Integrated pipeline pump

Abstract

The present invention relates to the technical field of noise reduction, vibration suppression and cooling of pipeline pumps, and provides an integrated pipeline pump, comprising: an annular groove provided on the outer wall of a pump housing; an annular cover plate sleeved on the outside of the annular groove to close the annular groove, a cooling medium provided in the annular groove; a motor housing provided in the annular groove; elastic heat-absorbing particles provided in the annular groove, the elastic heat-absorbing particles being capable of undergoing phase change when heated. The integrated pipeline pump provided by the present invention improves the cooling capacity of the cooling medium for the motor by arranging elastic heat-absorbing particles in the annular groove, the elastic heat-absorbing particles absorbing heat by phase change, and utilizing the elastic collision between the elastic heat-absorbing particles to absorb vibrations caused by the motor, rotating impeller and fluid excitation, thereby playing a role in reducing and isolating vibrations of the integrated pipeline pump, reducing the noise caused by vibrations of the pipeline pump, and avoiding the problem of complex structure and space occupation of the pipeline pump caused by the provision of flexible pipes.

Description

Technical Field

[0001] The present invention relates to the technical field of noise reduction, vibration suppression and cooling of pipeline pumps, and in particular to an integrated pipeline pump. Background Art

[0002] Due to its compact overall structural design, the integrated pipeline pump has the advantages of high structural integration, low total pump volume and mass, high sealing performance, and low vibration and noise compared to traditional water pumps. It is widely used in shipbuilding, aerospace, petrochemical and other fields.

[0003] During the operation of an integrated pipeline pump, the rim-driven motor continuously generates heat. If this heat is not effectively and promptly removed, it could cause the motor to overheat and damage, threatening the normal operation of the pipeline pump and system safety. Furthermore, when the pipeline pump is operating at high speed, the vibration noise caused by the high-speed rotation of the impeller and fluid excitation, if not suppressed, will bring risks of environmental pollution and mechanical fatigue damage. Traditional integrated pipeline pumps typically have a cooling gap between the impeller rotor and the stator. This not only prevents the impeller rotor from colliding with the stator during rotation, causing component damage, but also serves as a flow channel for the cooling medium to remove heat from the motor. However, the traditional integrated pipeline pump cooling system design uses a single-channel direct current heat exchange method, which has poor heat transfer capacity, high cooling water demand, and an inability to adjust the cooling water flow rate according to the motor heat load. Furthermore, traditional pipeline pump noise and vibration reduction measures typically involve the installation of vibration isolation devices such as flexible pipes in the piping system. However, the installation of flexible pipes and other devices can lead to increased system complexity, reduced reliability, and occupied system layout space. Summary of the Invention

[0004] The present invention provides an integrated pipeline pump to solve the defects of the prior art pipeline pump, such as poor heat exchange capacity and complex structure of the pipeline pump and space occupation caused by the installation of vibration reduction devices such as flexible pipes.

[0005] The present invention provides an integrated pipeline pump, comprising: a pump casing, wherein the outer wall of the pump casing is provided with an annular groove; an annular cover plate, which is sleeved on the outside of the annular groove to close the annular groove, and a cooling medium is provided in the annular groove; a motor casing, wherein the motor casing is arranged in the annular groove; and elastic heat-absorbing particles, wherein the elastic heat-absorbing particles are arranged in the annular groove and can undergo phase change when heated.

[0006] According to an integrated pipeline pump provided by the present invention, the elastic heat-absorbing particles include paraffin particles, and the outside of the paraffin particles is wrapped with an elastic layer to form the elastic heat-absorbing particles.

[0007] According to the integrated pipeline pump provided by the present invention, the elastic layer is a silicone rubber layer.

[0008] According to the integrated pipeline pump provided by the present invention, the thickness of the elastic layer is smaller than the diameter of the paraffin particles.

[0009] According to the integrated pipeline pump provided by the present invention, the density ratio of the elastic heat-absorbing particles is 0.4.

[0010] According to an integrated pipeline pump provided by the present invention, the motor housing divides the space within the annular groove into a first space and a second space, the first space is connected to the second space, the first space is located between the outer wall of the pump housing and the motor housing, and the second space is located between the motor housing and the annular cover plate; wherein the elastic heat-absorbing particles are arranged in the second space.

[0011] According to an integrated pipeline pump provided by the present invention, it also includes a plurality of baffles, and the plurality of baffles are arranged in the first space. The plurality of baffles include a plurality of first baffles and a plurality of second baffles. The plurality of first baffles are arranged on the outer wall of the pump casing, and the plurality of second baffles are arranged on the outer wall of the motor casing. The plurality of first baffles and the plurality of second baffles are staggered.

