Soil remediation bionic plant body
Through the new soil repair simulation plant body, bioroot system is simulated, biomass carbon adsorption and functional microbial fixation degradation, the problem of low treatment efficiency of heavy metal pollutants in the soil is solved, and efficient pollution control effect is achieved without energy consumption.
Patent Information
- Application Number
- CN202420615596.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-28
- Publication Date
- 2025-03-07
- Estimated Expiration
- 2034-03-28
AI Technical Summary
When the concentration of toxic and harmful pollutants such as heavy metals in the soil is too high, the plant grows slowly and cannot quickly achieve repair results. The existing bioremediation methods have problems of uncontrollable factors and inefficiency.
New soil repair simulated plant bodies, by simulating biological root systems and using the adsorption of biomass charcoal, heavy metal pollutants are gathered, and functional microorganisms are fixed and degraded to improve the efficiency of soil pollution control.
It realizes efficient adsorption, fixation and degradation of pollutants in the soil, improves pollution control efficiency, reduces the bioavailability of heavy metals, and does not require energy consumption, avoiding the problem of conventional plant growth and death.
Smart Images
Figure CN222568770U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of ecological restoration of environmental soil pollution, and particularly relates to a novel soil restoration simulation plant. Background Art
[0002] With the development of modern industrialization, environmental pollution problems are becoming increasingly serious, and soil pollution is also receiving more and more attention. Generally speaking, soil has a self-purification function. Its microorganisms and soil animals can decompose and transform pollutants. Complex organic and inorganic colloid systems can change the form of pollutants through processes such as adsorption, and green plants can transform and transfer pollutants through absorption. According to different characteristics, physical remediation, chemical remediation, biological remediation and other methods can be used to remediate soil pollution.
[0003] At present, bioremediation is considered to be an economical and effective remediation method, including phytoremediation and microbial remediation. Compared with physical remediation and chemical remediation, bioremediation has the advantages of low cost and no secondary pollution, so it is widely used in the field of soil pollution remediation. The core of bioremediation is to use the absorption, transformation, and degradation of pollutants by organisms, among which phytoremediation is the most common method. The principle of phytoremediation is to absorb and fix pollutants in the soil through plant roots to prevent them from spreading and polluting. In addition, due to the secretion and enrichment of the root system, the rhizosphere of the soil is rich in nutrients and usually grows a large number of microorganisms. These microorganisms can also degrade organic pollutants and adsorb and fix heavy metals to prevent them from spreading and polluting. However, when the concentration of toxic and harmful pollutants such as heavy metals in the soil is too high, the plant grows slowly and there are many uncontrollable factors, and the remediation effect cannot be obtained quickly. Therefore, the development of bionic plants that are not restricted by soil pollution has important application value for repairing soil heavy metal and organic pollution. Utility Model Content
[0004] In view of this, the utility model proposes a novel soil remediation device, which simulates biological roots and utilizes the adsorption effect of biochar to promote the aggregation of pollutants such as heavy metals in the soil, and fixes and degrades them through functional microorganisms, thereby improving the efficiency of soil pollution control and treating heavy metals in a more targeted manner.
[0005] In order to achieve the above purpose, the utility model mainly provides the following technical solutions:
[0006] The embodiment of the utility model provides a soil remediation simulated plant body, the simulated plant body comprising:
[0007] A water collecting part, the water collecting part is funnel-shaped, a liquid outlet pipe is provided at the bottom of the water collecting part, a cover body is provided at the upper opening of the funnel part, and a water seepage hole is provided on the cover body;
[0008] A sleeve cup portion, wherein the liquid outlet pipe is sleeved through an upper opening of the sleeve cup portion, and a plurality of through holes are provided on the sleeve cup portion, wherein bionic roots penetrate through the through holes, and the through holes are sealed by the bionic roots;
[0009] Wherein: when in use, the water collection part is placed above the soil, the cup part and the bionic roots are both placed in the soil, the liquid can enter the water collection part through the seepage holes on the cover body, the liquid in the water collection part can enter the cup part through the liquid outlet pipe, and provide water and nutrients to the soil through the bionic roots.
