CN203098377U - Energy-saving constant-pressure sinking pump - Google Patents
Energy-saving constant-pressure sinking pump Download PDFInfo
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- CN203098377U CN203098377U CN 201320094292 CN201320094292U CN203098377U CN 203098377 U CN203098377 U CN 203098377U CN 201320094292 CN201320094292 CN 201320094292 CN 201320094292 U CN201320094292 U CN 201320094292U CN 203098377 U CN203098377 U CN 203098377U
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Abstract
The utility model discloses an energy-saving constant-pressure sinking pump which comprises a pump body, wherein the pump body is provided with a pump shaft provided with a plurality of impellers, blades are arranged on the impellers which are rotational flow half-open type impellers, outlet angles of the blades are relatively large, inlet angles are relatively small, and the blades are of inlet retroverted structures. The energy-saving constant-pressure sinking pump has the advantages that a rotational flow type and a centrifugal type are combined, constant pressure is kept when the flow changes, outlet pressure is constant, starting moment is small, the single-way lift is improved by one time, efficiency is high, the structure is compact, cost is saved, installation and maintenance are convenient, energy consumption is reduced, and economical benefits and social benefits are improved.
Description
Technical field
The utility model relates to a kind of submersible pump, and specifically a kind of energy-efficient constant voltage submersible pump belongs to the submersible pump field.
Background technique
Submersible pump is usually as the visual plant of deep-well water lift.The whole unit work that pulls the plug during use.Underground water is extracted the face of land, be to speedily carry out rescue work in domestic water, mine, industrial cooling, field irrigation, seawater promote, steamer is transferred and carried, also can be used for the fountain view, the hot water submersible pump is used for the hot spring bathing, also applicable to from deep-well, extracting underground water, and be used for water lift engineerings such as river, reservoir, water channel.Along with the continuous development of China's waterpower cause, phreatic continuous exploitation utilization, level of ground water constantly descends, and more and more higher to the lift requirement of Submerged Motor Pumps, the submersible pump lift is high more, and the height of pump is high more, and progression is many more; The progression of pump is many more, and machinery and water conservancy loss are big more, and power consumption increases, and pump efficiency is low, and social benefit is low.
In urban construction and drip irrigation corollary equipment, agricultural irrigation is mainly based on well irrigation, and spray, drip irrigation or sub-irrigation are generally adopted in water-saving irrigation, and it requires current must have pressure stable.Because existing spray in the market, irrigation pump need just can reach constant pressure water supply by surge tank or variable-frequency and variable-speed device, and this type of is equipped with the equipment price height, and exists problems such as troublesome maintenance, cost of production are big, Environmental Conditions is restricted.
The model utility content
In order to address the above problem, the utility model has designed a kind of energy-efficient constant voltage submersible pump, adopt rotary flow type and centrifugal combining, when changes in flow rate, can keep constant voltage, outlet pressure is constant, starting torque is little, noise is low, vibrations are little, the high-lift of low specific-speed centrifugal pump can be provided, the constant-voltage characteristic that has torque flow pump again, single-stage lift is doubled, under the situation that maximum outside diameter does not increase, has kept pump efficiency more than 76%, the efficient height, compact structure has been saved cost, and is convenient for installation and maintenance.
The technical solution of the utility model is:
A kind of energy-conservation constant voltage submersible pump, comprise the pump housing, one end of the described pump housing is the water inlet joint, the described pump housing is provided with pump shaft, described pump shaft is provided with some impellers, described impeller is provided with blade, the periphery of each impeller is equipped with blower inlet casing, continuous blower inlet casing is tightly connected, described impeller is fixed on the described pump shaft by tapered sleeve, described pump shaft is fixed on the described pump housing by pump guide bearing and rubber bush bearing, and described pump guide bearing is arranged on the water inlet joint end of the described pump housing, and described rubber bush bearing is arranged in the described blower inlet casing.
Described impeller is the eddy flow semi-open impeller, and blade outlet angle is bigger, and inlet angle is less, has guaranteed to produce high-lift; In addition, select bigger inlet flow rate for use, reduced suction eye diameter and impeller outer diameter.
Described blade adopts import hypsokinesis structure, has reduced the impact force when current enter blade, adopts the large outlet angle greater than 90 ° simultaneously, has promoted the eddy flow tangential velocity, has reduced axial force and axially leakage, has improved operating reliability; Reduced subtended angle of blade, blade changes half distortion into by full distortion.
Centrifugal pump of the present utility model is the higher specific speed centrifugal pump, and rotating speed 2900r/min has reduced the water pump volume and weight.
In addition, impeller diameter reduces, and has effectively improved working efficiency, and range of flow is 20～250m3/h, and the highest single-stage lift can reach 120m, and lift changes from closing dead point (zero delivery) to peak rate of flow, and lift changes less than 5 %.
Simultaneously, adopt the loose type gap design, reduced the gap between eddy flow impeller and the front pump shell, improved working efficiency, reduced noise.
Adopt submersible pump of the present utility model single-stage lift can be doubled, single-stage lift is 40m, 42m, and single-stage lift 20m, 21m among the existing GB GB/T2816 are under the situation that maximum outside diameter does not increase, keep pump efficiency more than 76%, saved cost.And the pump external diameter is big more with regard to big more flow in the submersible pump design, and single-stage lift is high more, and pump efficiency is just low more.
The utility model demand of water-saving irrigation of having combined closely to submersible pump, need not to be equipped with any affiliated facility and just can realize constant pressure, can be when changes in flow rate, both satisfied the lift height, can guarantee that again lift is invariable, have simultaneously that starting torque is little, stable performance, noise is low, vibration is little, efficient is high, compact structure, advantage such as convenient for installation and maintenance.Compare the requirement that traditional submersible pump more can satisfy modern urban construction and drip irrigation corollary equipment, the development need that meets this area modernization agricultural industry, can effectively serve the innovation service platform of Technological Innovation of Small and Medium Enterprises and industrial upgrading, positive promoting effect is played in economic development.
Advantage of the present utility model is:
Adopt rotary flow type and centrifugal combining, keep constant voltage when changes in flow rate, outlet pressure is constant, starting torque is little, and single-stage lift is doubled, the efficient height, compact structure has been saved cost, convenient for installation and maintenance, reduced power consumption, improved economic benefit and social benefit;
Small volume is lighter by 1/3rd than the centrifugal pump of same performance;
Constant pressure; From close the dead point be zero delivery to peak rate of flow, lift changes less than 5%;
High efficiency; Efficient than the tangent pump of same performance exceeds 10 percentage points;
High-lift; Single-stage lift can reach 120m, and impeller diameter is littler by 15% than single stage centrifugal pump;
Low noise; Because of diving beneath the water work, noise is little, than conventional centrifugal pump and the low 30～50dB of tangent pump.
The utility model is described in further detail below in conjunction with drawings and Examples.
Description of drawings
Fig. 1 is the sectional view of the utility model embodiment submersible pump;
Among the figure: the 1-pump housing, 2-pump shaft, 3-impeller, 4-tapered sleeve, 5-blower inlet casing, 6-pump guide bearing, 7-rubber bush bearing, the 8-joint of intaking.
Embodiment
A kind of energy-efficient submersible pump, comprise the pump housing 1, one end of the described pump housing 1 is water inlet joint 8, the described pump housing 1 is provided with pump shaft 2, described pump shaft 2 is provided with some impellers 3, described impeller 3 is provided with blade, the periphery of each impeller 3 is equipped with blower inlet casing 5, the blower inlet casing 5 that links to each other is sealedly and fixedly connected, described impeller 3 is fixed on the described pump shaft 2 by tapered sleeve 4, described pump shaft 2 is fixed on the described pump housing 1 by pump guide bearing 6 and rubber bush bearing 7, and described pump guide bearing 6 is arranged on the water inlet joint end of the described pump housing 1, and described rubber bush bearing 7 is arranged in the blower inlet casing 5;
Impeller is the eddy flow semi-open impeller, and blade outlet angle is bigger, and inlet angle is less, has guaranteed to produce high-lift; Select bigger inlet flow rate for use, reduce suction eye diameter and impeller outer diameter;
Blade adopts import hypsokinesis structure, has reduced the impact force when current enter blade, adopts the large outlet angle greater than 90 ° simultaneously, has promoted the eddy flow tangential velocity, has reduced axial force and axially leakage, has improved operating reliability; Reduced subtended angle of blade, blade changes half distortion into by full distortion.
The utility model centrifugal pump is the higher specific speed centrifugal pump, and rotating speed 2900r/min has reduced the water pump volume and weight.
In addition, impeller diameter reduces, and has effectively improved working efficiency, and range of flow is 20～250m3/h, and the highest single-stage lift can reach 120m, and lift changes from closing dead point (zero delivery) to peak rate of flow, and lift changes less than 5 %; Simultaneously, adopt the loose type gap design, reduced the gap between eddy flow impeller and the front pump shell, improved working efficiency, reduced noise.
It should be noted that at last: the above only is preferred embodiment of the present utility model, be not limited to the utility model, although the utility model is had been described in detail with reference to previous embodiment, for a person skilled in the art, it still can be made amendment to the technological scheme that aforementioned each embodiment put down in writing, and perhaps part technical characteristics wherein is equal to replacement.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (3)
1. energy-conservation constant voltage submersible pump, it is characterized in that: comprise the pump housing, one end of the described pump housing is the water inlet joint, the described pump housing is provided with pump shaft, described pump shaft is provided with some impellers, described impeller is provided with blade, the periphery of each impeller is equipped with blower inlet casing, described continuous blower inlet casing is tightly connected, described impeller is fixed on the described pump shaft by tapered sleeve, described pump shaft is fixed on the described pump housing by pump guide bearing and rubber bush bearing, and described pump guide bearing is arranged on the water inlet joint end of the described pump housing, and described rubber bush bearing is arranged in the described blower inlet casing;
Described impeller is an eddy flow semi-open impeller structure; Described blade adopts import hypsokinesis structure, and exit angle is greater than 90 °.
2. energy-conservation constant voltage submersible pump according to claim 1 is characterized in that: described blade is half distorted-structure structure.
3. energy-conservation constant voltage submersible pump according to claim 1, it is characterized in that: the exit angle of described blade is bigger than inlet angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320094292 CN203098377U (en) | 2013-03-01 | 2013-03-01 | Energy-saving constant-pressure sinking pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320094292 CN203098377U (en) | 2013-03-01 | 2013-03-01 | Energy-saving constant-pressure sinking pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203098377U true CN203098377U (en) | 2013-07-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320094292 Expired - Fee Related CN203098377U (en) | 2013-03-01 | 2013-03-01 | Energy-saving constant-pressure sinking pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203098377U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443214A (en) * | 2018-05-22 | 2018-08-24 | 三联泵业股份有限公司 | A kind of vertical pump |
-
2013
- 2013-03-01 CN CN 201320094292 patent/CN203098377U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443214A (en) * | 2018-05-22 | 2018-08-24 | 三联泵业股份有限公司 | A kind of vertical pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20190301 |