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CN-121995025-A - Portable rapid analysis device and analysis method for underground water

CN121995025ACN 121995025 ACN121995025 ACN 121995025ACN-121995025-A

Abstract

The application relates to the field of groundwater analysis, in particular to a portable rapid groundwater analysis device which comprises a box body, a folding mechanism, a filtering mechanism and an analysis mechanism, wherein the folding mechanism comprises a plurality of tube shells, cavities and elastic connecting films, the cavities are arranged in the tube shells, the number of the cavities is the same as that of the tube shells, adjacent cavities are connected through the elastic connecting films and are mutually communicated, the filtering mechanism is used for filtering water entering the folding mechanism, the analysis mechanism is used for analyzing the quality of groundwater, and the folding mechanism, the filtering mechanism and the analysis mechanism can be placed in the box body. The application can reduce the volume of the device, is convenient for users to operate and carry, can brush the surface of the filter screen, can prevent impurities from being adhered to the filter screen all the time, and prevents the impurities from blocking the filter screen and affecting water intake.

Inventors

  • CAO YUANYUAN
  • CHEN XIAOJING
  • YANG JING
  • NI PING

Assignees

  • 宁夏回族自治区地球物理地球化学调查院(自治区深地探测中心)

Dates

Publication Date
20260508
Application Date
20260312

Claims (10)

  1. 1. A be used for portable quick analytical equipment of groundwater, its characterized in that: The device comprises a box body, a folding mechanism, a filtering mechanism and an analysis mechanism, wherein the folding mechanism comprises a plurality of tube shells, cavities and elastic connecting films, the cavities are arranged in the tube shells, the number of the cavities is the same as that of the tube shells, adjacent cavities are connected through the elastic connecting films, and the adjacent cavities are mutually communicated; The filtering mechanism is used for filtering the water entering the folding mechanism; The analysis mechanism is used for analyzing the quality of the underground water; The folding mechanism, the filtering mechanism and the analyzing mechanism can be placed in the box.
  2. 2. The portable rapid analysis device for groundwater according to claim 1, wherein the side portion of the pipe case is provided with a positioning member for positioning the adjacent pipe case; The locating piece comprises a stud and a guide groove, the stud is in sliding fit with the guide groove, the stud is installed on the side wall of the pipe shell above the adjacent side, the guide groove is formed in the side wall of the pipe shell below the adjacent side, grooves are formed in two ends of the bottom of the guide groove, and the end portion of the stud can be inserted into the grooves.
  3. 3. The portable rapid analysis device for groundwater according to claim 1, wherein the filtering mechanism comprises a housing and a filter screen, the housing is detachably mounted at the end of the lowest tube shell, the filter screen is arranged in the housing, and the filter screen is positioned below the water inlet of the cavity.
  4. 4. A portable rapid analysis device for groundwater according to claim 3, wherein a cleaning assembly is arranged in the housing, the cleaning assembly comprises an impeller and a motor, a rotating shaft of the motor is in key connection with a wheel shaft of the impeller, the motor is fixedly arranged in the housing, the impeller is rotatably arranged in the housing, bristles are arranged on one side of the impeller adjacent to the filter screen, and the bristles can clean the surface of the filter screen.
  5. 5. The portable rapid analysis device for groundwater according to claim 4, wherein the blades of the impeller are of an arc-shaped curved surface flow guiding structure, the blades of the impeller are distributed along the annular array of the wheel axle of the impeller, and the upstream surface of the blades of the impeller is in an arc shape; The blades of the impeller are inclined blades, and when the motor rotates, the impeller drives the blades to rotate, so that water can be pumped upwards; The bristles are disposed on blades of the impeller.
  6. 6. A portable rapid analysis device for groundwater according to claim 1, wherein a housing is provided at an upper portion of the housing, a piston is slidably mounted in the housing, and one end of the piston is insertable into the uppermost cavity.
  7. 7. The portable rapid analysis device for groundwater according to claim 6, wherein the side of the casing is communicated with a water pump through a conduit, one end of the water pump is communicated with a water supply, the conduit is provided with a transparent pipe, and the conduit is provided with a valve; when the piston is pulled up, the transparent pipe is communicated with the uppermost cavity, the valve is opened, and the water pump can pump water to flush the cavity; When the piston moves downwards, the piston blocks the communication channel between the transparent pipe and the cavity, and the transparent pipe is disconnected from the uppermost cavity.
  8. 8. The portable rapid analysis device for groundwater according to claim 7, wherein the analysis mechanism comprises a detection probe, a processor and a display, the detection probe is used for detecting water quality parameters, the display is used for displaying detection data, the detection probe is in signal connection with the processor, the processor is in signal connection with the display, the detection probe is fixedly arranged at the conical end of the piston, and the processor and the display are arranged in the box body.
  9. 9. The portable rapid analysis device for groundwater according to claim 6, wherein one end of the piston is tapered, and the tapered end of the piston is capable of being attached to the inner wall of the uppermost cavity; When the end part of the piston is inserted into the uppermost cavity, groundwater in the uppermost cavity can be extruded; when the piston is pulled up, the conical part of the piston is separated from the inner wall of the uppermost cavity, so that negative pressure can be formed to suck underground water.
  10. 10. A portable rapid analysis method for groundwater according to any one of claims 1-9, characterized in that the analysis method comprises: when water taking analysis and detection are needed, the lowest pipe shell is put into water, and when water taking is carried out, the stud is rotated firstly, so that the column head of the stud is separated from the groove at the lower end of the guide groove, and the locking state of the stud on the pipe shell is released; The tube shells are sequentially pulled from bottom to top, so that the cavities are under negative pressure, and therefore, when the adjacent tube shells are pulled out, the bottommost cavity can pump water, then the tube shells are sequentially pulled from bottom to top, water pumping is sequentially performed, and finally, the piston is pulled, so that the piston is separated from the topmost cavity, and the topmost cavity can be pumped; The detection probe performs parameter detection on the water body in the cavity while pumping water, and then the processor presents detection data on the display; After the pipe shell is completely unfolded, the stud is inserted into a groove at the upper end of the guide groove by rotating the stud, and the position of the pipe shell is fixed, so that the folding mechanism is in an unfolded state; When accomodating, reverse rotation setting element can be in the same place adjacent tube shell cover each other, can be in the same place adjacent cavity cover, folds, at folding in-process, can discharge the water in the cavity to make folding mechanism's volume reduce, can accomodate in the box.

