CN210068481U - Self-driven axial flow mixed flow pump - Google Patents
Self-driven axial flow mixed flow pump Download PDFInfo
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- CN210068481U CN210068481U CN201920334782.0U CN201920334782U CN210068481U CN 210068481 U CN210068481 U CN 210068481U CN 201920334782 U CN201920334782 U CN 201920334782U CN 210068481 U CN210068481 U CN 210068481U
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Abstract
The utility model discloses a self-driven axial compressor mixed flow pump, including first body, second body, first impeller and second impeller, the one end of first body is equipped with the fluid outlet, and in the exit end of second body can the cover located first body, first impeller was located in the first body, and in the exit end of second body was located to the second impeller, the second impeller was connected with first impeller. In the device of the utility model, high-pressure fluid enters the equipment from the first pipe body, and when flowing through the first impeller, the high-pressure fluid drives the first impeller to rotate, and simultaneously certain kinetic energy is lost, and the pressure is reduced; after the first impeller drives the second impeller to rotate, the blades of the second impeller, which are in contact with the low-pressure fluid, generate a forward thrust on the low-pressure fluid, so that the pressure of the low-pressure fluid in the second pipe body is increased, a suction force is generated at a low-pressure fluid inlet, and the low-pressure fluid is sucked into equipment; after the two fluids are mixed, the mixture is discharged out of the equipment through a fluid outlet, and the discharge pressure is lower than the inlet pressure of the high-pressure fluid and higher than the inlet pressure of the low-pressure fluid.
Description
Technical Field
The utility model relates to a need not electric drive's fluid mixing apparatus field, in particular to self-driven axial compressor mixed flow pump.
Background
In the fluid conveying process, there are often situations in which it is necessary to mix and convey two fluids with different pressures. When low-pressure fluid is mixed into high-pressure fluid, the pressure of the low-pressure fluid is increased to be equivalent to that of the high-pressure fluid through fluid pressurization equipment such as a pump, a compressor and the like, and then the low-pressure fluid and the high-pressure fluid are mixed and conveyed; when the high-pressure fluid is mixed into the low-pressure fluid, the high-pressure fluid is required to be mixed and conveyed after the pressure of the high-pressure fluid is reduced to be equivalent to that of the low-pressure fluid through fluid pressure reduction equipment such as a turbine, a pressure reduction valve, a regulating valve and the like. In the process of pressurizing low-pressure fluid, the pressurizing equipment needs to consume extra electric energy or mechanical energy, and in the process of depressurizing the fluid, the depressurizing equipment needs to consume the kinetic energy of the fluid, so that the energy is wasted.
SUMMERY OF THE UTILITY MODEL
The utility model provides a self-driven axial compressor mixed flow pump can solve one or several kinds among the above-mentioned prior art problem.
According to an aspect of the present invention, there is provided a self-driven axial-flow mixed-flow pump, comprising
A first tube body, one end of the first tube body is provided with a fluid outlet, the first tube body is communicated with the fluid outlet,
a second pipe body, the outlet end of the second pipe body can be sleeved in the first pipe body,
a first impeller disposed within the first tube, and,
a second impeller arranged in the outlet end of the second pipe body, the second impeller is connected with the first impeller,
the first impeller can drive the second impeller to rotate, or,
the second impeller can drive and carry out first impeller and rotate.
The utility model has the advantages that high-pressure fluid enters the equipment from the first pipe body, and when flowing through the first impeller, the high-pressure fluid drives the first impeller to rotate, and simultaneously certain kinetic energy is lost, and the pressure is reduced; after the first impeller drives the second impeller to rotate, the blades of the second impeller, which are in contact with the low-pressure fluid, generate a forward thrust on the low-pressure fluid, so that the pressure of the low-pressure fluid in the second pipe body is increased, a suction force is generated at a low-pressure fluid inlet, and the low-pressure fluid is sucked into equipment; after the two fluids are mixed, the mixture is discharged out of the equipment through a fluid outlet, and the discharge pressure is lower than the inlet pressure of the high-pressure fluid and higher than the inlet pressure of the low-pressure fluid. The utility model discloses a device, high-pressure fluid do get into from the second body, and at this moment, the second impeller is the drive impeller, drives first impeller and rotates, and first impeller is driven impeller to low-pressure fluid gets into from first body. Compared with the traditional fluid supercharging equipment, the device of the utility model does not need external force to drive, the rotating part does not need mechanical seal, the equipment structure is simple, and the manufacture and installation are convenient; the equipment can automatically realize equal proportion mixing of high-pressure fluid and low-pressure fluid, and no additional flow regulation facility is required to be arranged on a pipeline; the loss of mechanical energy of the equipment is small, the kinetic energy of the high-pressure fluid can be efficiently converted into the kinetic energy of the low-pressure fluid, and the energy consumption in the fluid mixing process is effectively reduced; the equipment has certain fluid mixing function and can replace fluid mixing equipment such as a static mixer and the like.
The device of the present application may be suitable for use in the following relevant situations: mixing steam with different grades; mixing the fluid with pressure with the fluid with normal pressure or negative pressure; on-line cyclic sampling of the fluid; fluid is mixed in equal proportion; because of the difficulty of mechanical sealing, it is not easy to use a pump or a compressor to pressurize the process medium, such as the process medium with stronger corrosivity or lower temperature.
In some embodiments, the first impeller and the second impeller are capable of coaxial rotation via a drive shaft. The beneficial effects are that, because first impeller and second impeller are fixed on the same axle, the rotation of first impeller has also driven the rotation of second impeller, and both have the same angular velocity, can synchronous rotation.
In some embodiments, the device further comprises a bearing, wherein the inner side of the bearing can be coaxially connected with the transmission shaft, and the outer side of the bearing can be fixed with the outlet end of the second pipe body. The beneficial effects are that, can enough make things convenient for firm fixed to the transmission shaft through the bearing, can guarantee the stable rotation of first impeller and second impeller again.
In some embodiments, the apparatus further comprises a housing, and the first tube and the second tube are surrounded by the housing. The beneficial effects are that, the cross-section of first body and second body is circular, and the casing can be for metal or other high molecular polymer materials etc..
In some embodiments, one end of the first pipe is further provided with a first inlet, the first inlet is connected with a first connecting portion, and the first connecting portion is a flange, a threaded port or a welded port. The fluid input pipeline has the beneficial effects that the first pipe body is convenient to connect with the fluid input pipeline.
In some embodiments, one end of the second pipe body is further provided with a second inlet, the second inlet is connected with a second connecting part, and the second connecting part is a flange, a threaded port or a welding port. The fluid input pipeline has the beneficial effect that the second pipe body is convenient to connect with the fluid input pipeline.
In some embodiments, the fluid outlet is connected with an outlet connection that is a flange, threaded port, or welded port. The fluid outlet is convenient to be connected with an input pipeline of mixed fluid.
In some embodiments, the second pipe body is provided with an arc-shaped portion. The beneficial effect is that, be convenient for the fluidic flow in the second body more smoothly.
Drawings
Fig. 1 is a perspective view of a self-driven axial-flow mixed-flow pump according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of the self-driven axial flow mixed flow pump of FIG. 1;
fig. 3 is a partially enlarged view of the self-driven axial-flow mixed-flow pump shown in fig. 2.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 to 3 schematically show a self-driven axial-flow mixed-flow pump according to an embodiment of the present invention. As shown, the device comprises a first tubular body 2, a second tubular body 3, a first impeller 5 and a second impeller 6. First body 2 and second body 3 enclose by casing 1, and casing 1 can be metal or other high molecular polymer materials etc. and the cross-section of first body 2 and second body 3 is circular.
One end of the first tube body 2 is provided with a fluid outlet 4, and the first tube body 2 is communicated with the fluid outlet 4. The other end of the first pipe body 2 is also provided with a first inlet 21, the first inlet 21 is connected with a first connecting part 22, and the first connecting part 22 is a flange, a threaded port or a welded port, so that the first pipe body 2 can be conveniently connected with a fluid input pipeline.
The fluid outlet 4 is connected with an outlet connecting part 41, and the outlet connecting part 41 is a flange, a threaded port or a welded port, so that the fluid outlet 4 can be conveniently connected with an input pipeline of mixed fluid.
The outlet end 33 of the second tube 3 can be sleeved in the first tube 2. One end of the second pipe body 3 is further provided with a second inlet 31, the second inlet 31 is connected with a second connecting part 32, and the second connecting part 32 is a flange, a threaded port or a welded port, so that the second pipe body 3 can be conveniently connected with a fluid input pipeline.
The first impeller 5 is disposed in the first pipe body 2. In the exit end 33 of second body 3 was located to second impeller 6, second impeller 6 was connected with first impeller 5, and first impeller 5 can drive and carry out second impeller 6 and rotate, or second impeller 6 can drive and carry out first impeller 5 and rotate. The second pipe 3 is provided with an arc portion 34, which facilitates smooth flow of the fluid in the second pipe 3.
The centrifugal impeller further comprises a transmission shaft 7, and the first impeller 5 and the second impeller 6 can rotate coaxially through the transmission shaft 7. Because the first impeller 5 and the second impeller 6 are fixed on the same shaft, the rotation of the first impeller 5 also drives the rotation of the second impeller 6, and the two impellers have the same angular velocity and can rotate synchronously.
The device further comprises a bearing 8, the inner side of the bearing 8 can be coaxially connected with the transmission shaft 7, and the outer side of the bearing 8 can be fixed with the outlet end 33 of the second pipe body 3. Can enough make things convenient for firm fixed to transmission shaft 7 through bearing 8, can guarantee the stable rotation of first impeller 5 and second impeller 6 again.
In the device of the utility model, high-pressure fluid enters the equipment from the first pipe body 2, and when flowing through the first impeller 5, the high-pressure fluid drives the first impeller 5 to rotate, and simultaneously, certain kinetic energy is lost, and the pressure is reduced; after the first impeller 5 drives the second impeller 6 to rotate, the blades of the second impeller 6 which are contacted with the low-pressure fluid generate a forward thrust to the low-pressure fluid, so that the pressure of the low-pressure fluid in the second pipe body 3 is increased, a suction force is generated at a low-pressure fluid inlet, and the low-pressure fluid is sucked into equipment; after the two fluids are mixed, the mixture is discharged out of the device through the fluid outlet 4, and the discharge pressure is lower than the inlet pressure of the high-pressure fluid and higher than the inlet pressure of the low-pressure fluid.
The utility model discloses a device, high-pressure fluid do from the entering of second body 3, at this moment, second impeller 6 is the drive impeller, drives first impeller 5 and rotates, and first impeller 5 is driven impeller to low-pressure fluid gets into from first body 2.
Compared with the traditional fluid supercharging equipment, the device of the utility model does not need external force to drive, the rotating part does not need mechanical seal, the equipment structure is simple, and the manufacture and installation are convenient; the equipment can automatically realize equal proportion mixing of high-pressure fluid and low-pressure fluid, and no additional flow regulation facility is required to be arranged on a pipeline; the loss of mechanical energy of the equipment is small, the kinetic energy of the high-pressure fluid can be efficiently converted into the kinetic energy of the low-pressure fluid, and the energy consumption in the fluid mixing process is effectively reduced; the equipment has certain fluid mixing function and can replace fluid mixing equipment such as a static mixer and the like.
The flow rates of the two media are mainly dependent on the following factors:
(1) inlet pressures of both media;
(2) viscosity, density of the two media;
(3) the ratio of the cross-sectional areas of the first impeller 5 and the second impeller 6;
(4) the number, angle and size of the blades of the first impeller 5 and the second impeller 6;
(5) the medium with higher density flows along the center of the device, and the medium with lower density flows along the outer ring, so that the two media are mixed more favorably.
(6) The medium with large flow rate flows along the outer ring, and the medium with small flow rate flows along the center of the device, so that the energy loss in the mixing process can be reduced.
(7) The ratio of the flow rates of the high-pressure fluid and the low-pressure fluid is relatively constant, and when the flow rate of the high-pressure fluid is changed, the flow rate of the low-pressure fluid is changed.
The device of the present application may be suitable for use in the following relevant situations:
(1) mixing steam with different grades;
(2) mixing the fluid with pressure with the fluid with normal pressure or negative pressure;
(3) on-line cyclic sampling of the fluid;
(4) fluid is mixed in equal proportion;
(5) because of the difficulty of mechanical sealing, it is not easy to use a pump or a compressor to pressurize the process medium, such as the process medium with stronger corrosivity or lower temperature.
What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.
Claims (8)
1. A self-driven axial flow mixed flow pump is characterized by comprising,
a first pipe body (2), one end of the first pipe body (2) is provided with a fluid outlet (4),
a second pipe body (3), wherein the outlet end (33) of the second pipe body (3) can be sleeved in the first pipe body (2),
a first impeller (5) disposed within the first tube (2), and,
a second impeller (6) arranged in the outlet end (33) of the second pipe body (3), the second impeller (6) is connected with the first impeller (5),
the first impeller (5) can drive the second impeller (6) to rotate, or,
the second impeller (6) can drive the first impeller (5) to rotate.
2. A self-driven axial-flow mixed-flow pump according to claim 1, further comprising a drive shaft (7), wherein the first impeller (5) and the second impeller (6) are capable of coaxial rotation through the drive shaft (7).
3. A self-driven axial-flow mixed-flow pump according to claim 2, characterized in that it further comprises a bearing (8), the inner side of said bearing (8) being coaxially connectable to the drive shaft (7), the outer side of said bearing (8) being fixable to the outlet end (33) of the second tubular body (3).
4. Self-driven axial flow mixed flow pump according to claim 1, characterized in that it further comprises a casing (1), said first tubular body (2) and second tubular body (3) being enclosed by the casing (1).
5. The self-driven axial-flow mixed-flow pump according to claim 1, wherein one end of the first pipe body (2) is further provided with a first inlet (21), the first inlet (21) is connected with a first connecting part (22), and the first connecting part (22) is a flange, a threaded port or a welded port.
6. The self-driven axial-flow mixed-flow pump according to claim 1, wherein one end of the second pipe body (3) is further provided with a second inlet (31), the second inlet (31) is connected with a second connecting part (32), and the second connecting part (32) is a flange, a threaded port or a welded port.
7. Self-driven axial flow mixed flow pump according to claim 1, characterized in that the fluid outlet (4) is connected with an outlet connection (41), the outlet connection (41) being a flange, a threaded or a welded mouth.
8. Self-driven axial flow mixed flow pump according to claim 1, characterised in that said second tubular body (3) is provided with an arc-shaped portion (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920334782.0U CN210068481U (en) | 2019-03-15 | 2019-03-15 | Self-driven axial flow mixed flow pump |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920334782.0U CN210068481U (en) | 2019-03-15 | 2019-03-15 | Self-driven axial flow mixed flow pump |
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| CN210068481U true CN210068481U (en) | 2020-02-14 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111795512A (en) * | 2020-06-16 | 2020-10-20 | 普泛能源技术研究院(北京)有限公司 | Fluid energy recovery assembly, system and absorption refrigeration/heat pump system |
| CN114870763A (en) * | 2022-05-10 | 2022-08-09 | 江西炼石环保科技有限公司 | Simple and easy accelerated reaction unit of microchannel reactor |
-
2019
- 2019-03-15 CN CN201920334782.0U patent/CN210068481U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111795512A (en) * | 2020-06-16 | 2020-10-20 | 普泛能源技术研究院(北京)有限公司 | Fluid energy recovery assembly, system and absorption refrigeration/heat pump system |
| CN111795512B (en) * | 2020-06-16 | 2021-06-01 | 普泛能源技术研究院(北京)有限公司 | Fluid energy recovery assembly, system and absorption refrigeration/heat pump system |
| CN114870763A (en) * | 2022-05-10 | 2022-08-09 | 江西炼石环保科技有限公司 | Simple and easy accelerated reaction unit of microchannel reactor |
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