CN108001996A - Material detection device and method - Google Patents
Material detection device and method Download PDFInfo
- Publication number
- CN108001996A CN108001996A CN201610951890.3A CN201610951890A CN108001996A CN 108001996 A CN108001996 A CN 108001996A CN 201610951890 A CN201610951890 A CN 201610951890A CN 108001996 A CN108001996 A CN 108001996A
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- CN
- China
- Prior art keywords
- material detection
- rotation axis
- rotating bar
- conveyer belt
- detection device
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
- B65G43/08—Control devices operated by article or material being fed, conveyed or discharged
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/54—Large containers characterised by means facilitating filling or emptying
- B65D88/64—Large containers characterised by means facilitating filling or emptying preventing bridge formation
- B65D88/66—Large containers characterised by means facilitating filling or emptying preventing bridge formation using vibrating or knocking devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/02—Control or detection
- B65G2203/0208—Control or detection relating to the transported articles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Conveyors (AREA)
Abstract
An embodiment of the present invention provides a kind of material detection device and method, the material detection device includes：Travel switch, controller and detection external member；Detection external member includes：Rotation axis, material detection plate and rotating bar；Rotation axis is rotatablely connected by mounting bracket across the conveyer belt, rotation axis with the mounting bracket；Along fixing on the rotating shaft in material detection plate, interval is provided between the lower edge and conveyer belt of material detection plate；One end of rotating bar is fixed on the end of rotation axis；Travel switch is located in the hunting range of rotating bar；Controller is controlled by the output signal of travel switch, and enabling signal is exported to rapping apparatus.The present invention is when lacking material on the conveyer belt of belt conveyor, control rapping apparatus rapping feed bin side wall, the material that feed bin side wall sticks together is set to be discharged from discharge gate, avoid due to when material is accumulated in feed bin, cause material on the conveyer belt of belt conveyor to occur to lack material phenomenon, realize the transmission material that production equipment downstream is stablized.
Description
Technical field
The present invention relates to automatic control technology field, more particularly to material detection device and method.
Background technology
Feed bin is the important Container Type Equipment that material is stored in industrial production, generally can all be undertaken together with belt conveyor
The conveying function of material.For the higher granular material of temperature, cavity is easily formed at discharge gate when being accumulated in feed bin
Or it is blocking in bulkhead bonding, cavity can cause discharge initial time without material, and then cause discharge not smooth, alternatively, exit bonds
Have caking that discharge gate section can be caused to reduce, and then cause discharge velocity to reduce, in addition can not discharge situation, cavity and caking
Cause to fall on the inventory on belt conveyor under feed bin to reduce, when being transmitted through belt conveyor, can cause under discharge gate
The belt conveyor of trip lacks material.
Feed bin 1, rapping apparatus 2, belt conveyor 3 and 4 position relationship of weighing balance are as shown in Figure 1, in the prior art, measure
The inventory for claiming to be generally used for metering feed bin discharge is used for the control produced, simultaneously can be used for judging that material lacks material, method is
Using the material weight on the weigher detection conveyer belt being arranged at below conveyer belt, when detecting that material weight is smaller, it is believed that Ke Nengyou
Cause to lack material in feed bin reason, then scarce material signal is transmitted to control system, the rapping apparatus that control system starts on feed bin will be glutinous
The material on feed bin inner wall shakes, to stablize the inventory on ribbon feeder.
But since the detection characteristic of weighing balance needs a relatively stable section, and the conveyer belt below feed bin discharge gate
Because bearing the weight of material in feed bin, its carrying roller arrangement is more intensive, since material has just been fallen on conveyer belt under feed bin
When and it is unstable, so the general installation site of weighing balance has a certain distance from bin outlet, so that the scarce material of material is sentenced
Break there are certain hysteresis, start rapping apparatus also to lag, often easily leading on conveyer belt machine has a distance (according to metering
The characteristic of title, generally there are about 2 meters of length) material still can be lacked, lack the life that can cause fluctuation or downstream when expecting serious
Produce equipment can not stability contorting, influence the normal production of follow-up workshop section (disc balling machine in such as pelletizing process production line).
The content of the invention
To overcome problem present in correlation technique, the present invention provides a kind of material detection device and method.
First aspect according to embodiments of the present invention, there is provided a kind of material detection device, for detecting belt conveyor
Material on conveyer belt, the material are discharged by feed bin, and the projection of the discharge gate of the feed bin on the conveyer belt is located at institute
State on conveyer belt, rapping apparatus is provided with the feed bin, the material detection device includes：Travel switch, controller and inspection
Survey external member；The detection external member includes：Rotation axis, material detection plate and rotating bar；
The rotation axis, across the conveyer belt, and is provided with interval by mounting bracket between the conveyer belt, described
Rotation axis is rotatably connected with the mounting bracket；
The upper edge of the material detection plate is fixed in the rotation axis, and the material detection plate is located at the conveyer belt
Top, is provided with interval between the lower edge of the material detection plate and the conveyer belt, the material detection plate drives when swinging
The rotation axis rotates；
One end of the rotating bar is fixed on the end of the rotation axis, and the rotation axis drives the rotating bar when rotating
Swing；
The travel switch is located in the hunting range of the rotating bar, and triggers the stroke during rotating bar swing
Switch；
The input terminal of the controller is connected with the output terminal of the travel switch, the output terminal of controller and the rapping
Device is connected, and the controller is controlled by the output signal of the travel switch, and enabling signal is exported to the rapping apparatus.
Alternatively, when the quantity of the detection external member is at least two, the material detection plate in each detection external member
Edge is arranged in order perpendicular to material transmission direction.
Alternatively, between drop shadow spread of the adjacent material detection plate of each two on the belt conveyor
Every at least the first pre-determined distance.
Alternatively, the interval between the adjacent rotating bar of each two is at least the second pre-determined distance.
Alternatively, at least two rotation axis are vertically arranged parallel to each other.
Alternatively, each material detection plate corresponds to one piece of projected area respectively on the conveyer belt of the belt conveyor
Domain, at least two view fields are different.
Alternatively, the axis of the rotating bar and the axis of the rotation axis are not parallel.
Alternatively, the axis of the rotating bar is vertical with the axis of the rotation axis.
Alternatively, the distance between axle center of the travel switch and the rotation axis, less than the rotating bar other end
Apart from the distance between axle center of the rotation axis.
According to the second aspect of the invention, a kind of material detection method is also provided, applied to the material described in any of the above
In detection device, the described method includes：
Detect whether to receive the switching signal that the travel switch for being arranged at predeterminated position is sent；
When receiving the switching signal, oscillation control signal is sent to rapping apparatus, so that the rapping apparatus is sent out
Raw vibration, the material of the feed bin inner wall is shaken.
The technical solution that the embodiment of the present invention provides can include the following benefits：
The present invention sets rotation axis by side on a moving belt, and sets material detection plate and rotation on the rotating shaft
Bar, due to being provided with interval between the lower edge and conveyer belt of material detection plate, the height of the material on conveyer belt more than or equal to
During the interval material detection plate can be driven to swing, so that material detection plate drives the rotation axis to rotate, and then rotated
Axis drives the rotating bar to swing when rotating, be located at due to travel switch in the hunting range of the rotating bar, so rotating bar
Travel switch can be triggered during swing, travel switch can send output signal to controller in a triggered, and then controller is by institute
The output signal control of travel switch is stated, when lacking material on a moving belt, enabling signal is exported to rapping apparatus, so that rapping apparatus
Start rapping feed bin side wall, the material that feed bin side wall sticks together is discharged from discharge gate, avoid due to when material is accumulated in feed bin,
Cause material on the conveyer belt of belt conveyor to occur to lack material phenomenon, realize the transmission material that production equipment downstream is stablized.
It should be appreciated that the general description and following detailed description of the above are only exemplary and explanatory, not
Can the limitation present invention.
