CN108263833A - Bucket elevator and the method for controlling bucket elevator airborne dust - Google Patents
Bucket elevator and the method for controlling bucket elevator airborne dust Download PDFInfo
- Publication number
- CN108263833A CN108263833A CN201611260304.7A CN201611260304A CN108263833A CN 108263833 A CN108263833 A CN 108263833A CN 201611260304 A CN201611260304 A CN 201611260304A CN 108263833 A CN108263833 A CN 108263833A
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- Prior art keywords
- channel
- feeding
- bucket elevator
- decompression
- passage
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- 239000000428 dust Substances 0.000 title claims abstract description 64
- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 53
- 230000006837 decompression Effects 0.000 claims abstract description 46
- 238000010079 rubber tapping Methods 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims description 10
- 238000000605 extraction Methods 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 7
- 239000002699 waste material Substances 0.000 abstract description 5
- 238000003912 environmental pollution Methods 0.000 abstract description 4
- 231100000206 health hazard Toxicity 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 5
- 238000012840 feeding operation Methods 0.000 description 5
- 230000002411 adverse Effects 0.000 description 4
- 239000003337 fertilizer Substances 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G45/00—Lubricating, cleaning, or clearing devices
- B65G45/10—Cleaning devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
- Refuse Collection And Transfer (AREA)
Abstract
The invention discloses a kind of bucket elevators, body including being equipped with feeding-passage and tapping channel, it is equipped in the body and submits channel, the channel that submits includes the bottom be connected with the feeding-passage and the top be connected with the tapping channel, channel is submitted described in when material is from the bottom to the top movements and is in positive conveying state, channel is submitted described in when material is moved from the top to the bottom and is in reversed blanking state, it is additionally provided on the body between the bottom and the top and submits channel conductive with described and channel decompression can be submitted to described to absorb the decompression dedusting channel of airborne dust when material is in the reversed blanking state.The bucket elevator under the premise of normal pan feeding is not influenced, can fundamentally comprehensively solve airborne dust problem, avoid material waste and health hazard and environmental pollution because caused by feeding-passage generates airborne dust outward.The invention also discloses a kind of methods for controlling bucket elevator airborne dust.
Description
Technical field
The present invention relates to material transferring field more particularly to a kind of it is particularly suitable for playing conveying in composite heat transfer
Bucket elevator and the method for controlling bucket elevator airborne dust.
Background technology
In composite heat transfer, particularly in high tower compound fertilizer production, bucket elevator is for promoting composite fertilizer material
One of capital equipment, compared with other transmission devices, have lifting capacity big, move low, simple in structure, the cheap spy of consumption
Point.
In high tower compound fertilizer production, it is often necessary to after height of the bucket elevator material lifting to up to a hundred meters,
Material is poured into dump tank again.Due to usually having certain interval between dump tank and the bin outlet of bucket elevator, therefore
Material is it is not possible that completely into dump tank, so as to produce blanking.It can usually make to lean on from the material under up to a hundred meters of placement in height
The material at nearly bucket elevator machine bottom is flown upward from feeding-passage, on the one hand can be had an adverse effect to feeding operations, another
Aspect can also generate a large amount of airborne dusts, cause material waste, and seriously endanger health or even cause serious environment dirty
Dye.
In order to solve the above-mentioned technical problem, those skilled in the art are it is contemplated that the feed inlet in bucket elevator is set
Dust cover is put, it, can not be in the premise for not influencing feeding operations although such structure can play the role of centainly reducing airborne dust
Under fundamentally solve the problems, such as airborne dust.
Invention content
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, providing a kind of can preferably solve the problems, such as airborne dust
Bucket elevator.
In order to solve the above-mentioned technical problem, bucket elevator of the invention the technical solution adopted is that：
Bucket elevator, the body including being equipped with feeding-passage and tapping channel, interior be equipped with of the body submit channel, institute
It states and submits channel and include the bottom be connected with the feeding-passage and the top be connected with the tapping channel, material is from described
Bottom is in positive conveying state to channel is submitted described in during the top movements, and material is moved from the top to the bottom
Shi Suoshu submits channel and is in reversed blanking state, is additionally provided on the body between the bottom and the top and institute
It states and submits channel conductive and the channel that submits can be depressured to absorb airborne dust when material is in the reversed blanking state
It is depressured dedusting channel.
Specifically, the decompression dedusting channel include with the decompression dust flue for submitting channel conductive and with the drop
Press the dust-extraction unit of dust flue connection.
Further, the decompression dust flue is equipped with control valve, when material is in the positive conveying state, institute
Control valve is stated to close or at least close in partial period always, and when material is in the reversed blanking state, the control
Valve opening processed.
Further, the decompression dust flue includes the first pipeline section being connect with the body, connects with first pipeline section
The third pipeline section of the second pipeline section for connecing and connection second pipeline section and the dust-extraction unit, wherein, first pipeline section from
The body position starts have descending caliber, and second pipeline section, which has, is less than first pipeline section and third
The caliber of pipeline section.
Preferably, the spacing between the decompression dedusting channel and bottom is 3~10 meters.
Further, the feeding-passage includes feed pipe and the sealing feeder being connected with the feed pipe.
Further, the sealing feeder include surrounding and spaced feeding blade and with the feeding blade
Connected driving mechanism, the feeding blade rotate feeding under the driving of the driving mechanism by setting speed.
Further, the feed pipe has the feed inlet connected with the sealing feeder and submits channel with described
The discharge port of connection, the size of the discharge port are less than the size of the feed inlet.
Preferably, the feeding-passage is obliquely installed relative to the channel that submits towards the direction far from the bottom.
Further, the decompression dedusting channel submits channel also towards the direction inclination far from the bottom relative to described
Setting, and the decompression dedusting channel has the angle of inclination more than the feeding-passage.
Based on above-mentioned technical proposal, bucket elevator of the invention at least has the advantages that：
The bucket elevator of the present invention is depressured dedusting channel by setting, and being first can be during reversed blanking
Play certain dustproof function；Secondly, moreover it is possible to the pressure of channel, corresponding gas produced by reducing reversed blanking are submitted by reducing
On the one hand the pressure of stream can slow down the speed of material landing, it is avoided to cause due to impact force is larger when dropping down onto bottom accordingly
It submits channel interior to form airborne dust and further discharge from feeding-passage, it is to be conveyed on the other hand can also fundamentally to solve bottom
Material by stream pressure influenced and formed airborne dust and from feeding-passage discharge；In addition, for submitting raising of having been formed in channel
Decompression dedusting channel can also be used for dirt to be absorbed；It can be seen that the bucket elevator of the present invention not only will not be to charging
The feeding operations of channel have an adverse effect, moreover it is possible to fundamentally comprehensively solve airborne dust problem, avoid material waste and because into
Material channel generates health hazard caused by airborne dust and environmental pollution outward.
The present invention also provides a kind of method for controlling bucket elevator airborne dust, the bucket elevator includes being equipped with charging
The body of channel and tapping channel, interior be equipped with of the body submit channel, and the channel that submits includes leading with the feeding-passage
Logical bottom and the top be connected with the tapping channel, submit logical described in when material is from the bottom to the top movements
Road is in positive conveying state, and channel is submitted described in when material is moved from the top to the bottom and is in reversed blanking shape
State, this method are set and the decompression for submitting channel conductive on the body first between the bottom and the top
Secondly dedusting channel drops the channel that submits by the decompression dedusting channel when material is in the reversed blanking state
It presses to absorb airborne dust.
Based on above-mentioned technical proposal, the method for control bucket elevator airborne dust of the invention, step is simple, and decompression is taken to remove
The method of dirt will not only have an adverse effect to the feeding operations of feeding-passage, moreover it is possible to which fundamentally comprehensively solve airborne dust is asked
Topic, avoids material waste and health hazard and environmental pollution because caused by feeding-passage generates airborne dust outward.
Description of the drawings
Fig. 1 is a kind of structure diagram of bucket elevator provided in an embodiment of the present invention.
Specific embodiment
In order to which technical problems, technical solutions and advantageous effects to be solved by the present invention are more clearly understood, below in conjunction with
Accompanying drawings and embodiments, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention.
It should be noted that when element is referred to as on " being fixed on " or " being set on " another element, it can directly exist
On another element or it may be simultaneously present centering elements.When an element is known as " connection " another element, it can
To be to be directly connected to another element or may be simultaneously present centering elements.
Only it is relative concept or with production each other it should also be noted that, the orientation term such as upper and lower in following embodiment
The normal operating condition of product is reference, and be should not be regarded as restrictive.
As shown in Figure 1, bucket elevator provided in an embodiment of the present invention, including being equipped with feeding-passage 300 and tapping channel
200 body 100, interior be equipped with of body 100 submit channel 400, submit channel 400 and include the bottom be connected with feeding-passage 300
410 and the top 420 that is connected with tapping channel 200, material submits channel 400 when being moved from bottom 410 to top 420 and is in
Positive conveying state (as shown in filled arrows in Fig. 1), material submit channel 400 when being moved from top 420 to bottom 410 and are in
Reversed blanking state, is additionally provided with and submits the conducting of channel 400 on the body 100 between bottom 410 and top 420 and can be in object
It is depressured to submitting channel 400 when material is in reversed blanking state and is removed with the decompression for absorbing airborne dust (as shown in hollow arrow in Fig. 1)
Dirt channel 500.
Corresponding with above-mentioned bucket elevator, the embodiment of the present invention additionally provides a kind of side for controlling bucket elevator airborne dust
Method, the body 100 including being equipped with feeding-passage 300 and tapping channel 200, interior be equipped with of body 100 submit channel 400, submit logical
Road 400 includes the bottom 410 be connected with feeding-passage 300 and the top 420 be connected with tapping channel 200, and material is from bottom
410 submit channel 400 when being moved to top 420 is in positive conveying state, and material carries when being moved from top 420 to bottom 410
Channel 400 is sent to be in reversed blanking state, this method sets and carries on the body 100 first between bottom 410 and top 420
The decompression dedusting channel 500 that channel 400 is sent to be connected, secondly when material is in reversed blanking state by being depressured dedusting channel
500 pairs submit channel 400 and are depressured to absorb airborne dust.
Dedusting channel 500 is depressured by setting, is that can play certain dedusting during reversed blanking to make first
With；Secondly, moreover it is possible to the pressure of channel 400 is submitted by reducing, the pressure of air-flow, a side produced by corresponding reduction reversed blanking
Face can slow down the speed of material landing accordingly, it is avoided to cause due to impact force is larger when dropping down onto bottom 410 and submits channel 400
Inside forms airborne dust and is further discharged from feeding-passage 300, on the other hand can also fundamentally solve 410 material to be transported of bottom
Expect to be influenced by stream pressure and form airborne dust and discharge from feeding-passage 300；In addition, it is formed for submitting in channel 400
Decompression dedusting channel 500 can also be used for airborne dust to be absorbed；The bucket elevator normally enters not influencing feeding-passage 300
Under the premise of material, moreover it is possible to which fundamentally comprehensively solve airborne dust problem avoids material waste and because feeding-passage 300 generates outward
Health hazard caused by airborne dust and environmental pollution.
Specifically, in an embodiment of the present invention, decompression dedusting channel 500 includes the decompression with submitting the conducting of channel 400
Dust flue and the dust-extraction unit 520 being connect with decompression dust flue.I.e. dust-extraction unit 520 is the part as bucket elevator
And it is existing, be conducive to improve the convenience used.
