CN212285282U - Double-system in-situ repair medicament preparation and injection equipment - Google Patents

Abstract

The utility model discloses a double-system in-situ remediation medicament preparation and injection device, which comprises a medicament preparation device, an injection device and a control device; 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 utility model provides a technical problem lie in overcoming current normal position and restoreing the medicament and can not pour into the inefficiency scheduling problem in succession.

Description

Double-system in-situ repair medicament preparation and injection equipment

Technical Field

The utility model relates to a pollute and restore technical field, concretely relates to chemical agent's continuous preparation and injection integration equipment is restoreed to normal position for administer the organic pollution of soil and groundwater.

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.

SUMMERY OF THE UTILITY MODEL

To above-mentioned medicament preparation and injection problem, the utility model provides a dual system normal position is restoreed medicament preparation and is injected equipment.

The utility model provides a double-system in-situ remediation medicament preparation and injection device, which comprises a medicament 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 connected with the medicament storage tank and stock solution branch pipes connected with 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, at least two pneumatic diaphragm pumps connected in parallel or in series and an suction gas pipe for connecting the gas storage tank and the pneumatic diaphragm pumps, the suction gas pipe is provided with an electromagnetic valve, and the pneumatic diaphragm pumps are positioned on the injection main pipe and provide power for conveying prepared liquid medicine to an injection well;

the liquid level sensor is connected with the control device and inputs 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. 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 plurality of the pressure increasing pipes are pressure increasing air pipes connected with the air storage tank, or the pressure increasing pipes are pressure increasing water pipes connected with the water delivery main pipe, and the positions where the pressure increasing water pipes are connected with the water delivery main pipe are located at the downstream of the water pump.

The dual-system in-situ remediation medicament preparation and injection equipment further comprises a liquid medicine recovery tank connected with the plurality of injection branch pipes, and the liquid medicine recovery tank is located at the upstream of the injection branch pipes.

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.

The utility model discloses a dual system normal position is restoreed medicament preparation and is compared with injection apparatus and prior art, has following beneficial effect:

1. the utility model discloses a two system normal position restoration medicament preparation passes through controlling means with injection device and can control the motorised valve on each stock solution branch pipe and the water delivery branch pipe and open and close according to the order of setting for to control a plurality of pharmacy jars pharmacy in turn, realize pharmacy in succession. 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 plurality of the pressure increasing pipes are pressure increasing air pipes connected with the air storage tank, or the pressure increasing pipes are pressure increasing water pipes connected with the water delivery main pipe, and the positions where the pressure increasing water pipes are connected with the water delivery main pipe are located at the downstream of the water pump. The water delivery main pipe can be used for cleaning the pipeline and can also be used for hydraulic pressurization injection after the injection of the medicament. 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. Pharmacy jar is equipped with the agitating unit who is connected with controlling means and to the feeding device of putting powder or granular medicament in the pharmacy jar, this makes the utility model discloses a continuous preparation of normal position restoration medicament not only can prepare liquid medicament with injecting into integration equipment, can also mix liquid and powder or granular medicament and prepare.

Drawings

Fig. 1 is a schematic structural diagram of a dual-system in-situ remediation drug preparation and injection apparatus 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 pharmacy tank, 312 a second oxidation agent pharmacy tank, 321 a first activation agent pharmacy tank, 322 a second activation agent pharmacy 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, 54 a second pneumatic diaphragm pump and 55 a liquid medicine recovery pump;

a water inlet pipe, b medicine inlet pipe, c first water delivery secondary pipe, d second water delivery secondary pipe, e stock solution manifold, f first stock solution branch pipe, g second stock solution branch pipe, h oxidation agent injection manifold, i activation agent injection manifold, j output pipe, k injection branch pipe, l suction gas pipe, m pressurization pipe, n stock solution reflux pipe, o water reflux pipe, P agent reflux pipe, q mixing pipe and r cleaning pipe;

Detailed Description

The utility model discloses a dual system normal position is restoreed medicament preparation and injection apparatus for the preparation is restoreed the medicament and is inputed the medicament into the injection well, handles the pollutant in soil/groundwater. 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, establish two parallelly connected stoste pumps on stoste house steward and be connected stoste house steward and the stoste branch pipe of 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 water delivery house steward and the water delivery branch pipe of each pharmacy jar, every water delivery branch pipe is equipped with the motorised valve, every the pharmacy jar is equipped with level sensor.

