CN115165474A - Anti-blocking vertical type rotary division device for bulk ore sampling - Google Patents
Anti-blocking vertical type rotary division device for bulk ore sampling Download PDFInfo
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- CN115165474A CN115165474A CN202210805062.4A CN202210805062A CN115165474A CN 115165474 A CN115165474 A CN 115165474A CN 202210805062 A CN202210805062 A CN 202210805062A CN 115165474 A CN115165474 A CN 115165474A
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- 238000007599 discharging Methods 0.000 claims abstract description 11
- 230000009471 action Effects 0.000 claims description 5
- 230000003139 buffering effect Effects 0.000 claims description 3
- 230000009467 reduction Effects 0.000 claims description 2
- 238000012216 screening Methods 0.000 claims description 2
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/20—Devices for withdrawing samples in the liquid or fluent state for flowing or falling materials
- G01N1/2035—Devices for withdrawing samples in the liquid or fluent state for flowing or falling materials by deviating part of a fluid stream, e.g. by drawing-off or tapping
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/34—Purifying; Cleaning
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/20—Devices for withdrawing samples in the liquid or fluent state for flowing or falling materials
- G01N2001/2092—Cross-cut sampling
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Abstract
The invention relates to the technical field of bulk mineral product sampling, and particularly discloses an anti-blocking vertical rotary division device for bulk mineral sampling, which comprises: the feeding hopper is used for collecting and bulk loading ores; the feeding hopper is arranged below the feeding hopper and used for discharging bulk mineral aggregate; the material distribution component is connected between the feed hopper and the discharge hopper, and is used for rectifying bulk ores in the feed hopper and uniformly and continuously feeding the bulk ores into the discharge hopper; and the division machine can sample the materials output by the discharge hopper periodically. The invention can solve the problem of 'empty sampling' of the existing dividing machine during sampling, can sample periodically and can obtain enough samples.
Description
Technical Field
The invention relates to the technical field of bulk ore product sampling, in particular to an anti-blocking vertical rotary division device for bulk ore sampling.
Background
The on-line sampling and sample-making system for bulk mineral products generally comprises a material detection system, a sampling system, a crushing system, a division system, a screening system, a sample collection system, a waste material return system, a video monitoring system, a measurement and control system and the like. The obtained bulk sample needs to be divided into representative samples by a dividing machine and sent to a lower device, as shown in fig. 5, which is a schematic flow chart of the existing bulk mineral product sampling by the dividing machine, and chinese patent publication (publication) No. CN213544168U discloses a full-automatic sample preparation system, which is also a bulk mineral product sampling system.
When the existing bulk mineral products are sampled, the upper end of a feed inlet of a general dividing machine is connected with a crusher, when the dividing machine is used for sampling, the dividing hopper is generally controlled by a speed reducing motor to drive the dividing hopper to rotate to the position below the discharge end of a jaw crusher to receive materials, and the frequency of the dividing hopper below the discharge end of the jaw crusher is controlled by controlling the rotating frequency of the speed reducing motor, so that the sampling with controllable times is realized.
In addition, as impurities such as weeds, branches and bags can be mixed in raw ore of the bulk mineral product when the bulk mineral product is conveyed or mined by a railway before being crushed by the jaw crusher, and the mineral aggregate crushed by the jaw crusher can generate irregular strips or oversized materials, samples with poor quality can be obtained by the dividing hopper during sampling, and the samples with poor quality are not representative.
Disclosure of Invention
The invention aims to provide an anti-blocking vertical type rotary division device for sampling bulk ores, which can solve the problem of 'empty mining' in sampling of the conventional division machine, can sample periodically and can obtain enough samples.
The purpose of the invention can be realized by the following technical scheme: the utility model provides a bulk ore deposit sample is with preventing stifled vertical rotatory division device, the device includes:
the feed hopper is used for collecting and bulk loading ores;
the discharging hopper is arranged below the feeding hopper and used for discharging bulk mineral aggregate;
the material distribution component is connected between the feed hopper and the discharge hopper, and is used for rectifying bulk ores in the feed hopper and uniformly and continuously feeding the bulk ores into the discharge hopper;
and the division machine can sample the materials output by the discharge hopper periodically.
In a further scheme, the material distribution assembly comprises a material distribution disc, the material distribution disc is arranged below the feed hopper, a gap is formed between the material distribution disc and the feed hopper, and bulk ore can fall on the material distribution disc through the gap; and the driving motor is in driving connection with the material distribution plate and can drive the bulk ore samples on the material distribution plate to be uniformly thrown out from the gap.
In a further scheme, the material distribution disc comprises a material distribution disc and a conical rod, the material distribution disc is connected with a driving motor, the conical rod is connected onto the material distribution disc, the conical rod is inserted into the feed hopper, a gap for bulk ore samples to pass through is formed at a discharge port at the lower part of the feed hopper, and when bulk ore falls onto the material distribution disc, the bulk ore is gathered and continuously thrown out of the material distribution disc under the action of the driving motor and falls into the discharge hopper.
In the further scheme, a feeding chute is connected to the feeding hopper and used for guiding bulk ore into the feeding hopper in a buffering mode.
In a further scheme, still be provided with the sieve on the feeder hopper, sieve and feeder hopper all set up in the feeding elephant trunk, the feeding elephant trunk is close to sieve department intercommunication and has divided the material elephant trunk, the sieve is used for sieving the bulk ore that gets into from the feeding elephant trunk, can sieve qualified bulk ore to the feeder hopper in, the sieve of unqualified bulk ore is to dividing in the material elephant trunk.
In a further scheme, an observation window is arranged on the feeding chute, and the feeding chute is positioned at the sieve plate and is detachably connected with a cover plate for sieve plate maintenance.
In the further scheme, the division machine includes gear motor, casing and division machine hopper, the division machine hopper is connected on gear motor and through gear motor drive, gear motor installs on the casing, the division machine hopper can drive the below that the periodicity is located down the hopper through gear motor, samples from the bulk ore that the hopper dropped down.
In a further scheme, the discharging hopper is connected to the shell, and the feeding chute, the feeding hopper and the driving motor are sequentially connected to the discharging hopper.
In a further scheme, the gap between the feed hopper and the material distribution disc can be adjusted through an adjusting device.
In a further scheme, adjusting device is the connecting seat of connection in the feeder hopper bottom, the connecting seat passes through the bolt can be dismantled and connect on the feeding elephant trunk, and can realize the altitude mixture control of feeder hopper through the gasket on the bolt.
The invention has the beneficial effects that:
according to the invention, the material distribution component is additionally arranged between the feed hopper and the discharge hopper, the rectification is provided for the bulk ores in the feed hopper, the bulk ores can be uniformly and continuously fed into the discharge hopper and fall from the discharge hopper, and the division machine can sample according to the set sampling period, so that the phenomenon of 'empty mining' of the division machine is avoided.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic structural diagram of an anti-blocking vertical rotary dividing device for bulk ore sampling, which is based on the present invention;
FIG. 2 is a schematic front view of an anti-blocking vertical rotary dividing device for bulk ore sampling according to the present invention;
FIG. 3 is a schematic side view of a preferred block-resistant vertical rotary dividing apparatus for bulk ore sampling of the present invention;
FIG. 4 is a schematic top view of an anti-clogging vertical rotary dividing device for bulk ore sampling according to the present invention;
FIG. 5 is a schematic view of a usage scenario of the anti-blocking vertical rotary dividing device for bulk ore sampling according to the present invention.
In the figure: 1. a feed hopper; 11. a connecting seat; 2. feeding a hopper; 3. a cloth component; 31. a material distribution disc; 311. a cloth disc; 312. a tapered rod; 32. a drive motor; 4. dividing the machine; 41. a reduction motor; 42. a housing; 43. a hopper of the dividing machine; 5. a feeding chute; 51. an observation window; 52. a cover plate; 6. a sieve plate; 7. a material separating chute; 8. a gasket; 01. a raw ore conveyor belt; 02. a material detector; 03. a sampler; 04. a belt conveyor; 05. a material separating machine; 06. preparing a channel for a component sample; 07. a jaw crusher; 08. a lower device sample collector.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, an anti-blocking vertical rotary division device for sampling bulk ore comprises:
the feed hopper 1 is used for collecting and bulk loading ores;
the lower hopper 2, the lower hopper 2 is set up below the feed hopper 1, the lower hopper 2 is used in the discharge of the mineral aggregate in bulk;
the material distribution component 3 is connected between the feed hopper 1 and the discharge hopper 2, and is used for rectifying bulk ores in the feed hopper 1 and uniformly and continuously feeding the bulk ores into the discharge hopper 2;
and the division machine 4 can sample the materials output by the discharge hopper 2 periodically.
The working principle of the device is that after being crushed by a jaw crusher, the obtained bulk mineral products fall onto the distributing component 3 under the collecting effect of the feed hopper 1, the distributing component 3 rectifies the bulk mineral in the feed hopper 1, the bulk mineral can be uniformly and continuously fed into the discharging hopper 2 and falls down from the discharging hopper 2, and the dividing machine 4 can sample according to the set sampling period, so that the phenomenon of 'empty mining' of the dividing machine 4 is avoided.
As shown in fig. 2-4, according to the basic working principle, it is particularly preferred that the material distribution assembly 3 includes a material distribution disc 31, the material distribution disc 31 is disposed below the feeding hopper 1 and has a gap with the feeding hopper 1, and the gap can allow bulk ore to fall on the material distribution disc 31; the driving motor 32 is in driving connection with the material distribution disc 31, and the driving motor 32 can drive the bulk ore samples on the material distribution disc 31 to be evenly thrown out from the gap. The driving motor 32 is arranged below the cloth disc 31 and can be arranged in the sealing cover, so that the material flow can be avoided from being washed, and dust can be prevented from entering
The material distribution disc 31 comprises a material distribution disc 311 and a conical rod 312, the material distribution disc 311 is connected with the driving motor 32, the conical rod 312 is connected with the material distribution disc 311, the conical rod 312 is inserted into the feed hopper 1, a gap for bulk ore samples to pass through is formed at a discharge port at the lower part of the feed hopper 1, and when bulk ore falls onto the material distribution disc 311, the bulk ore is gathered and continuously thrown out of the material distribution disc 311 under the action of the driving motor 32 and falls into the lower hopper 2.
The feed hopper 1 is connected with a feeding chute 5, and the feeding chute 5 is used for buffering and guiding bulk ores into the feed hopper 1.
The feeding hopper 1 is also provided with a sieve plate 6, the sieve plate 6 and the feeding hopper 1 are both arranged in a feeding slide pipe 5, the feeding slide pipe 5 is communicated with a material distribution slide pipe 7 at the position close to the sieve plate 6, the sieve plate 6 is used for sieving bulk ores entering from the feeding slide pipe 5, qualified bulk ores can be sieved into the feeding hopper 1, and unqualified bulk ores are sieved into the material distribution slide pipe 7. When the jaw crusher crushes raw mineral materials, irregular strips or oversized materials can appear, and when the raw mineral materials are mixed in the belt transportation or loading process, qualified bulk minerals directly fall into the feed hopper 1 under the action of the sieve plate 6, unqualified irregular strips or oversized materials and sundries such as weeds, branches and bags slide into the material distribution chute 7, and are blown or sucked into the material distribution chute 7 under the action of the suction fan for enhancing suction force, so that a gap between the feed hopper 1 and the material distribution disc 31 is not blocked.
An observation window 51 is arranged on the feeding chute 5, and a cover plate 52 used for the maintenance of the sieve plate 6 is detachably connected to the feeding chute 5 at the sieve plate.
The dividing machine 4 comprises a speed reducing motor 41, a machine shell 42 and a dividing machine hopper 43, the dividing machine hopper 43 is connected to the speed reducing motor 41 and driven by the speed reducing motor 41, the speed reducing motor 41 is installed on the machine shell 42, the dividing machine hopper 43 can be driven by the speed reducing motor 41 to be periodically positioned below the lower hopper 2, and bulk ores falling from the lower hopper 2 are sampled. In order to reduce residue, the included angle between the inclined plane of the inner wall of the chute hopper of the dividing machine hopper 43 and the horizontal plane is not less than 65 degrees, the hopper is lined with polytetrafluoroethylene, and the hopper has the characteristics of no ash adhesion, no water adhesion and no rust, and the direct contact parts of the feed hopper and the dividing machine hopper and materials are made of single-side polished stainless steel. Through adjusting gear motor's rotation cycle to the frequency of adjustment division machine hopper cutting bulk mineral material stream guarantees invariable sample cycle, and the invariable sample of being convenient for, and will take a sample the invariable transport to next process.
The material receiving opening of the hopper 43 of the division machine can be a single material receiving opening matched with the size of the material outlet of the lower hopper 2, or can be formed by a plurality of material receiving openings, when the speed reducing motor rotates, the rotating shaft is dynamically unbalanced and has certain vibration, and the residue of the material in the hopper 43 of the division machine is eliminated.
The blanking hopper 2 is connected on the shell 42, and the feeding chute 5, the feeding hopper 1 and the driving motor 32 are sequentially connected on the blanking hopper 2.
The gap between the feed hopper 1 and the distribution plate 31 can be adjusted by means of an adjusting device.
Adjusting device is connecting seat 11 in feeder hopper 1 bottom for connecting, and connecting seat 11 can dismantle through the bolt and connect on feeding elephant trunk 5, and can realize the altitude mixture control of feeder hopper 1 through the gasket 8 on the bolt.
The specific use mode of the anti-blocking vertical rotary division device can be that, in the preparation of a sampling and sample-making system shown in fig. 5, raw ores are conveyed by a raw ore conveying belt 01 and detected by a material detector 02, large samples are taken down by a sampler 03 and sent to a material distributor 05 through a belt conveyor 04 on a sampling platform to enter a component sample preparation channel 06, and a jaw crusher 07 is installed above the anti-blocking vertical rotary division device. The anti-blocking vertical rotary division device can also be used in the two-stage crushing and division sampling conditions of samples, for example, a primary crushed sample is crushed to 10mm by a jaw crusher PE250x150A, no less than 4Kg of sample is sampled by a division machine 4, and a secondary crushed sample is crushed to 6.3mm by a jaw crusher PE150x 100; sampling a sample of not less than 2Kg by the dividing machine 4, and sampling and dividing at the first stage, wherein the size of a sieve plate 6 sieve pore is 20mm; the sieve plate of the secondary splitter takes a value of 15mm; when the first-stage sampling and division are carried out, the gap between the material distribution disc and the feed hopper takes a value of 22mm, and the gap between the material distribution disc and the feed hopper 1 takes a value of 16mm. The samples taken out by the splitter 4 are sent to the lower device sample collector 08. And the waste materials of the division machine 4 are collected and then uniformly conveyed away.
This prevent stifled vertical rotatory division device during operation specifically, if big appearance about 40kg material by jaw crusher intermittent type inflow feeder hopper 1 after, sieve 6 filters debris and irregular strip broken piece or super large material reposition of redundant personnel in advance and debris flow through dividing the material elephant trunk 7, divide the material elephant trunk 7 export and the division machine hopper 43 material receiving mouth staggered position, abandon the material through the marginal outflow of casing 42, the complete broken bulk mineral that sieves 6 sieve, under driving motor 32's drive, make the material evenly fall by the clearance between rotatory cloth disc 311 and the feeder hopper 1, in order to form the continuous material stream, avoid appearing the empty phenomenon of adopting, it is rotatory to drive division machine hopper 43 through gear motor 41, the material stream that the cutting was followed hopper 2 departments and is fallen. The sampling amount is adjusted by adjusting the intermittent time of the material cutting of the reducing machine hopper 43, and the proper amount of the sample is cut and sent to the lower equipment sample collector.
The invention can overcome the defects and realize the early shunting of sundries and irregular strip-shaped broken objects or oversized materials. The sample after the reposition of redundant personnel flows in again through the even effect that falls of cloth dish in order to reach the flow shaping, avoids "empty adopting" phenomenon that appears when directly contracting divide the discontinuous material stream. The quantity of the sample separated by the condensation is more representative.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are within the scope of the invention as claimed.
Claims (10)
1. The utility model provides a bulk ore deposit sample is with preventing stifled vertical rotatory division device, the device includes:
the feed hopper (1), the said feed hopper (1) is used for collecting and loading the ore in bulk;
the discharging hopper (2) is arranged below the feeding hopper (1), and the discharging hopper (2) is used for discharging bulk mineral aggregate;
the material distribution component (3) is connected between the feed hopper (1) and the discharge hopper (2) and is used for rectifying bulk ores in the feed hopper (1) and uniformly and continuously feeding the bulk ores into the discharge hopper (2);
the material sampling device comprises a dividing machine (4), wherein the dividing machine (4) can sample materials output by the discharging hopper (2) periodically.
