and thixotropy make it an indispensable material in various engineering and industrial applications.

[0003] In the construction process of foundation engineering, especially when encountering special strata, a large amount of bentonite slurry is needed as a suspension or stabilizer. At present, the construction site conventionally uses manual slurry mixing, which not only has low slurry mixing efficiency, but also has unstable proportions of bentonite slurry. In addition, a large amount of dust is generated during the slurry mixing process, which has a certain impact on the surrounding environment.

[0004] In order to solve the above problems, the utility model provides an integrated bentonite slurry stirring device, which can effectively improve the slurry stirring and preparation efficiency, reduce manual labor, and effectively reduce the generation of dust during the slurry mixing process. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides an integrated bentonite slurry stirring device, which solves the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0007] An integrated bentonite slurry stirring device comprises a feeding dust removal mechanism and a detachable feeding stirring mechanism arranged at the bottom of the feeding dust removal mechanism;

[0008] The feeding dust removal mechanism comprises a feeding unit, a dust removal unit and a water tank; the feeding unit is used to screen bentonite; the dust removal unit is horizontally connected to the feeding unit, and a dust removal fan is provided in the middle of the connection between the two; the dust in the feeding unit enters the dust removal unit through the dust removal fan for dust collection; the water tank is horizontally arranged on the side of the dust removal unit away from the feeding unit;

[0009] The feeding and stirring mechanism includes a material receiving unit, a stirring unit, a control device and a lower box; the top of the material receiving unit is connected to the bottom of the feeding unit; the two sides of the feeding port of the stirring unit are respectively in contact with the material discharge port of the material receiving unit and the water outlet of the water tank; the control device is located on the side of the stirring unit away from the material receiving unit, and is used to control the material conveying of the material receiving unit and the stirring work of the stirring unit; the lower box is used to carry the material receiving unit, the stirring unit and the control device.

[0010] Optionally, the feeding unit includes a feeding box, a toothed bag breaker, a load-bearing platform, a dust cover, an air pressure lifting device, and a vibrating screen;

[0011] The feed box is used to receive materials, and the bottom is connected to the top of the lower box;

[0012] The dust cover is arranged on the top of the feed box;

[0013] The air pressure lifting device is arranged in the feed box;

[0014] The load-bearing platform is arranged on the top of the air pressure lifting device;

[0015] The toothed bag breaker is arranged in the middle of the upper surface of the load-bearing platform;

[0016] Springs are arranged on both sides of the inner bottom wall of the feed box, and the vibrating screen is arranged on the top of the springs.

[0017] Optionally, the toothed bag breaker has a conical bag breaking structure composed of four toothed blades at the upper part and a cylindrical material guiding tube at the lower part.

[0018] Optionally, the dust removal unit includes a spray box, a sprayer and a dust collection box;

[0019] The spray box is arranged on one side of the feed box;

[0020] The sprayer is arranged on the top of the spray box;

[0021] The dust collecting box is inserted at the bottom of the spray box.

[0022] Optionally, the material receiving unit includes a hopper, a vibrator, a pneumatic valve and a screw conveyor;

[0023] The top of the hopper is fixedly connected to the top wall of the lower box, wherein the hopper is connected to the feed box;

[0024] The vibrator is arranged on the outer surface of the hopper;

[0025] The pneumatic valve is arranged at the bottom of the hopper;

[0026] The screw conveyor is arranged at the bottom of the hopper.

[0027] Optionally, a water inlet is provided at the top of the water tank, a water outlet pipe is provided at the bottom of the water tank, and a water outlet valve is provided on the water outlet pipe.

[0028] Optionally, the stirring unit includes a stirring drum, a stirrer and a weighing sensor;

[0029] The mixing drum receives the materials flowing out of the screw conveyor and the water outlet pipe from the top;

[0030] The top of the agitator is installed in the lower box, and the bottom of the agitator is inserted in the mixing drum;

[0031] The weighing sensor is arranged at the bottom of the mixing drum.

[0032] Optionally, a slurry discharge pipe is provided at the bottom of the mixing drum, and a slurry discharge valve is provided on the surface of the slurry discharge pipe.

[0033] Optionally, the control equipment includes a control room, an observation window and an automatic control system;

[0034] The control room is arranged on a side of the stirring unit away from the material receiving unit;

[0035] The observation window is arranged on a side of the control room facing the stirring unit;

[0036] The automatic control system is arranged in the control room.

[0037] The utility model provides an integrated bentonite slurry stirring device, which has the following beneficial effects:

[0038] 1. Through the coordinated setting between the feeding dust removal mechanism and the feeding stirring mechanism, each part can be divided into a separate working area and cooperate with each other; when a problem occurs, one part can be inspected and rectified separately, which is more convenient for maintenance. Secondly, the detachable setting between the feeding dust removal mechanism and the feeding stirring mechanism can make the overall equipment assembly more convenient.

[0039] 2. The overall feeding work is completed through the division of labor in each area of ​​the feeding dust removal mechanism. During the process, the dust can be effectively controlled and the generated dust is solidified in the dust collection box through water mist to ensure the cleanliness and safety of the working environment and reduce air pollution.

[0040] 3. The automated control and efficient operation of the overall process of this equipment make the bentonite slurry preparation process faster and more efficient, reduce manual intervention and operational errors, and improve production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] Figure 1 This is a schematic diagram of the internal structure of the utility model;

[0042] Figure 2 This is a schematic diagram of the structure of the feeding dust removal mechanism of the utility model;

[0043] Figure 3 This is a schematic diagram of the structure of the feeding and stirring mechanism of the utility model;

[0044] Figure 4 It is a schematic diagram of the external structure of the utility model.

[0045] In the figure: 1. Feed dust removal mechanism; 11. Feed unit; 111. Feed box; 112. Toothed bag breaker; 113. Load-bearing platform; 114. Dust cover; 115. Air pressure lifting device; 116. Vibrating screen; 12. Dust removal unit; 121. Spray box; 122. Sprayer; 123. Dust collection box; 13. Water tank; 14. Dust removal fan; 2. Feed stirring mechanism; 21. Material receiving unit; 211. Hopper; 212. Vibrator; 213. Pneumatic valve; 214. Screw conveyor; 22. Mixing unit; 221. Mixing drum; 222. Agitator; 223. Weighing sensor; 23. Control equipment; 231. Control room; 232. Observation window; 233. Automatic control system; 24. Lower box; 3. Water inlet; 4. Water outlet pipe; 5. Water outlet valve; 6. Slurry outlet pipe; 7. Slurry outlet valve. DETAILED DESCRIPTION

[0046] In order to make the technical means, creative features, objectives and effects of the present invention easier to understand, the present invention is further described below in conjunction with specific embodiments.

[0047] In the description of the present invention, it should be understood that the terms "lateral", "longitudinal", "end", "edge", "sidewall", "up", "down", "upper part", "lower part", "directly above", "surface", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential", "end", "head" and "tail" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the technical solution of the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0048] The present application proposes an integrated bentonite slurry stirring device, which is as follows:

[0049] For reference Figure 1 and Figure 4 The present application mainly consists of a feeding dust removal mechanism 1 and a detachable feeding stirring mechanism 2 arranged at the bottom of the feeding dust removal mechanism 1; the feeding dust removal mechanism 1 and the feeding stirring mechanism 2 are both designed as independent closed boxes, which are convenient for transportation and handling, and effectively prevent dust from overflowing. The closed box is surrounded by detachable baffles, which can be removed at any time when inspecting the internal equipment. The upper and lower parts are connected by a latch. And an escalator is provided on the outside of the closed box, and the escalator is arranged on the side close to the water tank 13, which can facilitate the subsequent water addition work.

[0050] For reference Figure 2The feeding dust removal mechanism 1 is mainly used for material feeding processing, and includes a feeding unit 11, a dust removal unit 12 and a water tank 13; the feeding unit 11 is used to screen bentonite; the dust removal unit 12 is horizontally connected to the feeding unit 11, and a dust removal fan 14 is provided in the middle of the connection between the two, and the dust removal fan 14 adopts a high-power blower. During operation, the dust in the feeding unit 11 enters the dust removal unit 12 through the dust removal fan 14 for dust collection; the water tank 13 is horizontally arranged on the side of the dust removal unit 12 away from the feeding unit 11;

[0051] The feeding unit 11 is used to complete the processing work before the bentonite ton bag is fed, and includes a feeding box 111, a toothed bag breaker 112, a load-bearing platform 113, a dust cover 114, a pneumatic lifting device 115, and a vibrating screen 116; the feeding box 111 is a space for receiving materials, and there are two sets of dust covers 114 symmetrically arranged on both sides of the top of the feeding box 111; the dust cover 114 completes the conveying process of the bentonite ton bag from the top of the feeding box 111 by rotating to close and open. Further explanation, the dust cover 114 is made of two split steel plates. After the two steel plates are closed, a circular hole is left in the center for the hoisting cable channel. The dust cover 114 is connected to the load-bearing platform through a connecting rod, and the opening and closing of the dust cover 114 is driven by controlling the lifting of the load-bearing platform 113. Springs are arranged on both sides of the inner bottom wall of the feeding box 111, and the vibrating screen 116 is arranged on the top of the spring.

