CN210392924U - Powder feeding device - Google Patents
Powder feeding device Download PDFInfo
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- CN210392924U CN210392924U CN201921271802.0U CN201921271802U CN210392924U CN 210392924 U CN210392924 U CN 210392924U CN 201921271802 U CN201921271802 U CN 201921271802U CN 210392924 U CN210392924 U CN 210392924U
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Abstract
The utility model relates to a powder feeding device, which comprises a powder storage tank, an air inlet pipe and a discharge pipe; the powder storage tank is arranged along the vertical direction; the bottom of the powder storage tank is communicated with the discharge pipe; the top or the side of the powder storage tank is communicated with an air inlet pipe; an air inlet valve is arranged on the air inlet pipe; a discharging valve is arranged on the discharging pipe. The utility model provides a powder feeding device, which leads protective gas with certain pressure into a powder storage tank filled with powder through an air inlet pipe; the protective gas airflow formed by the pressure difference of the protective gas in the pipeline drives the powder in the powder storage tank to flow along the outlet direction of the discharge pipeline, so that the feeding of the powder is realized; the equipment structure is simple, and the occupied space is small; the production can be directly modified on the basis of the existing storage tank, and the production cost is low; the powder is driven by the airflow to be added into the subsequent reaction device from the powder storage tank, the operation cost is low, and the defect of high labor intensity caused by adopting a manual feeding mode is avoided.
Description
Technical Field
The utility model relates to a feeding device especially relates to a powder is thrown and is thrown feeder apparatus.
Background
In the prior art, a small factory is limited by production cost, occupied area and other factors during production and processing, powder feeding is still performed in a manual mode, and the labor intensity of workers is high, so that a powder feeding device with a simple structure, small occupied space and low cost is urgently needed in the market.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a simple structure, take up an area of the little, low cost's powder feeding device of space to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a powder feeding device, which comprises a powder storage tank, an air inlet pipe and a discharge pipe; the powder storage tank is arranged along the vertical direction; the bottom of the powder storage tank is communicated with the discharge pipe; the top or the side of the powder storage tank is communicated with an air inlet pipe; an air inlet valve is arranged on the air inlet pipe; a discharging valve is arranged on the discharging pipe.
The utility model provides a powder feeding device, preferably, the powder feeding device further comprises a first bypass pipe and a second bypass pipe; a first connector is arranged on the pipe wall of the air inlet pipe; a second interface is arranged on the pipe wall of the discharge pipe; the air inlet valve is positioned between the first interface and the powder storage tank; the discharge valve is positioned between the second interface and the powder storage tank; the first interface is communicated with the second interface through a first bypass pipe; a bypass valve is arranged on the first bypass pipe; the top or the side of the powder storage tank is also provided with a third interface; a fourth interface is arranged on the pipe wall of the discharge pipe; the third interface is communicated with the fourth interface through a second bypass pipe; the second interface is positioned between the powder storage tank and the fourth interface; the discharge pipe is also provided with a second discharge valve; the second discharging valve is positioned between the second connector and the fourth connector; and a second bypass valve is arranged on the second bypass pipe.
The utility model provides a powder feeding device, preferably, the communication part of the air inlet pipe and the powder storage tank is an air inlet; the communicating part of the discharge pipe and the powder storage tank is a discharge hole; and filter screens for filtering powder are respectively arranged at the air inlet, the discharge hole and the third interface.
The utility model provides a powder feeding device, preferably, the bottom of powder storage tank is toper hopper-shaped.
The utility model provides a powder feeding device, preferably, be located and install at least one bulkhead vibrating device that is used for driving the vibration of powder storage tank on the outer wall of the bottom of powder storage tank.
The utility model provides a powder feeding device, preferably, the bin wall vibration device is a pneumatic vibrator; the vibration wave from the pneumatic vibrator acts on the outside of the bottom of the powder storage tank.
The utility model provides a powder feeding device, preferably, the powder feeding device also comprises a storage tank bracket for supporting and fixing a powder storage tank; the storage tank bracket is fixedly connected with the tank body of the powder storage tank.
The utility model provides a powder feeding device, preferably, the last shock absorber that is provided with of storage tank support.
The utility model provides a powder feeding device, preferably, the powder storage tank also comprises a detachable and sealed powder inlet; the powder inlet is positioned at the top of the powder storage tank.
The utility model provides a powder feeding device, preferably, the powder storage tank also comprises a powder feeding pipe, a flange plate, a blind flange, a flange gasket and a plurality of bolts which are vertically arranged; one pipe orifice of the powder inlet pipe is communicated with the powder inlet, and the other pipe orifice of the powder inlet pipe is connected with the flange plate; the flange plate and the blind flange are fixed through bolts; the flange gasket seals the gap between the flange plate and the blind flange.
The utility model has the advantages of or beneficial effect:
the powder feeding device provided by the utility model leads the protective gas (gas which does not directly react with the powder and does not influence the subsequent production process, such as nitrogen) with certain pressure into the powder storage tank filled with the powder through the air inlet pipe; the protective gas airflow formed by the pressure difference of the protective gas in the pipeline drives the powder in the powder storage tank to flow along the outlet direction of the discharge pipeline, so that the feeding of the powder is realized; the powder feeding device provided by the utility model has the advantages of simple equipment structure and small occupied space; the production can be directly and simply modified on the basis of the existing powder storage tank, and the production cost is low; the powder is driven by the airflow to be fed into the subsequent reaction device from the powder storage tank, the operation cost is low, and the defect of high labor intensity caused by manual powder feeding is overcome.
Drawings
The invention and its features, aspects and advantages will become more apparent from a reading of the following detailed description of non-limiting embodiments with reference to the attached drawings. Like reference symbols in the various drawings indicate like elements. The drawings are not intended to be drawn to scale, emphasis instead being placed upon illustrating the principles of the invention.
FIG. 1 is a schematic view of a powder feeder according to embodiment 1 of the present invention;
FIG. 2 is a schematic view of a powder feeder according to embodiment 2 of the present invention;
fig. 3 is a schematic view of the powder storage tank according to embodiment 1 or embodiment 2 of the present invention.
Detailed Description
In the following, the technical solutions in the embodiments of the present invention are clearly and completely described with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1
In order to solve the problems that in the prior art, a small factory is limited by production cost, occupied area and other factors during production and processing, powder feeding is still performed in a manual mode often, and the labor intensity of workers is high, so that a powder feeding device with a simple structure, small occupied space and low cost is urgently needed in the market. As shown in fig. 1, an embodiment of the present invention provides a powder feeding device, which includes a powder storage tank 1, an air inlet pipe 2 and a discharge pipe 3; the powder storage tank 1 is arranged along the vertical direction; the bottom of the powder storage tank 1 is communicated with a discharge pipe 3; the top or the side of the powder storage tank 1 is communicated with the air inlet pipe 2; an air inlet valve 201 is arranged on the air inlet pipe 2; the discharging pipe 3 is provided with a discharging valve 301.
Protective gas with certain pressure (gas which does not directly react with the powder and does not influence the subsequent production process, such as nitrogen) is introduced into a powder storage tank 1 containing the powder through an air inlet pipe 2; the protective gas flow formed by the pressure difference of the protective gas in the pipeline drives the powder in the powder storage tank 1 to enter the target reactor along the discharge pipe 3, thereby realizing the feeding of the powder. An intake valve 201 is used to control the flow of the shielding gas in the intake pipe 2. The outlet valve 301 is used to control the flow of the mixture of protective gas and powder in the outlet pipe 3. The powder feeding device provided by the embodiment has the advantages of simple equipment structure and small occupied space; the powder storage tank can be directly and simply transformed and produced on the basis of the existing powder storage tank 1, and the production cost is low; the nitrogen gas flow drives the powder to be fed into the subsequent reaction device from the powder storage tank 1, the operation cost is low, and the defect of high labor intensity caused by manual powder feeding is overcome. The powder adding device of the embodiment can be applied to various production devices related to powder adding, for example, in the aluminum alloy smelting process related to the aluminum alloy production process, the powder adding device of the embodiment can be used for adding the powder raw material into a high-temperature aluminum alloy furnace by using nitrogen airflow for reaction.
In order to facilitate installation and fixed placement of the powder feeding device, preferably, as shown in fig. 1, the powder feeding device provided in this embodiment further includes a storage tank bracket 8 for supporting and fixing the powder storage tank 1; the storage tank bracket 8 is fixedly connected with the tank body of the powder storage tank 1. The arrangement of the storage tank bracket 8 facilitates the installation and the fixed placement of the powder feeding device.
In order to reduce the adverse effect of the vibration of the powder adding device on other nearby equipment, the powder adding device provided by the embodiment is preferably provided with a vibration damper 81 on the storage tank bracket 8. By arranging the vibration absorber 81, the adverse effect of the vibration of the powder feeding device on other nearby equipment can be effectively reduced.
Example 2
In order to solve the problem that powder particles are easy to harden at the bottom of the powder storage tank 1 during the feeding process, so that the powder feeding device cannot be used continuously, in the powder feeding device provided in embodiment 2, preferably, as shown in fig. 2, the powder feeding device further includes a first bypass pipe 4 and a second bypass pipe 5; a first connector 21 is arranged on the pipe wall of the air inlet pipe 2; a second connector 31 is arranged on the pipe wall of the discharge pipe 3; the air inlet valve 201 is positioned between the first connector 21 and the powder storage tank 1; the discharge valve 301 is positioned between the second interface 31 and the powder storage tank 1; the first port 21 and the second port 31 are communicated through a first bypass pipe 4; the first bypass pipe 4 is provided with a bypass valve 41; the top or the side of the powder storage tank 1 is also provided with a third interface 11; a fourth interface 32 is arranged on the pipe wall of the discharge pipe 3; the third interface 11 is communicated with the fourth interface 32 through a second bypass pipe 5; the second interface 31 is positioned between the powder storage tank 1 and the fourth interface 32; a second discharge valve 302 is also arranged on the discharge pipe 3; the second discharge valve 302 is positioned between the second connector 31 and the fourth connector 32; the second bypass pipe 5 is provided with a second bypass valve 51.
When powder is in a normal feeding state (the situation that the powder feeding device cannot be used continuously due to hardening of powder particles at the bottom of the powder storage tank 1 does not occur), the air inlet valve 201, the discharge valve 301 and the second discharge valve 302 of the powder feeding device provided in embodiment 2 are in an open state; the second bypass valve 51 and the bypass valve 41 are in a closed state; similarly to the embodiment 1, the shielding gas enters the powder storage tank 1 through the gas inlet valve 201 along the gas inlet pipe 2, and then enters the target reactor along the discharge pipe 3, so that the powder is added.
When the situation that powder particles are hardened at the bottom of the powder storage tank 1 to cause the powder feeding device to be incapable of being used continuously occurs, the bypass valve 41 and the second bypass valve 51 are opened, the air inlet valve 201 and the second discharge valve 302 are closed, protective air enters the discharge pipe 3 along the first bypass pipe 4, reversely enters the powder storage tank 1 through the discharge valve 301, finally enters the discharge pipe 3 along the second bypass pipe 5, and finally enters the target reactor. The flow direction of the protective gas flow is changed through the arrangement of the pipeline, so that the protective gas flow enters from the bottom of the powder storage tank 1 in a backflushing mode. The hardened powder at the bottom of the powder storage tank 1 can be loosened by the recoil action of the protective air flow, so that the powder of the powder feeding device is restored to a normal state. And then, when the corresponding valve of the powder feeding device is continuously switched to a normal feeding state, the powder feeding device can be continuously used.
Adopt the powder of embodiment 2 to throw feeder apparatus, through simple pipeline and valve design, can harden the condition that leads to the powder to throw feeder apparatus unable continuation use to the powder granule in the bottom of powder storage tank 1 and carry out effective processing, further improved the maneuverability and the use convenience that the powder thrown feeder apparatus.
In order to reduce the phenomenon that the pipeline is blocked due to the accumulation of large-particle powder in the pipeline, in the powder adding device provided by the embodiment, preferably, as shown in fig. 3, the communication part of the air inlet pipe 2 and the powder storage tank 1 is an air inlet 12; the communicating part of the discharge pipe 3 and the powder storage tank 1 is a discharge hole 13; the air inlet 12, the discharge port 13 and the third interface 11 are respectively provided with a filter screen 6 for filtering powder. The filter screen is arranged at the inlet of the powder storage tank 1 to the pipeline to intercept large-particle powder, so that the pipeline blockage caused by the aggregation of the large-particle powder in the pipeline is effectively reduced, and the failure rate of the powder feeding device is reduced.
In order to avoid dead angles, which are formed by the powder storage tank 1 due to shape limitation, and are not beneficial to discharging, the powder feeding device provided by the embodiment preferably has a conical hopper shape at the bottom of the powder storage tank 1. The bottom of the powder storage tank 1 is in a conical hopper shape, and powder particles can naturally move towards the discharge hole 13 under the action of self gravity by utilizing the advantage of the shape of the conical hopper; in addition, under the action of the airflow of the protective gas, the powder particles in the powder storage tank 1 can flow into the discharge pipe 3 from the bottom of the powder storage tank 1 at an accelerated speed. Thereby reducing dead angles which are not beneficial to discharging and are formed by the powder storage tank 1 due to shape limitation, and being beneficial to improving the working efficiency of the powder feeding device.
In order to reduce the occurrence of the hardening of the powder particles at the bottom of the powder storage tank 1, the powder adding apparatus provided in this embodiment preferably has at least one wall vibrating device 7 for driving the powder storage tank 1 to vibrate, as shown in fig. 3, mounted on the outer wall of the bottom of the powder storage tank 1. Through the arrangement of the bin wall vibrating device 7, when powder is in a normal feeding state, the bin wall vibrating device is started, and the bin wall vibrator provides high-frequency periodic vibration, so that on one hand, the powder is separated from the inner wall of the powder storage tank 1 and the friction between the powder and the inner wall of the powder storage tank 1 is eliminated, on the other hand, the powder is influenced by the alternating speed and the acceleration and is in an unstable state, the internal friction force and the aggregation force of the powder are effectively overcome, the relative stability among the powder particles in the powder storage tank 1 is eliminated, and the powder is smoothly discharged from the discharge port 13. The arrangement of the bin wall vibration device 7 can prevent and eliminate the phenomena of 'blockage' and 'tower arching' of the powder storage tank 1 caused by the internal friction, deliquescence, electrification, composition segregation and the like of powder particles; and the inner walls of various powder storage tanks 1 and the bonding powder of the connected pipelines can be removed. Thereby reducing the occurrence of the situation that the powder particles harden at the bottom of the powder storage tank 1. In the powder feeding device provided in this embodiment, preferably, the bin wall vibrating device 7 is a pneumatic vibrator; the vibration wave from the pneumatic vibrator acts on the outside of the bottom of the powder storage tank 1.
In order to facilitate the addition of the powder into the powder storage tank 1 and meet the requirement of the airtightness of the powder adding device, in the powder adding device provided in this embodiment, preferably, as shown in fig. 3, the powder storage tank 1 further includes a detachably sealed powder inlet 14; the powder inlet 14 is located at the top of the powder storage tank 1. The powder feeding device provided by the embodiment can facilitate the powder feeding into the powder storage tank 1 through the powder inlet 14 with the detachable structure, and the powder inlet 14 can be sealed, so that the air tightness requirement of the powder feeding device can be met.
A detachably sealed powder inlet 14, preferably, the powder storage tank 1 further comprises a vertically arranged powder inlet pipe 15, a flange plate 16, a blind flange 17, a flange gasket 18 and a plurality of bolts 19; one pipe orifice of the powder inlet pipe 15 is communicated with the powder inlet 14, and the other pipe orifice of the powder inlet pipe 15 is connected with the flange 16; the flange plate 16 and the blind flange 17 are fixed through bolts 19; a flange gasket 18 seals the gap between the flange plate 16 and the blind flange 17. The detachable sealed powder inlet 14 adopts a flange sealing structure, and the device is simple and has high reliability.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structural changes made by the contents of the specification and the drawings, or the direct or indirect application in other related technical fields, are included in the same way in the protection scope of the present invention.
Claims (10)
1. A powder feeding device is characterized by comprising a powder storage tank, an air inlet pipe and a discharge pipe; the powder storage tank is arranged along the vertical direction; the bottom of the powder storage tank is communicated with the discharge pipe; the top or the side of the powder storage tank is communicated with the air inlet pipe; an air inlet valve is arranged on the air inlet pipe; and a discharge valve is arranged on the discharge pipe.
2. The powder adding apparatus according to claim 1, further comprising a first bypass pipe and a second bypass pipe; a first connector is arranged on the pipe wall of the air inlet pipe; a second interface is arranged on the pipe wall of the discharge pipe; the air inlet valve is positioned between the first interface and the powder storage tank; the discharge valve is positioned between the second interface and the powder storage tank; the first interface is communicated with the second interface through the first bypass pipe; a bypass valve is arranged on the first bypass pipe; the top or the side of the powder storage tank is also provided with a third interface; a fourth interface is arranged on the pipe wall of the discharge pipe; the third interface and the fourth interface are communicated through the second bypass pipe; the second interface is positioned between the powder storage tank and the fourth interface; the discharge pipe is also provided with a second discharge valve; the second discharging valve is positioned between the second port and the fourth port; and a second bypass valve is arranged on the second bypass pipe.
3. The powder adding device according to claim 2, wherein the communicating part of the air inlet pipe and the powder storage tank is an air inlet; the communicating part of the discharge pipe and the powder storage tank is a discharge hole; and filter screens for filtering powder are respectively arranged at the air inlet, the discharge hole and the third interface.
4. The powder adding apparatus according to any one of claims 1 to 3, wherein the bottom of the powder storage tank is in the shape of a conical hopper.
5. The powder dosing apparatus as claimed in claim 4, wherein at least one wall vibrating means for driving the powder storage tank to vibrate is installed on the outer wall of the bottom of the powder storage tank.
6. The powder adding apparatus according to claim 5, wherein the wall vibrating means is a pneumatic vibrator; the vibration wave emitted by the pneumatic vibrator acts on the outside of the bottom of the powder storage tank.
7. The powder adding device according to any one of claims 1 to 3, further comprising a storage tank support for supporting and fixing the powder storage tank; the storage tank bracket is fixedly connected with the tank body of the powder storage tank.
8. The powder adding apparatus according to claim 7, wherein the tank support is provided with a vibration damper.
9. The powder adding device according to any one of claims 1 to 3, wherein the powder storage tank further comprises a detachably sealed powder inlet; the powder inlet is positioned at the top of the powder storage tank.
10. The powder adding device according to claim 9, wherein the powder storage tank further comprises a vertically arranged powder inlet pipe, a flange plate, a blind flange, a flange gasket and a plurality of bolts; one pipe orifice of the powder inlet pipe is communicated with the powder inlet, and the other pipe orifice of the powder inlet pipe is connected with the flange plate; the flange plate and the blind flange are fixed through the bolts; the flange gasket seals a gap between the flange plate and the blind flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921271802.0U CN210392924U (en) | 2019-08-07 | 2019-08-07 | Powder feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921271802.0U CN210392924U (en) | 2019-08-07 | 2019-08-07 | Powder feeding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210392924U true CN210392924U (en) | 2020-04-24 |
Family
ID=70358865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921271802.0U Active CN210392924U (en) | 2019-08-07 | 2019-08-07 | Powder feeding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210392924U (en) |
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2019
- 2019-08-07 CN CN201921271802.0U patent/CN210392924U/en active Active
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