CN118777293B - Chloride ion detection device, system and method for mixed sand - Google Patents
Chloride ion detection device, system and method for mixed sand Download PDFInfo
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- CN118777293B CN118777293B CN202411263341.8A CN202411263341A CN118777293B CN 118777293 B CN118777293 B CN 118777293B CN 202411263341 A CN202411263341 A CN 202411263341A CN 118777293 B CN118777293 B CN 118777293B
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
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Abstract
The invention discloses a chloride ion detection device, system and method for mixed sand, relates to the technical field of chloride ion detection, and can solve the problems of complex detection process, long time consumption and inconvenient detection of the chloride ion concentration of the mixed sand. The chloride ion detection device for the mixed sand comprises a sampling assembly and a detection assembly, wherein the sampling assembly comprises a sampling tube main body with a strip-shaped detection cavity and a piston main body arranged in the strip-shaped detection cavity, and the piston main body is in sliding sealing connection with the sampling tube main body; the end part of the sampling tube main body is provided with a sampling nozzle communicated with the strip-shaped detection cavity; the detection assembly comprises a plurality of detection units which are distributed at equal intervals along the sliding direction of the piston main body, the height of each detection unit along the sliding direction of the piston main body is smaller than the thickness of the piston main body, the detection units are mutually communicated with the strip-shaped detection cavity, adjacent detection units can be mutually separated through the piston main body, and each detection unit comprises a reaction piece accommodating area for accommodating a reaction test piece loaded with quantitative silver chromate.
Description
Technical Field
The invention relates to the technical field of chloride ion detection, in particular to a chloride ion detection device, system and method for mixed sand.
Background
Sediment is one of the important constituent materials of concrete. According to source division, river sand and sea sand are generally divided, sea sand contains a large amount of chloride ions relative to river sand, when the sea sand is used as a building material, the chloride ions can continuously corrode reinforcing steel bars, the structural damage of concrete is caused, the service life of a building is shortened, and potential safety hazards are caused.
Therefore, when sea sand is used as a concrete raw material, desalination treatment is needed, or the sea sand and river sand are mixed, so that the chloride ion concentration in sediment is reduced, and the chloride ion concentration requirements of concrete with different labels are met. However, although the concentration of chloride ions can be reduced after sea sand and river sand are mixed, the mixed sediment still needs to be detected so as to meet the specification and the requirement of construction materials.
At present, the method for detecting the chloride ion concentration in the sediment generally comprises a potential method and a titration method, but the existing potential method and titration method are supported by specialized instruments and equipment, the whole measurement steps are numerous, specialized personnel are required for detection, the detection is generally required to be carried out, the time consumption is long, and the method is extremely inconvenient in actual construction scenes.
In view of the above, the inventor designs a chloride ion detection device, a system and a method for mixed sand, which can rapidly detect the chloride ion concentration in mixed sediment, and the device has a simple and portable structure, so as to facilitate construction and application.
Disclosure of Invention
The application aims to provide a chloride ion detection device, system and method for mixed sand, and solves the problems that the existing detection process for the chloride ion concentration in mixed sediment is complex, long in time consumption and inconvenient and convenient.
In order to solve the technical problems, the invention adopts the following scheme:
In one aspect, the present application provides a chloride ion detection apparatus for mixed sand, comprising:
sampling component for extracting ration wait to examine mixed sand thick liquid to and be used for detecting the detection component of the interior chloride ion content of quantitative mixed sand thick liquid, wherein:
The sampling assembly comprises a sampling tube main body with a strip-shaped detection cavity and a piston main body arranged in the strip-shaped detection cavity, and the piston main body is in sliding sealing connection with the sampling tube main body;
the end part of the sampling tube main body is provided with a sampling nozzle communicated with the strip-shaped detection cavity;
the detection component includes a plurality of detecting element that follow piston main part slip direction equidistant distribution, and detecting element highly is less than the thickness of piston main part along piston main part slip direction, and detecting element and strip detect the chamber intercommunication each other, and adjacent detecting element accessible piston main part separates each other, and detecting element includes:
a reaction piece accommodation region for accommodating a reaction test piece loaded with a quantitative silver chromate.