[0052] The air pressure lifting device 115 is arranged in the middle of the feed box 111. The air pressure lifting device 115 is an existing air pressure lifting cylinder, which will not be described in detail in this application. The moving end of the air pressure lifting device 115 is connected to the two sets of dust cover plates 114 through a connecting rod. When the air pressure lifting device 115 descends, the dust cover plates 114 are closed by the connecting rod.

[0053] The load-bearing platform 113 is arranged on the top of the air pressure lifting device 115; a toothed bag breaker 112 is arranged in the middle of its surface; the upper part of the toothed bag breaker 112 is a conical bag breaker structure composed of four toothed blades, and the lower part is a cylindrical material guide pipe; when the bentonite bag sinks by its own weight, the blade of the toothed bag breaker 112 cuts the bentonite bag, and the incision is cross-shaped; thus, the bentonite flows out from the cross incision through the cylindrical material guide pipe and falls into the vibrating screen 116 below, and continues to enter the feeding and stirring mechanism 2 after being screened by the vibrating screen 116.

[0054] Further explanation, the load-bearing platform 113 is a rectangular grid steel platform, which is welded by channel steel or square steel in a grid shape, so as to facilitate the falling of bentonite. The four corners of the platform are provided with air pressure lifting devices 115, which are existing air pressure lifting rods, for controlling the lifting of the load-bearing platform 113.

[0055] Furthermore, the dust generated during the discharge process is blown into the dust removal unit 12 through the dust removal fan 14 at the feed port, and the dust removal unit 12 includes a spray box 121, a sprayer 122 and a dust collecting box 123; the spray box 121 is arranged on one side of the feed box 111 to receive the dust blown in by the dust removal fan 14; the sprayer 122 is arranged on the top of the spray box 121, and performs spraying work in the spray box 121; the dust collecting box 123 is inserted into the spray box 121, and the dust is solidified in the dust collecting box 123 at the bottom by using water mist; it is further explained that the dust collecting box 123 is a rectangular pull-out iron trough, which is used to collect bentonite slurry after water mist dust removal, and is regularly drawn out for cleaning.

[0056] In order to ensure that the spray box 121 has a continuous water source for spraying, a water tank 13 is synchronously arranged on one side of the dust removal unit 12. A water inlet 3 is arranged on the top of the water tank 13, and water is injected into the interior through the water inlet 3. The sprayer 122 is connected to the water source in the water tank 13 through a water pump to maintain the spraying operation of the sprayer 122.

[0057] To further explain, the sprinkler 122 is composed of a plurality of nozzles and a water pump, which can be controlled to be opened and closed by the control device 23. When the dust is blown into the dust removal bin by the fan, the sprinkler is turned on to achieve the purpose of dust removal through water mist.

[0058] For reference Figure 3 When the feeding dust removal mechanism 1 has finished processing, the processed material is discharged into the feeding and stirring mechanism 2 for further processing; secondly, the feeding and stirring mechanism 2 includes a material receiving unit 21, a stirring unit 22, a control device 23 and a lower box 24; the top of the material receiving unit 21 is connected to the bottom of the feeding unit 11; the two sides of the feeding port of the stirring unit 22 are respectively in contact with the material outlet of the material receiving unit 21 and the water outlet of the water tank 13; the control device 23 is located on the side of the stirring unit 22 away from the material receiving unit 21, and is used to control the material conveying of the material receiving unit 21 and the stirring work of the stirring unit 22; the lower box 24 is used to carry the material receiving unit 21, the stirring unit 22 and the control device 23.

[0059] The material receiving unit 21 is used to receive bentonite after screening by the vibrating screen 116; wherein the material receiving unit 21 includes a hopper 211, a vibrator 212, a pneumatic valve 213 and a screw conveyor 214; the top of the hopper 211 is fixedly connected to the top wall of the lower box 24, wherein the hopper 211 is connected to the feed box 111 to receive the bentonite that falls after screening. The vibrator 212 is arranged on the outer surface of the hopper 211, and the material in the hopper 211 is continuously moved toward the lower part of the hopper 211 and enters the screw conveyor 214 arranged in the hopper 211 through the vibration of the vibrator 212. A pneumatic valve 213 is arranged near the screw conveyor 214 in the hopper 211, and the conveying of the bentonite in the hopper 211 toward the screw conveyor 214 is controlled by the pneumatic valve 213.