[0012] According to the integrated pipeline pump provided by the present invention, the height of each baffle is greater than or equal to half of the width of the first space.

[0013] According to an integrated pipeline pump provided by the present invention, the distance between the first baffle and the second baffle is equal to twice the height of the first baffle or the second baffle.

[0014] An integrated pipeline pump provided according to the present invention further includes: an inlet pipeline and an outlet pipeline, wherein the inlet pipeline and the outlet pipeline pass through the annular cover plate and communicate with the annular groove.

[0015] The integrated pipeline pump provided by the present invention arranges elastic heat-absorbing particles in the annular groove. The elastic heat-absorbing particles absorb heat by utilizing phase change, thereby improving the cooling capacity of the cooling medium for the motor. The elastic heat-absorbing particles utilize elastic collisions with each other to absorb vibrations caused by the motor, rotating impeller and fluid excitation, thereby achieving the effects of vibration reduction and vibration isolation for the integrated pipeline pump, reducing the noise caused by vibration of the pipeline pump, and avoiding the problem of complex structure and space occupation of the pipeline pump caused by the provision of flexible pipes. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the present invention or the prior art, a brief introduction is given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0017] Figure 1 is a cross-sectional view of the integrated pipeline pump provided by the present invention;

[0018] Figure 2 yes Figure 1 A local enlarged view of the position A shown in FIG;

[0019] Figure 3 yes Figure 2 Schematic diagram of the arrangement position of the baffle shown in FIG;

[0020] Figure 4 It is a three-dimensional diagram of the integrated pipeline pump provided by the present invention;

[0021] Reference numerals:

[0022] 10: Motor housing; 20: Elastic heat-absorbing particles; 30: Baffle; 31: First baffle; 32: Second baffle; 40: Gasket; 50: Annular mounting plate; 100: Pump housing; 101: Annular groove; 102: Annular cover plate; 103: Inlet pipe; 104: Outlet pipe; 110: First space; 120: Second space. DETAILED DESCRIPTION

[0023] To make the objectives, technical solutions, and advantages of the present invention more clear, the technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0024] The features of the terms "first" and "second" in the description and claims of the present invention may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, the meaning of "plurality" is two or more.

[0025] The following combination Figures 1-4 The integrated pipeline pump of the present invention is described.

[0026] like Figure 1As shown, in an embodiment of the present invention, the integrated pipeline pump includes: a pump housing 100, a motor housing 10, elastic heat-absorbing particles 20, and an annular cover plate 102. The outer wall of the pump housing 100 is provided with an annular groove 101, and the annular cover plate 102 is sleeved on the outside of the annular groove 101 to seal the annular groove 101. A cooling medium is provided in the annular groove 101, and the motor housing 10 is disposed in the annular groove 101. The elastic heat-absorbing particles 20 are disposed in the annular groove 101. The elastic heat-absorbing particles 20 can undergo phase change when heated.

[0027] Specifically, a rotating impeller and a guide impeller are provided within the pump housing 100. The outer wall of the pump housing 100 is machined toward the inner wall to form an annular groove 101. An annular cover plate 102 covers the opening of the annular groove 101 to seal the annular groove 101 into a sealed space. The motor housing 10 is disposed within the annular groove 101. The motor is located within the motor housing 10. A cooling medium is provided within the annular groove 101 for cooling the motor housing 10. Elastic heat-absorbing particles 20 are dispersed within the annular groove 101. The elastic heat-absorbing particles 20 have a low melting point and a high latent heat of phase change. When heated and melted, they undergo a phase change and absorb the heat of the motor housing 10, thereby significantly improving the cooling medium's ability to absorb the motor's heat. This ensures that the integrated pipeline pump can absorb a large amount of motor heat when running at high speed or when stalled, thereby ensuring the normal operation of the integrated pipeline pump. Furthermore, after the phase change material melts, it combines with the elastic layer wrapped around the outer surface, making the elastic heat-absorbing particles more elastic. When the pipeline pump runs at high speed, the elastic heat-absorbing particles 20 are driven to vibrate together. The elastic heat-absorbing particles 20 can use the elastic collision between each other to convert the vibration energy of the pipeline pump into potential energy and heat energy for dissipation, thereby reducing the vibration noise of the pipeline pump.

[0028] The integrated pipeline pump provided by the embodiment of the present invention improves the cooling capacity of the cooling medium for the motor by arranging elastic heat-absorbing particles in the annular groove. The elastic heat-absorbing particles absorb heat by phase change, thereby utilizing elastic collision between the elastic heat-absorbing particles to absorb vibrations caused by the motor, rotating impeller, and fluid excitation, thereby achieving the functions of vibration reduction and vibration isolation for the integrated pipeline pump, reducing the noise caused by vibration of the pipeline pump, and avoiding the problem of complex structure and space occupation of the pipeline pump caused by the provision of flexible pipes.

[0029] Furthermore, in an embodiment of the present invention, the elastic heat-absorbing particles 20 include paraffin particles, and the outside of the paraffin particles is wrapped with an elastic layer to form elastic heat-absorbing particles.

[0030] Specifically, in this embodiment, the elastic heat-absorbing particles 20 are formed using paraffin wax particles as the particle bed. Paraffin wax has a low melting point and high latent heat of phase change. When heated, it undergoes a phase change, absorbing heat through this phase change, thereby improving the cooling capacity of the cooling medium. The elastic layer wraps around the wax particles. Its elasticity absorbs vibrations when the elastic heat-absorbing particles 20 collide with each other, thereby providing vibration damping and isolation.

[0031] Optionally, in an embodiment of the present invention, the elastic layer is a silicone rubber layer.

[0032] It is understandable that the granular bed of elastic heat-absorbing particles 20 can also be other phase change materials with low melting point and high phase change latent heat, and the elastic layer can also be other elastic materials. The two can be selected and matched according to the type of cooling medium and working environment.

[0033] Furthermore, in an embodiment of the present invention, the thickness of the elastic layer of the elastic heat-absorbing particles 20 is smaller than the diameter of the paraffin particles.

[0034] Specifically, in this embodiment, the diameter of the paraffin particles can be 5 mm to 6 mm, the thickness of the elastic layer is 1 mm to 2 mm, the density ratio of the elastic heat-absorbing particles is 0.4, and the porous medium permeability of the paraffin particles is:

[0035] in, is the porosity, i.e., density ratio; d is the diameter of the paraffin particles;

[0036] The inertia coefficient of the porous medium of paraffin particles is approximately:

[0037]

[0038] Furthermore, in an embodiment of the present invention, the diameter of the elastic heat-absorbing particles 20 provided in the annular groove 101 can be a single diameter, such as 5 mm, or a combination of multiple diameters, such as the diameter of some elastic heat-absorbing particles 20 is 5 mm, the diameter of some elastic heat-absorbing particles 20 is 5.5 mm, or other diameters.

[0039] like Figure 2 As shown, in an embodiment of the present invention, the motor housing 10 divides the space in the annular groove 101 into a first space 110 and a second space 120. The first space 110 is connected to the second space 120. The first space 110 is located between the outer wall of the pump housing 100 and the motor housing 10, and the second space 120 is located between the motor housing 10 and the annular cover plate 102, wherein the elastic heat-absorbing particles 20 are arranged in the second space 120.

[0040] Specifically, the motor housing 10 divides the annular groove 101 into two annular spaces, wherein the annular space between the motor housing 10 and the outer wall of the pump housing 100 is the first space 110, and the annular space between the motor housing 10 and the annular cover plate 102 is the second space 120. The elastic heat-absorbing particles 20 are scattered in the second space 120. When the pipeline pump runs at high speed, the elastic heat-absorbing particles 20 use the elastic collision between each other to absorb the vibration caused by the motor, rotating impeller and fluid excitation, thereby playing a role in vibration reduction and vibration isolation for the integrated pipeline pump, reducing the noise caused by vibration of the pipeline pump.

[0041] like Figure 2 and Figure 3 As shown, in an embodiment of the present invention, the integrated pipeline pump also includes a plurality of baffles 30, the plurality of baffles 30 are arranged in the first space, the plurality of baffles 30 include a plurality of first baffles 31 and a plurality of second baffles 32, the plurality of first baffles 31 are arranged on the outer wall of the pump casing 100, the plurality of second baffles 32 are arranged on the outer wall of the motor casing 10, and the plurality of first baffles 31 and the plurality of second baffles 32 are staggered.

[0042] Specifically, multiple first baffles 31 are arranged in a ring along the outer wall of the pump casing 100, and multiple circles of first baffles 31 are provided along the length direction of the pump casing 100. The second baffles 32 are arranged in a ring along the outer wall of the motor casing 10, and multiple circles of second baffles 32 are provided along the length direction of the motor casing 10. The first baffles 31 and the second baffles 32 are staggered to reduce the flow resistance of the cooling medium, and at the same time, the cooling medium forms a flow vortex at the first baffles 31 and the second baffles 32 to expand the heat exchange area, thereby enhancing the heat exchange.

[0043] The integrated pipeline pump provided by an embodiment of the present invention reduces the resistance to the flow of the cooling medium and increases the fluid disturbance by arranging multiple first baffles and multiple second baffles in the first space, and the first baffles and the second baffles are staggered. This enhances the heat exchange capacity and improves the cooling effect of the motor.

[0044] Furthermore, in an embodiment of the present invention, the height of each baffle 30 is greater than or equal to half the width of the first space 110. Specifically, the first baffle 31 and the second baffle 32 have the same size, the height of each baffle 30 may be 4 mm to 6 mm, and the width of each baffle 30 may be half of its height, specifically, 2 mm to 3 mm.

[0045] Furthermore, the distance between the first baffle 31 and the second baffle 32 is equal to twice the height of the first baffle 31 or the second baffle 32. Specifically, the distance between the first baffle 31 and the second baffle 32 may be 8 mm to 12 mm.

[0046] like Figure 4 As shown, in an embodiment of the present invention, the integrated pipeline pump further includes a pair of annular mounting plates 50 and a plurality of gaskets 40. The two annular mounting plates 50 are sleeved onto the exterior of the pump housing 100 and positioned within the annular groove 101. The sidewalls of each annular mounting plate 50 are connected to the adjacent groove wall of the annular groove 101. The annular cover plate 102 is connected to the circumferential surfaces of the pair of annular mounting plates 50 to seal the annular groove 101. The plurality of gaskets 40 are respectively disposed between the groove walls of the annular groove 101 and the annular mounting plates 50.

[0047] like Figure 1 As shown, in an embodiment of the present invention, the integrated pipeline pump further includes an inlet pipeline 103 and an outlet pipeline 104. The inlet pipeline 103 and the outlet pipeline 104 penetrate the annular cover plate 102 and communicate with the annular groove 101.

[0048] Specifically, the cooling medium enters the annular groove 101 from the inlet pipe 103. During the flow process, the cooling medium flows through the first deflector 31 and the second deflector 32, generating a flow vortex, thereby enhancing the heat exchange capacity between the cooling medium and the motor housing 10. At the same time, the elastic heat-absorbing particles melt and undergo a phase change due to heat, absorbing heat to further improve the cooling capacity of the cooling medium. The cooling medium absorbs the heat generated when the motor is running and is then discharged from the outlet pipe 104.

[0049] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. An integrated pipeline pump, characterized in that: include: A pump casing, wherein the outer wall of the pump casing is provided with an annular through groove; an annular cover plate, sleeved on the outside of the annular groove to close the annular groove, wherein a cooling medium is provided in the annular groove; a motor housing, the motor housing being disposed in the annular groove, the motor housing dividing the space in the annular groove into a first space and a second space, the first space being communicated with the second space, the first space being located between the outer wall of the pump housing and the motor housing, the second space being located between the motor housing and the annular cover plate, the cooling medium flowing through the first space; Elastic heat-absorbing particles are arranged in the second space, and the elastic heat-absorbing particles can undergo phase change when heated. The elastic heat-absorbing particles include paraffin particles, and the outside of the paraffin particles is wrapped with an elastic layer to form the elastic heat-absorbing particles. The elastic heat-absorbing particles vibrate when the integrated pipeline pump is running, so as to utilize the elastic collision between each other to convert the vibration energy of the integrated pipeline pump into potential energy and heat energy for dissipation.

2. The integrated pipeline pump according to claim 1, characterized in that: The elastic layer is a silicone rubber layer.

3. The integrated pipeline pump according to claim 1, characterized in that: The thickness of the elastic layer is smaller than the diameter of the paraffin wax particles.

4. The integrated pipeline pump according to claim 1, characterized in that: The density ratio of the elastic heat-absorbing particles is 0.

4.

5. The integrated pipeline pump according to claim 1, characterized in that: It also includes multiple baffles, which are arranged in the first space. The multiple baffles include multiple first baffles and multiple second baffles. The multiple first baffles are arranged on the outer wall of the pump casing, and the multiple second baffles are arranged on the outer wall of the motor casing. The multiple first baffles and the multiple second baffles are staggered.

6. The integrated pipeline pump according to claim 5, characterized in that: The height of each of the baffles is greater than or equal to half of the width of the first space.

7. The integrated pipeline pump according to claim 5, characterized in that: The distance between the first baffle and the second baffle is equal to twice the height of the first baffle or the second baffle.

8. The integrated pipeline pump according to claim 1, characterized in that: Also includes: An inlet pipe and an outlet pipe are provided, wherein the inlet pipe and the outlet pipe pass through the annular cover plate and are communicated with the annular groove.

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