CN106743680B - Filler pneumatic conveys cover plate valve device for discharging - Google Patents
Filler pneumatic conveys cover plate valve device for discharging Download PDFInfo
- Publication number
- CN106743680B CN106743680B CN201611196277.1A CN201611196277A CN106743680B CN 106743680 B CN106743680 B CN 106743680B CN 201611196277 A CN201611196277 A CN 201611196277A CN 106743680 B CN106743680 B CN 106743680B
- Authority
- CN
- China
- Prior art keywords
- plate
- connecting rod
- telescoping cylinder
- discharging
- cover plate
- 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.)
- Active
Links
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
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
- B65G53/40—Feeding or discharging devices
- B65G53/46—Gates or sluices, e.g. rotary wheels
-
- 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
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/04—Conveying materials in bulk pneumatically through pipes or tubes; Air slides
- B65G53/16—Gas pressure systems operating with fluidisation of the materials
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The invention discloses a kind of filler pneumatics to convey cover plate valve device for discharging, including mounting base, the first pressing plate, baiting valve pipe, elastic plate, the second pressing plate, bottom plate, hinge, rocker bar bearing, bracket, installation board support, mounting plate, telescoping cylinder, first connecting rod, second connecting rod, connector；Mounting base is fixed on cone tank bottom, and baiting valve pipe upper end and cone tank are installed；Elastic plate is fixed by the second pressing plate；Bottom plate is equipped with hinge, hinge connects hinge support；Rocker bar bearing is connected on a mounting board；Mounting plate and mounting base are connected, and the other end even installs board support；Board support is installed and hopper inner wall is affixed；Bottom plate is hinged with first connecting rod；First connecting rod is connect with second connecting rod, connector；Second connecting rod is hinged with hinged-support；Connector is connected with telescoping cylinder；Telescoping cylinder is connect with bracket；Bracket is affixed with hopper, and connect with mounting plate；Cover board and baiting valve pipe of the invention is without fretting wear, and service life of equipment is long, good airproof performance, and folding with convenience is compact-sized.
Description
Technical field
The invention belongs to pneumatic conveying field, especially a kind of filler pneumatic conveys cover plate valve device for discharging.
Background technique
Pneumatic conveying is automatic with closed, safe and clean, efficient, small-sized, economy, pipeline flexible arrangement, easily realization because of it
The advantages that changing continuous operation, has been widely used in industries such as chemical industry, cement, thermal power generation.Pneumatic conveying is applicable in mostly at present
In non-sticky, the conveying of particulate material, with the development of industry with the needs of production, it is desirable that air-transport system can convey cohesive powders
Material.The pneumatic conveying important component that discharge valve is in air-transport system.For the delivery requirements for meeting cohesive powders, to discharging
The design and performance of valve are put forward new requirements.The valves such as conventional slide valve or gate valve are easy to make because moving component is stained with powder
It is not applicable in pneumatic conveying cohesive powders occasion at airtight failure or parts depreciation.Therefore calculated viscosity powder how is designed, it is close
Envelope is reliable, folding with convenience, compact-sized, powder discharge smoothly discharge valve have to the popularization and application of pneumatic conveying it is extremely important
Effect.
Pneumatic conveyer discharge valve mainly uses reciprocating blade type valve at present.Japan Patent JP2006170333 (A),
JP2006342859 (A), Chinese patent CN201320737703.3, CN201310282707.1 disclose a kind of using reciprocal
The discharge valve device of blade construction, their working principle are all that the flowing of powder is controlled by reciprocating blade；Reciprocating blade
Type valve is characterized in that, there are two housing parts, this two parts forms the cavity for being packed into reciprocating blade, and blade is opened with one or more
Mouthful, opening is aligned with one or more openings in associated conduit, to control the flowing for the material that need to be transported；Blade is by such as
The Linear actuator positioning of electric cylinder or telescoping cylinder etc.Due to the permanent reciprocating motion of blade, necessarily make to be in contact with it close
Closure material is slowly worn, and is reduced so as to cause the air-tightness of valve；To the airtight of device in pneumatic conveying especially vacuum handling
Property requires high, and discharge valve is generally located in the baiting valve pipe of cyclone separator, if the air-tightness of valve is not high, also influences gas, powder
Separative efficiency.
A kind of rotary spool mechanism is disclosed in Chinese patent CN201520722922.3, CN201320125902.9,
Using spool rotation realize valve folding, and utilize spring compression spool, realize the sealed reliable of valve, solve spool because
The problem of prolonged exercise abrasion and air-tightness reduce, but its flow diameter is mainly limited by spool volume, defeated in powder
In sending, if flow diameter is smaller, powder easily blocks runner, if flow diameter is larger, valve is bulky, involves great expense.
Summary of the invention
Technical problem solved by the invention is to provide a kind of filler pneumatic conveying cover plate valve device for discharging, the discharge valve
Device has a folding with convenience, permanent sealed reliable, long service life, discharging smooth feature when unlatching, and can easily with rotation
Wind separator is integrated, has the characteristics that overall structure miniaturization.
The technical solution for realizing the aim of the invention is as follows:
A kind of filler pneumatic conveying cover plate valve device for discharging, including the fixed device of blanking, valve plate device, connecting rod driving dress
It sets；The fixed device of the blanking includes mounting base, the first pressing plate, baiting valve pipe；The valve plate device includes elastic plate, the second pressure
Plate, bottom plate, hinge, rocker bar bearing；Driving rod drive includes link mechanism, bracket, installation board support, mounting plate, telescoping cylinder；
The link mechanism includes first connecting rod, second connecting rod, connector；
The mounting base is fixed in cyclone separator cone tank bottom cylindrical, baiting valve pipe upper end and whirlwind point
Cone tank installation from device, and be fixed by the first pressing plate with mounting base；The elastic plate is fixed by the second pressing plate
On bottom plate；The upper end of the bottom plate is equipped with hinge, and the other end of hinge is connected with rocker bar bearing；The other end of rocker bar bearing
It is connected in the lower end of mounting plate；Described mounting plate one end and mounting base are connected, and other end lower part is equipped with installation board support；It is described
The other end and the hopper inner wall for installing board support are affixed；The bottom plate lower end and first connecting rod one end are hinged；The first connecting rod
The other end simultaneously connect with one end of second connecting rod, connector；The second connecting rod and pedestal lower end hinged-support are hinged；It is described
The other end of connector is connected with the extension end of telescoping cylinder；The telescoping cylinder other end is connect by pin shaft with pedestal upper end；Institute
It states bracket and hopper inner wall is affixed, and connect with mounting plate upper surface.
Compared with prior art, the present invention its remarkable advantage:
It (1) is not in sealing without fretting wear between the cover board and baiting valve pipe of cover plate valve device for discharging of the invention
Gap leakage after part abrasion, service life of equipment are long；(2) thrust is applied to cover board by link mechanism, under compressing cover board
Expect valve pipe, piston rod, which reserves path increment, can constantly compensate the slight plastic deformation of elastic plate appearance, have better sealing；
(3) cover plate valve device for discharging folding with convenience of the invention, and powder is not easy to plug runner, discharging is smooth；(4) cover plate valve of the present invention
Device for discharging is integrated into hopper, compact-sized, saves the working space of device.
Present invention is further described in detail with reference to the accompanying drawing.
Detailed description of the invention
Fig. 1 is that cover plate valve device for discharging of the present invention and hopper assemble general structure schematic diagram.
Fig. 2 is cover plate valve device for discharging valve closing state structural schematic diagram of the present invention.
Fig. 3 is the present invention flexible jar support, connecting rod installation structure schematic diagram.
Fig. 4 is cover plate valve device for discharging schematic perspective view of the present invention.
Fig. 5 is cover plate valve device for discharging the valve opening state structural schematic diagram of the present invention.
Fig. 6 is that cover plate valve device for discharging valve of the present invention closes connecting rod stress simplified schematic diagram.
Fig. 7 is that cover plate valve device for discharging valve of the present invention opens connecting rod stress simplified schematic diagram.
Fig. 8 is that the vacuum pressure drop of bottom plate device under different pressing forces changes schematic diagram.
Specific embodiment
Below with reference to Fig. 1-8, description of specific embodiments of the present invention:
In conjunction with Fig. 2, filler pneumatic of the present invention conveys cover plate valve device for discharging, including blanking fixed device, valve plate device, company
Rod driving device；The fixed device of the blanking includes mounting base 4, sealing ring 5, the first pressing plate 6, baiting valve pipe 7；The valve plate dress
It sets including elastic plate 8, the second pressing plate 9, bottom plate 10, hinge 16, rocker bar bearing 17；Driving rod drive includes link mechanism, branch
Frame 12, installation board support 15, mounting plate 18, telescoping cylinder 19；The link mechanism includes first connecting rod 11, second connecting rod 13, connects
Connector 14.
