CN217129783U - Multi-pump parallel integrated pump set - Google Patents
Multi-pump parallel integrated pump set Download PDFInfo
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- CN217129783U CN217129783U CN202123447428.5U CN202123447428U CN217129783U CN 217129783 U CN217129783 U CN 217129783U CN 202123447428 U CN202123447428 U CN 202123447428U CN 217129783 U CN217129783 U CN 217129783U
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Abstract
The utility model discloses a multi-pump parallel integrated pump set, which belongs to the technical field of screw pumps and comprises an integrated pump body, a connection inlet main pipeline and a connection outlet main pipeline, wherein the integrated pump body comprises at least two installation cavities, each installation cavity is mutually independent, a screw pump is arranged in each installation cavity, the outlet end of the screw pump is in flange connection with the connection outlet main pipeline, and the inlet end of each screw pump is in flange connection with the connection inlet main pipeline; the connection outlet main pipeline and the connection inlet main pipeline are communicated through a communication pipeline, and a safety valve is arranged on the communication pipeline. The utility model discloses a modular design can satisfy the user demand of hydraulic system multiplex condition, effectively reduces hydraulic system design complexity, satisfies the installation space requirement, improves the hydraulic system reliability, reduces pump package vibration noise simultaneously, reduces the system flow noise.
Description
Technical Field
The utility model belongs to the technical field of the screw pump, especially, relate to a parallelly connected integrated pump package of many pumps.
Background
The screw pump is a positive displacement pump, which is widely used in petroleum, chemical industry, ship and other fields to deliver various media with different flow and pressure requirements. Conventional progressive cavity pumps are typically single pump mounted. In a large hydraulic system, a multi-pump parallel installation mode is usually adopted, so that the difficulty of designing the hydraulic system by a user is increased; the pipelines are complex and various, the assembly is difficult, the sealing surfaces are multiple, the leakage probability of the system is increased, the reliability of the system is greatly reduced, and the noise of the system flow is increased by the parallel pipelines; when the working condition is complex and the installation space is limited, the existing hydraulic system can not meet the use requirements of multiple working conditions and the requirements on the installation space.
Disclosure of Invention
The problem to prior art exists, the utility model provides a many pumps integrated pump package that connects in parallel adopts the modularized design, can satisfy the user demand of hydraulic system multiplex condition, effectively reduces hydraulic system design complexity, satisfies the installation space requirement, improves the hydraulic system reliability, reduces pump package vibration noise simultaneously, reduces the system stream noise.
The utility model discloses a realize like this, a many pumps are integrated pump package in parallel, including the integrated form pump body, connect import main line and connect export main line, including at least two installation cavities in the integrated form pump body, the center of installation cavity is located same straight line, and each mutually independent between the installation cavity, all be provided with the screw pump in each installation cavity, the exit end and the main flange joint of hookup export of screw pump, the entrance point and the main flange joint of hookup import of screw pump;
the connection outlet main pipeline and the connection inlet main pipeline are communicated through a communication pipeline, and a safety valve is arranged on the communication pipeline. A pressure differential exists between the coupling outlet main pipe and the coupling inlet main pipe. When the outlet pressure is too high, the safety valve is used for protecting the screw pump, so that the safety effect can be achieved, the safety of the screw pump and the whole equipment can be ensured, and the phenomenon that the screw pump is damaged due to overload caused by the fact that the pressure at the outlet of a connecting outlet main pipeline or the screw pump is too high is avoided.
Furthermore, a check valve for preventing medium backflow is arranged between the outlet end of the screw pump and the main pipeline of the connecting outlet. The high-pressure medium output from the outlet of the screw pump in the working screw pump can be prevented from not working through the return passage of the connecting outlet main pipeline, the normal operation of the screw pump is ensured, and the reliability and the safety of equipment are ensured.
Furthermore, the mounting ends of two sides of the integrated pump body are provided with vibration isolators. The screw pump is used for weakening vibration noise generated when the screw pump operates.
Furthermore, a dynamic vibration absorber is arranged between the connecting outlet main pipeline and the connecting inlet main pipeline. Because the pipeline is great, and the flange alone is not enough to support the pipeline, the dynamic vibration absorber that sets up can play the effect of supporting the pipeline on the one hand, guarantees the firm of the structure of pump package, and on the other hand can reduce system flow noise, reduces vibration noise.
Furthermore, flexible connecting pipes are arranged at both ends of the connecting outlet main pipeline and both ends of the connecting inlet main pipeline. For reducing the vibration noise generated by the pump unit during operation.
The utility model has the advantages and technological effect: due to the adoption of the technical scheme and the modular design, the use requirements of multiple working conditions of the hydraulic system can be met, the design complexity of the hydraulic system is effectively reduced, the requirement on installation space is met, the reliability of the hydraulic system is improved, the vibration noise of a pump set is reduced, and the flow noise of the system is reduced.
Drawings
Fig. 1 is a perspective view of the overall structure provided by the embodiment of the present invention;
fig. 2 is a front view of the overall structure provided by the embodiment of the present invention;
fig. 3 is a schematic view of an integrated pump body structure provided in an embodiment of the present invention.
In the figure, 1, an integrated pump body; 2. a screw pump; 3. a vibration isolator; 4. connecting an inlet main pipeline; 5. a communicating pipeline; 6. connecting an outlet main pipeline; 7. a dynamic vibration absorber; 8. a flexible adapter tube; 9. a check valve; 10. a safety valve; 11. installing a chamber; 12. an outlet end of the screw pump; 13. an inlet end of the screw pump; 14. and (7) mounting the end.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 to 3, the present application provides a multi-pump parallel integrated pump set, which includes an integrated pump body 1, a connection inlet main pipeline 4 and a connection outlet main pipeline 6, the integrated pump body 1 includes at least two installation chambers 11 therein, centers of the installation chambers 11 are located on the same straight line, and each of the installation chambers 11 are independent of each other, each of the installation chambers 11 is provided with a screw pump 2 therein, the screw pump 2 may be but is not limited to a triple screw pump, and the screw pump 2 in each of the installation chambers 11 can be opened and closed individually, so as to meet the use requirements of multiple working conditions of a hydraulic system. In an embodiment of the present application, five mutually independent installation chambers 11 are provided in the integrated pump body 1, and a screw pump 2 is provided in each installation chamber 11. The outlet end 12 of the screw pump is connected with the flange of the connecting outlet main pipeline 6, and the inlet end 13 of the screw pump is connected with the flange of the connecting inlet main pipeline 4.
The connecting outlet main pipeline 6 is communicated with the connecting inlet main pipeline 4 through a communicating pipeline 5, and a safety valve 10 is arranged on the communicating pipeline 5. The inlet end 13 of the screw pump is a low-pressure cavity, the outlet end 12 of the screw pump is a high-pressure cavity, high-pressure medium is conveyed to the connecting outlet main pipeline 6, and high-pressure and low-pressure differential pressure exists between the connecting outlet main pipeline 6 and the connecting inlet main pipeline 4. When the outlet pressure is too high, the safety valve 10 is used for protecting the screw pump 2, so that the safety effect can be achieved, the safety of the screw pump 2 and the whole equipment can be ensured, and the overload damage of the screw pump 2 caused by the too high pressure of the outlet end 12 of the connecting outlet main pipeline 6 or the screw pump can be avoided. When the pressure of the connecting outlet main pipeline 6 or the outlet end 12 of the screw pump is too high, the safety valve 10 is opened to enable the high-pressure medium hole communication pipeline 5 in the connecting outlet main pipeline 6 to flow into the connecting inlet main pipeline 4, and pressure relief of the pressure of the connecting outlet main pipeline 6 or the outlet end 12 of the screw pump is achieved.
A check valve 9 for preventing medium backflow is arranged between the outlet end 12 of the screw pump and the connection outlet main pipe 6. In an embodiment of the present application, when the two sets of screw pumps 2 work and the other three sets of screw pumps 2 do not work, the outlets of the other three sets of screw pumps 2 do not work and therefore do not have pressure, so as to form a low pressure region, and at this time, a high pressure medium flows back to the non-working screw pumps 2 through the connecting outlet main pipeline 6. The check valve 9 can prevent medium backflow, can avoid high-pressure medium output by the outlet end 12 of the screw pump in operation from flowing back to the screw pump 2 which does not work through the return channel of the connection outlet main pipeline 6, ensure the normal operation of the screw pump 2 and ensure the reliability and the safety of equipment.
The mounting ends 14 at both sides of the integrated pump body 1 are provided with vibration isolators 3. Two sides of the integrated pump body 1 are mounted on a pump set mounting base through mounting ends 14, and the vibration isolator 3 is arranged between the mounting ends 14 and the mounting base and used for weakening vibration noise generated when the screw pump 2 operates.
A dynamic vibration absorber 7 is arranged between the connecting outlet main pipeline 6 and the connecting inlet main pipeline 4. Because the pipeline is great, and it is not enough to support the pipeline to lean on the flange alone, the dynamic vibration absorber 7 that sets up can play the effect of supporting the pipeline on the one hand, guarantees the firm of the structure of pump package, and on the other hand can reduce system flow noise, reduces the vibration noise.
And flexible connecting pipes 8 are arranged at both ends of the connecting outlet main pipeline 6 and both ends of the connecting inlet main pipeline 4. Specifically, the flexible connecting pipes 8 are respectively arranged at two ends of an inlet and an outlet of the connecting outlet main pipeline 6 and two ends of an inlet and an outlet of the connecting inlet main pipeline 4, and are used for reducing vibration noise generated in the operation of the pump set.
When the screw pump works, a conveying medium enters from the connecting inlet main pipeline 4, the medium in the connecting inlet main pipeline 4 enters into the inlet end 13 of the screw pump, and flows into the connecting outlet main pipeline 6 through the outlet end 12 of the screw pump under the action of the screw pump 2. When the screw pump is used, different numbers of screw pumps 2 can be arranged according to working condition requirements, the correspondingly opened screw pumps 2 are provided, for example, the integrated pump body 1 is provided with five installation chambers 11, each installation chamber 11 is internally provided with one screw pump 2, optionally, one screw pump 2 is opened, and the rest four screw pumps 2 do not work; two screw pumps 2 are started, and the other three screw pumps 2 do not work; and starting the three screw pumps 2, and enabling the other two screw pumps 2 not to work.
To sum up, the utility model discloses a modular design adopts modular design, can satisfy the user demand of hydraulic system multiplex condition, effectively reduces hydraulic system design complexity, satisfies the installation space requirement, improves hydraulic system reliability, reduces pump package vibration noise simultaneously, reduces the system stream noise.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. The multi-pump parallel integrated pump set is characterized by comprising an integrated pump body (1), a connecting inlet main pipeline (4) and a connecting outlet main pipeline (6), wherein at least two installation chambers (11) are arranged in the integrated pump body (1), the centers of the installation chambers (11) are positioned on the same straight line, the installation chambers (11) are mutually independent, a screw pump (2) is arranged in each installation chamber (11), the outlet end (12) of the screw pump is in flange connection with the connecting outlet main pipeline (6), and the inlet end (13) of the screw pump is in flange connection with the connecting inlet main pipeline (4);
the connecting outlet main pipeline (6) is communicated with the connecting inlet main pipeline (4) through a communicating pipeline (5), and a safety valve (10) is arranged on the communicating pipeline (5).
2. Pump group according to claim 1, characterised in that between the outlet end (12) of the screw pump and the coupling outlet main (6) there is a non-return valve (9) for preventing the medium from flowing back.
3. Pump group according to claim 1 or 2, characterized in that the mounting ends (14) on both sides of the integrated pump body (1) are provided with vibration isolators (3).
4. Pump group according to claim 1, characterised in that a dynamic vibration absorber (7) is arranged between the coupling outlet main (6) and the coupling inlet main (4).
5. Pump group according to claim 1, characterized in that the two ends of the connection outlet main pipe (6) and the two ends of the connection inlet main pipe (4) are provided with flexible connecting pipes (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123447428.5U CN217129783U (en) | 2021-12-31 | 2021-12-31 | Multi-pump parallel integrated pump set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123447428.5U CN217129783U (en) | 2021-12-31 | 2021-12-31 | Multi-pump parallel integrated pump set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217129783U true CN217129783U (en) | 2022-08-05 |
Family
ID=82620340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123447428.5U Active CN217129783U (en) | 2021-12-31 | 2021-12-31 | Multi-pump parallel integrated pump set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217129783U (en) |
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2021
- 2021-12-31 CN CN202123447428.5U patent/CN217129783U/en active Active
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