CN113702077A - Metal mineral paste filling complex pipe network pipe plugging and leakage monitoring simulation experiment system - Google Patents
Metal mineral paste filling complex pipe network pipe plugging and leakage monitoring simulation experiment system Download PDFInfo
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- CN113702077A CN113702077A CN202110898224.9A CN202110898224A CN113702077A CN 113702077 A CN113702077 A CN 113702077A CN 202110898224 A CN202110898224 A CN 202110898224A CN 113702077 A CN113702077 A CN 113702077A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
Abstract
The invention provides a simulation experiment system for pipe plugging and leakage monitoring of a metal ore paste filling complex pipe network, and belongs to the technical field of metal ore tailing filling. The system comprises a paste preparation conveying barrel, an upward inclined tube simulation experiment subsystem, a downward inclined tube simulation experiment subsystem, a vertical upward tube simulation experiment subsystem, a horizontal tube simulation experiment subsystem, a vertical downward tube simulation experiment subsystem and a data monitoring and analyzing system. All subsystems are connected in sequence and then connected with a paste preparation conveying barrel to form a closed loop. The data monitoring and analyzing system is connected with each subsystem and the paste preparation conveying barrel. The system can simulate various complex fault conditions such as single-point leakage, multi-point leakage, single-point pipe blockage, multi-point pipe blockage, simultaneous occurrence of pipe blockage and leakage and the like of a paste filling complex pipe network, and can monitor and analyze data in real time.
Description
Technical Field
The invention relates to the technical field of metal ore tailing filling, in particular to a simulation experiment system for pipe plugging and leakage monitoring of a complex pipe network filled with metal ore paste.
Background
At the present stage, the metal ore paste filling technology has become an important means for sustainable development of mining industry and building of green mines due to the obvious advantages of safety, environmental protection, economy, high efficiency and the like. According to the paste filling technology, mine solid wastes such as tailings and the like are prepared into paste-like slurry, and the slurry is conveyed to an underground goaf through a pipeline in a pumping pressure or gravity flow mode for filling. However, in actual production, because the paste concentration is high and the technical management is not proper, accidents such as pipe blockage and the like are easily caused, a large amount of time is needed for dredging and even replacing the pipeline, and the production is seriously influenced. Meanwhile, after long-time operation, the pipeline is easy to wear and damage, so that the paste is easy to leak, and the pipeline needs to be replaced to influence production. Along with the gradual deepening of the mining depth of the metal ore, the arrangement of underground stopes is more and more complicated, so that the arrangement of a filling pipe network has a plurality of complicated modes such as horizontal, vertical and inclined modes. Therefore, the simulation experiment system for pipe plugging and leakage monitoring of the metal ore paste filling complex pipe network is particularly necessary, the simulation of various complex fault conditions such as single-point leakage, multi-point leakage, single-point pipe plugging, multi-point pipe plugging, simultaneous pipe plugging and leakage of the paste filling complex pipe network is realized, and the data can be monitored and analyzed in real time.
Disclosure of Invention
The invention aims to solve the technical problem of providing a simulation experiment system for pipe plugging and leakage monitoring of a metal ore paste filling complex pipe network.
The system comprises a paste preparation conveying barrel, an upward inclined tube simulation experiment subsystem, a downward inclined tube simulation experiment subsystem, a vertical upward tube simulation experiment subsystem, a horizontal tube simulation experiment subsystem, a vertical downward tube simulation experiment subsystem and a data monitoring and analyzing system, wherein the paste preparation conveying barrel, the upward inclined tube simulation experiment subsystem, the downward inclined tube simulation experiment subsystem, the vertical upward tube simulation experiment subsystem, the horizontal tube simulation experiment subsystem and the vertical downward tube simulation experiment subsystem are sequentially connected to form a closed loop;
the paste preparation and conveying barrel comprises a paste preparation barrel, a discharge valve, a discharge pump, a first flowmeter, a discharge pipe and a material return pipe, the upward inclined pipe simulation experiment subsystem comprises an upward inclined conveying pipe, a first leakage valve, a second flowmeter and a first blocking valve, the downward inclined pipe simulation experiment subsystem comprises a downward inclined conveying pipe, a second leakage valve, a third flowmeter and a second blocking valve, the vertical upward pipe simulation experiment subsystem comprises a vertical upward conveying pipe, a third leakage valve, a fourth flowmeter and a third blocking valve, the horizontal pipe simulation experiment subsystem comprises a horizontal conveying pipe, a fourth leakage valve, a fifth flowmeter, a fourth blocking valve, a fourth leakage pipe, a fifth leakage valve, a sixth flowmeter and a fifth blocking valve, the vertical downward pipe simulation experiment subsystem comprises a vertical downward conveying pipe, a sixth leakage valve, a seventh flowmeter and a sixth blocking valve, the data monitoring and analyzing system comprises a data transmission line and a processing analyzer.
The paste preparation conveying barrel is characterized in that the main body of the paste preparation conveying barrel is a paste preparation barrel, the lower portion of the side wall of the paste preparation barrel is connected with the upward inclined pipe simulation experiment subsystem through a discharging pipe, a discharging valve, a discharging pump and a flow meter I are arranged on the discharging pipe, and a material return pipe is arranged at the upper portion of the paste preparation barrel.
The discharging pipe is connected with the upward inclined conveying pipe, the tail end of the discharging pipe is provided with a first pressure gauge, the middle of the upward inclined conveying pipe is provided with a first leakage pipe, a first leakage valve and a second flow meter are sequentially arranged on the first leakage pipe, and the tail end of the upward inclined conveying pipe is provided with a first blocking valve.
The downward inclined conveying pipe is connected with the upward inclined conveying pipe, the inlet end of the downward inclined conveying pipe is provided with a pressure gauge II, the middle part of the downward inclined conveying pipe is provided with a leakage pipe II, a blocking valve II is arranged at the outlet end of the downward inclined conveying pipe, and a leakage valve II and a flow meter III are sequentially arranged on the leakage pipe II.
The vertical upward conveying pipe is connected with the downward inclined conveying pipe, the third pressure gauge is installed at the inlet end of the vertical upward conveying pipe, the third leakage pipe is installed in the middle of the vertical upward conveying pipe, the third plugging valve is installed at the outlet end of the vertical upward conveying pipe, and the third leakage valve and the fourth flow meter are sequentially installed on the third leakage pipe.
The horizontal conveying pipe is connected with the vertical upward conveying pipe, the inlet end, the middle part and the outlet end of the horizontal conveying pipe are respectively provided with a pressure gauge four, a pressure gauge five and a pressure gauge six, a leakage pipe four and a leakage pipe five are respectively arranged at 1/3 and 2/3 positions of the horizontal conveying pipe, a blocking valve four and a blocking valve five are arranged on the horizontal conveying pipe and are respectively positioned between the leakage pipe four and the pressure gauge five and between the leakage pipe four and the pressure gauge six, the leakage valve four and the flow meter five are sequentially arranged on the leakage pipe four, and the leakage valve five and the flow meter six are sequentially arranged on the leakage pipe five.
The horizontal conveyer pipe of vertical downward duct connection, the pipe six is revealed in the mid-mounting of vertical downward conveyer pipe, and leak valve six, flowmeter seven are installed in proper order on leaking the pipe six, and block up valve six, manometer seven and flowmeter eight are installed in proper order in the exit end of vertical downward conveyer pipe, and the feed back pipe is connected to the conveyer pipe outlet section down perpendicularly.
The data transmission line transmits the data collected by the paste preparation conveying barrel, the upward inclined tube simulation experiment subsystem, the downward inclined tube simulation experiment subsystem, the vertical upward tube simulation experiment subsystem, the horizontal tube simulation experiment subsystem and the vertical downward tube simulation experiment subsystem to the processing analyzer.