2. The anti-blocking vertical type rotary dividing device for sampling the bulk ores according to claim 1, wherein the distributing assembly (3) comprises a distributing plate (31), the distributing plate (31) is arranged below the feeding hopper (1) and a gap is arranged between the distributing plate and the feeding hopper (1), and the gap can allow the bulk ores to fall on the distributing plate (31); the driving motor (32) is in driving connection with the material distribution plate (31), and the driving motor (32) can drive the bulk ore samples on the material distribution plate (31) to be evenly thrown out from the gap.
3. The anti-blocking vertical type rotary dividing device for sampling bulk ore as claimed in claim 2, wherein the distribution disc (31) comprises a distribution disc (311) and a conical rod (312), the distribution disc (311) is connected with the driving motor (32), the conical rod (312) is connected to the distribution disc (311), the conical rod (312) is inserted into the feed hopper (1), a gap for allowing the bulk ore sample to pass is formed at a discharge port at the lower part of the feed hopper (1), and when the bulk ore falls onto the distribution disc (311), the bulk ore is gathered and then continuously thrown out of the distribution disc (311) under the action of the driving motor (32) and falls into the discharge hopper (2).
4. The anti-blocking vertical type rotary division device for sampling the bulk ores as claimed in claim 3, wherein a feeding chute (5) is connected to the feeding hopper (1), and the feeding chute (5) is used for buffering and guiding the bulk ores into the feeding hopper (1).
5. The anti-blocking vertical type rotary dividing device for sampling bulk ores according to claim 4, wherein a sieve plate (6) is further arranged on the feeding hopper (1), the sieve plate (6) and the feeding hopper (1) are both arranged in the feeding chute (5), the feeding chute (5) is communicated with a dividing chute (7) at a position close to the sieve plate (6), the sieve plate (6) is used for screening the bulk ores entering from the feeding chute (5), qualified bulk ores can be screened into the feeding hopper (1), and unqualified bulk ores are screened into the dividing chute (7).
6. The anti-blocking vertical type rotary division device for bulk ore sampling according to claim 5, wherein an observation window (51) is arranged on the feeding chute (5), and a cover plate (52) for overhauling the sieve plate (6) is detachably connected to the feeding chute (5) at the sieve plate.
7. The anti-blocking vertical type rotary dividing device for sampling the bulk ores according to any one of claims 3 to 5, wherein the dividing machine (4) comprises a speed reducing motor (41), a casing (42) and a dividing machine hopper (43), the dividing machine hopper (43) is connected to the speed reducing motor (41) and driven by the speed reducing motor (41), the speed reducing motor (41) is mounted on the casing (42), and the dividing machine hopper (43) can be driven by the speed reducing motor (41) to be periodically positioned below the lower hopper (2) so as to sample the bulk ores falling from the lower hopper (2).
8. The anti-blocking vertical type rotary dividing device for bulk ore sampling according to claim 7, wherein the discharge hopper (2) is connected to the casing (42), and the feeding chute (5), the feeding hopper (1) and the driving motor (32) are sequentially connected to the discharge hopper (2).
9. The anti-blocking vertical type rotary reduction device for sampling bulk ores according to claim 8, wherein a gap between the feed hopper (1) and the distribution disc (31) can be adjusted by an adjusting device.
10. The anti-blocking vertical type rotary dividing device for bulk ore sampling according to claim 9, wherein the adjusting device is a connecting seat (11) connected to the bottom of the feeding hopper (1), the connecting seat (11) is detachably connected to the feeding chute (5) through a bolt, and the height of the feeding hopper (1) can be adjusted through a gasket (8) on the bolt.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210805062.4A CN115165474A (en) | 2022-07-08 | 2022-07-08 | Anti-blocking vertical type rotary division device for bulk ore sampling |
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| CN202210805062.4A CN115165474A (en) | 2022-07-08 | 2022-07-08 | Anti-blocking vertical type rotary division device for bulk ore sampling |
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| CN106501042A (en) * | 2016-10-26 | 2017-03-15 | 长沙开元仪器股份有限公司 | A kind of rotary dividing machine |
| CN108838079A (en) * | 2018-08-08 | 2018-11-20 | 耒阳市润兆达农业科技发展有限公司 | Screening plant is used in a kind of production of foliar fertilizer |
| CN109374379A (en) * | 2018-11-29 | 2019-02-22 | 徐州三原电力测控技术有限公司 | Vertical reduction device |
| CN218121538U (en) * | 2022-07-08 | 2022-12-23 | 攀钢集团攀枝花钢铁研究院有限公司 | Rotary distribution type dividing machine |
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