CN109433381A - Superheated steam air-flow crushing production line - Google Patents
Superheated steam air-flow crushing production line Download PDFInfo
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- CN109433381A CN109433381A CN201811549561.1A CN201811549561A CN109433381A CN 109433381 A CN109433381 A CN 109433381A CN 201811549561 A CN201811549561 A CN 201811549561A CN 109433381 A CN109433381 A CN 109433381A
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- pipeline
- superheated steam
- bagroom
- air
- cyclone collector
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 239000007789 gas Substances 0.000 claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000002994 raw material Substances 0.000 claims abstract description 9
- 239000003345 natural gas Substances 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 33
- 239000000428 dust Substances 0.000 claims description 7
- 239000012535 impurity Substances 0.000 claims description 5
- 239000000446 fuel Substances 0.000 claims description 2
- 239000002245 particle Substances 0.000 abstract description 6
- 238000009826 distribution Methods 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 239000003570 air Substances 0.000 description 16
- 230000000694 effects Effects 0.000 description 8
- 239000000047 product Substances 0.000 description 7
- 230000009471 action Effects 0.000 description 5
- 239000004744 fabric Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 238000010025 steaming Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005367 electrostatic precipitation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000012716 precipitator Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000008542 thermal sensitivity Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/06—Jet mills
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Disintegrating Or Milling (AREA)
Abstract
The invention proposes a kind of superheated steam air-flow crushing production line, solve the problems, such as in the prior art air-flow crushing low output, energy consumption is high, particle size distribution.The production line includes superheated steam boiler, equipped with the burner for being heated to its internal softening water, is passed through natural gas in burner；Vapor filter is connected to the downstream of superheated steam boiler by pipeline；Crush host, bottom is equipped with annular gas bag, annular gas bag connects vapor filter by pipeline, shut-off valve and pressure gauge are set on the pipeline between annular gas bag and vapor filter, the bottom for crushing host is equipped with multiple nozzles on its interior, opposite two-by-two between nozzle and pass through hose connection annular gas bag；Raw material cabin is connected by feed pipe and crushes host；Cyclone collector, upper part are connected to the top for crushing host by utilidor, and the lower part of cyclone collector is equipped with discharge valve；Bagroom connects cyclone collector by pipeline, and bagroom is also connected with air-introduced machine.
Description
Technical field
The present invention relates to ultra tiny new material production technical field, particularly relate to that a kind of structure is simple, mistake easy to use
Hot steam air-flow crushing production line.
Background technique
Air-flow crushing refers to the high-speed flow generated using compressed gas as driving source, promotes to carry out between particle mutual
The effects of collision, shearing, friction, realize the impact of storeroom, it is fine crushing to achieve the purpose that.Prior art air-flow crushing is the most frequently used
Working media usually have compressed air, nitrogen, inert gas etc., compressed air has that consume is big, crushing effect is poor, gas velocity
Spending defect low, that particle diameter distribution is wide, nitrogen and inert gas, there are preparation process complexity, the drawbacks such as at high cost.
Summary of the invention
The present invention proposes a kind of superheated steam air-flow crushing production line, solve in the prior art air-flow crushing low output,
The problem of energy consumption is high, particle size distribution.
The technical scheme of the present invention is realized as follows: superheated steam air-flow crushing production line, comprising:
Superheated steam boiler, the superheated steam boiler are equipped with the burner for being heated to its internal softening water, institute
It states and is passed through natural gas in burner as fuel；
Vapor filter is connected to the downstream of the superheated steam boiler by pipeline, for being filtered to superheated steam,
Remove impurity present in steam；
Host is crushed, bottom is equipped with annular gas bag, and the annular gas bag connects the vapor filter by pipeline, described
Shut-off valve and pressure gauge are set on the pipeline between annular gas bag and vapor filter, and the bottom for crushing host is equipped with multiple
Nozzle on its interior is opposite two-by-two between the nozzle and be connected to the annular gas bag by hose；
Raw material cabin, the raw material cabin connect the crushing host by feed pipe；
Cyclone collector, upper part is connected to the top for crushing host by utilidor, under the cyclone collector
Portion is equipped with discharge valve；
Bagroom connects the cyclone collector by pipeline, and the bagroom is also connected with air-introduced machine.
As a preferred embodiment, the number of the bagroom is two, the connection of the first bagroom
In the top of the cyclone collector, the second bagroom is connected to the lower part of the cyclone collector；
The lower end of the cyclone collector is equipped with discharge nozzle, and the discharge nozzle is horizontally disposed with and two-way perforation, the cyclone collection
Partial material in device is fallen into the discharge nozzle, and second bagroom connects the discharge nozzle by pipeline.
As a preferred embodiment, the lower end of the cyclone collector is equipped with two dischargings of upper and lower arranged in series
Valve, is alternately opened and closed between discharge valve described in two, and the discharge nozzle is connected at the discharge valve of bottom.
As a preferred embodiment, the air-introduced machine of the first bagroom of connection is sequentially connected electrostatic by pipeline
Cleaner, heat exchanger, the heat exchanger also connect vapor filter by pipeline, and the high temperature that the vapor filter is passed through steams
Vapour exchanges heat in the heat exchanger with the steam that electrostatic dust collection equipment is passed through；
The heat exchanger also passes through pipeline and is connected to the crushing host.
As a preferred embodiment, first bagroom connects air compressor machine gas station by pipeline, it is described
Air compressor machine gas station also passes through pipeline and is connected on two discharge valves of cyclone collector lower end.
As a preferred embodiment, on the pipeline crushed between host and cyclone collector and whirlwind
Bellows device is equipped on pipeline between collector and the first bagroom.
As a preferred embodiment, the pipeline be equipped with multiple thermometers and pressure gauge, the crushing host,
The outside of cyclone collector and the first bagroom is equipped with insulating layer.
As a preferred embodiment, the annular gas bag is equipped with steam trap, the steam trap will by pipeline
Condensed water is automatically drained out collect after be delivered to boiler replenishing water system.
After above-mentioned technical proposal, the beneficial effects of the present invention are: superheated steam air-flow crushing of the invention produces
Line, as power, makes to generate negative pressure in system, steam is run under the action of negative pressure, also with natural gas first with air-introduced machine
For the superheated steam boiler of raw material, softened water is thermally formed vapor, vapor, which is continuously heating to 320-350 DEG C, becomes overheat
Steam, superheated steam enter annular gas bag after the impurity that vapor filter removal wherein contains, pass through dedicated spray through hose
Mouth high speed penetrating crushes in host, due to opposite two-by-two between nozzle, so under the superheated steam effect of high temperature and pressure, from original
Feed bin enters the material for crushing host by high speed impact, head-on collision, friction, realizes and crushes, smashed material is under the action of negative pressure
It is collected in into cyclone collector, wherein the biggish material of partial size is collected from the discharge valve below cyclone collector, partial size
Lesser material is realized from the bagroom connecting with upper part again and is collected.
Two are set by bagroom and is separately connected the upper and lower part of cyclone collector, can satisfy different visitors
Demand of the family to product, for example, being badly in need of product packaging as client can be in air inducing when of less demanding to the particle size of product
Under the action of machine, the material in the discharge nozzle of cyclone collector lower end is collected rapidly in the second bagroom, while being received
While collection, the discharge nozzle of two-way perforation can realize the cooling to material using nature cold wind.And when client needs more granule
When the product of diameter, it can be collected using the first bagroom under the action of air-introduced machine.
Two discharge valves of upper and lower arranged in series are equipped in the lower end of cyclone collector, when needs are under cyclone collector
When holding outside discharging, it is first shut off the discharge valve of lower section, the discharge valve of top is then opened, at this point, the object in cyclone collector
Material will be fallen between two discharge valves, then turn off the discharge valve of top, open the discharge valve of lower section, and material i.e. can be certainly
It so falls, the closing of cyclone collector can be achieved in whole process, the quality of material has been effectively ensured.
The air-introduced machine of first bagroom is sequentially connected electrostatic dust collection equipment, heat exchanger, steam can got rid of
In impurity after realize and high-temperature steam between heat exchange, this part heat exchange after steam enter crush host in may be implemented
To the gas source supplement for crushing host, prevent from causing the problem of crushing hostdown because negative pressure is excessively high.
Air compressor machine gas station can not only realize that the deashing of material on cloth bag in the first bagroom is collected, additionally it is possible to rotation
Two discharge valves of wind collector lower end blow material and collect, it is ensured that material collection it is abundant.
