CN105041677A - Combined submersible pump for wells - Google Patents
Combined submersible pump for wells Download PDFInfo
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- CN105041677A CN105041677A CN201510351350.7A CN201510351350A CN105041677A CN 105041677 A CN105041677 A CN 105041677A CN 201510351350 A CN201510351350 A CN 201510351350A CN 105041677 A CN105041677 A CN 105041677A
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Abstract
The invention provides a combined submersible pump for wells, belongs to the technical field of water pumps and solves the problems that a conventional multi-stage submersible electric pump for wells can neither be combined for changes nor pump all water out. The combined submersible pump for the wells consists of a plurality of water pump units which are connected in series, wherein each water pump unit comprises a pump body with a pump chamber, a water inlet communicated with the pump chamber is formed in the lower end of the pump body, a water outlet communicated with the pump chamber is formed in the upper end of the pump body, a submersible motor is arranged in the pump chamber, and an impeller is arranged at the lower part of the submersible motor; and the water outlets of the water pump units in the next stages are communicated with the water inlets of the water pump units in the upper stages. According to the combined submersible pump for the wells, the stage number of the pump can be changed at random to meet the requirements for different lifts, and the combined submersible pump can pump all water out.
Description
Technical field
The invention belongs to pump technology field, relate to a kind of submersible pump, particularly a kind of combined type well submersible pump.
Background technique
Along with the increase of water consumption and mankind itself are to the pollution of surface water resources, the exploitation of underground water is constantly to Deep Development, and well is deepened gradually, and the progression of Submerged Motor Pumps gets more and more, and people have invented well use multistage submersible pump for this reason.The Submersible Pump that current enterprise produces is formed by water pump part and motor sections fit, motor section is divided into the bottom of complete machine, water inlet portion is located at the middle part that motor is connected with water pump, and after the impeller progression of water pump part is determined, the power of supporting submersible motor is determined constant.
Existing multistage Submersible Pump complete machine can not change, and power of motor is fixed, and the progression of water pump immobilizes, and user is complete machine work when using Submersible Pump.When needs low lift works, because the progression of water pump immobilizes, work under low lift, water pump departs from efficient district and runs, and the phenomenon that pump efficiency is low, electric pump power increases occurs, and causes electric pump to consume energy and increases.When the lift needed increases, when exceeding the lift that electric pump specifies, electric pump is in high-lift lower work, water pump also can depart from the work of efficient district, causes that electric pump unit efficiency is low, electric pump power consumption increases, when lift is too high exceed the using function of electric pump time, cannot normally use, even motor damage.
Summary of the invention
The object of the invention is to there are the problems referred to above for existing technology, propose a kind of can combination with the combined type well submersible pump realizing different lift pump progression.
Object of the present invention realizes by following technical proposal:
This combined type well submersible pump, be in series by several pump unit, it is characterized in that, described pump unit comprises the pump housing with pump chamber, the lower end of the described pump housing has the water intake be communicated with pump chamber, and upper end has the water outlet be communicated with pump chamber, is provided with submersible motor in described pump chamber, the bottom of described submersible motor is provided with impeller, and the water outlet being positioned at the pump unit of subordinate is communicated with the water intake of the pump unit being positioned at higher level.
In above-mentioned combined type well submersible pump, the upper end of the described pump housing is provided with the electric machine stand in tubular structure, and described water outlet is located on this electric machine stand, and the lower end of the described pump housing is provided with pump cover, and above-mentioned water intake is located on this pump cover.
In above-mentioned combined type well submersible pump, described submersible motor comprises shielding stator, be located at the p-m rotor in stator and pass the electric power lighting outlet of the pump housing, the upper end of described p-m rotor acts on electric machine stand, lower end acts on pump cover, and above-mentioned impeller set is located at the bottom of p-m rotor.
In above-mentioned combined type well submersible pump, described pump cover is provided with bearing one, and the lower end of described p-m rotor is located in this bearing one, and described electric machine stand is provided with bearing two, and the upper end of described p-m rotor is located in this bearing two.
In above-mentioned combined type well submersible pump, between described electric power lighting outlet and the pump housing, be filled with epoxy resin.Be used for the gap between sealed electric-motor lighting outlet and the pump housing by epoxy resin, ensure that current can not enter.
In above-mentioned combined type well submersible pump, the lower end of the described pump housing is provided with has externally threaded lower joint to downward-extension, the upper end of the described pump housing be provided with upwards extend there is externally threaded upper joint, the upper joint being positioned at the pump unit of subordinate is connected with the lower joint of the pump unit being positioned at higher level.
In above-mentioned combined type well submersible pump, tapped connecting tube is provided with between pump unit in subordinate and the pump unit higher level, described connecting tube is threaded with the upper joint of the pump unit being positioned at subordinate, and this connecting tube is threaded with the lower joint of the pump unit being positioned at higher level.
In above-mentioned combined type well submersible pump, between described connecting tube and upper joint, be provided with O RunddichtringO, between described connecting tube and lower joint, be also provided with O RunddichtringO.
In above-mentioned combined type well submersible pump, the below being positioned at the pump unit of most subordinate is provided with the influent base of band filtering hole, and described influent base is threaded with the lower joint of the pump unit being positioned at most subordinate.
In above-mentioned combined type well submersible pump, the top being positioned at the pump unit of most higher level is provided with outlet pipe, and described outlet pipe is threaded with the upper joint of the pump unit being positioned at most higher level.
In above-mentioned combined type well submersible pump, described pump unit is 3.
Compared with prior art, this combined type well submersible pump has the following advantages:
All arrange submersible motor in each pump unit, user can reach the requirement of required use lift according to the progression of the height combination electric pump of different usage requirements and lift; Submersible motor adopts shielding structure, rotor is p-m rotor, the pump housing adopts shielding structure, lighting outlet adopts poured with epoxy resin, guarantee the insulated enclosure of lighting outlet, electric machine stand adopts tubular structure, and current flow into the water intake of next stage pump unit by totally enclosed stator surrounding, improves the cooling performance of submersible motor; Because water intake is positioned at bottom, solve former well submersible pump and intake from centre, difficult problem water can not drained.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of preferred embodiment provided by the invention.
Fig. 2 is the structural representation of combined type well submersible pump provided by the invention.
In figure, 1, the pump housing; 11, pump chamber; 12, water intake; 13, water outlet; 14, lower joint; 15, upper joint; 2, impeller; 3, electric machine stand; 4, pump cover; 51, stator; 52, rotor; 53, electric power lighting outlet; 61, bearing one; 62, bearing two; 7, connecting tube; 71, O RunddichtringO; 8, influent base; 9, outlet pipe.
Embodiment
Be below specific embodiments of the invention and by reference to the accompanying drawings, technological scheme of the present invention is further described, but the present invention be not limited to these embodiments.
This combined type well submersible pump, be in series by several pump unit, specifically as shown in Figure 1, pump unit comprises the pump housing 1 with pump chamber 11, the lower end of the pump housing 1 has the water intake 12 be communicated with pump chamber 11, upper end has the water outlet 13 be communicated with pump chamber 11, is provided with submersible motor in pump chamber 11, and the bottom of submersible motor is provided with impeller 2.
As shown in Figure 1, the upper end of the pump housing 1 is provided with the electric machine stand 3 in tubular structure, and water outlet 13 is located on electric machine stand 3, and the lower end of the pump housing 1 is provided with pump cover 4, and water intake 12 is located on pump cover 4.
As shown in Figure 1, submersible motor comprises shielding stator 51, be located at the p-m rotor 52 in stator 51 and pass the electric power lighting outlet 53 of the pump housing 1, wherein, epoxy resin is filled with between electric power lighting outlet 53 and the pump housing 1, the upper end of p-m rotor 52 acts on electric machine stand 3, lower end acts on pump cover 4, and impeller 2 is set in the bottom of p-m rotor 52.
Pump cover 4 is provided with bearing 1, and the lower end of p-m rotor 52 is located in this bearing 1, and electric machine stand 3 is provided with bearing 2 62, and the upper end of p-m rotor 52 is located in this bearing 2 62.
As shown in Figure 1, the lower end of the pump housing 1 is provided with has externally threaded lower joint 14 to downward-extension, the upper end of the pump housing 1 be provided with upwards extend there is externally threaded upper joint 15.
As shown in Figure 2, the combined type well submersible pump in the present embodiment is in series by 3 pump unit: be positioned at the first pump unit of most subordinate, be positioned at the second pump unit of middle rank and be positioned at the 3rd pump unit of most higher level.
Concrete, as shown in Figure 2, be provided with a connecting tube 7 between the first pump unit and the second pump unit, the lower end of this connecting tube 7 is threaded with the upper joint 15 of the first pump unit, and its upper end is threaded with the lower joint 14 of the second pump unit.As shown in Figure 2, be provided with a connecting tube 7 between the second pump unit and the 3rd pump unit, the lower end of this connecting tube 7 is threaded with the upper joint 15 of the second pump unit, and its upper end is threaded with the lower joint 14 of the 3rd pump unit.
As shown in Figure 2, between connecting tube 7 and upper joint 15, be provided with O RunddichtringO 71, between connecting tube 7 and lower joint 14, be also provided with O RunddichtringO 71.
As shown in Figure 2, the below of the first pump unit is provided with the influent base 8 of band filtering hole, and this influent base 8 is threaded with the lower joint 14 of the first pump unit.The top of the 3rd pump unit is provided with outlet pipe 9, and this outlet pipe 9 is threaded with the upper joint 15 of the 3rd pump unit.
This combined type well is as follows by the working principle of submersible pump:
When well submersible pump works, current flow into the water intake 12 of the first pump unit by influent base 8, impeller 2 High Rotation Speed under the drive of the p-m rotor 52 corresponding with it of the first pump unit, the high-pressure water flow making it produce flow into the water intake 12 of the second pump unit by the pump chamber 11 of the first pump unit and water outlet 13.
When water flow into the water intake 12 of the second pump unit, impeller 2 High Rotation Speed under the drive of the p-m rotor 52 corresponding with it of the second pump unit, the high-pressure water flow making it produce flow into the water intake 12 of the 3rd pump unit by the pump chamber 11 of the second pump unit and water outlet 13.
When water flow into the water intake 12 of the 3rd pump unit, impeller 2 High Rotation Speed under the drive of the p-m rotor 52 corresponding with it of the 3rd pump unit, the high-pressure water flow making it produce flow into outlet pipe 9 by the pump chamber 11 of the 3rd pump unit and water outlet 13, is finally flowed out by outlet pipe 9.
To the combination of pump progression to realize different lift, all can arrange submersible motor in each pump unit according to the lift demand of reality, user can reach the requirement of required use lift according to the progression of the height combination electric pump of different usage requirements and lift; Submersible motor adopts shielding structure, rotor 52 is p-m rotor 52, the pump housing 1 adopts shielding structure, lighting outlet adopts poured with epoxy resin, guarantee the insulated enclosure of lighting outlet, electric machine stand 3 adopts tubular structure, and current flow into the water intake 12 of next stage pump unit by totally enclosed stator 51 surrounding, improves the cooling performance of submersible motor; Because water intake 12 is positioned at bottom, solve former well submersible pump and intake from centre, difficult problem water can not drained.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Claims (10)
1. a combined type well submersible pump, be in series by several pump unit, it is characterized in that, described pump unit comprises the pump housing (1) with pump chamber (11), the lower end of the described pump housing (1) has the water intake (12) be communicated with pump chamber (11), upper end has the water outlet (13) be communicated with pump chamber (11), submersible motor is provided with in described pump chamber (11), the bottom of described submersible motor is provided with impeller (2), and the water outlet (13) being positioned at the pump unit of subordinate is communicated with the water intake (12) of the pump unit being positioned at higher level.
2. combined type well submersible pump according to claim 1, it is characterized in that, the upper end of the described pump housing (1) is provided with the electric machine stand (3) in tubular structure, described water outlet (13) is located on this electric machine stand (3), the lower end of the described pump housing (1) is provided with pump cover (4), and above-mentioned water intake (12) is located on this pump cover (4).
3. combined type well submersible pump according to claim 2, it is characterized in that, described submersible motor comprises shielding stator (51), be located at the p-m rotor (52) in stator (51) and pass the electric power lighting outlet (53) of the pump housing (1), the upper end of described p-m rotor (52) acts on electric machine stand (3), lower end acts on pump cover (4), and above-mentioned impeller (2) is set in the bottom of p-m rotor (52).
4. combined type well submersible pump according to claim 3, it is characterized in that, described pump cover (4) is provided with bearing one (61), the lower end of described p-m rotor (52) is located in this bearing one (61), described electric machine stand (3) is provided with bearing two (62), and the upper end of described p-m rotor (52) is located in this bearing two (62).
5. the combined type well submersible pump according to claim 1 or 2 or 3 or 4, it is characterized in that, the lower end of the described pump housing (1) is provided with has externally threaded lower joint (14) to downward-extension, the upper end of the described pump housing (1) be provided with upwards extend there is externally threaded upper joint (15), the upper joint (15) being positioned at the pump unit of subordinate is connected with the lower joint (14) of the pump unit being positioned at higher level.
6. combined type well submersible pump according to claim 5, it is characterized in that, tapped connecting tube (7) is provided with between pump unit in subordinate and the pump unit higher level, described connecting tube (7) is threaded with the upper joint (15) of the pump unit being positioned at subordinate, and this connecting tube (7) is threaded with the lower joint (14) of the pump unit being positioned at higher level.
7. combined type well submersible pump according to claim 6, it is characterized in that, be provided with O RunddichtringO (71) between described connecting tube (7) and upper joint (15), between described connecting tube (7) and lower joint (14), be also provided with O RunddichtringO (71).
8. the combined type well submersible pump according to claim 1 or 2 or 3 or 4, it is characterized in that, the below being positioned at the pump unit of most subordinate is provided with the influent base (8) of band filtering hole, and described influent base (8) is threaded with the lower joint (14) of the pump unit being positioned at most subordinate.
9. the combined type well submersible pump according to claim 1 or 2 or 3 or 4, it is characterized in that, the top being positioned at the pump unit of most higher level is provided with outlet pipe (9), and described outlet pipe (9) is threaded with the upper joint (15) of the pump unit being positioned at most higher level.
10. combined type well submersible pump according to claim 1, is characterized in that, described pump unit is 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510351350.7A CN105041677A (en) | 2015-06-24 | 2015-06-24 | Combined submersible pump for wells |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510351350.7A CN105041677A (en) | 2015-06-24 | 2015-06-24 | Combined submersible pump for wells |
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| Publication Number | Publication Date |
|---|---|
| CN105041677A true CN105041677A (en) | 2015-11-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510351350.7A Pending CN105041677A (en) | 2015-06-24 | 2015-06-24 | Combined submersible pump for wells |
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| CN (1) | CN105041677A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106545054A (en) * | 2016-12-07 | 2017-03-29 | 宜春市龙腾机械电气有限公司 | A kind of ultradeep well multi-ladder water lift photovoltaic solar water system |
| CN110838778A (en) * | 2019-12-20 | 2020-02-25 | 东莞市屹腾源机电设备有限公司 | Drum motor |
| CN110855113A (en) * | 2019-12-19 | 2020-02-28 | 东莞市屹腾源机电设备有限公司 | Electric roller |
| CN111966956A (en) * | 2020-08-25 | 2020-11-20 | 河北省水资源研究与水利技术试验推广中心 | Method for calculating head and flow of multi-stage submersible pump for well |
| CN112502997A (en) * | 2020-11-30 | 2021-03-16 | 江苏德华泵业有限公司 | Emergent fire pump of formula of diving floats |
| WO2023153068A1 (en) * | 2022-02-09 | 2023-08-17 | 株式会社荏原製作所 | Pump unit |
| GB2617380A (en) * | 2022-04-07 | 2023-10-11 | Baker Hughes Energy Tech Uk Limited | Pump system |
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| JPH07243392A (en) * | 1994-03-01 | 1995-09-19 | Ebara Corp | Pump unit |
| WO2005039745A1 (en) * | 2003-10-16 | 2005-05-06 | Basell Poliolefine Italia S.R.L. | Process for the continuous production of emulsions |
| JP2006097494A (en) * | 2004-09-28 | 2006-04-13 | Bay City Service Co Ltd | Electric pump |
| CN203374442U (en) * | 2012-03-16 | 2014-01-01 | 马勒国际有限公司 | Pump module and automobile having internal combustion engine and at least one pump module |
-
2015
- 2015-06-24 CN CN201510351350.7A patent/CN105041677A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07243392A (en) * | 1994-03-01 | 1995-09-19 | Ebara Corp | Pump unit |
| WO2005039745A1 (en) * | 2003-10-16 | 2005-05-06 | Basell Poliolefine Italia S.R.L. | Process for the continuous production of emulsions |
| JP2006097494A (en) * | 2004-09-28 | 2006-04-13 | Bay City Service Co Ltd | Electric pump |
| CN203374442U (en) * | 2012-03-16 | 2014-01-01 | 马勒国际有限公司 | Pump module and automobile having internal combustion engine and at least one pump module |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106545054A (en) * | 2016-12-07 | 2017-03-29 | 宜春市龙腾机械电气有限公司 | A kind of ultradeep well multi-ladder water lift photovoltaic solar water system |
| CN110855113A (en) * | 2019-12-19 | 2020-02-28 | 东莞市屹腾源机电设备有限公司 | Electric roller |
| CN110838778A (en) * | 2019-12-20 | 2020-02-25 | 东莞市屹腾源机电设备有限公司 | Drum motor |
| CN111966956A (en) * | 2020-08-25 | 2020-11-20 | 河北省水资源研究与水利技术试验推广中心 | Method for calculating head and flow of multi-stage submersible pump for well |
| CN111966956B (en) * | 2020-08-25 | 2024-01-26 | 河北省水资源研究与水利技术试验推广中心 | Method for calculating lift and flow of multi-stage submersible pump for well |
| CN112502997A (en) * | 2020-11-30 | 2021-03-16 | 江苏德华泵业有限公司 | Emergent fire pump of formula of diving floats |
| WO2023153068A1 (en) * | 2022-02-09 | 2023-08-17 | 株式会社荏原製作所 | Pump unit |
| GB2617380A (en) * | 2022-04-07 | 2023-10-11 | Baker Hughes Energy Tech Uk Limited | Pump system |
| GB2617380B (en) * | 2022-04-07 | 2024-06-05 | Baker Hughes Energy Tech Uk Limited | Pump system |
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Application publication date: 20151111 |