The design concept of the application is as follows: after the reaction test piece loaded with quantitative silver chromate is placed in a reaction piece accommodating area, the quantitative mixed sand slurry to be detected is extracted, the chloride ion content in the quantitative mixed sand slurry to be detected can be fixed, and then the mixed sand slurry to be detected is driven to react with a plurality of reaction test pieces with quantitative silver chromate, so that the chloride ions in the mixed sand slurry to be detected are driven to be gradually and quantitatively consumed until the chloride ion reaction is finished, the reaction test piece loaded with silver chromate is not discolored any more, the chloride ion content can be judged according to the quantity of discolored reaction test pieces, the chloride ion concentration range of the mixed sand slurry to be detected is further judged, and whether the chloride ion concentration of the mixed sand slurry meets the standard is confirmed.
The application has the advantages of simple and convenient detection operation, low professional dependence, short time consumption in the detection process, accurate and reliable detection result, simple and portable device structure, repeated utilization and the like, and is favorable for wide popularization in the market.
Under the design conception path of the application, some preferred technical schemes are as follows:
Optionally, the detecting assembly comprises a detecting cylinder, and the detecting cylinder is vertically suspended in a strip-shaped detecting cavity of the sampling cylinder main body;
A separation plate for separating the detection cylinder into a plurality of detection units is arranged in the detection cylinder;
the detection cylinder is provided with a plurality of material penetrating strip holes for placing reaction test pieces, and the peripheral wall of the detection cylinder is also provided with a plurality of liquid passing holes for mixing mortar liquid to permeate into the detection cylinder;
the middle part of the piston main body is provided with a piston through hole for accommodating the detection cylinder and being in sliding sealing connection with the detection cylinder;
the sampling tube main body and the detection tube are made of transparent materials.
Optionally, the detecting assembly further comprises a T-shaped connecting rod fixedly connected with the top of the detecting cylinder, and mounting buckles for being clamped with the sampling cylinder main body are arranged at the bottoms of the two ends of the T-shaped connecting rod;
the sampling assembly further comprises a piston rod fixedly connected with the piston body, and the piston rod is arranged in parallel with the axis of the sampling tube body.
Optionally, the axis of the detection cylinder coincides with the axis of the sampling cylinder main body;
The two piston rods are arranged and positioned on two sides of the detection cylinder, and a push-pull hole ring for penetrating the push-pull rod is arranged at the top of the piston rod;
the sampling assembly further includes a push-pull rod for transverse through placement into the push-pull eye.
Optionally, the detection assembly further comprises an inner ring barrel arranged in the detection barrel;
The shape of the detection cylinder and the shape of the inner ring cylinder are circular, and the reaction part accommodating area is a circular through cavity positioned between the inner peripheral wall of the detection cylinder and the outer peripheral wall of the inner ring cylinder.
Optionally, the sampling assembly further comprises a connecting plate arranged at the top of the piston main body;
An annular groove which is concave inwards is formed in the peripheral wall of the connecting plate main body;
A plurality of limit structures matched with the annular grooves are arranged on the inner peripheral wall of the sampling tube main body, and each limit structure comprises an annular bulge arranged on the inner peripheral wall of the sampling tube main body or a plurality of limit protruding points distributed along the circumferential direction of the inner peripheral wall of the sampling tube main body;
The spacing distance between every limit structure along sampling tube main part axial is detecting element's high distance.
Optionally, the detecting component comprises an arc-shaped sealing cover with an arc-shaped cross section and used for being detachably attached and fixed on the peripheral wall of the sampling tube main body;
One side of the inner arc of the arc-shaped sealing cover is provided with a containing groove for containing a reaction test piece;
the arc-shaped sealing cover is provided with a plurality of liquid separation transverse plates for separating the arc-shaped sealing cover into a plurality of detection units;
the liquid separation transverse plate is in a circular arc shape, outer side and arc-shaped sealing cover is fixedly connected with the inner side surface of the connecting piece, the inner side surface of the sampling tube is matched with the shape of the outer peripheral wall of the sampling tube main body;
the reaction piece accommodating area is an open type placing groove positioned between the liquid separation transverse plates;
the stop lever is arranged on the liquid separation transverse plate and used for stopping the reaction test piece from falling off;
A plurality of immersion liquid holes are formed in one side, facing the arc-shaped sealing cover, of the sampling tube main body;
The arc-shaped sealing cover is made of transparent materials.
Optionally, an installation slot for installing the arc-shaped sealing cover is formed in the peripheral wall of the sampling tube main body;
The mounting clamping groove is U-shaped;
Both the side surfaces and the bottom surface of the arc-shaped sealing cover are clamped in the mounting clamping groove;
the immersion liquid holes are distributed in the area surrounded by the mounting clamping groove.
In a second aspect, the present application provides a system for detecting chloride ions in mixed sand, including any one of the above-mentioned devices for detecting chloride ions in mixed sand, and further including a reaction test piece disposed in the reaction piece accommodation area;
the reaction test piece is a test paper piece loaded with quantitative silver chromate.
In a third aspect, the present application provides a method for detecting chloride ions in mixed sand, which is applicable to the above-mentioned system for detecting chloride ions in mixed sand, and includes the following steps:
S1, extracting quantitative liquid to be detected: extending a sampling nozzle of the sampling tube main body into the mixed sand slurry to be detected, driving the piston main body to move until the piston main body moves a body position distance, removing the sampling nozzle from the mixed sand slurry, and extracting quantitative mixed sand slurry to be detected;
S2, queuing chlorine consumption detection: driving the piston main body to move a body again, waiting for the reaction of a reaction test piece of the detection unit and chloride ions in the mixed sand slurry to be detected to react for 2 to 3 minutes, and repeating the queuing operation for a plurality of times until the piston main body moves to the top of the sampling tube main body by taking the movement and reaction waiting of the piston main body as a queuing operation;
s3, judging a detection result; and taking out, observing or directly observing the color change quantity of the reaction test piece in the detection assembly, and judging whether the concentration of chloride ions exceeds the standard.
The invention has the beneficial effects that:
1. The whole detection operation of the application is as follows: the method has the advantages of simple and convenient detection operation, low professional dependence, short time consumption in the detection process, accurate and reliable detection result and the like.
2. The device has the advantages of simple integral structure, portability, low production and manufacturing cost, suitability for detecting the concentration of mixed sand chloride ions under different construction environments, capability of using other parts as consumable parts only in the whole detection reaction process, reusability and the like, and low use cost for building units in the industry, and is very beneficial to market popularization.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present application.
Fig. 2 is an enlarged partial schematic view at a in fig. 1.
Fig. 3 is a schematic structural diagram of a detection component in embodiment 1 of the present application.
Fig. 4 is a schematic front view of embodiment 2 of the present application.
Fig. 5 is a schematic structural diagram of a sampling assembly in embodiment 2 of the present application.
Fig. 6 is a schematic structural diagram of a detection component in embodiment 2 of the present application.
FIG. 7 is a schematic view showing a partial structure of a test paper sheet in example 3 of the present application.
Reference numerals illustrate:
The device comprises a 11-sampling tube main body, a 111-detection cavity, a 112-sampling nozzle, a 113-limit bump, a 114-force supporting plate, a 115-clamping hole, a 116-installation clamping groove, a 117-immersion hole, a 12-piston main body, a 121-piston through hole, a 13-connecting plate, a 14-piston rod, a 141-push-pull hole ring, a 15-push-pull rod, a 16-piston push head, a 21-detection tube, a 211-material penetrating strip hole, a 212-bonding groove, a 213-liquid passing hole, a 22-T-shaped connecting rod, a 221-installation buckle, a 23-inner ring tube, a 24-separation plate, a 25-arc-shaped sealing cover, a 251-liquid separating transverse plate, a 252-blocking rod, a 3-test paper sheet, a 31-tearing seam and a 32-bonding layer.
Detailed Description
The present invention will be described in further detail with reference to examples and drawings, but embodiments of the present invention are not limited thereto.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "longitudinal", "lateral", "horizontal", "inner", "outer", "front", "rear", "top", "bottom", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present invention and for simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "configured," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The invention is described in detail below with reference to the drawings in combination with embodiments.
Example 1:
As shown in fig. 1 to 3, the present embodiment provides a chloride ion detection apparatus for mixed sand, including:
sampling component for extracting ration wait to examine mixed sand thick liquid to and be used for detecting the detection component of the interior chloride ion content of quantitative mixed sand thick liquid, wherein:
The sampling assembly comprises a sampling tube main body 11 with a strip-shaped detection cavity 111 and a piston main body 12 arranged in the strip-shaped detection cavity 111, and the piston main body 12 is in sliding sealing connection with the sampling tube main body 11;
the end of the sampling tube main body 11 is provided with a sampling nozzle 112 communicated with the strip-shaped detection cavity 111;
The detection assembly includes a plurality of detecting element that follow piston main part 12 slip direction equidistant distribution, and detecting element highly is less than the thickness of piston main part 12 along piston main part 12 slip direction, and detecting element and strip detection chamber 111 intercommunication each other, adjacent detecting element accessible piston main part 12 separate each other, and detecting element includes:
a reaction piece accommodation region for accommodating a reaction test piece loaded with a quantitative silver chromate.
The design concept of the application is as follows: after the reaction test piece loaded with quantitative silver chromate is placed in a reaction piece accommodating area, the quantitative mixed sand slurry to be detected is extracted, the chloride ion content in the quantitative mixed sand slurry to be detected can be fixed, and then the mixed sand slurry to be detected is driven to react with a plurality of reaction test pieces with quantitative silver chromate, so that the chloride ions in the mixed sand slurry to be detected are driven to be gradually and quantitatively consumed until the chloride ion reaction is finished, the reaction test piece loaded with silver chromate is not discolored any more, the chloride ion content can be judged according to the quantity of discolored reaction test pieces, the chloride ion concentration range of the mixed sand slurry to be detected is further judged, and whether the chloride ion concentration of the mixed sand slurry meets the standard is confirmed.
The application has the advantages of simple and convenient detection operation, low professional dependence, short time consumption in the detection process, accurate and reliable detection result, simple and portable device structure, repeated utilization and the like, and is favorable for wide popularization in the market.
The reaction test piece in this embodiment is a test paper piece 3 loaded with quantitative silver chromate, after the test paper piece 3 contacts with the mixed sand slurry to be detected, the mixed sand slurry to be detected can infiltrate the test paper piece 3, so that chloride ions react with the silver chromate until the silver chromate reaction is consumed, that is, the reaction becomes a colorless state, and the silver chromate and chloride ions react to form an existing reaction system, which is not repeated here.
The number of the detection units in this embodiment is 4, and those skilled in the art can set the number to be 3, 5, 6, 7, etc., which are not described herein in detail.
Under the design conception path of the application, some preferred technical schemes are as follows:
specifically, in this embodiment, as shown in fig. 1 to 3, the detection assembly includes a detection cylinder 21, and the detection cylinder 21 is vertically suspended in a strip-shaped detection cavity 111 of the sampling cylinder main body 11;
A partition plate 24 that partitions the detection cylinder 21 into a plurality of detection units is provided in the detection cylinder;
The detection cylinder 21 is provided with a plurality of material penetrating strip holes 211 for placing reaction test pieces, and the peripheral wall of the detection cylinder 21 is also provided with a plurality of liquid passing holes 213 for mixing mortar liquid to permeate into the detection cylinder 21;
the middle part of the piston main body 12 is provided with a piston through hole 121 for accommodating the detection cylinder 21 and being in sliding sealing connection with the detection cylinder;
the sampling tube main body 11 and the detection tube 21 are made of transparent materials, so that an external operator can observe the color change condition of the test paper sheet 3 conveniently.
In this embodiment, each of the material penetrating strip holes 211 corresponds to one of the detection units, the width of the material penetrating strip hole 211 is larger than the width of the test paper sheet 3, and the test paper sheet 3 can be inserted into the reaction part accommodating area of the detection unit through the material penetrating strip hole 211 until the mixed sand slurry to be detected moves in place and then reacts with the mixed sand slurry to be detected.
In this embodiment, the distance between the detection unit at the lowest position and the bottom of the strip-shaped detection cavity 111 is equal to the thickness of the piston main body 12, which is convenient for an operator to operate, and after the bottom surface of the piston main body 12 is driven by the operator to be flush with the bottom surface of the detection unit at the lowest position, the extraction action of the mixed sand slurry to be detected is completed.
The detecting cylinder 21 in this embodiment is a cylindrical structure, and a technician may also design the detecting cylinder to be a square column structure, which is not described herein.
Specifically, in this embodiment, as shown in fig. 1 and 3, the detection assembly further includes a T-shaped connecting rod 22 fixedly connected to the top of the detection cylinder 21, and mounting buckles 221 for clamping with the sampling cylinder main body 11 are disposed at bottoms of two ends of the T-shaped connecting rod 22;
the sampling assembly further comprises a piston rod 14 fixedly connected with the piston main body 12, and the piston rod 14 is arranged in parallel with the axis of the sampling tube main body 11. By arranging the T-shaped connecting rod 22 and the mounting buckle 221, the detection barrel 21 is conveniently suspended and fixed in the sampling barrel main body 11.
In this embodiment, as shown in fig. 1, a force supporting plate 114 is further disposed at the top of the sampling tube main body 11 far from the sampling nozzle 112, so as to facilitate the extraction of liquid, and a clamping hole 115 adapted to the mounting buckle 221 is disposed on the force supporting plate 114, so as to facilitate the installation of the T-shaped connecting rod 22.
Specifically, as shown in fig. 1 to 3, in the present embodiment, the axis of the detection cylinder 21 coincides with the axis of the sampling cylinder body 11;
the two piston rods 14 are arranged, the two piston rods 14 are positioned on two sides of the detection cylinder 21, and a push-pull hole ring 141 for penetrating the push-pull rod 15 is arranged at the top of the piston rod 14;
the sampling assembly further includes a push-pull rod 15 for placement transversely therethrough into the push-pull grommet 141. By arranging the two piston rods 14, the stress of the piston main body 12 can be more stable, and in addition, the push-pull rod 15 is convenient to install, pushing force and pulling force are convenient to apply to the piston rods 14, and the use experience of an operator is improved.
Specifically, as shown in fig. 2, in this embodiment, the detection assembly further includes an inner ring cylinder 23 disposed in the detection cylinder 21;
The detection cylinder 21 and the inner ring cylinder 23 are circular in shape, and the reaction member accommodating area is a circular annular through cavity between the inner peripheral wall of the detection cylinder 21 and the outer peripheral wall of the inner ring cylinder 23.
In this embodiment, by providing the inner ring 23, the path of the test paper sheet 3 inserted into the detection cylinder 21 can be limited, so that a circular ring shape is formed, the contact area between the test paper sheet 3 and the slurry to be detected is increased, the detection efficiency is improved, and meanwhile, the observation and judgment of an operator are facilitated.
Specifically, in this embodiment, the sampling assembly further includes a connection plate 13 disposed on the top of the piston main body 12;
an annular groove which is concave inwards is formed in the peripheral wall of the connecting plate 13 main body;
A plurality of limit structures matched with the annular grooves are arranged on the inner peripheral wall of the sampling tube main body 11, and each limit structure comprises an annular bulge arranged on the inner peripheral wall of the sampling tube main body 11 or a plurality of limit convex points 113 circumferentially distributed along the inner peripheral wall of the sampling tube main body 11;
The spacing distance between each limiting structure along the axial direction of the sampling tube main body 11 is the height distance of the detection unit.
The limiting structure in the embodiment is the limiting convex point 113, by arranging the annular groove and the limiting convex point 113, and the spacing distance between the limiting convex points 113 along the axial direction of the sampling tube main body 11 is the height distance of the detection unit, the accurate moving positioning can be performed, meanwhile, the operator can be reminded after the piston main body 12 moves to a proper position, the driving of the piston main body 12 is avoided,
Specifically, in this embodiment, an adhesive groove 212 located beside the material penetrating hole 211 is further provided, and when the test paper sheet 3 has the adhesive layer 32, the test paper sheet 3 can be adhered to the adhesive groove 212, so that the test paper sheet 3 is prevented from falling off, and meanwhile, the test paper sheet 3 is convenient to take out.
In this embodiment, an adhesive layer 32 is provided on a part of the test paper sheet 3, so that the test paper sheet 3 can be easily fixed.
Example 2:
As shown in fig. 4 to 6, the detecting assembly includes an arc-shaped cover 25 having a circular arc-shaped cross section and adapted to be detachably attached to the outer peripheral wall of the main body 11 of the sampling tube;
the inner arc side of the arc-shaped cover 25 is provided with a containing groove for containing a reaction test piece;
the arc-shaped sealing cover 25 is provided with a plurality of liquid separation transverse plates 251 for separating the arc-shaped sealing cover into a plurality of detection units;
the liquid separation transverse plate 251 is arc-shaped, the outer side surface of the liquid separation transverse plate is fixedly connected with the inner side surface of the arc-shaped sealing cover 25, and the inner side surface of the liquid separation transverse plate is matched with the shape of the outer peripheral wall of the sampling tube main body 11;
The reaction piece accommodating area is an open type placing groove positioned between the liquid separation transverse plates 251;
the device also comprises a stop lever 252 which is arranged on the liquid separation transverse plate 251 and is used for blocking the reaction test piece from falling off;
a plurality of immersion holes 117 are formed in one side, facing the arc-shaped sealing cover 25, of the sampling tube main body 11;
The arc-shaped cover 25 is made of transparent materials.
In this embodiment, through setting up transparent arc closing cap 25, and test paper piece 3 is located the holding tank of arc closing cap 25 for operating personnel easily observes the reaction condition of test paper piece 3 more, makes the judgement accurately. In addition, the arc-shaped cover 25 is detachably attached to the outer peripheral wall of the sampling tube body 11, so that the test paper sheet 3 can be easily replaced.
Specifically, in this embodiment, as shown in fig. 5, a mounting slot 116 for mounting the arc-shaped cover 25 is provided on the outer peripheral wall of the sampling tube main body 11;
the shape of the mounting clamping groove 116 is U-shaped;
both side surfaces and the bottom surface of the arc-shaped sealing cover 25 are clamped in the mounting clamping groove 116;
The plurality of immersion holes 117 are all distributed in the area surrounded by the mounting clamping groove 116.
In this embodiment, through setting up the installation draw-in groove 116 that is the U type, make things convenient for the arc closing cap 25 installation chucking, realize sealed fixed, avoid appearing the condition of weeping.
In this embodiment, the piston rod 14 is disposed at the middle position of the piston body 12, and the push-pull rod 15 and the push-pull hole ring 141 in embodiment 1 are not provided, but the sampling tube body 11 in this embodiment also has the force supporting plate 114, but in this embodiment, the clamping hole 115 is not provided in comparison with embodiment 1.
In this embodiment, the piston pusher 16 is further included, and the piston pusher 16 is connected to the piston rod 14, so as to facilitate pushing the piston rod 14.
The rest of the structure of this embodiment is the same as that of embodiment 1.
Example 3
As shown in fig. 7, the present embodiment provides a system for detecting chloride ions of mixed sand, which includes any one of the above-described apparatus for detecting chloride ions of mixed sand, and further includes a reaction test piece for being placed in the reaction piece accommodating area;
The reaction test piece is a test paper piece 3 loaded with quantitative silver chromate.
The test paper sheet 3 in this embodiment is formed by tearing a test paper roll, as shown in fig. 7, the test paper roll includes a plurality of connected test paper sheets 3, a tear seam 31 is formed between the test paper sheets 3, and an adhesive layer 32 is disposed at a position of the test paper sheet 3 near the tear seam 31.
In use, the test paper sheet 3 is adhered to the reaction member accommodation area.
The other structures of this embodiment are the same as those of embodiment 1 or embodiment 2, and are not described here again.
Example 4:
in a third aspect, the present application provides a method for detecting chloride ions in mixed sand, which is applicable to the above-mentioned system for detecting chloride ions in mixed sand, and includes the following steps:
S1, extracting quantitative liquid to be detected: extending the sampling nozzle 112 of the sampling tube main body 11 into the mixed sand slurry to be detected, driving the piston main body 12 to move until the piston main body 12 moves a body distance, removing the sampling nozzle 112 from the mixed sand slurry, and extracting a fixed amount of the mixed sand slurry to be detected;
S2, queuing chlorine consumption detection: driving the piston main body 12 to move a body again, waiting for the reaction of the reaction test piece of the detection unit and chloride ions in the mixed sand slurry to be detected to react for 2 to 3 minutes, repeating the queuing operation for a plurality of times until the piston main body 12 moves to the top of the sampling tube main body 11 when the piston main body 12 moves and the reaction waits for one queuing operation;
s3, judging a detection result; and taking out, observing or directly observing the color change quantity of the reaction test piece in the detection assembly, and judging whether the concentration of chloride ions exceeds the standard.
In the case of the removal of the detection assembly, it is necessary to remove the push-pull rod 15 first for the specific operation of example 1 and then to take out the detection assembly for observation, whereas for the specific operation of example 2 it is sufficient to observe directly,
It is to be understood that the above embodiments are merely illustrative of the application of the principles of the present invention, but not in limitation thereof. Various modifications and improvements may be made by those skilled in the art without departing from the spirit and substance of the invention, and are also considered to be within the scope of the invention.
Claims (10)
1.A chloride ion detection apparatus for mixed sand, comprising:
sampling component for extracting ration wait to examine mixed sand thick liquid to and be used for detecting the detection component of the interior chloride ion content of quantitative mixed sand thick liquid, wherein:
The sampling assembly comprises a sampling tube main body (11) with a strip-shaped detection cavity (111) and a piston main body (12) arranged in the strip-shaped detection cavity (111), and the piston main body (12) is in sliding sealing connection with the sampling tube main body (11);
The end part of the sampling tube main body (11) is provided with a sampling nozzle (112) communicated with the strip-shaped detection cavity (111);
The detection assembly includes a plurality of detecting element that distribute along piston main part (12) slip direction equidistant, and detecting element highly is less than the thickness of piston main part (12) along piston main part (12) slip direction, and detecting element and strip detection chamber (111) intercommunication each other, adjacent detecting element accessible piston main part (12) separate each other, and detecting element includes:
a reaction piece accommodation region for accommodating a reaction test piece loaded with a quantitative silver chromate.
2. The chloride ion detection device of mixed sand according to claim 1, wherein the detection assembly comprises a detection cylinder (21), and the detection cylinder (21) is vertically suspended in a strip-shaped detection cavity (111) of the sampling cylinder main body (11);
a partition plate (24) for partitioning the detection cylinder (21) into a plurality of detection units is provided in the detection cylinder;
the detection cylinder (21) is provided with a plurality of material penetrating strip holes (211) for placing reaction test pieces, and the peripheral wall of the detection cylinder (21) is also provided with a plurality of liquid passing holes (213) for mixing mortar liquid to permeate into the detection cylinder (21);
the middle part of the piston main body (12) is provided with a piston through hole (121) for accommodating the detection cylinder (21) and being in sliding sealing connection with the detection cylinder;
the sampling tube main body (11) and the detection tube (21) are made of transparent materials.
3. The chloride ion detection device of mixed sand according to claim 2, wherein the detection assembly further comprises a T-shaped connecting rod (22) fixedly connected with the top of the detection cylinder (21), and mounting buckles (221) for being clamped with the sampling cylinder main body (11) are arranged at the bottoms of the two ends of the T-shaped connecting rod (22);
The sampling assembly further comprises a piston rod (14) fixedly connected with the piston main body (12), and the piston rod (14) is arranged in parallel with the axis of the sampling tube main body (11).
4. A chloride ion detection apparatus for mixed sand according to claim 3, wherein the axis of the detection cylinder (21) coincides with the axis of the sampling cylinder main body (11);
The two piston rods (14) are arranged, the two piston rods (14) are positioned on two sides of the detection cylinder (21), and a push-pull hole ring (141) for penetrating the push-pull rod (15) is arranged at the top of the piston rod (14);
the sampling assembly further includes a push-pull rod (15) for transverse through-placement into the push-pull grommet (141).
5. A chloride ion detection apparatus for mixed sand according to claim 2, wherein the detection assembly further comprises an inner ring cylinder (23) disposed within the detection cylinder (21);
The detection cylinder (21) and the inner ring cylinder (23) are circular in shape, and the reaction piece accommodating area is a circular through cavity positioned between the inner peripheral wall of the detection cylinder (21) and the outer peripheral wall of the inner ring cylinder (23).
6. A chloride ion detection apparatus for mixed sand according to claim 1, wherein the sampling assembly further comprises a connection plate (13) provided on top of the piston body (12);
An annular groove which is concave inwards is formed in the peripheral wall of the connecting plate (13) main body;
A plurality of limit structures matched with the annular grooves are arranged on the inner peripheral wall of the sampling tube main body (11), and each limit structure comprises an annular bulge arranged on the inner peripheral wall of the sampling tube main body (11) or a plurality of limit protruding points (113) circumferentially distributed along the inner peripheral wall of the sampling tube main body (11);
the spacing distance between every two limiting structures along the axial direction of the sampling tube main body (11) is the height distance of the detection unit.
7. A chloride ion detection apparatus for mixed sand according to claim 1, wherein the detection assembly comprises an arc-shaped cover (25) having a circular arc-shaped cross section and adapted to be detachably fitted and fixed to the outer peripheral wall of the main body (11) of the sampling tube;
one side of the inner arc of the arc-shaped sealing cover (25) is provided with a containing groove for containing a reaction test piece;
a plurality of liquid separation transverse plates (251) for separating the arc-shaped sealing cover (25) into a plurality of detection units are arranged on the arc-shaped sealing cover;
The liquid separation transverse plate (251) is arc-shaped, the outer side surface of the liquid separation transverse plate is fixedly connected with the inner side surface of the arc-shaped sealing cover (25), and the inner side surface of the liquid separation transverse plate is matched with the shape of the outer peripheral wall of the sampling tube main body (11);
the reaction piece accommodating area is an open type placing groove positioned between the liquid separation transverse plates (251);
The device also comprises a stop lever (252) which is arranged on the liquid separation transverse plate (251) and used for blocking the reaction test piece from falling off;
a plurality of immersion liquid holes (117) are formed in one side, facing the arc-shaped sealing cover (25), of the sampling tube main body (11);
The arc-shaped sealing cover (25) is made of transparent materials.
8. The chloride ion detection apparatus as defined in claim 7, wherein an installation groove (116) for installing the arc-shaped cover (25) is provided on the outer peripheral wall of the sampling tube main body (11);
the mounting clamping groove (116) is U-shaped;
both side surfaces and the bottom surface of the arc-shaped sealing cover (25) are clamped in the mounting clamping groove (116);
The plurality of immersion liquid holes (117) are distributed in the area surrounded by the mounting clamping groove (116).
9. A mixed sand chloride ion detection system comprising a mixed sand chloride ion detection device according to any one of claims 1-8, and further comprising a reaction test piece for placement in the reaction piece receiving area;
The reaction test piece is a test paper piece (3) loaded with quantitative silver chromate.
10. A method for detecting chloride ions in mixed sand, which is suitable for the chloride ion detection system of the mixed sand as claimed in claim 9, and is characterized by comprising the following steps:
S1, extracting quantitative liquid to be detected: extending a sampling nozzle (112) of a sampling tube main body (11) into the mixed sand slurry to be detected, driving a piston main body (12) to move until the piston main body (12) moves a body distance, removing the sampling nozzle (112) from the mixed sand slurry, and extracting a fixed amount of the mixed sand slurry to be detected;
S2, queuing chlorine consumption detection: driving the piston main body (12) to move a body position again, waiting for a reaction test piece of the detection unit to react with chloride ions in the mixed sand slurry to be detected for 2 to 3 minutes, and repeating the queuing operation for a plurality of times by taking the movement and the reaction waiting of the piston main body (12) as one queuing operation until the piston main body (12) moves to the top of the sampling tube main body (11);
s3, judging a detection result; and taking out, observing or directly observing the color change quantity of the reaction test piece in the detection assembly, and judging whether the concentration of chloride ions exceeds the standard.
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| JP2003294678A (en) * | 2002-04-03 | 2003-10-15 | Yoshimori Nishimura | Measuring instrument with sample collector |
| CN114264717A (en) * | 2022-03-03 | 2022-04-01 | 江苏鑫华半导体材料科技有限公司 | System and method for detecting trace impurities in high-purity trichlorosilane |
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| US5268147A (en) * | 1992-02-26 | 1993-12-07 | Miles, Inc. | Reversible direction capsule chemistry sample liquid analysis system and method |
| IE20030021A1 (en) * | 2002-01-17 | 2003-08-06 | Univ College Cork Nat Univ Ie | An assay device and method for chemical or biological screening |
| WO2012122520A1 (en) * | 2011-03-10 | 2012-09-13 | Abbott Diabetes Care Inc. | Multi-function analyte monitor device and methods of use |
| CN102768206A (en) * | 2012-07-03 | 2012-11-07 | 万华普曼生物工程有限公司 | Body fluid detection device |
| CN211318451U (en) * | 2019-12-25 | 2020-08-21 | 山东世纪鑫峰建筑科技有限公司 | Chloride ion tester for concrete detection |
| CN212301344U (en) * | 2020-06-23 | 2021-01-05 | 河海大学 | A gravity adsorption test bar for rapid detection of chloride ion content in sand and gravel |
| CN118369578A (en) * | 2021-10-21 | 2024-07-19 | 帕米尔生物技术有限责任公司 | Device for detecting analyte in fluid sample |
| WO2023246809A1 (en) * | 2022-06-21 | 2023-12-28 | 厦门瑞尔特卫浴科技股份有限公司 | Test piece for urinalysis, transmission mechanism, and toilet |
| CN220795010U (en) * | 2023-08-29 | 2024-04-16 | 中国环境科学研究院 | Water sample total phosphorus detection test tube |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003294678A (en) * | 2002-04-03 | 2003-10-15 | Yoshimori Nishimura | Measuring instrument with sample collector |
| CN114264717A (en) * | 2022-03-03 | 2022-04-01 | 江苏鑫华半导体材料科技有限公司 | System and method for detecting trace impurities in high-purity trichlorosilane |
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