Measurement apparatus and measurement method for sand content of engineering muck

Abstract

Disclosed in the embodiments of the present application are a measurement apparatus and measurement method for the sand content of engineering muck. The measurement apparatus comprises a mixing container, a temperature measurement unit, a turbidity measurement unit, a transmission unit and a digital control unit, wherein the mixing container is used for preparing a mixed solution by means of mixing water and engineering muck to be tested; the temperature measurement unit is used for measuring the temperature of the mixed solution; the turbidity measurement unit is used for measuring the turbidity of the mixed solution; the transmission unit is used for adjusting the measurement position of the turbidity measurement unit; and the digital control unit is used for calculating the measurement position of the turbidity measurement unit on the basis of the temperature, and is also used for calculating the sand content of the engineering muck on the basis of the turbidity. The present solution implements the measurement of the turbidity situation of a mixed solution during a resting process and the quantitative calculation of sand content on the basis of the result by means of the whole set of apparatus, and thus solves the problems of existing measurement for the sand content of engineering muck not being portable, and it not being possible to ensure the accuracy and timeliness thereof.

Description

A device and method for detecting sand content in engineering slag Technical Field

[0001] The present application relates to the technical field of engineering slag detection, and in particular to a device and method for detecting the sand content of engineering slag. Background Art

[0002] With the acceleration of urbanization, the construction industry has also experienced rapid development, and the associated construction waste has also increased. As a type of construction waste, the treatment of construction waste has attracted considerable attention. The screening and washing of construction waste to produce reclaimed sand is costly and environmentally harmful. Therefore, prior to screening and washing, the construction waste must be tested, and a comprehensive assessment of its economic and environmental benefits must be conducted. Among the many indicators used to test construction waste, sand content is a key indicator for comprehensive economic and environmental benefit assessments. However, due to the diverse lithology, complex construction site conditions, and rapid excavation of construction waste, the accuracy and timeliness of sand content testing are extremely high.

[0003] Currently, the main methods for detecting the sand content in construction waste soil samples are to slurry the soil sample, let it stand, and then visually observe the interface between sand and clay particles, or to take samples, repeatedly rinse, dry, and weigh them. However, the method of slurrying the soil sample, letting it stand, and then visually observing the interface between sand and clay particles is difficult to quantify and guarantee the accuracy of the test because the interface between sand and clay particles relies on the naked eye to distinguish. The method of taking samples, repeatedly rinse, and dry, and weighing is also a cumbersome process that requires steps such as screening, washing, and drying. It is time-consuming and difficult to complete the test on-site, making the timeliness of the test impossible to guarantee.

[0004] Summary of the Invention

[0005] In view of this, the present application provides a device and method for detecting the sand content of construction waste, which solves the problem that the existing construction waste sand content detection is not portable and the accuracy and timeliness are difficult to guarantee.

[0006] In a first aspect, the present application provides a device for detecting the sand content of construction slag, comprising: a mixing container, a temperature detection unit, a turbidity detection unit, a transmission unit, and a numerical control unit;

[0007] The mixing container is used to mix water and the engineering debris to be tested to prepare a mixed solution;

[0008] The temperature detection unit is used to detect the temperature of the mixed solution;

[0009] The turbidity detection unit is used to detect the turbidity of the mixed solution;

[0010] The transmission unit is used to adjust the detection position of the turbidity detection unit;

[0011] The numerical control unit is used to calculate the detection position of the turbidity detection unit according to the temperature; and is also used to calculate the sand content of the construction debris according to the turbidity.

[0012] Furthermore, the device further comprises a liquid level detection unit, which is used to detect the position of the turbidity detection unit in real time;

[0013] The numerical control unit is further used to control the transmission unit to adjust the turbidity detection unit located at the position to the detection position.

[0014] Furthermore, the turbidity detection unit and the liquid level detection unit are at the same height of the mixing container.

[0015] Furthermore, the transmission unit includes: a first detection positioning rod, a first gear guide rail, a coarse adjustment gear motor, and a fine adjustment gear motor;

[0016] The turbidity detection unit and the liquid level detection unit are arranged at the first end of the first detection positioning rod. When the sand content of the construction slag is detected, the first end of the first detection positioning rod is in the mixed solution of the mixing container.

[0017] The first gear guide rail is fixed to a side surface of the first detection positioning rod along a length direction, and a coarse adjustment tooth groove and a fine adjustment tooth groove are arranged on the first gear guide rail. The gear of the coarse adjustment gear motor is engaged with the coarse adjustment tooth groove, and the gear of the fine adjustment gear motor is engaged with the fine adjustment tooth groove.

[0018] The coarse adjustment gear motor and the fine adjustment gear motor are used to adjust the depth of the first end of the first detection positioning rod in the mixing container.

[0019] Furthermore, a scale for measuring the position of the turbidity detection unit is provided on the side wall of the mixing container.

