CN111266396B - Continuous preparation and injection integrated equipment for in-situ remediation chemical agent - Google Patents
Continuous preparation and injection integrated equipment for in-situ remediation chemical agent Download PDFInfo
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- CN111266396B CN111266396B CN202010183832.7A CN202010183832A CN111266396B CN 111266396 B CN111266396 B CN 111266396B CN 202010183832 A CN202010183832 A CN 202010183832A CN 111266396 B CN111266396 B CN 111266396B
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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
- B09C1/002—Reclamation of contaminated soil involving in-situ ground water treatment
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C2101/00—In situ
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Abstract
The invention discloses an in-situ remediation chemical agent continuous preparation and injection integrated device, which comprises an agent preparation device, an injection device and a control device, wherein the agent preparation device comprises a preparation tank, a preparation tank and a preparation tank; the preparation device comprises a medicine storage tank, a water storage tank and a plurality of medicine making tanks, a stock solution main pipe for connecting the medicine storage tank and stock solution branch pipes for connecting the stock solution main pipe and each medicine making tank are arranged between the medicine storage tank and the medicine making tanks, and a water delivery main pipe for connecting the water storage tank and water delivery branch pipes for connecting the water delivery main pipe and each medicine making tank are arranged between the water storage tank and the medicine making tanks; the output pipe of each medicine making tank is provided with an electric valve, the injection device also comprises an air storage tank, an air compressor, a pneumatic diaphragm pump and a suction air pipe, and the suction air pipe is provided with an electromagnetic valve; the liquid level sensor inputs liquid level data to the control device, and the raw liquid pump, the water pump, the pneumatic diaphragm pump, each electric valve and each electromagnetic valve are connected with the control device and are opened and closed under the control of the control device. The invention solves the technical problem that the existing in-situ remediation medicament cannot be injected continuously, and has low efficiency.
Description
Technical Field
The invention relates to the technical field of pollution remediation, in particular to continuous preparation and injection integrated equipment for in-situ remediation chemical agents, which is used for treating organic pollution of soil and underground water.
Background
With the continuous development of the social industrialization process, leachate such as industrial wastewater, industrial waste residues, agricultural irrigation, landfill leakage, petrochemical raw material transportation pipelines, storage tank damage and the like permeates heavy metals, toxic and organic pollutants into underground water through a soil layer, so that the pollution of the underground water and soil is caused. The method has the advantages that serious threats and challenges are formed for the living health, food safety, drinking water safety, regional ecological environment and sustainable development of the economy and the society, and the remediation of the pollution of underground water and soil becomes an environmental problem which is currently paid much attention by the public and the society.
Aiming at the remediation of pollutants such as petroleum hydrocarbon, phenols, MTBE, chlorinated organic solvent, polycyclic aromatic hydrocarbon, pesticides and heavy metals in organic polluted soil and underground water, the in-situ remediation agent injection technology injects chemical agents such as oxidizing agents into an aquifer/soil of an injection well, the pollutants in the soil/underground water are oxidized by utilizing the oxidizing capability of the oxidizing agents or generated free radicals and generate oxidation reaction with the pollutants, and the pollutants are degraded into intermediate products or final products (such as carbon dioxide and water) with lower toxicity or no toxicity, so that the health risk of the pollutants is eliminated, and the remediation is realized. The injection cost of the underground water and soil pollution in-situ remediation agent is more economic, the disturbance to the environment is small, and the method is a great trend of the development of the current and future site treatment technology.
The traditional underground water and soil pollution in-situ remediation medicament preparation and injection equipment engineering application in the current industry is mainly reflected in that medicament injection cannot be continuous. In addition, the hydrogeology difference of the polluted site is large, and the repairing effect is difficult to meet the established requirement after the medicament is injected into the polluted site under the conventional pressure. Meanwhile, the problems of multiple medicament types, medicament preparation and injection separation, single medicament injection mode, single medicament preparation device, serious corrosion of the medicament to the pipeline, short service life of the pipeline, low medicament preparation and injection separation and low intelligent operation degree, high labor intensity and the like exist.
Disclosure of Invention
Aiming at the problems of preparation and injection of the medicament, the invention provides a brand-new in-situ remediation chemical continuous preparation and injection integrated device.
The invention provides an in-situ remediation chemical agent continuous preparation and injection integrated device, which comprises an agent preparation device, an injection device and a control device, wherein the agent preparation device comprises a preparation tank, a preparation tank and a preparation tank;
the medicament preparation device comprises a medicament storage tank, a water storage tank and a plurality of medicament preparation tanks, wherein a stock solution main pipe for connecting the medicament storage tank and stock solution branch pipes for connecting the stock solution main pipe and each medicament preparation tank are arranged between the medicament storage tank and each medicament preparation tank;
the injection device comprises an injection main pipe connected with an output pipe of each pharmaceutical tank, each output pipe is provided with an electric valve, the injection device further comprises a gas storage tank, an air compressor for inputting gas into the gas storage tank, a pneumatic diaphragm pump and an intake pipe for connecting the gas storage tank with the pneumatic diaphragm pump, the intake pipe is provided with an electromagnetic valve, and the pneumatic diaphragm pump is positioned on the injection main pipe and provides power for conveying prepared liquid medicine to an injection well;
the liquid level sensor is connected with the control device to input liquid level data to the control device, and the raw liquid pump, the water pump, the pneumatic diaphragm pump, each electric valve, each electromagnetic valve and each temperature sensor are connected with the control device to be opened and closed according to a set sequence under the control of the control device.
Preferably, the injection main pipe is provided with a flow sensor, an electric valve and a pressure transmitter which are connected with the control device.
Preferably, the suction pipe is provided with a pressure regulating valve connected to a control device.
Preferably, the injection device further comprises a plurality of injection branch pipes which are respectively connected with the injection main pipe and inject the liquid medicine into different injection wells, the injection device further comprises a plurality of pressurization air pipes which are respectively connected with the plurality of injection branch pipes in a one-to-one correspondence manner and respectively pressurize the injection branch pipes, and the pressurization air pipes are provided with electromagnetic valves, pressure regulating valves and pressure transmitters which are connected with the control device. The booster pipe is a booster air pipe connected with the air storage tank, or the booster pipe is a booster water pipe connected with the water delivery main pipe, and the position where the booster water pipe is connected with the water delivery main pipe is located at the downstream of the water pump.
Preferably, the injection branch pipe is provided with an electric valve, a flow sensor, a temperature sensor and a pressure transmitter which are connected with the control device.
Preferably, the injection branch pipe is provided with a check valve for preventing backflow of the medical fluid introduced into the injection well.
Preferably, the medicine storage tank comprises an initial liquid oxidation medicine storage tank and an initial liquid activation medicine storage tank, and the plurality of medicine tanks comprise a plurality of oxidation medicine preparation tanks respectively connected with the initial liquid oxidation medicine storage tank and a plurality of activation medicine preparation tanks respectively connected with the initial liquid activation medicine storage tank; the injection main pipe comprises an oxidation medicament injection main pipe and an activation medicament injection main pipe, the oxidation medicament preparation tanks are respectively connected with the oxidation medicament injection main pipe through respective output pipes, the activation medicament preparation tanks are connected with the activation medicament injection main pipe through respective output pipes, and each output pipe is provided with an electric valve connected with the control device; the pneumatic diaphragm pump comprises a first pneumatic diaphragm pump arranged on the oxidation medicament injection main pipe and a second pneumatic diaphragm pump arranged on the activation medicament injection main pipe, the first pneumatic diaphragm pump is connected with the gas storage tank through a first suction gas pipe, and the second pneumatic diaphragm pump is connected with the gas storage tank through a second suction gas pipe.
Preferably, the drug preparation tank and the injection manifold are connected through a drug return pipe, and the connection position of the drug return pipe and the injection manifold is located downstream of the electric valves of the pneumatic diaphragm pump and the injection manifold in the injection direction; and/or the medicine storage tank is connected with the stock solution main pipe through a stock solution return pipe; and/or the water storage tank is connected with the water delivery main pipe through a water return pipe; the medicament return pipe and/or the stock solution return pipe and/or the water return pipe are/is provided with an electric valve and a flow sensor which are connected with the control device.
Preferably, the active agent injection manifold may be connected to the oxidizing agent pharmaceutical tank through a mixing pipe, or the oxidizing agent injection manifold may be connected to the active agent pharmaceutical tank through a mixing pipe, and the mixing pipe may be provided with an electric valve and a flow sensor connected to the control device.
Preferably, a cleaning pipe is connected between the water delivery main pipe and the injection main pipe.
Preferably, the water storage tank is provided with a heater, the water storage tank, the medicine storage tank and the pharmaceutical tank are provided with temperature sensors, and the heater and the temperature sensors are connected with the control device.
Preferably, the pharmaceutical tank is provided with a feeding device for feeding the powder or granular medicine into the pharmaceutical tank and a stirring device for stirring the liquid in the pharmaceutical tank, and both the feeding device and the stirring device are connected to the control device.
Preferably, the water delivery branch pipe and the output pipe of the medicine preparation tank are both provided with a filtering device.
Preferably, the medicament preparation device, the injection device and the control device are integrated into a movable container, and a traveling device is arranged on a box body of the movable container.
Compared with the prior art, the in-situ remediation medicament continuous preparation and injection integrated equipment has the following beneficial effects:
1. the in-situ remediation medicament continuous preparation and injection integrated equipment can control the electric valves on the stock solution branch pipes and the water delivery branch pipes to be opened and closed according to a set sequence through the control device, so that a plurality of pharmaceutical tanks are controlled to prepare medicines in turn, and continuous pharmacy is realized. The motorised valve of steerable each output tube is opened in turn simultaneously to control a plurality of pharmacy jar wheel flows to inject the well and supply the medicine, realize that the medicament injects into the well in succession, and inject into in succession and do not need artifical intervention, realize high degree's intellectuality.
2. The reflux port of the medicine storage tank is connected with the stock solution main pipe through a stock solution reflux pipe, and the reflux port of the water storage tank is connected with the water delivery main pipe through a water reflux pipe. The medicament return pipe, the stock solution return pipe and the water return pipe are all provided with an electric valve and a flow sensor which are connected with the control device. When the transfusion from the medicine storage tank to the pharmaceutical tank is finished, the electric valve on the stock solution return pipe is opened, so that the original liquid medicament in the stock solution main pipe flows back to the medicine storage tank. When the water delivery from the water storage tank to the pharmaceutical tank is finished, the electric valve on the water return pipe is opened to enable the water in the water delivery main pipe to return to the water storage tank. The arrangement of the stock solution return pipe and the water return pipe can more accurately control the flow of the medicament and the water on one hand, thereby more accurately controlling the preparation of the medicament. On the other hand, the arrangement of the stock solution return pipe and the medicament return pipe can prevent the liquid medicament from remaining in the pipeline to corrode the pipeline, thereby prolonging the service life of the pipeline.
