CN107044428A - A kind of highly effective energy-conserving multi-stage stream air dissolved pump - Google Patents
A kind of highly effective energy-conserving multi-stage stream air dissolved pump Download PDFInfo
- Publication number
- CN107044428A CN107044428A CN201710478067.XA CN201710478067A CN107044428A CN 107044428 A CN107044428 A CN 107044428A CN 201710478067 A CN201710478067 A CN 201710478067A CN 107044428 A CN107044428 A CN 107044428A
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- Prior art keywords
- gain
- pump housing
- arc
- inlet opening
- chamber
- Prior art date
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Links
- 230000008676 import Effects 0.000 claims abstract description 30
- 239000007788 liquid Substances 0.000 claims abstract description 20
- 239000012530 fluid Substances 0.000 claims description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
- 238000009434 installation Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 239000000203 mixture Substances 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 210000001624 hip Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000476 body water Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005213 imbibition Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
-
- 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
- F04D1/06—Multi-stage 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
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/445—Fluid-guiding means, e.g. diffusers 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention relates to a kind of highly effective energy-conserving multi-stage stream air dissolved pump, including base, the bottom plate being connected on base, the import pump housing, at least one interstage pumps body, the outlet pump housing and motor are installed, motor is fixedly mounted on base, the import pump housing, interstage pumps body and the outlet pump housing are sequentially arranged on bottom plate respectively, impeller is respectively arranged with the import pump housing and outlet pump body, impeller is connected with the output shaft of motor.A kind of highly effective energy-conserving multi-stage stream air dissolved pump of the present invention, using the air dissolved pump of such a design, two grades of gas-liquid is produced during setting up pressure in import pump body or multistage sufficiently mixing reaches saturation, multiple interstage pumps bodies is designed, passes through the runner of interstage pumps body, realize the multistage backflow mixing of gas-liquid, realize and the air of suction is repeatedly cut into minute bubbles, will be reached after cutting in 30 μm of minute bubbles, running, realize low energy consumption, it is to avoid secondary pollution occur.
Description
Technical field
The present invention relates to the field of chemical mechanism, it is adaptable to condensed oil sewage processing, especially a kind of energy-efficient many
Level stream air dissolved pump.
Background technology
At present, now for needing to use air dissolved pump in condensed oil sewage processing procedure, i.e., carried by a high-lift pump
Enter air dissolved pump for high pressure, while being also pressed into air in air dissolved pump using air compressor machine, under larger pressure, air is dissolved in
In water.The water of air is dissolved in after release, pressure declines suddenly, the gas dissolved in originally in water body is isolated from water body
Come, form a large amount of micro-bubbles, in being handled for condensed oil sewage, the dissolved air water produced currently with air dissolved pump, it is impossible to which realization reaches
It is thoroughly mixed to gas-liquid and reaches saturation state, and utilizes high energy consumption in use.
The content of the invention
The technical problem to be solved in the present invention is：In order to overcome it is above-mentioned present in problem there is provided one kind it is energy-efficient many
Level stream air dissolved pump, its design structure rationally and can realize that multistage gas-liquid mixture reaches saturation, effectively realize saving
The purpose of energy consumption reduction pollution.
The technical solution adopted for the present invention to solve the technical problems is：A kind of highly effective energy-conserving multi-stage stream air dissolved pump, including
Base, installation are connected to bottom plate, the import pump housing, at least one interstage pumps body, the outlet pump housing and motor on base, described
Motor is fixedly mounted on base, and the import pump housing, interstage pumps body and the outlet pump housing are sequentially arranged on bottom plate respectively, and described enters
Impeller is respectively arranged with the mouth pump housing and outlet pump body, impeller is connected with the output shaft of motor,
Be connected with the charging flange-interface for feeding liquid on the top end face of the described import pump housing, charging flange-interface with
The inner chamber body of the import pump housing is connected, and the intake interface for entering gas, air inlet connecting are connected with the side wall for feeding flange-interface
Control angle valve is installed on mouthful, offers and is connected on the first circular recess, the outlet pump housing on the front end face of the described import pump housing
Have and go out liquid flange-interface for out-feed liquid,
The center of described interstage pumps body is offered for the axis hole through motor output shaft, the front end mask of interstage pumps body
The round bump coordinated with the first circular recess phase inlay card and rear end face of outwardly convex offers corresponding with round bump
Circular-shaped, concave cavity, be provided with the cavity of interstage pumps body water conservancy diversion clockwise to water conservancy diversion demarcation strip, interstage pumps body passes through water conservancy diversion point
The cavity of interstage pumps body is separated into first chamber and second chamber by dividing plate, and the volume of first chamber is less than the body of second chamber
It is distributed on product, described round bump by circular ring-shaped of axle center provided with the first gain, the second gain, the 3rd gain and the 4th
Gain, the first gain, the second gain, front port to the tail end mouth of the 3rd gain and the 4th gain are to be become larger by small in expanding
Dissipate type structure, the first gain, the second gain, offer the first inlet opening, the on the afterbody of the 3rd gain and the 4th gain respectively
Two inlet openings, the 3rd inlet opening and the 4th inlet opening, the first inlet opening, the second inlet opening, the 3rd inlet opening and the 4th inlet opening
Account for the 1/4 of the first gain, the second gain, the 3rd gain and the 4th gain respectively, the first inlet opening and the second inlet opening respectively with
First chamber is connected, and the 3rd inlet opening and the 4th inlet opening are connected with second chamber respectively, the center near-end of circular-shaped, concave cavity
The first arc fluid hole and the second arc fluid hole are offered in place respectively, the first arc fluid hole goes out liquid less than the second arc
Offer the 3rd arc return port and the 4th arc return port at hole, the Centrodistal of circular-shaped, concave cavity respectively, first chamber with
First arc fluid hole, the 3rd arc return port and the 4th arc return port are connected, second chamber and the second arc fluid hole
It is connected, the first arc fluid hole and the second arc fluid hole are connected with outlet pump body phase respectively, the 3rd arc return port and
Four arc return ports are connected with import pump body phase respectively,
The described import pump housing, interstage pumps body and the outlet pump housing are fastened and fixed radial through bolt.
Location and installation pin is connected with bottom end face in order to interstage pumps body convenient for assembly, described.
In order to realize that being provided with one piece of arc in the purpose of water conservancy diversion mixing, the first chamber of described interstage pumps body leads
Flow and three pieces of arc deflectors are provided with plate, the second chamber of interstage pumps body, water conservancy diversion direction and the water conservancy diversion of arc deflector separate
The water conservancy diversion direction of plate is identical.
The quantity of described interstage pumps body is three, first interstage pumps body.
Used in order to the place that adapts to different, activity adjustment bolt is connected between described base and bottom plate.
The beneficial effects of the invention are as follows a kind of highly effective energy-conserving multi-stage stream air dissolved pump of the invention, using the molten of such a design
Air pump, produces two grades of gas-liquid during setting up pressure in import pump body or multistage sufficiently mixing reaches saturation, designs many
Individual interstage pumps body, by the runner of interstage pumps body, realizes the multistage backflow mixing of gas-liquid, realizes the air of suction is multiple
Minute bubbles are cut into, will be reached after cutting in 30 μm of minute bubbles, running, realize low energy consumption, it is to avoid secondary dirt occur
Dye.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of the pump housing between Fig. 1 middle ranks；
Fig. 3 is the front view of the pump housing between Fig. 2 middle ranks；
Fig. 4 be in Fig. 2 A-A to sectional view；
Fig. 5 is the rearview of the pump housing between Fig. 2 middle ranks.
1. base in figure, 2. bottom plates, the 3. import pump housings, 31. charging flange-interfaces, 32. intake interfaces, 33. control angle valves,
4. interstage pumps body, 41. axis holes, 42. round bumps, the gains of 42-1. first, the inlet openings of 42-11. first, the feed liquors of 42-21. second
Hole, the inlet openings of 42-31. the 3rd, the inlet openings of 42-41. the 4th, the gains of 42-2. second, the gains of 42-3. the 3rd, the waists of 42-4. the 4th
Groove, 43. circular-shaped, concave cavities, 43-1. the first arc fluid holes, 43-2. the second arc fluid holes, the arc return ports of 43-3. the 3rd,
The arc return ports of 43-4. the 4th, 44. water conservancy diversion demarcation strips, 45. first chambers, 46. second chambers, 47. location and installation pins, 48. arcs
Shape deflector, the 5. outlet pump housings, 51. go out liquid flange-interface, 6. motors, 7. activity adjustment bolts.
Embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These accompanying drawings are simplified schematic diagram, only with
Illustration illustrates the basic structure of the present invention, therefore it only shows the composition relevant with the present invention.
A kind of highly effective energy-conserving multi-stage stream air dissolved pump as shown in Figure 1, including base 1, bottom plate 2 are installed and are connected on base 1,
Activity adjustment bolt 7 is connected between base 1 and bottom plate 2, motor 6 is fixedly mounted on base 2, between the import pump housing 3, three levels
The pump housing 4 and outlet the pump housing 5 be sequentially arranged at respectively on bottom plate 1, the import pump housing 3, interstage pumps body 4 and outlet the pump housing 5 radial through
Long bolt is fastened fixation, is respectively arranged with impeller in the import pump housing 3 and the outlet pump housing 5, impeller is connected with the output shaft of motor 6
Connect, the charging flange-interface 31 for feeding liquid, charging flange-interface 31 and import pump are connected with the top end face of the import pump housing 3
The inner chamber body of body 3 is connected, and the intake interface 32 for entering gas, intake interface are connected with the side wall for feeding flange-interface 31
It is provided with 32 on control angle valve 33, the front end face of the import pump housing 3 and offers the first circular recess, is connected with the outlet pump housing 5
Go out liquid flange-interface 51 for out-feed liquid.
A kind of highly effective energy-conserving multi-stage stream air dissolved pump as shown in Figure 2-5, the center of interstage pumps body 4, which is offered, to be used for through electricity
Location and installation pin 47, the front end mask of interstage pumps body 4 are connected with the axis hole 41 of machine output shaft, the bottom end face of interstage pumps body 4
The round bump 42 coordinated with the first circular recess phase inlay card and rear end face of outwardly convex is offered and the phase of round bump 42
Be provided with corresponding circular-shaped, concave cavity 43, the cavity of interstage pumps body 4 water conservancy diversion clockwise to water conservancy diversion demarcation strip 44, interstage pumps body 4
The cavity of interstage pumps body 4 is separated into by first chamber 45 and second chamber 46, the body of first chamber 45 by water conservancy diversion demarcation strip 44
Product is provided with one piece of arc deflector 48, interstage pumps less than the volume of second chamber 46 in the first chamber 45 of interstage pumps body 4
Three pieces of arc deflectors 48, water conservancy diversion direction and the water conservancy diversion demarcation strip 44 of arc deflector 48 are provided with the second chamber 45 of body 4
Water conservancy diversion direction it is identical, be distributed on round bump 42 by circular ring-shaped of axle center provided with the first gain 42-1, the second gain 42-
2nd, the 3rd gain 42-3 and the 4th gain 42-4, the first gain 42-1, the second gain 42-2, the 3rd gain 42-3 and the 4th gain
42-4 front port is to be become larger by small in diffused structure to tail end mouth, the first gain 42-1, the second gain 42-2, the
The first inlet opening 42-11, the second inlet opening 42-21, are offered on three gain 42-3 and the 4th gain 42-4 afterbody respectively
Three inlet opening 42-31 and the 4th inlet opening 42-41, the first inlet opening 42-11, the second inlet opening 42-21, the 3rd inlet opening 42-
31 and the 4th inlet opening 42-41 account for the first gain 42-1, the second gain 42-2, the 3rd gain 42-3 and the 4th gain 42-4 respectively
1/4, the first inlet opening 42-11 and the second inlet opening 42-21 are connected with first chamber 45 respectively, the 3rd inlet opening 42-31
It is connected respectively with second chamber 46 with the 4th inlet opening 42-41, offers on the center proximal end of circular-shaped, concave cavity 43 respectively
One arc fluid hole 43-1 and the second arc fluid hole 43-2, the first arc fluid hole 43-1 are less than the second arc fluid hole 43-
2, at the Centrodistal of circular-shaped, concave cavity 43 on offer the 3rd arc return port 43-3 and the 4th arc return port 43-4 respectively,
One chamber 45 is connected with the first arc fluid hole 43-1, the 3rd arc return port 43-3 and the 4th arc return port 43-4, the
Two chambers 46 are connected with the second arc fluid hole 43-2, the first arc fluid hole 43-1 and the second arc fluid hole 43-2 difference
It is connected with the outlet pump housing 5, the 3rd arc return port 43-3 and the 4th arc return port 43-4 are connected with the import pump housing 3 respectively
It is logical.
A kind of highly effective energy-conserving multi-stage stream air dissolved pump of the present invention, is divided feed liquid and gas using the impeller of special construction simultaneously
Not from charging flange-interface 31 and the suction import of intake interface 32 pump housing 3, produced during setting up pressure in the import pump housing 3
Two grades of gas-liquid or multistage sufficiently mix and reach saturation, and the multi-stage impeller of rotation repeatedly cuts into the air of suction small at a high speed
Bubble, and will reach that moment is dissolved in phegma in hyperbaric environment of 30 μm of the minute bubbles in pump after cutting, mixed liquor warp
Cross the interstage pumps body 4 of particular design runner, first gain 42-1, second gain 42-2, threeth waist of the mixed liquor from interstage pumps body 4
Groove 42-3 and the 4th gain 42-4 flows into the first inlet opening 42-11, the second inlet opening 42-21, the 3rd inlet opening 42-31 and the 4th
Inlet opening 42-41, the first inlet opening 42-11 and the second inlet opening 42-21 mixed liquor enter first chamber 45, in first chamber
A part of mixed liquor in 45 carries out uniformly accelerated motion by the 3rd arc return port 43-3 and the 4th arc return port 43-4 and returned
Flow in phegma, another part mixed liquor in first chamber 45 is transported to next by the first arc fluid hole 43-1
The inner flow passage of interstage pumps body 4 progress bypassing circulation, the 3rd inlet opening 42-31 and the 4th inlet opening 42-41 mixed liquor enter second
Mixed liquor in chamber 46, second chamber 46 is transported to next inner flow passage of interstage pumps body 4 and carries out bypassing circulation, and charging flange connects
Mouth 31 flows to suction surface by pressure face, quickly breaks up the bubble adsorbed at impeller inlet so that this liquid and new imbibition are secondary
Mixing is transported to next stage impeller suction inlet, so circulation, this design, does not increase any compressed air source unit, does not increase secondary energy consumption
And pollution.
Using the above-mentioned desirable embodiment according to the present invention as enlightenment, by above-mentioned description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property scope is not limited to the content on specification, it is necessary to its technical scope is determined according to right.
Claims (5)
1. a kind of highly effective energy-conserving multi-stage stream air dissolved pump, it is characterized in that：Including base (1), the bottom plate being connected on base (1) is installed
(2), the import pump housing (3), at least one interstage pumps body (4), the outlet pump housing (5) and motor (6), described motor (6) are fixed
On base (2), the import pump housing (3), interstage pumps body (4) and the outlet pump housing (5) are sequentially arranged on bottom plate (1) respectively,
Impeller is respectively arranged with the described import pump housing (3) and the outlet pump housing (5), impeller is connected with the output shaft of motor (6),
The charging flange-interface (31) for feeding liquid is connected with the top end face of the described import pump housing (3), charging flange connects
Mouth (31) is connected with the inner chamber body of the import pump housing (3), is connected with the side wall of charging flange-interface (31) for entering gas
It is provided with control angle valve (33), the front end face of the described import pump housing (3) and opens up on intake interface (32), intake interface (32)
Have to be connected with the first circular recess, the outlet pump housing (5) and go out liquid flange-interface (51) for out-feed liquid,
The center of described interstage pumps body (4) is offered for the axis hole (41) through motor output shaft, before interstage pumps body (4)
The round bump (42) coordinated with the first circular recess phase inlay card and rear end face that end face has outwardly convex are offered and circle
Be provided with the corresponding circular-shaped, concave cavity (43) of projection (42), the cavity of interstage pumps body (4) water conservancy diversion clockwise to water conservancy diversion separate
The cavity of interstage pumps body (4) is separated into first chamber (45) and by plate (44), interstage pumps body (4) by water conservancy diversion demarcation strip (44)
Two chambers (46), the volume of first chamber (45) is less than on the volume of second chamber (46), described round bump (42) with axle
The heart is that circular ring-shaped is distributed provided with the first gain (42-1), the second gain (42-2), the 3rd gain (42-3) and the 4th gain
(42-4), the first gain (42-1), the second gain (42-2), the 3rd gain (42-3) and the 4th gain (42-4) front port extremely
Tail end mouth is to be become larger by small in diffused structure, the first gain (42-1), the second gain (42-2), the 3rd gain (42-
3) and on the afterbody of the 4th gain (42-4) the first inlet opening (42-11), the second inlet opening (42-21), the 3rd are offered respectively
Inlet opening (42-31) and the 4th inlet opening (42-41), the first inlet opening (42-11), the second inlet opening (42-21), the 3rd feed liquor
Hole (42-31) and the 4th inlet opening (42-41) account for the first gain (42-1), the second gain (42-2), the 3rd gain (42- respectively
3) and the 4th gain (42-4) 1/4, the first inlet opening (42-11) and the second inlet opening (42-21) respectively with first chamber
(45) it is connected, the 3rd inlet opening (42-31) and the 4th inlet opening (42-41) are connected with second chamber (46) respectively, it is circular
The first arc fluid hole (43-1) and the second arc fluid hole (43-2) are offered on the center proximal end of cavity (43) respectively, the
One arc fluid hole (43-1) is opened up respectively on being less than at the second arc fluid hole (43-2), the Centrodistal of circular-shaped, concave cavity (43)
There are the 3rd arc return port (43-3) and the 4th arc return port (43-4), first chamber (45) and the first arc fluid hole (43-
1), the 3rd arc return port (43-3) is connected with the 4th arc return port (43-4), and second chamber (46) goes out with the second arc
Fluid apertures (43-2) is connected, and the first arc fluid hole (43-1) and the second arc fluid hole (43-2) are respectively with exporting the pump housing (5)
It is connected, the 3rd arc return port (43-3) and the 4th arc return port (43-4) are connected with the import pump housing (3) respectively,
The described import pump housing (3), interstage pumps body (4) and the outlet pump housing (5) are fastened and fixed radial through bolt.
2. a kind of highly effective energy-conserving multi-stage stream air dissolved pump according to claim 1, it is characterized in that：Described interstage pumps body (4)
Bottom end face on be connected with location and installation pin (47).
3. a kind of highly effective energy-conserving multi-stage stream air dissolved pump according to claim 1, it is characterized in that：Described interstage pumps body (4)
First chamber (45) in be provided with one piece of arc deflector (48), is provided with three in the second chamber (45) of interstage pumps body (4)
Block arc deflector (48), the water conservancy diversion direction of arc deflector (48) is identical with the water conservancy diversion direction of water conservancy diversion demarcation strip (44).
4. a kind of highly effective energy-conserving multi-stage stream air dissolved pump according to claim 1, it is characterized in that：Described interstage pumps body (4)
Quantity be three.
5. a kind of highly effective energy-conserving multi-stage stream air dissolved pump according to claim 1, it is characterized in that：Described base (1) and bottom
Activity adjustment bolt (7) is connected between plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710478067.XA CN107044428B (en) | 2017-06-22 | 2017-06-22 | High-efficiency energy-saving multistage flow dissolved air pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710478067.XA CN107044428B (en) | 2017-06-22 | 2017-06-22 | High-efficiency energy-saving multistage flow dissolved air pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107044428A true CN107044428A (en) | 2017-08-15 |
| CN107044428B CN107044428B (en) | 2023-12-05 |
Family
ID=59547035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710478067.XA Active CN107044428B (en) | 2017-06-22 | 2017-06-22 | High-efficiency energy-saving multistage flow dissolved air pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107044428B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215141A (en) * | 2021-11-02 | 2022-03-22 | 浙江建投环保工程有限公司 | Water intake device for dissolved air pump |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5623590A (en) * | 1979-08-06 | 1981-03-05 | No Yamamoto | Multistage centrifugal pump |
| CN2036447U (en) * | 1988-08-12 | 1989-04-26 | 孙明山 | Gas-liquid mixing pump |
| CN2554392Y (en) * | 2002-05-15 | 2003-06-04 | 汪作美 | Self-priming vertical multi-stage centrifugal pump |
| CN101078408A (en) * | 2006-05-24 | 2007-11-28 | 松下电工株式会社 | Pump and liquid supply system |
| RU77651U1 (en) * | 2008-07-09 | 2008-10-27 | Владимир Дмитриевич Анохин | CENTRIFUGAL-VORTEX STEP OF SUBMERSIBLE PUMP |
| CN206845487U (en) * | 2017-06-22 | 2018-01-05 | 靖江市浩鑫电气机械配件有限公司 | Highly effective energy-conserving multi-stage stream air dissolved pump |
-
2017
- 2017-06-22 CN CN201710478067.XA patent/CN107044428B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5623590A (en) * | 1979-08-06 | 1981-03-05 | No Yamamoto | Multistage centrifugal pump |
| CN2036447U (en) * | 1988-08-12 | 1989-04-26 | 孙明山 | Gas-liquid mixing pump |
| CN2554392Y (en) * | 2002-05-15 | 2003-06-04 | 汪作美 | Self-priming vertical multi-stage centrifugal pump |
| CN101078408A (en) * | 2006-05-24 | 2007-11-28 | 松下电工株式会社 | Pump and liquid supply system |
| RU77651U1 (en) * | 2008-07-09 | 2008-10-27 | Владимир Дмитриевич Анохин | CENTRIFUGAL-VORTEX STEP OF SUBMERSIBLE PUMP |
| CN206845487U (en) * | 2017-06-22 | 2018-01-05 | 靖江市浩鑫电气机械配件有限公司 | Highly effective energy-conserving multi-stage stream air dissolved pump |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215141A (en) * | 2021-11-02 | 2022-03-22 | 浙江建投环保工程有限公司 | Water intake device for dissolved air pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107044428B (en) | 2023-12-05 |
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