CN211176332U - Monitoring and protecting device for liquid chlorine conveying pipe - Google Patents
Monitoring and protecting device for liquid chlorine conveying pipe Download PDFInfo
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- CN211176332U CN211176332U CN201922228530.2U CN201922228530U CN211176332U CN 211176332 U CN211176332 U CN 211176332U CN 201922228530 U CN201922228530 U CN 201922228530U CN 211176332 U CN211176332 U CN 211176332U
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Abstract
The utility model discloses a control protection device for liquid chlorine conveyer pipe, including liquid chlorine conveyer pipe body, pressure release pipe, expansion tank, chlorine discharging pipe and rupture disk, liquid chlorine conveyer pipe body includes outer body and interior body, be provided with isolated cavity between outer body and the interior body, isolated cavity hugs closely outer body inner wall and is provided with polyurethane foam cold insulation layer, the one end of liquid chlorine conveyer pipe body is connected with the pressure release pipe, the pressure release pipe ring flange is installed with this body coupling's of liquid chlorine conveyer pipe to the pressure release pipe, be provided with bolt assembly on the pressure release pipe ring flange, the pressure release pipe ring flange passes through bolt assembly sealing connection with the mouth of pipe of seting up on liquid chlorine conveyer pipe body, orificial internally mounted has the rupture disk. The utility model discloses a set up polyurethane foam cold insulation insulating layer, expansion tank and rupture disk, solved current liquid chlorine conveyer pipe and did not possess temperature control and superpressure protection's function, the poor problem of protection effect.
Description
Technical Field
The utility model relates to the technical field, specifically be a control protection device for liquid chlorine conveyer pipe.
Background
Chlorine is a toxic gas which is extremely harmful, is yellow green at normal temperature and normal pressure, is a toxic gas with strong pungent smell, invades into a human body through a respiratory tract, is dissolved in water contained in mucous membranes to generate hypochlorous acid and hydrochloric acid, and damages the mucous membranes of the upper respiratory tract, so that the safety requirement of the chlorine conveying process is very high. At present, chlorine gas is conveyed to liquid chlorine mainly through pressurization, and then the liquid chlorine is conveyed through a liquid chlorine steel cylinder, a liquid chlorine tank truck or a pipeline.
However, the existing liquid chlorine delivery pipe has poor monitoring and protecting effects, although the existing liquid chlorine delivery pipe is provided with a two-layer structure in consideration of heat, and a liquid chlorine monitor is arranged on the delivery pipe to monitor leaked chlorine, but the temperature control and overpressure protection are not performed on the pipe in the delivery process of the chlorine, the liquid chlorine can be rapidly expanded due to the overhigh temperature of the delivery pipe, and when an enough expansion space is not available, the pressure can be increased to cause overpressure of the pipeline; on the other hand, can cause vaporization, and if vaporization is incomplete, a two-phase flow can form in the pipeline, creating a water hammer.
In view of the above, there is a need to design a new monitoring and protecting device for liquid chlorine delivery pipe to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a control protection device for liquid chlorine conveyer pipe has solved current liquid chlorine conveyer pipe and has not possessed temperature control and superpressure protection's function, the poor problem of protection effect.
A monitoring and protecting device for a liquid chlorine conveying pipe comprises a liquid chlorine conveying pipe body, a pressure relief pipe, an expansion tank, a chlorine discharge pipe and a rupture disk, wherein the liquid chlorine conveying pipe body comprises an outer pipe body and an inner pipe body, an isolation cavity is arranged between the outer pipe body and the inner pipe body, the isolation cavity is tightly attached to the inner wall of the outer pipe body and is provided with a polyurethane foam cold insulation layer, one end of the liquid chlorine conveying pipe body is connected with the pressure relief pipe, a pressure relief pipe flange is arranged at the end part of the pressure relief pipe connected with the liquid chlorine conveying pipe body, a bolt assembly is arranged on the pressure relief pipe flange, the pressure relief pipe flange is hermetically connected with a pipe opening formed in the liquid chlorine conveying pipe body through the bolt assembly, the rupture disk is arranged inside the pipe opening, the other end of the pressure relief pipe is connected with the expansion tank arranged on one side of the liquid chlorine conveying pipe body, a first audible and visual alarm is installed to one side of pressure sensor, install row chlorine pipe and liquid chlorine on the liquid chlorine conveyer pipe body and reveal the detector, install manual row chlorine valve on the row chlorine pipe, install second audible and visual alarm on the detector is revealed to liquid chlorine.
The utility model provides a control protection device for liquid chlorine conveyer pipe possesses following beneficial effect:
(1) the utility model discloses a set up polyurethane foam cold insulation insulating layer, polyurethane foam cold insulation insulating layer is cold insulation medium, can reduce the adverse effect of ambient temperature to liquid chlorine conveyer pipe body, avoids arousing liquid chlorine rapid expansion, and then arouses vaporization, pressure rising, and then causes the pipeline superpressure, can effectively improve the stability among the liquid chlorine transportation process.
(2) The utility model discloses a set up rupture disk and expansion tank, the rupture disk sets up at liquid chlorine conveyer pipe originally internally, and be connected with the expansion tank through the pressure release pipe, take place the superpressure carelessly when the pipeline, and the superpressure reaches after the certain degree, pressure passes through the explosion vent and acts on the rupture disk, the rupture disk can break before the internal pipe reaches the limit of bearing earlier, thereby carry out the pressure release to the pipeline, and the liquid chlorine of letting out and the chlorine of vaporization can get into the realization buffering in the expansion tank through the pressure release pipe, thereby can avoid arousing liquid chlorine to reveal because of the superpressure, cause the pollution to the environment, the safety of pipeline has been protected.
Drawings
FIG. 1 is an external view of the present invention;
FIG. 2 is a schematic view of the internal structure of the liquid chlorine transporting pipe body of the present invention;
fig. 3 is an enlarged view of a structure at a in fig. 2 according to the present invention.
The reference numbers in the figures are:
1. a liquid chlorine delivery pipe body; 2. an outer tubular body; 3. an inner tube body; 4. insulating the cavity; 5. polyurethane foam cold insulation and heat insulation layers; 6. a pressure relief pipe; 7. an expansion tank; 8. a pressure sensor; 9. a first audible and visual alarm; 10. a liquid chlorine leakage detector; 11. a second audible and visual alarm; 12. a chlorine discharge pipe; 13. a manual chlorine discharge valve; 14. a chlorine discharging pipe flange plate; 15. a blast opening; 16. a rupture disk; 17. a pipe orifice; 18. a flange of the pressure relief pipe; 19. a bolt assembly.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in figures 1-3, the utility model provides a technical scheme a monitoring protection device for liquid chlorine conveyer pipe, including liquid chlorine conveyer pipe body 1, pressure release pipe 6, expansion tank 7, chlorine discharging pipe 12 and rupture disk 16, liquid chlorine conveyer pipe body 1 includes outer body 2 and inner body 3, be provided with isolated cavity 4 between outer body 2 and the inner body 3, isolated cavity 4 hugs closely outer body 2 inner wall and is provided with polyurethane foam cold insulation layer 5, the one end of liquid chlorine conveyer pipe body 1 is connected with pressure release pipe 6, pressure release pipe ring flange 18 is installed to the tip that pressure release pipe 6 is connected with liquid chlorine conveyer pipe body 1, be provided with bolt assembly 19 on the pressure release pipe ring flange 18, pressure release pipe ring flange 18 passes through bolt assembly 19 sealing connection with the mouth of pipe 17 of seting up on liquid chlorine conveyer pipe body 1, the internally mounted rupture disk 16 of mouth of pipe 17, the other end of pressure release pipe 6 is connected with expansion tank 7 that sets up on liquid chlorine conveyer pipe body 1 one side, pressure sensor 8 installs pressure sensor 8 on one side first audible-visual annunciator 9, install on liquid chlorine discharging pipe body 1 and install on discharge pipe 12 and set up on the detector 13 optical detector of liquid chlorine discharge pipe 13, it is first audible-audible and visual annunciator 11 to leak alarm for the first audible and visual annunciator 11 to leak to be the chlorine discharge detector for audible and visual annunciator 13, audible and visual annunciator 11, audible and visual annunciators for.
Further, the volume of the expansion tank 7 is more than 20% of the volume of the liquid chlorine delivery pipe body 1, so that the expansion tank 7 can not be filled instantly, and sufficient time is provided for personnel to close the liquid chlorine delivery pipe body 1.
Furthermore, the inner pipe body 3 is provided with a blasting opening 15 at a position opposite to the pipe orifice 17, and the arrangement of the blasting opening 15 can facilitate the pressure in the inner pipe body 3 to be directly transmitted to the blasting sheet 16, so that the pipeline is conveniently decompressed.
Further, arrange chlorine pipe ring flange 14 is installed to the upper end of chlorine discharging pipe 12, and chlorine discharging pipe 12 passes through chlorine discharging pipe ring flange 14 and is connected with liquid chlorine absorption system, can discharge the liquid chlorine that reveals in isolated cavity 4 like this to by the better collection of liquid chlorine absorption system, avoid causing the pollution and causing the injury to personnel on every side to the environment.
Further, the feeler at the bottom of the liquid chlorine leakage detector 10 extends into the isolated cavity 4, so that the liquid chlorine leakage detector 10 can detect whether liquid chlorine leakage exists or not.
Further, the bottom port of the chlorine discharging pipe 12 is communicated with the isolation cavity 4, so that the chlorine discharging pipe 12 can collect the liquid chlorine leaked from the isolation cavity 4 conveniently.
Working principle; when the device is used, in the process of conveying liquid chlorine in the liquid chlorine conveying pipe body 1, the polyurethane foam cold insulation layer 5 can be used as a cold insulation medium, the influence of the external temperature on the liquid chlorine conveying pipe body 1 is reduced, the external heat is prevented from being transmitted to the inner pipe body 3 through the outer pipe body 2, so that the liquid chlorine is safely conveyed in the high-pressure and low-temperature environment all the time, when the internal outlet line of the liquid chlorine conveying pipe body 1 is in an overpressure condition, the rupture disc 16 can be ruptured before the inner pipe body 3 reaches a bearing limit, so that the pipeline is decompressed, the leaked liquid chlorine and vaporized chlorine can enter the expansion tank 7 through the decompression pipe 6 to realize buffering, meanwhile, the pressure sensor 8 in the expansion tank 7 can detect the pressure in the expansion tank 7 in real time, and when the pressure reaches a set value, the first audible and visual alarm 9 is triggered to remind personnel of closing the conveying of the liquid chlorine in time, and when the liquid chlorine is leaked in, the liquid chlorine leaked into the isolated cavity 4 can be detected by the liquid chlorine leakage detector 10, and the second audible and visual alarm 11 is triggered to give an alarm to remind people, and the people open the manual chlorine discharge valve 13, so that the leaked liquid chlorine is discharged into the absorption device connected with the chlorine discharge pipe 12, and the leakage is avoided.
To sum up can, the utility model discloses a set up polyurethane foam cold insulation insulating layer 5, expansion tank 7 and rupture disk 16, polyurethane foam cold insulation insulating layer 5 has the thermal-insulated effect that keeps warm, can control 1 inside temperature of liquid chlorine conveyer pipe body, and rupture disk 16 can at first break the pressure release when the superpressure, and expansion tank 7 has the cushioning effect, has solved current liquid chlorine conveyer pipe and has not possessed the function of temperature control and superpressure protection, problem that the protective effect is poor.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a control protection device for liquid chlorine conveyer pipe, includes liquid chlorine conveyer pipe body (1), pressure release pipe (6), expansion tank (7), chlorine discharging pipe (12) and rupture disk (16), its characterized in that: the liquid chlorine conveying pipe body (1) comprises an outer pipe body (2) and an inner pipe body (3), an isolation cavity (4) is arranged between the outer pipe body (2) and the inner pipe body (3), a polyurethane foam cold insulation and heat insulation layer (5) is arranged on the isolation cavity (4) and clings to the inner wall of the outer pipe body (2), one end of the liquid chlorine conveying pipe body (1) is connected with a pressure relief pipe (6), a pressure relief pipe flange (18) is installed at the end part of the pressure relief pipe (6) connected with the liquid chlorine conveying pipe body (1), a bolt assembly (19) is arranged on the pressure relief pipe flange (18), the pressure relief pipe flange (18) is hermetically connected with a pipe orifice (17) formed in the liquid chlorine conveying pipe body (1) through the bolt assembly (19), a rupture disk (16) is installed inside the pipe orifice (17), and the other end of the pressure relief pipe (6) is connected with an expansion tank (7) arranged on one side of the liquid chlorine conveying, pressure sensor (8) are installed to the upper end of expansion tank (7), first audible-visual annunciator (9) are installed to one side of pressure sensor (8), install chlorine discharge pipe (12) and liquid chlorine on liquid chlorine conveyer pipe body (1) and reveal detector (10), install manual chlorine discharge valve (13) on chlorine discharge pipe (12), install second audible-visual annunciator (11) on liquid chlorine reveals detector (10).
