CN109225691B - Ore pulp circulating pressurizing ore feeding system and ore feeding method thereof - Google Patents
Ore pulp circulating pressurizing ore feeding system and ore feeding method thereof Download PDFInfo
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- CN109225691B CN109225691B CN201811237759.6A CN201811237759A CN109225691B CN 109225691 B CN109225691 B CN 109225691B CN 201811237759 A CN201811237759 A CN 201811237759A CN 109225691 B CN109225691 B CN 109225691B
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000003756 stirring Methods 0.000 claims abstract description 55
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 22
- 239000011707 mineral Substances 0.000 claims abstract description 22
- 238000000926 separation method Methods 0.000 claims abstract description 5
- 239000002002 slurry Substances 0.000 claims description 79
- 238000004891 communication Methods 0.000 claims description 27
- 239000002893 slag Substances 0.000 claims description 15
- 239000012530 fluid Substances 0.000 claims description 11
- 238000002474 experimental method Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 239000013049 sediment Substances 0.000 claims 1
- 230000000903 blocking effect Effects 0.000 abstract description 5
- 230000008859 change Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000011362 coarse particle Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical class C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C11/00—Accessories, e.g. safety or control devices, not otherwise provided for, e.g. regulators, valves in inlet or overflow ducting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C5/00—Apparatus in which the axial direction of the vortex is reversed
- B04C5/02—Construction of inlets by which the vortex flow is generated, e.g. tangential admission, the fluid flow being forced to follow a downward path by spirally wound bulkheads, or with slightly downwardly-directed tangential admission
- B04C5/04—Tangential inlets
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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Abstract
The invention discloses a pulp circulating pressurizing feeding system and a feeding method thereof, wherein the feeding system comprises a stirring barrel and a pulp pump, and further comprises a circulating feeding device, the pulp pump is arranged at the top of the stirring barrel, one port of the pulp pump is communicated with the stirring barrel, the other port of the pulp pump is communicated with the circulating feeding device, the circulating feeding device comprises a feeding port connected with a mineral separation device to be tested, and a feeding valve is arranged at the feeding port. The ore feeding system has the advantages of no change of ore pulp concentration, no blocking risk, uniform given ore pulp and the like, and the ore feeding method has the advantages of simple steps, convenient operation, high-efficiency ore feeding by using the ore feeding system and the like.
Description
Technical Field
The invention relates to experimental equipment of a mineral separation device and a using method thereof, in particular to a mineral pulp circulating pressurization mineral feeding system and a mineral feeding method thereof.
Background
When laboratory tests mineral processing devices such as cyclones, ore pulp is required to be uniformly stirred and pressurized, and then the ore pulp can be introduced into the mineral processing devices so as to collect all performance data of the mineral processing devices in the experimental process, therefore, the performance of a mineral feeding system for providing ore pulp for the mineral processing devices is directly influenced to the experimental effect.
The existing ore feeding system is mainly divided into two types, wherein one end of a slurry pump is directly connected with the bottom of a slurry tank, and the other end of the slurry pump is connected with an ore dressing device and is controlled to be communicated or not through a valve. When the ore pulp mixing device works, the slurry pump is utilized to enable the ore pulp to form circulation in the ore pulp groove, and after the ore pulp is mixed, the slurry pump feeds the ore pulp into the ore selecting device. The system has the advantages of simple structure, and stirring is directly realized through ore pulp circulation; the defects are three points, namely, the time required for circulating the ore pulp is long, and the slag pulp pump has obvious 'grinding' effect on particles in the ore pulp, so that the particles in the ore pulp are thinner and thinner along with the test, and the accuracy of experimental data is affected; secondly, the ore pulp is mixed unevenly under the condition, and coarse particles are extracted before fine particles; and thirdly, coarse particles in the ore pulp are easy to deposit in a slurry pump positioned at the bottom during shutdown, so that blockage is formed.
The second type comprises a stirring barrel, the bottom of the stirring barrel is connected with a slurry pump, and the rest is the same as the first type. Compared with the first type, the system has the advantages that the uneven ore pulp phenomenon and the grinding effect in the ore pulp are obviously improved, but coarse ore pulp particles are easy to deposit in the slag pulp pump and a pipeline connecting the slag pulp pump and the stirring tank when the system is stopped, the blocking point is not changed, and particularly, the coarse ore particles are thrown into the slag pulp pump and the pipeline connecting the slag pulp pump and the stirring tank in the stirring process, so that the blocking is easier to be caused.
In addition, in the experimental process, ore feeding needs to be stopped when experimental equipment parameters are changed, and the two ore feeding systems all need to be stopped to realize ore feeding stopping, when the stop time is long, ore pulp can be deposited, the blocking risk is high, and a large amount of time and energy are spent for stirring the ore pulp when the experimental equipment parameters are restarted, so that the experimental process is slow.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides an ore pulp circulating pressurizing ore feeding system which does not change the concentration of ore pulp, has no blocking risk and gives uniform ore pulp, and an ore feeding method which has simple steps, is convenient to operate and can efficiently use the ore feeding system for ore feeding.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
the utility model provides a ore pulp circulation pressurization feeding system, includes agitator and slurry pump, still includes circulation feeding device, the slurry pump is installed in the top of agitator, one port and the agitator intercommunication of slurry pump, another port and circulation feeding device intercommunication, circulation feeding device includes one and treats the ore deposit mouth that experimental ore dressing device links to each other, ore deposit mouth department is equipped with the feeding valve.
As a further improvement of the ore pulp circulating pressurizing ore feeding system:
the circulating ore feeding device further comprises a first communication port and a first ore pulp return port, the circulating ore feeding device is communicated with the slag pulp pump through the first communication port, the first ore pulp return port is communicated with the stirring barrel, and the first ore pulp return port is provided with a pulp return valve.
The circulating ore feeding device further comprises a diversion pipeline and an ore pulp collecting tank, wherein the diversion pipeline is provided with a second communication port, an ore feeding port connected with the ore dressing device to be tested and a first communication port communicated with the slurry pump; the ore pulp collecting tank is a funnel-shaped tank body, a first ore pulp return port communicated with the stirring barrel is arranged at the bottom of the ore pulp collecting tank, a second ore pulp return port communicated with the stirring barrel is arranged at a position higher than the first ore pulp return port, the second communication port is positioned above an opening of the ore pulp collecting tank so as to leak ore pulp into the ore pulp collecting tank, and a circulating valve is arranged at the second communication port.
The ore pulp collecting tank is provided with a pump submerged port between the first ore pulp return port and the second ore pulp return port, the pump submerged port is communicated to a pipe section on the diversion pipeline between the second communication port and the first communication port, and a pump submerged valve is arranged at the pump submerged port.
And a pressure gauge is also arranged at the ore feeding port.
The slurry pump is a pipeline slurry pump, and the inlet of the slurry pump pumps the slurry in the stirring barrel through a pipeline extending to the lower part of the stirring barrel.
An ore feeding method of an ore pulp circulating pressurizing ore feeding system, comprising the following steps:
s1: preparation before operation: closing a feeding valve, a pulp return valve, a circulating valve and a pump submerged valve, opening a stirring barrel, and placing part of pulp or clear water in a pulp collecting tank to enable the liquid level of fluid in the pulp collecting tank to be close to a second pulp return port;
s2: extracting ore pulp to form circulation: after the ore pulp in the stirring barrel is uniformly stirred, a pump submerged valve and a circulating valve are opened, fluid in an ore pulp collecting tank flows to a slag pulp pump through a pump submerged port, the slag pulp pump pumps the ore pulp, then the pump submerged valve is closed, and an ore pulp returning valve is opened, so that the ore pulp circulates among the stirring barrel, the slag pulp pump and a circulating ore feeding device;
s3: ore feeding: when the circulation in the step S2 is stable, closing a circulation valve, opening a mineral feeding valve, and feeding mineral to a mineral separation device to be tested;
s4: ending the experiment: closing the ore feeding valve, closing the ore pulp returning valve, opening the circulating valve, and closing the slurry pump when ore pulp is deposited in the ore pulp collecting tank and enters the stirring barrel from the second ore pulp return port.
As a further improvement of the above-described ore feeding method:
and in the operation process, after the experimental data are modified by stopping feeding, feeding is continued, and the method further comprises the following steps:
s3.1: suspending ore feeding: closing a feeding valve, closing a pulp return valve, opening a circulation valve, and closing a pulp pump when the pulp is deposited in the pulp collecting tank and enters the stirring barrel from the second pulp return port;
s3.2: continuing ore feeding: repeating the steps S2 to S3.
Compared with the prior art, the invention has the advantages that:
according to the ore pulp circulating pressurizing ore feeding system, the slurry pump is arranged at the top of the stirring barrel, when an experiment is stopped or stopped, an operator controls the slurry pump to stop running, ore pulp automatically falls back into the stirring barrel under the action of gravity, so that the slurry pump cannot be blocked even if the operation is stopped; in addition, the ore feeding system of the invention also comprises a circulating ore feeding device connected with the slurry pump, the circulating ore feeding device comprises an ore feeding port connected with the ore dressing device to be tested, the ore feeding port is provided with an ore feeding valve, and an operator can easily control the magnitude of ore feeding pressure by controlling the opening state of the ore feeding valve.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the front view of a slurry circulation pressurized feeding system of the present invention;
FIG. 2 is a schematic diagram of the right side view of the slurry circulation pressurized feeding system of the present invention;
FIG. 3 is a schematic diagram of the installation of a mixing drum and slurry pump in the slurry circulation pressurized feeding system of the present invention;
fig. 4 is a schematic diagram of the structure of the slurry collecting tank in the slurry circulation pressurizing feeding system of the present invention.
Legend description: 1. a stirring barrel; 2. a slurry pump; 3. a circulating ore feeding device; 31. a diversion pipeline; 311. a mineral feed port; 312. a first communication port; 313. a second communication port; 32. a pulp collection tank; 321. a first pulp return; 322. a second pulp return; 323. a pump submerged port; 4. the ore dressing device to be tested; 5. a pressure gauge.
Detailed Description
The invention will be described more fully hereinafter with reference to the accompanying drawings and preferred embodiments in order to facilitate an understanding of the invention, but the scope of the invention is not limited to the following specific embodiments.
Examples:
as shown in fig. 1 to 3, the ore pulp circulation pressurizing feeding system of this embodiment comprises a stirring barrel 1, a slurry pump 2 and a circulation feeding device 3, wherein the slurry pump 2 is arranged at the top of the stirring barrel 1, one port of the slurry pump 2 is communicated with the stirring barrel 1, the other port is communicated with the circulation feeding device 3, when the experiment is suspended or stopped, an operator controls the slurry pump 2 to stop running, ore pulp automatically falls back into the stirring barrel 1 due to the action of gravity, so that even if the operation is stopped, the slurry pump 2 can not be blocked. In addition, the circulating ore feeding device 3 comprises an ore feeding port 311 connected with the ore dressing device 4 to be tested, an ore feeding valve is arranged at the ore feeding port 311, and an operator can easily control the magnitude of ore feeding pressure by controlling the opening state of the ore feeding valve. The slurry pump 2 is a pipeline slurry pump, and the inlet of the slurry pump 2 pumps the slurry in the stirring barrel 1 through a pipeline extending to the lower part of the stirring barrel 1.
In this embodiment, the circulating ore feeding device 3 further includes a first communication port 312 and a first ore pulp return port 321, the circulating ore feeding device 3 is communicated with the slurry pump 2 through the first communication port 312, the first ore pulp return port 321 is communicated with the stirring barrel 1, and a pulp return valve is arranged at the first ore pulp return port 321. Before ore feeding, ore pulp can circulate in the circulation ore feeding device 3 under the action of the slag pulp pump 2, and after the circulation is stable, ore feeding is carried out to the ore dressing device 4 to be tested, so that the problems of inaccurate experimental data and the like caused by uneven ore pulp or inconsistent ore feeding state and requirement are further avoided; in addition, when experimental data need to be replaced in the middle of the experiment, the circulating ore feeding device 3 can be circulated with the slurry pump 2 and the stirring barrel 1, and the ore feeding is quicker and simpler when ore feeding is performed again, so that the ore pulp in the stirring barrel 1 is prevented from precipitating due to the fact that the experimental device is entirely stagnant.
In this embodiment, further, the circulating ore feeding device 3 includes a diversion pipeline 31 and a pulp collecting tank 32, and the diversion pipeline 31 is provided with a second communication port 313, an ore feeding port 311 connected with the ore dressing device 4 to be tested, and a first communication port 312 communicated with the slurry pump 2; the pulp collecting tank 32 is a funnel-shaped tank body, the bottom of the tank body is provided with a first pulp return port 321 communicated with the stirring barrel 1, a second pulp return port 322 communicated with the stirring barrel 1 is arranged at a position higher than the first pulp return port 321, the second communication port 313 is positioned above the opening of the pulp collecting tank 32 to discharge pulp into the pulp collecting tank 32, and a circulation valve is arranged at the position of the second communication port 313; a pump submerged opening 323 is arranged between the first ore pulp return opening 321 and the second ore pulp return opening 322 on the ore pulp collecting tank 32, the pump submerged opening 323 is communicated to a pipe section of the diversion pipeline 31 between the second communication opening 313 and the first communication opening 312, and a pump submerged valve is arranged at the pump submerged opening 323.
When the ore pulp circulating pressurizing ore feeding system is used for ore feeding, the steps comprise:
s1: preparation before operation: closing a feeding valve, a pulp return valve, a circulating valve and a pump submerged valve, opening the stirring barrel 1, and placing part of pulp or clear water in the pulp collecting tank 32 to enable the liquid level of fluid in the pulp collecting tank 32 to be close to the second pulp return port 322;
s2: extracting ore pulp to form circulation: after the ore pulp in the stirring barrel 1 is uniformly stirred, a pump submerged valve and a circulating valve are opened, fluid in the ore pulp collecting tank 32 flows to the position of the slag pulp pump 2 through a pump submerged port 323 to enable the slag pulp pump 2 to have extraction force, the ore pulp is extracted, then the pump submerged valve is closed, and an ore pulp returning valve is opened to enable the ore pulp to circulate among the stirring barrel 1, the slag pulp pump 2 and the circulating ore feeding device 3;
s3: ore feeding: when the circulation in the step S2 is stable, closing a circulation valve, opening a mineral feeding valve, and feeding mineral to the mineral separation device 4 to be tested; the return valve is kept open during this period to avoid sedimentation of the slurry in the slurry collection tank 32;
s4: ending the experiment: the feed valve is closed, the return pulp valve is closed, the circulation valve is opened, and the slurry pump 2 is closed when slurry is deposited in the slurry collection tank 32 and enters the mixing tank from the second slurry return port 322. The purpose of making the slurry in the slurry collection tank 32 higher than the pump submerged opening 323 is to facilitate the next turn on of the slurry pump 2.
In this embodiment, if the feeding of the ore is to be continued after the experimental data is to be modified in the operation process, step S3 further includes:
s3.1: suspending ore feeding: closing the ore feeding valve, closing the ore pulp returning valve, opening the circulating valve, and closing the slurry pump 2 when ore pulp is deposited in the ore pulp collecting tank 32 and enters the stirring barrel from the second ore pulp return port 322;
s3.2: continuing ore feeding: repeating the steps S2 to S3.
Since the slurry pump 2 of this embodiment is placed on top of the stirring tank 1, there is no fluid in the slurry pump 2 in the stopped state, but the pumping operation cannot be performed when the slurry pump 2 is not full of fluid, so a slurry collecting tank 32 is provided in this embodiment, before the system is operated, valves are closed, a part of slurry or clean water is placed in the slurry collecting tank 32, and then a pump submerged valve is opened, and at this time, fluid flows to the slurry pump 2 through the pump submerged port 323, so that the slurry pump 2 has pumping capability. The arrangement mode not only avoids the problem of easy blockage caused by arranging the slurry pump 2 at the bottom of the stirring barrel 1, but also enables the slurry pump to be easy to start, and is convenient for experiments to carry out; as for the fluid remaining in the slurry collecting tank 32, the fluid can flow back to the stirring tank 1 through the first slurry return port 321, so that the inconsistency of the slurry composition with the experimental target composition is avoided.
When feeding ore, the pump submerged valve is closed, the ore pulp returning valve is opened, so that ore pulp circulates among the stirring barrel 1, the slag pulp pump 2 and the circulating ore feeding device 3, the problems of inaccurate experimental data and the like caused by uneven ore pulp or inconsistent ore feeding state and requirement are avoided, and the second ore pulp return port 322 on the ore pulp collecting tank 32 is used for avoiding the ore pulp from overflowing the ore pulp collecting tank 32; when the circulation is stable, closing the ore returning pulp valve and the circulation valve, opening the ore feeding valve, and feeding ore to the ore dressing device 4 to be tested; in addition, the operator can open the circulation valve to determine whether ore feeding is possible through the slurry flowing out from the second communication port 313.
In this embodiment, a pressure gauge 5 is further disposed at the ore feeding port 311, so that operators can observe the ore feeding pressure conveniently.
The above description is merely a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above examples. Modifications and variations which do not depart from the gist of the invention are intended to be within the scope of the invention.
Claims (5)
1. The utility model provides a ore pulp circulation pressurization is given ore deposit system, includes agitator (1) and sediment stuff pump (2), its characterized in that: the device comprises a stirring barrel (1), and is characterized by further comprising a circulating ore feeding device (3), wherein the slurry pump (2) is arranged at the top of the stirring barrel (1), one port of the slurry pump (2) is communicated with the stirring barrel (1), the other port of the slurry pump is communicated with the circulating ore feeding device (3), the circulating ore feeding device (3) comprises an ore feeding port (311) connected with an ore dressing device (4) to be tested, and an ore feeding valve is arranged at the ore feeding port (311); the circulating ore feeding device (3) further comprises a first communication port (312) and a first ore pulp return port (321), the circulating ore feeding device (3) is communicated with the slag pulp pump (2) through the first communication port (312), the first ore pulp return port (321) is communicated with the stirring barrel (1), and a pulp return valve is arranged at the first ore pulp return port (321); the circulating ore feeding device (3) further comprises a diversion pipeline (31) and an ore pulp collecting tank (32), wherein a second communication port (313), an ore feeding port (311) connected with the ore dressing device (4) to be tested and a first communication port (312) communicated with the slurry pump (2) are arranged on the diversion pipeline (31); the ore pulp collecting tank (32) is a funnel-shaped tank body, a first ore pulp return port (321) communicated with the stirring barrel (1) is arranged at the bottom of the ore pulp collecting tank, a second ore pulp return port (322) communicated with the stirring barrel (1) is arranged at a position higher than the first ore pulp return port (321), the second communication port (313) is positioned above an opening of the ore pulp collecting tank (32) so as to leak ore pulp into the ore pulp collecting tank (32), and a circulating valve is arranged at the position of the second communication port (313); the ore pulp collecting tank (32) is provided with a pump submerged opening (323) between the first ore pulp return opening (321) and the second ore pulp return opening (322), the pump submerged opening (323) is communicated to a pipe section of the diversion pipeline (31) between the second communication opening (313) and the first communication opening (312), and a pump submerged valve is arranged at the pump submerged opening (323).
2. The slurry circulation pressurized feeding system according to claim 1, wherein: the ore feeding port (311) is also provided with a pressure gauge (5).
3. The slurry circulation pressurized feeding system according to claim 1, wherein: the slurry pump (2) is a pipeline slurry pump, and the inlet of the slurry pump (2) is used for pumping the slurry in the stirring barrel (1) through a pipeline extending to the lower part of the stirring barrel (1).
4. A method of feeding ore in a slurry circulating pressurized feeding ore system, using the slurry circulating pressurized feeding ore system of claim 1, comprising the steps of:
s1: preparation before operation: closing a feeding valve, a pulp return valve, a circulating valve and a pump submerged valve, opening a stirring barrel (1), and placing part of pulp or clear water in a pulp collecting tank (32) to enable the liquid level of fluid in the pulp collecting tank (32) to be close to a second pulp return port (322);
s2: extracting ore pulp to form circulation: after the ore pulp in the stirring barrel (1) is uniformly stirred, a pump submerged valve and a circulating valve are opened, fluid in an ore pulp collecting tank (32) flows to a slurry pump (2) through a pump submerged port (323), the slurry pump (2) pumps the ore pulp, then the pump submerged valve is closed, and a return ore pulp valve is opened, so that the ore pulp circulates among the stirring barrel (1), the slurry pump (2) and a circulating ore feeding device (3);
s3: ore feeding: when the circulation in the step S2 is stable, closing a circulation valve, opening a mineral feeding valve, and feeding mineral to a mineral separation device (4) to be tested;
s4: ending the experiment: closing the feeding valve, closing the pulp return valve, opening the circulation valve, and closing the pulp pump (2) when the pulp is deposited in the pulp collecting tank (32) and enters the stirring barrel from the second pulp return port (322).
5. The method of feeding mineral slurry in a circulating pressurized feeding mineral system according to claim 4, wherein: and in the operation process, after the experimental data are modified by stopping feeding, feeding is continued, and the method further comprises the following steps:
s3.1: suspending ore feeding: closing a feeding valve, closing a pulp return valve, opening a circulation valve, and closing a pulp pump (2) when pulp is deposited in a pulp collecting tank (32) and enters a stirring barrel from a second pulp return port (322);
s3.2: continuing ore feeding: repeating the steps S2-S3.
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| CN201811237759.6A CN109225691B (en) | 2018-10-23 | 2018-10-23 | Ore pulp circulating pressurizing ore feeding system and ore feeding method thereof |
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| CN201811237759.6A CN109225691B (en) | 2018-10-23 | 2018-10-23 | Ore pulp circulating pressurizing ore feeding system and ore feeding method thereof |
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| CN109225691B true CN109225691B (en) | 2024-03-22 |
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| CN205221627U (en) * | 2015-11-20 | 2016-05-11 | 厦门紫金矿冶技术有限公司 | Mine ore pulp feeder |
| CN206108056U (en) * | 2016-10-19 | 2017-04-19 | 浙江富冶集团有限公司 | Novel ore pulp pump pond |
| CN206325720U (en) * | 2016-11-10 | 2017-07-14 | 北京金诚信矿山技术研究院有限公司 | A kind of tailings cyclone classification experimental system |
| CN108580024A (en) * | 2018-04-18 | 2018-09-28 | 烟台金元矿业机械有限公司 | A kind of dense medium separation of spodumene mine and the united ore-dressing technique of floatation |
| CN209302992U (en) * | 2018-10-23 | 2019-08-27 | 长沙矿冶研究院有限责任公司 | Mine system is given in a kind of circulation pressurization of ore pulp |
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| CN109225691A (en) | 2019-01-18 |
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