CN220910813U - Double-diaphragm alarm device of pulsation damper - Google Patents
Double-diaphragm alarm device of pulsation damper Download PDFInfo
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- CN220910813U CN220910813U CN202322560643.9U CN202322560643U CN220910813U CN 220910813 U CN220910813 U CN 220910813U CN 202322560643 U CN202322560643 U CN 202322560643U CN 220910813 U CN220910813 U CN 220910813U
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- 230000010349 pulsation Effects 0.000 title claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 230000000670 limiting effect Effects 0.000 claims description 15
- 230000009977 dual effect Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 239000012530 fluid Substances 0.000 abstract description 4
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 239000002356 single layer Substances 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 4
- 230000003313 weakening effect Effects 0.000 description 4
- 230000036961 partial effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to the technical field of fluid devices, in particular to a double-diaphragm alarm device of a pulsation damper, which comprises a lower cylinder, wherein an upper cylinder is arranged at the upper end of the lower cylinder, two groups of lifting lugs and an inflation assembly are arranged at the upper end of the upper cylinder, and the two groups of lifting lugs are respectively positioned at two sides of the inflation assembly; the adjusting mechanism comprises a cylinder upper flange welded at the bottom end of the upper cylinder, and a cylinder lower flange is welded at the upper end of the lower cylinder; and an alarm device is arranged on the left side of the flange on the cylinder body, and an access channel is communicated with the right side of the alarm device. The utility model is beneficial to monitoring the states of the lower diaphragm and the upper diaphragm by designing the alarm mechanism, is convenient for reminding in time when the lower diaphragm and the upper diaphragm are broken, is convenient for personnel to process, reduces risks and improves safety, and when a single-layer diaphragm is broken and feeds back an alarm signal, the single diaphragm can still continue to work, so that the stability of operation is convenient to maintain.
Description
Technical Field
The utility model relates to the technical field of fluid devices, in particular to a double-diaphragm alarm device of a pulsation damper.
Background
Pulsation dampers are accessory devices widely used in pipeline hydraulic systems in industries such as petrochemical industry, environmental protection, chemical industry, sewage treatment and the like, and are generally used for reducing the unevenness of discharge flow of reciprocating pumps (such as reciprocating pumps and metering pumps) and reducing hydraulic impact (such as water hammer effect) of the pipeline systems.
The diaphragm type pulsation damper structure in the market is usually broken under the working conditions of high temperature, high pressure and strong corrosiveness, so that the pulsation damper is disabled and cannot continue to work, and an alarm is given after the diaphragm is broken, so that accidents are often happened and are inconvenient to recover, damage can be timely perceived, and the safety performance of the pulsation damper can be guaranteed by an alarm device capable of continuing to work, and no leakage is ensured under the high-pressure state.
For this purpose, a double-diaphragm alarm device of a pulsation damper is proposed.
Disclosure of utility model
The utility model aims to provide a double-diaphragm alarm device of a pulsation damper, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the double-diaphragm alarm device of the pulsation damper comprises a lower cylinder, wherein an upper cylinder is arranged at the upper end of the lower cylinder, two groups of lifting lugs and an inflation assembly are arranged at the upper end of the upper cylinder, and the two groups of lifting lugs are respectively positioned at two sides of the inflation assembly;
The adjusting mechanism comprises a cylinder upper flange welded at the bottom end of the upper cylinder, and a cylinder lower flange is welded at the upper end of the lower cylinder;
And an alarm device is arranged on the left side of the flange on the cylinder body, and an access channel is communicated with the right side of the alarm device.
Preferably, the bottom of the lower cylinder is welded with a connecting pipe, and the bottom of the connecting pipe is welded with a connecting flange.
Preferably, the inner cavity of the upper flange of the cylinder body is provided with an upper limiting valve core and an upper reset spring, the upper reset spring is sleeved on the outer side of the upper limiting valve core, the inner cavity of the lower flange of the cylinder body is provided with a lower reset spring and a lower limiting valve core, and the lower reset spring is sleeved on the outer side of the lower limiting valve core.
Preferably, the upper end of the lower flange of the cylinder is stuck with a lower diaphragm, the bottom end of the upper flange of the cylinder is stuck with an upper diaphragm, two groups of alarm pieces are arranged between the lower diaphragm and the upper diaphragm, and a supporting ring is arranged between the two groups of alarm pieces.
Preferably, the top end of the lower limiting valve core is attached to the bottom end of the lower diaphragm, and the bottom end of the upper limiting valve core is attached to the upper end of the upper diaphragm.
Preferably, a medium cavity is arranged between the lower cylinder and the lower diaphragm, and a gas passing hole is arranged between the upper cylinder and the upper diaphragm.
Preferably, five groups of overflow holes are uniformly formed in the bottom end of the lower flange of the cylinder body, and five groups of air cavities are uniformly formed in the upper end of the upper flange of the cylinder body.
Preferably, the bottom of the entering channel extends to the upper end of the supporting ring through the upper flange of the cylinder body, the upper diaphragm and the alarm piece, and the entering channel is L-shaped.
The utility model has the beneficial effects that:
1. The utility model is beneficial to resisting the increase of the system pipeline pressure by designing the adjusting mechanism, plays a role in weakening peak pressure and making up the problem of insufficient liquid medium, and periodically and continuously generates the working process, thus achieving the purpose of smooth pulsation.
2. The utility model is beneficial to monitoring the states of the lower diaphragm and the upper diaphragm by designing the alarm mechanism, is convenient for reminding in time when the lower diaphragm and the upper diaphragm are broken, is convenient for personnel to process, reduces risks and improves safety, and when a single-layer diaphragm is broken and feeds back an alarm signal, the single diaphragm can still continue to work, so that the stability of operation is convenient to maintain.
Drawings
In order to more clearly illustrate the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only of the utility model and that other drawings can be obtained from them without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of a dual diaphragm alarm device for a pulsation damper according to an embodiment of the present utility model;
FIG. 2 is a schematic cross-sectional view of the dual diaphragm alarm device of FIG. 1 A-A of a pulsation damper according to an embodiment of the present utility model;
FIG. 3 is a partial schematic view of a dual diaphragm position shaft side of a dual diaphragm alarm device for a pulsation damper according to an embodiment of the present utility model;
FIG. 4 is a schematic diagram of an upper diaphragm rupture alarm for a dual diaphragm alarm device for a pulsation damper according to an embodiment of the present utility model;
Fig. 5 is a schematic diagram of a lower diaphragm rupture alarm of a dual diaphragm alarm device for a pulsation damper according to an embodiment of the present utility model.
Marked in the figure as: 1. a lower cylinder; 2. an upper cylinder; 3. connecting pipe; 4. a connecting flange; 5. lifting lugs; 6. an inflation assembly; 7. a flange on the cylinder; 8. a lower flange of the cylinder; 9. a connecting screw; 10. an alarm device; 11. a lower return spring; 12. a lower limit valve core; 13. an upper limit valve core; 14. an upper return spring; 15. a lower diaphragm; 16. an upper diaphragm; 17. an alarm piece; 18. a support ring; 19. entering the channel; 20. an overflow hole; 21. a medium chamber; 22. an air cavity; 23. and (5) passing through pores.
Detailed Description
The present utility model will be further described in detail with reference to specific embodiments in order to make the objects, technical solutions and advantages of the present utility model more apparent.
It is to be noted that unless otherwise defined, technical or scientific terms used herein should be taken in a general sense as understood by one of ordinary skill in the art to which the present utility model belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
As shown in fig. 1 to 4, a specific embodiment of the present utility model provides a dual-diaphragm alarm device of a pulsation damper, which comprises a lower cylinder 1, wherein an upper cylinder 2 is arranged at the upper end of the lower cylinder 1, two groups of lifting lugs 5 and an inflation assembly 6 are arranged at the upper end of the upper cylinder 2, and the two groups of lifting lugs 5 are respectively positioned at two sides of the inflation assembly 6;
The adjusting mechanism comprises a cylinder upper flange 7 welded at the bottom end of the upper cylinder 2, and a cylinder lower flange 8 is welded at the upper end of the lower cylinder 1;
And an alarm device 10 is arranged on the left side of the flange 7 on the cylinder body, and an inlet channel 19 is communicated with the right side of the alarm device 10.
By adopting the technical scheme, the utility model is provided with the regulating mechanism and the alarm mechanism, the regulating mechanism can resist the increase of the system pipeline pressure, play a role in weakening peak pressure and compensating for the problem of insufficient liquid medium, and the alarm mechanism can monitor the states of the lower diaphragm 15 and the upper diaphragm 16, so that the alarm mechanism can prompt when the lower diaphragm 15 and the upper diaphragm 16 are broken, is convenient for personnel to process, reduces risks and improves safety.
Specifically, as shown in fig. 2 and 3, a connecting pipe 3 is welded at the bottom end of the lower barrel 1, a connecting flange 4 is welded at the bottom end of the connecting pipe 3, an inner cavity of an upper barrel flange 7 is provided with an upper limiting valve core 13 and an upper return spring 14, the upper return spring 14 is sleeved on the outer side of the upper limiting valve core 13, an inner cavity of a lower barrel flange 8 is provided with a lower return spring 11 and a lower limiting valve core 12, the lower return spring 11 is sleeved on the outer side of the lower limiting valve core 12, a lower diaphragm 15 is stuck at the upper end of the lower barrel flange 8, an upper diaphragm 16 is stuck at the bottom end of the upper barrel flange 7, a top end of the lower limiting valve core 12 is stuck at the bottom end of the lower diaphragm 15, a medium cavity 21 is arranged between the lower barrel 1 and the lower diaphragm 15, an air passing hole 23 is arranged between the upper barrel 2 and the upper diaphragm 16, five groups of air passing holes 20 are uniformly formed in the bottom end of the lower barrel flange 8, and five groups of air cavities 22 are uniformly formed in the upper end of the upper barrel flange 7.
