CN109201480A - A kind of sand screening installation processed - Google Patents
A kind of sand screening installation processed Download PDFInfo
- Publication number
- CN109201480A CN109201480A CN201811009401.8A CN201811009401A CN109201480A CN 109201480 A CN109201480 A CN 109201480A CN 201811009401 A CN201811009401 A CN 201811009401A CN 109201480 A CN109201480 A CN 109201480A
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- vibration table
- parallel
- actuating vibration
- sucker
- sandstone
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B4/00—Separating solids from solids by subjecting their mixture to gas currents
- B07B4/08—Separating solids from solids by subjecting their mixture to gas currents while the mixtures are supported by sieves, screens, or like mechanical elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
- B07B11/04—Control arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
- B07B11/06—Feeding or discharging arrangements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The present invention provides a kind of sand screening installation processed, sand grains is separated using dynamic analysis method, break through the sandstone separation Theory of conventional outdoor washing, the device configuration is simple, investment is small, can increase substantially sorting yield, promote that product hierarchy, its reasonable in internal structure, good separation effect, energy-saving effect are significant, reduce dust emission, environment protection standard；Closed circuit or open system can be formed with the various milling equipments such as ball mill, Raymond mill, impact grinding, airflow milling.
Description
Technical field
The present invention relates to sandstone sorting field more particularly to a kind of sand screening installations processed.
Background technique
The industries such as current food, building materials, chemical industry, metallurgy, refractory material increasingly increase the demand of all kinds of powder materials,
The device category for processing powder material is various, the ball mill that is such as commonly used, airflow milling, Raymond mill, the broken machine of super sandstone, right
Roller pulverizer, disk mill and various hammer crushers etc..Sandstone broad particle distribution after smashing, size particles are attached on
Together, hard aggregation is formed, grain shape is half from setting and amorphous.Due to the difference of usage mode and purposes, sandstone is being passed through
Cross it is broken after there is still a need for further sortings, at present in industry commonly used by gravitational settling classification, overflow size separation, centrifugal classification
The methods of there is the problems such as classification efficiency is low, product particle size distribution is wide, have been unable to meet the demand in market.How to sandstone into
Capable not only efficient but also fine classification, becomes industry technical problem urgently to be solved.
Summary of the invention
In order to solve the above technical problem, the present invention provides a kind of sand screening installations processed.
The present invention is realized with following technical solution:
A kind of sand screening installation processed, the sand screening installation processed include feed inlet, feed pipe, piston rod, actuating vibration table in parallel,
It is classified sucker, solenoid valve, air pump, gas path pipe, gather materials room, drainage conduit, recovery room, PLC, position sensor, and the classification is inhaled
Disk further includes sucker ontology and suction hole, the air entry equably array distribution in the inside of sucker ontology, all air entries
Entrance be respectively positioned on the lower surface of sucker ontology, the gas outlet for the sucker ontology upper end that the outlet of all air entries imports, with
Gas path pipe connection, the equipment use the servo-control system of PC+PLC.
Further, the feed inlet is connect with feed pipe, the charging positioned at the middle part of feed pipe, for sandstone raw material；
The tail end of the feed pipe is provided with piston rod, and piston rod is used to sandstone raw material being pushed into actuating vibration table in parallel by feed pipe,
The front end of the feed pipe and actuating vibration table flexible connection in parallel；It is provided with classification sucker above the parallel connection actuating vibration table, classification is inhaled
Disk coats actuating vibration table in parallel completely, but the two has no direct contact, between the two there are specific gap width, and short transverse
Gap width it is adjustable；The outlet of the sand classifying is connected to the room that gathers materials by gas path pipe, is arranged on the gas path pipe
There are solenoid valve and air pump；The right end of the parallel connection actuating vibration table is provided with discharge nozzle, actuating vibration table in parallel and discharge nozzle flexible connection；Institute
It states discharge nozzle tail end and is connected with recovery room.