[0020] Furthermore, the transmission unit includes: a second detection positioning rod, a second gear guide rail, a coarse adjustment unit, and a fine adjustment unit;

[0021] The turbidity detection unit is arranged at the first end of the second detection positioning rod. When the sand content of the construction debris is detected, the first end of the second detection positioning rod is in the mixed solution of the mixing container.

[0022] The second gear guide rail is fixed to the side surface of the sensor positioning rod along the length direction, and the second gear guide rail is provided with a coarse adjustment tooth groove and a fine adjustment tooth groove;

[0023] The coarse adjustment unit includes a coarse adjustment knob, a coarse adjustment linkage rod and a coarse adjustment gear, one end of the coarse adjustment linkage rod is fixedly connected to the coarse adjustment knob, the other end of the coarse adjustment linkage rod is fixedly connected to the coarse adjustment gear, and the coarse adjustment gear is engaged with the coarse adjustment tooth groove on the gear guide rail;

[0024] The fine-tuning unit comprises a fine-tuning knob, a fine-tuning linkage rod and a fine-tuning gear, one end of the fine-tuning linkage rod is fixedly connected to the fine-tuning knob, the other end of the fine-tuning linkage rod is fixedly connected to the fine-tuning gear, and the fine-tuning gear is engaged with the fine-tuning tooth groove on the gear guide rail;

[0025] The coarse adjustment unit and the fine adjustment unit are used to adjust the depth of the first end of the second detection positioning rod in the mixing container.

[0026] Furthermore, the mixing container and the numerical control unit are detachably connected.

[0027] Furthermore, a seal is provided at the connection between the mixing container and the numerical control unit.

[0028] Furthermore, the display subunit of the numerical control unit is specifically used to display the temperature, the detection position, the turbidity and the sand content.

[0029] A second aspect of the present application provides a method for detecting the sand content of construction slag, which is applied to the function or operation of the device for detecting the sand content of construction slag described in the first aspect. The method comprises:

[0030] The mixing container mixes water and the construction waste soil to be tested to prepare a mixed solution;

[0031] The temperature detection unit detects the temperature of the mixed solution;

[0032] The turbidity detection unit detects the turbidity of the mixed solution;

[0033] The transmission unit adjusts the detection position of the turbidity detection unit;

[0034] The numerical control unit calculates the detection position of the turbidity detection unit according to the temperature; and calculates the sand content of the construction debris according to the turbidity.

[0035] One of the above technical solutions has the following advantages and effects:

[0036] The sand content detection device of a construction slag in the above scheme comprises: a mixing container, a temperature detection unit, a turbidity detection unit, a transmission unit and a numerical control unit;

[0037] The mixing container is used to mix water and the engineering debris to be tested to prepare a mixed solution;

[0038] The temperature detection unit is used to detect the temperature of the mixed solution;

[0039] The turbidity detection unit is used to detect the turbidity of the mixed solution;

[0040] The transmission unit is used to adjust the detection position of the turbidity detection unit;

[0041] The numerical control unit is used to calculate the detection position of the turbidity detection unit according to the temperature; and is also used to calculate the sand content of the construction debris according to the turbidity.

[0042] As can be seen from the above scheme, the above-mentioned device for detecting the sand content of construction waste soil first detects the temperature of the mixed solution through the temperature detection unit, and then the numerical control unit calculates the detection position of the turbidity detection unit based on the temperature, and then adjusts the detection position of the turbidity detection unit through the transmission unit. Then, the turbidity of the mixed solution is detected by the turbidity detection unit. At this time, the numerical control unit can quantitatively calculate the sand content of the construction waste soil based on the turbidity. Compared with the method of observing the boundary between mud and sand after standing by naked eyes, the accuracy is significantly improved. In addition, the detection device described in this scheme can independently complete the entire process of sand content detection, eliminating the tedious processes of repeated rinsing, drying and weighing, greatly improving the efficiency of the detection of the sand content of construction waste soil, and making the detection of the sand content of construction waste soil portable and timely. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0044] FIG1 is a structural block diagram of a first embodiment of a device for detecting sand content in construction debris provided by the present application;

[0045] FIG2 is a schematic structural diagram of a second embodiment of a device for detecting sand content in construction debris provided by the present application;

[0046] FIG3 is a schematic structural diagram of a transmission unit and a numerical control unit of a second embodiment of a device for detecting sand content in construction debris provided by the present application;

[0047] 4 is a partial cross-sectional view of a transmission unit and a numerical control unit of a second embodiment of a device for detecting sand content in construction debris provided by the present application;

[0048] FIG5 is a structural block diagram of a third embodiment of a device for detecting sand content in construction debris provided by the present application;

[0049] FIG6 is a schematic structural diagram of a third embodiment of a device for detecting sand content in construction debris provided by the present application;

[0050] FIG7 is a partial cross-sectional view of a third embodiment of a device for detecting sand content in construction debris provided by the present application;

[0051] FIG8 is a flow chart of an embodiment of a method for detecting sand content in construction debris provided in an embodiment of the present application. DETAILED DESCRIPTION

[0052] The embodiments of the present application provide a device and method for detecting the sand content of construction waste soil, which solve the problems that the existing construction waste soil sand content detection is not portable and its accuracy and timeliness are difficult to guarantee.