[0060] The bentonite in the hopper 211 is discharged to the mixing unit 22 through the screw conveyor 214, and the mixing unit 22 is used to mix the bentonite; the mixing unit 22 includes a mixing drum 221, a stirrer 222 and a weighing sensor 223; the mixing drum 221 receives the material flowing out of the screw conveyor 214 and the water outlet pipe 4 from the top position.

[0061] The top of the stirrer 222 is mounted on the top wall of the lower box 24, and the bottom is inserted into the mixing drum 221. The stirrer 222 is composed of an existing stirring motor and a stirring rod with stirring blades; the stirring motor drives the stirring rod to complete the stirring of the bentonite in the mixing drum 221. In order to inject water into the mixing drum 221 during stirring, a water outlet pipe 4 is connected and arranged at the bottom of the water tank 13; the outflow end of the water outlet pipe 4 is directed toward the mixing drum 221, and a water outlet valve 5 is arranged on the water outlet pipe 4 to control the water flow rate transported into the mixing drum 221.

[0062] In order to stir the bentonite at a specified ratio, a weighing sensor 223 is provided at the bottom of the mixing drum 221 .

[0063] In order to realize internal automatic control, a control device 23 is arranged on the side of the stirring unit 22 away from the material receiving unit 21, wherein the control device 23 comprises a control room 231, an observation window 232 and an automatic control system 233; the control room 231 is arranged on the side of the stirring unit 22 away from the material receiving unit 21; the observation window 232 is arranged on the side of the control room 231 facing the stirring unit 22, so that the operator can observe the stirring condition through the observation window 232 in the control room 231; the automatic control system 233 is arranged in the control room 231;

[0064] Before the preparation of bentonite slurry begins, the weight of bentonite and water, preset mix ratio and other parameters are set through the automatic control system 233 in the control room 231. The automatic control system 233 is equipped with a control cabinet and a weight display controller; the automatic control system 233 is equipped with a PLC display, and the system can control the screw conveyor and water pump to control the feeding according to the weight data of bentonite and water and the preset mix ratio value, and detect the feeding weight in real time. When each material reaches the set value, it starts to stir automatically according to the preset stirring time;

[0065] At the beginning of preparation, the start button of the automatic control system 233 is activated, and the screw conveyor 214 evenly conveys the bentonite in the hopper 211 to the mixing drum 221 through the screw conveyor 214, and the weighing sensor 223 set at the bottom of the mixing drum 221 transmits the weight data to the automatic control system 233 in real time. The control cabinet in the automatic control system 233 controls the conveying of the material of the screw conveyor 214, the spraying work after the water pump of the sprinkler 122 is turned on, and the execution of the water outlet valve 5 and the slurry outlet valve 7 according to the weight and the preset ratio parameters, and transmits the digital data to the weight display controller through the weighing sensor for processing and displaying the real-time detection of the feed weight data. When each material reaches the set value, the agitator 222 starts to automatically enter the mixing time. After the material in the mixing drum 221 is evenly stirred, it enters the external slurry storage barrel after the slurry outlet valve 7 on the slurry outlet pipe 6 at the bottom of the mixing drum 221 is opened to complete the overall work.

[0066] In the utility model, the working steps of the device are as follows:

[0067] 1. First, the bentonite ton bag is hoisted to the feed box 111 by the lifting device, and the load-bearing platform is controlled to descend by the air pressure lifting device 115, and the connecting rod is driven to pull the dust cover plate to close;

[0068] 2. Secondly, the bentonite bag is pressed on the toothed bag breaker 112 by its own weight, and the bentonite in the bag falls to the vibrating screen 116 below through the cylindrical guide pipe, and enters the bottom hopper 211 after being screened by the vibrating screen 116. The dust generated during the discharge process is blown to the dust removal unit 12 by the dust removal fan 14 at the feed inlet, and the dust is solidified in the dust collection box 123 at the bottom by the dust removal unit 12 with water mist;

[0069] 3. Then, do the preparatory work of mixing. Before the preparation of bentonite slurry begins, the weight of bentonite and water, preset mix ratio and other parameters are set through the automatic control system 233 in the control room 231;

[0070] 4. Finally, the feeding and stirring mechanism 2 is controlled by the automatic control system 233 to perform stirring work according to the expected setting, and after stirring, the slurry outlet valve 7 on the slurry outlet pipe 6 is opened and discharged into the external slurry storage barrel.

