CN204051782U - A kind of can the simultaneously broken and hammer mill of dry coal sample - Google Patents
A kind of can the simultaneously broken and hammer mill of dry coal sample Download PDFInfo
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- CN204051782U CN204051782U CN201420498877.3U CN201420498877U CN204051782U CN 204051782 U CN204051782 U CN 204051782U CN 201420498877 U CN201420498877 U CN 201420498877U CN 204051782 U CN204051782 U CN 204051782U
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Abstract
The utility model relates to coal sample preparation field, disclose the fragmentation simultaneously of a kind of energy and the hammer mill of dry coal sample, comprise broken cavity, the built-in main shaft of described broken cavity, described main shaft circumferential surface arranges multiple ring hammer, described broken cavity is provided with discharging opening and charging aperture, described charging aperture place is installed into bin gate, described discharge outlet installs discharge door, described discharge door and/or feeding gate are screen cloth at least partly, and described broken cavity is also provided with the dehumidifying mouth that at least one injects dehumidified air in broken cavity.When the utility model takes full advantage of hammer crushing crusher machine coal sample, moisture easily overflows this defect, it is transformed, the hammer mill only with crushing function is transformed into the new type crushing machine with the dry dual-use function of fragmentation, broken drying is carried out greatly to reduce drying time simultaneously, increase work efficiency, the input reduced costs.
Description
Technical field
The utility model relates to coal sample preparation field, has particularly related to the fragmentation simultaneously of a kind of energy and the hammer mill of dry coal sample.
Background technology
Disintegrating machine is one of capital equipment of preparation coal sample, and it has polytype, is applicable to the coal sample of broken different grain size, different in moisture.In order to avoid dust pollution during broken coal sample, closed circuit crushing operation often implemented by hammer mill, crushing system positive confinement operation, thus during work, dust pollution is less.In addition, because rotating speed is higher, there is good crushing effect.
But, rotating speed just because of hammer mill is higher, moisture time broken in coal sample is subject to centrifugal action and often easily overflows, the high-moisture coal sample obtained not only easily blocks disintegrating apparatus, and be difficult to abrasive dust and be prepared into analytical test coal sample, before abrasive dust, need coal sample to carry out heat drying, and drying time is longer, so often reduce operating efficiency, and for needing the online sample preparation device of abrasive dust, drying time, length will reduce production efficiency to a certain extent, affected it and came into operation widely.
Utility model content
For solving the problems of the technologies described above, the utility model provides the fragmentation simultaneously of a kind of energy and the hammer mill of dry coal sample, and while broken coal sample, carry out drying, improve operating efficiency, dry coal sample also can not blocking crusher.
The utility model provide a kind of can the simultaneously broken and hammer mill of dry coal sample, comprise broken cavity, the built-in main shaft of described broken cavity, described main shaft circumferential surface arranges multiple ring hammer, described broken cavity is provided with discharging opening and charging aperture, and described charging aperture place is installed into bin gate, and described discharge outlet installs discharge door, described discharge door and/or feeding gate are screen cloth at least partly, and described broken cavity is also provided with the dehumidifying mouth that at least one injects dehumidified air in broken cavity.
At the screen cloth that discharge door and/or the feeding gate setting of the broken cavity of sealing only allow air and moisture to pass in and out, change traditional positive confinement work pattern, but dust during broken coal sample cannot pass screen cloth, avoids dust pollution.The moisture rotated in shattering process in coal sample easily overflows, and injects the dehumidified air of high temperature, the spilling moisture vaporization under dehumidified air effect in coal sample, and flow out broken cavity through screen cloth through dehumidifying mouth in broken cavity.Therefore, coal sample has carried out dry process in shattering process simultaneously, shortens the coal sample processing time, improves operating efficiency, and the coal sample after dry process also can not blocking crusher, decreases the accident rate of disintegrating machine, improves reliability.In addition, carry out drying process on coal sample reduction machine, only arrange screen cloth and dehumidifying mouth, structure is simple, does not need additionally to arrange drying equipment, has saved cost; Utilize the feature rotating the moisture in shattering process in coal sample and easily overflow, in shattering process, (in moisture overflow process) carries out drying process simultaneously, and drying effect is good; And the rotation being combined in the hammer of ring in shattering process is to the stirring action of coal sample, dehumidified air fully can contact with coal sample, strengthens drying effect further.
Wherein, described feeding gate entirety is screen cloth, or described feeding gate is made up of screen portion and enclosure portion.Entirety is fast for screen cloth moisture flows out, and drying effect is good; When part is screen cloth in broken dry run, few from screen cloth outflow coal sample dust, decrease pollution.
Wherein, the aperture of described screen cloth is 0.01mm.Through repetition test, when the aperture of screen cloth is 0.01mm, the coal sample dust in broken dry run cannot flow out from screen cloth, prevents dust pollution, and the spilling moisture of gasification also can flow out disintegrating machine cavity in time, meets dry requirement.
Wherein, the vibration source entrance that screen cloth is vibrated also is provided with near described screen cloth.Vibration screen, clears up the coal sample be bonded on screen cloth, prevents screen cloth mesh from blocking.
Wherein, described charging aperture connects feeding-passage, and described vibration source entrance is arranged on feeding-passage.Arrange feeding-passage, facilitate coal sample charging, and be placed on feeding-passage by vibration source entrance, namely vibration source entrance is placed in above screen cloth, and vibration source acts on screen cloth above screen cloth, and vibration is comparatively strong, and screen cloth cleaning effect is good.
Wherein, described discharging opening connects tapping channel.Broken dried coal sample flows out from tapping channel, prevents coal dust from polluting surrounding environment.
The utility model is owing to have employed above technical scheme, there is significant technique effect: when the utility model takes full advantage of hammer crushing crusher machine coal sample, moisture easily overflows this defect, it is transformed, the hammer mill only with crushing function is transformed into the new type crushing machine with the dry dual-use function of fragmentation, broken drying is carried out can greatly reducing the coal sample processing time simultaneously, increase work efficiency, the input reduced costs.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is energy of the present utility model fragmentation simultaneously and the hammer mill profile of dry coal sample.
Fig. 2 is the profile along A-A line in Fig. 1.
Detailed description of the invention
Be described in further detail the utility model below in conjunction with embodiment, following examples are that the utility model is not limited to following examples to explanation of the present utility model.
As depicted in figs. 1 and 2, the utility model is disclosed can the simultaneously broken and hammer mill of dry coal sample, comprise broken cavity 1, main shaft 9 is provided with in broken cavity 1, main shaft 9 circumferential surface is provided with multiple ring hammer 2, be provided with charging aperture 10 and discharging opening 11 with broken cavity 1, charging aperture 10 place is installed into bin gate 5, and discharge door 6 is installed at discharging opening 11 place.When feeding gate 5 and discharge door 6 are closed, broken cavity 1 is seal chamber.As shown in Figure 2, the right part of feeding gate 5 is screen cloth 51, and other parts of feeding gate 5 are enclosure portion, and screen cloth 51 only allows air and moisture turnover, is still seal chamber for broken cavity 1 coal sample.As shown in Figure 1, broken cavity 1 both sides are equipped with the dehumidifying mouth 7 injecting dehumidified air in broken cavity 1.
So, the screen cloth 51 (dust cannot pass screen cloth 51) only allowing air and moisture turnover is set at the feeding gate 5 of the broken cavity 1 of sealing, change traditional positive confinement work pattern, and in broken cavity 1, the dehumidified air of high temperature is injected through dehumidifying mouth 7, ring hammer 2 moisture rotated in shattering process in coal sample easily overflows, overflow moisture in dehumidified air effect gasified, and flow out broken cavity 1 through screen cloth 51, coal sample has also carried out dry process in shattering process simultaneously, shorten the coal sample processing time, improve operating efficiency, coal sample after dry process also can not blocking crusher, decrease the accident rate of disintegrating machine, improve reliability.。In addition, carry out drying process on coal sample reduction machine, only additionally need arrange screen cloth 51 and dehumidifying mouth 7, structure is simple, does not need additionally to arrange drying equipment, has saved cost; Utilize the feature rotating the moisture in shattering process in coal sample and easily overflow, in shattering process, (in moisture overflow process) carries out drying process simultaneously, and drying effect is good; And the rotation being combined in the hammer of ring in shattering process 2 is to the stirring action of coal sample, dehumidified air fully can contact with coal sample, strengthens drying effect further.
