CN102921657A - Online main pump flushing device and method for middle booster pump station - Google Patents
Online main pump flushing device and method for middle booster pump station Download PDFInfo
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- CN102921657A CN102921657A CN2012103863136A CN201210386313A CN102921657A CN 102921657 A CN102921657 A CN 102921657A CN 2012103863136 A CN2012103863136 A CN 2012103863136A CN 201210386313 A CN201210386313 A CN 201210386313A CN 102921657 A CN102921657 A CN 102921657A
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Abstract
The invention relates to an online main pump flushing device and method for a middle booster pump station. The online main pump flushing device comprises an upper pump station (7), a main pump (1) of a middle pump station, and a lower pump station (8), wherein the upper pump station (7) and the main pump (1) of the middle pump station as well as the main pump (1) of the middle pump station and the lower pump station (8) are respectively connected with each other in series through main ore pulp pipelines (2) at two ends; a bypass ore pulp pipeline (3) is connected in parallel between an inlet and an outlet of the main pump (1) of the middle pump station; the bypass ore pulp pipeline (3) directly conveys ore pulp conveyed by the upper pump station (7) to the lower pump station (8) when the main pump (1) of the middle pump station shuts down; and the main pump (1) of the middle pump station is connected with a water circulation pump (5) in a process pool (4) through a flushing water pipe (6).
Description
Technical field
Booster station main pump on-line rinsing ore pulp does not land and directly enters flusher and the purging method that trunk line is transported to subordinate's pumping plant in the middle of the present invention relates in a kind of long-distance iron ore concentrate pipeline course of conveying.
Background technology
Along with the development of Kunming steel enterprise company, beginning Dahongshan mining industry Co., Ltd in 2009 begins to expand and can build three and select factory, and beneficiation flowsheet has carried out improving has increased many corollary equipments, and concentrate output is significantly risen.For satisfying the conveying requirement of expanding 3,500,000 ton/years in the rear pipeline of energy, the Dahongshan pipeline increases the engineering of four, No. five pumping plants newly and also implements thereupon.
In multi stage pumping station connecting leg course of conveying; when pipeline run does not reach 3,500,000 ton/years, the energy consumption problem of carrying in order to reduce pipeline, middle booster station will be with slurry to shut down; consider the normal standby of pipe safety operation, equipment, must shut down main pump to the band slurry and wash.Because newly-increased four, No. five pumping plants do not have flowsheet of slurry agitation groove and feeding pump system, if rush the pumping method operation with traditional shutdown, cause ore pulp to remain in the trench of factory building, there are many defectives in the cleaning of long-pending ore deposit: pollute the environment when one, on-the-spot airing is carried out in the long-pending ore deposit of cleaning; Two, breeze entrucking long-distance transport financial cost is high.
Summary of the invention
The present invention has designed a kind of middle booster station main pump on-line rinsing device and purging method; the technical problem of its solution is that existing middle booster station is shut down when washing; ore pulp will leave conveyance conduit, and the long-pending ore deposit of existence cleaning pollutes the environment when carrying out on-the-spot airing and increases cost of transportation.
In order to solve the technical problem of above-mentioned existence, the present invention has adopted following scheme:
Booster station main pump on-line rinsing device comprises higher level's pumping plant (7), intermediate pump station main pump (1) and subordinate's pumping plant (8) in the middle of a kind of; Be connected in series by two ends master's ore slurry pipelines (2) respectively between higher level's pumping plant (7) and the intermediate pump station main pump (1) and between intermediate pump station main pump (1) and the subordinate's pumping plant (8); bypass ore slurry pipeline in parallel (3) between described intermediate pump station main pump (1) entrance and exit; the ore pulp that described bypass ore slurry pipeline (3) is carried higher level's pumping plant (7) when intermediate pump station main pump (1) is shut down is directly delivered to subordinate's pumping plant (8), and described intermediate pump station main pump (1) also links to each other with ring water pump (5) in the process water pond (4) by wash tub pipe (6).
Further, the main ore slurry pipeline (2) of the main ore slurry pipeline (2) of intermediate pump station main pump (1) entrance and outlet is respectively equipped with main pump inlet valve (V5) and main pump outlet valve (V4), one end of wash tub pipe (6) is connected on the main ore slurry pipeline (2) between main pump inlet valve (V5) and the intermediate pump station main pump (1), is provided with flushing valve (V3) at wash tub pipe (6); One end of bypass ore slurry pipeline (3) is connected between main pump inlet valve (V5) and the higher level's pumping plant (7) on the main ore slurry pipeline (2), the other end of bypass ore slurry pipeline (3) is connected on the main ore slurry pipeline (2) between main pump outlet valve (V4) and the subordinate's pumping plant (8), is provided with bypath valve at bypass ore slurry pipeline (3).
Further, described bypath valve forms by 2: bypass the first valve (V1) and bypass the second valve (V2), bypass the first valve (V1) is positioned at the porch of bypass ore slurry pipeline (3), and bypass the second valve (V2) is positioned at the exit of bypass ore slurry pipeline (3).
The purging method that booster station main pump on-line rinsing device uses in the middle of a kind of is characterized in that:
Step 01: reduce higher level's pumping plant (7), intermediate pump station main pump (1) and subordinate's pumping plant (8) pump speed, the pump speed of higher level's pumping plant (7) and subordinate's pumping plant (8) is dropped to respectively fully loaded 45%～50%;
Step 02: after intermediate pump station main pump (1) is shut down, open bypath valve on the bypass ore slurry pipeline (3) and the flushing valve (V3) on the wash tub pipe (6), close main pump inlet valve (V5);
Step 03: the ring water pump (5) and the intermediate pump station main pump (1) that start in the process water pond (4) carry out the flushing of main pump;
Step 04: clean complete after, close intermediate pump station main pump (1) and ring water pump (5), simultaneously also closing flushing valve door (V3) and main pump outlet valve (V4).
Further, the intermediate pump station main pump (1) in the step 03 washes with fully loaded 20% pump speed.
Further, the washing time in the step 03 is 10-15 minute.
This centre booster station main pump on-line rinsing device and purging method have following beneficial effect:
(1) the present invention is delivered directly to subordinate's pumping plant by realizing under bypass ore slurry pipeline and the wash tub pipe effect that main pump on-line rinsing ore pulp can not land in the main pump flushing process.
(2) the middle booster station main pump on-line rinsing device of the present invention and purging method are because so that ore pulp does not leave main ore slurry pipeline all the time, long-pending ore deposit need not airing, thereby does not pollute the environment, and also can not increase cost of transportation.
Description of drawings
Fig. 1 is the structural representation of booster station main pump on-line rinsing device in the middle of the present invention.
Description of reference numerals:
1-intermediate pump station main pump; 2-main ore slurry pipeline; 3-bypass ore slurry pipeline; 4-process water pond; 5-ring water pump; 6-wash tub pipe; 7-higher level pumping plant; 8-subordinate pumping plant; V1-bypass the first valve; V2-bypass the second valve; V3-flushing valve; V4-main pump outlet valve; V5-main pump inlet valve.
The specific embodiment
Below in conjunction with Fig. 1, the present invention will be further described:
As shown in Figure 1, a kind of middle booster station main pump on-line rinsing device comprises higher level's pumping plant 7, intermediate pump station main pump 1 and subordinate's pumping plant 8; Be connected in series by two ends master's ore slurry pipeline 2 respectively between higher level's pumping plant 7 and the intermediate pump station main pump 1 and between intermediate pump station main pump 1 and the subordinate's pumping plant 8; bypass ore slurry pipeline 3 in parallel between intermediate pump station main pump 1 entrance and exit; bypass ore slurry pipeline 3 is directly delivered to subordinate's pumping plant 8 with the ore pulp that higher level's pumping plant 7 is carried when intermediate pump station main pump 1 is shut down, intermediate pump station main pump 1 also links to each other with ring water pump 5 in the process water pond 4 by wash tub pipe 6.The main ore slurry pipeline 2 of intermediate pump station main pump 1 entrance and the main ore slurry pipeline 2 of outlet are respectively equipped with main pump inlet valve V5 and main pump outlet valve V4, one end of wash tub pipe 6 is connected on the main ore slurry pipeline 2 between main pump inlet valve V5 and the intermediate pump station main pump 1, is provided with flushing valve V3 at wash tub pipe 6; One end of bypass ore slurry pipeline 3 is connected between main pump inlet valve V5 and the higher level's pumping plant 7 on the main ore slurry pipeline 2, the other end of bypass ore slurry pipeline 3 is connected on the main ore slurry pipeline 2 between main pump outlet valve V4 and the subordinate's pumping plant 8, is provided with bypath valve at bypass ore slurry pipeline 3.If when bypass ore slurry pipeline 3 was longer, bypath valve can be 2: bypass the first valve V1 and bypass the second valve V2, bypass the first valve V1 is positioned at the porch of bypass ore slurry pipeline 3, and bypass the second valve V2 is positioned at the exit of bypass ore slurry pipeline 3.
The flushing principle of this centre booster station main pump on-line rinsing device is as follows:
At first, reduce higher level's pumping plant 7, intermediate pump station main pump 1 and subordinate's pumping plant 8 pump speeds, the pump speed of higher level's pumping plant 7 and subordinate's pumping plant 8 is dropped to respectively fully loaded 45%～50%.
The second, after intermediate pump station main pump 1 is shut down, open bypath valve on the bypass ore slurry pipeline 3 and the flushing valve V3 on the wash tub pipe 6, close main pump inlet valve V5.The ore pulp that higher level's pumping plant 7 transports no longer enters in the intermediate pump station main pump 1, but directly flows to subordinate's pumping plant 8 by ore slurry pipeline 3.
Three, the ring water pump 5 and the intermediate pump station main pump 1 that start in the process water pond 4 carry out the flushing of main pump; Ring water pump 5 is squeezed into the clear water in the process water pond 4 in the intermediate pump station main pump 1, and intermediate pump station main pump 1 self utilizes clear water that pump is washed, and ore pulp water flows to subordinate's pumping plant 8 by the main ore slurry pipeline 2 of intermediate pump station main pump 1 outlet after the flushing.
Step 04: clean complete after, close intermediate pump station main pump 1 and ring water pump 5, simultaneously also closing flushing valve door V3 and main pump outlet valve V4.At this moment, intermediate pump station main pump 1 has been rinsed totally, waits for that pipeline run reuses when increasing.
The above has carried out exemplary description to the present invention by reference to the accompanying drawings; obvious realization of the present invention is not subjected to the restriction of aforesaid way; as long as the various improvement of having adopted method design of the present invention and technical scheme to carry out; or without improving design of the present invention and technical scheme are directly applied to other occasion, all in protection scope of the present invention.
Claims (6)
1. a middle booster station main pump on-line rinsing device comprises higher level's pumping plant (7), intermediate pump station main pump (1) and subordinate's pumping plant (8); Be connected in series by two ends master's ore slurry pipelines (2) respectively between higher level's pumping plant (7) and the intermediate pump station main pump (1) and between intermediate pump station main pump (1) and the subordinate's pumping plant (8); it is characterized in that: bypass ore slurry pipeline in parallel (3) between described intermediate pump station main pump (1) entrance and exit; the ore pulp that described bypass ore slurry pipeline (3) is carried higher level's pumping plant (7) when intermediate pump station main pump (1) is shut down is directly delivered to subordinate's pumping plant (8), and described intermediate pump station main pump (1) also links to each other with ring water pump (5) in the process water pond (4) by wash tub pipe (6).
2. booster station main pump on-line rinsing device in the middle of described according to claim 1, it is characterized in that: the main ore slurry pipeline (2) of the main ore slurry pipeline (2) of intermediate pump station main pump (1) entrance and outlet is respectively equipped with main pump inlet valve (V5) and main pump outlet valve (V4), one end of wash tub pipe (6) is connected on the main ore slurry pipeline (2) between main pump inlet valve (V5) and the intermediate pump station main pump (1), is provided with flushing valve (V3) at wash tub pipe (6); One end of bypass ore slurry pipeline (3) is connected between main pump inlet valve (V5) and the higher level's pumping plant (7) on the main ore slurry pipeline (2), the other end of bypass ore slurry pipeline (3) is connected on the main ore slurry pipeline (2) between main pump outlet valve (V4) and the subordinate's pumping plant (8), is provided with bypath valve at bypass ore slurry pipeline (3).
3. booster station main pump on-line rinsing device in the middle of described according to claim 1 and 2, it is characterized in that: described bypath valve forms by 2: bypass the first valve (V1) and bypass the second valve (V2), bypass the first valve (V1) is positioned at the porch of bypass ore slurry pipeline (3), and bypass the second valve (V2) is positioned at the exit of bypass ore slurry pipeline (3).
A claim 2 or 3 described in the middle of the purging method used of booster station main pump on-line rinsing devices, it is characterized in that:
Step 01: reduce higher level's pumping plant (7), intermediate pump station main pump (1) and subordinate's pumping plant (8) pump speed, the pump speed of higher level's pumping plant (7) and subordinate's pumping plant (8) is dropped to respectively fully loaded 45%～50%;
Step 02: after intermediate pump station main pump (1) is shut down, open bypath valve on the bypass ore slurry pipeline (3) and the flushing valve (V3) on the wash tub pipe (6), close main pump inlet valve (V5);
Step 03: the ring water pump (5) and the intermediate pump station main pump (1) that start in the process water pond (4) carry out the flushing of main pump;
Step 04: clean complete after, close intermediate pump station main pump (1) and ring water pump (5), simultaneously also closing flushing valve door (V3) and main pump outlet valve (V4).
5. purging method according to claim 4 is characterized in that: the intermediate pump station main pump (1) in the step 03 washes with fully loaded 20% pump speed.
6. according to claim 4 or 5 described purging methods, it is characterized in that: the washing time in the step 03 is 10-15 minute.
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| CN201210386313.6A CN102921657B (en) | 2012-10-12 | 2012-10-12 | Online main pump flushing device and method for middle booster pump station |
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| CN201210386313.6A CN102921657B (en) | 2012-10-12 | 2012-10-12 | Online main pump flushing device and method for middle booster pump station |
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| CN102921657B CN102921657B (en) | 2015-04-01 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104315343A (en) * | 2014-10-13 | 2015-01-28 | 云南大红山管道有限公司 | Slurry pipeline conveying system for controlling accelerated flow and accelerated flow control method |
| CN104941940A (en) * | 2015-05-25 | 2015-09-30 | 浙江明泉工业涂装有限公司 | Degreasing fluid guide groove mechanism |
| CN106968122A (en) * | 2017-04-19 | 2017-07-21 | 潜江市乐水林纸科技开发股份有限公司 | A kind of pressafiner by-pass collar |
| CN108515058A (en) * | 2018-04-17 | 2018-09-11 | 攀钢集团矿业有限公司 | A kind of method long-distance transmission pipeline parking and started |
| CN110657350A (en) * | 2019-08-21 | 2020-01-07 | 云南大红山管道有限公司 | Protection device and method for low-pressure system equipment for ore pulp pipeline transportation |
| CN113195892A (en) * | 2018-12-16 | 2021-07-30 | 固瑞克明尼苏达有限公司 | Pipe-cleaning proportioning device and pump |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104315343A (en) * | 2014-10-13 | 2015-01-28 | 云南大红山管道有限公司 | Slurry pipeline conveying system for controlling accelerated flow and accelerated flow control method |
| CN104941940A (en) * | 2015-05-25 | 2015-09-30 | 浙江明泉工业涂装有限公司 | Degreasing fluid guide groove mechanism |
| CN106968122A (en) * | 2017-04-19 | 2017-07-21 | 潜江市乐水林纸科技开发股份有限公司 | A kind of pressafiner by-pass collar |
| CN108515058A (en) * | 2018-04-17 | 2018-09-11 | 攀钢集团矿业有限公司 | A kind of method long-distance transmission pipeline parking and started |
| CN113195892A (en) * | 2018-12-16 | 2021-07-30 | 固瑞克明尼苏达有限公司 | Pipe-cleaning proportioning device and pump |
| CN110657350A (en) * | 2019-08-21 | 2020-01-07 | 云南大红山管道有限公司 | Protection device and method for low-pressure system equipment for ore pulp pipeline transportation |
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| CN102921657B (en) | 2015-04-01 |
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