CN114988657A

CN114988657A - Black and odorous river sediment in-situ remediation device and remediation method based on microbial immobilization technology

Info

Publication number: CN114988657A
Application number: CN202210513128.2A
Authority: CN
Inventors: 辛立勋; 俞丽萍; 洪隽琰
Original assignee: Shanghai Landscape Group Co ltd
Current assignee: Shanghai Landscape Group Co ltd
Priority date: 2022-05-12
Filing date: 2022-05-12
Publication date: 2022-09-02
Anticipated expiration: 2042-05-12
Also published as: CN114988657B

Abstract

The invention discloses a black and odorous river sediment in-situ remediation device and an in-situ remediation method based on a microbial immobilization technology, wherein the remediation device structurally comprises a first box body, a driving motor is arranged on the surface of the top of the first box body, a second box body is arranged at the bottom of the first box body, a second rotating shaft penetrating through and extending to the bottom of the second box body is arranged at the output end of the driving motor, two sides of the bottom of the second box body are rotatably connected with a tank body, and two sides of the bottom of the second box body are provided with hollow cylinders penetrating through and extending to the bottom of the tank body; according to the black and odorous river channel sediment in-situ restoration method based on the microbial immobilization technology, garbage in the black and odorous river channel sediment is removed through a driving motor and a conveying disc, and organic matters in the black and odorous river channel sediment are treated by microbes through the driving motor, a material containing box and a tank body. The black and odorous river channel bottom mud in-situ remediation device and the remediation method provided by the invention realize the purpose of in-situ remediation of the black and odorous river channel bottom mud based on a microbial curing technology.

Description

Black and odorous river sediment in-situ remediation device and remediation method based on microbial immobilization technology

Technical Field

The invention relates to the technical field of black and odorous river sediment in-situ remediation, in particular to a black and odorous river sediment in-situ remediation method based on a microorganism immobilization technology.

Background

Most urban river channels in China have evolved into black and odorous river channels, organic pollution of the river channels is ubiquitous and increasingly prominent in many cities in China, urban sewage directly flows into the river channels, the pollution is serious when the urban sewage flows through urban river sections, and seasonal or perennial black and odorous water bodies are all water environment problems to be solved urgently in the urban river channel pollution problem in China.

The prior art has the following defects or problems:

1. the existing black and odorous river sediment treatment only salvages and cleans garbage in sludge in the place, and the bottom sediment of the black and odorous river cannot be well treated in situ;

2. the black and odorous river sediment is an extreme phenomenon of organic pollution, and is caused by the fact that water is anoxic and organic matters are decayed, and the organic matters in the river sediment cannot be decomposed when the existing black and odorous river sediment is treated, so that the black and odorous river sediment cannot be treated fundamentally.

Disclosure of Invention

The invention aims to provide a black and odorous river sediment in-situ remediation method based on a microorganism immobilization technology aiming at the defects of the prior art so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a black and odorous river sediment normal position prosthetic devices, its structure is including first box, the top surface of first box is provided with driving motor, the bottom of first box is provided with the second box, driving motor's output is provided with the second pivot that runs through and extend to second bottom of the case portion, the bottom both sides of second box are all rotated and are connected with a jar body, the bottom both sides of second box all are provided with the hollow cylinder that runs through and extend to jar body bottom, the top inner wall both sides of first box are all rotated and are connected with the first pivot that runs through and extend to the hollow cylinder bottom, the outer lane that first pivot is located hollow cylinder inside is provided with the delivery tray.

As a preferred technical scheme of the present invention, a supporting seat is disposed on a top surface of the first box, the driving motor is disposed on a top of the supporting seat and penetrates through the supporting seat, and an output end of the driving motor is connected to a top end of the first rotating shaft through a coupling.

As a preferable technical solution of the present invention, there are two first rotating shafts respectively located at two sides of the second rotating shaft, and the outer ring of the first rotating shaft located inside the first box is provided with two second pulleys.

As a preferable technical solution of the present invention, the first rotating shaft is provided with a first belt pulley on both inner and outer rings of the first box, and the first belt pulley on the right side is connected with a second belt pulley provided on the upper portion of the second rotating shaft through a first transmission belt.

In a preferred embodiment of the present invention, the first pulley on the left side is connected to a second pulley provided on a lower portion of the second rotating shaft via a second belt.

As a preferable technical scheme of the invention, the two sides of the first box body are respectively provided with a material containing box, and the top surface of the material containing box is provided with a feeding hopper which penetrates through and extends into the material containing box.

As a preferable technical scheme, the bottom of the material containing box is provided with a conveying pipe which penetrates through the material containing box and extends to the inside of the tank body, two sides of the second box body are respectively hinged with a box door, and one side of each box door is hinged with a handle.

As a preferred technical scheme of the invention, gear rings are arranged on the tops of the outer rings of the two tank bodies, and a gear is arranged at the bottom end of the second rotating shaft and is meshed with the gear rings.

As a preferred technical scheme, a plurality of groups of through holes are formed in the upper parts of the outer rings of the two hollow cylinders, and meshes are formed in the bottoms of the two tank bodies.

As a preferred technical scheme of the invention, the method also comprises the following steps;

s1, firstly, the device can be placed in a riverway to be cleaned, then, cultured microorganisms can enter a material containing box through a feeding hopper, then, a driving motor can be started, a second rotating shaft can be driven to rotate, a second belt pulley can be driven to rotate, a first belt pulley can be driven to rotate through a driving belt, a first rotating shaft can be driven to rotate, the first rotating shaft can rotate to drive a conveying disc to rotate, and the conveying disc rotates to convey bottom mud of the riverway to the riverway through the conveying disc;

s2, because the upper part of the hollow cylinder is separately provided with the through hole, when the conveying disc conveys sludge and the sludge is conveyed to the through hole formed in the hollow cylinder, the sludge flows from the through hole formed in the hollow cylinder and flows into the tank body, along with the continuous rotation of the conveying disc, the sludge in the hollow cylinder flows from the through hole formed in the upper part of the hollow cylinder, and the garbage in the sludge is conveyed to the second tank body along with the conveying disc;

s3, when the output end of the driving motor rotates, the driving motor can drive the gear to rotate, and further can drive the tank body to rotate through the gear ring, when the tank body rotates, microorganisms cultured in the material containing box flow into the tank body through the conveying pipe, and due to the fact that the bottom of the tank body is provided with the meshes, sludge flowing into the tank body and the microorganisms cultured in the tank body and conveyed by the conveying pipe are mixed;

s4, mixing the sludge flowing into the tank body with the microbes cultured in the tank body conveyed by the conveying pipe, and allowing the mixture to flow into the river channel through the meshes formed in the bottom of the tank body, so that organic matters in the bottom mud of the black and odorous river channel can be treated by the microbes, and the purpose of in-situ remediation of the bottom mud of the black and odorous river channel is achieved;

s5, after the black and odorous river sediment is repaired in situ, the box door can be opened by pulling the handle of the box door, and the sludge in the second box body can be cleaned.

Compared with the prior art, the invention provides the in-situ remediation method of the black and odorous river sediment based on the microbial immobilization technology, and the method has the following beneficial effects:

1. the invention relates to a black and odorous river sediment in-situ remediation method based on a microorganism immobilization technology, which comprises the steps of arranging a driving motor, a conveying disc and the like, opening the driving motor, driving a second rotating shaft to rotate, further driving a second belt pulley to rotate, driving a first belt pulley to rotate through a transmission belt, further driving a first rotating shaft to rotate, further driving the conveying disc to rotate, further conveying the bottom sediment of a river channel through the conveying disc, wherein through holes are formed in the upper part of a hollow cylinder, when the conveying disc conveys the sludge, the sludge flows from the through holes formed in the hollow cylinder and flows into a tank body when the sludge is conveyed to the through holes formed in the hollow cylinder, the sludge in the hollow cylinder flows from the through holes formed in the upper part of the hollow cylinder along with the continuous rotation of the conveying disc, and the garbage in the sludge is conveyed to a second tank body along with the conveying disc, thereby realizing the removal of the garbage in the bottom mud of the black and odorous river.

2. According to the black and odorous river channel bottom mud in-situ remediation method based on the microorganism immobilization technology, the driving motor, the material containing box, the tank body and the like are arranged, when the output end of the driving motor rotates, the gear can be driven to rotate, and then the tank body can be driven to rotate through the gear ring, microorganisms cultured in the material containing box can flow into the tank body through the conveying pipe, and due to the fact that the bottom of the tank body is provided with the meshes, sludge flowing into the tank body and the microorganisms cultured in the conveying pipe conveyed into the tank body are mixed and flow into a river channel through the meshes formed in the bottom of the tank body, and therefore organic matters in the black and odorous river channel bottom mud can be treated by the microorganisms, and the purpose of in-situ remediation of the black and odorous river channel bottom mud is achieved.

Drawings

Fig. 1 is a schematic overall structure diagram of the in-situ black and odorous river sediment repair device.

Fig. 2 is a schematic sectional structure view of a first box in the device for in-situ remediation of bottom mud in a black and odorous river.

Fig. 3 is a schematic structural diagram of a tank in the black and odorous river sediment in-situ remediation device.

Fig. 4 is a schematic structural diagram of the bottom of a tank in the in-situ repair device for bottom mud in a black and odorous river channel.

Fig. 5 is a schematic sectional structural view of a hollow cylinder in the in-situ repair device for bottom mud in a black and odorous river channel.

Fig. 6 is a schematic flow chart of the black and odorous river sediment in-situ remediation method based on the microbial immobilization technology.

Reference numerals: 1. a first case; 2. a drive motor; 3. a supporting base; 4. a hopper; 5. a material containing box; 6. a delivery pipe; 7. a second case; 8. a hollow cylinder; 9. a delivery tray; 10. a tank body; 11. a first pulley; 12. a first rotating shaft; 13. a second pulley; 14. a ring gear; 15. a gear; 16. a second rotating shaft; 17. and (4) a box door.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 and 2, in the present embodiment: the utility model provides a black and odorous river sediment normal position prosthetic devices, the device is based on microorganism immobilization technical design development completion. The repairing device structurally comprises a first box body 1, a driving motor 2, a supporting seat 3, a material containing box 5, a hollow cylinder 8, a conveying disc 9 and a tank body 10.

Wherein, the surface of the top of the first box body 1 is provided with a driving motor 2, the bottom of the first box body 1 is provided with a second box body 7, the output end of the driving motor 2 is provided with a second rotating shaft 16 which penetrates through and extends to the bottom of the second box body 7, both sides of the bottom of the second box body 7 are rotatably connected with a tank body 10, both sides of the bottom of the second box body 7 are provided with hollow cylinders 8 which penetrate through and extend to the bottom of the tank body 10, both sides of the inner wall of the top of the first box body 1 are rotatably connected with first rotating shafts 12 which penetrate through and extend to the bottoms of the hollow cylinders 8, the outer rings of the first rotating shafts 12 positioned inside the hollow cylinders 8 are provided with conveying discs 9, the driving motor 2 and the conveying discs 9 are arranged, the driving motor 2 can be opened, the second rotating shaft 16 can be driven to rotate, and then the second belt pulley 13 can be driven to rotate, the first belt pulley 11 is driven to rotate through a driving belt, and then can drive first pivot 12 and rotate, can drive transfer dish 9 and rotate, and then can come through transfer dish 9 transport with the bed mud in river course, because hollow cylinder 8's upper portion separately is equipped with the through-hole, at this moment transfer dish 9 when conveying silt, silt is when carrying the through-hole department of seting up on hollow cylinder 8 this moment, silt will flow from the through-hole department that hollow cylinder 8 seted up this moment, and flow to jar body 10 in, along with the continuous rotation of transfer dish 9, silt in the hollow cylinder 8 can be followed the through-hole mesolow department that hollow cylinder 8 upper portion was seted up and come, and rubbish in the silt can be along with transfer dish 9 transports to the second box 7 in, thereby realized cleaing away the rubbish in the black and odorous river course bed mud.

Referring to fig. 3, 4 and 5, in this embodiment, a supporting seat 3 is disposed on a top surface of a first box 1, a driving motor 2 is disposed on a top of the supporting seat 3 and penetrates through the supporting seat 3, an output end of the driving motor 2 is connected to a top end of a first rotating shaft 12 through a coupling, two first rotating shafts 12 are disposed on two sides of a second rotating shaft 16, a second belt pulley 13 is disposed on an outer ring of the first rotating shaft 12 inside the first box 1, two second belt pulleys 13 are disposed on the second rotating shaft 12, a first belt pulley 11 is disposed on an inner outer ring of the first box 1, a right first belt pulley 11 is connected to the second belt pulley 13 disposed on an upper portion of the second rotating shaft 16 through a first transmission belt, the left first belt pulley 11 is connected to the second belt pulley 13 disposed on a lower portion of the second rotating shaft 16 through a second transmission belt, material containing boxes 5 are disposed on two sides of the first box 1, the top surface of the material containing box 5 is provided with a feeding hopper 4 which penetrates through and extends to the interior of the material containing box 5, the bottom of the material containing box 5 is provided with a conveying pipe 6 which penetrates through and extends to the interior of the tank body 10, two sides of the second box body 7 are respectively hinged with a box door 17, one side of the box door 17 is respectively hinged with a handle, the top parts of the outer rings of the two tank bodies 10 are respectively provided with a gear ring 14, the bottom end of a second rotating shaft 16 is provided with a gear 15, the gear 15 is meshed with the gear rings 14, the upper parts of the outer rings of the two hollow cylinders 8 are provided with a plurality of groups of through holes, the bottoms of the two tank bodies 10 are provided with meshes, through the arrangement of a driving motor 2, the material containing box 5, the tank bodies 10 and the like, when the output end of the driving motor 2 rotates, the gear 15 can be driven to rotate, and then the tank bodies 10 can be driven to rotate through the gear rings 14, at the moment, microorganisms cultured in the material containing box 5 can flow into the tank bodies 10 through the conveying pipe 6, because the bottoms of the tank bodies 10 are provided with meshes, at this moment, the sludge flowing into the tank body 10 and the microbes cultured in the tank body 10 are conveyed by the conveying pipe 6 to be mixed and flow into the river channel through the meshes formed in the bottom of the tank body 10, so that organic matters in the bottom sludge of the black and odorous river channel can be treated by the microbes, and the purpose of in-situ remediation of the bottom sludge of the black and odorous river channel is achieved.

The main content of the invention is to design a new structural form of a restoration device to restore the river bottom sludge in situ, specifically to analyze the composition of the river bottom sludge according to the restoration requirement, to specifically prepare microbes for restoration in a targeted manner, and then to communicate, extract, filter and mix the microbes to realize the in situ restoration. Among them, analyzing the composition of components and formulating microorganisms are the core points of conventional techniques which are not patented in the present invention, and are not discussed in detail herein. The microorganisms in the black and odorous river sludge comprise protozoa and metazoa, wherein the protozoa are usually single cells, have no cell walls, but have differentiated organelles, and are usually three types of flagellates, gastropods and ciliates which are common in water; the class flagellates have one or more flagella, generally collectively referred to as flagellates, including trichomonas, springtail, bordetella, euglena, endophytic, and the like; the body of the copepoda only has a thin film formed by cytoplasm, is small in size and mostly has no fixed form, including amoeba, heliothis, and the like; cilia are present on the body surface of cilia, and are classified into swimming type and stationary type using cilia as organelles for movement and ingestion, including hornworm, oblique canal worm, bean-shaped worm, kidney-shaped worm, paramecium, roaming worm, tenons, rip worm, torsades de la, ticks, hemiplegia, polypide worm, adductor, capsuliasis, etc. Metazoan are multicellular animals other than protozoans, wherein microscopic metazoan need to be observed by means of a microscope, and the species include rotifers, nematodes, oligochaeta, and planktonic crustaceans. The microorganisms used for repairing the sludge at the bottom of the black and odorous river also comprise microbial floras, such as nitrosospira, rhodospirillum, lactobacillus, bacillus licheniformis and the like, and are also conventional flora choices.

As shown in fig. 6, the invention further includes an in-situ remediation method of the black and odorous river sediment based on the microbial immobilization technology, and the working process is as follows:

s1, placing the repairing device in the riverway to be cleaned, and conveying the bottom mud of the riverway. At first can place the prosthetic devices of above-mentioned structure in the river course of treating the clearance, the microorganism that will cultivate enters into flourishing workbin 5 through loading hopper 4, later opens driving motor 2, drives second pivot 16 and rotates, and then drives second belt pulley 13 and rotate, drives first belt pulley 11 through the drive belt and rotates, and then drives first pivot 12 and rotate, and first pivot 12 rotates and drives delivery tray 9 and rotate, through delivery tray 9 rotates and comes the bed mud of river course to be transported through delivery tray 9.

S2, the sludge is screened and separated, the sludge flows into the tank body from the through hole formed in the hollow cylinder, and the garbage in the sludge is conveyed into the second box body along with the conveying disc. Through holes are separately formed in the upper part of the hollow cylinder 8, when the conveying disc 9 conveys sludge, when the sludge is conveyed to the through holes formed in the hollow cylinder 8, the sludge flows from the through holes formed in the hollow cylinder 8 and flows into the tank body 10, along with the continuous rotation of the conveying disc 9, the sludge in the hollow cylinder 8 flows from the through holes formed in the upper part of the hollow cylinder 8, and the garbage in the sludge is conveyed into the second tank body 7 along with the conveying disc 9.

S3, the microorganism cultured in the material containing box flows into the tank body, and the sludge and the cultured microorganism are mixed and repaired. When the output end of the driving motor 2 rotates, the gear 15 is driven to rotate, the tank body 10 is driven to rotate through the gear ring 14, when the tank body 10 rotates, microorganisms cultured in the material containing box 5 flow into the tank body 10 through the conveying pipe 6, the bottom of the tank body 10 is provided with meshes, and sludge flowing into the tank body 10 and the microorganisms cultured in the tank body 10 through the conveying pipe 6 are mixed.

And S4, the sludge after mixed remediation flows into the river channel through the meshes at the bottom of the tank body. After sludge flowing into the tank body 10 and microorganisms cultured in the tank body 10 conveyed by the conveying pipe 6 are mixed, the mixed sludge flows into a river channel through meshes formed in the bottom of the tank body 10, and the purpose of treating organic matters in bottom mud of the black and odorous river channel by the microorganisms to repair the bottom mud of the black and odorous river channel in situ is achieved.

And S5, cleaning the garbage in the sludge. After the bottom mud of the black and odorous river channel is repaired in situ, the box door 17 is opened by pulling the handle of the box door 17, and the sludge garbage in the second box body 7 is cleaned out.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. 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. An in-situ repair device for bottom mud of a black and odorous river channel is characterized by comprising a first box body (1), a driving motor (2) is arranged on the top surface of the first box body (1), a second box body (7) is arranged at the bottom of the first box body (1), the output end of the driving motor (2) is provided with a second rotating shaft (16) which penetrates through and extends to the bottom of the second box body (7), both sides of the bottom of the second box body (7) are rotatably connected with a tank body (10), both sides of the bottom of the second box body (7) are provided with hollow cylinders (8) which penetrate through and extend to the bottom of the tank body (10), both sides of the inner wall of the top of the first box body (1) are rotatably connected with a first rotating shaft (12) which penetrates through and extends to the bottom of the hollow cylinder (8), and a conveying disc (9) is arranged on the outer ring of the first rotating shaft (12) positioned in the hollow cylinder (8).

2. The in-situ black and odorous river sediment repair device according to claim 1, characterized in that: the top surface of first box (1) is provided with supporting seat (3), driving motor (2) set up at the top of supporting seat (3) and run through supporting seat (3), the output of driving motor (2) passes through the shaft coupling and is connected with the top of first pivot (12).

3. The black and odorous river sediment in-situ remediation device of claim 1, wherein: first pivot (12) have two, and are located the both sides of second pivot (16) respectively, first pivot (12) are located the inside outer lane of first box (1) and are provided with second belt pulley (13), second belt pulley (13) have two.

4. The black and odorous river sediment in-situ remediation device of claim 3, wherein: the first rotating shaft (12) is located on the inner outer ring of the first box body (1) and is provided with a first belt pulley (11), and the first belt pulley (11) is connected with a second belt pulley (13) arranged on the upper portion of the second rotating shaft (16) through a first transmission belt.

5. The black and odorous river sediment in-situ remediation device of claim 4, wherein: the first belt pulley (11) on the left side is connected with a second belt pulley (13) arranged on the lower portion of a second rotating shaft (16) through a second transmission belt.

6. The black and odorous river sediment in-situ remediation device of claim 1, wherein: the two sides of the first box body (1) are provided with material containing boxes (5), and the top surfaces of the material containing boxes (5) are provided with feeding hoppers (4) which penetrate through and extend into the material containing boxes (5).

7. The in-situ black and odorous river sediment repair device according to claim 6, characterized in that: the bottom of containing box (5) is provided with and runs through and extends to conveyer pipe (6) inside jar body (10), the both sides of second box (7) all articulate there is chamber door (17), one side of chamber door (17) all articulates there is the handle.

8. The black and odorous river sediment in-situ remediation device of claim 1, wherein: the top of the outer ring of the two tank bodies (10) is provided with a gear ring (14), the bottom end of the second rotating shaft (16) is provided with a gear (15), and the gear (15) is meshed with the gear ring (14).

9. The black and odorous river sediment in-situ remediation device of claim 1, wherein: a plurality of groups of through holes are formed in the upper parts of the outer rings of the two hollow cylinders (8), and meshes are formed in the bottoms of the two tank bodies (10).

10. An in-situ remediation method of black and odorous river sediment based on a microorganism immobilization technology, which is based on the development of the remediation device of any one of claims 1 to 9, and is characterized by comprising the following specific steps:

s1, firstly, the repairing device can be placed in a riverway to be cleaned, cultured microorganisms enter a material containing box (5) through a feeding hopper (4), then a driving motor (2) is started to drive a second rotating shaft (16) to rotate, further a second belt pulley (13) is driven to rotate, a first belt pulley (11) is driven to rotate through a driving belt, further a first rotating shaft (12) is driven to rotate, the first rotating shaft (12) rotates to drive a conveying disc (9) to rotate, and sediment in the riverway is conveyed up through the conveying disc (9) through the rotation of the conveying disc (9);

s2, separately arranging through holes at the upper part of the hollow cylinder (8), when the sludge is conveyed to the through holes formed on the hollow cylinder (8) by the conveying disc (9), the sludge flows from the through holes formed on the hollow cylinder (8) and flows into the tank body (10), along with the continuous rotation of the conveying disc (9), the sludge in the hollow cylinder (8) flows from the through holes formed on the upper part of the hollow cylinder (8), and the garbage in the sludge is conveyed to the second box body (7) along with the conveying disc (9);

s3, when the output end of the driving motor (2) rotates, the gear (15) is driven to rotate, the tank body (10) is driven to rotate through the gear ring (14), when the tank body (10) rotates, microorganisms cultured in the material containing box (5) flow into the tank body (10) through the conveying pipe (6), meshes are formed in the bottom of the tank body (10), and sludge flowing into the tank body (10) and the microorganisms cultured in the tank body (10) conveyed by the conveying pipe (6) are mixed;

s4, mixing sludge flowing into the tank body (10) with microbes cultured in the tank body (10) conveyed by the conveying pipe (6), and allowing the mixture to flow into a river channel through meshes formed in the bottom of the tank body (10), so that organic matters in bottom mud of the black and odorous river channel are treated by the microbes to achieve the purpose of in-situ remediation of the bottom mud of the black and odorous river channel;

s5, after the bottom mud of the black and odorous river channel is repaired in situ, the door (17) is opened by pulling the handle of the door (17), and the mud in the second box body (7) is cleaned.