[0071] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited to the above embodiments. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of protection claimed by the utility model. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. An integrated bentonite slurry stirring device, characterized in that: It comprises a feeding dust removal mechanism (1) and a detachable feeding stirring mechanism (2) arranged at the bottom of the feeding dust removal mechanism (1); The feeding dust removal mechanism (1) comprises a feeding unit (11), a dust removal unit (12) and a water tank (13); the feeding unit (11) is used for screening bentonite; the dust removal unit (12) is transversely connected to the feeding unit (11), and a dust removal fan (14) is provided in the middle of the connection between the two; dust in the feeding unit (11) enters the dust removal unit (12) through the dust removal fan (14) for dust collection; the water tank (13) is transversely arranged on a side of the dust removal unit (12) away from the feeding unit (11); The feeding and stirring mechanism (2) comprises a material receiving unit (21), a stirring unit (22), a control device (23) and a lower box (24); the top of the material receiving unit (21) is connected to the bottom of the feeding unit (11); the two sides of the feeding port of the stirring unit (22) are respectively in contact with the material outlet of the material receiving unit (21) and the water outlet of the water tank (13); the control device (23) is located on a side of the stirring unit (22) away from the material receiving unit (21) and is used to control the material conveying of the material receiving unit (21) and the stirring work of the stirring unit (22); the lower box (24) is used to carry the material receiving unit (21), the stirring unit (22) and the control device (23).

2. The integrated bentonite slurry stirring device according to claim 1, characterized in that: The feeding unit (11) comprises a feeding box (111), a toothed bag breaker (112), a load-bearing platform (113), a dust cover (114), an air pressure lifting device (115) and a vibrating screen (116); The feed box (111) is used to receive materials, and the bottom is connected to the top of the lower box (24); The dust cover plate (114) is arranged on the top of the feed box (111); The air pressure lifting device (115) is arranged in the feed box (111); The load-bearing platform (113) is arranged on the top of the air pressure lifting device (115); The tooth-shaped bag breaker (112) is arranged in the middle of the upper surface of the load-bearing platform (113); Springs are arranged on both sides of the inner bottom wall of the feed box (111), and the vibrating screen (116) is arranged on the top of the springs.

3. The integrated bentonite slurry stirring device according to claim 2, characterized in that: The toothed bag breaker (112) has a conical bag breaker structure composed of four toothed blades at the upper part and a cylindrical material guide tube at the lower part.

4. The integrated bentonite slurry stirring device according to claim 1, characterized in that: The dust removal unit (12) comprises a spray box (121), a sprayer (122) and a dust collection box (123); The spray box (121) is arranged on one side of the feed box (111); The sprayer (122) is arranged on the top of the spray box (121); The dust collection box (123) is inserted into the bottom of the spray box (121).

5. The integrated bentonite slurry stirring device according to claim 1, characterized in that: The material receiving unit (21) comprises a hopper (211), a vibrator (212), a pneumatic valve (213) and a screw conveyor (214); The top of the hopper (211) is fixedly connected to the inner top wall of the lower box (24), wherein the hopper (211) is in communication with the feed box (111); The vibrator (212) is arranged on the outer surface of the hopper (211); The pneumatic valve (213) is arranged at the bottom of the hopper (211); The screw conveyor (214) is arranged at the bottom of the hopper (211).

6. The integrated bentonite slurry stirring device according to claim 1, characterized in that: The top of the water tank (13) is provided with a water inlet (3), the bottom of the water tank (13) is provided with a water outlet pipe (4), and the water outlet pipe (4) is provided with a water outlet valve (5).

7. The integrated bentonite slurry stirring device according to claim 1, characterized in that: The stirring unit (22) comprises a stirring drum (221), a stirrer (222) and a weighing sensor (223); The mixing drum (221) receives the materials flowing out of the screw conveyor (214) and the water outlet pipe (4) from the top; The top of the agitator (222) is installed in the lower box (24), and the bottom is inserted into the mixing drum (221); The weighing sensor (223) is arranged at the bottom of the mixing drum (221).

8. The integrated bentonite slurry stirring device according to claim 7, characterized in that: A slurry discharge pipe (6) is provided at the bottom of the mixing drum (221), and a slurry discharge valve (7) is provided on the surface of the slurry discharge pipe (6).

9. The integrated bentonite slurry stirring device according to claim 1, characterized in that: The control device (23) includes a control room (231), an observation window (232) and an automatic control system (233); The control chamber (231) is arranged on a side of the stirring unit (22) away from the material receiving unit (21); The observation window (232) is arranged on a side of the control chamber (231) facing the stirring unit (22); The automatic control system (233) is arranged in the control room (231).

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