CN218893192U - Air cushion type feeding device - Google Patents
Air cushion type feeding device Download PDFInfo
- Publication number
- CN218893192U CN218893192U CN202320001760.9U CN202320001760U CN218893192U CN 218893192 U CN218893192 U CN 218893192U CN 202320001760 U CN202320001760 U CN 202320001760U CN 218893192 U CN218893192 U CN 218893192U
- Authority
- CN
- China
- Prior art keywords
- feeding
- air
- pipe
- conveying
- positive pressure
- 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
Images
Landscapes
- Air Transport Of Granular Materials (AREA)
Abstract
The air cushion type feeding device comprises a feeding chute and a chute material gas control valve, wherein the chute material gas control valve can enable the feeding chute to feed only without air intake or with a small amount of air intake when feeding through adjusting the size of the valve; the feeding conveying system comprises a feeding conveying pipe for receiving materials from a feeding chute and a suspension air chamber which is arranged below the feeding conveying pipe and communicated with the feeding conveying pipe; the negative pressure air inlet conveying system is used for forming negative pressure conveying wind force for the feeding conveying pipe so as to convey materials; the positive pressure air supply system is used for conveying positive pressure air flow to the suspension air chamber so that the positive pressure air flow enters the feeding conveying pipe to form an air cushion capable of suspending materials; and the device is used for directly conveying positive pressure wind power into the feeding conveying pipe to push the materials to flow. The utility model can solve the problems of breakage and feeding blockage in the transfer and conveying of the thin slices.
Description
Technical Field
The utility model relates to the technical field of material conveying, in particular to an air cushion type feeding device.
Background
At present, in the transfer feeding conveying of a sheet production conveying line, when a sheet is transferred to a negative pressure conveying pipeline from a vibrating trough conveyor, the sheet directly falls into the negative pressure conveying pipeline from the vibrating trough conveyor, because sheet particles are thinner and longer, the sheet is easily crushed due to discharging impact, transferring conveying friction and the like in the discharging and transferring conveying of the sheet, and the like, and because the discharging slot opening of the vibrating trough is wider, the sheet is often accumulated and blocked at the feeding tail end of a receiving conveying pipe, thereby blocking the sheet in conveying, so that the development of a novel feeding device is needed to solve the problems of crushing, feeding blocking and the like in the transfer conveying of the sheet.
Disclosure of Invention
The utility model aims to provide an air cushion type feeding device which is used for solving the problems of breakage and feeding blockage in transfer conveying of sheets.
In order to solve the technical problems, the utility model adopts the following technical scheme: an air cushion type feeding device, comprising:
the feeding system comprises a feeding chute and a chute material gas control valve, wherein the chute material gas control valve can enable only feeding without air intake or with a small amount of air intake when the feeding chute is fed by adjusting the size of the valve;
the feeding conveying system comprises a feeding conveying pipe for receiving materials from a feeding chute and a suspension air chamber which is arranged below the feeding conveying pipe and communicated with the feeding conveying pipe;
the negative pressure air inlet conveying system is used for forming negative pressure conveying wind force for the feeding conveying pipe so as to convey materials;
the positive pressure air supply system is used for conveying positive pressure air flow to the suspension air chamber so that the positive pressure air flow enters the feeding conveying pipe to form an air cushion capable of suspending materials; and the device is used for directly conveying positive pressure wind power into the feeding conveying pipe to push the materials to flow.
Preferably, the chute feed gas control valve is a plugboard regulating valve, an adjustable valve plate is arranged in the plugboard regulating valve, and the size of the feeding section of the feeding chute can be controlled by regulating the insertion depth of the valve plate.
More preferably, the suspension air chamber and the feeding conveying pipe are uniformly spaced with air holes.
More preferably, the negative pressure air inlet conveying system comprises a negative pressure air inlet pipe connected with the feeding conveying pipe, a negative pressure air inlet regulating valve arranged on the negative pressure air inlet pipe and negative pressure equipment arranged at the tail end of an external material conveying pipeline communicated with the feeding conveying pipe.
More preferably, the air inlet end of the negative pressure air inlet pipe is also provided with a negative pressure exhaust muffler.
Further, the positive pressure air supply system comprises a centrifugal fan and a positive pressure air supply main pipe connected with an air outlet of the centrifugal fan, the positive pressure air supply main pipe is connected with an air chamber branch pipe and a bottom air inlet branch pipe through a positive pressure air regulating main valve, the air chamber branch pipe is connected with a suspension air chamber through an air chamber positive pressure air regulating valve, and the bottom air inlet branch pipe is connected with a feeding conveying pipe through a bottom positive pressure air regulating valve.
The air inlet of the centrifugal fan is also connected with a fan silencer through a fan air inlet pipe.
Preferably, the ends of the plenum branches extend below the suspension plenum, and the plenum branches uniformly deliver positive pressure air flow into the suspension plenum through a plurality of connecting channels.
By conveying positive pressure air flow to the suspension air chamber, the positive pressure air flow can enter the feeding conveying pipe to form an air cushion, so that the materials are conveyed in a suspension manner to reduce breakage in material transfer conveying; the positive pressure air flow is directly conveyed into the feeding conveying pipe to push the materials to flow, so that the resistance of material transfer conveying can be reduced, and the blocking of the feeding transfer part is avoided; the feeding of the feeding chute is controlled by adjusting the chute material gas control valve, so that the influence caused by the external air flow entering the device can be reduced.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present utility model;
fig. 2 is a schematic left-hand view of the overall structure in an embodiment of the present utility model.
In the figure:
1. a centrifugal fan; 2. a positive pressure air regulating main valve 3, a bottom layer positive pressure air regulating valve 4 and an air chamber positive pressure air regulating valve; 5. A negative pressure air intake regulating valve; 6. A chute material gas control valve; 7. Negative pressure exhaust muffler; 8. A fan muffler; 9. A negative pressure air inlet pipe; 10. A fan air inlet pipe; 11. Positive pressure air supply header pipe; 12. A bottom layer air inlet branch pipe; 13. A gas chamber branch pipe; 14. A feeding chute; 15. Positive pressure air flow to the suspension air chamber; 16. And a feed conveying pipe.
Detailed Description
The utility model will be further described with reference to examples and drawings, to which reference is made, but which are not intended to limit the scope of the utility model.
It should be noted that, in the present utility model, unless explicitly stated and limited otherwise, terms such as "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances. Furthermore, in the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" on a second feature may include both the first and second features being in direct contact, or may include both the first and second features not being in direct contact but being in contact through additional features therebetween.
As shown in fig. 1 and 2, the air cushion type feeding device includes:
the feeding system comprises a feeding chute 14 and a chute material gas control valve 6, wherein the chute material gas control valve 6 can enable the feeding chute 14 to feed only with no air intake or little air intake when feeding through adjusting the size of the valve;
the feed conveying system comprises a feed conveying pipe 16 for receiving the material from the feed chute 14 and a suspension air chamber 15 which is arranged below the feed conveying pipe 16 and communicated with the feed conveying pipe 16;
a negative pressure air inlet conveying system for forming a negative pressure conveying wind force for the feeding conveying pipe 16 to convey materials;
a positive pressure air supply system for delivering positive pressure air flow to the suspension air chamber 15 so that the positive pressure air flow enters the feeding conveying pipe 16 to form an air cushion capable of suspending materials; and for delivering positive pressure wind directly into the feed conveyor pipe 16 to drive the flow of material.
The chute feed gas control valve 6 is a plugboard regulating valve, an adjustable valve plate is arranged in the plugboard regulating valve, and the insertion depth of the valve plate is regulated to control the size of the feeding section of the feeding chute 14. It should be appreciated by those skilled in the art that the feed system is only fed with no air and is controlled by the chute air inlet regulating valve 6, the chute air inlet regulating valve 6 is a plug board regulating valve, when the material layer of chute material is high, the valve plate height of the plug board valve is regulated, when the material layer of chute material is small or the chute air inlet is large, the valve plate of the plug board valve is regulated by wind, and the size of the feed section of the feed chute is controlled by regulating the plug board insertion depth of the plug board valve, so that the chute feed is controlled with only feeding but no air.
