CN111841448A - Automatic feeding device of reaction kettle - Google Patents
Automatic feeding device of reaction kettle Download PDFInfo
- Publication number
- CN111841448A CN111841448A CN202010630813.4A CN202010630813A CN111841448A CN 111841448 A CN111841448 A CN 111841448A CN 202010630813 A CN202010630813 A CN 202010630813A CN 111841448 A CN111841448 A CN 111841448A
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- sealing cover
- kettle
- opening
- reaction kettle
- automatic feeding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/008—Feed or outlet control devices
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
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Abstract
The invention relates to the technical field of automatic feeding of reaction kettles, and provides an automatic feeding device for a reaction kettle, which comprises a sealing mechanism, wherein the sealing mechanism comprises a kettle body and a sealing cover, and a kettle opening flange matched with the sealing cover is arranged at an opening position of the kettle body; the sealing cover can be in sealing connection with or separated from the kettle opening flange by rotating a preset angle; the sealing cover is provided with a convex structure, and the convex structure is provided with a jack; the screwing opening and closing mechanism is used for driving the sealing cover to rotate by a preset angle; the feeding mechanism is provided with a lifting feeding pipe; after the sealing cover is separated from the kettle opening flange, the feeding pipe descends and extends into the kettle body to finish feeding. The invention adopts a screwing opening and closing mechanism to realize the screwing and unscrewing of the sealing cover; automatic feeding is realized through a lifting feeding pipe. The full automation of the opening, feeding and closing processes of the reaction kettle cover body is realized; the manual operation is replaced, the production efficiency is improved, and the effective working time of the equipment is greatly prolonged.
Description
Technical Field
The invention belongs to the technical field of automatic feeding of reaction kettles, and particularly relates to an automatic feeding device for a reaction kettle.
Background
The sealing of the reaction kettle on the bucket opening and the cover body needs to be certain, a flange is usually arranged at the connecting part of the bucket opening and the cover body in the prior art, a sealing ring is arranged on the combining surface of the bucket opening and the cover body, and then the bucket opening and the cover body are tightly attached through bolts to realize sealing.
Although the leakproofness can be ensured to this mode, to some reation kettle that need open the lid and feed in raw material, because adopt manual work more, the operation process is loaded down with trivial details, leads to the loading and unloading of lid more consuming time, has reduced the work efficiency of equipment, influences the production beat. And the working environment has dust, irritant gas and other pollution, which is not good for the health of the operators.
In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.
Disclosure of Invention
Aiming at the defects, the invention aims to provide an automatic feeding device of a reaction kettle, wherein a rotary opening-closing type sealing cover is arranged on a kettle body, and a rotary opening-closing mechanism is adopted to realize the rotary opening and closing of the sealing cover; and then automatically feeding through a liftable feeding pipe. The full automation of the opening, feeding and closing processes of the reaction kettle cover body is realized; the manual operation is replaced. The action process is rapid, the consumed time is short, the production efficiency is improved, and the effective working time of the equipment is greatly increased.
In order to achieve the aim, the invention provides an automatic feeding device of a reaction kettle, which comprises a sealing mechanism, wherein the sealing mechanism comprises a kettle body and a sealing cover, and a kettle opening flange matched with the sealing cover is arranged at the opening position of the kettle body; the sealing cover can be in sealing connection with or separated from the kettle opening flange by rotating a preset angle;
the sealing cover is provided with a convex structure, and the convex structure is provided with a jack;
the screwing opening and closing mechanism is used for driving the sealing cover to rotate by a preset angle;
the feeding mechanism is provided with a lifting feeding pipe; after the sealing cover is separated from the kettle opening flange, the feeding pipe descends and extends into the kettle body to finish feeding.
According to the automatic feeding device of the reaction kettle, the screwing opening and closing mechanism comprises:
the lifting plate can stretch out and draw back in the vertical direction, and a rotating piece is arranged below the lifting plate;
a rotating member rotatable in a horizontal plane and having a plug; the plug is inserted into or disengaged from the receptacle of the sealing cap by an extending or retracting action.
According to the automatic feeding device for the reaction kettle, the rotary piece is fixedly provided with the clamping cylinder, and the telescopic part of the clamping cylinder is provided with the plug.
According to the automatic feeding device of the reaction kettle, the rotating piece is in transmission connection with the rotating motor fixed on the lifting plate; the lifting plate is connected with a lifting cylinder.
According to the automatic feeding device of the reaction kettle, the sealing cover is provided with the anti-rotation inserting strip, and the kettle opening flange is provided with the anti-rotation inserting opening matched with the anti-rotation inserting strip; the anti-rotation inserting strip realizes the locking or unlocking of the sealing cover by being inserted into or separated from the anti-rotation inserting opening.
According to the automatic feeding device of the reaction kettle, the anti-rotation inserting strips are connected with the jacking blocks, the jacking blocks are connected with the restoring rods which can movably enter and exit the protruding structures of the sealing covers, and the restoring rods are sleeved with the restoring springs.
According to the automatic feeding device of the reaction kettle, the sealing cover is hermetically connected with the kettle opening flange in a threaded connection mode.
According to the automatic feeding device of the reaction kettle, the outer side surface of the kettle opening flange is uniformly and annularly provided with the buckling strips; correspondingly, the inner side surface of the sealing cover is also uniformly provided with the same number of buckling strips in a surrounding manner.
According to the automatic feeding device of the reaction kettle, the screwing opening and closing mechanism is connected with the transverse moving cylinder; the transverse moving cylinder extends out, and the screwing opening and closing mechanism is conveyed to the upper part of the kettle body; the transverse moving cylinder retracts to bring the screwing opening and closing mechanism to one side of the kettle body.
According to the automatic feeding device for the reaction kettle, the kettle body of the reaction kettle is rotatably erected on the fixed frame and is in transmission connection with the rotating motor.
The invention aims to provide an automatic feeding device of a reaction kettle, wherein a rotary opening-closing type sealing cover is arranged on a kettle body, and a rotary opening-closing mechanism is adopted to realize the rotary opening and closing of the sealing cover; and then automatically feeding through a liftable feeding pipe. The full automation of the opening, feeding and closing processes of the reaction kettle cover body is realized; the manual operation is replaced. The action process is rapid, the consumed time is short, the production efficiency is improved, and the effective working time of the equipment is greatly increased.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a portion of the region of FIG. 1;
FIG. 3 is a schematic structural view of an operating state of the present invention;
FIG. 4 is a schematic structural view of one embodiment of the seal cap of the present invention;
FIG. 5 is a schematic view of the structure of the local area in FIG. 4;
FIG. 6 is a functional schematic diagram of an embodiment of the present invention;
FIG. 7 is a functional schematic diagram of an embodiment of the present invention;
FIG. 8 is a schematic structural view of one embodiment of the seal cap of the present invention;
FIG. 9 is a schematic structural view of an embodiment of the kettle mouth flange of the present invention;
FIG. 10 is a schematic view of one embodiment of the seal cap of the present invention;
FIG. 11 is a functional schematic diagram of an embodiment of the present invention;
In the figure: 1-lifting plate, 11-lifting cylinder and 12-transverse moving cylinder; 2-rotating part, 21-rotating motor, 22-clamping cylinder, 221-pushing block, 222-plug; 3-a sealing cover, 31-a jack, 32-an anti-rotation insert, 33-a jacking block, 34-a return rod, 35-a return spring and 36-a sealing ring; 4-kettle body, 41-kettle mouth flange, 42-anti-rotation socket, 43-buckling strip and 44-rotating motor; 5-a feeding pipe, 51-a lifting piece and 52-a lifting rail; 100-screwing opening and closing mechanism.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and embodiments, it being understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Referring to fig. 1, the present invention provides an automatic feeding device for a reaction kettle, comprising:
The sealing mechanism, referring to fig. 3, comprises a kettle body 4 and a sealing cover 3, wherein a kettle mouth flange 41 used for being matched with the sealing cover 3 is arranged at an opening position of the kettle body 4; the sealing cover 3 can be in sealing connection with the kettle mouth flange 41 or separated from the kettle mouth flange by rotating a preset angle;
referring to fig. 4, the sealing cover 3 has a protruding structure, and the protruding structure is provided with a plug hole 31;
a screw opening and closing mechanism 100 for driving the sealing cap 3 to rotate by a predetermined angle;
the feeding mechanism is provided with a lifting feeding pipe 5; after the sealing cover 3 and the kettle opening flange 41 are separated from each other, the feeding pipe 5 descends and extends into the kettle body 4 from the kettle opening flange 41 to finish feeding; after the feeding is finished, the feeding pipe 5 is lifted; and (5) reacting materials in the reaction kettle.
As an embodiment, the kettle body 4 of the reaction kettle is rotatably erected on the fixed frame, and the kettle body 4 is in transmission connection with the rotating motor 44; the rotating motor 44 drives the kettle body 4 to rotate, and the kettle mouth is adjusted to the right upper position after the reaction is finished; after the sealing cover 3 is unscrewed and moved to one side by the screwing opening and closing mechanism 100, the kettle opening is turned over to enable the material to flow out, then the kettle opening is adjusted to the upper position, the feeding is completed, and the next cycle is started.
The filling tube 5 is preferably a hose having sufficient elasticity. The feeding tube 5 is fixed on a lifting member 51, and the lifting member 51 can move up and down along a lifting rail 52. The person skilled in the art can use a well-known transmission structure to realize the lifting action of the lifting member 51; for example, the lifting member 51 is driven to lift by an air cylinder or the lifting rail 52 is provided with a synchronous belt and driven by a motor to realize the lifting action.
The screwing opening and closing mechanism 100 is connected with the transverse moving cylinder 12, the transverse moving cylinder 12 extends out of the screwing opening and closing mechanism 100 and is sent to a working position, and the sealing cover 3 is unscrewed; then the traversing cylinder 12 retracts, and the screwing opening and closing mechanism 100 drives the sealing cover 3 to move to one side of the reaction kettle; after the kettle body 4 finishes feeding, the transverse moving cylinder 12 extends out again to screw the opening and closing mechanism 100 to close the sealing cover 3.
The rotary opening and closing type sealing cover 3 is arranged on the kettle body 4, and the rotary opening and closing and the rotary opening of the sealing cover 3 are realized by adopting the rotary screwing opening and closing mechanism 100; then automatically feeding through a lifting feeding pipe 5. The full automation of the opening, feeding and closing processes of the reaction kettle cover body is realized; the manual operation is replaced. The action process is rapid, the consumed time is short, the production efficiency is improved, and the effective working time of the equipment is greatly increased.
The sealing cover 3 is in sealing connection with the kettle opening flange 41 in a threaded connection mode.
As an embodiment, referring to fig. 6-a, the sealing cover 3 of the present invention is sleeved with a sealing ring 36 on the outer side;
referring to fig. 6-b, the outer side surface of the sealing cover 3 is in threaded connection with the inner side surface of the kettle mouth flange 41; when closing the cover, the sealing cover 3 is sent to the position where the sealing cover contacts with the sealing cover; preferably, the sealing ring 36 is sleeved under the thread on the outer side surface of the sealing cover 3.
Referring to fig. 6-c, the sealing cap 3 is rotated to a predetermined angle, such as 180 ° or an integral multiple of 180 °, and screwed into place; the sealing ring 36 is tightly attached to the side wall of the kettle mouth flange 41 to complete the cover closing.
As an example, referring to fig. 7, the inner side surface of the sealing cover 3 is screwed with the outer side surface of the kettle mouth flange 41; furthermore, an annular groove is formed in the inner top surface of the sealing cover 3, and a sealing ring 36 is arranged in the annular groove.
As an embodiment, referring to fig. 9, the outer side surface of the kettle mouth flange 41 is uniformly and annularly provided with fastening strips 43; referring to fig. 10, correspondingly, the inner side surface of the sealing cover 3 is also uniformly provided with the same number of fastening strips 43; the arc length between two adjacent fastening strips 43 is longer than the length of the fastening strips 43.
Referring to fig. 11, the fastening strips 43 of the sealing cover 3 are staggered and opposite to the fastening strips 43 of the kettle mouth flange 41; the sealing cover 3 rotates a certain angle after being pressed down to the right position, and the buckling strips 4 of the sealing cover and the sealing cover are overlapped up and down to realize the sealing of the sealing cover and the sealing cover.
Further, a sealing ring 36 is arranged on the upper top surface of the kettle mouth flange 41.
The number of the snap strips 43 of the sealing cover 3 is preferably three, four or six. Other numbers such as five, seven, eight or nine may also be chosen adaptively according to the specifications.
The number of the fastening strips 43 determines the rotation angle of the sealing cover 3. If the number of the buckling strips 43 is three, the rotation angle is 60 degrees; the buckling strips 43 are four in number, and the rotation angle is 45 degrees; the buckling strips 43 are six and the rotation angle is 30 degrees; and so on.
As an example, in order to prevent the sealing cover 3 from loosening due to rotation or vibration of the kettle body 4 in the subsequent production process, referring to fig. 4 and 8, the sealing cover 3 is provided with an anti-rotation insert 32, and the kettle mouth flange 41 is provided with an anti-rotation socket 42 matched with the anti-rotation insert 32; the anti-rotation insert 32 achieves locking or unlocking of the sealing cover 3 by insertion into or disengagement from the anti-rotation socket 42.
Referring to fig. 5, the anti-rotation insert 32 is connected with an ejecting block 33, the ejecting block 33 is connected with a return rod 34 which can move in and out of the protruding structure of the sealing cover 3, and the return rod 34 is sleeved with a return spring 35;
the jacking block 33 is pushed to advance by external force, the anti-rotation inserting strip 32 is separated from the anti-rotation inserting hole 42, and the sealing cover 3 is unlocked; otherwise, the sealing lid 3 is locked.
When the cover is closed, when the sealing cover 3 rotates to a preset angle, the anti-rotation inserting strip 32 is opposite to the anti-rotation inserting hole 42; at this time, the clamping cylinder 22 operates to retract the pushing block 221, so that the anti-rotation insert 32 is inserted into the anti-rotation socket 42, and the plug 222 leaves the insertion hole 31.
When the cover is opened, after the clamping cylinder 22 is in place, the pushing block 221 extends out, and the anti-rotation inserting strip 32 is separated from the anti-rotation socket 42; while plug 222 enters jack 31.
Referring to fig. 2, the screw opening and closing mechanism 100 of the present invention includes:
the lifting plate 1 can stretch out and draw back in the vertical direction, and a rotating part 2 is arranged below the lifting plate 1;
a rotary member 2 rotatable in a horizontal plane and having a plug 222; the plug 222 is inserted into or disengaged from the insertion hole 31 provided in the projection structure of the sealing cover 3 by an extending or retracting action;
the clamping cylinder 22 is fixed on the rotating member 2, and the plug 222 is arranged on the telescopic part of the clamping cylinder 22; the clamp cylinders 22 are preferably two;
the rotating piece 2 is connected with a rotating motor 21 fixed on the lifting plate 1 in a transmission way; referring to fig. 3, a kettle opening flange 41 is arranged at the opening position of the kettle body 4, and the kettle opening flange 41 is matched with the sealing cover 3 to realize the sealing of the reaction kettle.
The sealing cover 3 is provided with a convex structure, and the convex structure is provided with a jack 31; the plug 222 of the clamping cylinder 22 is inserted into the insertion hole 31. Preferably, the telescopic portion of the clamping cylinder 22 is connected to the pushing block 221, and the plug 222 is disposed on the pushing block 221. The pushing block 221 is used to push the pushing block 33 of the anti-rotation slip 32.
The lifting plate 1 is connected with lifting cylinders 11, and the number of the lifting cylinders 11 is preferably 4 in consideration of stress balance.
The lifting cylinder 11 acts, the lifting plate 1 moves downwards, and the clamping cylinder 22 reaches a preset position; then the clamping cylinder 22 acts, the plug 222 extends and is inserted into the jack 31, and the sealing cover 3 is clamped; then the rotating motor 21 acts, the rotating member 2 rotates for a preset angle, the lifting cylinder 11 moves along with the rotating member, the lifting plate 1 rises, the sealing cover 3 is separated from the kettle opening flange 41, and the cover opening process of the sealing cover 3 is completed.
After the materials are added into the reaction kettle, the actions are repeated, the rotating motor 21 rotates reversely, and the cover closing process of the sealing cover 3 is completed.
The lifting device is hung above a reaction kettle, the telescopic part of the lifting cylinder 11 is connected with the lifting plate 1, and the fixing part can be arranged on a fixed frame body or a horizontally moving frame body according to the use requirement.
In conclusion, the invention provides an automatic feeding device of a reaction kettle, wherein a rotary opening-closing type sealing cover is arranged on a kettle body, and a rotary opening-closing mechanism is adopted to realize the rotary opening and closing of the sealing cover; and then automatically feeding through a liftable feeding pipe. The full automation of the opening, feeding and closing processes of the reaction kettle cover body is realized; the manual operation is replaced. The action process is rapid, the consumed time is short, the production efficiency is improved, and the effective working time of the equipment is greatly increased.
The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. The utility model provides a reation kettle automatic material conveying device which characterized in that includes:
the sealing mechanism comprises a kettle body and a sealing cover, wherein a kettle opening flange matched with the sealing cover is arranged at the opening position of the kettle body; the sealing cover can be in sealing connection with or separated from the kettle opening flange by rotating a preset angle;
the sealing cover is provided with a convex structure, and the convex structure is provided with a jack;
the screwing opening and closing mechanism is used for driving the sealing cover to rotate by a preset angle;
the feeding mechanism is provided with a lifting feeding pipe; after the sealing cover is separated from the kettle opening flange, the feeding pipe descends and extends into the kettle body to finish feeding.
2. The automatic feeding device of reaction kettle according to claim 1, wherein the screwing opening and closing mechanism comprises:
the lifting plate can stretch out and draw back in the vertical direction, and a rotating piece is arranged below the lifting plate;
A rotating member rotatable in a horizontal plane and having a plug; the plug is inserted into or disengaged from the receptacle of the sealing cap by an extending or retracting action.
3. The automatic feeding device for the reaction kettle according to claim 2, wherein a clamping cylinder is fixed on the rotating member, and the plug is arranged on a telescopic part of the clamping cylinder.
4. The automatic feeding device of the reaction kettle according to claim 2, wherein the rotating member is in transmission connection with a rotating motor fixed on the lifting plate; the lifting plate is connected with a lifting cylinder.
5. The automatic feeding device of the reaction kettle according to claim 1, wherein the sealing cover is provided with an anti-rotation insert, and the kettle mouth flange is provided with an anti-rotation socket matched with the anti-rotation insert; the anti-rotation inserting strip realizes the locking or unlocking of the sealing cover by being inserted into or separated from the anti-rotation inserting opening.
6. The automatic feeding device of the reaction kettle according to claim 5, wherein the anti-rotation insert is connected with a jacking block, the jacking block is connected with a return rod which can movably enter and exit the protruding structure of the sealing cover, and the return rod is sleeved with a return spring.
7. The automatic feeding device of the reaction kettle according to claim 1, wherein the sealing cover is hermetically connected with the kettle mouth flange in a screw connection mode.
8. The automatic feeding device of the reaction kettle according to claim 7, wherein buckling strips are uniformly and annularly arranged on the outer side surface of the kettle opening flange; correspondingly, the inner side surface of the sealing cover is also uniformly provided with the same number of buckling strips in a surrounding manner.
9. The automatic feeding device of the reaction kettle according to any one of claims 1 to 8, wherein the screwing opening and closing mechanism is connected with a traversing cylinder; the transverse moving cylinder extends out, and the screwing opening and closing mechanism is conveyed to the upper part of the kettle body; the transverse moving cylinder retracts to bring the screwing opening and closing mechanism to one side of the kettle body.
10. The automatic feeding device of the reaction kettle according to claim 9, wherein the kettle body of the reaction kettle is rotatably erected on a fixed frame, and the kettle body is in transmission connection with a rotating motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010630813.4A CN111841448A (en) | 2020-07-01 | 2020-07-01 | Automatic feeding device of reaction kettle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010630813.4A CN111841448A (en) | 2020-07-01 | 2020-07-01 | Automatic feeding device of reaction kettle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111841448A true CN111841448A (en) | 2020-10-30 |
Family
ID=73153346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010630813.4A Withdrawn CN111841448A (en) | 2020-07-01 | 2020-07-01 | Automatic feeding device of reaction kettle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111841448A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115077254A (en) * | 2022-06-14 | 2022-09-20 | 中国恩菲工程技术有限公司 | Feeding device |
-
2020
- 2020-07-01 CN CN202010630813.4A patent/CN111841448A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115077254A (en) * | 2022-06-14 | 2022-09-20 | 中国恩菲工程技术有限公司 | Feeding device |
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Application publication date: 20201030 |
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