CN116773276A - Online detection device for properties of coal water slurry and coal water slurry production line - Google Patents
Online detection device for properties of coal water slurry and coal water slurry production line Download PDFInfo
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- CN116773276A CN116773276A CN202310745504.5A CN202310745504A CN116773276A CN 116773276 A CN116773276 A CN 116773276A CN 202310745504 A CN202310745504 A CN 202310745504A CN 116773276 A CN116773276 A CN 116773276A
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- 239000003245 coal Substances 0.000 title claims abstract description 127
- 239000002002 slurry Substances 0.000 title claims abstract description 110
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 108
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 71
- 238000001514 detection method Methods 0.000 title claims abstract description 63
- 239000003250 coal slurry Substances 0.000 claims abstract description 110
- 238000002156 mixing Methods 0.000 claims abstract description 96
- 238000005070 sampling Methods 0.000 claims abstract description 81
- 238000005259 measurement Methods 0.000 claims abstract description 28
- 239000007788 liquid Substances 0.000 claims description 45
- 239000002270 dispersing agent Substances 0.000 claims description 33
- 238000003860 storage Methods 0.000 claims description 12
- 230000035800 maturation Effects 0.000 claims description 9
- 239000002994 raw material Substances 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000012360 testing method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000002411 adverse Effects 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002699 waste material 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
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/16—Devices for withdrawing samples in the liquid or fluent state with provision for intake at several levels
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
- G01K13/02—Thermometers specially adapted for specific purposes for measuring temperature of moving fluids or granular materials capable of flow
- G01K13/026—Thermometers specially adapted for specific purposes for measuring temperature of moving fluids or granular materials capable of flow of moving liquids
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/38—Diluting, dispersing or mixing samples
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/22—Fuels; Explosives
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/38—Diluting, dispersing or mixing samples
- G01N2001/386—Other diluting or mixing processes
- G01N2001/387—Other diluting or mixing processes mixing by blowing a gas, bubbling
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Abstract
The application provides a coal water slurry property online detection device and a coal water slurry production line, wherein the coal water slurry property online detection device comprises: the sampling tube is telescopically arranged in the water-coal-slurry production line to sample the water-coal-slurry at different positions in the water-coal-slurry production line; the air bubble mixing component is communicated with the sampling pipe through a pipeline and is used for uniformly mixing the water-coal-slurry obtained by sampling the sampling pipe; the temperature sensor is arranged in the bubble mixing component and used for detecting the temperature of the coal water slurry; the concentration measuring assembly is arranged on a pipeline between the sampling pipe and the bubble mixing assembly and is used for detecting the concentration of the coal water slurry entering the bubble mixing assembly; the viscosity measurement assembly is arranged in the bubble mixing assembly and used for detecting the viscosity of the water-coal-slurry which is uniformly mixed by the bubble mixing assembly. The application realizes the simultaneous measurement of the temperature, the concentration and the viscosity of the coal water slurry, thereby improving the overall detection efficiency of multiple parameters of the coal water slurry; the application can provide data reference for the production of the coal water slurry.
Description
Technical Field
The application relates to the technical field of water-coal-slurry detection, in particular to an online water-coal-slurry property detection device and a water-coal-slurry production line.
Background
At present, in a preparation process link of high-concentration coal water slurry, detecting whether the coal water slurry reaches an ideal curing degree is a crucial step in the process link (namely, detecting the property of the coal water slurry); the existing device for detecting the properties of the water-coal-slurry is usually used for detecting the temperature, the concentration and the viscosity of the water-coal-slurry (various property parameters of the water-coal-slurry), each detection device is a complete data platform, if multiple indexes of the water-coal-slurry need to be detected simultaneously, the collection and analysis of detection data are needed to be carried out through multiple data platforms, the efficiency of detecting the properties of the water-coal-slurry can be greatly reduced by the multi-platform and multi-step detection means, various property parameters of the water-coal-slurry can not be obtained in real time, and the probability of data collection errors is increased by manually acquiring the data from different platforms by a worker, so that the analysis result of the properties of the water-coal-slurry is not accurate enough, and the judgment of the preparation quality of the whole water-coal-slurry is further influenced.
In conclusion, the existing online detection device for the properties of the water-coal-slurry cannot realize simultaneous measurement of the temperature, concentration and viscosity of the water-coal-slurry, so that the flow of the property test of the water-coal-slurry is prolonged, the detection time is prolonged, and the detection result cannot provide real-time guidance for production in time.
Disclosure of Invention
The application provides a coal water slurry property online detection device and a coal water slurry production line, which are used for solving the problem that the coal water slurry property online detection device in the prior art cannot realize simultaneous measurement of the temperature, concentration and viscosity of the coal water slurry, so that the overall detection efficiency of multiple parameters of the coal water slurry is low.
In order to solve the above problems, according to one aspect of the present application, there is provided an on-line detection apparatus for on-line detection of coal water slurry produced by a coal water slurry production line, comprising: the sampling tube is telescopically arranged in the water-coal-slurry production line to sample the water-coal-slurry at different positions in the water-coal-slurry production line; the air bubble mixing component is communicated with the sampling pipe through a pipeline and is used for uniformly mixing the water-coal-slurry obtained by sampling the sampling pipe; the temperature sensor is arranged in the bubble mixing component and used for detecting the temperature of the coal water slurry; the concentration measuring assembly is arranged on a pipeline between the sampling pipe and the bubble mixing assembly and is used for detecting the concentration of the coal water slurry entering the bubble mixing assembly; the viscosity measurement assembly is arranged in the bubble mixing assembly and used for detecting the viscosity of the water-coal-slurry which is uniformly mixed by the bubble mixing assembly.
Further, the on-line detection device for the properties of the water-coal-slurry further comprises a circulating pump which is respectively communicated with the water-coal-slurry production line and the bubble mixing assembly through pipelines and used for driving the water-coal-slurry in the bubble mixing assembly to return into the water-coal-slurry production line.
Further, the bubble mixing component comprises a mixing container and an air compressor, and the mixing container is communicated with the sampling tube through a pipeline; the air compressor is communicated with the lower part of the mixing container through a pipeline; the air compressor circularly generates air with certain pressure, and the air disturbs the water-coal-slurry from the lower part to the upper part of the mixing container so as to mix the water-coal-slurry uniformly.
Further, the on-line detection device for the properties of the coal water slurry also comprises a sampling pump, wherein the sampling pump is respectively communicated with the sampling pipe and the bubble mixing assembly and is used for driving the coal water slurry sampled by the sampling pipe to enter the bubble mixing assembly; the concentration measuring assembly is arranged on a pipeline between the sampling pump and the bubble mixing assembly.
Further, the on-line detection device for the properties of the coal water slurry further comprises a flowmeter, wherein the flowmeter is arranged on a pipeline between the sampling pipe and the bubble mixing assembly and is used for recording the flow of the coal water slurry entering the bubble mixing assembly.
Further, the online detection device for the properties of the coal water slurry further comprises an electric push rod, wherein the electric push rod is arranged in the coal water slurry production line and connected with the sampling pipe, and the electric push rod controls the sampling pipe to sample at a set position in the coal water slurry production line by driving the sampling pipe to move in a telescopic manner.
According to another aspect of the present application, there is provided a water-coal-slurry production line, including the above-mentioned water-coal-slurry property on-line detection device, the water-coal-slurry production line further includes: the coal storage bin is used for storing solid coal raw materials; a dispersant tank for storing a dispersant; a liquid tank for storing liquid; the curing tank is respectively communicated with the coal storage bin, the dispersing agent tank and the liquid tank through pipelines; the stirrer is arranged in the curing tank and is used for stirring the solid coal raw material, the dispersing agent and the liquid to form coal water slurry; wherein the sampling tube is telescopically arranged in the curing tank.
Further, the water-coal-slurry production line also comprises a belt metering and conveying component, a dispersant metering pump and a liquid metering pump, wherein the belt metering and conveying component is arranged between the coal storage bin and the curing tank and is used for conveying quantitative solid coal raw materials into the curing tank; the dispersing agent metering pump is arranged on a pipeline between the dispersing agent tank and the curing tank and is used for conveying quantitative dispersing agent into the curing tank; the liquid metering pump is arranged on a pipeline between the liquid tank and the curing tank and is used for conveying quantitative liquid into the curing tank.
Further, the water-coal-slurry production line also comprises a liquid level meter, wherein the liquid level meter is arranged in the curing tank and is used for measuring the liquid level height of the liquid in the curing tank.
Further, the coal water slurry production line also comprises an intelligent control unit, wherein the intelligent control unit is electrically connected with at least one of at least one part of the coal water slurry production line, the sampling tube, the bubble mixing component, the temperature sensor, the concentration measuring component and the viscosity measuring component, and the intelligent control unit is used for remotely controlling and transmitting data.
By applying the technical scheme of the application, the application provides an online detection device for the properties of coal water slurry, which is used for online detection of the coal water slurry produced by a coal water slurry production line and comprises the following steps: the sampling tube is telescopically arranged in the water-coal-slurry production line to sample the water-coal-slurry at different positions in the water-coal-slurry production line; the air bubble mixing component is communicated with the sampling pipe through a pipeline and is used for uniformly mixing the water-coal-slurry obtained by sampling the sampling pipe; the temperature sensor is arranged in the bubble mixing component and used for detecting the temperature of the coal water slurry; the concentration measuring assembly is arranged on a pipeline between the sampling pipe and the bubble mixing assembly and is used for detecting the concentration of the coal water slurry entering the bubble mixing assembly; the viscosity measurement assembly is arranged in the bubble mixing assembly and used for detecting the viscosity of the water-coal-slurry which is uniformly mixed by the bubble mixing assembly. According to the application, the temperature sensor, the concentration measuring component and the viscosity measuring component are arranged to detect the coal water slurry, so that the simultaneous measurement of the temperature, the concentration and the viscosity of the coal water slurry is realized, and the overall detection efficiency of multiple parameters of the coal water slurry is further improved; according to the application, the sampling pipe is arranged in the water-coal-slurry production line in a telescopic way, so that the water-coal-slurry is sampled at different positions respectively, and the representativeness of the sampling result and the accuracy of the detection result are improved effectively; according to the application, the bubble mixing component is arranged to mix the water-coal-slurry uniformly, so that the uniformity of the slurry of the water-coal-slurry to be measured is improved, and the accuracy of the measurement results of the viscosity measuring component and the temperature sensor is further ensured; by arranging the concentration measuring assembly on a pipeline between the sampling pipe and the bubble mixing assembly, adverse effects on concentration measurement of the concentration measuring assembly when the bubble mixing assembly mixes the water-coal-slurry are avoided, and accuracy of a water-coal-slurry concentration measuring result is further ensured; the application shortens the flow and time of testing the properties of the water-coal-slurry, and can provide real-time data reference and guidance for the production of the water-coal-slurry in time.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
FIG. 1 shows a schematic diagram of a part of the structure of an on-line detection device for the properties of coal water slurry and a production line of coal water slurry according to an embodiment of the application.
Wherein the above figures include the following reference numerals:
10. a coal water slurry production line; 11. a coal storage bin; 12. a dispersant tank; 13. a liquid tank; 14. a curing tank; 15. a stirrer; 16. a belt metering transport component; 17. a liquid level gauge;
20. a sampling tube;
30. a bubble mixing assembly; 31. mixing the materials uniformly; 32. an air compressor;
40. a temperature sensor;
50. a concentration measurement assembly;
60. a viscosity measurement assembly;
70. a circulation pump;
80. a sampling pump;
90. a flow meter.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. It will be apparent that the described embodiments are only some, but not all, embodiments of the application. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the application, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
As shown in fig. 1, an embodiment of the present application provides an on-line detection device for on-line detection of properties of water-coal slurry, which is used for on-line detection of water-coal slurry produced by a water-coal slurry production line 10, and comprises: a sampling tube 20, a bubble blending assembly 30, a temperature sensor 40, a concentration measurement assembly 50, and a viscosity measurement assembly 60;
the sampling pipe 20 is telescopically arranged in the water-coal-slurry production line 10 to sample water-coal slurries at different positions in the water-coal-slurry production line 10; the bubble mixing component 30 is communicated with the sampling tube 20 through a pipeline and is used for mixing the water-coal-slurry obtained by sampling the sampling tube 20 uniformly; the temperature sensor 40 is arranged in the bubble mixing assembly 30 and is used for detecting the temperature of the coal water slurry; the concentration measuring assembly 50 is arranged on a pipeline between the sampling pipe 20 and the bubble mixing assembly 30 and is used for detecting the concentration of the coal water slurry entering the bubble mixing assembly 30; the viscosity measurement assembly 60 is disposed in the bubble mixing assembly 30, and is used for detecting the viscosity of the water-coal-slurry after being mixed by the bubble mixing assembly 30.
According to the application, the temperature sensor 40, the concentration measuring assembly 50 and the viscosity measuring assembly 60 are arranged to detect the coal water slurry, so that the simultaneous measurement of the temperature, the concentration and the viscosity of the coal water slurry is realized, and the overall detection efficiency of multiple parameters of the coal water slurry is further improved; according to the application, the sampling pipe 20 is arranged in the coal water slurry production line 10 in a telescopic manner, so that the different positions of the coal water slurry are respectively sampled, and the representativeness of the sampling result and the accuracy of the detection result are effectively improved; according to the application, the bubble mixing component 30 is arranged to mix the water-coal-slurry, so that the uniformity of the water-coal-slurry to be measured is improved, and the accuracy of the measurement results of the viscosity measuring component 60 and the temperature sensor 40 is further ensured; by arranging the concentration measuring assembly 50 on the pipeline between the sampling pipe 20 and the bubble mixing assembly 30, adverse effects on the concentration measurement of the concentration measuring assembly 50 when the bubble mixing assembly 30 mixes the water-coal-slurry are avoided, and the accuracy of the concentration measuring result of the water-coal-slurry is further ensured; the application shortens the flow and time of testing the properties of the water-coal-slurry, and can provide real-time data guidance and reference for the production of the water-coal-slurry in time.
It should be noted that: in one embodiment of the present application, the concentration measurement assembly 50 may be selected from at least one of an infrared moisture meter, a microwave moisture meter, a halogen moisture meter, a karl fischer moisture meter; the viscosity measurement assembly 60 may be selected from at least one of a rotational viscometer, a capillary viscometer, a vibration viscometer.
Optionally, in another embodiment of the present application, which is not shown, the on-line detection device for properties of water-coal slurry may further include a fluidity detection component and a stability detection component to detect fluidity and stability of the water-coal slurry, respectively; the fluidity detection component can be selected from at least one of a coal water slurry fluidity tester and a flow cone fluidity tester; the stability detection component may be selected from at least one of a gravity sedimentation stability analyzer, a centrifugal separation stability analyzer, and a multiple light scattering analyzer.
As shown in fig. 1, the on-line detection device for properties of water-coal-slurry further comprises a circulating pump 70, wherein the circulating pump 70 is respectively communicated with the water-coal-slurry production line 10 and the bubble mixing assembly 30 through pipelines and is used for driving the water-coal-slurry in the bubble mixing assembly 30 to return into the water-coal-slurry production line 10. By arranging the circulating pump 70, the water-coal-slurry in the bubble mixing assembly 30 can be returned into the water-coal-slurry production line 10, so that the waste and discharge pollution of the water-coal-slurry are avoided.
As shown in fig. 1, the bubble mixing assembly 30 includes a mixing container 31 and an air compressor 32, and the mixing container 31 is communicated with the sampling tube 20 through a pipeline; the air compressor 32 is communicated with the lower part of the mixing container 31 through a pipeline; the air compressor 32 circulates to generate air with a certain pressure, and the air disturbs the water-coal-slurry from the lower part to the upper part of the mixing container 31 so as to mix the water-coal-slurry uniformly. Through setting up air compressor machine 32 and the below intercommunication of mixing container 31 through the pipeline for the air can be high-efficient from the below motion to the top of mixing container 31, fully disturbance coal water slurry has guaranteed the mixing effect of coal water slurry.
As shown in fig. 1, the on-line detection device for the properties of the water-coal-slurry further comprises a sampling pump 80, wherein the sampling pump 80 is respectively communicated with the sampling pipe 20 and the bubble mixing assembly 30 and is used for driving the water-coal-slurry sampled by the sampling pipe 20 to enter the bubble mixing assembly 30; the concentration measuring assembly 50 is disposed in the line between the sampling pump 80 and the bubble blending assembly 30. By the arrangement, the working reliability and the structural simplification of the water-coal-slurry property on-line detection device are ensured.
As shown in fig. 1, the on-line detection device for the properties of the water-coal-slurry further comprises a flowmeter 90, wherein the flowmeter 90 is arranged on a pipeline between the sampling pipe 20 and the bubble mixing assembly 30 and is used for recording the flow rate of the water-coal-slurry entering the bubble mixing assembly 30. By arranging the flowmeter 90, the flow of the water-coal-slurry entering the bubble mixing assembly 30 can be measured and recorded in real time, and structural guarantee is provided for subsequent intelligent control.
As shown in fig. 1, the online detection device for properties of water-coal-slurry further comprises an electric push rod, wherein the electric push rod is arranged in the water-coal-slurry production line 10 and connected with the sampling tube 20, and the electric push rod controls the sampling tube 20 to sample at a set position in the water-coal-slurry production line 10 by driving the sampling tube 20 to move in a telescopic manner. By providing an electric push rod, the telescoping movement of the sampling tube 20 can be precisely controlled and errors and uncertainties that may occur from manual adjustment are avoided.
The application also provides a water-coal-slurry production line, which comprises the online water-coal-slurry property detection device, and the water-coal-slurry production line 10 further comprises: a coal storage bin 11 for storing solid coal raw materials; a dispersant tank 12 for storing a dispersant; a liquid tank 13 for storing liquid; a curing tank 14 which is respectively communicated with the coal storage bin 11, the dispersing agent tank 12 and the liquid tank 13 through pipelines; a stirrer 15 disposed in the aging tank 14 for stirring the solid coal raw material, the dispersant, and the liquid to form a coal water slurry; wherein the sampling tube 20 is telescopically disposed within the maturation tank 14.
The coal water slurry production line 10 provided by the application has the advantages that the structure is simplified and the cost is low by arranging the coal storage bin 11, the dispersing agent tank 12, the liquid tank 13, the curing tank 14 and the stirrer 15; and the coal water slurry production line 10 can prepare the coal water slurry with set properties (actually required properties), and the coal water slurry with set properties can be used for producing and detecting the detection accuracy of the coal water slurry property on-line detection device; for example: after the parameters of the coal water slurry with the set properties are known, the detection accuracy of the coal water slurry property on-line detection device can be verified by comparing the parameters obtained by the coal water slurry property on-line detection device.
As shown in fig. 1, the coal water slurry production line 10 further comprises a belt metering and conveying component 16, a dispersant metering pump and a liquid metering pump, wherein the belt metering and conveying component 16 is arranged between the coal storage bin 11 and the curing tank 14 and is used for conveying quantitative solid coal raw materials into the curing tank 14; a dispersant metering pump is provided on the line between the dispersant tank 12 and the maturation tank 14 for delivering a metered amount of dispersant into the maturation tank 14; a liquid metering pump is provided in the line between the liquid tank 13 and the maturation tank 14 for delivering a metered amount of liquid into the maturation tank 14. By arranging the belt metering and conveying component 16, the dispersing agent metering pump and the liquid metering pump, various materials can be added in a timed and quantitative manner when the water-coal-slurry production line 10 prepares the water-coal-slurry with set properties, and various properties of the prepared water-coal-slurry are further ensured to be close to the set properties (namely, various theoretical parameters calculated according to the added various materials).
As shown in FIG. 1, the coal water slurry production line 10 further includes a level gauge 17, wherein the level gauge 17 is disposed within the curing tank 14 for measuring the level of the liquid within the curing tank 14. By providing the level gauge 17, the level of the liquid in the maturation tank 14 can be measured in real time; the sampling tube 20 can correspondingly adjust the sampling height according to the measurement result of the liquid level meter 17, so as to further ensure the accuracy and representativeness of the sampling result.
As shown in FIG. 1, the coal water slurry production line further comprises an intelligent control unit electrically connected with at least one of a portion of the coal water slurry production line 10 (a portion other than the intelligent control unit, for example, at least one of the liquid level meter 17, the belt metering conveyor 16, the dispersant metering pump and the liquid metering pump), the sampling tube 20, the bubble blending assembly 30, the temperature sensor 40, the concentration measuring assembly 50 and the viscosity measuring assembly 60, and the intelligent control unit is used for remotely controlling and transmitting data. Through setting up intelligent control unit for the staff can the work of remote control coal water slurry production line, and acquire production related data in real time.
In a specific embodiment of the application, electromagnetic valves can be selectively arranged on each pipeline, the electromagnetic valves are electrically connected with the intelligent control unit, and the electromagnetic valves are used for controlling the opening and closing of each pipeline and the specific flow in the pipeline so as to further realize the accurate control of the production and detection of the coal water slurry. The solenoid valve can cooperate with the sampling tube 20 and the sampling pump 80 to control the volume of the water-coal-slurry sampled each time.
The specific working principle of the coal water slurry production line provided by the application is now described in detail:
during operation, crushed qualified coal dust enters the coal storage bin 11, is weighed by the belt metering and conveying part 16, quantitatively enters the curing tank 14, and is added with pulping water (water flowing out of the liquid tank 13) while being added into the curing tank 14, so as to improve the flow characteristic of the slurry and reduce the kinematic viscosity of the slurry, and dispersing agents (the dispersing agents are sent into the curing tank 14 through the dispersing agent tank 12 and a dispersing agent metering pump) can be added, and the three are fully stirred by the stirrer 15 to prepare the required water-coal slurry;
the telescopic sampling tube 20 respectively and automatically collects the coal water slurry at the positions 0.2H, 0.5H and 0.8H from the bottom of the curing tank 14 according to the liquid level H measured by the liquid level meter 17, the collected coal water slurry is conveyed into the mixing container 31 through a pipeline by the sampling pump 80, and in the conveying process, the concentration measuring assembly 50 carries out concentration detection on the coal water slurry so as to judge whether the slurry in the curing tank 14 is uniformly mixed or not, and the flow detection is carried out through the flowmeter 90;
after the sampled coal water slurry enters a mixing container 31, an air compressor 32 starts to work, the coal water slurry is further mixed uniformly in a bubble mixing mode, then viscosity test is carried out through a viscosity measuring assembly 60, temperature is measured through a temperature sensor 40, an intelligent control unit can record viscosity data of the coal water slurry at a certain temperature, the data result is transmitted to staff after analysis and calculation, and the staff correspondingly adjusts the coal water slurry production line according to the result (for example, an adjusting belt metering conveying part 16, a dispersing agent metering pump and a liquid metering pump);
after the detection of the water-coal-slurry is completed, the water-coal-slurry in the mixing container 31 is returned to the curing tank 14 through a pipeline by driving the circulating pump 70 for the next use.
In summary, the application provides an online detection device for properties of water-coal slurry and a water-coal slurry production line, and the temperature sensor 40, the concentration measurement assembly 50 and the viscosity measurement assembly 60 are arranged to detect the water-coal slurry, so that the simultaneous measurement of the temperature, the concentration and the viscosity of the water-coal slurry is realized, and the overall detection efficiency of multiple parameters of the water-coal slurry is further improved; according to the application, the sampling pipe 20 is arranged in the coal water slurry production line 10 in a telescopic manner, so that the different positions of the coal water slurry are respectively sampled, and the representativeness of the sampling result and the accuracy of the detection result are effectively improved; according to the application, the bubble mixing component 30 is arranged to mix the water-coal-slurry, so that the uniformity of the water-coal-slurry to be measured is improved, and the accuracy of the measurement results of the viscosity measuring component 60 and the temperature sensor 40 is further ensured; by arranging the concentration measuring assembly 50 on the pipeline between the sampling pipe 20 and the bubble mixing assembly 30, adverse effects on the concentration measurement of the concentration measuring assembly 50 when the bubble mixing assembly 30 mixes the water-coal-slurry are avoided, and the accuracy of the concentration measuring result of the water-coal-slurry is further ensured; the application shortens the flow and time of testing the properties of the water-coal-slurry, and can provide real-time data guidance and reference for the production of the water-coal-slurry in time.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the description of the present application, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present application.
The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. The on-line detection device for the properties of the coal water slurry is characterized by being used for detecting the coal water slurry produced by a coal water slurry production line (10) on line and comprising the following components:
the sampling pipe (20) is telescopically arranged in the coal water slurry production line (10) so as to sample coal water slurry at different positions in the coal water slurry production line (10);
the air bubble mixing component (30) is communicated with the sampling pipe (20) through a pipeline and is used for mixing the coal water slurry obtained by sampling the sampling pipe (20) uniformly;
the temperature sensor (40) is arranged in the bubble mixing component (30) and is used for detecting the temperature of the coal water slurry;
the concentration measuring assembly (50) is arranged on a pipeline between the sampling pipe (20) and the bubble mixing assembly (30) and is used for detecting the concentration of the coal water slurry entering the bubble mixing assembly (30);
the viscosity measurement assembly (60) is arranged in the bubble mixing assembly (30) and used for detecting the viscosity of the coal water slurry after being uniformly mixed by the bubble mixing assembly (30).
2. The online detection device for properties of coal water slurry according to claim 1, further comprising a circulating pump (70), wherein the circulating pump (70) is respectively communicated with the coal water slurry production line (10) and the bubble mixing assembly (30) through pipelines, and is used for driving the coal water slurry in the bubble mixing assembly (30) to return to the coal water slurry production line (10).
3. The online detection device for properties of coal water slurry according to claim 1, wherein the bubble mixing assembly (30) comprises a mixing container (31) and an air compressor (32), and the mixing container (31) is communicated with the sampling tube (20) through a pipeline; the air compressor (32) is communicated with the lower part of the mixing container (31) through a pipeline; the air compressor (32) circularly generates air with certain pressure, and the air is used for evenly mixing the coal water slurry from the lower part of the mixing container (31) to the upper part Fang Raodong.
4. The online detection device for properties of water-coal slurry according to claim 1, further comprising a sampling pump (80), wherein the sampling pump (80) is respectively communicated with the sampling pipe (20) and the bubble mixing assembly (30) and is used for driving the water-coal slurry sampled by the sampling pipe (20) into the bubble mixing assembly (30); the concentration measuring assembly (50) is arranged on a pipeline between the sampling pump (80) and the bubble mixing assembly (30).
5. The device for on-line detection of properties of water-coal-slurry according to claim 1, further comprising a flow meter (90), wherein the flow meter (90) is arranged on a pipeline between the sampling tube (20) and the bubble blending assembly (30) for recording the flow rate of the water-coal-slurry entering the bubble blending assembly (30).
6. The device for on-line detection of properties of water-coal-slurry according to claim 1, further comprising an electric push rod, wherein the electric push rod is arranged in the water-coal-slurry production line (10) and is connected with the sampling pipe (20), and the electric push rod controls the sampling pipe (20) to sample at a set position in the water-coal-slurry production line (10) by driving the sampling pipe (20) to stretch and retract.
7. A coal water slurry production line, characterized by comprising the coal water slurry property online detection device according to any one of claims 1 to 6, the coal water slurry production line (10) further comprising:
a coal storage bin (11) for storing solid coal raw materials;
a dispersant tank (12) for storing a dispersant;
a liquid tank (13) for storing liquid;
a curing tank (14) which is respectively communicated with the coal storage bin (11), the dispersing agent tank (12) and the liquid tank (13) through pipelines;
a stirrer (15) arranged in the curing tank (14) and used for stirring the solid coal raw material, the dispersing agent and the liquid to form the coal water slurry;
wherein the sampling tube (20) is telescopically arranged within the maturation tank (14).
8. The coal water slurry production line according to claim 7, characterized in that the coal water slurry production line (10) further comprises a belt metering and transporting component (16), a dispersant metering pump and a liquid metering pump, the belt metering and transporting component (16) being arranged between the coal storage bin (11) and the curing tank (14) for transporting a fixed amount of the solid coal raw material into the curing tank (14); the dispersing agent metering pump is arranged on a pipeline between the dispersing agent tank (12) and the curing tank (14) and is used for conveying quantitative dispersing agent into the curing tank (14); the liquid metering pump is arranged on a pipeline between the liquid tank (13) and the curing tank (14) and is used for conveying a fixed amount of the liquid into the curing tank (14).
9. The coal water slurry production line according to claim 7, characterized in that the coal water slurry production line (10) further comprises a liquid level meter (17), the liquid level meter (17) being arranged in the maturation tank (14) for measuring the liquid level of the liquid in the maturation tank (14).
10. The coal water slurry production line of claim 7, further comprising an intelligent control unit electrically connected to at least one of the at least a portion of the coal water slurry production line (10), the sampling tube (20), the bubble blending assembly (30), the temperature sensor (40), the concentration measurement assembly (50), and the viscosity measurement assembly (60), the intelligent control unit for remote control and data transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310745504.5A CN116773276A (en) | 2023-06-21 | 2023-06-21 | Online detection device for properties of coal water slurry and coal water slurry production line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310745504.5A CN116773276A (en) | 2023-06-21 | 2023-06-21 | Online detection device for properties of coal water slurry and coal water slurry production line |
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| CN116773276A true CN116773276A (en) | 2023-09-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118067449A (en) * | 2024-04-17 | 2024-05-24 | 山东行稳致远新材料科技有限公司 | Water-coal-slurry property detection device and detection method thereof |
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2023
- 2023-06-21 CN CN202310745504.5A patent/CN116773276A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118067449A (en) * | 2024-04-17 | 2024-05-24 | 山东行稳致远新材料科技有限公司 | Water-coal-slurry property detection device and detection method thereof |
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