CN108760576B - System and method for testing rheological property of dangerous waste conveyed by pipeline - Google Patents
System and method for testing rheological property of dangerous waste conveyed by pipeline Download PDFInfo
- Publication number
- CN108760576B CN108760576B CN201810540572.7A CN201810540572A CN108760576B CN 108760576 B CN108760576 B CN 108760576B CN 201810540572 A CN201810540572 A CN 201810540572A CN 108760576 B CN108760576 B CN 108760576B
- Authority
- CN
- China
- Prior art keywords
- pressure
- pressure sensor
- solid pump
- sensor
- conveying pipeline
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
-
- 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
- G01N2011/0026—Investigating specific flow properties of non-Newtonian fluids
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Measuring Fluid Pressure (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention relates to the technical field of rheological property testing of dangerous waste, in particular to a rheological property testing system and a rheological property testing method for dangerous waste conveyed by pipelines. The rotary kiln comprises a solid pump, a rotary kiln and a conveying pipeline communicated with the solid pump and the rotary kiln; the conveying pipeline is provided with a plurality of first pressure sensors, and the first pressure sensors are arranged at intervals along the length direction of the conveying pipeline; the outlet of the solid pump is provided with a second pressure sensor, and a displacement sensor is arranged in a main oil cylinder of the solid pump; the first pressure sensor, the second pressure sensor and the displacement sensor are all connected with the controller. The invention uses the calculated shear rate of the plurality of first pressure sensors at the inner wall of the conveying pipelineEstablishing a relation curve by taking the shearing force tau w as an abscissa and taking the shearing force tau w as an ordinate, so as to judge the rheological type of the fluid; and by selecting a proper rheological equation, rheological parameters are determined, and data support is provided for material proportioning and optimized pumping.
Description
Technical Field
The invention relates to the technical field of rheological property testing of dangerous waste, in particular to a rheological property testing system and a rheological property testing method for dangerous waste conveyed by pipelines.
Background
Hazardous waste is waste that has one or more of the hazardous properties of corrosiveness, acute toxicity, reactivity, infectivity, radioactivity, etc. Mainly comprises solid distillation residues, waste liquid, distillation residual liquid and the like. The incineration method is considered to be the most effective method for treating the hazardous waste because the incineration method can realize reduction, harmlessness and recycling simultaneously when treating the hazardous waste, and is also a method mainly adopted by a hazardous waste centralized treatment center in China.
The collection container of dangerous waste is iron bucket, plastic bucket, braided bag etc., the incineration method needs to break up and mix dangerous waste together with collection container, pump and burn in the rotary kiln with the solid pump, because the solid pump has about 200-500 meters distance to the rotary kiln, the kind of transport material is complicated at the same time, belong to non-Newtonian fluid, therefore, study the rheological property of the pipeline transport dangerous waste, have very great effects on material proportion and optimization pumping.
Disclosure of Invention
The invention aims to provide a rheological property testing system for pipeline transportation dangerous waste, which is used for detecting rheological properties of the pipeline transportation dangerous waste in real time;
It is another object of the present invention to provide a method of testing a system for testing the rheological properties of hazardous waste in a pipeline for calculating rheological parameters of the hazardous waste in the pipeline.
The invention aims at realizing the following technical scheme:
A rheological property testing system for pipeline transportation of dangerous waste, which comprises a solid pump, a rotary kiln and a transportation pipeline communicated with the solid pump and the rotary kiln; the conveying pipeline is provided with a plurality of first pressure sensors, and the first pressure sensors are arranged at intervals along the length direction of the conveying pipeline; the outlet of the solid pump is provided with a second pressure sensor, and a displacement sensor is arranged in a main oil cylinder of the solid pump; the first pressure sensor, the second pressure sensor and the displacement sensor are all connected with a controller;
The first pressure sensor is used for detecting the conveying pressure in the conveying pipeline;
the second pressure sensor is used for detecting the pressure of the solid pump outlet;
The displacement sensor is used for detecting the piston displacement of the solid pump;
The controller is used for reading, displaying and storing the data of the first pressure sensor and the displacement sensor.
Further, the first pressure sensor and the second pressure sensor comprise a pressure probe, a packaging shell, a circuit board and a liquid crystal display; the pressure probe is arranged at the upper end of the packaging shell, the liquid crystal display is arranged at the lower end of the packaging shell, and the circuit board is arranged in the packaging shell; the pressure probe and the liquid crystal display are connected with the circuit board; the pressure probe comprises a pressure sensing piece and an installation seat, and the pressure sensing piece is installed at the upper end of the installation seat; the pressure sensing sheet is made of stainless steel plates with the thickness of 4-6 mm.
Furthermore, the circuit board is provided with an RS-485 interface.
Further, the first pressure sensor, the second pressure sensor and the displacement sensor are all connected with the controller through an RS-485 bus.
Further, the device also comprises a third pressure sensor, wherein the third pressure sensor is connected with the controller, and the third pressure sensor is installed in the main oil cylinder of the solid pump and is used for detecting the pressure of the main oil cylinder of the solid pump.
Further, the displacement sensor is a BALLUFF micropulse linear displacement sensor.
Further, the controller is an S7-200 controller.
A method for detecting the rheological property testing system of the pipeline transportation dangerous waste, which is characterized by comprising the following steps:
The method comprises the steps that a plurality of first pressure sensors detect conveying pressure of multiple points on a conveying pipeline in real time, a second pressure sensor detects outlet pressure of a solid pump in real time, a displacement sensor detects piston displacement of the solid pump in real time, and data are transmitted to a controller;
the second step, the controller reads, stores and displays the data of the first pressure sensor, the second pressure sensor and the displacement sensor;
thirdly, calculating the shearing force tau w at the inner wall of the conveying pipeline at the ith pressure sensor through the following formula,
Wherein: d represents the inner diameter of the conveying pipeline, and mm;
L i represents the effective transport length between the ith said first pressure sensor and said second pressure sensor, mm;
P 0 represents the solid pump outlet pressure, KPa, detected by the second pressure sensor;
P i represents the delivery pressure in the delivery pipeline detected by the ith first pressure sensor, KPa;
Similarly, calculating shearing force tau w at the inner wall of the conveying pipeline at the positions of the plurality of first pressure sensors;
Fourth, taking outlet pressure data at the same time as an abscissa and piston displacement data as an ordinate, and establishing a relation graph between the outlet pressure and the piston position; the graph shows that as the piston displacement increases, the outlet pressure first enters a rapid increase phase and then enters a steady phase, at this time, the solid pump is in a steady pumping phase, the starting piston displacement value of the outlet pressure steady phase is set to be a, the ending piston displacement value of the outlet pressure steady phase is set to be b, and then the average pumping speed V of the solid pump is calculated by using the following formula
Wherein: t represents the solid pump steady pumping phase duration, s;
Then calculate the shear rate of the fluid at the inner wall of the transfer pipe at the ith said first pressure sensor according to the following formula
By the same process, the shear rate of the fluid at the inner wall of the conveying pipeline at the positions of the plurality of first pressure sensors is calculated
Fifth, the shear rate at the inner wall of the conveying pipeline is obtained by using a plurality of first pressure sensorsA relation curve taking the shearing force tau w as an ordinate, namely a fluid rheological curve, is taken as an abscissa, so that the rheological type of the fluid is judged; the rheological parameters are determined by fitting experimental data by selecting an appropriate rheological equation.
Further, the third pressure sensor detects the pressure of a main oil cylinder of the solid pump in real time and transmits data to the controller; the controller reads, stores and displays the data of the third pressure sensor.
Further, according to the master cylinder pressure p detected by the third pressure sensor, the outlet pressure p t of the solid pump is calculated by the following formula,
Wherein: d 1 is the diameter of the main oil cylinder, and mm;
d 2 is the solid pump outlet diameter, mm;
p f is the pressure of the main oil cylinder when the main oil cylinder runs empty, KPa;
And comparing the calculated outlet pressure of the solid pump with the outlet pressure of the solid pump detected by the second pressure sensor, and judging whether the outlet pressure of the solid pump detected by the second pressure sensor is accurate or not.
Compared with the prior art, the invention has the following advantages:
1. The invention relates to a rheological property testing system for pipeline transportation of dangerous waste, which comprises a solid pump, a rotary kiln and a transportation pipeline communicated with the solid pump and the rotary kiln; the conveying pipeline is provided with a plurality of first pressure sensors, and the first pressure sensors are arranged at intervals along the length direction of the conveying pipeline; the outlet of the solid pump is provided with a second pressure sensor, and a displacement sensor is arranged in a main oil cylinder of the solid pump; the first pressure sensor, the second pressure sensor and the displacement sensor are all connected with a controller; the first pressure sensor is used for detecting the conveying pressure in the conveying pipeline; the second pressure sensor is used for detecting the pressure of the solid pump outlet; the displacement sensor is used for detecting the piston displacement of the solid pump; the controller is used for reading, displaying and storing the data of the first pressure sensor and the displacement sensor; the invention can calculate the shear rate of the plurality of first pressure sensors at the inner wall of the conveying pipeline And shear force τ w, then making shear rate at the inner wall of said conveying pipe at a plurality of said first pressure sensorsA relation curve taking the shearing force tau w as an ordinate, namely a fluid rheological curve, is taken as an abscissa, so that the rheological type of the fluid is judged; and fitting the experimental data by selecting an appropriate rheological equation to determine rheological parameters, thereby providing data support for material proportioning and optimized pumping.
2. The pressure probe of the pressure sensor comprises a pressure sensing piece and a mounting seat, wherein the pressure sensing piece is mounted at the upper end of the mounting seat; the pressure sensing sheet is made of stainless steel plates with the thickness of 4-6 mm; the pressure sensing piece made of the stainless steel plate is hard, firm in structure, not easy to be pierced by hard substances such as iron pieces, and the stainless steel material is acid-resistant and alkali-resistant, has corrosion-resistant performance, and is suitable for detecting the pressure of dangerous waste materials.
Drawings
FIG. 1 is an electrical connection diagram of a plumbing hazardous waste rheology test system according to the present invention;
FIG. 2 is a block diagram of a pressure sensor according to the present invention;
In the figure: 1-pressure probe, 101-pressure sensing piece, 102-mount pad, 2-encapsulation shell, 3-LCD.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1, a system for testing rheological properties of hazardous waste conveyed by a pipeline comprises a solid pump, a rotary kiln and a conveying pipeline communicated with the solid pump and the rotary kiln; the conveying pipeline is provided with a plurality of first pressure sensors, and the first pressure sensors are arranged at intervals along the length direction of the conveying pipeline; the outlet of the solid pump is provided with a second pressure sensor, and a displacement sensor is arranged in a main oil cylinder of the solid pump; the first pressure sensor, the second pressure sensor and the displacement sensor are all connected with a controller; the displacement sensor is a BALLUFF micropulse linear displacement sensor; the controller is an S7-200 controller; the first pressure sensor is used for detecting the conveying pressure in the conveying pipeline; the second pressure sensor is used for detecting the pressure of the solid pump outlet; the displacement sensor is used for detecting the piston displacement of the solid pump; the controller is used for reading, displaying and storing the data of the first pressure sensor and the displacement sensor; the detection steps of the rheological property test system for the pipeline transportation dangerous waste are as follows:
The method comprises the steps that a plurality of first pressure sensors detect conveying pressure of multiple points on a conveying pipeline in real time, a second pressure sensor detects outlet pressure of a solid pump in real time, a displacement sensor detects piston displacement of the solid pump in real time, and data are transmitted to a controller;
the second step, the controller reads, stores and displays the data of the first pressure sensor, the second pressure sensor and the displacement sensor;
Third, through the formula (Wherein D represents the inner diameter of the conveying pipeline, L i represents the effective conveying length between the ith first pressure sensor and the second pressure sensor, P 0 represents the pressure of the solid pump outlet detected by the second pressure sensor, P i represents the conveying pressure in the conveying pipeline detected by the ith first pressure sensor), and the shearing force tau w at the inner wall of the conveying pipeline at the ith first pressure sensor is calculated, and the shearing force tau w at the inner walls of the conveying pipelines at a plurality of first pressure sensors is calculated in the same way;
Fourth, taking outlet pressure data at the same time as an abscissa and piston displacement data as an ordinate, and establishing a relation graph between the outlet pressure and the piston position; the graph shows that as the piston displacement increases, the outlet pressure first enters a rapid increase phase and then enters a stable phase, at this time, the solid pump is in a stable pumping phase, the starting piston displacement value of the outlet pressure stable phase is set to be a, the ending piston displacement value of the outlet pressure stable phase is set to be b, and the average pumping speed of the solid pump is as follows: (wherein t represents the solid pump steady pumping phase duration); then according to the formula/> And/>Calculating the shear rate/>, of the fluid at the inner wall of the conveying pipeline, at the ith first pressure sensorAnd similarly calculating the shear rate/>, of the fluid at the inner wall of the conveying pipeline, at the positions of the plurality of first pressure sensors
Fifth, the shear rate at the inner wall of the conveying pipeline is obtained by using a plurality of first pressure sensorsA relation curve taking the shearing force tau w as an ordinate, namely a fluid rheological curve, is taken as an abscissa, so that the rheological type of the fluid is judged; and fitting the experimental data by selecting an appropriate rheological equation to determine rheological parameters, thereby providing data support for material proportioning and optimized pumping.