Due to the effect of high-temperature steam, the connecting pipe between neighbouring device phenomena such as easily deformation occurs, in order to avoid
Because pipeline deformation has an impact system, which is arranged bellows device on pipeline, can well solve this problem.
On the whole, the present invention has following advantage:
1, ultrahigh speed superheated steam air velocity is high, is 2.2 times of compressed air up to 1200m/s；
2, superheated steam has many advantages, such as that at low cost, critical speed is high, and gas-solid ratio is small, capacity usage ratio is high, crush strength is big, pole
Crush strength and fineness are improved greatly, reaches D50≤0.5 micron using the crushing material fineness of superheated steam airflow pulverization
(by taking aluminium oxide as an example), while yield improves 3 times or more compared to conventional compression air；
3, unique superheated steam and air heat exchanger device preheat production line internal cavity using hot-air, reduce directly
It inputs and generates condensed water caused by superheated steam；
4, due to the conductive characteristic that hydrone has, the electrostatic that crushing material generates in the process is exported by steam, prevents electrostatic poly-
Collection, thoroughly solves the technical problem of thermal sensitivity new material, nano material, the entire production line is in the hot steam circulatory system and equipment
It is run under peripheral heat-insulation system, crushes material holding at specified temperatures, improve production efficiency, while reducing hot steaming
The consume of vapour, has saved the energy, reduces discharge, protects environment；
5, the present invention can use thermoelectric waste gas and boiler waste gas and use after filtering and purification as hot steam gas source, both solve
The problem of exhaust gas of having determined discharge influences environment, while also solving the hot steam source of superheated steam airflow pulverization, accomplish
Secondary exhaust gas increment utilizes, and reaches energy-saving and environment-friendly purpose.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of an embodiment of the present invention；
Fig. 2 is the structural schematic diagram crushed at host in the embodiment；
Fig. 3 is the structural schematic diagram in the embodiment at cyclone collector；
In figure: 1- superheated steam boiler；2- burner；3- natural gas；4- vapor filter；5- crushes host；6- annular gas bag；
7- shut-off valve；8- pressure gauge；9- nozzle；10- raw material cabin；11- feed pipe；12- cyclone collector；13- utilidor；14-
Discharge valve；The first bagroom of 15-；The second bagroom of 16-；17- air-introduced machine；18- discharge nozzle；19- electrostatic precipitation is set
It is standby；20- heat exchanger；21- air compressor machine gas station；22- bellows device；23- steam trap；24- boiler replenishing water system.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment:
As shown in Figure 1, Figure 2 and Fig. 3 is jointly shown, is a kind of embodiment of superheated steam air-flow crushing production line of the present invention, main
Including following sections: superheated steam boiler 1 crushes host 5, cyclone collector 12, the first bagroom 15, the second cloth bag
Dust-precipitator 16 etc., wherein be connected between component and component by utilidor, the power source of whole system is air-introduced machine 17.
Firstly, superheated steam boiler 1 is equipped with the burner 2 for being heated to its internal softening water, the burning
Natural gas 3 is passed through in device 2, superheated steam boiler 1 is connected with boiler replenishing water system 24, for carrying out moisturizing to it at any time.Overheat
Softened water is thermally formed vapor by steam boiler 1, and vapor, which is continuously heating to 320-350 DEG C, becomes superheated steam, and overheat is steamed
The downstream of boiler furnace 1 is connected with vapor filter 4 by pipeline, to be filtered to superheated steam, removes impurity therein.It steams
The downstream of vapour filter 4 is connected with by pipeline and crushes host 5, and the effect for crushing host 5 is to crush to material.Cause
This, is also connected with raw material cabin 10 by feed pipe 11 on crushing host 5, to convey material into feed pipe 11.In powder
Annular gas bag 6 is installed in the bottom of broken host 5, and the annular gas bag 6 connects the vapor filter, the annular gas by pipeline
Shut-off valve 7 and pressure gauge 8 are set on the pipeline between packet 6 and vapor filter 4, and the bottom for crushing host 5 is additionally provided with more
A nozzle 9 on its interior is opposite two-by-two between the nozzle 9 and be connected to the annular gas by hose (not shown)
Packet 6, superheated steam are sprayed at a high speed in crushing host 5 after entering annular gas bag 6, through hose by nozzle 9, due to nozzle 9 it
Between it is opposite two-by-two, so under the superheated steam effect of high temperature and pressure, enter from raw material cabin 10 and crush the material of host 5 and rushed
It hits, clash, rub, shear, realize and crush.Steam trap 23 is additionally provided on annular gas bag 6, the steam trap 23 will by pipeline
Condensed water is automatically drained out collect after be delivered to boiler replenishing water system 24.
Cyclone collector 12 is set in the downstream for crushing host 5,12 top of cyclone collector is connected by utilidor 13
In the top for crushing host 5, be equipped with discharge valve 14 in the lower part of cyclone collector 12, the number of discharge valve 14 be two simultaneously
Upper and lower arranged in series is alternately opened and closed between discharge valve 14 described in two, when needing to unload outward from the lower end of cyclone collector 12
When material, it is first shut off the discharge valve 14 of lower section, the discharge valve 14 of top is then opened, at this point, the material in cyclone collector 12
It will fall between two discharge valves 14, then turn off the discharge valve 14 of top, open the discharge valve 14 of lower section, material is
Meeting nature is fallen, and the closing of cyclone collector 12 can be achieved in whole process, the quality of material has been effectively ensured.
Bagroom there are two being also connected on cyclone collector 12, is the first bagroom 15 and the second cloth respectively
Bag collector 16, wherein the first bagroom 15 is connected to the top of the cyclone collector 12, the second bagroom 16
It is connected to the lower part of the cyclone collector 12, and the first bagroom 15 and the second bagroom 16 are respectively connected with air inducing
Machine 17, the power source as system.
In addition, being equipped with discharge nozzle 18 in the lower end of cyclone collector 12, the discharge nozzle 18 is horizontally disposed with and two-way perforation,
Partial material in the cyclone collector 12 is fallen into the discharge nozzle 18, and second bagroom 16 is connected by pipeline
Connect the discharge nozzle 18.Being badly in need of product packaging as client can be in air-introduced machine 17 when of less demanding to the particle size of product
Under effect, the material in 12 lower end discharge nozzle 18 of cyclone collector is collected rapidly in the second bagroom 16, while
While collection, the discharge nozzle 18 of two-way perforation can realize the cooling to material using nature cold wind.When client's needs are smaller
When the product of partial size, it can be collected using the first bagroom 15 under the action of air-introduced machine 17.
In addition, the first bagroom 15 connects air compressor machine gas station 21 by pipeline, air compressor machine gas station 21 also passes through
Pipeline is connected on two discharge valves 14 of 12 lower end of cyclone collector, and air compressor machine gas station 21 can not only realize the first cloth
The collection of material in bag collector 15, additionally it is possible to blow material to two discharge valves 14 and collect, it is ensured that material collection it is abundant.
Due to the effect of high-temperature steam, the pipeline in system phenomena such as easily deformation occurs, in order to avoid because of pipeline deformation
System is had an impact, the embodiment is on crushing the pipeline between host 5 and cyclone collector 12 and cyclone collector 12
It is respectively provided with bellows device 22 on pipeline between the first bagroom 15, this problem can be well solved.
For the loss for reducing system thermal to the maximum extent, which further includes a heat exchanger 20, connects the first cloth
The air-introduced machine 17 of bag collector 15 is sequentially connected electrostatic dust collection equipment 19, heat exchanger 20 by pipeline, and the heat exchanger 20 is also logical
Piping connects vapor filter 4, the steam that the high-temperature steam and electrostatic dust collection equipment 19 that the vapor filter 4 is passed through are passed through
It exchanges heat in the heat exchanger 20；The heat exchanger 20 is also connected to the crushing host 5 by pipeline, the steaming after heat exchange
Vapour enters the gas source supplement for crushing and being may be implemented in host 5 to host 5 is crushed, and prevents from causing to crush host 5 because negative pressure is excessively high
The problem of failure, while also utilizing the heat of steam in electrostatic dust collection equipment 19.
In order to ensure the safe operation of whole system, which is equipped with multiple thermometers and pressure gauge also on pipeline,
The outside for crushing host 5, cyclone collector 12 and the first bagroom 15 described simultaneously is equipped with insulating layer, to the maximum extent
Reduce the loss of heat.
Generally, superheated steam air-flow crushing of the invention production cable architecture is simple, easy to use, can be effectively real
Now to the crushing of material, there is good practicability.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (8)
1. superheated steam air-flow crushing production line characterized by comprising
Superheated steam boiler, the superheated steam boiler are equipped with the burner for being heated to its internal softening water, institute
It states and is passed through natural gas in burner as fuel；
Vapor filter is connected to the downstream of the superheated steam boiler by pipeline, for being filtered to superheated steam,
Remove impurity present in steam；
Host is crushed, bottom is equipped with annular gas bag, and the annular gas bag connects the vapor filter by pipeline, described
Shut-off valve and pressure gauge are set on the pipeline between annular gas bag and vapor filter, and the bottom for crushing host is equipped with multiple
Nozzle on its interior is opposite two-by-two between the nozzle and be connected to the annular gas bag by hose；
Raw material cabin, the raw material cabin connect the crushing host by feed pipe；
Cyclone collector, upper part is connected to the top for crushing host by utilidor, under the cyclone collector
Portion is equipped with discharge valve；
Bagroom connects the cyclone collector by pipeline, and the bagroom is also connected with air-introduced machine.
2. superheated steam air-flow crushing production line as described in claim 1, it is characterised in that: the number of the bagroom
It is two, the first bagroom is connected to the top of the cyclone collector, and the second bagroom is connected to the whirlwind
The lower part of collector；
The lower end of the cyclone collector is equipped with discharge nozzle, and the discharge nozzle is horizontally disposed with and two-way perforation, the cyclone collection
Partial material in device is fallen into the discharge nozzle, and second bagroom connects the discharge nozzle by pipeline.
3. superheated steam air-flow crushing production line as claimed in claim 2, it is characterised in that: the lower end of the cyclone collector
Two discharge valves equipped with upper and lower arranged in series, are alternately opened and closed between discharge valve described in two, and the discharge nozzle is connected to most
At the discharge valve of lower section.
4. superheated steam air-flow crushing production line as claimed in claim 3, it is characterised in that: the first bagroom of connection
Air-introduced machine is sequentially connected electrostatic dust collection equipment, heat exchanger by pipeline, and the heat exchanger also connects vapor filter by pipeline,
The high-temperature steam that the vapor filter is passed through exchanges heat in the heat exchanger with the steam that electrostatic dust collection equipment is passed through；
The heat exchanger also passes through pipeline and is connected to the crushing host.
5. superheated steam air-flow crushing production line as claimed in claim 3, it is characterised in that: first bagroom is logical
Piping connects air compressor machine gas station, and air compressor machine gas station, which also passes through pipeline and is connected to two of cyclone collector lower end, unloads
Expect on valve.
6. superheated steam air-flow crushing production line as claimed in claim 2, it is characterised in that: the crushing host and whirlwind are received
Bellows device is equipped on pipeline on pipeline between storage and between cyclone collector and the first bagroom.
7. superheated steam air-flow crushing production line as claimed in claim 2, it is characterised in that: the pipeline is equipped with multiple temperature
Table and pressure gauge are spent, the outside for crushing host, cyclone collector and the first bagroom is equipped with insulating layer.
8. superheated steam air-flow crushing production line as described in claim 1, it is characterised in that: the annular gas bag, which is equipped with, to be dredged
Hydrophone, condensed water is automatically drained out by the steam trap by pipeline collect after be delivered to boiler replenishing water system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811549561.1A CN109433381A (en) | 2018-12-18 | 2018-12-18 | Superheated steam air-flow crushing production line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811549561.1A CN109433381A (en) | 2018-12-18 | 2018-12-18 | Superheated steam air-flow crushing production line |
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| CN109433381A true CN109433381A (en) | 2019-03-08 |
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| CN201811549561.1A Pending CN109433381A (en) | 2018-12-18 | 2018-12-18 | Superheated steam air-flow crushing production line |
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| CN106311440A (en) * | 2016-08-30 | 2017-01-11 | 周易 | Airflow crushing unit |
| CN209222315U (en) * | 2018-12-18 | 2019-08-09 | 潍坊正远粉体工程设备有限公司 | Superheated steam air-flow crushing production line |
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Application publication date: 20190308 |
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