Description

Portable rapid analysis device and analysis method for underground water Technical Field The invention belongs to the technical field of groundwater analysis, and particularly relates to a portable rapid analysis device and an analysis method for groundwater. Background At present, groundwater quality analysis is mainly divided into two modes, namely laboratory detection and field detection. The laboratory detection mode can realize multi-index and high-precision detection, but has obvious limitations that underground water samples are required to be collected manually on site, problems of incomplete well flushing, improper sample storage and the like easily occur in the sampling process, cross contamination or component change of the water samples is caused, the reliability of detection data is affected, meanwhile, the samples are required to be transported to a professional laboratory in a sealing way, the detection period is usually up to a plurality of days, and real-time capture and quick response of pollution cannot be realized. In order to solve the hysteresis problem of laboratory detection, the portable groundwater analysis device is gradually applied to field detection scenes, and becomes the first choice equipment of middle and small enterprises and basic environmental protection departments, but in the use process of the conventional portable device, a water taking mechanism and a detection mechanism are mutually independent, the water taking process needs to be additionally assisted by a sampling tool, the operation steps are complicated, a water sample is manually transferred to a detection module after being taken, the operation complexity is increased, secondary pollution of the water sample is possibly caused, the storage volume is large, the carrying is inconvenient, the transportation and operation difficulty is remarkably increased, and the use requirement of the field detection scenes is difficult to adapt to. Disclosure of Invention In view of the above problems, the present invention provides a portable rapid analysis device for groundwater, comprising a case, a folding mechanism, a filtering mechanism and an analysis mechanism; the folding mechanism comprises a plurality of tube shells, cavities and elastic connecting films, wherein the cavities are arranged in the tube shells, the number of the cavities is the same as that of the tube shells, adjacent cavities are connected through the elastic connecting films, and the adjacent cavities are mutually communicated; The filtering mechanism is used for filtering the water entering the folding mechanism; The analysis mechanism is used for analyzing the quality of the underground water; The folding mechanism, the filtering mechanism and the analyzing mechanism can be placed in the box. In one embodiment of the application, the side part of the shell is provided with a positioning piece, and the positioning piece is used for positioning the adjacent shell below; The locating piece comprises a stud and a guide groove, the stud is in sliding fit with the guide groove, the stud is installed on the side wall of the pipe shell above the adjacent side, the guide groove is formed in the side wall of the pipe shell below the adjacent side, grooves are formed in two ends of the bottom of the guide groove, and the end portion of the stud can be inserted into the grooves. In one embodiment of the application, the filter mechanism comprises a housing detachably mounted at the end of the lowermost cartridge and a filter screen disposed within the housing below the water inlet of the cavity. In one embodiment of the application, a cleaning assembly is arranged in the shell, the cleaning assembly comprises an impeller and a motor, a rotating shaft of the motor is in key connection with a wheel shaft of the impeller, the motor is fixedly arranged in the shell, the impeller is rotatably arranged in the shell, and bristles are arranged on one side, adjacent to the filter screen, of the impeller, and can clean the surface of the filter screen. In one embodiment of the application, the blades of the impeller adopt an arc-shaped curved surface flow guide structure, the blades of the impeller are distributed along the annular array of the wheel shaft of the impeller, and the upstream surface of the blades of the impeller is concave in an arc shape and is used for forming spiral water flow when the water flow passes through; The blades of the impeller are inclined blades, and when the motor rotates, the impeller drives the blades to rotate, so that water can be pumped upwards; The bristles are disposed on blades of the impeller. In one embodiment of the application, a housing is provided at the upper part of the cartridge, in which housing a piston is slidably mounted, one end of which piston can be inserted into the uppermost cavity. In one embodiment of the application, the side part of the casing is communicated with a water pump through a conduit, one end of