CN210876747U - Integrated intelligent high-pressure injection liquid medicine automatic configuration and injection equipment - Google Patents
Integrated intelligent high-pressure injection liquid medicine automatic configuration and injection equipment Download PDFInfo
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- CN210876747U CN210876747U CN201921223875.2U CN201921223875U CN210876747U CN 210876747 U CN210876747 U CN 210876747U CN 201921223875 U CN201921223875 U CN 201921223875U CN 210876747 U CN210876747 U CN 210876747U
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Abstract
The utility model discloses an integration intelligence high pressure injection liquid medicine automatic configuration and injection device, including power supply unit, intelligent control system, screening weighing and metering unit, stirring mixing unit, memory cell, injection unit. According to the set medicament concentration and the volume of the stirring and mixing unit, the intelligent control system calculates the required medicament dosage, the required medicament dosage is injected into the stirring and mixing unit through screening and weighing (metering), and the required medicament dosage is injected into a solvent, stirred and mixed and then conveyed to a storage unit. During repairing, the injection unit conveys the prepared medicament in the storage unit to repairing drilling equipment through a high-pressure fluid pump according to the set pressure and flow, and the polluted soil and underground water are repaired. The intelligent control system controls the equipment to automatically mix and configure the liquid medicine according to the consumption of the liquid medicine in the repairing process, the residual amount of the liquid medicine in the storage unit and the configuration speed of the liquid medicine. And by adopting an integrated design, all the constituent units are integrated in the standard container, so that the transportation and the use are convenient.
Description
Technical Field
The utility model relates to a soil groundwater restoration department technical field, concretely relates to integration intelligence high pressure injection liquid medicine automatic configuration and injection apparatus.
Background
The groundwater pollution in China has a situation of developing from point pollution to strip and surface pollution, and the in-situ injection method has the advantages of no need of excavation, small disturbance and low cost, and becomes a development hotspot and direction of groundwater remediation.
The high-pressure slurry spraying technology is a construction technology combining a grouting technology and a high-pressure water conservancy spraying and cutting technology. The medicament is injected into deep soil by high-pressure injection equipment during solidification stabilization and chemical reduction oxidation, so that the medicament is effectively and uniformly mixed with polluted soil and underground water, the pollutant removal effect is improved, and the site is not changed to keep good engineering characteristics. When the high-pressure injection process is applied to site pollution in-situ remediation construction, factors such as comprehensive action radius, medicament dosage, mixing effect, secondary pollution and the like need to be considered. The high-pressure spraying method can be suitable for clay, silty clay, mucky soil, sand gravel and other soils. The acting radius is closely related to grouting pressure, nozzle diameter, lifting speed and soil characteristics.
The high-pressure injection method can be divided into a single-pipe method, a double-pipe method, a triple-pipe method and the like according to the type of the injection pipe, and the single-pipe method only injects medicament solution and has the advantages of high construction speed, low cost, basically no slurry return point and the like; but the action range is too small, the construction efficiency is influenced, and the mixing effect is general. The double-pipe method sprays high-pressure slurry and compressed air, the action radius is obviously increased compared with that of a single-pipe method, the mixing effect is greatly improved in the auxiliary cutting of the compressed air, and partial slurry return is realized in the construction process. The method adopts the modes of low-pressure slurry replacement and ultrahigh-pressure water and compressed air cutting in the triple-pipe method injection, the effective acting radius of the method is obviously increased, and the mixing effect is the best, but the principle of the method is that slurry with lower pressure is injected by a slurry pump for filling and replacement, the construction period and the cost are increased to a certain extent, and the foundation strength of a construction area is greatly reduced due to the use of a large amount of high-pressure water, so that the subsequent engineering progress is influenced. In conclusion, the single-pipe method and the double-pipe method are more suitable for in-situ repair engineering construction of the polluted site, the double-pipe method has faster effect, and the purpose of reducing or even not returning slurry can be achieved by adjusting process parameters in the construction process. High-pressure spraying methods can be classified into rotary spraying (lifting rotary guniting), swing spraying (lifting swing guniting) and fixed spraying (lifting directional guniting) according to the spraying manner. High-pressure injection methods can be further divided into multiple injections (repetitive injections) and standing injections (oscillation only without lift) according to duration.
