CN205779768U - A kind of cast iron three-phase sewage/waste electrical submersible pump - Google Patents
A kind of cast iron three-phase sewage/waste electrical submersible pump Download PDFInfo
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- CN205779768U CN205779768U CN201620448407.5U CN201620448407U CN205779768U CN 205779768 U CN205779768 U CN 205779768U CN 201620448407 U CN201620448407 U CN 201620448407U CN 205779768 U CN205779768 U CN 205779768U
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- water shutoff
- lower shell
- machine barrel
- base
- keeper
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Abstract
nullThis utility model relates to the technical field of water pump，It relates to a kind of cast iron three-phase sewage/waste electrical submersible pump，Including the upper shell being sequentially connected with、Machine barrel and lower shell，Connect on lower shell and have filter screen，Top chock it is provided with between upper shell and machine barrel，Base it is provided with between lower shell and filter screen，Motor it is provided with in machine barrel，The power transmission shaft of motor stretches in lower shell and connects impeller，The outfan of power transmission shaft runs through base connection positioning screw cap，It is characterized in that: constituting between described machine barrel and the outer wall of lower shell has sealing chamber，Constitute between inwall and the base of lower shell and have active chamber，The outer wall of lower shell is provided with top base，The inwall of lower shell is provided with bottom base，Top base connects with bottom base，The first black box it is provided with between top base and machine barrel，The second black box it is provided with between bottom base and impeller，The spacing pedestal adaptive with the first black box it is provided with in machine barrel，This utility model is rational in infrastructure simply、Sealing property is strong.
Description
Technical field
This utility model relates to the technical field of water pump, more specifically, it relates to a kind of cast iron three-phase sewage/waste electrical submersible pump.
Background technology
Sewage/waste electrical submersible pump, mainly for delivery of municipal sewage, is the key equipment in sewage treatment industry.In recent years, China pays much attention to sewage disposal cause, and sewage treatment project is all being built in all parts of the country.Sewage/waste electrical submersible pump is the visual plant in sewage treatment project, and the range of this pump expands the most rapidly, it is widely used in the industries such as industry, video, hospital, restaurant, it is mainly used to conveying and contains a large amount of solid particulate matters such as mud, lime-ash etc., and containing sanitary sewages such as a large amount of fibrous solid substances the most various weaving refuse, vegetable video garbages.
Current sewage/waste electrical submersible pump includes upper shell, machine barrel and lower shell, connect on lower shell and have filter screen, top chock it is provided with between upper shell and machine barrel, base it is provided with between lower shell and filter screen, motor it is provided with in machine barrel, the power transmission shaft of motor stretches in lower shell and connects impeller, and the outfan of power transmission shaft runs through base and connects and have positioning screw cap.When electric pump is in the process of use, sewage can penetrate into and burn out motor to machine barrel, greatly reduce its service life.
Utility model content
The deficiency existed for prior art, the purpose of this utility model is to provide a kind of simple, cast iron three-phase sewage/waste electrical submersible pump that sealing property is strong rational in infrastructure.
For achieving the above object, this utility model provides following technical scheme:
nullA kind of cast iron three-phase sewage/waste electrical submersible pump，Including the upper shell being sequentially connected with、Machine barrel and lower shell，Connect on lower shell and have filter screen，Top chock it is provided with between upper shell and machine barrel，Base it is provided with between lower shell and filter screen，Motor it is provided with in machine barrel，The power transmission shaft of motor stretches in lower shell and connects impeller，The outfan of power transmission shaft runs through base connection positioning screw cap，Constitute between machine barrel and the outer wall of lower shell and have sealing chamber，Constitute between inwall and the base of lower shell and have active chamber，Machine barrel is provided with outlet，Outlet is provided with water out adapter，Active chamber and outlet conducting，Impeller is placed in active chamber，The outer wall of lower shell is provided with top base，The inwall of lower shell is provided with bottom base，Top base connects with bottom base，The first black box it is provided with between top base and machine barrel，The second black box it is provided with between bottom base and impeller，The spacing pedestal adaptive with the first black box it is provided with in machine barrel.
By using technique scheme, the power transmission shaft of motor passes the first black box and the second black box, prevents water from burning out motor in penetrating into machine barrel by the first black box and the second black box.The sealing property of machine barrel is further increased by sealing chamber.When water penetrates into from the second black box, it is indoor that this water can be limited in annular seal space.
This utility model is further arranged to: described first black box includes the lower keeper being placed on top base and the upper keeper being placed on spacing pedestal, it is connected by the first compressing member between upper keeper with lower keeper, upper keeper is identical with the structure of lower keeper, constitute on the inwall of upper keeper and the first compressing member and have radiating groove, lower keeper includes the first water shutoff seat and the first water shutoff circle being placed in the first water shutoff seat, and the input of the first compressing member and outfan are pressed on the first water shutoff circle of keeper and lower keeper respectively.
By using technique scheme, realize the installation to the first black box by top base and spacing pedestal, it is ensured that the stability that the first black box is installed.It is pressed on the first water shutoff circle by arranging the first compressing member, it is ensured that the installation of the first water shutoff circle and the first water shutoff seat is stable, and then improves keeper and sealing property that lower keeper plays.
The radiating groove constituted on the inwall of upper keeper and the first compressing member possesses the effect of radiating and cooling, the heat produced when drive axis can dissipate but from radiating groove, and the setting of radiating groove decreases the contact area of the first black box and power transmission shaft, lower coefficient of friction, the generation of heat when also reducing drive axis.
This utility model is further arranged to: offer some annular grooves on the outer wall of described first compressing member, and the outer wall of the first compressing member is also arranged with the first turn.
By using technique scheme, in order to improve the first compressing member further to upper keeper and the compression effect of lower keeper, therefore arranging the first turn on the first compressing member, this first turn makes the first compressing member possess the effect of good bumper and absorbing shock.When the first compressing member is subject to the counteracting force of keeper and lower keeper, carry out buffering decompression, keeper or the impact on causing each other of the lower keeper in reduction by the first turn.
This utility model is further arranged to: described second black box includes the second water shutoff seat being placed in bottom base, the second water shutoff circle it is provided with in second water shutoff seat, being provided with the second compressing member between second water shutoff circle and impeller, the outer wall of the second compressing member is provided with the second turn.
By using technique scheme, the second water shutoff seat is used for sealing installation the second water shutoff circle, then by second compressing member support compression the second water shutoff circle, it is ensured that the installation of the second water shutoff circle is stable so that the second water shutoff circle can be stopped water and penetrate into.In order to reduce the impact that the second water shutoff circle is caused by wheel rotation, therefore on the second compressing member, set the second turn, effectively reduce, by the second turn, the vibration force that wheel rotation produces.
This utility model is further arranged to: the structure of described first water shutoff circle and the second water shutoff circle is identical, and the first water shutoff circle includes interconnective interior trim ring and outer straining ring, and interior trim ring is placed in the first water shutoff seat, and outer straining ring stretches out outside the first water shutoff seat.
By using technique scheme, outer straining ring plays ground floor and seals the effect of dash, the intrinsic pressure second layer that encloses seals the effect of dash, and the first water shutoff seat plays third layer and seals the effect of dash, and then substantially increases the first black box and the effect sealing dash that the second black box plays.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of this utility model the first black box.
Fig. 3 is the structural representation of this utility model the second black box.
Detailed description of the invention
Referring to figs. 1 through Fig. 3, embodiment of the present utility model is described further.
nullA kind of cast iron three-phase sewage/waste electrical submersible pump，Including the upper shell 1 being sequentially connected with、Machine barrel 2 and lower shell 3，Connect on lower shell 3 and have filter screen 4，Top chock 11 it is provided with between upper shell 1 and machine barrel 2，Base 3a it is provided with between lower shell 3 and filter screen 4，Motor 20 it is provided with in machine barrel 2，In the power transmission shaft 21 of motor 20 stretches into lower shell 3 and connect and have impeller 22，The outfan of power transmission shaft 21 runs through base 3a connection positioning screw cap 211，Constitute between the outer wall of machine barrel 2 and lower shell 3 and have sealing chamber 101，Constitute between inwall and the base 3a of lower shell 3 and have active chamber 102，Machine barrel 2 is provided with outlet，Outlet is provided with water out adapter 1a，Active chamber 102 and outlet conducting，Impeller 22 is placed in active chamber 102，The outer wall of lower shell 3 is provided with top base 31，The inwall of lower shell 3 is provided with bottom base 32，Top base 31 connects with bottom base 32，The first black box 6 it is provided with between top base 31 and machine barrel 2，The second black box 7 it is provided with between bottom base 32 and impeller 22，It is provided with in machine barrel 2 and the spacing pedestal 1011 of the first black box 6 adaptation.
The power transmission shaft 21 of motor 20, through the first black box 6 and the second black box 7, prevents water from burning out motor 20 in penetrating into machine barrel 2 by the first black box 6 and the second black box 7.The sealing property of machine barrel 2 is further increased by sealing chamber 101.When water penetrates into from the second black box 7, this water can be limited in sealing chamber 101.
First black box 6 includes the lower keeper 62 being placed on top base 31 and is placed in the upper keeper 61 on spacing pedestal 1011, it is connected by the first compressing member 63 between upper keeper 61 with lower keeper 62, upper keeper 61 is identical with the structure of lower keeper 62, constitute on the inwall of upper keeper 61 and the first compressing member 63 and have radiating groove 601, lower keeper 62 includes the first water shutoff seat 621 and the first water shutoff circle 622 being placed in the first water shutoff seat 621, and the input of the first compressing member 63 and outfan are pressed on the first water shutoff circle 622 of keeper 61 and lower keeper 62 respectively.
The installation to the first black box 6 is realized, it is ensured that the stability that the first black box 6 is installed by top base 31 and spacing pedestal 1011.It is pressed on the first water shutoff circle 622 by arranging the first compressing member 63, it is ensured that the installation of the first water shutoff circle 622 and the first water shutoff seat 621 is stable, and then improves keeper 61 and sealing property that lower keeper 62 plays.
The radiating groove 601 constituted on the inwall of upper keeper 61 and the first compressing member 63 possesses the effect of radiating and cooling, the heat produced when power transmission shaft 21 rotates can dissipate but from radiating groove 601, and the setting of radiating groove 601 decreases the first black box 6 and the contact area of power transmission shaft 21, lower coefficient of friction, also reduce the generation of heat when power transmission shaft 21 rotates.
Offer some annular grooves on the outer wall of the first compressing member 63, the outer wall of the first compressing member 63 is also arranged with the first turn 631.
In order to improve the first compressing member 63 further to upper keeper 61 and the compression effect of lower keeper 62, therefore arranging the first turn 631 on the first compressing member 63, this first turn 631 makes the first compressing member 63 possess the effect of good bumper and absorbing shock.When the first compressing member 63 is subject to the counteracting force of keeper 61 and lower keeper 62, carry out buffering decompression, keeper 61 or the lower keeper 62 impact on causing each other in reduction by the first turn 631.
Stating the second water shutoff seat 71 that the second black box 7 includes being placed in bottom base 32, be provided with the second water shutoff circle 72 in the second water shutoff seat 71, be provided with the second compressing member 73 between the second water shutoff circle 72 and impeller 22, the outer wall of the second compressing member 73 is provided with the second turn 731.
Second water shutoff seat 71 is used for sealing installation the second water shutoff circle 72, then by second compressing member 73 support compression the second water shutoff circle 72, it is ensured that the installation of the second water shutoff circle 72 is stable so that the second water shutoff circle 72 can be stopped water and penetrate into.The impact second water shutoff circle 72 caused in order to reduce impeller 22 to rotate, therefore on the second compressing member 73, set the second turn 731, effectively reduce impeller 22 by the second turn 731 and rotate the vibration force produced.
First water shutoff circle 622 is identical with the structure of the second water shutoff circle 72, and the first water shutoff circle 622 includes that interconnective interior trim ring 6222 and outer straining ring 6221, interior trim ring 6222 are placed in the first water shutoff seat 621, and outer straining ring 6221 stretches out outside the first water shutoff seat 621.
Outer straining ring 6221 plays ground floor and seals the effect of dash, interior trim ring 6222 plays the second layer and seals the effect of dash, first water shutoff seat 621 plays third layer and seals the effect of dash, and then substantially increases the first black box 6 and the effect sealing dash that the second black box 7 plays.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, those skilled in the art carries out common variations and alternatives in the range of technical solutions of the utility model and should be included in protection domain of the present utility model.
Claims (5)
- null1. a cast iron three-phase sewage/waste electrical submersible pump，Including the upper shell being sequentially connected with、Machine barrel and lower shell，Connect on lower shell and have filter screen，Top chock it is provided with between upper shell and machine barrel，Base it is provided with between lower shell and filter screen，Motor it is provided with in machine barrel，The power transmission shaft of motor stretches in lower shell and connects impeller，The outfan of power transmission shaft runs through base connection positioning screw cap，It is characterized in that: constituting between described machine barrel and the outer wall of lower shell has sealing chamber，Constitute between inwall and the base of lower shell and have active chamber，Machine barrel is provided with outlet，Outlet is provided with water out adapter，Active chamber and outlet conducting，Impeller is placed in active chamber，The outer wall of lower shell is provided with top base，The inwall of lower shell is provided with bottom base，Top base connects with bottom base，The first black box it is provided with between top base and machine barrel，The second black box it is provided with between bottom base and impeller，The spacing pedestal adaptive with the first black box it is provided with in machine barrel.
- A kind of cast iron three-phase sewage/waste electrical submersible pump the most according to claim 1, it is characterized in that: described first black box includes the lower keeper being placed on top base and the upper keeper being placed on spacing pedestal, it is connected by the first compressing member between upper keeper with lower keeper, upper keeper is identical with the structure of lower keeper, constitute on the inwall of upper keeper and the first compressing member and have radiating groove, lower keeper includes the first water shutoff seat and the first water shutoff circle being placed in the first water shutoff seat, the input of the first compressing member and outfan are pressed on the first water shutoff circle of keeper and lower keeper respectively.
- A kind of cast iron three-phase sewage/waste electrical submersible pump the most according to claim 2, is characterized in that: offer some annular grooves on the outer wall of described first compressing member, the outer wall of the first compressing member is also arranged with the first turn.
- A kind of cast iron three-phase sewage/waste electrical submersible pump the most according to claim 2, it is characterized in that: described second black box includes the second water shutoff seat being placed in bottom base, the second water shutoff circle it is provided with in second water shutoff seat, being provided with the second compressing member between second water shutoff circle and impeller, the outer wall of the second compressing member is provided with the second turn.
- A kind of cast iron three-phase sewage/waste electrical submersible pump the most according to claim 4, it is characterized in that: the structure of described first water shutoff circle and the second water shutoff circle is identical, first water shutoff circle includes interconnective interior trim ring and outer straining ring, interior trim ring is placed in the first water shutoff seat, and outer straining ring stretches out outside the first water shutoff seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620448407.5U CN205779768U (en) | 2016-05-17 | 2016-05-17 | A kind of cast iron three-phase sewage/waste electrical submersible pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620448407.5U CN205779768U (en) | 2016-05-17 | 2016-05-17 | A kind of cast iron three-phase sewage/waste electrical submersible pump |
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| Publication Number | Publication Date |
|---|---|
| CN205779768U true CN205779768U (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620448407.5U Active CN205779768U (en) | 2016-05-17 | 2016-05-17 | A kind of cast iron three-phase sewage/waste electrical submersible pump |
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| CN (1) | CN205779768U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106594301A (en) * | 2016-12-22 | 2017-04-26 | 武汉船用机械有限责任公司 | Bottom valve used for immersed pump well |
-
2016
- 2016-05-17 CN CN201620448407.5U patent/CN205779768U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106594301A (en) * | 2016-12-22 | 2017-04-26 | 武汉船用机械有限责任公司 | Bottom valve used for immersed pump well |
| CN106594301B (en) * | 2016-12-22 | 2019-11-05 | 武汉船用机械有限责任公司 | A kind of bottom valve for immersed pump pump sump |
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| GR01 | Patent grant |