CN210509610U - Novel vertical energy-saving self-priming pump - Google Patents
Novel vertical energy-saving self-priming pump Download PDFInfo
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- CN210509610U CN210509610U CN201921329865.7U CN201921329865U CN210509610U CN 210509610 U CN210509610 U CN 210509610U CN 201921329865 U CN201921329865 U CN 201921329865U CN 210509610 U CN210509610 U CN 210509610U
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- 239000007788 liquid Substances 0.000 claims abstract description 61
- 238000000926 separation method Methods 0.000 claims abstract description 33
- 230000037452 priming Effects 0.000 abstract description 7
- 239000012530 fluid Substances 0.000 description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a novel vertical energy-saving self-priming pump, which comprises a pump body, wherein the bottom end of the pump body is communicated with a volute, the top end of the pump body is provided with a driving mechanism through a bracket, an output shaft of the driving mechanism is vertically inserted into the pump body and extends to the volute, a mechanical seal is arranged between the output shaft and the pump body, the end part of the output shaft is fixed with an impeller, the working surface of the impeller is arranged upwards, a liquid storage chamber is formed inside the pump body above the impeller, one side surface of the liquid storage chamber is provided with a suction inlet, the other side surface of the liquid storage chamber is provided with a backflow outlet, the side outlet of the volute is communicated with a gas-liquid separation chamber; a gas-liquid separation room side is equipped with exhaust mechanism, and the backward flow entry has been seted up to the another side, through backward flow mechanism intercommunication between backward flow entry and backward flow export, the utility model discloses simple structure, the cost is very low, can effectively reduce the power loss, improves self priming pump work efficiency.
Description
Technical Field
The utility model relates to a self priming pump technical field, concretely relates to novel vertical energy-conserving self priming pump.
Background
The self-sucking pump is a pump which sucks water up under the action of the self-sucking pump in the starting stage and is put into normal operation. Through the special structure of the self-priming pump, the water can be poured when the self-priming pump is started for the first time, and the water does not need to be poured in advance when the self-priming pump is started later. The traditional self-priming centrifugal pump is mostly of a horizontal structure, and the centrifugal pump with the structure is widely used for drainage and irrigation, petroleum, chemical engineering, food, environmental protection treatment and other projects. However, the horizontal self-priming pump has a relatively complex structure, and is particularly difficult to adapt to the condition that the working condition of media containing solid particles and other media is severe, and the efficiency is low. Therefore, in recent years, a vertical self-priming pump which has a relatively simple structure and mainly comprises an impeller, a pump body, a gas-liquid separation chamber, a shaft, a check valve and the like is developed in China according to the special application requirements.
However, the water suction port of the existing vertical self-priming pump is generally arranged downwards, the suction resistance of the self-priming pump is large, and the efficiency is low; the closing of the return pipeline of the existing self-priming pump is usually realized by adopting a mode of manually closing a valve or monitoring and closing the valve by an automatic control device, the former consumes manpower, and the accuracy of closing time cannot be ensured, so that certain flow waste is caused; the latter has higher cost and low popularity.
Therefore, it is necessary to develop a new type of vertical energy-saving self-priming pump.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel vertical energy-conserving self priming pump, this self priming pump simple structure, it is very low with the cost, can effectively reduce the power loss, improve self priming pump work efficiency.
In order to realize the purpose, the utility model has the advantages that:
a novel vertical energy-saving self-priming pump comprises a pump body, wherein the bottom end of the pump body is communicated with a volute, the top end of the pump body is provided with a driving mechanism through a support, an output shaft of the driving mechanism is vertically inserted into the pump body and extends to the volute, a mechanical seal is arranged between the output shaft and the pump body, the end part of the output shaft is fixed with an impeller, the working surface of the impeller is arranged upwards, a liquid storage chamber is formed inside the pump body above the impeller, one side surface of the liquid storage chamber is provided with a suction inlet, the other side surface of the liquid storage chamber is provided with a backflow outlet, the side surface outlet of the volute is communicated with a gas-liquid separation chamber arranged above the volute through a discharge bent pipe, the bottom end; one side surface of the gas-liquid separation chamber is provided with an exhaust mechanism, the other side surface of the gas-liquid separation chamber is provided with a backflow inlet, and the backflow inlet is communicated with the backflow outlet through a backflow mechanism.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the impeller of the utility model is arranged in the volute at the bottom, the working surface of the impeller is arranged upwards, the liquid storage chamber is formed above the impeller, the suction inlet is arranged at the side surface of the liquid storage chamber, so that the large resistance and low efficiency caused by the downward suction inlet are avoided, the energy-saving effect of the self-priming pump is greatly improved, and the power loss is reduced;
2. the utility model discloses the gas-liquid separation room sets up in the impeller top, has increased the stop formation and the time of the gas-liquid mixture body that throws away along the spiral case under the impeller effect to increase gas-liquid separation efficiency, further improved the work efficiency from the priming pump.
Further, the exhaust mechanism comprises an exhaust port arranged on the side face of the gas-liquid separation chamber, the height of the exhaust port is higher than that of the backflow inlet, an exhaust valve is arranged on the exhaust port, the exhaust valve is opened when the exhaust valve is at low pressure, and the exhaust valve is automatically closed when the pressure reaches a preset value.
By adopting the above scheme, the exhaust valve can automatically control the opening and closing of the exhaust port, the exhaust port is opened in the initial state, the gas in the liquid storage chamber is discharged from the exhaust port, when the gas in the liquid storage chamber is completely discharged, the fluid rapidly enters the pump body from the suction port and enters the gas-liquid separation chamber through the volute, a certain pressure is given to the exhaust valve, the exhaust valve is automatically closed, and the fluid is discharged from the upper check valve.
Furthermore, the backflow mechanism comprises a backflow pipe and a backflow control valve, the backflow pipe is communicated with the backflow inlet and the backflow outlet, the backflow control valve is arranged on the backflow pipe, the backflow control valve is opened when the pressure is low, and the backflow control valve is automatically closed when the pressure reaches a preset value.
By adopting the scheme, the fluid entering the gas-liquid separation chamber through the volute is subjected to gas-liquid separation and then flows back to the liquid storage chamber through the return pipeline, and the fluid pressure is lower at the moment; when the gas in the liquid storage chamber is completely discharged and is in a vacuum state, fluid quickly enters the pump body from the suction inlet, enters the gas-liquid separation chamber through the volute, then enters the return pipe, gives a certain pressure to the return control valve, the return control valve is automatically closed, and the fluid is discharged from the check valve above, so that the flow loss caused by the return flow is avoided, the structure is simple, and the cost is low.
Further, the backflow inlet and the backflow outlet are at the same level.
By adopting the scheme, the fluid in the gas-liquid separation chamber can flow back through the return pipeline conveniently and quickly.
Further, the driving mechanism is a driving motor.
Further, the height of the suction inlet is higher than that of the backflow outlet.
By adopting the scheme, the normal backflow of the fluid in the gas-liquid separation chamber is prevented from being influenced by the overhigh height of the backflow outlet.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention
Shown in the figure:
1. a pump body; 101. a liquid storage chamber; 102. a suction inlet; 103. a return outlet;
2. a volute;
3. a drive motor; 301. an output shaft;
4. mechanical sealing;
5. an impeller;
6. discharging the bent pipe;
7. a gas-liquid separation chamber; 701. an exhaust port; 702. a reflux inlet; 703. an exhaust valve;
8. a check valve;
9. a return pipe;
10. and a reflux control valve.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience of description and simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting.
Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
As shown in fig. 1, the novel vertical energy-saving self-priming pump provided by the embodiment comprises a pump body 1, wherein a volute 2 is communicated with the bottom end of the pump body 1, a driving motor 3 is mounted on the top end of the pump body 1 through a support, an output shaft 301 of the driving motor 3 is vertically inserted into the pump body 1 and extends to the volute 2, a mechanical seal 4 is arranged between the output shaft 301 and the pump body 1, and an impeller 5 is fixed at the end of the output shaft 301.
The impeller 5 is arranged with its working surface facing upward, and a liquid reservoir 101 is formed inside the pump body 1 above the impeller 5.
A suction inlet 102 is arranged on one side surface of the liquid storage chamber 101, a backflow outlet 103 is arranged on the other side surface of the liquid storage chamber, the outlet on the side surface of the volute 2 is communicated with a gas-liquid separation chamber 7 arranged above the volute through a discharge elbow 6, the bottom end of the gas-liquid separation chamber 7 is connected with the discharge elbow 6, and the top end of the gas-liquid separation chamber is communicated with a check valve 8.
And an exhaust mechanism is arranged on one side surface of the gas-liquid separation chamber 7, the exhaust mechanism comprises an exhaust port 701 arranged on the side surface of the gas-liquid separation chamber 7, the height of the exhaust port 701 is higher than that of the backflow inlet 702, an exhaust valve 703 is arranged on the exhaust port 701, the exhaust valve 703 is opened when the pressure is low, and the exhaust valve is automatically closed when the pressure reaches a preset value.
The exhaust valve 703 can automatically control the opening and closing of the exhaust port 701, the exhaust port 701 is opened in an initial state, the gas in the liquid storage chamber 101 is exhausted from the exhaust port 701, when the gas in the liquid storage chamber 101 is exhausted completely and is in a vacuum state, the fluid quickly enters the pump body 1 from the suction port 102 and enters the gas-liquid separation chamber 7 through the volute 2, a certain pressure is applied to the exhaust valve 703, the exhaust valve 703 is automatically closed, and the fluid is exhausted from the upper check valve 8.
The other side surface is provided with a backflow inlet 702, and the backflow inlet 702 is communicated with the backflow outlet 103 through a backflow mechanism. The backflow mechanism comprises a backflow pipe 9 and a backflow control valve 10, wherein the backflow pipe 9 is communicated with the backflow inlet 702 and the backflow outlet 103, the backflow control valve 10 is arranged on the backflow pipe 9, the backflow control valve 10 is opened when the pressure is low, and the backflow control valve is automatically closed when the pressure reaches a preset value.
After the fluid entering the gas-liquid separation chamber 7 through the volute 2 is subjected to gas-liquid separation, the fluid returns to the liquid storage chamber 101 through the return pipe 9, and the fluid pressure is lower at the moment; when the gas in the liquid storage chamber 101 is completely discharged and is in a vacuum state, the fluid quickly enters the pump body 1 from the suction port 102, enters the gas-liquid separation chamber 7 through the volute 2, then enters the return pipe 9, gives a certain pressure to the return control valve 10, automatically closes the return control valve 10, and is discharged from the upper check valve 8, so that the flow loss caused by the return flow is avoided, the structure is simple, and the cost is low.
The backflow inlet 702 and the backflow outlet 103 are at the same level, so that the fluid in the gas-liquid separation chamber 7 can flow back through the backflow pipe 9 quickly.
The height of the suction inlet 102 is higher than that of the backflow outlet 103, so that the influence of the overhigh height of the backflow outlet 103 on the normal backflow of the fluid in the gas-liquid separation chamber 7 is avoided, and the accumulation of too much fluid in the liquid storage chamber 101 is also avoided.
The impeller 5 of the embodiment is arranged in the volute 2 at the bottom, the working surface of the impeller 5 is arranged upwards, the liquid storage chamber 101 is formed above the impeller 5, and the suction port 102 is arranged on the side surface of the liquid storage chamber 101, so that the large resistance and low efficiency caused by the fact that the suction port 102 faces downwards are avoided, the energy-saving effect of the self-priming pump is greatly improved, and the power loss is reduced;
the gas-liquid separation chamber 7 is arranged above the impeller 5, so that the retention formation and the retention time of a gas-liquid mixture thrown out along the volute 2 under the action of the impeller 5 are increased, the gas-liquid separation efficiency is increased, and the working efficiency of the self-priming pump is further improved.
In the specification of the present invention, a large number of specific details are explained. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (6)
1. A novel vertical energy-saving self-priming pump is characterized by comprising a pump body, wherein the bottom end of the pump body is communicated with a volute, the top end of the pump body is provided with a driving mechanism through a support, an output shaft of the driving mechanism is vertically inserted into the pump body and extends to the volute, a mechanical seal is arranged between the output shaft and the pump body, the end part of the output shaft is fixed with an impeller, the working surface of the impeller is arranged upwards, a liquid storage chamber is formed inside the pump body above the impeller, one side surface of the liquid storage chamber is provided with a suction inlet, the other side surface of the liquid storage chamber is provided with a backflow outlet, the side outlet of the volute is communicated with a gas-liquid separation chamber arranged above the volute through a discharge bent pipe, the bottom end of the; one side surface of the gas-liquid separation chamber is provided with an exhaust mechanism, the other side surface of the gas-liquid separation chamber is provided with a backflow inlet, and the backflow inlet is communicated with the backflow outlet through a backflow mechanism.
2. The novel vertical energy-saving self-priming pump according to claim 1, wherein the exhaust mechanism comprises an exhaust port formed in the side surface of the gas-liquid separation chamber, the exhaust port is higher than the backflow inlet, the exhaust port is provided with an exhaust valve, the exhaust valve is opened at low pressure and automatically closed when the pressure reaches a preset value.
3. The novel vertical energy-saving self-priming pump according to claim 1, wherein the return mechanism comprises a return pipe communicating the return inlet and the return outlet, and a return control valve disposed on the return pipe, the return control valve being opened at a low pressure and automatically closed when the pressure reaches a predetermined value.
4. The novel vertical energy-saving self-priming pump of claim 1 wherein the return inlet and the return outlet are at the same level.
5. The novel vertical energy-saving self-priming pump of claim 1 wherein said drive mechanism is a drive motor.
6. The novel vertical energy-saving self-priming pump according to any one of claims 1 to 5, wherein the height of the suction inlet is higher than the height of the return outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921329865.7U CN210509610U (en) | 2019-08-15 | 2019-08-15 | Novel vertical energy-saving self-priming pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921329865.7U CN210509610U (en) | 2019-08-15 | 2019-08-15 | Novel vertical energy-saving self-priming pump |
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| Publication Number | Publication Date |
|---|---|
| CN210509610U true CN210509610U (en) | 2020-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921329865.7U Active CN210509610U (en) | 2019-08-15 | 2019-08-15 | Novel vertical energy-saving self-priming pump |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113137372A (en) * | 2021-05-27 | 2021-07-20 | 淄博鲁明泵业有限公司 | Negative pressure type non-sealing vertical fluorine-lined centrifugal pump |
| CN115182882A (en) * | 2022-06-25 | 2022-10-14 | 湖南普世节能泵业有限公司 | Vertical self-priming pump |
| CN115822981A (en) * | 2022-12-23 | 2023-03-21 | 常熟理工学院 | Self-priming pump equipment |
| CN118564468A (en) * | 2024-07-30 | 2024-08-30 | 江苏科曼机械制造有限公司 | A petrochemical process pump and its pipeline structure |
-
2019
- 2019-08-15 CN CN201921329865.7U patent/CN210509610U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113137372A (en) * | 2021-05-27 | 2021-07-20 | 淄博鲁明泵业有限公司 | Negative pressure type non-sealing vertical fluorine-lined centrifugal pump |
| CN115182882A (en) * | 2022-06-25 | 2022-10-14 | 湖南普世节能泵业有限公司 | Vertical self-priming pump |
| CN115822981A (en) * | 2022-12-23 | 2023-03-21 | 常熟理工学院 | Self-priming pump equipment |
| CN118564468A (en) * | 2024-07-30 | 2024-08-30 | 江苏科曼机械制造有限公司 | A petrochemical process pump and its pipeline structure |
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