CN207514481U - A kind of high temperature pulsation damper of regime flow - Google Patents
A kind of high temperature pulsation damper of regime flow Download PDFInfo
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- CN207514481U CN207514481U CN201721639183.7U CN201721639183U CN207514481U CN 207514481 U CN207514481 U CN 207514481U CN 201721639183 U CN201721639183 U CN 201721639183U CN 207514481 U CN207514481 U CN 207514481U
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- spherical shell
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- flange
- limiting tube
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Abstract
The utility model discloses a kind of high temperature pulsation damper of regime flow, including spherical shell, snorkel, ventilation plug, current limiting tube, suction flange and outlet(discharge) flange, wherein：Snorkel one end is connected with spherical shell upper end, and ventilation plug is removably equipped on the snorkel other end；Current limiting tube one end is stretched into spherical shell, and current limiting tube inner flow passage mid diameter is less than the diameter of the runner of suction flange and outlet(discharge) flange, and the both ends in the middle part of current limiting tube inner flow passage are provided with to the gradual widened tapering transition section of two-port；One end that outlet(discharge) flange stretches out spherical shell with current limiting tube is connect；Suction flange is connected with spherical shell.The utility model reduces pumping flow pulsation rate purpose by limiting wave crest section flow to reach, and avoids because leakage increasing causes pump discharge flow pulsation to increase in valve group in pump, so as to cause the increasing of pipeline vibration.
Description
Technical field
The utility model is related to damper technique field more particularly to a kind of high temperature pulsation dampers of regime flow.
Background technology
Pulsation damper is a kind of for eliminating liquid pressure pulsations or the pressure vessel of flow pulsation in pipeline, can be risen
To stabilized fluid pressure and flow, elimination pipe vibration, protection downstream instrument and equipment, increase the effects that pump volumetric efficiency.
In the prior art, pulsation damper uses in reciprocating pump system often, and playing reduces flow pulsation in pipeline
Effect.However generally reciprocating pump rate of discharge pulsation is larger, pressure is higher, and medium temperature is higher, once there is abnormal phenomenon,
For example leakage increases in valve group in pump, may result in pump discharge flow pulsation increase, is increased so as to cause pipeline vibration.
Therefore, the utility model discloses a kind of high temperature pulsation damper of regime flow, by limiting wave crest section flow
Pumping flow pulsation rate purpose is reduced to reach, is avoided because leakage increasing causes pump discharge flow pulsation to increase in valve group in pump, from
And cause the increasing of pipeline vibration.
Utility model content
For deficiencies of the prior art, the technical problems to be solved in the utility model is：Avoid flow pulsation
Increase with the increase of flow, reduce the vibration of pipeline.
In order to solve the above technical problems, the utility model employs following technical solution：
The high temperature pulsation damper of a kind of regime flow, including spherical shell, snorkel, ventilation plug, current limiting tube, import
Flange and outlet(discharge) flange, wherein：
Described snorkel one end is connected with the spherical shell upper end, is removably equipped on the snorkel other end
The ventilation plug；
Described current limiting tube one end is stretched into the spherical shell, and the current limiting tube inner flow passage mid diameter is less than the import
The diameter of the runner of flange and the outlet(discharge) flange, the both ends in the middle part of the current limiting tube inner flow passage are provided with gradual to two-port
Widened tapering transition section；
One end that the outlet(discharge) flange stretches out the spherical shell with the current limiting tube is connect；
The suction flange is connected with the spherical shell.
Preferably, the snorkel is threadedly coupled with the ventilation plug, is provided in the snorkel and the ventilation
The opposite ventilation step surface in the end face of plug is provided with ventilation gasket between the ventilation step surface and the ventilation plug
Circle.
Preferably, the high temperature pulsation damper of the regime flow further includes blow-off pipe and blowdown plug；
Described blow-off pipe one end is connected with the lower end of the spherical shell, is removably installed on the blow-off pipe other end
There is blowdown plug.
Preferably, the blow-off pipe is threadedly coupled with the blowdown plug, is provided in the blow-off pipe and the blowdown
The opposite blowdown step surface in the end face of plug, blowdown gasket is provided between the blowdown step surface and the blowdown plug
Circle.
Preferably, the current limiting tube stretches out the part of the spherical shell and is provided with the fixed section of preset length, it is described into
The fixing pipe of preset length is provided between mouth flange and the spherical shell.
Preferably, the taper of the tapering transition section is 10 ° ~ 20 °.
In conclusion the utility model discloses a kind of high temperature pulsation damper of regime flow, including spherical shell, lead to
Tracheae, ventilation plug, current limiting tube, suction flange and outlet(discharge) flange, wherein：Snorkel one end is connected with spherical shell upper end, is led to
Ventilation plug is removably installed on the tracheae other end；Current limiting tube one end is stretched into spherical shell, in the middle part of current limiting tube inner flow passage
Diameter is less than the diameter of the runner of suction flange and outlet(discharge) flange, and the both ends in the middle part of current limiting tube inner flow passage are provided with to two-port
Gradual widened tapering transition section；One end that outlet(discharge) flange stretches out spherical shell with current limiting tube is connect；Suction flange and spherical shell
Body connects.The utility model reduces pumping flow pulsation rate purpose by limiting wave crest section flow to reach, and avoids because pumping internal valve
Leakage, which increases, in group causes pump discharge flow pulsation to increase, so as to cause the increasing of pipeline vibration.
Description of the drawings
It is new to this practicality below in conjunction with attached drawing in order to make the purpose, technical scheme and advantage of utility model clearer
Type is described in further detail, wherein：
Fig. 1 is a kind of structure diagram of the high temperature pulsation damper of regime flow disclosed in the utility model；
Fig. 2 is the partial enlargement disclosed in the utility model at a kind of snorkel of the high temperature pulsation damper of regime flow
Figure；
Fig. 3 is the partial enlargement disclosed in the utility model at a kind of blow-off pipe of the high temperature pulsation damper of regime flow
Figure.
The correspondence of attached figure label is：Outlet(discharge) flange 1, current limiting tube 2, spherical shell 3, snorkel 4, ventilation plug 5,
Fixing pipe 6, suction flange 7, current limiting tube inner flow passage middle part 22, tapering transition section 21, blow-off pipe 8, blowdown plug 9, ventilation sealing
Circle 10, blowdown sealing ring 11.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
A kind of high temperature pulsation damper of regime flow, including spherical shell 3, snorkel 4, ventilation plug 5, current limiting tube 2,
Suction flange 7 and outlet(discharge) flange 1, wherein：
4 one end of snorkel is connected with 3 upper end of spherical shell, and ventilation plug is removably equipped on 4 other end of snorkel
5；
2 one end of current limiting tube is stretched into spherical shell 3, and 22 diameters are less than suction flange 7 and outlet in the middle part of current limiting tube inner flow passage
The diameter of the runner of flange 1,22 both ends are provided with to the gradual widened tapering transition of two-port in the middle part of current limiting tube inner flow passage
Section 21；
One end that outlet(discharge) flange 1 stretches out spherical shell 3 with current limiting tube 2 is connect；
Suction flange 7 is connected with spherical shell 3.
Pulsation damper disclosed in the utility model is suitable for hot environment, therefore, directly in the spherical shell of metal 3
Compressed gas is filled with, absorbs the pressure of liquid or flow pulsation using the contraction and expansion of compressed gas.When reciprocating pump system
There is leakage increasing in valve group in abnormal conditions, such as pump in system, may result in pump discharge flow pulsation increase and pipeline vibration is caused to add
Greatly.The utility model adds a current limiting tube 2, and the caliber of current limiting tube 2 is less than the caliber of flange, therefore current limiting tube 2 can drop
The speed of the low liquid that its runner is flowed into from spherical shell 3, limitation wave crest section flow reduce pumping flow pulsation purpose to reach, from
And pipeline vibration is reduced, further, since the changeover portion with taper, can make liquid gently excessive when entering current limiting tube, it will not
Vibration is generated due to caliber reduces.
