CN218327541U - Coal slurry pipeline conveying system with problem handling function - Google Patents

Coal slurry pipeline conveying system with problem handling function Download PDF

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Publication number
CN218327541U
CN218327541U CN202222687315.0U CN202222687315U CN218327541U CN 218327541 U CN218327541 U CN 218327541U CN 202222687315 U CN202222687315 U CN 202222687315U CN 218327541 U CN218327541 U CN 218327541U
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pump
pump station
main
slurry
pipeline
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梁霏飞
张征
杨海旺
吴崇
张建平
徐杨青
吴磊
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Wuhan Design and Research Institute of China Coal Technology and Engineering Group
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Wuhan Design and Research Institute of China Coal Technology and Engineering Group
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Abstract

The utility model provides a coal slurry pipeline conveying system who possesses problem response function, including the head end pump station, middle pump station, terminal pump station, head end pump station and middle pump station all set up a jar group, the slurry feeding pump, detect the pipeline, the main pump advances thick liquid house steward, advance thick liquid house steward flowmeter, the unit that the main pump is constituteed, the reserve pump, the single pump flowmeter, the main pump goes out thick liquid house steward, go out thick liquid house steward flowmeter, the conveyer pipe between head end to middle pump station, middle pump station feeding buffer, operation procedure automatic feedback regulation control system, conveyer pipe between middle to terminal pump station, terminal pump station feeding buffer.

Description

Coal slurry pipeline conveying system with problem handling function
Technical Field
The utility model relates to a pipeline conveying system is a coal slurry pipeline conveying system who possesses problem handling function particularly, belongs to coal slurry pipeline transportation field.
Background
When the coal slurry is conveyed through a pipeline, the problem that the safety and the stability of the system are influenced due to the fact that the pipeline is stopped due to irresistible reasons or the problem that the operation is stopped under abnormal conditions due to irresistible reasons is possible, the safe operation of the system is influenced, and economic loss is caused.
Disclosure of Invention
The utility model aims to solve the problem that coal slurry pipeline transportation system arouses because the factor can not resist to the security and the stability of guarantee coal slurry pipeline transportation are solved the problem that coal slurry pipeline transportation appears.
In order to solve the technical problem, the utility model provides a coal slurry pipeline conveying system with a problem handling function, which comprises a head-end pump station 1, an intermediate pump station 2 and a terminal pump station 3, wherein the intermediate pump station 2 is provided with at least one, the head-end pump station 1 is connected with the intermediate pump station 2 through a conveying pipe 14 from the head end to the intermediate pump station, and the intermediate pump station 2 is connected with the terminal pump station 3 through a conveying pipe 17 from the intermediate pump station to the terminal pump station;
the head-end pump station 1 and the middle pump station 2 respectively comprise a tank group 4, a slurry feeding pump 5, a detection pipeline 6, a main pump slurry inlet main pipe 7, a slurry inlet main pipe flowmeter 8, a unit consisting of a main pump 9, a standby pump 10, a single-pump flowmeter 11, a main pump slurry outlet main pipe 12, a slurry outlet main pipe flowmeter 13, a conveying pipe 14 from the head end to the middle pump station, a feeding buffer 15 of the middle pump station, an automatic running program feedback regulation control system 16, a conveying pipe 17 from the middle to the terminal pump station and a feeding buffer 18 of the terminal pump station which are sequentially connected with an internal pipeline;
the operation program automatic feedback regulation control system 16 is connected with the head-end pump station 1, the intermediate pump station 2 and the terminal pump station 3 in a wired or wireless mode;
the running program automatic feedback regulation control system 16 is respectively connected with a tank group 4, a slurry feeding pump 5, a detection pipeline 6, a main pump slurry inlet main pipe 7, a slurry inlet main pipe flowmeter 8, a unit consisting of a main pump 9, a standby pump 10, a single-pump flowmeter 11, a main pump slurry outlet main pipe 12 and a slurry outlet main pipe flowmeter 13 through control cables;
the head end pump station 1 is connected with the middle pump station 2 through a head end to middle pump station conveying pipe 14, the middle pump station 2 is connected with the terminal pump station 3 through a middle to terminal pump station conveying pipe 17, a middle pump station feeding buffer 15 is arranged in front of the middle pump station 2, a terminal pump station feeding buffer 18 is arranged in front of the terminal pump station 3, the head end to middle pump station conveying pipe 14 is connected with the tank group 4 through a pipeline, a slurry feeding pump 5 is arranged behind each tank in the tank group 4, each branch composed of each tank and the slurry feeding pump 5 is connected with the beginning end of the detection pipeline 6 after being connected in parallel through a pipeline, the tail end of the detection pipeline 6 is connected with a unit composed of a main pump slurry inlet main pipe 7 and a main pump 9, a slurry inlet main pipe flow meter 8 used for setting, controlling and displaying the real-time total flow function of the corresponding pipeline is arranged on the main pump slurry inlet main pipe 7, a slurry outlet main pipe 13 used for setting, controlling and displaying the real-time total flow function of the corresponding pipeline is arranged on the main pump slurry outlet main pump 12, and the total flow is equal to the flow sum of the flow of the parallel branch pipelines;
n pumps are arranged in a unit consisting of the main pumps 9, n is more than or equal to 3, the n main pumps 9 are connected in parallel by branch lines, and the n main pumps 9 and the standby pump 10 are also connected in parallel by the branch lines;
the outlet pipes of the main pumps 9 are respectively provided with a single-pump flowmeter 11 for setting, controlling and displaying the real-time flow effect of each branch pipeline, n main pumps 9 are connected in parallel and then are connected with a main pump slurry outlet main pipe 12, the main pump slurry outlet main pipe 12 is connected with a conveying pipe 17 between a middle pump station and a terminal pump station, and an operation program automatic feedback regulation control system 16 is respectively connected with a tank group 4, a slurry feeding pump 5, a detection pipeline 6, a main pump slurry inlet main pipe 7, a slurry inlet main pipe flowmeter 8, a unit consisting of the main pumps 9, a standby pump 10, the single-pump flowmeter 11, the main pump slurry outlet main pipe 12 and a slurry outlet main pipe flowmeter 13 through control cables so as to perform feedback regulation control;
valves for separating are arranged at the outlet of the tank group 4, the inlet and the outlet of the slurry feeding pump 5 and the inlet and the outlet of a unit consisting of a main pump 9;
when the coal slurry is conveyed through a pipeline, the n main pumps 9 are all started to operate, and the standby pump 10 is not started and only serves as a standby pump when problems occur; the coal slurry in the tank group 4 is sent into a slurry feeding pump 5 through a pipeline, the slurry feeding pump 5 provides pressure to output the coal slurry in the tank group 4, the coal slurry enters a detection pipeline 6 through the pipeline to prevent the safety and stability of the system from being affected and prevent the pipeline from being blocked, and then enters a unit pump output system consisting of a main pump 9 through a main pump slurry inlet main pipe 7 and then is connected with the pipeline for conveying;
when one of the main pumps 9 of a certain pump station stops operating due to irresistible factors to cause problems, the pump and the pump station with problems occur, in order to ensure that the normal flow of the coal slurry can be conveyed to an end user for use, in order to keep the normal coal slurry transportation volume and the system total flow, the operation program automatically feeds back and adjusts the action of the control system 16, so that other n-1 main pumps 9 which normally operate automatically accelerate, and the flow of the n-1 main pumps 9 except the pump with problems is determined by Q before the problems occur l To Q after the occurrence of a problem 2 The stroke frequency of the main pump 9 is increased; at the moment, n-1 main pumps 9 bear the conveying flow of n main pumps 9, and the system is kept to operate under normal total flow and total conveying capacity; in the instant, the upstream pump station boosts the pressure because the flow of the pump station with the problem is reduced, the automatic pressure relief valve is opened, and the automatic pressure relief valve is automatically closed after the pressure is relieved; when n-1 main pumps 9 run stably, the standby pump 10 is added to work; when the standby pump 10 is gradually started, the n-1 running main pumps 9 correspondingly reduce the flow, the stroke frequency of the main pumps 9 is reduced, and the total flow and the total transportation volume of the system are kept unchanged until the system is normally operated; because the acceleration time of the n-1 main pumps 9 is short, the influence on the feeding of the downstream pump station is small, and the feeding buffer 15 of the intermediate pump station and the feeding buffer 18 of the terminal pump station are arranged to eliminate the influence caused by the instantaneous flow reduction.
Drawings
The present invention will be further explained with reference to the accompanying drawings.
Fig. 1 is a schematic view of the process flow of the present invention.
In the figure: 1-a head end pump station, 2-an intermediate pump station, 3-a terminal pump station, 4-a tank group, 5-a slurry feeding pump, 6-a detection pipeline, 7-a main pump slurry inlet main pipe, 8-a slurry inlet main pipe flow meter, 9-a main pump, 10-a standby pump, 11-a single pump flow meter, 12-a main pump slurry outlet main pipe, 13-a slurry outlet main pipe flow meter, 14-a head end to intermediate pump station conveying pipe, 15-an intermediate pump station feeding buffer, 16-an operation program automatic feedback regulation control system, 17-an intermediate to terminal pump station conveying pipe and 18-a terminal pump station feeding buffer.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other. In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "page", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
As shown in fig. 1, a coal slurry pipeline conveying system with a problem handling function comprises pump stations from a head end to a terminal along a pipeline, and comprises a head-end pump station 1, an intermediate pump station 2 and a terminal pump station 3, wherein at least one intermediate pump station 2 is arranged, the head-end pump station 1 is connected with the intermediate pump station 2 through a head-end to intermediate pump station conveying pipe 14, and the intermediate pump station 2 is connected with the terminal pump station 3 through an intermediate to terminal pump station conveying pipe 17;
the head-end pump station 1 and the middle pump station 2 respectively comprise a tank group 4, a slurry feeding pump 5, a detection pipeline 6, a main pump slurry inlet main pipe 7, a slurry inlet main pipe flowmeter 8, a unit consisting of a main pump 9, a standby pump 10, a single-pump flowmeter 11, a main pump slurry outlet main pipe 12, a slurry outlet main pipe flowmeter 13, a conveying pipe 14 from the head end to the middle pump station, a feeding buffer 15 of the middle pump station, an automatic running program feedback regulation control system 16, a conveying pipe 17 from the middle to the terminal pump station and a feeding buffer 18 of the terminal pump station which are sequentially connected with an internal pipeline;
the operation program automatic feedback regulation control system 16 is connected with the head-end pump station 1, the middle pump station 2 and the terminal pump station 3 in a wired or wireless mode;
the running program automatic feedback regulation control system 16 is respectively connected with a tank group 4, a slurry feeding pump 5, a detection pipeline 6, a main pump slurry inlet main pipe 7, a slurry inlet main pipe flowmeter 8, a unit consisting of a main pump 9, a standby pump 10, a single-pump flowmeter 11, a main pump slurry outlet main pipe 12 and a slurry outlet main pipe flowmeter 13 through control cables;
the head end pump station 1 is connected with the middle pump station 2 through a head end to middle pump station conveying pipe 14, the middle pump station 2 is connected with the terminal pump station 3 through a middle to terminal pump station conveying pipe 17, a middle pump station feeding buffer 15 is arranged in front of the middle pump station 2, a terminal pump station feeding buffer 18 is arranged in front of the terminal pump station 3, the head end to middle pump station conveying pipe 14 is connected with the tank group 4 through a pipeline, a slurry feeding pump 5 is arranged behind each tank in the tank group 4, each branch composed of each tank and the slurry feeding pump 5 is connected with the beginning end of the detection pipeline 6 after being connected in parallel through a pipeline, the tail end of the detection pipeline 6 is connected with a unit composed of a main pump slurry inlet main pipe 7 and a main pump 9, a slurry inlet main pipe flow meter 8 used for setting, controlling and displaying the real-time total flow function of the corresponding pipeline is arranged on the main pump slurry inlet main pipe 7, a slurry outlet main pipe 13 used for setting, controlling and displaying the real-time total flow function of the corresponding pipeline is arranged on the main pump slurry outlet main pump 12, and the total flow is equal to the flow sum of the flow of the parallel branch pipelines;
n pumps are arranged in a unit consisting of the main pumps 9, n main pumps 9 are more than or equal to 3 and are connected with a main pump slurry outlet main pipe 12 after being connected in a parallel mode, and the n main pumps 9 are also connected with a standby pump 10 in a parallel mode through branch pipes;
a main pump slurry inlet main pipe 7 is provided with a main slurry inlet pipe flowmeter 8 for setting, controlling and displaying the real-time total flow of the corresponding pipeline, a main pump slurry outlet main pipe 12 is provided with a main slurry outlet pipe flowmeter 13 for setting, controlling and displaying the real-time total flow of the corresponding pipeline, the main slurry inlet pipe flowmeter 8 and the main slurry outlet pipe flowmeter 13 have the functions of setting, controlling and displaying the real-time total flow of the corresponding pipeline, and the total flow is equal to the sum of the flows of all parallel branch pipelines;
the outlet pipes of the main pumps 9 are respectively provided with a single-pump flowmeter 11 for setting, controlling and displaying the real-time flow effect of each branch pipeline, n main pumps 9 are connected in parallel and then are connected with a main pump slurry outlet main pipe 12, the main pump slurry outlet main pipe 12 is connected with a conveying pipe 17 between a middle pump station and a terminal pump station, and an operation program automatic feedback regulation control system 16 is respectively connected with a tank group 4, a slurry feeding pump 5, a detection pipeline 6, a main pump slurry inlet main pipe 7, a slurry inlet main pipe flowmeter 8, a unit consisting of the main pumps 9, a standby pump 10, the single-pump flowmeter 11, the main pump slurry outlet main pipe 12 and a slurry outlet main pipe flowmeter 13 through control cables so as to perform feedback regulation control;
the outlet of the tank group 4, the inlet and the outlet of the slurry feeding pump 5 and the inlet and the outlet of the unit consisting of the main pump 9 are provided with valves for separating;
when the coal slurry is conveyed through a pipeline, the n main pumps 9 are all started to operate, and the standby pump 10 is not started and only serves as a standby pump when problems occur; the coal slurry in the tank group 4 is fed into a slurry feeding pump 5 through a pipeline, the slurry feeding pump 5 provides pressure to output the coal slurry in the tank group 4, the coal slurry enters a detection pipeline 6 through the pipeline to prevent the problems of influencing the safety and the stability of the system, preventing the pipeline from being blocked and the like, and then enters a unit pump system consisting of a main pump 9 through a main pump slurry inlet main pipe 7 and is connected with the pipeline for conveying;
when one of the main pumps 9 of a certain pump station stops operating due to irresistible factors to cause problems, the pump and the pump station with problems occur, in order to ensure that the normal flow of the coal slurry can be conveyed to an end user for use, in order to keep the normal coal slurry transportation volume and the system total flow, the operation program automatically feeds back and adjusts the action of the control system 16, so that other n-1 main pumps 9 which normally operate automatically accelerate, and the flow of the n-1 main pumps 9 except the pump with problems is determined by Q before the problems occur l To Q after the occurrence of a problem 2 The stroke frequency of the main pump 9 is increased; at the moment, n-1 main pumps 9 bear the conveying flow of the n main pumps 9, and the system is kept to operate under normal total flow and total conveying capacity; in the instant, the upstream pump station boosts the pressure because the flow of the pump station with the problem is reduced, the automatic pressure relief valve is opened, and the automatic pressure relief valve is automatically closed after the pressure is relieved; when n-1 main pumps 9 run stably, the standby pump 10 is added to work; when the standby pump 10 is gradually started, the n-1 running main pumps 9 correspondingly reduce the flow, the stroke frequency of the main pumps 9 is reduced, and the total flow and the total transportation volume of the system are kept unchanged until the system is normally operated; because the acceleration time of the n-1 main pumps 9 is short, the influence on the feeding of the downstream pump station is small, and the feeding buffer 15 of the intermediate pump station and the feeding buffer 18 of the terminal pump station are arranged to eliminate the influence caused by the instantaneous flow reduction.
The foregoing shows and describes the basic principles and principal features of the invention, together with the advantages thereof. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description of the above embodiments and the description is only for the purpose of illustrating the structural relationships and principles of the present invention, and that there can be various changes and modifications without departing from the spirit and scope of the present invention, and that these changes and modifications all fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides a coal slurry pipeline conveying system who possesses problem response function which characterized in that: the coal slurry pipeline conveying system with the problem handling function comprises a head end pump station (1), a middle pump station (2) and a terminal pump station (3), wherein the head end pump station (1) is connected with the middle pump station (2) through a conveying pipe (14) from the head end to the middle pump station, and the middle pump station (2) is connected with the terminal pump station (3) through a conveying pipe (17) from the middle to the terminal pump station;
head end pump station (1) and middle pump station (2) all include tank group (4) of connecting gradually on the internal pipeline, feed stuff pump (5), detect pipeline (6), main pump advances thick liquid house steward (7), advance thick liquid house steward flowmeter (8), the unit that main pump (9) are constituteed, reserve pump (10), single pump flowmeter (11), main pump play thick liquid house steward (12), play thick liquid house steward flowmeter (13), head end is to conveyer pipe (14) between the middle pump station, middle pump station feeding buffer (15), operation procedure automatic feedback regulation control system (16), middle to terminal pump station between conveyer pipe (17), terminal pump station feeding buffer (18), operation procedure automatic feedback regulation control system (16) is through wired or wireless mode and pump station (1), middle pump station (2), terminal pump station (3) are connected.
