CN211056223U - Positive pressure dense-phase conveying system - Google Patents
Positive pressure dense-phase conveying system Download PDFInfo
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- CN211056223U CN211056223U CN201921818980.0U CN201921818980U CN211056223U CN 211056223 U CN211056223 U CN 211056223U CN 201921818980 U CN201921818980 U CN 201921818980U CN 211056223 U CN211056223 U CN 211056223U
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Abstract
The utility model relates to a preparation technical field of lithium cell discloses a malleation dense phase conveying system, include: the device comprises a feed hopper, a spiral feeder, a rotary kiln, a dense phase sending tank and a powder storage tank, wherein a discharge hole of the feed hopper is communicated with a feed inlet of the spiral feeder, an arch breaking device is arranged in the feed hopper, a discharge hole of the spiral feeder is communicated with a feed inlet of the rotary kiln, a discharge hole of the rotary kiln is communicated with a feed inlet of the dense phase sending tank, a discharge hole of the dense phase sending tank is communicated with the powder storage tank through a conveying pipeline, and an air inlet used for communicating compressed air is formed in the dense phase sending tank. The feeding hopper is internally provided with an arch breaking device, so that powder can be prevented from being blocked, smooth conveying of the powder is ensured, the dense-phase sending tank adopts an air compressor as a power source, the conveying speed is lower, the material crushing rate is low, an air source is clean and dry, and the influence on the quality of the powder is extremely small.
Description
Technical Field
The utility model relates to a preparation technical field of lithium cell especially relates to a malleation dense phase conveying system.
Background
In the preparation process of the lithium battery, the operation of powder materials is involved, and the conventional powder feeding device is mainly used for filling powder with a certain weight into a conical buffer bin by adopting a negative pressure system and then adding the powder into a rotary kiln by a screw conveyor in an air hammer beating mode. During the process of beating and feeding materials by a conical buffer bin and an air hammer, phenomena of 'bow-building bridging' and 'deposition caking' are easy to occur, so that the materials are not smoothly fed and cannot be smoothly fed into the rotary kiln; in addition, in the rotary kiln exit, the risk that the material can't completely cut off the outside air and introduce impurity at negative pressure pneumatic conveying's in-process, and the material breakage rate is very high, and then causes the performance of lithium cell raw and other materials to receive very big harm.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a unloading is smooth and easy and malleation dense phase conveying system that the material breakage rate is low.
In order to achieve the above object, the present invention provides a positive pressure dense phase conveying system, comprising: the device comprises a feed hopper, a spiral feeder, a rotary kiln, a dense phase sending tank and a powder storage tank, wherein a discharge hole of the feed hopper is communicated with a feed inlet of the spiral feeder, an arch breaking device is arranged in the feed hopper, a discharge hole of the spiral feeder is communicated with a feed inlet of the rotary kiln, a discharge hole of the rotary kiln is communicated with a feed inlet of the dense phase sending tank, a discharge hole of the dense phase sending tank is communicated with the powder storage tank through a conveying pipeline, and an air inlet used for communicating compressed gas is formed in the dense phase sending tank.
Preferably, the arch breaking device comprises a first driving motor, a first rotating shaft connected with a power output end of the first driving motor, and a plurality of arch breaking rods arranged on the first rotating shaft, wherein the arch breaking rods are arranged at a discharge port of the feed hopper at intervals.
As a preferable scheme, the arch breaking device further comprises an air pump, an air blowing channel is formed in the first rotating shaft, the air blowing channel is provided with a plurality of air holes, and an air outlet of the air pump is communicated with the air blowing channel.
Preferably, the surface of the arch breaking rod is provided with a ceramic layer.
Preferably, the screw feeder comprises a second driving motor, a second rotating shaft connected with a power output end of the second driving motor, and a screw blade arranged on the second rotating shaft, wherein the screw pitch of the screw blade is gradually reduced from a feed port end to a discharge port end of the screw feeder, and the outer diameter of the screw blade is gradually reduced from the feed port end to the discharge port end of the screw feeder.
Preferably, the inner wall of the screw feeder and the surface of the screw blade are both provided with ceramic layers.
As a preferred scheme, a bypass pipe is connected between the dense phase sending tank and the conveying pipeline, and a pressure relief valve is connected to the bypass pipe in series.
As the preferred scheme, the inner wall of feeder hopper is provided with the plastics inside liner.
Preferably, the compressed gas is compressed air.
The embodiment of the utility model provides a malleation dense phase conveying system compares with prior art, and its beneficial effect lies in:
the utility model discloses malleation dense phase conveying system, include: the device comprises a feed hopper, a screw feeder, a rotary kiln, a dense phase sending tank and a powder storage tank, wherein raw materials enter the rotary kiln through the screw feeder from the feed hopper, and calcined powder materials are sent into the powder storage tank through a conveying pipeline through the sending tank. Wherein be provided with broken device that encircles in the feeder hopper, can carry out the breakage to the powder that encircles through machinery and air current combined action's mode, avoid adopting the air hammer to beat what lead to beat more strike the deposit more serious phenomenon to can avoid the powder to take place to block up, ensure the smooth and easy transport of powder. Furthermore, compressed air is used as a power source, the conveying speed is low, the material crushing rate is low, the air source is clean and dry, and the influence on the quality of powder is extremely small.
Drawings
Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.
In the figure, 1, a feed hopper; 2. a screw feeder; 21. a second drive motor; 22. a second rotating shaft; 23. a helical blade; 24. an air pump; 3. a rotary kiln; 4. a dense phase sending tank; 5. a powder storage tank; 6. an arch breaking device; 61. a first drive motor; 62. a first rotating shaft; 63. breaking an arch bar; 7. a bypass pipe; 71. a pressure relief valve; 8. and a conveying pipeline 9 and an air compressor.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "top", "bottom", "front", "back", and the like are used in the present invention as indicating orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention. It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.
As shown in fig. 1, the positive pressure dense phase conveying system according to the preferred embodiment of the present invention includes: the device comprises a feed hopper 1, a spiral feeder 2, a rotary kiln 3, a dense phase sending tank 4 and a powder storage tank 5, wherein a discharge hole of the feed hopper 1 is communicated with a feed inlet of the spiral feeder 2, an arch breaking device 6 is arranged in the feed hopper 1, a discharge hole of the spiral feeder 2 is communicated with a feed inlet of the rotary kiln 3, a discharge hole of the rotary kiln 3 is communicated with a feed inlet of the dense phase sending tank 4, a discharge hole of the dense phase sending tank 4 is communicated with the powder storage tank 5 through a conveying pipeline 8, and an air inlet used for communicating compressed air is formed in the dense phase sending tank 4.
Based on the technical scheme, the utility model discloses a malleation dense phase conveying system, raw materials are passed through screw feeder 2 by feeder hopper 1 and are got into rotary kiln 3, and the powder material of gained after calcining sends into in the powder storage tank 5 through conveying pipeline 8 through the delivery tank. The arch breaking device 6 is arranged in the feed hopper 1, the arched powder can be broken in a mechanical and airflow combined action mode, the phenomenon that more knocking and more serious deposition are caused by knocking by an air hammer is avoided, the problem of blockage is avoided, and the powder can be smoothly and quickly filled into the spiral feeder 2. The compressed air is used as a power source, so that the conveying speed is low, the material crushing rate is low, the air source is clean and dry, and the influence on the quality of powder is extremely small.
Preferably, the arch breaking device 6 comprises a first driving motor 61, a first rotating shaft 62 connected with a power output end of the first driving motor 61, and a plurality of arch breaking rods 63 arranged on the first rotating shaft 62, wherein each arch breaking rod 63 is arranged at a discharge port of the feeding hopper 1 at intervals. The motor during operation drives the pivot and rotates, and the pivot rotates and drives broken arch bar 63 and rotate to carry out mechanical stirring breakage to the powder material that bonds the arch, prevent feeder hopper 1 discharge gate department and take place to block up, ensure that the powder gets into screw feeder 2 smoothly.
Preferably, the arch breaking device 6 further comprises an air pump 24, an air blowing channel is formed inside the first rotating shaft 62, the air blowing channel is provided with a plurality of air holes, and an air outlet of the air pump 24 is communicated with the air blowing channel. The air blown out by the air pump 24 is ejected from the air-ejecting holes through the air-blowing channel, and the powder materials adhered with the arch are further crushed through the air flow, so that smooth powder conveying is further ensured.
Preferably, the surface of the arch breaking rod 63 is provided with a ceramic layer, so that friction of powder materials on the arch breaking rod 63 can be reduced, abrasion of the arch breaking device 6 is reduced, and the service life of the arch breaking device 6 is prolonged.
Preferably, the screw feeder 2 includes a second driving motor 21, a second rotating shaft 22 connected to a power output end of the second driving motor 21 and a helical blade 23 disposed on the second rotating shaft 22, a pitch of the helical blade 23 is gradually reduced from a feed port end to a discharge port end of the screw feeder 2, an outer diameter of the helical blade 23 is gradually reduced from the feed port end to the discharge port end of the screw feeder 2, the helical blade 23 is designed in a special structure, so that a discharge precision and a discharge stability of the screw feeder 2 can be greatly improved, and the improvement of product quality is facilitated.
Preferably, ceramic layers are arranged on the inner wall of the screw feeder 2 and the surfaces of the helical blades 23, so that abrasion of powder materials to the inside of the screw feeder 2 is reduced, and the powder materials are conveyed.
Preferably, a bypass pipe 7 is connected between the dense phase sending tank 4 and the conveying pipeline 8, and a pressure relief valve 71 is connected to the bypass pipe 7 in series. When the pressure in the dense phase sending tank 4 exceeds the upper limit value, the relief valve 71 is automatically opened to discharge the gas from the dense phase sending tank 4 to the conveying pipeline 8, so that the dense phase sending tank 4 can be ensured to stably and safely operate for a long time.
Preferably, the inner wall of feeder hopper 1 is provided with the plastics inner liner, can prevent that the inner wall of feeder hopper 1 from being worn and damaged by powder material, convenient the change simultaneously.
Preferably, the compressed gas is compressed air which is clean and dry and has small influence on the quality of the materials.
Preferably, the air speed in the conveying pipeline 8 is less than or equal to 5m/s, and exemplarily, in the embodiment, the air speed in the conveying pipeline 8 is 4m/s, the conveying speed is low, and the material crushing rate is small.
The utility model discloses a working process does: the raw materials are carried by feeder hopper 1 through spiral feeder 2 and get into rotary kiln 3, after calcining in rotary kiln 3, the gained powder material gets into and sends the jar, when sending the jar and being filled up, send the feed valve of jar and the exhaust valve is closed simultaneously and sealed, then add compressed air in to sending the jar through air compressor 9, the compressed air that adds mixes with the material, just open the bottom bleeder valve automatically when the pressure in the jar reaches the setting value, just exert pressure to whole pipeline this moment, then the material passes through pipeline and carries to powder storage tank 5, when sending the material evacuation in the jar, send jar internal pressure to zero air compressor 9 and stop the air feed.
To sum up, the embodiment of the utility model provides a malleation dense phase conveying system, wherein broken arch device 6 can carry out the breakage to the powder of arching to avoid taking place the problem of jam, ensure that the powder can be quick smooth filling to the screw feeder 2 in. In addition, the compressed air is used as a power source, so that the conveying speed is low, the material crushing rate is low, and the influence on the quality of powder is extremely small.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (9)
1. A positive pressure dense phase conveying system comprising: the device comprises a feed hopper, a spiral feeder, a rotary kiln, a dense phase sending tank and a powder storage tank, wherein a discharge hole of the feed hopper is communicated with a feed inlet of the spiral feeder, an arch breaking device is arranged in the feed hopper, a discharge hole of the spiral feeder is communicated with a feed inlet of the rotary kiln, a discharge hole of the rotary kiln is communicated with a feed inlet of the dense phase sending tank, a discharge hole of the dense phase sending tank is communicated with the powder storage tank through a conveying pipeline, and an air inlet used for communicating compressed gas is formed in the dense phase sending tank.
2. The positive pressure dense phase conveying system according to claim 1, wherein the arch breaking device comprises a first driving motor, a first rotating shaft connected with a power output end of the first driving motor, and a plurality of arch breaking rods arranged on the first rotating shaft, and each arch breaking rod is arranged at a discharge port of the feed hopper at intervals.
3. The positive pressure dense phase conveying system of claim 2, wherein the arch breaking device further comprises an air pump, an air blowing channel is formed inside the first rotating shaft, the air blowing channel is provided with a plurality of air injection holes, and an air outlet of the air pump is communicated with the air blowing channel.
4. The positive pressure dense phase conveying system of claim 2, wherein the surface of the breaker bar is provided with a ceramic layer.
5. The positive pressure dense phase conveying system of claim 1, wherein the screw feeder comprises a second driving motor, a second rotating shaft connected with a power output end of the second driving motor, and a screw blade arranged on the second rotating shaft, wherein the screw pitch of the screw blade is gradually reduced from a feed port end to a discharge port end of the screw feeder, and the outer diameter of the screw blade is gradually reduced from the feed port end to the discharge port end of the screw feeder.
6. The positive pressure dense phase conveying system according to claim 5, wherein the inner wall of the screw feeder and the surface of the screw blade are provided with ceramic layers.
7. The positive pressure dense phase transport system of claim 1, wherein a bypass pipe is connected between the dense phase sending tank and the transport pipeline, and a pressure relief valve is connected in series to the bypass pipe.
8. The positive pressure dense phase conveying system of claim 1, wherein the inner wall of the feed hopper is provided with a plastic inner liner.
9. The positive pressure dense phase transport system of claim 1, wherein the compressed gas is compressed air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921818980.0U CN211056223U (en) | 2019-10-25 | 2019-10-25 | Positive pressure dense-phase conveying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921818980.0U CN211056223U (en) | 2019-10-25 | 2019-10-25 | Positive pressure dense-phase conveying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211056223U true CN211056223U (en) | 2020-07-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921818980.0U Active CN211056223U (en) | 2019-10-25 | 2019-10-25 | Positive pressure dense-phase conveying system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211056223U (en) |
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2019
- 2019-10-25 CN CN201921818980.0U patent/CN211056223U/en active Active
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Address after: 528000 no.21-5, Gongye Road, North Industrial Zone, Dafu village, Zhangcha street, Chancheng District, Foshan City, Guangdong Province Patentee after: FOSHAN TIANLU INTELLIGENT EQUIPMENT TECHNOLOGY Co.,Ltd. Address before: 510000 no.21-5, Gongye Road, North Industrial Zone, Dafu village, Zhangcha street, Chancheng District, Guangzhou City, Guangdong Province Patentee before: FOSHAN TIANLU INTELLIGENT EQUIPMENT TECHNOLOGY Co.,Ltd. |