CN204254136U - A kind of multistage porous board type low-noise throttling arrangement - Google Patents
A kind of multistage porous board type low-noise throttling arrangement Download PDFInfo
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- CN204254136U CN204254136U CN201420715250.9U CN201420715250U CN204254136U CN 204254136 U CN204254136 U CN 204254136U CN 201420715250 U CN201420715250 U CN 201420715250U CN 204254136 U CN204254136 U CN 204254136U
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Abstract
The utility model relates to a kind of multistage porous board type low-noise throttling arrangement and comprises housing and multi-hole orifice, described enclosure interior is a through through hole, through hole two ends port is respectively into water port and water outlet port, by screw rod and nut interval, multi-hole orifice is installed in through hole, the porous terminal plate that the two ends of screw rod and through hole two ends port are installed or end-rack are connected, described multi-hole orifice is provided with a center hole, is provided with flowing hole around center hole circumference is spaced apart.The beneficial effects of the utility model are: 1, adopt the multistage current limliting of multi-hole orifice, and reducing pressure by regulating flow scope is large, are easy to regulate, and reduce the Be very effective of noise.2, adopt the method for stagnation pressure classification step-down, avoid the generation of cavitation erosion and steam flashing, protective gear effectively, extends its working life, and noise also reduces simultaneously.3, adopt the dismountable mounting type of bolt and nut, be convenient to restructuring and the Seriation Design of device.
Description
Technical field
The utility model relates to a kind of multistage porous board type low-noise throttling arrangement, is specifically related to a kind of multistage porous board type low-noise throttling arrangement for marine system.
Background technique
When marine system introduces high pressure sea water from outboard, flow control valve is usually adopted to carry out reducing pressure by regulating flow.Flow throttle valve seat bottom portion is with one-level orifice sleeve device, and range of regulation is limited, and physical life is short, cause a series of problems such as drainage effect is poor, the noise of marine stream formation is large in the course of the work, along with the increase of working depth, the raising of seawater pressure, these problems can be more obvious.Throttling arrangement used mostly at present is single-stage single hole and multistage single hole throttle device, and restriction effect is unsatisfactory, can not effectively solve the problem.
Model utility content
Problem to be solved of the present utility model is to overcome the deficiency that above-mentioned prior art exists, provide a kind of long service life, can effectively throttling, reduction noise multistage porous board type low-noise throttling arrangement.
The technological scheme that the problem that the utility model is the above-mentioned proposition of solution adopts is: a kind of multistage porous board type low-noise throttling arrangement, comprise housing and multi-hole orifice, described enclosure interior is a through through hole, through hole two ends port is respectively into water port and water outlet port, by screw rod and nut interval, multi-hole orifice is installed in through hole, the porous terminal plate that the two ends of screw rod and through hole two ends port are installed or end-rack are connected, described multi-hole orifice is provided with a center hole, is provided with flowing hole around center hole circumference is spaced apart.
By such scheme, described housing is tubular, and two ends are provided with adpting flange.
By such scheme, the water inlet port at described housing two ends and water outlet port are provided with outside backstop annular groove, are installed in the porous terminal plate of port or end-rack and backstop annular groove phase configuration.
By such scheme, described multi-hole orifice is disc, and be circumferentially laid with 1 ~ 3 circle flowing hole, the flowing hole often enclosed offers 3 ~ 8, the outer circumferential face of multi-hole orifice and housing through-hole inner peripheral surface phase configuration.
By such scheme, described screw rod is through the center hole of multi-hole orifice, and two is connected with porous terminal plate or end-rack and locks, every block multi-hole orifice both sides by fastening nuts, polylith multi-hole orifice interval is fixed in through-holes.
By such scheme, circumferentially stagger in the flowing hole center on described adjacent two pieces of multi-hole orifices.
By such scheme, on described multi-hole orifice, the diameter of flowing hole successively decreases with orifice plate and the increase of water inlet port distance, and on described multi-hole orifice, the quantity of flowing hole is successively decreased with orifice plate and the increase of water inlet port distance.
By such scheme, described porous terminal plate is provided with flowing hole or filter screen.
By such scheme, described multi-hole orifice is made up of cemented carbide or other high-abrasive material.
By such scheme, described housing is coated with damping material.
The beneficial effects of the utility model are: 1, adopt the multistage current limliting of multi-hole orifice, and reducing pressure by regulating flow scope is large, are easy to regulate, and reduce the Be very effective of noise.2, adopt the method for stagnation pressure classification step-down, avoid the generation of cavitation erosion and steam flashing, protective gear effectively, extends its working life, and noise also reduces simultaneously.3, adopt the dismountable mounting type of bolt and nut, be convenient to restructuring and the Seriation Design of device.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is the structural representation of single multi-hole orifice.
Fig. 3 is the B-B sectional view of Fig. 2.
Embodiment
Below in conjunction with drawings and Examples, the utility model will be further described.
