52 results about "Groundwater quality" patented technology

The invention discloses a sea-land interaction zone chemical industry park groundwater pollution early warning index determination method and system, and the method comprises the steps: building a pollutant directory according to the hydrogeological conditions of a chemical industry park, and dividing the pollutant directory into inorganic pollutants and organic pollutants; constructing an entropy weight method-mathematical fuzzy evaluation model to carry out comprehensive evaluation on the inorganic pollutants to obtain an index sequence of the inorganic pollutants; evaluating the exposure potential EP and the toxicity potential HP of the organic pollutants according to the actually measured data of the organic pollutants and considering various evaluation parameters of the organic pollutants; obtaining final organic pollution indexes according to the EP and the HP of the organic indexes, and sorting the final organic pollution indexes; and according to the sorting result of the inorganic pollution indexes and the organic pollution indexes, determining the early warning indexes of the inorganic and organic pollutants in the underground water in the chemical industry park by combining the underground water quality standard. According to the method, objectivity and scientificity of pollutant identification are improved, and the problems that current pollution index selection is high in subjectivity, single in evaluation dimension, poor in regional applicability and the like are solved.

The application discloses a kind of deep groundwater quality on-line monitoring equipment, belong to water quality monitoring equipment technical field.It mainly aims at the problem of low efficiency of existing product detection, and proposes the following technical scheme, including monitoring cabinet and touch display screen, and the beam, water pump, control unit and water quality monitoring unit arranged in the monitoring cabinet.The application realizes sampling detection of water resources entering the monitoring pool by the detection mechanism in the water quality monitoring unit cooperating with the driving mechanism, and the detection component in the detection mechanism realizes interception of water resources in a small space, so that the standing time of water resources is shortened before detection, and the efficiency of water resource detection is further accelerated by the mutual switching adjustment between multiple detection components, and the water pump does not need frequent start-stop operation, prolongs its service life, avoids the configuration of control valve, reduces equipment cost, and the configuration of related control program is convenient for the promotion of equipment.

To provide a method for evaluating carbon dioxide fixation filler suitable as a technique for evaluating the long-term durability of carbon dioxide fixation filler to be placed in abandoned tunnels of closed and abandoned mines, and to provide an analysis method and analysis program applicable to said evaluation method. [Solution] One aspect of the present invention is a method for analyzing carbon dioxide fixation filler, which is a method for evaluating filler placed in an underground space, in which the filler is a carbon dioxide fixation material containing carbonate produced by reacting a starting material with carbon dioxide, and the method acquires physical quantities indicating the quality of the groundwater present in the target underground space, the temperature and depth of the underground space, the amount of carbonate contained in the filler, the dissolution rate of the filler in groundwater, the specific surface area of ​​the filler, and the ratio of the amount of groundwater inflowing into contact with the filler to the amount of filler, and analyzes changes in the amount of carbon dioxide fixation by the filler over time based on the acquired physical quantities, temperature and depth, amount of substance, dissolution rate, specific surface area, and ratio.

The embodiment of the invention discloses a water resource quality detection method and device applied to a water diversion project and electronic equipment. A specific implementation mode of the method comprises the following steps: performing water quality detection on a water area where a water diversion project is located to obtain an earth surface water quality data set and an underground water quality data set; constructing an earth surface data structure network according to a pre-constructed water area simulation model and an earth surface water quality data set; constructing an underground data structure network; performing water pollution detection on the water area to generate an earth surface water quality detection result set and an underground water quality detection result set; performing correlation analysis on the surface water resources and the underground water resources of the water area to generate water pollution correlation characteristics; determining a surface water pollution area and an underground water pollution area of the water area; and determining the surface water quality detection result set, the underground water quality detection result set, the surface water pollution area, the underground water pollution area and the water pollution correlation characteristics as water resource quality detection results. According to the embodiment, the accuracy of the water area overall quality detection result can be improved.

The invention discloses a wetland groundwater quality environment monitoring method and system, and relates to an image processing and data processing technology, and the method comprises the steps: integrating an imaging probe to an induction buoy, and carrying out the vertical arrangement of the induction buoy in a groundwater monitoring well; acquiring effective water level data of each underground water monitoring well based on the sensing buoy chain at any monitoring moment; image acquisition is carried out by utilizing the triggered imaging probes in the induction buoy chain; according to the image data acquired at each water level, extracting morphological characteristics of the particulate matters retained in the image data at different water levels; identifying particulate matter types under different water levels according to the extracted morphological features; and based on the obtained effective water level data, establishing a corresponding longitudinal coordinate so as to establish a current water level-water quality correlation map according to the identified particulate matters. According to the invention, the water quality of the wetland underground water can be detected in a more intuitive manner, so that the monitoring efficiency of the underground water is improved.

The invention relates to the technical field of underground water quality analysis, in particular to a quantitative sampling device for underground water quality analys.The quantitative sampling device comprises a water diversion mechanism, a standing detection mechanism is arranged on the side face of the water diversion mechanism, and the standing detection mechanism communicates with the interior of the water diversion mechanism; a separable pre-embedded water diversion mechanism is arranged at the bottom of the water diversion mechanism, the pre-embedded water diversion mechanism communicates with the interior of the water diversion mechanism, and quantitative extraction equipment is arranged on the front face of the water diversion mechanism. During use, the drainage pipe and the sampling pipe are arranged on the two symmetrical faces of the flow dividing bin respectively and used for being connected with an external pump and a standing detection mechanism, underground water can be guided into the flow dividing bin to make contact with a probe of the standing detection mechanism, and real-time detection analysis is achieved; the quantitative water taking pump quantitatively pumps deep underground water through the spring pipe for detection and analysis, and the effect that standing detection and quantitative sampling detection can be carried out at the same time is achieved.

The present invention discloses a multifunctional device for groundwater quality detection and water level measurement and a method for use thereof. One end of a probe rod is connected to the top of the connecting chamber. The probe rod is hollow and has the hollow conduit disposed therein. The upper end of the hollow conduit is connected to the air extraction device, and the lower end of the hollow conduit passes through the connecting chamber to the top of the water quality detection chamber. The bottom of the connecting chamber is openably connected to the top of the water quality detection chamber. An integrated detachable test tube bundle is disposed inside the water quality detection chamber. The lower portion of the water quality detection chamber is connected to the water intake chamber, and an integrated detachable water intake tube bundle is disposed inside the water intake chamber. A groundwater level measuring device is installed at the lower end of the water intake chamber, and an alarm device is disposed inside the water level measuring device. Advantages: The device of the present invention can simply and conveniently detect groundwater quality, measure groundwater level, and obtain groundwater samples outdoors in situ. It is simple to operate, low in cost, and widely applicable.

The invention relates to the technical field of underground water sampling, in particular to an underground water quality monitoring and sampling device which comprises a sampling box, a buoyancy component is fixedly mounted on the lower side of the sampling box, a sampling shell is fixedly mounted on the lower side of the buoyancy component, and a sampling component is rotatably mounted on the upper side of the sampling shell. An anti-turbulent flow assembly is fixedly mounted on the lower side of the sampling shell; the worm drives the worm gear to rotate, the worm gear drives the driving rod to rotate, the driving rod drives the driving gear to rotate, the driving gear drives one of the connecting gears to rotate, and therefore the multiple sets of connecting gears are driven to perform linkage movement; the six anti-spoiler plates are driven to move and are parallel to one another, large-particle sediments which do not participate in detection at the bottom of the sampling well are separated, then sampling water is sucked into the sampling well through the one-way suction nozzle, and the situation that the sampling water is mixed and polluted due to turbulent flow generated in the suction process is prevented.

The present invention discloses an experimental method for evaluating the long-term impact of chemical grouting of porous and fractured rock formations on groundwater quality, comprising the following steps: construction of a model system, pretreatment of test materials and filling of a grouting model, slurry selection and closed grouting, grouting body infiltration, and water quality analysis and hydrochemical analysis and evaluation of the filtered water. The method of the present invention has the characteristics of replaceable grouting materials and adjustable infiltration flow rate; it can realize long-term real-time dynamic monitoring and recording of infiltration flow rate through digital flow and velocity meters, and measure the permeability coefficient of the grouting body; by analyzing the water quality information of the grouting body leachate, it is possible to explore the pollution effect of grouting on the groundwater environment and the interaction between the slurry and the geological body; the method also provides a subsequent hydrochemical analysis template of the grouting body leachate, thereby constituting an indoor systematic evaluation of grouting pollution.

The invention discloses an underground water multi-pollutant rapid prediction and diagnosis system, which comprises a multi-parameter sensing and data acquisition module used for acquiring underground water quality parameters in real time; the edge pretreatment unit is used for carrying out edge pretreatment on the underground water quality parameters; the off-line synthetic data engine is used for generating synthetic training data of transient extreme working conditions; the feature engineering processing unit is used for constructing interaction features based on a geochemical mechanism; the AutoML reasoning unit is used for deducing and outputting a pollutant concentration predicted value through a model; and the physical-data dual-drive fault diagnosis module is used for diagnosing the authenticity of pollution according to three-dimensional calculation results of the physical residual calculated by the physical residual calculation unit, the mean square error of the sensor data calculated by the data reconstruction error unit and the difference between the observed value and the predicted value calculated by the statistical test unit. And judging whether to give an alarm according to the diagnosis result. According to the scheme, the specific pollutants can be accurately identified, and the authenticity of pollution can be accurately identified.

The invention discloses a water quality evolution intelligent analysis system suitable for groundwater investigation, and particularly relates to the technical field of groundwater environment evolution analysis, organizing and calling behavior monitoring of a multi-strategy prediction model is realized based on a model pool construction module, and whether the model is in a gaming polarization state is judged by combining a polarization identification module; the dynamic weight adjusting module is used for adjusting the model participation weight, the entropy constraint module is introduced for inhibiting the weight representation imbalance, the error correction module is used for dynamically feeding back and correcting the prediction error, and the path memory module is used for realizing the storage and reuse of the regulation and control strategy in the polarization state; according to the method, dynamic identification and weight adjustment control of model behavior polarization are realized by constructing a multi-strategy model pool and a polarization identification mechanism, the evolution stability of the system is guaranteed by combining entropy constraint and an error correction mechanism, and the response intelligence and the strategy reuse capability are improved by introducing a path memory module. Therefore, the accuracy, the stability and the self-adaptive capability of the groundwater quality evolution analysis are enhanced.

The utility model discloses an underground water quality detecting and sampling device which comprises a sampling component connected with a pay-off component and used for sampling underground water; the sampling assembly comprises a first electric push rod, a connecting block, a sampling rod, a sampling hole, a baffle ring and a connecting plate; a shell of the first electric push rod is fixedly connected with the sampling rod, a plurality of sampling holes which are uniformly distributed are formed in the sampling rod, and the sampling rod penetrates through a plurality of baffle rings. The utility model relates to the technical field of underground water sampling, in particular to an underground water quality detecting and sampling device which realizes automatic sampling through the cooperation of a pay-off assembly and a sampling assembly. The transverse adjusting assembly and the vertical adjusting assembly can accurately control the sampling position, so that the representativeness of the sample is ensured; automatic sampling reduces the risk that personnel directly contact a polluted water source, and the operation safety is improved.

The invention relates to the technical field of risk modeling, in particular to an intelligent risk management and control method and system for underground water pollution, and the method comprises the steps: collecting underground water quality data, and carrying out the preprocessing of the underground water quality data; based on the preprocessed underground water quality data, pollution state feature vectors reflecting pollutant concentration changes and spatial distribution features are extracted, and an underground water pollution time-space correlation model is constructed; wherein in the process of extracting the pollution state feature vector, a weighted space and time adjacent point interpolation method is used for compensating the pollution state feature vector, and a compensated pollution state feature vector is generated; and identifying the current groundwater pollution degree by using the compensated pollution state feature vector and the groundwater pollution time-space correlation model. According to the invention, through fusion of space-time dynamic modeling and a multi-source monitoring data intelligent compensation mechanism, high-precision identification of the groundwater pollution state and reliable prediction of the risk trend are realized.

This utility model relates to the technical field of water quality surveying equipment, and discloses a groundwater quality surveying and sampling device, comprising: a support frame; multiple sampling bottles mounted on the support frame and arranged in a circumferential array, each sampling bottle including a bottle body and a cap detachably connected to the bottle body, the cap being provided with a sealing component and a water inlet, the sealing component being able to open and close the water inlet; a rotating disk having an annular protrusion thereon, the support frame having an annular groove thereon, the annular protrusion and the annular groove being slidably and rotatably connected, the rotating disk having an opening and closing component, rotating the rotating disk selectively utilizing the opening and closing component to connect with the sealing component to open the water inlet; and a power component for driving the rotating disk to rotate. This utility model, by providing an annular groove on the support frame and an annular protrusion on the rotating disk, and by slidably and rotatably connecting the annular protrusion and the annular groove, and mounting the opening and closing component on the rotating disk, can ensure the stability of the opening and closing component during operation.

This invention discloses an information measurement device and method for the river water-groundwater conversion process in arid areas, relating to the field of water flow information measurement technology. The method involves obtaining the groundwater management area, constructing an electronic groundwater management map based on the management area, obtaining the water flow conversion route from the river water in the arid area to the groundwater location, selecting groundwater conversion information measurement points based on the water flow conversion route, marking these points in a groundwater conversion model, pre-setting groundwater quality standards based on the groundwater location and marking them corresponding to the groundwater location in the groundwater conversion model, and measuring the water quality information along the water flow conversion route based on the groundwater conversion information measurement points to obtain measurement information. The data from the entire river water-groundwater conversion process in arid areas is relatively clear and explicit, which can greatly improve the accuracy of groundwater measurement.

The invention relates to the technical field of underground monitoring well maintenance, and discloses an underground monitoring well unblocking and desilting process which comprises the following steps: S1, clogging judgment: monitoring the water level and the water quality of an underground monitoring well, and on the premise that the current underground monitoring well simultaneously meets the periodical fluctuation abnormity of the underground water level and the abnormal water quality of the underground water, determining the clogging of the underground monitoring well; verifying whether the current underground monitoring well is clogged or not through a video, and if so, carrying out the next step; s2, desilting operation is conducted, specifically, scrubbing and piston flushing are conducted on the inner pipe wall of the current underground monitoring well in sequence, and then water body replacement and washing are conducted; and S3, desilting effect evaluation: the current desilting effect of the underground monitoring well is evaluated, if the current desilting effect is judged to be unblocked, the process is ended, and if the current desilting effect is judged to be clogged, the process jumps to the step S2. In addition, the invention further discloses an underground monitoring well unblocking and desilting device which is applied to the step S2. According to the method, a complete underground water desilting and unblocking process is formed through underground monitoring well clogging judgment, desilting operation and desilting effect evaluation.

The present invention discloses a device and method for monitoring surface and groundwater in the oasis-desert transition zone. The device is provided with a monitoring pole and a monitoring well, and a pressure-type water level meter and an environmental tracer are installed in the monitoring well. A plurality of multi-function cartridges are provided for releasing the gas and collecting groundwater samples. The monitoring methods include S1, monitoring point placement, S2, dynamic monitoring, and S3, dynamic monitoring correction. The invention can realize the monitoring of surface water level, groundwater level, evaporation rate, etc., and further, environmental trend. By releasing tracers, the flow direction and velocity of groundwater can be monitored, and at the same time, the groundwater is sampled. By further monitoring groundwater quality, the surface water and groundwater quality in the oasis-desert transition zone will be improved. Realizing simultaneous, high-speed automatic monitoring of sewage water, and real-time monitoring of the changing trends of water resources in the oasis-desert transition zone. It is extremely predictable.

The invention relates to the technical field of water quality monitoring, in particular to an underground water quality layered monitoring device and method.The method comprises the steps that interlayer water quality difference degrees of all time periods are obtained according to multi-dimensional water quality parameters of all aquifers; based on the influence of the disturbance parameter of each time period on the interlayer water quality difference degree, combining the maximum water quality disturbance characteristic of each water-bearing layer to obtain the sampling risk representation degree of each water-bearing layer; according to the interlayer water quality difference degree and the water pumping rate of each time period, constructing an objective function of an ARIMA prediction model; the objective of the objective function is to maximize the predicted interlayer water quality difference degree and minimize the predicted water pumping rate; the dynamic adjustment control weight of the target function is obtained by the sampling risk representation degree; the predicted water pumping rate is obtained based on the target function minimization principle, the accuracy and reliability of the predicted water pumping rate are improved, and therefore the underground water quality monitoring accuracy is ensured.

The invention provides a groundwater pollution risk assessment method based on a groundwater environment background value, and aims to solve the problems that the influence of a natural process and human activities on a groundwater environment is difficult to discriminate in the prior art, the background value is inaccurate to determine, the risk management mode is extensive and the like. The method comprises the following steps: dividing a human activity influence area and a natural dominant area by constructing a human activity quantification model and a judgment model, and determining an underground water environment background value; introducing an underground water dynamic field activeness index, and establishing a water quality dynamic threshold model associated with the activeness; dividing main control factor subareas of different groundwater qualities according to the activeness-water quality discrimination relation and the pollution source analysis result; and the zoning result is verified by adopting methods such as isotopic tracing or specific pollutant analysis, a risk management and control strategy matched with the characteristics of each zone is provided, scientific improvement of underground water background value determination is realized, and a refined technical support is provided for underground water environment protection and restoration work.

The invention discloses a water quality-water quantity-ecology coupled groundwater environment risk early warning method, and belongs to the technical field of groundwater resource management and ecological environment protection. According to the method, an underground water environmental risk early warning PQLRT model is constructed based on five types of underground water environmental risk early warning indexes, namely an underground water pollution risk P, an underground water quality change trend Q, an underground water level change trend L, an ecological risk R and an ecological evolution trend T; giving grade values 1-3 to the five types of early warning indexes respectively; carrying out weighted summation on the five index equal weights to form an underground water environment risk score; and according to the underground water environment risk score, an equal-distance grading method is adopted to divide into five early warning levels: no alarm, light alarm, medium alarm, heavy alarm and huge alarm. According to the invention, based on multi-source data fusion and factor weight construction, multi-dimensional risk identification, graded early warning and driving element determination of underground water environment risks are realized, and technical support is provided for sustainable utilization and ecological safety management of underground water resources.

The invention provides lithium type physiotherapy water and a preparation method thereof, and belongs to the field of health care. The preparation method of the lithium type physiotherapy water comprises the following steps: (1) taking thermal spring water, and adjusting the pH value to 5-8; and (2) evaporating and concentrating the thermal spring water of which the pH is adjusted in the step (1) to 10-50 times of concentration multiple, so as to obtain the lithium type physiotherapy water. According to the lithium type physical therapy water, the hot spring is used as a raw material, and the lithium type physical therapy water meeting the physical therapy hot mineral water standard is prepared by adopting a specific method. The lithium type physical therapy water has high physical therapy component and beneficial component content, and has great potential in physical therapy effect; meanwhile, the lithium-type physical therapy water meets the IV-class standard of the underground water quality standard, and is good in safety when being used as bath water. The invention provides more hot spring utilization forms, can expand the utilization way of hot spring resources, and has a good application prospect.

The present application provides a kind of fracturing fluid drilling fluid spectral detection method, comprising the following steps: step 1, different concentration fracturing fluid and drilling fluid are matched out;Step 2, the absorption spectrum of different concentration fracturing fluid and drilling fluid is obtained;Step 3, based on partial least squares regression method, the absorption spectrum and concentration of different concentration fracturing fluid and drilling fluid are used to establish the inversion model of absorption spectrum and concentration to principal component;Step 4, the content of fracturing fluid and drilling fluid in the liquid to be measured is detected by inversion model.The present application uses absorption spectrum to quantitatively detect the content of fracturing fluid and drilling fluid in groundwater, which is beneficial to provide effective data basis for groundwater source fracturing fluid and drilling fluid pollution degree evaluation and timely management, can overcome the problem of difficult groundwater quality detection after shale gas exploitation, has the characteristics of short time consumption, low cost, small workload and sustainable detection.

The utility model relates to an underground water quality surveying and sampling device which comprises a sampling pipe, a conical pipe bottom fixedly connected to the bottom of the sampling pipe, a water inlet pipe fixedly connected to the bottom of the conical pipe bottom, a hollow screw-in valve element in threaded connection with the bottom end of the water inlet pipe, a valve ball arranged at the top of the screw-in valve element, and an elastic assembly abutting against the valve ball and arranged in the conical pipe bottom. The screw-in valve element is screwed in to push the valve ball to compress the elastic assembly to adjust the water inlet pressure. According to the underground water quality surveying and sampling device, the screwing-in valve element capable of screwing in and adjusting the elastic assembly is used for adjusting the water pressure resistance of the valve ball, so that a water sample can eject the valve ball open to enter the sampling pipe only when the target depth is reached in water, deep water sample collection is achieved, and the water quality surveying accuracy is improved.

The invention relates to the related technical field of water quality exploration, in particular to a water quality exploration device for mining exploration, which comprises a sampling cylinder, the connecting shell is fixedly connected to the top of the sampling cylinder; the connecting rope is arranged at the top of the connecting shell; the hole body is formed in the outer side of the sampling cylinder; the liquid discharge pipe is arranged on the outer side of the sampling cylinder; by changing the position of the groove body, when the sampling cylinder is located in underground water layers with different depths, underground water samples are collected and stored respectively, subsequent detection of underground water quality is facilitated, and the sampling and surveying efficiency of underground water in a mining area is improved; by arranging the limiting groove, the sampling barrel and the balancing weight can be conveniently connected or detached, and later maintenance is facilitated; when the sampling cylinder is connected with the balancing weight, the positioning rod has a limiting effect on the round head rod, so that the height of the partition plate and the height of the cover body are locked, otherwise, when the sampling cylinder and the balancing weight are disassembled, locking on the height of the partition plate is canceled, and the partition plate is convenient to disassemble and replace.

The present application relates to a kind of soil and groundwater remediation system and method, system includes remediation medium conveying device, remediation medium injection device and groundwater extraction dynamic sensing device;Remediation medium conveying device includes medicament delivery unit and compressed air delivery unit;Remediation medium injection device includes pressure hose, porous pipe and propelling injector, pressure hose one end is connected medicament delivery unit and compressed air delivery unit, the other end is connected propelling injector, porous pipe is inserted into the contaminated underground soil layer area to be repaired, propelling injector is arranged in porous pipe;Groundwater extraction dynamic sensing device includes groundwater extraction well, dry contact liquid level meter and integrated online detection control cabinet.Compared with prior art, the present application realizes soil groundwater in-situ medicament injection repair, aeration repair and other multi-method switching, can dynamically perceive groundwater quality and hydrogeological condition, realizes the balanced circulation repair of soil and groundwater.

The utility model provides an underground water quality pollution monitoring and sampling device, which relates to the technical field of sampling equipment, and comprises a machine body, a storage box is arranged on one side of the machine body, a connecting pipe is arranged on one side of the machine body, a hose is arranged on one side of the connecting pipe, and a sealing lantern ring is arranged on one side of the hose. A draw-off pump is arranged on one side of the sealing lantern ring, a reinforcing device is arranged on the side, close to the hose, of the draw-off pump, a supporting device is arranged on one side of the machine body, the reinforcing device comprises a circular ring, the circular ring is fixedly arranged on the surface of the draw-off pump in a sleeving mode, and two screw hole rods are symmetrically and fixedly connected to the surface of the circular ring; according to the utility model, the joint of the hose and the draw-off pump can be reinforced by arranging the reinforcing device, so that the situation that the normal sampling is influenced by the dropping of the draw-off pump due to the looseness of the joint of the hose and the draw-off pump under stress is reduced, and the connection strength and stability of the hose and the draw-off pump are improved.

The present application belongs to the technical field of tailings pond engineering test, and particularly relates to a tailings pond engineering anti-seepage simulation test device and method, which comprises a test box, and a curtain grouting assembly is detachably arranged in the test box; the curtain grouting assembly comprises a steel pipe with holes and a plunger, and the steel pipe on the upper side of the plunger is filled with hot melt; the steel pipe with holes is embedded in a mountain model at dam foundation and dam shoulder positions; a seepage interception dam model is arranged on the mountain model downstream of a tailings pond initial dam model; a groundwater quality monitoring well model is arranged on the mountain model downstream of the seepage interception dam model; when the plunger moves downward, the hot melt is melted and dropped to the base layer to solidify, and pressure grouting is carried out in the steel pipe with holes where the grouting layer is located to form a vertical anti-seepage curtain. The device is convenient to operate, high in test efficiency, and accurate and reliable in test data, and can be used for tailings pond anti-seepage simulation research and can accurately and efficiently research the anti-seepage effect of tailings pond engineering anti-seepage measures.

The invention belongs to the technical field of zinc smelting leaching residues, and particularly relates to a method for curing and stabilizing zinc smelting leaching residues by injecting an agent in situ, which specifically comprises the following steps: detecting the Zn concentration and Cd concentration in a zinc smelting leaching residue leaching solution; and calculating the dosage of TMT-55, PDTC and NaH2PO4 according to a detection result, and leaching the zinc smelting leaching residues by using a mixed solution of TMT-55, PDTC and NaH2PO4 to realize solidification and stabilization. According to the method, the mixed solution of TMT-55, PDTC and NaH2PO4 is used as an agent for in-situ solidification and stabilization of the zinc smelting leaching residues, the good solidification effect is achieved, and meanwhile remarkable environmental benefits and economic benefits are achieved. Besides, a mixed solution of TMT-55, PDTC and NaH2PO4 is used as an agent for in-situ solidification and stabilization of the zinc smelting leaching residues, Zn and Cd in the zinc smelting leaching residues are converted into more stable forms, and the concentration and pH value of Zn and Cd in percolate meet the III-class standard in the Quality Standard for Underground Water (GB / T 14848-2017).