The application process of the system is as follows:
s1: preparing paste slurry in a paste preparation barrel;
s2: opening a first pressure gauge, a second pressure gauge, a third pressure gauge, a fourth pressure gauge, a fifth pressure gauge, a sixth pressure gauge, a seventh pressure gauge, a first flow meter, a second flow meter, a third flow meter, a fourth flow meter, a fifth flow meter, a sixth flow meter, a seventh flow meter, an eighth flow meter, a first blocking valve, a second blocking valve, a third blocking valve, a fourth blocking valve, a fifth blocking valve and a sixth blocking valve, and closing the first leakage valve, the second leakage valve, the third leakage valve, the fourth leakage valve, the fifth leakage valve and the sixth leakage valve;
s3: simulating single point leakage: opening a discharge valve and a discharge pump, opening any one of a first leakage valve, a second leakage valve, a third leakage valve, a fourth leakage valve, a fifth leakage valve and a sixth leakage valve, adjusting the opening degree of the valves within the range of 0-100%, and observing the pressure and rheological data change monitored by a data monitoring and analyzing system;
s4: simulating multi-point leakage: opening at least two of a first leakage valve, a second leakage valve, a third leakage valve, a fourth leakage valve, a fifth leakage valve and a sixth leakage valve, adjusting the opening degree of the opened valves within the range of 0-100%, and observing the pressure and rheological data change monitored by a data monitoring and analyzing system;
s5: simulating single-point pipe plugging: closing any one of a first leakage valve, a second leakage valve, a third leakage valve, a fourth leakage valve, a fifth leakage valve and a sixth leakage valve, closing any one of a first blocking valve, a second blocking valve, a third blocking valve, a fourth blocking valve, a fifth blocking valve and a sixth blocking valve, adjusting the opening of the valve within the range of 0-100%, and observing the pressure and rheological data change monitored by a data monitoring and analyzing system;
s6: simulating multi-point pipe plugging: closing at least two of a first leakage valve, a second leakage valve, a third leakage valve, a fourth leakage valve, a fifth leakage valve and a sixth leakage valve, closing at least two of a first blocking valve, a second blocking valve, a third blocking valve, a fourth blocking valve, a fifth blocking valve and a sixth blocking valve, adjusting the opening degree of the closed valves within the range of 0-100%, and observing the pressure and rheological data change monitored by a data monitoring and analyzing system;
s7: simulating simultaneous occurrence of pipe blockage and leakage: opening any one of a first blocking valve, a second blocking valve, a third blocking valve, a fourth blocking valve, a fifth blocking valve and a sixth blocking valve, opening the opening of the valve within the range of 0-100%, closing any one of the first blocking valve, the second leakage valve, the third leakage valve, the fourth leakage valve, the fifth leakage valve and the sixth leakage valve, simultaneously closing the opening of the valve within the range of 0-100%, and observing the pressure and rheological data change monitored by the data monitoring and analyzing system.
The technical scheme of the invention has the following beneficial effects:
in the scheme, the upward inclined tube simulation experiment subsystem, the downward inclined tube simulation experiment subsystem, the vertical upward tube simulation experiment subsystem, the horizontal tube simulation experiment subsystem, the vertical downward tube simulation experiment subsystem and the data monitoring and analyzing system are utilized, single-point leakage or multi-point leakage simulation of paste conveying pipelines in different directions can be realized, single-point leakage or multi-point pipe plugging simulation of paste conveying pipelines in different directions can also be realized, and leakage and pipe plugging simulation of paste conveying pipelines in different directions can be realized simultaneously. Therefore, the experimental system can simulate various complex fault conditions of single-point leakage, multi-point leakage, single-point pipe blockage, multi-point pipe blockage, simultaneous pipe blockage and leakage of a paste filling complex pipe network and the like, and can monitor and analyze data in real time. Based on the simulation research result of the experimental system, the support can be provided for the monitoring and early warning technology of the paste filling complex pipe network, and the experimental system has important use value. Is suitable for mine enterprises of metal, nonmetal and the like.
Drawings
Fig. 1 is a schematic structural diagram of a simulation experiment system for pipe plugging and leakage monitoring of a complex pipe network filled with metal ore paste.
Wherein: 1-paste preparation conveying barrel; 2-upward inclined pipe simulation experiment subsystem; 3-simulating an experiment subsystem by a downward inclined pipe; 4-simulation experiment subsystem of vertical upward pipe; 5-horizontal pipe simulation experiment subsystem; 6-vertical downward pipe simulation experiment subsystem; 7-a data monitoring and analyzing system; 8-paste preparation barrel; 9-a discharge valve; 10-a discharge pump; 11-a first flowmeter; 12-a discharge pipe; 13-pressure gauge one; 14-tilting the duct upwards; 15-leakage pipe one; 16-a first leakage valve; 17-a second flowmeter; 18-blocking valve one; 19-pressure gauge two; 20-downward inclined delivery pipe; 21-leakage pipe two; 22-leakage valve two; 23-flow meter III; 24-blocking valve II; 25-manometer III; 26-vertically upward conveying pipe; 27-leakage pipe III; 28-leakage valve three; 29-flow meter four; 30-a third blocking valve; 31-pressure gauge four; 32-horizontal conveying pipe; 33-leakage pipe four; 34-leakage valve four; 35-flow meter five; 36-block valve four; 37-pressure gauge five; 38-leakage pipe four; 39-leakage valve five; 40-flow meter six; 41-blocking valve five; 42-pressure gauge six; 43-vertical downward conveying pipe; 44-leakage pipe six; 45-leakage valve six; 46-flow meter seven; 47-block valve six; 48-seven pressure gauges; 49-eighth flowmeter; 50-a material return pipe; 51-a data transmission line; process analyzer 52.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
The invention provides a simulation experiment system for pipe plugging and leakage monitoring of a metal ore paste filling complex pipe network.
As shown in figure 1, the system comprises a paste preparation conveying barrel 1, an upward inclined tube simulation experiment subsystem 2, a downward inclined tube simulation experiment subsystem 3, a vertical upward tube simulation experiment subsystem 4, a horizontal tube simulation experiment subsystem 5, a vertical downward tube simulation experiment subsystem 6 and a data monitoring and analyzing system 7, wherein the paste preparation conveying barrel 1, the upward inclined tube simulation experiment subsystem 2, the downward inclined tube simulation experiment subsystem 3, the vertical upward tube simulation experiment subsystem 4, the horizontal tube simulation experiment subsystem 5 and the vertical downward tube simulation experiment subsystem 6 are sequentially connected to form a closed loop, and the data monitoring and analyzing system 7 is sequentially connected with the upward inclined tube simulation experiment subsystem 2, the downward inclined tube simulation experiment subsystem 3, the vertical upward tube simulation experiment subsystem 4, the horizontal tube simulation experiment subsystem 5 and the vertical downward tube simulation experiment subsystem 6 through data transmission lines 51 to form a closed loop, The paste preparation conveying barrel 1 is connected;
the paste preparation and conveying barrel 1 comprises a paste preparation barrel 8, a discharge valve 9, a discharge pump 10, a flow meter I11, a discharge pipe 12 and a return pipe 50, the upward inclined pipe simulation experiment subsystem 2 comprises an upward inclined conveying pipe 14, a leakage pipe I15, a leakage valve I16, a flow meter II 17 and a blocking valve I18, the downward inclined pipe simulation experiment subsystem 3 comprises a downward inclined conveying pipe 20, a leakage pipe II 21, a leakage valve II 22, a flow meter III 23 and a blocking valve II 24, the vertical upward pipe simulation experiment subsystem 4 comprises a vertical upward conveying pipe 26, a leakage pipe III 27, a leakage valve III 28, a flow meter IV 29 and a blocking valve III 30, the horizontal pipe simulation experiment subsystem 5 comprises a horizontal conveying pipe 32, a leakage pipe IV 33, a leakage valve IV 34, a flow meter V35, a blocking valve IV 36, a leakage pipe IV 38, a leakage valve V39, a flow meter VI 40 and a blocking valve V41, and the vertical downward pipe simulation experiment subsystem 6 comprises a vertical downward conveying pipe 43, A leakage pipe six 44, a leakage valve six 45, a flow meter seven 46 and a blocking valve six 47, and the data monitoring and analyzing system 7 comprises a data transmission line 51 and a processing analyzer 52.
The main body of the paste preparation conveying barrel 1 is a paste preparation barrel 8, the lower part of the side wall of the paste preparation barrel 8 is connected with the upward inclined pipe simulation experiment subsystem 2 through a discharge pipe 12, the discharge pipe 12 is provided with a discharge valve 9, a discharge pump 10 and a flow meter I11, and the upper part of the paste preparation barrel 8 is provided with a material return pipe 50.
The discharging pipe 12 is connected with an upward inclined conveying pipe 14, the tail end of the discharging pipe 12 is provided with a pressure gauge I13, the middle part of the upward inclined conveying pipe 14 is provided with a leakage pipe I15, a leakage valve I16 and a flow meter II 17 are sequentially arranged on the leakage pipe I15, and the tail end of the upward inclined conveying pipe 14 is provided with a blocking valve I18.
The downward inclined conveying pipe 20 is connected with the upward inclined conveying pipe 14, the inlet end of the downward inclined conveying pipe 20 is provided with a second pressure gauge 19, the middle part of the downward inclined conveying pipe 20 is provided with a second leakage pipe 21, the second blocking valve 24 is arranged at the outlet end of the downward inclined conveying pipe 20, and the second leakage valve 22 and the third flow meter 23 are sequentially arranged on the second leakage pipe 21.
The vertical upward conveying pipe 26 is connected with the downward inclined conveying pipe 20, the inlet end of the vertical upward conveying pipe 26 is provided with a third pressure gauge 25, the third leakage pipe 27 is arranged in the middle of the vertical upward conveying pipe 26, the third blocking valve 30 is arranged at the outlet end of the vertical upward conveying pipe 26, and the third leakage valve 28 and the fourth flow meter 29 are sequentially arranged on the third leakage pipe 27.
