CN209680769U - Cleaner - Google Patents
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- CN209680769U CN209680769U CN201920329333.7U CN201920329333U CN209680769U CN 209680769 U CN209680769 U CN 209680769U CN 201920329333 U CN201920329333 U CN 201920329333U CN 209680769 U CN209680769 U CN 209680769U
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- dust excluding
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Abstract
The utility model provides a kind of cleaner, for being trapped to fugitive dust, cleaner includes the first dust excluding hood, the second dust excluding hood and air extractor, wherein, second dust excluding hood is arranged in the first bleed-off passage limited by the first dust excluding hood, and breathing area breathing area from second bleed-off passage that by second dust excluding hood is limited in inlet of first bleed-off passage in inlet is different；Air extractor is evacuated the first bleed-off passage or the second bleed-off passage for selectable.Cleaner provided by the utility model can select different dust excluding hoods to trap fugitive dust according to different dedusting operating conditions, so that cleaner be made to can adapt to different operating conditions.
Description
Technical field
The utility model relates to dedusting environment friendly technical fields, and in particular, to a kind of cleaner.
Background technique
Currently, according to environmental requirement, need to be generated at fugitive dust in trans-shipment point at home in the transport process of industrial production material
Dust trapping device is set, the fugitive dust of generation is subjected to trapping processing, fugitive dust is avoided further to spread, causes the pollution of environment.
In the prior art, industrial production material is transmitted by belt conveyor, and is generated to be arranged at fugitive dust in trans-shipment point and be removed
Dirt system, dust pelletizing system generally comprise dust excluding hood and air extractor, wherein air extractor is for being evacuated, and and dust excluding hood
Connection, so as to generate negative pressure inside dust excluding hood, dust excluding hood setting at the fugitive dust above, with by the negative pressure in dust excluding hood by fugitive dust
In the fugitive dust sucking dust excluding hood that place generates, so that fugitive dust be made to enter in dust pelletizing system by dust excluding hood, with to turning at far point fugitive dust
Fugitive dust carry out trapping processing.
But in the prior art, a strip-type conveyer needs to convey different materials sometimes, when belt conveyor is defeated
When sending different materials, trans-shipment point generates the fugitive dust generated at fugitive dust also can be different, the fugitive dust property generated due to different material
Difference, also not identical and dust excluding hood size is also not quite similar the air quantity of pumping needed for trans-shipment point, this just needs difference
Dust pelletizing system trapping processing carried out to fugitive dust, and for this transport different material, be same position at fugitive dust, can put
The position of dust excluding hood is also same position, is difficult often to replace dust excluding hood.Therefore, according to different dedusting operating conditions, difference is used
Dust pelletizing system just become those skilled in the art's problem of interest.
Utility model content
The utility model aims to solve at least one of the technical problems existing in the prior art, proposes a kind of dedusting and sets
It is standby, different dust excluding hoods can be selected to trap fugitive dust, to enable cleaner according to different dedusting operating conditions
Adapt to different operating conditions.
A kind of cleaner is provided to realize the purpose of this utility model, for being trapped to fugitive dust, the dedusting
Equipment includes the first dust excluding hood, the second dust excluding hood and air extractor, wherein the second dust excluding hood setting is removed by described first
In the first bleed-off passage that dust hood limits, and first bleed-off passage is in the breathing area of inlet and by second dedusting
It is different to cover breathing area of the second bleed-off passage limited in inlet；
The air extractor is evacuated first bleed-off passage or second bleed-off passage for selectable.
Preferably, second dust excluding hood includes the second cover, is provided on second cover respectively with described the
The ventilation hole that one bleed-off passage is connected with second bleed-off passage, and mobilizable on second cover it is provided with gear
Wind part, the weatherseal can be in the case where the air extractor be evacuated generated pressure effect to first bleed-off passage, fortune
It moves to the position for opening the ventilation hole；Alternatively, in the air extractor to caused by second bleed-off passage pumping
Under pressure effect, move at the position for closing the ventilation hole.
Preferably, first dust excluding hood includes the first cover；Second cover is plate-like, and is arranged described first
On the inner wall of cover, and the internal partial wall of the inner wall of second cover and first cover limits jointly and forms described the
Two bleed-off passages.
Preferably, the ventilation hole is multiple, and the inner wall relative to second cover is uniformly distributed；The weatherseal
Quantity it is identical as the quantity of the ventilation hole, and be arranged correspondingly.
Preferably, there is angle between the axis of the ventilation hole and the axis of first bleed-off passage.
Preferably, the air extractor includes the first exhaust pipe, the second exhaust pipe and aspiration pump, wherein
The inlet end of first exhaust pipe is connect with the outlet of first bleed-off passage, first exhaust pipe
Outlet side connect with the aspiration pump；
The inlet end of second exhaust pipe is connect with the outlet of second bleed-off passage, second exhaust pipe
Outlet side connect with the aspiration pump.
Preferably, the axis of the axis of first bleed-off passage and second bleed-off passage is parallel to each other；Described
Axis of the axis of the axis of one exhaust pipe and second exhaust pipe with first bleed-off passage is parallel to each other.
Preferably, the first on-off valve is provided on first exhaust pipe；It is arranged on second exhaust pipe
There is the second on-off valve；
The aspiration pump is one, and the outlet with the outlet side of first exhaust pipe and the second exhaust pipe simultaneously
End connection；Alternatively, the aspiration pump is two, and respectively with the outlet side of first exhaust pipe and the second exhaust pipe
Outlet side connection.
Preferably, the outlet of first bleed-off passage is located at the top of first cover；Second bleed-off passage
Outlet be located at first cover side.
Preferably, at least two first on-off valves and the second on-off valve are butterfly valve.
The utility model has the following beneficial effects:
Cleaner provided by the utility model, the ventilation by the first bleed-off passage and the second bleed-off passage in inlet
The difference of area and air extractor are to the first bleed-off passage or the second bleed-off passage is selectable is evacuated, and can take out
When device of air is identical to the sucking rate of the first bleed-off passage or the second bleed-off passage, make the first bleed-off passage and the second bleed-off passage
Inlet suction it is different, or in sucking rate difference of the air extractor to the first bleed-off passage or the second bleed-off passage,
Keep the suction of the inlet of the first bleed-off passage and the second bleed-off passage identical, or air extractor to the first bleed-off passage or
When the sucking rate difference of the second bleed-off passage, keep the suction of the inlet of the first bleed-off passage and the second bleed-off passage also different,
To enable cleaner provided by the utility model according to different dedusting operating conditions, select different dust excluding hoods to fugitive dust into
Row trapping, so that cleaner be made to can adapt to different operating conditions.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of cleaner provided by the utility model；
Description of symbols:
The first cover of 11-；The second cover of 12-；The first bleed-off passage of 13-；The second bleed-off passage of 14-；The first exhaust tube of 21-
Road；The second exhaust pipe of 22-；The first on-off valve of 23-；The second on-off valve of 24-；31- weatherseal.
Specific embodiment
To make those skilled in the art more fully understand the technical solution of the utility model, come with reference to the accompanying drawing to this
The cleaner that utility model provides is described in detail.
As shown in Figure 1, the present embodiment provides a kind of cleaner, for trapping to fugitive dust, cleaner includes the
One dust excluding hood, the second dust excluding hood and air extractor, wherein the first pumping limited by the first dust excluding hood is arranged in the second dust excluding hood
In channel 13, and the first bleed-off passage 13 is in the breathing area of inlet and the second bleed-off passage 14 limited by the second dust excluding hood
Breathing area in inlet is different；Air extractor for it is selectable to the first bleed-off passage 13 or the second bleed-off passage 14 into
Row pumping.
Cleaner provided in this embodiment, by the first bleed-off passage 13 and the second bleed-off passage 14 in the logical of inlet
The difference of gas area and air extractor are to the first bleed-off passage 13 or the second bleed-off passage 14 is selectable is evacuated, can
To make 13 He of the first bleed-off passage when sucking rate of the air extractor to the first bleed-off passage 13 or the second bleed-off passage 14 is identical
The suction of the inlet of second bleed-off passage 14 is different, or in air extractor to the first bleed-off passage 13 or the second bleed-off passage
When 14 sucking rate difference, it is identical with the suction of the inlet of the second bleed-off passage 14 to make the first bleed-off passage 13, or taking out
When device of air is to the sucking rate difference of the first bleed-off passage 13 or the second bleed-off passage 14, take out the first bleed-off passage 13 and second
The suction of the inlet in gas channel 14 is also different, to enable cleaner provided in this embodiment according to different dedusting works
Condition selects different dust excluding hoods to trap fugitive dust, so that cleaner be made to can adapt to different operating conditions.