As depicted in figs. 1 and 2, ring hammer 2, in the distribution of circumferential surface even rule, is samely circumferentially uniformly distributed four rings hammers 2.In addition, in Fig. 1 and Fig. 2, feeding gate 5 is made up of screen cloth 51 part and enclosure portion (air, moisture and coal all can not pass in and out), during practical application, feeding gate 5 can entirety be also screen cloth, or also discharge door 6 part can be set to screen cloth 51 or discharge door 6 entirety for screen cloth, or feeding gate 5 and discharge door 6 simultaneously part be set to screen cloth 51 or simultaneously overall be screen cloth 51, air and moisture can pass in and out broken cavity 1 through screen cloth 51.In like manner known, also screen cloth 51 can be set at the body wall of broken cavity 1.Entirety is that screen cloth 51 moisture flows out soon, and drying effect is good; Part is when be screen cloth 51 in fragmentation dry run, flows out coal sample dust few, decrease pollution from screen cloth 51.
During practical application, through repetition test, the aperture of screen cloth 51 is that 0.01mm is better, and the coal sample dust in broken dry run cannot flow out from screen cloth 51, preventing pollution, and the spilling moisture of gasification also can flow out disintegrating machine cavity in time, meets dry requirement.
As shown in Figure 1, be also provided with the vibration source entrance 8 that screen cloth 51 is vibrated near screen cloth 51, usually pass into air bubble at vibration source entrance 8, vibration screen 51, clear up the coal sample be bonded on screen cloth 51, prevent the mesh of screen cloth 51 from blocking.
As depicted in figs. 1 and 2, charging aperture 10 connects feeding-passage 3, and vibration source entrance 8 is arranged on the conduit wall of feeding-passage 3.Arrange feeding-passage 3, facilitate coal sample charging, and be placed on feeding-passage 3 by vibration source entrance 8, namely vibration source entrance 8 is placed in above screen cloth 51, and vibration source acts on screen cloth 51 above screen cloth 51, and vibration is comparatively strong, and screen cloth 51 cleaning effect is good.Discharging opening 11 connects tapping channel 4.Broken dried coal sample flows out from tapping channel 4, prevents coal dust from polluting surrounding environment.
During practical operation, the energy that the utility model provides is simultaneously broken and the course of work of the hammer mill of dry coal sample is as follows:
S1. open feeding gate 5, close discharge door 6, add coal sample to be broken in broken cavity 1, close feeding gate 5, discharge door 6 and/or feeding gate 5 are screen cloth 51 at least partly.
S2. the ring in broken cavity 1 hammers 2 into shape under the drive of motor after High Rotation Speed certain hour, then low speed rotation certain hour; In the process of High Rotation Speed and/or low speed rotation, in broken cavity 1, inject the dehumidified air of high temperature through dehumidifying mouth 7, pass into dehumidified air in the process of low speed rotation better.Ring hammers 2 High Rotation Speed certain hours into shape, makes coal sample reduction become small particle diameter, and the moisture in coal sample is hammered into shape in 2 high-speed rotation at ring and overflowed in a large number.Ring plays stirring action when hammering 2 low speed rotation into shape, the dehumidified air of high temperature is now injected to broken cavity 1, namely dehumidify in whipping process, the coal sample of overflowing large quantity of moisture fully contacts with dehumidified air, improve dehumidification rate and the dehumidifying uniformity, take full advantage of the feature that in shattering process, coal sample moisture easily overflows, achieve the drying process to coal sample in shattering process, the coal sample obtained can directly abrasive dust or use, also overcomes existing disintegrating machine in shattering process because moisture overflows the shortcoming easily causing blocking.
S3. open discharge door 6, by fragmentation and dried coal sample send from discharging opening 6, tapping channel 11.
Hammer into shape in 2 High Rotation Speeds and/or low speed rotation process at ring, regularly or sporadically can also inject air bubble to the vibration source entrance 8 near screen cloth 51, clear up the coal sample be bonded on screen cloth 51, prevent screen cloth 51 from blocking.
In general, the time that ring hammers 2 High Rotation Speeds into shape is 30 seconds, and the time of low speed rotation is 30 seconds, and dehumidified air is compressed air, and air mass flow is comparatively large, can lead directly to bottom broken cavity 1, fully contact with the coal sample in broken cavity 1.
The utility model is owing to have employed above technical scheme, there is significant technique effect: when the utility model takes full advantage of hammer crushing crusher machine coal sample, moisture easily overflows this defect, it is transformed, the hammer mill only with crushing function is transformed into the new type crushing machine with the dry dual-use function of fragmentation, broken drying is carried out greatly to reduce drying time simultaneously, increase work efficiency, the input reduced costs.
In addition, it should be noted that, the specific embodiment described in this description, the shape, institute's title of being named etc. of its parts and components can be different.All equivalences of doing according to structure, feature and the principle described in the utility model inventional idea or simple change, be included in the protection domain of the utility model patent.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment; only otherwise depart from structure of the present utility model or surmount this scope as defined in the claims, protection domain of the present utility model all should be belonged to.
Claims (6)
1. the simultaneously broken and hammer mill of dry coal sample of an energy, comprise broken cavity, the built-in main shaft of described broken cavity, described main shaft circumferential surface arranges multiple ring hammer, and described broken cavity is provided with discharging opening and charging aperture, and described charging aperture place is installed into bin gate, described discharge outlet installs discharge door, it is characterized in that, described discharge door and/or feeding gate are screen cloth at least partly, and described broken cavity is also provided with the dehumidifying mouth that at least one injects dehumidified air in broken cavity.
2. according to claim 1 can the simultaneously broken and hammer mill of dry coal sample, it is characterized in that, described feeding gate entirety is screen cloth, or described feeding gate is made up of screen portion and enclosure portion.
3. according to claim 1 and 2 can the simultaneously broken and hammer mill of dry coal sample, it is characterized in that, the aperture of described screen cloth is 0.01mm.
4. according to claim 3 can the simultaneously broken and hammer mill of dry coal sample, it is characterized in that, near described screen cloth, be also provided with the vibration source entrance that screen cloth is vibrated.
5. according to claim 4 can the simultaneously broken and hammer mill of dry coal sample, it is characterized in that, described charging aperture connects feeding-passage, and described vibration source entrance is arranged on feeding-passage.
6. according to claim 5 can the simultaneously broken and hammer mill of dry coal sample, it is characterized in that, described discharging opening connects tapping channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420498877.3U CN204051782U (en) | 2014-09-01 | 2014-09-01 | A kind of can the simultaneously broken and hammer mill of dry coal sample |
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| CN201420498877.3U CN204051782U (en) | 2014-09-01 | 2014-09-01 | A kind of can the simultaneously broken and hammer mill of dry coal sample |
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| CN204051782U true CN204051782U (en) | 2014-12-31 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104226419A (en) * | 2014-09-01 | 2014-12-24 | 华电电力科学研究院 | Hammer crusher capable of simultaneously crushing and drying coal sample and crushing method |
| CN109201174A (en) * | 2018-09-16 | 2019-01-15 | 温丽英 | A kind of detection method, adjusting method and coal pulverizer that coal crushes |
| CN109201175A (en) * | 2018-09-16 | 2019-01-15 | 温丽英 | Coal pulverizer |
| CN111398556A (en) * | 2020-03-19 | 2020-07-10 | 华电电力科学研究院有限公司 | Device and method for determining water loss in coal crushing process |
| US20210156769A1 (en) * | 2019-11-26 | 2021-05-27 | Institute Of Geology And Geophysics, Chinese Academy Of Sciences | Low-energy-consumption in-situ extraction system for lunar rare gas and extraction method |
-
2014
- 2014-09-01 CN CN201420498877.3U patent/CN204051782U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104226419A (en) * | 2014-09-01 | 2014-12-24 | 华电电力科学研究院 | Hammer crusher capable of simultaneously crushing and drying coal sample and crushing method |
| CN109201174A (en) * | 2018-09-16 | 2019-01-15 | 温丽英 | A kind of detection method, adjusting method and coal pulverizer that coal crushes |
| CN109201175A (en) * | 2018-09-16 | 2019-01-15 | 温丽英 | Coal pulverizer |
| CN109201175B (en) * | 2018-09-16 | 2020-11-24 | 义乌市添诚科技有限公司 | Coal pulverizer |
| US20210156769A1 (en) * | 2019-11-26 | 2021-05-27 | Institute Of Geology And Geophysics, Chinese Academy Of Sciences | Low-energy-consumption in-situ extraction system for lunar rare gas and extraction method |
| US11644393B2 (en) * | 2019-11-26 | 2023-05-09 | Institute Of Geology And Geophysics, Chinese Academy Of Sciences | Low-energy-consumption in-situ extraction system for lunar rare gas and extraction method |
| CN111398556A (en) * | 2020-03-19 | 2020-07-10 | 华电电力科学研究院有限公司 | Device and method for determining water loss in coal crushing process |
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