The horizontal conveying pipe 32 is connected with the vertical upward conveying pipe 26, a pressure gauge four 31, a pressure gauge five 37 and a pressure gauge six 42 are respectively installed at the inlet end, the middle part and the outlet end of the horizontal conveying pipe 32, a leakage pipe four 33 and a leakage pipe five 38 are respectively installed at the 1/3 and 2/3 positions of the horizontal conveying pipe 32, a blocking valve four 36 and a blocking valve five 41 are installed on the horizontal conveying pipe 32 and are respectively positioned between the leakage pipe four 33 and the pressure gauge five 37 and between the leakage pipe four 38 and the pressure gauge six 42, the leakage valve four 34 and the flow meter five 35 are sequentially installed on the leakage pipe four 33, and the leakage valve five 39 and the flow meter six 40 are sequentially installed on the leakage pipe five 38.
The vertical downward conveying pipe 43 is connected with the horizontal conveying pipe 32, the middle part of the vertical downward conveying pipe 43 is provided with a leakage pipe six 44, a leakage valve six 45 and a flow meter seven 46 are sequentially arranged on the leakage pipe six 44, a blocking valve six 47, a pressure meter seven 48 and a flow meter eight 49 are sequentially arranged at the outlet end of the vertical downward conveying pipe 43, and the outlet section of the vertical downward conveying pipe 43 is connected with a material return pipe 50.
The data transmission line 51 transmits the data collected by the paste preparation conveying barrel 1, the upward inclined tube simulation experiment subsystem 2, the downward inclined tube simulation experiment subsystem 3, the vertical upward tube simulation experiment subsystem 4, the horizontal tube simulation experiment subsystem 5 and the vertical downward tube simulation experiment subsystem 6 to the processing analyzer 52.
The experimental system can simulate various complex fault conditions such as single-point leakage, multi-point leakage, single-point pipe blockage, multi-point pipe blockage, simultaneous occurrence of pipe blockage and leakage and the like of a paste filling complex pipe network, and can monitor and analyze data in real time.
The application process of the system is as follows:
s1: paste slurry is prepared in a paste preparation barrel 8;
s2: opening a first pressure gauge 13, a second pressure gauge 19, a third pressure gauge 25, a fourth pressure gauge 31, a fifth pressure gauge 37, a sixth pressure gauge 42, a seventh pressure gauge 48, a first flow meter 11, a second flow meter 17, a third flow meter 23, a fourth flow meter 29, a fifth flow meter 35, a sixth flow meter 40, a seventh flow meter 46, an eighth flow meter 49, a first blocking valve 18, a second blocking valve 24, a third blocking valve 30, a fourth blocking valve 36, a fifth blocking valve 41 and a sixth blocking valve 47, closing a first leakage valve 16, a second leakage valve 22, a third leakage valve 28, a fourth leakage valve 34, a fifth leakage valve 39 and a sixth leakage valve 45;
s3: simulating single point leakage: opening the discharge valve 9 and the discharge pump 10, opening any one of a first leakage valve 16, a second leakage valve 22, a third leakage valve 28, a fourth leakage valve 34, a fifth leakage valve 39 and a sixth leakage valve 45, adjusting the opening of the valves within the range of 0-100%, and observing the pressure and rheological data change monitored by the data monitoring and analyzing system 7;
s4: simulating multi-point leakage: opening not less than two of the first leakage valve 16, the second leakage valve 22, the third leakage valve 28, the fourth leakage valve 34, the fifth leakage valve 39 and the sixth leakage valve 45, adjusting the opening degree of the opened valves within the range of 0-100%, and observing the change of pressure and rheological data monitored by the data monitoring and analyzing system 7;
s5: simulating single-point pipe plugging: closing any one of a first leakage valve 16, a second leakage valve 22, a third leakage valve 28, a fourth leakage valve 34, a fifth leakage valve 39 and a sixth leakage valve 45, closing a first blocking valve 18, a second blocking valve 24, a third blocking valve 30, a fourth blocking valve 36, a fifth blocking valve 41 and a sixth blocking valve 47, adjusting the opening degree of the valve within the range of 0-100%, and observing the pressure and rheological data change monitored by the data monitoring and analyzing system 7;
s6: simulating multi-point pipe plugging: closing at least two of the first leakage valve 16, the second leakage valve 22, the third leakage valve 28, the fourth leakage valve 34, the fifth leakage valve 39 and the sixth leakage valve 45, closing at least two of the first blocking valve 18, the second blocking valve 24, the third blocking valve 30, the fourth blocking valve 36, the fifth blocking valve 41 and the sixth blocking valve 47, adjusting the opening degree of the closed valves within the range of 0-100%, and observing the pressure and rheological data change monitored by the data monitoring and analyzing system 7;
s7: simulating simultaneous occurrence of pipe blockage and leakage: opening any one of a first blocking valve 18, a second blocking valve 24, a third blocking valve 30, a fourth blocking valve 36, a fifth blocking valve 41 and a sixth blocking valve 47, opening any one of a first leakage valve 16, a second leakage valve 22, a third leakage valve 28, a fourth leakage valve 34, a fifth leakage valve 39 and a sixth leakage valve 45, adjusting the opening degree of the valve within the range of 0-100%, closing any one of the first blocking valve 18, the second blocking valve 24, the third blocking valve 30, the fourth blocking valve 36, the fifth blocking valve 41 and the sixth blocking valve 47, adjusting the opening degree of the valve within the range of 0-100%, and observing the pressure and rheological data change monitored by the data monitoring and analyzing system 7.