[0053] The following will be combined with the accompanying drawings in this application to clearly and completely describe the technical solutions in the embodiments of this application. Obviously, the embodiments described are only part of the embodiments of this application, not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of this application.

[0054] In the description of this application, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this application and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0055] In the description of this application, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on the specific circumstances.

[0056] Please refer to FIG1 , which is a structural block diagram of a first embodiment of a device for detecting sand content in construction debris according to the present application.

[0057] As shown in FIG1 , the device for detecting the sand content of construction debris in this embodiment includes a mixing container 10 , a temperature detection unit 20 , a turbidity detection unit 30 , a transmission unit 50 and a numerical control unit 40 ;

[0058] A mixing container 10 is used to mix water and the construction waste soil to be tested to prepare a mixed solution;

[0059] A temperature detection unit 20 is used to detect the temperature of the mixed solution;

[0060] a turbidity detection unit 30, for detecting the turbidity of the mixed solution;

[0061] The transmission unit 50 is used to adjust the detection position of the turbidity detection unit 30;

[0062] The numerical control unit 40 is used to calculate the detection position of the turbidity detection unit 30 according to the temperature; and is also used to calculate the sand content of the construction debris according to the turbidity.

[0063] It should be noted that in this embodiment, when detecting the sand content of construction waste soil, the temperature detection unit 20 detects the temperature of the mixed solution after stabilization. The turbidity detection unit 30 is not limited to detecting a single turbidity of the mixed solution, but can detect multiple turbidities during the static state of the mixed solution. The numerical control unit 40 calculates the sand content of the construction waste soil based on the multiple turbidities.

[0064] It is understandable that in order to further ensure the accuracy of the test results, the water mixed with the construction waste to be tested can be pure water.

[0065] In this embodiment, the numerical control unit 40 calculates the detection position of the turbidity detection unit 30 according to the temperature, and then adjusts and determines the detection position of the turbidity detection unit 30 through the transmission unit 50 .

[0066] In this embodiment, the numerical control unit 40 includes a display subunit to display the temperature of the mixed solution, the detection position of the turbidity detection unit 30, the turbidity, and the sand content of the construction waste soil sample in real time.

[0067] Optionally, the mixing container 10 of this embodiment may have a capacity of 2 L and a height of 600 mm; the turbidity detection unit 30 may employ an online turbidity sensor based on a 90° light scattering principle with a range of 10,000 NTU and a measurement response time of 1 second; and the temperature detection unit 20 may employ an immersion electronic thermometer with a measurement accuracy of 0.1°C. It should be noted that the examples herein are merely illustrative.

[0068] The device for detecting the sand content of construction waste in this embodiment first detects the temperature of the mixed solution of construction waste and water in the mixing container through the temperature detection unit. The numerical control unit calculates the detection position of the turbidity detection unit based on the temperature. The detection position of the turbidity detection unit is then adjusted through the transmission unit. The turbidity of the mixed solution is then detected by the turbidity detection unit. At this time, the numerical control unit can quantitatively calculate the sand content of the construction waste based on the turbidity. Compared with the method of observing the boundary between mud and sand after standing by visual observation, the detection accuracy of this case is high. In addition, the entire detection process is simple, eliminating the repeated washing, drying and weighing processes of the existing technology, which can significantly improve the timeliness of the detection of the sand content of construction waste. Moreover, only a small-volume device is required to complete all operations, and it can be carried out in different temperature scenes and different environments, so that the detection of the sand content of construction waste is not restricted by the environment and is portable.

[0069] The above is the first embodiment of a device for detecting the sand content of construction waste provided in the embodiments of the present application. The following is the second embodiment of a device for detecting the sand content of construction waste provided in the embodiments of the present application.

[0070] 2 to 4 are respectively a structural diagram of a second embodiment of a device for detecting sand content in construction debris according to the present invention, a structural diagram of a transmission unit and a numerical control unit, and a partial cross-sectional view of the transmission unit.

[0071] The sand content detection device of the construction slag of this embodiment includes a mixing container 10, a temperature detection unit 20, a turbidity detection unit 30, a transmission unit 50 and a numerical control unit 40;

[0072] A mixing container 10 is used to mix water and the construction waste soil to be tested to prepare a mixed solution;

[0073] A temperature detection unit 20 is used to detect the temperature of the mixed solution;

[0074] a turbidity detection unit 30, for detecting the turbidity of the mixed solution;

[0075] The transmission unit 50 is used to adjust the detection position of the turbidity detection unit 30;

[0076] The numerical control unit 40 is used to calculate the detection position of the turbidity detection unit 30 according to the temperature; and is also used to calculate the sand content of the construction debris according to the turbidity.

