CN106837887A - The liquid ejection device of injection Parameter adjustable - Google Patents
The liquid ejection device of injection Parameter adjustable Download PDFInfo
- Publication number
- CN106837887A CN106837887A CN201710150742.6A CN201710150742A CN106837887A CN 106837887 A CN106837887 A CN 106837887A CN 201710150742 A CN201710150742 A CN 201710150742A CN 106837887 A CN106837887 A CN 106837887A
- Authority
- CN
- China
- Prior art keywords
- injection
- trunnion
- pipe
- pump
- drainage tube
- Prior art date
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/669—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/007—Details, component parts, or accessories especially adapted for liquid pumps
-
- 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
- Y02E60/10—Energy storage using batteries
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Jet Pumps And Other Pumps (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of liquid ejection device of injection Parameter adjustable.Including the centrifugal pump body for sequentially coaxially connecting, inlet flange pipe, injection part and trunnion and the incident chamber shell outside inlet flange pipe, drainage pipe, injection angle adjusting mechanism and injection length adjustment mechanism, drainage pipe includes flow control valve, horizontal drainage tube and flexible drainage tube, centrifugal pump body top is connected with centrifugation pump diffuser, the sidepiece that pump diffuser is centrifuged connects one end of horizontal drainage tube, the horizontal drainage tube other end is connected through flexible drainage tube with incident chamber shell, flexible drainage tube is provided with flow control valve, incident chamber shell is connected to injection part through injection angle adjusting mechanism, trunnion is connected through injection length adjustment mechanism with centrifugal pump body pump intake.The present invention can freely adjust the injection angle of the fluid of induction apparatus injection and the distance, draught jet capacity and fluid of impeller eye, be prevented effectively from the generation of cavitation phenomenon, improve the anti-cavitation performance of centrifugal pump.
Description
Technical field
The present invention relates to liquid conveying technical field of power equipment, the more particularly to a kind of liquid of injection Parameter adjustable
Induction apparatus.
Background technology
Centrifugal pump is a kind of application and its extensive universal machine.It operationally can be along with impeller inlet absolute pressure
Reduce, when local pressure is less than local pressure for vaporization, it is possible to produce cavitation phenomenon.Cavitation not only results in centrifugal pump
Can decline, while a series of problems, such as also triggering vibration and noise.Centrifugation used to be avoided as cost to sacrifice speed
The cavitation of pump, but the development of the modern industry causes that people have requirement-high speed, low power consuming, economy higher to centrifugal pump,
This inevitably causes the generation of cavitation.
In the prior art, use raising centrifugal pump anti-cavitation performance a kind of mode for：Pacify in the exit of centrifugal pump
, be drained to the high-pressure fluid at pump discharge at impeller eye by induction apparatus, by high-pressure fluid to low pressure by dress induction apparatus
Fluid carries out energy supplement, so that the Fluid pressure at impeller eye rises, it is to avoid the generation of cavitation phenomenon.
But, the injection of axial duct length and fluid in existing centrifugal pump induction apparatus at entrance aperture to impeller eye
Angle is fixed, and under different operating modes, because the pressure compensation for needing is different, the tube axial at entrance aperture to impeller eye
The optimum length in road and the injection angle of fluid are different.Cannot the injection angle of free adjustment length and fluid cause entry into
High-pressure fluid at impeller eye changes smaller to the pressure compensation of low-pressure fluid, it is impossible to be prevented effectively from the generation of cavitation phenomenon,
Reduce the anti-cavitation performance of centrifugal pump.
The content of the invention
For the technical problem mentioned in above-mentioned background technology, the present invention proposes a kind of liquid of injection Parameter adjustable and draws
Injection device.
Technical scheme is as follows：
The present invention includes the centrifugal pump body, inlet flange pipe, injection part and trunnion and the installation that sequentially coaxially connect
Incident chamber shell, drainage pipe, injection angle adjusting mechanism and injection length adjustment mechanism outside inlet flange pipe, drainage pipe
Including flow control valve, horizontal drainage tube and flexible drainage tube, centrifugal pump body top is connected with centrifugation pump diffuser, centrifugal pump
The sidepiece of anemostat connects one end of horizontal drainage tube, and the horizontal drainage tube other end is connected through flexible drainage tube with incident chamber shell,
Flexible drainage tube is provided with flow control valve, and incident chamber shell is connected to injection part through injection angle adjusting mechanism, and trunnion is through drawing
Length adjustment mechanism is penetrated to be connected with centrifugal pump body pump intake.
Can be with the injection angle of accurate adjustment fluid and fixation by injection angle adjusting mechanism of the invention.By this hair
Bright injection angle adjusting mechanism can be with the injection angle of flexible modulation fluid.
Described centrifugal pump body is fixedly mounted by centrifugal pump base, and impeller, impeller, entrance are provided with centrifugal pump body
Flanged pipe and trunnion are coaxially arranged.
Described injection length adjustment mechanism include be arranged on trunnion outer peripheral face pipeline thread, be connected to trunnion and from
Adpting flange and pump intake sleeve pipe between heart pump pump housing pump intake, adpting flange pass through pipeline thread of the thread bush in trunnion
Outward, adpting flange is fixedly connected and with the flange end on pump intake so that trunnion is installed in centrifugal pump body pump intake, pumps into
The inner peripheral surface of mouth is provided with shoulder hole, is provided between the step and trunnion of shoulder hole for being smoothly connected pump intake inner-walls of duct and drawing
The pump intake sleeve pipe of injection device trunnion inwall；By the installation site between threaded adjustment adpting flange and trunnion, and then adjust
Trunnion extend into the distance of pump intake, realizes the injection length adjustment between the injection part and pump intake of trunnion rear end connection.
Described injection part is movable spray head, and movable spray head includes ring portion and many be connected in uniform way around ring portion
Straight tube, ring portion is divided into multiple canned paragraphs being uniformly distributed along the circumference and the active segment being hinged between adjacent canned paragraph, and canned paragraph is solid
Surely it is connected between inlet flange pipe and trunnion, canned paragraph two ends connect with the end face fixing seal of inlet flange pipe and trunnion respectively
Connect, straight tube one end is fixed and is inserted into active segment and passed in trunnion from active segment.
The injection angle adjusting mechanism includes turnbarrel handle, holding screw, shower nozzle support frame, turnbarrel, spiral shell
Line sleeve and flange, the straight tube other end are connected with the incident chamber in the shell of incident chamber through flexible incident pipe and communicate, outside inlet flange pipe
Activity is cased with screw shell, and screw shell front end is connected by shower nozzle support frame with the straight tube other end sidepiece of movable spray head；Spiral shell
Line sleeve rear end is cased with turnbarrel by screw thread, and inlet flange pipe outer peripheral face is provided with fixes turnbarrel for axial limiting
Flange, turnbarrel rear end is mutually embedded in realization with flange by hook and slot and does not move axially but can circumferentially rotate, and is pacified outside turnbarrel
Equipped with for rotating turnbarrel handle and holding screw with rotary stopper, turnbarrel handle is fixed on turnbarrel periphery
Face, the control for rotating turnbarrel, holding screw consolidates postrotational turnbarrel through the through hole of turnbarrel side wall
It is fixed.
Turnbarrel and screw shell are connected by screw thread, and screw shell can only axially along the pipe do axial shifting
It is dynamic, and turnbarrel is arranged on flange around pipeline center's rotation, and can not move axially.Driven by rotating turnbarrel
Screw shell is moved axially along inlet flange pipe, and then drives the inside exit direction of straight tube of movable spray head to change, and realizes injection
The regulation of angle.
The flexible incident pipe and flexible drainage tube are fabricated from a flexible material, such that it is able to freely adapt to any of fluid
Injection angle.
Described movable spray head is connected with flexible incident pipe, and movable spray head outer surface indicates scale, can conveniently know angle
The size of degree.
The present invention is extend into and is pumped into by the installation site between threaded adjustment adpting flange and trunnion, and then adjustment trunnion
The distance of mouth, realizes the injection length adjustment between the injection part and pump intake of trunnion rear end connection；By rotating rotary sleeve
Cylinder drives screw shell to be moved axially along inlet flange pipe, and then drives the inside exit direction of straight tube of movable spray head to change, real
The regulation of existing injection angle；Change the flow of driving fluid by adjusting flow control valve.Enter leaf so as to adjust high-pressure fluid
Incident effect during wheel entrance, makes the high-pressure fluid being introduced back carry out energy supplement to the low-pressure fluid at impeller eye, fully
Ensure pressure for vaporization value of the fluid pressure higher than liquid itself, it is to avoid the generation of cavitation phenomenon, effectively improve the anti-vapour of centrifugal pump
Corrosion energy.