In the utility model, spherical shell 3 can be used two hemispherical case welds and form.
As shown in Fig. 2, when it is implemented, snorkel 4 with ventilation plug 5 be threadedly coupled, be provided with and ventilate in snorkel 4
The opposite ventilation step surface in the end face of plug 5 ventilates and ventilation seal washer 10 is provided between step surface and ventilation plug 5.
For the ease of the dismounting for plug 5 of ventilating, ventilation plug 5 is used with snorkel 4 and is threadedly coupled, and in ventilation plug 5
Ventilation seal washer 10 is set with the junction of snorkel 4, so as to improve the air-tightness of pulsation damper.
When it is implemented, the high temperature pulsation damper of regime flow further includes blow-off pipe 8 and blowdown plug 9；
8 one end of blow-off pipe is connected with the lower end of spherical shell 3, and being removably equipped with blowdown on 8 other end of blow-off pipe blocks up
First 9.
It flows through in the liquid of pulsation damper there may be some impurity, with the accumulation for being the time, pulsation damper
Impurity in spherical shell 3 can be increasing, can increase the abrasion to 3 inner wall of spherical shell, and influences liquid in spherical shell 3
Interior flowing reduces the working effect of pulsation damper, therefore sets blow-off pipe 8 in 3 lower end of spherical shell, and pulsation damper stops
When only working, blow-off pipe 8 is opened, discharges the impurity in spherical shell 3, the service life of pulsation damper can be extended, is kept
The working effect of pulsation damper.
As shown in figure 3, when it is implemented, blow-off pipe 8 is threadedly coupled with blowdown plug 9, it is provided in blow-off pipe 8 and blowdown
The opposite blowdown step surface in the end face of plug 9, is provided with blowdown seal washer 11 between blowdown step surface and blowdown plug 9.
For the ease of the dismounting of blowdown plug 9, blowdown plug 9 is used with blow-off pipe 8 and is threadedly coupled, and in blowdown plug 9
Blowdown seal washer 11 is set with the junction of blow-off pipe 8, so as to improve the air-tightness of pulsation damper.
When it is implemented, the part of the stretching spherical shell 3 of current limiting tube 2 is provided with the fixed section of preset length, suction flange 7
The fixing pipe 6 of preset length is provided between spherical shell 3.
Existing pulsation damper, housing both ends are directly connect with standard flange, however the linkage section of standard flange is shorter,
Pulsation damper can not be fixed by other devices, vacant state is in the course of work of pulsation damper,
When vibrating larger, safety is poor.The utility model is provided with the fixed section of preset length and fixing pipe 6, can set with fixing
The skirt or pipe clamp that section and fixing pipe 6 connect reinforce pulsation damper, improve security performance.
When it is implemented, the taper of tapering transition section 21 is 10 ° ~ 20 °.
In order to reduce the impact formed when liquid enters current limiting tube 2 and ensure being of convenient length for current limiting tube 2, tapering transition
The taper of section 21 is 10 ° ~ 20 °.
When it is implemented, the first eduction valve can be set on snorkel 4, and the first aerial drainage threshold of the first eduction valve is set
Value, when pressure is excessive in spherical shell 3 is more than the first aerial drainage threshold value, the gas in spherical shell 3 can pass through the first eduction valve
Discharge avoids that safety accident occurs, improves the safety of pulsation damper.
When it is implemented, can also set the second eduction valve on blow-off pipe 8, and the second aerial drainage threshold of the second eduction valve is set
Value, the second aerial drainage threshold value are more than the first aerial drainage threshold value, and pressure after the first eduction valve carries out aerial drainage in spherical shell 3 is after of continuing rising
High and more than after the second aerial drainage threshold value, the second eduction valve starts aerial drainage, further improves the safety of pulsation damper.
Finally illustrate, above example is merely intended for describing the technical solutions of the present application, but not for limiting the present application, although logical
The preferred embodiment crossed with reference to the utility model has been described the utility model, but those of ordinary skill in the art
It should be appreciated that various changes can be made to it in the form and details, without departing from the appended claims institute
The spirit and scope of the utility model of restriction.
Claims (6)
1. the high temperature pulsation damper of a kind of regime flow, which is characterized in that including spherical shell, snorkel, ventilation plug, limit
Flow tube, suction flange and outlet(discharge) flange, wherein：
Described snorkel one end is connected with the spherical shell upper end, is removably equipped on the snorkel other end described
Ventilation plug；
Described current limiting tube one end is stretched into the spherical shell, and the current limiting tube inner flow passage mid diameter is less than the suction flange
And the diameter of the runner of the outlet(discharge) flange, the both ends in the middle part of the current limiting tube inner flow passage, which are provided with to two-port, gradually to be expanded
Tapering transition section；
One end that the outlet(discharge) flange stretches out the spherical shell with the current limiting tube is connect；
The suction flange is connected with the spherical shell.
2. the high temperature pulsation damper of regime flow as described in claim 1, which is characterized in that the snorkel leads to described
Gas plug is threadedly coupled, and the ventilation step surface opposite with the end face of the ventilation plug is provided in the snorkel, described logical
Ventilation seal washer is provided between gas step surface and the ventilation plug.
3. the high temperature pulsation damper of regime flow as described in claim 1, which is characterized in that the high temperature of the regime flow
Pulsation damper further includes blow-off pipe and blowdown plug；
Described blow-off pipe one end is connected with the lower end of the spherical shell, the dismountable row of being equipped on the blow-off pipe other end
Dirty plug.
4. the high temperature pulsation damper of regime flow as claimed in claim 3, which is characterized in that the blow-off pipe and the row
Dirty plug is threadedly coupled, and the blowdown step surface opposite with the end face of the blowdown plug, the row are provided in the blow-off pipe
Blowdown seal washer is provided between dirty step surface and the blowdown plug.
5. the high temperature pulsation damper of regime flow as described in claim 1, which is characterized in that described in the current limiting tube stretches out
The part of spherical shell is provided with the fixed section of preset length, is provided between the suction flange and the spherical shell default
The fixing pipe of length.
6. the high temperature pulsation damper of regime flow as described in claim 1, which is characterized in that the cone of the tapering transition section
Spend is 10 ° ~ 20 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721639183.7U CN207514481U (en) | 2017-11-30 | 2017-11-30 | A kind of high temperature pulsation damper of regime flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721639183.7U CN207514481U (en) | 2017-11-30 | 2017-11-30 | A kind of high temperature pulsation damper of regime flow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207514481U true CN207514481U (en) | 2018-06-19 |
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| CN201721639183.7U Active CN207514481U (en) | 2017-11-30 | 2017-11-30 | A kind of high temperature pulsation damper of regime flow |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2574276A (en) * | 2018-05-24 | 2019-12-04 | Eaton Intelligent Power Ltd | Ripple damper |
| CN110905866A (en) * | 2019-11-08 | 2020-03-24 | 陕西航天动力高科技股份有限公司 | Single buffer at outlet of diaphragm pump |
| CN111156364A (en) * | 2020-01-14 | 2020-05-15 | 北京航空航天大学 | Double-inlet series-parallel mixed pressure pulsation attenuator |
-
2017
- 2017-11-30 CN CN201721639183.7U patent/CN207514481U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2574276A (en) * | 2018-05-24 | 2019-12-04 | Eaton Intelligent Power Ltd | Ripple damper |
| CN110905866A (en) * | 2019-11-08 | 2020-03-24 | 陕西航天动力高科技股份有限公司 | Single buffer at outlet of diaphragm pump |
| CN111156364A (en) * | 2020-01-14 | 2020-05-15 | 北京航空航天大学 | Double-inlet series-parallel mixed pressure pulsation attenuator |
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