Through adopting above-mentioned technical scheme, during operation, pulsation damper links to each other with the system's pipeline through takeover 3 and flange 4, liquid medium gets into down barrel 4 intracavity through flange takeover 3 and flange 4, and through the overflow hole 20 on barrel lower flange 8 cross the flow hole and reach lower diaphragm 15 downside, when medium intake is big enough, through the elasticity deformation takes place for lower diaphragm 15 of pipeline system pressure promotion, promote the upward uplift of upper diaphragm 16 in order to provide more spaces to hold excessive medium fluid, thereby make the liquid that the pipeline was flowed out not excessive, then upper diaphragm 16 uplift simultaneously, also make the pre-inflatable body in upper barrel 2 pressurized, the volume reduces, gas pressure increases, be used for resisting the deformation trend of upper diaphragm 16, finally when the flow of liquid medium in the pipeline system is not excessive the value, the liquid medium that stores earlier in the damper is under the effect of gas pressure, through lower diaphragm 15 and upper diaphragm 16 reverse deformation is extruded into the system's pipeline, the effect of weakening peak pressure and make up the liquid medium insufficient problem, and the work cycle continuously takes place, the purpose that pulsation can be reached again.
Specifically, as shown in fig. 4 and 5, two sets of alarm pieces 17 are arranged between the lower diaphragm 15 and the upper diaphragm 16, a support ring 18 is arranged between the two sets of alarm pieces 17, the bottom end of the inlet channel 19 extends to the upper end of the support ring 18 through the upper flange 7 of the cylinder, the upper diaphragm 16 and the alarm pieces 17, and the inlet channel 19 is in an L-shaped arrangement.
Through adopting above-mentioned technical scheme, when upper diaphragm 16 takes place to break, the gas in the cavity of attenuator upper portion medium chamber 21 flows into between lower diaphragm 15 and the upper diaphragm 16 from upper diaphragm 16 rupture department, flow through support ring 18 slot clearance, it flows into alarm device 10 to pass through alarm piece 17, upper diaphragm 16, access channel 19, the pressure gauge pointer left side is partial to indicate that upper diaphragm 16 breaks, when lower diaphragm 15 takes place to break, medium flows into between lower diaphragm 15 and the upper diaphragm 16 from lower diaphragm 15 rupture department in attenuator lower medium chamber 21, flow through support ring 18 slot clearance, it flows into alarm device 10 to pass through alarm piece 17, upper diaphragm 16, access channel 19 right side is partial to indicate that lower diaphragm 15 breaks, be favorable to monitoring the state of lower diaphragm 15 and upper diaphragm 16, be convenient for in time remind when lower diaphragm 15 and upper diaphragm 16 take place to break, the personnel handle, reduce the risk, and improve the security, and single diaphragm still can continue working when the feedback alarm signal takes place for single diaphragm, the stability of operation is convenient to maintain.
Working principle: when the pulsation damper works, the pulsation damper is connected with a system pipeline through the connecting pipe 3 and the connecting flange 4, liquid medium enters the cavity of the lower cylinder 4 through the flange connecting pipe 3 and the connecting flange 4, and reaches the lower side of the lower diaphragm 15 through the overflow hole 20 on the lower flange 8 of the cylinder, when the medium entering amount is large enough, the lower diaphragm 15 is pushed by the pressure of the pipeline system to elastically deform, the upper diaphragm 16 is pushed to bulge upwards to provide more space for accommodating excessive medium fluid, so that the liquid flowing out of the pipeline is not excessive, then the upper diaphragm 16 bulges upwards, simultaneously, the pre-inflation body in the upper cylinder 2 is pressed, the volume is reduced, the gas pressure is increased to resist the deformation trend of the upper diaphragm 16, and finally, when the flow of the liquid medium in the pipeline system is not excessively fixed, the liquid medium stored in the damper is extruded into the system pipeline under the action of the gas pressure through the reverse deformation of the lower diaphragm 15 and the upper diaphragm 16, the effect of weakening the peak pressure and the problem of the shortage of the liquid medium is solved, and the aim of continuously pulsation in a working process can be achieved;
When the upper diaphragm 16 breaks, gas in the cavity of the medium cavity 21 at the upper part of the damper flows into the space between the lower diaphragm 15 and the upper diaphragm 16 from the broken position of the upper diaphragm 16, flows through the slot gap of the supporting ring 18, flows into the alarm device 10 through the alarm piece 17, the upper diaphragm 16 and the inlet channel 19, the pointer of the pressure gauge is left-deviated to indicate that the upper diaphragm 16 breaks, when the lower diaphragm 15 breaks, the medium in the medium cavity 21 at the lower part of the damper flows into the space between the lower diaphragm 15 and the upper diaphragm 16 from the broken position of the lower diaphragm 15, flows through the slot gap of the supporting ring 18, flows into the alarm device 10 through the alarm piece 17, the upper diaphragm 16 and the inlet channel 19, and the pointer of the pressure gauge is right-deviated to indicate that the lower diaphragm 15 breaks, so that the state of the lower diaphragm 15 and the upper diaphragm 16 can be timely reminded, the personnel can conveniently process the state, the risk is reduced, and the single diaphragm can still continuously work when the feedback alarm signal occurs when the single-layer diaphragm breaks, and the stability of operation is convenient to maintain.