Brief description of the drawings
Attached drawing herein is merged in specification and forms the part of this specification, shows the implementation for meeting the present invention
Example, and for explaining the principle of the present invention together with specification.
Fig. 1 is the position relationship schematic diagram of feed bin, belt conveyor, rapping apparatus and weighing balance in the prior art；
Fig. 2 is a kind of top view of material detection device according to an exemplary embodiment；
Fig. 3 is a structure on detection external member, travel switch and conveyer belt according to an exemplary embodiment
Left view；
Fig. 4 is another according to an exemplary embodiment on detection external member, the knot of travel switch and conveyer belt
Structure top view；
Fig. 5 is another according to an exemplary embodiment on detection external member, the knot of travel switch and conveyer belt
Structure left view；
Fig. 6 is a kind of flow chart of material detection method according to an exemplary embodiment.
Embodiment
Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Following description is related to
During attached drawing, unless otherwise indicated, the same numbers in different attached drawings represent the same or similar key element.Following exemplary embodiment
Described in embodiment do not represent and the consistent all embodiments of the present invention.On the contrary, they be only with it is such as appended
The example of the consistent apparatus and method of some aspects being described in detail in claims, of the invention.
In embodiments of the present invention, there is provided a kind of material detection device, the material detection device are defeated for detecting belt
The material on the conveyer belt 3-1 of machine 3 is sent, the material is discharged by feed bin 1, and the discharge gate 1-1 of the feed bin 1 is in the conveyer belt
On projection be located on the conveyer belt, rapping apparatus 2 is provided with the feed bin.Feed bin 1, rapping apparatus 2 and Belt Conveying
The position distribution of machine 3 may refer to Fig. 1.
The material detection device includes：Travel switch 5, controller (not shown) and detection external member 6；The detection
External member 6 includes：Rotation axis 6-1, material detection plate 6-2 and rotating bar 6-3.
If Fig. 2 is that the top view of material detection device, the rotation axis 6-1 passes through when the quantity for detecting external member is 1
Mounting bracket is provided with interval across the conveyer belt 3-1 between the conveyer belt 3-1, in embodiments of the present invention, installation
Frame can be arranged at conveyer belt 3-1 both sides, can also specifically may be set according to actual conditions across on conveyer belt 3-1, turn
Moving axis 6-1 is arranged between discharge gate 1-1 and conveyer belt 3-1, and the position of rotation axis 6-1 should be arranged on discharge gate 1-1
Along the downstream of material transmission direction, the interval between rotation axis 6-1 and conveyer belt 3-1 can be according to according to material detection plate 6-2
Length determine that the rotation axis 6-1 is rotatably connected with the mounting bracket, can be set on rotating turret bearing etc. easy to rotate
The rotatable parts that axis 6-1 is freely rotated, rotation axis 6-1 can be fixed in rotatable parts.
As shown in Fig. 2, the upper edge of the material detection plate 6-2 is fixed on the rotation axis 6-1, and the material detects
Plate 6-1 is located above the conveyer belt 3-1, between being provided between the lower edge of the material detection plate 6-2 and the conveyer belt 3-1
Every the material detection plate 6-2 drives the rotation axis 6-1 to rotate when swinging.
In embodiments of the present invention, material detection plate can be rectangular plate-like, along can refer to material in material detection plate
Detection plate edge above when mounted, consolidates along can be connected by connector, the mode such as be clamped in material detection plate
Determine on the rotating shaft；The lower edge edge of material detection plate can be driven when reaching a certain height for the ease of the material on conveyer belt
Material transferring direction is swung, and interval should be provided between the lower edge and conveyer belt of material detection plate, in practical applications, due to
The height of material is generally in 8cm to 15cm on conveyer belt, so in embodiments of the present invention, the lower edge distance of material detection plate passes
The vertical distance between band is sent to be less than or equal to 8cm；Since material detection plate is fixed on the rotating shaft, so material detection plate
When being swung by material drive, rotation axis can be driven to rotate along axis.
One end of the rotating bar is fixed on the end of the rotation axis, and the rotation axis drives the rotating bar when rotating
Swing.
In embodiments of the present invention, rotating bar can be rod-shaped that one end of rotating bar is fixed on the end of rotation axis, in reality
In the application of border, rotating bar can be fixed on the end face of rotation axis, can also be fixed on the side wall of rotation axis end, the present invention
Not limited in embodiment, fixation here can refer to be fixed by connector, can also refer to the fixation of the modes such as clamping, due to
Rotating bar is fixed on the rotating shaft, so rotating bar will not relatively rotate with rotation axis, therefore rotation axis is rotating
When, rotating bar can be driven to swing.
As shown in figure 3, in practical applications, when material detection plate is not subject to the support force of material to act on, rotating bar can
Vertically to naturally droop；When material detection plate is subject to the support force of material to act on, it is assumed that the angle that rotating bar is swung
For α, when rotating bar is vertical with material detection plate, the angle of rotating bar and horizontal direction is also α；When rotating bar and material detect
During plate out of plumb, the angle of rotating bar and horizontal direction can also be α.
The travel switch is located in the hunting range of the rotating bar, and triggers the stroke during rotating bar swing
Switch.
Travel switch can refer to makes its contact action come real using the collision of manufacturing machine moving component in the prior art
The now electronic device of connection or disjunction control circuit.In practical applications, the setting position of travel switch should be located at rotating bar
Swinging track on, travel switch can be fixed on the supporting rack for installing rotation axis, can also be arranged on it is other with turn
In the parallel fixed plate of the swinging plane of lever.
In embodiments of the present invention, in order to enable rotating bar to trigger travel switch when swinging, the stroke is opened
The distance between axle center with the rotation axis is closed, should be less than described in other end distance of the rotating bar away from rotation axis and turn
The distance between axle center of moving axis.Also, the axis of rotating bar should be not parallel with the axis of rotation axis, at one of the present invention
In preferred embodiment, the axis of rotating bar should be vertical with the axis of rotation axis.
The input terminal of the controller is connected with the output terminal of the travel switch, the output terminal of controller and the rapping
Device is connected, and the controller is controlled by the output signal of the travel switch, and enabling signal is exported to the rapping apparatus.
In embodiments of the present invention, controller can be controlled with finger processor, microcontroller, DSP or relay interlock etc.
Device processed can export enabling signal, control according to internal processes after the output signal of travel switch is received from trend rapping apparatus
Device processed can be connected with travel switch and rapping apparatus by wired mode, can also wirelessly be connected, so control
Device processed can be arranged on material detection scene, can also be arranged far from the position at material detection scene, specifically can be according to reality
Border needs to be set, and the setting position of rapping apparatus is referred to Fig. 1, is arranged on the side wall of feed bin, and rapping apparatus is connecing
After receiving enabling signal, it can be acted with automatic start rapping, be fallen on so as to be attached under the material of feed bin side wall on conveyer belt.
In embodiments of the present invention, the quantity of the detection external member can also be at least two, in this way, material detection device
It is middle to include at least two rotation axis, at least two material detection plates, at least two rotating bars, as shown in Figure 4 and Figure 5, for inspection
The quantity for surveying external member is the situation of 3, wherein, three rotation axis are respectively rotation axis 6-1A, rotation axis 6-1B and rotation axis 6-
1C, three material detection plates are respectively material detection plate 6-2A, material detection plate 6-2B and material detection plate 6-2C, and three rotate
Bar is respectively that the rotating bar in rotating bar 6-3A, rotating bar 6-3B and rotating bar 6-3C, Fig. 4 and Fig. 5 does not touch stroke and opens
Pass is because current material detection plate may be subject to the support force of material to act on the state swung.
In order to avoid at least two material detection plates swing when can not interfere with each other, at least two material detection plates it
Between should be parallel to each other or in same plane, and in order to the material on convenient detection conveyer belt, each detection set
Material detection plate in part perpendicular to material transmission direction along being arranged in order, and each material detection plate is in the Belt Conveying
One piece of view field is corresponded on the conveyer belt of machine respectively, at least two view fields are different, and adjacent described of each two
Interval between drop shadow spread of the material detection plate on the belt conveyor is at least the first pre-determined distance, first it is default away from
From that can be 1cm, 2cm etc., moreover, in order to make rotating bar not interfered with each other when swinging, at least two rotating bars should
This is parallel to each other, also, the interval between the adjacent rotating bar of each two is at least the second pre-determined distance, and each two is adjacent
The distance between rotating bar can refer to the distance of rotating bar on the rotating shaft, can also refer between two neighboring rotating bar most
Short distance；In order to make rotation axis not disturbed mutually when rotating along axis, at least two vertical sides in rotation axis edge
To being arranged parallel to each other.
In practical applications, detect external member quantity be generally 2 to 3 set be advisable, detection external member quantity it is excessive when, material inspection
The width meeting very little of drafting board, it is not economical enough, and generally at most occur that there is material in side in the width range of conveyer belt
Opposite side lacks the situation of material, be not in it is corrugated have material or without material, therefore general the material detection of three pieces of left, center, right is set
Plate, as shown in figure 4, each material detection sleeve-board detection part is responsible for the scarce material detection in a region.When the conveyer belt left side
When region lacks material, plumbness is fallen under material detection plate 6-2C, rotating bar 6-3C revolves upwards under the drive of rotation axis 6-1C
Turn to encounter travel switch 5, send and lack material signal；When similarly lacking material with right area among conveyer belt 3-1, the middle thing with the right
Identical action can also occur for material detection plate 6-2B and 6-2A, and often set detection external member single movement, expands the scope for lacking material detection,
When there is provided during at least two pieces of material detection plates, any one piece detects that output lacks material signal when lacking material signal.
Since detection plate is contacted with material for a long time, material detection plate is vulnerable part, is needed periodically more when wearing to a certain extent
Change, as long as general interval between material detection plate lower edge and belt conveyor is more than material actual height, detection plate can be propped up,
It can not have to replace.
As shown in fig. 6, in another embodiment of the present invention, a kind of material detection method is also provided, applied to foregoing
In the material detection device provided in one device embodiment, the method can perform in the controller, and material detection method can
To comprise the following steps.
In step S101, detect whether to receive the switching signal of the travel switch for being arranged at predeterminated position transmission.
When receiving the switching signal, in step s 102, oscillation control signal is sent to rapping apparatus, so that institute
State rapping apparatus to vibrate, the material of the feed bin inner wall is shaken.
Those skilled in the art will readily occur to the present invention its after considering specification and putting into practice invention disclosed herein
Its embodiment.This application is intended to cover the present invention any variations, uses, or adaptations, these modifications, purposes or
Person's adaptive change follows the general principle of the present invention and including undocumented common knowledge in the art of the invention
Or conventional techniques.Description and embodiments are considered only as exemplary, and true scope and spirit of the invention are by appended
Claim is pointed out.
It should be appreciated that the invention is not limited in the precision architecture for being described above and being shown in the drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present invention is only limited by appended claim.
Claims (10)
1. a kind of material detection device, it is characterised in that the material on conveyer belt for detecting belt conveyor, the material
Discharged by feed bin, the projection of the discharge gate of the feed bin on the conveyer belt is located on the conveyer belt, is set on the feed bin
Rapping apparatus is equipped with, the material detection device includes：Travel switch, controller and detection external member；The detection external member includes：
Rotation axis, material detection plate and rotating bar；
The rotation axis, across the conveyer belt, and is provided with interval by mounting bracket between the conveyer belt, the rotation
Axis is rotatably connected with the mounting bracket；
The upper edge of the material detection plate is fixed in the rotation axis, and the material detection plate is located on the conveyer belt
Side, is provided with interval between the lower edge of the material detection plate and the conveyer belt, the material detection plate drives institute when swinging
State rotation axis rotation；
One end of the rotating bar is fixed on the end of the rotation axis, and the rotation axis drives the rotating bar to put when rotating
It is dynamic；
The travel switch is located in the hunting range of the rotating bar, and triggers the stroke during rotating bar swing and open
Close；
The input terminal of the controller is connected with the output terminal of the travel switch, the output terminal of controller and the rapping apparatus
It is connected, the controller is controlled by the output signal of the travel switch, and enabling signal is exported to the rapping apparatus.
2. material detection device according to claim 1, it is characterised in that the quantity of the detection external member is at least two
When, each material detection plate edge detected in external member is arranged in order perpendicular to material transmission direction.
3. material detection device according to claim 2, it is characterised in that the adjacent material detection plate of each two exists
The interval between drop shadow spread on the belt conveyor is at least the first pre-determined distance.
4. material detection device according to claim 3, it is characterised in that between the adjacent rotating bar of each two
Interval is at least the second pre-determined distance.
5. material detection device according to claim 4, it is characterised in that at least two rotation axis are vertically
It is arranged parallel to each other.
6. material detection device according to claim 5, it is characterised in that each material detection plate is in the belt
One piece of view field is corresponded on the conveyer belt of conveyer respectively, at least two view fields are different.
7. material detection device according to any one of claims 1 to 6, it is characterised in that the axis of the rotating bar and institute
The axis for stating rotation axis is not parallel.
8. material detection device according to claim 7, it is characterised in that the axis of the rotating bar and the rotation axis
Axis it is vertical.
9. material detection device according to claim 1, it is characterised in that the travel switch and the axis of the rotation axis
The distance between heart, less than the rotating bar other end apart from the distance between axle center of the rotation axis.
10. a kind of material detection method, it is characterised in that applied to any material detection device of claim 1 to 9
In, the described method includes：
Detect whether to receive the switching signal that the travel switch for being arranged at predeterminated position is sent；
When receiving the switching signal, oscillation control signal is sent to rapping apparatus, so that the rapping apparatus shakes
It is dynamic, the material of the feed bin inner wall is shaken.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610951890.3A CN108001996A (en) | 2016-10-27 | 2016-10-27 | Material detection device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610951890.3A CN108001996A (en) | 2016-10-27 | 2016-10-27 | Material detection device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108001996A true CN108001996A (en) | 2018-05-08 |
Family
ID=62047337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610951890.3A Pending CN108001996A (en) | 2016-10-27 | 2016-10-27 | Material detection device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108001996A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112775012A (en) * | 2020-12-25 | 2021-05-11 | 奥特赛斯(天津)科技发展有限公司 | Hot-end high-temperature bulk glass identification and removal device and removal method |
| CN113968462A (en) * | 2021-10-18 | 2022-01-25 | 安庆帝伯粉末冶金有限公司 | Valve guide pipe conveying anti-blocking device and anti-blocking method |
| CN114485135A (en) * | 2022-03-22 | 2022-05-13 | 湖南伍子醉实业集团有限公司 | Device for realizing efficient drying of areca nuts by utilizing combination of superheated steam and microwaves |
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| CN203512817U (en) * | 2013-08-27 | 2014-04-02 | 天津振兴水泥有限公司 | Continuous material conveying device for cement production line |
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| CN112775012A (en) * | 2020-12-25 | 2021-05-11 | 奥特赛斯(天津)科技发展有限公司 | Hot-end high-temperature bulk glass identification and removal device and removal method |
| CN113968462A (en) * | 2021-10-18 | 2022-01-25 | 安庆帝伯粉末冶金有限公司 | Valve guide pipe conveying anti-blocking device and anti-blocking method |
| CN114485135A (en) * | 2022-03-22 | 2022-05-13 | 湖南伍子醉实业集团有限公司 | Device for realizing efficient drying of areca nuts by utilizing combination of superheated steam and microwaves |
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Application publication date: 20180508 |