CN213771773U - Ecological island for purifying heavy metal in river bottom mud - Google Patents
Ecological island for purifying heavy metal in river bottom mud Download PDFInfo
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- CN213771773U CN213771773U CN202022823829.5U CN202022823829U CN213771773U CN 213771773 U CN213771773 U CN 213771773U CN 202022823829 U CN202022823829 U CN 202022823829U CN 213771773 U CN213771773 U CN 213771773U
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Abstract
The utility model relates to the technical field of river treatment equipment, in particular to an ecological island for purifying heavy metal in river bottom mud, which comprises a physical and chemical repairing piece and a biological repairing piece; the bioprosthetic part comprises: the top wall of the biological repair frame is fixedly connected with the bottom wall of the floating bed, and the side wall is covered with an isolation net; a plant layer and a microorganism layer are arranged in the bioremediation frame in a separated mode; the physicochemical repair member includes: the side wall of the water pumping pipe is fixedly connected with the side wall of the floating bed, a water pump is arranged on the water pumping pipe, and a first filter screen is arranged in the water pumping pipe and below the water pump; one end of the circulating pipe is communicated and fixedly connected with the water pumping pipe, a Venturi tube is arranged on the circulating pipe, the throat of the Venturi tube is communicated with the chemical box through a communicating pipe, and an electromagnetic valve is arranged on the communicating pipe; the top end of the water discharge pipe is communicated and fixedly connected with the circulating pipe. The utility model discloses use ecological island as the carrier, carry out physics, chemistry and biological comprehensive improvement to the bed mud heavy metal in the river, realize the purification of heavy metal then.
Description
Technical Field
The utility model relates to a river treatment equipment technical field is an ecological island of purifying river bed mud heavy metal particularly.
Background
With the rapid development of economy and the annual increase of population, the environmental problems brought by industrial wastewater and domestic sewage are increasingly serious, and the urban river pollution is gradually intensified; the pollution condition of the water body bottom mud is an important factor for comprehensively measuring the water environment quality condition, most heavy metals brought into the water body are rapidly converted from a water phase to a solid phase under the actions of physical precipitation, chemical adsorption and the like, are deposited in the river bottom mud and are possibly released again when the environmental condition is changed, so that the heavy metal concentration of the water body is increased, and obvious secondary pollution is caused; at present, the treatment of heavy metal pollution of river bottom mud at home and abroad mainly comprises physical, chemical and biological treatment.
The ecological floating island is used for degrading COD, nitrogen and phosphorus contents in water by using the principle of ecological engineering aiming at eutrophic water qualityArtificial floating island. It can greatly raise transparency of water body, at the same timeIndex of water qualityAlso can effectively improve the quality, and particularly has good inhibiting effect on algae. The most important effect of the ecological floating island on water purification is to utilize the root system of the plant to absorb eutrophic substances in water, such asTotal phosphorus、Ammonia nitrogenAnd organic matters and the like, so that the nutrition of the water body is transferred, the phenomena of fishy smell and eutrophication of the water body caused by the insufficient closing or self-circulation of the water body are reduced, and the ecological floating island has ornamental value.
In the prior art, the purification method of the heavy metal in the river bottom mud usually adopts physical, chemical, biological or combination treatment of the three at regular intervals, and when repairing, a worker carrying a ship is often needed and is positioned above a river channel for treatment, so that the treatment is inconvenient, and certain manual consumption is generated, so that the purification of the heavy metal in the river bottom mud is delayed.
SUMMERY OF THE UTILITY MODEL
The technique that exists is not enough to the aforesaid, the utility model aims at providing a purify ecological island of river bed mud heavy metal, the utility model discloses use ecological island as the carrier, carry out physics, chemistry and biological comprehensive improvement to the bed mud heavy metal in the river, be convenient for then realize the purification of heavy metal.
In order to solve the technical problem, the utility model adopts the following technical scheme:
an ecological island for purifying river bottom mud heavy metals, comprising: physicochemical and biological restorations;
the bioprosthetic part comprises:
the biological repairing device comprises a hollow floating bed and a biological repairing frame, wherein the hollow floating bed is horizontally arranged, the top end of the biological repairing frame is provided with an opening, the top wall of the biological repairing frame is fixedly connected with the bottom wall of the floating bed, and an isolation net covers the side wall of the biological repairing frame; a plant layer and a microorganism layer are arranged in the biological repair frame at intervals, and the plant layer is positioned above the microorganism;
the physicochemical repair member includes:
the side wall of the water pumping pipe is fixedly connected with the side wall of the floating bed, a water pump is arranged on the water pumping pipe, and a first filter screen is arranged in the water pumping pipe and below the water pump;
one end of a horizontally arranged circulating pipe is communicated and fixedly connected with the top end of the water pumping pipe, a Venturi tube is arranged on the circulating pipe, the throat of the Venturi tube is communicated with the chemical box through a communicating pipe, and an electromagnetic valve is arranged on the communicating pipe;
the top end of the vertically arranged drain pipe is fixedly connected with the circulating pipe in a penetrating way.
Preferably, a propeller is arranged on the side wall of the biological repair frame close to the physical and chemical repair piece, and the propeller is in wireless connection with a remote controller.
Preferably, a bracket is arranged at the top of the floating bed, a solar power supply device is arranged on the bracket, and the solar power supply device is electrically connected with the water pump, the electromagnetic valve and the propeller respectively.
Preferably, the drinking-water pipe bottom fixedly connected with leaks hopper-shaped water sucking mouth, be provided with the second filter screen in the water sucking mouth.
Preferably, the plant layer includes the emergent aquatic plant layer, floats plant layer, submerged plant layer and the soil horizon that sets gradually from top to bottom.
Preferably, the microbial layer includes:
the non-woven fabric carriers are arranged side by side and are fixedly arranged in the biological repair frame;
and mixed fermentation strains are filled between any two adjacent non-woven fabric carriers.
Preferably, the bottom of drain pipe just link up perpendicularly and be provided with the drainage chamber, the bottom in drainage chamber is provided with a plurality of drainage channel side by side.
Compared with the prior art, the utility model discloses the beneficial effect who has is:
1. the utility model discloses be provided with ecological chinampa, ecological chinampa is when effectively realizing the effect of purifying the water, and bioremediation spare and physical chemistry restoration spare use ecological chinampa as the carrier, are convenient for carry out bioremediation and physical chemistry restoration when ecological chinampa removes, have realized the purpose of river course eutrophication and heavy metal pollution's purification and treatment simultaneously.
2. The utility model is provided with a biological repair part, which carries out biological repair through emergent aquatic plants, floating plants, submerged plants and microorganisms; the utility model is provided with a physical and chemical repairing piece, water in the river enters the Venturi tube under the action of the water pump, negative pressure is formed at the throat of the Venturi tube, solid medicinal powder in the medicament box enters the Venturi tube under the action of the negative pressure and is rapidly dissolved in the Venturi tube to form mixed medicinal liquid, and the mixed medicinal liquid is discharged through the drain pipe to realize chemical repairing of the medicinal liquid on heavy metal pollution; in the process of discharging water or mixed liquid medicine, under the action of a water pump, the mixed liquid medicine or water is injected into the bottom mud, so that pollutants in soil can be analyzed when the bottom mud flows through a soil layer to be treated, the adsorption-desorption characteristics, oxidation-reduction potential, interfacial tension, pH value, distribution, dissolution, precipitation states and the like of the soil and the pollutants are changed, the solubility of heavy metal pollutants is increased, the heavy metal pollutants and the mixed liquid medicine form emulsion or are subjected to chemical reaction, the heavy metal pollutants in the soil are promoted to be removed, and physical and chemical remediation is realized.
Drawings
FIG. 1 is a side view of an ecological island for purifying heavy metals in river sediment according to the present invention;
fig. 2 is the utility model discloses a purify ecological island drainage chamber and drainage channel stereogram of river bed mud heavy metal.
Description of reference numerals:
1. floating bed; 2. a bioremediation rack; 3. a water pumping pipe; 4. a first filter screen; 5. a water pump; 6. a flow-through tube; 7. a venturi tube; 8. a communicating pipe; 9. a kit; 10. an electromagnetic valve; 11. a drain pipe; 12. a propeller; 13. a bracket; 14. a solar power supply; 15. a water suction port; 16. a second filter screen; 17. a non-woven fabric carrier; 18. a drainage cavity; 19. a drainage channel.
Detailed Description
The following description of the preferred embodiments and the accompanying drawings are combined to provide a detailed description of the embodiments and the drawings.
Example 1
An ecological island for purifying river bottom mud heavy metals, comprising: the soil heavy metal biological repairing method comprises a physical and chemical repairing piece and a biological repairing piece, wherein the physical and chemical repairing piece is fixedly connected to the biological repairing piece, the physical and chemical repairing piece carries out physical and chemical repairing on the soil heavy metal, and the biological repairing piece carries out biological repairing on the soil heavy metal through plants and microorganisms;
the bioprosthetic part comprises:
the floating bed 1 realizes that the ecological island floats on the water surface; the top wall of the biological repair frame 2 with an opening at the top end is fixedly connected with the bottom wall of the floating bed 1, and an isolation net is covered on the side wall; a plant layer and a microorganism layer are arranged in the biological repair frame 2 in a separating way by a transverse plate, and the plant layer is positioned above the microorganism; the plant layer comprises a emergent aquatic plant layer, a floating plant layer, a submerged plant layer and a soil layer which are sequentially arranged from top to bottom; the microbial layer includes: a plurality of non-woven fabric carriers 17 arranged side by side and fixedly arranged in the biological repair frame 2; the mixed fermentation strain is filled between any two adjacent non-woven fabric carriers 17, and heavy metal elements are separated or the toxicity of the heavy metal elements is reduced by a biochemical method, a biological flocculation method and the like by utilizing the surface structure characteristics and the biochemical metabolic action of the strain microorganism so as to achieve the purpose of treating pollution, wherein the strain comprises sulfate reducing bacteria, thiobacillus ferrooxidans, escherichia coli and halophyte calcium alginate fixed fungi.
The physicochemical repair member includes:
the side wall of the water pumping pipe 3 is fixedly connected with the side wall of the floating bed 1, a water pump 5 is arranged on the water pumping pipe 3, and a first filter screen 4 is arranged in the water pumping pipe 3 and below the water pump 5; the bottom end of the water pumping pipe 3 is fixedly connected with a funnel-shaped water suction port 15, and a second filter screen 16 is arranged in the water suction port 15;
one end of a horizontal circulating pipe 6 is fixedly communicated with the top end of the water pumping pipe 3, a Venturi tube 7 is arranged on the circulating pipe 6, the throat of the Venturi tube 7 is communicated with a medicament box 9 through a communicating pipe 8, and an electromagnetic valve 10 is arranged on the communicating pipe 8;
a vertically arranged drain pipe 11, the top end of which is fixedly communicated with the circulating pipe 6; the bottom end of the drain pipe 11 is vertically and penetratingly provided with a drain cavity 18, and the bottom of the drain cavity 18 is provided with a plurality of drain channels 19 in parallel; the length of the water discharge pipe 11 is larger than that of the water pumping pipe 3.
Under the action of a water pump 5, water in a river is filtered by a first filter screen 4 and a second filter screen 16 and then enters a circulating pipe 6 through a water pumping pipe 3, negative pressure is formed at the throat of a Venturi tube 7, solid medicinal powder in a medicament box 9 enters the Venturi tube 7 under the action of the negative pressure and is rapidly dissolved in the Venturi tube 7 to form mixed medicinal liquid, the mixed medicinal liquid is discharged through a water discharge pipe 11 and is shunted through a water discharge channel 19, so that the mixed medicinal liquid and the water are injected into bottom mud, pollutants in the soil can be analyzed when the mixed medicinal liquid flows through a soil layer to be treated, the adsorption-desorption characteristics, oxidation-reduction potential, interfacial tension, pH value, distribution, dissolution, precipitation state and the like of the soil and the pollutants are changed, the solubility of the heavy metal pollutants is increased, the heavy metal pollutants and the mixed medicinal liquid form emulsion or undergo chemical reaction, and the removal of the heavy metal pollutants in the soil is promoted, realize physical and chemical repair.
Example 2
On embodiment 1's basis, for the convenience of administering the different regional heavy metal bed mud in river, the utility model discloses still be provided with propeller 12, set up to be close to the physical chemistry restoration piece on the 2 lateral walls of bioremediation frame, propeller 12 and remote controller wireless connection.
In order to supply power to electrical appliances, a bracket 13 is arranged at the top of the floating bed 1, a solar power supply device 14 is arranged on the bracket 13, the solar power supply device 14 is electrically connected with the water pump 5, the electromagnetic valve 10 and the propeller 12 respectively, and the type of the solar power supply device is TY-050A.
Principle of use
When the utility model is used, a precipitator or a flocculating agent is added into the chemical box 9, the ecological island is arranged above the water surface of the river, then the control switches of the water pump 5 and the electromagnetic valve 10 are opened, and physical chemistry and biological repair are carried out, and after the treatment is finished, the control switches of the water pump 5 and the electromagnetic valve 10 are closed;
if different areas are repaired, the control switch of the propeller 12 is turned on, and the ecological island is remotely operated through a remote controller, so that the ecological island is located above the river water surface of the area to be treated for treatment.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (7)
1. The utility model provides an ecological island of purification river bed mud heavy metal which characterized in that includes: physicochemical and biological restorations;
the bioprosthetic part comprises:
the biological repairing device comprises a hollow floating bed (1) and a biological repairing frame (2) which is horizontally arranged and has an opening at the top end, wherein the top wall of the biological repairing frame (2) is fixedly connected with the bottom wall of the floating bed (1), and an isolation net covers the side wall of the biological repairing frame; a plant layer and a microorganism layer are arranged in the biological repair frame (2) at intervals, and the plant layer is positioned above the microorganism;
the physicochemical repair member includes:
the side wall of the water pumping pipe (3) is fixedly connected with the side wall of the floating bed (1), a water pump (5) is arranged on the water pumping pipe (3), and a first filter screen (4) is arranged in the water pumping pipe (3) and below the water pump (5);
one end of a horizontal circulating pipe (6) is communicated and fixedly connected with the top end of the water pumping pipe (3), a Venturi tube (7) is arranged on the circulating pipe (6), the throat of the Venturi tube (7) is communicated with a medicament box (9) through a communicating pipe (8), and an electromagnetic valve (10) is arranged on the communicating pipe (8);
and the top end of the vertically arranged drain pipe (11) is fixedly communicated with the circulating pipe (6).
2. The ecological island for purifying the heavy metals in the bottom sediment of a river as claimed in claim 1, wherein a propeller (12) is arranged on the side wall of the biological repairing frame (2) close to the physical and chemical repairing piece, and the propeller (12) is wirelessly connected with a remote controller.
3. The ecological island for purifying heavy metal in bottom sediment of river as claimed in claim 2, wherein a bracket (13) is disposed on the top of the floating bed (1), a solar power supply device (14) is disposed on the bracket (13), and the solar power supply device (14) is electrically connected to the water pump (5), the electromagnetic valve (10) and the propeller (12), respectively.
4. The ecological island for purifying the heavy metal in the bottom sediment of a river as claimed in claim 1, wherein a funnel-shaped water suction port (15) is fixedly connected to the bottom end of the water suction pipe (3), and a second filter screen (16) is arranged in the water suction port (15).
5. The ecological island for purifying the heavy metal in the bottom sediment of the river as claimed in claim 1, wherein the plant layer comprises a emergent water plant layer, a floating plant layer, a submerged plant layer and a soil layer which are arranged from top to bottom in sequence.
6. The ecological island for purifying river bottom mud heavy metals according to claim 1, wherein the microorganism layer comprises:
a plurality of non-woven fabric carriers (17) which are arranged side by side and are fixedly arranged in the biological repair frame (2);
and mixed fermentation strains are filled between any two adjacent non-woven fabric carriers (17).
7. The ecological island for purifying the heavy metal in the bottom sediment of the river as claimed in claim 1, wherein a drainage cavity (18) is vertically and penetratingly arranged at the bottom end of the drainage pipe (11), and a plurality of drainage channels (19) are arranged side by side at the bottom of the drainage cavity (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022823829.5U CN213771773U (en) | 2020-11-30 | 2020-11-30 | Ecological island for purifying heavy metal in river bottom mud |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022823829.5U CN213771773U (en) | 2020-11-30 | 2020-11-30 | Ecological island for purifying heavy metal in river bottom mud |
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| Publication Number | Publication Date |
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| CN213771773U true CN213771773U (en) | 2021-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022823829.5U Active CN213771773U (en) | 2020-11-30 | 2020-11-30 | Ecological island for purifying heavy metal in river bottom mud |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115745184A (en) * | 2022-11-25 | 2023-03-07 | 江苏凯进生态建设有限公司 | Ecological restoration device and method for slow-flow water body pollution |
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2020
- 2020-11-30 CN CN202022823829.5U patent/CN213771773U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115745184A (en) * | 2022-11-25 | 2023-03-07 | 江苏凯进生态建设有限公司 | Ecological restoration device and method for slow-flow water body pollution |
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