In conjunction with Fig. 3, Fig. 4, the mounting base 4 is circular ring structure, for installing baiting valve pipe 7；The mounting base 4 is fixed on
In 3 cone tank bottom cylindrical of cyclone separator, it is co-axially mounted with cone tank bottom；The baiting valve pipe 7 is cylindrical
Structure, upper end and the cone tank of cyclone separator 3 are co-axially mounted, and lower end is equipped with inclined-plane discharge port；Baiting valve pipe 7 passes through first
Pressing plate 6 is fixed with mounting base 4；First pressing plate 6 is circular ring structure, by the connection of the first pressing plate 6 and mounting base 4 with
Realize the sealing of baiting valve pipe 7；
As the further improvement to above embodiment, sealing ring 5 is equipped between the baiting valve pipe 7 and mounting base 4；
The elastic plate 8 is slab construction made of elastic material；Elastic plate 8 is mounted on bottom plate 10, the bottom plate 10
For slab construction；Elastic plate 8 is fixed on bottom plate 10 by the second pressing plate 9；Second pressing plate 9 is rectangular frame structure；Institute
The upper end for stating elastic plate 8 is slightly above 9 upper surface of the second pressing plate；The upper end of the bottom plate 10 is equipped with hinge 16, hinge 16 it is another
One end is connected with rocker bar bearing 17；The rocker bar bearing 17 is L-type structure, and the other end of rocker bar bearing 17 is connected in mounting plate 18
Lower end, the mounting plate 18 is sector structure, and one end and mounting base 4 are connected, and other end lower part is symmetrically equipped with mounting plate
Support 15；The installation board support 15 is L-type structure, and the other end and 22 inner wall of hopper for installing board support 15 are affixed, mounting plate
Support 15 plays a supportive role to mounting plate 18 and telescoping cylinder 19；
In some embodiments, the elastic plate 8 is silica gel plate or foamed board；
It is hinged with 11 one end of first connecting rod in the middle part of 10 lower end of bottom plate in conjunction with Fig. 5；The other end of the first connecting rod 11
It is connect simultaneously with one end of second connecting rod 13, connector 14 by pin shaft；The second connecting rod 13 and 12 lower end hinged-support of bracket
Hingedly；The connector 14 is U-shaped structure, and the other end of connector 14 is connected with the extension end of telescoping cylinder 19；The telescoping cylinder 19
The other end is connect by pin shaft with 12 upper end of bracket；The bracket 12 is y-type structure, and upper end is equipped with two of installation telescoping cylinder 19
Mounting plate, telescoping cylinder 19 are located between two mounting plates, and 12 lower end of bracket is equipped with the installation of installation 13 hinged-support of the second connecting rod
Plate；The bracket 12 and 22 inner wall of hopper are affixed, bracket 12 be used to connect two mounting plate lower ends of telescoping cylinder 19 with installation
The connection of 18 upper surface of plate；
In some embodiments, the telescoping cylinder 19 is cylinder, hydraulic cylinder or electric cylinder.
Further improvement 19 path increment of telescoping cylinder as above embodiment is greater than 19 motion process of telescoping cylinder
Stroke, 19 piston rod of telescoping cylinder, which reserves path increment, can constantly compensate the slight plastic deformation of the appearance of elastic plate 8, have more preferable
Leakproofness.
As the further improvement to above embodiment, 19 fixing end of telescoping cylinder is equipped with 90 degree of elbows 21,90
Degree 21 other end of elbow is connect with quick-release connector 20, prevents quick-release connector 20 and cone tank wall in 19 action process of telescoping cylinder from generating
Interference.
When work, 19 piston rod of telescoping cylinder stretches out, and second connecting rod 13 is rotated around 12 lower end hinged-support of bracket, second connecting rod 13
Angle between 22 inner wall of hopper increases, and telescoping cylinder 19 is pushed to swing around tail portion pin shaft, in 19 center line of telescoping cylinder and hopper 22
Angle between wall also increases；Under the action of telescoping cylinder 19 and second connecting rod 13, first connecting rod 11 be connected with connector 14 one
End moves downwards, pushes the other end rotation of first connecting rod 11, and the angle between first connecting rod 11 and second connecting rod 13 increases, bullet
Property plate 8 compress 7 lower end inclined-plane of baiting valve pipe, realize sealing；When sealing, vacuum pump is vacuumized from interface 1, and powder and gas are from connecing
Mouth 2 enters in cyclone separator 3, is gathered in baiting valve pipe 7 by cyclone separator 3；After assembling certain powder, stretch
19 piston rod of contracting cylinder retracts, and second connecting rod 13 is rotated backward around 12 lower end hinged-support of bracket, second connecting rod 13 and 22 inner wall of hopper
Between angle reduce, angle of the telescoping cylinder 19 between tail portion pin shaft backswing, 22 inner wall of 19 center line of telescoping cylinder and hopper
Reduce；One end that first connecting rod 11 is connected with connector 14 moves upwards, and the other end of first connecting rod 11 is driven to rotate backward,
Angle between first connecting rod 11 and second connecting rod 13 reduces, and valve is opened, and powder is discharged from feed opening；Gas is passed through from interface 1 simultaneously
Body, can further secondary discharge.
Embodiment 1. calculates separately telescoping cylinder 19 in conjunction with Fig. 6, Fig. 7 and stretches to the normal thrust of bottom plate 10 and the design of telescoping cylinder
Length, in conjunction with the positional relationship of telescoping cylinder 19, link mechanism, bottom plate:
Wherein F is vertical compressive force of the telescoping cylinder 19 to bottom plate 10；α is the folder of 19 center line of telescoping cylinder and 22 inner wall of hopper
Angle；β is the angle of second connecting rod 13 and 22 inner wall of hopper；δ is the angle of bottom plate 10 and baiting valve pipe 7；γ is first connecting rod 11
With the angle of second connecting rod 13；T is the thrust of telescoping cylinder 19；A be 19 fixing end pin shaft center of telescoping cylinder with it is hinged under bracket 12
The distance at bore center；Length when b is 19 working condition of telescoping cylinder；C is the length of second connecting rod 13；
In a particular embodiment, the bleed pressure of telescoping cylinder 19 is 0.3MPa, and 19 diameter of piston rod of telescoping cylinder is
25mm, 19 fixing end pin shaft center of telescoping cylinder and 12 lower hinge support hole center distance a=170mm of bracket, second connecting rod 13 are long
C=50mm is spent, the quality of valve plate is 0.4kg (including bottom plate 10, elastic plate 8, second pressing plate 9)
(1) when cover plate valve device for discharging valve is closed, and elastic plate 8 compresses baiting valve pipe 7, α is 21 °, and β is 49 °, and γ is
121 °, δ is 44 °, and according to formula (1), vertical compressive force is 75.4N at this time；
In conjunction with Fig. 8, when vertical compressive force is greater than 60N, when the valve closing state of cover plate valve device for discharging, whirlwind point is measured
It is held essentially constant from pressure drop in device 3, at this time vertical compressive force F > 60N, the good seal performance of device.
(2) when valve fully opens, α is 10 °, and β is 15 °, and γ is 41 °, and δ is 12 °, according to formula (1) vertical compressive force at this time
For 22.9N；
In a particular embodiment, the component perpendicular to bottom plate direction that valve plate gravity generates is 0.815N, vertical to press
Clamp force F is much larger than 0.815N, and valve still has enough vertical compressive forces can be by the smooth closing of valve in opening state.
(3) when valve is closed, telescoping cylinder stretches out, according to the length b of formula (2) telescoping cylinder0For 147mm；When valve is opened, telescoping cylinder
It retracts, according to the length b of formula (2) telescoping cylinder1For 124mm, the stroke Δ b=b of available 19 motion process of telescoping cylinder0-b1
=23mm, in the present embodiment, the stroke of cylinder are 25mm, and the stroke of telescoping cylinder 19 is greater than stretching for 19 motion process of telescoping cylinder
Contracting amount has reserved certain path increment, after being slightly plastically deformed occurs in elastic plate 8, can compensate, compress elastic plate 8
Baiting valve pipe 7.
Claims (9)
1. a kind of filler pneumatic conveys cover plate valve device for discharging, which is characterized in that including blanking fixed device, valve plate device, company
Rod driving device；The fixed device of the blanking includes mounting base (4), the first pressing plate (6), baiting valve pipe (7)；The valve plate device
Including elastic plate (8), the second pressing plate (9), bottom plate (10), hinge (16), rocker bar bearing (17)；Driving rod drive includes connecting rod
Mechanism, bracket (12), installation board support (15), mounting plate (18), telescoping cylinder (19)；The link mechanism includes first connecting rod
(11), second connecting rod (13), connector (14)；
The mounting base (4) is fixed in cyclone separator (3) cone tank bottom cylindrical, baiting valve pipe (7) upper end with
The cone tank of cyclone separator (3) is installed, and is fixed by the first pressing plate (6) with mounting base (4)；The elastic plate
(8) it is fixed on bottom plate (10) by the second pressing plate (9)；The upper end of the bottom plate (10) is equipped with hinge (16), hinge (16)
The other end be connected with rocker bar bearing (17)；The other end of rocker bar bearing (17) is connected in the lower end of mounting plate (18)；The peace
Loading board (18) one end and mounting base (4) are connected, and other end lower part is equipped with installation board support (15)；The installation board support (15)
The other end and hopper (22) inner wall it is affixed；Bottom plate (10) lower end and first connecting rod (11) one end are hinged；Described first connects
The other end of bar (11) is connect with one end of second connecting rod (13), connector (14) simultaneously；The second connecting rod (13) and bracket
(12) lower end hinged-support is hinged；The other end of the connector (14) is connected with the extension end of telescoping cylinder (19)；The telescoping cylinder
(19) other end is connect by pin shaft with bracket (12) upper end；The bracket (12) and hopper (22) inner wall are affixed, and with installation
The connection of plate (18) upper surface；Baiting valve pipe (7) lower end is equipped with inclined-plane discharge port；
The telescoping cylinder (19), link mechanism, bottom plate (10) positional relationship meet:
Wherein F is the vertical compressive force of telescoping cylinder (19) to bottom plate (10)；α is telescoping cylinder (19) center line and hopper (22) inner wall
Angle；β is the angle of second connecting rod (13) and hopper (22) inner wall；δ is the angle of bottom plate (10) and baiting valve pipe (7)；γ
For the angle of first connecting rod (11) and second connecting rod (13)；T is the thrust of telescoping cylinder (19)；A is telescoping cylinder (19) fixing end pin
Axis center is at a distance from bracket (12) lower hinge support hole center；Length when b is telescoping cylinder (19) working condition；C is the second company
The length of bar (13).
2. filler pneumatic according to claim 1 conveys cover plate valve device for discharging, it is characterised in that the fixed dress of the blanking
Setting further includes sealing ring (5), and the sealing ring (5) is located between baiting valve pipe (7) and mounting base (4).
3. filler pneumatic according to claim 1 conveys cover plate valve device for discharging, it is characterised in that the telescoping cylinder (19)
For cylinder, hydraulic cylinder or electric cylinder.
4. filler pneumatic according to claim 1 conveys cover plate valve device for discharging, it is characterised in that the elastic plate (8) is
With slab construction made of elastic material.
5. filler pneumatic according to claim 4 conveys cover plate valve device for discharging, it is characterised in that the elastic plate (8) is
Silica gel plate or foamed board.
6. filler pneumatic according to claim 1 conveys cover plate valve device for discharging, it is characterised in that the telescoping cylinder (19)
Fixing end is equipped with 90 degree of elbows (21), and 90 degree of elbow (21) other ends are connect with quick-release connector (20).
7. filler pneumatic according to claim 1 conveys cover plate valve device for discharging, it is characterised in that the telescoping cylinder (19)
Path increment is greater than the stroke of telescoping cylinder (19) motion process.
8. filler pneumatic according to claim 1 conveys cover plate valve device for discharging, it is characterised in that the baiting valve pipe (7)
For cylindrical tubular structure.
9. filler pneumatic according to claim 1 conveys cover plate valve device for discharging, it is characterised in that the elastic plate (8)
Upper end is higher than the second pressing plate (9) upper surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611196277.1A CN106743680B (en) | 2016-12-22 | 2016-12-22 | Filler pneumatic conveys cover plate valve device for discharging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611196277.1A CN106743680B (en) | 2016-12-22 | 2016-12-22 | Filler pneumatic conveys cover plate valve device for discharging |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106743680A CN106743680A (en) | 2017-05-31 |
| CN106743680B true CN106743680B (en) | 2019-04-16 |
Family
ID=58900303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611196277.1A Active CN106743680B (en) | 2016-12-22 | 2016-12-22 | Filler pneumatic conveys cover plate valve device for discharging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106743680B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113060558B (en) * | 2021-03-30 | 2021-11-02 | 中国医学科学院阜外医院 | Glove powdering device |
| CN113928865A (en) * | 2021-10-25 | 2022-01-14 | 上海颜钛实业有限公司 | Pneumatic conveying system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB167366A (en) * | 1920-06-29 | 1921-08-11 | Simon Ltd Henry | Improvements in apparatus for the pneumatic transport of grain and other granular orlike materials |
| LU77475A1 (en) * | 1976-06-04 | 1977-09-19 | ||
| KR101171089B1 (en) * | 2012-03-28 | 2012-08-03 | (주)유로파 | Chute assembly for automatic waste collection system |
| CN202848048U (en) * | 2012-08-13 | 2013-04-03 | 安徽蓝基自动化设备科技有限公司 | Turning plate door device applied to powder packing scale |
| CN203512465U (en) * | 2013-09-30 | 2014-04-02 | 青岛益瑞科机械有限公司 | Pneumatic switching mechanism of bin door of traditional Chinese medicine decoction dreg storage bin |
| CN205136619U (en) * | 2015-10-19 | 2016-04-06 | 吴忠仪表有限责任公司 | Two board individual drives turn over board -like baiting valve |
| CN205771123U (en) * | 2016-05-19 | 2016-12-07 | 大自然生物集团有限公司 | A kind of pneumatic discharging device |
-
2016
- 2016-12-22 CN CN201611196277.1A patent/CN106743680B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB167366A (en) * | 1920-06-29 | 1921-08-11 | Simon Ltd Henry | Improvements in apparatus for the pneumatic transport of grain and other granular orlike materials |
| LU77475A1 (en) * | 1976-06-04 | 1977-09-19 | ||
| KR101171089B1 (en) * | 2012-03-28 | 2012-08-03 | (주)유로파 | Chute assembly for automatic waste collection system |
| CN202848048U (en) * | 2012-08-13 | 2013-04-03 | 安徽蓝基自动化设备科技有限公司 | Turning plate door device applied to powder packing scale |
| CN203512465U (en) * | 2013-09-30 | 2014-04-02 | 青岛益瑞科机械有限公司 | Pneumatic switching mechanism of bin door of traditional Chinese medicine decoction dreg storage bin |
| CN205136619U (en) * | 2015-10-19 | 2016-04-06 | 吴忠仪表有限责任公司 | Two board individual drives turn over board -like baiting valve |
| CN205771123U (en) * | 2016-05-19 | 2016-12-07 | 大自然生物集团有限公司 | A kind of pneumatic discharging device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106743680A (en) | 2017-05-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106743680B (en) | Filler pneumatic conveys cover plate valve device for discharging | |
| US20070095945A1 (en) | Device for conveying coating powder and method for conveying powder with the conveying device | |
| US9903351B2 (en) | Piston-type transfer pump device, method for transferring particulate solid matter using such a device, application of the method to the feeding of a gasification reactor | |
| CN105173736A (en) | Powder pressurizing and conveying device, system and method | |
| CN200946677Y (en) | Millstone type ceramic valve for material conveying | |
| CN208994688U (en) | A kind of shutting off valve spray gun easy to control for powder charging equipment | |
| CN207500544U (en) | A kind of spherical shape plugging type check valve | |
| CN212563616U (en) | Automatic cone valve and slurry pump comprising same | |
| CN216077458U (en) | Piston pump and piston pump system for conveying paste materials | |
| CN214944767U (en) | Volume type tailing slurry delivery pump | |
| CN204083466U (en) | Without impacting Double-deck cinder discharge valve | |
| CN201516986U (en) | Bidirectional self-locking type discharge valve | |
| CN201427788Y (en) | Helical structure | |
| CN206377308U (en) | The membrane pump of a kind of check-valves including the check-valves and the filter press including the membrane pump | |
| CN210050015U (en) | Lifting chamber of plunger pump | |
| CN211397836U (en) | Multi-application diaphragm pump | |
| CN101846241B (en) | Disc conveyor | |
| CN201485072U (en) | Tray conveyor | |
| CN208397410U (en) | Double film rooms angle stroke pneumatic diaphragm actuator | |
| CN208070690U (en) | A kind of screw conveyor | |
| CN205896220U (en) | Powder feed valve | |
| CN111606053A (en) | Rotary powder pressurizing and conveying device | |
| CN205046070U (en) | Powder pressurization conveyor and system | |
| CN210192816U (en) | Swing type ceramic inlet and outlet integrated valve for dry powder medium | |
| CN208761672U (en) | A kind of pneumatic delivery bin pump of sealing device in pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20170531 Assignee: JIANGSU JOYEA Corp. Assignor: NANJING University OF SCIENCE AND TECHNOLOGY Contract record no.: X2022980007223 Denomination of invention: Discharge device of cover valve for pneumatic conveying of powder Granted publication date: 20190416 License type: Common License Record date: 20220607 |
|
| EE01 | Entry into force of recordation of patent licensing contract |