CN110848573B - Double-line intercommunicated stirring tank of pipeline conveying pump station and control method thereof - Google Patents
Double-line intercommunicated stirring tank of pipeline conveying pump station and control method thereof Download PDFInfo
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- CN110848573B CN110848573B CN201911110805.0A CN201911110805A CN110848573B CN 110848573 B CN110848573 B CN 110848573B CN 201911110805 A CN201911110805 A CN 201911110805A CN 110848573 B CN110848573 B CN 110848573B
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- line
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- pipeline
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- pump
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/08—Pipe-line systems for liquids or viscous products
- F17D1/14—Conveying liquids or viscous products by pumping
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
Abstract
The invention discloses a double-line intercommunicated stirring tank of a pipeline conveying pump station, which is characterized by comprising an A-line stirring tank and a B-line stirring tank; the line A stirring tank and the line B stirring tank are respectively provided with a line A pipeline and a line B pipeline; a C-line pipeline is communicated between the A-line pipeline and the B-line pipeline, and an intercommunicating valve is arranged on the C-line pipeline; the line A pipeline comprises a line A feeding pump connected with the line A stirring tank, the line A feeding pump is respectively connected with an inlet valve of a line A main pump and a line A valve I, the line A valve I is connected with a line A valve II, and the line A valve II is connected with the line A stirring tank; the B line pipeline comprises a B line feeding pump connected with the B line stirring tank, the B line feeding pump is respectively connected with a B line main pump inlet valve and a B line valve I, the B line valve I is connected with a B line valve II, and the B line valve II is connected with the B line stirring tank; the control method of the double-line intercommunication stirring tank of the pipeline conveying pump station is further disclosed, switching between double-line conveying is achieved, and normal operation of ore pulp conveying is guaranteed.
Description
Technical Field
The invention relates to the field of long-distance ore pulp pipeline conveying, in particular to a double-line intercommunicated stirring tank of a pipeline conveying pump station and a control method thereof.
Background
In a long-distance ore pulp pipeline conveying system, an intermediate pump station plays a role in bearing up and down. The function in whole long distance pipeline conveying system is very light, and the high-efficient steady operation of whole strip apart from ore pulp pipeline conveying system just can be guaranteed to middle pump station steady operation. Because the A, B line stirring tanks of the intermediate pump station are all independently supplied with ores, the A line stirring tank supplies the main pump of the A line, the B line stirring tank supplies the main pump of the B line, and the stirring tanks cannot be communicated with each other. Therefore, when the A line (B line) equipment fails and cannot be normally conveyed, the B line (A line) cannot take over the conveying, the machine can only be stopped for processing, and the smooth production is seriously influenced.
Disclosure of Invention
The invention aims to: aiming at the existing problems, the two-line intercommunicated stirring tank of the pipeline conveying pump station and the control method thereof are provided, so that the intercommunicated stirring tank can be realized, the stirring tank can be switched for use, and the normal operation of a conveying channel can be kept; when the impeller of the stirring tank needs to be overhauled, the stirring tank is emptied; the high-efficiency stable operation of the ore pulp pipeline conveying system is realized.
The technical scheme adopted by the invention is as follows:
the invention relates to a double-line intercommunicated stirring tank of a pipeline conveying pump station, which comprises an A-line stirring tank and a B-line stirring tank; the line A stirring tank and the line B stirring tank are respectively provided with a line A pipeline and a line B pipeline; a C-line pipeline is communicated between the A-line pipeline and the B-line pipeline, and an intercommunicating valve is arranged on the C-line pipeline; the line A pipeline comprises a line A feeding pump connected with the line A stirring tank, the line A feeding pump is respectively connected with an inlet valve of a line A main pump and a line A valve I, the line A valve I is connected with a line A valve II, and the line A valve II is connected with the line A stirring tank; the line B pipeline comprises a line B feeding pump connected with the line B stirring tank, the line B feeding pump is respectively connected with a line B main pump inlet valve and a line B valve I, the line B valve I is connected with a line B valve II, and the line B valve II is connected with the line B stirring tank.
Furthermore, one end of the C-line pipeline is connected between the first A-line valve and the second A-line valve, and the other end of the C-line pipeline is connected between the first B-line valve and the second B-line valve.
Further, the inlet valve of the A-line main pump and the inlet valve of the B-line main pump are respectively connected with the A-line main pump and the B-line main pump.
The invention relates to a control method of a double-line intercommunicated stirring tank of a pipeline conveying pump station, which is characterized in that when an A line and a B line are independently and normally produced, an inlet valve of a main pump of the A line is opened, and a first valve of the A line is closed; and opening the inlet valve of the main pump of the line B, and closing the first valve of the line B.
The invention relates to a control method of a double-line intercommunicated mixing tank of a pipeline conveying pump station, which is characterized in that when a B-line main pump of a middle pump station breaks down and slurry in the B-line mixing tank is poured to an A-line for conveying, an inlet valve of the B-line main pump is closed, a first B-line valve, an intercommunicated valve and a second A-line valve are opened, the first A-line valve is in a closed state, and a feeding pump of the B-line is started.
The invention relates to a control method of a double-line intercommunicated mixing tank of a pipeline conveying pump station, which is characterized in that when a line A main pump of a middle pump station breaks down and slurry in the line A mixing tank is poured to a line B for conveying, an inlet valve of the line A main pump is closed, a line A valve I, an intercommunicated valve and a line B valve II are opened, the line B valve I is in a closed state, and a line A feeding pump is started.
The invention discloses a control method of a double-line intercommunicated mixing tank of a pipeline conveying pump station, which is characterized in that when a B-line mixing tank needs to be checked and replaced by an impeller or other overhauls and needs to be emptied, and ore pulp in the B-line mixing tank is poured to an A-line for storage, an inlet valve of a B-line main pump is closed, a first B-line valve, an intercommunicated valve and a second A-line valve are opened, the first A-line valve is in a closed state, and a B-line feeding pump is started.
The invention discloses a control method of a double-line intercommunicated mixing tank of a pipeline conveying pump station, which is characterized in that when an A-line mixing tank needs to be checked and replaced by an impeller or other overhauls and needs to be emptied, and ore pulp in the A-line mixing tank is poured to a B-line for storage, an inlet valve of a main pump of the A-line is closed, a first valve of the A-line, an intercommunicated valve and a second valve of the B-line are opened, and a first valve of the B-line is in a closed state, so that a feeding pump of the.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. the double-line ore pulp conveying is realized, and the normal work of the ore pulp conveying is ensured; the ore pulp in the A line (B line) stirring tank can be poured into the B line (A line) stirring tank to be conveyed through the B line (A line), and when one line in the middle pump station fails to normally convey due to failure, the other line can take over conveying.
2. When the stirred tank impeller needs to be overhauled, the stirred tank can be emptied, the traditional method is compared, accumulated ores in the stirred tank are placed into a trench in a factory building and then discharged to an accident pool, and the stirred tank is returned after slurry is made in the accident pool, so that the time and the labor are saved.
Drawings
The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
FIG. 1 is a schematic structural diagram of a two-line intercommunicated agitator tank of a pipeline pump station.
The figure shows the line 1-A feeding pump, the line 2-A main pump inlet valve, the line 3-A valve I, the line 4-B feeding pump, the line 5-B valve I, the line 6-B main pump inlet valve, the line 7-intercommunicating valve, the line 8-A valve II and the line 9-B valve II.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification (including any accompanying claims, abstract) may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
Referring to fig. 1, the invention relates to a two-line intercommunicated agitator tank of a pipeline conveying pump station, which comprises an A-line agitator tank and a B-line agitator tank; the line A stirring tank and the line B stirring tank are respectively provided with a line A pipeline and a line B pipeline; a C-line pipeline is communicated between the A-line pipeline and the B-line pipeline, and an intercommunicating valve 7 is arranged on the C-line pipeline;
the line A pipeline comprises a line A feeding pump 1 connected with the line A stirring tank, the line A feeding pump 1 is respectively connected with a line A main pump inlet valve 2 and a line A valve I3, the line A valve I3 is connected with a line A valve II 8, and the line A valve II 8 is connected with the line A stirring tank;
the line B pipeline comprises a line B feeding pump 4 connected with the line B stirring tank, the line B feeding pump 4 is respectively connected with a line B main pump inlet valve 6 and a line B valve I5, the line B valve I5 is connected with a line B valve II 9, and the line B valve II 9 is connected with the line B stirring tank.
In the embodiment, one end of the C-line pipeline is connected between the first line valve 3 and the second line valve 8, and the other end of the C-line pipeline is connected between the first line valve 5 and the second line valve 9; the line A main pump inlet valve 2 and the line B main pump inlet valve 6 are respectively connected with a line A main pump and a line B main pump.
The embodiment also discloses a control method of the double-line intercommunicated stirring tank of the pipeline conveying pump station, which specifically comprises the following steps:
when the A and B double lines are normally produced, opening a main pump inlet valve 2 of the A line, and closing a first valve 3 of the A line; and (3) opening a B-line main pump inlet valve 6, and closing a B-line valve I5, wherein the double lines belong to respective independent operation states, so that the ore pulp conveying of the double lines can be ensured.
When the B-line main pump of the middle pump station breaks down and pours the ore pulp in the B-line stirring tank to the A-line conveying, the inlet valve 6 of the B-line main pump is closed, the first valve 5 of the B-line valve, the intercommunication valve 7 and the second valve 8 of the A-line valve are opened, the first valve 3 of the A-line valve is in a closed state, the B-line feeding pump 4 is started, and the pouring of the ore pulp in the B-line stirring tank to the A-line conveying can be achieved.
When the A-line main pump of the middle pump station breaks down and pours the ore pulp in the A-line stirring tank to the B-line conveying, the inlet valve 2 of the A-line main pump is closed, the first 3 of the A-line valve, the intercommunication valve 7 and the second 9 of the B-line valve are opened, the first 5 of the B-line valve is in a closed state, the A-line feeding pump 1 is started, and the pouring of the ore pulp in the A-line stirring tank to the B-line conveying can be achieved.
When the B-line stirring tank needs to be checked and replaced or other overhaul needs to be carried out to empty the B-line stirring tank, and ore pulp in the B-line stirring tank is poured to the A-line for storage, the B-line main pump inlet valve 6 is closed, the B-line valve I5, the intercommunication valve 7 and the A-line valve II 8 are opened, the A-line valve I3 is in a closed state, and the B-line feeding pump 4 is started, so that the ore pulp in the B-line stirring tank can be poured to the A-line for storage. Compare traditional way and put into trench in the factory building and arrange toward accident pond again with the long-pending ore deposit in the stirred tank, return the stirred tank after making thick liquid by accident pond again, labour saving and time saving.
When the A-line stirring tank needs to be checked and replaced, or other overhaul needs to drain the A-line stirring tank, and ore pulp in the A-line stirring tank is poured to the B-line for storage, the A-line main pump inlet valve 2 is closed, the A-line valve I3, the intercommunication valve 7 and the B-line valve II 9 are opened, the B-line valve I5 is in a closed state, and the A-line feeding pump 1 is started, so that the ore pulp in the A-line stirring tank can be poured to the B-line for storage.
The invention is not limited to the foregoing embodiments. The invention extends to any novel feature or any novel combination of features disclosed in this specification and any novel method or process steps or any novel combination of features disclosed.
Claims (7)
1. A double-line intercommunicated stirring tank of a pipeline conveying pump station is characterized by comprising a line A stirring tank and a line B stirring tank; the line A stirring tank and the line B stirring tank are respectively provided with a line A pipeline and a line B pipeline; a C-line pipeline is communicated between the A-line pipeline and the B-line pipeline, and an intercommunicating valve (7) is arranged on the C-line pipeline;
the line A pipeline comprises a line A feeding pump (1) connected with the line A stirring tank, the line A feeding pump (1) is respectively connected with a line A main pump inlet valve (2) and a line A valve (3), the line A valve (3) is connected with a line A valve II (8), and the line A valve II (8) is connected with the line A stirring tank;
the B line pipeline comprises a B line feeding pump (4) connected with the B line stirring tank, the B line feeding pump (4) is respectively connected with a B line main pump inlet valve (6) and a B line valve I (5), the B line valve I (5) is connected with a B line valve II (9), and the B line valve II (9) is connected with the B line stirring tank;
c line pipeline one end is connected between A line valve (3) and A line valve two (8), and the other end is connected in B line valve one (5) and B line valve two (9).
2. The double-line intercommunicating agitator tank of the pipeline delivery pump station according to claim 1, wherein the inlet valve (2) of the main pump of line A and the inlet valve (6) of the main pump of line B are respectively connected with the main pump of line A and the main pump of line B.
3. The control method for the double-line intercommunicated agitator tank of the pipeline conveying pump station is characterized in that when the A line and the B line are independently and normally produced, the A line main pump inlet valve (2) is opened, and the A line valve I (3) is closed; and (3) opening a B-line main pump inlet valve (6), and closing a B-line valve I (5).
4. A control method of a double-line intercommunicated agitator tank of a pipeline conveying pump station based on claim 1 is characterized in that when a main pump of a line B of an intermediate pump station breaks down and slurry in the agitator tank of the line B is poured to a line A for conveying, an inlet valve (6) of the main pump of the line B is closed, a first valve (5) of the line B, an intercommunicated valve (7) and a second valve (8) of the line A are opened, the first valve (3) of the line A is in a closed state, and a feeding pump (4) of the line B is started.
5. A control method of a double-line intercommunicated agitator tank of a pipeline conveying pump station based on claim 1 is characterized in that when a line A main pump of an intermediate pump station breaks down and the ore slurry in the line A agitator tank is poured to a line B for conveying, an inlet valve (2) of the line A main pump is closed, a line A valve I (3), an intercommunicated valve (7) and a line B valve II (9) are opened, a line B valve I (5) is in a closed state, and a line A feeding pump (1) is started.
6. A control method of a double-line intercommunicated agitator tank of a pipeline conveying pump station based on claim 1 is characterized in that when the B-line agitator tank needs to be checked and replaced or other overhaul needs to be carried out to drain the B-line agitator tank, and ore pulp in the B-line agitator tank is poured to the A-line for storage, a B-line main pump inlet valve (6) is closed, a B-line valve I (5), an intercommunicated valve (7) and a A-line valve II (8) are opened, the A-line valve I (3) is in a closed state, and a B-line feeding pump (4) is started.
7. A control method of a double-line intercommunicated agitator tank of a pipeline conveying pump station based on claim 1 is characterized in that when the impeller of the A-line agitator tank needs to be checked and replaced or other overhaul needs to be carried out to drain the A-line agitator tank, and the ore pulp in the A-line agitator tank is poured to the B-line for storage, the A-line main pump inlet valve (2) is closed, the A-line valve I (3), the intercommunicated valve (7) and the B-line valve II (9) are opened, the B-line valve I (5) is in a closed state, and the A-line feeding pump (1) is started.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911110805.0A CN110848573B (en) | 2019-11-14 | 2019-11-14 | Double-line intercommunicated stirring tank of pipeline conveying pump station and control method thereof |
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| CN201911110805.0A CN110848573B (en) | 2019-11-14 | 2019-11-14 | Double-line intercommunicated stirring tank of pipeline conveying pump station and control method thereof |
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| CN110848573B true CN110848573B (en) | 2021-06-18 |
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| CN113063096B (en) * | 2021-02-05 | 2022-09-09 | 永发（河南）模塑科技发展有限公司 | Individualized thick liquids that satisfy arbitrary switching pipeline supply thick liquid system |
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| WO2010115338A1 (en) * | 2009-04-09 | 2010-10-14 | 云南大红山管道有限公司 | Zero-disturbance switching method for pipeline transportation standby pump |
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