CN203395484U - Metal corrugated water hammer eliminator - Google Patents
Metal corrugated water hammer eliminator Download PDFInfo
- Publication number
- CN203395484U CN203395484U CN201320472106.2U CN201320472106U CN203395484U CN 203395484 U CN203395484 U CN 203395484U CN 201320472106 U CN201320472106 U CN 201320472106U CN 203395484 U CN203395484 U CN 203395484U
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- spring
- water hammer
- connecting plate
- flange
- base plate
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Abstract
The utility model provides a metal corrugated water hammer eliminator comprising a shell, a flange, a metal bellow expansion joint, a spring, a base plate and a displacement guide rod. The metal corrugated water hammer eliminator is characterized in that the metal bellow expansion joint is connected with the spring through a connecting plate welded together with one end of a connecting tube of the metal bellow expansion joint; the other end of the connecting tube is welded to the flange; the spring and the connecting plate are connected with the base plate through a spring fixture block welded to the connecting plate and the base plate; the metal bellow expansion joint and the whole spring are fixed in the shell through the displacement guide rod; the flange is provided with an entrance. Compared with diaphragm and piston type water hammer eliminator, the metal corrugated water hammer eliminator uses a better realizable mode of the combination of the metal bellow expansion joint and the spring instead of the condition of a sealed gas chamber relatively hard to maintain, and thus, the metal corrugated water hammer eliminator has the advantages of being relatively simpler in technology, applicable to general chemical liquid mediums, generally suitable to pipes with the nominal caliber of 50 to 1,000mm, large in diameter range and good in application prospects.
Description
Technical field
The utility model belongs to chemical industry equipment field, be specifically related to a kind of can be for eliminating the wavy metal water-hammer arrester of the water hammer power producing in chemical industry liquid conducting pipes.
Background technique
In chemical liquid course of conveying, often there will be the open and close because of valve or pump to cause the water hammer that in pipeline, pressure raises suddenly, this water attack is also referred to as water hammer.It,, except meeting produces noise and vibration, also can affect the safe operation of pipe-line system, even can damage the equipment such as pump and safety check.
Common processing method, can in pipeline, add water-hammer arrester and solve problem, existing water-hammer arrester mainly contains two kinds of diaphragm type and piston types, the basic principle of the two is identical, and compression or the expansion by the pressurized gas in Yi Ge airtight chamber carrys out the water hammer power producing in extraction duct exactly.It is crucial that pressurized gas in these two kinds of mode Zhong， airtight chamber is possessed certain pressure, and the ducted liquid medium of General Requirements will clean simultaneously, is beneficial to the free-running operation of piston.But in chemical industry, in many liquid mediums, contain certain solid particle, by these two kinds of modes, process problem of water hammer and just seem not too suitable.
In the gasification frame device of Coal Chemical Industry, on lock hopper sparge water pipeline, just there is this problem, this ducted medium is the buck that contains certain solid particle, when lock hopper is worked, lock hopper valve can open and close in the cycle, can in pipeline, produce more serious water hammering, cause pipe vibration, have a strong impact on production safety.
Model utility content
The purpose of this utility model is to overcome the defect of prior art, develops a kind of wavy metal water-hammer arrester, adopts corrugated expanding metal joint and spring assembly mode to eliminate water hammer power, and simple in structure, cost is low, usage range is wide.
Wavy metal water-hammer arrester of the present utility model comprises housing, flange, corrugated expanding metal joint, spring, base plate, displacement guide rod; Corrugated expanding metal joint is connected by connecting plate with spring, and corrugated expanding metal joint is taken over one end and connecting plate is welded to connect, and the other end is connected with flange welding; Spring adopts spring fixture block to be connected with connecting plate and base plate, and spring clip block welding is on connecting plate and base plate; Corrugated expanding metal joint and spring integral body are fixed in housing by displacement guide rod, and flange is provided with entrance, and medium is by this entrance turnover wavy metal water-hammer arrester.
Further, corrugated expanding metal joint is selected universal, and wave number is according to optional 2～10 ripples of the difference of caliber; In order to increase the fatigue life of corrugated expanding metal joint, can adopt pre-stretching to process.
Flange pattern is determined according to the pressure and temperature of working medium.
Spring selects cylindrical spring, the model of spring to determine according to the calculating energy of water hammer, and conventionally for pipe diameter DN50～DN400, unit is mm, can select single spring; Pipe diameter DN500～DN1000, can select many cluster spring.
Wavy metal water-hammer arrester working principle of the present utility model is as follows:
Wavy metal water-hammer arrester should be installed near producing on the pipeline of water hammer as far as possible, while producing water hammer in pipeline, pressure medium rises sharply, under this pressure-acting, and connecting plate pressurized, while spring is pressurized also, produce compressive strain, the now corresponding generation tensile buckling of corrugated expansion joint, medium enters in the chamber of corrugated expansion joint, connecting plate and adapter composition from flange inlet streams, absorb water hammer power, pressure drop.In pipeline pressure steadily after, under the effect of spring, medium is from flange inlet streams return pipe road.So by spring energy-storage and the mode releasing energy, eliminate ducted water hammer power.
Advantage and the good effect that the utlity model has are:
Compare diaphragm type and piston type water hammer canceller, the utility model has been avoided this condition of closed gas chamber of relatively bad maintenance, but adopted the mode of corrugated expanding metal joint and this relatively good realization of spring assembly, it is simple many that technology is wanted relatively, general chemical-liquid-medium is all suitable for, conventionally on the pipeline of DN50～DN1000 bore, all can use, bore scope is also large, and application prospect is better.
Accompanying drawing explanation
Fig. 1 is wavy metal water-hammer arrester structural representation of the present utility model;
In figure:
1, spring 2, displacement guide rod 3, housing
4, corrugated expanding metal joint 5, entrance 6, flange
7, connecting plate 8, spring fixture block 9, base plate
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail, the drawings and specific embodiments do not form restriction of the present utility model.
Wavy metal water-hammer arrester of the present utility model shown in Fig. 1, comprises housing 3, flange 6, corrugated expanding metal joint 4, spring 1, base plate 9, displacement guide rod 2; Corrugated expanding metal joint 4 is connected by connecting plate 7 with spring 1, and corrugated expanding metal joint 4 takes over one end and connecting plate 7 is welded to connect, and the other end and flange 6 are welded to connect; Spring 1 adopts spring fixture block 8 to be connected with connecting plate 7 with base plate 9, and spring fixture block 8 is welded on connecting plate 7 and base plate 9; Corrugated expanding metal joint 4 and spring 1 integral body are fixed in housing 3 by displacement guide rod 2, and flange 6 is provided with entrance 5.
Corrugated expanding metal joint is selected universal, and wave number is according to optional 2～10 ripples of the difference of caliber; In order to increase the fatigue life of corrugated expanding metal joint, can adopt pre-stretching to process.Flange pattern is determined according to the pressure and temperature of working medium.
Spring selects cylindrical spring, the model of spring to determine according to the calculating energy of water hammer, and conventionally for pipe diameter DN50～DN400, unit is mm, can select single spring; Pipe diameter DN500～DN1000, can select many cluster spring.
Wavy metal water-hammer arrester should be installed near producing on the pipeline of water hammer as far as possible, while producing water hammer in pipeline, pressure medium rises sharply, under this pressure-acting, and connecting plate pressurized, while spring is pressurized also, produce compressive strain, the now corresponding generation tensile buckling of corrugated expansion joint, medium enters in the chamber of corrugated expansion joint, connecting plate and adapter composition from flange inlet streams, absorb water hammer power, pressure drop.In pipeline pressure steadily after, under the effect of spring, medium is from flange inlet streams return pipe road.On the contrary, when pressure medium declines, corrugated expanding metal joint compression, simultaneously recoil of spring.By spring energy-storage and the mode releasing energy, eliminate ducted water hammer power.
Above an embodiment of the present utility model is had been described in detail, but described content is only preferred embodiment of the present utility model, can not be considered to for limiting practical range of the present utility model.All equalization variations of doing according to the utility model application range and improvement etc., within all should still belonging to patent covering scope of the present utility model.
Claims (4)
1. a wavy metal water-hammer arrester, is characterized in that: comprise housing, flange, corrugated expanding metal joint, spring, base plate, displacement guide rod; Corrugated expanding metal joint is connected by connecting plate with spring, and corrugated expanding metal joint is taken over one end and connecting plate is welded to connect, and the other end is connected with flange welding; Spring adopts spring fixture block to be connected with connecting plate and base plate, and spring clip block welding is on connecting plate and base plate; Corrugated expanding metal joint and spring integral body are fixed in housing by displacement guide rod, and flange is provided with entrance.
2. wavy metal water-hammer arrester according to claim 1, is characterized in that: described corrugated expanding metal joint is selected universal, and wave number is according to optional 2～10 ripples of the difference of caliber.
3. wavy metal water-hammer arrester according to claim 1, is characterized in that: described spring is selected cylindrical spring.
4. wavy metal water-hammer arrester according to claim 1, is characterized in that: described spring is conventionally for pipe diameter DN50～DN400, and unit is mm, selects single spring; For pipe diameter DN500～DN1000, select many cluster spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320472106.2U CN203395484U (en) | 2013-08-02 | 2013-08-02 | Metal corrugated water hammer eliminator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320472106.2U CN203395484U (en) | 2013-08-02 | 2013-08-02 | Metal corrugated water hammer eliminator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203395484U true CN203395484U (en) | 2014-01-15 |
Family
ID=49907017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320472106.2U Expired - Lifetime CN203395484U (en) | 2013-08-02 | 2013-08-02 | Metal corrugated water hammer eliminator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203395484U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108612952A (en) * | 2018-04-16 | 2018-10-02 | 中北大学 | A kind of removing method of water-hammer arrester auxiliary device for mining machinery |
| CH716345A1 (en) * | 2019-06-24 | 2020-12-30 | Schlumpf Innovations Gmbh | Pulsation damper. |
-
2013
- 2013-08-02 CN CN201320472106.2U patent/CN203395484U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108612952A (en) * | 2018-04-16 | 2018-10-02 | 中北大学 | A kind of removing method of water-hammer arrester auxiliary device for mining machinery |
| CH716345A1 (en) * | 2019-06-24 | 2020-12-30 | Schlumpf Innovations Gmbh | Pulsation damper. |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140115 |