The invention can also add a calculation module which is connected with the controller and automatically calculates the shear rateAnd a shear force τ w; the invention can also be provided with a drawing module which is connected with the calculation module and is used for according to the outlet shear rate/>And shear force τ w, automatically generating shear rate/>, at which a plurality of the first pressure sensors exit the inner wall of the conveying pipeThe relationship is plotted on the abscissa with the shear force τ w on the ordinate.
Referring to fig. 1 and 2, the first pressure sensor and the second pressure sensor of the present invention each include a pressure probe 1, a package case 2, a circuit board, and a liquid crystal display 3; the pressure probe is arranged at the upper end of the packaging shell, the liquid crystal display is arranged at the lower end of the packaging shell, and the circuit board is arranged in the packaging shell; the pressure probe and the liquid crystal display are connected with the circuit board; the pressure probe comprises a pressure sensing piece 101 and a mounting seat 102, wherein the pressure sensing piece is mounted at the upper end of the mounting seat; the pressure sensing sheet is made of stainless steel plates with the thickness of 4-6 mm; the pressure sensing piece made of the stainless steel plate is hard, firm in structure, not easy to be pierced by hard substances such as iron pieces, and the stainless steel material is acid-resistant and alkali-resistant, has corrosion-resistant performance, and is suitable for detecting the pressure of dangerous waste materials.
Referring to fig. 2, the circuit board is provided with an RS-485 interface; and an RS-485 interface is arranged, so that the pressure sensor is conveniently connected with control equipment arranged in a control room based on a Modbus industrial field bus protocol, and a novel network integrated full-distributed control system is formed.
Referring to fig. 1 and 2, the first pressure sensor, the second pressure sensor and the displacement sensor are all connected with the controller through an RS-485 bus; the RS-485 bus adopts balanced transmission and differential reception, has the capability of inhibiting common mode interference, and the bus transceiver has high sensitivity and can detect voltages as low as 200mV, so that transmission signals can be recovered beyond kilometers.
Referring to fig. 1, the present invention further includes a third pressure sensor connected to the controller, the third pressure sensor being installed in the master cylinder of the solid pump for detecting the master cylinder pressure of the solid pump; the third pressure sensor detects the pressure of a main oil cylinder of the solid pump in real time and transmits data to the controller; the controller reads, stores and displays the data of the third pressure sensor; and according to the master cylinder pressure p detected by the third pressure sensor, utilizing a formula(Wherein D 1 is the diameter of the main oil cylinder, D 2 is the diameter of the outlet of the solid pump, p f is the pressure of the main oil cylinder when the main oil cylinder is empty), calculating the outlet pressure p t of the solid pump, and comparing the calculated outlet pressure of the solid pump with the outlet pressure of the solid pump detected by the second pressure sensor; the invention adopts the static pressure of the outlet side wall of the solid pump detected by the second pressure sensor to replace the static pressure of the axle center, and calculates and compares the pressure of the main oil cylinder measured by the third pressure sensor to confirm the detection effect and correction mode of the second pressure sensor, thereby improving the detection accuracy.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (10)
1. A system for testing rheological properties of hazardous waste conveyed by a pipeline, which is characterized in that: the rotary kiln comprises a solid pump, a rotary kiln and a conveying pipeline communicated with the solid pump and the rotary kiln; the conveying pipeline is provided with a plurality of first pressure sensors, and the first pressure sensors are arranged at intervals along the length direction of the conveying pipeline; the outlet of the solid pump is provided with a second pressure sensor, and a displacement sensor is arranged in a main oil cylinder of the solid pump; the first pressure sensor, the second pressure sensor and the displacement sensor are all connected with a controller;
The first pressure sensor is used for detecting the conveying pressure in the conveying pipeline;
the second pressure sensor is used for detecting the pressure of the solid pump outlet;
The displacement sensor is used for detecting the piston displacement of the solid pump;
The controller is used for reading, displaying and storing the data of the first pressure sensor and the displacement sensor;
The system further comprises a calculation module and a drawing module, wherein the calculation module is connected with the controller and is used for calculating shearing force tau w at the inner wall of the conveying pipeline at a plurality of first pressure sensors according to the solid pump outlet pressure detected by the second pressure sensors and the conveying pipeline inner conveying pressure detected by a plurality of first pressure sensors, and calculating shearing rate of fluid at the inner wall of the conveying pipeline at a plurality of first pressure sensors according to the solid pump outlet pressure detected by the second pressure sensors, the conveying pipeline inner conveying pressure detected by a plurality of first pressure sensors and the piston displacement of the solid pump detected by the displacement sensors The drawing module is connected with the calculating module and is used for carrying out the method according to the outlet shear rate/>And shear force τ w, generating a shear rate/>, at an inner wall of the conveying pipe, at a plurality of the first pressure sensorsOn the abscissa, the rheological profile of the fluid on the ordinate of the shear force τ w.
2. The plumbing hazardous waste rheology testing system of claim 1, wherein: the first pressure sensor and the second pressure sensor comprise a pressure probe, a packaging shell, a circuit board and a liquid crystal display; the pressure probe is arranged at the upper end of the packaging shell, the liquid crystal display is arranged at the lower end of the packaging shell, and the circuit board is arranged in the packaging shell; the pressure probe and the liquid crystal display are connected with the circuit board; the pressure probe comprises a pressure sensing piece and an installation seat, and the pressure sensing piece is installed at the upper end of the installation seat; the pressure sensing sheet is made of stainless steel plates with the thickness of 4-6 mm.
3. The plumbing hazardous waste rheology testing system of claim 2, wherein: and the circuit board is provided with an RS-485 interface.
4. A plumbing hazardous waste rheology testing system according to claim 3, wherein: the first pressure sensor, the second pressure sensor and the displacement sensor are all connected with the controller through an RS-485 bus.
5. The plumbing hazardous waste rheological property testing system of claim 4, wherein: the system further comprises a third pressure sensor, wherein the third pressure sensor is connected with the controller, and the third pressure sensor is installed in the main oil cylinder of the solid pump and used for detecting the pressure of the main oil cylinder of the solid pump.
6. The plumbing hazardous waste rheological property testing system of claim 5, wherein: the displacement sensor is a BALLUFF micropulse linear displacement sensor.
7. The plumbing hazardous waste rheology testing system of claim 6, wherein: the controller is an S7-200 controller.
8. A method of testing a plumbing hazardous waste rheology test system of claim 7, wherein:
The method comprises the steps that a plurality of first pressure sensors detect conveying pressure of multiple points on a conveying pipeline in real time, a second pressure sensor detects outlet pressure of a solid pump in real time, a displacement sensor detects piston displacement of the solid pump in real time, and data are transmitted to a controller;
the second step, the controller reads, stores and displays the data of the first pressure sensor, the second pressure sensor and the displacement sensor;
thirdly, calculating the shearing force tau w at the inner wall of the conveying pipeline at the ith pressure sensor through the following formula,
Wherein: d represents the inner diameter of the conveying pipeline, and mm;
L i represents the effective transport length between the ith said first pressure sensor and said second pressure sensor,
mm;
P 0 represents the solid pump outlet pressure, kPa, detected by the second pressure sensor;
p i represents the delivery pressure in the delivery pipe detected by the ith first pressure sensor, kPa;
Similarly, calculating shearing force tau w at the inner wall of the conveying pipeline at the positions of the plurality of first pressure sensors;
Fourth, taking outlet pressure data at the same time as an abscissa and piston displacement data as an ordinate, and establishing a relation graph between the outlet pressure and the piston position; the graph shows that as the piston displacement increases, the outlet pressure first enters a rapid increase phase and then enters a steady phase, at this time, the solid pump is in a steady pumping phase, the starting piston displacement value of the outlet pressure steady phase is set to be a, the ending piston displacement value of the outlet pressure steady phase is set to be b, and then the average pumping speed V of the solid pump is calculated by using the following formula
Wherein: t represents the solid pump steady pumping phase duration, s;
Then calculate the shear rate of the fluid at the inner wall of the transfer pipe at the ith said first pressure sensor according to the following formula
By the same process, the shear rate of the fluid at the inner wall of the conveying pipeline at the positions of the plurality of first pressure sensors is calculated
Fifth, the shear rate at the inner wall of the conveying pipeline is obtained by using a plurality of first pressure sensorsA relation curve taking the shearing force tau w as an ordinate, namely a fluid rheological curve, is taken as an abscissa, so that the rheological type of the fluid is judged; the rheological parameters are determined by fitting experimental data by selecting an appropriate rheological equation.
9. The method of detecting according to claim 8, wherein: the third pressure sensor detects the pressure of a main oil cylinder of the solid pump in real time and transmits data to the controller; the controller reads, stores and displays the data of the third pressure sensor.
10. The method of claim 9, wherein: according to the main cylinder pressure p detected by the third pressure sensor, calculating the outlet pressure p t of the solid pump by using the following formula,
Wherein: d 1 is the diameter of the main oil cylinder, and mm;
d 2 is the solid pump outlet diameter, mm;
p f is the pressure of the main oil cylinder when the main oil cylinder runs empty and kPa;
And comparing the calculated outlet pressure of the solid pump with the outlet pressure of the solid pump detected by the second pressure sensor, and judging whether the outlet pressure of the solid pump detected by the second pressure sensor is accurate or not.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810540572.7A CN108760576B (en) | 2018-05-30 | 2018-05-30 | System and method for testing rheological property of dangerous waste conveyed by pipeline |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810540572.7A CN108760576B (en) | 2018-05-30 | 2018-05-30 | System and method for testing rheological property of dangerous waste conveyed by pipeline |
Publications (2)
Publication Number | Publication Date |
---|---|
CN108760576A CN108760576A (en) | 2018-11-06 |
CN108760576B true CN108760576B (en) | 2024-05-14 |
Family
ID=64004398
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810540572.7A Active CN108760576B (en) | 2018-05-30 | 2018-05-30 | System and method for testing rheological property of dangerous waste conveyed by pipeline |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108760576B (en) |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4821564A (en) * | 1986-02-13 | 1989-04-18 | Atlantic Richfield Company | Method and system for determining fluid pressures in wellbores and tubular conduits |
WO1997024596A1 (en) * | 1995-12-27 | 1997-07-10 | A. Ahlström Osakeyhtiö | Method and apparatus for determining physical variables of a slurry or liquid |
FR2796152A1 (en) * | 1999-07-06 | 2001-01-12 | Dowell Schlumberger Services | MODELING THE RHEOLOGICAL BEHAVIOR OF DRILLING FLUIDS BASED ON PRESSURE AND TEMPERATURE |
DE20107434U1 (en) * | 2000-05-03 | 2001-07-12 | WGE Dr. Bures GmbH & Co. KG, 14624 Dallgow | Viscometer |
CN201637441U (en) * | 2010-04-20 | 2010-11-17 | 杭州电子科技大学 | A high-pressure coal slime plunger pump flow measurement device |
CN103303683A (en) * | 2012-03-13 | 2013-09-18 | 通用电气公司 | System and method having control for solids pump |
CN103389259A (en) * | 2013-07-23 | 2013-11-13 | 北京科技大学 | Pasty fluid filling slurry rheology characteristic testing system and application method thereof |
WO2015191091A1 (en) * | 2014-06-13 | 2015-12-17 | National Oilwell Varco, L.P. | Method and apparatus for measuring drilling fluid properties |
CN106596336A (en) * | 2016-12-13 | 2017-04-26 | 东北石油大学 | Apparatus and method for measuring elastic turbulence characteristics of viscoelastic polymer in porous medium |
CN208270368U (en) * | 2018-05-30 | 2018-12-21 | 碎得机械(北京)有限公司 | A kind of pipeline hazardous waste rheological behavior test macro |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7144148B2 (en) * | 2004-06-18 | 2006-12-05 | General Electric Company | Continuous manufacture of high internal phase ratio emulsions using relatively low-shear and low-temperature processing steps |
US9494503B2 (en) * | 2013-11-06 | 2016-11-15 | Aspect Imaging Ltd. | Inline rheology/viscosity, density, and flow rate measurement |
-
2018
- 2018-05-30 CN CN201810540572.7A patent/CN108760576B/en active Active
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4821564A (en) * | 1986-02-13 | 1989-04-18 | Atlantic Richfield Company | Method and system for determining fluid pressures in wellbores and tubular conduits |
WO1997024596A1 (en) * | 1995-12-27 | 1997-07-10 | A. Ahlström Osakeyhtiö | Method and apparatus for determining physical variables of a slurry or liquid |
FR2796152A1 (en) * | 1999-07-06 | 2001-01-12 | Dowell Schlumberger Services | MODELING THE RHEOLOGICAL BEHAVIOR OF DRILLING FLUIDS BASED ON PRESSURE AND TEMPERATURE |
DE20107434U1 (en) * | 2000-05-03 | 2001-07-12 | WGE Dr. Bures GmbH & Co. KG, 14624 Dallgow | Viscometer |
CN201637441U (en) * | 2010-04-20 | 2010-11-17 | 杭州电子科技大学 | A high-pressure coal slime plunger pump flow measurement device |
CN103303683A (en) * | 2012-03-13 | 2013-09-18 | 通用电气公司 | System and method having control for solids pump |
CN103389259A (en) * | 2013-07-23 | 2013-11-13 | 北京科技大学 | Pasty fluid filling slurry rheology characteristic testing system and application method thereof |
WO2015191091A1 (en) * | 2014-06-13 | 2015-12-17 | National Oilwell Varco, L.P. | Method and apparatus for measuring drilling fluid properties |
CN106596336A (en) * | 2016-12-13 | 2017-04-26 | 东北石油大学 | Apparatus and method for measuring elastic turbulence characteristics of viscoelastic polymer in porous medium |
CN208270368U (en) * | 2018-05-30 | 2018-12-21 | 碎得机械(北京)有限公司 | A kind of pipeline hazardous waste rheological behavior test macro |
Non-Patent Citations (3)
Title |
---|
"大口径活塞泵吸入容积效率实时测量方法研究";郭光明等;《矿山机械》;第39卷(第5期);第53-57页 * |
"新型浓密膏体流变特性测试实验台研制与验证";瞿圆媛等;《仪器仪表学报》;第30卷(第8期);第1646-1650页 * |
"活塞式混凝土泵排量测量方法研究";刘会勇等;《工程机械》;第38卷(第8期);第19-23页 * |
Also Published As
Publication number | Publication date |
---|---|
CN108760576A (en) | 2018-11-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101287971B (en) | Tank gauging system | |
EP1212594B1 (en) | Process flow plate with temperature measurement feature | |
CN210979367U (en) | Hydrogenation station pipeline leakage detection system | |
EP2995869B1 (en) | Arrangement and method for cooling liquid-cooled electronics | |
CN202442117U (en) | Leakage point detecting and positioning system for liquid pipeline | |
US20200207606A1 (en) | Smart fueling elbow | |
CN101750263A (en) | Serosity density measurement method and device | |
CA1196802A (en) | Method and apparatus for measuring pressure, more particularly that of a fluid | |
CN104132716B (en) | Vehicular Oil Flowmeter Standard Apparatus | |
CN206311166U (en) | Absolute pressure formula liquid level gauge | |
CN108760576B (en) | System and method for testing rheological property of dangerous waste conveyed by pipeline | |
EP3821311A1 (en) | Process vessel insulation monitoring | |
US20220260396A1 (en) | Measuring device with position sensor | |
KR101608819B1 (en) | Apparatus and system for detacting oil leakage of gas station to prevent pollution of soil or underwater | |
CN207197475U (en) | A kind of coil of strip offsets warning device | |
CN102644849A (en) | Transmission pipeline capable of remotely monitoring leakage | |
CN210089649U (en) | Steel plant ladle gesture detection device | |
CN208270368U (en) | A kind of pipeline hazardous waste rheological behavior test macro | |
CN202869595U (en) | Constant voltage container liquid level detection equipment, system and constant voltage container | |
US20220057251A1 (en) | Method for determining a remaining empty volume, method for on-site calibration of a fill level measuring device, and on-site calibration module | |
KR101393038B1 (en) | Detection apparatus and method for leakaging water of tap water pipe | |
US11474066B2 (en) | Foldable and intrinsically safe plate capacitive sensors for sensing depth of solids in liquids and sensing depth of two different types of liquids in hazardous locations | |
CN109060389A (en) | A kind of system and detection method detecting solid pump real time volume efficiency | |
CN115597765A (en) | Measuring method and measuring assembly | |
CN116045220A (en) | Multiphase flow pipeline leakage monitoring method and system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |