CN104174474A - Sample making crusher with air return passage - Google Patents

Sample making crusher with air return passage Download PDF

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Publication number
CN104174474A
CN104174474A CN201410402901.3A CN201410402901A CN104174474A CN 104174474 A CN104174474 A CN 104174474A CN 201410402901 A CN201410402901 A CN 201410402901A CN 104174474 A CN104174474 A CN 104174474A
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CN
China
Prior art keywords
disposable box
air channel
crushing chamber
return air
crushing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201410402901.3A
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Chinese (zh)
Inventor
朱先德
朱青
任率
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan Sundy Science and Technology Development Co Ltd
Original Assignee
Hunan Sundy Science and Technology Development Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hunan Sundy Science and Technology Development Co Ltd filed Critical Hunan Sundy Science and Technology Development Co Ltd
Priority to CN201410402901.3A priority Critical patent/CN104174474A/en
Publication of CN104174474A publication Critical patent/CN104174474A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a sample making crusher with an air return passage. The sample making crusher comprises a rack, a control assembly and a powder making assembly, wherein the powder making assembly comprises a charging hopper, a crushing knife mechanism, a collection box and a driving member, the charging hopper is located above the crushing knife mechanism, the crushing knife mechanism comprises a crushing chamber and crushing knives mounted in the crushing chamber, the crushing knives are connected with an output terminal of the driving member, the crushing chamber is communicated with the collection box, the air return passage is arranged between the collection box and the charging hopper or crushing chamber, and circulating airflow is formed between the charging hopper and the collection box or between the collection box and the crushing chamber through the air return passage. The sample making crusher has the advantages that the structure is simple and compact, the reliability and accuracy of sample making crushing can be further improved, and the like.

Description

The sample pulverizer with return air channel
Technical field
The present invention is mainly concerned with sample making apparatus field, refers in particular to a kind of sample pulverizer.
Background technology
In numerous technical fields of prior art, all need to carry out the making of sample of material.For example, in the field tests of coal sample, before coal sample is carried out to multiple analysis of experiments, just need to make representative coal charge sample.In manufacturing process, often need coal sample to carry out in advance broken, and then collect, during can not have the loss of sample, can not make sample that some physics or chemical change occur, otherwise will final result of the test be impacted.
In sample making course, what be often used to is sample pulverizer, and it is to utilize crushing cutter to carry out crushing operation to the material of sending into from material bin, and then the material after fragmentation is directly poured in a bottle and is collected.In this process, tend to exist following problem:
1, in the situation that receiving flask is less, due to cutter High Rotation Speed in pulverizing process, the heat of generation can not distribute in time, causes the coal dust excess Temperature that makes, affects quality of pc, even the representativeness of sample is affected.
2, after coal dust enters in bottle, can produce certain air-flow, under the effect of air-flow, the accuracy that the floating impact of coal sample meeting is collected, or taken away by other equipment (as dust collection equipment).And a large amount of existence of air-flow also can have influence on the smoothness of sending into coal charge.
3, under the impact of bottle inner sealing air-flow, on the screen cloth of output section, often there is hanging the problem of powder, need dismounting cleaning coal dust residual, make it be unlikely to stop up screen cloth, coal dust sticks to the problem that also easily produces caking, the contaminated samples that drops on screen cloth for a long time.
Summary of the invention
The technical problem to be solved in the present invention is just: the technical problem existing for prior art, the invention provides a kind of simple and compact for structure, can further improve the sample pulverizer with return air channel that reliability and precision are pulverized in sample preparation.
For solving the problems of the technologies described above, the present invention by the following technical solutions:
A kind of sample pulverizer with return air channel, comprise frame, Control Component and powder process assembly, described powder process assembly includes hopper, crushing knife mechanism, disposable box and actuator, described material bin is positioned at the top of crushing knife mechanism, described crushing knife mechanism comprises crushing chamber and is installed on the crushing knife in crushing chamber, described crushing knife is connected with the output of actuator, described crushing chamber is communicated with disposable box, between described disposable box and material bin or crushing chamber, return air channel is set, by return air channel between material bin and disposable box or disposable box and crushing chamber form circulating current.
As a further improvement on the present invention: described disposable box is the cavity with certain altitude.
As a further improvement on the present invention: more than one vibrations blanking parts are set in described disposable box.
As a further improvement on the present invention: the interface of described disposable box and crushing chamber arranges blanking deflector.
As a further improvement on the present invention: the interface of described disposable box and crushing chamber arranges screen cloth.
As a further improvement on the present invention: the bottom of described disposable box is provided with the bottle that gathers materials.
As a further improvement on the present invention: described disposable box is arranged in ringwise the surrounding of crushing chamber and is communicated with crushing chamber.
As a further improvement on the present invention: the interface of described disposable box and crushing chamber arranges screen cloth.
As a further improvement on the present invention: between the cavity top of described disposable box and the support plate of material bin, sealing is set.
As a further improvement on the present invention: the interface of described disposable box and crushing chamber is arranged at the side of disposable box cavity.
Compared with prior art, the invention has the advantages that: the present invention is connected to form interior circulating current at material bin-disposable box-return air channel or material bin-crushing chamber-return air channel three, and coal dust sedimentation falls into disposable box, subsidence part does not divide the recovery through return air channel to enter pan feeding place, one can reclaim the coal dust in reflux gas, air-flow forms interior circulation, and coal dust does not contact atmosphere, the hermetically sealed design of fuel pulverizing plant, do not leak powder, contaminated air, does not reduce toxic emission, improves working environment; Two, increased area of dissipation, the interior circulating current of formation is also beneficial to heat radiation, has solved due to cutter High Rotation Speed in pulverizing process, and the heat of generation can not distribute in time, causes worth coal dust excess Temperature, affects the problems of quality of pc.Meanwhile, in forming, after circulating current, on screen cloth, will not hang powder, do not need dismounting cleaning coal dust residual, non clogging screen net, has solved the easy powder of hanging on original device screen cloth, stop up screen cloth and cause the abatement of wind, coal dust sticks to the drop problem of contaminated samples of caking on screen cloth for a long time.
Accompanying drawing explanation
Fig. 1 is the structural principle schematic diagram of the embodiment of the present invention 1 when concrete application.
Fig. 2 is the structural principle schematic diagram of the embodiment of the present invention 2 when concrete application.
Marginal data:
1, frame; 2, Control Component; 3, material bin; 4, crushing knife mechanism; 5, disposable box; 6, the bottle that gathers materials; 7, actuator; 8, return air channel; 9, vibrations blanking parts; 10, blanking deflector; 11, screen cloth; 12, support plate; 13, sealing.
The specific embodiment
Below with reference to Figure of description and specific embodiment, the present invention is described in further details.
Embodiment 1: as shown in Figure 1, the sample pulverizer with return air channel of the present invention, comprise frame 1, Control Component 2 and powder process assembly, powder process assembly includes hopper 3, crushing knife mechanism 4, disposable box 5, bottle 6 and actuator 7 gather materials, material bin 3 is positioned at the top of crushing knife mechanism 4, crushing knife mechanism 4 comprises crushing chamber and is installed on the crushing knife in crushing chamber, crushing knife is connected and high speed rotating under the driving of actuator 7 with the output of actuator 7, the material of sending into from material bin 3 (as: coal sample) is carried out to fragmentation, actuator 7 can adopt motor or other actuators according to actual needs.Broken complete material is sent into disposable box 5, utilizes the collection of disposable box 5 and guiding material to be sent into the bottle 6 that gathers materials that is arranged in disposable box 5 bottoms, completes the collection of material.The present invention arranges return air channel 8 between disposable box 5 and material bin 3 or disposable box 5 and crushing chamber, utilize return air channel 8 that material bin 3 is communicated with crushing chamber with disposable box 5 or disposable box 5, be that material bin 3-disposable box 5-return air channel 8 or material bin 3-crushing chamber-return air channel 8 threes form interior circulating current, coal dust sedimentation falls into disposable box 5, and subsidence part is not divided through return air channel 8 and reclaimed again and enter material bin 3 or crushing chamber place.The coal dust that can utilize return air channel 8 to reclaim in reflux gas by return air channel 8, is set, air-flow forms interior circulation, coal dust does not contact atmosphere, and whole fuel pulverizing plant forms hermetically sealed design, does not leak powder, contaminated air, does not reduce toxic emission, improves working environment.Two can also increase area of dissipation by return air channel 8 is set, and the interior circulating current of formation is also beneficial to heat radiation.
In the present embodiment, disposable box 5 is for having the cavity of certain altitude, utilize coal dust from the resedimentation sample that falls.Meanwhile, vibrations blanking parts 9 are further set in disposable box 5, the vibrations that utilize vibrations blanking parts 9 to produce, the coal charge that order sticks on disposable box 5 inwalls all falls, and enters the bottle 6 that gathers materials, thereby improves the precision of sample preparation.
In the present embodiment, at disposable box 5 and the interface of crushing chamber, blanking deflector 10 is set, to complete the cavity that coal sample after fragmentation can fast, all enter into disposable box 5, goes.
In the present embodiment, further at disposable box 5 and the interface of crushing chamber, screen cloth 11 is set, the coal sample of utilizing 11 pairs of screen clothes to enter disposable box 5 is carried out filtering screening one time.
In the present embodiment, between the cavity top of disposable box 5 and the support plate 12 of material bin 3, sealing 13 is set, disposable box 5 is arranged at the side of cavity with the interface of crushing chamber, and then has greatly improved the sealing of disposable box 5.
Embodiment 2: as shown in Figure 2, the structure of the present embodiment and embodiment 1 are basically identical, difference is just: disposable box 5 is arranged in crushing knife mechanism 4 around ringwise, be used for collecting the material after crushing knife mechanism 4 pulverizes, without the bottle 6 final collections that complete material of gathering materials are separately set again.
Below be only the preferred embodiment of the present invention, protection scope of the present invention is also not only confined to above-described embodiment, and all technical schemes belonging under thinking of the present invention all belong to protection scope of the present invention.It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, should be considered as protection scope of the present invention.

Claims (10)

1. a sample pulverizer with return air channel, comprise frame (1), Control Component (2) and powder process assembly, described powder process assembly includes hopper (3), crushing knife mechanism (4), disposable box (5) and actuator (7), described material bin (3) is positioned at the top of crushing knife mechanism (4), described crushing knife mechanism (4) comprises crushing chamber and is installed on the crushing knife in crushing chamber, described crushing knife is connected with the output of actuator (7), described crushing chamber is communicated with disposable box (5), it is characterized in that, between described disposable box (5) and material bin (3) or crushing chamber, return air channel (8) is set, by return air channel (8), between material bin (3) and disposable box (5) or disposable box (5) and crushing chamber, form circulating current.
2. the sample pulverizer with return air channel according to claim 1, is characterized in that, described disposable box (5) is for having the cavity of certain altitude.
3. the sample pulverizer with return air channel according to claim 2, is characterized in that, more than one vibrations blanking parts (9) are set in described disposable box (5).
4. the sample pulverizer with return air channel according to claim 2, is characterized in that, described disposable box (5) arranges blanking deflector (10) with the interface of crushing chamber.
5. the sample pulverizer with return air channel according to claim 2, is characterized in that, described disposable box (5) arranges screen cloth (11) with the interface of crushing chamber.
6. the sample pulverizer with return air channel according to claim 2, is characterized in that, the bottom of described disposable box (5) is provided with the bottle (6) that gathers materials.
7. the sample pulverizer with return air channel according to claim 1, is characterized in that, described disposable box (5) is arranged in ringwise the surrounding of crushing chamber and is communicated with crushing chamber.
8. the sample pulverizer with return air channel according to claim 7, is characterized in that, described disposable box (5) arranges screen cloth (11) with the interface of crushing chamber.
9. according to the sample pulverizer with return air channel described in any one in claim 2~8, it is characterized in that, between the cavity top of described disposable box (5) and the support plate (12) of material bin (3), sealing (13) is set.
10. the sample pulverizer with return air channel according to claim 9, is characterized in that, the interface of described disposable box (5) and crushing chamber is arranged at the side of disposable box (5) cavity.
CN201410402901.3A 2014-08-15 2014-08-15 Sample making crusher with air return passage Pending CN104174474A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410402901.3A CN104174474A (en) 2014-08-15 2014-08-15 Sample making crusher with air return passage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410402901.3A CN104174474A (en) 2014-08-15 2014-08-15 Sample making crusher with air return passage

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CN104174474A true CN104174474A (en) 2014-12-03

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109909031A (en) * 2019-03-13 2019-06-21 北京世纪金图科技有限公司 Multimedia concerning security matters carrier pulverizer

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1419726A (en) * 1973-07-03 1975-12-31 Leonard Light Ind Pty Ltd Vertical spindle pulverisers
JPH04326947A (en) * 1991-04-27 1992-11-16 Satake Eng Co Ltd Apparatus for pulverizing and feeding sample
CN2738888Y (en) * 2004-01-13 2005-11-09 刘德富 Efficient, dust-free vortex disintegrator
CN202343273U (en) * 2011-09-13 2012-07-25 天津市东方天净科技发展有限公司 Ultracentrifugal knife type rotary crushing and grinding machine for analysis and sampling
CN103127991A (en) * 2013-02-02 2013-06-05 中国农业科学院烟草研究所 Grinding miller and grinding method thereof
CN204017957U (en) * 2014-08-15 2014-12-17 湖南三德科技股份有限公司 There is the sample pulverizer of return air channel

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1419726A (en) * 1973-07-03 1975-12-31 Leonard Light Ind Pty Ltd Vertical spindle pulverisers
JPH04326947A (en) * 1991-04-27 1992-11-16 Satake Eng Co Ltd Apparatus for pulverizing and feeding sample
CN2738888Y (en) * 2004-01-13 2005-11-09 刘德富 Efficient, dust-free vortex disintegrator
CN202343273U (en) * 2011-09-13 2012-07-25 天津市东方天净科技发展有限公司 Ultracentrifugal knife type rotary crushing and grinding machine for analysis and sampling
CN103127991A (en) * 2013-02-02 2013-06-05 中国农业科学院烟草研究所 Grinding miller and grinding method thereof
CN204017957U (en) * 2014-08-15 2014-12-17 湖南三德科技股份有限公司 There is the sample pulverizer of return air channel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109909031A (en) * 2019-03-13 2019-06-21 北京世纪金图科技有限公司 Multimedia concerning security matters carrier pulverizer

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Application publication date: 20141203

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