[0010] In the above-mentioned soil remediation bionic plant body, a water-permeable hole is provided on the side wall of the liquid outlet pipe, and the end of the bionic root penetrates into the inner space of the liquid outlet pipe through the water-permeable hole.
[0011] In the above-mentioned soil remediation bionic plant body, a water permeable hole is provided on the side wall of the liquid outlet pipe, a gap of 1 to 5 mm exists between the inner wall of the cup part and the outer wall of the liquid outlet pipe, the end of the bionic root is placed in the gap, and a sealing ring is provided at the opening of the cup part.
[0012] In the above-mentioned soil remediation bionic plant body, a rotating shaft is provided above the cover body, and a rotating blade is mounted on the rotating shaft. The rotating blade includes a sleeve portion and three blade portions 41. The sleeve portion is mounted outside the rotating shaft, and the three blade portions are arranged on the outside of the sleeve portion. The distance between the lower surface of the rotating blade and the upper surface of the cover body is less than 2 mm.
[0013] In the above-mentioned soil remediation bionic plant, the length of the blade portion is the same as the radius of the cover body;
[0014] In the above-mentioned soil remediation bionic plant, the cross section of the leaf portion is a straight line or a curve;
[0015] In the above-mentioned soil remediation bionic plant body, the rotating blades are made of lightweight plastic.
[0016] In the above-mentioned soil remediation bionic plant body, the thickness of the cover body is less than 2 mm, and the diameter of the water seepage hole is 1 to 2 mm.
[0017] In the above-mentioned soil remediation bionic plant, the length of the bionic root is 300 to 500 mm;
[0018] In the above-mentioned soil remediation bionic plant, the diameter of the bionic roots is 0.5-1 mm.
[0019] In the above-mentioned soil remediation bionic plant body, the bionic roots include a skeleton layer and a hydrophilic layer, the hydrophilic layer is wrapped outside the skeleton layer, the skeleton layer is made of metal, PP, PE, HDPE, and the hydrophilic layer is made of high molecular polyester material.
[0020] In the above-mentioned soil remediation bionic plant, the diameter of the bionic root is 3-6 mm, the diameter of the skeleton layer is 1-2 mm, and the thickness of the hydrophilic layer is 2-4 mm.
[0021] In the above-mentioned soil remediation bionic plant, the diameter of the water collection part is 100-150 mm;
[0022] In the above-mentioned soil remediation bionic plant, the height of the water collection part is 100-150 mm;
[0023] In the above-mentioned soil remediation bionic plant, the diameter of the cup portion is 10 to 30 mm;
[0024] In the above-mentioned soil remediation bionic plant body, the height of the cup portion is 50 to 150 mm.
[0025] By means of the above technical solution, the soil remediation simulated plant body of the utility model has at least the following advantages:
[0026] 1) The utility model can adsorb and enrich pollutants in the soil on the bionic root system, and soil microorganisms can colonize on the root system to form bionic mycorrhizae, thereby degrading organic pollutants in the soil and fixing heavy metals at the same time to reduce the bioavailability of heavy metals.
[0027] 2) The utility model has a water storage space, which can evenly replenish the water of the mycorrhizae through the hydrophilic bionic root system. At the same time, additional nutrient solution can be added through the space to promote the biological activity of the underground mycorrhizae, thereby improving the efficiency of pollutant remediation.
[0028] 3) The above-ground part of the utility model has rotating blades, which can automatically rotate under the action of wind to scrape off the soil accumulated on the top panel to prevent the water seepage holes from being blocked; at the same time, it is convenient to replace the above-ground part and facilitate repairs;
[0029] 4) The utility model does not require energy consumption and does not suffer from conventional plant growth and death problems.
[0030] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the utility model in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0031] Figure 1A schematic diagram of the structure of a soil remediation bionic plant provided by an embodiment of the utility model;
[0032] Figure 2 A schematic diagram of the structure of the water collecting part and the liquid outlet pipe provided in an embodiment of the utility model;
[0033] Figure 3 A schematic diagram of the structure of the cover provided by an embodiment of the utility model;
[0034] Figure 4 A top view of the soil remediation bionic plant body provided in an embodiment of the utility model. DETAILED DESCRIPTION
[0035] In order to further explain the technical means and effects adopted by the utility model to achieve the predetermined utility model purpose, the specific implementation methods, structures, features and effects proposed according to the utility model are described in detail below in conjunction with the accompanying drawings and preferred embodiments. In the following description, different "one embodiment" or "embodiment" does not necessarily refer to the same embodiment. In addition, specific features, structures, or characteristics in one or more embodiments may be combined in any suitable form.
[0036] like Figure 1-4 The soil remediation bionic plant body shown in the figure comprises a water collecting part 1 and a cup part 5, the water collecting part 1 is funnel-shaped, a liquid outlet pipe 2 is provided below the water collecting part 1, a cover body 3 is provided at the upper opening of the funnel part, and a water seepage hole 30 is provided on the cover body 3 (a plurality of water seepage holes 30 are evenly distributed on the cover body 3); the liquid outlet pipe 2 is inserted through the upper opening of the cup part 5, a plurality of through holes are provided on the cup part 5, bionic roots 6 are penetrated in the through holes, and the through holes are sealed by the bionic roots 6; wherein: when in use, the water collecting part 1 is placed above the soil, the cup part 5 and the bionic roots 6 are both placed in the soil, the liquid can enter the water collecting part through the water seepage holes 30 on the cover body, the liquid in the water collecting part 1 can enter the cup part 5 through the liquid outlet pipe 2, and provide water and nutrients to the soil through the bionic roots 6.
[0037] An embodiment of the utility model provides a soil remediation simulated plant body, wherein liquid (water and / or nutrients) is provided to the bionic roots 6 through the water collection part 1, and the bionic roots 6 simulate the root system of the plant (the bionic roots 6 are the growth carriers of microorganisms). In the soil, the bionic roots 6 are the biofilm carriers of microorganisms, and the microbial biofilm carriers on the bionic roots 6 are used for biological remediation of the soil.
[0038] The soil restoration simulated plant body provided by the utility model avoids the problem that real plants are easily killed in extreme environments (drought, high salt, high pollution, etc.). In addition, the growth of microorganisms on the biofilm carrier can achieve the effect of improving the soil.
[0039] In addition, in a polluted environment, the soil remediation bionic plant of the utility model can also adsorb and enrich pollutants in the soil on the bionic root system. Since soil microorganisms can colonize on the bionic root system to form bionic mycorrhizae, organic pollutants in the soil can be degraded or heavy metals can be fixed, thereby reducing the bioavailability of heavy metals. The soil remediation process of the utility model does not require energy consumption, and there is no problem of conventional plant growth and death.
[0040] In addition, since the water collection part 1 of the utility model is a water storage space, the liquid in the water collection part can be water or nutrient components. In specific implementation, liquid can be injected into the water collection part 1 in advance, or liquid can be added to the water collection part 1 through the seepage hole 30 at a later stage. The soil remediation simulated plant body can achieve very uniform water replenishment around the bionic mycorrhiza through the hydrophilic bionic root system. At the same time, additional nutrient solution can be added to the soil where the soil remediation bionic plant body is located, thereby promoting the biological activity of underground mycorrhiza to improve the efficiency of pollutant remediation.
[0041] In addition, in order to prevent the liquid from entering the water collection part 1 due to large-area objects such as blades covering the water seepage hole 30, the utility model further provides a rotating blade 4 on the cover body. Specifically, a rotating shaft 40 is provided above the cover body 3, and a rotating blade 4 is mounted on the rotating shaft 40; the rotating blade 4 is completely placed above the ground and can automatically rotate under the action of wind to scrape off the blades accumulated on the top panel, thereby preventing the water seepage hole 30 from being blocked. Specifically, a rotating shaft is provided above the cover body, and the shaft sleeve part is mounted outside the rotating shaft. A rotating blade is mounted on the rotating shaft, and the rotating blade includes a shaft sleeve part and three blade parts 41. The three blade parts 41 are evenly distributed around the shaft sleeve part, that is, the angle between every two blade parts 41 is 60°, so that the rotating blade can be rotated when the wind comes from all directions.
[0042] In order to realize that the rotating blade can rotate under the action of wind, the utility model further designs the shape of the rotating blade. Mode 1: The overall shape of the rotating blade is an arch or a round crown, and the cross section of the blade portion 41 is a straight line (specifically, Figure 1 Mode 2: The top view of the rotating blade is streamlined, and the cross section of the blade portion 41 is a curve (as shown in detail Figure 4As shown), in this manner, since the blades are curved, wind from any direction can act on the blades, making it easier for the blades to rotate.
[0043] In order to further facilitate the rotation of the rotating blades, the rotating blades are made of lightweight plastic, thereby reducing the weight of the rotating blades and reducing the friction between the rotating blades and the rotating shaft.
[0044] In another specific implementation of this embodiment, in order to facilitate the supply of liquid in the water collecting part 1 to the bionic roots 6, the utility model has the following two designs for the structure of the liquid outlet pipe 2 and the bionic roots 6:
[0045] Mode 1: A water-permeable hole is provided on the side wall of the liquid outlet pipe 2, and the end of the bionic root 6 penetrates into the internal space of the liquid outlet pipe 2 through the water-permeable hole. In this mode, the relationship between the liquid outlet pipe 2 and the cup portion 5 can be a close fit mode, and the number of the water-permeable holes on the liquid outlet pipe 2 is the same as the number of the through holes on the cup portion 5, and they are arranged one by one, so that the liquid in the liquid outlet pipe 2 can only enter the soil through the bionic root 6. In this way, the film thickness of the bionic root 6 can be further increased.
[0046] Mode 2: A water-permeable hole is provided on the side wall of the liquid outlet pipe 2, and there is a gap of 1 to 5 mm between the inner wall of the cup portion 5 and the outer wall of the liquid outlet pipe 2. The end of the bionic root 6 is placed in the gap, and a sealing ring is provided at the opening of the cup portion 5. In this mode, due to the combined effect of the sealing ring, the cup portion 5, and the liquid outlet pipe 2, the liquid in the liquid outlet pipe 2 can only enter the soil through the bionic root 6. In addition, when the cup portion 5 and the bionic root 6 are placed in the soil, since the water collection part 1 is placed above the soil, it is easy to cause aging or damage. This mode in mode 2 can realize the regular replacement of the upper half of the soil repair bionic plant (i.e., the water collection part 1 and the liquid outlet pipe 2). In this mode, the function of the water-permeable hole is only to introduce the liquid in the liquid outlet pipe 2 into the cup portion 5, so the number of water-permeable holes can be one, two, or any number.
[0047] The liquid outlet pipe 2 is sleeved in the cup portion 5 to fix the water collecting portion 1 to the cup portion 5 .
[0048] In the soil remediation bionic plant body of this embodiment, only the water collecting part is exposed to the soil surface, that is, only the water collecting part will be damaged. The utility model facilitates the replacement of the above-ground part (i.e. the water collecting part) in a packaged manner, thereby facilitating repair.
[0049] In another specific implementation of this embodiment, in order to facilitate the cleaning of the upper surface of the cover body 3, the lower surface of the rotating blade 4 is straight, the lower surface of the rotating blade 4 is parallel to the upper surface of the cover body 3, and the distance between the lower surface of the rotating blade 4 and the upper surface of the cover body 3 is less than 2 mm.
[0050] Furthermore, in order to enable the working area of the rotating blades 4 to cover the entire upper surface of the cover 3, the diameter of the rotating blades 4 is the same as the diameter of the cover 3. Since the water collection part is higher than the soil surface, when the rotating blades 4 rotate, the debris on the cover 3 can be scraped off and fall on the soil around the water collection part, thereby achieving the effect of using the rotating blades 4 to clean the upper surface of the cover.
[0051] Furthermore, in order to prevent the water seepage holes 30 on the cover body 3 from being blocked, the thickness of the cover body 3 is less than 2 mm. In this way, even if the water seepage holes 30 are blocked by soil, the soil in the water seepage holes 30 will be flushed into the water collection part 1 under the action of the gravity of the water. After the water seepage holes 30 are connected, liquid can be added to the water collection part. In this way, since the amount of soil entering the water collection part is very small and quickly settles to the bottom of the cup part 5, it will not affect the subsequent water collection part to provide water to the bionic root system.
[0052] Furthermore, in order to prevent excessive evaporation of water in the water collection part 1 of the bionic plant body, the diameter of the water seepage hole 30 on the cover body 3 is less than 2 mm. Preferably, the diameter of the water seepage hole 30 is 1-2 mm. In this way, if the water seepage hole 30 is blocked by soil, when it is necessary to replenish water to the water collection part, the liquid can be covered on the cover body (i.e., in a flooding manner). Under the action of gravity, the soil in the water seepage hole 30 can be flushed into the water collection part, and then the liquid can enter the water collection part.
[0053] Furthermore, in order to improve the biomimetic root 6 biofilm-forming efficiency, each bionic root 6 has a length between 300 and 500 mm.
[0054] Furthermore, in order to ensure that the bionic roots 6 are not prone to breakage, the diameter of the bionic roots 6 is 0.5-1 mm.
[0055] Furthermore, in another specific implementation of this embodiment, in order to improve the performance of the bionic roots 6, the utility model further designs the structure of the bionic roots 6, and the bionic roots 6 include a skeleton layer and a hydrophilic layer, and the hydrophilic layer is wrapped around the outside of the skeleton layer. The skeleton layer is made of metal, and the hydrophilic layer is made of high molecular polyester.
[0056] As a variable implementation, the material of the skeleton layer is polypropylene (PP for short). PP is a semi-crystalline thermoplastic plastic with high impact resistance, strong mechanical properties, and resistance to corrosion by various organic solvents and acids and alkalis.
[0057] As a variable implementation, the material of the skeleton layer is polyethylene (PE for short), which is a thermoplastic resin obtained by polymerization of ethylene. In industry, it also includes copolymers of ethylene and a small amount of α-olefins. Polyethylene is odorless, non-toxic, feels like wax, has excellent low temperature resistance (the lowest operating temperature can reach -100 to -70°C), good chemical stability, and can withstand the corrosion of most acids and alkalis (not resistant to acids with oxidizing properties).
[0058] As a variable implementation, the material of the skeleton layer is high-density polyethylene (HDPE), also known as low-pressure polyethylene. HDPE is a highly crystalline, non-polar thermoplastic resin that is somewhat translucent. HDPE is a highly crystalline, non-polar thermoplastic resin. High-density polyethylene is a white powder granular product that is non-toxic and tasteless. It has good heat resistance and cold resistance, good chemical stability, high rigidity and toughness, good mechanical strength, and better hardness, tensile strength and creep than low-density polyethylene.
[0059] Specifically, in order to further imitate the root system of a plant, the diameter of the bionic root 6 is 3-6 mm, the diameter of the skeleton layer is 1-2 mm, and the thickness of the hydrophilic layer is 2-4 mm. In this way, the bionic root 6 can achieve a biofilm thickness of 0.2-0.4 mm, and the bionic root 6 can provide water and nutrients to biofilm microorganisms.
[0060] Furthermore, the bionic plant body of the utility model first enters the water collection part 1 due to the liquid part, and then enters the cup part 5 through the liquid outlet pipe 2. The liquid is stored in the water collection part 1 and the cup part 5, and then can only provide water and nutrients to the biofilm microorganisms through the bionic roots 6. Therefore, the volume of the water collection part 1 and the cup part 5 can determine the length of time that the bionic plant body can provide nutrients. In the specific embodiment, the diameter of the water collection part 1 is 100-150mm; the height of the water collection part 1 is 100-150mm; the diameter of the cup part 5 is 10-30mm; the height of the cup part 5 is 50-150mm. In this embodiment, replenishing water or nutrient solution to the water collection part 1 once a month can ensure that the bionic plant body can continue to provide continuous nutrients and water to the biofilm microorganisms.
[0061] The above is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any simple modification, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.
Claims
1. A soil remediation bionic plant, characterized in that: include: A water collecting part, the water collecting part is funnel-shaped, a liquid outlet pipe is provided at the bottom of the water collecting part, a cover body is provided at the upper opening of the water collecting part, and a water seepage hole is provided on the cover body; A sleeve cup portion, wherein the liquid outlet pipe is sleeved through an upper opening of the sleeve cup portion, and a plurality of through holes are provided on the sleeve cup portion, wherein bionic roots penetrate through the through holes, and the through holes are sealed by the bionic roots; Wherein: when in use, the water collection part is placed above the soil, the cup part and the bionic roots are both placed in the soil, the liquid can enter the water collection part through the seepage holes on the cover body, the liquid in the water collection part can enter the cup part through the liquid outlet pipe, and provide water and nutrients to the soil through the bionic roots.
2. The soil remediation bionic plant according to claim 1, characterized in that: A water permeable hole is arranged on the side wall of the liquid outlet pipe, and the end of the bionic root penetrates into the inner space of the liquid outlet pipe through the water permeable hole.
3. The soil remediation bionic plant according to claim 1, characterized in that: A water-permeable hole is arranged on the side wall of the liquid outlet pipe, a gap of 1 to 5 mm exists between the inner wall of the cup portion and the outer wall of the liquid outlet pipe, the end of the bionic root is placed in the gap, and a sealing ring is arranged at the opening of the cup portion.
4. The soil remediation bionic plant according to claim 1, characterized in that: A rotating shaft is provided above the cover body, and a rotating blade is mounted on the rotating shaft. The rotating blade includes a shaft sleeve portion and three blade portions. The shaft sleeve portion is mounted outside the rotating shaft, and the three blade portions are arranged on the outside of the shaft sleeve portion. The distance between the lower surface of the rotating blade and the upper surface of the cover body is less than 2 mm.
5. The soil remediation bionic plant according to claim 4, characterized in that: The length of the blade portion is the same as the radius of the cover body; The cross section of the blade portion is a straight line or a curve; The rotating blades are made of lightweight plastic.
6. The soil remediation bionic plant according to claim 1, characterized in that: The thickness of the cover body is less than 2 mm, and the diameter of the water seepage hole is 1 to 2 mm.
7. The soil remediation bionic plant according to claim 1, characterized in that: The bionic roots have a length of 300 to 500 mm; The diameter of the bionic roots is 0.5-1 mm.
8. The soil remediation bionic plant according to claim 7, characterized in that: The bionic roots include a skeleton layer and a hydrophilic layer, wherein the hydrophilic layer is wrapped outside the skeleton layer, the skeleton layer is made of metal, PP, PE, HDPE, and the hydrophilic layer is made of high molecular weight polyester material.
9. The soil remediation bionic plant according to claim 8, characterized in that: The diameter of the bionic roots is 3-6 mm, the diameter of the skeleton layer is 1-2 mm, and the thickness of the hydrophilic layer is 2-4 mm.
10. The soil remediation bionic plant according to claim 1, characterized in that: The diameter of the water collecting part is 100-150 mm; The height of the water collecting part is 100-150 mm; The diameter of the cup portion is 10 to 30 mm; The height of the cup portion is 50 to 150 mm.