CN112403760A

CN112403760A - High-throughput microbial inoculum spraying device

Info

Publication number: CN112403760A
Application number: CN202011321348.2A
Authority: CN
Inventors: 孟晨; 岳健敏; 宋乃平; 屈建军
Original assignee: Ningxia University
Current assignee: Ningxia University
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-02-26

Abstract

The utility model provides a high-trafficability characteristic microbial inoculum spraying device, this spraying device includes jar body, platform, whitewashing subassembly, drive assembly, stirring subassembly, track and traction frame. The cooling pipe that jar internal wall was arranged communicates with the circulating water pump that sets up outside the jar body, has set up streamlined helical blade on the stirring central siphon, and the (mixing) shaft during operation, fluid goes upward through helical blade, then falls from all around, and under jar body guide plate effect, the rapid intensive mixing of microbial inoculum liquid material. The slurry pump is connected with the shooting gun through a hose. An output shaft belt pulley on one side of a speed reducer of the power system is connected with a belt pulley on a slurry pump through a belt, the slurry pump is started, and slurry is delivered to a shooting gun through a hose to implement slurry spraying operation; the belt pulley of the output shaft on the other side of the speed reducer drives the belt pulley on the oil pump to operate, and the oil pump is started, so that the hydraulic system is driven to work. The invention is provided with the cooling system, so that the microbial inoculum which generates high temperature during stirring can be rapidly cooled, and the high permeability is ensured by installing the crawler walking device.

Description

High-throughput microbial inoculum spraying device

Technical Field

The invention belongs to the field of mountain area and sand slope surface protection devices, and particularly relates to a high-trafficability microbial inoculum spraying device.

Background

The microorganism induced calcium carbonate precipitation technology (MICP) can be used for ecological restoration and ecological construction in mines and desert areas, the Pasteurella pasteurianus commonly used in the MICP technology belongs to nonpathogenic bacteria, the bacillus pasteurianus has strong survivability in severe environments of high saline-alkali, acid-alkali and the like, the urease generated by the metabolism of the bacillus pasteurianus is utilized to form calcium carbonate precipitation, and the generated inorganic compound is filled and cemented between sandy soil and rock soil and has the effect similar to cement. The prior spraying device has the advantages that the walking system is a wheel, the walking trafficability of the spraying device in deserts and mountainous areas is poor, the working efficiency is low, and the spraying device is not suitable for large-scale and large-area spraying; in addition, in the spraying process, a cooling system is not arranged in the tank body filled with the microbial inoculum liquid, the microbial inoculum is easy to deteriorate due to high temperature generated in the stirring process of the microbial inoculum, the spraying quality is reduced, and the spraying process is not suitable for spraying the microbial inoculum; the existing device has the problems of low advancing efficiency and difficult transition because the advancing power source is a hand-pushing mode. Therefore, the spraying of the microbial agent is limited by the spraying device in the conventional means, and the application of the MICP technology in mine restoration and sand control is hindered.

Disclosure of Invention

The invention aims to solve the problems of the conventional microbial inoculum spraying device and provides a high-permeability microbial inoculum spraying device which integrates feeding, stirring, cooling, a high-pressure spray gun and a crawler travelling mechanism.

The technical scheme of the invention is as follows: the utility model provides a high-trafficability characteristic microbial inoculum spraying device, this spraying device includes jar body, platform, whitewashing subassembly, drive assembly, stirring subassembly, track and traction frame. The tank body is provided with a stirring shaft mounting flange and a microbial inoculum inlet on the upper cover, symmetrical stirring shafts are arranged on two sides of the microbial inoculum inlet, a guide plate is arranged in the middle of a bottom plate of the tank body, the guide plate can guide liquid between the two stirring shafts to the space of the other side, so that the fluid flows along the inner wall in the tank body, cooling pipes arranged on the inner wall of the tank body are communicated with a circulating water pump arranged outside the tank body, and circulating water in the tank body flows circularly through the circulating water pump; the stirring assembly comprises a pair of hydraulic motors and two symmetrical stirring shafts, the stirring shafts are connected with the hydraulic motors, and the stirring shafts rotate under the control of the hydraulic motors; the stirring shaft tube is provided with streamline helical blades, the inclination angle of the helical blades is 30-45 degrees, when the stirring shaft works, fluid goes upwards through the helical blades and then falls down from the periphery, meanwhile, the fluid enters into a stirring space of the other side along with the helical blades in a circular motion under the action of the guide plate, and the microbial inoculum liquid and the material are rapidly and fully mixed under the action of large circulation and small circulation. The guniting component comprises a high-lift slurry pump and a shooting gun with good streamline shape, and the slurry pump is connected with the shooting gun through a hose and is suitable for spraying viscous liquid. The traction power adopts the power of a tractor, the traction frame is provided with the tank body, and the crawler traveling device is arranged below the traction frame, so that the rapid operation on mountainous regions and sand is ensured. The platform is arranged in front of the tank body, and an operator can stand on the platform to operate the spray gun to spray. The power system of the rear output shaft of the tractor comprises a speed reducer, wherein an output shaft belt pulley on one side of the speed reducer is connected with a belt pulley on a slurry pump through a belt, the slurry pump is started, and the slurry is sent to a spray gun through a hose to implement slurry spraying operation; the belt pulley of the output shaft on the other side of the speed reducer drives the belt pulley on the oil pump to operate, and the oil pump is started, so that the hydraulic system is driven to work.

The invention has the following beneficial effects:

1. the invention uses the tractor as the traction power, can be flexibly moved by the tractor, can spray the microbial inoculum during the moving process, and has high efficiency and low labor intensity.

2. According to the heavy microbial inoculum tank, the walking device below the heavy microbial inoculum tank is changed into the crawler belt, so that the cross-country performance of the tractor is fully utilized under the traction of the tractor, and the rear output power is strong, so that the device is strong in trafficability, and is suitable for traffic of special terrains such as mountainous regions, deserts and the like.

3. The invention is provided with the cooling system, so that the microbial inoculum which generates high temperature during stirring can be rapidly cooled, and the biological activity and the survival rate of the microbial inoculum are enhanced.

4. The blades on the stirring shaft form a certain angle with the horizontal plane, local surge flow is generated during stirring, bacteria liquid is quickly mixed, the stirring system is driven by a hydraulic motor, the transmission is simple, the power is large, and the performance is reliable.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural diagram of the transmission and guniting assembly of the invention.

FIG. 3 is a schematic view of the external structure of the can body of the present invention.

Fig. 4 is a sectional view of a can structure of the present invention.

FIG. 5 is a schematic view of the internal structure of the can body according to the present invention.

FIG. 6 is a schematic view of the stirring assembly of the present invention.

In fig. 1-6: 1-tank body, 2-platform, 3-guniting component, 4-transmission component, 5-traction frame, 6-stirring component, 7-crawler belt, 101-installation of first stirring shaft flange, 102-microbial agent inlet, 103-installation of second stirring shaft flange, 105-tank body bottom plate, 106-positioning sleeve, 107-cooling pipe, 110-guide plate, 111-arc bottom edge, 112-curved surface, 301-shooting gun, 302-slag slurry pump, 303-hose, 304-valve, 401-first belt pulley, 402-first belt, 403-speed reducer, 404-second belt pulley, 405-third belt pulley, 406-second belt pulley, 407-third belt pulley, 408-oil pump, 601-paddle blade, 602-belt, 603-axle tube, 604-coupling, 605-hydraulic motor, 606-helical blade.

Detailed Description

In order to make the embodiments of the present invention more clear, the following description is given with reference to examples, and it will be apparent to those skilled in the art that other drawings can be obtained without inventive effort.

Example 1: referring to fig. 1-6, the spraying device for high-permeability microbial inoculum comprises a tank body 1, a platform 2, a guniting assembly 3, a transmission assembly 4, a stirring assembly 6, a crawler 7 and a traction frame 5. The upper cover of the tank body 1 is provided with a microbial inoculum inlet 102, symmetrical stirring shafts are arranged on two sides of the microbial inoculum inlet 102 through a first mounting stirring shaft flange 101 and a second mounting stirring shaft flange 103, a guide plate 110 is arranged in the middle of a bottom plate 105 of the tank body, and the guide plate 110 can guide liquid between the two stirring shafts to the space of the other side so as to enable the fluid to flow along the inner wall in the tank body. A cooling system is arranged in the tank body 1, the cooling system comprises cooling pipes 107 arranged along the inner wall of the tank body and a circulating water pump communicated with the cooling pipes, and the circulating pump is arranged above the valve 304; the stirring assembly 6 comprises a pair of hydraulic motors 605 and two symmetrical stirring shafts, the stirring shafts are connected with the hydraulic motors 605, and the stirring shafts rotate under the control of the hydraulic motors 605; the shaft tube 603 is provided with a streamline spiral blade 606, the inclination angle of the spiral blade 606 is 30-45 degrees, when the stirring shaft works, fluid goes upwards through the spiral blade 606 and then falls down from the periphery, and simultaneously the fluid also makes circular motion along with the spiral blade 606, enters under the action of the guide plate 110 and enters into the stirring space of the other side, and under the action of large circulation and small circulation, the microbial inoculum liquid is quickly and fully mixed; the bottom of the tank body 1 is provided with a positioning sleeve 106, and a shaft head 602 on the stirring shaft is matched with the positioning sleeve 106 on the bottom of the tank body and used for positioning the stirring shaft to prevent the stirring shaft from shaking; paddle 601 is arranged at the lower section of the shaft tube of the stirring shaft, and the paddle 601 is arranged to be lengthened, so that the stirring efficiency is improved, and the effect of fully stirring the microbial inoculum is achieved. The guniting assembly 3 comprises a high-lift slurry pump 302 and a well-streamlined gun 301 adapted to spray viscous liquid. The traction power adopts tractor power, the tank body 1 is arranged on the traction frame 5, and the crawler traveling device is arranged below the traction frame 5, so that the rapid operation on mountainous regions and sand is ensured. The platform 2 is arranged in front of the tank body 1, and an operator can stand on the platform 2 to operate the spray gun 301 to carry out spraying operation. The rear output shaft power system of the tractor comprises a speed reducer 403, a first belt pulley 401 on one side of the speed reducer is connected with a second belt pulley 404 on a slurry pump 302 through a first belt 402, the slurry pump 302 is started, and slurry reaches a shooting gun 301 through a hose 303 to implement slurry spraying operation; and an output shaft pulley III 405 on the other side of the speed reducer drives a pulley III 407 on the oil pump 408 to operate, and the oil pump 408 is started to drive the hydraulic system to work.

Claims

1. A high-permeability microbial inoculum spraying device is characterized by comprising a tank body, a platform, a slurry spraying assembly, a transmission assembly, a stirring assembly, a track and a traction frame, wherein a stirring shaft mounting flange and a microbial inoculum inlet are arranged on an upper cover of the tank body, two symmetrical stirring shafts are arranged on two sides of the microbial inoculum inlet through the stirring shaft mounting flange, a guide plate is arranged in the middle of a bottom plate of the tank body, the guide plate can guide liquid between the two stirring shafts to an opposite space, so that the fluid flows along the inner wall in the tank body, a cooling pipe arranged on the inner wall of the tank body is communicated with a circulating water pump arranged outside the tank body, and circulating flow of cooling water in the tank; the stirring assembly comprises a pair of hydraulic motors and two symmetrical stirring shafts, the stirring shafts are connected with the hydraulic motors, and the stirring shafts rotate under the control of the hydraulic motors; the guniting component comprises a slurry pump and a gun, and the slurry pump is connected with the gun through a hose; the tank body is arranged on the traction frame, and the crawler traveling device is arranged below the traction frame; a platform for operating the spray gun to carry out spraying operation is arranged in front of the tank body; the power system of the rear output shaft of the tractor comprises a speed reducer, wherein an output shaft belt pulley on one side of the speed reducer is connected with a belt pulley on a slurry pump through a belt, the slurry pump is started, and the slurry is sent to a spray gun through a hose to implement slurry spraying operation; the belt pulley of the output shaft on the other side of the speed reducer drives the belt pulley on the oil pump to operate, and the oil pump is started, so that the hydraulic system is driven to work.

2. The high-throughput inoculant spraying apparatus of claim 1, wherein: the shaft tube of the stirring shaft is provided with streamline spiral blades, and the inclination angle of the spiral blades is 30-45 degrees.

3. The high-throughput inoculant spraying apparatus of claim 1, wherein: the lower section of the shaft tube of the stirring shaft is provided with a blade.

4. The high-throughput inoculant spraying apparatus of claim 1, wherein: the bottom of the tank body is provided with a positioning sleeve, and a shaft head on the stirring shaft is matched with the positioning sleeve on the bottom of the tank body for positioning the stirring shaft.

5. The high-permeability microbial inoculum spraying device of claim 1 or 3, which is characterized in that: the blades on the stirring shaft are arranged into lengthened type which can improve the stirring efficiency.