3. The suction air pipe is provided with a pressure regulating valve connected with the control device, and when the conventional pressure is injected, the control device controls the pressure regulating valve of the suction air pipe to regulate the injection pressure within the working pressure range of the pneumatic diaphragm pump according to the working condition.
4. The injection device also comprises a plurality of injection branch pipes which are respectively connected with the injection main pipe and used for injecting liquid medicine into different injection wells, and a plurality of pressure increasing pipes which are respectively connected with the plurality of injection branch pipes in a one-to-one correspondence manner and used for respectively increasing the pressure of the injection branch pipes, wherein the pressure increasing pipes are provided with electromagnetic valves, pressure adjusting valves and pressure transmitters which are connected with the control device. The pressure increasing pipe is a pressure increasing air pipe connected with the air storage tank, or the pressure increasing pipe is a pressure increasing water pipe connected with the water delivery main pipe. The pressure of different injection branch pipes can be independently adjusted through the arrangement, so that pressurization can be carried out according to the actual required pressure of different injection wells.
5. The activating agent injection main pipe is connected with the oxidizing agent pharmaceutical tank through the mixing pipe, or the oxidizing agent injection main pipe is connected with the activating agent pharmaceutical tank through the mixing pipe, so that the mixing preparation and the mixed agent injection of various agents can be realized.
6. The pharmaceutical tank is provided with the stirring device connected with the control device and the feeding device for feeding the powder or granular medicament into the pharmaceutical tank, so that the in-situ remediation medicament continuous preparation and injection integrated equipment can be used for not only preparing the liquid medicament, but also mixing and preparing the liquid and the powder or granular medicament.
Drawings
Fig. 1 is a schematic structural diagram of an in-situ remediation chemical continuous preparation and injection integrated tool according to an embodiment of the present invention.
Reference numerals
11 an initial liquid oxidation agent storage tank, 12, 13 a raw liquid pump, 14 an initial liquid activation agent storage tank, 21 a water storage tank, 22 a heater, 23 a first water pump, 24 a second water pump, 311 a first oxidation agent pharmaceutical tank, 312 a second oxidation agent pharmaceutical tank, 321 a first activation agent pharmaceutical tank, 322 a second activation agent pharmaceutical tank, 33 a stirring device, 34 a feeding device, 4 a control device, 51 an air compressor, 52 an air storage tank, 53 a first pneumatic diaphragm pump and 54 a second pneumatic diaphragm pump;
a water inlet pipe, b medicine inlet pipes, c a first water delivery manifold, d a second water delivery manifold, e a stock solution manifold, f a first stock solution branch pipe, g a second stock solution branch pipe, h an oxidation agent injection manifold, i an activation agent injection manifold, j an output pipe, k an injection branch pipe, l an inhalation gas pipe, m a booster pipe, n a stock solution return pipe, o a water return pipe, p an agent return pipe, q a mixing pipe and r a cleaning pipe;
Detailed Description
The invention relates to an in-situ remediation chemical continuous preparation and injection integrated device, which is used for preparing a remediation chemical and inputting the chemical into an injection well to treat pollutants in soil/underground water. The in-situ remediation agent continuous preparation and injection integrated equipment comprises a preparation device for preparing a liquid medicine, an injection device for delivering the liquid medicine into an injection well, and a control device 4 for controlling the preparation device and the injection device. The preparation device comprises a medicine storage tank, a water storage tank 21 and a plurality of medicine preparation tanks.
Be equipped with between medicine storage tank and the pharmacy jar and be connected medicine storage tank's stoste house steward and connection the stoste branch pipe of stoste house steward and each pharmacy jar, every the stoste branch pipe is equipped with the motorised valve, be equipped with between water storage tank 21 and the pharmacy jar and be connected water storage tank 21's water delivery house steward and connection the water delivery branch pipe of water delivery house steward and each pharmacy jar, water delivery house steward is equipped with the water pump, every water delivery branch pipe is equipped with the motorised valve, every the pharmacy jar is equipped with level sensor.
Injection device includes the injection house steward of being connected with the output tube j of each pharmacy jar, and each output tube j all is equipped with ball valve, pipe-line filter and motorised valve, injection device still include the gas holder 52, to the air compressor machine 51, the pneumatic diaphragm pump of gas holder 52 input gas and connection the gas holder 52 with the suction trachea l of pneumatic diaphragm pump, suction trachea l is equipped with the motorised valve, pneumatic diaphragm pump is located provide the power of the liquid medicine that will prepare to injection well transport on the injection house steward, and air compressor machine 51 wherein is screw compressor 51, and pneumatic diaphragm pump is pneumatic diaphragm pump.
The liquid level sensor is connected with the control device 4 to input liquid level data to the control device 4, and the raw liquid pumps 12 and 13, the water pump, the pneumatic diaphragm pump and the electric valves are connected with the control device 4 to be opened and closed under the control of the control device 4 according to the liquid level data.
Through the in-situ remediation medicament continuous preparation and injection integrated equipment, the control device 4 can control the opening and closing of the electric valves on each stock solution branch pipe and each water delivery branch pipe, so that a plurality of pharmaceutical tanks are controlled to prepare medicines in turn, and continuous pharmacy is realized. The motorised valve of steerable each output tube j simultaneously opens in turn to control a plurality of pharmacy jar wheel flows to inject the well and supply the medicine into, realize that the medicament injects into the well in succession, and inject into in succession and do not need artifical intervention, realize high degree's intellectuality.
As shown in fig. 1, the medicine storage tank includes 1 initial liquid oxidation agent storage tank 11 and 1 initial liquid activation agent storage tank 14, and the plurality of medicine storage tanks include two oxidation agent medicine preparation tanks respectively connected to the initial liquid oxidation agent storage tank 11 and two activation agent medicine preparation tanks respectively connected to the initial liquid activation agent storage tank 14.
The water inlet pipe a of the water storage tank 21 is communicated with a tap water pipe at a water source, the water storage tank 21 is provided with a liquid level sensor for detecting the liquid level in the water storage tank 21, the water inlet pipe a is provided with a ball valve, an electric valve and a flow sensor, the liquid level sensor of the water storage tank 21 and the flow sensor on the water inlet pipe a transmit data to the control device 4, and the control device 4 controls the opening and closing of the electric valve of the water inlet pipe a according to the data. Water storage tank 21 is equipped with heater 22, water storage tank 21, medicine storage tank and pharmacy jar are equipped with temperature sensor, heater 22 and temperature sensor all with controlling means 4 is connected, and controlling means 4 opens or closes according to the data control heater 22 that water storage tank 21 and the temperature sensor of pharmacy jar transmitted.
The water storage tank 21 is provided with a first water delivery header pipe c for delivering water to the oxidation medicament pharmacy tank and a second water delivery header pipe d for delivering water to the activation medicament pharmacy tank, the first water delivery header pipe c is provided with a first water pump 23, the second water delivery header pipe d is provided with a second water pump 24, the first water delivery header pipe c and the second water delivery header pipe d are respectively provided with a ball valve and a pipe filter which are positioned at the upper part of the water pump and a check valve which are positioned at the lower part of the water pump, an electric valve and a flow sensor, the flow sensor and the check valve, and the electric valve are respectively connected with the control device 4. The first water delivery main pipe c is connected with each oxidation medicament preparation tank through a water delivery branch pipe, the second water delivery main pipe d is connected with each activation medicament preparation tank through a water delivery branch pipe, and each water delivery branch pipe is also provided with an electric valve.
The output pipe j of water delivery branch pipe and pharmacy jar all is equipped with filter equipment, residue, granule in can the effective filtration pipeline, prevent to pour into branch pipe k and block up to realize the better dispersion effect of medicament.
The initial liquid oxidation medicament storage tank 11 receives the liquid oxidation medicament through the medicine inlet pipe b, the initial liquid oxidation medicament storage tank 11 is provided with a stock solution main pipe e for outputting stock solution and a first stock solution branch pipe f and a second stock solution branch pipe g which are respectively connected with the stock solution main pipe e and the 2 oxidation medicament preparation tanks, in the direction of conveying the stock solution, the stock solution main pipe e is sequentially provided with a ball valve, a pipeline filter, a stock solution pump 12, a check valve, a butterfly valve and a flow sensor, wherein the butterfly valve is an electric valve, the first stock solution branch pipe f and the second stock solution branch pipe g are sequentially provided with a ball valve and an electric valve in the direction of conveying the stock solution, and the flow sensor and each electric valve are connected with the control device 4.
The oxidation medicament pharmacy tank is equipped with level sensor, and the flow sensor of stock solution house steward and first water delivery house steward and the level sensor of oxidation medicament pharmacy tank give controlling means 4 with data transmission, and controlling means 4 is according to the opening and closing of the data control stock solution pump 12 that transmit, first water pump 23 and motorised valve to the transport of control initial liquid oxidation medicament and water.
The initial liquid activation medicament storage tank 14 receives liquid activation medicament through the medicine inlet pipe b, the initial liquid activation medicament storage tank 14 is provided with a stock solution main pipe e for outputting stock solution and a first stock solution branch pipe f and a second stock solution branch pipe g for respectively connecting the stock solution main pipe and 2 activation medicament preparation tanks, in the direction of conveying the stock solution, the stock solution main pipe e is sequentially provided with a ball valve, a stock solution pump 13, a check valve, a butterfly valve and a flow sensor, wherein the butterfly valve is an electric valve, and the first stock solution branch pipe f and the second stock solution branch pipe g are sequentially provided with a ball valve and an electric valve in the direction of conveying the stock solution.
The activation medicament pharmacy tank is equipped with level sensor, and the flow sensor of the stoste house steward and the second water main of activation medicament pharmacy tank and the level sensor of activation medicament pharmacy tank give controlling means 4 with data transmission, and controlling means 4 is according to the data control stoste pump 13 that transmit, second water pump 24 and stoste house steward, the opening and closing of the motorised valve of first stoste branch pipe and second stoste branch pipe to the transport of the initial liquid activation medicament of control.
The oxidizing agent preparation tank and the activating agent preparation tank are each provided with a stirring device 33 and a charging device 34 for charging the powder or granular agent into the preparation tank, and in this embodiment, the stirring device 33 is an electric stirrer. When the powder or granular medicine is required to be added or stirred, the adding device 34 can be opened to add the powder or granular medicine into the pharmaceutical tank from the opening on the pharmaceutical tank, and then the stirring device 33 is opened to stir so as to uniformly dissolve the powder or granular medicine into the liquid.
The in-situ remediation medicament continuous preparation and injection integrated equipment is not only suitable for preparing oxidation medicaments or activation medicament liquid medicaments, but also suitable for preparing powdery or granular medicaments in an initial state. The switches of the feeding device 34 and the stirring device 33 are connected to the control device 4 and can be switched on and off by the control device 4. If the raw material of the medicament is powder/granular raw material, the raw material can be added from the top of the oxidation medicament preparation tank and the activation medicament preparation tank after being measured and is prepared by fully stirring and dissolving. The preparation of the medicament can realize different combined preparation modes of liquid, powder/granular raw materials as raw materials of the oxidation medicament and the activating agent, and can also carry out independent preparation or mixed medicament stirring preparation of different repairing medicaments such as the oxidation medicament, the activating medicament, other medicaments and the like, namely, the continuous medicament preparation device can meet the preparation requirements of various medicaments and different raw materials, and the medicament preparation function is strong.
The injection main pipe comprises an oxidation medicament injection main pipe h and an activation medicament injection main pipe i, and the oxidation medicament injection main pipe h and the activation medicament injection main pipe i are respectively provided with a flow sensor, an electric valve and a ball valve which are connected with the control device 4.
The two oxidation medicament preparation tanks are respectively connected with the oxidation medicament injection main pipe h through respective output pipes j, the two activation medicament preparation tanks are respectively connected with the activation medicament injection main pipe i through respective output pipes j, and each output pipe j is provided with a ball valve, a pipeline filter and an electric valve.
The pneumatic diaphragm pump comprises a first pneumatic diaphragm pump 53 arranged on the oxidation medicament injection main pipe h and a second pneumatic diaphragm pump 54 arranged on the activation medicament injection main pipe i, the first pneumatic diaphragm pump 53 is connected with the air storage tank 52 through a first suction air pipe l, the second pneumatic diaphragm pump 54 is connected with the air storage tank 52 through a second suction air pipe l, and the first suction air pipe l and the second suction air pipe l are both provided with electromagnetic valves connected with the control device 4.
The two oxidic pharmaceutical canisters are in different operating states, and when the second oxidic pharmaceutical canister 312 is dispensing, the first oxidic pharmaceutical canister 311 is dispensing. In the operating state, the control device 4 controls the electric valve to be opened when the first raw liquid branch pipe is filled with the chemical, the electric valve to be closed when the second raw liquid branch pipe is filled with the chemical, and the initial liquid oxidizing agent in the initial liquid oxidizing agent storage tank 11 is supplied to the first oxidizing agent production tank 311 and arranged. Meanwhile, an electric valve of the water delivery main pipe and an electric valve of a water delivery branch pipe connected with the upper oxidation medicament preparation tank are opened to supply water to the upper oxidation medicament preparation tank. At this time, the electric valve of the delivery pipe j and the electric valve of the injection manifold of the second tank 312 for preparing an oxidizing agent open the injection manifold to deliver the prepared agent and inject the selected injection branch k and injection well. When the data transmitted from the liquid level sensor in the second oxidant pharmaceutical tank 312 shows that the liquid level reaches the set low level, the data transmitted from the liquid level sensor in the first oxidant pharmaceutical tank 311 shows that the liquid level reaches the set high level, at this time, the control device 4 controls the electric valve of the first stock solution branch pipe and the electric valve of the water delivery branch pipe connected with the first oxidant pharmaceutical tank 311 to be closed, and simultaneously the electric valve of the second stock solution branch pipe and the electric valve of the water delivery branch pipe connected with the second oxidant pharmaceutical tank 312 to be opened. Such circulation achieves a continuous supply of the oxidizing agent. In the process, the electric valves of the water delivery main pipe, the stock solution main pipe and the injection main pipe are selected to be kept in an opening state or not according to the condition of preparing the medicament.
The control principle of the first and second activated- medicament canisters 321, 322 is the same as that of the two oxidized-medicament canisters.
As shown in fig. 1, the suction air pipe l is provided with a pressure regulating valve connected with the control device 4, and during normal pressure injection, the control device 4 controls the pressure regulating valve of the suction air pipe l to adjust the injection pressure within the working pressure range of the pneumatic diaphragm pump according to the working conditions.
As shown in fig. 1, the injection device further includes a plurality of injection branch pipes k respectively connected to the injection main pipe, each injection branch pipe k is provided with a ball valve, an electromagnetic valve, a temperature sensor and a flow sensor, the plurality of injection branch pipes k inject liquid medicine into different injection wells, the injection device further includes a plurality of pressure increasing pipes m, each pressure increasing pipe m is connected to one or more injection branch pipes k to increase the pressure of the injection branch pipe k, and the pressure increasing pipe m is provided with an electromagnetic valve and/or a pressure regulating valve and/or a pressure transmitter connected to the control device 4. The oxidant and the activator can be injected at the same pressure, and the pressurized injection with different injection pressure requirements in each agent injection branch pipe k (injection well) can be realized by controlling the pressure regulating valve, so that the efficiency and the effect of agent injection repair are improved.
The booster pipe m is a booster air pipe connected with the air storage tank 52, or the booster pipe m is a booster water pipe connected with the water delivery main pipe, and the position where the booster water pipe is connected with the water delivery main pipe is located at the downstream of the water pump. In the present embodiment, the position where the booster duct m is connected to the injection branch duct k is located in the middle of the injection main duct k. The pressurizing pipe m fills water or air with certain pressure into the injection branch pipe k to drive the liquid medicine to be injected into the injection well at higher pressure and higher speed.
The injection branch pipe k is also provided with a check valve for preventing the backflow of the liquid medicine entering the injection well. The medicament slowly diffuses all around after being injected into the well, a certain contact reaction time with the pollutants is needed, and the check valve can prevent the medicament or the pollutants from reversely flowing back to damage the pipeline control instrument at the early stage.
The pharmaceutical tank is further provided with a reflux port, the in-situ remediation medicament continuous preparation and injection integrated equipment further comprises a medicament reflux pipe p connected with the reflux port and the injection main pipe, in the injection direction, the connection position of the medicament reflux pipe p and the injection main pipe is located at the downstream of an electric valve for injecting the pneumatic diaphragm pump and the injection main pipe, and the medicament reflux pipe p is provided with an electric valve and a flow sensor. As shown in fig. 1, an oxidizing agent reflux pipe p is provided between the oxidizing agent injection manifold h and the oxidizing agent preparation tank, an activating agent reflux pipe p is provided between the activating agent injection manifold i and the activating agent preparation tank, the oxidizing agent reflux pipe p and the activating agent reflux pipe p are provided with a ball valve, an electric valve and a flow sensor, and the electric valve and the flow sensor are connected to the control device 4.
When the injection operation of all injection branch pipes k is completed or is completed in stages, the electric valves on the return pipes are opened through the control device 4, so that the residual medicaments in the medicament output pipe j can be completely and safely returned to the corresponding oxidation medicament preparation tank or the activated medicament stirring medicament preparation tank, and the medicament waste is reduced. Meanwhile, the accidents of medicament leakage and injury caused by pipeline damage or pipeline dismantling and the like when residual medicament in the pipeline is idle can be effectively avoided, and the safety in the application of medicament pressure pipeline engineering is improved.
As shown in fig. 1, the medicine storage tank is provided with a return port, and the return port of the medicine storage tank is connected with the stock solution main pipe through a stock solution return pipe n. The water storage tank 21 is provided with a return port, and the return port of the water storage tank 21 is connected with the water delivery main pipe through a water return pipe o. The medicament return pipe p, the stock solution return pipe n and the water return pipe o are all provided with an electric valve and a flow sensor which are connected with the control device 4. When the transfusion from the medicine storage tank to the pharmaceutical tank is finished, the electric valve on the stock solution return pipe n is opened, so that the original liquid medicament in the stock solution main pipe returns to the medicine storage tank. When the water transfer from the water storage tank 21 to the pharmaceutical tank is finished, the electric valve on the water return pipe o is opened to return the water in the water transfer main to the water storage tank 21. The arrangement of the stock solution return pipe n and the water return pipe o can more accurately control the flow rates of the chemicals and water on the one hand, and thus the preparation of the chemicals. On the other hand, the arrangement of the stock solution return pipe n and the medicament return pipe p can prevent the liquid medicament from remaining in the pipeline to corrode the pipeline, thereby prolonging the service life of the pipeline.
And after injection and backflow are finished, the control device 4 opens the electric valves of the water delivery main pipe, closes the electric valves of the water delivery branch pipes, opens the electric valves on the injection main pipe and the injection branch pipe k, and cleans the injection main pipe and the injection branch pipe k. The electric valves of the water delivery branch pipes can be opened to inject water into the medicine preparation tank for cleaning in a wider range.
In the invention, the mixed liquid medicament is prepared and injected, namely, the activating medicament preparation tank is connected with the oxidizing medicament preparation tank through a mixing pipe q, the prepared activating medicament is sent into the oxidizing medicament preparation tank and is fully mixed, stirred and dissolved with the oxidizing medicament to form a mixed medicament, or the oxidizing medicament preparation tank sends the prepared oxidizing medicament to the activating medicament preparation tank through the mixing pipe q, and the prepared activating medicament is fully mixed, stirred and dissolved to form the mixed medicament. In this embodiment, the activator drug preparation tanks 321 and 322 supply the prepared activator drug to the mixing pipe q connected to the oxidizer drug preparation tank 311 or 312 through the activator output manifold i, and the prepared activator drug is supplied to the oxidizer drug preparation tank 311 or 312 to be mixed and prepared, and then the mixed drug prepared by mixing the activator drug and the oxidizer drug is injected through the oxidizer drug injection manifold h and into each oxidizer drug injection branch k. In the present embodiment, the oxidizing agent injection manifold and the branch line perform the function of injecting the mixed agent.
The medicament injection also comprises pure air injection, namely each pump and each pharmaceutical tank do not work, only compressed air is prepared and stored through an air compressor and an air storage tank, the compressed air is sent into a pressurization air pipe, and air is injected into each injection well at set pressure under the regulation of a pressure regulating valve.
The medicament preparation means, the injection means and the control means 4 are integrated in a movable container. The device is convenient for the vehicle-mounted movement to enter the field for medicament preparation and injection, is flexible to use, greatly shortens the transportation and construction time of equipment, and can reduce the floor area of the equipment and facilitate the development of operation.
The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the scope of the present invention is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the invention.
Claims (15)
1. An in-situ remediation chemical agent continuous preparation and injection integrated device is characterized by comprising an agent preparation device, an injection device and a control device;
the medicament preparation device comprises a medicament storage tank, a water storage tank and a plurality of medicament preparation tanks, wherein a stock solution main pipe for connecting the medicament storage tank and stock solution branch pipes for connecting the stock solution main pipe and each medicament preparation tank are arranged between the medicament storage tank and each medicament preparation tank;
the injection device comprises an injection main pipe connected with an output pipe of each pharmaceutical tank, each output pipe is provided with an electric valve, the injection device further comprises a gas storage tank, an air compressor for inputting gas into the gas storage tank, a pneumatic diaphragm pump and an intake pipe for connecting the gas storage tank with the pneumatic diaphragm pump, the intake pipe is provided with an electromagnetic valve, and the pneumatic diaphragm pump is positioned on the injection main pipe and provides power for conveying prepared liquid medicine to an injection well;
the liquid level sensor is connected with the control device to input liquid level data to the control device, and the raw liquid pump, the water pump, the pneumatic diaphragm pump, each electric valve, each electromagnetic valve and each temperature sensor are connected with the control device and are sequentially opened and closed under the control of the control device;
the medicine preparation tank is connected with the injection main pipe through a medicine return pipe, and the connection position of the medicine return pipe and the injection main pipe is positioned at the downstream of the electric valves of the pneumatic diaphragm pump and the injection main pipe in the injection direction; and/or the medicine storage tank is connected with the stock solution main pipe through a stock solution return pipe; and/or the water storage tank is connected with the water delivery main pipe through a water return pipe; the medicament return pipe and/or the stock solution return pipe and/or the water return pipe are/is provided with an electric valve and a flow sensor which are connected with the control device, when the injection operation is completed or is completed in stages, the electric valve of the medicament return pipe and/or the stock solution return pipe and/or the water return pipe is opened through the control device, and residual medicament in the medicament output pipe can be returned to the pharmaceutical tank and/or residual stock solution in the stock solution main pipe is returned to the medicament storage tank and/or residual water in the water delivery main pipe is returned to the water storage tank;
and a cleaning pipe is connected between the water delivery main pipe and the injection main pipe.
2. The integrated in-situ remediation chemical continuous preparation and injection apparatus of claim 1, wherein the injection manifold is provided with a flow sensor, an electrically operated valve and a pressure transducer connected to the control means.
3. The in-situ remediation chemical continuous preparation and injection integrated apparatus of claim 1, wherein the inhalation air tube is provided with a pressure regulating valve connected to a control device.
4. The in-situ remediation chemical agent continuous preparation and injection integrated device according to claim 1, wherein the injection device further comprises a plurality of injection branch pipes connected with the injection header pipe respectively for injecting the chemical solution into different injection wells, the injection device further comprises a plurality of pressure increasing pipes connected with the plurality of injection branch pipes in a one-to-one correspondence for respectively increasing the pressure of the injection branch pipes, and the pressure increasing pipes are provided with electromagnetic valves, pressure regulating valves and pressure transmitters connected with the control device.
5. The in situ remediation chemical continuous formulation and injection integrated apparatus of claim 4, wherein the plurality of pressurization conduits are pressurization gas conduits connected to the gas reservoir.
6. The in-situ remediation chemical continuous preparation and injection integrated apparatus of claim 4, wherein the pressurization conduit is a pressurization water conduit connected to the water main, the pressurization water conduit being connected to the water main at a location downstream of the water pump.
7. The in-situ remediation chemical continuous preparation and injection integrated apparatus of claim 4, wherein the injection branch pipe is provided with an electric valve, a flow sensor, a temperature sensor and a pressure transmitter which are connected with the control device.
8. The in-situ remediation chemical continuous preparation and injection integrated apparatus of claim 4, wherein the injection manifold is provided with a check valve to prevent backflow of the liquid chemical into the injection well.
9. The in-situ remediation chemical continuous formulation and injection integrated apparatus of claim 1, wherein the drug storage tanks comprise an initial liquid oxidation agent storage tank and an initial liquid activation agent storage tank, and the plurality of drug storage tanks comprise a plurality of oxidation agent drug storage tanks respectively connected to the initial liquid oxidation agent storage tank and a plurality of activation agent drug storage tanks respectively connected to the initial liquid activation agent storage tank; the injection main pipe comprises an oxidation medicament injection main pipe and an activation medicament injection main pipe, the oxidation medicament preparation tanks are respectively connected with the oxidation medicament injection main pipe through respective output pipes, the activation medicament preparation tanks are connected with the activation medicament injection main pipe through respective output pipes, and each output pipe is provided with an electric valve connected with the control device; the pneumatic diaphragm pump comprises a first pneumatic diaphragm pump arranged on the oxidation medicament injection main pipe and a second pneumatic diaphragm pump arranged on the activation medicament injection main pipe, the first pneumatic diaphragm pump is connected with the gas storage tank through a first suction gas pipe, and the second pneumatic diaphragm pump is connected with the gas storage tank through a second suction gas pipe.
10. The in-situ remediation chemical continuous preparation and injection integrated facility of claim 9, wherein the activation chemical injection manifold may be connected to the oxidation chemical tank via a mixing tube, or the oxidation chemical injection manifold may be connected to the activation chemical tank via a mixing tube, the mixing tube being provided with an electrically operated valve and a flow sensor connected to the control means.
11. The in-situ remediation chemical continuous preparation and injection integrated apparatus of claim 1, wherein the water storage tank is provided with a heater, the water storage tank, the drug storage tank and the pharmaceutical tank are provided with temperature sensors, and the heater and the temperature sensors are connected to the control device.
12. The in-situ remediation chemical continuous preparation and injection integrated facility of claim 1, wherein the pharmaceutical tank is provided with a dosing device for dosing powder or granular chemical into the pharmaceutical tank and a stirring device for stirring liquid in the pharmaceutical tank, and the dosing device and the stirring device are both connected to the control device.
13. The integrated in-situ remediation chemical continuous preparation and injection apparatus of claim 1, wherein the water delivery manifold and the output pipe of the pharmaceutical pig are provided with filtration means.
14. The in-situ remediation chemical agent continuous preparation and injection integrated facility of claim 1, wherein the agent injection further comprises a pure air injection, i.e. each pump and the pharmaceutical tank are not operated, only compressed air is prepared and stored by the air compressor and the air storage tank, the compressed air is sent to the pressurization air pipe, and air is injected into each injection well at a set pressure under the regulation of the pressure regulating valve.
15. The in-situ remediation chemical agent continuous preparation and injection integrated facility of claim 1, wherein the agent preparation device, the injection device and the control device are integrated into a movable container, the body of which is provided with a walking device.
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104438315A (en) * | 2014-11-05 | 2015-03-25 | 北京高能时代环境技术股份有限公司 | In-situ chemical oxidation injection device for repairing polluted soil and underground water |
| CN104833788A (en) * | 2014-12-26 | 2015-08-12 | 中国科学院武汉岩土力学研究所 | Polluted soil repairing process simulation test system |
| CN105149335A (en) * | 2015-06-24 | 2015-12-16 | 武汉都市环保工程技术股份有限公司 | In-situ chemical oxidation restoration construction method for organic contaminated soil |
| CN205463590U (en) * | 2016-01-06 | 2016-08-17 | 湖南恒凯环保科技投资有限公司 | Charge device is restoreed to soil normal position based on spout stake soon |
| CN205833825U (en) * | 2016-07-08 | 2016-12-28 | 武汉都市环保工程技术股份有限公司 | Medicine system for soil remediation |
| CN207951221U (en) * | 2018-01-25 | 2018-10-12 | 上海汇蓬环境技术有限公司 | A kind of molten dispensing system of organic polluted soil reparation |
| CN208394806U (en) * | 2018-02-28 | 2019-01-18 | 江苏索尔雷米环保科技有限公司 | A kind of integral type original position medicine-filling device |
| CN109396175A (en) * | 2018-12-18 | 2019-03-01 | 北京高能时代环境修复有限公司 | Packaged type integrated automation contaminated site original position injection device system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208555495U (en) * | 2018-04-23 | 2019-03-01 | 山东碧泉环境工程技术有限公司 | A kind of automation liquid medicine injection system in situ |
-
2020
- 2020-03-16 CN CN202010183832.7A patent/CN111266396B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104438315A (en) * | 2014-11-05 | 2015-03-25 | 北京高能时代环境技术股份有限公司 | In-situ chemical oxidation injection device for repairing polluted soil and underground water |
| CN104833788A (en) * | 2014-12-26 | 2015-08-12 | 中国科学院武汉岩土力学研究所 | Polluted soil repairing process simulation test system |
| CN105149335A (en) * | 2015-06-24 | 2015-12-16 | 武汉都市环保工程技术股份有限公司 | In-situ chemical oxidation restoration construction method for organic contaminated soil |
| CN205463590U (en) * | 2016-01-06 | 2016-08-17 | 湖南恒凯环保科技投资有限公司 | Charge device is restoreed to soil normal position based on spout stake soon |
| CN205833825U (en) * | 2016-07-08 | 2016-12-28 | 武汉都市环保工程技术股份有限公司 | Medicine system for soil remediation |
| CN207951221U (en) * | 2018-01-25 | 2018-10-12 | 上海汇蓬环境技术有限公司 | A kind of molten dispensing system of organic polluted soil reparation |
| CN208394806U (en) * | 2018-02-28 | 2019-01-18 | 江苏索尔雷米环保科技有限公司 | A kind of integral type original position medicine-filling device |
| CN109396175A (en) * | 2018-12-18 | 2019-03-01 | 北京高能时代环境修复有限公司 | Packaged type integrated automation contaminated site original position injection device system |
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Denomination of invention: An integrated equipment for continuous preparation and injection of in-situ remediation chemicals Effective date of registration: 20230921 Granted publication date: 20210504 Pledgee: Bank of Communications Co.,Ltd. Hunan Branch Pledgor: HUNAN HENGKAI ENVIRONMENTAL PROTECTION INVESTMENT Co.,Ltd. Registration number: Y2023980058185 |
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