Further, decompression dust flue is equipped with control valve 530, when material is in positive conveying state, control valve
530 close or are at least closed in partial period always, and when material is in reversed blanking state, control valve 530 is opened.It is logical
Cross the switching to control valve 530, both can ensure that positive conveying can not by decompression dedusting channel 500 decompression interfere and stablize into
Row, and can achieve the purpose that be depressured dedusting in reversed blanking, the energy for bucket elevator operating on the one hand can be saved, it is another
Aspect, which is also avoided that, to be submitted the disorder of 400 interior air-flow of channel and conveying and dedusting is adversely affected.Wherein, control valve
530 at least refer to material in positive conveying state between top 420 and control valve 530 in partial period closing and
When spacing is larger between control valve 530, you can closing control valve 530, it in this way can be further energy saving.Dust-extraction unit
520 can be common bag filter or cyclone dust collectors etc..
In addition, in practical application, corresponding control valve 530 can also be set on dust-extraction unit 520 to reach drop
Press the purpose of dedusting.
Further, in an embodiment of the present invention, decompression dust flue include connect with body 100 the first pipeline section 511,
The second pipeline section 512 and the third pipeline section 513 of the second pipeline section of connection 512 and dust-extraction unit 520 being connect with the first pipeline section 511,
Wherein, the first pipeline section 511 has a descending caliber since 100 position of body, and the second pipeline section 512, which has, is less than the
The caliber of one pipeline section 511 and third pipeline section 513.Such structure can be such that the air-flow for entering decompression dust flue becomes again from the coarse to fine
Slightly, it can have the function that accelerate air velocity, on the one hand can accelerate and the material dust submitted in channel 400 is promoted to enter decompression
On the other hand dust flue can also form " low pressure " region in the rear side of decompression dust flue, while decompression purpose is reached,
The power consumption generated due to decompression is advantageously reduced, it is energy saving to greatest extent, there are better economic interests.
By taking high tower compound fertilizer produces as an example, the overall height of usually used bucket elevator is about 100~120 meters,
And in order to ensure that 300 feeding of feeding-passage is convenient, the spacing between feeding-passage 300 and bottom 410 is usually less than 1 meter；Through
It crosses after applicant of the present invention repeatedly tests and learns, the spacing between decompression dedusting channel 500 and bottom 410 is 3~10 meters, and
Further preferably 7 meters.In the spacing range, dedusting channel 500 is depressured to solving the problems, such as that airborne dust has optimum efficiency, and
Less energy intensive.Above-mentioned spacing refers to decompression dedusting channel 500 and submits the spacing between 400 junction of channel and bottom 410.
Further, in practical application, can also be arranged at intervals multiple decompression dedusting channels on body 100 as needed
500, further to improve airborne dust.
Further, in an embodiment of the present invention, feeding-passage 300 include feed pipe 310 and with 310 phase of feed pipe
Sealing feeder 320 even.Using sealing feeder 320 can further avoid bottom 410 generate airborne dust and from feeding-passage 300
Discharge.
Further, in an embodiment of the present invention, sealing feeder 320 includes circular and spaced feeding blade
321 and the driving mechanism (not shown) that is connected with feeding blade 321, feeding blade 321 is under the driving of driving mechanism by setting
Determine rotating speed rotation feeding.Not only feeding efficiency is higher for such rotary feeding structure, moreover it is possible to one of barrier is formed in spout,
Have the function that prevent airborne dust.The rotating speed of feeding blade 321 should be appropriate, is ensuring that the same of the material of enough conveyings is arranged at bottom 410
When, it is too fast and cause 410 buildup of bottom excessive and accordingly aggravate airborne dust to generate to should also be avoided 321 rotating speed of feeding blade.
Further, in an embodiment of the present invention, feed pipe 310 has the feed inlet connected with sealing feeder 320
311 and the discharge port 312 that is connected with submitting channel 400, the size of discharge port 312 be less than the size of feed inlet 311.It is such
Structure can play the role of mitigation of gases flow velocity, i.e., to submitting in channel 400 because the material dust generated during reversed blanking plays
Certain inhibition, so as to which feed inlet 311 preferably be avoided to generate airborne dust.
Preferably, feeding-passage 300 is obliquely installed relative to channel 400 is submitted towards the direction far from bottom 410.Inclination is set
300 one side of feeding-passage put is conducive to material and enters bottom 410, on the other hand can be to raising when bottom 410 generates airborne dust
Dust and gas stream plays preferable cushioning effect, that is, is conducive to that material dust is hindered to discharge outward from feeding-passage 300.
Further, in an embodiment of the present invention, decompression dedusting channel 500 is relative to submitting channel 400 also towards separate
The direction of bottom 410 is obliquely installed, and is depressured dedusting channel 500 with the angle of inclination more than feeding-passage 300.Specifically at this
In embodiment, the first pipeline section 511 for being depressured dust flue has the angle of inclination for being more than feed pipe 310.Such structure is ensureing
While material dust is introduced into decompression dedusting channel 500, also helps a small amount of material dust and be in decompression dedusting channel 500
It can be dropped back into from decompression dust flue due to gravity when closed state and submit channel 400.
Preferably, the feed pipe 310 of feeding-passage 300 is 25~35 ° relative to the angle of inclination of channel 400 is submitted, and
Further preferably 30 °, to hindering airborne dust with optimum efficiency while being conducive to feeding operations.
Specifically in an embodiment of the present invention, decompression dedusting channel 500 and feeding-passage 300 are located at the same of body 100
Side.
It is for example passed it should be noted that bucket elevator is further included in practical application set on the chain submitted in channel 400
Dynamic or tape handler (not shown) and the power-equipment (not shown) that is connect with transmission mechanism etc., these are all existing
It is common in bucket elevator, therefore corresponding existing technology can be used to realize that it is not described here in detail.
The foregoing is merely a prefered embodiment of the invention, is not intended to limit the invention, it is all the present invention spirit and
All any modification, equivalent and improvement made within principle etc., should all be included in the protection scope of the present invention.
Claims (10)
1. bucket elevator, it is characterised in that：Body including being equipped with feeding-passage and tapping channel, interior be equipped with of the body carry
Channel is sent, the channel that submits includes the bottom be connected with the feeding-passage and the top be connected with the tapping channel,
Channel is submitted described in when material is from the bottom to the top movements and is in positive conveying state, material is from the top to institute
Channel is submitted described in when stating bottom movement and is in reversed blanking state, on the body between the bottom and the top
Be additionally provided with it is described submit channel conductive and can when material is in the reversed blanking state to it is described submit channel decompression with
Absorb the decompression dedusting channel of airborne dust.
2. bucket elevator as described in claim 1, it is characterised in that：The decompression dedusting channel include with it is described submit it is logical
The decompression dust flue of road conducting and the dust-extraction unit being connect with the decompression dust flue.
3. bucket elevator as claimed in claim 2, it is characterised in that：The decompression dust flue is equipped with control valve,
When material is in the positive conveying state, the control valve is closed or is at least closed in partial period always, and in material
During in the reversed blanking state, the control valve is opened.
4. bucket elevator as claimed in claim 2, it is characterised in that：The decompression dust flue includes connecting with the body
The first pipeline section, the second pipeline section for being connect with first pipeline section and connection second pipeline section and the dust-extraction unit the
Three pipeline sections, wherein, first pipeline section has descending caliber, second pipeline section since the body position
With the caliber less than first pipeline section and third pipeline section.
5. bucket elevator as described in claim 1, it is characterised in that：Between the decompression dedusting channel and the bottom
Spacing is 3~10 meters.
6. bucket elevator as described in claim 1, it is characterised in that：The feeding-passage include feed pipe and with it is described
The sealing feeder that feed pipe is connected.
7. bucket elevator as claimed in claim 6, it is characterised in that：The sealing feeder includes surrounding and be arranged at intervals
Feeding blade and the driving mechanism that is connected with the feeding blade, the feeding blade is under the driving of the driving mechanism
Feeding is rotated by setting speed.
8. bucket elevator as claimed in claim 6, it is characterised in that：The feed pipe has to be connected with the sealing feeder
Logical feed inlet and with the discharge port for submitting channel and connecting, the size of the discharge port is less than the ruler of the feed inlet
It is very little.
9. the bucket elevator as described in one of claim 1 to 8, it is characterised in that：The feeding-passage is carried relative to described
Channel is sent to be obliquely installed towards the direction far from the bottom.
10. controlling the method for bucket elevator airborne dust, the bucket elevator includes the machine equipped with feeding-passage and tapping channel
Body is equipped in the body and submits channel, it is described submit channel include the bottom be connected with the feeding-passage and with it is described
The top of tapping channel conducting submits channel and is in positive conveying shape described in when material is from the bottom to the top movements
State submits channel and is in reversed blanking state described in when material is moved from the top to the bottom, it is characterised in that：The party
Method is set on the body first between the bottom and the top leads to the decompression dedusting for submitting channel conductive
Secondly road is depressured to inhale by the decompression dedusting channel when material is in the reversed blanking state to the channel that submits
Receive airborne dust.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611260304.7A CN108263833B (en) | 2016-12-30 | 2016-12-30 | Bucket elevator and method for controlling dust raising of bucket elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611260304.7A CN108263833B (en) | 2016-12-30 | 2016-12-30 | Bucket elevator and method for controlling dust raising of bucket elevator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108263833A true CN108263833A (en) | 2018-07-10 |
| CN108263833B CN108263833B (en) | 2024-01-05 |
Family
ID=62753732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611260304.7A Active CN108263833B (en) | 2016-12-30 | 2016-12-30 | Bucket elevator and method for controlling dust raising of bucket elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108263833B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0369342A1 (en) * | 1988-11-12 | 1990-05-23 | Hokoku Kogyo Co. Ltd. | Dust eliminator of a bucket elevator |
| CN2060813U (en) * | 1989-05-04 | 1990-08-22 | 水利电力部第七工程局第七工程处 | Multi-placement dust extractor for hidden hole drilling |
| JP2012158452A (en) * | 2011-02-02 | 2012-08-23 | Kubota Corp | Grain carrying machine |
| CN102862781A (en) * | 2012-09-27 | 2013-01-09 | 徐州天地重型机械制造有限公司 | Dust removing device and method of bucket type lifter |
| CN203869814U (en) * | 2014-05-13 | 2014-10-08 | 安徽孟凌精密电子有限公司 | Workpiece pressurizing insulation can |
| CN204751268U (en) * | 2015-04-17 | 2015-11-11 | 汪益廷 | A promote conveyer for production of living beings pellet fuel |
| CN206437560U (en) * | 2016-12-30 | 2017-08-25 | 贵港市芭田生态有限公司 | Bucket elevator |
-
2016
- 2016-12-30 CN CN201611260304.7A patent/CN108263833B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0369342A1 (en) * | 1988-11-12 | 1990-05-23 | Hokoku Kogyo Co. Ltd. | Dust eliminator of a bucket elevator |
| CN2060813U (en) * | 1989-05-04 | 1990-08-22 | 水利电力部第七工程局第七工程处 | Multi-placement dust extractor for hidden hole drilling |
| JP2012158452A (en) * | 2011-02-02 | 2012-08-23 | Kubota Corp | Grain carrying machine |
| CN102862781A (en) * | 2012-09-27 | 2013-01-09 | 徐州天地重型机械制造有限公司 | Dust removing device and method of bucket type lifter |
| CN203869814U (en) * | 2014-05-13 | 2014-10-08 | 安徽孟凌精密电子有限公司 | Workpiece pressurizing insulation can |
| CN204751268U (en) * | 2015-04-17 | 2015-11-11 | 汪益廷 | A promote conveyer for production of living beings pellet fuel |
| CN206437560U (en) * | 2016-12-30 | 2017-08-25 | 贵港市芭田生态有限公司 | Bucket elevator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108263833B (en) | 2024-01-05 |
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