CN214326509U - Air intercepting device suitable for granular particle negative pressure conveying - Google Patents
Air intercepting device suitable for granular particle negative pressure conveying Download PDFInfo
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- CN214326509U CN214326509U CN202120225732.6U CN202120225732U CN214326509U CN 214326509 U CN214326509 U CN 214326509U CN 202120225732 U CN202120225732 U CN 202120225732U CN 214326509 U CN214326509 U CN 214326509U
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Abstract
The utility model relates to a cut-off air equipment technical field, concretely relates to cut-off air device suitable for granular particle negative pressure is carried. The air intercepting device suitable for negative pressure conveying of granular particles comprises an inlet pipe, wherein the inlet pipe is communicated with an inlet of an air intercepting cavity, and an outlet of the air intercepting cavity is communicated with an outlet pipe; the side opposite to the air intercepting cavity outlet is provided with the air cylinder, the end part of the piston rod of the air cylinder is provided with the air intercepting part for plugging the air intercepting cavity outlet, and the air cylinder is fixedly connected with the air intercepting cavity, so that the air intercepting device which is suitable for negative pressure conveying of granular particles and can improve the conveying efficiency and avoid the blockage of an air pipe is provided.
Description
Technical Field
The utility model relates to a cut-off air equipment technical field, concretely relates to cut-off air device suitable for granular particle negative pressure is carried.
Background
The air intercepting device is a key device used for conveying granular materials in a negative pressure conveying system, and has the advantages of relatively simple structure, convenience in maintenance and the like, so that the air intercepting device is widely applied. The conveyed granular materials need to be conveyed in a sealed negative pressure system, so the requirements on the sealing airtightness, air leakage and conveying capacity of the air stopping device are higher and better; in order to improve the conveying efficiency of the Roots blower, a blower is generally adopted to convey granular particle materials for multiple devices, and when materials are sucked, air pipes used by the multiple devices are required to be sucked empty, so that the loss of the blower is increased, the conveying efficiency of the Roots blower is reduced, after the conveying is finished, due to the existence of negative pressure in the air pipes, dust and strip-shaped scraps mixed in the air pipes can enter the air pipes of the multiple devices, and the problem of air pipe blockage can occur after the Roots blower is used for a long time.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: overcomes the defects of the prior art, and provides the air intercepting device which improves the conveying efficiency and avoids the blockage of the air pipe and is suitable for the negative pressure conveying of granular particles.
The utility model discloses a solve the technical scheme that its technical problem adopted and do: the air intercepting device suitable for negative pressure conveying of granular particles comprises an inlet pipe, wherein the inlet pipe is communicated with an inlet of an air intercepting cavity, and an outlet pipe is communicated with an outlet of the air intercepting cavity;
and an air cylinder is arranged on one side opposite to the outlet of the air intercepting cavity, an air intercepting part used for plugging the outlet of the air intercepting cavity is arranged at the end part of a piston rod of the air cylinder, and the air cylinder is fixedly connected with the air intercepting cavity.
The utility model discloses during the use, with this wind-break device setting need the branched branch manage on, each branch correspondence sets up a wind-break device, through the state that opens and shuts of cylinder control wind-break piece in wind-break cavity exit. The inlet pipe is communicated with the fan, the outlet pipe is communicated with the fan through the dust removal box, when the branch is required to be evacuated, the air intercepting part is pushed to leave the outlet of the air intercepting cavity through the air cylinder, the air flow enters the outlet pipe through the outlet of the air intercepting cavity, and meanwhile, dust and the like in the air pipe are brought into the dust removal box. And for the unused branch, the air blocking part is controlled by the air cylinder to block the outlet of the air blocking cavity, so that dust and the like mixed in the air pipe are prevented from entering the unused branch to cause branch blockage.
The air cylinder is fixedly connected with the air intercepting cavity through an air cylinder fixing nut.
The side wall of the wind intercepting cavity is provided with a glass window, and the glass window is fixedly connected with the wind intercepting cavity through a glass fixing bolt. The condition in the air intercepting cavity can be conveniently observed through the glass window. The glass window is made of organic glass and is fixedly connected with the wind-intercepting cavity through 6 glass fixing bolts.
The wind-blocking piece comprises a circular blocking piece, a sealing soft rubber pad and a flat pad which are sequentially arranged at the end part of the cylinder piston rod, and the circular blocking piece, the sealing soft rubber pad and the flat pad are fixedly connected with the cylinder piston rod through nuts. The sealing soft rubber pad is provided with a groove for installing the flat pad and the nut, the end part of the piston rod of the air cylinder is provided with an external thread, and the round separation blade, the sealing soft rubber pad and the flat pad are compressed and fixed at the end part of the piston rod of the air cylinder through the nut. The round baffle is made of stainless steel.
One end of the air intercepting cavity outlet is communicated with one end of a connecting pipe, and the other end of the connecting pipe is communicated with an outlet pipe through a transition pipe fitting;
the outlet pipe is arranged coaxially with the inlet pipe. The connecting pipe is arranged to provide a space for pushing the piston rod of the air cylinder, when the air intercepting part is opened, the air intercepting part is pushed to the connecting pipe through the air cylinder, and air flow enters the connecting pipe through the outlet of the air intercepting cavity.
The transition pipe fitting comprises a 90-degree transition elbow A communicated with the connecting pipe, the transition elbow A is communicated with a 90-degree transition elbow B, and the transition elbow B is communicated with the outlet pipe;
the pipe diameters of the inlet pipe and the outlet pipe are the same. Through two 90 transition elbows, realize outlet pipe and the coaxial setting of import pipe, be convenient for with the butt joint of other supporting pipe fittings. The pipe diameters of the inlet pipe and the outlet pipe are determined according to the conveying capacity of the on-site fan.
The inlet pipe and the outlet pipe are made of stainless steel.
The thickness of the glass window is 10 mm.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model adds the wind interception device on the branch needed by the wind pipe; when the branch is used, the sealing soft rubber pad in the air intercepting device is opened, the unused branch keeps the sealing soft rubber pad in a closed state, the sealing soft rubber pad of the unused branch air pipe is closed, so that the sealing soft rubber pad is not evacuated, air passes through the air intercepting device and then is opened through the air intercepting cavity, dust and the like of the air pipe are brought into the dust removing box, and dust and strip-shaped scraps mixed in the air pipe are intercepted to enter the unused air pipe, so that the blockage of other air pipes is prevented.
2. The utility model discloses a sealed soft cushion on the cylinder promotion piston rod reliably contacts with the export of cut-off air cavity, forms sealed chamber, realizes blocking all the other tuber pipes and inhales the sky, reduces the not enough problem of suction that all the other tuber pipes leaked out and cause, shortens the vacuum time of fan exhaust tube, improves roots's fan's air conveying ability.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic structural view of the wind intercepting member of the present invention.
Fig. 3 is a schematic view of the structure of the glass window of the present invention.
In the figure: 1. an inlet pipe; 2. a cylinder; 3. a cylinder fixing nut; 4. a glass fixing bolt; 5. a glass window; 6. a wind intercepting cavity; 7. sealing the soft rubber cushion; 8. a nut; 9. a connecting pipe; 10. a transition elbow A; 11. a transition elbow B; 12. an outlet pipe; 13. a round baffle plate; 14. and (7) flattening the cushion.
Detailed Description
The embodiments of the present invention will be further described with reference to the accompanying drawings:
examples
As shown in fig. 1 to 3, the wind-cutting device comprises an inlet pipe 1, wherein the inlet pipe 1 is communicated with an inlet of a wind-cutting cavity 6, and an outlet pipe 12 is communicated with an outlet of the wind-cutting cavity 6;
the side opposite to the outlet of the air intercepting cavity 6 is provided with an air cylinder 2, the end part of a piston rod of the air cylinder 2 is provided with an air intercepting piece used for blocking the outlet of the air intercepting cavity 6, and the air cylinder 2 is fixedly connected with the air intercepting cavity 6.
The cylinder 2 is fixedly connected with the wind-intercepting cavity 6 through a cylinder fixing nut 3. The cylinder 2 adopts 32 cylinders.
The side wall of the wind-intercepting cavity 6 is provided with a glass window 5, and the glass window 5 is fixedly connected with the wind-intercepting cavity 6 through a glass fixing bolt 4. The condition in the wind intercepting cavity 6 is convenient to observe through the glass window 5. The glass window 5 is made of organic glass and is fixedly connected with the wind-intercepting cavity 6 through 6 glass fixing bolts 4.
The wind-stopping piece comprises a circular baffle 13, a sealing soft rubber pad 7 and a flat pad 14 which are sequentially arranged at the end part of the piston rod of the cylinder 2, and the circular baffle 13, the sealing soft rubber pad 7 and the flat pad 14 are fixedly connected with the piston rod of the cylinder 2 through nuts 8. As shown in fig. 2, the soft sealing rubber pad 7 is provided with a groove for mounting the flat pad 14 and the nut 8, the end of the piston rod of the cylinder 2 is provided with an external thread, and the circular baffle 13, the soft sealing rubber pad 7 and the flat pad 14 are pressed and fixed on the end of the piston rod of the cylinder 2 through the nut 8. The circular baffle 13 is made of stainless steel.
One end of the outlet of the wind intercepting cavity 6 is communicated with one end of a connecting pipe 9, and the other end of the connecting pipe 9 is communicated with an outlet pipe 12 through a transition pipe fitting;
the outlet tube 12 is arranged coaxially with the inlet tube 1. The arrangement of the connecting pipe 9 provides a space for pushing the piston rod of the air cylinder 2, when the wind-stopping piece is opened, the wind-stopping piece is pushed to the connecting pipe 9 through the air cylinder 2, and air flow enters the connecting pipe 9 through the outlet of the wind-stopping cavity 6.
The transition pipe fitting comprises a 90-degree transition elbow A10 communicated with the connecting pipe 9, a transition elbow A10 is communicated with a 90-degree transition elbow B11, and the transition elbow B is communicated with the outlet pipe 12;
the inlet pipe 1 and the outlet pipe 12 have the same pipe diameter. Through two 90-degree transition elbows, the coaxial arrangement of the outlet pipe 12 and the inlet pipe 1 is realized, and the butt joint with other matched pipe fittings is facilitated. The pipe diameters of the inlet pipe 1 and the outlet pipe 12 are determined according to the conveying capacity of an on-site fan.
The inlet pipe 1 and the outlet pipe 12 are made of stainless steel.
The thickness of the glazing 5 is 10 mm.
The operation principle is as follows: the air intercepting device is added on the branch required by the air pipe; the outlet pipe 12 can be communicated with the dust removal box, the soft sealing rubber pad 7 is used for plugging the outlet of the wind intercepting cavity 6, and the opening state of the soft sealing rubber pad is controlled by the cylinder 2.
If the branch is used, the sealing soft rubber pad 7 in the air intercepting device is opened, the sealing soft rubber pad 7 of the unused branch air pipe is closed so that the air is not evacuated, and after air in the used branch passes through the air intercepting device, the dust and the like of the air pipe are brought into the dust removal box through the sealing soft rubber pad 7 opened by the air intercepting cavity 6, so that the dust and the strip-shaped scraps mixed in the air pipe are prevented from entering the unused stainless steel air pipe, and the unused stainless steel air pipe is prevented from being blocked.
Claims (8)
1. The air intercepting device suitable for negative pressure conveying of granular particles is characterized by comprising an inlet pipe (1), wherein the inlet pipe (1) is communicated with an inlet of an air intercepting cavity (6), and an outlet of the air intercepting cavity (6) is communicated with an outlet pipe (12);
and one side opposite to the outlet of the air intercepting cavity (6) is provided with an air cylinder (2), the end part of a piston rod of the air cylinder (2) is provided with an air intercepting part for plugging the outlet of the air intercepting cavity (6), and the air cylinder (2) is fixedly connected with the air intercepting cavity (6).
2. The air intercepting device suitable for the negative pressure conveying of granular particles as claimed in claim 1, wherein the air cylinder (2) is fixedly connected with the air intercepting cavity (6) through an air cylinder fixing nut (3).
3. The wind intercepting device suitable for the negative pressure conveying of granular particles according to claim 1 or 2, wherein the side wall of the wind intercepting cavity (6) is provided with a glass window (5), and the glass window (5) is fixedly connected with the wind intercepting cavity (6) through a glass fixing bolt (4).
4. The air intercepting device suitable for the negative pressure conveying of granular particles according to claim 3, wherein the air intercepting part comprises a round baffle plate (13), a soft sealing rubber gasket (7) and a flat gasket (14) which are sequentially arranged at the end part of a piston rod of the cylinder (2), and the round baffle plate (13), the soft sealing rubber gasket (7) and the flat gasket (14) are fixedly connected with the piston rod of the cylinder (2) through a nut (8).
5. The air intercepting device suitable for the negative pressure conveying of granular particles as claimed in claim 4, wherein one end of the outlet of the air intercepting cavity (6) is communicated with one end of the connecting pipe (9), and the other end of the connecting pipe (9) is communicated with the outlet pipe (12) through a transition pipe fitting;
the outlet pipe (12) is arranged coaxially with the inlet pipe (1).
6. The air intercepting device suitable for the negative pressure delivery of granular particles according to claim 5, wherein the transition pipe comprises a 90 ° transition bend A (10) communicating with the connection pipe (9), the transition bend A (10) communicating with a 90 ° transition bend B (11), the transition bend B communicating with the outlet pipe (12);
the pipe diameters of the inlet pipe (1) and the outlet pipe (12) are the same.
7. The air intercepting device suitable for the negative pressure delivery of granular particles according to claim 6, wherein the inlet pipe (1) and the outlet pipe (12) are made of stainless steel.
8. The wind-break device suitable for the negative pressure transport of granular particles according to claim 3, characterized in that the glass window (5) has a thickness of 10 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120225732.6U CN214326509U (en) | 2021-01-27 | 2021-01-27 | Air intercepting device suitable for granular particle negative pressure conveying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120225732.6U CN214326509U (en) | 2021-01-27 | 2021-01-27 | Air intercepting device suitable for granular particle negative pressure conveying |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214326509U true CN214326509U (en) | 2021-10-01 |
Family
ID=77906553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120225732.6U Active CN214326509U (en) | 2021-01-27 | 2021-01-27 | Air intercepting device suitable for granular particle negative pressure conveying |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214326509U (en) |
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2021
- 2021-01-27 CN CN202120225732.6U patent/CN214326509U/en active Active
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