CN205977827U - Composite two-stage multi-channel gas-liquid jet pump - Google Patents

Composite two-stage multi-channel gas-liquid jet pump Download PDF

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Publication number
CN205977827U
CN205977827U CN201620805926.2U CN201620805926U CN205977827U CN 205977827 U CN205977827 U CN 205977827U CN 201620805926 U CN201620805926 U CN 201620805926U CN 205977827 U CN205977827 U CN 205977827U
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CN
China
Prior art keywords
nozzle
stage
suction chamber
jet pump
liquid jet
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Withdrawn - After Issue
Application number
CN201620805926.2U
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Chinese (zh)
Inventor
马艺
卢圣旺
张生昌
邓鸿英
周水清
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Zhejiang University of Technology ZJUT
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Zhejiang University of Technology ZJUT
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Priority to CN201620805926.2U priority Critical patent/CN205977827U/en
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Publication of CN205977827U publication Critical patent/CN205977827U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The composite two-stage multi-channel gas-liquid jet pump comprises a first-stage jet pump body and a second-stage jet pump body, wherein the first-stage jet pump body comprises an inlet section, a first-stage nozzle and a first-stage suction chamber, the large head end of the first-stage nozzle is connected with the inlet section, and the small head end of the first-stage nozzle is positioned in the first-stage suction chamber; the secondary jet pump body comprises a secondary nozzle, a secondary suction chamber, a throat pipe, a diffusion pipe and an outlet section, the primary suction chamber and the secondary suction chamber are mutually connected, and the inner side walls of the primary suction chamber and the secondary suction chamber are provided with clamping grooves for clamping the large head end of the secondary nozzle at the joint; the left side and the right side of the throat pipe are respectively connected with the second-stage suction chamber and the small head end of the diffusion pipe, and the large head end of the diffusion pipe is connected with the outlet section; the side parts of the first-stage suction chamber and the second-stage suction chamber are respectively provided with a radial air inlet pipe; the first-stage nozzle comprises a tapered nozzle at the center and annular uniformly-distributed nozzles which are axially arranged around the tapered nozzle. The utility model discloses a hierarchical suction effect and the mixed effect of multichannel gas-liquid fluidic are reinforceed to the efflux of the compound multichannel of working chamber.

Description

Compound two-stage multichannel gas-liquid jet pump
Technical field
This utility model is related to a kind of compound two-stage multichannel gas-liquid jet pump.
Background technology
Jet pump is simple due to its structure, easy to process, in water conservancy, electric power, traffic, oil the advantages of movement-less part The fields such as work have a wide range of applications, be particularly suitable under water and danger special occasions etc..But in use, jet pump Generally less efficient, often only 30% about, be therefore used for the pumping priming device of centrifugal pump, or with other equipment collocation Use, on the other hand, based on its basic functional principle, jet pump is typically provided longer throat tubular construction although contributing to fluid Biography energy and mass transport process, but its larger physical dimension greatly limit the development of jet pump.
Have researcher at present and propose annular jet pump, Multi-stage jet pump and pulsing jet to improve efficiency etc. for target The fluidic pumps such as pump.And in the blending transportation of heterogeneous fluid, jet pump often needs in the face of increasingly complex wide-range operating The mixed flow fluidised form of operating mode and two or more fluid.As realize in exploiting in deep-sea oil high gassiness oil well gaslift technology when, existing Often it is unable to reach Expected Results, medium conveying and mixed effect be not good, particularly axially chi during some gas-liquid jet pump works Very little long the problems such as, is more prominent, therefore, be highly desirable to provide that a kind of structure is simple, pumped (conveying) medium flexibly, can improve many The gas-liquid jet pump of the conveying capacity of phase medium and efficiency.
Content of the invention
In order to overcome that the medium that exists during existing jet pump work conveys and mixed effect is not good, axial dimension is long etc. Shortcoming, this utility model provides a kind of multi-path fluid mixing rational in infrastructure, achievable, is effectively improved the compound of gas-liquid transfer efficiency Type two-stage multichannel gas-liquid jet pump.
The technical solution adopted in the utility model is:
Compound two-stage multichannel gas-liquid jet pump, including one-level jet pump body and secondary jets pump body, its feature It is:Described one-level jet pump body includes entrance, first order jet nozzle and one-level suction chamber, described entrance with described One-level suction chamber connects, and the described stub end of first order jet nozzle is connected with described entrance and little head end is located at one-level suction chamber Interior;Described secondary jets pump body includes secondary nozzle, two grades of suction chambers, trunnion, anemostat and outlet section, described one-level Suction chamber and two grades of suction chambers are connected with each other, and the medial wall of described one-level suction chamber and two grades of suction chambers has use in junction Clamp groove in the stub end of the described secondary nozzle of clamping;The left and right sides of described trunnion respectively with two grades of suction chambers and The little head end of anemostat is connected, and the described stub end of anemostat is connected with described outlet section;
The sidepiece of described one-level suction chamber and two grades of suction chambers is respectively equipped with radial air inlet pipe;
Described first order jet nozzle includes the gradual shrinkage nozzle at center and the uniform nozzle of annular that surrounding is axially disposed.
The uniform nozzle of described annular includes the axial direction outlet of several circumferential array.
Described gradual shrinkage nozzle includes straight section cylinder, the first cone section cylinder and the first tail barrel being coaxially disposed.
The second cone section cylinder and the second tail barrel that described secondary nozzle includes being coaxially disposed, described the second rear The end of cylinder is provided with the side outlet of several circumferential array.
The uniform nozzle of described annular includes 4 mutual θ profile shafts being in 90 ° to outlet.
The end of the second described tail barrel is provided with the side outlets that 6 is in mutually 60 °, and described side outlet with Described radial air inlet pipe staggers 30 ° and arranges.
The stub end of described secondary nozzle has the kink of outward bending, and the end of described kink is connected to institute In the clamp groove stated.
The beneficial effects of the utility model are embodied in:
1st, pass through swabbing action and the mixed effect of the compound multichannel jet strengthened gas-liquid of working chamber, effectively improve gas The transfer efficiency of liquid jet pump;
2nd, two or more multi-path fluids can carry out classification suction, segmentation mix, increases the delivery ratio of gas-liquid pumped (conveying) medium And the motility of species;
3rd, structure is simple, and axial dimension is little, can adjust or change one-level and secondary nozzle pattern according to the actual requirements.
Brief description
Fig. 1 is front view of the present utility model.
Fig. 2 is the left view of Fig. 1.
Fig. 3 be in Fig. 1 A-A to cutaway view Amplified image.
Specific embodiment
Referring to figs. 1 to Fig. 3, compound two-stage multichannel gas-liquid jet pump, including one-level jet pump body and secondary jets Pump body, described one-level jet pump body includes entrance 11, first order jet nozzle 12 and one-level suction chamber 13, described entrance 11 are connected with described one-level suction chamber 13, and the described stub end of first order jet nozzle 12 is connected and microcephaly with described entrance 11 End is located in one-level suction chamber 13;Described secondary jets pump body include 21, two grades of suction chambers 22 of secondary nozzle, trunnion 23, Anemostat 24 and outlet section 25, described one-level suction chamber 13 and two grades of suction chambers 22 are connected with each other, described one-level suction chamber 13 and two grades of suction chambers 22 medial wall have in junction the stub end for clamping described secondary nozzle 21 clamping recessed Groove;The left and right sides of described trunnion 23 is connected with the little head end of two grades of suction chambers 22 and anemostat 24 respectively, described diffusion The stub end of pipe 24 is connected with described outlet section 25;
The sidepiece of described one-level suction chamber 13 and two grades of suction chambers 22 is respectively equipped with radial air inlet pipe 3,4;
Described first order jet nozzle 12 includes the gradual shrinkage nozzle at center and the uniform nozzle of annular that surrounding is axially disposed.
The uniform nozzle of described annular includes the axial direction outlet 51 of several circumferential array.
Described gradual shrinkage nozzle includes straight section cylinder 52, the first cone section cylinder 53 being coaxially disposed and the first tail barrel 54.
The second cone section cylinder 61 and the second tail barrel 62 that described secondary nozzle 21 includes being coaxially disposed, described the The end of two tail barrel 62 is provided with the side outlet 63 of several circumferential array.
The uniform nozzle of described annular includes 4 mutual θ profile shafts being in 90 ° to outlet 51.
The end of the second described tail barrel is provided with the side outlet 63 that 6 is in mutually 60 °, and described side outlet 63 are staggered 30 ° with described radial air inlet pipe 4 is arranged.
The stub end of described secondary nozzle 21 has the kink of outward bending, and the end of described kink is connected to In described clamp groove.
The operation principle of the present embodiment is as follows:
Work main fluid I (liquid) enters jet pump by entrance 11, carries out being further separated into different leading to through first order jet nozzle 12 Road, outer ring liquid, along 4 θ profile shafts to outlet 51 outflow, forms axial annular low-pressure area, secondary fluid II in one-level suction chamber 13 (gas) and then one-level suction chamber 13 is sucked into by radial air inlet pipe 3 carries out gas-liquid premixing;Inner ring liquid is through straight section cylinder 52nd, the first cone section cylinder 53 and the first tail barrel 54 spray at a high speed along central axial line, and the biphase gas and liquid flow of injection premixing is real The secondary mixing of existing gas-liquid and Axial and radial accelerate, enhanced primary suction effect.Mixed phase fluid enters secondary nozzle 21, warp afterwards Second cone section cylinder 61 shrinks after accelerating and shunts again, and outer ring fluid-mixing is spouting by 6 side outlets 63, inhales at two grades Enter the room the radial ringed low-pressure area of 22 formation, secondary fluid III (gas) is aspirated into two grades of suction chambers 22 by radial air inlet pipe 4 and enters Row premixing;Inner ring fluid-mixing projects along central axial line through the second tail barrel 62, realizes three road streams under its ejector action The mutual blending of body, two level suction amounts increase further, improve the mixing jet efficiency of multiple fluid, and substantially reduce The length of follow-up trunnion 23.Final fluid-mixing is pressurized through trunnion 23 and anemostat 24 are stable, with certain pressure by outlet section 25 outflows.
Content described in this specification embodiment is only enumerating of the way of realization to inventive concept, of the present utility model Protection domain is not construed as being only limitted to the concrete form that embodiment is stated, protection domain of the present utility model is also and in this Skilled person according to this utility model design it is conceivable that equivalent technologies mean.

Claims (7)

1. compound two-stage multichannel gas-liquid jet pump, including one-level jet pump body and secondary jets pump body, its feature exists In:Described one-level jet pump body includes entrance, first order jet nozzle and one-level suction chamber, described entrance and described Level suction chamber connects, and the described stub end of first order jet nozzle is connected with described entrance and little head end is located at one-level suction chamber Interior;Described secondary jets pump body includes secondary nozzle, two grades of suction chambers, trunnion, anemostat and outlet section, described one-level Suction chamber and two grades of suction chambers are connected with each other, and the medial wall of described one-level suction chamber and two grades of suction chambers has use in junction Clamp groove in the stub end of the described secondary nozzle of clamping;The left and right sides of described trunnion respectively with two grades of suction chambers and The little head end of anemostat is connected, and the described stub end of anemostat is connected with described outlet section;
The sidepiece of described one-level suction chamber and two grades of suction chambers is respectively equipped with radial air inlet pipe;
Described first order jet nozzle includes the gradual shrinkage nozzle at center and the uniform nozzle of annular that surrounding is axially disposed.
2. as claimed in claim 1 compound two-stage multichannel gas-liquid jet pump it is characterised in that:Described annular is uniform to spray Mouth includes the axial direction outlet of several circumferential array.
3. as claimed in claim 2 compound two-stage multichannel gas-liquid jet pump it is characterised in that:Described gradual shrinkage nozzle Including the straight section cylinder being coaxially disposed, the first cone section cylinder and the first tail barrel.
4. as claimed in claim 3 compound two-stage multichannel gas-liquid jet pump it is characterised in that:Described secondary nozzle bag Include the second cone section cylinder being coaxially disposed and the second tail barrel, the end of the second described tail barrel is provided with several circumferences The side outlet of arrangement.
5. as claimed in claim 4 compound two-stage multichannel gas-liquid jet pump it is characterised in that:Described annular is uniform to spray Mouth includes 4 mutual θ profile shafts being in 90 ° to outlet.
6. as claimed in claim 5 compound two-stage multichannel gas-liquid jet pump it is characterised in that:The second described rear cylinder The end of body is provided with the side outlet that 6 is in mutually 60 °, and described side outlet staggers 30 ° with described radial air inlet pipe Setting.
7. as claimed in claim 6 compound two-stage multichannel gas-liquid jet pump it is characterised in that:Described secondary nozzle Stub end has the kink of outward bending, and the end of described kink is connected in described clamp groove.
CN201620805926.2U 2016-07-28 2016-07-28 Composite two-stage multi-channel gas-liquid jet pump Withdrawn - After Issue CN205977827U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620805926.2U CN205977827U (en) 2016-07-28 2016-07-28 Composite two-stage multi-channel gas-liquid jet pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620805926.2U CN205977827U (en) 2016-07-28 2016-07-28 Composite two-stage multi-channel gas-liquid jet pump

Publications (1)

Publication Number Publication Date
CN205977827U true CN205977827U (en) 2017-02-22

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106122120A (en) * 2016-07-28 2016-11-16 浙江工业大学 Compound two-stage multichannel gas-liquid jet pump

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106122120A (en) * 2016-07-28 2016-11-16 浙江工业大学 Compound two-stage multichannel gas-liquid jet pump

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Granted publication date: 20170222

Effective date of abandoning: 20181113

AV01 Patent right actively abandoned

Granted publication date: 20170222

Effective date of abandoning: 20181113