The breathing area with the first bleed-off passage 13 in inlet is greater than the second bleed-off passage 14 in the logical of inlet below
Gas area, to how dust excluding hood being selected to be illustrated under different operating conditions.For example, being converted to energy saving work by nominal situation
Condition can be using energy saving operating condition, that is, be dusted work by lesser sucking rate, in this way when the fugitive dust in material is less
The energy consumed by dedusting can be saved, the dedusting cost of enterprise is reduced, in nominal situation, air extractor is using the first pumping
When measuring and be dusted by the first bleed-off passage 13 to fugitive dust, and being converted to energy saving operating condition, air extractor is then used and first takes out
Tolerance is dusted compared to lesser second sucking rate, is dusted if continuing through the first bleed-off passage 13 to fugitive dust, that
First suction of the channel in inlet of sobbing will be reduced than before, be will lead to fugitive dust in this way and do not caught in time by the first dust excluding hood
Collection, and causes the diffusion of fugitive dust, and if air extractor using the second sucking rate by with the first bleed-off passage 13 in inlet
Breathing area fugitive dust is dusted compared to lesser second bleed-off passage 14, since the second bleed-off passage 14 is in inlet
Breathing area of the breathing area less than the first bleed-off passage 13 in inlet, therefore, suction of second bleed-off passage 14 in inlet
Power will be greater than the first bleed-off passage 13 in the suction of inlet, thus when being dusted using lesser second sucking rate,
By selecting the second bleed-off passage 14 of the second dust excluding hood to be dusted, fugitive dust can also be trapped in time, avoid the expansion of fugitive dust
It dissipates, and the energy consumed by dedusting can also be saved, reduce the dedusting cost of enterprise.
For another example safe operating condition is converted to by nominal situation, when the weight of material reduces, in order to avoid material is by dedusting
Cover trapping, it is necessary to reduce bleed-off passage in the suction of inlet, to prevent material to be inhaled into bleed-off passage, in nominal situation
When, air extractor is dusted fugitive dust by the second bleed-off passage 14 using the first sucking rate, and when being converted to safe operating condition,
Air extractor can continue to be dusted using the first sucking rate, at this point it is possible to use air extractor using the first dust excluding hood
First sucking rate is dusted by the first bleed-off passage 13, and the breathing area due to the first bleed-off passage 13 in inlet is greater than
Second bleed-off passage 14 is in the breathing area of inlet, and therefore, suction of first bleed-off passage 13 in inlet will be less than
Two bleed-off passages 14 avoid material from being inhaled into bleed-off passage in the suction of inlet, to lead to when using same sucking rate
It crosses and the first bleed-off passage 13 of the first dust excluding hood is selected to be dusted, can be avoided material and be inhaled into bleed-off passage.
In the present embodiment, the second dust excluding hood includes the second cover 12, is provided on the second cover 12 respectively with first
The ventilation hole that bleed-off passage 13 is connected with the second bleed-off passage 14, and mobilizable on the second cover 12 it is provided with weatherseal
31, weatherseal 31 it is logical can to move to unlatching in the case where air extractor be evacuated generated pressure effect to the first bleed-off passage 13
At the position of air holes；Alternatively, moving to closing under the effect of pressure caused by being evacuated in air extractor to the second bleed-off passage 14
At the position of ventilation hole.
In the present embodiment, the second dust excluding hood be arranged in the first bleed-off passage 13 limited by the first dust excluding hood, and
Second bleed-off passage 14 defined by second dust excluding hood occupies a part of the first bleed-off passage 13, and such design can subtract
Small first dust excluding hood and the occupied area of the second dust excluding hood, and by weatherseal 31 and be arranged on the second cover 12 respectively with
The ventilation hole that first bleed-off passage 13 is connected with the second bleed-off passage 14 is selecting the first bleed-off passage 13 and the second pumping logical
Switch between road 14.
Specifically, air extractor can be evacuated the first bleed-off passage 13, this is just when selecting the first dust excluding hood dedusting
It can make to generate negative pressure in the first bleed-off passage 13, by the suction of negative pressure, weatherseal 31 is moved at the position for opening ventilation hole,
The second bleed-off passage 14 is set to be connected with the first bleed-off passage 13, that is, the first pumping that the second bleed-off passage 14 is occupied is logical
The a part in road 13 is connected with the first bleed-off passage 13, so that air extractor can lead to when selecting the first dust excluding hood dedusting
The first bleed-off passage 13 is crossed to be dusted, and when selecting the second dust excluding hood dedusting, air extractor can be to the second bleed-off passage 14
It is evacuated, generates negative pressure in the second bleed-off passage 14, by the suction of negative pressure, weatherseal 31, which moves to, closes ventilation hole
At position, the second bleed-off passage 14 and the first bleed-off passage 13 are obstructed, that is, first that the second bleed-off passage 14 is occupied
A part of bleed-off passage 13 and the first bleed-off passage 13 obstruct, so that air extractor is only when selecting the second dust excluding hood dedusting
It is dusted by the second bleed-off passage 14.
In the present embodiment, the first dust excluding hood includes the first cover 11；Second cover 12 is plate-like, and is arranged in the first cover
On the inner wall of body 11, and the internal partial wall of the inner wall of the second cover 12 and the first cover 11 limits the second pumping of formation jointly and leads to
Road 14.Specifically, the second cover 12 of plate is arranged in the first cover 11, and connect with side inner wall in the first cover, thus
The internal partial wall of the inner wall and the first cover 11 that make the second cover 12 limits jointly forms the second bleed-off passage 14.
In the present embodiment, ventilation hole is multiple, and the inner wall relative to the second cover 12 is uniformly distributed；Weatherseal 31
Quantity is identical as the quantity of ventilation hole, and is arranged correspondingly.Specifically, multiple ventilation holes are evenly distributed on the second cover 12
Inner wall on, and multiple corresponding weatherseals 31 of setting identical with the quantity of ventilation hole, multiple weatherseals 31 are in air extractor
First bleed-off passage 13 is evacuated under generated pressure effect, at total movement to the position for opening ventilation hole, so that first
Inlet channel is connected to the second inlet channel, in the case where air extractor is evacuated generated pressure effect to the second bleed-off passage 14,
Total movement obstructs the first inlet channel and the second inlet channel to closing at the position of ventilation hole.
In practical applications, the second cover of plate 12 can be adopted using the form of similar venetian blind type, weatherseal 31
With the form of the blade in similar shutter.
In the present embodiment, there is angle between the axis of ventilation hole and the axis of the first bleed-off passage 13, taken out first
In gas channel 13, gas can be flowed along the direction of the axis of the first bleed-off passage 13, and the axis of ventilation hole and first are evacuated
It is set as that the gas flow of the axis by ventilation hole can be improved with angle between the axis in channel 13, to improve ventilation
The negative pressure that hole goes out, moves under the suction of negative pressure, and can also improve by the gas in ventilation hole convenient for weatherseal 31
Amount, to can be improved the gas flow into the second bleed-off passage 14 when being evacuated to the first bleed-off passage 13.
In the present embodiment, air extractor includes the first exhaust pipe 21, the second exhaust pipe 22 and aspiration pump, wherein
The inlet end of first exhaust pipe 21 is connect with the outlet of the first bleed-off passage 13, the outlet side of the first exhaust pipe 21 and pumping
Pump connection；The inlet end of second exhaust pipe 22 is connect with the outlet of the second bleed-off passage 14, the outlet of the second exhaust pipe 22
End is connect with aspiration pump.
Specifically, aspiration pump is connect by the first exhaust pipe 21 with the first bleed-off passage 13, the pumping that aspiration pump generates
Outlet side through the first exhaust pipe 21 enters in the first exhaust pipe 21, after flowing through the first exhaust pipe 21, takes out through first
The outlet of the inlet end of air pipe 21 and the first bleed-off passage 13 enters in the first bleed-off passage 13, so that air extractor be made to pass through
First exhaust pipe 21 is evacuated the first bleed-off passage 13, and aspiration pump also passes through the second exhaust pipe 22 and the second pumping is logical
Road 14 connects, and the pumping that aspiration pump generates enters in the second exhaust pipe 22 through the outlet side of the second exhaust pipe 22, is flowing through
After second exhaust pipe 22, it is logical that the outlet of inlet end and the second bleed-off passage 14 through the second exhaust pipe 22 enters the second pumping
In road 14, so that air extractor be made to be evacuated by the second exhaust pipe 22 to the second bleed-off passage 14, used by selection
First exhaust pipe 21 or the second exhaust pipe 22 take out the first bleed-off passage 13 or second with realizing that air extractor is selectable
Gas channel 14 is evacuated.
In the present embodiment, the axis of the axis of the first bleed-off passage 13 and the second bleed-off passage 14 is parallel to each other；First
Axis of the axis of the axis of exhaust pipe 21 and the second exhaust pipe 22 with the first bleed-off passage 13 is parallel to each other.Specifically
, the axis of the axis of the first bleed-off passage 13 and the second bleed-off passage 14 is parallel to each other, the axis of the first exhaust pipe 21 with
The axis of first bleed-off passage 13 is parallel to each other, and the axis of the axis of the second bleed-off passage 14 and the second exhaust pipe 22 is mutually flat
Row, such design can make aspiration pump generate pumping flow along a direction, avoid be evacuated the first exhaust pipe 21,
Sinuous flow is generated in second exhaust pipe 22, the first bleed-off passage 13 or the second bleed-off passage 14, and is entered first in pumping and taken out
Behind gas channel 13 or the second bleed-off passage 14, along the axis of the first bleed-off passage 13 or the axis of the second bleed-off passage 14, to
It uniformly spreads the two sides of the axis of the two sides of the axis of one bleed-off passage 13 or the second bleed-off passage 14.
In the present embodiment, the first on-off valve 23 is provided on the first exhaust pipe 21；On the second exhaust pipe 22
It is provided with the second on-off valve 24；Aspiration pump be one, and simultaneously with the outlet side of the first exhaust pipe 21 and the second exhaust pipe
22 outlet side connection；Alternatively, aspiration pump be two, and respectively with the outlet side of the first exhaust pipe 21 and the second exhaust pipe
22 outlet side connection.
When in practical applications, only with an aspiration pump, the sucking rate that aspiration pump generates may be only a kind of, according to not
With dedusting operating condition, opened or closed by the first on-off valve 23 of control or the second on-off valve 24, to select different dedustings
Cover generates different suction, traps to fugitive dust, to make cleaner can adapt to different operating conditions, when using two pumpings
When air pump, the sucking rate that aspiration pump generates identical may be also possible to difference, when sucking rate difference, according to different dedusting works
Condition is opened or closed by the first on-off valve 23 of control or second on-off valve 24, identical to select different dust excluding hoods to generate
Suction, fugitive dust is trapped, it is of course also possible to select different dust excluding hoods to generate different suctions when sucking rate difference
Power traps fugitive dust.
In the present embodiment, the outlet of the first bleed-off passage 13 is located at the top of the first cover 11；Second bleed-off passage 14
Outlet be located at the first cover 11 side.
In the present embodiment, the outlet of the first bleed-off passage 13 and the second bleed-off passage 14 is all located on the first cover 11,
Enter in the first bleed-off passage 13 to avoid the second exhaust pipe 22, influence the air-flow in the first bleed-off passage 13, improves first
The dust removing effects of dust excluding hood.
In the present embodiment, at least two first on-off valves 23 and the second on-off valve 24 are butterfly valve.
In conclusion cleaner provided in this embodiment can select different dedustings according to different dedusting operating conditions
Cover traps fugitive dust, so that cleaner be made to can adapt to different operating conditions.
It is understood that embodiment of above is merely to illustrate that the principles of the present invention and uses exemplary
Embodiment, however the utility model is not limited thereto.For those skilled in the art, this is not being departed from
In the case where the spirit and essence of utility model, various changes and modifications can be made therein, these variations and modifications are also considered as this reality
With novel protection scope.
Claims (10)
1. a kind of cleaner, for being trapped to fugitive dust, which is characterized in that the cleaner include the first dust excluding hood,
Second dust excluding hood and air extractor, wherein the first pumping limited by first dust excluding hood is arranged in second dust excluding hood
In channel, and breathing area of first bleed-off passage in inlet leads to the second pumping limited by second dust excluding hood
Breathing area of the road in inlet is different；
The air extractor is evacuated first bleed-off passage or second bleed-off passage for selectable.
2. cleaner according to claim 1, which is characterized in that second dust excluding hood includes the second cover, in institute
State the ventilation hole for being provided on the second cover and being connected respectively with first bleed-off passage and second bleed-off passage, and
Mobilizable on second cover to be provided with weatherseal, the weatherseal can be in the air extractor to first pumping
Channel is evacuated under generated pressure effect, is moved at the position for opening the ventilation hole；Alternatively, in the air extractor pair
Second bleed-off passage is evacuated under generated pressure effect, is moved at the position for closing the ventilation hole.
3. cleaner according to claim 2, which is characterized in that first dust excluding hood includes the first cover；It is described
Second cover is plate-like, and is arranged on the inner wall of first cover, and the inner wall of second cover and described first
The internal partial wall of cover limits jointly forms second bleed-off passage.
4. cleaner according to claim 3, which is characterized in that the ventilation hole is multiple, and relative to described the
The inner wall of two covers is uniformly distributed；The quantity of the weatherseal is identical as the quantity of the ventilation hole, and is arranged correspondingly.
5. cleaner according to claim 3, which is characterized in that the axis of the ventilation hole and first pumping are logical
There is angle between the axis in road.
6. cleaner according to claim 3, which is characterized in that the air extractor includes the first exhaust pipe, the
Two exhaust pipes and aspiration pump, wherein
The inlet end of first exhaust pipe is connect with the outlet of first bleed-off passage, and first exhaust pipe goes out
Gas end is connect with the aspiration pump；
The inlet end of second exhaust pipe is connect with the outlet of second bleed-off passage, and second exhaust pipe goes out
Gas end is connect with the aspiration pump.
7. cleaner according to claim 6, which is characterized in that the axis of first bleed-off passage and described second
The axis of bleed-off passage is parallel to each other；The axis of the axis of first exhaust pipe and second exhaust pipe with it is described
The axis of first bleed-off passage is parallel to each other.
8. cleaner according to claim 6, which is characterized in that it is logical to be provided with first on first exhaust pipe
Disconnected valve；The second on-off valve is provided on second exhaust pipe；
The aspiration pump is one, and connects simultaneously with the outlet side of first exhaust pipe and the outlet side of the second exhaust pipe
It connects；Alternatively, the aspiration pump is two, and the outlet with the outlet side of first exhaust pipe and the second exhaust pipe respectively
End connection.
9. cleaner according to claim 6, which is characterized in that the outlet of first bleed-off passage is located at described the
The top of one cover；The outlet of second bleed-off passage is located at the side of first cover.
10. cleaner according to claim 8, which is characterized in that at least two first on-off valves and second lead to
Disconnected valve is butterfly valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920329333.7U CN209680769U (en) | 2019-03-15 | 2019-03-15 | Cleaner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920329333.7U CN209680769U (en) | 2019-03-15 | 2019-03-15 | Cleaner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209680769U true CN209680769U (en) | 2019-11-26 |
Family
ID=68604919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920329333.7U Active CN209680769U (en) | 2019-03-15 | 2019-03-15 | Cleaner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209680769U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112387406A (en) * | 2020-10-26 | 2021-02-23 | 江西才智重工机械有限公司 | Environment-friendly ore crusher |
-
2019
- 2019-03-15 CN CN201920329333.7U patent/CN209680769U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112387406A (en) * | 2020-10-26 | 2021-02-23 | 江西才智重工机械有限公司 | Environment-friendly ore crusher |
| CN112387406B (en) * | 2020-10-26 | 2021-11-05 | 江西才智重工机械有限公司 | Environment-friendly ore crusher |
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