CN206360717U - A kind of gas induction apparatus - Google Patents
A kind of gas induction apparatus Download PDFInfo
- Publication number
- CN206360717U CN206360717U CN201621261834.9U CN201621261834U CN206360717U CN 206360717 U CN206360717 U CN 206360717U CN 201621261834 U CN201621261834 U CN 201621261834U CN 206360717 U CN206360717 U CN 206360717U
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- CN
- China
- Prior art keywords
- connecting cylinder
- conical nozzle
- gas
- induction apparatus
- gas induction
- 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.)
- Expired - Fee Related
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- Jet Pumps And Other Pumps (AREA)
Abstract
The utility model discloses a kind of gas induction apparatus, it is related to gas ejectors technique field, including the first connecting cylinder, the second connecting cylinder, receiving chamber and the mixing chamber being sequentially communicated, it is characterised in that：The air inlet end of first connecting cylinder is provided with blower fan, conical nozzle is provided with second connecting cylinder, the heavy caliber end of the conical nozzle is connected with the air opening end of the first connecting cylinder, and the small-caliber end of the conical nozzle is provided with 1 main injection jet and around 24 cap jets of main injection jet setting, and the air outlet of the mixing chamber is provided with diffuser, this design, simple and reasonable, conical nozzle produces high pressure draught, and ability to work is stronger, the energy is saved, cost is reduced.
Description
Technical field
The utility model is related to gas ejectors technique field, more particularly to a kind of gas induction apparatus.
Background technology
The governance approach that goaf gas overflows the Gas Accumulation in Upper-Corner by Pulsed caused and transfinited has Ventilation method, descentional ventilation
Method, ejectment method, extraction method, the gas using explosion-proof Non-spark quo of local Fan for Mine pump drainage upper corner, or a variety of methods
Use simultaneously.At this stage based on use gas pump extraction.Because gas pump is arranged on ground, extraction distance is remote, causes energy
Loss and cost it is larger.
The utility model is according to the environmental quality of mine gas drainage pipeline, using gas induction apparatus for gas suction pump
Gas density overrun issues are solved, to reduce the purpose of gas drainage under suction cost.
The content of the invention
Technical problem to be solved in the utility model is to provide a kind of gas induction apparatus, to solve to lead in the prior art
The above-mentioned multinomial defect caused.
To achieve the above object, the utility model provides following technical scheme：A kind of gas induction apparatus, including successively
The first connecting cylinder, the second connecting cylinder, receiving chamber and the mixing chamber of connection, the air inlet end of first connecting cylinder are provided with blower fan,
Conical nozzle is provided with second connecting cylinder, the heavy caliber end of the conical nozzle is connected with the air opening end of the first connecting cylinder
Connect, the small-caliber end of the conical nozzle is provided with 1 main injection jet and around 2-4 cap jet of main injection jet setting, the mixing
The air outlet of room is provided with diffuser.
It is preferred that, the cap jet is 4.
It is preferred that, screen pack is provided with first connecting cylinder.
It is preferred that, the diffuser is pyramidal structure.
Beneficial effect using above technical scheme is：The gas induction apparatus of the utility model structure, by blower fan, first
The part such as connecting cylinder, the second connecting cylinder, conical nozzle, receiving chamber, mixing chamber and diffuser is constituted, and working air current is entered by blower fan
Row is provided, and working air current and gas are introduced conical nozzle by blower fan by the first connecting cylinder, the heavy caliber end of conical nozzle and the
The air opening end of one connecting cylinder is connected, and the small-caliber end of conical nozzle is with 1 main injection jet and around the 2-4 of main injection jet setting
Individual cap jet, forms high pressure draught, received room, and then is pressed into mixing chamber, then, and working air current and gas are carried out in mixing chamber
Mixing, so as to reach the purpose of reduction gas density, mixed present low gas air-flow is discharged to tunnel suitable again through diffuser
Impurity in screen pack, filtration air-flow and gas is installed in position, the first connecting cylinder, induction efficiency is improved；Diffuser is
Pyramidal structure, can form negative pressuren zone on its periphery, increase the diffusion of air-flow, and this design improves flow regime, eliminates stream
Dynamic vortex and segregation phenomenon, reduce the flow losses of inside, improve drainage efficiency, reached the requirement of drainage flow, work
Make ability stronger, save the energy, reduce cost.
Brief description of the drawings
Fig. 1 is schematic diagram of the present utility model；
Fig. 2 is the structural representation of conical nozzle.
Wherein, 1- blower fans, the connecting cylinders of 2- first, the connecting cylinders of 3- second, 4- conical nozzles, 5- main injection jets, 6- receiving chambers, 7-
Mixing chamber, 8- diffusers, 9- screen packs, 10- cap jets.
Embodiment
Describe preferred embodiment of the present utility model in detail below in conjunction with the accompanying drawings.
Fig. 1 and Fig. 2 show embodiment of the present utility model：A kind of gas induction apparatus, including be sequentially connected
First connecting cylinder 2, the second connecting cylinder 3, receiving chamber 6 and mixing chamber 7, the air inlet end of first connecting cylinder 2 are provided with blower fan 1,
Conical nozzle 4, the heavy caliber end of the conical nozzle 4 and the air opening end of the first connecting cylinder 2 are provided with second connecting cylinder 3
It is connected, the small-caliber end of the conical nozzle 4 is provided with 1 main injection jet 5 and around 4 cap jets 10 of the setting of main injection jet 5, institute
The air outlet for stating mixing chamber 7 is provided with diffuser 8.
In the present embodiment, the impurity in screen pack 9, filtration air-flow and gas is installed in the first connecting cylinder 2, raising is drawn
Penetrate efficiency.
In the present embodiment, diffuser 8 is pyramidal structure, can form negative pressuren zone on its periphery, increase the diffusion of air-flow.
Operation principle of the present utility model：Working air current is provided by blower fan 1, and blower fan 1 leads to working air current and gas
Cross the first connecting cylinder 2 and introduce conical nozzle 4, the heavy caliber end of conical nozzle 4 is connected with the air opening end of the first connecting cylinder 2,
The 2-4 cap jet 10 that the small-caliber end of conical nozzle 4 is set with 1 main injection jet 5 and around main injection jet 5, forms high pressure gas
Stream, received room 6, and then mixing chamber 7 is pressed into, working air current and gas are mixed in mixing chamber 7, so as to reach reduction gas
The purpose of concentration, mixed present low gas air-flow is discharged to the suitable position in tunnel again through diffuser.
Based on above-mentioned, the gas induction apparatus of the utility model structure, the flow regime of air-flow is improved, flowing is eliminated
Vortex and segregation phenomenon, reduce the flow losses of inside, improve drainage efficiency, reached the requirement of drainage flow, work
Ability is stronger, saves the energy, reduces cost.
Above-described is only preferred embodiment of the present utility model, it is noted that for the ordinary skill of this area
For personnel, on the premise of the utility model creation design is not departed from, various modifications and improvements can be made, these all belong to
In protection domain of the present utility model.
Claims (4)
1. a kind of gas induction apparatus, including the first connecting cylinder, the second connecting cylinder, receiving chamber and the mixing chamber being sequentially communicated, its
It is characterised by：The air inlet end of first connecting cylinder, which is provided with blower fan, second connecting cylinder, is provided with conical nozzle, the cone
The heavy caliber end of shape spout is connected with the air opening end of the first connecting cylinder, and the small-caliber end of the conical nozzle is provided with 1 master
Spout and the 2-4 cap jet set around main injection jet, the air outlet of the mixing chamber are provided with diffuser.
2. gas induction apparatus according to claim 1, it is characterised in that：The cap jet is 4.
3. gas induction apparatus according to claim 1, it is characterised in that：Screen pack is provided with first connecting cylinder.
4. gas induction apparatus according to claim 1, it is characterised in that：The diffuser is pyramidal structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621261834.9U CN206360717U (en) | 2016-11-24 | 2016-11-24 | A kind of gas induction apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621261834.9U CN206360717U (en) | 2016-11-24 | 2016-11-24 | A kind of gas induction apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206360717U true CN206360717U (en) | 2017-07-28 |
Family
ID=59373094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621261834.9U Expired - Fee Related CN206360717U (en) | 2016-11-24 | 2016-11-24 | A kind of gas induction apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206360717U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108180034A (en) * | 2017-12-28 | 2018-06-19 | 太原理工大学 | A kind of application process that coal mine gas at upper corner is administered based on aqueous vapor scroll fluid |
-
2016
- 2016-11-24 CN CN201621261834.9U patent/CN206360717U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108180034A (en) * | 2017-12-28 | 2018-06-19 | 太原理工大学 | A kind of application process that coal mine gas at upper corner is administered based on aqueous vapor scroll fluid |
| CN108180034B (en) * | 2017-12-28 | 2020-07-28 | 太原理工大学 | Application method for treating gas at upper corner of coal mine based on water-gas vortex fluid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170728 Termination date: 20171124 |