The following description is given with reference to specific examples.
Example 1
As shown in fig. 1, the structure of the metal ore paste filling complex pipe network pipe plugging and leakage monitoring simulation experiment system is as follows, wherein the size of the key structure is as follows: the pipe diameters of the upward inclined conveying pipe 14, the downward inclined conveying pipe 20, the vertical upward conveying pipe 26, the horizontal conveying pipe 32 and the vertical downward conveying pipe 43 are all 30mm, the lengths of the upward inclined conveying pipe 14 and the downward inclined conveying pipe 20 are 3m, the inclination angle between the upward inclined conveying pipe 14 and the downward inclined conveying pipe 20 and the ground is 30 degrees, the lengths of the vertical upward conveying pipe 26 and the vertical downward conveying pipe 43 are 2m, and the length of the horizontal conveying pipe 32 is 5 m; the pipe diameters of the first leakage pipe 15, the second leakage pipe 21, the third leakage pipe 27, the fourth leakage pipe 33, the fifth leakage pipe 38 and the sixth leakage pipe 44 are 20 mm.
In the application process, the full tailings of a lead-zinc ore and cement are applied, and the concentration of the prepared paste slurry is 80%. In the process of simulating a single-point leakage experiment, the opening degree of an opened leakage valve is set to be 10%, 40% or 70%; in the process of simulating a multi-point leakage experiment, two leakage valves are selected to be opened, the opening degree of the two leakage valves is set to be 10%, 20% or 25%, and the three opening degrees of the two leakage valves are 6 groups of experimental combinations; in the process of simulating a single-point pipe plugging experiment, the opening degree of a closed plugging valve is set to be three values of 20%, 60% and 100%; in the process of simulating a multi-point pipe plugging experiment, two plugging valves are closed, the opening degree is set to be three values of 20%, 50% and 80%, and the three opening degrees of the two plugging valves are 6 groups of experiment combinations; in the experiment process of simulating simultaneous occurrence of pipe blockage and leakage, the blockage valve 41 is closed, the opening degree is set to be three values of 20%, 60% and 100%, the leakage valve 34 is opened, and the opening degree is set to be three values of 10%, 40% and 70%, and 6 groups of experiment combinations are total.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (9)
1. The utility model provides a metal ore paste body fills stifled pipe of complicated pipe network and leakage monitoring simulation experiment system which characterized in that: the paste preparation and conveying barrel comprises a paste preparation and conveying barrel (1), an upward inclined tube simulation experiment subsystem (2), a downward inclined tube simulation experiment subsystem (3), a vertical upward inclined tube simulation experiment subsystem (4), a horizontal tube simulation experiment subsystem (5), a vertical downward tube simulation experiment subsystem (6) and a data monitoring and analyzing system (7), wherein the paste preparation and conveying barrel (1), the upward inclined tube simulation experiment subsystem (2), the downward inclined tube simulation experiment subsystem (3), the vertical upward tube simulation experiment subsystem (4), the horizontal tube simulation experiment subsystem (5), the vertical downward tube simulation experiment subsystem (6) are sequentially connected to form a closed loop, and the data monitoring and analyzing system (7) is sequentially connected with the upward inclined tube simulation experiment subsystem (2), the downward inclined tube simulation experiment subsystem (3), the vertical upward tube simulation experiment subsystem (4) through a data transmission line (51), The horizontal pipe simulation experiment subsystem (5), the vertical downward pipe simulation experiment subsystem (6) and the paste preparation conveying barrel (1) are connected;
paste preparation conveying barrel (1) comprises a paste preparation barrel (8), a discharge valve (9), a discharge pump (10), a flow meter I (11), a discharge pipe (12) and a material return pipe (50), an upward inclined pipe simulation experiment subsystem (2) comprises an upward inclined conveying pipe (14), a leakage pipe I (15), a leakage valve I (16), a flow meter II (17) and a blocking valve I (18), a downward inclined pipe simulation experiment subsystem (3) comprises a downward inclined conveying pipe (20), a leakage pipe II (21), a leakage valve II (22), a flow meter III (23) and a blocking valve II (24), a vertical upward pipe simulation experiment subsystem (4) comprises a vertical upward conveying pipe (26), a leakage pipe III (27), a leakage valve III (28), a flow meter IV (29) and a blocking valve III (30), a horizontal pipe simulation experiment subsystem (5) comprises a horizontal conveying pipe (32), The system comprises a leakage pipe four (33), a leakage valve four (34), a flow meter five (35), a blocking valve four (36), a leakage pipe four (38), a leakage valve five (39), a flow meter six (40) and a blocking valve five (41), wherein the vertical downward pipe simulation experiment subsystem (6) comprises a vertical downward conveying pipe (43), a leakage pipe six (44), a leakage valve six (45), a flow meter seven (46) and a blocking valve six (47), and the data monitoring and analyzing system (7) comprises a data transmission line (51) and a processing analyzer (52).