The beneficial effects of the invention are as follows：
The present invention can freely adjust the fluid of induction apparatus injection and the distance of impeller eye, draught jet capacity and fluid
Injection angle, can be prevented effectively from the generation of cavitation phenomenon, improve the anti-cavitation performance of centrifugal pump.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention；
Fig. 2 is the cross-sectional view of the embodiment of the present invention；
Fig. 3 is the structural representation of injection angle adjusting mechanism；
Fig. 4 is the cross-sectional view of injection angle adjusting mechanism.
Fig. 5 is the view of injection length adjustment.
In figure：Inlet flange pipe 1, incident chamber shell 2, turnbarrel handle 3, movable spray head 4, ring portion 41, straight tube 42, it is fixed
Section 43, active segment 44, pipeline thread 5, pump intake 6, centrifugal pump base 7, centrifugal pump body 8, centrifugation pump diffuser 9, centrifugal pump
Outlet 10, horizontal drainage tube 11, flow control valve 12, adpting flange 13, flexible incident pipe 14, flexible drainage tube 15, clamp screw
Nail 16, pump intake sleeve pipe 17, trunnion 18, incident chamber 19, shower nozzle support frame 20, turnbarrel 21, screw shell 22, flange 23,
Impeller 24.
Specific embodiment
Specific embodiment of the invention is further described below in conjunction with the accompanying drawings.
As shown in figure 1, present invention specific implementation includes the centrifugal pump body 8 for sequentially coaxially connecting, inlet flange pipe 1, draws
Penetrate part and trunnion 18 and the incident chamber shell 2, drainage pipe outside inlet flange pipe 1, injection angle adjusting mechanism and
Injection length adjustment mechanism, centrifugal pump body 8 is fixedly mounted by centrifugal pump base 7, and impeller 24 is provided with centrifugal pump body 8,
Impeller 24, inlet flange pipe 1 and trunnion 18 are coaxially arranged.The entrance termination liquid of inlet flange pipe 1, the port of export is through injection part
Arrival end with trunnion 18 is connected, and the port of export of trunnion 18 is connected through adpting flange 13 with the pump intake 6 of centrifugal pump body 8.
As shown in figure 1, drainage pipe includes flow control valve 12, horizontal drainage tube 11 and flexible drainage tube 15, centrifugal pump
The top of the pump housing 8 is connected with centrifugation pump diffuser 9, and the sidepiece that pump diffuser 9 is centrifuged connects one end of horizontal drainage tube 11, and level is drawn
The other end of flow tube 11 is connected through flexible drainage tube 15 with incident chamber shell 2, and flexible drainage tube 15 is provided with flow control valve 12, flow
Regulating valve 12 adjusts the size of draught jet capacity by control valve.Incident chamber shell 2 is connected to through injection angle adjusting mechanism and draws
Part is penetrated, trunnion 18 is connected through injection length adjustment mechanism with the pump intake 6 of centrifugal pump body 8.
As depicted in figs. 1 and 2, injection length adjustment mechanism includes the pipeline thread 5 being arranged on the outer peripheral face of trunnion 18, connects
Adpting flange 13 and pump intake sleeve pipe 17 between trunnion 18 and the pump intake 6 of centrifugal pump body 8 are connected on, adpting flange 13 passes through
Outside the pipeline thread 5 of trunnion 18, adpting flange 13 is fixedly connected and causes trunnion 18 thread bush with the flange end on pump intake 6
It is installed in the pump intake 6 of centrifugal pump body 8, the inner peripheral surface of pump intake 6 is provided with shoulder hole, between the step and trunnion 18 of shoulder hole
It is provided with pump intake sleeve pipe 17；By the installation site between threaded adjustment adpting flange 13 and trunnion 18, and then adjust trunnion 18
The distance of pump intake 6 is extend into, the injection length adjustment between the injection part and pump intake 6 of the rear end of trunnion 18 connection is realized.
As shown in figure 3, injection part is movable spray head 4, movable spray head 4 includes ring portion 41 and is connected to ring portion 41 in uniform way
Around many straight tubes 42, the outer surface of ring portion 41 indicates scale, 41 points of ring portion for multiple canned paragraphs 43 being uniformly distributed along the circumference and
The active segment 44 between adjacent canned paragraph 43 is hinged on, canned paragraph 43 is fixedly connected between inlet flange pipe 1 and trunnion 18, Gu
Determine the two ends of section 43 respectively with the end face fixed seal connection of inlet flange pipe 1 and trunnion 18, active segment 44 can around itself axially (i.e.
Place circumference tangential direction) rotation, the one end of straight tube 42 fixes and is inserted into active segment 44 and passed in trunnion 18 from active segment 44,
Straight tube 42 is fixedly connected with active segment 44.
As shown in Figure 3 and Figure 4, injection angle adjusting mechanism includes that turnbarrel handle 3, holding screw 16, shower nozzle are supported
Frame 20, turnbarrel 21, screw shell 22 and flange 23, the other end of straight tube 42 is through in flexible incident pipe 14 and incident chamber shell 2
The connection of incident chamber 19 is communicated, and incident chamber 19 is fixedly mounted on outside inlet flange pipe 1 by mounting bracket, the outer activity of inlet flange pipe 1
Screw shell 22 is cased with, the front end of screw shell 22 is connected by shower nozzle support frame 20 with the other end sidepiece of straight tube 42 of movable spray head 4
Connect；One end of shower nozzle support frame 20 is flexibly connected with the straight tube of movable spray head 4, can be rotated around the axle of the rear end of movable spray head 4,
The other end is fixedly connected with screw shell 22.The rear end of screw shell 22 is cased with turnbarrel 21 by screw thread, outside inlet flange pipe 1
Side face is provided with the flange 23 that turnbarrel 21 is fixed for axial limiting, and the rear end of turnbarrel 21 is mutually embedding with flange 23 by hook and slot
Dress realization is not moved axially but can circumferentially rotated, and is provided with outside turnbarrel 21 for rotating the turnbarrel handle with rotary stopper
Hand 3 and holding screw 16, turnbarrel handle 3 are fixed on the outer peripheral face of turnbarrel 21, the control for rotating turnbarrel 21,
Holding screw 16 fixes postrotational turnbarrel 21 through the through hole of the side wall of turnbarrel 21.
The course of work of the invention is as follows：
The fluid media (medium) for being conveyed is flowed through in trunnion and pump intake suction pump body, by the pump housing by inlet flange pipe
Impeller high speed rotation to fluid do work, in anemostat transmission with high energy measure feature high-pressure fluid, and by centrifugation
Pump discharge is delivered to destination.
It is embodied by rotating screw thread and loading the different pump intake sleeve pipe 17 of length in pump intake, controls injection part
The distance of pump intake 6 is stretched into, the regulation of the fluid of injection part injection and the distance of impeller eye is realized, such as Fig. 2 is adjusted to figure
5。
Drive screw shell 22 to be moved axially along inlet flange pipe 1 by rotating turnbarrel 21, and then drive adjustable spray
The first 4 inside exit direction of straight tube 42 changes, and realizes the regulation of injection angle.
When needing to change the injection angle of fluid, rotating handles can make turnbarrel 21 drive screw shell 22 axially to move
It is dynamic, so that shower nozzle support frame 20 drives the straight tube 42 on movable spray head 4 to rotate, while flexible incident pipe 14 can be fitted at any time
The angular adjustment of movable spray head 4 should be met.
When angle position needed for the position of movable spray head 4 is located at, the holding screw 16 on turnbarrel 21 is screwed, so that
The change of nozzle angle is prevented, and flexible incident pipe 14 can meet the angular adjustment of movable spray head 4 at any time, realize drawing for fluid
Firing angle degree accurate adjustment.
Flow control valve 12 is designed with horizontal drainage tube 11, by controlling flow control valve 12 to adjust draught jet capacity
Size, pressure compensation is carried out to the low pressure low energy fluid at impeller eye, so as to avoid the generation of cavitation phenomenon, is carried as far as possible
The anti-cavitation performance of centrifugal pump high.
A part of high-pressure fluid in anemostat is passed sequentially through level and drawn by the drainage pipe in induction apparatus of the invention
Flow tube, flow control valve and flexible drainage tube, back into incident chamber, and by many of being uniformly arranged of being connected with incident chamber
Individual flexible incident pipe, guides high-pressure fluid into movable spray head, and high-pressure fluid is ejected at trunnion through movable spray head, steady by trunnion
The flowing of high-pressure fluid is determined, at the impeller eye of the arrival pump housing of last high-pressure fluid stabilization, so as to flowing into impeller eye
Low-pressure fluid carries out energy supplement, eliminates or weaken the cavitation phenomenon at impeller eye, improves the anti-cavitation performance of centrifugal pump.
When needing to change the condition of work of centrifugal pump, such as when improving the rotating speed of centrifugal pump, by adjusting trunnion rear end
Injection length between the injection part and pump intake of connection；By the injection angle for adjusting fluid；By adjusting Flow-rate adjustment
Valve changes the flow of driving fluid.High-pressure fluid into incident effect during impeller eye can be adjusted, it is more effective to improve centrifugation
The anti-cavitation performance of pump.
Claims (7)
1. a kind of liquid ejection device of injection Parameter adjustable, it is characterised in that：Including the centrifugal pump body for sequentially coaxially connecting
(8), inlet flange pipe (1), injection part and trunnion (18) and installed in the outer incident chamber shell (2) of inlet flange pipe (1), draw
Flow tube road, injection angle adjusting mechanism and injection length adjustment mechanism, drainage pipe include flow control valve (12), horizontal drainage
Pipe (11) and flexible drainage tube (15), centrifugal pump body (8) top is connected with centrifugation pump diffuser (9), centrifugation pump diffuser (9)
Sidepiece connect one end of horizontal drainage tube (11), horizontal drainage tube (11) other end is through flexible drainage tube (15) and incident chamber shell
(2) connect, flexible drainage tube (15) is provided with flow control valve (12), incident chamber shell (2) connects through injection angle adjusting mechanism
To injection part, trunnion (18) is connected through injection length adjustment mechanism with centrifugal pump body (8) pump intake (6).
2. the liquid ejection device of a kind of injection Parameter adjustable according to claim 1, it is characterised in that：Described centrifugation
The pump pump housing (8) is fixedly mounted by centrifugal pump base (7), and impeller (24), impeller (24), entrance are provided with centrifugal pump body (8)
Flanged pipe (1) and trunnion (18) are coaxially arranged.
3. the liquid ejection device of a kind of injection Parameter adjustable according to claim 1, it is characterised in that：Described injection
Length adjustment mechanism includes the pipeline thread (5) being arranged on trunnion (18) outer peripheral face, is connected to trunnion (18) and centrifugal pump pump
Adpting flange (13) and pump intake sleeve pipe (17) between body (8) pump intake (6), adpting flange (13) is by thread bush in larynx
Manage the pipeline thread (5) of (18) outward, adpting flange (13) is fixedly connected with the flange end on pump intake (6) and causes trunnion (18)
It is installed in centrifugal pump body (8) pump intake (6), the inner peripheral surface of pump intake (6) is provided with shoulder hole, the step and trunnion of shoulder hole
(18) the pump intake sleeve pipe (17) for being smoothly connected pump intake inner-walls of duct and induction apparatus trunnion inwall is provided between；Pass through
Installation site between threaded adjustment adpting flange (13) and trunnion (18), and then adjustment trunnion (18) extend into pump intake (6)
Distance, realize trunnion (18) rear end connection injection part and pump intake (6) between injection length adjustment.
