CN108930674A - A kind of steam ejector - Google Patents
A kind of steam ejector Download PDFInfo
- Publication number
- CN108930674A CN108930674A CN201710372053.XA CN201710372053A CN108930674A CN 108930674 A CN108930674 A CN 108930674A CN 201710372053 A CN201710372053 A CN 201710372053A CN 108930674 A CN108930674 A CN 108930674A
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- China
- Prior art keywords
- nozzle
- vapor
- receiving chamber
- diffuser pipe
- air intake
- Prior art date
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- 239000007788 liquid Substances 0.000 claims abstract description 90
- 238000005086 pumping Methods 0.000 abstract description 4
- 239000000203 mixture Substances 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 238000009792 diffusion process Methods 0.000 description 9
- 239000007921 spray Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 210000000867 larynx Anatomy 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/14—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid
- F04F5/24—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing liquids, e.g. containing solids, or liquids and elastic fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
- F04F5/46—Arrangements of nozzles
Abstract
The invention discloses a kind of steam ejectors, belong to injector field.The steam ejector includes：Receiving chamber is provided with air intake, inlet, vapor and liquid export on receiving chamber, and the axis of air intake is overlapped with the axis of vapor and liquid export, and inlet is connected to transfer line；Nozzle；Mix diffuser pipe.Further, nozzle is detachably connected with air intake, and the output end of nozzle stretches to the inner cavity of receiving chamber by air intake；The input terminal of nozzle is connected to steam transmitting pipe line；The input terminal that mixing diffuser pipe is detachably connected with vapor and liquid export, and mixes diffuser pipe stretches to the inner cavity of receiving chamber by vapor and liquid export.By making the air intake axis of receiving chamber and the axis coincidence of vapor and liquid export, the output end of nozzle protrudes into the inner cavity of receiving chamber by air intake, the input terminal of mixing diffuser pipe protrudes into the inner cavity of receiving chamber by vapor and liquid export, so that the axis of the axis of nozzle and mixing diffuser pipe is overlapped, and then efficient pumping liquid, which can be 3~10 meter by lifting liquid.
Description
Technical field
The present invention relates to injector field, in particular to a kind of steam ejector.
Background technique
Steam ejector is one kind using high steam as power, the water at low water level can be pumped to setting at high water level
It is standby, have the characteristics that structure is simple, easy to maintain, energy saving.In the industries such as petroleum, chemical industry, it is often necessary to by liquid by low
It is pumped at high water level at water level, to complete production operation.Therefore it provides a kind of steam in the industries such as petroleum, chemical industry
Injector is very necessary.
The prior art provides a kind of steam ejector, and as shown in Fig. 1, which includes：Receiving chamber 1, spray
Mouth 2, mixing diffuser pipe 3.Wherein, air intake, inlet, vapor and liquid export, the axis and vapour-liquid of air intake are provided on receiving chamber 1
The axis of outlet is overlapped, and inlet and vapor and liquid export are connected to transfer line and mixing diffuser pipe 3 respectively.The output end of nozzle 2
Protrude into the air intake of receiving chamber 1, and with form annular housing between the vapor and liquid export of receiving chamber 1 and receiving chamber 1, so as to
Entered in mixing diffuser pipe 3 in liquid by annular housing.The specific installation process of the steam ejector is：The nozzle of steam transmitting pipe line
It is provided with flange, the air intake of receiving chamber 1 is provided with flange.The mode being connected through a screw thread or the mode directly placed, make
2 input terminal of nozzle is mounted in the flange hole of steam transmitting pipe spool mouth, and by two flanged joints, so that nozzle 2 protrudes into receiving chamber 1
Inner cavity.It is welded in auxiliary pipe fitting by the way that diffuser pipe 3 will be mixed, and welds the vapor and liquid export of auxiliary pipe fitting and receiving chamber 1
Connection.In use, by steam transmitting pipe line from air intake the conveying high-pressure steam into receiving chamber 1, by transfer line by feed liquor
Mouth conveys liquid to be drained into receiving chamber 1.High steam sprays at a high speed by nozzle 2 to receiving chamber 1 and mixing diffuser pipe 3
Afterwards, make to form negative pressure in receiving chamber 1 and mixing diffuser pipe 3.Liquid is sucked up to receiving chamber 1 under the action of negative pressure, and is mixing
Downstream line or equipment are delivered to suitable flow velocity and pressure after mixing diffusion with high steam in diffuser pipe 3.