The injection device comprises an injection main pipe connected with an output pipe j of each pharmaceutical tank, each output pipe j is provided with a ball valve, a pipeline filter and an electric valve, the injection device further comprises a gas storage tank 52, an air compressor 51 for inputting gas into the gas storage tank 52, two parallel or series pneumatic diaphragm pumps and a suction air pipe l for connecting the gas storage tank 52 with the pneumatic diaphragm pumps, in the embodiment, the two pneumatic diaphragm pumps are connected in parallel, the suction air pipe l is provided with the electric valve, the pneumatic diaphragm pumps are positioned on the injection main pipe for providing power for conveying prepared liquid medicine to an injection well, and the air compressor 51 is a screw air compressor 51.

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 utility model discloses a continuous preparation of normal position restoration medicament and injection integration equipment, controlling means 4 can control opening and closing of the motorised valve on each stoste branch pipe and the water delivery branch pipe to control a plurality of pharmacy jars pharmacy in turn, realize pharmacy in succession. 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 water delivery main for delivering water to the pharmaceutical tank, the water delivery main is provided with a first water pump 23 and a second water pump 24 which are connected in parallel, one of the first water pump 23 and the second water pump 24 can be used as a common water pump, the other one can be used as a standby water pump, and when the common water pump goes wrong, the standby water pump is started. The water delivery main pipe is connected with the water delivery branch pipe through a first water delivery secondary pipe c and a second water delivery secondary pipe d, the first water delivery secondary pipe c and the second water delivery secondary pipe d are respectively provided with a ball valve and a pipeline filter which are positioned at the upper part of the water pump, and a check valve, an electric valve and a flow sensor which are positioned at the lower part of the water pump, and the flow sensor, the check valve and the electric valve are respectively connected with the control device 4. The first water conveying secondary pipe c is connected with each oxidation medicament preparation tank through a water conveying branch pipe, the second water conveying secondary pipe d is connected with each activation medicament preparation tank through a water conveying branch pipe, and each water conveying 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 medicament 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, two parallel stock solution pumps 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 two stock pumps 12 in parallel can be one used as a service pump and the other as a backup pump, which is activated when a problem arises with the service pump.

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 utility model discloses a dual system normal position is restoreed medicament preparation and is injected into integrated equipment not only applicable in the preparation of oxidation medicament or activation medicament liquid medicament, still can be applicable to the preparation that initial condition is powdered or granular medicament. 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 pumps include two first pneumatic diaphragm pumps 53 connected in parallel or in series provided in the oxidizing agent injection manifold h and two second pneumatic diaphragm pumps 54 connected in parallel or in series provided in the activating agent injection manifold i, and in this embodiment, the two first pneumatic diaphragm pumps 53 are connected in parallel and the two second pneumatic diaphragm pumps 54 are connected in parallel. 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 pipe m is connected with the water delivery main pipe is positioned at the downstream of the water pump. In the present embodiment, the booster duct m is connected to the air tank 52. The pressure and flow rate of the liquid medicine injection are increased by inputting air or water with a certain pressure into the injection branch pipe.

The dual-system in-situ remediation medicament preparation and injection equipment further comprises a liquid medicine recovery tank connected with the plurality of injection branch pipes, wherein the liquid medicine recovery tank is located at the upstream of the injection branch pipes and can be used for recovering residual liquid medicine in the injection branch pipes k.

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 in-situ remediation medicament continuous preparation and injection integrated equipment further comprises a medicament return pipe P connected with the return port and the injection main pipe, the connecting position of the medicament return 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 in the injection direction, and the medicament return 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 each provided with a ball valve, an electric valve, and a flow sensor, and the electric valve and the flow sensor are each 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 pipes, closes the electric valves of the water delivery branch pipes, opens the electric valves on the injection main pipes and the injection branch pipes k, and cleans the injection main pipes and the injection branch pipes 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.

The utility model discloses in, the mixed liquid medicament preparation with inject into, activation medicament pharmacy jar promptly pass through the hybrid tube q with oxidation medicament pharmacy jar is connected the activation medicament that will make and is sent into oxidation medicament pharmacy jar and dissolve formation mixed medicament with oxidation medicament intensive mixing stirring, perhaps oxidation medicament pharmacy jar sends the oxidation medicament that makes to through the hybrid tube q activation medicament pharmacy jar dissolves formation mixed medicament with the activation medicament intensive mixing stirring that makes. 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 protection scope of the present invention is defined by the claims. Various modifications and equivalent arrangements of the disclosed embodiments will be apparent to those skilled in the art and may be made without departing from the spirit and scope of the present invention.

Claims (18)

1. A dual-system in-situ remediation medicament preparation and injection device is characterized by comprising a medicament 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 connected with the medicament storage tank and stock solution branch pipes connected with 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, at least two pneumatic diaphragm pumps connected in parallel or in series and an suction gas pipe for connecting the gas storage tank and the pneumatic diaphragm pumps, the suction gas pipe is provided with an electromagnetic valve, and the pneumatic diaphragm pumps are positioned on the injection main pipe and provide power for conveying prepared liquid medicine to an injection well;

the liquid level sensor is connected with the control device and inputs 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.

2. The dual system in situ remediation drug formulation and injection apparatus of claim 1, wherein said injection manifold is provided with a flow sensor, an electrically operated valve and a pressure transducer connected to said control means.

3. The dual system in situ remediation drug formulation and infusion device of claim 1, wherein said inspiratory tubing is provided with a pressure regulating valve connected to a control means.

4. The dual-system in-situ remediation drug preparation and injection apparatus of claim 1, wherein the injection device further comprises a plurality of injection branch pipes connected to the injection main pipe, respectively, for injecting the drug solution into different injection wells, and further comprises a plurality of pressure pipes connected to the plurality of injection branch pipes in a one-to-one correspondence, respectively, for pressurizing the injection branch pipes, and the pressure pipes are provided with electromagnetic valves, pressure regulating valves, and pressure transmitters connected to the control device.

5. The dual system in situ remediation drug formulation and injection apparatus of claim 4, further comprising a drug solution recovery tank connected to said plurality of injection legs, said drug solution recovery tank being located upstream of said injection legs.

6. The dual system in situ remediation drug formulation and injection apparatus of claim 4, wherein said plurality of pressurization conduits are pressurization gas conduits connected to said gas reservoir.

7. The dual system in situ remediation drug preparation and injection apparatus of claim 4, wherein said pressurization conduit is a pressurization water conduit connected to said water delivery manifold at a location downstream of said water pump.

8. The dual-system in-situ remediation drug preparation and injection apparatus of claim 4, wherein the injection manifold is provided with an electric valve, a flow sensor, a temperature sensor and a pressure transducer connected to the control device.

9. The dual system in situ remediation drug formulation and injection apparatus of claim 4, wherein said injection manifold is provided with a check valve to prevent backflow of drug solution into the injection well.

10. The dual system in situ remediation drug preparation and injection apparatus of claim 1, wherein the drug storage tanks comprise an initial liquid oxidation drug storage tank and an initial liquid activation drug storage tank, and the plurality of drug tanks comprise a plurality of oxidation drug preparation tanks respectively connected to the initial liquid oxidation drug storage tank and a plurality of activation drug preparation tanks respectively connected to the initial liquid activation drug 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.

11. The dual system in situ remediation drug preparation and injection apparatus of claim 2, wherein said drug tank is connected to said injection manifold by a drug return line, said drug return line being connected to said injection manifold at a location downstream of said pneumatically actuated diaphragm pump and said electrically actuated valve of said injection manifold in the direction of injection; 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.

12. The dual system in situ remediation drug formulation and injection apparatus of claim 10, wherein said activation drug injection manifold may be connected to said oxidation drug canister by a mixing tube or said oxidation drug injection manifold may be connected to said activation drug canister by a mixing tube, said mixing tube being provided with an electrically operated valve and a flow sensor connected to said control means.

13. The dual system in situ remediation agent formulation and injection apparatus of claim 1, wherein a purge line is connected between said water delivery manifold and said injection manifold.

14. The dual system in situ remediation drug formulation and infusion device of claim 1, wherein said water storage tank is provided with a heater, said water storage tank, drug storage tank and pharmaceutical tank are provided with temperature sensors, said heater and temperature sensors are connected to said control means.

15. The dual system in situ remediation drug formulation and injection apparatus of claim 1, wherein the pharmaceutical tank is provided with a dosing device for dosing powder or granular drug into the pharmaceutical tank and a stirring device for stirring liquid in the pharmaceutical tank, the dosing device and the stirring device being connected to the control device.

16. The dual system in situ remediation drug formulation and infusion device of claim 1, wherein said water delivery manifold and said outlet conduit of said drug canister are provided with filtration means.

17. The dual system in situ remediation drug formulation and injection apparatus of claim 1 further comprising a single air injection, wherein each pump and tank is not operated, and only compressed air is prepared and stored by means of an air compressor and an air reservoir, and is fed into the plenum, and air is injected into each injection well at a set pressure under the regulation of the pressure regulating valve.

18. The dual system in situ remediation drug formulation and injection apparatus of claim 1, wherein the drug formulation device, the injection device and the control device are integrated into a mobile container having a body provided with a walking device.

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