[0077] In this embodiment, the capacity of the mixing container 10 can be 1.5L~2L, the height of the mixing container can be no less than 500mm~600mm, and the side wall of the mixing container 10 can be provided with a scale for measuring the position of the turbidity detection unit 30 (not marked in the figure).

[0078] The transmission unit 50 in this embodiment is a manual transmission unit. As shown in FIG2-4 , the transmission unit 50 includes a second detection positioning rod 501 , a second gear guide rail 502 , a coarse adjustment unit 503 , and a fine adjustment unit 504 .

[0079] The turbidity detection unit 30 is disposed at the first end of the second detection positioning rod 501 . When detecting the sand content of construction debris, the first end of the second detection positioning rod 501 is in the mixed solution 10 in the mixing container.

[0080] The second gear guide rail 502 is fixed to the side surface of the second detection positioning rod 501 along the length direction. The second gear guide rail 502 is provided with a coarse adjustment tooth groove 5021 and a fine adjustment tooth groove 5022 .

[0081] The coarse adjustment unit 503 includes a coarse adjustment knob 5031, a coarse adjustment linkage rod 5032 and a coarse adjustment gear 5033. One end of the coarse adjustment linkage rod 5032 is fixedly connected to the coarse adjustment knob 5031, and the other end of the coarse adjustment linkage rod 5032 is fixedly connected to the coarse adjustment gear 5033. The coarse adjustment gear 5033 engages with the coarse adjustment tooth groove 5021 on the gear guide rail.

[0082] The fine-tuning unit 504 includes a fine-tuning knob 5041, a fine-tuning linkage rod 5042 and a fine-tuning gear 5043. One end of the fine-tuning linkage rod 5042 is fixedly connected to the fine-tuning knob 5041, and the other end of the fine-tuning linkage rod 5042 is fixedly connected to the fine-tuning gear 5043. The fine-tuning gear 5043 is engaged with the fine-tuning tooth groove 5022 on the gear guide rail.

[0083] The coarse adjustment unit 503 and the fine adjustment unit 504 are used to adjust the depth of the first end of the second detection positioning rod 501 in the mixing container 10 .

[0084] In this embodiment, the temperature detection unit 20 is an immersion electronic thermometer, which is arranged on the second detection positioning rod 501 to detect the temperature of the mixed solution after stabilization. The mixing container 10 and the numerical control unit 40 are detachably connected, and a seal (not marked in the figure) is provided at the connection between the mixing container 10 and the numerical control unit 40. The numerical control unit 40 includes a display subunit 401, which is electrically connected to the temperature detection unit 20, the turbidity detection unit 30, and the transmission unit 50. The display subunit 401 is used to display the temperature, detection position, turbidity, and sand content.

[0085] It should be noted that the mixing container 10 and the numerical control unit 40 can be connected by means of threads or snaps, but are not limited thereto.

[0086] It should be noted that, in this embodiment, the numerical control unit 40 is installed on the second detection positioning rod 501 of the transmission unit 50, and the second detection positioning rod 501 can slide relative to the numerical control unit 40. When performing the sand content detection of the engineering slag, the first end of the second detection positioning rod 501 is located in the mixed solution of the mixing container 10, and the sealing member can seal the mixing container 10.

[0087] In this embodiment, the transmission unit 50 is used to adjust the detection position of the turbidity detection unit 30, specifically including:

[0088] A scale for measuring the position of the turbidity detection unit 30 is provided on the side wall of the mixing container 10. According to the preset detection position, the coarse adjustment unit 503 and the fine adjustment unit 504 of the transmission unit 50 are manually adjusted to adjust the depth of the first end of the second detection positioning rod 501 placed in the mixing container 10. The turbidity detection unit 30 located at the first end of the second detection positioning rod 501 is determined to be at the preset detection position by measuring the scale on the side wall of the mixing container 10.

[0089] In this embodiment, the numerical control unit 40 is used to calculate the detection position of the turbidity detection unit 30 according to the temperature, specifically including:

[0090] The temperature detection unit 20 transmits the detected temperature of the mixed solution to the numerical control unit 40, and the numerical control unit 40 calculates the temperature of the mixed solution according to the formula: y = ax 2 +bx+c

[0091] The detection position of the turbidity detection unit 30 is calculated; where y is the detection position, x is the temperature, a, b and c are all constants, the value range of a is: 0.015~0.03, the value range of b is: 2.5~5, and the value range of c is: 80~150.