Further, the piston rod, three driving motors, solenoid valve, air pump, position sensors of actuating vibration table in parallel are equal
It is controlled by PLC controller, PLC is communicated by R232 serial ports and PC host computer, and the workflow of equipment is as follows:
After device power, control system is initialized, and position sensor and solenoid valve carry out set；
Sandstone raw material is added by feed inlet, subsequently enters feed pipe, starts piston rod, sandstone raw material push-in is in parallel sharp
Shake platform, and detects whether to complete charging, if it is not complete, then piston rod works on, until all sandstone raw materials are pushed into
Actuating vibration table in parallel；
The type of sand particles is selected on PC host computer, it is desirable to the parameters such as the particle size range of sorting and suction time, it is soft
Part is by the excited frequency of Auto-matching parallel connection actuating vibration table and direction, the parameters such as the speed of exhaust of air pump；
Start button is clicked on PC upper computer software, starts actuating vibration table in parallel, the stepper motor of three branches is according to finger
Fixed frequency and directioin parameter starts running, and it is upper that collected actual vibration frequency and direction are fed back to PC by position sensor
Machine is compared with setup parameter, is gradually increased power of motor, until reaching the excited frequency, amplitude and direction of setting.At this point,
The sand particles needed are in " excited state " under the excitation of actuating vibration table, overcome self gravity, are in suspended state；
Solenoid valve is opened, booster air pump works according to the speed of exhaust that PC host computer gives, is in the sand of " excited state "
For stone particle under the suction of air pump, the air entry by being classified sucker enters classification sucker, and is imported into sucker ontology upper end
Gas outlet eventually enters into the room that gathers materials through piping；
After the completion of sandstone sorting, actuating vibration table stops vibration, starts to tilt to the discharge nozzle of right end, surplus material is delivered to recycling
Interior is further processed.
Further, the actuating vibration table in parallel includes moving platform, silent flatform and 3 single open chains I, II, III, and the parallel connection swashs
The platform that shakes further includes specific topological structure.
Further, the specific topological structure is 2-PRU+CRCR, the structure etc. of single open chain I (P1 ⊥ R1-U1)
Valence is in P1 ⊥ R1 ‖ R11 ⊥ R12, and the structure arrangement of single open chain III is identical as I, and movement chain structure (P3 ⊥ R3-U3) is equivalent to
P3 ⊥ R3 ‖ R31 ⊥ R32, and two single open chains are coplanar, II structure of single open chain (C2 ⊥ R2 ‖ C21 ⊥ R21) is equivalent to R22 | P22 ⊥
R2 ‖ R23 | P23 ⊥ R21, prismatic pair P1, P3, cylindrical pair C2 axis co-planar, and P1, P3 axis are overlapped, C2 axis and P1, P3 axis
Line is parallel, and the parallel connection actuating vibration table has the Three Degree Of Freedom of two translations, one rotation, respectively along X, the translation of Z axis and around Y-axis
Rotation.
The beneficial effects of the present invention are:
The present invention provides a kind of sand screening installation processed, is vibrated sandstone raw material using the actuating vibration table in parallel with multi-dimensional vibration
To " excited state ", intelligent suction system is recycled, sandstone to be selected is sucked into the room that gathers materials, greatly reduces the granularity model of sandstone
It encloses.
The present invention also provides a kind of completely new sand classifying technology, solves the existing classification effect of common method in industry
The problems such as rate is low, product particle size distribution is wide, realizes not only efficient but also fine classification.
The present invention is capable of the operation of complete independently sandstone sorting, can carry out with existing various sandstone disintegrating apparatus pair
It connects, interconnection method is simple, efficient；And the load capacity range of equipment is wide, can be used to the work in laboratory, it can also be used to practical
Industrial production, flexibility is stronger.
The present invention is under the regulation of PLC intelligence control system, and links cooperate, high degree of automation, operation letter
Single, sand classifying is high-efficient, reduces the labor intensity of personnel.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of sand screening installation processed provided in this embodiment；
Fig. 2 is the structural schematic diagram of actuating vibration table in parallel provided in this embodiment；
Fig. 3 is the structural schematic diagram of classification sucker provided in this embodiment；
Fig. 4 is the schematic diagram of the PLC overall framework of sand screening installation processed provided in this embodiment；
Fig. 5 is the schematic diagram of the PLC workflow of sand screening installation processed provided in this embodiment；
Wherein: 1- feed inlet, 2- feed pipe, 3- piston rod, 4- parallel connection actuating vibration table, 5- are classified sucker, 6- solenoid valve, 7-
Air pump, 8- gas path pipe, 9- gather materials room, 10- drainage conduit, 11- recovery room, 12- position sensor, 13-PLC, 41- silent flatform,
42- moving platform, I-single open chain I, II-single open chain II, III-single open chain III, 51- suction hole, 52- sucker ontology.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, the present invention is made into one below in conjunction with attached drawing
Step ground detailed description.
