CN112354463A

CN112354463A - Microorganism mixing device for contaminated soil remediation

Info

Publication number: CN112354463A
Application number: CN202011431803.4A
Authority: CN
Inventors: 蔡妙珍; 严剑超; 周俊
Original assignee: Zhejiang Normal University CJNU
Current assignee: Zhejiang Normal University CJNU
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-02-12

Abstract

The invention discloses a microbial mixing device for contaminated soil remediation, comprising a mixing body, a stirring structure, a cutting mechanism, a spraying mechanism and a conveying mechanism. The mixing body includes a mixing bin, an installation cover, a discharge door, a first bearing, a first Two bearings, pin structure and annular groove, the upper end of the mixing chamber is fixed with a mounting cover by bolts, the second bearing is symmetrically installed on the surface of the mounting cover, the first bearing is installed on the lower surface of the mixing chamber, and the lower surface of the mixing chamber is connected by hinges There is a discharge door, and the inner wall of the mixing bin is provided with an annular groove. The mixing device conveys soil to the inside of the mixing chamber through the conveying mechanism, and then uses the spray mechanism to spray the microbial liquid into the mixing chamber through the nozzle, and drives the driving rod, the first screw conveying paddle, the rotating rod, the cutting knife and the stirring rod through the linkage of the first motor. Rotating, stirring and breaking the soil inside the mixing bin can reduce the lump of soil and effectively improve the mixing effect of microbial liquid.

Description

Microorganism mixing device for contaminated soil remediation

Technical Field

The invention belongs to the technical field of microorganism mixing devices, and particularly relates to a microorganism mixing device for repairing polluted soil.

Background

Soil remediation refers to the physical, chemical and biological processes used to transfer, absorb, degrade and transform pollutants in soil to reduce their concentration to acceptable levels, or to transform toxic and harmful pollutants into harmless materials. Fundamentally, the technical principle of contaminated soil remediation may include: 1, changing the existing form of the pollutant in the soil or combining the pollutant with the soil, and reducing the mobility and bioavailability of the pollutant in the environment; 2 reducing the concentration of harmful substances in the soil.

The U.S. investment for contaminated soil remediation in the 90's of the 20 th century is nearly $ 1000 billion. The theory and technology of polluted soil remediation have become the frontier of the whole environmental science and technology research. The process of soil remediation is rather lengthy and currently the solution of soil pollution problems requires the combined efforts of scientists in different disciplines such as agronomy, agriculture, ecology, biogeochemistry, marine science and the decision makers of production units and governments involved in agriculture, forestry, fisheries, etc.

The quantity of microorganisms in the soil is large, and certain microorganisms such as bacteria, fungi and the like have the functions of adsorption, precipitation and oxidation reduction on heavy metals, so that the biological effectiveness of the heavy metals in the polluted soil can be reduced, and the purpose of repairing the pollution is achieved. The microbial remediation of organic pollutants is mainly a process of converting organic pollutants in soil into carbon dioxide, water, fatty acids and other non-toxic substances by utilizing the metabolic process of microbes.

At present, a device which is specially used for mixing microorganisms and soil is not provided, and the microorganisms and the soil can not be well uniformly mixed in the polluted soil microorganism integrated treatment device, so that the effect of repairing the polluted soil by the device is not obvious enough, and the repairing effect in an ideal state can not be achieved.

Disclosure of Invention

The invention aims to provide a microorganism mixing device for repairing polluted soil, which solves the problem that the existing device cannot uniformly mix microorganisms and soil.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a be used for polluting prosthetic microorganism of soil and sneak into device, including sneaking into the main part, the stirring structure, cutting mechanism, injection mechanism and conveying mechanism, sneak into the main part and connect rabbling mechanism, cutting mechanism, injection mechanism and conveying mechanism, the rabbling mechanism improves the inside soil mixing effect in stirring storehouse, utilize cutting mechanism to cut the stirring to the inside lumpy soil in stirring storehouse and improve the stirring and mix the quality, injection mechanism sprays to the inside soil in stirring storehouse and adds the microorganism, utilize conveying mechanism to carry soil from the low place to the inside in stirring storehouse.

The mixing main body comprises a stirring bin, an installation cover, a discharge door, a first bearing, a second bearing, a bolt structure and an annular groove, the installation cover is fixed at the upper end of the stirring bin through bolts, the second bearing is symmetrically installed on the surface of the installation cover, the first bearing is installed on the lower surface of the stirring bin, the discharge door is connected with the lower surface of the stirring bin through a hinge, the bolt structure is installed on the lower surfaces of the discharge door and the stirring bin, and the annular groove is formed in the inner wall of the stirring bin; the stirring structure comprises a first motor, a driving rod, a driving gear, a rotating fluted disc, a stirring rod and a first spiral conveying paddle, wherein the rotating shaft of the first motor is connected with the driving rod through a flange, the surface of the driving rod is provided with the first spiral conveying paddle, and the lower surface of the rotating fluted disc is provided with the stirring rod; the cutting mechanism comprises a rotating rod, a transfer gear and a cutting knife, wherein the cutting knife is arranged on the lower surface of the rotating rod, and the transfer gear is arranged on the surface of the rotating rod; the spraying mechanism comprises a water tank, a water pump, a water outlet pipe, a ring pipe and a spray head, wherein the water pump is installed on the inner side of the water tank, a water outlet of the water pump is connected with the water outlet pipe, the other end of the water outlet pipe is connected with the ring pipe, and the spray head is installed on the lower surface of the ring pipe; conveying mechanism includes conveyer pipe, second motor, installation pole, second auger delivery oar and feed inlet, the second motor is installed to the one end of conveyer pipe, the axis of rotation fixedly connected with installation pole of second motor, the fixed surface of installation pole installs the second auger delivery oar, the one end of conveyer pipe is provided with the feed inlet.

In an embodiment of the present invention, a rotating rod is fixedly installed inside the second bearing of the installation cover.

In one embodiment of the invention, a driving rod is fixedly installed inside the first bearing of the stirring bin.

In one embodiment of the present invention, the circumferential surface of the rotating fluted disc is symmetrically provided with mounting grooves, and pulleys are mounted on the inner sides of the mounting grooves.

In one embodiment of the invention, a pulley is roll-connected to the inside of the annular groove.

In one embodiment of the present invention, a transfer gear is engaged with a surface of the rotating gear, and a driving gear is engaged with a surface of the transfer gear.

In one embodiment of the invention, the water tank of the spraying mechanism is arranged on the surface of the stirring bin, and the annular pipe and the spray head are both positioned on the inner side of the stirring bin.

In one embodiment of the invention, one end of the conveying pipe of the conveying mechanism is fixedly connected to the surface of the stirring bin.

In one embodiment of the invention, the stirring rod of the stirring mechanism is in sliding connection with the inner wall of the stirring bin.

In one embodiment of the invention, the surface of the water tank is provided with a liquid injection port.

Compared with the prior art, the invention has the beneficial effects that: this sneak into device passes through conveying mechanism and to the inside soil that carries in stirring storehouse, then utilizes injection mechanism to pass through the shower nozzle to spray microorganism liquid in the stirring storehouse, drives actuating lever, first auger delivery oar, dwang, cutting knife and puddler through first motor linkage and rotates, stirs the breakage to the inside soil in stirring storehouse, can reduce soil and become cubic, and effectual improvement microorganism liquid sneak into the effect.

Drawings

FIG. 1 is a cross-sectional view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view of the overall structure of the present invention;

FIG. 3 is a schematic view of the mounting cap of the present invention;

fig. 4 is a schematic view of the overall structure of the present invention.

In the figure: 100 mixing main body, 110 stirring bin, 120 discharging door, 130 bolt structure, 140 first bearing, 150 installing cover, 160 second bearing, 170 annular groove, 200 stirring mechanism, 210 first motor, 220 driving gear, 230 rotating fluted disc, 231 installing groove, 232 pulley, 240 stirring rod, 250 driving rod, 260 first spiral conveying paddle, 300 cutting mechanism, 310 rotating rod, 320 transfer gear, 330 cutting knife, 400 spraying mechanism, 410 water tank, 420 water pump, 430 water outlet pipe, 440 annular pipe, 450 spray head, 460 liquid injection port, 500 conveying mechanism, 510 conveying pipe, 520 second motor, 530 installing rod, 540 second spiral conveying paddle, 550 feeding port.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

Referring to fig. 1, 2 and 4, a microorganism mixing device for contaminated soil remediation includes a mixing main body 100, a stirring structure 200, a cutting mechanism 300, an injection mechanism 400 and a conveying mechanism 500, wherein the mixing main body 100 is connected with the stirring mechanism 200, the cutting mechanism 300, the injection mechanism 400 and the conveying mechanism 500, the stirring mechanism 200 improves the mixing effect of soil inside the stirring bin 110, the cutting mechanism 300 is used for cutting and stirring lumpy soil inside the stirring bin 110 to improve the stirring and mixing quality, the injection mechanism 400 is used for injecting and adding microorganisms to the soil inside the stirring bin 110, and the conveying mechanism 500 is used for conveying the soil from a lower position to the inside of the stirring bin 110.

Referring to fig. 1, the mixing main body 100 includes a mixing bin 110, an installation cover 150, a discharge door 120, a first bearing 140, a second bearing 160, a latch structure 130 and an annular groove 170, the installation cover 150 is fixed to the upper end of the mixing bin 110 through a bolt, the second bearing 160 is symmetrically installed on the surface of the installation cover 150, the first bearing 140 is installed on the lower surface of the mixing bin 110, the discharge door 120 is hinged to the lower surface of the mixing bin 110, the latch structure 130 is installed on the lower surfaces of the discharge door 120 and the mixing bin 110, and the annular groove 170 is formed in the inner wall of the mixing bin 110.

Referring to fig. 1 and 2, the stirring structure 200 includes a first motor 210, a driving rod 250, a driving gear 220, a rotating fluted disc 230, a stirring rod 240 and a first spiral conveying paddle 260, the first motor 210 drives the driving rod 250 to rotate, the first spiral conveying paddle 260 drives the soil inside the stirring bin 110 to tumble up and down, the rotating shaft of the first motor 210 is connected to the driving rod 250 through a flange, the first spiral conveying paddle 260 is disposed on the surface of the driving rod 250, the stirring rod 240 is disposed on the lower surface of the rotating fluted disc 230, the rotating fluted disc 230 rotates, and the soil inside the stirring bin 110 is stirred by the stirring rod 240.

Referring to fig. 1, the cutting mechanism 300 includes a rotating rod 310, a transfer gear 320 and a cutting knife 330, the cutting knife 330 is disposed on the lower surface of the rotating rod 310, the transfer gear 320 is disposed on the surface of the rotating rod 310, the driving gear 220 drives the transfer gear 320 to rotate, so that the rotating rod 310 rotates, and the cutting knife 330 is driven to rotate to cut and stir the soil in the stirring bin 110.

Referring to fig. 1 and 4, the spraying mechanism 400 includes a water tank 410, a water pump 420, a water outlet pipe 430, a ring pipe 440 and a spraying head 450, the water pump 420 is installed inside the water tank 410, a water outlet of the water pump 420 is connected with the water outlet pipe 430, the other end of the water outlet pipe 430 is connected with the ring pipe 440, the spraying head 450 is installed on the lower surface of the ring pipe 440, the water pump 420 pumps water from the water tank 410, and water is sprayed to the inner side of the stirring bin 110 through the water outlet pipe 430 via the spraying head 450 on the surface of.

Referring to fig. 1, the conveying mechanism 500 includes a conveying pipe 510, a second motor 520, a mounting rod 530, a second screw conveying paddle 540 and a feeding hole 550, the second motor 520 is mounted at one end of the conveying pipe 510, the mounting rod 530 is fixedly connected to a rotating shaft of the second motor 520, the second screw conveying paddle 540 is fixedly mounted on the surface of the mounting rod 530, the mounting rod 530 and the second screw conveying paddle 540 are located inside the conveying pipe 510, the feeding hole 550 is disposed at one end of the conveying pipe 510, and the feeding hole 550 feeds the soil to be conveyed to the inner side of the mixing bin 110 through the conveying pipe 510 by the second motor 520 driving the mounting rod 530 and the second screw conveying paddle 540 to rotate.

Referring to fig. 1, 2 and 3, a rotation rod 310 is fixedly installed inside the second bearing 160 of the installation cover 150, and an upper end of the rotation rod 310 is installed inside the second bearing 160 to reduce friction force during rotation.

Referring to fig. 1, a driving rod 250 is fixedly installed inside the first bearing 140 of the stirring bin 110, an upper end of the driving rod 250 is connected to the rotating shaft of the first motor 210 through a flange, and a lower end of the driving rod 250 is fixed inside the second bearing 160, so that the driving rod 250 is more stable when rotating.

Referring to fig. 2, the circumferential surface of the rotating toothed disc 230 is symmetrically provided with 4 mounting grooves 231, and pulleys 232 are mounted inside the mounting grooves 231.

Referring to fig. 1 and 2, the pulley 232 is rotatably connected to the inner side of the annular groove 170, and the pulley 232 is rotatably connected to the inner side of the annular groove 170 to reduce friction with the annular groove 170 when the rotating toothed disc 230 rotates.

Referring to fig. 2, the surface of the rotating toothed disc 230 is engaged with a middle rotating toothed disc 320, the surface of the middle gear 320 is engaged with a driving gear 220, the driving rod 250 and the driving gear 220 are driven by the first motor 210 to rotate, the driving gear 220 drives the middle gear 320, the rotating rod 310 and the cutting knife 330 to rotate rapidly to cut and crush the soil inside the stirring bin 110, and the middle gear 320 drives the rotating toothed disc 230 and the stirring rod 240 to rotate to stir the soil inside the stirring bin 110.

Referring to fig. 1, the water tank 410 of the spraying mechanism 400 is installed on the surface of the stirring bin 110, and the annular pipe 440 and the spraying head 450 are both located inside the stirring bin 110.

Referring to fig. 1 and 4, one end of the delivery pipe 510 of the delivery mechanism 500 is fixedly connected to the surface of the stirring bin 110, and the delivery mechanism 500 delivers the soil into the stirring bin 110 along the delivery pipe 510 in an inclined direction.

Referring to fig. 1, the stirring rod 240 of the stirring mechanism 200 is slidably connected to the inner wall of the stirring bin 110, and during the rotation of the stirring mechanism 200, the stirring rod 240 is slidably connected to the inner wall of the stirring bin 110, so that the soil adhered to the inner wall of the stirring bin 110 can be effectively avoided.

Referring to fig. 1, a liquid filling port 460 is formed on a surface of the water tank 410, and a microbial liquid is added into the water tank 410 through the liquid filling port 460.

The working principle of the scheme is as follows: when the mixing device is used, the conveying mechanism 500 operates, the second motor 520 drives the mounting rod 530 and the second screw propeller 540 to rotate, soil is conveyed to the inner side of the stirring bin 110 along the conveying pipe 510, the microbial fluid in the water tank 410 is then pumped by the water pump 420 using the spraying mechanism 400, is sprayed to the inner side of the stirring bin 110 through a spray head 450 on the surface of a ring pipe 440 through a water outlet pipe 430, then the stirring mechanism 200 drives the driving rod 250 and the first screw conveying paddle 260 to rotate through the first motor 210 to roll the materials in the stirring bin 110 up and down, then the driving gear 220 drives the transfer gear 320, the rotating rod 310 and the cutting knife 330 to rotate rapidly to cut and crush the soil inside the stirring bin 110, the transfer gear 320 drives the rotary fluted disc 230 and the stirring rod 240 to rotate to stir the soil inside the stirring bin 110, so that the soil can be reduced to be blocky, and the mixing effect of the microbial liquid is effectively improved.

It should be noted that the specific model specifications of the first motor 210, the second motor 520, and the water pump 420 need to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art, so detailed description is omitted.

