CN210594270U - Pneumatic flow-assisting nozzle and pneumatic flow-assisting powder conveying device - Google Patents
Pneumatic flow-assisting nozzle and pneumatic flow-assisting powder conveying device Download PDFInfo
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- CN210594270U CN210594270U CN201921105266.7U CN201921105266U CN210594270U CN 210594270 U CN210594270 U CN 210594270U CN 201921105266 U CN201921105266 U CN 201921105266U CN 210594270 U CN210594270 U CN 210594270U
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Abstract
The utility model discloses a pneumatic flow-assisting nozzle belongs to the technical field that the powder storehouse was carried, aims at providing one kind and avoids powder caking adhesion at the pneumatic flow-assisting nozzle of feed bin inner wall, and its technical scheme main points are including the nozzle, the nozzle includes the upper nozzle body and the lower nozzle body, the upper nozzle body and lower nozzle body fixed connection, it forms the air flue to go up the intercommunication between the nozzle body and the lower nozzle body, the upper nozzle body is in the back of the body one side intercommunication of the lower nozzle body has the trachea, and lower nozzle body is in the back of the body one side intercommunication of the upper nozzle body has the column shower nozzle, the spout has been seted up on the shower nozzle lateral wall. Through the lateral wall with the spout setting at the shower nozzle for flow aid gas flows along the pipeline inner wall, can reduce the frictional force of powder and pipeline on the one hand, and on the other hand can avoid the powder to agglomerate at the pipeline inner wall, prevents that pipeline from blockking up, keeps pipeline unblocked. The utility model discloses a pneumatic class conveyor that helps of powder belongs to the technical field that the powder storehouse was carried, aims at providing one kind and avoids the powder caking adhesion at the pneumatic class conveyor that helps of powder of feed bin inner wall.
Description
Technical Field
The utility model relates to a technical field that powder storehouse was carried, in particular to pneumatic flow aid nozzle and powder are pneumatic to flow aid conveyor.
Background
When the large-scale ground powder storage bin is used for unloading materials by pneumatic conveying, compressed air acts on powder materials through the fluidizing device to generate a fluidizing phenomenon, and the materials flow or surge to the discharge opening under the action of external forces such as material gravity, pressure difference and the like, so that the unloading process of the materials in the bin is completed.
However, in the case of compressed air discharging a particulate cementitious material from a silo, it is possible that only the flow band above the discharge opening can be discharged, with consequent formation of pipe rat holes in the bed, causing the flow of material to be interrupted. For some powders, the compaction stress may cause them to deteriorate or agglomerate after prolonged storage in the silo. The silo will take place the much bigger vertical compaction stress when filling than when the material is steady flowing, when the initial stage is unloaded, needs more compressed air to carry out the material activation. Certain internal friction force exists among powder particles of the materials in the storage bin, and when the powder particles are subjected to the compaction stress of the storage bin, the consolidation strength of the materials is increased, so that the materials are connected in an arch; the material with strong caking property can also enhance the adhesion force of the material and the bin wall under the action of water, moisture absorption or static electricity; when the air pressure on the material is balanced, a material arch is also formed. When the materials in the bin are connected with the arch, the materials can not flow, and the unloading of the bin is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a first purpose provides a pneumatic flow-aiding nozzle has the advantage of avoiding the powder caking adhesion at the feed bin inner wall.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the pneumatic flow-assisting nozzle comprises a nozzle body and a lower nozzle body, wherein the upper nozzle body is fixedly connected with the lower nozzle body, the upper nozzle body is communicated with the lower nozzle body to form an air passage, one side of the upper nozzle body, back to the lower nozzle body, is communicated with an air pipe, one side of the lower nozzle body, back to the upper nozzle body, is communicated with a columnar nozzle, and the side wall of the nozzle is provided with a nozzle opening.