Embodiment 1:
A kind of sand screening installation processed, as shown in Figure 1, the screening installation includes: feed inlet 1, feed pipe 2, piston rod 3,
Actuating vibration table 4 in parallel is classified sucker 5, and solenoid valve 6, air pump 7, gas path pipe 8, gather materials room 9, drainage conduit 10, recovery room 11,
PLC13, position sensor 12.The feed inlet is connect with feed pipe, positioned at the middle part of feed pipe, for sandstone raw material into
Material；The tail end of the feed pipe is provided with piston rod, and piston rod is used to sandstone raw material being pushed into actuating vibration table in parallel by feed pipe
On, the front end of the feed pipe and actuating vibration table flexible connection in parallel；It is provided with classification sucker above the parallel connection actuating vibration table, is classified
Sucker coats actuating vibration table in parallel completely, but the two has no direct contact, between the two there are specific gap width, and height side
To gap width it is adjustable；The outlet of the sand classifying is connected to the room that gathers materials by gas path pipe, sets on the gas path pipe
It is equipped with solenoid valve and air pump；The right end of the parallel connection actuating vibration table is provided with discharge nozzle, actuating vibration table in parallel and discharge nozzle flexible connection；
The discharge nozzle tail end is connected with recovery room.
Further, the actuating vibration table in parallel is as shown in Fig. 2, include moving platform 42, silent flatform 41 and 3 single open chains I,
II, III, the parallel connection actuating vibration table further includes special topological structure, and the topological structure of the parallel connection actuating vibration table is 2-PRU+CRCR,
The structural equivalence of single open chain I (P1 ⊥ R1-U1) is in P1 ⊥ R1 ‖ R11 ⊥ R12.The structure arrangement of single open chain III is identical as I,
Movement chain structure (P3 ⊥ R3-U3) is equivalent to P3 ⊥ R3 ‖ R31 ⊥ R32, and two single open chains are coplanar.II structure of single open chain
(C2 ⊥ R2 ‖ C21 ⊥ R21) is equivalent to R22 | P22 ⊥ R2 ‖ R23 | P23 ⊥ R21, prismatic pair P1, and P3, cylindrical pair C2 axis co-planar,
And P1, P3 axis are overlapped, C2 axis and P1, P3 axis are parallel.The parallel connection actuating vibration table three with two translations, one rotation is free
Degree, respectively along X, the translation of Z axis and the rotation around Y-axis.
Further, the classification sucker 5 is as shown in figure 3, include sucker ontology 52 and suction hole 51, the air entry is equal
For even ground array distribution in the inside of sucker ontology, the entrance of all air entries is respectively positioned on the lower surface of sucker ontology, all air-breathings
The gas outlet for the sucker ontology upper end that the outlet of mouth imports, connect with gas path pipe.
Embodiment 2:
A kind of sand screening installation processed, general frame as shown in figure 4, the PLC respectively with host computer, piston rod, electromagnetism
Valve, air pump, position sensor, driver 1, driver 2, driver 3 are electrically connected.The PLC connection host computer is for setting work
Stopper rod feeds number, the type of sand particles, it is desirable to the particle size range of sorting, the parameters such as suction time；The PLC and piston rod
It is connected, for controlling the switch of piston rod, to control the charging number of piston rod；The PLC is connected with solenoid valve, solenoid valve
It is connected with air pump, for controlling the switch of gas circuit, and the speed of exhaust of setting air pump, to control the time of gas circuit unlatching；
The PLC and driver 1, driver 2, driver 3 connect, the driver 1, driver 2, and driver 3 is electric with stepping respectively
Machine 1, stepper motor 2, stepper motor 3 connect, for driving stepper motor 1, stepper motor 2, the running in parallel of stepper motor 3, root
Frequency, direction and the number that pulse is sent according to PLC control speed, direction and the displacement of the running of three stepper motors, to control
Make vibration frequency, amplitude and the direction of actuating vibration table in parallel；The PLC is connected with position sensor, for feeding back actuating vibration table in parallel
Actual vibration frequency and direction, constitute the closed-loop control of actuating vibration table in parallel.
Embodiment 3:
A kind of sand screening installation processed, using the servo-control system of PC+PLC, general frame is as shown in Fig. 4, the work
Stopper rod, actuating vibration table in parallel three driving motors, solenoid valve, air pump, position sensor be controlled by PLC controller, PLC passes through
R232 serial ports is communicated with PC host computer.The workflow of equipment is as shown in Figure 5:
1) after device power, control system is initialized, and position sensor and solenoid valve carry out set；
2) sandstone raw material is added by feed inlet, subsequently enters feed pipe, start piston rod, sandstone raw material is pushed into parallel
Actuating vibration table, and detect whether to complete charging, if it is not complete, then piston rod works on, until all sandstone raw materials are pushed away
Enter actuating vibration table in parallel；
3) type of sand particles is selected on PC host computer, it is desirable to the parameters such as the particle size range of sorting and suction time,
Software is by the excited frequency of Auto-matching parallel connection actuating vibration table and direction, the parameters such as the speed of exhaust of air pump；
4) click start button on PC upper computer software, start actuating vibration table in parallel, the stepper motors of three branches according to
Specified frequency and directioin parameter starts running, and position sensor feeds back to collected actual vibration frequency and direction on PC
Position machine is compared with setup parameter, is gradually increased power of motor, until reaching the excited frequency, amplitude and direction of setting.This
When, the sand particles needed are in " excited state " under the excitation of actuating vibration table, overcome self gravity, are in suspended state；
5) solenoid valve is opened, booster air pump works according to the speed of exhaust that PC host computer gives, in " excited state "
For sand particles under the suction of air pump, the air entry by being classified sucker enters classification sucker, and is imported into sucker ontology upper end
Gas outlet through piping, eventually enter into the room that gathers materials；
6) after the completion of sandstone sorting, actuating vibration table stops vibration, starts to tilt to the discharge nozzle of right end, surplus material is delivered to back
Interior is received, is further processed.
Embodiment 4:
As shown in Fig. 2, the shared kinematic pair number m=10 of the parallel institution of the parallel connection actuating vibration table, number of components n=9, therefore the machine
The fundamental circuit number v=m-n+1=10-9+1=2 of structure.
Freedom degree (DOF) formula is
In formula: F: mechanism freedom DOF；
Mechanism kinematic pairs freedom degree summation (for the freedom degree of i-th of kinematic pair)；
Independent displacement equation number summation (for the independent displacement equation number of j-th of independent loop)；
The POC collection of the sub- parallel institution moving platform of preceding j branch composition；
Ms(j+1): the POC collection of (j+1) article branch terminal link；
By Ms1,Ms2,Ms3Formula is brought into obtain
The 1st independent loop independent parties number of passes ξ being made of I, II branch1For
I, the POC collection of sub- parallel institution moving platform of II branch composition is
The independent displacement equation number of 2nd independent loop is
The freedom degree (DOF) for determining mechanism is
The mechanism for being F for freedom degree preselects F kinematic pair and is that driving is secondary, and if the new mechanism that obtains its rigidifying certainly
By spending F '=0, then the F kinematic pair preselected can be secondary for driving simultaneously.Since the freedom degree of mechanism is 3, the shifting of 3 branches is preselected
Dynamic secondary P1, C2, P3 are that driving is secondary, by their rigidifying, obtain mechanism freedom F '=3+3+3-5-4=0 after rigidifying, meet driving
Secondary existence rules.
Embodiment 5；
A kind of sand screening installation processed, is tested with sandstone raw material, passes through gained sandstone each grade product and raw material
Scanning electron microscope image comparison is as can be seen that with the processed sandstone of sand screening installation processed, even particle size distribution, grading effect compared with
Good, especially average particle size is 5 μm and 3 μm of product, and granule-morphology is uniform, and basic plastochondria fraction reaches 70% or more, far
The standard for being 40% is required far beyond the basic plastochondria fraction of national standard.The product that average particle size is 1 μm and 0.5 μm, due to granularity
Smaller, dispersion becomes difficult, and effectiveness of classification decline, basic plastochondria fraction reaches 40%.It can be seen that 0.5 μm is this sand processed
The limit product that screening installation can be handled.Using sand screening installation processed provided by the invention, it is 0.5 that average particle size, which may be implemented,
μm or more the sandstone of product fine graded, graded product narrow particle size distribution, granule-morphology is uniform.
The above disclosure is only the preferred embodiments of the present invention, cannot limit the right model of the present invention with this certainly
It encloses, therefore equivalent changes made in accordance with the claims of the present invention, is still within the scope of the present invention.
Claims (6)
1. a kind of sand screening installation processed, it is characterised in that: the sand screening installation processed includes feed inlet, feed pipe, piston rod, and
Join actuating vibration table, is classified sucker, solenoid valve, air pump, gas path pipe, gather materials room, drainage conduit, recovery room, PLC, position sensor, institute
Stating classification sucker further includes sucker ontology and suction hole, the air entry equably array distribution in the inside of sucker ontology, institute
There is the entrance of air entry to be respectively positioned on the lower surface of sucker ontology, the sucker ontology upper end that the outlet of all air entries imports goes out
Port is connect with gas path pipe, and the equipment uses the servo-control system of PC+PLC.
2. equipment according to claim 1, which is characterized in that the feed inlet is connect with feed pipe, in feed pipe
Portion, the charging for sandstone raw material；The tail end of the feed pipe is provided with piston rod, piston rod be used to pass through sandstone raw material into
Expects pipe is pushed on actuating vibration table in parallel, the front end of the feed pipe and actuating vibration table flexible connection in parallel；Above the parallel connection actuating vibration table
It is provided with classification sucker, classification sucker coats actuating vibration table in parallel completely, but the two has no direct contact, and there are spies between the two
Fixed gap width, and the gap width of short transverse is adjustable；The outlet of the sand classifying is connected to by gas path pipe to gather materials
Room is provided with solenoid valve and air pump on the gas path pipe；The right end of the parallel connection actuating vibration table is provided with discharge nozzle, exciting in parallel
Platform and discharge nozzle flexible connection；The discharge nozzle tail end is connected with recovery room.
3. equipment according to claim 2, which is characterized in that three driving motors, electricity of the piston rod, actuating vibration table in parallel
Magnet valve, air pump, position sensor are controlled by PLC controller, and PLC is communicated by R232 serial ports and PC host computer, equipment
Workflow it is as follows:
After device power, control system is initialized, and position sensor and solenoid valve carry out set；
Sandstone raw material is added by feed inlet, subsequently enters feed pipe, starts piston rod, sandstone raw material is pushed into exciting in parallel
Platform, and detect whether to complete charging, if it is not complete, then piston rod works on, until simultaneously by all sandstone raw materials push-in
Join actuating vibration table；
The type of sand particles is selected on PC host computer, it is desirable to which the parameters such as the particle size range of sorting and suction time, software will
The excited frequency of Auto-matching parallel connection actuating vibration table and direction, air pump the parameters such as the speed of exhaust；
Start button is clicked on PC upper computer software, starts actuating vibration table in parallel, the stepper motor of three branches is according to specified
Frequency and directioin parameter start running, position sensor by collected actual vibration frequency and direction feed back to PC host computer with
Setup parameter compares, and is gradually increased power of motor, until reaching the excited frequency, amplitude and direction of setting.
4. at this time, it may be necessary to sand particles be in " excited state " under the excitation of actuating vibration table, self gravity is overcome, in outstanding
Floating state；
Solenoid valve is opened, booster air pump works according to the speed of exhaust that PC host computer gives, is in the sandstone of " excited state "
For grain under the suction of air pump, the air entry by being classified sucker enters classification sucker, and is imported into the outlet of sucker ontology upper end
Mouth eventually enters into the room that gathers materials through piping；
After the completion of sandstone sorting, actuating vibration table stops vibration, starts to tilt to the discharge nozzle of right end, surplus material is delivered to recovery room
It is interior, it is further processed.
5. equipment according to claim 3, it is characterised in that: the parallel connection actuating vibration table includes moving platform, silent flatform and 3 lists
Open chain I, II, III, the parallel connection actuating vibration table further includes specific topological structure.
6. equipment according to claim 3, which is characterized in that the specific topological structure is 2-PRU+CRCR, single open chain I
The structural equivalence of (P1 ⊥ R1-U1) is in P1 ⊥ R1 ‖ R11 ⊥ R12, and the structure arrangement of single open chain III is identical as I, movement link
Structure (P3 ⊥ R3-U3) is equivalent to P3 ⊥ R3 ‖ R31 ⊥ R32, and two single open chains are coplanar, II structure of single open chain (C2 ⊥ R2 ‖ C21
⊥ R21) it is equivalent to R22 | P22 ⊥ R2 ‖ R23 | P23 ⊥ R21, prismatic pair P1, P3, cylindrical pair C2 axis co-planar, and P1, P3 axis
Be overlapped, C2 axis and P1, P3 axis are parallel, it is described parallel connection actuating vibration table have two translation one rotation Three Degree Of Freedoms, respectively with
Along X, the translation of Z axis and the rotation around Y-axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811009401.8A CN109201480B (en) | 2018-08-31 | 2018-08-31 | Sand making sorting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811009401.8A CN109201480B (en) | 2018-08-31 | 2018-08-31 | Sand making sorting equipment |
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| Publication Number | Publication Date |
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| CN109201480A true CN109201480A (en) | 2019-01-15 |
| CN109201480B CN109201480B (en) | 2021-06-22 |
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ID=64985386
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|---|---|---|---|
| CN201811009401.8A Active CN109201480B (en) | 2018-08-31 | 2018-08-31 | Sand making sorting equipment |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000237687A (en) * | 1999-02-17 | 2000-09-05 | Taiyo Machinery Co Ltd | Crushed sand classifier |
| CN103286078A (en) * | 2013-06-03 | 2013-09-11 | 江苏大学 | Three-degree-of-freedom parallel material vibration sorting platform |
| CN204052160U (en) * | 2014-05-30 | 2014-12-31 | 福建南方路面机械有限公司 | A kind of selection by winnowing sand device |
| CN204953353U (en) * | 2015-09-25 | 2016-01-13 | 江阴市东仁机械有限公司 | Sand mud piece -rate system |
| CN207057005U (en) * | 2017-07-31 | 2018-03-02 | 程逸豪 | Drug encapsulation production line plug negative pressure adsorption equipment |
| CN207591813U (en) * | 2017-11-24 | 2018-07-10 | 广东翁江化学试剂有限公司 | A kind of chemical industry vacuum reaction kettle |
-
2018
- 2018-08-31 CN CN201811009401.8A patent/CN109201480B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000237687A (en) * | 1999-02-17 | 2000-09-05 | Taiyo Machinery Co Ltd | Crushed sand classifier |
| CN103286078A (en) * | 2013-06-03 | 2013-09-11 | 江苏大学 | Three-degree-of-freedom parallel material vibration sorting platform |
| CN204052160U (en) * | 2014-05-30 | 2014-12-31 | 福建南方路面机械有限公司 | A kind of selection by winnowing sand device |
| CN204953353U (en) * | 2015-09-25 | 2016-01-13 | 江阴市东仁机械有限公司 | Sand mud piece -rate system |
| CN207057005U (en) * | 2017-07-31 | 2018-03-02 | 程逸豪 | Drug encapsulation production line plug negative pressure adsorption equipment |
| CN207591813U (en) * | 2017-11-24 | 2018-07-10 | 广东翁江化学试剂有限公司 | A kind of chemical industry vacuum reaction kettle |
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| Publication number | Publication date |
|---|---|
| CN109201480B (en) | 2021-06-22 |
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