CN203127623U - Breathable dust-reducing device on air cushion belt conveyor - Google Patents
Breathable dust-reducing device on air cushion belt conveyor Download PDFInfo
- Publication number
- CN203127623U CN203127623U CN 201320135757 CN201320135757U CN203127623U CN 203127623 U CN203127623 U CN 203127623U CN 201320135757 CN201320135757 CN 201320135757 CN 201320135757 U CN201320135757 U CN 201320135757U CN 203127623 U CN203127623 U CN 203127623U
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- CN
- China
- Prior art keywords
- dust
- ventilation pipe
- air cushion
- reducing device
- grid plates
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- 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.)
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Abstract
The utility model discloses a breathable dust-reducing device on an air cushion belt conveyor. The breathable dust-reducing device comprises a base plate connected to a sealing cover arranged at the upper part of the air cushion belt conveyor through a screw, wherein a rain-proof cover is welded at the upper part of a ventilation pipe; the lower part of the ventilation pipe is welded with the base plate; grid plates are welded inside the ventilation pipe in a layering and staggered manner; threaded holes are formed in plate surfaces of each layer and are screwed by bolts; the diameter of each threaded hole is 3 mm; and the threaded holes are uniformly distributed in the grid plates with the row pitch of 30 mm. The breathable dust-reducing device adopts a lengthened ventilation pipe so as to increase the airflow process; the porous grid plates are arranged inside the ventilation pipe in a staggered manner to enable the airflow directions to be changed repeatedly in the flowing process, so as to reduce impact of high-speed airflow and to enable a fluid field of the air to be an eddying flow; and meanwhile raise dust gradually deposits during passing the porous grid plates, so as to achieve the purpose of reducing raising dust.
Description
Technical field:
The utility model relates to a kind of ventilative device for reducing dust, is specially adapted to use on the air cushion-belt conveyer of airborne dust material.
Background technology:
Existing air cushion-belt conveyer is in the process of carrying easy airborne dust material, the high pressure gas of air cushion-belt conveyer seal closure inside carry a large amount of dusts and spray from the gas permeable devices mouth, gas permeable devices is leakage port unique in the air cushion-belt conveyer, gas permeable devices connects and composes (see figure 1) by rainproof cover 1 breather pipe 2 with bottom block 3, play the effect that reduces air cushion-belt conveyer sealed inside pressure, its shortcoming is: the requirement of existing gas permeable devices out of reach dedusting, a large amount of dusts spray from gas permeable devices, cause aerial contamination, even cause the serious waste of expensive material.
Summary of the invention:
Task of the present utility model is to propose a kind of good dedusting effect, the ventilative device for reducing dust on the air cushion-belt conveyer of minimizing airborne dust.
Task of the present utility model is finished like this, ventilative device for reducing dust on the air cushion-belt conveyer, it comprises that bed plate is connected by the seal closure of screw with air film conveyer top, breather pipe top is welded with rainproof cover, breather pipe below and bed plate welding, it is characterized in that: the zigzag weld of breather pipe interior laminate layer is connected to screen, has tapped bore on the plate face that described screen is every layer and tightens with bolt.Described tapped bore diameter 3mm.Pitch-row 30mm is evenly distributed on the screen.
The utlity model has following effect: the utility model adopts and lengthens breather pipe, purpose is the flow process that increases air-flow, in the inner alternative arrangement of breather pipe multi hole grid is arranged, make air-flow repeatedly changed course in flow process, thereby reduce the impact of high velocity air, make the flow field of pressed gas become turbulent flow, and airborne dust reach the purpose that reduces airborne dust through successively precipitating in the process of multi hole grid.
Description of drawings:
Fig. 1 is the existing structure scheme drawing; Fig. 2 is structural representation of the present utility model; Fig. 3 is the structural representation of screen.
Drawing explanation: 1, rainproof cover, 2, breather pipe, 3, bed plate, 4, screen.
The specific embodiment:
Describe embodiment in detail in conjunction with above accompanying drawing, prior art is: bed plate 3 is connected by the seal closure of screw with air film conveyer top, and breather pipe 2 tops are welded with rainproof cover 1, breather pipe 2 belows and bed plate welding.The technical solution of the utility model is to be connected to screen 4 in the zigzag weld of breather pipe interior laminate layer, has tapped bore on the plate face that described screen is every layer and tightens with bolt, tapped bore diameter 3mm.Pitch-row 30mm is evenly distributed on the screen, and work can be backed out binding bolt after a period of time, blows into breather pipe with high pressure air through tapped bore, dust is blown off to the load-transfer device of air film conveyer from screen, thereby avoided the waste of expensive material.
Claims (2)
1. the ventilative device for reducing dust on the air cushion-belt conveyer, it comprises that bed plate is connected by the seal closure of screw with air film conveyer top, breather pipe top is welded with rainproof cover, breather pipe below and bed plate welding, it is characterized in that: the zigzag weld of breather pipe interior laminate layer is connected to screen, has tapped bore on the plate face that described screen is every layer and tightens with bolt.
2. the ventilative device for reducing dust on the air cushion-belt conveyer according to claim 1, it is characterized in that: described tapped bore diameter 3mm, pitch-row 30mm is evenly distributed on the screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320135757 CN203127623U (en) | 2013-03-25 | 2013-03-25 | Breathable dust-reducing device on air cushion belt conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320135757 CN203127623U (en) | 2013-03-25 | 2013-03-25 | Breathable dust-reducing device on air cushion belt conveyor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203127623U true CN203127623U (en) | 2013-08-14 |
Family
ID=48935623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320135757 Expired - Lifetime CN203127623U (en) | 2013-03-25 | 2013-03-25 | Breathable dust-reducing device on air cushion belt conveyor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203127623U (en) |
-
2013
- 2013-03-25 CN CN 201320135757 patent/CN203127623U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130814 |
|
| CX01 | Expiry of patent term |