CN217463354U - Rupture disc device capable of being repaired on line - Google Patents
Rupture disc device capable of being repaired on line Download PDFInfo
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- CN217463354U CN217463354U CN202221168904.1U CN202221168904U CN217463354U CN 217463354 U CN217463354 U CN 217463354U CN 202221168904 U CN202221168904 U CN 202221168904U CN 217463354 U CN217463354 U CN 217463354U
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- rupture disk
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- rupture
- side flange
- bearing equipment
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Abstract
The utility model provides a but online prosthetic rupture disk device relates to rupture disk technical field, has solved the malfunction and has released, needs the outage to overhaul, can cause the problem of loss. The utility model discloses a pressure-bearing equipment, control box, be connected with the rupture disk branch pipe more than two on the pressure-bearing equipment lateral wall, the electromagnetism trip valve is installed to rupture disk branch pipe root, install the rupture disk device on the rupture disk branch pipe, still including the differential pressure transmitter who is used for monitoring the pressure value on the pressure-bearing equipment constantly, differential pressure transmitter's pressure taking point is located each on the rupture disk branch pipe. The utility model has the advantages that: the rupture disk device is arranged in a multi-point mode, risks can be dispersed, the function of a safety accessory of the rupture disk device can be achieved, and frequent production stop loss caused by misoperation of factors of the rupture disk device can be avoided.
Description
Technical Field
The utility model relates to a rupture disk technical field, concretely relates to but online prosthetic rupture disk device.
Background
The rupture disk is a common overpressure relief protection safety accessory for low-pressure equipment, and is particularly suitable for occasions that the pressure in a container rises rapidly and the safety valve is not in time to react. When the rupture disk device acts, the rupture disk is destroyed and then is released, namely after the release occurs, the device is required to stop production immediately; if the overpressure caused by physical overpressure or chemical flash explosion warning is determined before discharging, the device must be stopped for troubleshooting to eliminate hidden dangers, and the device can be recovered to operate after treatment; if the overpressure condition does not occur actually, the overpressure condition is caused by the reliability problem of the rupture disk, and the reasons may be the material factor of the rupture disk, the fatigue factor under the pressure change of the process medium, the corrosion factor, the fastener problem and the like. In practical production, both overpressure relief of the device and misoperation relief caused by the reliability factor of the rupture disk exist, but the latter is the large proportion. The malfunction is released, and the production is stopped for maintenance, which causes loss.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to the above-mentioned problem, a but online prosthetic rupture disk device is provided, and rupture disk device sets up to the multipoint mode, can disperse the risk, can carry out automatic cutout after rupture disk kinetic energy reason breaks appearing, guarantees the normal clear of production, makes things convenient for rupture disk device to carry out online restoration, can realize rupture disk device safety accessory's function, can not cause frequent outage loss because of rupture disk device self factor malfunction again.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a rupture disc device that can online repair, it includes pressure-bearing equipment, control box, its characterized in that: the pressure-bearing equipment comprises a pressure-bearing equipment and is characterized in that the side wall of the pressure-bearing equipment is connected with more than two rupture disk branch pipes, the root parts of the rupture disk branch pipes are provided with electromagnetic cut-off valves, the rupture disk branch pipes are provided with rupture disk devices, the pressure-bearing equipment also comprises differential pressure transmitters for constantly monitoring the pressure value on the pressure-bearing equipment, and pressure taking points of the differential pressure transmitters are positioned on the rupture disk branch pipes;
the control box comprises a DCS controller and a photoelectric alarm, the differential pressure transmitter is electrically connected with the DCS controller, and the DCS controller is electrically connected with the electromagnetic cut-off valve.
The further improvement is that: the rupture disk device comprises a pressure side flange, a pressure relief side flange and a group of clamping devices, wherein the pressure side flange is arranged on a rupture disk branch pipe and plays a role in bearing backpressure, the pressure relief side flange is arranged above the pressure side flange, and the group of clamping devices are arranged between the pressure side flange and the pressure relief side flange.
The further improvement is that: the rupture disk is positive arch rupture disk, the rupture disk is from up comprising first intensity membrane, middle seal membrane, second intensity membrane from down in proper order.
The further improvement is that: and a marking plate for marking the rupture disk device and conveniently checking is arranged on the side wall of the holder.
The further improvement is that: the principle of the multi-point type of the branch pipe of the rupture disk is calculated according to the GB150 appendix B, namely the actual discharge area Sigma A is met n Not less than the calculated minimum relief area A, wherein the cross-sectional area of the relief branch pipe mouth is A n . When one of the n discharge ports explodes, the sigma A is still ensured n -1≥A。
After adopting above-mentioned technical scheme, compare in prior art and have following beneficial effect:
the rupture disk is set to be multi-point according to the calculation requirement of GB150 annex B, can disperse risks, is provided with an electromagnetic cut-off valve at the root of a rupture disk branch pipe, is automatically controlled with a DCS controller, can be automatically cut off after rupture of the rupture disk kinetic energy causes, guarantees the normal operation of production, facilitates the rupture disk device to carry out online repair, can realize the function of a safety accessory of the rupture disk device, and cannot cause frequent production stop loss due to malfunction of the rupture disk device self factors.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic diagram of the circuit principle structure of the present invention;
fig. 3 is a schematic structural diagram of the rupture disk device 5 of the present invention;
description of reference numerals: pressure equipment 1, control box 2, DCS controller 21, photoelectric alarm 22, rupture disk branch pipe 3, electromagnetic shut-off valve 4, rupture disk device 5, pressure side flange 51, pressure release side flange 52, rupture disk 53, holder 54, label plate 55 and differential pressure transmitter 6.
Detailed Description
Referring to fig. 1 to fig. 3, the technical solution adopted by the present embodiment is:
the rupture disk device capable of being repaired on line comprises a pressure-bearing device 1 and a control box 2, wherein the side wall of the pressure-bearing device 1 is connected with more than two rupture disk branch pipes 3, the roots of the rupture disk branch pipes 3 are provided with electromagnetic cut-off valves 4, the rupture disk branch pipes 3 are provided with rupture disk devices 5, the rupture disk device further comprises a differential pressure transmitter 6 for constantly monitoring the pressure value on the pressure-bearing device 1, and the pressure taking point of the differential pressure transmitter 6 is positioned on each rupture disk branch pipe 3;
the control box 2 comprises a DCS controller 21 and a photoelectric alarm 22, the differential pressure transmitter 6 is electrically connected with the DCS controller 21, and the DCS controller 21 is electrically connected with the electromagnetic cut-off valve 4.
The rupture disk device 5 comprises a pressure side flange 51 which is arranged on the rupture disk branch pipe 3 and plays a role in bearing back pressure, a pressure relief side flange 52 which is arranged above the pressure side flange 51, and a group of clamping devices 54 which are arranged between the pressure side flange 51 and the pressure relief side flange 52, wherein a rupture disk 53 is arranged between the two clamping devices 54.
The rupture disk 53 is a positive arch rupture disk, and the rupture disk 53 sequentially comprises a first strength membrane, a middle sealing membrane and a second strength membrane from bottom to top.
Wherein, the side wall of the holder 54 is provided with a marking plate 54 for marking the rupture disk device 5 for convenient investigation.
Wherein, the principle after the rupture disk branch pipe 3 is changed into a multi-point type calculates the requirement according to GB150 appendix B, namely accords with the actual discharge area Sigma A n Not less than the calculated minimum bleeding area A, wherein the bleeding branchThe cross-sectional area of the orifice is A n . When one of the n discharge ports explodes, the sigma A is still ensured n -1≥A。
The utility model discloses a theory of operation: the single-point or two-point rupture disk is converted into multiple points, risks can be dispersed, an electromagnetic cut-off valve is arranged at the root of a rupture disk branch pipe and is automatically controlled by a DCS controller, when the rupture disk on one rupture disk branch pipe is ruptured and released, the DCS controller records the pressure value of pressure-bearing equipment detected by a differential pressure transmitter at the moment, the rupture reason of the rupture disk is rapidly judged by comparing the pressure difference on the ruptured adjacent rupture disk branch pipes, after the rupture disk is determined to be broken due to kinetic energy, the electromagnetic cut-off valve at the root of the rupture disk branch pipe on the equipment still keeping a positive pressure release state is closed, the production state of the equipment is instantly recovered to be normal, and then the rupture disk is repaired on line after manual recheck confirmation and related certification; when the simultaneous explosion of more than or equal to 1 point occurs, the DCS controller determines that the device is subjected to overpressure release and the rupture disc normally and safely acts, immediately enters a parking state and a reason checking state, and can recover after the processing according to the program is finished; if the single-point blasting and the electromagnetic cut-off valve are closed and the 2 nd point blasting piece blasting release occurs, the DCS controller determines the system to stop and investigate according to the overpressure of the device; the arrangement of the marking plate is convenient for checking the released rupture disk.
Having shown and described the basic principles and essential features of the invention and its advantages, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but is susceptible to various changes and modifications without departing from the spirit and scope of the invention, all of which are intended to be covered by the appended claims and their equivalents. The details of the present invention are well known to those skilled in the art.
Claims (4)
1. The utility model provides a rupture disc device that can online repair, it includes pressure-bearing equipment, control box, its characterized in that: the pressure-bearing equipment comprises a pressure-bearing equipment and is characterized in that the side wall of the pressure-bearing equipment is connected with more than two rupture disk branch pipes, the root parts of the rupture disk branch pipes are provided with electromagnetic cut-off valves, the rupture disk branch pipes are provided with rupture disk devices, the pressure-bearing equipment also comprises differential pressure transmitters for constantly monitoring the pressure value on the pressure-bearing equipment, and pressure taking points of the differential pressure transmitters are positioned on the rupture disk branch pipes;
the control box comprises a DCS controller and a photoelectric alarm, the differential pressure transmitter is electrically connected with the DCS controller, and the DCS controller is electrically connected with the electromagnetic cut-off valve.
2. An on-line repairable rupture disc apparatus according to claim 1, wherein: the rupture disk device comprises a pressure side flange, a pressure relief side flange and a group of clamping devices, wherein the pressure side flange is arranged on a rupture disk branch pipe and plays a role in bearing backpressure, the pressure relief side flange is arranged above the pressure side flange, and the group of clamping devices are arranged between the pressure side flange and the pressure relief side flange.
3. An on-line repairable rupture disc apparatus according to claim 2, wherein: the rupture disk is positive arch rupture disk, the rupture disk from up in proper order down comprises first intensity membrane, middle seal membrane, second intensity membrane.
4. An on-line repairable rupture disc apparatus according to claim 2, wherein: and a marking plate for marking the rupture disk device and conveniently checking is arranged on the side wall of the holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221168904.1U CN217463354U (en) | 2022-05-16 | 2022-05-16 | Rupture disc device capable of being repaired on line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221168904.1U CN217463354U (en) | 2022-05-16 | 2022-05-16 | Rupture disc device capable of being repaired on line |
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| Publication Number | Publication Date |
|---|---|
| CN217463354U true CN217463354U (en) | 2022-09-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221168904.1U Active CN217463354U (en) | 2022-05-16 | 2022-05-16 | Rupture disc device capable of being repaired on line |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115899339A (en) * | 2023-03-10 | 2023-04-04 | 成都凯天电子股份有限公司 | Reverse-arch type optical fiber rupture disk |
-
2022
- 2022-05-16 CN CN202221168904.1U patent/CN217463354U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115899339A (en) * | 2023-03-10 | 2023-04-04 | 成都凯天电子股份有限公司 | Reverse-arch type optical fiber rupture disk |
| CN115899339B (en) * | 2023-03-10 | 2023-05-26 | 成都凯天电子股份有限公司 | Inverted arch type optical fiber rupture disk |
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