Comprise housing 1 and multi-hole orifice 2, described housing cylindrically, two ends are provided with adpting flange, enclosure interior is a through through hole, through hole two ends port is respectively into water port 7 and water outlet port 8, water inlet port and water outlet port are provided with outside backstop annular groove, and two ends port is corresponding with adpting flange; By screw rod 3 and nut 4 interval, multi-hole orifice is installed in through hole, described multi-hole orifice is disc, a center hole 5 is offered at center, 1 circle flowing hole 6 is provided with around center hole circumference is spaced apart, the flowing hole often enclosed offers 6 ~ 8, the outer circumferential face of multi-hole orifice and housing through-hole inner peripheral surface phase configuration.Described screw rod is through the center hole of multi-hole orifice, two and porous terminal plate are connected and lock, every block multi-hole orifice both sides pass through fastening nuts, polylith multi-hole orifice axially spaced-apart is fixed in through-holes, multi-hole orifice is provided with two pieces, circumferentially staggers in the flowing hole center on described adjacent two pieces of multi-hole orifices.Described porous terminal plate external diameter is greater than multi-hole orifice, periphery and backstop annular groove phase configuration, and other structure of porous terminal plate is close with multi-hole orifice, and end plate is provided with flowing hole, and porous terminal plate flowing hole aperture is more than or equal to the aperture of multi-hole orifice flowing hole.Described multi-hole orifice can be made with Hardmetal materials, and on described multi-hole orifice 2, the aperture of flowing hole 6 and quantity are successively decreased with multi-hole orifice and the increase of water inlet port 7 distance.
In the utility model, every block multi-hole orifice is a throttling level.Adopt the method for total pressure head classification step-down, by the flowing hole diameter on adjustment multi-hole orifice or quantity, control circulation area that fluid imports and exports in each throttling level and pressure reduction, make high-pressure liquid in pipe-line system when each the throttling level by device, pressure has reduction in various degree, and flow velocity diminishes relatively; Fluid is all less than its critical pressure differential at the inlet outlet pressure differential of each throttling level; fluid, is avoided cavitating and the generation of steam flashing all higher than the pressure for vaporization of fluid at the outlet pressure of each throttling level, protective gear; noise also reduces greatly simultaneously, realizes the process of effective throttling and reduction noise.
Claims (10)
1. a multistage porous board type low-noise throttling arrangement, it is characterized in that comprising housing and multi-hole orifice, described enclosure interior is a through through hole, through hole two ends port is respectively into water port and water outlet port, by screw rod and nut interval, multi-hole orifice is installed in through hole, the porous terminal plate that the two ends of screw rod and through hole two ends port are installed or end-rack are connected, and described multi-hole orifice is provided with a center hole, are provided with flowing hole around center hole circumference is spaced apart.
2., by multistage porous board type low-noise throttling arrangement according to claim 1, it is characterized in that described housing is tubular, two ends are provided with adpting flange.
3. by the multistage porous board type low-noise throttling arrangement described in claim 1 or 2, it is characterized in that water inlet port and the water outlet port at described housing two ends are provided with outside backstop annular groove, be installed in the porous terminal plate of port or end-rack and backstop annular groove phase configuration.
4. by the multistage porous board type low-noise throttling arrangement described in claim 1 or 2, it is characterized in that described multi-hole orifice is disc, circumferentially be laid with 1 ~ 3 circle flowing hole, the flowing hole often enclosed offers 3 ~ 8, the outer circumferential face of multi-hole orifice and housing through-hole inner peripheral surface phase configuration.
5. by multistage porous board type low-noise throttling arrangement according to claim 3, it is characterized in that the center hole of described screw rod through multi-hole orifice, two and porous terminal plate or end-rack are connected and lock, every block multi-hole orifice both sides by fastening nuts, by fixing for polylith multi-hole orifice interval in through-holes.
6., by multistage porous board type low-noise throttling arrangement according to claim 4, it is characterized in that circumferentially staggering in the flowing hole center on described adjacent two pieces of multi-hole orifices.
7. by multistage porous board type low-noise throttling arrangement according to claim 4, it is characterized in that the diameter of flowing hole on described multi-hole orifice successively decreases with orifice plate and the increase of water inlet port distance, on described multi-hole orifice, the quantity of flowing hole is successively decreased with orifice plate and the increase of water inlet port distance.
8., by the multistage porous board type low-noise throttling arrangement described in claim 1 or 2, it is characterized in that described porous terminal plate is provided with flowing hole or filter screen.
9., by the multistage porous board type low-noise throttling arrangement described in claim 1 or 2, it is characterized in that described multi-hole orifice is made up of cemented carbide or other high-abrasive material.
10., by the multistage porous board type low-noise throttling arrangement described in claim 1 or 2, it is characterized in that described housing is coated with damping material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420715250.9U CN204254136U (en) | 2014-11-25 | 2014-11-25 | A kind of multistage porous board type low-noise throttling arrangement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420715250.9U CN204254136U (en) | 2014-11-25 | 2014-11-25 | A kind of multistage porous board type low-noise throttling arrangement |
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| CN204254136U true CN204254136U (en) | 2015-04-08 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105444478A (en) * | 2015-12-28 | 2016-03-30 | 重庆美的通用制冷设备有限公司 | Throttling device for air conditioner |
| CN106321524A (en) * | 2016-11-18 | 2017-01-11 | 湖南核三力技术工程有限公司 | Damping, muffling and air compensation device for orifice plate |
| CN106979432A (en) * | 2016-01-15 | 2017-07-25 | 艾默生过程管理调节技术公司 | Sound attenuation for pressure regulator |
| CN107202196A (en) * | 2016-03-18 | 2017-09-26 | 科勒公司 | Closestool filling-valve with improved noise performance |
| CN108266590A (en) * | 2016-12-30 | 2018-07-10 | 艾默生过程管理调节技术公司 | For the noise muffler being used together with process control equipment |
| CN109538486A (en) * | 2018-12-19 | 2019-03-29 | 安徽银龙泵阀股份有限公司 | A kind of centrifugal pump with air sinuses prophylactic function |
| CN110081261A (en) * | 2019-03-15 | 2019-08-02 | 中国煤层气集团有限公司 | Depressurize denoising device |
| CN110541993A (en) * | 2019-01-29 | 2019-12-06 | 深圳海油工程水下技术有限公司 | Pressure-reducing and flow-limiting device for pre-debugging water injection of underwater pipeline |
| CN111022813A (en) * | 2019-12-03 | 2020-04-17 | 四川大学 | Porous current-limiting noise-reducing pore plate and current-limiting noise reducer formed by same |
| CN111803983A (en) * | 2020-07-22 | 2020-10-23 | 湖北大江环保科技股份有限公司 | Oxygen pressure leaching flash evaporation exhaust control structure and control method thereof |
| CN115013623A (en) * | 2022-05-31 | 2022-09-06 | 中国船舶重工集团公司第七一九研究所 | Multi-stage adjustable throttling device |
-
2014
- 2014-11-25 CN CN201420715250.9U patent/CN204254136U/en active Active
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105444478A (en) * | 2015-12-28 | 2016-03-30 | 重庆美的通用制冷设备有限公司 | Throttling device for air conditioner |
| CN106979432A (en) * | 2016-01-15 | 2017-07-25 | 艾默生过程管理调节技术公司 | Sound attenuation for pressure regulator |
| US10437263B2 (en) | 2016-03-18 | 2019-10-08 | Kohler Co. | Toilet fill valve with improved noise performance |
| CN107202196A (en) * | 2016-03-18 | 2017-09-26 | 科勒公司 | Closestool filling-valve with improved noise performance |
| CN107202196B (en) * | 2016-03-18 | 2021-02-12 | 科勒公司 | Toilet fill valve with improved noise performance |
| CN106321524A (en) * | 2016-11-18 | 2017-01-11 | 湖南核三力技术工程有限公司 | Damping, muffling and air compensation device for orifice plate |
| CN108266590A (en) * | 2016-12-30 | 2018-07-10 | 艾默生过程管理调节技术公司 | For the noise muffler being used together with process control equipment |
| CN108266590B (en) * | 2016-12-30 | 2021-12-31 | 艾默生过程管理调节技术公司 | Noise attenuator for use with process control devices |
| CN109538486A (en) * | 2018-12-19 | 2019-03-29 | 安徽银龙泵阀股份有限公司 | A kind of centrifugal pump with air sinuses prophylactic function |
| CN110541993A (en) * | 2019-01-29 | 2019-12-06 | 深圳海油工程水下技术有限公司 | Pressure-reducing and flow-limiting device for pre-debugging water injection of underwater pipeline |
| CN110081261A (en) * | 2019-03-15 | 2019-08-02 | 中国煤层气集团有限公司 | Depressurize denoising device |
| CN111022813A (en) * | 2019-12-03 | 2020-04-17 | 四川大学 | Porous current-limiting noise-reducing pore plate and current-limiting noise reducer formed by same |
| CN111803983A (en) * | 2020-07-22 | 2020-10-23 | 湖北大江环保科技股份有限公司 | Oxygen pressure leaching flash evaporation exhaust control structure and control method thereof |
| CN111803983B (en) * | 2020-07-22 | 2020-12-29 | 湖北大江环保科技股份有限公司 | Oxygen pressure leaching flash evaporation exhaust control structure and control method thereof |
| CN115013623A (en) * | 2022-05-31 | 2022-09-06 | 中国船舶重工集团公司第七一九研究所 | Multi-stage adjustable throttling device |
| CN115013623B (en) * | 2022-05-31 | 2023-09-12 | 中国船舶重工集团公司第七一九研究所 | Multistage adjustable flow device |
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