2. The metal ore paste filling complex pipe network pipe plugging and leakage monitoring simulation experiment system according to claim 1, characterized in that: the main body of the paste preparation conveying barrel (1) is a paste preparation barrel (8), the lower part of the side wall of the paste preparation barrel (8) is connected with an upward inclined pipe simulation experiment subsystem (2) through a discharging pipe (12), the discharging pipe (12) is provided with a discharging valve (9), a discharging pump (10) and a first flowmeter (11), and the upper part of the paste preparation barrel (8) is provided with a material return pipe (50).
3. The metal ore paste filling complex pipe network pipe plugging and leakage monitoring simulation experiment system according to claim 1, characterized in that: the material discharging pipe (12) is connected with an upward inclined conveying pipe (14), a first pressure gauge (13) is arranged at the tail end of the material discharging pipe (12), a first leakage pipe (15) is arranged in the middle of the upward inclined conveying pipe (14), a first leakage valve (16) and a second flow meter (17) are sequentially arranged on the first leakage pipe (15), and a first blocking valve (18) is arranged at the tail end of the upward inclined conveying pipe (14).
4. The metal ore paste filling complex pipe network pipe plugging and leakage monitoring simulation experiment system according to claim 1, characterized in that: the downward inclined conveying pipe (20) is connected with the upward inclined conveying pipe (14), the inlet end of the downward inclined conveying pipe (20) is provided with a second pressure gauge (19), the middle part of the downward inclined conveying pipe (20) is provided with a second leakage pipe (21), a second blocking valve (24) is arranged at the outlet end of the downward inclined conveying pipe (20), and a second leakage valve (22) and a third flow meter (23) are sequentially arranged on the second leakage pipe (21).
5. The metal ore paste filling complex pipe network pipe plugging and leakage monitoring simulation experiment system according to claim 1, characterized in that: the vertical upward conveying pipe (26) is connected with the downward inclined conveying pipe (20), a pressure gauge III (25) is installed at the inlet end of the vertical upward conveying pipe (26), a leakage pipe III (27) is installed in the middle of the vertical upward conveying pipe (26), a blocking valve III (30) is installed at the outlet end of the vertical upward conveying pipe (26), and a leakage valve III (28) and a flowmeter IV (29) are sequentially installed on the leakage pipe III (27).
6. The metal ore paste filling complex pipe network pipe plugging and leakage monitoring simulation experiment system according to claim 1, characterized in that: the horizontal conveying pipe (32) is connected with the vertical upward conveying pipe (26), the inlet end, the middle part and the outlet end of the horizontal conveying pipe (32) are respectively provided with a pressure gauge four (31), a pressure gauge five (37) and a pressure gauge six (42), a leakage pipe four (33) and a leakage pipe five (38) are respectively arranged at 1/3 and 2/3 positions of the horizontal conveying pipe (32), a blocking valve four (36) and a blocking valve five (41) are arranged on the horizontal conveying pipe (32) and are respectively positioned between the leakage pipe four (33) and the pressure gauge five (37) and between the leakage pipe four (38) and the pressure gauge six (42), the leakage valve four (34) and the flow meter five (35) are sequentially arranged on the leakage pipe four (33), and the leakage valve five (39) and the flow meter six (40) are sequentially arranged on the leakage pipe five (38).
7. The metal ore paste filling complex pipe network pipe plugging and leakage monitoring simulation experiment system according to claim 1, characterized in that: horizontal conveyer pipe (32) is connected to vertical downdraft conveyer pipe (43), and the mid-mounting of vertical downdraft conveyer pipe (43) is leaked tub six (44), and leakage valve six (45), flowmeter seven (46) are installed in proper order on leaking tub six (44), and block up valve six (47), manometer seven (48) and flowmeter eight (49) are installed in proper order in the exit end of vertical downdraft conveyer pipe (43), and return pipe (50) is connected to vertical downdraft conveyer pipe (43) export section.
8. The metal ore paste filling complex pipe network pipe plugging and leakage monitoring simulation experiment system according to claim 1, characterized in that: the paste preparation and conveying barrel (1), the upward inclined tube simulation experiment subsystem (2), the downward inclined tube simulation experiment subsystem (3), the vertical upward tube simulation experiment subsystem (4), the horizontal tube simulation experiment subsystem (5) and the vertical downward tube simulation experiment subsystem (6) are transmitted to the processing analyzer (52) through the data transmission line (51).
9. The metal ore paste filling complex pipe network pipe plugging and leakage monitoring simulation experiment system according to claim 1, characterized in that: the application process of the system is as follows:
s1: paste slurry is prepared in a paste preparation barrel (8);
s2: opening a first pressure gauge (13), a second pressure gauge (19), a third pressure gauge (25), a fourth pressure gauge (31), a fifth pressure gauge (37), a sixth pressure gauge (42), a seventh pressure gauge (48), a first flow meter (11), a second flow meter (17), a third flow meter (23), a fourth flow meter (29), a fifth flow meter (35), a sixth flow meter (40), a seventh flow meter (46), an eighth flow meter (49), a first blocking valve (18), a second blocking valve (24), a third blocking valve (30), a fourth blocking valve (36), a fifth blocking valve (41) and a sixth blocking valve (47), closing a first leakage valve (16), a second leakage valve (22), a third leakage valve (28), a fourth leakage valve (34), a fifth leakage valve (39) and a sixth leakage valve (45);
s3: simulating single point leakage: opening a discharge valve (9) and a discharge pump (10), opening any one of a first leakage valve (16), a second leakage valve (22), a third leakage valve (28), a fourth leakage valve (34), a fifth leakage valve (39) and a sixth leakage valve (45), adjusting the opening of the valve within the range of 0-100%, and observing the change of pressure and rheological data monitored by a data monitoring and analyzing system (7);
s4: simulating multi-point leakage: opening at least two of a first leakage valve (16), a second leakage valve (22), a third leakage valve (28), a fourth leakage valve (34), a fifth leakage valve (39) and a sixth leakage valve (45), adjusting the opening degree of the opened valves within the range of 0-100%, and observing the pressure and rheological data change monitored by the data monitoring and analyzing system (7);
s5: simulating single-point pipe plugging: closing any one of a first leakage valve (16), a second leakage valve (22), a third leakage valve (28), a fourth leakage valve (34), a fifth leakage valve (39) and a sixth leakage valve (45), closing a first blocking valve (18), a second blocking valve (24), a third blocking valve (30), a fourth blocking valve (36), a fifth blocking valve (41) and a sixth blocking valve (47), adjusting the opening of the valve within the range of 0-100%, and observing the pressure and rheological data change monitored by the data monitoring and analyzing system (7);
s6: simulating multi-point pipe plugging: closing at least two of a first leakage valve (16), a second leakage valve (22), a third leakage valve (28), a fourth leakage valve (34), a fifth leakage valve (39) and a sixth leakage valve (45), closing at least two of a first blocking valve (18), a second blocking valve (24), a third blocking valve (30), a fourth blocking valve (36), a fifth blocking valve (41) and a sixth blocking valve (47), adjusting the opening degree of the closed valves within the range of 0-100%, and observing the pressure and rheological data changes monitored by the data monitoring and analyzing system (7);
s7: simulating simultaneous occurrence of pipe blockage and leakage: opening any one of a first blocking valve (18), a second blocking valve (24), a third blocking valve (30), a fourth blocking valve (36), a fifth blocking valve (41) and a sixth blocking valve (47), opening any one of a first leakage valve (16), a second leakage valve (22), a third leakage valve (28), a fourth leakage valve (34), a fifth leakage valve (39) and a sixth leakage valve (45), adjusting the opening degree of the valve within the range of 0-100%, closing any one of the first blocking valve (18), the second blocking valve (24), the third blocking valve (30), the fourth blocking valve (36), the fifth blocking valve (41) and the sixth blocking valve (47), adjusting the opening degree of the valve within the range of 0-100%, and observing the pressure and rheological data change monitored by the data monitoring and analyzing system (7).
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