CN102606487A - Full-automatic ground sewage lift pump unit - Google Patents
Full-automatic ground sewage lift pump unit Download PDFInfo
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- CN102606487A CN102606487A CN201210079966XA CN201210079966A CN102606487A CN 102606487 A CN102606487 A CN 102606487A CN 201210079966X A CN201210079966X A CN 201210079966XA CN 201210079966 A CN201210079966 A CN 201210079966A CN 102606487 A CN102606487 A CN 102606487A
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- pump
- centrifugal pump
- centrifugal
- impeller
- vacuum
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Abstract
The invention relates to a full-automatic ground sewage lift pump unit, which belongs to the field of sewage discharging equipment, comprises a pump seat and a pump shaft arranged on the pump seat, and is characterized in that a centrifugal pump and a vacuum pump are simultaneously arranged on the pump shaft. The full-automatic ground sewage lift pump unit can be directly arranged on the ground so as to avoid the phenomena of rust, leakage and the like caused by long time soaking and prolong service life. During installation, due to the fact that the lift pump unit is arranged on the ground, so that installation and maintenance are convenient, installation time is shortened, installation and maintenance cost is reduced, and time and labor are saved. By connecting the centrifugal pump and the vacuum pump through the same pump shaft, under the effect of the vacuum pump, after the pump is opened, vacuum can be fast formed in a pump cavity of the centrifugal pump, so that the aim of automatic pump filling of the centrifugal pump is achieved. The full-automatic ground sewage lift pump unit is simple in structure and small in size and saves time and labor. Due to the fact a centrifugal pump adopts a non-plugging impeller, the phenomenon of impeller plugging caused when sewage medium particles are large is effectively avoided.
Description
Technical field
The present invention relates to a kind of full-automatic ground sewage pump unit, belong to the waste removal equipment field.
Background technique
At present, pollution discharge pump commonly used is liquid following formula and submersible type, all must be installed in the cesspool bottom in two kinds of sewage pump using processs.Following defective is arranged during use: the one, the easy corrosion of long-time immersion, electric leakage, working life is short; The 2nd, install and maintenance inconvenient, it is time-consuming take the people, the increase cost; The 3rd, when installing and keep in repair pollution discharge pump, all need hanging device, and increase installation and engineering time easily.
Summary of the invention
According to above deficiency of the prior art, the technical problem that the present invention will solve is: a kind of full-automatic ground sewage pump unit is provided, and it is simple in structure, can be directly installed on during use on the ground, and is easy to maintenance, time saving and energy saving.
Full-automatic ground of the present invention sewage pump unit comprises pump seat and pump shaft, and pump shaft is installed on the pump seat, it is characterized in that: centrifugal pump and vacuum pump are installed on the pump shaft simultaneously.
Centrifugal pump and vacuum pump adopt coaxial connection, only need on pump shaft, to connect a motor during installation.During use, the centrifugal pump inlet is communicated with cesspool through the sewage suction line, the centrifugal pump outlet is communicated with the sewage transport pipeline, and vacuum pump inlet is communicated with the sewage suction line of centrifugal pump ingress through pipeline.When machine operation, the driven by motor pump shaft rotates, and vacuum pump will vacuumize the sewage suction line of centrifugal pump ingress; Sewage is entered in the centrifugal pump pump chamber through the sewage suction line under the barometric pressure effect, accomplish the purpose of giving the automatic pump priming of centrifugal pump, thereby make centrifugal pump begin proper functioning; It is simple in structure; Volume is little, and is time saving and energy saving, economical and practical.
Among the present invention, preferred vacuum pump is positioned at the centrifugal pump below.
Wherein, said vacuum pump comprises vacuum pump lower pump body, vacuum pump impeller and vacuum pump upper pump casing, and vacuum pump lower pump body and vacuum pump upper pump casing are fixed; The vacuum pump lower pump body is installed on the pump seat; Vacuum pump impeller is fixed on the pump shaft, and corresponding vacuum pump impeller is provided with eccentric active chamber in vacuum pump lower pump body inside, and vacuum pump impeller is positioned at eccentric active chamber; The vacuum pump upper pump casing links to each other with centrifugal pump through suction line, on the vacuum pump upper pump casing, is provided with relief opening.
When the vacuum pump work, vacuum pump impeller vacuumizes the centrifugal pump pump chamber through suction line under interacting with eccentric active chamber, at last air is discharged from relief opening.Because centrifugal pump and vacuum pump adopt coaxial connection, so centrifugal pump and vacuum pump are simultaneously in running order.Vacuum pump also can be discharged sub-fraction sewage from relief opening when centrifugal pump begins to carry sewage, for free from environmental pollution, can connect a gas exhaust piping in exhaust ports, again gas exhaust piping is placed on cesspool and perhaps directly is communicated with the sewage transport pipeline.If select for use when being communicated with the sewage transport pipeline, the essential safety check of installing in the time of just being implemented in the vacuum pump entry into service, vacuumizes centrifugal pump on the pipeline between connection place and the centrifugal pump outlet.
Wherein, Said centrifugal pump comprises centrifugal pump impeller and centrifugal pump body, and centrifugal pump impeller is arranged on centrifugal pump body inside, and centrifugal pump impeller is fixed on the pump shaft; Corresponding centrifugal pump impeller is being connected with on the centrifugal pump suction casing under the suction casing and centrifugal pump on the centrifugal pump body; Suction casing is positioned at centrifugal pump impeller top on the centrifugal pump, and suction casing is communicated with suction line on the centrifugal pump, and suction casing is positioned at the centrifugal pump impeller bottom under the centrifugal pump.
On centrifugal pump impeller, centrifugal pump body, the centrifugal pump under suction casing and the centrifugal pump suction casing formed the centrifugal pump pump chamber; When the vacuum pump work; Will the air in the centrifugal pump pump chamber be extracted out through suction line, form vacuum, under the barometric pressure effect, sewage entered in the centrifugal pump pump chamber through the sewage suction line; Accomplish the purpose of giving the automatic pump priming of centrifugal pump, make centrifugal pump begin proper functioning.
In order to make the present invention easy for installation, suction casing under suction casing on the centrifugal pump and the centrifugal pump is connected with the suction threeway, when connecting line, the threeway that only needs to absorb water is connected with the sewage suction line and gets final product.
Wherein, be provided with upper sealing ring between suction casing and the centrifugal pump impeller on the centrifugal pump, upper sealing ring is installed on the centrifugal pump on the suction casing, is provided with lower sealing ring between suction casing and the centrifugal pump impeller under the centrifugal pump, and lower sealing ring is installed under the centrifugal pump on the suction casing.
The preferred centrifugal pump impeller of the present invention adopts non-clogging impeller, when preventing owing to the sewage media particle greatly effectively, causes the impeller phenomenon of blocking.
In order further to make the present invention easy for installation; In the centrifugal pump outlet one section conveying short tube is installed; Relief opening on the vacuum pump upper pump casing is communicated with carrying short tube through gas exhaust piping, and the conveying short tube between connection place and centrifugal pump outlet is installed safety check and gate valve respectively.
Compared with prior art, the present invention has following beneficial effect:
1, through the present invention, can directly it be installed on the ground, avoided soaking, and phenomenons such as the corrosion that causes, electric leakage have prolonged the use longevity owing to long-time; When mounted,,, reduced installation and maintenance cost on the ground so the installation time has been shortened in installation and easy to maintenance owing to be to install, time saving and energy saving.
2, owing to adopted centrifugal pump to connect through same pump shaft with vacuum pump; The vacuum pump upper pump casing connects through suction casing on suction line and the centrifugal pump, under the vacuum pump effect, and can rapid formation vacuum in the centrifugal pump pump chamber behind the turn on pump; Thereby accomplish the purpose of the automatic pump priming of centrifugal pump; It is simple in structure, and volume is little, and is time saving and energy saving.
3,, when preventing owing to the sewage media particle greatly effectively, cause the impeller phenomenon of blocking because centrifugal pump impeller adopts non-clogging impeller.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Among the figure: 1, suction casing 12, pump shaft 13, vacuum pump upper pump casing 14, vacuum pump impeller 15, vacuum pump lower pump body 16, water middle (center) bearing 17, pump seat 18, gas exhaust piping 19, lower sealing ring 20, upper sealing ring 21 under suction casing 8 on motor 2, link press span 3, coupling 4, bearing 5, suction line 6, packing seal 7, the centrifugal pump, suction threeway 9, centrifugal pump body 10, centrifugal pump impeller 11, the centrifugal pump, carry short tube 22, safety check 23, gate valve.
Embodiment
Below in conjunction with accompanying drawing the present invention is done and to further describe:
As shown in Figure 1, full-automatic sewage pump unit on the ground comprises pump seat 17 and pump shaft 12, and pump shaft 12 is installed on the pump seat 17 through water middle (center) bearing 16, and centrifugal pump and vacuum pump are installed on the pump shaft 12 simultaneously, and vacuum pump is positioned at the centrifugal pump below.
Vacuum pump comprises vacuum pump lower pump body 15, vacuum pump impeller 14 and vacuum pump upper pump casing 13; Vacuum pump lower pump body 15 is fixing with vacuum pump upper pump casing 13, and vacuum pump lower pump body 15 is installed on the pump seat 17, and vacuum pump impeller 14 is fixed on the pump shaft 12; Corresponding vacuum pump impeller 14 is provided with eccentric active chamber in vacuum pump lower pump body 15 inside; Vacuum pump impeller 14 is positioned at eccentric active chamber, and vacuum pump upper pump casing 13 links to each other with centrifugal pump through suction line 5, on vacuum pump upper pump casing 13, is provided with relief opening.
Centrifugal pump comprises centrifugal pump impeller 10 and centrifugal pump body 9; Centrifugal pump impeller 10 is arranged on centrifugal pump body 9 inside; Centrifugal pump impeller 10 is fixed on the pump shaft 12, and corresponding centrifugal pump impeller 10 is being connected with on the centrifugal pump suction casing 11 under suction casing 7 and the centrifugal pump on the centrifugal pump body 9, and suction casing 7 is positioned at centrifugal pump impeller 10 tops on the centrifugal pump; Suction casing 7 is communicated with suction line 5 on the centrifugal pump; Between suction casing on the centrifugal pump 7 and pump shaft 12, packing seal 6 is installed, suction casing 11 is positioned at centrifugal pump impeller 10 bottoms under the centrifugal pump, and suction casing 11 is installed on the vacuum pump upper pump casing 13 under the centrifugal pump.
On the centrifugal pump under suction casing 7 and the centrifugal pump suction casing 11 be connected with suction threeway 8; Be provided with upper sealing ring 20 between suction casing 7 and the centrifugal pump impeller 10 on the centrifugal pump; Upper sealing ring 20 is installed on the centrifugal pump on the suction casing 7; Be provided with lower sealing ring 19 between suction casing 11 and the centrifugal pump impeller 10 under the centrifugal pump, lower sealing ring 19 is installed under the centrifugal pump on the suction casing 11, and centrifugal pump impeller 10 adopts non-clogging impellers.
During practical application; In order further to make the present invention easy for installation; In the centrifugal pump outlet one section conveying short tube 21 is installed; Relief opening on vacuum pump upper pump casing 13 is communicated with carrying short tube 21 through gas exhaust piping 18, and the conveying short tube 21 between connection place and centrifugal pump outlet is separately installed with safety check 22 and gate valve 23.
During use, earlier the present invention is installed on the pump foundation through pump seat 17, the threeway 8 that will absorb water then is communicated with cesspool through the sewage suction line, carries short tube 21 to be communicated with the sewage transport pipeline.Starting electrical machinery 1; Pump shaft 12 begins to rotate in bearing 4 and water middle (center) bearing 16; Begin to rotate with vacuum pump impeller 14 thereby drive centrifugal pump impeller 10, vacuum pump impeller 14 vacuumizes through 5 pairs of centrifugal pump pump chambers of suction line under interacting with eccentric active chamber; At last air is drained into from gas exhaust piping 18 and carry short tube 21; Sewage enters in the centrifugal pump pump chamber through the sewage suction line under the barometric pressure effect, accomplishes the purpose of giving the automatic pump priming of centrifugal pump, thereby makes centrifugal pump begin proper functioning.
Claims (7)
1. a full-automatic sewage pump unit on the ground comprises pump seat (17) and pump shaft (12), and pump shaft (12) is installed on the pump seat (17), it is characterized in that: pump shaft is equipped with centrifugal pump and vacuum pump on (12) simultaneously.
2. full-automatic ground according to claim 1 sewage pump unit is characterized in that: said vacuum pump is positioned at the centrifugal pump below.
3. full-automatic ground according to claim 1 and 2 sewage pump unit; It is characterized in that: said vacuum pump comprises vacuum pump lower pump body (15), vacuum pump impeller (14) and vacuum pump upper pump casing (13); Vacuum pump lower pump body (15) is fixing with vacuum pump upper pump casing (13), and vacuum pump lower pump body (15) is installed on the pump seat (17), and vacuum pump impeller (14) is fixed on the pump shaft (12); Corresponding vacuum pump impeller (14) is provided with eccentric active chamber in vacuum pump lower pump body (15) inside; Vacuum pump impeller (14) is positioned at eccentric active chamber, and vacuum pump upper pump casing (13) links to each other with centrifugal pump through suction line (5), on vacuum pump upper pump casing (13), is provided with relief opening.
4. full-automatic ground according to claim 3 sewage pump unit; It is characterized in that: said centrifugal pump comprises centrifugal pump impeller (10) and centrifugal pump body (9); Centrifugal pump impeller (10) is arranged on centrifugal pump body (9) inside; Centrifugal pump impeller (10) is fixed on the pump shaft (12), and corresponding centrifugal pump impeller (10) is being connected with suction casing (11) under suction casing on the centrifugal pump (7) and the centrifugal pump on the centrifugal pump body (9), and suction casing on the centrifugal pump (7) is positioned at centrifugal pump impeller (10) top; Suction casing under the centrifugal pump (11) is positioned at centrifugal pump impeller (10) bottom, and suction casing on the centrifugal pump (7) is communicated with suction line (5).
5. full-automatic ground according to claim 4 sewage pump unit is characterized in that: suction casing (11) is connected with suction threeway (8) under suction casing on the said centrifugal pump (7) and the centrifugal pump.
6. full-automatic ground according to claim 5 sewage pump unit; It is characterized in that: be provided with upper sealing ring (20) between suction casing on the said centrifugal pump (7) and the centrifugal pump impeller (10); Upper sealing ring (20) is installed on the suction casing on the centrifugal pump (7); Be provided with lower sealing ring (19) between suction casing under the centrifugal pump (11) and the centrifugal pump impeller (10), lower sealing ring (19) is installed on the suction casing under the centrifugal pump (11).
7. full-automatic ground according to claim 6 sewage pump unit is characterized in that: said centrifugal pump impeller (10) adopts non-clogging impeller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210079966XA CN102606487A (en) | 2012-03-23 | 2012-03-23 | Full-automatic ground sewage lift pump unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210079966XA CN102606487A (en) | 2012-03-23 | 2012-03-23 | Full-automatic ground sewage lift pump unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102606487A true CN102606487A (en) | 2012-07-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210079966XA Pending CN102606487A (en) | 2012-03-23 | 2012-03-23 | Full-automatic ground sewage lift pump unit |
Country Status (1)
| Country | Link |
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| CN (1) | CN102606487A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103206373A (en) * | 2013-03-18 | 2013-07-17 | 丹阳市华昱机电设备有限公司 | Novel sealing surface structure of pump |
| CN112957804A (en) * | 2021-02-09 | 2021-06-15 | 中广核工程有限公司 | Integrated decontamination system and bottom decontamination method for inward-entering and outward-going drum-shaped filter screen |
| CN114922823A (en) * | 2022-01-18 | 2022-08-19 | 阳江翌川金属科技有限公司 | Improved efficient energy-saving pump for slag flushing water system of furnace |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5035583A (en) * | 1990-03-21 | 1991-07-30 | Smith & Loveless, Inc. | Sewage pump priming system |
| WO1998004833A1 (en) * | 1996-07-26 | 1998-02-05 | Kabushiki Kaisha Yokota Seisakusho | Self-priming type centrifugal pump |
| CN101382141A (en) * | 2007-09-03 | 2009-03-11 | 常庆发 | Self-suction centrifugal pump |
| CN202500782U (en) * | 2012-03-23 | 2012-10-24 | 淄博博山晨晟给水设备制造有限公司 | Full-automatic ground sewage lift pump assembly |
-
2012
- 2012-03-23 CN CN201210079966XA patent/CN102606487A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5035583A (en) * | 1990-03-21 | 1991-07-30 | Smith & Loveless, Inc. | Sewage pump priming system |
| WO1998004833A1 (en) * | 1996-07-26 | 1998-02-05 | Kabushiki Kaisha Yokota Seisakusho | Self-priming type centrifugal pump |
| CN101382141A (en) * | 2007-09-03 | 2009-03-11 | 常庆发 | Self-suction centrifugal pump |
| CN202500782U (en) * | 2012-03-23 | 2012-10-24 | 淄博博山晨晟给水设备制造有限公司 | Full-automatic ground sewage lift pump assembly |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103206373A (en) * | 2013-03-18 | 2013-07-17 | 丹阳市华昱机电设备有限公司 | Novel sealing surface structure of pump |
| CN112957804A (en) * | 2021-02-09 | 2021-06-15 | 中广核工程有限公司 | Integrated decontamination system and bottom decontamination method for inward-entering and outward-going drum-shaped filter screen |
| CN114922823A (en) * | 2022-01-18 | 2022-08-19 | 阳江翌川金属科技有限公司 | Improved efficient energy-saving pump for slag flushing water system of furnace |
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| PB01 | Publication | ||
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| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120725 |