Those of ordinary skill in the art will appreciate that: the discussion of any of the embodiments above is merely exemplary and is not intended to suggest that the scope of the utility model (including the claims) is limited to these examples; the technical features of the above embodiments or in the different embodiments may also be combined within the idea of the utility model, the steps may be implemented in any order and there are many other variations of the different aspects of the utility model as described above, which are not provided in detail for the sake of brevity.
The present utility model is intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. of the present utility model should be included in the scope of the present utility model.
Claims (8)
1. The double-diaphragm alarm device of the pulsation damper comprises a lower cylinder body, and is characterized in that an upper cylinder body is arranged at the upper end of the lower cylinder body, two groups of lifting lugs and an inflation assembly are arranged at the upper end of the upper cylinder body, and the two groups of lifting lugs are respectively positioned at two sides of the inflation assembly;
The adjusting mechanism comprises a cylinder upper flange welded at the bottom end of the upper cylinder, and a cylinder lower flange is welded at the upper end of the lower cylinder;
And the left side of the flange on the cylinder body is provided with an alarm device, and the right side of the alarm device is communicated with an access channel.
2. The double diaphragm alarm device of claim 1, wherein the bottom end of the lower cylinder is welded with a connecting pipe, and the bottom end of the connecting pipe is welded with a connecting flange.
3. The double-diaphragm alarm device of the pulsation damper according to claim 2, wherein an inner cavity of the upper flange of the cylinder is provided with an upper limiting valve core and an upper reset spring, the upper reset spring is sleeved on the outer side of the upper limiting valve core, an inner cavity of the lower flange of the cylinder is provided with a lower reset spring and a lower limiting valve core, and the lower reset spring is sleeved on the outer side of the lower limiting valve core.
4. A dual diaphragm alarm device for a pulsation damper according to claim 3, wherein a lower diaphragm is attached to an upper end of the lower flange of the cylinder, an upper diaphragm is attached to a bottom end of the upper flange of the cylinder, two sets of alarm pieces are arranged between the lower diaphragm and the upper diaphragm, and a support ring is arranged between the two sets of alarm pieces.
5. The dual diaphragm alarm device of claim 4, wherein the top end of the lower limit valve core is attached to the bottom end of the lower diaphragm, and the bottom end of the upper limit valve core is attached to the upper end of the upper diaphragm.
6. The dual diaphragm alarm device of claim 5, wherein a dielectric chamber is provided between the lower cylinder and the lower diaphragm, and a gas passing hole is provided between the upper cylinder and the upper diaphragm.
7. The double-diaphragm alarm device of the pulsation damper according to claim 6, wherein five groups of overflow holes are uniformly formed in the bottom end of the lower flange of the cylinder, and five groups of air cavities are uniformly formed in the upper end of the upper flange of the cylinder.
8. The dual diaphragm alarm device of claim 7, wherein the bottom end of the inlet passage extends to the upper end of the support ring through the upper flange of the cylinder, the upper diaphragm and the alarm tab, and the inlet passage is provided in an L-shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322560643.9U CN220910813U (en) | 2023-09-20 | 2023-09-20 | Double-diaphragm alarm device of pulsation damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322560643.9U CN220910813U (en) | 2023-09-20 | 2023-09-20 | Double-diaphragm alarm device of pulsation damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220910813U true CN220910813U (en) | 2024-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322560643.9U Active CN220910813U (en) | 2023-09-20 | 2023-09-20 | Double-diaphragm alarm device of pulsation damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220910813U (en) |
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2023
- 2023-09-20 CN CN202322560643.9U patent/CN220910813U/en active Active
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