[0092] In this embodiment, the numerical control unit 40 is used to calculate the sand content of the construction waste soil based on the turbidity, specifically including:

[0093] The turbidity detection unit 30 detects the turbidity of the mixed solution after standing for t1, t2, and t3, respectively, which are recorded as T1, T2, and T3, and then the turbidity is calculated by the formula:

[0094] Calculate the sand content of engineering debris;

[0095] Where η is the sand content; p is a constant, the value range of p is: 600~650; V is the volume of the mixed solution; T1 is the turbidity value measured after standing for t1 seconds, the value range of t1 is: 30~50; m is the air-dried mass of the engineering waste to be tested; q is the adjustment coefficient, T2 is the turbidity value measured after waiting for t2 seconds, and the value range of t2 is: 120~200. T3 is the turbidity value measured after waiting for t3 seconds, and the value range of t3 is 270~450. r, s and e are all constants, the value range of r is: 5~8, the value range of s is: 4~7, the value range of e is: 0.8~1.5, and n is 0.6~0.8.

[0096] The device for detecting the sand content of construction waste in this embodiment first detects the temperature of the mixed solution of construction waste and water in the mixing container through the temperature detection unit. The numerical control unit calculates the detection position of the turbidity detection unit based on the temperature. The transmission unit then adjusts the detection position of the turbidity detection unit to a preset detection position. The turbidity detection unit then detects multiple turbidities of the mixed solution at different standing times. At this time, the numerical control unit can quantitatively calculate the sand content of the construction waste based on the multiple turbidities. Compared with the method of visually observing the boundary between mud and sand after standing, the detection accuracy of this case is high. In addition, the entire detection process is simple, eliminating the repeated rinsing, drying and weighing processes of the existing technology, which can significantly improve the timeliness of the detection of the sand content of construction waste. All operations can be completed with a small-volume device, and can be carried out in different temperature scenes and different environments, so that the detection of the sand content of construction waste is not restricted by the environment and is portable.

[0097] The above is the second embodiment of a device for detecting the sand content of construction waste provided in the embodiments of the present application. The following is the third embodiment of a device for detecting the sand content of construction waste provided in the embodiments of the present application.

[0098] Please refer to FIG5 , which is a structural block diagram of a second embodiment of a device for detecting sand content in construction debris according to an embodiment of the present application.

[0099] In this embodiment, the device for detecting the sand content of construction debris includes a mixing container 10', a temperature detection unit 20', a turbidity detection unit 30', a transmission unit 50', a numerical control unit 40' and a liquid level detection unit 60;

[0100] A mixing container 10' is used to mix water and the engineering slag to be tested to prepare a mixed solution;

[0101] The temperature detection unit 20' is used to detect the temperature of the mixed solution;

[0102] Turbidity detection unit 30 ', used to detect the turbidity of the mixed solution;

[0103] The transmission unit 50' is used to adjust the detection position of the turbidity detection unit;

[0104] The liquid level detection unit 60 is used to detect the position of the turbidity detection unit 30' in real time;

[0105] The numerical control unit 40' is used to calculate the detection position of the turbidity detection unit 30' according to the temperature; it is also used to calculate the sand content of the construction waste soil according to the turbidity; it is also used to control the transmission unit 50' to adjust the turbidity detection unit 30' at its current position to the detection position.

[0106] 6 and 7 are a schematic structural view and a partial cross-sectional view of a third embodiment of a device for detecting sand content in construction debris according to the present invention.

[0107] In this embodiment, the transmission unit 50 ′ includes a first detection positioning rod 501 ′, a first gear guide rail 502 ′, a coarse adjustment gear motor 503 ′, and a fine adjustment gear motor 504 ′.

[0108] The turbidity detection unit 30' and the liquid level detection unit 60 are arranged at the first end of the first detection positioning rod 501'. When the sand content of the construction waste soil is detected, the first end of the first detection positioning rod 501' is in the mixed solution 10' of the mixing container.

[0109] The first gear guide rail 502' is fixed to the side surface of the first detection positioning rod 501' along the length direction. The first gear guide rail 502' is provided with a coarse adjustment tooth groove 5021' and a fine adjustment tooth groove 5022'. The gear 503' of the coarse adjustment gear motor is engaged with the coarse adjustment tooth groove 5021', and the gear of the fine adjustment gear motor 504' is engaged with the fine adjustment tooth groove 5022'.

[0110] In this embodiment, the mixing container 10' and the numerical control unit 40' are detachably connected, and a seal (not shown) is provided at the connection between the mixing container 10' and the numerical control unit 40'. The numerical control unit 40' includes a display subunit 401', which is electrically connected to the temperature detection unit 20', the turbidity detection unit 30', the transmission unit 50', and the liquid level detection unit 60. The display subunit 401' is used to display the temperature, detection position, turbidity, and sand content.

[0111] It should be noted that, in this embodiment, the numerical control unit 40' is installed on the first detection positioning rod 501' of the transmission unit 50'. When the sand content of the engineering slag is detected, the first end of the first detection positioning rod 501' is located in the mixed solution of the mixing container 10', and the sealing member can seal the mixing container 10'.

[0112] In this embodiment, the turbidity detection unit 30 ′ and the liquid level detection unit 60 are at the same height in the mixing container 10 , and the liquid level position detected by the liquid level detection unit 60 is the position of the turbidity detection unit 30 ′.