Through adopting above-mentioned technical scheme, in the class of flow aid gas got into the nozzle by the trachea, the spout blowout on the rethread shower nozzle, because the spout is opened on the shower nozzle lateral wall, so the class of flow aid gas can flow along the pipeline inner wall, can reduce the frictional force of powder and pipeline on the one hand, and on the other hand can avoid the powder to agglomerate at the pipeline inner wall, prevents that pipeline from blockking up, keeps pipeline unblocked.
Furthermore, a non-return air nozzle is arranged between the upper nozzle body and the lower nozzle body and comprises a disc-shaped air nozzle body, a columnar air nozzle head is arranged on the air nozzle body and inserted into the spray head, and a strip-shaped air seam is formed in one end, back to the air nozzle body, of the air nozzle head.
By adopting the technical scheme, the air gap on the air nozzle head sprays flow-assisting gas, so that the situation that the distributed material in the conveying pipeline enters the nozzle from the air gap can be reduced. In addition, the air nozzle body is clamped and fixed by the upper nozzle body and the upper nozzle body, so that the air nozzle is convenient to mount.
Furthermore, the end of the air nozzle head, which is back to one end of the air nozzle body, is arranged to be conical.
By adopting the technical scheme, the length of the air gap on the air nozzle body is increased, so that more air can be sprayed by the air gap.
Furthermore, at least two internal thread holes which are uniformly distributed are annularly arranged on the upper nozzle body, fixing holes which correspond to the internal thread holes are arranged on the lower nozzle body, and fixing bolts penetrate through the internal thread holes and the fixing holes.
Through adopting above-mentioned technical scheme, when needing the installation, will stop the air cock and place between the upper nozzle body and the lower nozzle body, rethread fixing bolt is at the upper nozzle body and lower nozzle body fixed connection, easy to assemble, connect stably.
Furthermore, the end of the air pipe is provided with internal threads, the lower nozzle body is provided with an air hole, and the air pipe is inserted into the air hole and is in threaded connection with the lower nozzle body.
By adopting the technical scheme, during installation, the air pipe is screwed into the air hole, and the lower nozzle body is welded with the air pipe through the welding gun, so that the welding gun is convenient to weld, and the working efficiency is improved.
The second purpose of the utility model is to provide a pneumatic class of helping conveyor of powder has the advantage of avoiding the powder caking adhesion at the feed bin inner wall.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the pneumatic flow-aiding conveying device for the powder comprises a gas storage tank, wherein the gas storage tank is communicated with a gas inlet pipe, the gas storage tank is communicated with a gas outlet pipe, the gas outlet pipe is communicated with a pneumatic flow-aiding pipeline, and a plurality of flow-aiding nozzles are arranged on the pneumatic flow-aiding pipeline.
By adopting the technical scheme, the gas storage tank is used for storing gas, plays a transitional role and is convenient to control the pressure of the flow-assisting gas.
Furthermore, a pneumatic electromagnetic valve is arranged on the pneumatic flow aiding pipeline.
By adopting the technical scheme, the pneumatic electromagnetic valve is used for controlling the opening and closing of the pneumatic flow-assisting pipeline, so that the circulation of air flow is conveniently controlled.
Furthermore, the powder pneumatic flow-assisting conveying device also comprises a pulse control box.
By adopting the technical scheme, the pulse control box controls the gas to be emitted in a pulse mode, so that energy is saved and emission is reduced.
To sum up, the utility model discloses following beneficial effect has:
1. the nozzle is arranged on the side wall of the spray head, so that the flow-assisting gas flows along the inner wall of the conveying pipeline, the friction force between the powder and the conveying pipeline can be reduced, the powder can be prevented from caking on the inner wall of the conveying pipeline, the conveying pipeline is prevented from being blocked, and the conveying pipeline is kept smooth;
2. the nozzle time, interval time and cycle period are adjustable;
3. the system has no wear parts, no pollution, energy conservation and environmental protection;
4. the air consumption is little, and the influence on the wall of the silo and a coal feeder is small.
Drawings
Fig. 1 is a schematic view of a flow aid nozzle of example 1;
fig. 2 is a cross-sectional view of a flow aid nozzle of example 1;
FIG. 3 is a schematic diagram of the pneumatic flow-aid conveying device for powder in example 2.
In the figure, 1, a nozzle; 11. an upper nozzle body; 111. an internally threaded bore; 12. a lower nozzle body; 121. a fixing hole; 122. air holes; 13. fixing the bolt; 2. an air tube; 3. a spray head; 31. a spout; 4. a non-return air tap; 41. an air nozzle body; 42. an air nozzle head; 43. air gaps; 5. a gas storage tank; 6. a pulse control box; 7. an air inlet pipe; 8. an exhaust pipe; 9. a pneumatic flow-aiding pipeline; 10. a pneumatic solenoid valve; 20. a flow aid nozzle.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1: a pneumatic flow-aid nozzle is shown in figures 1 and 2 and comprises a nozzle 1, wherein the nozzle 1 comprises an upper nozzle body 11 and a lower nozzle body 12, the upper nozzle body 11 is fixedly connected with the lower nozzle body 12, and the upper nozzle body 11 is communicated with the lower nozzle body 12 to form an air passage. One side of the upper nozzle body 11, which is back to the lower nozzle body 12, is communicated with the air pipe 2, one side of the lower nozzle body 12, which is back to the upper nozzle body 11, is communicated with the columnar spray head 3, and the side wall of the spray head 3 is provided with a spray opening 31.
The nozzle 31 sprays flow-assisting gas along the inner wall of the conveying pipeline, so that the friction force between powder and the conveying pipeline can be reduced, the powder can be prevented from being agglomerated on the inner wall of the conveying pipeline, and the conveying pipeline is prevented from being blocked.
The non-return air nozzle 4 is arranged between the upper nozzle body 11 and the lower nozzle body 12, the non-return air nozzle 4 comprises a disc-shaped air nozzle body 41, and the air nozzle body 41 is clamped and fixed by the upper nozzle body 11 and the lower nozzle body 12, so that the assembly is convenient.
The air nozzle body 41 is provided with a columnar air nozzle head 42, the air nozzle head 42 is inserted into the spray head 3, one end of the air nozzle head 42, which is back to the air nozzle body 41, is provided with a strip-shaped air seam 43, and one end, which is back to the air nozzle body 41, is arranged in a cone shape.
The non-return air nozzle 4 is made of rubber, and the air gap 43 is closed under the condition that the non-return air nozzle 4 is not communicated with air; during ventilation, the gas gap 43 is opened by gas. This prevents the powder from flowing backwards, for example, in the nozzle 1.
The upper nozzle body 11 is provided with four internal thread holes 111 uniformly arranged around, the lower nozzle body 12 is provided with a fixing hole 121 corresponding to the internal thread holes 111, and a fixing bolt 13 is arranged between the internal thread holes 111 and the fixing hole 121 in a penetrating manner.
During installation, the non-return air nozzle 4 is placed between the upper nozzle body 11 and the lower nozzle body 12, the air nozzle body 41 is inserted into the spray head 3, and then the upper nozzle body 11 is fixedly connected with the lower nozzle body 12 through the fixing bolt 13, so that the installation is convenient, and the connection is stable.
The end of the air pipe 2 is provided with internal threads, the lower nozzle body 12 is provided with an air hole 122, and the air pipe 2 is inserted into the air hole 122 and is in threaded connection with the lower nozzle body 12.
During installation, the air pipe 2 is screwed into the air hole 122, and the lower nozzle body 12 and the air pipe 2 are welded together through the welding gun, so that welding of the welding gun is facilitated, and the working efficiency is improved.
Example 2: a pneumatic flow-aiding conveying device for powder comprises a gas storage tank 5 and a pulse control box 6, wherein the gas storage tank 5 is communicated with a gas inlet pipe 7, the gas storage tank 5 is communicated with a gas outlet pipe 8, the gas outlet pipe 8 is communicated with a pneumatic flow-aiding pipeline 9, and a plurality of flow-aiding nozzles 20 are arranged on the pneumatic flow-aiding pipeline 9. The pneumatic flow aiding pipeline 9 is provided with a pneumatic electromagnetic valve 10.
The flow-aiding gas is introduced into the gas storage tank 5 through the gas inlet pipe 7 for storage, and then introduced into the pneumatic flow-aiding pipeline 9 through the gas outlet pipe 8, and the pneumatic flow-aiding pipeline 9 sprays the flow-aiding gas through the flow-aiding nozzle 20.
The pulse control box 6 controls the gas to be emitted in a pulse mode, so that energy is saved and emission is reduced.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (8)
1. A pneumatic flow-aiding nozzle comprising a nozzle (1), characterized in that: the nozzle (1) comprises an upper nozzle body (11) and a lower nozzle body (12), the upper nozzle body (11) is fixedly connected with the lower nozzle body (12), the upper nozzle body (11) and the lower nozzle body (12) are communicated to form an air passage, one side, back to the lower nozzle body (12), of the upper nozzle body (11) is communicated with an air pipe (2), one side, back to the upper nozzle body (11), of the lower nozzle body (12) is communicated with a columnar nozzle (3), and a nozzle (31) is formed in the side wall of the nozzle (3).
2. A pneumatic flow assist nozzle as claimed in claim 1, wherein: go up and be equipped with contrary air cock (4) between mouth body (11) and the lower mouth body (12), contrary air cock (4) are including disc air cock body (41), be equipped with column air cock head (42) on air cock body (41), air cock head (42) insert in shower nozzle (3), strip gas seam (43) have been seted up to air cock head (42) one end dorsad air cock body (41).
3. A pneumatic flow assist nozzle as claimed in claim 2, wherein: the end of the air nozzle head (42) back to one end of the air nozzle body (41) is arranged to be conical.
4. A pneumatic flow aid nozzle according to claim 2 or 3, wherein: the upper nozzle body (11) is at least provided with two internal thread holes (111) which are uniformly distributed in a surrounding mode, the lower nozzle body (12) is provided with a fixing hole (121) which corresponds to the internal thread holes (111), and a fixing bolt (13) penetrates between the internal thread holes (111) and the fixing hole (121).
5. A pneumatic flow assist nozzle as claimed in claim 2, wherein: the end of the air pipe (2) is provided with internal threads, the lower nozzle body (12) is provided with an air hole (122), and the air pipe (2) is inserted into the air hole (122) and is in threaded connection with the lower nozzle body (12).
6. A pneumatic flow aid delivery device for powders comprising the pneumatic flow aid nozzle of claim 4, wherein: including gas holder (5), the intercommunication has intake pipe (7) on gas holder (5), the intercommunication has blast pipe (8) on gas holder (5), the intercommunication has pneumatic flow aid pipeline (9) on blast pipe (8), a plurality of flow aid nozzles (20) are arranged on pneumatic flow aid pipeline (9).
7. The pneumatic powder flow-assisting conveying device of claim 6, which is characterized in that: and a pneumatic electromagnetic valve (10) is arranged on the pneumatic flow aiding pipeline (9).
8. The pneumatic powder flow-assisting conveying device of claim 6, which is characterized in that: the powder pneumatic flow-assisting conveying device also comprises a pulse control box (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921105266.7U CN210594270U (en) | 2019-07-15 | 2019-07-15 | Pneumatic flow-assisting nozzle and pneumatic flow-assisting powder conveying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921105266.7U CN210594270U (en) | 2019-07-15 | 2019-07-15 | Pneumatic flow-assisting nozzle and pneumatic flow-assisting powder conveying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210594270U true CN210594270U (en) | 2020-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921105266.7U Active CN210594270U (en) | 2019-07-15 | 2019-07-15 | Pneumatic flow-assisting nozzle and pneumatic flow-assisting powder conveying device |
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| Country | Link |
|---|---|
| CN (1) | CN210594270U (en) |
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- 2019-07-15 CN CN201921105266.7U patent/CN210594270U/en active Active
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