4. the liquid ejection device of a kind of injection Parameter adjustable according to claim 1, it is characterised in that：Described injection
Part is movable spray head (4), and movable spray head (4) includes ring portion (41) and many straight tubes being connected in uniform way around ring portion (41)
(42), ring portion (41) is divided into multiple canned paragraphs (43) being uniformly distributed along the circumference and the activity being hinged between adjacent canned paragraph (43)
Section (44), canned paragraph (43) is fixedly connected between inlet flange pipe (1) and trunnion (18), canned paragraph (43) two ends respectively with enter
The end face fixed seal connection of mouthful flanged pipe (1) and trunnion (18), the fixation of straight tube (42) one end be inserted into active segment (44) and from
Active segment (44) is passed in trunnion (18)；
The injection angle adjusting mechanism includes turnbarrel handle (3), holding screw (16), shower nozzle support frame (20), rotation
Sleeve (21), screw shell (22) and flange (23), straight tube (42) other end are interior with incident chamber shell (2) through flexible incident pipe (14)
Incident chamber (19) connection communicate, inlet flange pipe (1) outer activity is cased with screw shell (22), and screw shell (22) front end passes through
Shower nozzle support frame (20) is connected with straight tube (42) other end sidepiece of movable spray head (4)；Screw shell (22) rear end passes through screw thread
Turnbarrel (21) is cased with, inlet flange pipe (1) outer peripheral face is provided with the flange that turnbarrel (21) is fixed for axial limiting
(23), turnbarrel (21) rear end is mutually embedded in by hook and slot with flange (23), be provided with outside turnbarrel (21) for rotating and
The turnbarrel handle (3) and holding screw (16) of rotary stopper.
5. the liquid ejection device of a kind of injection Parameter adjustable according to claim 4, it is characterised in that：Revolved by rotating
Rotaring sleeve (21) drives screw shell (22) to be moved axially along inlet flange pipe (1), and then drives the straight tube of movable spray head (4)
(42) inwardly exit direction changes, and realizes the regulation of injection angle.
6. the liquid ejection device of a kind of injection Parameter adjustable according to claim 1, it is characterised in that：The flexibility enters
Penetrate pipe (14) and flexible drainage tube (15) is fabricated from a flexible material.
7. the liquid ejection device of a kind of injection Parameter adjustable according to claim 1, it is characterised in that：Described activity
Shower nozzle (4) is connected with flexible incident pipe (14), and movable spray head (4) outer surface indicates scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710150742.6A CN106837887B (en) | 2017-03-14 | 2017-03-14 | Liquid ejector with adjustable ejection parameters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710150742.6A CN106837887B (en) | 2017-03-14 | 2017-03-14 | Liquid ejector with adjustable ejection parameters |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106837887A true CN106837887A (en) | 2017-06-13 |
| CN106837887B CN106837887B (en) | 2023-04-18 |
Family
ID=59144549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710150742.6A Active CN106837887B (en) | 2017-03-14 | 2017-03-14 | Liquid ejector with adjustable ejection parameters |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106837887B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108005908A (en) * | 2017-12-20 | 2018-05-08 | 江苏海事职业技术学院 | A kind of centrifugal pump of anti-cavitation |
| CN109630471A (en) * | 2018-11-20 | 2019-04-16 | 衢州学院 | A kind of induction apparatus of incidence angle variable degree and axial position |
| CN112648250A (en) * | 2020-12-22 | 2021-04-13 | 溧阳市盛杰机械有限公司 | Hydraulic valve assembly and manufacturing method thereof |
| CN112683485A (en) * | 2021-03-12 | 2021-04-20 | 中国空气动力研究与发展中心低速空气动力研究所 | Air inlet channel test simulation device and simulation method |
| CN114962282A (en) * | 2022-03-29 | 2022-08-30 | 哈尔滨工程大学 | Multifunctional centrifugal pump suction inlet pressurization test device and test method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1740574A (en) * | 2005-08-19 | 2006-03-01 | 浙江大学 | Ejector capable of raising the cavitation performance of centrifugal pump |
| US20110255963A1 (en) * | 2010-04-19 | 2011-10-20 | Chun Kyung Kim | Centrifugal compressor |
| CN202545272U (en) * | 2012-03-26 | 2012-11-21 | 上海石油天然气有限公司 | Automatic self-priming centrifugal pump device |
| CN103424239A (en) * | 2013-07-17 | 2013-12-04 | 浙江理工大学 | Underwater super-cavity producing device free of production of interferential cavity flows |
| CN105090044A (en) * | 2014-11-21 | 2015-11-25 | 衢州学院 | Centrifugal pump |
| US20160243564A1 (en) * | 2015-02-23 | 2016-08-25 | Stoneage, Inc. | Internally adjustable spray angle rotary nozzle |
| JP2016160899A (en) * | 2015-03-04 | 2016-09-05 | 株式会社マキタ | Backpack blower |
| CN206738258U (en) * | 2017-03-14 | 2017-12-12 | 浙江理工大学 | A kind of liquid ejection device of injection Parameter adjustable |
-
2017
- 2017-03-14 CN CN201710150742.6A patent/CN106837887B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1740574A (en) * | 2005-08-19 | 2006-03-01 | 浙江大学 | Ejector capable of raising the cavitation performance of centrifugal pump |
| US20110255963A1 (en) * | 2010-04-19 | 2011-10-20 | Chun Kyung Kim | Centrifugal compressor |
| CN202545272U (en) * | 2012-03-26 | 2012-11-21 | 上海石油天然气有限公司 | Automatic self-priming centrifugal pump device |
| CN103424239A (en) * | 2013-07-17 | 2013-12-04 | 浙江理工大学 | Underwater super-cavity producing device free of production of interferential cavity flows |
| CN105090044A (en) * | 2014-11-21 | 2015-11-25 | 衢州学院 | Centrifugal pump |
| US20160243564A1 (en) * | 2015-02-23 | 2016-08-25 | Stoneage, Inc. | Internally adjustable spray angle rotary nozzle |
| JP2016160899A (en) * | 2015-03-04 | 2016-09-05 | 株式会社マキタ | Backpack blower |
| CN206738258U (en) * | 2017-03-14 | 2017-12-12 | 浙江理工大学 | A kind of liquid ejection device of injection Parameter adjustable |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108005908A (en) * | 2017-12-20 | 2018-05-08 | 江苏海事职业技术学院 | A kind of centrifugal pump of anti-cavitation |
| CN109630471A (en) * | 2018-11-20 | 2019-04-16 | 衢州学院 | A kind of induction apparatus of incidence angle variable degree and axial position |
| CN112648250A (en) * | 2020-12-22 | 2021-04-13 | 溧阳市盛杰机械有限公司 | Hydraulic valve assembly and manufacturing method thereof |
| CN112648250B (en) * | 2020-12-22 | 2023-12-19 | 溧阳市盛杰机械有限公司 | Hydraulic valve assembly and manufacturing method thereof |
| CN112683485A (en) * | 2021-03-12 | 2021-04-20 | 中国空气动力研究与发展中心低速空气动力研究所 | Air inlet channel test simulation device and simulation method |
| CN114962282A (en) * | 2022-03-29 | 2022-08-30 | 哈尔滨工程大学 | Multifunctional centrifugal pump suction inlet pressurization test device and test method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106837887B (en) | 2023-04-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106837887A (en) | The liquid ejection device of injection Parameter adjustable | |
| CN104675760B (en) | A kind of nozzle-adjustable steam ejector | |
| JPS607923B2 (en) | Apparatus and method for separating gas from fiber suspension | |
| CN107559238B (en) | A kind of import guiding device improving canned motor pump cavitation performance | |
| CN110419423A (en) | A kind of architecture greening rainer | |
| CN206738258U (en) | A kind of liquid ejection device of injection Parameter adjustable | |
| KR101822619B1 (en) | A Centrifugal pump with swirl flow generator | |
| US2524770A (en) | Centrifugal ejector pump | |
| CN208906138U (en) | Centrifugal atomizer, spraying system and unmanned operation vehicle | |
| CN103711726B (en) | The through-flow pump that part of guide vane body is adjustable | |
| CN105090044A (en) | Centrifugal pump | |
| CN109538307A (en) | A kind of adjusting air-flow casing | |
| CN207990992U (en) | Water supply connector device and water heater for water heater | |
| CN204267300U (en) | Centrifugal pump | |
| CN208396944U (en) | Centrifugal multistage pump multiple centrifugal pump | |
| CN208364484U (en) | Unilateral side support centrifugal blower entrance constant-current stabilizer | |
| CN207814052U (en) | A kind of centrifugal pump inhibiting cavitation | |
| CN108005908A (en) | A kind of centrifugal pump of anti-cavitation | |
| CN101772673B (en) | A burner assembly | |
| RU2272935C1 (en) | Self-sucking pumping unit | |
| CN108678997A (en) | Unilateral side support centrifugal blower entrance constant-current stabilizer | |
| CN205618385U (en) | Automatic water pump of speed governing | |
| CN211737501U (en) | Adjustable high-speed motor of air suspension centrifugal blower | |
| CN207906091U (en) | A kind of water flowing out structure of self priming centrifugal pump | |
| CN214366758U (en) | Water pump with adjustable impeller clearance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |