CN208348176U - A kind of adjustable ejector - Google Patents
A kind of adjustable ejector Download PDFInfo
- Publication number
- CN208348176U CN208348176U CN201820519583.2U CN201820519583U CN208348176U CN 208348176 U CN208348176 U CN 208348176U CN 201820519583 U CN201820519583 U CN 201820519583U CN 208348176 U CN208348176 U CN 208348176U
- Authority
- CN
- China
- Prior art keywords
- pallet
- planetary gear
- rotation
- regulating mechanism
- hand wheel
- 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.)
- Withdrawn - After Issue
Links
- 239000012530 fluid Substances 0.000 claims abstract description 7
- 230000001105 regulatory effect Effects 0.000 claims description 28
- 238000001125 extrusion Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 2
- 238000012545 processing Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 19
- 230000000694 effects Effects 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 241000208340 Araliaceae Species 0.000 description 2
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 2
- 235000003140 Panax quinquefolius Nutrition 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 235000008434 ginseng Nutrition 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Jet Pumps And Other Pumps (AREA)
Abstract
A kind of adjustable ejector belongs to multiple fluid and pressed gas jet flow pressurizing applied technical field.This adjustable ejector adjusts a pair of Lavalle spout being made of the first pallet of relative rotation, the second pallet using planetary gear, control the rotation angle of the first pallet, the second pallet, change the throat opening area of Lavalle spout, adjusts outlet and throat opening area ratio.The ejector structure is simple, by the rotation of adjustable shaft, nozzle exit product is changed, so as to adjust operating point location, adjustable axle construction, without long range cantilever design, issuable vibration problems are eliminated, increase the reliability of equipment, simultaneously, while increasing equipment adjustability, processing and manufacturing cost are cheap, and manufacturing process is simple.
Description
Technical field
The utility model relates to a kind of adjustable ejectors, belong to multiple fluid and pressed gas jet flow pressurizing application technology
Field.
Background technique
Injector is also jet pump, it with the most significant feature of other supercharging equipments be can be improved fluid pressure and
Mechanical energy is not consumed directly.Since structure is simple, no rotating member, so using other machinery supercharging equipment using injector ratio
Such as: compressor, pump are simple and reliable；In addition, injector is connected with other equipment, systematic comparison is simple, manufactures also not
It is complicated.Injector has obtained more and more applications in technical fields such as power, petrochemical industry, refrigeration, heating at present.Due to it
Extensive use in engineering, injector have become an important branch of supercharging technology.
However traditional static injector geometry is fixed, and is changed greatly in equipment working condition, and design conditions are especially deviateed
Equipment cisco unity malfunction when more, and only just have maximal efficiency in projected working point, during actual use it is required that energy
Enough very easily to change the characteristics such as rate of discharge, compression ratio, injection ratio, fixed injector is difficult to meet operating condition variation requirement.
Therefore, injector how is improved for the adaptability of different operating conditions and improves injector efficiency as static injection in recent years
The content of device research, adjustable ejector become one of the developing direction in the field.
It proposes earliest and apply adjustable ejector is the U.S., just manufactured in the 1940s and big as power station
The water supply equipment of type device, but efficiency at that time is very low, only 30% or so.More popular adjustable scheme at present,
It is to adjust injector nozzle by moving axially the position of cone governor by the way that a cone governor is arranged inside injector nozzle
The actual internal area of outlet, to change the flow of working fluid, such as Patent No. 201110027632.3；Or pass through movement
The relative position of spout and mixing chamber, such as Patent No. 201110456686.1.But when similar scheme is used for high pressure, high flow rate
Natural gas field when, when being more than 10MPa to the test of adjustable wimble structure discovery high pressure gas nozzle needle can high vibration and generation very
Big noise, effect is undesirable or can not work；For the scheme of mobile spout relative position, adjustable range is limited and effect not
It is ideal.Therefore develop that a kind of structure is reliable, adjustable ejector of excellent is necessary.
Summary of the invention
The utility model provides a kind of adjustable ejector, and to solve in the prior art, static injector deviates design
The job insecurity problem that point working efficiency reduces rapidly and existing adjustable bevel-type injector generates under high pressure, high flow rate, leads to
Reliable and stable adjustable structure is crossed, operational effect is improved.
The technical solution that the utility model uses is: a kind of adjustable ejector, it includes injector regulating mechanism
Shell is welded with the pipeline of high pressure gas entrance in one end of injector regulating mechanism shell, and the other end is by being equipped with tenon groove structure
Flanged joint reassembling type diffuser, the end of diffuser be equipped with middle extrusion mouth, it further includes a regulating mechanism, described
Regulating mechanism adjusts a pair of Lavalle being made of the first pallet of relative rotation, the second pallet by planetary gear and sprays
Mouthful, regulating mechanism controls the rotation angle of the first pallet, the second pallet, changes the throat opening area of Lavalle spout, adjusts
Outlet and throat opening area ratio；The cross section of fluid channel of injector is rectangle, and length-width ratio is 50:1 to 1:50；Diffuser entrance and outlet
Sectional area ratio be 1:1 to 1:20；The bottom of the injector regulating mechanism shell is low pressure gas entrance, and high pressure gas is through high pressure gas
Entrance enters injector regulating mechanism shell, and pressure energy becomes kinetic energy and inhaled low pressure gas from low pressure gas entrance by swabbing action
Enter, mixing section is entered after mixing, be discharged after diffuser by middle extrusion mouth, the gas of discharge is connected with gas transmission system.
The regulating mechanism inputs Torque-adjusting by handwheel, drives hand wheel shaft rotation, and the other end of hand wheel shaft is equipped with row
The sun gear of star gear train；Planetary gear is supported by planet carrier, and is evenly distributed with three planetary gears in the circumferential, and planet carrier is located in
On hand wheel shaft and rotate freely；Each planetary gear shaft is equipped with twice planetary gear, first of planetary gear while and handwheel
Sun gear and the engagement of the first ring gear, second planetary gear on axis are engaged with the second ring gear rotated freely；Work as handwheel
When rotation, hand wheel shaft rotation is driven, hand wheel shaft rotation drives the rotation of three planetary gears, and first of planetary gear is by with first
Ring gear engagement drives planet carrier to revolve around hand wheel shaft, and then drives second by the second planetary gear in planetary gear shaft
Ring gear rotation；Second ring gear passes through spline and the pallet axis connection for having the second pallet, the adjusting of the second pallet
Valve axis and the pallet axis of the first pallet by etc. the gears of the numbers of teeth engage, to realize the first pallet, the second pallet
Constant speed opposite direction rotating.
The resultant gear ratio of the regulating mechanism is 1:20 to 1:200.
It is 1 to 2 that shape, which constitutes the outlet of spout with the section ratio of throat, between first pallet and the second pallet.
The beneficial effects of the utility model are: this adjustable ejector adjusts a pair by relative rotation using planetary gear
The first pallet, the second pallet constitute Lavalle spout, control the first pallet, the second pallet rotation angle,
Change the throat opening area of Lavalle spout, adjusts outlet and throat opening area ratio.The ejector structure is simple, passes through turning for adjustable shaft
It is dynamic, nozzle exit product is changed, so as to adjust operating point location, adjustable axle construction, no long range cantilever design eliminates possibility
The vibration problems of generation increase the reliability of equipment, meanwhile, while increasing equipment adjustability, processing and manufacturing cost
Cheap, manufacturing process is simple.
Detailed description of the invention
Fig. 1 is a kind of main view of adjustable ejector.
Fig. 2 is a kind of top view of adjustable ejector.
Fig. 3 is the schematic diagram of injector regulating mechanism.
In figure: 1, high pressure gas entrance, 2, injector regulating mechanism shell, 3, handwheel, 4, diffuser, 5, middle extrusion mouth, 6,
Low pressure gas entrance, 7, hand wheel shaft, the 8, first ring gear, 9, first of planetary gear, 9a, second planetary gear, 10, planet
Frame, the 11, second ring gear, the 12, first pallet, the 13, second pallet.
Specific embodiment
Fig. 1,2,3 show a kind of structure chart of adjustable ejector.In figure, this adjustable ejector includes injector
Regulating mechanism shell 2 and a regulating mechanism.The pipe of high pressure gas entrance 1 is welded in one end of injector regulating mechanism shell 2
Road, the other end are equipped with middle extrusion in the end of diffuser 4 by the diffuser 4 of the flanged joint reassembling type equipped with tenon groove structure
Mouth 5.Regulating mechanism adjusts a pair of drawing being made of the first pallet 12 of relative rotation, the second pallet 13 by planetary gear
Wa Er spout, regulating mechanism control the rotation angle of the first pallet 12, the second pallet 13, change the throat of Lavalle spout
Area adjusts outlet and throat opening area ratio.The cross section of fluid channel of injector is rectangle, and length-width ratio is 50:1 to 1:50；Diffuser
Entrance and the sectional area of outlet ratio are 1:1 to 1:20.The bottom of injector regulating mechanism shell 2 is low pressure gas entrance 6, high pressure gas
Enter injector regulating mechanism shell 2 through high pressure gas entrance 1, pressure energy become kinetic energy and by swabbing action by low pressure gas from low
Pressure port 6 sucks, and mixing section is entered after mixing, is discharged after diffuser 4 by middle extrusion mouth 5, the gas of discharge and gas transmission
System is connected.
Regulating mechanism inputs Torque-adjusting by handwheel 3, and hand wheel shaft 7 is driven to rotate, and the other end of hand wheel shaft 7 is equipped with planet
The sun gear of gear train；Planetary gear is supported by planet carrier 10, and is evenly distributed with three planetary gears in the circumferential, and planet carrier 10 positions
On hand wheel shaft 7 and rotate freely；Each planetary gear shaft is equipped with twice planetary gear, first planetary gear 9 simultaneously with
Sun gear and the engagement of the first ring gear 8, second planetary gear 9a on hand wheel shaft 7 are nibbled with the second ring gear 11 rotated freely
It closes.When handwheel 3 rotates, hand wheel shaft 7 is driven to rotate, the rotation of hand wheel shaft 7 drives three planetary gear rotations, first of planet tooth
Wheel 9 drives planet carrier 10 to revolve around hand wheel shaft 7 by engaging with the first ring gear 8, and then passes through second in planetary gear shaft
Road planetary gear 9a drives the rotation of the second ring gear 11.Second ring gear 11 passes through spline and the adjusting for having the second pallet 13
Valve axis connection, the pallet axis of the second pallet 13 and the pallet axis of the first pallet 12 by etc. the gears of the numbers of teeth engage,
To realize the first pallet 12,13 constant speed opposite direction rotating of the second pallet.
The resultant gear ratio of regulating mechanism is 1:20 to 1:200.Shape is constituted between first pallet 12 and the second pallet 13
The outlet of spout is 1 to 2 with the section ratio of throat.
Using above-mentioned technical solution, in the initial state, two Wellas formed between the first pallet, the second pallet
The nozzle exit Wa Er product meets the design requirement of optimum condition, is the injector to work under standard running parameter, does not need to adjust
The angle of the first pallet, the second pallet is saved, higher working efficiency can be obtained；In real work, work in every ginseng
Number changes, and when shifting with former design point, injector can work at off-design point, it is difficult to reach optimum condition.This
When, by rotating adjusting handle, hand wheel shaft rotation is driven, hand wheel shaft, which rotates, drives planetary gear rotation, in planetary gear shaft
First of planetary gear drives planet carrier to revolve around hand wheel shaft by engaging with the first ring gear, and then by planetary gear shaft
Second planetary gear drive the second ring gear rotation.Second ring gear passes through spline and the pallet for having the second pallet
Axis connection, the second pallet and the first pallet by etc. the gears of the numbers of teeth engage, to realize that the first pallet, second are adjusted
The constant speed opposite direction rotating of valve makes injector adapt to new work again to adjust the sectional area and area ratio of Lavalle spout
Point operating condition.
This injector can be realized at any time adjustment nozzle exit product as needed, to be adapted to various different operating ginsengs
Number, prevents the decline of working efficiency.
Claims (4)
1. a kind of adjustable ejector, it includes injector regulating mechanism shell (2), in injector regulating mechanism shell (2)
One end is welded with the pipeline of high pressure gas entrance (1), the diffuser that the other end passes through the flanged joint reassembling type equipped with tenon groove structure
(4), middle extrusion mouth (5), it is characterized in that: further comprising a regulating mechanism, the adjusting machine are equipped in the end of diffuser (4)
Structure adjusts a pair of Lavalle being made of the first pallet (12) of relative rotation, the second pallet (13) by planetary gear and sprays
Mouthful, regulating mechanism controls the rotation angle of the first pallet (12), the second pallet (13), changes the throat face of Lavalle spout
Product adjusts outlet and throat opening area ratio；The cross section of fluid channel of injector is rectangle, and length-width ratio is 50:1 to 1:50；Diffuser enters
Mouth and the sectional area ratio of outlet are 1:1 to 1:20；The bottom of the injector regulating mechanism shell (2) is low pressure gas entrance (6),
High pressure gas enters injector regulating mechanism shell (2) through high pressure gas entrance (1), and pressure energy becomes kinetic energy and will by swabbing action
Low pressure gas is sucked from low pressure gas entrance (6), and mixing section is entered after mixing, is discharged after diffuser (4) by middle extrusion mouth (5),
The gas of discharge is connected with gas transmission system.
2. a kind of adjustable ejector according to claim 1, it is characterized in that: the regulating mechanism is defeated by handwheel (3)
Enter Torque-adjusting, drive hand wheel shaft (7) rotation, the other end of hand wheel shaft (7) is equipped with the sun gear of planetary gear train；Planetary gear
It is supported by planet carrier (10), and is evenly distributed with three planetary gears in the circumferential, planet carrier (10) is located on hand wheel shaft (7) simultaneously freely
Rotation；Each planetary gear shaft is equipped with twice planetary gear, first planetary gear (9) simultaneously on hand wheel shaft (7) too
Sun wheel and the first ring gear (8) engagement, second planetary gear (9a) are engaged with the second ring gear (11) rotated freely；Work as hand
When taking turns (3) rotation, hand wheel shaft (7) rotation is driven, hand wheel shaft (7) rotation drives three planetary gear rotations, first of planet tooth
Wheel (9) drives planet carrier (10) to revolve around hand wheel shaft (7) by engaging with the first ring gear (8), and then passes through planetary gear shaft
On second planetary gear (9a) drive the second ring gear (11) rotation；Second ring gear (11) is by spline and with second
The pallet axis connection of pallet (13), the pallet axis of the second pallet (13) and the pallet axis of the first pallet (12) are logical
The gear engagement for the numbers of teeth such as crossing, to realize the first pallet (12), the second pallet (13) constant speed opposite direction rotating.
3. a kind of adjustable ejector according to claim 2, it is characterized in that: the resultant gear ratio of the regulating mechanism is 1:
20 to 1:200.
4. a kind of adjustable ejector according to claim 1, it is characterized in that: first pallet (12) is adjusted with second
Saving shape between valve (13) and constituting the outlet of spout with the section ratio of throat is 1 to 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820519583.2U CN208348176U (en) | 2018-04-13 | 2018-04-13 | A kind of adjustable ejector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820519583.2U CN208348176U (en) | 2018-04-13 | 2018-04-13 | A kind of adjustable ejector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208348176U true CN208348176U (en) | 2019-01-08 |
Family
ID=64884677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820519583.2U Withdrawn - After Issue CN208348176U (en) | 2018-04-13 | 2018-04-13 | A kind of adjustable ejector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208348176U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108343643A (en) * | 2018-04-13 | 2018-07-31 | 大连理工大学 | A kind of adjustable ejector |
-
2018
- 2018-04-13 CN CN201820519583.2U patent/CN208348176U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108343643A (en) * | 2018-04-13 | 2018-07-31 | 大连理工大学 | A kind of adjustable ejector |
| CN108343643B (en) * | 2018-04-13 | 2023-10-31 | 大连理工大学 | Adjustable ejector |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2009544893A (en) | Impact turbine used in bidirectional flow | |
| CN208417937U (en) | Pipe cooling device | |
| CN208348176U (en) | A kind of adjustable ejector | |
| CN105855084B (en) | Adjustable spraying apparatus | |
| CN101625000A (en) | Adjustable multi-streaming type steam jet heat pump | |
| US9863128B2 (en) | Adjustable jet valve | |
| CN104907195A (en) | Rotational flow injection nozzle | |
| CN101634233B (en) | Pneumatic nozzle of variable geometry turbocharger (VGT) | |
| CN108343643A (en) | A kind of adjustable ejector | |
| CN106438105A (en) | Self-driving fan with loop air injection and working method thereof | |
| CN102374069A (en) | Hot-stamping engine | |
| CN206320047U (en) | High-efficiency centrifugal pump | |
| CN204746714U (en) | Water -spraying system and sprayer | |
| CN201474730U (en) | Pneumatic nozzle of turbocharger with variable geometry | |
| CN207292506U (en) | A kind of bottle placer combined type filling head | |
| CN101463734A (en) | Bidirectional energy conversion machine | |
| CN208330728U (en) | A kind of two-stage helical-lobe compressor of band grade room machine mixer | |
| CN209164152U (en) | A kind of centrifugal compressor driving mechanism | |
| CN206845241U (en) | A kind of high-pressure cylinder of multistage turbine | |
| CN206121980U (en) | Modularization sprayer | |
| CN205101297U (en) | Jet pump with nozzle entad | |
| CN218467939U (en) | Double-phase steel ejector structure | |
| CN221387214U (en) | Reverse-drawing rotary spray gun assembly | |
| CN202203066U (en) | Hot-punching engine | |
| CN217274929U (en) | Worm-driven adjustable vortex tube |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190108 Effective date of abandoning: 20231031 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190108 Effective date of abandoning: 20231031 |