CN112748037A - Method for rapidly measuring sand and stone mud content - Google Patents
Method for rapidly measuring sand and stone mud content Download PDFInfo
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- CN112748037A CN112748037A CN202011549194.2A CN202011549194A CN112748037A CN 112748037 A CN112748037 A CN 112748037A CN 202011549194 A CN202011549194 A CN 202011549194A CN 112748037 A CN112748037 A CN 112748037A
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- 239000004576 sand Substances 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 26
- 239000004575 stone Substances 0.000 title claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 101
- 238000001514 detection method Methods 0.000 claims abstract description 67
- 238000005303 weighing Methods 0.000 claims abstract description 19
- 238000003756 stirring Methods 0.000 claims abstract description 8
- 239000008213 purified water Substances 0.000 claims abstract description 6
- 238000001914 filtration Methods 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 claims abstract description 5
- 238000002347 injection Methods 0.000 claims description 30
- 239000007924 injection Substances 0.000 claims description 30
- 238000012216 screening Methods 0.000 claims description 17
- 238000004364 calculation method Methods 0.000 claims description 15
- 238000004458 analytical method Methods 0.000 claims description 9
- 230000002452 interceptive effect Effects 0.000 claims description 4
- 238000007405 data analysis Methods 0.000 claims description 2
- 238000013500 data storage Methods 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 16
- 238000005259 measurement Methods 0.000 description 7
- 238000001035 drying Methods 0.000 description 6
- 238000005406 washing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000006004 Quartz sand Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004579 marble Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/04—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder
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- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention discloses a method for rapidly measuring the sand and stone mud content, comprising the steps of S1, placing a proper amount of sample to be measured in a detection cylinder, measuring the gross weight of the sample to be measured by a weighing device, and measuring the water content of the sample to be measured by a built-in water content measuring device, thereby obtaining the net weight of the sample to be measured; s2 adding quantitative purified water into the detection cylinder, starting the automatic stirring device, elutriating the sample until the turbid liquid meets the turbidity requirement, filtering and emptying water in the detection cylinder, weighing the washed sample again by the weighing device, and determining the water content to obtain the net weight m of the sample to be measured1(ii) a S3, repeating the operation of the step 2 to obtain the net weight m of the sample to be measured2If m is2And m1If the difference value is within the set error range, the next step is carried out, and if the difference value exceeds the error range, the step S3 is repeated; and step S4, the central control system calculates the mud content eta, and the invention can realize the rapid and accurate detection of the mud content in the sand.
Description
[ technical field ]
The invention relates to the field of concrete detection devices, in particular to a method for rapidly determining sand and stone mud content.
[ background art ]
The current technical pain points are: firstly, most of evaluation tests aiming at the mud content of raw materials such as sand and stone are manually detected, the time consumption is long, the interval is long, and the obtained parameters and the actually used materials have serious lag; secondly, the detection steps of the mud content detection equipment in the current market are as follows: automatic weighing, washing and drying, wherein the drying time is long, the materials are difficult to ensure complete drying, and the measurement error is large; thirdly, the current mud content detection equipment does not judge whether mud is cleaned or not after water washing is finished, so the detection accuracy of the equipment is uncertain.
The invention patent (201911293530.9) of China, which is a mud content detection device for concrete aggregate, realizes automatic weighing, washing and drying of mud content through an automatic detection device, and replaces manual operation, but the detection time needs several hours. Therefore, the production cannot be guided in time. The Chinese invention patent 'a test system for aggregate mud content and mud block content' is also an operation requiring drying, and can not quickly and accurately determine the mud content.
[ summary of the invention ]
The invention overcomes the defects of the technology and provides a rapid determination method for accurately detecting the sand and stone mud content.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method for rapidly measuring the sand content comprises the following steps:
step S1, setting a turbidity value F and an error value theta, placing a proper amount of sample to be detected in a detection cylinder, respectively measuring the gross weight M and the water content q of the sample to be detected, and according to a calculation formula:
obtaining the net weight m of the sample to be detected with the weight of water removed;
step S2, adding quantitative purified water into the detection cylinder, stirring and elutriating the sample to be detected, standing for a period of time, detecting the turbidity value F1 of the turbid liquid, and judging whether the turbidity detection value F1 is smaller than the turbidity set value F;
step S3, if yes, filtering and emptying the water in the detection cylinder, and respectively measuring the gross weight M of the sample to be measurednAnd the water content q of the sample to be measurednAccording to the calculation formula:
obtaining the net weight m of the nth sample to be detected from the weight of the water removednAnd executing the step S4, otherwise, filtering and emptying the water in the detection cylinder, and returning to the step S2;
step S4, repeating the step S2 to obtain the net weight m of the n +1 th sample to be detected from the weight of the removed watern+1And judging that the nth time and the n +1 th time meet the calculation formula:
if not, let mn＝mn+1Step S4 is executed;
if yes, according to a calculation formula:
and obtaining the mud content eta of the sample to be detected.
The method for rapidly measuring the sand and stone mud content is characterized by comprising the following steps: the system also comprises a central control system module, wherein an analysis module for data storage, data analysis and data calculation is arranged in the central control system module.
The method for rapidly measuring the sand and stone mud content is characterized by comprising the following steps: the central control system module is connected with an interactive system module which is used for setting a turbidity value F, an error value theta and rest time and displaying the calculation analysis data of the sample to be tested.
The method for rapidly measuring the sand and stone mud content is characterized by comprising the following steps: the detection cylinder is provided with a temperature measuring device which is connected with the central control system module and used for measuring the temperature of the sample to be measured.
The method for rapidly measuring the sand and stone mud content is characterized by comprising the following steps: the detection cylinder is provided with a weighing device which is connected with the central control system module and is used for measuring the gross weight of the sample to be measured in the area.
The method for rapidly measuring the sand and stone mud content is characterized by comprising the following steps: the detection cylinder is internally provided with a moisture content determination device which is connected with the central control system module and is used for measuring the moisture content of the sample to be detected.
The method for rapidly measuring the sand and stone mud content is characterized by comprising the following steps: the detection cylinder is provided with a water injection device which is connected with the central control system module and is used for injecting quantitative purified water into the detection cylinder.
The method for rapidly measuring the sand and stone mud content is characterized by comprising the following steps: and a screening and elutriating device which is connected with the central control system module and is used for stirring the sample to be tested after water injection is arranged in the detection cylinder.
The method for rapidly measuring the sand and stone mud content is characterized by comprising the following steps: a turbidity detection device connected with the central control system module and used for detecting the turbidity of the turbid liquid after stirring is arranged in the detection cylinder.
The method for rapidly measuring the sand and stone mud content is characterized by comprising the following steps: and the detection cylinder is provided with a drainage device connected with the central control system module.
The invention has the beneficial effects that:
1. according to the invention, through an automatic detection method, automatic monitoring of the mud content is realized, manual operation is effectively reduced, the labor intensity of workers is reduced, and the mud content detection efficiency is improved.
2. According to the invention, by detecting the water content, the drying step in all the existing mud content equipment is omitted, and the equipment detection time is effectively reduced.
3. The invention judges whether the mud amount in the sample to be detected is cleaned or not through turbidity detection, can reduce the washing times and effectively improve the measurement efficiency of mud content detection.
4. The invention improves the detection precision and speed of the mud content through multiple times of water content measurement, and further improves the speed of turbidity detection.
5. According to the invention, by setting the error value, the measurement precision and the measurement time are more flexibly adjusted, and the mud content detection precision is more accurately improved by screening and elutriating for at least 2 times.
[ description of the drawings ]
FIG. 1 is a flow chart of the present invention;
FIG. 2 is a schematic diagram illustrating the principle of the sludge content detection of the present invention;
fig. 3 is a data transmission diagram of the mud content detection of the present invention.
[ detailed description of the invention ]
Embodiments of the invention will be further described with reference to the accompanying drawings, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout.
The embodiments described below are exemplary embodiments with reference to the drawings, are intended to explain the present invention and should not be construed as limiting the present invention, and any modification, equivalent replacement or improvement made by the technical path or scheme of the present invention, which is not described in detail in the technical scheme but is known in the art, should be included in the scope of the claims of the present invention.
As shown in FIGS. 1 to 3, a method for rapidly measuring the sand content comprises the following steps:
step S1, setting a turbidity value F, an error value theta and rest time through the interactive system module, placing a proper amount of sample to be measured in the detection cylinder, measuring the temperature of the sample to be measured by the temperature measuring device, and measuring the gross weight M and the water content q of the sample to be measured respectively by the weighing device and the water content measuring device, wherein the analysis module in the central control system module is according to a calculation formula:
obtaining the net weight m of the sample to be detected with the weight of water removed;
step S2, adding quantitative purified water into the detection cylinder by the water injection device, stirring and elutriating the sample to be detected by the screening and elutriating device, standing for a period of time, detecting a turbidity value F1 by the turbidity detection device, and judging whether a turbidity detection value F1 is smaller than a turbidity set value F by the analysis module;
step S3, if yes, controlling the drainage device to filter and drain the water in the detection cylinder, and respectively measuring the gross weight M of the sample to be measured by the weighing device and the water content measuring devicenAnd to be measuredWater content q of the samplenAnd the analysis module is used for calculating the following formula:
obtaining the net weight m of the nth sample to be detected from the weight of the water removednAnd executing the step S4, otherwise, controlling the drainage device to filter and empty the water in the detection cylinder, and returning to the step S2;
step S4, the step S2 is repeatedly executed, and the analysis module obtains the net weight m of the n +1 th sample to be detected for removing the water weightn+1And judging that the nth time and the n +1 th time meet the calculation formula:
if not, let mn＝mn+1Step S4 is executed;
if yes, the analysis module calculates the formula:
obtaining the mud content eta of the sample to be detected, receiving the detection data by the central control system module, displaying and storing the mud content eta of the sample to be detected, the temperature and turbidity value of the sample to be detected and the gross weight M of the sample to be detected at each time by the interactive system modulenWater content q of the sample to be measurednAnd so on.
Specific operation example one:
after a sample to be detected, 1kg of quartz sand, is put into a detection cylinder, turbidity is set to be 1NTU and error is set to be 2% through a central control system, and a button for starting detection is clicked. The temperature of the sample to be measured is measured by the temperature measuring device is 20 ℃, the weight of the sample to be measured by the weighing device is 1kg, the water content of the sample to be measured is measured by the water content measuring device is 2%, and the whole net weight (weight of water removed) of the sample to be measured is 980 g; after 10 seconds, the central control system controls the water injection screening and elutriating device to start water injection, when the water level reaches a set position, the central control system controls the water injection device to stop water injection, the screening and elutriating device is started to elutriate the internal silt, after elutriation is finished, the water is kept still for 1 minute, the water is detected to be 0.81NTU through the turbidity detection device, and the set requirement is met. The central control system controls the drainage device to be started, after drainage is finished, the weighing device weighs 982g of the sample to be detected, and the water content measuring device measures 7% of the water content of the sample to be detected, so that 917.8g of the total net weight (weight of removed water) of the sample to be detected is obtained. After 10 seconds, the water injection screening and elutriating device starts water injection for the second time, when the water level reaches a set position, the central control system controls the water injection device to stop water injection, the screening and elutriating device is started to elutriate the internal sediment, after the elutriation is finished, the water injection screening and elutriating device stands for 1 minute, the turbidity detection value is 0.88NTU, and the set requirements are met. And starting the drainage device, weighing 981g of the sample to be measured by the weighing device after drainage is finished, and measuring 7.1% of water content of the sample to be measured by the water content measuring device to obtain 916g of the total net weight (weight of water removed) of the sample to be measured. The data are stored in the central control system and displayed on a screen. The central control system starts to calculate whether the results satisfy the error value for 2 times. The calculation results show that the set error is met, and the mud content is calculated to be 6.9%. The overall measurement time does not exceed 10 minutes.
Specific operation example two:
after 2kg of marble sample to be detected is put into the detection cylinder, the turbidity is set to be 1NTU and the error is set to be 2% through a central control system, and a button for starting detection is clicked. The temperature of the sample to be measured by the temperature measuring device was 21 ℃, the weight of the sample to be measured by the weighing device was 2kg, and the water content of the sample to be measured by the water content measuring device was 2%, whereby 1980g of the total net weight (weight of water removed) of the sample to be measured was obtained. After 10 seconds, the central control system controls the water injection screening and elutriating device to start water injection, when the water level reaches a set position, the central control system controls the water injection device to stop water injection, the screening and elutriating device is started to elutriate the internal silt, after the elutriation is finished, the water is kept still for 1 minute, the water is detected to be 1.2NTU through the turbidity detection device, and the set requirement is not met. And the central control system controls the water injection screening elutriation device to start water injection for the second time, when the water level reaches a set position, the central control system controls the water injection device to stop water injection, starts the screening elutriation device to elutriate the internal silt, stands for 1 minute after elutriation is finished, and is detected to be 0.87NTU by the turbidity detection device to meet set requirements. The central control system controls the drainage device to start, after drainage is finished, the weighing device weighs 1982g of the sample to be detected, and the water content measuring device measures 4% of the water content of the sample to be detected, so that 1905.7g of the total net weight (weight of removed water) of the sample to be detected is obtained. After 10 seconds, the central control system controls the water injection screening and elutriating device to start water injection for the second time, when the water level reaches a set position, the central control system controls the water injection device to stop water injection, the screening and elutriating device is started to elutriate the internal silt, after the elutriation is finished, the water is kept still for 1 minute, and the water is detected to be 0.88NTU through the turbidity detection device, so that the set requirement is met. And starting the drainage device, weighing 1980g of the sample to be measured by the weighing device after drainage is finished, and measuring 6.2% of water content of the sample to be measured by the water content measuring device to obtain 1864.4g of the total net weight (weight of water removed) of the sample to be measured. The central control system starts to calculate whether the results meet the error or not for 2 times. And calculating to obtain the unsatisfied error. After 10 seconds, the central control system controls the water injection screening and elutriating device to start water injection for the third time, when the water level reaches a set position, the central control system controls the water injection device to stop water injection, the screening and elutriating device is started to elutriate the internal silt, after the elutriation is finished, the water is kept still for 1 minute, and the water is detected to be 0.8NTU through the turbidity detection device, so that the set requirement is met. And starting the drainage device, weighing 1982g of the sample to be measured by the weighing device after drainage is finished, and measuring 6.3 percent of water content of the sample to be measured by the water content measuring device to obtain 1864.5g of the total net weight (weight of water removed) of the sample to be measured. The central control system calculates the mud content to be 6.19%. The data are stored in the central control system and displayed on a screen. The central control system starts to calculate whether the results meet the error or not for 2 times. And calculating to obtain the condition that the set error is met, wherein the integral measurement time is not more than 20 minutes.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, and any modifications, equivalents or improvements made by the technical solutions or schemes of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. A method for rapidly measuring the sand content comprises the following steps:
step S1, setting a turbidity value F and an error value theta, placing a proper amount of sample to be detected in a detection cylinder, respectively measuring the gross weight M and the water content q of the sample to be detected, and according to a calculation formula:
obtaining the net weight m of the sample to be detected with the weight of water removed;
step S2, adding quantitative purified water into the detection cylinder, stirring and elutriating the sample to be detected, standing for a period of time, detecting the turbidity value F1 of the turbid liquid, and judging whether the turbidity detection value F1 is smaller than the turbidity set value F;
step S3, if yes, filtering and emptying the water in the detection cylinder, and respectively measuring the gross weight M of the sample to be measurednAnd the water content q of the sample to be measurednAccording to the calculation formula:
obtaining the net weight m of the nth sample to be detected from the weight of the water removednAnd executing the step S4, otherwise, filtering and emptying the water in the detection cylinder, and returning to the step S2;
step S4, repeating the step S2 to obtain the net weight m of the n +1 th sample to be detected from the weight of the removed watern+1And judging that the nth time and the n +1 th time meet the calculation formula:
if not, let mn＝mn+1Step S4 is executed;
if yes, according to a calculation formula:
and obtaining the mud content eta of the sample to be detected.
2. The method for rapidly measuring the sand and stone content according to claim 1, which is characterized in that: the system also comprises a central control system module, wherein an analysis module for data storage, data analysis and data calculation is arranged in the central control system module.
3. The method for rapidly measuring the sand and stone content according to claim 2, which is characterized in that: the central control system module is connected with an interactive system module which is used for setting a turbidity value F, an error value theta and rest time and displaying the calculation analysis data of the sample to be tested.
4. The method for rapidly measuring the sand and stone content according to claim 2, which is characterized in that: the detection cylinder is provided with a temperature measuring device which is connected with the central control system module and used for measuring the temperature of the sample to be measured.
5. The method for rapidly measuring the sand and stone content according to claim 2, which is characterized in that: the detection cylinder is provided with a weighing device which is connected with the central control system module and is used for measuring the gross weight of the sample to be measured in the area.
6. The method for rapidly measuring the sand and stone content according to claim 2, which is characterized in that: the detection cylinder is internally provided with a moisture content determination device which is connected with the central control system module and is used for measuring the moisture content of the sample to be detected.
7. The method for rapidly measuring the sand and stone content according to claim 2, which is characterized in that: the detection cylinder is provided with a water injection device which is connected with the central control system module and is used for injecting quantitative purified water into the detection cylinder.
8. The method for rapidly measuring the sand and stone content according to claim 2, which is characterized in that: and a screening and elutriating device which is connected with the central control system module and is used for stirring the sample to be tested after water injection is arranged in the detection cylinder.
9. The method for rapidly measuring the sand and stone content according to claim 2, which is characterized in that: a turbidity detection device connected with the central control system module and used for detecting the turbidity of the turbid liquid after stirring is arranged in the detection cylinder.
10. The method for rapidly measuring the sand and stone content according to claim 2, which is characterized in that: and the detection cylinder is provided with a drainage device connected with the central control system module.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115343228A (en) * | 2022-07-22 | 2022-11-15 | 深圳大学 | Method, device and equipment for determining sand and stone mud content |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106018159A (en) * | 2016-05-26 | 2016-10-12 | 廊坊市高瓷新材料科技有限公司 | Detection method for content of ceramic powder of organic ceramic mixture |
| CN210923382U (en) * | 2020-05-21 | 2020-07-03 | 湖南凝英新材料科技有限公司 | Detection equipment |
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2020
- 2020-12-24 CN CN202011549194.2A patent/CN112748037A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106018159A (en) * | 2016-05-26 | 2016-10-12 | 廊坊市高瓷新材料科技有限公司 | Detection method for content of ceramic powder of organic ceramic mixture |
| CN210923382U (en) * | 2020-05-21 | 2020-07-03 | 湖南凝英新材料科技有限公司 | Detection equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115343228A (en) * | 2022-07-22 | 2022-11-15 | 深圳大学 | Method, device and equipment for determining sand and stone mud content |
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