2. The coal slurry pipeline conveying system with the problem handling function according to claim 1, characterized in that: the automatic feedback regulation control system (16) of the operation program is respectively connected with the tank group (4), the slurry feeding pump (5), the detection pipeline (6), the main pump slurry inlet main pipe (7), the slurry inlet main pipe flow meter (8) and the main pump (9) through control cables, and the unit, the standby pump (10), the single-pump flow meter (11), the main pump slurry outlet main pipe (12) and the slurry outlet main pipe flow meter (13) are formed.
3. The coal slurry pipeline conveying system with the problem handling function according to claim 1, characterized in that: the system comprises a head-end pump station (1) and a middle pump station (2), wherein the head-end pump station is connected with the middle pump station through a conveying pipe (14) between the head end and the middle pump station, the middle pump station (2) is connected with a terminal pump station through a conveying pipe (17) between the middle pump station and the terminal pump station, the head-end and middle pump station conveying pipe (14) is connected with a tank group (4) through a pipeline, a slurry feeding pump (5) is arranged behind each tank in the tank group (4), each branch formed by each tank and the slurry feeding pump (5) is connected in a parallel mode through a pipeline and then is connected with the initial end of a detection pipeline (6), the tail end of the detection pipeline (6) is connected with a unit formed by a main pump slurry inlet main pipe (7) and a main pump (9), a slurry inlet main pipe flowmeter (8) used for setting, controlling and displaying the action of the real-time total flow of the corresponding pipeline is arranged on the main pump slurry outlet main pump main pipe (12), and a slurry outlet main flowmeter (13) used for setting, controlling and displaying the action of the real-time total flow of the corresponding pipeline is arranged on the main pump.
4. The coal slurry pipeline conveying system with the problem handling function according to claim 3, wherein: an intermediate pump station feeding buffer (15) is arranged in front of the intermediate pump station (2), and a terminal pump station feeding buffer (18) is arranged in front of the terminal pump station (3).
5. The coal slurry pipeline conveying system with the problem handling function according to claim 3, wherein: the unit formed by the main pumps (9) is provided with n pumps, n is more than or equal to 3, the n main pumps (9) are connected in parallel by branch lines, and the n main pumps (9) and the standby pump (10) are also connected in parallel by the branch lines.
6. The coal slurry pipeline conveying system with the problem handling function according to claim 3, wherein: all install single pump flowmeter (11) that are used for setting up, control and show real-time flow effect of each branch pipe on the outlet pipe of each main pump (9), all be connected with main pump play thick liquid house steward (12) after main pump (9) of n platform are connected through parallel connection, the main pump goes out thick liquid house steward (12) and is connected to conveyer pipe (17) between the terminal pump station with middle.
7. The coal slurry pipeline conveying system with the problem handling function according to claim 3, wherein: the export of jar group (4), the import and the export of feeding stuff pump (5), the import and the export of the unit that main pump (9) are constituteed all install the valve that is used for cutting off the effect.
CN202222687315.0U 2022-10-12 2022-10-12 Coal slurry pipeline conveying system with problem handling function Active CN218327541U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117367464A (en) * 2023-10-10 2024-01-09 中煤科工集团武汉设计研究院有限公司 Automatic pricing device and method for multi-source iron concentrate pulp collection system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117367464A (en) * 2023-10-10 2024-01-09 中煤科工集团武汉设计研究院有限公司 Automatic pricing device and method for multi-source iron concentrate pulp collection system
CN117367464B (en) * 2023-10-10 2024-07-19 中煤科工集团武汉设计研究院有限公司 Automatic pricing device and method for multi-source iron concentrate pulp collection system

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