The power supply of the first motor 210, the second motor 520 and the water pump 420 and the principle thereof will be apparent to those skilled in the art and will not be described in detail herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. a microbial mixing device for contaminated soil remediation, is characterized in that, comprising

A mixing body (100), the mixing body (100) includes a stirring bin (110), an installation cover (150), a discharge door (120), a first bearing (140), a second bearing (160), a latch structure ( 130) and the annular groove (170), the upper end of the stirring bin (110) is fixed with a mounting cover (150) by bolts, and the surface of the mounting cover (150) is symmetrically mounted with a second bearing (160), the stirring A first bearing (140) is installed on the lower surface of the bin (110), a discharge door (120) is hinged on the lower surface of the stirring bin (110), and the discharging door (120) is connected to the stirring bin (110). ) a latch structure (130) is installed on the lower surface, and an annular groove (170) is provided on the inner wall of the stirring bin (110);

A stirring structure (200), the stirring structure (200) includes a first motor (210), a driving rod (250), a driving gear (220), a rotating toothed plate (230), a stirring rod (240) and a first screw conveyor A paddle (260), the rotating shaft of the first motor (210) is connected with a drive rod (250) through a flange, and the surface of the drive rod (250) is provided with a first screw conveying paddle (260), the rotating A stirring rod (240) is provided on the lower surface of the toothed plate (230);

A cutting mechanism (300), the cutting mechanism (300) comprises a rotating rod (310), a relay gear (320), and a cutting knife (330), and a cutting knife (330) is provided on the lower surface of the rotating rod (310), An intermediate gear (320) is arranged on the surface of the rotating rod (310);

A spray mechanism (400), the spray mechanism (400) includes a water tank (410), a water pump (420), a water outlet pipe (430), an annular pipe (440) and a spray head (450), and the inside of the water tank (410) is installed There is a water pump (420), the water outlet of the water pump (420) is connected with a water outlet pipe (430), the other end of the water outlet pipe (430) is connected with an annular pipe (440), and the lower part of the annular pipe (440) Surface mounted with nozzle (450);

A conveying mechanism (500), the conveying mechanism (500) comprises a conveying pipe (510), a second motor (520), a mounting rod (530), a second screw conveying propeller (540) and a feeding port (550), so A second motor (520) is installed at one end of the conveying pipe (510), a rotating shaft of the second motor (520) is fixedly connected with a mounting rod (530), and a surface of the mounting rod (530) is fixedly mounted with a second motor (520). Two screw conveying propellers (540), one end of the conveying pipe (510) is provided with a feeding port (550).

2 . The microbial mixing device for contaminated soil remediation according to claim 1 , wherein a rotating rod ( 310 ) is fixedly mounted on the inner side of the second bearing ( 160 ) of the mounting cover ( 150 ). 3 .

3 . The microorganism mixing device for contaminated soil remediation according to claim 1 , wherein a driving rod ( 250 ) is fixedly installed on the inner side of the first bearing ( 140 ) of the stirring bin ( 110 ). 4 .

The microbial mixing device for contaminated soil remediation according to claim 1, characterized in that: the circumferential surface of the rotating toothed plate (230) is symmetrically provided with installation grooves (231), the installation grooves A pulley (232) is installed on the inner side of (231).

5 . The microorganism mixing device for contaminated soil remediation according to claim 1 , wherein a pulley ( 232 ) is rollingly connected to the inner side of the annular groove ( 170 ). 6 .

6. A microbial mixing device for contaminated soil remediation according to claim 1, characterized in that: the surface of the rotating toothed disc (230) is meshed with a relay toothed disc (320), and the relay gear ( 320) is meshed with a driving gear (220).

7. A microbial mixing device for contaminated soil remediation according to claim 1, characterized in that: the water tank (410) of the spray mechanism (400) is installed on the surface of the stirring bin (110), and the annular Both the pipe (440) and the spray head (450) are located inside the stirring chamber (110).

8. A microbial mixing device for contaminated soil remediation according to claim 1, characterized in that: one end of the conveying pipe (510) of the conveying mechanism (500) is fixedly connected to the surface of the mixing bin (110). .

9 . The microbial mixing device for contaminated soil remediation according to claim 1 , wherein the stirring rod ( 240 ) of the stirring mechanism ( 200 ) is slidably connected to the inner wall of the stirring bin ( 110 ). 10 .

10 . The microbial mixing device for contaminated soil remediation according to claim 1 , wherein a liquid injection port ( 460 ) is provided on the surface of the water tank ( 410 ). 11 .