2. A monitoring and protection device for a liquid chlorine delivery pipe according to claim 1, characterized in that: the volume of the expansion tank (7) is more than 20 percent of the volume of the liquid chlorine conveying pipe body (1).
3. A monitoring and protection device for a liquid chlorine delivery pipe according to claim 1, characterized in that: the inner pipe body (3) is provided with a bursting port (15) at the position opposite to the pipe orifice (17).
4. A monitoring and protection device for a liquid chlorine delivery pipe according to claim 1, characterized in that: the upper end of the chlorine discharging pipe (12) is provided with a chlorine discharging pipe flange plate (14), and the chlorine discharging pipe (12) is connected with a liquid chlorine absorption system through the chlorine discharging pipe flange plate (14).
5. A monitoring and protection device for a liquid chlorine delivery pipe according to claim 1, characterized in that: and an antenna at the bottom of the liquid chlorine leakage detector (10) extends into the isolation cavity (4).
6. A monitoring and protection device for a liquid chlorine delivery pipe according to claim 1, characterized in that: the bottom port of the chlorine discharging pipe (12) is communicated with the isolation cavity (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922228530.2U CN211176332U (en) | 2019-12-12 | 2019-12-12 | Monitoring and protecting device for liquid chlorine conveying pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922228530.2U CN211176332U (en) | 2019-12-12 | 2019-12-12 | Monitoring and protecting device for liquid chlorine conveying pipe |
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| Publication Number | Publication Date |
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| CN211176332U true CN211176332U (en) | 2020-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922228530.2U Active CN211176332U (en) | 2019-12-12 | 2019-12-12 | Monitoring and protecting device for liquid chlorine conveying pipe |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113581678A (en) * | 2021-07-14 | 2021-11-02 | 广东工业大学 | Explosion-proof type raw material storage and conveying mechanism for chemical processing |
| CN114062040A (en) * | 2021-11-10 | 2022-02-18 | 惠州市绿色能源与新材料研究院 | Liquid storage and quantitative sampling device and method and application thereof |
| CN114659026A (en) * | 2022-04-11 | 2022-06-24 | 稀美资源(广东)有限公司 | Emergency treatment device and method for liquid ammonia tank |
| CN114659026B (en) * | 2022-04-11 | 2024-05-17 | 稀美资源(广东)有限公司 | Emergency treatment device for liquid ammonia tank and treatment method thereof |
-
2019
- 2019-12-12 CN CN201922228530.2U patent/CN211176332U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113581678A (en) * | 2021-07-14 | 2021-11-02 | 广东工业大学 | Explosion-proof type raw material storage and conveying mechanism for chemical processing |
| CN114062040A (en) * | 2021-11-10 | 2022-02-18 | 惠州市绿色能源与新材料研究院 | Liquid storage and quantitative sampling device and method and application thereof |
| CN114659026A (en) * | 2022-04-11 | 2022-06-24 | 稀美资源(广东)有限公司 | Emergency treatment device and method for liquid ammonia tank |
| CN114659026B (en) * | 2022-04-11 | 2024-05-17 | 稀美资源(广东)有限公司 | Emergency treatment device for liquid ammonia tank and treatment method thereof |
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