CN217327868U - Ejector double-nozzle assembly - Google Patents
Ejector double-nozzle assembly Download PDFInfo
- Publication number
- CN217327868U CN217327868U CN202220199634.4U CN202220199634U CN217327868U CN 217327868 U CN217327868 U CN 217327868U CN 202220199634 U CN202220199634 U CN 202220199634U CN 217327868 U CN217327868 U CN 217327868U
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- nozzle
- airflow channel
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- flow passage
- assembly
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 8
- 230000009977 dual effect Effects 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 10
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000008859 change Effects 0.000 abstract description 3
- 150000001875 compounds Chemical class 0.000 abstract 1
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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- Jet Pumps And Other Pumps (AREA)
Abstract
The utility model discloses an ejector double-nozzle component, which comprises a first nozzle and a second nozzle, wherein the end surfaces of the first nozzle and the second nozzle are both provided with an airflow channel in a penetrating way; a plurality of air inlets communicated with the airflow channel are formed in the side wall of the first nozzle in a penetrating manner at intervals; the second nozzle is detachably mounted in the airflow channel of the first nozzle. The utility model discloses a combination of two kinds of different grade type nozzles, this makes when the air current is penetrated in drawing of needs difference, need not to carry out the change of nozzle, only need advance the air switch can, promoted work efficiency, can realize using simultaneously of two kinds of nozzles, simultaneously the utility model discloses the nozzle of two kinds of different grade types adopts built-in compound mode, has guaranteed overall structure's compactedness, and the nozzle of two kinds of different grade types adopts the detachable connected mode simultaneously, is convenient for carry out the maintenance of subassembly.
Description
Technical Field
The utility model relates to an ejector technical field especially relates to an ejector dual spray nozzle assembly.
Background
The ejector uses a device that one high-speed high-energy flow (liquid flow, air flow or other material flow) ejects another low-speed low-energy flow, and the jet flow enters the mixing chamber through a convergent nozzle and is ejected around the mixing chamber. The energy is transferred to the injected flow by the injection flow through the mixing action of the boundary. The mixing area formed by mixing is gradually enlarged to fill the whole mixing chamber, and then a section of mixing process is carried out until the outlet of the mixing chamber, and the flow is almost uniform. A diffuser is often followed to reduce the flow rate and increase the static pressure. The induced airflow can be subsonic or supersonic. The injection nozzle can be arranged in the center of the pipeline or around the pipeline.
The existing supersonic jet function and the subsonic jet function of most of the nozzles used on the ejector at present cannot be realized, so that the nozzles need to be replaced when the ejector needs different jet airflows, the working efficiency is seriously affected, and certain defects exist.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an ejector double nozzle assembly realizes the combination of two kinds of different grade type nozzles.
In order to solve the technical problem, the utility model provides an ejector double-nozzle assembly, which comprises a first nozzle and a second nozzle, wherein the end surfaces of the first nozzle and the second nozzle are both provided with an airflow channel in a penetrating way; a plurality of air inlets communicated with the airflow channel are formed in the side wall of the first nozzle in a penetrating manner at intervals; the second nozzle is detachably mounted in the airflow channel of the first nozzle.
Further, the first nozzle central axis coincides with the second nozzle central axis.
Furthermore, the second nozzle is inserted into the airflow channel of the first nozzle, and a plurality of fixing bolts used for locking the first nozzle and the second nozzle are installed at the inlet end of the airflow channel of the second nozzle at intervals.
Furthermore, a first sealing groove is formed in the side wall of one end, close to the inlet of the airflow channel, of the second nozzle, a first O-shaped ring is installed in the first sealing groove, and the side wall of the airflow channel of the first nozzle is abutted to the first O-shaped ring.
Further, first nozzle lateral wall integrated into one piece is provided with mounting flange, a plurality of mounting holes have been seted up in the interval run-through on the mounting flange terminal surface.
Further, the outlet end of the airflow channel of the second nozzle is positioned outside the airflow channel of the first nozzle.
Furthermore, the first nozzle side wall is located a second sealing groove is formed in the positions of two sides of the air inlet, and a second O-shaped ring is installed in the second sealing groove.
Compared with the prior art, the utility model discloses following beneficial effect has at least:
(1) the utility model discloses a combination of two kinds of different grade type nozzles, this makes when the injection air current that needs the difference, need not to carry out the change of nozzle, only need advance the air switch can, promoted work efficiency, can realize using when two kinds of type nozzles simultaneously.
(2) The utility model discloses the nozzle of two kinds of different grade types adopts built-in integrated mode, has guaranteed overall structure's compactedness, and the nozzle of two kinds of different grade types adopts the detachable connected mode simultaneously, is convenient for carry out the maintenance of subassembly.
Drawings
FIG. 1 is a perspective view of the overall structure of an injector dual nozzle assembly in accordance with an embodiment of the present invention;
fig. 2 is a cross-sectional view of the overall structure of an ejector dual nozzle assembly according to an embodiment of the present invention.
Detailed Description
The injector dual nozzle assembly of the present invention will now be described in greater detail with reference to the schematic drawings, in which preferred embodiments of the invention are shown, it being understood that those skilled in the art may modify the invention herein described while still achieving the advantageous effects of the invention. Accordingly, the following description should be construed as broadly as possible to those skilled in the art and not as limiting the invention.
The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.
As shown in fig. 1 and 2, an embodiment of the present invention provides an injector dual-nozzle assembly, which includes a first nozzle 1 and a second nozzle 2, both end surfaces of which penetrate through and are provided with an airflow channel; a plurality of air inlets 11 communicated with the airflow channel are formed in the side wall of the first nozzle 1 in a penetrating manner at intervals; the second nozzle 1 is detachably mounted in the airflow channel of the first nozzle 1.
Specifically, as shown in fig. 2, the second nozzle 2 is located inside the first nozzle 1, the airflow channel of the second nozzle 2 is in a shape of a gradually-shrinking and straight pipe from left to right, or in a shape of a gradually-shrinking and then-expanding shape (the shape and the size are customized according to actual requirements), the left end is an inlet, and the right end is an outlet, and the nozzle can be used as a subsonic nozzle. The air flow channel of the first nozzle is in a shape of first shrinking and then expanding from left to right, can also be in a straight tube shape (the shape and the size are customized according to actual requirements), and can be used as an ultrasonic nozzle.
Integrally mounting the assembly on a corresponding counterpart, and when subsonic injection airflow is needed, axially feeding jet flow from the left end of the airflow channel of the second nozzle 2, and finally discharging the airflow from the right end of the airflow channel of the second nozzle 2 to form subsonic injection airflow;
when supersonic-speed jet airflow is required to be jetted, jet flow is guided in from the air inlet 11 to carry out radial air intake, enters the airflow channel of the first nozzle 1 through the air inlet 11, then passes through an annular gap formed between the airflow channel of the first nozzle 1 and the outer side wall of the second nozzle 2, and is finally discharged from the right end of the airflow channel of the first nozzle 1 to form supersonic-speed airflow;
when the jet flow is introduced from the left end of the airflow channel of the second nozzle 2 and the jet flow is introduced from the air inlet 11, the subsonic velocity jet flow and the supersonic velocity airflow can be formed simultaneously.
While the preferred embodiments of the dual nozzle assembly of the injector are described below for clarity of illustration, it should be understood that the present invention is not limited to the following embodiments, and other modifications made by conventional techniques of one of ordinary skill in the art are within the scope of the present invention.
In one embodiment, the first nozzle 1 central axis coincides with the second nozzle 2 central axis.
In the implementation process, the first nozzle 1 and the second nozzle 2 are coaxially mounted, so that an even annular gap can be formed between the airflow channel of the first nozzle 1 and the outer side wall of the second nozzle 2, and the formation effect of supersonic airflow is guaranteed.
In one embodiment, the second nozzle 2 is inserted into the airflow channel of the first nozzle 1, and a plurality of fixing bolts 3 for locking the first nozzle 1 and the second nozzle 2 are installed at the inlet end of the airflow channel of the second nozzle 2 at intervals.
In the above-mentioned realization process, second nozzle 2 is inserted and is established in first nozzle 1, has guaranteed second nozzle 2 and first nozzle 1 combination back overall structure's compactness, and second nozzle 2 and first nozzle 1 adopt fixing bolt 3 to carry out the connected mode of locking for it can dismantle to have between second nozzle 2 and the first nozzle 1, is convenient for carry out the maintenance of subassembly.
Preferably, in order to prevent the jet from overflowing from a gap between a sidewall of the second nozzle 2 near the inlet of the air flow path and the air flow path of the first nozzle 1 when the jet is introduced into the air inlet 11, a first sealing groove 21 is formed in a sidewall of the second nozzle 2 near the inlet of the air flow path, and the first O-ring 4 is installed in the first sealing groove 21. As shown in fig. 2, after the second nozzle 2 is completely inserted into the first nozzle 1, the first O-ring 4 is located at the left side of the air inlet 11, and at this time, the first O-ring 4 abuts against the side wall of the air flow passage of the first nozzle 1, so that the left side is sealed.
In one embodiment, the outlet end of the air flow channel of the second nozzle 2 is located outside the air flow channel of the first nozzle 1.
In the implementation process, the outlet end of the airflow channel of the second nozzle 2 is arranged to extend out of the first nozzle 1, so that the interference between airflows formed inside the first nozzle 1 when the first nozzle 2 and the second nozzle 1 are used simultaneously is avoided.
In one embodiment, a second sealing groove 12 is formed in the sidewall of the first nozzle 1 at both sides of the air inlet 11, and a second O-ring 6 is installed in the second sealing groove 12.
In the implementation process, the two sides of the air inlet 11 on the first nozzle 1 are sealed by the arrangement of the two second O-shaped rings 6, and the phenomenon that gas leakage is generated on the two sides of the air inlet 11 after the assembly is integrally installed on the corresponding matched part is avoided.
Optionally, in order to facilitate stable installation between the whole assembly and the mating member, the mounting flange 5 may be disposed on the sidewall of the first nozzle 1, the flange is located between the air inlet 11 and the second seal groove 12 close to the outlet of the air flow channel of the second nozzle 2, a plurality of mounting holes 51 are formed in the end face of the mounting flange 5 in a penetrating manner at intervals, and the mounting holes 51 are penetrated by screws to integrally fasten the assembly to the mating member.
To sum up, for prior art, the utility model discloses, following advantage has:
(1) the utility model discloses a combination of two kinds of different grade type nozzles, this makes when the injection air current that needs the difference, need not to carry out the change of nozzle, only need advance the air switch can, promoted work efficiency, can realize using when two kinds of type nozzles simultaneously.
(2) The utility model discloses the nozzle of two kinds of different grade types adopts built-in integrated mode, has guaranteed overall structure's compactedness, and the nozzle of two kinds of different grade types adopts the detachable connected mode simultaneously, is convenient for carry out the maintenance of subassembly.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (7)
1. The double-nozzle component of the ejector is characterized by comprising a first nozzle and a second nozzle, wherein the end surfaces of the first nozzle and the second nozzle are respectively provided with an airflow channel in a penetrating way;
a plurality of air inlets communicated with the airflow channel are formed in the side wall of the first nozzle in a penetrating manner at intervals;
the second nozzle is detachably mounted in the airflow channel of the first nozzle.
2. The injector dual nozzle assembly as claimed in claim 1 wherein said first nozzle central axis is coincident with said second nozzle central axis.
3. The injector dual nozzle assembly as claimed in claim 1 wherein said second nozzle is inserted into said first nozzle flow passage and a plurality of retaining bolts are spaced from the inlet end of said second nozzle flow passage for locking said first and second nozzles.
4. The injector dual nozzle assembly as claimed in claim 1 wherein a first sealing groove is formed in a sidewall of the second nozzle adjacent to the inlet of the flow passage, and a first O-ring is installed in the first sealing groove and abuts against a sidewall of the flow passage of the first nozzle.
5. The injector dual nozzle assembly of claim 1, wherein the first nozzle sidewall is integrally formed with a mounting flange, and a plurality of mounting holes are formed in an end surface of the mounting flange at spaced intervals.
6. The injector dual nozzle assembly as claimed in claim 1 wherein the outlet end of the flow passage of the second nozzle is located outside the flow passage of the first nozzle.
7. The injector dual nozzle assembly of claim 1, wherein a second seal groove is formed in each of the first nozzle sidewall at each of two sides of the air inlet, and a second O-ring is installed in each of the second seal grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220199634.4U CN217327868U (en) | 2022-01-25 | 2022-01-25 | Ejector double-nozzle assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220199634.4U CN217327868U (en) | 2022-01-25 | 2022-01-25 | Ejector double-nozzle assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217327868U true CN217327868U (en) | 2022-08-30 |
Family
ID=82995616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220199634.4U Active CN217327868U (en) | 2022-01-25 | 2022-01-25 | Ejector double-nozzle assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217327868U (en) |
-
2022
- 2022-01-25 CN CN202220199634.4U patent/CN217327868U/en active Active
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