CN213613319U - Low-energy-consumption soil remediation device based on microbial coupling - Google Patents
Low-energy-consumption soil remediation device based on microbial coupling Download PDFInfo
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- CN213613319U CN213613319U CN202022489389.4U CN202022489389U CN213613319U CN 213613319 U CN213613319 U CN 213613319U CN 202022489389 U CN202022489389 U CN 202022489389U CN 213613319 U CN213613319 U CN 213613319U
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- 230000000813 microbial effect Effects 0.000 title claims abstract description 20
- 238000005067 remediation Methods 0.000 title claims abstract description 18
- 230000008878 coupling Effects 0.000 title claims abstract description 15
- 238000010168 coupling process Methods 0.000 title claims abstract description 15
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 15
- 238000005265 energy consumption Methods 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 53
- 238000002347 injection Methods 0.000 claims abstract description 40
- 239000007924 injection Substances 0.000 claims abstract description 40
- 235000015097 nutrients Nutrition 0.000 claims abstract description 40
- 244000005700 microbiome Species 0.000 claims abstract description 37
- 239000000243 solution Substances 0.000 claims abstract description 32
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- 238000003795 desorption Methods 0.000 abstract description 3
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 description 6
- 238000004321 preservation Methods 0.000 description 6
- 238000003756 stirring Methods 0.000 description 5
- 230000008439 repair process Effects 0.000 description 4
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- 239000000356 contaminant Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
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Abstract
The utility model discloses a low-energy-consumption soil remediation device based on microbial coupling, which comprises a water storage device (1), an air source heat pump unit (2), a nutrient solution supply device (3), an injection well (4) and a mixer (5); a water source is filled in the water storage device, a water outlet of the water storage device is connected to a water inlet of the air source heat pump unit, and a water outlet of the air source heat pump unit is connected to a first water inlet of the mixer; the microbial nutrient solution is arranged in the nutrient solution supply device, a liquid outlet of the nutrient solution supply device is connected to a second water inlet of the mixer, a water outlet of the mixer is communicated with the injection well and is positioned in a soil layer of a region to be repaired, and a plurality of injection holes are formed in the lower portion of the injection well. The utility model discloses utilize air source heat to improve the regional ambient temperature of restoration, strengthen organic pollutant's desorption ability and the degradation activity of microorganism, the injection of nutrient substance and the degradation efficiency of the introduction reinforcing microorganism of the high-efficient fungus of external source shorten the time limit for a project of microbial remediation contaminated soil.
Description
Technical Field
The utility model relates to a soil pollution repair system especially relates to a low energy consumption soil prosthetic devices based on microorganism coupling.
Background
Soil pollution is a worldwide environmental problem and is the biggest challenge for sustainable development of human society. With the acceleration of the urbanization process and the implementation of the industrial structure adjustment policy, the' brown land (brown land means the land which affects the expansion, joyful and reutilization of the industrial enterprise due to the pollution of real or potential harmful and dangerous objects) left by the removal of industrial enterprises in China is numerous and becomes a limiting factor for the safe reutilization of land resources in many large and medium-sized cities. Due to extensive environmental safety management mode, disordered industrial wastewater discharge or leakage and metal slag stacking for a long time, a large number of polluted sites are caused, and soil and underground water in and around a field are seriously polluted, so that serious threats and challenges are formed on food safety, drinking water safety, regional ecological environment, human living environment health, economic and social sustainable development and even social stability.
Soil microorganisms partially (or completely) restore contaminated soil to a pre-contaminated state through their own vital metabolic activities (e.g., secretion of organic substances to complex/precipitate contaminants, secretion of extracellular enzymes to degrade/convert organic contaminants). The soil microbial remediation technology is considered as a green approach for remedying the soil polluted environment and is a necessary requirement for the sustainable development of the social economy. China urgently needs to increase investment in the aspects of pollutant degradation microbial resources and downstream application thereof so as to promote ecological civilization construction and safe driving and protection navigation. Microbial remediation is a green sustainable remediation method, and has the main advantages of low remediation cost and no secondary pollution.
However, due to the low temperature of the underground environment, the activity of the microorganisms can be directly influenced, the number of indigenous microorganisms is small, and the nutrient substances in the environment are deficient, so that the problems of long construction period, low microorganism repair efficiency, high repair cost and the like of the in-situ microorganism repair engineering in the prior art are caused.
Disclosure of Invention
An object of the utility model is to provide a low energy consumption soil prosthetic devices based on microorganism coupling utilizes the air source heat to realize evenly improving the ambient temperature who restores the region to the low energy consumption heating of restoration region, has strengthened organic pollutant's desorption ability and the degradation activity of microorganism, has further strengthened the degradation efficiency of microorganism through the injection of nutrient substance and the introduction of the high-efficient fungus of external source, has shortened the time limit for a project of microbial remediation contaminated soil greatly.
The utility model discloses a realize like this:
a low-energy-consumption soil remediation device based on microorganism coupling comprises a water storage device, an air source heat pump unit, a nutrient solution supply device, an injection well and a mixer; a water source is filled in the water storage device, a water outlet of the water storage device is connected to a water inlet of the air source heat pump unit through a pipeline, and a water outlet of the air source heat pump unit is connected to a first water inlet of the mixer through a pipeline; nutrient solution feeding device embeds microorganism nutrient solution, and nutrient solution feeding device's liquid outlet passes through the second water inlet of pipe connection to blender, and the delivery port of blender passes through the pipeline and injects the well intercommunication, injects the well and is located the soil layer of waiting to restore the region in the well, and the lower part of injecting the well is formed with a plurality of and annotates the liquid hole.
And a heat-insulating barrier layer is laid on the surface of the ground of the area to be repaired, and the heat-insulating barrier layer is positioned around the injection well.
The heat preservation barrier layer is a cement concrete layer.
Nutrient solution feeding device include medicine dispenser and agitator mixer, the liquid outlet of medicine dispenser passes through pipe connection to agitator mixer's inlet, agitator mixer's liquid outlet passes through pipe connection to the second water inlet of blender.
An injection pump is arranged in the injection well.
The injection hole is obliquely arranged towards the lower part of the outer part of the injection well.
The utility model discloses utilize air source heat to realize the low energy consumption heating to the restoration region, evenly improved the ambient temperature of restoration region, strengthened the degradation activity of microorganism to strengthened organic pollutant's desorption ability, still improved the utilization degree of air source heat to a certain extent, energy-concerving and environment-protective, the introduction that combines nutrient substance's injection and the high-efficient fungus of external source has further strengthened the degradation efficiency of microorganism, has shortened the time limit for a project of microbial remediation contaminated soil greatly.
Drawings
FIG. 1 is a working principle diagram of the low-energy-consumption soil remediation device based on microbial coupling.
In the figure, 1 a water storage device, 2 an air source heat pump unit, 3 a nutrient solution supply device, 31 a medicine dispenser, 32 a stirring mixer, 4 injection wells, 41 an injection pump, 5 a mixer and 6 a heat preservation barrier layer.
Detailed Description
The invention will be further explained with reference to the drawings and the specific embodiments.
Referring to fig. 1, a low-energy-consumption soil remediation device based on microbial coupling comprises a water storage device 1, an air source heat pump unit 2, a nutrient solution supply device 3, an injection well 4 and a mixer 5; a water source is filled in the water storage device 1, a water outlet of the water storage device 1 is connected to a water inlet of the air source heat pump unit 2 through a pipeline, and a water outlet of the air source heat pump unit 2 is connected to a first water inlet of the mixer 5 through a pipeline; microorganism nutrient solution is arranged in the nutrient solution supply device 3, a liquid outlet of the nutrient solution supply device 3 is connected to a second water inlet of the mixer 5 through a pipeline, a water outlet of the mixer 5 is communicated with the injection well 4 through a pipeline, the injection well 4 is positioned in the soil layer of the area to be repaired, and a plurality of liquid injection holes (not shown in the figure) are formed in the lower part of the injection well 4. The air source heat pump unit 2 can be composed of air source heat pumps in the prior art, the air source heat is an environment-friendly, sustainable and low-energy-consumption energy source, the air source heat pumps can heat a water source by utilizing an energy-saving device which enables heat to flow from low-level heat source air to a high-level heat source through high-level energy, and therefore the purpose of heating microbial nutrient solution injected into an underground environment is achieved, and energy consumption and cost are reduced.
Wait to restore regional ground surface lay heat preservation barrier layer 6, heat preservation barrier layer 6 is located injection well 4 all around, can play the heat retaining effect to the earth's surface, prevents the loss of ground surface heat, reaches the effect that reduces the energy consumption.
Preferably, the heat preservation barrier layer 6 can adopt a cement concrete layer, has a good heat preservation effect and is easy to construct.
The nutrient solution supply device 3 comprises a dispensing device 31 and a stirring mixer 32, wherein a liquid outlet of the dispensing device 31 is connected to a liquid inlet of the stirring mixer 32 through a pipeline, and a liquid outlet of the stirring mixer 32 is connected to a second water inlet of the mixer 5 through a pipeline. Medicine dispenser 31 is used for the proportion of microorganism and required nutrients, and medicine dispenser 31 mixes in sending into agitator mixer 32 behind the material proportion such as microorganism, the required nutrients of microorganism, water, forms the microorganism nutrient solution, according to the environmental pollution condition, realizes the degradability and the efficiency promotion of microorganism through introducing nutrients and the high-efficient fungus of exogenous, provides microorganism nutrient solution again and carries out the hybrid heating in blender 5 to satisfy the injection temperature requirement.
An injection pump 41 is arranged in the injection well 4 and can be used for pressurizing injection and flow control of the microorganism nutrient solution, so that the microorganism nutrient solution is ensured to fully permeate into the soil to be repaired, and the microorganism nutrient solution is also ensured to fully contact with pollutants.
The injection hole is obliquely arranged towards the lower part of the outside of the injection well 4, so that the injected microbial nutrient solution obliquely downwards permeates into soil along the arrow directions on two sides of the injection well 4 in the figure 1, and the downward permeation of the microbial nutrient solution and the degradation reaction of microorganisms are facilitated.
The utility model discloses low energy consumption soil prosthetic devices's theory of operation based on microorganism coupling is:
a water source in the water storage device 1 enters the air source heat pump unit 2 through a pipeline by virtue of conveying equipment such as a liquid pump, the water source is heated and warmed up by virtue of heat exchange between the air source heat pump unit 2 and the pipeline, and the heated water source enters the mixer 5 through a pipeline by virtue of conveying equipment such as a liquid pump. The medicine dispensing device 31 sends microorganisms, nutrient substances required by the growth of the microorganisms, water, solvents and the like into the stirring mixer 32 to be uniformly mixed to form a microorganism nutrient solution, and then the microorganism nutrient solution is sent into the mixer 5 to be mixed with a heated water source in the mixer 5, the hot water source has a certain heating function on the microorganism nutrient solution and enters the injection well 4, and the microorganism nutrient solution is injected into the underground environment through the injection pump 41 to realize the heating of the stratum of the area to be repaired, so that the activity of the microorganisms is enhanced, and the degradation of the microorganisms to organic pollutants is promoted.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, therefore, any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention should be included in the scope of the present invention.
Claims (6)
1. The utility model provides a low energy consumption soil prosthetic devices based on microorganism coupling which characterized by: comprises a water storage device (1), an air source heat pump unit (2), a nutrient solution supply device (3), an injection well (4) and a mixer (5); a water source is filled in the water storage device (1), a water outlet of the water storage device (1) is connected to a water inlet of the air source heat pump unit (2) through a pipeline, and a water outlet of the air source heat pump unit (2) is connected to a first water inlet of the mixer (5) through a pipeline; microorganism nutrient solution is arranged in the nutrient solution supply device (3), a liquid outlet of the nutrient solution supply device (3) is connected to a second water inlet of the mixer (5) through a pipeline, a water outlet of the mixer (5) is communicated with the injection well (4) through a pipeline, the injection well (4) is positioned in a soil layer of an area to be repaired, and a plurality of injection holes are formed in the lower part of the injection well (4).
2. The microbial coupling-based low energy soil remediation device of claim 1, wherein: and a heat-insulating barrier layer (6) is laid on the surface of the ground of the area to be repaired, and the heat-insulating barrier layer (6) is positioned around the injection well (4).
3. The microbial coupling-based low energy soil remediation device of claim 2, wherein: the heat-insulating barrier layer (6) is a cement concrete layer.
4. The microbial coupling-based low energy soil remediation device of claim 1, wherein: nutrient solution feeding device (3) include medicine dispenser (31) and agitator mixer (32), the liquid outlet of medicine dispenser (31) is connected to the inlet of agitator mixer (32) through the pipeline, the liquid outlet of agitator mixer (32) is connected to the second water inlet of blender (5) through the pipeline.
5. The microbial coupling-based low energy soil remediation device of claim 1, wherein: an injection pump (41) is arranged in the injection well (4).
6. The microbial coupling-based low energy soil remediation device of claim 1, wherein: the injection hole is obliquely arranged towards the lower part of the outside of the injection well (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022489389.4U CN213613319U (en) | 2020-11-02 | 2020-11-02 | Low-energy-consumption soil remediation device based on microbial coupling |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022489389.4U CN213613319U (en) | 2020-11-02 | 2020-11-02 | Low-energy-consumption soil remediation device based on microbial coupling |
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| CN213613319U true CN213613319U (en) | 2021-07-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114029339A (en) * | 2021-11-09 | 2022-02-11 | 上海园林绿化建设有限公司 | System and method for restoring polluted soil by using microbial degradation technology |
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2020
- 2020-11-02 CN CN202022489389.4U patent/CN213613319U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114029339A (en) * | 2021-11-09 | 2022-02-11 | 上海园林绿化建设有限公司 | System and method for restoring polluted soil by using microbial degradation technology |
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20240618 Address after: Room 101, 4th Floor, Building 1, No. 10 Yongchang East Fourth Road, Beijing Economic and Technological Development Zone, Chaoyang District, Beijing, 100022 Patentee after: Senteshixing Environmental Protection Technology Co.,Ltd. Country or region after: China Address before: 201306 building C, No. 888, Huanhu West 2nd Road, Lingang New District, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai Patentee before: China Construction Eighth Bureau Environmental Protection Technology Co.,Ltd. Country or region before: China |
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| CP03 | Change of name, title or address |
Address after: 100176 Room 101, floor 4, building 1, courtyard 10, Yongchang East Fourth Road, Beijing Economic and Technological Development Zone, Daxing District, Beijing Patentee after: Senteshixing Environmental Protection Technology Co.,Ltd. Country or region after: China Address before: Room 101, 4th Floor, Building 1, No. 10 Yongchang East Fourth Road, Beijing Economic and Technological Development Zone, Chaoyang District, Beijing, 100022 Patentee before: Senteshixing Environmental Protection Technology Co.,Ltd. Country or region before: China |