1131 results about "Water discharge" patented technology

The invention discloses a rainstorm ground waterlogging prediction method, device, equipment and product, and relates to the technical field of urban waterlogging prediction.The rainstorm ground waterlogging prediction method comprises the steps that ephemeris and ground observation station data are obtained, the atmospheric moisture delay amount and the high-altitude water vapor conversion factor are calculated respectively, the historical water vapor content is calculated, and the future atmospheric precipitable water amount is predicted; rainfall time distribution data are obtained through rainstorm intensity decomposition; calculating the rainwater overflow amount of the catchment area in combination with the water discharge amount time distribution data of the urban drainage pipe network; and iterative calculation is carried out by using a digital elevation model grid to obtain the waterlogging depth, and waterlogging early warning information is sent out. By constraining the total rainfall amount, the rainfall amount can be effectively constrained by predicting the precipitable water amount based on the satellite ephemeris; the underground pipe network drainage is restrained, and a water flow condition in a pipe channel is simulated by adopting an SWMM model; and finally, the waterlogging accumulated water volume is calculated, constraint verification is carried out on each link of urban waterlogging, and relatively high precision and relatively long timeliness are ensured.

The invention provides an anchor-plate-injection collaborative supporting method for active water sealing. The anchor-plate-injection collaborative supporting method is applied to various laneways penetrating through water-containing stratums, especially to construction of vertical shafts constructed through a freezing method. During freezing method construction, a freezing wall is formed firstly, a section height is excavated, an anchor rod is drilled and constructed after the section height is excavated, and if water exists after excavation, forced drainage needs to be carried out to enable the displacement to be larger than the water inflow so as to ensure that no accumulated water exists on a working face; the steel plates are fixed through anchor rods, so that grouting gaps are formed between the steel plates and the well wall; a gap between the bottom edge of the steel plate and the well side is blocked by a certain height through foam; grout is injected through a grouting pipe on the lower portion of the steel plate, and a primary supporting structure is formed after solidification; secondary and more supporting can be carried out immediately or after primary supporting of multiple section heights is formed, and a permanent supporting structure is formed. A traditional passive waterproof mode is broken through, and active water plugging can be achieved; the method adapts to various construction methods and stratums; the temporary support is essentially different from a traditional anchor-shotcrete net temporary support, and the construction efficiency is higher.

The invention belongs to the technical field of mine engineering, and particularly discloses a dynamic simulation method for water inflow attenuation in the construction process of a water cut-off curtain of a strip mine. The method comprises the following steps: acquiring meteorological data according to the position of a strip mine, acquiring a hydrogeological structure in combination with drilling data, acquiring hydrogeological parameters by using a water pumping test, and acquiring a source convergence item according to water pumping and drainage; the method comprises the following steps: constructing a hydrogeological model by adopting MODFLOW-USG, constructing a mine pit drainage mathematical model and a mine pit drainage model, setting source sink items and boundary conditions, and realizing dynamic simulation based on python; a PEST calibration model is adopted, parameters are subjected to standardization processing, a random forest substitution model is constructed, SHAP values of all the parameters are analyzed and calculated and normalized to obtain global importance indexes, and the model is optimized; and evaluating the optimized model by adopting NSE, KGE and RMSEs. The method has the advantages of being high in model precision, clear in parameter physical significance and capable of being corrected with measured data in real time.

The invention provides an efficient softening and hardness-removing process for a high-hardness water body, which is applied to the technical field of water body purification. The efficient softening and hardness-removing process comprises a pretreatment mechanism, a softening reaction mechanism, a flocculent precipitation mechanism and a sludge closed-loop treatment mechanism which are sequentially connected along a water body treatment flow direction, the efficient softening and hardness-removing process for the high-hardness water body comprises the following raw water treatment steps: S1, treating raw water by virtue of the pretreatment mechanism, so as to obtain ultrafiltration effluent; and S2, the ultrafiltration effluent enters the softening reaction mechanism, and under the control of the electric cabinet control mechanism, chemicals are added for softening and flocculation reaction. The total hardness removal rate can reach more than 90% through accurate addition of the medicament, two-stage pH control and optimization of reaction conditions, which is far superior to that of a traditional resin ion exchange method, the influence of high-hardness water discharge on receiving water is reduced, ecological and health problems caused by excessive hardness of the water are avoided, and the harsh requirements of industrial production and environmental protection on soft water are met.

The invention relates to the technical field of wastewater treatment, and discloses a heavy metal wastewater treatment method and system.The method comprises the steps that the concentration, pH value, temperature and conductivity data of heavy metal ions are collected in real time through multiple types of sensors arranged in a wastewater pipe network and a treatment station, and standardized treatment is conducted; inputting the standardized data into a prediction algorithm unit, executing multi-parameter fusion analysis, and generating a concentration prediction result and a processing agent dosage; the coagulation reactor and the sedimentation tank are controlled to operate according to the prediction result, and chemical sedimentation and concentration of the heavy metal ions are achieved; the treated wastewater is deeply purified through adsorption, ion exchange and filtering processes, the final discharged water quality is obtained, the treatment efficiency is fed back, and closed-loop optimization control is formed. The system comprises a data acquisition and pretreatment module, a prediction and addition control module and a reaction and purification execution module, can realize automatic and intelligent optimization control of the wastewater treatment process, and remarkably improves the effluent standard-reaching rate and the system stability.

The utility model provides a swimming pool cleaning robot, and relates to the technical field of swimming pool cleaning. The swimming pool cleaning robot comprises a main body, a water absorption assembly, a walking assembly, a transmission assembly and a front rolling brush, the walking assembly comprises front walking wheels and a driving assembly, the front walking wheels are arranged close to the front end of the main body, the front rolling brush has a first state and a second state, and in a robot pool wall cleaning mode, when the main body moves to a pool wall, the driving assembly drives the front walking wheels to rotate. The water discharge amount of the water absorption assembly is reduced or closed until the driving assembly drives the front rolling brush to be switched from the first state to the second state. According to the swimming pool cleaning robot provided by the invention, the situation that the contact area between the front rolling brush and the to-be-cleaned surface is reduced after the front rolling brush encounters the pool wall and the head upwarps can be avoided, and particularly when the swimming pool cleaning robot is switched to the pool wall from the pool bottom, the contact area between the front rolling brush and the to-be-cleaned surface can be effectively increased according to the technical scheme, so that the cleaning efficiency of the swimming pool is improved. And a dead angle area between the pool bottom and the pool wall is better cleaned, so that the overall cleaning effect is improved.

The invention relates to the technical field of flow field dynamic simulation, and particularly provides a drainage test data fused underground water flow field dynamic simulation method and system near a fault, and the method comprises the steps: generating a fault three-dimensional water conductivity parameter field according to transient water level response data of a monitoring well in a drainage test; realizing conversion of dynamic data of the exploration method to a fault non-uniform quality model; integrating migration path data of a tracing test, fracture network geometric data of ultrasonic logging and a fault three-dimensional water conductivity parameter field, and constructing a heterogeneous graph structure taking a fault as a core node; establishing association between the multi-modal exploration data and the dynamic representation of the fault structure; and outputting a high-resolution spatio-temporal evolution graph of the flow field parameters of the fault disturbance area in the future period, and realizing dynamic visual closed-loop feedback of the flow field near the fault driven by real-time data of the exploration method. The system comprises a data conversion module, a representation association module and a closed-loop feedback module. According to the invention, a breakthrough from static description to dynamic simulation of the flow field near the fault is realized.

The invention discloses a drainage pipe network displacement regulation and control method and system and a storage medium, and belongs to the technical field of urban drainage management. The method comprises the following steps: constructing a topological structure model of a drainage pipe network in a target area; acquiring the flow velocity and pressure of each node on the topological structure model to construct a pressure wave calculation model; determining the total pressure of each node according to a pressure wave calculation model; determining the displacement of each node according to the total pressure of each node; determining the water level of each node according to the displacement of each node; determining the maximum safe displacement of each node according to the total displacement of all nodes of the drainage pipe network within the target duration and the water level of each node; and adjusting the displacement of a pump station on the upstream of the drainage pipe network according to the maximum safe displacement of each node. By simulating the propagation and superposition effect of the pressure waves, global optimization regulation is realized, the problem of downstream overflow caused by upstream drainage is avoided, and the operation efficiency and safety of the drainage pipe network are improved.

To provide a cooling system for a firefighting robot that maximizes the efficiency of water spraying activities while ensuring continuous operation in high-temperature environments. [Solution] The robot comprises a water supply unit that receives water supplied from an external water source, a water flow distribution means that distributes the water supplied from the water supply unit for water spraying and cooling, a water discharge means that discharges the distributed water for water spraying toward the fire site, a cooling circulation circuit that circulates the distributed cooling water to heat-generating components inside the robot, a flow control means that controls the flow rate ratio for water spraying and cooling in the water flow distribution means, a temperature sensor that detects the internal temperature of the robot, and a control device that controls the flow control means based on a signal from the temperature sensor.

The embodiment of the invention provides a water and sediment concentration and water quality multi-index automatic monitoring and analyzing device for a southern Xinjiang canal system, and relates to the technical field of environment monitoring. Comprising a steel rope connecting ring, the outer wall of the steel rope connecting ring is rotatably connected with a collecting frame, and the bottom of the collecting frame is fixedly connected with a counterweight circular plate. The rotating rod drives a driving bevel gear to rotate, the driving bevel gear drives a driven bevel gear and the rotating rod to rotate, the rotating rod drives a propeller to rotate, the propeller sucks water into a pressure suction cylinder through a filtering water inlet pipe so that the gravity of the device can be increased, redundant water is discharged out of a water discharging pipe, and through propelling force generated by discharged water flow, the water is discharged out of the water discharging pipe. The equipment can accelerate the settling velocity and quickly reach a predetermined detection water area, so that the sampling time is greatly shortened, and the working efficiency is also remarkably improved.

The invention provides an integrated nanofiltration combination device for high-quality drinking water treatment and a treatment method, and belongs to the technical field of water treatment. The problems of low utilization rate of water resources and high risk of concentrated water discharge in high-quality drinking water treatment of a nanofiltration technology are solved. The nanofiltration combination device comprises a water inlet tank, a nanofiltration module, a concentrated water tank, an ultrasonic disperser, an induced crystallization fluidized bed, a softening agent tank and an antisludging agent tank, the water inlet tank is connected with the nanofiltration module, a treated water outlet of the nanofiltration module is connected with a water outlet pipe, a nanofiltration concentrated water outlet of the nanofiltration module is connected with the concentrated water tank, and the antisludging agent tank is connected with the concentrated water tank. The concentrated water tank is connected with the ultrasonic disperser, the ultrasonic disperser is connected with a water inlet of the induced crystallization fluidized bed, the softening agent gallipot and the scale inhibitor gallipot are respectively connected with the induced crystallization fluidized bed, and a water outlet of the induced crystallization fluidized bed is connected with the water inlet tank. The device is mainly used for high-quality drinking water treatment.

The invention relates to the technical field of drainage engineering, in particular to an intelligent water disaster emergency drainage device capable of automatically adjusting the drainage rate, the intelligent water disaster emergency drainage device comprises a box body and an adjusting system used for controlling the device to operate, the box body is communicated with a water inlet pipe and a plurality of water outlet pipes, and a filtering assembly used for intercepting silt is arranged in the box body. The filtering assembly comprises a partition plate fixedly connected to the inner wall of the box body, the water inlet pipe communicates below the partition plate, and the water outlet pipe communicates above the partition plate; the top of the partition plate communicates with a center screen and a plurality of movable screens. The joints of the water inlet pipe and the box body and the joints of the water outlet pipe and the box body communicate with electromagnetic valves. The adjusting system is further used for controlling opening and closing of the corresponding electromagnetic valves according to the needed water discharge amount. Through the integrated design of all the components, the silt treatment flow of intercepting, cleaning and discharging is formed; manual intervention is reduced, and screen maintenance is synchronously completed in the drainage process.

The application belongs to the technical field of drain valves, and discloses a time-delay valve core, a time-delay drain valve applying the same and a sanitary ware, wherein the time-delay valve core comprises: a body provided with a water inlet area, a water control flow channel and a water passing area, the water control flow channel being communicated between the water inlet area and the water passing area; a first adjusting member rotatably installed on the body, the water control flow channel being configured to change the water discharge flow to the water passing area with the rotation of the first adjusting member; and according to the water discharge requirement of a product, the water discharge flow of the water control flow channel is adjusted by using the first adjusting member, so that the adjustment of multiple water efficiency is realized, and the time-delay valve core is suitable for different water products. The whole structure is simple, the adjustment is convenient, and the applicability is wide.

The application discloses a kind of substation flood intelligent monitoring method and system, it is related to electric power system safety monitoring field.The method is by building the multi-dimensional influence factor library including the bottom elevation of discharge port and pipe network permeation loss, combined with rainfall forecast executes dynamic water balance deduction, deduce according to the dynamic correction soil infiltration capacity of early rainless days, and according to the effective pressure difference of water level and the bottom of discharge port calculates net drainage capacity;Based on the deduction result, water level height field is generated by combining three-dimensional digital model for waterlogging overflow distribution;According to water level height field and equipment elevation, determine the flooding risk, and generate dispatching instruction by taking water center as target and combining prohibited operation area to optimize equipment layout coordinates;Through man-machine interaction correction parameter and trigger GPU acceleration recalculation to realize model online evolution.The application realizes the physical mechanism simulation and space intelligent scheduling under the microscale of substation, changes passive alarm into active risk deduction.

A liquid leakage detection and drainage system comprises a water retaining strip (1) which is arranged on a floor in a fire extinguishing system concentration area and forms a closed liquid accumulation area with the floor; the two leakage detection assemblies (2) comprise the upper leakage detection assembly (2B) and the lower leakage detection assembly (2A) and are arranged on the inner wall of the water retaining strip (1) in the vertical direction and parallel to a floor, the lower leakage detection assembly (2A) is arranged at the position where the water retaining strip (1) makes contact with the floor, and the upper leakage detection assembly (2B) is arranged at the position, away from the floor by the height (H), of the water retaining strip (1); a drainage rod (5); and the liquid discharge pipe (3) is arranged between the liquid accumulation area and the water discharge rod (5). The system is capable of collecting leaked liquid by using a water retaining strip, performing leakage detection by using a leakage detection assembly, and providing a combined alarm scheme according to allowable direct drainage flow during flight.

The utility model relates to ship transfer technology field, and the utility model discloses a ship ballast water receiving port and discharge port outboard quick docking structure, semicircular electric permanent magnetism sucking disc is fixedly arranged at the end of support, and with the steel flange fixedly covered on the outside wall of transfer joint of transfer pipe is set up magnetically, underwater camera is several, and all are fixedly arranged on semicircular electric permanent magnetism sucking disc, inflatable seal ring is fixedly covered on the outside wall of transfer joint of transfer pipe, and the outside wall of inflatable seal ring and the inboard wall of ballast water discharge pipe's port are set up and move and resist the contact, positioning locking hydraulic cylinder assembly sets up on the transfer joint of transfer pipe, guarantee the transfer head of transfer pipe and the discharge port of ballast water discharge pipe's docking precision and fast, and can fix transfer pipe in the ballast water discharge pipe outside the outboard, ensure that the outward propelling force that discharges ballast water in cabin can not move transfer pipe, guarantee that ballast water is safely transferred to the shore.

The utility model provides a drip irrigation emitter for blueberry planting, which relates to the technical field of blueberry planting and comprises a water tank and a cover plate. The water containing tank is fixedly arranged in soil and is provided with a plurality of water outlet holes; the cover plate is rotatably arranged on the water containing tank in a covering mode and provided with a plurality of plugs, the cover plate is rotated to drive the plugs to plug different numbers of water outlet holes, and a multi-gear water outlet amount adjusting structure is formed. The water containing tank and the cover plate are annular and hollow in the middle, a plurality of inserting rods used for being inserted into soil are arranged at the bottom of the water containing tank, blueberry plants are arranged at the hollow positions of the water containing tank and the cover plate in a sleeving mode, the inserting rods are inserted into the soil, and water outlet holes in the bottom of the water containing tank are formed around the plants. The water can be adjusted according to different plant water demands, and the operation is simple and convenient.

According to the intelligent constant-temperature water valve based on the AI small model and the control method of the intelligent constant-temperature water valve, the temperature of a cold water inlet and the temperature of a hot water inlet are monitored in real time through multiple temperature sensors, the opening degree of a valve element is dynamically adjusted in combination with an intelligent sensing AI small model algorithm, and a cold water pre-discharging module is integrated to solve the problem of initial cold water waste; pure temperature feedback closed-loop control is adopted, and the problem of unstable temperature caused by water pressure fluctuation is solved; real-time parameters are introduced for the AI small model through nonlinear flow monitoring and sensor hardware, the parameters are intelligently adjusted in combination with the neural network technology, and the adjusting precision and the multi-scene application capacity are improved. In addition, the cold water pre-drainage module triggers drainage through a temperature difference threshold value, water resource waste is reduced, and the system is suitable for the fields of household shower, commercial hot water systems and the like and has the advantages of being high in cost performance and intelligent.

This product is a watering nozzle head that can discharge water from the water inlet at the tip when connected to a water supply hose. The water flow can be turned on or off by operating the lever. The water discharge volume can be switched by rotating the dial.

The application discloses a method for simultaneously strengthening phosphorus removal and nitrogen removal by using an anaerobic-aerobic granular sludge reactor, and specifically comprises the following steps: adopting an anaerobic-aerobic operation mode to form aerobic granular sludge with biological phosphorus removal capacity in a sequencing batch reactor; sequentially performing an anaerobic water feeding stage, an aerobic stage, a sedimentation stage and a water discharge stage in each operation cycle; wherein the multi-point layered water feeding mode is adopted in the anaerobic water feeding stage; the wastewater to be treated is fed from the bottom and the middle of the granular sludge layer, wherein the water feeding amount at the bottom of the granular sludge layer accounts for 70-90% of the total water feeding amount; the intermittent aeration mode is adopted in the aerobic stage, each intermittent aeration cycle comprises an aeration period and a non-aeration period, and the time ratio of the single aeration period to the single non-aeration period is 2-3:1. By operation regulation, a microenvironment conducive to denitrification and phosphorus precipitation is constructed inside the aerobic granular sludge, carbon source competition can be effectively alleviated, phosphorus removal pathways are expanded, and the synergistic strengthening of the nitrogen removal and phosphorus removal processes is promoted.

The invention discloses a tunnel body primary support method for water-rich surrounding rock, which comprises the following construction steps: S1, carrying out advanced geological forecast on a water-rich tunnel to be constructed to obtain geological conditions of the tunnel; if the geology is rich in water, continuing, and if the geology is not rich in water, ending; s2, a plurality of drainage holes are formed in the tunnel face in the tunnel excavation direction; s3, a plurality of grouting guide pipes and / or a plurality of mortar anchor rods are / is arranged near the contour line of the tunnel in the tunnel excavation direction; s4, tunnel excavation; s5, primarily spraying concrete; s6, arch frame construction; s7, monitoring a water leakage position, covering the water leakage position with a waterproof plate, and reserving a water collection cavity between the waterproof plate and the water leakage position of the sprayed surface; s8, a drainage blind pipe communicated to the water collecting cavity is arranged, and the water collecting cavity at the water leakage position of the outer cover is merged into a drainage system of the water-rich tunnel through the drainage blind pipe; s9, tunnel body anchor rod construction; s10, re-spraying concrete; the working environment can be improved, the tunnel body construction condition is improved, and then the construction progress is guaranteed.

The invention relates to a whole-house zero-cold-water control system, which is characterized in that a hot water pipe network residual water recovery and storage functional module is arranged in parallel between normally closed electromagnetic valves (14) and (18) arranged on an outlet pipeline of a water heater (2). After a user uses hot water and closes a water mixing valve, when the temperature of residual water in a hot water pipe network is reduced to a set range of a temperature sensor (19), a controller (6) opens an electromagnetic valve (18) and a one-way electromagnetic valve (17), a two-way water pump (16) is started to run forwards, under the action of atmospheric pressure, one-way valves (13) and (5) are opened, and all residual water in the hot water pipe network is recycled into a water storage tank (7). The hot water pipe network in which the residual water is emptied waits for the next use of the user. When the user opens the faucet (or the shower head) again to use hot water, the hot water flows out of the faucet (or the shower head), and zero cold water outlet is achieved. In the hot water using process, the controller (2) starts the two-way pump (16) to operate reversely, and recycled residual water stored in the water storage tank (7) flows into the hot water pipeline (21) through the one-way throttle valve (15) to be recycled. Zero cold water discharge is realized, and water resources are saved.

The utility model relates to the technical field of wastewater treatment, and particularly discloses a heat pump system with a separator. A water collecting screen; and a driving mechanism. A plurality of baffle plates alternately and intermittently rotate downwards and are matched with elastic rotation of an upper baffle plate, so that the baffle plates rotate upwards after rotating downwards, the baffle plates shake in the process, and water intercepted by the baffle plates and a water collecting net plate falls down, flows along the baffle plates and is finally discharged from a water discharging pipe; in this way, water can be effectively prevented from being attached to the surfaces of the baffle plates and the water collecting net plates, dried steam is prevented from touching the water again to become wet steam, the steam exhausted from the exhaust pipe is kept in a dry state, and the heat conduction performance and the heat exchange efficiency of the steam are prevented from being reduced.

The item related to this design is a water outlet, and the hot and cold water discharge pattern can be switched by moving the operating part.

The utility model provides a backwashing drainage structure of a filter, and relates to the technical field of filters. Comprising a filter body, a blow-off pipe, a flow dividing pipe and a mounting cylinder, a supporting frame is arranged on the inner wall of the blow-off pipe, a bearing is arranged at the top end of the supporting frame, fan blades are arranged in the bearing in a penetrating mode, a mounting frame is arranged on the outer side of the mounting cylinder, a brush is arranged on the outer side of the mounting frame, and the brush makes contact with the inner wall of the blow-off pipe. According to the utility model, the fan blades, the brush and other components are arranged, so that water flow discharged by flushing water can push the fan blades in the blow-off pipe to rotate during backwashing drainage of the filter body, and the rotation of the fan blades can drive the brush to rotate in the blow-off pipe; the brush can be used for rotatably cleaning the inner wall of the blow-off pipe during the backwashing drainage period of the filter body, so that the residual quantity of impurities on the inner side of the blow-off pipe is reduced, and the influence on the blow-off efficiency of the filter body due to blockage or narrowing of the blow-off opening is reduced.

The invention relates to the technical field of shale gas exploitation, in particular to a multifunctional system for water removal, sand removal and cooling of shale gas. According to the technical scheme, the device comprises a baffle separation device, a flow collection bin, a water removal bin, a sand setting chamber and a water storage bin; a sand discharging bin and a sand removing bin are arranged in the baffle separation device, a movable bin door is arranged between the sand discharging bin and the sand removing bin, the sand discharging bin is connected with the flow collecting bin through a first exhaust pipe, and the sand discharging bin is connected with the sand settling chamber through a first drainage pipe; one side of the collecting bin is connected with the water removal bin through a second exhaust pipe, and the bottom of the collecting bin is communicated with the sand setting chamber through a second drainage pipe; a molecular sieve is arranged at the top of the dewatering bin which is connected with the sand setting chamber through a second air inlet pipe. Water removal, sand removal and cooling treatment of the shale gas can be efficiently achieved at the same time, the situation that only one problem can be solved in the past is changed, and the shale gas treatment efficiency and quality are greatly improved.

The invention discloses efficient water pumping equipment utilizing marine environment energy, and belongs to the field of marine engineering equipment. The equipment comprises a high-pressure gas supply assembly, a guide column connected to the seabed, a middle buoy connected to the guide column in a sliding mode, and an upper telescopic cylinder and a lower telescopic cylinder which are connected to the top and the bottom of the middle buoy respectively. The high-pressure gas supply assembly can convert wind energy, solar energy, tidal energy or wave energy into compressed air and store the compressed air. The middle buoy can change the resultant force of the gravity and the buoyancy by utilizing the rising and falling of tides or through the charging and discharging of high-pressure gas and the change of the water discharging and absorbing capacity of the middle buoy, the middle buoy is acted to slide along the guide post, and the upper and lower telescopic cylinders are respectively driven to alternately pump water by the up-down movement of the middle buoy. By filling or discharging high-pressure gas into or out of the middle buoy, the buoyancy and gravity balance of the middle buoy can be actively adjusted, so that the movement frequency of the middle buoy is greatly increased, the tidal cycle limitation is broken through, and all-weather, high-frequency and efficient water pumping operation is achieved in combination with the marine environment energy storage condition.

The application provides a compact dolomite reservoir composite acid fracturing process parameter evaluation system and method, which comprises a simulated fracture device, an acid injection device and a circulating water injection device. The acid injection device comprises an acid storage container, an acid injection pipeline and an acid discharge pipeline. The acid injection pipeline is connected to the acid storage container and the acid injection liquid inlet hole of the simulated fracture device at both ends. The acid discharge pipeline is connected to the acid injection liquid outlet hole of the simulated fracture device. The circulating water injection device comprises a water storage container, a water inlet pipeline and a circulating water discharge pipeline. The water inlet pipeline is connected to the water storage container and the water injection liquid inlet hole of the simulated fracture device at both ends. The circulating water discharge pipeline is connected to the water injection liquid outlet hole of the simulated fracture device and the water storage container at both ends. The application adopts reverse thinking to evaluate the composite acid fracturing process parameters such as the preflush / acid viscosity ratio, the pump injection displacement and the alternating series by taking the fractal dimension, the acid volume, the flow conductivity and the acid fluid loss as the targets, and is more specific and systematic.

The utility model provides an automatic cleaning water index monitoring device for a CO2 washing tower. The automatic cleaning water index monitoring device comprises a washing tower body, the waste gas pipeline is vertically arranged in the center of the upper end of the washing tower body; a waste gas inlet is formed in the edge of the upper end of the washing tower body, at least one cleaning water discharging pipeline and one cleaning water input pipeline are arranged on the outer wall of the bottom of the washing tower body, the CO2 washing tower is adopted to automatically monitor the cleaning water index device, and a monitoring frame in the washing tower body is driven by a driving cylinder to move up and down in a reciprocating mode; the monitoring frame moving up and down in a reciprocating mode can comprehensively monitor cleaning water, the monitoring precision is improved, efficient detection is carried out through a turbidity detector and a conductivity instrument arranged on the monitoring frame, when data reach a set value, an electric signal is sent to a digital display control panel, the digital display control panel controls an electromagnetic valve to be opened, and then the cleaning water is monitored. Cleaning water is introduced and discharged, so that the cleaning water meets the monitoring requirement, and the CO2 cleaning effect is ensured.

The utility model relates to a cleaning tool for a flat mop. The cleaning tool comprises a cleaning barrel, a mop head and a wiping object, the cleaning device is characterized in that the cleaning barrel comprises an outer barrel, a clean water barrel and a cleaning barrel, the outer wall of the cleaning barrel abuts against the inner wall of the corresponding side of the outer barrel through a stopping part, the outer barrel supports the clean water barrel and the cleaning barrel, the top end of the clean water barrel is closed, the clean water barrel and the cleaning barrel are communicated through a water supply channel, and the water supply channel is controlled by a switch to be opened and closed. The inlet end of the water supply channel is located at the bottom of the clean water barrel or the lower portion of the surrounding body, a height distance exists between the outlet end of the water supply channel and the bottom of the cleaning barrel, a water squeezing plate is arranged on the cleaning barrel, the corresponding inner wall of the cleaning barrel supports a back plate of the mop head, and a drainage channel and a water return channel are formed above the water squeezing plate. And the water backflow direction and the water discharge direction are opposite to each other. In the cleaning process, the back plate of the mop head is supported by the corresponding inner wall of the cleaning barrel, the force of the water squeezing plate for squeezing and scraping the wiping object can be ensured, and the water squeezing effect is better.