In this embodiment, the air holes are uniformly spaced between the suspension air chamber 15 and the feeding conveying pipe 16, so that the positive pressure air flow in the suspension air chamber 15 can uniformly enter the bottom of the feeding conveying pipe 16, and the formed air cushion effect is better.
Preferably, the negative pressure air intake and delivery system includes a negative pressure air inlet pipe 9 connected to the feed delivery pipe 16, a negative pressure air inlet amount adjusting valve 5 provided to the negative pressure air inlet pipe 9, and a negative pressure device (not shown in the drawing) provided at the end of an external material delivery pipe through which the feed delivery pipe 16 communicates. It should be known to those skilled in the art that the negative pressure air inlet conveying system is a main air quantity source for pneumatic conveying of materials, and the size of the conveying air inlet is coordinated and controlled by the negative pressure air inlet regulating valve 5 so as to meet the stable operation of pneumatic conveying.
The air inlet end of the negative pressure air inlet pipe 9 is also provided with a negative pressure exhaust muffler 7 so as to reduce noise in a negative pressure air inlet conveying system.
Further, the positive pressure air supply system comprises a centrifugal fan 1 and a positive pressure air supply main pipe 11 connected with an air outlet of the centrifugal fan 1, the positive pressure air supply main pipe 11 is connected with an air chamber branch pipe 13 and a bottom air inlet branch pipe 12 through a positive pressure air regulating main valve 2, the air chamber branch pipe 13 is connected with a suspension air chamber 15 through an air chamber positive pressure air regulating valve 4, and the bottom air inlet branch pipe 12 is connected with a feeding conveying pipe 16 through a bottom positive pressure air regulating valve 3. Those skilled in the art will appreciate that positive pressure air delivery systems serve mainly two purposes: firstly, providing stable and proper positive pressure suspension airflow to the receiving part of the feeding conveying pipe 16; secondly, the bottom material at the receiving part of the feeding conveying pipe 16 is provided with positive pressure pushing airflow to prevent the material from being blocked at the tail end of the part, so that airflow control valves and the like of a positive pressure main pipe and a branch pipe line and a main pipe and a branch pipe are arranged according to requirements.
On the basis of the above, the air inlet of the centrifugal fan 1 is also connected with a fan silencer 8 through a fan air inlet pipe 10 so as to reduce noise brought by a positive pressure air supply system.
The end of the air chamber branch pipe 13 extends to the lower part of the suspension air chamber 15, the air chamber branch pipe 13 uniformly conveys positive pressure air flow to the suspension air chamber 15 through a plurality of connecting channels, so that the air flow entering the suspension air chamber 15 is more stable, and a person skilled in the art should know that the connecting channels can be of a common connecting pipeline structure, and as the suspension air chamber 15 can be of a chamber structure which is arranged along the length direction of the feeding conveying pipe 16 and also has a certain length, the connecting channels can be connecting pipelines which are arranged along the length direction of the suspension air chamber 15 at intervals.
The working principle of the air cushion type feeding device provided by the embodiment is as follows: when the materials such as tobacco stems and the like discharged by a vibrating trough or a screening hopper and the like flow through a feeding chute 14, the chute material gas control valve 6 controls the size of the feeding section of the chute according to the thickness of a material layer, so that the chute material is ensured to slide and not to be air-in or to be air-in a small amount, when the materials such as the thin sheets and the like fall into a feeding conveying pipe 16 in a feeding conveying system, positive pressure air flows from a centrifugal fan 1 in a positive pressure air supply system enter a suspension air chamber 15 through a positive pressure air supply main pipe 11, a positive pressure air regulating main valve 2 and an air chamber branch pipe 13 and the regulation of the air chamber positive pressure air regulating valve 4, positive pressure air flows of the suspension air chamber 15 are subjected to the air holes of the wall of the material to be acted on the bottom of the materials, so that the materials are suspended in the receiving conveying pipe, and the conveying of the materials such as the suspended thin sheets and the like are conveyed away by negative pressure conveying wind power regulated by a negative pressure air inlet pipe 7, a negative pressure air inlet pipe 9 and a negative pressure air inlet regulating valve 5, and the material bottom material flow is forced to be pushed along with the positive pressure air flow through the centrifugal fan 1, the positive pressure air supply main pipe 11, the positive pressure air regulating main valve 2 and the bottom positive pressure air regulating valve 3 and the bottom layer air regulating valve 12, and the positive pressure air flow regulating valve 12, and the negative pressure air flow conveying end material blocking section of the materials are prevented. The negative pressure air inlet regulating valve 5 is regulated according to the factors of the material supply quantity, the material supply degree, the bottom positive pressure air quantity and wind force, etc., the material is normally suspended and smoothly conveyed, the air quantity and wind pressure regulation of the bottom positive air regulating valve 3 is not blocked according to the material conveying of the material receiving section in the material pipe, the regulation of the air chamber positive air regulating valve 4 is suitable for the suspended conveying of the material such as thin sheet in the material receiving section, the material conveying is influenced excessively, the material suspending is influenced excessively, the suspended conveying of the material is influenced excessively, the regulation of the valves of all paths and the branch pipes is repeatedly carried out for many times, the regulation principle of the first total branch and the later branch is followed, and the corresponding regulation can be carried out according to the field condition in the actual production process by the person skilled in the art.
The air cushion type feeding device can be used for low-consumption smooth blocking feeding transfer conveying of bulk materials, is particularly suitable for transfer feeding conveying in a sheet or cut tobacco production conveying line in the tobacco industry, and has the characteristics of reducing breakage in material transfer conveying by material transfer feeding suspension conveying, being thin and wide, being capable of distributing seasoning gas for feeding, being capable of controlling negative pressure to suck material for air inlet, being capable of blowing and pushing positive pressure airflow of material flow at the bottom of a material pipe to avoid feeding transfer blocking and the like. The method has remarkable effects on reducing the conveying transfer breakage, material blockage and the like in the conveying transfer of materials such as tobacco sheets and the like, and has wide application prospect in project technical improvement or new construction.
In order to make it easier for a person skilled in the art to understand the improvements of the present utility model with respect to the prior art, some of the figures and descriptions of the present utility model have been simplified, and the above-described embodiments are preferred implementations of the present utility model, but in addition, the present utility model may be implemented in other ways, and any obvious substitution is within the scope of protection of the present utility model without departing from the concept of the present technical solution.
Claims (8)
1. Air cushion type feeding device, its characterized in that includes:
the feeding system comprises a feeding chute (14) and a chute material gas control valve (6), wherein the chute material gas control valve (6) can enable the feeding chute (14) to feed only no air or little air when feeding by adjusting the size of the valve;
the feeding conveying system comprises a feeding conveying pipe (16) for receiving the materials from the feeding chute (14) and a suspension air chamber (15) which is arranged below the feeding conveying pipe (16) and is communicated with the feeding conveying pipe (16);
the negative pressure air inlet conveying system is used for forming negative pressure conveying wind force for the feeding conveying pipe (16) so as to convey materials;
the positive pressure air supply system is used for conveying positive pressure air flow to the suspension air chamber (15) so that the positive pressure air flow enters the feeding conveying pipe (16) to form an air cushion capable of suspending materials; and for delivering positive pressure wind directly into the feed conveyor pipe (16) to propel the flow of material.
2. The air cushion type feeding device according to claim 1, wherein: the chute feed gas control valve (6) is a plugboard regulating valve, an adjustable valve plate is arranged in the plugboard regulating valve, and the size of the feeding section of the feeding chute (14) can be controlled by regulating the insertion depth of the valve plate.
3. The air cushion type feeding device according to claim 1, wherein: air holes are uniformly spaced between the suspension air chamber (15) and the feeding conveying pipe (16).
4. The air cushion type feeding device according to claim 1, wherein: the negative pressure air inlet conveying system comprises a negative pressure air inlet pipe (9) connected with a feeding conveying pipe (16), a negative pressure air inlet regulating valve (5) arranged on the negative pressure air inlet pipe (9) and negative pressure equipment arranged at the tail end of an external material conveying pipeline communicated with the feeding conveying pipe (16).
5. The air cushion type feeding device as claimed in claim 4, wherein: the air inlet end of the negative pressure air inlet pipe (9) is also provided with a negative pressure exhaust muffler (7).
6. The air cushion type feeding device according to claim 1, wherein: the positive pressure air supply system comprises a centrifugal fan (1) and a positive pressure air supply main pipe (11) connected with an air outlet of the centrifugal fan (1), wherein the positive pressure air supply main pipe (11) is connected with an air chamber branch pipe (13) and a bottom air inlet branch pipe (12) through a positive pressure air regulating main valve (2), the air chamber branch pipe (13) is connected with a suspension air chamber (15) through an air chamber positive pressure air regulating valve (4), and the bottom air inlet branch pipe (12) is connected with a feeding conveying pipe (16) through a bottom positive pressure air regulating valve (3).
7. The air cushion type feeding device according to claim 6, wherein: the air inlet of the centrifugal fan (1) is also connected with a fan silencer (8) through a fan air inlet pipe (10).
8. The air cushion type feeding device according to claim 6, wherein: the tail end of the air chamber branch pipe (13) extends to the lower part of the suspension air chamber (15), and the air chamber branch pipe (13) uniformly conveys positive pressure air flow into the suspension air chamber (15) through a plurality of connecting channels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320001760.9U CN218893192U (en) | 2023-01-03 | 2023-01-03 | Air cushion type feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320001760.9U CN218893192U (en) | 2023-01-03 | 2023-01-03 | Air cushion type feeding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218893192U true CN218893192U (en) | 2023-04-21 |
Family
ID=85996650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320001760.9U Active CN218893192U (en) | 2023-01-03 | 2023-01-03 | Air cushion type feeding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218893192U (en) |
-
2023
- 2023-01-03 CN CN202320001760.9U patent/CN218893192U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5718539A (en) | Boundary air/laminar flow conveying system with air reduction cone | |
| CA2633144A1 (en) | Bulk fill delivery venturi system | |
| CN202529574U (en) | Pneumatic material conveyor | |
| CN213976091U (en) | Material negative pressure conveying device and alcohol manufacturing system | |
| CN105361240A (en) | Tobacco shred guide device, tobacco shred feeding device, system and tobacco shred feeding method | |
| CN203108796U (en) | Wind pressure type dual-chamber wind separating device | |
| CN218893192U (en) | Air cushion type feeding device | |
| CN211920164U (en) | Pneumatic conveying system with auxiliary pressurization function | |
| CN206651385U (en) | A kind of high-efficiency vertical wind subset | |
| CN215625304U (en) | Gravity and negative pressure feeding combined sending tank | |
| CN108328337B (en) | Pressure-feeding type pneumatic conveying device | |
| CN212608124U (en) | Closed conveying system for light precious powder | |
| CN202262406U (en) | Energy-saving wind-power cut tobacco feeding device | |
| CN2509139Y (en) | Efficient powder materials conveying machinery | |
| CN201634231U (en) | Negative-pressure dense-phase transporting system | |
| CN218260832U (en) | Pneumatic conveying system | |
| CN208095582U (en) | A kind of dusting device of adjustable flow | |
| CN203845458U (en) | Cyclone type negative pressure feeding system | |
| CN204823269U (en) | Air conveying air door mechanism | |
| CN211594246U (en) | Desulfurization material sender | |
| CN208716397U (en) | A kind of polypropylene powder material conveying device | |
| CN210681874U (en) | Device for preventing powdery material at bottom of storage bin from being blocked | |
| CN209113128U (en) | Dry powder water-reducing agent vacuum charging device | |
| CN209740214U (en) | Anti-blocking device for boiler ash conveying pipeline | |
| CN208265331U (en) | A kind of negative pressure dilute phase pneumatic conveying system of reconstituted tobacco |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |