CN111360060A - Soil/underground water integrated injection system and single-source, double-source and mixed micro-nano bubble liquid injection method thereof - Google Patents

Soil/underground water integrated injection system and single-source, double-source and mixed micro-nano bubble liquid injection method thereof Download PDF

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Publication number
CN111360060A
CN111360060A CN202010277184.1A CN202010277184A CN111360060A CN 111360060 A CN111360060 A CN 111360060A CN 202010277184 A CN202010277184 A CN 202010277184A CN 111360060 A CN111360060 A CN 111360060A
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injection
medicament
valve
channel
micro
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CN111360060B (en
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张文辉
元妙新
王闻捷
陈玲莉
陈欢
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Cecep Dadi Hangzhou Environmental Remediation Co ltd
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Cecep Dadi Hangzhou Environmental Remediation Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09C—RECLAMATION OF CONTAMINATED SOIL
    • B09C1/00—Reclamation of contaminated soil
    • B09C1/08—Reclamation of contaminated soil chemically
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/29—Mixing systems, i.e. flow charts or diagrams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/29—Mixing systems, i.e. flow charts or diagrams
    • B01F23/291—Mixing systems, i.e. flow charts or diagrams for obtaining foams or aerosols
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/80—Mixing plants; Combinations of mixers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/0018—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam
    • B05B7/0025—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam with a compressed gas supply
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
    • B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/08—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/12—Spray pistols; Apparatus for discharge designed to control volume of flow, e.g. with adjustable passages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09C—RECLAMATION OF CONTAMINATED SOIL
    • B09C1/00—Reclamation of contaminated soil
    • B09C1/002—Reclamation of contaminated soil involving in-situ ground water treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09C—RECLAMATION OF CONTAMINATED SOIL
    • B09C2101/00—In situ
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage

Abstract

The invention relates to a soil/underground water integrated injection system and a single-source, double-source and mixed micro-nano bubble liquid injection method thereof.A medicament configuration unit, an air supply unit and a water supply unit which are controllably connected through different channels are arranged in a container body and are controllably connected to an injection buffer and an injection distributor, and a controller is used for controlling the opening and closing of each channel under different requirements so as to finish the injection operation of water/medicament/air, micro-nano bubble water and mixed micro-nano bubble liquid. The invention is mainly used for repairing polluted sites and underground water, can be used for the polluted sites of various geologies, has strong medicament mixing performance, can inject liquid, liquid and gas into the polluted area, perform various repairing operations such as aeration and the like, has the function of dredging an injection well, can quickly adjust the injection pressure, is suitable for the polluted sites of various geologies, has the functions of strong medicament mixing performance and the like, is convenient to move, has high efficiency in use, long service life, high safety in the construction process, good construction operation environment and better application prospect.

Description

Soil/underground water integrated injection system and single-source, double-source and mixed micro-nano bubble liquid injection method thereof
Technical Field
The invention relates to the technical field of regeneration of polluted soil and treatment of water, wastewater, sewage or sludge, in particular to a soil/underground water integrated injection system for remediation and treatment of polluted sites and underground water thereof and a single-source, double-source and mixed micro-nano bubble liquid injection method thereof.
Background
In recent decades, the rapid development of domestic economy, extensive economic growth modes, weak environmental protection consciousness of all communities, insufficient investment of enterprise environmental protection equipment and capital, improper environmental management, leakage, sloppy and leaking, random dumping, leakage accidents and other factors cause serious environmental pollution problems left and accumulated in history of all regions while development. At present, with the optimization and adjustment of industrial structures and the acceleration of urbanization processes, a large number of sites left after industrial enterprises are moved are generated nationwide, and relate to industries including pesticides, chemical engineering, petroleum, coking, electroplating, printing and dyeing and the like.
Aiming at organic pollution sites, the existing domestic restoration technology mainly adopts ex-situ restoration, and mainly comprises an ex-situ thermal desorption technology, an ex-situ chemical oxidation technology, an ex-situ gas phase extraction technology, pumping treatment and the like, although the ex-situ restoration technology has a good treatment effect, the treatment cost is high because soil excavation or underground water extraction is needed, peculiar smell diffusion is easily caused in the soil excavation transfer process, adverse effects are caused to field workers and surrounding people, the construction progress can be influenced even in severe cases, and the condition is particularly prominent in the restoration process of retired sites of some chemical and pesticide production enterprises with long production history.
Compared with ex-situ remediation, in-situ remediation does not need soil excavation, construction has small disturbance to a site, peculiar smell is not easy to generate, and the influence on the surrounding environment is small, so that the in-situ remediation technology is a low-cost and low-disturbance remediation technology, has a wide development prospect, and is more and more concerned by environment remediation enterprises. In-situ biological aeration is a common in-situ remediation technology, however, part of organic pollutants are easily adsorbed by soil organic matters and particles in an underground environment to form adsorbed pollutants, and the pollutants are difficult to be directly treated in a biological aeration mode, so that the phenomena of concentration tailing and later rebound exist in the in-situ remediation process. Therefore, the method is an effective technical measure for solving the problem by injecting the solubilizer and matching with the biological aeration technology to promote the desorption and dissolution of the adsorbed pollutants into the water phase.
The in-situ solubilization and aeration treatment effect mainly depends on two aspects: firstly, preparing high-concentration oxygen-containing bubbles or oxygen-enriched liquid, and secondly, effectively injecting the oxygen-containing bubbles, the oxygen-enriched liquid and the solubilizer into underground water. Due to the large difference of hydrogeological conditions of different polluted sites, the solubilizing oxygen-increasing agent preparation and injection device is required to have a very wide application range and site adaptability. At present, some soil/underground water aeration and injection devices are reported in China, but all the devices have certain defects, and the popularization and the application of the in-situ biological aeration technology are greatly limited.
Patent No. CN 105621643B provides a water body supersaturated dissolved oxygen aeration method and system, in which oxygen carried in supersaturated dissolved oxygen is released into micro-nano bubbles by a micro-nano bubble generating device, and sewage carrying the micro-nano bubbles is returned to a water area again by a push-slip device, so as to realize supersaturated dissolved oxygen aeration treatment of black and odorous water. The invention mainly aims at carrying out aeration treatment on a black and odorous water body on the ground, and provides a preparation method of supersaturated dissolved oxygen water, but no special design is carried out on how to inject oxygen-enriched bubbles and solution into a complex underground environment, and the whole system cannot be directly applied to the remediation treatment of site soil/underground water.
Disclosure of Invention
The invention solves the problems in the prior art and provides an optimized soil/underground water integrated injection system and a single-source, double-source and mixed micro-nano bubble liquid injection method thereof.
The invention adopts the technical scheme that the soil/underground water integrated injection system comprises a container body, wherein the container body comprises a feeding port and an injection port; a medicament configuration unit, an air supply unit and a water supply unit are arranged in the container body;
the medicament configuration unit is connected to the injection buffer through a first channel and is matched with the air supply unit through a second channel; the medicament configuration unit is matched with the feeding port;
the gas supply unit is connected to the injection buffer through a third channel, and the gas supply channel is connected to the injection distributor through a fourth channel;
the water supply unit is connected to the injection buffer through a fifth channel, and the water supply unit is connected to the gas supply unit through a sixth channel;
the liquid outlet channel of the injection buffer is connected to the injection distributor through a seventh channel, and the gas outlet channel of the injection buffer is connected to the injection distributor through an eighth channel; the injection distributor is matched with the injection port;
the medicament configuration unit, the gas supply unit, the water supply unit, the injection buffer and the injection distributor are connected with the controller;
the medicament configuration unit, the gas supply unit, the water supply unit, the injection buffer and the injection distributor are provided with a plurality of sensors connected with the controller in a matching way.
Preferably, the medicament configuration unit comprises at least 2 medicament initial configuration devices, and any medicament initial configuration device is arranged corresponding to a feeding port; any primary medicament preparation device is connected to a corresponding medicament storage tank through a first transmission unit, any medicament storage tank is connected to a medicament mixer through a second transmission unit, and the medicament mixer is connected to an injection buffer and a gas supply unit through a first channel and a second channel respectively;
the first channel is provided with a first valve and a second valve, and the second channel is provided with a first valve and a third valve;
a backflow stirring channel is arranged between any one of the medicament storage tanks and the corresponding second transmission unit;
the medicament preliminary mixing device, the first transmission unit, the second transmission unit, the medicament mixer, the first valve, the second valve and the third valve are connected to the controller.
Preferably, the two ends of the backflow stirring channel are respectively communicated with the outlet of the second transmission unit and the liquid return opening space of the medicament storage tank, and a backflow valve is arranged on the backflow stirring channel.
Preferably, the air supply unit comprises a compressed air supply device, an oxygen production device and an ozone generation device;
the compressed air supply device is connected to the injection buffer through a third channel, and a fourth valve and a fifth valve are arranged on the third channel; the compressed air supply device is connected to the injection distributor through a fourth channel; a ninth valve is arranged on the fourth channel;
the third channel between the fourth valve and the fifth valve is connected to an air inlet of the micro-nano bubble generating device through a branch channel, and a sixth valve is arranged on the branch channel; the medicament configuration unit is matched with a liquid inlet of the micro-nano bubble generation device through a second channel; the micro-nano bubble generating device is matched with the injection buffer;
the oxygen generating device is communicated with a third channel between the fourth valve and the fifth valve through a seventh valve;
the ozone generating device is communicated with a branch channel between the third channel and the sixth valve through the eighth valve;
the compressed air supply device, the oxygen generation device, the ozone generation device, the micro-nano bubble generation device, the fourth valve, the fifth valve, the sixth valve, the seventh valve, the eighth valve and the ninth valve are connected to the controller.
Preferably, the micro-nano bubble generating device is connected to a micro-nano bubble releaser, the micro-nano bubble releaser is arranged at the bottom inside the injection buffer, and an outlet of the micro-nano bubble releaser is communicated with the inner space of the injection buffer.
Preferably, the water supply unit comprises a water supply tank connected to the water supply power transmission device; the fifth passage is in communication with the second valve space and the sixth passage is in communication with the third valve space; the water feeding tank and the water feeding power transmission device are connected to the controller.
Preferably, the seventh channel is provided with a high-pressure liquid injection device, and the eighth channel is provided with a high-pressure gas injection power device; the high-pressure liquid injection device and the high-pressure gas injection power device are respectively connected to a liquid inlet and a gas inlet of the injection distributor.
A single-source injection method using the soil/groundwater integrated injection system, the single-source injection method including a chemical injection method, a gas injection method and a flush injection method;
the medicament injection method comprises the following steps:
step A.1.1: one or more medicaments are put into one or more corresponding medicament primary preparation devices, and the medicaments are prepared into liquid medicaments and are uniformly stirred;
step A.1.2: opening the first transmission unit, transmitting the configured medicament in the medicament primary preparation device to the corresponding medicament storage tank, adding water into the medicament storage tank according to a preset proportion, and uniformly mixing the medicaments through a backflow stirring channel;
step A.1.3: delivering the medicaments in the one or more medicament storage tanks to a medicament mixer through a second transmission unit for mixing, opening a first valve and a second valve, and delivering the mixed liquid from the medicament mixer to an injection buffer;
step A.1.4: after the medicament reaches the preset amount or the injection buffer receives an instruction, the high-pressure liquid injection device is started, and the medicament is output to the injection distributor from the injection buffer and is output through the injection port;
the gas injection method includes the steps of:
step A.2.1: starting a compressed air supply device and/or an oxygen generation device and/or an ozone generation device, and opening a corresponding valve between the compressed air supply device and/or the oxygen generation device and/or the ozone generation device and an injection buffer;
step A.2.2: when injection is needed, starting the high-pressure gas injection power device, and conveying gas from the injection buffer to the injection distributor and outputting the gas through the injection port; completing gas injection;
the flushing injection method comprises the following steps:
step A.3.1: starting the water supply power transmission device, the fifth channel and the second valve, and inputting water in the water supply tank into the injection buffer from the water supply tank;
step A.3.2: when injection is needed, the high-pressure liquid injection device is started, and the medicament is output to the injection distributor from the injection buffer and is output through the injection port; the flush injection is completed.
A double-source injection method adopting the soil/underground water integrated injection system is a micro-nano bubble liquid injection method and comprises the following steps:
step B.1.1: starting a compressed air supply device and/or an oxygen generation device and/or an ozone generation device, and starting a corresponding valve between the compressed air supply device and/or the oxygen generation device and/or the ozone generation device and the micro-nano bubble generation device;
step B.1.2: starting the water supply power transmission device, the fifth channel, the second valve, the sixth channel and the third valve, and inputting water in the water supply tank into the injection buffer and the micro-nano bubble generation device from the water supply tank;
step B.1.3: starting the micro-nano bubble generating device to generate a gas-liquid mixed solution, inputting the gas-liquid mixed solution into a micro-nano bubble releaser in the injection buffer from the micro-nano bubble generating device, and releasing the micro-nano bubble liquid into water in the injection buffer for temporary storage under the action of the micro-nano bubble releaser;
step B.1.4: and when the micro-nano bubble liquid reaches the preset amount or the injection buffer receives an instruction, the high-pressure liquid injection device is started, and the micro-nano bubble liquid is output to the injection distributor from the injection buffer and is output through the injection port.
A mixed micro-nano bubble liquid injection method adopting the soil/underground water integrated injection system comprises the following steps:
step C.1: placing the medicament A and another preset medicament B into a corresponding medicament primary preparation device, preparing the medicaments into liquid medicaments, and uniformly stirring the liquid medicaments;
step C.2: opening the first transmission unit, transmitting the configured medicament in the medicament primary preparation device to the corresponding medicament storage tank, adding water into the medicament storage tank according to a preset proportion, and uniformly mixing the medicaments through a backflow stirring channel;
step C.3: opening the water supply power transmission device, the fifth channel and the second valve, and inputting the water in the water supply tank into the injection buffer through the water supply power transmission device; after the completion, closing the water supply power transmission device, the fifth channel and the second valve;
step C.4: opening the second transmission unit, the first valve and the third valve, enabling the medicament to enter the medicament mixer, and outputting the formed mixed medicament to the micro-nano bubble generating device under the action of the medicament mixer;
starting a compressed air supply device and/or an oxygen generation device and/or an ozone generation device based on the gas to be configured, and starting a corresponding valve between the compressed air supply device and/or the oxygen generation device and/or the ozone generation device and the micro-nano bubble generation device;
step C.5: starting the micro-nano bubble generating device to generate a medicament gas-liquid mixed solution, inputting the medicament gas-liquid mixed solution from the micro-nano bubble generating device into a micro-nano bubble releaser in the injection buffer, forming a medicament mixed micro-nano bubble liquid under the action of the micro-nano bubble releaser, and releasing the medicament mixed micro-nano bubble liquid into water in the injection buffer for temporary storage;
step C.6: when the micro-nano bubble liquid mixed with the medicament in the injection buffer reaches a certain amount, the input of the injection buffer is stopped, the high-pressure liquid injection device is started, and the medicament mixed micro-nano bubble liquid is output from the injection buffer to the injection distributor and is output through the injection port.
The invention relates to an optimized soil/underground water integrated injection system and a single-source, double-source and mixed micro-nano bubble liquid injection method thereof.
Compared with the prior art, the invention has the following beneficial effects:
(1) the injection system can realize stable and uniform high-pressure injection of single source of water/medicament/gas, double sources of micro-nano bubble water and medicament mixed micro-nano bubble liquid, is favorable for diffusion of injection, and has good injection effect on silt and clay layers with lower permeability coefficients or deeper underground water layers;
(2) the micro-nano bubble technology is adopted for gas-liquid mixing, and the treatment effect on water is improved by utilizing the characteristics that the micro-nano bubbles rise very slowly in water and need several minutes or even reach dozens of minutes from generation to final breaking and disappearance in water;
(3) the injection function is complete, oxidant and reducer can be injected into the polluted area independently to realize chemical oxidation/reduction treatment, solubilizer is injected independently to promote desorption and dissolution of adsorbed pollutants, micro-nano bubble liquid or medicament mixed micro-nano bubble liquid is injected independently to promote oxygen content in underground water and microbial degradation, gas can be injected into the polluted area directly to carry out biological aeration (air stripping) repair, the aeration gas type can be oxygen, air or ozone, efficient soil and underground water repair can be realized according to the process requirement, and a large amount of water can be injected into the injection position directly to carry out flushing operation;
(4) the injection well dredging device has the function of dredging the injection well, and can directly inject high-pressure gas into the injection well through the compressed air supply device for dredging, so that the performance of the injection well is recovered;
(5) the injection pressure or the injection flow can be quickly adjusted, and the device is suitable for various geological polluted sites; in the injection process, the controller obtains data of a pressure sensor and a flow sensor of an injection port, and the injection pressure or the injection flow is adjusted by controlling the opening of the electric valve so as to be gradually stabilized at a design value, thereby being suitable for the requirements of fields with different properties;
(6) the integration of system equipment is realized, and all system equipment is intensively designed in a container body, so that the transportation and transfer of the equipment are facilitated, and the frequent pipeline installation work is reduced;
(7) the centralized control and the safety of the system are realized; the equipment device is provided with a central control system, can remotely control and supervise the start and stop of each equipment in each device, is provided with instruments such as a pressure sensor, a flow sensor and the like on each main pipeline, can supervise the operation control condition of each pipeline, and can control and adjust corresponding actuating mechanisms such as valves and the like according to the working condition requirement, thereby realizing the operation control of the corresponding pipelines; under the remote monitoring of the central control system, when the pressure and the flow of a certain pipeline are abnormal and exceed the alarm value, the system can automatically adjust a pipeline valve and a corresponding power device according to specific conditions to enable the pressure and the flow to return to the safety values; when a certain power device is abnormal, the system can automatically close the valve of the corresponding pipeline, and liquid is prevented from flowing backwards to damage equipment.
The invention is mainly used for repairing polluted sites and underground water, can be used for the polluted sites of various geologies, has strong medicament mixing performance, can inject liquid, liquid and gas into the polluted area, perform various repairing operations such as aeration and the like, has the function of dredging an injection well, can quickly adjust the injection pressure, is suitable for the polluted sites of various geologies, has the functions of strong medicament mixing performance and the like, is convenient to move, has high efficiency in use, long service life, high safety in the construction process, good construction operation environment and better application prospect.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the system of the present invention during injection of a medicament under normal operating conditions;
FIG. 3 is a schematic diagram of the system of the present invention operating with gas injection under normal operating conditions;
FIG. 4 is a schematic diagram of the system of the present invention during a flush injection under normal operating conditions;
FIG. 5 is a schematic diagram of the system according to the present invention, in which oxygen-rich micro-nano gas-liquid mixture is generated under normal operation;
FIG. 6 is a schematic diagram of the system of the present invention during injection of a medicament mixed micro-nano bubble liquid using compressed air as an air source under normal working conditions;
fig. 7 is a schematic diagram of the operation of the system of the present invention with a fourth passage acting as a through hole in the event of a plugged well.
In fig. 2-7, the direction of the output of the gas or liquid or gas-liquid mixture is indicated by arrows.
In the figure, 1 is a container body, 2 is a feeding port, 3 is an injection port, 4 is a first channel, 5 is an injection buffer, 6 is a second channel, 7 is a third channel, 8 is a fourth channel, 9 is an injection distributor, 10 is a fifth channel, 11 is a sixth channel, 12 is a seventh channel, 13 is an eighth channel, 14 is a micro-nano bubble generating device, 15 is a compressed air supplying device, 16 is a medicament initial distribution device, 17 is a first transmission unit, 18 is a medicament storage tank, 19 is a second transmission unit, 20 is a medicament mixer, 21 is a first valve, 22 is a second valve, 23 is a third valve, 24 is a reflux stirring channel, 25 is a reflux valve, 26 is a tenth valve, 27 is an oxygen generating device, 28 is an ozone generating device, 29 is a fourth valve, 30 is a fifth valve, 31 is a ninth valve, 32 is a branch channel, 33 is a sixth valve, 34 is a seventh valve, an eighth valve 35, a micro-nano bubble releaser 36, a water supply tank 37, a water supply power transmission device 38, a high-pressure liquid injection device 39 and a high-pressure gas injection power device 40.
Detailed Description
The present invention is described in further detail with reference to the following examples, but the scope of the present invention is not limited thereto.
The invention relates to a soil/underground water integrated injection system, which comprises a container body 1, wherein the container body 1 comprises a feeding port 2 and an injection port 3; a medicament configuration unit, an air supply unit and a water supply unit are arranged in the container body 1;
the medicine configuration unit is connected to an injection buffer 5 through a first channel 4, and is matched with the gas supply unit through a second channel 6; the medicament configuration unit is matched with the feeding port 2;
the gas supply unit is connected to an injection buffer 5 through a third channel 7, and the gas supply channel is connected to an injection distributor 9 through a fourth channel 8;
the water supply unit is connected to the injection buffer 5 through a fifth channel 10, and the water supply unit is connected to the gas supply unit through a sixth channel 11;
the liquid outlet channel of the injection buffer 5 is connected to the injection distributor 9 through a seventh channel 12, and the gas outlet channel of the injection buffer 5 is connected to the injection distributor 9 through an eighth channel 13; the injection distributor 9 is matched with the injection port 3;
the medicament configuration unit, the gas supply unit, the water supply unit, the injection buffer 5 and the injection distributor 9 are connected with the controller;
the medicament configuration unit, the air supply unit, the water supply unit, the injection buffer 5 and the injection distributor 9 are provided with a plurality of sensors connected with the controller in a matching way.
In the invention, a container body 1 is taken as an integral carrier, materials are fed from a material inlet 2 and injected from an injection port 3, and a water collecting part is additionally arranged and used for introducing external water; the device comprises a medicament configuration unit, an air supply unit and a water supply unit, wherein the medicament configuration unit, the air supply unit and the water supply unit are controllably connected through different channels, the medicament configuration unit, the air supply unit and the water supply unit are controllably connected to an injection buffer 5 and an injection distributor 9 through different channels, the above components are all arranged in a container body 1, the whole operation is carried out, a circuit is not required to be arranged before each operation, only the injection port 3 of the injection distributor 9 needs to be aligned to an area needing to be injected, and the corresponding channel is started by a controller.
In the invention, each channel completes different operations:
the first channel 4 is connected with a medicament configuration unit and an injection buffer 5 and is used for providing medicament required for injection;
the second channel 6 is connected with the medicament configuration unit and the gas supply unit and is used for enabling the medicament to act on the micro-nano bubble generating device 14 in the gas supply unit to generate required medicament mixed micro-nano bubble liquid;
the third channel 7 is connected with the gas supply unit and the injection buffer 5 and is used for supplying gas required by injection;
the fourth channel 8 is connected with a gas supply unit and an injection distributor 9 and is used for directly injecting gas to a specified position;
the fifth channel 10 is connected with the water supply unit and the injection buffer 5 and is used for providing water required by injection;
the sixth channel 11 is connected with the water supply unit and the air supply unit and is used for enabling water to act on the micro-nano bubble generating device 14 in the air supply unit to generate required micro-nano bubble liquid;
the seventh channel 12 is connected with the liquid outlet channel of the injection buffer 5 and the injection distributor 9, and is used for conveying the liquid in the injection buffer 5 to the injection port 3;
the eighth channel 13 connects the gas outlet channel of the injection buffer 5 and the injection distributor 9 for delivering the gas in the injection buffer 5 to the injection port 3.
In the present invention, the sensors include liquid level sensors, pressure sensors, flow sensors, temperature sensors, etc. disposed in each pipeline and independent devices, such as the compressed air supply device 15, and the sensors feed back the liquid level values, pressure values, flow values, and temperature values at each location, and give out specific processing schemes based on the characteristics of the actual repair area. The arrangement of the sensor is conventional in the art, and a person skilled in the art can set the sensor to perform different feedback operations according to needs.
In the invention, further, the injection distributor 9 is matched with a plurality of injection ports 3, and the injection ports 3 are outlets of the integrated solubilization oxygenation injection system and are respectively provided with a flowmeter, a manometer and an electric valve device.
In the invention, the opening and closing of each channel under different requirements are controlled by a controller, specifically, the opening and closing of valves on different channels are controlled, and a sensor is used for assisting in feeding back a sensing signal, so that the injection operation of a single source of water/medicament/gas, double sources of micro-nano bubble water and mixed micro-nano bubble liquid is completed; generally, the controller is also connected to a power supply unit and an operation/display unit, which control the power equipment and the pipeline meters of all units in the container body 1. The arrangement of the controller is conventional in the art, and can be set by a person skilled in the art according to requirements, which is not shown in the figure.
The medicament configuration unit comprises at least 2 medicament primary configuration devices 16, and any medicament primary configuration device 16 is arranged corresponding to one feeding port 2; any primary medicament preparation device 16 is connected to a corresponding medicament storage tank 18 through a first transmission unit 17, any medicament storage tank 18 is connected to a medicament mixer 20 through a second transmission unit 19, and the medicament mixer 20 is connected to the injection buffer 5 and the gas supply unit through a first passage 4 and a second passage 6 respectively;
a first valve 21 and a second valve 22 are arranged on the first channel 4, and a first valve 21 and a third valve 23 are arranged on the second channel 6;
a backflow stirring channel 24 is arranged between any one of the medicament storage tanks 18 and the corresponding second transmission unit 19;
the primary medicament dispensing device 16, the first delivery unit 17, the second delivery unit 19, the medicament mixer 20, the first valve 21, the second valve 22 and the third valve 23 are connected to a controller.
The two ends of the backflow stirring channel 24 are respectively communicated with the outlet of the second transmission unit 19 and the liquid return opening space of the medicament storage tank 18, and the backflow stirring channel 24 is provided with a backflow valve 25.
In the invention, the medicament configuration unit completes the configuration and output of medicaments, and generally 2 sets of medicament configuration units which are juxtaposed are arranged, so that the configuration of single-component medicaments can be directly completed, and the configuration of mixed medicaments can also be completed; agents include, but are not limited to, oxidizing agents, reducing agents, solubilizing agents.
In the invention, an initial chemical reagent is put into the reagent primary preparation unit 16 through the feeding port 2, generally speaking, the reagent primary preparation unit 16 takes a preparation tank as a carrier, a stirring paddle is arranged in the preparation tank, a liquid level sensor is used for sensing the liquid level height, and after the liquid level is stirred to a certain degree, a first transmission unit 17 is started to transmit the liquid level to a corresponding reagent storage tank 18 for temporary storage; when the medicine is required to be used, the corresponding second transfer unit 19 between the medicine storage tank 18 and the medicine mixer 20 is opened to transfer the medicine into the medicine storage tank 18.
In the present invention, the first transfer unit 17 and the second transfer unit 19 are both diaphragm pumps or corrosive centrifugal pumps.
In the invention, in order to ensure that the medicaments are uniformly mixed and do not precipitate, a backflow stirring channel 24 is arranged between the medicament storage tank 18 and the corresponding second transmission unit 19, and the medicaments return to the medicament storage tank 18 after passing through the second transmission unit 19 and the backflow valve 25 from the medicament storage tank 18 through the effect of the backflow valve 25, thereby playing the role of stirring the medicaments; based on this, in principle, the drug mixer 20 can independently achieve the purpose of introducing the drug or preventing the drug from being input by opening and closing the liquid inlet, and after the backflow stirring channel 24 is provided, in order to ensure the synchronous operation of stirring the drug and receiving the drug by the drug mixer 20, the tenth valve 26 can be additionally arranged on the connecting pipeline of the second transmission unit 19 and the drug mixer 20, and the opening and closing degree of the pipeline between the second transmission unit 19 and the drug mixer 20 can be controlled.
In the invention, a three-way pipeline is arranged at the outlet of the medicament mixer 20, and the three-way pipeline is respectively guided to the inlet of the micro-nano bubble generating device 14 in the gas supply unit by a first valve 21 and a third valve 23 and is guided to the inlet of the injection buffer 5 by the first valve 21 and a second valve 22, so that the purposes of providing medicaments for medicament mixing micro-nano bubble liquid and providing medicament injection for common medicament injection are respectively fulfilled.
The air supply unit comprises a compressed air supply device 15, an oxygen production device 27 and an ozone generation device 28;
the compressed air supply device 15 is connected to the injection buffer 5 through a third channel 7, and a fourth valve 29 and a fifth valve 30 are arranged on the third channel 7; said compressed air supply means 15 is connected to the syringe distributor 9 through a fourth channel 8; a ninth valve 31 is arranged on the fourth channel 8;
the third channel 7 between the fourth valve 29 and the fifth valve 30 is connected to an air inlet of the micro-nano bubble generating device 14 through a branch channel 32, and a sixth valve 33 is arranged on the branch channel 32; the medicament configuration unit is matched with a liquid inlet of the micro-nano bubble generating device 14 through a second channel 6; the micro-nano bubble generating device 14 is matched with the injection buffer 5;
the oxygen generating device 27 is communicated with the third channel 7 between the fourth valve 29 and the fifth valve 30 through the seventh valve 34;
the ozone generating device 28 is communicated with a branch channel 32 between the third channel 7 and the sixth valve 33 through an eighth valve 35;
the compressed air supply device 15, the oxygen generation device 27, the ozone generation device 28, the micro-nano bubble generation device 14, the fourth valve 29, the fifth valve 30, the sixth valve 33, the seventh valve 34, the eighth valve 35 and the ninth valve 31 are connected to the controller.
The micro-nano bubble generating device 14 is connected to the micro-nano bubble releaser 36, the micro-nano bubble releaser 36 is arranged at the bottom inside the injection buffer 5, and an outlet of the micro-nano bubble releaser 36 is communicated with the inner space of the injection buffer 5.
In the invention, a compressed air supply device 15 is respectively connected with an injection buffer 5 and an injection distributor 9, an oxygen generating device 27 is connected with the injection buffer 5, an ozone generating device 28 is connected with the injection buffer 5, and the three devices are respectively used for outputting air, oxygen and ozone to complete different injection functions.
In the invention, any solution injection or aeration may encounter well blockage, so a through hole is needed, and the compressed air supply device 15 can directly inject air to the injection distributor 9 through the opening and closing of the ninth valve 31 on the fourth channel 8 so as to dredge the injection well/pipe, so that various applications can be carried out; meanwhile, the compressed air is output to the injection buffer 5 for pre-storage by the combined opening of the fourth valve 29 and the fifth valve 30 on the third channel 7; the third channel 7 is the main channel in the air supply unit, the fourth valve 29 is mainly used for the input of compressed air generated by the compressed air supply 15, and the fifth valve 30 is used for controlling the input to the injection buffer 5.
In the invention, the oxygen generator 27 is connected with the main channel of the gas supply unit through the seventh valve 34, and the position of the oxygen generator is generally between the fourth valve 29 and the fifth valve 30, so that the combined gas supply and the single gas supply can be carried out, and the purpose of directly introducing the oxygen generated by the oxygen generator 27 into the injection buffer 5 for storage is realized.
In the present invention, the ozone generator 28 is connected to the main channel of the gas supply unit through the eighth valve 35, and the position of the ozone generator is generally between the fourth valve 29 and the fifth valve 30, so that the gas supply can be combined, or the gas supply can be performed by a single gas source, thereby achieving the purpose that the ozone generated by the ozone generator 28 is directly introduced into the injection buffer 5 for storage.
In the invention, the most important thing is that the micro-nano bubble generating device 14 is arranged in the gas supply unit, when in conventional aeration, the bubble molecules are usually bubbles larger than hundred micrometers or millimeter level, the bubbles can quickly rise to the water surface after entering the water phase and break and disappear, the existence time is short, generally only a few seconds, the micro-nano bubbles have a large specific surface area, the rising speed in the water is very slow, several minutes or even dozens of minutes are needed from generation to final breaking and disappearance in the water, and the self-pressurization property is added, so that the mass transfer efficiency of a gas-liquid interface can be continuously enhanced, and the treatment effect on the water can be greatly improved; further, the compressed gas generated by the compressed air supply device 15 may be introduced into the micro-nano bubble generating device 14 to further promote the formation of the gas-liquid mixed liquid rich in air, the oxygen generated by the oxygen generating apparatus 27 may be introduced into the micro-nano bubble generating device 14 to further form the gas-liquid mixed liquid rich in oxygen, or the ozone generated by the ozone generating device 28 may be introduced into the micro-nano bubble generating device 14 to further form the gas-liquid mixed liquid rich in ozone.
In the present invention, the drug mixer 20 is also connected to the inlet of the micro-nano bubble generating device 14, and further forms a drug-mixed bubble liquid with the micro-nano bubble generating device 14.
In the invention, in order to complete the above operations, the main channel of the air supply unit is additionally provided with a branch channel 32 and an air inlet connected to the micro-nano bubble generation device 14, wherein the branch channel 32 is arranged behind the access points of the compressed air supply device 15, the oxygen generation device 27 and the ozone generation device 28 and is positioned between the fourth valve 29, the seventh valve 34, the eighth valve 35 and the fifth valve 30, that is, the compressed air supply device 15, the oxygen generation device 27 and the ozone generation device 28 can be communicated with the micro-nano bubble generation device 14 for further operations, or can be independently operated by the micro-nano bubble generation device 14; meanwhile, the medicament mixer 20 is matched with the liquid inlet of the micro-nano bubble generating device 14 through the first valve 21 and the third valve 23, that is, the medicament can be introduced into the micro-nano bubble generating device 14 for further operation.
In the invention, the micro-nano bubble releaser 36 is generally arranged at the bottom inside the injection buffer 5, so that micro-nano bubbles can be conveniently released to the inner space of the injection buffer 5; for convenience of control, a valve is generally disposed on a pipeline between the micro-nano bubble generating device 14 and the micro-nano bubble releaser 36 for controlling the releasing effect of the micro-nano bubbles.
The water supply unit comprises a water supply tank 37, and the water supply tank 37 is connected to a water supply power transmission device 38; the fifth passage 10 is in spatial communication with a second valve 22, and the sixth passage 11 is in spatial communication with a third valve 23; the water feeding tank 37 and the water feeding power transmission device 38 are connected to the controller.
In the invention, the water supply tank 37 can take water from the outside or can be built-in water in the container body 1, and the water supply tank 37 respectively supplies water to the injection buffer 5 and the micro-nano bubble generating device 14 of the gas supply unit through the water supply power transmission device 38, thereby realizing the purpose of injecting clean water into the injection buffer 5 or providing clean water for the bubble liquid.
In the present invention, the output pipeline of the water feeding power transmission device 38 is provided with a three-way valve, the water feeding power transmission device 38 and the second valve 22 or the third valve 23 are respectively conducted by switching the valve, when the second valve 22 is conducted, water can be independently injected or the drug can be mixed, and when the third valve 23 is conducted, the bubble liquid is generated.
In the present invention, the water feeding power transmission device 38 is generally a water pump.
The seventh channel 12 is provided with a high-pressure liquid injection device 39, and the eighth channel 13 is provided with a high-pressure gas injection power device 40; the high-pressure liquid injection device 39 and the high-pressure gas injection power device 40 are respectively connected to a liquid inlet and a gas inlet of the injection distributor 9.
In the invention, the injection buffer 5 is a pressure vessel, and is provided with electronic instruments such as a pressure instrument, a safety valve, a liquid level detection instrument, a safety alarm device and the like, all the electronic instruments are connected with the controller and feed back signals or data to the controller, which is a content easily understood by a person skilled in the art, and the person skilled in the art can set the injection buffer according to the requirement.
In the invention, a high-pressure liquid injection device 39 is connected with an injection distributor 9 by a sealing pipeline, a flowmeter and a pressure instrument are arranged on the sealing pipeline, a high-pressure gas injection power device 40 is connected with the injection distributor 9 by a gas pipeline, and the gas pipeline is provided with electric instruments such as a pressure gauge, a gas flowmeter and the like; in the actual operation process, corresponding valves are arranged between the high-pressure liquid injection device 39, the high-pressure gas injection power device 40 and the injection distributor 9, and the injection flow and the injection pressure can be adjusted and controlled by adjusting the opening degree of the valves; obviously, the high-pressure liquid injection device 39 and the high-pressure gas injection power device 40 are provided in cooperation with the controller.
In the present invention, the high-pressure liquid injection device 39 is provided as a plunger pump; the high-pressure liquid injection power device 40 in the injection system adopts a plunger pump to realize stable and uniform high-pressure injection of the medicament or the bubble liquid. The direct-push injection equipment is generally about 0.6MPa to 0.8 MPa, the maximum injection pressure of the plunger pump can reach 20MPa, the diffusion of the medicament is facilitated, and the injection effect is good in a silt layer, a silt clay layer or a deep underground water layer with lower permeability coefficient
In the present invention, the high pressure gas injection power plant 40 is a high pressure blower.
In the invention, if no special description is provided, the valves are all electromagnetic valves or electric valves, and control signal lines of the valves are all connected with a controller, so that pipelines can be remotely controlled and switched.
The invention also relates to a single-source injection method adopting the soil/underground water integrated injection system, and the single-source injection method comprises a medicament injection method, a gas injection method and a flushing injection method.
In the invention, the single-source injection method mainly means that the injection is obtained from the medicament configuration unit, the gas supply unit or the water supply unit independently for injection, and the medicament configuration unit, the gas supply unit and the water supply unit are not reacted and matched with each other; single-source injected medicaments are used to accomplish the basic contaminant oxidation/reduction/solubilization operations, single-source injected gases are used to aerate the injection site, unblock tubing wells, etc., typically compressed air, while single-source injected water is used primarily for cleaning.
The medicament injection method comprises the following steps:
step A.1.1: one or more medicaments are put into one or more corresponding medicament primary preparation devices 16, and the medicaments are prepared into liquid medicaments and are uniformly stirred;
step A.1.2: opening the first transmission unit 17, transmitting the configured medicament in the medicament primary preparation device 16 to the corresponding medicament storage tank 18, adding water into the medicament storage tank 18 according to a preset proportion, and uniformly mixing the medicaments through the backflow stirring channel 24;
step A.1.3: delivering the medicaments in the one or more medicament storage tanks 18 to the medicament mixer 20 for mixing via the second transfer unit 19, opening the first valve 21 and the second valve 22, and delivering the mixed liquid from the medicament mixer 20 to the injection buffer 5;
step A.1.4: after the medicament reaches the preset amount or the injection buffer 5 receives the instruction, the high-pressure liquid injection device 39 is started, and the medicament is output from the injection buffer 5 to the injection distributor 9 and is output through the injection port.
In the invention, when the medicament is injected, one or more medicaments are put into the corresponding one or more medicament primary preparation devices 16, the medicaments comprise solubilizing medicaments, oxidizing medicaments, reducing medicaments and the like, and a corrosion-resistant centrifugal pump is used as a primary medicament power transmission device and a secondary medicament power transmission device; strictly speaking, when all the used medicaments are in liquid state, a plurality of passages can be selected to work together, and the injection operation can also be carried out sequentially; if a non-liquid drug is concerned, the drug should be disposed and introduced as separately as possible.
In the invention, the medicament is uniformly stirred by the stirring paddle in the medicament primary preparation device 16, prepared into liquid medicament, and conveyed to the medicament storage tank 18 through the first transmission unit 17, and works through the backflow stirring channel 24 to keep the medicament uniform.
According to the invention, after an injection command is obtained, one or more medicaments are transmitted to the medicament mixer 20 from the respective corresponding medicament storage tank 18, the first valve 21 and the second valve 22 are opened, the mixed medicaments are output to the injection buffer 5 from the medicament mixer 20 for buffering, and when the medicaments in the injection buffer 5 reach a preset amount, the mixed medicaments are conveyed to the injection distributor 9 through the high-pressure liquid injection device 39 and finally injected into a polluted site through the injection port 3.
In the invention, in the injection process, the controller obtains the data of the pressure sensor and the flow sensor of each outlet of the injection distributor 9, and the injection flow is adjusted by controlling the electric valve to be stabilized at a design value; during the injection process, a well blockage situation may occur, for example, the injection pressure is abnormally high, and when the well blockage occurs, the high-pressure liquid injection device 39 stops working, and the compressed air supply device 15 and the ninth valve 31 are started to perform the through hole operation until the through hole operation is conducted.
The gas injection method includes the steps of:
step A.2.1: starting the compressed air supply device 15 and/or the oxygen generation device 27 and/or the ozone generation device 28, and opening a corresponding valve between the compressed air supply device 15 and/or the oxygen generation device 27 and/or the ozone generation device 28 and the injection buffer 5;
step A.2.2: when injection is needed, the high-pressure gas injection power device 40 is started, and gas is conveyed to the injection distributor 9 from the injection buffer 5 and is output through the injection port 3; the gas injection is completed.
In the invention, the inlet and outlet pipelines of each gas production device are in a parallel connection mode, the purpose of using single gas or mixed gas can be realized, and the injection of multiple gases is finally realized by the preparation and injection of the single gas.
In the invention, the fourth valve 29 and/or the seventh valve 34 and/or the eighth valve 35 corresponding to the compressed air supply device 15 and/or the oxygen generating device 27 and/or the ozone generating device 28 are/is started, and simultaneously, the fifth valve 30 is opened, and the gas is output to the injection buffer 5; after the required injection amount and pressure are set, the high-pressure gas injection power device 40 is started, and gas in the injection buffer 5 enters the injection distributor 9 along the gas path through the high-pressure gas injection power device 40 and is output and injected into a specified position through the injection port 3 of the injection distributor 9.
In the invention, the valve of the injection port 3 can be automatically adjusted by feeding back data of a flowmeter and a pressure gauge at the outlet of the injection distributor 9 in real time, so that the flow and the pressure are controlled within the range of set values.
In the present invention, the working principle of the fourth channel 8 and its corresponding ninth valve 31 is different from that of the gas injection method.
The flushing injection method comprises the following steps:
step A.3.1: starting the water supply power transmission device 38, the fifth channel 10 and the second valve 22, and inputting water in the water supply tank 37 from the water supply tank 37 into the injection buffer 5;
step A.3.2: when injection is needed, the high-pressure liquid injection device 39 is started, and the medicament is output to the injection distributor 9 from the injection buffer 5 and is output through the injection port 3; the flush injection is completed.
In the present invention, the flush injection method is the same as the gas injection method, water is introduced from the water supply tank 37, and the water is delivered to the injection buffer 5 through the water supply power transmission device 38, the fifth channel 10 and the second valve 22; after the preset water amount is reached, the high-pressure liquid injection device 39 is started, water in the injection buffer 5 enters the injection distributor 9 through the high-pressure liquid injection device 39 along a closed pipeline, and is output and injected into a specified position through the injection port 3 of the injection distributor 9.
In the invention, the condition of well blockage can be generated in the flushing process, so that data fed back by the sensor can be obtained in real time, the condition of well blockage, such as abnormally high injection pressure and the like, can occur in the injection process, when the well blockage occurs, water injection is stopped, the compressed air supply device 15 and the ninth valve 31 are started, and the through hole operation is carried out until the dredging is carried out.
In the invention, the valve of the injection port 3 can be automatically adjusted by feeding back data of a flowmeter and a pressure gauge at the outlet of the injection distributor 9 in real time, so that the flow and the pressure are controlled within the range of set values.
The invention also relates to a double-source injection method adopting the soil/underground water integrated injection system, which is a micro-nano bubble liquid injection method and comprises the following steps:
step B.1.1: starting the compressed air supply device 15 and/or the oxygen generation device 27 and/or the ozone generation device 28, and opening a corresponding valve between the compressed air supply device 15 and/or the oxygen generation device 27 and/or the ozone generation device 28 and the micro-nano bubble generation device 14;
step B.1.2: starting the water supply power transmission device 38, the fifth channel 10, the second valve 22, the sixth channel 11 and the third valve 23, and inputting water in the water supply tank 37 from the water supply tank 37 into the injection buffer 5 and the micro-nano bubble generation device 14;
step B.1.3: starting the micro-nano bubble generating device 14 to generate a gas-liquid mixed solution, inputting the gas-liquid mixed solution from the micro-nano bubble generating device 14 to the micro-nano bubble releaser 36 in the injection buffer 5, and releasing the micro-nano bubble liquid into water in the injection buffer 5 for temporary storage under the action of the micro-nano bubble releaser 36;
step B.1.4: when the micro-nano bubble liquid reaches the preset amount or the injection buffer 5 receives a command, the high-pressure liquid injection device 39 is started, and the micro-nano bubble liquid is output from the injection buffer 5 to the injection distributor 9 and is output through the injection port 3.
In the invention, the double-source injection method mainly comprises the steps of obtaining gas and water from a gas supply unit and a water supply unit for acting and injecting; specifically, micro-nano bubble liquid is mainly generated by double-source injection, so that the oxygen content in underground water is improved, and microbial degradation is promoted.
In the invention, on one hand, water in the water supply unit is led to the injection buffer 5, on the other hand, gas generated by the gas supply unit is processed by the micro-nano bubble generating device 14 and then is conveyed to the micro-nano bubble releaser 36 in the injection buffer 5, and the micro-nano bubble releaser and the gas are acted together in the injection buffer 5 to form micro-nano bubble liquid.
In the invention, water is introduced from a water supply tank 37, the water is respectively delivered to an injection buffer 5 and a micro-nano bubble generating device 36 according to a preset proportion through a water supply power transmission device 38, a fifth channel 10, a second valve 22, a sixth channel 11 and a third valve 23, a fourth valve 29 and/or a seventh valve 34 and/or an eighth valve 35 corresponding to a compressed air supply device 15 and/or an oxygen generating device 27 and/or an ozone generating device 28 are/is started, the fifth valve 30 is closed, the sixth valve 33 is opened, and gas is output to the micro-nano bubble generating device 14; one part of water is temporarily stored in the injection buffer 5, the other part of water enters a gas-liquid mixture formed by the prepared gas from the micro-nano bubble generating device 14 through a pipeline into a micro-nano bubble releaser 36 arranged at the bottom of the injection buffer 5 under the action of the micro-nano bubble generating device 14, and micro-nano bubble liquid is formed in the water temporarily stored in the injection buffer 5 through the action of the micro-nano bubble releaser 36 and temporarily stored.
In the invention, when the micro-nano bubble liquid in the injection buffer 5 reaches a certain amount, the preparation is stopped, the high-pressure liquid injection device 39 is started, the micro-nano bubble liquid is sent to the injection distributor 9 through the high-pressure liquid injection device 39 and is injected into a specified position through the injection port 3, and meanwhile, a flow meter and a pressure gauge at the outlet of the injection distributor 9 automatically adjust a valve of the injection port 3 through data acquisition, so that the injection amount and the pressure are controlled within a required range; during the injection process, a well blockage situation may occur, for example, the injection pressure is abnormally high, and when the well blockage occurs, the high-pressure liquid injection device 39 stops working, and the compressed air supply device 15 and the ninth valve 31 are started to perform the through hole operation until the through hole operation is conducted.
In the invention, after the micro-nano bubble liquid in the injection buffer 5 is injected each time, the preparation process is repeated.
The invention also relates to a mixed micro-nano bubble liquid injection method adopting the soil/underground water integrated injection system, which comprises the following steps:
step C.1: placing the medicament A and another preset medicament B into a corresponding medicament primary preparation device 16, preparing the medicaments into liquid medicaments and uniformly stirring the liquid medicaments;
step C.2: opening the first transmission unit 17, transmitting the configured medicament in the medicament primary preparation device 16 to the corresponding medicament storage tank 18, adding water into the medicament storage tank 18 according to a preset proportion, and uniformly mixing the medicaments through the backflow stirring channel 24;
step C.3: the water supply power transmission device 38, the fifth channel 10 and the second valve 22 are opened, and the water in the water supply tank 37 is input into the injection buffer 5 through the water supply power transmission device 38; after completion, the feedwater power transmission device 38, the fifth passage 10 and the second valve 22 are closed;
step C.4: the second transmission unit 19, the first valve 21 and the third valve 23 are opened, the medicament enters the medicament mixer 20, and the formed mixed medicament is output to the micro-nano bubble generating device 14 under the action of the medicament mixer 20;
starting the compressed air supply device 15 and/or the oxygen generation device 27 and/or the ozone generation device 28 based on the gas to be configured, and opening a corresponding valve between the compressed air supply device 15 and/or the oxygen generation device 27 and/or the ozone generation device 28 and the micro-nano bubble generation device 14;
step C.5: starting the micro-nano bubble generating device 14 to generate a medicament gas-liquid mixed solution, inputting the medicament gas-liquid mixed solution from the micro-nano bubble generating device 14 to the micro-nano bubble releaser 36 in the injection buffer 5, forming the medicament mixed micro-nano bubble liquid under the action of the micro-nano bubble releaser 36, and releasing the medicament mixed micro-nano bubble liquid into the water in the injection buffer 5 for temporary storage;
step C.6: when the amount of the medicament mixed micro-nano bubble liquid in the injection buffer 5 reaches a certain amount, the input of the injection buffer 5 is stopped, the high-pressure liquid injection device 39 is started, and the medicament mixed micro-nano bubble liquid is output from the injection buffer 5 to the injection distributor 9 and is output through the injection port 3.
In the invention, the injection method of the medicament mixed micro-nano bubble liquid is that the injection is obtained from a medicament configuration unit, an air supply unit or a water supply unit and is matched and injected, and the medicament configuration unit, the air supply unit and the water supply unit are reacted and matched; the medicament mixed micro-nano bubble liquid is used for completing basic pollutant oxidation/reduction/solubilization operation, and the oxygen content in underground water is improved and microbial degradation is promoted in the form of the micro-nano bubble liquid.
In the invention, the configuration mode of the medicament is consistent with the medicament injection method in the single-source injection method, and simultaneously, the water in the water supply tank 37 is temporarily stored to the injection buffer 5 through a normal water supply path; delivering the medicine to the medicine mixer 20, and delivering the mixed medicine to the micro-nano bubble generating device 14 through the opened first valve 21 and the third valve 23; starting a fourth valve 29 and/or a seventh valve 34 and/or an eighth valve 35 corresponding to the compressed air supply device 15 and/or the oxygen generation device 27 and/or the ozone generation device 28, closing the fifth valve 30, opening the sixth valve 33, and outputting the gas to the micro-nano bubble generation device 14; the formed gas-liquid mixed liquid enters the bubble liquid releaser 36 at the bottom of the injection buffer 5 from the micro-nano bubble generating device 14, and under the action of the bubble liquid releaser 36, the medicament mixed micro-nano bubble liquid is formed in the water temporarily stored in the injection buffer 5 and temporarily stored.
In the invention, when the medicament in the injection buffer 5 is mixed with the micro-nano bubble liquid to reach a certain amount, the mixture is sent to the injection distributor 9 through the high-pressure liquid injection device 39 and is injected to a specified position through the injection port 3 of the injection distributor 9; the valve of the injection port 3 is automatically adjusted by collecting data through a flow meter and a pressure gauge at the outlet of the injection distributor 9, and the injection amount and the pressure are controlled within a required range.
In the invention, in the injection process, the controller obtains the data of the pressure sensor and the flow sensor of each outlet of the injection distributor 9, and the injection flow is adjusted by controlling the electric valve to be stabilized at a design value; in the injection process, the well plugging condition can appear, for example injection pressure is unusual high etc. when the well plugging, then stop the injection work that the micro-nano bubble liquid was mixed to the medicament, start compressed air feeding mechanism 15 and ninth valve 31, carry out the through-hole operation, until the mediation.
According to the invention, the container body 1 is internally provided with the medicament configuration unit, the air supply unit and the water supply unit which are controllably connected through different channels, and the medicament configuration unit, the air supply unit and the water supply unit are controllably connected to the injection buffer 5 or the injection distributor 9 through different channels, so that the controller controls the opening and closing of each channel under different requirements, and the injection operation of single source of water/medicament/air, double sources of micro-nano bubble water and mixed micro-nano bubble liquid is completed.
The invention is mainly used for repairing polluted sites and underground water, can be used for the polluted sites of various geologies, has strong medicament mixing performance, can inject liquid, liquid and gas into the polluted area, perform various repairing operations such as aeration and the like, has the function of dredging an injection well, can quickly adjust the injection pressure, is suitable for the polluted sites of various geologies, has the functions of strong medicament mixing performance and the like, is convenient to move, has high efficiency in use, long service life, high safety in the construction process, good construction operation environment and better application prospect.

Claims (10)

1. A soil/groundwater integrated injection system, comprising: the system comprises a container body, wherein the container body comprises a feeding port and an injection port; a medicament configuration unit, an air supply unit and a water supply unit are arranged in the container body;
the medicament configuration unit is connected to the injection buffer through a first channel and is matched with the air supply unit through a second channel; the medicament configuration unit is matched with the feeding port;
the gas supply unit is connected to the injection buffer through a third channel, and the gas supply channel is connected to the injection distributor through a fourth channel;
the water supply unit is connected to the injection buffer through a fifth channel, and the water supply unit is connected to the gas supply unit through a sixth channel;
the liquid outlet channel of the injection buffer is connected to the injection distributor through a seventh channel, and the gas outlet channel of the injection buffer is connected to the injection distributor through an eighth channel; the injection distributor is matched with the injection port;
the medicament configuration unit, the gas supply unit, the water supply unit, the injection buffer and the injection distributor are connected with the controller;
the medicament configuration unit, the gas supply unit, the water supply unit, the injection buffer and the injection distributor are provided with a plurality of sensors connected with the controller in a matching way.
2. A soil/groundwater integrated injection system according to claim 1, wherein: the medicament configuration unit comprises at least 2 medicament initial configuration devices, and any one medicament initial configuration device is arranged corresponding to one feeding port; any primary medicament preparation device is connected to a corresponding medicament storage tank through a first transmission unit, any medicament storage tank is connected to a medicament mixer through a second transmission unit, and the medicament mixer is connected to an injection buffer and a gas supply unit through a first channel and a second channel respectively;
the first channel is provided with a first valve and a second valve, and the second channel is provided with a first valve and a third valve;
a backflow stirring channel is arranged between any one of the medicament storage tanks and the corresponding second transmission unit;
the medicament preliminary mixing device, the first transmission unit, the second transmission unit, the medicament mixer, the first valve, the second valve and the third valve are connected to the controller.
3. A soil/groundwater integrated injection system as claimed in claim 2, wherein: the both ends of backward flow stirring passageway communicate with the export of second transmission unit and the liquid mouth space that returns of medicament storage jar respectively, be equipped with the backward flow valve on the backward flow stirring passageway.
4. A soil/groundwater integrated injection system according to claim 1, wherein: the air supply unit comprises a compressed air supply device, an oxygen generation device and an ozone generation device;
the compressed air supply device is connected to the injection buffer through a third channel, and a fourth valve and a fifth valve are arranged on the third channel; the compressed air supply device is connected to the injection distributor through a fourth channel; a ninth valve is arranged on the fourth channel;
the third channel between the fourth valve and the fifth valve is connected to an air inlet of the micro-nano bubble generating device through a branch channel, and a sixth valve is arranged on the branch channel; the medicament configuration unit is matched with a liquid inlet of the micro-nano bubble generation device through a second channel; the micro-nano bubble generating device is matched with the injection buffer;
the oxygen generating device is communicated with a third channel between the fourth valve and the fifth valve through a seventh valve;
the ozone generating device is communicated with a branch channel between the third channel and the sixth valve through the eighth valve;
the compressed air supply device, the oxygen generation device, the ozone generation device, the micro-nano bubble generation device, the fourth valve, the fifth valve, the sixth valve, the seventh valve, the eighth valve and the ninth valve are connected to the controller.
5. A soil/groundwater integrated injection system according to claim 4, wherein: the micro-nano bubble generating device is connected to the micro-nano bubble releaser, the micro-nano bubble releaser is arranged at the bottom inside the injection buffer, and an outlet of the micro-nano bubble releaser is communicated with the inner space of the injection buffer.
6. A soil/groundwater integrated injection system as claimed in claim 2, wherein: the water supply unit comprises a water supply tank, and the water supply tank is connected to the water supply power transmission device; the fifth passage is in communication with the second valve space and the sixth passage is in communication with the third valve space; the water feeding tank and the water feeding power transmission device are connected to the controller.
7. A soil/groundwater integrated injection system according to claim 1, wherein: the seventh channel is provided with a high-pressure liquid injection device, and the eighth channel is provided with a high-pressure gas injection power device; the high-pressure liquid injection device and the high-pressure gas injection power device are respectively connected to a liquid inlet and a gas inlet of the injection distributor.
8. A single-source injection method using the soil/groundwater integrated injection system according to any one of claims 1 to 7, wherein: the single-source injection method comprises a medicament injection method, a gas injection method and a flushing injection method;
the medicament injection method comprises the following steps:
step A.1.1: one or more medicaments are put into one or more corresponding medicament primary preparation devices, and the medicaments are prepared into liquid medicaments and are uniformly stirred;
step A.1.2: opening the first transmission unit, transmitting the configured medicament in the medicament primary preparation device to the corresponding medicament storage tank, adding water into the medicament storage tank according to a preset proportion, and uniformly mixing the medicaments through a backflow stirring channel;
step A.1.3: delivering the medicaments in the one or more medicament storage tanks to a medicament mixer through a second transmission unit for mixing, opening a first valve and a second valve, and delivering the mixed liquid from the medicament mixer to an injection buffer;
step A.1.4: after the medicament reaches the preset amount or the injection buffer receives an instruction, the high-pressure liquid injection device is started, and the medicament is output to the injection distributor from the injection buffer and is output through the injection port;
the gas injection method includes the steps of:
step A.2.1: starting a compressed air supply device and/or an oxygen generation device and/or an ozone generation device, and opening a corresponding valve between the compressed air supply device and/or the oxygen generation device and/or the ozone generation device and an injection buffer;
step A.2.2: when injection is needed, starting the high-pressure gas injection power device, and conveying gas from the injection buffer to the injection distributor and outputting the gas through the injection port; completing gas injection;
the flushing injection method comprises the following steps:
step A.3.1: starting the water supply power transmission device, the fifth channel and the second valve, and inputting water in the water supply tank into the injection buffer from the water supply tank;
step A.3.2: when injection is needed, the high-pressure liquid injection device is started, and the medicament is output to the injection distributor from the injection buffer and is output through the injection port; the flush injection is completed.
9. A dual source injection method using the soil/groundwater integrated injection system as claimed in any one of claims 1 to 7, wherein: the double-source injection method is a micro-nano bubble liquid injection method and comprises the following steps:
step B.1.1: starting a compressed air supply device and/or an oxygen generation device and/or an ozone generation device, and starting a corresponding valve between the compressed air supply device and/or the oxygen generation device and/or the ozone generation device and the micro-nano bubble generation device;
step B.1.2: starting the water supply power transmission device, the fifth channel, the second valve, the sixth channel and the third valve, and inputting water in the water supply tank into the injection buffer and the micro-nano bubble generation device from the water supply tank;
step B.1.3: starting the micro-nano bubble generating device to generate a gas-liquid mixed solution, inputting the gas-liquid mixed solution into a micro-nano bubble releaser in the injection buffer from the micro-nano bubble generating device, and releasing the micro-nano bubble liquid into water in the injection buffer for temporary storage under the action of the micro-nano bubble releaser;
step B.1.4: and when the micro-nano bubble liquid reaches the preset amount or the injection buffer receives an instruction, the high-pressure liquid injection device is started, and the micro-nano bubble liquid is output to the injection distributor from the injection buffer and is output through the injection port.
10. A mixed micro-nano bubble liquid injection method adopting the soil/underground water integrated injection system of any one of claims 1 to 7, which is characterized in that: the method comprises the following steps:
step C.1: placing the medicament A and another preset medicament B into a corresponding medicament primary preparation device, preparing the medicaments into liquid medicaments, and uniformly stirring the liquid medicaments;
step C.2: opening the first transmission unit, transmitting the configured medicament in the medicament primary preparation device to the corresponding medicament storage tank, adding water into the medicament storage tank according to a preset proportion, and uniformly mixing the medicaments through a backflow stirring channel;
step C.3: opening the water supply power transmission device, the fifth channel and the second valve, and inputting the water in the water supply tank into the injection buffer through the water supply power transmission device; after the completion, closing the water supply power transmission device, the fifth channel and the second valve;
step C.4: opening the second transmission unit, the first valve and the third valve, enabling the medicament to enter the medicament mixer, and outputting the formed mixed medicament to the micro-nano bubble generating device under the action of the medicament mixer;
starting a compressed air supply device and/or an oxygen generation device and/or an ozone generation device based on the gas to be configured, and starting a corresponding valve between the compressed air supply device and/or the oxygen generation device and/or the ozone generation device and the micro-nano bubble generation device;
step C.5: starting the micro-nano bubble generating device to generate a medicament gas-liquid mixed solution, inputting the medicament gas-liquid mixed solution from the micro-nano bubble generating device into a micro-nano bubble releaser in the injection buffer, forming a medicament mixed micro-nano bubble liquid under the action of the micro-nano bubble releaser, and releasing the medicament mixed micro-nano bubble liquid into water in the injection buffer for temporary storage;
step C.6: when the micro-nano bubble liquid mixed with the medicament in the injection buffer reaches a certain amount, the input of the injection buffer is stopped, the high-pressure liquid injection device is started, and the medicament mixed micro-nano bubble liquid is output from the injection buffer to the injection distributor and is output through the injection port.
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