The inventor finds that the existing technology has at least the following problems：
In the steam ejector that the prior art provides, since the auxiliary pipe fitting and receiving chamber of mixing diffuser pipe will be welded with
When welding, be not easy to make the axis for mixing diffuser pipe to be overlapped with the axis of the vapor and liquid export of receiving chamber, thus the axis of nozzle with mix
The axis for closing diffuser pipe is not easy to be overlapped, this makes the low efficiency of pumping liquid, and high steam consumption is big.Also, due to mixing diffusion
Pipe is welded to connect by auxiliary pipe fitting and receiving chamber, in nozzle and receiving chamber or flange transition fit, mix diffuser pipe or
After the damage of person's nozzle, it is not easy to replace, this needs replacing a whole set of steam ejector, increases production cost.
Summary of the invention
A kind of it is easy to make the axis of nozzle to expand with mixing the technical problem to be solved by the embodiment of the invention is that providing
The axis of pressure pipe is overlapped, pumping liquid it is high-efficient, high steam consumption is few, and readily replaceable nozzle and mixing diffuser pipe
Steam ejector.Specific technical solution is as follows：
The embodiment of the invention provides a kind of steam ejectors, including：Receiving chamber is provided with into vapour on the receiving chamber
Mouth, inlet, vapor and liquid export, the axis of the air intake are overlapped with the axis of the vapor and liquid export, the inlet and infusion
Pipeline connection；Nozzle；Mix diffuser pipe.
The nozzle is detachably connected with the air intake, and the output end of the nozzle is protruded by the air intake
To the inner cavity of the receiving chamber；The input terminal of the nozzle is connected to steam transmitting pipe line；The mixing diffuser pipe goes out with the vapour-liquid
Mouth is detachably connected, and the input terminal of the mixing diffuser pipe stretches to the interior of the receiving chamber by the vapor and liquid export
Chamber.
Specifically, preferably, the nozzle is threadedly coupled with the air intake；The mixing diffuser pipe and the vapour-liquid
Outlet is threadedly coupled.
Specifically, preferably, the nozzle and the air intake are clamped；The mixing diffuser pipe and the vapor and liquid export
Clamping.
Specifically, preferably, the nozzle includes the path column body segment, major diameter column body segment, central diameter cylinder being sequentially connected to
Section；The major diameter column body segment is set in the air intake with being detachably connected；The central diameter column body segment and the steam transmitting pipe line
Connection；The inner cavity of the nozzle includes the path cylinder chamber, cone-shaped cavity, major diameter cylinder chamber being sequentially connected to, the major diameter cylinder
Chamber is arranged in the central diameter column body segment.
Specifically, preferably, being provided with the first limited step on the input terminal outer wall of the major diameter column body segment, for
The end of the air intake offsets.
Specifically, preferably, the mixing diffuser pipe includes the mixing section, trunnion, diffuser being sequentially connected to；The larynx
Pipe is set in the vapor and liquid export with being detachably connected.
Specifically, it preferably, being provided with the second limited step on the output end outer wall of the trunnion, is used for and the vapour
The end of liquid outlet offsets.
Specifically, preferably, the steam ejector further includes：Diffuser pipe；The diffuser pipe include be connected it is small
Diameter cavity section, major diameter cavity section；The path cavity section is sleeved on the diffuser；The major diameter cavity section is detachably connected
Ground is sleeved in the vapor and liquid export.
Specifically, preferably, the major diameter cavity section is threadedly coupled with the vapor and liquid export.
Specifically, preferably, the vapor and liquid export is provided with third limited step on the outer wall, for it is described big
The end of diameter cavity section offsets.
Technical solution bring beneficial effect provided in an embodiment of the present invention is：
Steam ejector provided in an embodiment of the present invention, by making the air intake axis of receiving chamber and the axis of vapor and liquid export
It is overlapped, and the output end of nozzle is made to stretch to the inner cavity of receiving chamber by air intake, the input terminal for mixing diffuser pipe passes through vapour-liquid
Outlet stretches to the inner cavity of receiving chamber, so that the axis of the axis of nozzle and mixing diffuser pipe is overlapped, and then makes nozzle by high pressure
Steam is sprayed to mixing diffuser pipe, so as to form negative pressure in mixing diffuser pipe, and then efficient pumping liquid, reduces high steam
Consumption, and the steam ejector can be 3~10 meters by lifting liquid.By by nozzle and the air intake of receiving chamber, mix expansion
Pressure pipe and the vapor and liquid export of receiving chamber are set as being detachably connected, convenient for dividing after nozzle, receiving chamber, mixing diffuser pipe damage
Corresponding component is not replaced, to reduce production cost.Steam ejector provided in an embodiment of the present invention also has structure simple, holds
The features such as being easily arranged.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the structural schematic diagram for the steam ejector that the prior art provides；
Fig. 2 is the structural schematic diagram of steam ejector provided in an embodiment of the present invention；
Fig. 3 is the exploded view of steam ejector of the embodiment of the present invention.
Wherein, appended drawing reference respectively indicates：
1 receiving chamber,
101 third limited steps,
2 nozzles,
201 path column body segments,
202 major diameter column body segments,
2021 first limited steps,
203 central diameter column body segments,
204 path cylinder chambers,
205 cone-shaped cavities,
206 major diameter cylinder chambers,
3 mixing diffuser pipes,
301 mixing sections,
302 trunnions,
3021 second limited steps,
303 diffusers,
4 diffuser pipes,
401 path cavity sections,
402 major diameter cavity sections,
5 transfer lines,
6 steam transmitting pipe lines,
7 downstream lines.
Specific embodiment
Unless otherwise defined, all technical terms used in the embodiment of the present invention all have usual with those skilled in the art
The identical meaning understood.To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to this hair
Bright embodiment is described in further detail.
The embodiment of the invention provides a kind of steam ejectors, as shown in attached drawing 2 and attached drawing 3, the steam ejector, and packet
It includes：Receiving chamber 1, nozzle 2, mixing diffuser pipe 3.Wherein, it is provided with air intake, inlet, vapor and liquid export on receiving chamber 1, into vapour
The axis of mouth is overlapped with the axis of vapor and liquid export, and inlet is connected to transfer line 5.Nozzle 2 is detachably connected with air intake, and
And the output end of nozzle 2 stretches to the inner cavity of receiving chamber 1 by air intake, the input terminal of nozzle 2 is connected to steam transmitting pipe line 6.It is mixed
It closes diffuser pipe 3 to be detachably connected with vapor and liquid export, and the input terminal for mixing diffuser pipe 3 stretches to receiving chamber by vapor and liquid export
1 inner cavity.
The working principle with regard to steam ejector provided in an embodiment of the present invention, which is given, below describes：
In use, the output end of nozzle 2 to be stretched to the inner cavity of receiving chamber 1 by air intake, and removable with air intake
Unload connection.The input terminal for mixing diffuser pipe 3 is stretched to the inner cavity of receiving chamber 1 by vapor and liquid export, and removable with vapor and liquid export
Unload connection.Since the axis of air intake is overlapped with the axis of vapor and liquid export, so nozzle 2 is overlapped with the axis of mixing diffuser pipe 3.
Steam transmitting pipe line 6 is connected to the input terminal of nozzle 2, transfer line 5 (transfer line 5 is connected to the water at low water level) and receiving chamber
1 inlet connection, the output end of mixing diffuser pipe 3 are connected to downstream line 7.High steam is controlled to enter through steam transmitting pipe line 6
In nozzle 2, since the axis of nozzle 2 is overlapped with the axis of mixing diffuser pipe 3, therefore high steam can spray at a high speed receiving chamber 1
In inner cavity and mixing diffuser pipe 3, so in receiving chamber 1, being respectively formed negative pressure in mixing diffuser pipe 3, and then it is convenient for low water level
The liquid at place is pumped in receiving chamber 1 and mixing diffuser pipe 3 by transfer line 5.Liquid and high steam are through mixing diffusion
After pipe 3 mixes diffusion, downstream line 7 is inputted, and then the liquid at low water level is transferred to high water level destination.
It should be noted that control valve is provided on steam transmitting pipe line 6, in order to control the flow and pressure of high steam
Power.Downstream line 7 is the pipeline that flows through after fluid-mixing is exported by mixing diffuser pipe 3.The output end of nozzle 2 with mix diffusion
There are gaps between the input terminal of pipe 3, and the gap is opposite with the nozzle of transfer line 5, in order to be exported by transfer line 5
Liquid mixed with high steam and input mixing diffuser pipe 3 in." input terminal " i.e. fluid first flows through, one end of input, " output
End " is flows through after fluid, one end of output.
Steam ejector provided in an embodiment of the present invention, by making the air intake axis of receiving chamber 1 and the axis of vapor and liquid export
Line is overlapped, and the output end of nozzle 2 is made to stretch to the inner cavity of receiving chamber 1 by air intake, and the input terminal for mixing diffuser pipe 3 passes through
Vapor and liquid export stretches to the inner cavity of receiving chamber 1, so that the axis of the axis of nozzle 2 and mixing diffuser pipe 3 is overlapped, and then makes nozzle
2, by high steam high speed injection to mixing diffuser pipe 3, form negative pressure so as to mix, and then efficient aspirated liquid in diffuser pipe 3
Body reduces high steam consumption, and the steam ejector can be 3~10 meters by lifting liquid.By by nozzle 2 and receiving chamber
The vapor and liquid export of 1 air intake, mixing diffuser pipe 3 and receiving chamber 1 is set as being detachably connected, be convenient for nozzle 2, receiving chamber 1,
After mixing the damage of diffuser pipe 3, corresponding component is replaced, respectively to reduce production cost.Steam provided in an embodiment of the present invention draws
The features such as emitter also has structure simple, is easy installation.
Specifically, the air intake of receiving chamber 1, inlet, vapor and liquid export are three nozzles being arranged on receiving chamber 1, with
Convenient for being connected to respectively with nozzle 2, transfer line 5, mixing diffuser pipe 3.
In embodiments of the present invention, the mode and mix diffusion that nozzle 2 and the air intake of receiving chamber 1 are detachably connected
There are many modes that the vapor and liquid export of pipe 3 and receiving chamber 1 is detachably connected, and under the premise of based on setting is easy, provides following
Two kinds of embodiments：
As the first embodiment：Nozzle 2 is threadedly coupled with air intake；It mixes diffuser pipe 3 and vapor and liquid export screw thread connects
It connects.
The mode of threaded connection is easy setting, convenient for nozzle 2 and receiving chamber 1, mixes between diffuser pipe 3 and receiving chamber 1
Dismounting.
Specifically, internal screw thread, nozzle 2, mixing are provided on the inner wall where the air intake of receiving chamber 1, vapor and liquid export
It is provided with the external screw thread matched with the internal screw thread in air intake, vapor and liquid export on the outer wall of diffuser pipe 3, in order to nozzle 2, mixes
Close the threaded connection of diffuser pipe 3 and receiving chamber 1.
After nozzle 2, mixing diffuser pipe 3 are connect with receiving chamber 1, in order to guarantee the axis of nozzle 2 with mix diffuser pipe 3
Axis is efficiently overlapped, and can be made nozzle 2, receiving chamber 1, be mixed the thread fine thread tooth being arranged on diffuser pipe 3, correspondingly, spiral shell
Spacing between line tooth is smaller.Wherein, the maximum gauge of thread is 1~1.5cm, the maximum spacing between thread is 1~
1.5cm, such as can be 1cm, 1.15cm, 1.25cm, 1.35cm, 1.45cm, 1.5cm etc..
As second of embodiment：Nozzle 2 and air intake are clamped；It mixes diffuser pipe 3 and vapor and liquid export is clamped.Clamping
Mode be easy to implement nozzle 2 with receiving chamber 1, mix the dismounting of diffuser pipe 3 Yu receiving chamber 1.
The specific implementation of clamping can be：Multiple cards are provided on the air intake of receiving chamber 1, the inner wall of vapor and liquid export
Protrusion compatible with card slot is provided on the outer wall of slot, nozzle 2 and mixing diffuser pipe 3.Preferably, card slot and protrusion are in
Arcuate structure, by being caught in protrusion in card slot, to realize nozzle 2 and the clamping of receiving chamber 1, mix diffuser pipe 3 and receiving chamber 1
Clamping.
In above two embodiment, than second embodiment of the first embodiment is more easy to assemble, therefore it is preferred that
A kind of embodiment.
The structure of nozzle 2 can there are many, based on structure it is simple, before being connected to receiving chamber 1 and steam transmitting pipe line 6
It puts, the nozzle 2 preferably having following structure：
As shown in Fig. 3, nozzle 2 includes path column body segment 201, major diameter column body segment 202, the central diameter column body segment being sequentially connected to
203；Major diameter column body segment 202 is set in air intake with being detachably connected；Central diameter column body segment 203 is connected to steam transmitting pipe line 6；Nozzle
2 inner cavity includes the path cylinder chamber 204, cone-shaped cavity 205, major diameter cylinder chamber 206 being sequentially connected to, and major diameter cylinder chamber 206 is set
It sets in central diameter column body segment 203.
Path column body segment 201, central diameter column body segment 203, major diameter column body segment 202 outer diameter sequentially increase.Path cylinder chamber
204, cone-shaped cavity 205, major diameter cylinder chamber 206 internal diameter sequentially increase.Wherein.The internal diameter of cone-shaped cavity 205 by with path column
The end that body cavity 204 connects to the end connecting with major diameter cylinder chamber 206 is gradually increased.
The inner cavity of nozzle 2 is arranged to the path cylinder chamber 204 being sequentially connected to, cone-shaped cavity 205, major diameter cylinder chamber 206,
It is sprayed convenient for high steam stabilization, at high speed by path cylinder chamber 204, and then makes in receiving chamber 1 and mix in diffuser pipe 3 to be formed
Negative pressure.Major diameter column body segment 202 and central diameter column body segment 203 are set, connect respectively with receiving chamber 1 and steam transmitting pipe line 6 convenient for nozzle 2.
Be arranged path column body segment 201, in order to which nozzle 2 protrudes into receiving chamber 1, and shorten nozzle 2 with mix between diffuser pipe 3 away from
From, so convenient for high steam spray to mixing diffuser pipe 3 in so that mixing diffuser pipe 3 in formed negative pressure, and then make liquid into
Enter to mix in diffuser pipe 3.
Wherein, the mode of major diameter column body segment 202 is connected through a screw thread mode or clamping be set in receiving chamber 1 into
In steam ports.
For the ease of controlling the length for the nozzle 2 being set in the air intake of receiving chamber 1, as shown in Fig. 3, major diameter cylinder
It is provided with the first limited step 2021 on the input terminal outer wall of section 202, is offseted for the end with air intake.
It, can also be with it should be noted that the input terminal of major diameter column body segment 202 is the one end connecting with central diameter column body segment 203
It is interpreted as, high steam inputs one end of major diameter column body segment 202.
The mode that can be connected through a screw thread between the central diameter column body segment 203 and steam transmitting pipe line 6 of nozzle 2 connects, can also be with
It connects by welding.
There are many structures for mixing diffuser pipe 3, but need to meet the dual function that mixing diffuser pipe 3 has mixing and diffusion.
Preferably, as shown in Fig. 3, mixing diffuser pipe 3 includes mixing section 301, trunnion 302, the diffuser 303 being sequentially connected to；Larynx
Pipe 302 is set in vapor and liquid export with being detachably connected.
It is set as above structure by the way that diffuser pipe 3 will be mixed, mixes, mixes in mixing section 301 convenient for liquid and high steam
Liquid is closed when flowing through trunnion 302, flow velocity increases, and pressure reduces, and in order to flow into diffuser 303 at a high speed, is flowing through diffuser
When 303, flow velocity reduces, and pressure increases, and then flow to downstream line 7 with suitable flow velocity and pressure.
Mixing section 301 and trunnion 302 is set to be set in receiving chamber 1, the high steam that sprays convenient for nozzle 2, in receiving chamber 1
Liquid rapidly enters mixing diffuser pipe 3, and also ensures the axis of mixing diffuser pipe 3 and the axis of 1 vapor and liquid export of receiving chamber
It is overlapped, and then is overlapped the axis for mixing diffuser pipe 3 with the axis of nozzle 2.It is located at diffuser 303 outside receiving chamber 1, is convenient for
It connect and is connected with downstream line 7.
The mode of mode or clamping that trunnion 302 is connected through a screw thread and the inner wall of vapor and liquid export connect.
The length in receiving chamber 1, as shown in Fig. 3, the output of trunnion 302 are protruded into for the ease of control mixing diffuser pipe 3
It is provided with the second limited step 3021 on the outer wall of end, is offseted for the end with vapor and liquid export.
Further, in order to the further diffusion of fluid-mixing, in order to fluid-mixing steadily in downstream line 7 it is defeated
It send, as shown in attached drawing 2 and attached drawing 3, steam ejector provided in an embodiment of the present invention further includes：Diffuser pipe 4；Diffuser pipe 4 includes
Path cavity section 401, the major diameter cavity section 402 being connected；Path cavity section 401 is sleeved on diffuser 303；Major diameter cavity section
402 are removably sleeved in vapor and liquid export.
Wherein, the internal diameter of path cavity section 401 is smaller than the internal diameter of major diameter cavity section 402.The knot of diffuser pipe 4 is arranged such
Structure is sleeved in the vapor and liquid export of diffuser 303 and receiving chamber 1 convenient for diffuser pipe 4, can not only play diffusion action, moreover it is possible to
Enough play the role of protection mixing diffuser pipe 3.The vapor and liquid export of diffuser pipe 4 and receiving chamber 1 is set as being detachably connected, is convenient for
The dismounting of diffuser pipe 4 and receiving chamber 1, in order to replace mixing diffuser pipe 3.
Since the internal diameter of diffuser pipe 4 is bigger than the internal diameter of diffuser 303, when fluid-mixing flows through diffuser pipe 4, flow velocity is further
Slow down, therefore mixed-fluid pressure increases.
It specifically, can be to be threadedly coupled between major diameter cavity section 402 and vapor and liquid export, or clamping.
Preferably, major diameter cavity section 402 is threadedly coupled with vapor and liquid export, the mode of threaded connection is easy setting, is convenient for
The dismounting of major diameter cavity section 402 and vapor and liquid export.
When major diameter cavity section 402 is to be threadedly coupled with vapor and liquid export, interior spiral shell is provided on the inner wall of major diameter cavity section 402
Line is provided with the external screw thread matched with the internal screw thread of major diameter cavity section 402 on the outer wall of vapor and liquid export.
It in addition to this, can also be clamping between major diameter cavity section 402 and vapor and liquid export.Specifically, major diameter cavity section 402
Inner wall on be provided with arc-shaped slot, it is convex that arc compatible with arc-shaped slot is provided on the outer wall of 1 vapor and liquid export of receiving chamber
It rises.By the way that arc convex to be caught in arc-shaped slot, the connection of diffuser pipe 4 and receiving chamber 1 is realized.
Major diameter cavity section 402 is provided with expanding stepped hole on the close inner wall with 402 junction of path cavity section, as
Internal diameter is greater than the circular hole of 402 internal diameter of major diameter cavity section.It is that the second limited step 3021 provides space that the expanding stepped hole, which is arranged,.
For the ease of being limited to the diffuser pipe 4 in the vapour-liquid import for being sleeved on receiving chamber 1, as shown in Fig. 3, vapour-liquid
Outlet is provided with third limited step 101 on the outer wall, for offseting with the end of major diameter cavity section 402.
The output end of diffuser pipe 4 is connected to downstream line 7.It can be welded connecting between diffuser pipe 4 and downstream line 7,
Or it is threadedly coupled.According to specific job requirements, different connection types can choose.
The foregoing is merely presently preferred embodiments of the present invention, the protection scope being not intended to limit the invention, all in this hair
Within bright spirit and principle, any modification, equivalent replacement, improvement and so on should be included in protection scope of the present invention
Within.
Claims (10)
1. a kind of steam ejector, including：Receiving chamber (1) is provided with air intake, inlet, vapour-liquid on the receiving chamber (1) and goes out
Mouthful, the axis of the air intake is overlapped with the axis of the vapor and liquid export, and the inlet is connected to transfer line (5)；
Nozzle (2)；
It mixes diffuser pipe (3)；
It is characterized in that, the nozzle (2) is detachably connected with the air intake, and the output end of the nozzle (2) passes through
The air intake stretches to the inner cavity of the receiving chamber (1)；The input terminal of the nozzle (2) is connected to steam transmitting pipe line (6)；
The mixing diffuser pipe (3) is detachably connected with the vapor and liquid export, and the input terminal of mixing diffuser pipe (3) is logical
Cross the inner cavity that the vapor and liquid export stretches to the receiving chamber (1).
2. steam ejector according to claim 1, which is characterized in that the nozzle (2) and the air intake screw thread connect
It connects；
The mixing diffuser pipe (3) is threadedly coupled with the vapor and liquid export.
3. steam ejector according to claim 1, which is characterized in that the nozzle (2) and the air intake are clamped；
The mixing diffuser pipe (3) and the vapor and liquid export are clamped.
4. steam ejector according to claim 1, which is characterized in that the nozzle (2) includes the path being sequentially connected to
Column body segment (201), major diameter column body segment (202), central diameter column body segment (203)；
The major diameter column body segment (202) is set in the air intake with being detachably connected；
The central diameter column body segment (203) is connected to the steam transmitting pipe line (6)；
The inner cavity of the nozzle (2) includes the path cylinder chamber (204), cone-shaped cavity (205), major diameter cylinder chamber being sequentially connected to
(206), major diameter cylinder chamber (206) setting is in the central diameter column body segment (203).
5. steam ejector according to claim 4, which is characterized in that the input terminal outer wall of the major diameter column body segment (202)
On be provided with the first limited step (2021), for offseting with the end of the air intake.
6. steam ejector according to claim 1, which is characterized in that the mixing diffuser pipe (3) includes sequentially being connected to
Mixing section (301), trunnion (302), diffuser (303)；
The trunnion (302) is set in the vapor and liquid export with being detachably connected.
7. steam ejector according to claim 6, which is characterized in that set on the output end outer wall of the trunnion (302)
The second limited step (3021) are equipped with, for offseting with the end of the vapor and liquid export.
8. steam ejector according to claim 6, which is characterized in that the steam ejector further includes：Diffuser pipe
(4)；
The diffuser pipe (4) includes the path cavity section (401) being connected, major diameter cavity section (402)；
The path cavity section (401) is sleeved on the diffuser (303)；
The major diameter cavity section (402) is sleeved in the vapor and liquid export with being detachably connected.
9. steam ejector according to claim 8, which is characterized in that the major diameter cavity section (402) and the vapour-liquid
Outlet is threadedly coupled.
10. steam ejector according to claim 8, which is characterized in that the vapor and liquid export is provided on the outer wall
Third limited step (101) offsets for the end with the major diameter cavity section (402).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710372053.XA CN108930674A (en) | 2017-05-24 | 2017-05-24 | A kind of steam ejector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710372053.XA CN108930674A (en) | 2017-05-24 | 2017-05-24 | A kind of steam ejector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108930674A true CN108930674A (en) | 2018-12-04 |
Family
ID=64450554
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710372053.XA Pending CN108930674A (en) | 2017-05-24 | 2017-05-24 | A kind of steam ejector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108930674A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191210960A (en) * | 1912-05-08 | 1913-05-08 | Stone J & Co Ltd | Improvements in Portable Apparatus for Lifting or Discharging Liquids. |
| JPH07279900A (en) * | 1994-04-12 | 1995-10-27 | Motoyama Seisakusho:Kk | Vacuum generator |
| US20050074303A1 (en) * | 2003-10-07 | 2005-04-07 | Trinity Industrial Corporation | Ejector, fine solid piece recovery apparatus and fluid conveyor |
| WO2009081467A1 (en) * | 2007-12-21 | 2009-07-02 | Koganei Corporation | Vacuum generator |
| JP2010007496A (en) * | 2008-06-24 | 2010-01-14 | Morinaga Milk Ind Co Ltd | Ejector |
| CN205654618U (en) * | 2016-01-08 | 2016-10-19 | 无锡市大业通用设备厂 | Steam -jet ejector water pump |
| CN206770298U (en) * | 2017-05-24 | 2017-12-19 | 闫韬 | A kind of steam ejector |
-
2017
- 2017-05-24 CN CN201710372053.XA patent/CN108930674A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191210960A (en) * | 1912-05-08 | 1913-05-08 | Stone J & Co Ltd | Improvements in Portable Apparatus for Lifting or Discharging Liquids. |
| JPH07279900A (en) * | 1994-04-12 | 1995-10-27 | Motoyama Seisakusho:Kk | Vacuum generator |
| US20050074303A1 (en) * | 2003-10-07 | 2005-04-07 | Trinity Industrial Corporation | Ejector, fine solid piece recovery apparatus and fluid conveyor |
| WO2009081467A1 (en) * | 2007-12-21 | 2009-07-02 | Koganei Corporation | Vacuum generator |
| JP2010007496A (en) * | 2008-06-24 | 2010-01-14 | Morinaga Milk Ind Co Ltd | Ejector |
| CN205654618U (en) * | 2016-01-08 | 2016-10-19 | 无锡市大业通用设备厂 | Steam -jet ejector water pump |
| CN206770298U (en) * | 2017-05-24 | 2017-12-19 | 闫韬 | A kind of steam ejector |
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