Device and method for reinforcing slope stability through microbial grouting under heavy rainfall condition

Abstract

The invention belongs to the technical field of slope reinforcement, and particularly relates to equipment and method for reinforcing slope stability through microbial grouting under the heavy rainfall condition, the equipment comprises a machine body assembly, the machine body assembly comprises a recycling assembly, and the bottom of the recycling assembly is connected with a filtering assembly; the breeding assembly comprises a storage assembly, and the outer side of the storage assembly is connected with a breeding assembly; and the reinforcing assembly comprises a rain shielding assembly, and the bottom of the rain shielding assembly is connected with a grouting assembly. Rainwater can be recycled, filtered and reused, meanwhile, in the filtering process, filtering assemblies can be subjected to back washing, three different types of microorganisms can be bred at the same time, the three different types of microorganisms can flow into soil layers of different depths, the reinforcing effect is improved, rainwater can be shielded according to needs, and the rainwater can be recycled. And rainwater is intensively drained, so that the rainwater is prevented from accumulating or washing the side slope to influence the reinforcing strength and stability.

Description

Technical Field

[0001] The invention belongs to the technical field of slope reinforcement, and in particular relates to a device and a method for reinforcing slope stability by microbial grouting under heavy rainfall conditions. Background Art

[0002] Slope stability is an important issue in civil engineering, especially in rainy areas or during the rainy season, where heavy rainfall can lead to geological disasters such as soil erosion and landslides, which seriously threaten human life and property. Traditional slope reinforcement methods include mechanical anchoring, geotextile covering, and vegetation restoration, but these methods are often costly and have limited effectiveness under extreme climatic conditions. In recent years, microbial grouting, as an emerging bioengineering technology, has attracted attention due to its environmental friendliness, low cost, and ability to promote soil self-repair. However, existing microbial grouting technology has obvious limitations under heavy rainfall conditions.

[0003] First, the activity and viability of microorganisms in the soil are affected by many factors, including soil pH, organic matter content, moisture, etc. Some microorganisms may perform better in shallower soil layers, while others may be more suitable for deep soil layers. The physical and chemical properties of different soil layers vary greatly, so different bacterial communities need to be released in a targeted manner. Existing grouting methods lack the ability to stratify microorganisms, which affects strength.

[0004] Secondly, under heavy rainfall conditions, the scouring force of rainwater will increase significantly, and the scouring of slopes by rainwater is one of the main reasons for the loss of reinforcement materials. When the rainfall is heavy, it is very easy for microorganisms and slurry to be washed away, thus affecting the reinforcement effect.

[0005] Finally, rainwater is a precious and indispensable natural resource, especially in drought-stricken areas or water-scarce areas. Unfortunately, the design of the grouting devices currently in widespread use does not fully consider the recycling and reuse of rainwater, which not only leads to a huge waste of precious water resources, but also fails to fully utilize this advantageous resource given by nature. Summary of the invention

[0006] The purpose of the present invention is to provide a device and method for microbial grouting to reinforce slope stability under heavy rainfall conditions, which can recycle rainwater and filter it for reuse. At the same time, during the filtration process, the filtering components can be backwashed, and three different types of microorganisms can be bred at the same time, and the three different types of microorganisms can be flowed into soil layers of different depths to improve the reinforcement effect. It can also block rainwater as needed and drain rainwater in a centralized manner to avoid rainwater accumulation or scouring of the slope, affecting the strength and stability of the reinforcement.

[0007] The technical solution adopted by the present invention is as follows:

[0008] A device for reinforcing slope stability by microbial grouting under heavy rainfall conditions, comprising a body component, the body component comprising a recovery component, the bottom of the recovery component being connected to a filter component;

[0009] A propagation component, the propagation component includes a storage component connected to the recovery component, and a breeding component is connected to the outside of the storage component;

[0010] A reinforcement component, the reinforcement component comprising a rain shield component connected to the outside of the breeding component, and a grouting component is connected to the bottom of the rain shield component;

[0011] Wherein, after the recycling component collects rainwater, the filtering component filters the rainwater and sends it to the storage component, and the breeding component is used to breed microorganisms using the collected rainwater;

[0012] The rain shielding component is used for shielding rainwater, and the grouting component is used for penetrating into the soil layer and releasing microbial slurry.

[0013] In a preferred embodiment, the recovery component includes a chassis, the top of the chassis is connected to a rain collecting cover, a large filter plate is placed on the top of the inner cavity of the rain collecting cover, a fine filter plate is fixedly connected to the bottom outlet of the rain collecting cover, and a cavity is opened at the bottom of the inner cavity of the chassis below the fine filter plate.

[0014] In a preferred embodiment, the filter assembly includes a water pump 1 fixedly connected to the top of the inner cavity of the chassis, the top inlet of the water pump 1 is connected to the cavity at the top of the inner cavity of the chassis, the bottom outlet of the water pump 1 is connected to a three-head valve, the rear port of the three-head valve is connected to a filter box, the inner cavity of the filter box is fixedly connected to filter cotton, the bottom surface of the inner cavity of the chassis is fixedly connected to a water pump 2, the inlet of the water pump 2 is connected to the rear end of the filter box, the outlet of the water pump 2 is connected to a water pipe, the front port of the three-head valve is connected to a sewage pipe, and the outlet of the sewage pipe extends out of the chassis.

[0015] In a preferred embodiment, the storage assembly includes a water tank fixedly connected to the bottom surface of the inner cavity of the chassis, the outlet of the water pipe extends into the water tank, the top surface of the water tank is fixedly connected to water pump three, the outlet of water pump three is connected to a diverter plate, and the three groups of outlets of the diverter plate are all connected to water supply pipes.

[0016] In a preferred embodiment, the breeding component includes a chamber one opened on the right side of the inner cavity of the chassis, and chambers two and three are respectively opened on the left and right sides of the front side of the inner cavity of the chassis, and the tops of chambers one, two and three are connected with diverter plates, and three groups of water pumps four are fixedly connected to the bottom of the inner cavity of the chassis, and the three groups of water pumps four are respectively connected to the bottom outlets of chamber one, chamber two and chamber three, and the outlets of the three groups of water pumps four are connected with hoses, and the top ends of the hoses extend into a merging pipe, and the merging pipe is fixedly connected to the right side of the chassis.

[0017] In a preferred embodiment, the rain shield assembly includes a reinforcing rib arranged at the lower right side of the chassis, the front and rear sides of the reinforcing rib are fixedly connected with a water guide plate, the top of the water guide plate is contacted and connected with a rain shield, the top of the rain shield is movably sleeved with a fastening bolt, the bottom end of the fastening bolt is threadedly connected to the top of the water guide plate, the bottom surface of the reinforcing rib is movably sleeved with an insertion rod 1, the top of the insertion rod 1 is fixedly connected with a limiting rod, the limiting rod is movably sleeved in the middle part of the reinforcing rib, the top end of the limiting rod extends out of the reinforcing rib and the outer ring of the protruding part is threadedly connected with a nut, and the top of the limiting rod is provided with an indicator groove.

[0018] In a preferred embodiment, the grouting assembly includes an external tube fixedly connected to the inner cavity of the reinforcing rib, and connecting valves are fixedly connected to the left and right sides of the reinforcing rib, the connecting valve is connected to the external tube, the outlet of the connecting valve is connected to an equalizing pipe, the bottom outlet of the equalizing pipe extends into the second plug rod, the second plug rod is threadedly connected to the middle part of the water guide plate, the bottom outlet of the equalizing pipe is connected to a water spray pipe, and water spray outlets are provided on both sides of the water spray pipe, and the water spray outlets are arranged on the left and right sides of the second plug rod.

[0019] In a preferred embodiment, the internal structure of the first insertion rod is completely identical to that of the second insertion rod.

[0020] In a preferred embodiment, water guide grooves are provided on both the front and rear sides of the middle of the reinforcing rib.

[0021] A method for microbial grouting to reinforce slope stability under heavy rainfall conditions, which is applicable to any of the above-mentioned microbial grouting to reinforce slope stability under heavy rainfall conditions to perform slope stabilization operations, comprising:

[0022] S1: The body component receives rainwater and sends it to the filter component for filtration. The filtered rainwater is sent to the storage component and is sucked into the breeding component for the reproduction of microorganisms.

[0023] S2: On rainy days, rain falls on the rain shield of the rain shield assembly, and is guided by the rain shield and the water guide plate into the water guide groove of the reinforcement bar for discharge, so as to prevent rainwater from accumulating or scouring the slope and affecting the reinforcement strength;

[0024] S3: The breeding component delivers three solutions containing microorganisms into the grouting component through water pump 4, and releases the three different solutions into soil layers at different heights through water spray pipes at different heights in the plug rods 1 and 2, thereby releasing microorganisms in a targeted manner according to the depth of the soil layer, thereby improving the reinforcement strength and effect;

[0025] S4: During the filtering process in S1, if the filtering part is clogged and dirty, the filter cotton in the filter box can be backwashed by driving the second water pump to absorb clean liquid to flow in the reverse direction, and the sewage can be discharged through the sewage pipe to improve the use effect and life of the filter cotton.

[0026] The technical effects achieved by the present invention are:

[0027] The recovery component and the filter component of the present invention can recover rainwater and filter it for reuse. At the same time, during the filtering process, the filter component can be backwashed, which effectively improves the filtering effect and the utilization rate of rainwater. Before grouting, the collection part of the recovery component collects and filters the rainwater, and then the driving part of the filter component sends the rainwater to its filtering part, and the filtered rainwater enters the storage component for storage. If the filtering part is blocked, the driving part of the filter component will absorb the filtered liquid and drive it to flow in the reverse direction, and the filtering part is backwashed, which improves the service life and filtering effect.

[0028] The storage component, breeding component and grouting component of the present invention can breed three different types of microorganisms at the same time, and flow the three different types of microorganisms into soil layers of different depths, thereby improving the reinforcement effect; during the microbial grouting process, the breeding component absorbs the liquid in the storage component and breeds the microorganisms, and then sends the slurry carrying the microorganisms into the grouting component, and then the diversion part of the grouting component sends the slurry into the fixed part in the soil layer, and then the slurry discharges the three different microbial slurries through the outlets of different depths of the fixed part, thereby releasing the corresponding microorganisms in the corresponding soil layer, thereby improving the reinforcement effect and strength;

[0029] The rain shield assembly of the present invention can shield rainwater as needed and drain rainwater in a centralized manner to prevent rainwater from accumulating or scouring the slope, which would affect the strength and stability of the reinforcement. In a heavy rainfall environment, the shielding portion of the rain shield assembly can be installed above the slope, and then the rainwater will fall on the shielding portion, and through drainage, the rainwater will be concentrated to the central portion of the rain shield assembly and discharged. At the same time, the rainwater falling on the slope will also be guided to the central portion of the rain shield assembly through the drainage portion of the rain shield assembly, thereby achieving the shielding and rapid discharge of rainwater, and preventing rainwater from accumulating or scouring in large quantities, which would affect the stability of the slope and the strength of the reinforcement. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0031] Figure 2 is a schematic diagram of the structure of the recycling component in the present invention;

[0032] Figure 3 is a cross-sectional schematic diagram of the chassis in the present invention;

[0033] Figure 4 is a top cross-sectional schematic diagram of the chassis of the present invention;

[0034] Figure 5 is a cross-sectional schematic diagram of the breeding component of the present invention;

[0035] Figure 6 is a cross-sectional schematic diagram of the filter box in the present invention;

[0036] Figure 7 is a schematic diagram of the position of the grouting assembly in the present invention;

[0037] Figure 8 It is a structural schematic diagram of the rain shielding assembly in the present invention;

[0038] Fig. 9 This is a disassembly effect diagram of the rain shield in the present invention;

[0039] Fig.10 It is a schematic diagram of the structure of the grouting assembly in the present invention;

[0040] Fig.11 This is a split effect diagram of the plug rod 1 in the present invention;

[0041] Fig.12 This is a split effect diagram of the second plugging rod and the water guide plate in the present invention;

[0042] Fig.13 is a cross-sectional schematic diagram of the second insertion rod in the present invention;

[0043] Fig.14 This is a diagram showing the separation of the insertion rod 1 and the external tube in the present invention;

[0044] Fig.15 It is a structural schematic diagram of the rain shield in the present invention.

[0045] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0046] 10. Machine body assembly; 11. Recovery assembly; 111. Machine chassis; 112. Rain cover; 113. Large filter plate; 114. Fine filter plate;

[0047] 12. Filter assembly; 121. Water pump 1; 122. Three-way valve; 123. Filter box; 124. Filter cotton; 125. Water pump 2;

[0048] 126, water pipe; 127, sewage pipe; 20, breeding component; 21, storage component; 211, water tank; 212, water pump three;

[0049] 213, diverter plate; 214, water supply pipe; 22, breeding component; 221, chamber one; 222, chamber two; 223, chamber three;

[0050] 224, water pump 4; 225, hose; 226, combined pipe; 30, reinforcement component; 31, rain shield component; 311, reinforcement rib;

[0051] 312, water guide plate; 313, rain shield; 314, fastening bolt; 315, plug rod 1; 316, limit rod; 317, nut;

[0052] 318. Indicator groove; 32. Grouting assembly; 321. External pipe; 322. Connecting valve; 323. Equalizing pipe; 324. Insert rod 2; 325. Water spray pipe; 326. Water spray outlet. DETAILED DESCRIPTION

[0053] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0054] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0055] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The phrase "in a preferred embodiment" that appears in different places in this specification does not refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments.

[0056] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the embodiments of the present invention in detail, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general scale, and the schematic diagrams are only examples, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0057] Example 1

[0058] Please refer to the attached Figures 1 to 3 , Figure 7As shown, it is the first embodiment of the present invention, which provides a device for microbial grouting to reinforce slope stability under heavy rainfall conditions, including a body component 10, the body component 10 includes a recovery component 11, and the bottom of the recovery component 11 is connected to a filter component 12;

[0059] The propagation component 20 includes a storage component 21 connected to the recovery component 11, and a breeding component 22 is connected to the outside of the storage component 21;

[0060] A reinforcement component 30, the reinforcement component 30 includes a rain shield component 31 connected to the outside of the breeding component 22, and a grouting component 32 is connected to the bottom of the rain shield component 31;

[0061] After the recycling component 11 collects rainwater, the filtering component 12 filters the rainwater and sends it to the storage component 21, and the breeding component 22 is used to breed microorganisms using the collected rainwater;

[0062] The rain shielding component 31 is used to shield rainwater, and the grouting component 32 is used to penetrate into the soil layer and release microbial slurry.

[0063] In this embodiment, before the reinforcement operation, the recovery component 11 recovers rainwater and sends it to the filter component 12. The filter component 12 filters the rainwater and sends it to the storage component 21. The rainwater in the storage component 21 is sucked by the breeding component 22 for the reproduction of microorganisms. When rainy days come, the rain shield component 31 can shield the rainwater, and through the guidance of the water guide strips and the water guide grooves, the rainwater is concentrated to the central part of the rain shield component 31 and discharged, which effectively avoids the accumulation of rainwater. As the microorganisms reproduce, the breeding component 22 sends the slurry containing microorganisms into the soil layer through the grouting component 32. The part of the grouting component 32 that extends into the soil layer has outlets at different heights, which can release three different microbial slurries in the soil layers at different heights, respectively, to achieve targeted microbial release, thereby improving the strength and effect of the reinforcement.

[0064] Next, please refer to Figures 1 to 3 The recovery component 11 includes a chassis 111, the top of the chassis 111 is connected to a rain collecting cover 112, a large filter plate 113 is placed on the top of the inner cavity of the rain collecting cover 112, a fine filter plate 114 is fixedly connected to the bottom outlet of the rain collecting cover 112, and a cavity is opened at the bottom of the inner cavity of the chassis 111 below the fine filter plate 114.

[0065] It should be noted that the large filter plate 113 can be directly removed for easy cleaning.

[0066] In this embodiment, in rainy weather, rainwater falls into the rain cover 112, and first passes through the large filter plate 113 for preliminary filtration to remove larger impurities, such as leaves, branches, etc. Then, the rainwater passes through the fine filter plate 114 for further filtration to remove smaller impurities and particles, ensuring that the rainwater entering the inner cavity of the chassis 111 is relatively pure. The cavity design at the bottom of the inner cavity of the chassis 111 provides space for subsequent filtration and storage processes.

[0067] Next, please refer to Figure 3 to Figure 4 , Figure 6 to Figure 7 The filter assembly 12 includes a water pump 121 fixedly connected to the top of the inner cavity of the chassis 111, the top inlet of the water pump 121 is connected to the cavity at the top of the inner cavity of the chassis 111, the bottom outlet of the water pump 121 is connected to a three-head valve 122, the rear port of the three-head valve 122 is connected to a filter box 123, the inner cavity of the filter box 123 is fixedly connected to a filter cotton 124, the bottom surface of the inner cavity of the chassis 111 is fixedly connected to a water pump 125, the inlet of the water pump 125 is connected to the rear end of the filter box 123, the outlet of the water pump 125 is connected to a water pipe 126, the front port of the three-head valve 122 is connected to a sewage pipe 127, and the outlet of the sewage pipe 127 extends out of the chassis 111;

[0068] The storage assembly 21 includes a water tank 211 fixedly connected to the bottom surface of the inner cavity of the chassis 111, the outlet of the water pipe 126 extends into the water tank 211, the top surface of the water tank 211 is fixedly connected to a water pump 3 212, the outlet of the water pump 3 212 is connected to a diverter plate 213, and the three groups of outlets of the diverter plate 213 are all connected to a water supply pipe 214.

[0069] It should be noted that the three-head valve 122 is an electronic valve, and the chassis 111 is externally connected to the mains to supply energy to the internal electrical components;

[0070] The outlet of the water pipe 126 extends into the bottom of the inner cavity of the water tank 211, so as to facilitate the extraction of liquid for backwashing;

[0071] An electronic valve is built into the outlet of the diverter plate 213 (as shown in the figure, and this is a common technical structure in the prior art, but no further description is given here), which is intended to facilitate the control of the water inlet into each chamber.

[0072] In this embodiment, after rainwater enters the chassis 111, the water pump 121 extracts rainwater and sends it into the filter box 123. After filtering by the filter cotton 124, the pure rainwater is sent to the water tank 211 for storage through the water pipe 126. When it is necessary to irrigate the microbial slurry, the water pump 3 212 is started to send the water in the water tank 211 into the diverter plate 213, and then send it into the chamber of the breeding component 22 through three groups of water pipes 214. If the filter cotton 124 is blocked, the water pump 2 125 extracts the water in the water tank 211 to flow in the reverse direction, and backwashes it through the filter cotton 124 to wash away impurities and dirt. At the same time, the three-head valve 122 is switched to the sewage pipe 127 to communicate with the filter box 123, so that the backwashed sewage is discharged through the sewage pipe 127, thereby achieving the cleaning and maintenance of the filter cotton 124, ensuring the filtering effect and the purity of the rainwater.

[0073] Next, please refer to Figures 4 to 5 The breeding component 22 includes a chamber 1 221 opened on the right side of the inner cavity of the chassis 111, and a chamber 2 222 and a chamber 3 223 are respectively opened on the left and right sides of the front side of the inner cavity of the chassis 111. The tops of chamber 1 221, chamber 2 222 and chamber 3 223 are connected with a diverter plate 213, and the bottom of the inner cavity of the chassis 111 is fixedly connected with three groups of water pumps 4 224. The three groups of water pumps 4 224 are respectively connected with the bottom outlets of chamber 1 221, chamber 2 222 and chamber 3 223, and the outlets of the three groups of water pumps 4 224 are connected with hoses 225, and the top ends of the hoses 225 extend into the merging pipe 226, and the merging pipe 226 is fixedly connected to the right side of the chassis 111.

[0074] It should be noted that the inner walls of chamber 1 221, chamber 2 222 and chamber 3 223 are all equipped with electric heating plates (not shown in the figure, and this is a common technical structure in the prior art, but no further description is given), which are intended to adjust the temperature of each chamber to facilitate the reproduction of microorganisms;

[0075] The merging tube 226 is a soft material tube, and the hoses 225 of the three chambers are gathered together and sleeved in the merging tube 226, so as to independently transport different microbial liquids of the three chambers;

[0076] The microbial solutions in the three chambers were different, for example:

[0077] The solution in the shallow area corresponding to chamber 1 221 is: calcium precipitating microbial solution (such as Bacillus), which quickly generates calcium carbonate precipitation to form a hardened layer to resist erosion by heavy rainfall;

[0078] The solution in the middle region corresponding to chamber 222 is: a biopolymer-generating bacterial community solution (e.g., Pseudomonas), where the biopolymers secreted by the microorganisms form a cementing layer between soil particles, thereby increasing the bonding force between the particles;

[0079] The solution in the deep area corresponding to chamber three 223 is: iron precipitating microbial solution (such as Desulfovibrio), and the deep microorganisms produce iron oxide precipitation, which further solidifies the deep soil and improves the compressive strength.

[0080] In this embodiment, during the grouting process, the microorganisms in chamber 1 221, chamber 2 222 and chamber 3 223 reproduce respectively and generate corresponding microbial solutions. Water pump 4 224 extracts the microbial solutions in the three chambers respectively and sends them into the merging pipe 226 through the hose 225. The merging pipe 226 sends the three microbial solutions into the grouting assembly 32. The grouting assembly 32 injects different microbial slurries into the corresponding soil layers according to the preset grouting depth and position to improve the reinforcement effect and strength.

[0081] Please refer again Figures 7 to 9 , Figure 11 to Figure 12 , Figure 14 to Figure 15 The rain shielding assembly 31 includes a reinforcing rib 311 arranged at the lower right side of the chassis 111, and the front and rear sides of the reinforcing rib 311 are fixedly connected with a water guide plate 312, and the top of the water guide plate 312 is in contact with a rain shield 313, and the top of the rain shield 313 is movably sleeved with a fastening bolt 314, and the bottom end of the fastening bolt 314 is threadedly connected to the top of the water guide plate 312, and the bottom surface of the reinforcing rib 311 is movably sleeved with an insertion rod 315, and the top of the insertion rod 315 is fixedly connected with a limiting rod 316, and the limiting rod 316 is movably sleeved in the middle of the reinforcing rib 311. The top of the limiting rod 316 extends out of the reinforcing rib 311 and the outer ring of the extending part is threadedly connected with a nut 317, and the top of the limiting rod 316 is provided with an indicating groove 318;

[0082] Water guide grooves are provided on both the front and rear sides of the middle of the reinforcing rib 311 .

[0083] It should be noted that a slope is provided on the left side of the water guide plate 312, and the water guide plate 312 is installed at an angle as a whole, so that the accumulated water on the ground can flow into the water guide groove of the reinforcing rib 311 through the guidance of the water guide plate 312;

[0084] A water guide strip is provided at the bottom of the rain shield 313, and the rain shield 313 is tilted toward the reinforcement rib 311 as a whole, so that rainwater falling on the rain shield 313 will be directly guided into the water guide groove in the reinforcement rib 311;

[0085] The top of the plug rod 1 315 is provided with three groups of inlets for receiving three different solutions. Meanwhile, the indicator groove 318 is used to indicate the installation direction of the plug rod 1 315 to prevent the plug rod 1 315 from being unable to connect with the external tube 321 .

[0086] In this embodiment, in the case of heavy rainfall, rainwater falls on the rain shield 313, is guided by the water guide strip into the water guide groove of the reinforcement rib 311, and is discharged along the water guide groove. At the same time, the design of the water guide plate 312 allows the accumulated water on the ground to be effectively guided into the water guide groove, avoiding the accumulation and infiltration of rainwater. The rain shield 313 is fixedly connected to the water guide plate 312 by the fastening bolt 314, ensuring that the rain shield 313 can be easily removed when it is not needed. The insertion rod 315 is movably connected to the reinforcement rib 311 through the limit rod 316 and the nut 317, which not only facilitates the connection of the grouting assembly 32, but also provides a prompt for the installation direction through the indicator groove 318, ensuring the correct installation and use of the equipment.

[0087] Please refer again Figure 7 , Fig.10 , Figure 12 to Figure 14 The grouting assembly 32 includes an external tube 321 fixedly connected to the inner cavity of the reinforcing rib 311, and the left and right sides of the reinforcing rib 311 are fixedly connected with connecting valves 322, and the connecting valves 322 are connected with the external tube 321. The outlet of the connecting valve 322 is connected with an equalizing tube 323, and the bottom outlet of the equalizing tube 323 extends into the second plug rod 324, and the second plug rod 324 is threadedly connected to the middle part of the water guide plate 312. The bottom outlet of the equalizing tube 323 is connected with a water spraying pipe 325, and water spraying ports 326 are opened on both sides of the water spraying pipe 325, and the water spraying ports 326 are arranged on the left and right sides of the second plug rod 324;

[0088] The internal structure of the first plug rod 315 is exactly the same as that of the second plug rod 324.

[0089] It should be noted that the inner and outer tubes 321 of the equalizing tube 323 are each built with three sets of pipes, which are intended to receive three different solutions;

[0090] The three groups of water spray pipes 325 are located at different heights, so that the three groups of solutions can effectively enter the soil layers at different depths.

[0091] In this embodiment, when the solution is grouting, the external pipe 321 receives the solution flowing out of the merging pipe 226, and then sends the solution into the plug rod 1 315, and sends the solution into the equalizing pipe 323 through the connecting valve 322. The equalizing pipe 323 sends the solution into the plug rod 2 324. The solution is further sprayed out through the water spray pipe 325 and the water spray port 326 in the plug rod 2 324 and enters the soil layer. Since the positions and heights of the three groups of water spray pipes 325 are different, the three different microbial slurries can be released in the soil layers at different heights, respectively, to achieve targeted microbial release, thereby improving the strength and effect of reinforcement.

[0092] Embodiment 2:

[0093] A method for microbial grouting to reinforce slope stability under heavy rainfall conditions, applicable to any of the above-mentioned microbial grouting to reinforce slope stability equipment under heavy rainfall conditions to perform slope stabilization operations, comprising:

[0094] S1: The body component 10 receives rainwater and sends it to the filter component 12 for filtration. The filtered rainwater is sent to the storage component 21 and is sucked into the breeding component 22 for the reproduction of microorganisms.

[0095] S2: On rainy days, rain falls on the rain shield 313 of the rain shield assembly 31, and is guided by the rain shield 313 and the water guide plate 312 to enter the water guide groove of the reinforcement rib 311 for discharge, so as to prevent rainwater from accumulating or scouring the slope and affecting the reinforcement strength;

[0096] S3: The breeding component 22 delivers the three solutions containing microorganisms into the grouting component 32 through the water pump 4 224, and releases the three different solutions into the soil layers at different heights through the water spray pipes 325 at different heights in the plug rod 1 315 and the plug rod 2 324, thereby releasing the microorganisms in a targeted manner according to the depth of the soil layer, thereby improving the reinforcement strength and effect;

[0097] S4: During the filtering process in S1, if the filtering part is clogged and dirty, the filter cotton 124 in the filter box 123 can be backwashed by driving the water pump 125 to absorb clean liquid to flow in the reverse direction, and the sewage can be discharged through the sewage pipe 127 to improve the use effect and life of the filter cotton 124.

[0098] In this embodiment, the rain shield 313 in S2 can be freely installed or removed according to the needs to reduce the cost or avoid affecting the sunlight exposure;

[0099] In S3, the solution can be discharged in batches, and then liquid is added after a certain amount of solution is discharged so that the microorganisms can continue to reproduce.

[0100] The working principle of the present invention is as follows: during rainy weather, rainwater falls into the rain cover 112, and after being filtered by the large filter plate 113 and the fine filter plate 114, the water pump 121 extracts rainwater and sends it into the filter box 123. After being filtered by the filter cotton 124, the pure rainwater is sent to the water tank 211 for storage through the water pipe 126. If the filter cotton 124 is blocked, the water pump 2 125 extracts water from the water tank 211 to backwash the filter cotton 124, and at the same time, the three-head valve 122 switches to the sewage pipe 127 to communicate with the filter box 123, so that the backwashed sewage is discharged through the sewage pipe 127. When it is necessary to irrigate the microbial slurry, the water pump 3 212 is started to send the water in the water tank 211 into the diverter plate 213, and then send it into the chamber 1 221, the chamber 2 222 and the chamber 3 223 through the three groups of water pipes 214, and generate the corresponding microbial solution. Water pump four 224 extracts the microbial solution in the three chambers respectively, and sends it into the merging pipe 226 through the hose 225. The external pipe 321 receives the solution flowing out of the merging pipe 226, and then sends the solution into the plug rod one 315, and sends the solution into the equal distribution pipe 323 through the connecting valve 322. The equal distribution pipe 323 sends the solution into the plug rod two 324. The solution is further sprayed out through the water spray pipe 325 and the water spray port 326 in the plug rod two 324 and enters the soil layer. And in the case of heavy rainfall, rainwater falls on the rain shield 313, is guided by the water guide strip into the water guide groove of the reinforcement rib 311, and is discharged along the water guide groove. At the same time, the design of the water guide plate 312 allows the accumulated water on the ground to be effectively guided into the water guide groove, avoiding the accumulation and infiltration of rainwater.

[0101] The above is only a preferred embodiment of the present invention. It should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the principles of the present invention, and these improvements and modifications should also be considered as the protection scope of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to the conventional means in the art unless otherwise specified and limited.

Claims

1. A device for strengthening slope stability by microbial grouting under heavy rainfall conditions, characterized in that: include: A machine body component (10), the machine body component (10) comprising a recovery component (11), the bottom of the recovery component (11) being connected to a filter component (12); A propagation component (20), the propagation component (20) comprising a storage component (21) connected to the recovery component (11), the outer side of the storage component (21) being connected to a breeding component (22); A reinforcement component (30), the reinforcement component (30) comprising a rain shield component (31) connected to the outside of the breeding component (22), the bottom of the rain shield component (31) being connected to a grouting component (32); wherein, after the recovery component (11) collects rainwater, the filtering component (12) filters the rainwater and sends it into the storage component (21), and the breeding component (22) is used to breed microorganisms using the collected rainwater; The rain shielding component (31) is used to shield rainwater, and the grouting component (32) is used to penetrate into the soil layer and release microbial slurry.

2. The microbial grouting equipment for reinforcing slope stability under heavy rainfall conditions according to claim 1 is characterized in that: The recovery component (11) comprises a chassis (111); the top of the chassis (111) is connected to a rain receiving cover (112); a large filter plate (113) is placed on the top of the inner cavity of the rain receiving cover (112); a fine filter plate (114) is fixedly connected to the bottom outlet of the rain receiving cover (112); and a cavity is provided at the bottom of the inner cavity of the chassis (111) below the fine filter plate (114).

3. The microbial grouting equipment for reinforcing slope stability under heavy rainfall conditions according to claim 2 is characterized in that: The filter assembly (12) comprises a water pump (121) fixedly connected to the top of the inner cavity of the chassis (111); the top inlet of the water pump (121) is in communication with the cavity at the top of the inner cavity of the chassis (111); the bottom outlet of the water pump (121) is connected to a three-head valve (122); the rear port of the three-head valve (122) is in communication with a filter box (123); the inner cavity of the filter box (123) is fixedly connected with filter cotton (124); the bottom surface of the inner cavity of the chassis (111) is fixedly connected to a water pump (125); the inlet of the water pump (125) is in communication with the rear end of the filter box (123); the outlet of the water pump (125) is in communication with a water pipe (126); the front port of the three-head valve (122) is in communication with a sewage pipe (127); the outlet of the sewage pipe (127) extends out of the chassis (111).

4. The device for strengthening slope stability by microbial grouting under heavy rainfall conditions according to claim 3 is characterized in that: The storage assembly (21) comprises a water tank (211) fixedly connected to the bottom surface of the inner cavity of the chassis (111); the outlet of the water pipe (126) extends into the water tank (211); the top surface of the water tank (211) is fixedly connected to a water pump (212); the outlet of the water pump (212) is connected to a diverter plate (213); and the three groups of outlets of the diverter plate (213) are all connected to a water supply pipe (214).

5. The device for strengthening slope stability by microbial grouting under heavy rainfall conditions according to claim 4 is characterized in that: The breeding component (22) comprises a chamber 1 (221) opened on the right side of the inner cavity of the chassis (111); chamber 2 (222) and chamber 3 (223) are respectively opened on the left and right sides of the front side of the inner cavity of the chassis (111); the tops of chamber 1 (221), chamber 2 (222) and chamber 3 (223) are all connected to a splitter plate (213); three groups of water pumps 4 (224) are fixedly connected to the bottom of the inner cavity of the chassis (111); the three groups of water pumps 4 (224) are respectively connected to the bottom outlets of chamber 1 (221), chamber 2 (222) and chamber 3 (223); and the outlets of the three groups of water pumps 4 (224) are all connected to hoses (225); the tops of the hoses (225) are all extended into a merging pipe (226); and the merging pipe (226) is fixedly connected to the right side of the chassis (111).

6. The device for strengthening slope stability by microbial grouting under heavy rainfall conditions according to claim 5 is characterized in that: The rain shielding assembly (31) comprises a reinforcing rib (311) arranged at the lower right side of the chassis (111); the front and rear sides of the reinforcing rib (311) are fixedly connected to a water guide plate (312); the top of the water guide plate (312) is contact-connected with a rain shield (313); the top of the rain shield (313) is movably sleeved with a fastening bolt (314); the bottom end of the fastening bolt (314) is threadedly connected to the top of the water guide plate (312); The bottom surface of the reinforcing rib (311) is movably sleeved with an insertion rod (315), the top end of the insertion rod (315) is fixedly connected with a limiting rod (316), the limiting rod (316) is movably sleeved in the middle of the reinforcing rib (311), the top end of the limiting rod (316) protrudes out of the reinforcing rib (311), and the outer ring of the protruding part is threadedly connected with a nut (317), and the top end of the limiting rod (316) is provided with an indicating groove (318).

7. The device for strengthening slope stability by microbial grouting under heavy rainfall conditions according to claim 6 is characterized in that: The grouting assembly (32) comprises an external tube (321) fixedly connected to the inner cavity of the reinforcing bar (311), the left and right sides of the reinforcing bar (311) are fixedly connected with connecting valves (322), the connecting valves (322) are connected with the external tube (321), the outlet of the connecting valve (322) is connected with an equalizing tube (323), the bottom outlet of the equalizing tube (323) extends into the second plug rod (324), the second plug rod (324) is threadedly connected to the middle part of the water guide plate (312), the bottom outlet of the equalizing tube (323) is connected with a water spraying tube (325), the two sides of the water spraying tube (325) are provided with water spraying ports (326), and the water spraying ports (326) are arranged on the left and right sides of the second plug rod (324).

8. The device for strengthening slope stability by microbial grouting under heavy rainfall conditions according to claim 7 is characterized in that: The internal structure of the insertion rod 1 (315) is exactly the same as that of the insertion rod 2 (324).

9. The device for strengthening slope stability by microbial grouting under heavy rainfall conditions according to claim 8, characterized in that: Water guide grooves are provided on both the front and rear sides of the middle of the reinforcing rib (311).

10. A method for strengthening slope stability by microbial grouting under heavy rainfall conditions, characterized in that: The microbial grouting slope stability reinforcement equipment suitable for carrying out slope stabilization operations under heavy rainfall conditions according to any one of claims 1 to 9 comprises: S1: The recovery component (11) receives rainwater and sends it to the filtering component (12) for filtration. The filtered rainwater is sent to the storage component (21) and is sucked into the breeding component (22) for the reproduction of microorganisms. S2: On rainy days, rain falls on the rain shield (313) of the rain shield assembly (31), and is guided by the rain shield (313) and the water guide plate (312) to be discharged into the water guide groove of the reinforcement rib (311), thereby preventing rain from accumulating or scouring the slope and affecting the reinforcement strength; S3: The breeding component (22) delivers the three solutions containing microorganisms into the grouting component (32) through the water pump four (224), and releases the three different solutions into the soil layers at different heights through the water spray pipes (325) at different heights in the plug rod one (315) and the plug rod two (324), thereby releasing the microorganisms in a targeted manner according to the depth of the soil layer, thereby improving the reinforcement strength and effect; S4: During the filtering process in S1, if the filtering part is clogged and dirty, the filter cotton (124) in the filter box (123) can be backwashed by driving the second water pump (125) to absorb clean liquid and flow in the reverse direction, and the sewage can be discharged through the sewage pipe (127), thereby improving the use effect and life of the filter cotton (124).

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