CN104089185A - Multi-grade iron ore concentrate ore pulp conveying device and working method thereof - Google Patents
Multi-grade iron ore concentrate ore pulp conveying device and working method thereof Download PDFInfo
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Abstract
The invention relates to a multi-grade iron ore concentrate ore pulp conveying device and a working method thereof. The multi-grade iron ore concentrate ore pulp conveying device comprises a first pulp conveying pipeline A and a second pulp conveying pipeline B, each pulp conveying pipeline comprises a pulp pipeline body, a main pump inlet pipeline body and a stirring trough, the main pump inlet pipeline body and the stirring trough in each pulp conveying pipeline are arranged abreast at one end of the corresponding pulp pipeline body, and the pulp pipeline bodies and the stirring troughs are connected through pipelines. The multi-grade iron ore concentrate ore pulp conveying device is characterized in that a third pipeline (13) is arranged between the pulp pipeline body (1) of the first pulp conveying pipeline A and the stirring trough (10) of the second pulp pipeline B (6), and a fourth pipeline (16) is arranged between the pulp pipeline body (6) of the second pulp conveying pipeline B and the stirring trough (5) of the first pulp conveying pipeline A. The multi-grade iron ore concentrate ore pulp conveying device and the working method thereof solve the problems that in the prior art, the conveying mode is single, storage space is small, overhaul buffering time is not available, and operation cost is high.
Description
Technical field
The invention belongs to the preparation of iron ore concentrate ore pulp, conveying technology field, be specifically related to a kind of many grades iron ore concentrate pulp conveying device and method of work thereof.
Background technique
Long-distance slurry pipeline is carried and required slurry concentration to be 62%～68% and to relate to multi stage pumping station pressurization, my company has now had two pipelines the ore pulp of two grades has been carried, and has connecting leg to carry and (the connecting leg conveying: utilize the pressure subordinate pumping plant that higher level's pumping plant provides to proceed pressurization in an ore slurry pipeline of two kinds of patterns of independent conveying; Independent conveying: the ore pulp that higher level's pumping plant transports enters stirring chest and stores, by feeding pump supplies with main pump add be pressed in conveying backward).
In former design, A line outer diameter tube is concentrate to appointed place that 244.5mm is used for carrying 57 grades, B line outer diameter tube is that 273mm is used for carrying the concentrate of 61 grades to another one appointed place, A, two pipelines of B work alone separately, mutual noninterference, a kind of concentrate of grade can only be sent to a destination. push away slurry (in the time that iron ore concentrate pulp conveying is complete when carrying out water in the situation of ore deposit amount undersupply, must carry water, water pushing away iron ore concentrate in pipeline, carry be called water and push away slurry), but such mode of movement is single, the cost of conveying is also higher; In the time that a certain pipeline conveying equipment breaks down, stirring chest does not have enough storage areas, can not race against time for maintenance, only has to be with completely to starch to shut down and overhauls, and has increased like this risk that pipeline is carried.
Summary of the invention
In order to solve the technical problem of above-mentioned existence, the present invention has designed a kind of many grades iron ore concentrate pulp conveying device and method of work thereof.
In order to solve the technical problem of above-mentioned existence, the present invention has adopted following scheme:
A kind of many grades iron ore concentrate pulp conveying device, comprise the first slurry delivery pipe line A and the second slurry delivery pipe line B, the first slurry delivery pipe line A comprises A line slurry pipeline (1), A line main pump inlet pipeline (3) and A line stirring chest (5), A line main pump inlet pipeline (3) and A line stirring chest (5) are set up in parallel in A line slurry pipeline (1) one end, between A line slurry pipeline (1) and A line stirring chest (5), be provided with the first pipeline (17), on A line main pump inlet pipeline (3), be provided with A line main pump inlet ball valve (2), on the first pipeline (17), be provided with the first valve (11), the second slurry delivery pipe line B comprises B line slurry pipeline (6), B line main pump inlet pipeline (8) and B line stirring chest (10), B line main pump inlet pipeline (8) and B line stirring chest (10) are set up in parallel in B line slurry pipeline (6) one end, between B line slurry pipeline (6) and B line stirring chest (10), be provided with second pipe (18), on B line main pump inlet pipeline (8), be provided with B line main pump inlet ball valve (7), on second pipe (18), be provided with the 3rd valve (14), it is characterized in that: between A line slurry pipeline (1) and B line stirring chest (10), be also provided with the 3rd pipeline (13), and be provided with the second valve (12) on the 3rd pipeline (13), between B line slurry pipeline (6) and A line stirring chest (5), be also provided with the 4th pipeline (16), and on the 4th pipeline (16), be provided with the 4th valve (15).
Further, be provided with A line enter groove main valve (4) in the joint of the first pipeline (17) and the 3rd pipeline (13), A line enters groove main valve (4) and A line main pump inlet ball valve (2) is arranged in parallel; Be provided with B line in the joint of second pipe (18) and the 4th pipeline (16) and enter groove main valve (9), B line enters groove main valve (9) and B line main pump inlet ball valve (7) is arranged in parallel.
Further, all outer diameter tube in the first slurry delivery pipe line A are 244.5mm; All outer diameter tube in the second slurry delivery pipe line B are 273mm.
Further, the 3rd pipeline (13) external diameter 244.5mm; The 4th pipeline (16) external diameter 273mm.
Further, the theoretical size of A line stirring chest (5) and B line stirring chest (10): diameter X height is: 12mX12m, the size of actual volume: diameter X height is: 12mX10.5m.
Further, it is all 8 inches of latus rectums that A line main pump inlet ball valve (2) and A line enter groove main valve (4), and pressure rating is the ball valve of 1000 pounds; The first valve (11) and the second valve (12) be two latus rectums be 8 inches enter groove switch gate valve, pressure rating is 150 pounds; It is all 10 inches of latus rectums that B line main pump inlet ball valve (7) and B line enter groove main valve (9), and pressure rating is the ball valve of 1000 pounds; The 3rd valve (14) and the 4th valve (15) be two latus rectums be 10 inches enter groove switch gate valve, pressure rating is 150 pounds.
Further, slurry delivery pipe line has many.
The method of work of above-mentioned many grades iron ore concentrate pulp conveying device, comprise two pipelines respectively unions carry or pattern, the stirring chest of storage ore pulp intersects prime pumping plant under the common concentrate pattern that stores a grade of storage and transport model, two stirring chests and independent transport model and carry two grade concentrate with a pipeline, intermediate pump station with two destinations of two alignments conveying stirring chest switching mode:
Article two, the pipeline pattern that ore pulp was carried or stored to connecting leg respectively: A line main pump inlet ball valve (2) is opened, A line enters groove main valve (4) and closes, ore pulp does not enter A line stirring chest (5), A line slurry pipeline (1) and A line main pump inlet pipeline (3) are communicated with, and now the first slurry delivery pipe line A becomes connecting leg transport model; A line main pump inlet ball valve (2) and the second valve (12) are closed, and A line enters groove main valve (4) and the first valve (11) is opened, and ore pulp enters A line stirring chest (5), and now the first slurry delivery pipe line A becomes the pattern of storage ore pulp; B line main pump inlet ball valve (7) is opened, and B line enters groove main valve (9) closes, and ore pulp does not enter B line stirring chest (10), and B line slurry pipeline (6) and B line main pump inlet pipeline (8) are communicated with, and now the second slurry delivery pipe line B becomes connecting leg transport model; B line main pump inlet ball valve (7) and the 4th valve (15) are closed, and A line enters groove main valve (9) and the 3rd valve (14) is opened, and ore pulp enters B line stirring chest (10), and now the second slurry delivery pipe line B becomes the pattern of storage ore pulp;
Stirring chest intersection stores and transport model: open A line and enter groove main valve (4) and the second valve (12), close A line main pump inlet ball valve (2) and the first valve (11) simultaneously, A line ore pulp enters B line stirring chest (10), facilitates A line ore pulp to carry to another one appointed place; Enter groove main valve (9) and the 4th valve (15) otherwise open B line, close B line main pump inlet ball valve (7) and the 3rd valve (14) simultaneously, B line ore pulp enters A line stirring chest (5), facilitates B line ore pulp to carry to another one appointed place; The ore pulp of so just having accomplished a grade can be to two different appointed places conveyings;
Two common concentrate patterns that store a grade of stirring chest: A line main pump inlet ball valve (2) is opened, A line enters groove main valve (4) and closes, ore pulp does not enter stirring chest (5), A line slurry pipeline (1) and A line main pump inlet pipeline (3) are communicated with, and now the first slurry delivery pipe line A becomes connecting leg transport model; B line enters groove main valve (9), the 4th valve (15) and the 3rd valve (14) to be opened, and B line main pump inlet ball valve (7) is closed, and B line ore pulp enters respectively two stirring chests; Vice versa; When the method is used for B line or A line rear class pumping plant or device fails, prime pumping plant need not be shut down, and, races against time for overhauling as buffering with two stirring chests;
Under independent transport model, prime pumping plant is carried two grade concentrate with a pipeline, intermediate pump station is carried stirring chest switching mode with ground, two destinations of two alignments: while using separately the second slurry delivery pipe line B, in the time that a kind of ore pulp slurry head arrives, open the 3rd valve (14), close the 4th valve (15), ore pulp enters B stirring chest (10); In the time that the concentrate of another grade arrives, open the 4th valve (15), close the 3rd valve (14), the concentrate of another grade enters A stirring chest (5), and such two grade ore pulps have just separately stored, and can carry to two destinations by compression pump; In like manner, while using separately the first slurry delivery pipe line A, open or close respectively respective valves.
This many grades of one iron ore concentrate pulp conveying device and method of work thereof have following beneficial effect:
(1) the invention solves the problems such as prior art mode of movement is single, storage area is little, nothing maintenance buffer time, operating cost height.
(2) the present invention has realized the diversification of pulp conveying pattern, utilize to greatest extent existing equipment to improve and carry effect, for burst accident provides multinomial processing prediction scheme, and available pipeline carry two grade ore pulps time reduce labor intensity, cost-saving.
(3) the present invention has safety, economic, steady, efficient feature.
Brief description of the drawings
Fig. 1: prior art ore slurry pipeline enters groove schematic diagram;
Fig. 2: the structural representation of many grades of the present invention iron ore concentrate pulp conveying device.
Description of reference numerals:
1-A line slurry pipeline; 2-A line main pump inlet ball valve; 3-A line main pump inlet pipeline; 4-A line enters groove main valve; 5-A line stirring chest; 6-B line slurry pipeline; 7-B line main pump inlet ball valve; 8-B line main pump inlet pipeline; 9-B line enters groove main valve; 10-B line stirring chest; The 11-the first valve; The 12-the second valve; The 13-the three pipeline; The 14-the three valve; The 15-the four valve; The 16-the four pipeline; The 17-the first pipeline; 18-second pipe;
A-the first slurry delivery pipe line; B-the second slurry delivery pipe line.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described:
Fig. 2 shows a kind of many grades iron ore concentrate pulp conveying device, comprises the first slurry delivery pipe line A and the second slurry delivery pipe line B.
The first slurry delivery pipe line A comprises A line slurry pipeline 1, A line main pump inlet pipeline 3 and A line stirring chest 5, A line main pump inlet pipeline 3 and A line stirring chest 5 are set up in parallel the one end at A line slurry pipeline 1, on A line main pump inlet pipeline 3, be provided with A line main pump inlet ball valve 2, between A line slurry pipeline 1 and A line stirring chest 5, be provided with and on the first pipeline 17, the first pipelines 17, be disposed with A line and enter groove main valve 4 and the first valve 11.The second slurry delivery pipe line B comprises B line slurry pipeline 6, B line main pump inlet pipeline 8 and B line stirring chest 10, B line main pump inlet pipeline 8 and B line stirring chest 10 are set up in parallel the one end at B line slurry pipeline 6, on B line main pump inlet pipeline 8, be provided with B line main pump inlet ball valve 7, between B line slurry pipeline 6 and B line stirring chest 10, be provided with second pipe 18, on second pipe 18, be disposed with B line and enter groove main valve 9 and the 3rd valve 14.
Enter between groove main valve 4 and B line stirring chest 10 to be also provided with on the 3rd pipeline 13, the three pipelines 13 and to be provided with the second valve 12 at A line; Enter between groove main valve 9 and A line stirring chest 5 to be provided with on the 4th pipeline 16, the four pipelines 16 and to be provided with the 4th valve 15 at B line.
In the present embodiment: all outer diameter tube in the first slurry delivery pipe line A are 244.5mm; All outer diameter tube in the second slurry delivery pipe line B are 273mm.The theoretical size diameter x height of A line stirring chest 5 and B line stirring chest 10 is: 12mx12m, the size diameter x height of actual volume is: 12mx10.5m.The 3rd pipeline 13 external diameter 244.5mm; The 4th pipeline 16 external diameter 273mm.It is all 8 inches of latus rectums that A line main pump inlet ball valve 2 and A line enter groove main valve 4, and pressure rating is the ball valve of 1000 pounds.The first valve 11 and the second valve 12 be two latus rectums be 8 inches enter groove switch gate valve, pressure rating is 150 pounds.Entering groove main valve 9 with B line main pump inlet ball valve 7 and B line is all 10 inches of latus rectums, and pressure rating is the ball valve of 1000 psi.The 3rd valve 14 and the 4th valve 15 be two latus rectums be 10 inches enter groove switch gate valve, pressure rating is 150 pounds.
The method of work of this many grades iron ore concentrate pulp conveying device:
Article (1) two, the pipeline pattern that ore pulp was carried or stored to connecting leg respectively: A line main pump inlet ball valve 2 is opened, A line enters groove main valve 4 and closes, ore pulp does not enter A line stirring chest 5, and A line slurry pipeline 1 and A line main pump inlet pipeline 3 are communicated with, and now the first slurry delivery pipe line A becomes connecting leg transport model; A line main pump inlet ball valve 2 and the second valve 12 are closed, and A line enters groove main valve 4 and the first valve 11 is opened, and ore pulp enters A line stirring chest 5, and now the first slurry delivery pipe line A becomes the pattern of storage ore pulp; B line main pump inlet ball valve 7 is opened, and B line enters groove main valve 9 closes, and ore pulp does not enter B line stirring chest 10, and B line slurry pipeline 6 and B line main pump inlet pipeline 8 are communicated with, and now the second slurry delivery pipe line B becomes connecting leg transport model; B line main pump inlet ball valve 7 and the 4th valve 15 are closed, and A line enters groove main valve 9 and the 3rd valve 14 is opened, and ore pulp enters B line stirring chest 10, and now the second slurry delivery pipe line B becomes the pattern of storage ore pulp;
(2) stirring chest intersection stores and transport model: open A line and enter groove main valve 4 and the second valve 12, close A line main pump inlet ball valve 2 and the first valve 11 simultaneously, A line ore pulp enters B line stirring chest 10, facilitates A line ore pulp to carry to another one appointed place; Enter groove main valve 9 and the 4th valve 15 otherwise open B line, close B line main pump inlet ball valve 7 and the 3rd valve 14 simultaneously, B line ore pulp enters A line stirring chest 5, facilitates B line ore pulp to carry to another one appointed place; The ore pulp of so just having accomplished a grade can be to two different appointed places conveyings;
(3) two common concentrate patterns that store a grade of stirring chest: A line main pump inlet ball valve 2 is opened, A line enters groove main valve 4 and closes, ore pulp does not enter stirring chest 5, and A line slurry pipeline 1 and A line main pump inlet pipeline 3 are communicated with, and now the first slurry delivery pipe line A becomes connecting leg transport model; B line enters groove main valve 9, the 4th valve 15 and the 3rd valve 14 to be opened, and B line main pump inlet ball valve 7 is closed, and B line ore pulp enters respectively two stirring chests; Vice versa; When the method is used for B line or A line rear class pumping plant or device fails, prime pumping plant need not be shut down, and, races against time for overhauling as buffering with two stirring chests;
(4) under independent transport model, prime pumping plant is carried two grade concentrate with a pipeline, intermediate pump station is carried stirring chest switching mode with ground, two destinations of two alignments: while using separately the second slurry delivery pipe line B, in the time that a kind of ore pulp slurry head arrives, open the 3rd valve 14, close the 4th valve 15, ore pulp enters B stirring chest 10; In the time that the concentrate of another grade arrives, open the 4th valve 15, close the 3rd valve 14, the concentrate of another grade enters A stirring chest 5, and such two grade ore pulps have just separately stored, and can carry to two destinations by compression pump; In like manner, while using separately the first slurry delivery pipe line A, open or close respectively respective valves.
The preparation of many grades iron ore concentrate ore pulp, feedway and method have safety, economic, steady, efficient feature.
The switching that the present invention enters ore deposit mode by A line stirring chest 5 and B line stirring chest 10, can by A the concentrate of two different grades of B line be passed to two different appointed places by the switching of stirring chest.
The present invention is in the situation that two pipelines move simultaneously; when A line conveying equipment breaks down; when A line stirring chest 5 does not have storage area; B line can the company's of employing molding formula transfer ore pulp; B line stirring chest 10 just can be used for storing the ore pulp of A line, and prime pumping plant just need not be shut down like this, and rear class pumping plant has the more repair time; after equipment is normal, the ore deposit in B line stirring chest can be flowed to A line main pump by feeding pump, otherwise operate in the time of the equipment failure of B line.
The present invention uses independent transport model when not being very large when the ore deposit amount of two grades, prime pumping plant can adopt a line high flow capacity to carry the ore pulp of 57 and 61 grades simultaneously, slurry head separates and ensures that ore pulp is not mixed mutually with the water of 10 minutes with slurry tail, in the time that coming intermediate pump station stirring chest, slurry head just can switch by stirring chest valve, two stirring chest A line stirring chests 5 and B line stirring chest 10 store respectively the ore pulp of two different grades, and intermediate pump station leaves two pumping lines and realizes to two places and carrying.
By reference to the accompanying drawings the present invention is carried out to exemplary description above; obvious realization of the present invention is not subject to the restrictions described above; as long as the various improvement that adopted method design of the present invention and technological scheme to carry out; or without improving, design of the present invention and technological scheme are directly applied to other occasion, all in protection scope of the present invention.
Claims (7)
1. the pulp conveying of grade iron ore concentrate more than kind device, comprise the first slurry delivery pipe line A and the second slurry delivery pipe line B, the first slurry delivery pipe line A comprises A line slurry pipeline (1), A line main pump inlet pipeline (3) and A line stirring chest (5), A line main pump inlet pipeline (3) and A line stirring chest (5) are set up in parallel in A line slurry pipeline (1) one end, between A line slurry pipeline (1) and A line stirring chest (5), be provided with the first pipeline (17), on A line main pump inlet pipeline (3), be provided with A line main pump inlet ball valve (2), on the first pipeline (17), be provided with the first valve (11), the second slurry delivery pipe line B comprises B line slurry pipeline (6), B line main pump inlet pipeline (8) and B line stirring chest (10), B line main pump inlet pipeline (8) and B line stirring chest (10) are set up in parallel in B line slurry pipeline (6) one end, between B line slurry pipeline (6) and B line stirring chest (10), be provided with second pipe (18), on B line main pump inlet pipeline (8), be provided with B line main pump inlet ball valve (7), on second pipe (18), be provided with the 3rd valve (14), it is characterized in that: between A line slurry pipeline (1) and B line stirring chest (10), be also provided with the 3rd pipeline (13), and be provided with the second valve (12) on the 3rd pipeline (13), between B line slurry pipeline (6) and A line stirring chest (5), be also provided with the 4th pipeline (16), and on the 4th pipeline (16), be provided with the 4th valve (15).
2. many grades iron ore concentrate pulp conveying device according to claim 1, it is characterized in that: be provided with A line in the joint of the first pipeline (17) and the 3rd pipeline (13) and enter groove main valve (4), A line enters groove main valve (4) and A line main pump inlet ball valve (2) is arranged in parallel; Be provided with B line in the joint of second pipe (18) and the 4th pipeline (16) and enter groove main valve (9), B line enters groove main valve (9) and B line main pump inlet ball valve (7) is arranged in parallel.
3. many grades iron ore concentrate pulp conveying device according to claim 1 and 2, is characterized in that: all outer diameter tube in the first slurry delivery pipe line A are 244.5mm; All outer diameter tube in the second slurry delivery pipe line B are 273mm.
4. many grades iron ore concentrate pulp conveying device according to claim 1 and 2, is characterized in that: the theoretical size of A line stirring chest (5) and B line stirring chest (10): diameter X height is: 12mX12m, the size of actual volume: diameter X height is: 12mX10.5m.
5. according to the arbitrary described many grades iron ore concentrate pulp conveying device of claim 2 to 4, it is characterized in that: it is all 8 inches of latus rectums that A line main pump inlet ball valve (2) and A line enter groove main valve (4), and pressure rating is the ball valve of 1000 pounds; The first valve (11) and the second valve (12) be two latus rectums be 8 inches enter groove switch gate valve, pressure rating is 150 pounds; It is all 10 inches of latus rectums that B line main pump inlet ball valve (7) and B line enter groove main valve (9), and pressure rating is the ball valve of 1000 pounds; The 3rd valve (14) and the 4th valve (15) be two latus rectums be 10 inches enter groove switch gate valve, pressure rating is 150 pounds.
6. according to the arbitrary described many grades iron ore concentrate pulp conveying device of claim 1 to 5, it is characterized in that: described slurry delivery pipe line has many.
7. the method for work of many grades iron ore concentrate pulp conveying device described in the claims, comprise two pipelines respectively unions carry or pattern, the stirring chest of storage ore pulp intersects prime pumping plant under the common concentrate pattern that stores a grade of storage and transport model, two stirring chests and independent transport model and carry two grade concentrate with a pipeline, intermediate pump station with two destinations of two alignments conveying stirring chest switching mode:
Article two, the pipeline pattern that ore pulp was carried or stored to connecting leg respectively: A line main pump inlet ball valve (2) is opened, A line enters groove main valve (4) and closes, ore pulp does not enter A line stirring chest (5), A line slurry pipeline (1) and A line main pump inlet pipeline (3) are communicated with, and now the first slurry delivery pipe line A becomes connecting leg transport model; A line main pump inlet ball valve (2) and the second valve (12) are closed, and A line enters groove main valve (4) and the first valve (11) is opened, and ore pulp enters A line stirring chest (5), and now the first slurry delivery pipe line A becomes the pattern of storage ore pulp; B line main pump inlet ball valve (7) is opened, and B line enters groove main valve (9) closes, and ore pulp does not enter B line stirring chest (10), and B line slurry pipeline (6) and B line main pump inlet pipeline (8) are communicated with, and now the second slurry delivery pipe line B becomes connecting leg transport model; B line main pump inlet ball valve (7) and the 4th valve (15) are closed, and A line enters groove main valve (9) and the 3rd valve (14) is opened, and ore pulp enters B line stirring chest (10), and now the second slurry delivery pipe line B becomes the pattern of storage ore pulp;
Stirring chest intersection stores and transport model: open A line and enter groove main valve (4) and the second valve (12), close A line main pump inlet ball valve (2) and the first valve (11) simultaneously, A line ore pulp enters B line stirring chest (10), facilitates A line ore pulp to carry to another one appointed place; Enter groove main valve (9) and the 4th valve (15) otherwise open B line, close B line main pump inlet ball valve (7) and the 3rd valve (14) simultaneously, B line ore pulp enters A line stirring chest (5), facilitates B line ore pulp to carry to another one appointed place; The ore pulp of so just having accomplished a grade can be to two different appointed places conveyings;
Two common concentrate patterns that store a grade of stirring chest: A line main pump inlet ball valve (2) is opened, A line enters groove main valve (4) and closes, ore pulp does not enter stirring chest (5), A line slurry pipeline (1) and A line main pump inlet pipeline (3) are communicated with, and now the first slurry delivery pipe line A becomes connecting leg transport model; B line enters groove main valve (9), the 4th valve (15) and the 3rd valve (14) to be opened, and B line main pump inlet ball valve (7) is closed, and B line ore pulp enters respectively two stirring chests; Vice versa; When the method is used for B line or A line rear class pumping plant or device fails, prime pumping plant need not be shut down, and, races against time for overhauling as buffering with two stirring chests;
Under independent transport model, prime pumping plant is carried two grade concentrate with a pipeline, intermediate pump station is carried stirring chest switching mode with ground, two destinations of two alignments: while using separately the second slurry delivery pipe line B, in the time that a kind of ore pulp slurry head arrives, open the 3rd valve (14), close the 4th valve (15), ore pulp enters B stirring chest (10); In the time that the concentrate of another grade arrives, open the 4th valve (15), close the 3rd valve (14), the concentrate of another grade enters A stirring chest (5), and such two grade ore pulps have just separately stored, and can carry to two destinations by compression pump; In like manner, while using separately the first slurry delivery pipe line A, open or close respectively respective valves.
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| CN104089185B (en) | 2017-01-25 |
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