CN213808227U - Noise reduction device for heat supply network circulating water pump - Google Patents
Noise reduction device for heat supply network circulating water pump Download PDFInfo
- Publication number
- CN213808227U CN213808227U CN202021821109.9U CN202021821109U CN213808227U CN 213808227 U CN213808227 U CN 213808227U CN 202021821109 U CN202021821109 U CN 202021821109U CN 213808227 U CN213808227 U CN 213808227U
- Authority
- CN
- China
- Prior art keywords
- noise reduction
- heat supply
- supply network
- network circulating
- reduction body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a device of making an uproar falls for heat supply network circulating water pump, include: the noise reduction pipe comprises a noise reduction body and a reducer pipe fitting; the noise reduction body is provided with a hollow cavity, the top end of the noise reduction body is provided with a water inlet, the side surface of the noise reduction body is provided with a water outlet, the water inlet is communicated with the water outlet, the water inlet of the noise reduction body is communicated with a return water pipeline of a heat supply network circulating system through a first reducing pipe fitting, and the water outlet of the noise reduction body is communicated with an inlet of a heat supply network circulating water pump through a second reducing pipe fitting; the pipe diameter of the noise reduction body is larger than that of a return water pipeline of the heat supply network circulating system. The utility model discloses a change the difference of fluid circulation sectional area size, and then change the fluid flow state, change the noise stack that vibration frequency produced in order to eliminate resonance to reduce system noise.
Description
Technical Field
The utility model relates to a technical field of making an uproar falls especially relates to a device of making an uproar falls for heat supply network circulating water pump.
Background
In recent years, the development of central heating in China is rapid, the heating capacity and the scale of a heating network are greatly increased, and the application range of the central heating is wider and wider. However, in the rapid development process of central heating, noise generated by a heat supply network circulation system brings great influence to people.
At present, the noise of the heat supply network circulating system mainly comes from the sound emitted by the heat supply network circulating water pump or the sound generated by the resonance of the connected pipelines. The noise of the heat supply network circulation system not only brings trouble to the life of people nearby, but also influences the service life of the pipeline due to the resonance generated by the connecting pipeline.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a device of making an uproar falls for heat supply network circulating water pump can utilize the fluidic mobile state of the variation in size of circulation sectional area to change the vibration frequency through the reducing device of installing different quantity and different bores additional in heating system circulation circuit, and then eliminate circulating water pump resonance influence, reduce system noise.
In order to achieve the above object, the utility model discloses a concrete technical scheme that is used for heat supply network circulating water pump to fall device of making an uproar is:
a noise reducer for a heat network circulating water pump, comprising: the noise reduction pipe comprises a noise reduction body and a reducer pipe fitting; the noise reduction body is provided with a hollow cavity, the top end of the noise reduction body is provided with a water inlet, the side surface of the noise reduction body is provided with a water outlet, the water inlet is communicated with the water outlet, the water inlet of the noise reduction body is communicated with a return water pipeline of a heat supply network circulating system through a first reducing pipe fitting, and the water outlet of the noise reduction body is communicated with an inlet of a heat supply network circulating water pump through a second reducing pipe fitting; the pipe diameter of the noise reduction body is larger than that of a return water pipe of the heat supply network circulating system; the flow state of the fluid is changed by changing the difference of the sizes of the flow cross sections of the fluid, and the vibration frequency is changed to eliminate the noise superposition generated by resonance, so that the system noise is reduced.
Furthermore, the pipe diameter of the noise reduction body is generally 1.5-3 times of that of a return water pipe of the heat supply network circulating system, and the pipe diameter can be larger according to the flow velocity of fluid; the body of making an uproar falls in fluid follow heat supply network circulation return water pipeline entering, the pipe diameter cross-section increases, and the velocity of flow slows down, avoids the noise stack that resonance phenomenon arouses to the noise reduction.
Furthermore, the noise reduction material is arranged on the inner wall of the noise reduction body, so that the noise generated by the flow velocity of the fluid can be further reduced.
Furthermore, a first reducing pipe fitting between a return water pipeline of the heat supply network circulating system and the noise reduction body and a second reducing pipe fitting between the noise reduction body and the heat supply network circulating water pump are vertically arranged.
Furthermore, the first reducing pipe fitting and the return water pipeline of the heat supply network circulating system, the second reducing pipe fitting and the noise reduction body are hermetically connected with the heat supply network circulating water pump.
Further, the first reducing pipe fitting between heat supply network circulation system return water pipe and the body of making an uproar falls, fall the second reducing pipe fitting between the body of making an uproar and the heat supply network circulating water pump and can be according to pipe diameter difference grade, optional one-level or multistage.
The utility model discloses a device of making an uproar falls for heat supply network circulating water pump's beneficial effect lies in: the variable diameter devices with different quantities and different calibers are additionally arranged in the circulation loop of the heat supply system, the flowing state of fluid is changed by utilizing the different sizes of the cross sections of the fluid flow, the vibration frequency is changed, the resonance influence of the circulating water pump is eliminated, and the system noise is reduced.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a cross-sectional view of the present invention.
Description of reference numerals: 1. the diameter of a return water pipeline of the heat supply network circulating system; 2. a noise reduction body; 3. the pipe diameter of the noise reduction body; 4. a second reducer pipe; 5. a first reducer pipe; 6. a water inlet; 7. and (7) a water outlet.
Detailed Description
For better understanding, the purpose, structure and function of the present invention are described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 2, it is shown that the noise reduction device for the heat supply network circulating water pump of the present invention comprises a noise reduction body 2 and a reducer pipe fitting; the noise reduction body 2 is provided with a hollow cavity, the top end of the noise reduction body 2 is provided with a water inlet 6, the side surface of the noise reduction body 2 is provided with a water outlet 7, the water inlet 6 is communicated with the water outlet 7, the water inlet 6 of the noise reduction body is communicated with a return water pipeline of a heat supply network circulating system through a first reducing pipe fitting 5, and the water outlet 7 of the noise reduction body is communicated with an inlet of a heat supply network circulating water pump through a second reducing pipe fitting 4; the pipe diameter 3 of the noise reduction body is larger than the pipe diameter 1 of a return water pipe of the heat supply network circulating system; the flow state of the fluid is changed by changing the difference of the sizes of the flow cross sections of the fluid, and the vibration frequency is changed to eliminate the noise superposition generated by resonance, so that the system noise is reduced.
Furthermore, the pipe diameter 3 of the noise reduction body is generally 1.5-3 times of the pipe diameter 1 of a return pipe of a heat supply network circulating system, and can be larger according to the flow velocity of fluid; the body 2 of making an uproar falls in fluid follow heat supply network circulation return water pipeline entering, the pipe diameter sectional area increase, the velocity of flow slows down, and then avoids the noise stack that resonance phenomenon arouses to the noise reduction.
Further, noise reduction materials are arranged on the inner wall of the noise reduction body 2, and noise generated by the flow velocity of fluid can be further reduced.
Further, the first reducer pipe 5 and the second reducer pipe 4 are vertically arranged.
Furthermore, the two ends of the first reducing pipe fitting 5 are respectively in sealing connection with a return water pipeline of the heat supply network circulation system and a water inlet 6 of the noise reduction body, and the two ends of the second reducing pipe fitting 4 are respectively in sealing connection with a water outlet 7 of the noise reduction body and an inlet of the heat supply network circulation water pump.
Further, the first reducer pipe fitting 5 and the second reducer pipe fitting 4 may be selected from one stage or multiple stages according to the grade of the pipe diameter difference.
The working principle of the noise reduction device for the heat supply network circulating water pump of the present invention is described below with reference to the accompanying drawings:
fluid enters the noise reduction body 2 from the heat supply network circulating water return pipeline through the heat supply network circulating water return pipeline, the cross section area of the pipeline is changed, and the flowing state of the fluid is changed due to the change of flow speed; similarly, the fluid flows into the inlet of the heat supply network circulating water pump from the noise reduction body 2, the fluid state is also changed due to the change of the flow speed, and the vibration frequency is changed by changing the flow state of the fluid, so that the noise caused by the resonance phenomenon is reduced.
The utility model relates to a device of making an uproar falls for heat supply network circulating water pump through the reducing device who installs different quantity and different bores additional in heating system circulation circuit, utilizes the fluidic mobile state that the fluid circulation sectional area variation in size changes the fluid, changes vibration frequency, and then eliminates circulating water pump resonance influence, reduce system noise.
The present invention has been further described with reference to specific embodiments, but it should be understood that the specific description herein should not be construed as limiting the spirit and scope of the present invention, and that various modifications to the above-described embodiments, which would occur to persons skilled in the art after reading this specification, are within the scope of the present invention.
Claims (7)
1. A noise reduction device for a heat supply network circulating water pump, comprising: the noise reduction device comprises a noise reduction body (2) and a reducer pipe fitting; the noise reduction body (2) is provided with a hollow cavity, a water inlet (6) is formed in the top end of the noise reduction body (2), a water outlet (7) is formed in the side face of the noise reduction body (2), the water inlet (6) is communicated with the water outlet (7), the water inlet (6) of the noise reduction body is communicated with a return water pipeline of a heat supply network circulating system through a first reducing pipe fitting (5), and the water outlet (7) of the noise reduction body is communicated with an inlet of the heat supply network circulating water pump through a second reducing pipe fitting (4); the pipe diameter (3) of the noise reduction body is larger than the pipe diameter (1) of a return water pipe of the heat supply network circulating system.
2. The noise reduction device for the heat supply network circulating water pump is characterized in that the pipe diameter (3) of the noise reduction body is 1.5-3 times of the pipe diameter (1) of a return pipe of the heat supply network circulating system.
3. The noise reduction device for the water circulating pump of the heat supply network according to the claim 1 is characterized in that the noise reduction body (2) is provided with a noise reduction material on the inner wall.
4. The noise reduction device for the heat supply network circulating water pump according to claim 1, wherein the first reducer pipe (5) and the second reducer pipe (4) are arranged vertically.
5. The noise reduction device for the heat supply network circulating water pump is characterized in that two ends of the first reducing pipe fitting (5) are respectively in sealing connection with a return water pipeline of the heat supply network circulating system and a noise reduction body water inlet (6), and two ends of the second reducing pipe fitting (4) are respectively in sealing connection with a noise reduction body water outlet (7) and a heat supply network circulating water pump inlet.
6. The noise reduction device for the water circulating pump of the heat supply network according to claim 1, wherein the first reducer pipe (5) is one-stage or multi-stage.
7. The noise reduction device for the heat supply network circulating water pump according to claim 1, wherein the second reducer pipe (4) is one-stage or multi-stage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021821109.9U CN213808227U (en) | 2020-08-27 | 2020-08-27 | Noise reduction device for heat supply network circulating water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021821109.9U CN213808227U (en) | 2020-08-27 | 2020-08-27 | Noise reduction device for heat supply network circulating water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213808227U true CN213808227U (en) | 2021-07-27 |
Family
ID=76951625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021821109.9U Active CN213808227U (en) | 2020-08-27 | 2020-08-27 | Noise reduction device for heat supply network circulating water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213808227U (en) |
-
2020
- 2020-08-27 CN CN202021821109.9U patent/CN213808227U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113167305A (en) | Material flow amplifier | |
| CN101089403A (en) | BJL multi-channel modified line special air conditioner energy-saving centrifugal pump | |
| CN103016318B (en) | A kind of Valveless piezoelectric pump based on wall attachment effect | |
| CN103726973B (en) | Based on the Draft Tube of Francis Turbine improved method that energy gradient is theoretical | |
| CN213808227U (en) | Noise reduction device for heat supply network circulating water pump | |
| CN201246300Y (en) | V-shaped tube non-valve piezoelectric pump | |
| CN205639074U (en) | Pump body spiral case structure | |
| CN216590349U (en) | Novel high pressure resistant silence pipe | |
| CN106051368B (en) | A kind of damping muffler with radial-axial compensation function | |
| CN106640769B (en) | A kind of taper water feed apparatus improving the unstable hydraulic characteristic(s) of axial-flow pump | |
| CN103016317B (en) | Three-cavity valveless piezoelectric pump based on wall-attachment effect | |
| CN106567867A (en) | Design and production manufacturing method of variable cross-section (diameter) double-siphon-tube device | |
| CN208348016U (en) | Compressor outlet constant-current stabilizer | |
| CN209458569U (en) | A kind of and outlet integrated pressure fluctuation buffer unit of header | |
| CN203880213U (en) | Axial-flow type labyrinth throttling structure | |
| CN206221381U (en) | A kind of axial-flow pump water feed apparatus | |
| CN201705730U (en) | Volute type structure of tangent pump body | |
| CN203067241U (en) | Valveless piezoelectric pump based on wall attachment effect | |
| CN209522610U (en) | High-efficiency dissolued-air manufactures unit | |
| CN201462407U (en) | Y-shaped self-regulation type flow stabilizer used for reducing impact | |
| CN217762570U (en) | Water mixing pressure reducing balancing device for heating pipeline system | |
| CN212643016U (en) | Diaphragm pump hydraulic end connecting pipe | |
| CN220795695U (en) | Flow control system | |
| CN219159827U (en) | Multiphase flow pressure reducing baffling speed reducer | |
| CN202597252U (en) | Pressurized water chamber for oil transporting main pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |