CN104454670A - Vapor-liquid mixed-pumping type injection pump - Google Patents
Vapor-liquid mixed-pumping type injection pump Download PDFInfo
- Publication number
- CN104454670A CN104454670A CN201410561835.4A CN201410561835A CN104454670A CN 104454670 A CN104454670 A CN 104454670A CN 201410561835 A CN201410561835 A CN 201410561835A CN 104454670 A CN104454670 A CN 104454670A
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- CN
- China
- Prior art keywords
- nozzle
- level nozzle
- mixed
- intake chamber
- suction chamber
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
- F04F5/02—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being liquid
- F04F5/10—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being liquid displacing liquids, e.g. containing solids, or liquids and elastic fluids
- F04F5/12—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being liquid displacing liquids, e.g. containing solids, or liquids and elastic fluids of multi-stage type
-
- 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
- F04F5/467—Arrangements of nozzles with a plurality of nozzles arranged in series
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Jet Pumps And Other Pumps (AREA)
Abstract
The invention discloses a vapor-liquid mixed-pumping type injection pump. The vapor-liquid mixed-pumping type injection pump comprises a front intake chamber, a rear intake chamber, a mixed expansion chamber, a first-level nozzle and a second-level nozzle, wherein the front intake chamber, the rear intake chamber and the mixed expansion chamber are connected coaxially and sequentially, and the first-level nozzle and the second-level nozzle are arranged in the front intake chamber. A conical pipe is installed in the work water inlet end of the front intake chamber. The first-level nozzle is coaxially installed at the small port end of the conical pipe. A step hole is formed in the water outlet end of the other side for positioned installation of the second-level nozzle. The first-level nozzle and the second-level nozzle are arranged in a spaced mode and are coaxial. The body section extends to the second-level nozzle in the rear intake chamber, and an outlet of the body section is in butt joint with an inlet of the mixed expansion chamber. The diameter of an outlet of the second-level nozzle is equal to the diameter of the inlet of the mixed expansion chamber. Work water is injected and accelerated through the first-level nozzle and then enters the second-level nozzle together with pumped media for relay injection, so that the capacity of converting pressure energy to kinetic energy is further enhanced, the vacuum degree of a suction inlet of the front intake chamber is increased, strong brine accumulated in a water making machine and non-condensed vapor are jointly pumped, and the vapor-liquid mixed-pumping efficiency is greatly improved.
Description
Technical field
The invention belongs to universal machine product structure design technical field, specifically, the present invention relates to a kind of water pump, particularly a kind of jet pump.
Background technique
Evaporative type water generating machine peculiar to vessel is the important device of the self-produced fresh water of supporting boats and ships, the water generating machine that application high temperature distillation principle is made, and structure is simple, reliable, can meet marine equipment demand.The distillation of evaporative type water generating machine continuous high temperature must cause the water vapor accumulating brine and last condensation in machine, and these wastes need outer row in time just can accomplish normal production.Commercially available evaporative type water generating machine general adapted jet pump aspirates the waste of this vapour-liquid mixing, prior art jet pump be single nozzle structure, therefore the straight reciprocal of duty cycle that suction port is formed is limited, form suction capactity thus not enough, the brine that can only accumulate in first sucking machine during operation, and residual water vapor to be condensed into water slightly delayed, Cheng Shuihou to be condensed remakes the outer row of suction.Although the jet pump of prior art possesses pumping function, outer row's operation can be completed, substep suction brine and condensed water process long, consuming time many, manufacturing efficiency is low.
Summary of the invention
The present invention is mainly for the problem of the supporting jet pump suction capactity deficiency of prior art, propose a kind of vapour-liquid to polyblend type jet pump, this pump is provided with two nozzles of arranged in co-axial alignment, and working water saves nozzle relay and accelerates through front and back two, significantly improve suction capactity, reach the expection that vapour-liquid is polyblended.
The present invention is achieved through the following technical solutions technical goal.
Vapour-liquid is polyblended type jet pump, and it comprises the preposition suction chamber that coaxial and order is connected, rearmounted suction chamber and mixedly expands room, and the first order jet nozzle established in preposition suction chamber and secondary nozzle.Described preposition suction chamber is rectangular shape tee pipe fitting, working water entrance point and water outlet end coaxial, be provided with the suction port vertically communicated between true.Its improvements are: establish the Taper Pipe that outer imperial palace is little in the working water entrance point of described preposition suction chamber, and Taper Pipe small end oral area axially installs first order jet nozzle.Establish step hole location and installation secondary nozzle in the water outlet end of opposite side, the mixed import of expanding room of outlet docking of secondary nozzle, the outlet bore of secondary nozzle equals mixed and expands room import bore.
As further improvement project, establish two pitch cone angles not wait in described secondary nozzle and length endoporus not etc., wherein preposition horn mouth tapering is 50
0~ 55
0, long 10 ~ 15mm, the taper hole cone angle of a remaining joint is 70
0~ 10
0, long 50 ~ 80mm.
As further improvement project, described first order jet nozzle length is shorter than secondary nozzle, and both length differences are 1.5 ~ 2.0 times.
As further improvement project, the outlet relative aperture secondary nozzle outlet bore of described first order jet nozzle is little, and both bore differences are 5 ~ 15mm.
As further improvement project, the mixing section of described mixed expansion room is isometrical straight tube, and its length is 8 ~ 10 times of mixing section bore.
The present invention compared with prior art, has following good effect:
1, two coaxial structures alternately of nozzle are relatively simple, make easily, accurate positioning, installation be convenient;
2, the working water introduced is through two joint nozzle relay speed-raisings, the pressure energy strengthening working water converts the ability of kinetic energy to, the degree of vacuum of the high-velocity fluid produced by making suction port place form higher value during preposition suction chamber, high level degree of vacuum is conducive to improving suction capactity, facilitate the brine accumulated in water generating machine and the water vapor do not condensed to be sucked in the lump, vapour-liquid is polyblended and is greatly improved work efficiency;
3, lengthen the mixed mixing section expanding room, be conducive to working water and aspirate the brine that comes up and non-water of condensation steam Homogeneous phase mixing, significantly reducing running noises.
Accompanying drawing explanation
Fig. 1 is structural profile schematic diagram of the present invention.
Embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, the invention will be further described.
Vapour-liquid shown in Fig. 1 is polyblended type jet pump, and it comprises preposition suction chamber 1 that coaxial and order is connected, rearmounted suction chamber 3 and mixedly expands room 5, and the first order jet nozzle 2 established in preposition suction chamber 1 and secondary nozzle 4.Described preposition suction chamber 1 is the main component in the present invention, it is a kind of likeness in form rectangular shape tee pipe fitting, the working water entrance point being in left end is coaxial with the water outlet end being in right-hand member, is provided with the suction port 1.1 vertically communicated between working water entrance point and water outlet end.Be positioned at the flange of suction port 1.1 for connecting external pipe, suction port 1.1 is by the brine accumulated in externally connected pipe UNICOM machine and non-water of condensation steam.In the present invention preposition suction chamber 1 working water entrance point in establish the Taper Pipe that outer imperial palace is little, be positioned at inner Taper Pipe small end oral area and axially first order jet nozzle 2 be installed.Step hole location and installation secondary nozzle 4 is established in the water outlet end being located at preposition suction chamber 1 opposite side, secondary nozzle 4 is coaxial with preposition first order jet nozzle 2, although there is part fit between the two, between leave space for the medium circulation be sucked from suction port 1.1.Secondary nozzle 4 is junction location and installation between preposition suction chamber 1 and rearmounted suction chamber 3, and the main body of secondary nozzle 4 stretches in rearmounted suction chamber 3, and to export the mixed import of expanding room 5 of docking, the outlet bore of secondary nozzle 4 equals mixed and expands room 5 import bore.In the present invention, the mixed mixing section of room 5 that expands is for the isometrical straight tube of lengthening, and elongate structure is conducive to working water and aspirates the brine, the non-water of condensation steam Homogeneous phase mixing that come up, significantly can reduce running noises.
During the actual use of the present invention, the working water of introducing is sprayed through first order jet nozzle 2, and continuous print jet forms the degree of vacuum suitable with prior art at the suction port 1.1 of preposition suction chamber 1.Because of first order jet nozzle 2 outlet directly and secondary nozzle 4 gap fit, the jet exported from first order jet nozzle 2 and be drawn into medium from the suction port 1.1 of preposition suction chamber 1 and enter secondary nozzle 4 in the lump, the energy of the impinging jet forming secondary injection improves further, thus strengthen the suction port 1.1 place degree of vacuum of preposition suction chamber 1, suction capactity is promoted under high level degree of vacuum, facilitate the brine accumulated in water generating machine and the water vapor do not condensed to be sucked in the lump, vapour-liquid is polyblended and is greatly improved work efficiency.Generally speaking, the suction port 1.1 place degree of vacuum of hydraulic performance of the present invention, particularly preposition suction chamber 1 determines, below with inhalation flow: 1.5m primarily of supporting two joint nozzle arrangements and size
3/ h, suction head: 8.9m, head pressure 0.05MPa, working water pressure 0.35 MPa, working water flow 13m
3the vapour-liquid of/h specification type the jet pump that polyblends is embodiment, the nozzle of equipped different structure size in permission range, and make hydraulic performance test respectively, concrete test structure sees the following form:
(certain specification) vapour-liquid is polyblended type jet pump inner spray nozzle pairing embodiment hydraulic performance test table
From above-described embodiment test data, the degree of vacuum that this specification obtains at suction port 1.1 place of preposition suction chamber 1 is all very high, but numerical value slightly difference, wherein embodiment 1 numerical value is minimum, and embodiment 3 numerical value is the highest.Although the degree of vacuum of embodiment 3 is 667.67mmHg, the 500mmHg degree of vacuum also obtained at suction port than prior art is high.Because suction port 1.1 degree of vacuum of suction chamber 1 preposition in the present invention is high, significantly increase suction capactity, the brine making accumulation in water generating machine and the water vapor do not condensed are extracted out in the lump, and vapour-liquid is polyblended and greatly improved water generating machine manufacturing efficiency.
Claims (5)
1. vapour-liquid is polyblended a type jet pump, and it comprises preposition suction chamber (1) that coaxial and order is connected, rearmounted suction chamber (3) and mixed expansion room (5), and the first order jet nozzle (2) established in preposition suction chamber (1) and secondary nozzle (4); Described preposition suction chamber (1) is rectangular shape tee pipe fitting, working water entrance point and water outlet end coaxial, be provided with the suction port (1.1) vertically communicated between; It is characterized in that: establish the Taper Pipe that outer imperial palace is little in the working water entrance point of described preposition suction chamber (1), Taper Pipe small end oral area axially installs first order jet nozzle (2); Establish step hole location and installation secondary nozzle (4) in the water outlet end of opposite side, the mixed import of expanding room (5) of outlet docking of secondary nozzle (4), the outlet bore of secondary nozzle (4) equals mixed and expands room (5) import bore.
2. vapour-liquid according to claim 1 is polyblended type jet pump, it is characterized in that: establish two pitch cone angles not wait in described secondary nozzle (4) and length endoporus not etc., wherein preposition horn mouth cone angle degree of being 50
0~ 55
0, long 10 ~ 15mm, the taper hole cone angle degree of being 70 of a remaining joint
0~ 10
0, long 50 ~ 80mm.
3. vapour-liquid according to claim 1 is polyblended type jet pump, it is characterized in that: described first order jet nozzle (2) length is shorter than secondary nozzle (4), and both length differences are 1.5 ~ 2.0 times.
4. vapour-liquid according to claim 1 is polyblended type jet pump, it is characterized in that: outlet relative aperture secondary nozzle (4) the outlet bore of described first order jet nozzle (2) is little, and both bore differences are 5 ~ 15mm.
5. vapour-liquid according to claim 1 is polyblended type jet pump, it is characterized in that: the mixing section of described mixed expansion room (5) is isometrical straight tube, and its length is 8 ~ 10 times of mixing section bore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410561835.4A CN104454670A (en) | 2014-10-22 | 2014-10-22 | Vapor-liquid mixed-pumping type injection pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410561835.4A CN104454670A (en) | 2014-10-22 | 2014-10-22 | Vapor-liquid mixed-pumping type injection pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104454670A true CN104454670A (en) | 2015-03-25 |
Family
ID=52901249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410561835.4A Pending CN104454670A (en) | 2014-10-22 | 2014-10-22 | Vapor-liquid mixed-pumping type injection pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104454670A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105174336A (en) * | 2015-10-21 | 2015-12-23 | 南京中船绿洲环保有限公司 | Ejector used for seawater desalination device |
| CN106640777A (en) * | 2016-11-30 | 2017-05-10 | 江苏振华泵业股份有限公司 | Speed progressively increasing type jet pump |
| CN108005967A (en) * | 2017-12-07 | 2018-05-08 | 山西北方兴安化学工业有限公司 | A kind of smoke of gunpowder vacuum induction apparatus |
| CN108916126A (en) * | 2018-05-31 | 2018-11-30 | 厚力德机器（杭州）有限公司 | A kind of high throughput sludge media ejector |
| WO2022008162A1 (en) * | 2020-07-10 | 2022-01-13 | Norma Germany Gmbh | Nozzle appliance for a jet pump and jet pump |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85200098U (en) * | 1985-04-01 | 1985-10-10 | 武汉大学 | Two-step mixing pump |
| CN2344597Y (en) * | 1998-09-28 | 1999-10-20 | 冯宝林 | Multi-stage water-jetting pumping device |
| CN2397295Y (en) * | 1999-10-15 | 2000-09-20 | 方樟林 | Water-spraying vacuum pump |
| CN101113743A (en) * | 2007-08-30 | 2008-01-30 | 上海汉盛船舶技术有限公司 | Squirtpump special for vacuum distillation type sea water desalting apparatus for ship |
| CN204175677U (en) * | 2014-10-22 | 2015-02-25 | 江苏振华泵业制造有限公司 | Vapour-liquid is polyblended type jet pump |
-
2014
- 2014-10-22 CN CN201410561835.4A patent/CN104454670A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85200098U (en) * | 1985-04-01 | 1985-10-10 | 武汉大学 | Two-step mixing pump |
| CN2344597Y (en) * | 1998-09-28 | 1999-10-20 | 冯宝林 | Multi-stage water-jetting pumping device |
| CN2397295Y (en) * | 1999-10-15 | 2000-09-20 | 方樟林 | Water-spraying vacuum pump |
| CN101113743A (en) * | 2007-08-30 | 2008-01-30 | 上海汉盛船舶技术有限公司 | Squirtpump special for vacuum distillation type sea water desalting apparatus for ship |
| CN204175677U (en) * | 2014-10-22 | 2015-02-25 | 江苏振华泵业制造有限公司 | Vapour-liquid is polyblended type jet pump |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105174336A (en) * | 2015-10-21 | 2015-12-23 | 南京中船绿洲环保有限公司 | Ejector used for seawater desalination device |
| CN106640777A (en) * | 2016-11-30 | 2017-05-10 | 江苏振华泵业股份有限公司 | Speed progressively increasing type jet pump |
| CN108005967A (en) * | 2017-12-07 | 2018-05-08 | 山西北方兴安化学工业有限公司 | A kind of smoke of gunpowder vacuum induction apparatus |
| CN108916126A (en) * | 2018-05-31 | 2018-11-30 | 厚力德机器（杭州）有限公司 | A kind of high throughput sludge media ejector |
| WO2022008162A1 (en) * | 2020-07-10 | 2022-01-13 | Norma Germany Gmbh | Nozzle appliance for a jet pump and jet pump |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 225500 No. 9, Jiangyan Avenue, Jiangyan Economic Development Zone, Taizhou, Jiangsu Applicant after: Jiangsu Zhenhua pump Limited by Share Ltd Address before: 225500 No. 9, Jiangyan Avenue, Jiangyan District, Jiangsu, Taizhou Applicant before: Jiangsu Zhenhua Pump Industry Manufacturing Co., Ltd. |
|
| COR | Change of bibliographic data | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150325 |