CN102192157A - Vertical internal and external mixing shaft-seal-free self-sucking pump - Google Patents
Vertical internal and external mixing shaft-seal-free self-sucking pump Download PDFInfo
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- CN102192157A CN102192157A CN2011101260318A CN201110126031A CN102192157A CN 102192157 A CN102192157 A CN 102192157A CN 2011101260318 A CN2011101260318 A CN 2011101260318A CN 201110126031 A CN201110126031 A CN 201110126031A CN 102192157 A CN102192157 A CN 102192157A
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Abstract
The invention discloses a vertical internal and external mixing shaft-seal-free self-sucking pump which comprises a pump body, a pump cover, a pump shaft, a main impellor, a main impellor seal chamber, an assistant impellor chamber, an assistant impellor, a water sucking chamber, a water outlet, a water inlet pipe, a water inlet pipe flange, a volute chamber and a gas-water separation chamber, wherein the top surface of the main impellor and the top surface of the assistant impellor are respectively provided with a radial main impellor balancing rib and a radial assistant impellor balancing rib; the outer edge at the bottom surface of the assistant impellor is fixedly provided with an annular seal pad; and the bottom surface of the assistant impellor chamber is provided with an annular supporting plate. Through the self-sucking pump provided by the invention, the issue of air intake of a shaft seal can be solved, high-vacuum continuous air exhaust can be kept all the time in the self-sucking process, the self-sucking capability is improved, and the self-sucking time is shortened.
Description
Technical field
The present invention and a kind of self-priming pump, being specifically related to a kind of vertical inside and outside mixing does not have axle envelope self-priming pump.
Background technique
Self-priming pump, i.e. self prime pump, a kind of for water pump is divided into internal-mixing and external mixture type, is applied to large enterprises such as cement plant, petrochemical plant, Iron And Steel Plant.
The main composition structure of vertical self-sucking pump is: by the synthetic pump housing of upper and lower pump case, pump housing top is provided with pump cover, be provided with suction chamber, volute chamber, air-water separation chamber and sub-propeller chamber in the pump housing, described suction chamber is provided with intake pipe, the import of intake pipe has flange, be used to connect external pipe and supply water, the suction chamber top is provided with the suction chamber water outlet; It is indoor that described volute chamber is located at air-water separation, main impeller is housed in the volute chamber, and with main impeller seal ring seal interval suction chamber and volute chamber, the suction port of volute chamber main impeller also is the suction chamber water outlet, volute chamber is provided with the outlet water outlet to air-water separation chamber, and volute chamber also is provided with and exports corresponding return port; Described sub-propeller chamber is located at that air-water separation is indoor and be in volute chamber top, and sub-propeller is equipped with sub-propeller in the chamber, and described air-water separation chamber is provided with the air-water separation chamber water outlet; Major and minor impeller all is packed on the same vertical pump shaft by driven by motor.
When the driven by motor pump shaft and when being packed in major and minor impeller rotation suction on the pump shaft, under the instantaneous differential pressure effect in the self-priming process, main impeller sucks and flows to volute chamber with the air water mixed solution in the suction chamber, enters air-water separation chamber by the volute chamber outlet and carries out air-water separation.
During the work of external mixture type self-priming pump, the recirculation water that is refluxed by air-water separation chamber flows to volute chamber by return port, and the air mixing of coming in intake pipe in volute chamber is separated at air-water separation chamber then;
During the work of internal-mixing self-priming pump, recirculation water does not flow to the outer rim of impeller, but opens the reflux valve of main impeller below, and backwater is to the import of main impeller, by under the high speed rotating of impeller recirculation water sucked and with the air mixing that intake pipe is come in, separate at air-water separation chamber then.
And existing vertical self-sucking pump exists following problems:
(1) the axle envelope of the sub-propeller of pump shaft top is difficult to balance, the pressure difference of outside atmosphere and suction chamber high vacuum, cause the easy air inlet of axle envelope, can't guarantee that self-priming pump suction chamber high vacuum continues exhaust, the suction capacity of self-priming pump will be reduced, make that the self-priming time of pump is long, it is low to inhale journey, even the situation of not inhaling water occurs;
(2) internal-mixing or external mixture type self-priming pump all do not make full use of the speed of backwater, have lost the kinetic energy of the backwater that washes away vertically downward, have reduced the suction capacity of self-priming pump, make that the self-priming time of pump is elongated;
(3) volute chamber is single volute list outlet (outlet of single channel list) structure, causes outer mixed area little, and suction capacity reduces;
(4) Way out of volute chamber is a substantially horizontal, and the air water mixed solution enters air-water separation chamber by substantially horizontal, and indoor liquid that has separated of air-water separation and the air water mixed solution mixing together that does not separate cause air-water separation speed slower;
(5) top of suction chamber and sidewall are mutual vertical design, cause being detained gas easily at the top of suction chamber, and the bubble that is mixed in the water can produce cutout in the process of impeller suction, increased the suction resistance of impeller, has reduced suction capacity;
(6) the air-water separation chamber water outlet is positioned at pump housing sidewall, and its water outlet direction is a substantially horizontal, causes the air-water separation chamber water outlet to be detained gas easily, has reduced exhaust velocity, has prolonged self-priming time.
Summary of the invention
Technical problem underlying to be solved by this invention, just provide a kind of vertical inside and outside mixing and do not have axle envelope self-priming pump, can effectively solve the axle envelope equilibrium problem of sub-propeller top, and in the self-priming process, remain the lasting exhaust of high vacuum, improve suction capacity and shorten self-priming time.
For solving the problems of the technologies described above, the solution that the present invention takes is as follows:
A kind of vertical inside and outside mixing do not have axle envelope self-priming pump, comprise by the synthetic pump housing of upper and lower pump case, pump housing top is provided with pump cover, be provided with suction chamber, volute chamber, air-water separation chamber and sub-propeller chamber in the pump housing, described suction chamber is provided with intake pipe, the import of intake pipe has flange, is used to connect external pipe and supplies water, and the suction chamber top is provided with the suction chamber water outlet; It is indoor that described volute chamber is located at air-water separation, main impeller is housed in the volute chamber, and with the main impeller seal ring seal, the suction port of volute chamber main impeller also is the water outlet of suction chamber, volute chamber is provided with the outlet water outlet to air-water separation chamber, and volute chamber also is provided with and exports corresponding return port; Described sub-propeller chamber is located at the indoor volute chamber top that is in of air-water separation, and sub-propeller is equipped with sub-propeller in the chamber, and described air-water separation chamber is provided with the air-water separation chamber water outlet; Major and minor impeller all is packed on the same vertical pump shaft by driven by motor; The end face of described main impeller, sub-propeller correspondence respectively is provided with actinoid main impeller balance muscle, sub-propeller balance muscle, the outer of the bottom surface of described sub-propeller is fixed with a rubber Gask-O-Seal, and the bottom surface of described sub-propeller chamber is provided with the annular backup pad corresponding to described Gask-O-Seal.
Thus, sub-propeller and sub-propeller balance muscle, Gask-O-Seal, add the bottom surface annular backup pad of sub-propeller chamber, constitute the Differential Pressure Unit of an autobalance high vacuum in high vacuum self-priming process, when the sub-propeller rotation, sub-propeller balance muscle makes the indoor water generates pressure of sub-propeller that ring-shaped rubber pad is depressed to be adjacent on the annular backup pad of the bottom surface of sub-propeller chamber and forms slipper seal.
On the basis of the above, the present invention can do further improvement:
1, the inward flange of the end face of described main impeller seal ring has annular groove, the blade of described main impeller puts in the passage that cooperates formation ring-type and cross section to take the shape of the letter U in the annular groove and with annular groove, described ring-type U-shaped passage one end is communicated with volute chamber, and the other end is communicated with the suction port of main impeller.The recirculation water that refluxes from air-water separation chamber is back in the volute chamber and air mixing by the return port of volute chamber outer rim on the one hand, enters the air-water separation chamber air-water separation then; On the other hand, the recirculation water that washes away downwards from the air-water separation chamber backflow also enters ring-type U-shaped passage simultaneously, ° directive main impeller import of recirculation water Rotate 180 enters the air-water separation chamber air-water separation then in ring-type U-shaped passage, form thus inside/outside mixing from suction mode.
2, described sub-propeller chamber is lower than the lower edge of suction chamber intake pipe suction flange internal diameter in short transverse, is not had by water logging to guarantee the sub-propeller chamber.
3, described volute chamber is two volute shell and double export structures, and described two outlets are for being symmetrical arranged; The direction of described pair of volute shell and double outlet is for vertically upward.Can utilize high speed air water mixed solution upwards to spray into air-water separation chamber like this, accelerate air-water separation speed, improve suction capacity, simultaneously, the liquid after the air-water separation flows to impeller outer edge through two two corresponding return ports of outlet, has increased the outer area that mixes.
4, symmetry is extended with two vertically disposed dividing plates on the indoor sidewall of described air-water separation, described dividing plate is positioned at along the outlet port of volute chamber Hand of spiral, can with water air-water separation, that from volute chamber, just do not come out with separate after recirculation water separate, improve air-water separation speed.
5, the top design of described suction chamber is inverted funnel-like, and the osculum correspondence of funnel the suction chamber water outlet; The lower edge of described funnel is greater than or equal to the upper edge of suction chamber sidewall water intake, and under the instantaneous differential pressure effect, the gas that is mingled with in the water slips into impeller along funnel in the self-priming process, makes gas can not be trapped in the suction chamber top and causes cutout.
6, the water outlet of described air-water separation chamber is located at the top of air-water separation chamber, to drain air as far as possible, makes the air-water separation chamber top be difficult for being detained gas, quickens exhaust.
Compared with prior art, the present invention has following advantage:
(1) need not the axle envelope, in the self-priming process, remain high vacuum and continue exhaust, improve suction capacity, accelerate exhaust velocity, shorten self-priming time, inhale the journey height;
(2) make full use of the speed of backwater, utilize the kinetic energy of the backwater that washes away vertically downward, improved the suction capacity of self-priming pump, shorten the self-priming time of pump;
(3) two volute shell and double export structures have strengthened the outer area that mixes, and improve suction capacity;
(4) Way out of volute chamber is for vertically upward, and at the indoor dividing plate that is equipped with of air-water separation, the liquid that has separated separated with the air water mixed solution that does not separate, and accelerated air-water separation speed;
(5) gas is not detained at the top of suction chamber, the suction flow speed stability, and resistance is less, improves suction capacity, inhales the journey height;
(6) the air-water separation chamber top is difficult for being detained gas, and remains the lasting exhaust of high vacuum in the self-priming process, accelerates exhaust velocity, shortens self-priming time.
Description of drawings
Fig. 1 is the main pseudosection of the specific embodiment of the invention;
Fig. 2 is the plan view of the main impeller of the specific embodiment of the invention;
Fig. 3 is that sectional view is looked on the left side of Fig. 2;
Fig. 4 is the plan view of the sub-propeller of the specific embodiment of the invention;
Fig. 5 is that sectional view is looked on the right side of Fig. 4;
Fig. 6 is the partial enlarged drawing of main impeller seal ring in the specific embodiment of the invention;
Fig. 7 is the plan view of volute chamber in the specific embodiment of the invention;
Fig. 8 is the A-A sectional view of Fig. 7.
Among the figure: 1. go up pump case, 2. descend pump case, 3. the sub-propeller chamber, 4. sub-propeller, 5. main impeller, 6. main impeller balance muscle, 7. sub-propeller balance muscle, 8. rubber Gask-O-Seal, 9. annular preform, 10. annular backup pad, 11. intake pipes, 12. intake pipe flanges, 13. the sub-propeller back shroud, 14. air-water separation chambers, 15. main impeller seal rings, 16. ring-type U-shaped passage, 17. solenoid valves, 18. suction chambers, 19. volute chamber, 20. outlets, 21. return ports, 22. dividing plate, 23. pump shafts, 24. pump covers, 25. outlet pipe, 26. funnels, 27. suction chamber water intakes, 28. the suction chamber water outlet, 29. air-water separation chamber water outlets.
Embodiment
A kind of vertical inside and outside the mixing that is illustrated in figure 1 as the embodiment of the invention do not have axle envelope self-priming pump, comprise by last pump case 1, the pump housing that following pump case 2 synthesizes, pump housing top is a pump cover 24, be provided with suction chamber 18 in the pump housing, volute chamber 19, air-water separation chamber 14 and sub-propeller chamber 3, suction chamber has intake pipe 11, the import of intake pipe is provided with intake pipe flange 12, being used to connect external pipe supplies water, the top of suction chamber is provided with suction chamber water outlet 28 (being the suction port of main impeller), it is indoor that volute chamber is located at air-water separation, main impeller 5 is housed in the volute chamber, and with main impeller sealing 6 ring sealings, the suction port of volute chamber main impeller also is the water outlet of suction chamber, and volute chamber is provided with outlet 20 water outlets to air-water separation chamber, and volute chamber also is provided with and exports corresponding return port 21; Main impeller can be from suction chamber water outlet suction, and the sub-propeller chamber is located at the indoor volute chamber top that is in of air-water separation, in sub-propeller 4 is housed; Air-water separation chamber is provided with air-water separation chamber water outlet 29; Major and minor impeller all is packed on the same vertical pump shaft 23 by driven by motor rotation suction, under the instantaneous differential pressure effect in the self-priming process, main impeller sucks and flows to volute chamber with the air water mixed solution in the suction chamber, enters air-water separation chamber by the volute chamber outlet and carries out air-water separation.
The sub-propeller chamber is lower than the intake pipe flange internal diameter lower edge of intake pipe on short transverse, do not had by water logging to guarantee the sub-propeller chamber.
Suction chamber is positioned at pump case down, suction chamber has suction chamber water intake 27 and suction chamber water outlet 28, the suction chamber water intake is located at the sidewall of the pump housing, the suction chamber water outlet is positioned at the top of suction chamber, air-water separation chamber is positioned at pump case, with the top design of suction chamber is inverted funnel-like, the osculum correspondence of funnel 26 is connected suction chamber water outlet place, and, the lower edge height of funnel is identical with the upper edge height of suction chamber water intake, and current are flowed along the funnel inwall after intake pipe enters suction chamber smoothly.Under the instantaneous differential pressure effect, the gas that is mingled with in the water slips into impeller along funnel in the self-priming process, makes gas can not be trapped in the suction chamber top and causes cutout.
The air-water separation chamber water outlet is located on the pump cover 24 at top of pump case, the direction that makes the air-water separation chamber water outlet 29 that air-water separation chamber is connected with outlet pipe, is quickened exhaust, and is drained air as far as possible so that gas is not detained in the outlet port for vertically upward.
Wherein, shown in Fig. 2～3, be provided with main impeller balance muscle 6 along the main impeller radial equipartition at the end face of main impeller, main impeller balance muscle forms radial at the end face of main impeller, and each main impeller balance muscle is rectangular-shaped.
Shown in Fig. 4～5, be provided with sub-propeller balance muscle 7 at the end face of sub-propeller along the sub-propeller radial equipartition, sub-propeller balance muscle is the radiation wire at the end face of sub-propeller, each sub-propeller balance muscle is rectangular-shaped, outer in the bottom surface of sub-propeller is fixed with a rubber Gask-O-Seal 8, this Gask-O-Seal is a rubber pad, by sunk screw annular preform is fixed on the sub-propeller bottom surface together with Gask-O-Seal after pushing down Gask-O-Seal by annular preform 9, on the bottom surface of sub-propeller chamber, be provided with annular backup pad 10 corresponding to Gask-O-Seal, annular backup pad is fixed on the pump housing, Gask-O-Seal and annular backup pad are formed the friction pair of water lubrication in the self-priming process, continue exhaust when keeping in the start-up course condition of high vacuum degree.
Sub-propeller and sub-propeller back shroud 13, sub-propeller balance muscle, Gask-O-Seal, add the bottom surface annular backup pad of sub-propeller chamber, constitute the Differential Pressure Unit of an autobalance high vacuum in high vacuum self-priming process, when the sub-propeller rotation, sub-propeller balance muscle makes the indoor water generates pressure of sub-propeller that ring-shaped rubber pad is depressed to be adjacent to and form sealing on the annular backup pad of the bottom surface of sub-propeller chamber.
Than will deciding on the ratio of lift and pump degree of vacuum absolute value, the pressure of sub-propeller balance should be slightly larger than degree of vacuum in the length of radial direction for main impeller balance muscle and sub-propeller balance muscle, and all the other axial forces are by the main impeller balance.The balance muscle of sub-propeller is too small, and is then too small and poorly sealed by the pressure of sub-propeller generation, and the excessive then pressure of balance muscle may well cause that the rubber Gask-O-Seal damages, and does not inhale water.
As shown in Figure 6, the inward flange of the end face of main impeller seal ring offers annular groove, the blade of main impeller puts in the passage 16 that cooperates formation ring-type and cross section to take the shape of the letter U in the annular groove and with annular groove, this ring-type U-shaped passage one end is communicated with volute chamber, the backwater of main outer rim can flow in the U-shaped passage, and the other end of ring-type U-shaped passage is communicated with the main impeller suction port.The backwater that refluxes from air-water separation chamber flows into the outer rim of main impeller on the one hand, injects the main impeller conduit under the effect of pressure difference and gravity, enters the air-water separation chamber air-water separation then; On the other hand, the backwater that washes away downwards from the air-water separation chamber backflow also enters ring-type U-shaped passage simultaneously, and ° directive main impeller import of backwater Rotate 180 enters the air-water separation chamber air-water separation then in ring-type U-shaped passage; Form thus inside/outside mixing from suction mode.
Be provided with the solenoid valve 17 of air inlet cutout when being used for termination of pumping in the water inlet of intake pipe, make the outlet port of outlet pipe need not to dispose safety check, be applicable to continuous frequent start-stop.
Shown in Fig. 7-8, volute chamber is two volute shell and double export structures, and along the volute radial equipartition two return ports is arranged, and the liquid after the air-water separation flows to impeller outer edge through two return ports, has increased the outer area that mixes; Two outlets are for being symmetrical arranged in the volute chamber, and the direction of outlet makes high speed air water mixed solution upwards spray to air-water separation chamber for vertically upward, accelerate air-water separation speed, improve the suction capacity of pump.
The indoor sidewall of air-water separation is provided with two dividing plates 22 of vertical placement, these two dividing plates are symmetrically distributed and are positioned at along the outlet port of volute chamber Hand of spiral, the air water mixed solution that does not separate that makes progress can be separated with the liquid that has separated, improve air-water separation speed.
Only be preferred implementation of the present invention below, should be pointed out that above-mentioned preferred implementation should not be considered as limitation of the present invention, protection scope of the present invention should be as the criterion with claim institute restricted portion.For those skilled in the art, without departing from the spirit and scope of the present invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (8)
1. vertical inside and outside mixing do not have axle envelope self-priming pump, comprise by the synthetic pump housing of upper and lower pump case, pump housing top is provided with pump cover, be provided with suction chamber, volute chamber, air-water separation chamber and sub-propeller chamber in the pump housing, described suction chamber is provided with intake pipe, the import of intake pipe has flange, and the suction chamber top is provided with the suction chamber water outlet; It is indoor that described volute chamber is located at air-water separation, main impeller is housed in the volute chamber, and with the main impeller seal ring seal, the suction port of volute chamber main impeller also is the water outlet of suction chamber, volute chamber is provided with the outlet water outlet to air-water separation chamber, and volute chamber also is provided with and exports corresponding return port; Described sub-propeller chamber is located at that air-water separation is indoor and be in volute chamber top, and sub-propeller is equipped with sub-propeller in the chamber, and described air-water separation chamber is provided with the air-water separation chamber water outlet; Major and minor impeller all is packed on the same vertical pump shaft by driven by motor; It is characterized in that: the end face of described main impeller and sub-propeller is respectively equipped with actinoid main impeller balance muscle, sub-propeller balance muscle, the outer of the bottom surface of described sub-propeller is fixed with a rubber Gask-O-Seal, and the bottom surface of described sub-propeller chamber is provided with the annular backup pad corresponding to Gask-O-Seal.
2. vertical inside and outside mixing according to claim 1 do not have axle envelope self-priming pump, it is characterized in that: the inward flange of the end face of described main impeller seal ring offers annular groove, the blade of described main impeller puts in the passage that cooperates formation ring-type and cross section to take the shape of the letter U in the annular groove and with annular groove, described ring-type U-shaped passage one end is communicated with volute chamber, and the other end is communicated with the suction port of main impeller.
3. vertical inside and outside mixing according to claim 2 do not have an axle envelope self-priming pump, it is characterized in that: describedly be positioned at the lower edge that the indoor sub-propeller chamber of air-water separation is lower than the suction flange internal diameter of described suction chamber intake pipe.
4. vertical inside and outside mixing according to claim 3 do not have axle envelope self-priming pump, and it is characterized in that: described volute chamber is two volute shell and double export structures, and described two outlets are symmetrical arranged, and direction is for vertically upward.
5. vertical inside and outside mixing according to claim 4 do not have axle envelope self-priming pump, and it is characterized in that: described air-water separation chamber water outlet is located at the top of air-water separation chamber.
6. vertical inside and outside mixing according to claim 5 do not have an axle envelope self-priming pump, it is characterized in that: be extended with two vertical partition plates on the indoor sidewall of described air-water separation, two dividing plates are symmetrical arranged, and described dividing plate is positioned at along the outlet port of volute chamber Hand of spiral.
7. vertical inside and outside mixing according to claim 6 do not have axle envelope self-priming pump, and it is characterized in that: the top design of described suction chamber is inverted funnel-like, and the osculum correspondence of funnel the suction chamber water outlet.
8. vertical inside and outside mixing according to claim 7 do not have axle envelope self-priming pump, and it is characterized in that: the lower edge of described funnel is greater than or equal to the upper edge of suction chamber sidewall water intake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110126031 CN102192157B (en) | 2011-05-16 | 2011-05-16 | Vertical internal and external mixing shaft-seal-free self-sucking pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110126031 CN102192157B (en) | 2011-05-16 | 2011-05-16 | Vertical internal and external mixing shaft-seal-free self-sucking pump |
Publications (2)
| Publication Number | Publication Date |
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| CN102192157A true CN102192157A (en) | 2011-09-21 |
| CN102192157B CN102192157B (en) | 2013-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110126031 Active CN102192157B (en) | 2011-05-16 | 2011-05-16 | Vertical internal and external mixing shaft-seal-free self-sucking pump |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102828970A (en) * | 2012-09-24 | 2012-12-19 | 杨丽萍 | Vertical seal-free liquid surface sewage self-sucking pump |
| CN102954040A (en) * | 2011-07-13 | 2013-03-06 | 奥阿泽有限公司 | Circulation pump with spiral housing |
| CN105952612A (en) * | 2016-05-09 | 2016-09-21 | 高洪亮 | Self-priming device and method for pump |
| CN106523377A (en) * | 2016-12-13 | 2017-03-22 | 广州市白云泵业集团有限公司 | Impeller and auxiliary impeller leaning-mounted no-sealed and self-suction pump |
| CN109667764A (en) * | 2017-10-15 | 2019-04-23 | 锐驱（福州）电子科技有限公司 | A kind of detachable high-efficiency pump uses self-priming apparatus |
| CN110500285A (en) * | 2019-10-11 | 2019-11-26 | 江苏优耐机械制造有限公司 | A kind of fast self-priming high-efficiency vertical pipeline self sucking pump |
| CN111140511A (en) * | 2019-05-22 | 2020-05-12 | 南阳理工学院 | Self-suction self-cooling accelerated filter pump |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2124302A (en) * | 1982-05-29 | 1984-02-15 | World Chem Kk | Self-priming pump |
| JPH0610877A (en) * | 1992-06-23 | 1994-01-21 | Sekisuishiya:Kk | Vertical shaft pullout-type self-priming pump |
| CN2620118Y (en) * | 2003-04-19 | 2004-06-09 | 博山华翔机械制造有限公司 | Self priming pump |
| CN2846810Y (en) * | 2005-12-14 | 2006-12-13 | 上海连成（集团）有限公司 | Novel vertical seal-free self control self sucking pump |
| CN2856514Y (en) * | 2005-12-15 | 2007-01-10 | 上海连成（集团）有限公司 | Cut-off sealing of verticle sealing free self sucking pump |
| CN2886149Y (en) * | 2006-01-05 | 2007-04-04 | 张荣杰 | Self-sucking pump |
| CN101737354A (en) * | 2008-11-18 | 2010-06-16 | 上海凯泉泵业（集团）有限公司 | Dynamic sealing vertical self sucking pump with high suction lift |
-
2011
- 2011-05-16 CN CN 201110126031 patent/CN102192157B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2124302A (en) * | 1982-05-29 | 1984-02-15 | World Chem Kk | Self-priming pump |
| JPH0610877A (en) * | 1992-06-23 | 1994-01-21 | Sekisuishiya:Kk | Vertical shaft pullout-type self-priming pump |
| CN2620118Y (en) * | 2003-04-19 | 2004-06-09 | 博山华翔机械制造有限公司 | Self priming pump |
| CN2846810Y (en) * | 2005-12-14 | 2006-12-13 | 上海连成（集团）有限公司 | Novel vertical seal-free self control self sucking pump |
| CN2856514Y (en) * | 2005-12-15 | 2007-01-10 | 上海连成（集团）有限公司 | Cut-off sealing of verticle sealing free self sucking pump |
| CN2886149Y (en) * | 2006-01-05 | 2007-04-04 | 张荣杰 | Self-sucking pump |
| CN101737354A (en) * | 2008-11-18 | 2010-06-16 | 上海凯泉泵业（集团）有限公司 | Dynamic sealing vertical self sucking pump with high suction lift |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102954040A (en) * | 2011-07-13 | 2013-03-06 | 奥阿泽有限公司 | Circulation pump with spiral housing |
| CN102828970A (en) * | 2012-09-24 | 2012-12-19 | 杨丽萍 | Vertical seal-free liquid surface sewage self-sucking pump |
| CN102828970B (en) * | 2012-09-24 | 2015-04-08 | 广州水泵厂有限公司 | Vertical seal-free liquid surface sewage self-sucking pump |
| CN105952612A (en) * | 2016-05-09 | 2016-09-21 | 高洪亮 | Self-priming device and method for pump |
| CN106523377A (en) * | 2016-12-13 | 2017-03-22 | 广州市白云泵业集团有限公司 | Impeller and auxiliary impeller leaning-mounted no-sealed and self-suction pump |
| CN109667764A (en) * | 2017-10-15 | 2019-04-23 | 锐驱（福州）电子科技有限公司 | A kind of detachable high-efficiency pump uses self-priming apparatus |
| CN111140511A (en) * | 2019-05-22 | 2020-05-12 | 南阳理工学院 | Self-suction self-cooling accelerated filter pump |
| CN110500285A (en) * | 2019-10-11 | 2019-11-26 | 江苏优耐机械制造有限公司 | A kind of fast self-priming high-efficiency vertical pipeline self sucking pump |
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| CN102192157B (en) | 2013-04-10 |
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Denomination of invention: Vertical internal and external mixing shaft-seal-free self-sucking pump Effective date of registration: 20191105 Granted publication date: 20130410 Pledgee: Guangzhou finance re Company limited by guarantee Pledgor: Guangzou Baiyun Pump Group Ltd. Registration number: Y2019440000176 |
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Date of cancellation: 20211227 Granted publication date: 20130410 Pledgee: Guangzhou finance re Company limited by guarantee Pledgor: GUANGZHOU BAIYUAN PUMP Group Ltd. Registration number: Y2019440000176 |
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