CN205841337U - A kind of ejector - Google Patents
A kind of ejector Download PDFInfo
- Publication number
- CN205841337U CN205841337U CN201620271485.2U CN201620271485U CN205841337U CN 205841337 U CN205841337 U CN 205841337U CN 201620271485 U CN201620271485 U CN 201620271485U CN 205841337 U CN205841337 U CN 205841337U
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- CN
- China
- Prior art keywords
- power jet
- ejector
- driving
- motive fluid
- screw rod
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Abstract
This utility model belongs to the technical field of chemical plant installations, disclose a kind of ejector, and this ejector includes being provided with dividing plate between motive fluid room and driving fluid room, and described motive fluid room and described driving fluid room；Also include the power jet being slidedly assemblied on described dividing plate and being connected with described bulkhead seal, it is indoor that the entrance point of described power jet is positioned at described motive fluid, it is indoor that the ejection end of described power jet is positioned at described driving fluid, wherein, described motive fluid indoor are provided with the driving means driving described power jet to slide, and are provided with and described power jet and the diffuser of driving means coaxial line.In the above-described embodiment, power jet is driven to slide axially by being arranged on the indoor driving means of motive fluid, achieve ejector and get final product the axial location of motivation of adjustment nozzle online, compared with prior art, the adjustment of power jet axial location can be realized without dismantling power jet, improve the suitability of ejector.
Description
Technical field
This utility model belongs to the technical field of chemical plant installations, is specifically related to a kind of ejector.
Background technology
Ejector is a kind of to utilize dynamafluidal high-speed jet effect that driving fluid carries out the non-of evacuation or boosting
Marking device, belongs to static equipment, have simple in construction, invest little, Operation and Maintenance is simple, the feature such as reliable；Owing to it can carry
The pressure of high driving fluid and the most directly consume mechanical energy, be widely applied in commercial plant.
The key parameter affecting ejector runnability is the power jet axial location relative to diffuser, a kind of
The corresponding optimal nozzle axial location of process design parameter.But current design courses can't accurately determine dynamic
The axial location of power nozzle, therefore typically can rule of thumb choose a certain axial location parameter during design, take 10～20% simultaneously
Design margin ensure equipment runnability in the future, this can cause the increase of operating cost undoubtedly.It addition, for fixing spray
For the ejector of mouth position, when operational factor changes, the optimal axial location of power jet also can change, this
Also result in the runnability off-design optimum state of ejector, thus cause the increase of operating cost.The most common do
Method be power jet is made dismountable, when runnability off-design point is more or operational factor changes, the most more
Change a stage nozzle, this way not only troublesome poeration, also can cause extra loss owing to device stops.
Utility model content
This utility model provides a kind of ejector, in order to realize the online tune of the power jet axial location of ejector
Joint, improves the using effect of ejector.
This utility model provides a kind of ejector, and this ejector includes motive fluid room and driving fluid room, and institute
State and be provided with dividing plate between motive fluid room and described driving fluid room；Also include being slidedly assemblied on described dividing plate and with described
The power jet that bulkhead seal connects, it is indoor that the entrance point of described power jet is positioned at described motive fluid, described power jet
Ejection end to be positioned at described driving fluid indoor, wherein, described motive fluid indoor are provided with the described power jet of driving and slide
Driving means, and be provided with and described power jet and the diffuser of driving means coaxial line.
In the above-described embodiment, the driving means driving power jet by being arranged on motive fluid indoor is slided vertically
Dynamic, it is achieved that ejector gets final product motivation of adjustment nozzle axial location online, compared with prior art, it is not necessary to dismounting power jet is i.e.
The adjustment of power jet axial location can be realized, improve the suitability of ejector.
Preferably, described driving means include being slidedly assemblied in described motive fluid room end cap and with described motive fluid room
The adjusting screw rod that end cap seal connects, described adjusting screw rod is fixing with described power jet to be connected.It is right to be realized by adjusting screw rod
Power jet axially adjustable.
Preferably, described adjusting screw rod is arranged with described power jet coaxial line.So that power jet is being adjusted
Shi Shouli ratio is more uniform, improves Adjustment effect.
Preferably, described driving means also includes being exposed at the outdoor end of described motive fluid even with described adjusting screw rod
The handle connect or linear drive apparatus.When specifically driving, different type of drive can be used to drive adjusting screw rod.
Preferably, described linear drive apparatus is for driving cylinder, driving hydraulic cylinder or linear electric motors.Can select different
Straight line driving mechanism realizes axially adjustable to adjusting screw rod.
Preferably, the end of described adjusting screw rod is provided with adjustment seat, and described adjustment seat is fixing with described power jet even
Connect, and be provided with gap between described adjustment seat and described power jet.Adjusting screw rod and power jet is realized by adjustment seat
Between connection.
Preferably, also include the first gland being sleeved on described adjustment bolt and being connected with described adjustment bolt seal,
Described first gland is connected with the end cap seal of described motive fluid room.
Preferably, described dividing plate being provided with through hole, described power jet extend into described flow type pump with injection through described through hole
Body room；Also include the second gland being sleeved on described power jet and being tightly connected with described power jet, described second pressure
Cover the sidewall with described through hole to be tightly connected.
Accompanying drawing explanation
The sectional view of the ejector that Fig. 1 provides for this utility model embodiment.
Reference:
1-adjusting screw rod 2-the first gland 3-motive fluid room
4-adjusts seat 5-power jet 6-the second gland 7-dividing plate
8-driving fluid room 9-diffuser
Detailed description of the invention
Below in conjunction with accompanying drawing, specific embodiment of the utility model is described in detail.It should be appreciated that this place
The detailed description of the invention described is merely to illustrate and explains this utility model, is not limited to this utility model.
As it is shown in figure 1, Fig. 1 shows the sectional view of the ejector that this utility model embodiment provides.
This utility model embodiment provides a kind of ejector, and this ejector includes motive fluid room 3 and driving fluid
Dividing plate 7 it is provided with between room 8, and motive fluid room 3 and driving fluid room 8；Also include being slidedly assemblied on dividing plate 7 and and dividing plate
The power jet 5 that 7 are tightly connected, the entrance point of power jet 5 is positioned at motive fluid room 3, and the ejection end of power jet 5 is positioned at
In driving fluid room 8, wherein, be provided with in motive fluid room 3 drive power jet 5 slide driving means, and be provided with
Described power jet 5 and the diffuser 9 of driving means coaxial line.
In the above-described embodiments, the driving means driving power jet by being arranged on motive fluid indoor is slided vertically
Dynamic, it is achieved that ejector gets final product the axial location of motivation of adjustment nozzle 5 online, compared with prior art, it is not necessary to dismounting power spray
Mouth 5 can realize the adjustment of power jet 5, improves the suitability of ejector.
Understand the ejector that the present embodiment provides for convenience, below in conjunction with the accompanying drawings and it is carried out by specific embodiment
Detailed description.
With continued reference to Fig. 1, the ejector that the present embodiment provides comprises motive fluid room 3 and driving fluid room 8, and will be dynamic
The power jet 5 that power fluid chamber 3 connects with driving fluid room 8.Wherein, the shell of motive fluid room 3 and driving fluid room 8 connects
Be fixed together, and separated by dividing plate 7 between two chambers, power jet 5 through this dividing plate 7 by two chamber, this
Outward, power jet 5 is slidably connected with this dividing plate 7, and seals between the two.When specifically arranging, dividing plate 7 is provided with through hole,
Power jet 5 extend into driving fluid room 8 through through hole；Also include being sleeved on power jet 5 and seal even with power jet 5
The second gland 6 connect, the second gland 6 is tightly connected with the sidewall of through hole.When specifically arranging, as it is shown in figure 1, fill in through hole
Airtight and watertight padding, afterwards, is compressed airtight and watertight padding by second gland 6, it is achieved the sealing between power jet 5 and dividing plate 7.Should
Airtight and watertight padding can be according to the different filler of the different operating environmental selection of ejector, such as: politef, soft graphite etc. are no
Same filler.
Additionally, be additionally provided with the diffuser 9 with described power jet 5 and driving means coaxial line.
In the present embodiment, axially adjustable in order to realize power jet 5, it is provided with driving means, this driving means
It is arranged in motive fluid room 3, it is possible to realize axially adjustable to power jet 5, when deviation occurs in power jet 5, logical
Over-driving device drives power jet 5 to move in the axial direction, completes the adjustment to power jet 5, it is achieved that at first motivation of adjustment
The position of nozzle 5, improves the suitability of ejector.
When specifically arranging, this driving means can select different structures to realize the axial shifting of propulsion power nozzle 5
Dynamic.In a specific embodiment, as it is shown in figure 1, this driving means include being slidedly assemblied in motive fluid room 3 end cap and with
The adjusting screw rod 1 that motive fluid room 3 end cap seal connects, adjusting screw rod 1 is fixing with power jet 5 to be connected.By adjusting screw rod 1
Realize axially adjustable to power jet 5.The axially adjustable of propulsion power nozzle 5 is achieved by the slip of adjusting screw rod 1.?
When adjusting screw rod 1 is specifically arranged, as it is shown in figure 1, adjusting screw rod 1 is arranged with power jet 5 coaxial line.Arrange using coaxial line
Time, power jet 5 stress ratio when being adjusted is more uniform, improves Adjustment effect.When specifically connecting, the end of adjusting screw rod 1
Portion is provided with adjustment seat, and adjustment seat is fixing with power jet 5 to be connected, and is provided with gap between adjustment seat and power jet 5.Logical
Overregulate seat 4 and realize the connection between adjusting screw rod 1 and power jet 5.Between adjusting screw rod 1 with adjustment seat 4, spiral is connected, and adjusts
Joint seat 4 is connected by screw rod between power jet 5.
When adjusting screw rod 1 is connected with motive fluid room 3, concrete, adjusting screw rod 1 is sliding with the end cap of motive fluid room 3
Be dynamically connected, and seal between the two, when concrete sealing, this ejector also include being sleeved on adjustment bolt and with adjust spiral shell
The first gland 2 that bolt is tightly connected, the first gland 2 is connected with the end cap seal of motive fluid room 3.It is provided with sealing in this through hole
Filler, is compressed airtight and watertight padding by the first gland 2, it is achieved the sealing between adjusting screw rod 1 and motive fluid room 3 end cap is even
Connect.
In a specific embodiment, driving means also includes being exposed at the end outside motive fluid room 3 with adjusting screw rod 1
The handle connected or linear drive apparatus.When specifically driving, different type of drive can be used to drive adjusting screw rod 1.I.e.
Can realize manually adjusting the axial location of power jet 5 by handle, or use linear drive apparatus to realize regulation spiral shell
Bar 1 axially driving.
This linear drive apparatus can use different driving means, concrete, and linear drive apparatus is for driving cylinder, driving
Hydrodynamic cylinder pressure or linear electric motors.Such that it is able to that selects that different straight line driving mechanism realizes adjusting screw rod 1 is axially adjustable.Also
Can be the common linear drive apparatus such as screw assembly, rack drive assembly, above-mentioned linear drive apparatus be relatively common
Driving means, in this not go into detail.
Obviously, those skilled in the art can carry out various change and modification without deviating from this practicality to this utility model
Novel spirit and scope.So, if of the present utility model these amendment and modification belong to this utility model claim and
Within the scope of its equivalent technologies, then this utility model is also intended to comprise these change and modification.
Claims (8)
1. an ejector, it is characterised in that include motive fluid room and driving fluid room, and described motive fluid room is with described
Driving fluid is provided with dividing plate between room；Also include the power being slidedly assemblied on described dividing plate and being connected with described bulkhead seal
Nozzle, it is indoor that the entrance point of described power jet is positioned at described motive fluid, the ejection end of described power jet be positioned at described in draw
Jet body is indoor, and wherein, described motive fluid indoor are provided with the driving means driving described power jet to slide, and are provided with
With described power jet and the diffuser of driving means coaxial line.
2. ejector as claimed in claim 1, it is characterised in that described driving means includes being slidedly assemblied in described kinetic current
Body room end cap and the adjusting screw rod being connected with described motive fluid room end cap seal, described adjusting screw rod passes through adjustment seat with described
Power jet is fixing to be connected.
3. ejector as claimed in claim 2, it is characterised in that described adjusting screw rod sets with described power jet coaxial line
Put.
4. ejector as claimed in claim 2, it is characterised in that described driving means also includes exposing with described adjusting screw rod
The handle connected in the end that described motive fluid is outdoor or linear drive apparatus.
5. ejector as claimed in claim 4, it is characterised in that described linear drive apparatus is for driving cylinder, driving hydraulic pressure
Cylinder or linear electric motors.
6. ejector as claimed in claim 2, it is characterised in that the end of described adjusting screw rod is provided with adjustment seat, described
Adjustment seat is fixing with described power jet to be connected, and is provided with gap between described adjustment seat and described power jet.
7. ejector as claimed in claim 2, it is characterised in that also include being sleeved on described adjusting screw rod and with described tune
The first gland that joint segment hub seal connects, described first gland is connected with the end cap seal of described motive fluid room.
8. the ejector as described in any one of claim 1～7, it is characterised in that be provided with through hole on described dividing plate, described dynamic
Power nozzle extend into described driving fluid room through described through hole；Also include being sleeved on described power jet and with described power
The second gland that sealed nozzle connects, described second gland is tightly connected with the sidewall of described through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620271485.2U CN205841337U (en) | 2016-04-01 | 2016-04-01 | A kind of ejector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620271485.2U CN205841337U (en) | 2016-04-01 | 2016-04-01 | A kind of ejector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205841337U true CN205841337U (en) | 2016-12-28 |
Family
ID=57627190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620271485.2U Active CN205841337U (en) | 2016-04-01 | 2016-04-01 | A kind of ejector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205841337U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107255087A (en) * | 2017-06-28 | 2017-10-17 | 西安交通大学 | A kind of moveable injector device of main jet |
| CN107420354A (en) * | 2017-07-04 | 2017-12-01 | 台州市路桥高远日用金属制品厂 | A kind of pump housing of jet pump |
-
2016
- 2016-04-01 CN CN201620271485.2U patent/CN205841337U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107255087A (en) * | 2017-06-28 | 2017-10-17 | 西安交通大学 | A kind of moveable injector device of main jet |
| CN107255087B (en) * | 2017-06-28 | 2018-12-07 | 西安交通大学 | A kind of moveable injector device of main jet |
| CN107420354A (en) * | 2017-07-04 | 2017-12-01 | 台州市路桥高远日用金属制品厂 | A kind of pump housing of jet pump |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |