CN109289708A - A kind of concrete accelerator raw material calcining and grinding device - Google Patents
A kind of concrete accelerator raw material calcining and grinding device Download PDFInfo
- Publication number
- CN109289708A CN109289708A CN201811353396.2A CN201811353396A CN109289708A CN 109289708 A CN109289708 A CN 109289708A CN 201811353396 A CN201811353396 A CN 201811353396A CN 109289708 A CN109289708 A CN 109289708A
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- Prior art keywords
- grinding
- fixedly installed
- raw material
- calcining
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000000227 grinding Methods 0.000 title claims abstract description 92
- 238000001354 calcination Methods 0.000 title claims abstract description 57
- 239000002994 raw material Substances 0.000 title claims abstract description 36
- 239000004567 concrete Substances 0.000 title claims abstract description 22
- 238000000605 extraction Methods 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 11
- 229910052799 carbon Inorganic materials 0.000 claims description 11
- 239000007921 spray Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 2
- 230000009467 reduction Effects 0.000 abstract description 2
- 239000000428 dust Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 3
- 239000003500 flue dust Substances 0.000 description 3
- 239000003595 mist Substances 0.000 description 3
- 238000005054 agglomeration Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011378 shotcrete Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J6/00—Heat treatments such as Calcining; Fusing ; Pyrolysis
- B01J6/001—Calcining
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
Abstract
The invention discloses a kind of concrete accelerator raw material calcining and grinding devices, including grinding device ontology and calcination device noumenon, the upper end of the calcination device noumenon is fixedly installed with feeding device by fixed link, the upper end of the feeding device is fixedly installed with hopper, the bottom of the feeding device is connected to by feeder pipe with calcination device noumenon, the bottom of the turntable is fixedly installed with support rod, fixing sleeve is connected to worm gear on the support rod, the side engagement of the worm gear is connected with worm screw, the lower end of the support rod is rotatablely installed in bearing block, the grinding device ontology includes the first grinding chamber and the second grinding chamber, dust-extraction unit is fixedly installed on second grinding chamber.The present invention can carry out grinding pretreatment, while can be stirred during calcining to raw material, avoid agglomerating by the raw material calcining and grinding device, be convenient for subsequent grinding operations, improve grinding efficiency, and reduction is endangered caused by environment and worker.
Description
Technical field
The invention belongs to concrete accelerator technical fields, and in particular to a kind of concrete accelerator raw material calcining and grinding dress
It sets.
Background technique
Accelerator is the additive for hardening cement concrete rapid condensation.Accelerator be mainly used in gunite concrete and
In spray furnace engineering, their effect is the hydration and hardening for accelerating cement, forms enough intensity in a short period of time, with
Guarantee the requirement of special construction.With economic development and technological progress, the use scope of accelerator is more and more wider, in underground work
Journey, Tunnel Engineering, embankment slope reinforcing, leak stopping Hydraulic Projects, slipform process construction, road rapid repair, combined bolting and shotcrete etc., it is a large amount of to use
Rapid hardening fast hard technology.Accelerator causes the attention of various countries engineers and technicians with its unique effect, flexible adaptability.
But existing concrete accelerator raw material calcining and grinding device is when in use, due to that cannot be ground to raw material
Mill pretreatment unevenly causes to agglomerate in calcining vulnerable to hot, brings inconvenience to subsequent discharging, while slowing down the device of grinding
Grinding efficiency, and dust can be generated during grinding and calcining, can caused damages to environment and worker.
For this purpose, it is proposed that a kind of concrete accelerator raw material calcining and grinding device solves existing in the prior art ask
Topic, allows to carry out raw material grinding pretreatment, while can be stirred during calcining, avoids agglomerating, be convenient for
Subsequent grinding operations, improve grinding efficiency, and reduction is endangered caused by environment and worker.
Summary of the invention
The purpose of the present invention is to provide a kind of concrete accelerator raw material calcining and grinding devices, to solve above-mentioned background skill
It proposes not can be carried out grinding pretreatment in art, uneven heating is even, causes to agglomerate, and reduces grinding efficiency, causes environment and worker
The problem of endangering.
To achieve the above object, present invention employs following technical solutions: a kind of concrete accelerator raw material calcining and grinding
Device, including grinding device ontology and calcination device noumenon, the upper end of the calcination device noumenon are fixedly mounted by fixed link
There is feeding device, the upper end of the feeding device is fixedly installed with hopper, and the bottom of the feeding device passes through feeder pipe and forging
Device noumenon connection is burnt, the calciner plant ontology includes calcining compartment, incineration dish and flame gun, the upper end inside the calcining compartment
It is fixedly installed with connecting rod, paddle is fixedly installed in the connecting rod, the paddle is located at the inside of incineration dish, described
The bottom of incineration dish is fixedly installed with turntable, and the bottom of the turntable is fixedly installed with support rod, fixing sleeve on the support rod
It is connected to worm gear, the side engagement of the worm gear is connected with worm screw, and the lower end rotational installation of the support rod is described in bearing block
Bearing block is fixedly installed on bracket, and the grinding device ontology includes the first grinding chamber and the second grinding chamber, and described second grinds
Dust-extraction unit is fixedly installed on mill chamber.
Preferably, the dust-extraction unit includes negative-pressure air fan, air inlet pipe and an air outlet pipe, the side of second grinding chamber
Be respectively communicated with air inlet pipe and an air outlet pipe, one end of the escape pipe is fixedly installed at the air inlet of negative-pressure air fan, it is described go out
The inside of tracheae and air inlet pipe is mounted on strainer and active carbon net, and the side of the escape pipe is communicated with water inlet pipe and drop respectively
Dirt pipe, the water outlet of the water inlet pipe are threaded with atomizer, and one end of the water inlet pipe is communicated with water tank, it is described into
Valve is provided on water pipe.
Preferably, valve and exhaust pipe are provided on the feeder pipe, the exhaust pipe is located at the lower section of valve, the row
The inside of tracheae is fixedly installed with strainer and active carbon net.
Preferably, one end of the flame gun is fixedly installed in the inside of calcining compartment, and the flame gun is located at incineration dish
Side.
Preferably, one end of the worm screw is fixedly installed in the rotation axis of servo motor.
Preferably, the inside of first grinding chamber is equipped with crushing wheel, and the inside of second grinding chamber, which is equipped with, grinds
Roller bearing is ground, the lower end of first grinding chamber is connected to by drainage conduit with the upper end of the second grinding chamber.
Preferably, feeding device includes shell and spiral conveying bar, the spiral conveying bar by bearing be rotatablely installed in
The bottom of the inside of shell, the shell is connected to feeder pipe, and the bottom of the shell is fixedly installed in calcining by fixed link
In device noumenon.
Preferably, the calciner plant ontology is fixedly installed in the upper end of bracket, and the grinding device ontology is fixedly mounted
In on bracket, the calciner plant ontology is located at the top of grinding device ontology.
Preferably, the bottom of the incineration dish is equipped with discharge nozzle, and valve is provided on the discharge nozzle, and described first grinds
The feed inlet of mill chamber is located at the lower section of discharge nozzle.
Technical effect and advantage of the invention: a kind of concrete accelerator raw material calcining and grinding device proposed by the present invention,
Compared with prior art, have it is following a little:
1, by the use of feeding device, when raw material enters in feeding device, raw material is ground by spiral conveying bar
Conveying can make material be heated more preferably when being calcined, and can reduce the time of subsequent grinding operations；
2, by paddle, worm gear and the use of worm screw, raw material can be stirred in calcining, is heated evenly raw material,
It avoids agglomeration and blanking difficult, improves the efficiency of subsequent grinding operations；
It 3,, can be by the first grinding chamber and by being used cooperatively for negative-pressure air fan and air inlet pipe by the use of dust-extraction unit
Dust inside two grinding chambers is exported from escape pipe, then carries out depositing dust by the water mist that atomizer sprays, and cooperate strainer and
The flue dust that exhaust pipe and escape pipe are discharged can be filtered, can reduce dust discharge rate, reduce by the use of active carbon net
Harm to environment and worker.
Detailed description of the invention
Fig. 1 is cross-sectional view of the invention；
Fig. 2 is grinding device ontology cross-sectional view of the invention；
Fig. 3 is conveying device cross-sectional view of the invention.
In figure: 1 grinding device ontology, 2 calcination device noumenons, 3 fixed links, 4 feeding devices, 5 hoppers, 6 feeder pipes, 7 are forged
Burn room, 8 incineration dish, 9 flame guns, 10 connecting rods, 11 paddles, 12 turntables, 13 support rods, 14 worm gears, 15 worm screws, 16 bearings
Seat, 17 brackets, 18 first grinding chambers, 19 second grinding chambers, 20 dust-extraction units, 21 negative-pressure air fans, 22 air inlet pipe, 23 escape pipes,
24 strainers, 25 active carbon nets, 26 water inlet pipes, 27 dust-fall pipes, 28 atomizers, 29 water tanks, 30 valves, 31 exhaust pipes, 32 servos
Motor, 33 crushing wheels, 34 grinding roller bearings, 35 drainage conduits, 36 shells, 37 spiral conveying bars, 38 discharge nozzles.
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.Herein
Described specific embodiment is only used to explain the present invention, is not intended to limit the present invention.Based on the embodiments of the present invention,
Every other embodiment obtained by those of ordinary skill in the art without making creative efforts, belongs to this hair
The range of bright protection.
The present invention provides a kind of concrete accelerator raw material calcining and grinding devices as shown in Figs. 1-3, including grinding dress
Ontology 1 and calcination device noumenon 2 are set, the upper end of the calcination device noumenon 2 is fixedly installed with feeding device 4 by fixed link 3,
The upper end of the feeding device 4 is fixedly installed with hopper 5, and the bottom of the feeding device 4 passes through feeder pipe 6 and calcination device sheet
Body 2 is connected to, and the calciner plant ontology 2 includes calcining compartment 7, incineration dish 8 and flame gun 9, and the upper end inside the calcining compartment 7 is solid
Dingan County is equipped with connecting rod 10, is fixedly installed with paddle 11 in the connecting rod 10, the paddle 11 is located at the interior of incineration dish 8
Portion, the bottom of the incineration dish 8 are fixedly installed with turntable 12, and the bottom of the turntable 12 is fixedly installed with support rod 13, described
Fixing sleeve is connected to worm gear 14 on support rod 13, and the side of the worm gear 14, which is engaged, is connected with worm screw 15, under the support rod 13
In in bearing block 16, the bearing block 16 is fixedly installed on bracket 17 for end rotational installation, and the grinding device ontology 1 includes the
One grinding chamber 18 and the second grinding chamber 19 are fixedly installed with dust-extraction unit 20 on second grinding chamber 19.
Preferably, the dust-extraction unit 20 includes negative-pressure air fan 21, air inlet pipe 22 and escape pipe 23, second grinding
The side of chamber 19 is communicated with air inlet pipe 22 and escape pipe 23 respectively, and one end of the escape pipe 23 is fixedly installed in negative-pressure air fan 21
Air inlet at, the inside of the escape pipe 23 and air inlet pipe 22 is mounted on strainer 24 and active carbon net 25, the escape pipe
23 side is communicated with water inlet pipe 26 and dust-fall pipe 27 respectively, and the water outlet of the water inlet pipe 26 is threaded with atomizer
28, one end of the water inlet pipe 26 is communicated with water tank 29, is provided with valve 30 on the water inlet pipe 26.
By using above-mentioned technical proposal, by being used cooperatively for negative-pressure air fan 21 and air inlet pipe 22, first can be ground
Dust inside mill chamber 18 and the second grinding chamber 19 is exported from escape pipe 23, then is removed by the water mist that atomizer 28 sprays
Dirt, and cooperate the use of strainer 24 and active carbon net 25, dust discharge rate can be reduced, the pollution to environment is reduced.
Preferably, being provided with valve 30 and exhaust pipe 31 on the feeder pipe 6, the exhaust pipe 31 is located under valve 30
Side, the inside of the exhaust pipe 31 is fixedly installed with strainer 24 and active carbon net 25.
It, can be by exhaust pipe 31 by being used cooperatively for strainer 24 and active carbon net 25 by using above-mentioned technical proposal
The flue dust of discharge is filtered, and reduces the harm to environment and worker.
Preferably, one end of the flame gun 9 is fixedly installed in the inside of calcining compartment 7, the flame gun 9 is located at calcining
The side of disk 8.
Calcination efficiency can be improved by the use of multiple groups flame gun 9 by using above-mentioned technical proposal, and by forging
It burns the rotation of disk 8 to cooperate with paddle 11, raw material calcining can be made uniformly, improve calcination efficiency and quality.
Preferably, one end of the worm screw 15 is fixedly installed in the rotation axis of servo motor 32.
By using above-mentioned technical proposal, by the use of servo motor 32, incineration dish 8 can be made to rotate, make raw material with
The stirring contact of paddle 11 can agglomerate to avoid calcining irregular, increase milling time
Preferably, the inside of first grinding chamber 18 is equipped with crushing wheel 33, the inside of second grinding chamber 19 is equipped with
Roller bearing 34 is ground, the lower end of first grinding chamber 18 is connected to by drainage conduit 35 with the upper end of the second grinding chamber 19.
By using above-mentioned technical proposal, multiple groups crushing wheel 33 is driven by motor and grinds the use of roller bearing 34, it can be with
It is quickly fine that calcined raw material is ground.
Preferably, the feeding device 4 includes shell 36 and spiral conveying bar 37, the spiral conveying bar 37 passes through bearing
It is rotatablely installed in the inside of shell 36, the bottom of the shell 36 is connected to feeder pipe 6, and the bottom of the shell 36 passes through fixation
Bar 3 is fixedly installed on calciner plant ontology 2.
The raw material of precalcining crush pre- by the use of feeding device 4 by using above-mentioned technical proposal
Processing, can be improved the efficiency of calcining and grinding.
Preferably, the calciner plant ontology 2 is fixedly installed in the upper end of bracket 17, the grinding device ontology 1 is fixed
It is installed on bracket 17, the calciner plant ontology 2 is located at the top of grinding device ontology 1.
By using above-mentioned technical proposal, the top of grinding device ontology 1 is located at by calciner plant ontology 2, by going out
Calcined raw material is sent into the first grinding chamber 18, grinding efficiency can be improved by expects pipe 38
Preferably, the bottom of the incineration dish 8 is equipped with discharge nozzle 38, it is provided with valve 30 on the discharge nozzle 38, described
The feed inlet of one grinding chamber 18 is located at the lower section of discharge nozzle 38.
Blanking is facilitated by the setting of discharge nozzle 38 by using above-mentioned technical proposal.
Structural principle: by the use of feeding device 4, when raw material enters in feeding device 4, pass through spiral conveying bar 37
Grinding conveying is carried out to raw material, reduces feed particles partial size, shortens calcination time, material can be made to be heated more when being calcined
It is good, and the time of subsequent grinding operations can be reduced；
By the use of paddle 11, worm gear 14 and worm screw 15, raw material can be stirred in calcining, keep raw material heated equal
It is even, it avoids agglomeration and blanking difficult, improves the efficiency of subsequent grinding operations；
It, can be by the first grinding chamber by being used cooperatively for negative-pressure air fan 21 and air inlet pipe 22 by the use of dust-extraction unit 20
18 and the second dust inside grinding chamber 19 exported from escape pipe 23, then be dusted by the water mist that atomizer 28 sprays,
And cooperate the use of strainer 24 and active carbon net 25, the flue dust that exhaust pipe 31 is discharged can be filtered, dust can be reduced
Discharge rate reduces the harm to environment and worker.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (9)
1. a kind of concrete accelerator raw material calcining and grinding device, including grinding device ontology (1) and calcination device noumenon (2),
It is characterized by: the upper end of calcination device noumenon (2) is fixedly installed with feeding device (4) by fixed link (3), it is described defeated
The upper end of material device (4) is fixedly installed with hopper (5), and the bottom of the feeding device (4) passes through feeder pipe (6) and calcination device
Ontology (2) connection, the calciner plant ontology (2) includes calcining compartment (7), incineration dish (8) and flame gun (9), the calcining compartment
(7) internal upper end is fixedly installed with connecting rod (10), is fixedly installed with paddle (11) on the connecting rod (10), described to stir
The inside that leaf (11) is located at incineration dish (8) is mixed, the bottom of the incineration dish (8) is fixedly installed with turntable (12), the turntable
(12) bottom is fixedly installed with support rod (13), and fixing sleeve is connected to worm gear (14), the worm gear on the support rod (13)
(14) side engagement is connected with worm screw (15), and the lower end rotational installation of the support rod (13) is described in bearing block (16)
Bearing block (16) is fixedly installed on bracket (17), and the grinding device ontology (1) includes that the first grinding chamber (18) and second are ground
Mill chamber (19) is fixedly installed with dust-extraction unit (20) on second grinding chamber (19).
2. a kind of concrete accelerator raw material calcining and grinding device according to claim 1, it is characterised in that: described to remove
Dirt device (20) includes negative-pressure air fan (21), air inlet pipe (22) and escape pipe (23), the side section of second grinding chamber (19)
Be not communicated with air inlet pipe (22) and escape pipe (23), one end of the escape pipe (23) be fixedly installed in negative-pressure air fan (21) into
At port, the inside of the escape pipe (23) and air inlet pipe (22) is mounted on strainer (24) and active carbon net (25), it is described go out
The side of tracheae (23) is communicated with water inlet pipe (26) and dust-fall pipe (27) respectively, and the water outlet screw thread of the water inlet pipe (26) connects
It is connected to atomizer (28), one end of the water inlet pipe (26) is communicated with water tank (29), is provided with valve on the water inlet pipe (26)
Door (30).
3. a kind of concrete accelerator raw material calcining and grinding device according to claim 1, it is characterised in that: the blanking
It is provided with valve (30) and exhaust pipe (31) on pipe (6), the exhaust pipe (31) is located at the lower section of valve (30), the exhaust pipe
(31) inside is fixedly installed with strainer (24) and active carbon net (25).
4. a kind of concrete accelerator raw material calcining and grinding device according to claim 1, it is characterised in that: the spray
One end of firelock (9) is fixedly installed in the inside of calcining compartment (7), and the flame gun (9) is located at the side of incineration dish (8).
5. a kind of concrete accelerator raw material calcining and grinding device according to claim 1, it is characterised in that: the worm screw
(15) one end is fixedly installed in the rotation axis of servo motor (32).
6. a kind of concrete accelerator raw material calcining and grinding device according to claim 1, it is characterised in that: described first
The inside of grinding chamber (18) is equipped with crushing wheel (33), and the inside of second grinding chamber (19) is equipped with grinding roller bearing (34),
The lower end of first grinding chamber (18) is connected to by drainage conduit (35) with the upper end of the second grinding chamber (19).
7. a kind of concrete accelerator raw material calcining and grinding device according to claim 1, it is characterised in that: the conveying
Device (4) includes shell (36) and spiral conveying bar (37), and the spiral conveying bar (37) is rotatablely installed by bearing in shell
(36) bottom of inside, the shell (36) is connected to feeder pipe (6), and the bottom of the shell (36) passes through fixed link (3)
It is fixedly installed on calciner plant ontology (2).
8. a kind of concrete accelerator raw material calcining and grinding device according to claim 1, it is characterised in that: the calcining
Device noumenon (2) is fixedly installed in the upper end of bracket (17), and the grinding device ontology (1) is fixedly installed on bracket (17),
The calciner plant ontology (2) is located at the top of grinding device ontology (1).
9. a kind of concrete accelerator raw material calcining and grinding device according to claim 1, it is characterised in that: the calcining
The bottom of disk (8) is equipped with discharge nozzle (38), is provided with valve (30) on the discharge nozzle (38), first grinding chamber (18)
Feed inlet be located at the lower section of discharge nozzle (38).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811353396.2A CN109289708A (en) | 2018-11-14 | 2018-11-14 | A kind of concrete accelerator raw material calcining and grinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811353396.2A CN109289708A (en) | 2018-11-14 | 2018-11-14 | A kind of concrete accelerator raw material calcining and grinding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109289708A true CN109289708A (en) | 2019-02-01 |
Family
ID=65143026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811353396.2A Pending CN109289708A (en) | 2018-11-14 | 2018-11-14 | A kind of concrete accelerator raw material calcining and grinding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109289708A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110560218A (en) * | 2019-10-10 | 2019-12-13 | 徐州工程学院 | meticulous grinding screening plant of gallium oxide |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5575953A (en) * | 1978-11-24 | 1980-06-07 | Kloeckner Humboldt Deutz Ag | Manufacture of powdered coal and apparatus |
| CN205990242U (en) * | 2016-08-31 | 2017-03-01 | 张爱军 | Chemical gypsum, potassium feldspar Sulphuric acid co-producing cement grog, alkaline fertilizer raw gypsum calcination system |
| CN206382311U (en) * | 2016-11-17 | 2017-08-08 | 石家庄铁道大学 | A kind of Solid state fermentation device |
| CN207641170U (en) * | 2017-11-22 | 2018-07-24 | 江西力田维康科技有限公司 | A kind of multistage waste gas absorption processing unit |
| CN208087709U (en) * | 2018-02-06 | 2018-11-13 | 福建省华裕天恒科技有限公司 | A kind of neodymium iron boron waste material calciner |
-
2018
- 2018-11-14 CN CN201811353396.2A patent/CN109289708A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5575953A (en) * | 1978-11-24 | 1980-06-07 | Kloeckner Humboldt Deutz Ag | Manufacture of powdered coal and apparatus |
| CN205990242U (en) * | 2016-08-31 | 2017-03-01 | 张爱军 | Chemical gypsum, potassium feldspar Sulphuric acid co-producing cement grog, alkaline fertilizer raw gypsum calcination system |
| CN206382311U (en) * | 2016-11-17 | 2017-08-08 | 石家庄铁道大学 | A kind of Solid state fermentation device |
| CN207641170U (en) * | 2017-11-22 | 2018-07-24 | 江西力田维康科技有限公司 | A kind of multistage waste gas absorption processing unit |
| CN208087709U (en) * | 2018-02-06 | 2018-11-13 | 福建省华裕天恒科技有限公司 | A kind of neodymium iron boron waste material calciner |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110560218A (en) * | 2019-10-10 | 2019-12-13 | 徐州工程学院 | meticulous grinding screening plant of gallium oxide |
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Application publication date: 20190201 |