Different soil groundwater restoration technologies have different process principles, so that required restoration equipment also has differences, and the soil groundwater restoration equipment in the current market is also special equipment specially designed and matched for a certain restoration technology, so that the function is single. In-situ remediation of soil and underground water, a drilling device is adopted to drill into a target area, and then high-pressure spraying of remediation liquid medicine is started, wherein the liquid medicine adding and putting process in the remediation process is rough, the pressure control difficulty is high, and the requirement of underground water pollution treatment cannot be met; at present, it is equipped in the intelligent of an organic whole still to have collected liquid medicine configuration, pour into, the utility model relates to an integration intelligence high pressure injection liquid medicine automatic configuration and injection equipment have guaranteed that the high-efficient of liquid medicine mixes and accurate the carrying in the high-pressure injection restoration technology, have improved the injection precision, have reduced the repair cost, have solved accurate prosthetic technological problem, provide powerful technique and equipment support for soil groundwater pollution control.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an integration intelligence high pressure injection liquid medicine automatic configuration and injection device for polluting soil groundwater normal position high pressure injection restoration.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the integrated intelligent high-pressure injection liquid medicine automatic configuration and injection equipment is used for in-situ high-pressure injection repair of polluted soil underground water, automatically configures repair liquid medicine, provides liquid medicine for subsequent drilling and repair equipment according to flow and pressure requirements, and ensures continuous and uninterrupted repair implementation. The device comprises a container, a power supply unit, an intelligent control system, a screening, weighing and metering unit, a stirring and mixing unit, a storage unit and an injection unit. When the device is operated, the intelligent control system calculates the required dosage of the medicament according to the set concentration of the medicament and the volume of the stirring and mixing unit, the required dosage of the medicament is injected into the stirring and mixing unit through screening and weighing (metering), the injected solvent is stirred and mixed and then is conveyed to the storage unit, and the high-pressure fluid pump of the injection unit conveys the medicament prepared in the storage unit to the repairing and drilling device according to the set pressure and flow, so that the polluted soil and the underground water are repaired. The intelligent control system collects sensor data such as liquid level, concentration, flow and the like, and the equipment automatically performs liquid medicine mixing configuration by controlling the execution valve according to the consumption of the liquid medicine in the repairing process, the residual amount of the medicine in the storage unit and the configuration speed of the medicine. The equipment adopts the integrated design, and all the component units are integrated in the standard container, thereby being convenient for transportation and use.
Furthermore, the carriage carrier is a standard container and is divided into a control cabin and an equipment cabin, all the components and units are installed in the carriage carrier, and a power supply interface, a solvent input interface, a liquid medicine output interface and a compressed air output interface are reserved outwards; the solvent injection device can be transported to the site by using a vehicle, a solvent input pipeline is connected after the solvent injection device is hoisted and placed, the solvent injection pipeline is connected with drilling and repairing equipment, and the solvent injection device can start to operate after being connected with a power supply.
Furthermore, the power supply unit comprises an air switch, a filter, an isolation transformer, an Uninterruptible Power Supply (UPS), a direct-current power supply module and a power supply interface, and mainly supplies power for the execution part and the intelligent control system, and the power supply unit is installed inside the control cabinet.
Furthermore, the intelligent control system comprises a Programmable Logic Controller (PLC), a data acquisition module, a bus communication execution element (frequency converter and driver), a user terminal (HMI and PC), control software and a data interface. The data acquisition module acquires data such as liquid level, concentration, specific gravity, flow, pressure and the like in the equipment, the system judges whether the residual quantity of the liquid medicine meets the repair requirement or not according to the data, and the electric valve and the fluid pump are driven by the execution element, so that the automatic liquid medicine configuration process is controlled; controlling the output flow and pressure of the injection unit according to the set injection flow and pressure of the liquid medicine and the compressed air; the intelligent control system is provided with a data interface, and can detect key parameters and running states of the drilling and repairing equipment in real time; the user can design parameters such as medicament dosage, medicament concentration, output flow and pressure of the injection unit on the user terminal, the operation conditions of the equipment and the drilling and repairing equipment are monitored in real time, and the injection pressure and flow are intelligently adjusted according to the real-time monitoring data of the repairing effect. The intelligent control system is arranged inside the control cabinet and is arranged inside the container control cabin.
Further, the screening, weighing and metering unit comprises two solid medicament (medicament, oxidant or reducer) hoppers which are connected with the vibrating screen, the weighing instrument weighs the required dosage of the solid medicament according to the set concentration, and the electric gate valve is opened to convey the medicament to the stirring and mixing unit; the liquid medicament is placed in the liquid medicament container, the required liquid medicament is conveyed into the stirring and mixing unit through the fluid pump and the check valve, and the liquid medicament is metered through the flowmeter.
Further, the stirring and mixing unit comprises a solvent input valve, the solvent is conveyed to the stirring and mixing container through a solvent fluid pump through a solvent flowmeter, and the stirrer is used for fully stirring and mixing the medicament and the solvent and then conveying the medicament and the solvent to the storage unit through a liquid medicine valve, a liquid medicine flowmeter and a check valve through the liquid medicine fluid pump; the liquid level sensor transmits the liquid level information in the stirring and mixing container, the concentration sensor and the specific gravity sensor to the intelligent control system, and the concentration and the specific gravity information of the liquid medicine after stirring and mixing are transmitted to the intelligent control system. Before the restoration begins, the screening, weighing and metering unit and the stirring and mixing unit are used for continuously preparing liquid medicine until the liquid medicine storage unit is filled with the liquid medicine.
Further, the storage unit comprises a liquid medicine storage container, the volume of the liquid medicine storage container is obviously larger than a solvent of the stirring and mixing container, a liquid level sensor is arranged inside the liquid medicine storage container, the real-time liquid level of the liquid medicine in the storage container is detected, meanwhile, liquid level information is transmitted to the intelligent control system, the storage unit is connected with the injection unit through a valve, and the prepared liquid medicine is provided for the injection unit. During the repairing process, the prepared liquid medicine is conveyed to the drilling and repairing equipment through the injection unit, when the vacant volume (shown in the figure) in the storage unit is larger than the volume of the stirring and mixing unit, the screening weighing and metering unit and the stirring and mixing unit are started, the liquid medicine is continuously prepared and conveyed to the storage unit, the continuous output of the liquid medicine during the repairing process is ensured, and the continuous repairing is ensured.
Further, the injection unit is a core unit of the equipment and comprises a high-pressure fluid pump, liquid medicine configured in the storage unit is conveyed to the drilling and repairing equipment through a check valve and an electric regulating valve according to injection pressure and flow set by a repairing scheme, the pressure and the flow can be constant or variable (function), meanwhile, a flowmeter and a pressure sensor are adopted to collect real-time actual output flow and pressure, data are transmitted to an intelligent control system, and real-time adjustment is carried out to ensure that the flow and the pressure are within an allowable error range. In order to meet the repair requirement of a double-pipe method and improve the diffusion distance and the repair effect, the injection unit is further provided with a compressed air pump, compressed air is conveyed to the drilling and repair equipment, the air flow and the air pressure are detected in real time through a compressed air flowmeter and a compressed air flowmeter pressure sensor, data are transmitted to an intelligent control system and adjusted in real time, and the flow and the pressure are guaranteed to be within an allowable error range. In order to reduce noise, silencers are installed on both the high-pressure fluid pump and the compressed air pump.
Has the advantages that: compared with the prior art, the utility model discloses following profitable technological effect has:
(1) integrated design: all the components are mounted in a carriage carrier, and the movable skid-mounted carriage is easy to transport and use. (2) The use is convenient: the device has low requirement on the site, the workload of site installation is extremely low, the device is connected with a power supply after being hoisted and landed, and the device is connected with a solvent (water) output pipeline and a drilling and repairing device pipeline and then is used after being filled into a hopper of a screening weighing and metering unit. (3) The intelligent degree is high: according to the accurate investigation result of the site, according to the feedback of the stratum to the injection pressure, the reaction stratum permeability characteristic and the pollutant distribution condition, a repair strategy is formulated, repair key parameters (liquid medicine concentration, injection pressure and flow) are set, the automatic configuration and output of the repair liquid medicine are realized by adopting an industrial personal computer and a configuration flow control technology, and the real-time monitoring of the injection parameters, the intelligent parameter adjustment, the equipment safety protection and the automatic control of the whole process are realized by adopting a PID control strategy and the intelligent neural network judgment. The user terminal has good interface and simple operation. (4) Safe and reliable: the equipment is made of anti-corrosion materials, has good strength and rigidity, detects key data such as liquid level, pressure, flow and the like in the operation process in real time through the sensor, and monitors the operation state of key components to ensure safe and reliable operation.
Drawings
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a schematic diagram of the overall PID of the present invention;
FIG. 3 is a functional block diagram of the present invention;
fig. 4 is an electrical schematic of the present invention;
FIG. 5 is a flow chart of the present invention
Fig. 6 is a schematic view of the shaft repairing process of the present invention;
fig. 7 is a schematic view of the shaft repairing process of the present invention;
reference numbers in the figures: 1. a container; 2. a power supply unit; 3. an intelligent control system; 4. a solid medicament hopper; 5. a liquid medicament hopper; 6. vibrating screen; 7. a solid medicament electric gate valve 1; 8. a weighing instrument; 9. a solid medicament electric gate valve 2; 10. liquid medicament electric gate valve; 11. a liquid medicament flow valve; 12. a liquid medicament fluid pump; 13. a liquid medicament check valve; 14. a solvent input gate valve; 15. inputting a solvent into a flow meter; 16. a solvent input fluid pump; 17. a stirred mixing unit vessel; 18. a stirrer; 19. a stirring and mixing unit liquid level sensor; 20. a concentration sensor; 21. a specific gravity sensor; 22. the stirring and mixing unit outputs a gate valve; 23. the stirring and mixing unit outputs a flowmeter; 24. the stirring and mixing unit outputs a fluid pump; 25. the stirring and mixing unit outputs the check valve; 26. a liquid medicine storage container; 27. a storage unit level sensor; 28. a storage unit output valve; 29. a high pressure fluid pump; 30. an air compressor; 31. an injection unit check valve; 32. the injection unit outputs a liquid medicine electric regulating valve; 33. the injection unit outputs a liquid medicine pressure sensor; 34. the injection unit outputs a liquid medicine flow meter; 35. a muffler; 36. a compressed air output valve; 37, a compressed air output pressure sensor; 38. the compressed air outputs the flowmeter.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings:
referring to fig. 1 and 2, the utility model discloses a power supply unit, intelligence control system, screening weighing and metering unit, stirring mixing unit, memory cell, injection unit adopt the integrated design, and all component parts are integrated in a standard container, externally reserve power source external power source, the external solvent (water) of solvent input interface, liquid medicine output interface and compressed air output interface and drilling repair equipment.
The repairing medicament has two forms of solid or liquid. The solid medicament is generally divided into a single medicament or a mixture of the medicament and an oxidant (reducing agent), so that the screening, weighing and metering unit comprises a screening and weighing device for two solid medicaments and a liquid medicament flow metering device.