[0113] In this embodiment, the numerical control unit 40' is further used to control the transmission unit 50' to adjust the turbidity detection unit 30' located at a position to the detection position, specifically including:

[0114] The numerical control unit 40' collects the liquid level information of the liquid level detection unit 60 in real time to determine the position of the turbidity detection unit 30'; according to the preset detection position, the numerical control unit 40' controls the coarse adjustment gear motor 503' and the fine adjustment gear motor 504' to operate, so as to adjust the depth of the first end of the first detection positioning rod 501' in the mixing container 10' by coarse adjustment tooth groove 5021' cooperating with the gear 503' of the coarse adjustment gear motor, and fine adjustment tooth groove 5022' cooperating with the gear of the fine adjustment gear motor 504', so that the turbidity detection unit 30' and the liquid level detection unit 60 located at the first end of the first detection positioning rod 501' are located at the preset detection position.

[0115] It can be understood that the liquid level position measured by the liquid level detection unit 60 is the height difference between the turbidity detection unit 30' and the upper liquid surface of the mixed solution, and the measurement accuracy is 0.1mm; the CNC unit 40' receives the real-time data of the liquid level detection unit 60 and adjusts the transmission unit 50' until the turbidity detection unit 30' is in the detection position.

[0116] In this embodiment, the numerical control unit 40' is used to calculate the detection position of the turbidity detection unit 30' according to the temperature, specifically including:

[0117] The temperature detection unit 20' transmits the detected temperature of the mixed solution to the numerical control unit 40', and the numerical control unit 40' calculates the temperature of the mixed solution according to the formula: y = ax 2 +bx+c

[0118] The detection position of the turbidity detection unit 30' is calculated; where y is the detection position, x is the temperature, a, b and c are all constants, the value range of a is: 0.015~0.03, the value range of b is: 2.5~5, and the value range of c is: 80~150.

[0119] In this embodiment, the numerical control unit 40' is used to calculate the sand content of the construction waste soil based on the turbidity, specifically including:

[0120] The turbidity detection unit 30' detects the turbidity of the mixed solution after standing for t1, t2, and t3, respectively, which are recorded as T1, T2, and T3, and then the formula is used:

[0121] Calculate the sand content of engineering debris;

[0122] Where η is the sand content; p is a constant, the value range of p is: 600~650; V is the volume of the mixed solution; T1 is the turbidity value measured after standing for t1 seconds, the value range of t1 is: 30~50; m is the air-dried mass of the engineering waste to be tested; q is the adjustment coefficient, T2 is the turbidity value measured after waiting for t2 seconds, and the value range of t2 is: 120~200. T3 is the turbidity value measured after waiting for t3 seconds, and the value range of t3 is 270~450. r, s and e are all constants, the value range of r is: 5~8, the value range of s is: 4~7, the value range of e is: 0.8~1.5, and n is 0.6~0.8.

[0123] Optionally, in this embodiment, T1, T2, and T3 are turbidity values ​​measured after the mixed solution has been left to stand for 40 seconds, 160 seconds, and 360 seconds, respectively.

[0124] The device for detecting the sand content of construction waste in this embodiment first detects the temperature of the mixed solution of construction waste and water in the mixing container through the temperature detection unit. The numerical control unit calculates the detection position of the turbidity detection unit based on the temperature. The numerical control unit then controls the operation of the transmission unit to adjust the detection position of the turbidity detection unit to the preset detection position. The turbidity detection unit then detects multiple turbidities of the mixed solution at different standing times. At this time, the numerical control unit can quantitatively calculate the sand content of the construction waste based on the multiple turbidities. Compared with the method of visually observing the boundary between mud and sand after standing, the detection accuracy of this case is high. In addition, the entire detection process is simple, eliminating the repeated rinsing, drying and weighing processes of the existing technology, which can significantly improve the timeliness of the detection of the sand content of construction waste. All operations can be completed with a small-volume device, which can be carried out in different temperature scenes and different environments, so that the detection of the sand content of construction waste is not restricted by the environment and is portable.

[0125] The above is the third embodiment of a device for detecting the sand content of construction waste provided in the embodiments of the present application. The following is an embodiment of a method for detecting the sand content of construction waste provided in the embodiments of the present application.

[0126] Please refer to FIG8 . The method for detecting the sand content of construction slag in this embodiment is applied to the function or operation of the device for detecting the sand content of construction slag. The method includes:

[0127] S10, mixing water and the construction waste soil to be tested in a mixing container to prepare a mixed solution.

[0128] It should be noted that in this step, the air-dried mass of the construction waste should be weighed before preparing the mixed solution, and the volume of the mixed solution should be adapted to the size of the mixing container used to ensure the operability of the subsequent turbidity measurement.

[0129] It can be understood that when water and the construction waste to be tested are placed in a mixing container, the sealing of the mixing container is ensured, and the construction waste to be tested and the water are evenly mixed by shaking, inverting the mixing container or stirring the mixed solution.

[0130] S20. The temperature detection unit detects the temperature of the mixed solution.

[0131] It should be noted that, in this step, the temperature detection unit detects the temperature of the mixed solution after it is stabilized, that is, the temperature detection unit detects the temperature of the mixed solution after the temperature of the mixed solution is stabilized.

[0132] S30. The turbidity detection unit detects the turbidity of the mixed solution.

[0133] It should be noted that the turbidity detection unit detects multiple turbidity values ​​of the mixed solution after it has been left to stand for different periods of time.

[0134] S40: The transmission unit adjusts the detection position of the turbidity detection unit.

[0135] In this step, the transmission unit can adjust the detection position of the turbidity detection unit manually or electrically.

[0136] S50. The numerical control unit calculates the detection position of the turbidity detection unit according to the temperature; and calculates the sand content of the construction waste soil according to the turbidity.

[0137] It should be noted that, in this step, the numerical control unit calculates the detection position of the turbidity detection unit according to the temperature, specifically including:

[0138] The numerical control unit determines the turbidity detection position of the construction waste in the mixed solution according to the temperature based on the temperature-detection position calculation formula.

[0139] The temperature-detection position calculation formula includes: y=ax 2 +bx+c;

[0140] Where y is the turbidity measurement location in mm, x is the temperature in °C, and a, b, and c are constants. a ranges from 0.015 to 0.03, b ranges from 2.5 to 5, and c ranges from 80 to 150. This formula is obtained by fitting based on Stoke's law, particle size, and the average density of common clay minerals.

[0141] In this step, the numerical control unit calculates the sand content of the construction waste soil based on the turbidity, specifically including:

[0142] When a plurality of turbidity values ​​measured at the turbidity detection position are obtained, the sand content of the construction debris is determined according to the plurality of turbidity values ​​based on a turbidity-sand content calculation formula.

[0143] The turbidity-sand content calculation formula includes:

[0144] Where η is the sand content; p is a constant, the value range of p is: 600~650; V is the volume of the mixed solution; T1 is the turbidity value measured after standing for t1 seconds, the value range of t1 is: 30~50; m is the air-dried mass of the engineering waste to be tested; q is the adjustment coefficient, T2 is the turbidity value measured after waiting for t2 seconds, with a range of 120 to 200. T3 is the turbidity value measured after waiting for t3 seconds, with a range of 270 to 450. r, s, and e are all constants, with a range of 5 to 8 for r, 4 to 7 for s, 0.8 to 1.5 for e, and 0.6 to 0.8 for n. This formula is based on the quantitative relationship between turbidity and particle specific surface area and is adjusted using multiple turbidity measurements.

[0145] It should be noted that, in order to ensure the accuracy of the calculation results, in this embodiment, the sand content can be measured multiple times, and the target sand content of the construction waste soil can be obtained by combining the multiple sand contents.

[0146] The method for detecting the sand content of construction waste in this embodiment utilizes the principle of different sedimentation rates in particles of different particle sizes, and starts from the perspective of the turbidity change of the mixed solution after the construction waste is slurried. The turbidity detection position is calculated according to the temperature of the mixed solution. The turbidity value at a fixed height is detected during the static state of the mixed solution, and the sand content of the construction waste is directly quantitatively calculated based on the turbidity detection results. Compared with the method of visually observing the mud-sand boundary after static state, the accuracy is significantly improved; compared with the test method of repeated rinsing, drying and weighing, the test steps are greatly reduced, the limitation of the measurement environment is eliminated, the test time is shortened, and the timeliness is significantly improved; the sand content of construction waste can be detected without the need for additional large-volume and high-power equipment, which solves the technical problems of existing sand content detection methods that are difficult to ensure detection accuracy and timeliness.

[0147] Those skilled in the art will appreciate that the embodiments of the present application can be provided as methods, systems, or computer program products. Therefore, the present application can adopt the form of a complete hardware embodiment, a complete software embodiment, or an embodiment in combination with software and hardware. Moreover, the present application can adopt the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to magnetic disk storage, CD-ROM, optical storage, etc.) that contain computer-usable program code.

[0148] The present application is described with reference to the flow chart and / or block diagram of the method, device (system), and computer program product according to the embodiment of the present application. It should be understood that each flow process and / or box in the flow chart and / or block diagram and the combination of the flow process and / or box in the flow chart and / or block diagram can be realized by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded processing machine or other programmable data processing device to produce a machine, so that the instructions executed by the processor of the computer or other programmable data processing device produce a device for realizing the function specified in one flow chart flow or multiple flows and / or one box or multiple boxes of the block diagram.

[0149] It should also be noted that the terms "comprises," "includes," or any other variations thereof are intended to encompass non-exclusive inclusion, such that a process, method, commodity, or apparatus that includes a series of elements includes not only those elements but also other elements not explicitly listed, or includes elements inherent to such process, method, commodity, or apparatus. In the absence of further limitations, an element defined by the phrase "comprises a ..." does not exclude the presence of other identical elements in the process, method, commodity, or apparatus that includes the element.

[0150] The foregoing is merely an embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various changes and variations. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present application should all be included within the scope of the claims of the present application.

Claims

1. A device for detecting the sand content of construction slag, characterized in that: The device comprises: a mixing container, a temperature detection unit, a turbidity detection unit, a transmission unit and a numerical control unit; The mixing container is used to mix water and the engineering slag to be tested to prepare a mixed solution; The temperature detection unit is used to detect the temperature of the mixed solution; The turbidity detection unit is used to detect the turbidity of the mixed solution; The transmission unit is used to adjust the detection position of the turbidity detection unit; The numerical control unit is used to calculate the detection position of the turbidity detection unit according to the temperature; and is also used to calculate the sand content of the engineering slag according to the turbidity.

2. The device for detecting sand content in construction slag according to claim 1, characterized in that: The device further comprises a liquid level detection unit, and the liquid level detection unit is used to detect the position of the turbidity detection unit in real time; The numerical control unit is further used to control the transmission unit to adjust the turbidity detection unit located at the position to the detection position.

3. The device for detecting sand content in construction slag according to claim 2, characterized in that: The turbidity detection unit and the liquid level detection unit are at the same height in the mixing container.

4. The device for detecting sand content in construction slag according to claim 2, characterized in that: The transmission unit comprises: a first detection positioning rod, a first gear guide rail, a coarse adjustment gear motor, and a fine adjustment gear motor; The turbidity detection unit and the liquid level detection unit are arranged at the first end of the first detection positioning rod. When the sand content of the engineering slag is detected, the first end of the first detection positioning rod is in the mixed solution of the mixing container; The first gear guide is fixed to the side surface of the first detection positioning rod along the length direction, and a first coarse adjustment tooth groove and a first fine adjustment tooth groove are arranged on the first gear guide, the gear of the coarse adjustment gear motor is meshed with the first coarse adjustment tooth groove, and the gear of the fine adjustment gear motor is meshed with the fine adjustment tooth groove; The coarse adjustment gear motor and the fine adjustment gear motor are used to adjust the first end of the first detection positioning rod to be positioned at Depth within the mixing container.

5. The device for detecting sand content in construction slag according to claim 1, characterized in that: A scale for measuring the position of the turbidity detection unit is arranged on the side wall of the mixing container.

6. The device for detecting sand content in construction slag according to claim 5, characterized in that: The transmission unit comprises: a second detection positioning rod, a second gear guide rail, a coarse adjustment unit, and a fine adjustment unit; The turbidity detection unit is arranged at the first end of the second detection positioning rod. When the sand content of the construction slag is detected, the first end of the second detection positioning rod is in the mixed solution of the mixing container; The second gear guide rail is fixed to the side surface of the second detection positioning rod along the length direction, and the second gear guide rail is provided with a second coarse adjustment tooth groove and a second fine adjustment tooth groove; The coarse adjustment unit comprises a coarse adjustment knob, a coarse adjustment linkage rod and a coarse adjustment gear, one end of the coarse adjustment linkage rod is fixedly connected to the coarse adjustment knob, the other end of the coarse adjustment linkage rod is fixedly connected to the coarse adjustment gear, and the coarse adjustment gear is meshed with a second coarse adjustment tooth groove on the second gear guide rail; The fine-tuning unit comprises a fine-tuning knob, a fine-tuning linkage rod and a fine-tuning gear, one end of the fine-tuning linkage rod is fixedly connected to the fine-tuning knob, the other end of the fine-tuning linkage rod is fixedly connected to the fine-tuning gear, and the fine-tuning gear is meshed with a second fine-tuning tooth groove on the second wheel guide rail; The coarse adjustment unit and the fine adjustment unit are used to adjust the depth at which the first end of the second detection positioning rod is placed in the mixing container.

7. The device for detecting sand content in construction slag according to claim 1, characterized in that: The mixing container and the numerical control unit are detachably connected.

8. The device for detecting sand content in construction slag according to claim 7, characterized in that: A sealing member is provided at the connection between the mixing container and the numerical control unit.

9. The device for detecting sand content in construction slag according to claim 1, characterized in that: The display subunit of the numerical control unit is specifically used to display the temperature, the detection position, the turbidity and the sand content.

10. A method for detecting the sand content of engineering slag, characterized in that: Applied to the function or operation of the device for detecting the sand content of construction slag as claimed in any one of claims 1 to 9, the method comprises: The mixing container mixes water and the engineering slag to be tested to prepare a mixed solution; The temperature detection unit detects the temperature of the mixed solution; The transmission unit adjusts the detection position of the turbidity detection unit; The turbidity detection unit detects the turbidity of the mixed solution; The numerical control unit calculates the detection position of the turbidity detection unit according to the temperature; and calculates the sand content of the construction waste soil according to the turbidity.

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