The operation of the plant is divided into three phases: before repair starts (preparation), after repair starts (operation), and after repair is completed (stop), the following describes the embodiments in stages:
before repair starts (preparation): after the device is started, the intelligent control system carries out self-checking on the states of all components of the device and initializes the components, and parameters such as concentration, dosage, injection pressure and flow of liquid medicine are set according to the requirements of a repair scheme. After the self-test is completed, the volume of the mixing unit container 17 is adjusted according to the concentration of the repairing liquid medicine and the volume (pi x d)2Weighing 6 or 11 required medicine amount (G1, G2 or Q2) by weighing 6 or 11, injecting the medicine amount into the stirring and mixing unit container 17 through a pipeline and a valve 9(V3, V4) or a valve 10(V5) and a fluid pump 12(M1), injecting a proper amount of solvent (water) of the Q1 through a fluid pump 16(M2), starting the stirrer 18 to fully mix and dissolve the medicine and the solvent (water), acquiring data such as liquid level, concentration, specific gravity (h, C, rho) and the like of the mixed medicine liquid through a sensor 19/20/21 by an intelligent control system, and finely adjusting the using amount of the medicine and the solvent according to an allowed error requirement to ensure that the configured medicine liquid meets a repairing requirement. After the liquid medicine is configured, the intelligent control system closes valves (V3, V4, V5 and V6) of the medicine and solvent (water) injected into the stirring and mixing unit container, simultaneously opens the valve 22(V7), starts the fluid pump 24 and conveys the liquid medicine into the storage unit container 26; after the liquid medicine in the stirring and mixing unit container 17 is completely delivered, the stirring and mixing unit restarts to dispose the liquid medicine and delivers the liquid medicine to the storage unit, and the process is repeated until the storage unit is full of the liquid medicine. And continuing to prepare the liquid medicine as long as the accumulated liquid medicine preparation amount is less than the total liquid medicine set value required by the restoration and the stirring and mixing unit container is empty.
After repair begins (run): when the drilling is finished and the repairing is started, the high-pressure fluid pump 29 is started, the repairing liquid medicine in the storage unit container 26 is formed into high-pressure jet flow according to the injection pressure set according to the permeability characteristic of the reaction stratum, the air compressor 30 starts to work at the same time, air is injected according to the set air pressure, two different fluids are simultaneously injected out through two channels (general air flow channels are arranged outside and liquid medicine channels are arranged inside) of the drilling repairing device at the bottom of the coaxial double nozzles of the injection pipe, the compressed air wraps and surrounds the high-pressure jet flow, the attenuation of the high-pressure jet flow can be reduced, the cutting and stirring assisting effect is achieved at the same time, the injection distance of the. The injection flow (Q4) of the liquid medicine is adjusted by adjusting the electric control valve 34(V8), the intelligent control system collects pressure data (P1 and P2) of the pressure sensors 33 and 37 and data (Q4 and Q5) of the flow meters 34 and 38 in real time, fine adjustment and compensation are carried out on the injection pressure and the flow, and the pressure and the flow are guaranteed to be within an allowable error range.
As the repair proceeds, the liquid medicine is continuously delivered to the drilling repair facility and the storage unit container 26 is left empty (pi x D)2And/4 Δ H), when the liquid level drops to H1, the prepared liquid medicine in the stirring and mixing container 17 is delivered to the storage unit container, when the liquid level rises to H, the delivery of the liquid medicine is stopped, and H, H1 can be preset through a user terminal as required. In order to ensure the continuous and uninterrupted liquid medicine conveying and repairing process, the liquid medicine preparing speed is higher than the maximum liquid medicine output Q4 of the injection unitmax(l/min), the volume of the storage unit container is more than twice of that of the stirring and mixing unit container, and meanwhile, the pipeline, the valve and the fluid pump adopted by the equipment meet the requirement of Q4max(l/min) required.
After repair is complete (stopped): after the repair is finished, residual liquid medicine in the stirring and mixing unit container 17 and the storage unit container 26 is discharged through a pipeline at the bottom of the stirring and mixing unit container and the storage unit container, clean water is injected through a solvent injection interface, the equipment is cleaned, and the intelligent control system is shut down after checking the state of the equipment.
The electrical control principle of the device is shown in fig. 4 and mainly includes a power distribution and communication system.
A power distribution system: the total distribution F1 controls an F2 medicament weighing mixing distribution cabinet respectively; f3 high-voltage injection system switch board. The method is divided into primary power distribution and secondary power distribution.
Primary power distribution: f4\ F5\ F6 is respectively provided with power supplies at power ends of M1, M2 and M3 motor frequency converter drivers, F7 is provided with a control end isolation transformer power supply, and an F7 isolation transformer power supply is provided with a surge protector and is under the jurisdiction of an isolation transformer; F9/F10 is respectively provided with a fluid pump, an air compressor frequency converter power supply, an F11 is provided with a cabinet body control end isolation transformer power supply, an F11 is provided with a cabinet body control end isolation transformer power supply and a surge protector.
Secondary power distribution: the medicament weighing mixing distribution cabinet controls power distribution, a switch power supply, a surge protector and a PLC power supply pre-stage filter are configured under the jurisdiction of an isolation transformer, the power supply configuration is completed, and the power supply is converged into a PLC _ CPU. The PLC DI/DO level power distribution is configured, a power supply start/stop/emergency stop button is configured, a PLC-DI/DO module is configured at each enabling end IO of a station approach IO switch, a frequency converter and a driver, and a DO point is configured to be output to each relay control coil K1/K2/K3/K4/K5 in a KZ1 relay module. The PLC AI/AO level power distribution and on-site analog quantity real-time control type sensor configures AI/AO analog quantity signal points B6/B7/B8/B9/B10/B11 through an isolation transformer. The relay module is used for power distribution, F8 is a power distribution power supply of the relay unit, the power supply is imported into KZ1 relay 16 combined module contacts K1/K2/K3/K4/K5, and the relay contacts control on-off output of IO valves under the control of B1/B2/B3/B4/B5. And (3) PLC (programmable logic controller) preceding-stage power distribution, wherein a switching power supply, a surge protector and a PLC power supply preceding-stage filter are configured under the jurisdiction of the isolation transformer, the power supply configuration is completed, and the power supply is converged into the PLC _ CPU. The PLC DI/DO level power distribution is configured, a power supply start/stop/emergency stop button is configured, a PLC-DI/DO module is configured at each enabling end IO of a station approach IO switch, a frequency converter and a driver, and a DO point is configured to be output to each relay control coil K6/K7/K8/K9/K10 in a KZ1 relay module. The PLC AI/AO grade distribution site analog quantity real-time control type sensor configures AI/AO analog quantity signal points B17/B18/B19/B20 through isolated transmission. The relay module is used for power distribution, F13 is a unified power distribution power supply of the relay unit, the power supply is imported into KZ1 relay 16 combined module contacts K6/K7/K8/K9, and the relay contacts control on-off output of IO valves under the control of the relay contacts B12/B13/B14/B15.
A communication system: the medicament weighing mixing power distribution cabinet is characterized in that the PLC-1 is provided with a DP module to control A1\ A2\ A3, the PLC-1 is provided with a main station profibus communication protocol address to control slave station addresses of DP slave stations A1\ A2\ A3 under the control. The Ethernet port PLC-1 is configured with a PNIE module, and the self-carrying PNIE network port can be configured with the control of the PLC-2, a background terminal and a field HMI. In the high-voltage injection system power distribution cabinet, a PLC-2 is provided with a DP module to control A4\ A5, and a PLC-1 is provided with a main station profibus communication protocol address to control slave station addresses of slave stations A4\ A5 of DP under the control. The Ethernet port, the PLC-2 configures the PNIE module, and the self-carrying PNIE network port can be configured for controlling the PLC-1, the background terminal and the field HMI.
The present invention will be described in detail with reference to the following examples:
example 1: and (3) adopting a vertical shaft repairing process to repair the underground water of the in-situ polluted soil.
When the high-pressure injection technology is used for in-situ remediation of polluted sites and underground water, a composite well remediation method combining vertical well remediation, horizontal well remediation and vertical well and horizontal well remediation can be adopted as required.
When the pollutants are distributed in a point shape, the pollutants can be repaired by adopting a vertical shaft repairing process. And (3) vertically drilling at a pollution distribution point by using drilling equipment, establishing a vertical injection well, and injecting a repairing liquid medicine into the polluted area so as to realize the repairing target. The method comprises the steps of firstly, transporting the equipment to a site by using a vehicle, lifting and placing the equipment on a repair site, connecting the equipment with a liquid medicine and compressed air conveying pipeline of the drilling repair equipment, connecting a solvent conveying pipeline of the equipment, connecting an electrical interface, and connecting an external power supply. After the self-checking of the equipment is finished, the injection pressure and the injection flow rate of the medicament and the compressed air are set according to a restoration scheme (the injection pressure and the injection flow rate can be constant or variable and are determined according to the formation characteristics and pollution distribution), the liquid medicine is prepared, and when the liquid level in the storage unit container reaches H, the liquid medicine is ready. And selecting parameters such as a proper drilling tool and nozzle quantity, determining drilling depth, rotating speed, lifting speed and the like according to the investigation result of the polluted site, the bottom layer characteristic, the pollution distribution and the repairing scheme in the aspect of drilling repairing equipment. When the drilling depth reaches a set value, the drilling is stopped, the drilling tool and the injection pipe (generally integrated) start to be lifted according to a set rotating speed and a set lifting speed, two different fluids, namely repairing liquid medicine and compressed air, are simultaneously injected out through two channels (generally an airflow channel is arranged outside and a liquid medicine channel is arranged inside) of the drilling repairing equipment at the bottom of the coaxial double nozzles of the injection pipe, and the high-pressure jet flow cuts and destroys the soil body and the liquid medicine in the original stratum to be mixed and stirred, so that the repairing of the polluted soil is realized. In the repairing process, the actual pressure measurement value at the nozzle is transmitted to an intelligent control system of the equipment, the injection pressure is adjusted, and the pressure loss of the pipeline is compensated. The high-pressure jet repairing can adopt rotary jet, fixed jet or swing jet according to the requirement, the injection pressure is generally 20-70MPa, and the repairing radius can reach 4-5 m. The shaft repair process is shown in fig. 6.
Example 2: and (3) adopting a horizontal well repairing process to repair the underground water of the in-situ polluted soil.
When the pollutants are distributed in a sheet shape and the soil stratum is a sand layer, a horizontal well repairing process can be adopted for repairing. The length of a single well of the horizontal well can reach about 120m, the single well has a large repairing range, and the repairing efficiency is extremely high. During restoration, drilling equipment is utilized to drill obliquely (deflecting) at a pollution distribution position and then horizontally drill, a horizontal injection well is established, and restoration liquid medicine is injected into a polluted area so as to achieve the restoration target. The repairing process is similar to that of the embodiment 1, the injection flow rate can be determined according to the pollution distribution condition, and the horizontal well repairing process is shown in the figure 7.
Claims (8)
1. The integrated intelligent high-pressure injection liquid medicine automatic configuration and injection equipment is characterized by comprising a screening weighing and metering unit, a stirring and mixing unit, a storage unit, an injection unit and drilling repair equipment which are sequentially connected; the screening, weighing and metering unit is used for screening, weighing and metering the medicament; the stirring and mixing unit fully mixes the medicament and the solvent to prepare a repairing liquid medicine; the storage unit is used for storing the repairing liquid medicine; the injection unit conveys the repairing liquid medicine and the compressed air to the drilling repairing equipment; the intelligent control system also comprises a power supply unit and an intelligent control system; the power supply unit supplies power to the whole equipment; the intelligent control system controls the dosage of the medicament and the solvent, controls the pressure and the flow of the injected repairing liquid medicine, and simultaneously monitors the working state of each unit of the equipment.
2. The integrated intelligent high-pressure automatic liquid medicine injection configuration and injection device according to claim 1, wherein the device is integrally installed in a container; the container is a standard container, the interior of the container is divided into a control cabin and an equipment cabin, the power supply unit and the intelligent control system are installed in the control cabin, and the rest units are installed in the equipment cabin; the external power input interface, the solvent input interface, the medicament output interface and the compressed air output interface are arranged, the solvent required by medicament configuration is input into the stirring and mixing unit through the solvent input interface, and the configured medicament and compressed air are conveyed to the drilling and repairing equipment through the medicament output interface and the compressed air output interface for repairing.
3. The integrated intelligent high-pressure automatic liquid medicine injection configuration and injection device according to claim 1, wherein the power supply unit comprises an air switch, a filter, an isolation transformer, an uninterruptible power supply, a direct-current power supply module and a power supply interface.
4. The integrated intelligent high-pressure automatic liquid medicine injection configuration and injection device according to claim 1, wherein the intelligent control system comprises programmable control components, a bus communication execution element, a data acquisition module, a user terminal, control software and a data interface.
5. The integrated intelligent high-pressure automatic injection liquid medicine preparation and injection device according to claim 1, wherein the screening, weighing and metering unit comprises a solid medicine hopper (4), a vibrating screen (6), a weighing instrument (8) and an electric gate valve (9) which are connected in sequence, and a liquid medicine container (5), a fluid pump (12), a flow meter (11) and a check valve (13) which are connected in sequence; the weighing instrument (8), the electric gate valve (9), the fluid pump (12) and the flowmeter (11) are respectively electrically connected with the intelligent control system.
6. The integrated intelligent high-pressure automatic injection liquid medicine configuration and injection device according to claim 1, wherein the stirring and mixing unit comprises a stirring and mixing container (17), a solvent delivery pipeline and a repair liquid medicine delivery pipeline, the stirring and mixing container (17) is provided with a solvent inlet, a medicament inlet and a repair liquid medicine outlet, and a stirrer (18), a liquid level sensor (19), a concentration sensor (20) and a specific gravity sensor (21) are arranged in the stirring and mixing container (17); two ends of the solvent conveying pipeline are respectively connected with an external solvent storage container and a solvent inlet, and a solvent input valve (14), a solvent flow meter (15) and a solvent fluid pump (16) are arranged on the solvent conveying pipeline; the two ends of the repair liquid medicine conveying pipeline are respectively connected with a repair liquid medicine outlet and a storage unit, and a liquid medicine valve (22), a liquid medicine flow meter (23), a liquid medicine fluid pump (24) and a check valve (25) are arranged on the repair liquid medicine conveying pipeline; the stirrer (18), the liquid level sensor (19), the concentration sensor (20), the specific gravity sensor (21), the solvent input valve (14), the solvent flow meter (15), the solvent fluid pump (16), the liquid medicine valve (22), the liquid medicine flow meter (23) and the liquid medicine fluid pump (24) are respectively and electrically connected with the intelligent control system.
7. The integrated intelligent high-pressure automatic injection liquid medicine configuration and injection device according to claim 1, wherein the storage unit comprises a liquid medicine storage container (26) in which a liquid level sensor (27) is arranged, and the liquid medicine storage container (26) is connected with the injection unit through a valve (28); the liquid level sensor (27) and the valve (28) are respectively and electrically connected with the intelligent control system.
8. The integrated intelligent high-pressure injection liquid medicine automatic configuration and injection device according to claim 1, wherein the injection unit comprises a repair liquid medicine injection pipeline and a compressed air injection pipeline; the two ends of the repairing liquid medicine injection pipeline are respectively connected with the storage unit and the drilling repairing equipment, and the two ends of the compressed air injection pipeline are respectively connected with the atmosphere and the drilling repairing equipment; the repair liquid injection pipeline comprises a high-pressure fluid pump (29), a check valve (31), an electric regulating valve (32), a flowmeter (34) and a pressure sensor (33); the compressed air injection pipeline comprises a compressed air pump (30), a compressed air output valve (36), a compressed air flow meter (38) and a compressed air flow meter pressure sensor (37); the high-pressure fluid pump (29), the electric control valve (32), the flow meter (34) and the pressure sensor (33), the compressed air pump (30), the compressed air output valve (36), the compressed air flow meter (38) and the compressed air flow meter pressure sensor (37) are respectively electrically connected with the intelligent control system.
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| CN110420987A (en) * | 2019-07-31 | 2019-11-08 | 江苏大地益源环境修复有限公司 | Integral intelligent high-pressure injection medical fluid automatically configures and injection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110420987A (en) * | 2019-07-31 | 2019-11-08 | 江苏大地益源环境修复有限公司 | Integral intelligent high-pressure injection medical fluid automatically configures and injection device |
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