CN110013631B - Flame arrester capable of monitoring flame retarding condition - Google Patents
Flame arrester capable of monitoring flame retarding condition Download PDFInfo
- Publication number
- CN110013631B CN110013631B CN201810019719.8A CN201810019719A CN110013631B CN 110013631 B CN110013631 B CN 110013631B CN 201810019719 A CN201810019719 A CN 201810019719A CN 110013631 B CN110013631 B CN 110013631B
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- Prior art keywords
- flame
- fire
- flame arrester
- arrester
- detection electric
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 10
- 230000000979 retarding effect Effects 0.000 title description 8
- 238000001514 detection method Methods 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims description 13
- 239000010935 stainless steel Substances 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 229910000601 superalloy Inorganic materials 0.000 claims description 2
- 238000004200 deflagration Methods 0.000 abstract description 5
- 238000005474 detonation Methods 0.000 abstract description 5
- 239000003063 flame retardant Substances 0.000 description 19
- 239000000523 sample Substances 0.000 description 10
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C4/00—Flame traps allowing passage of gas but not of flame or explosion wave
- A62C4/02—Flame traps allowing passage of gas but not of flame or explosion wave in gas-pipes
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Detection Mechanisms (AREA)
- Fire Alarms (AREA)
Abstract
The invention relates to a flame arrester capable of monitoring a flame-retarding condition, which mainly solves the problems that whether flame propagates to the flame arrester or not cannot be known in the prior art, so that the working environment where the flame arrester is positioned cannot be monitored in real time, and the dangerous environment which possibly causes deflagration or detonation in a pipeline cannot be eliminated in time. The invention adopts a flame arrester capable of monitoring the flame arrester condition, which comprises a flame arrester shell, a flame arrester element, an insulating medium, an electrode connecting wire, detection electric needles and a signal processing unit, wherein the flame arrester is provided with two detection electric needles in the flame arrester element, meanwhile, the flame arrester element is communicated with one pole of a power supply in the signal processing unit, the detection electric needles are communicated with the other pole of the power supply, and meanwhile, the technical scheme that a safety voltage is added between the flame arrester element and the detection electric needles can be used for preventing flame propagation.
Description
Technical Field
The invention relates to a flame arrester capable of monitoring fire-retarding condition.
Background
Flame arresters are devices for preventing the propagation of flames of flammable gases and flammable liquids, typically mounted on ports or ducts of the device, which function to allow the passage of a medium, but must be able to extinguish the flames. The key point of the flame arrester is a flame arrester element, the principle of extinguishing flame is that the flame temperature is rapidly reduced mainly through a heat transfer effect, and meanwhile, the concentration of active free radicals in the flame is reduced through a wall effect, so that chemical reaction in the flame is slowed down until stopping, and the flame is prevented from spreading. The existing flame arresters are made of stainless steel and have porous structures, and when flame passes through the stainless steel holes, the flame temperature is reduced.
The current flame arresters have the following problems in the use process: whether flame propagates to the working condition of flame arrester can not be known to just also can't carry out real-time supervision to the operational environment that flame arrester was located, can't eliminate in time probably causes the dangerous environment of deflagration or detonation in the pipeline.
A pipeline fire arrestor of CN 204469063 application adopts a fire-blocking core structure, and has no function of monitoring fire-blocking condition. Whether the flame propagation process occurs in the environment where the flame arrester is located cannot be known and known in time, even if the flame arrester can successfully prevent the occurrence of a certain deflagration or detonation process, related personnel cannot be reminded to analyze the reasons for the occurrence of deflagration and detonation, and hidden danger is eliminated in time.
Disclosure of Invention
The invention aims to solve the technical problems that whether flame propagates to the flame arrester cannot be known in the prior art, so that the working environment where the flame arrester is located cannot be monitored in real time, and the problem that the dangerous environment which possibly causes deflagration or detonation in a pipeline cannot be eliminated in time.
In order to solve the problems, the invention adopts the following technical scheme: the utility model provides a can monitor flame retardant condition's flame arrester, includes flame arrester shell, flame retardant component, insulating medium, electrode connecting wire, surveys electric needle, signal processing unit, the flame arrester is equipped with two and surveys electric needle in the flame retardant component, communicates the one pole of the power in flame retardant component and the signal processing unit simultaneously, surveys electric needle and the other pole intercommunication of power, has safety voltage simultaneously between flame retardant component and detection electric needle.
In the above technical solution, preferably, the signal processing unit is a signal processing module for monitoring whether a weak current passes through the whole loop.
In the above solution, preferably, the flame arrester housing is a metal housing providing mechanical support and connection of the flame arrester element.
In the above technical solution, preferably, the detecting electric needle is a conductive electric needle extending into the fire retarding element, and a gap of 2mm-10mm is formed between the electric needle and the fire retarding element.
In the above technical solution, preferably, the fire-retardant element has a porous structure, which plays a role in extinguishing a flame.
In the above-described technical solution, preferably, the material of the fire-retardant element is required to have conductivity, and the material is selected from stainless steel, superalloy, and aluminum.
In the above technical solution, preferably, the porosity of the porous structure of the fire-retardant element is 5% to 80%.
In the above technical solution, the safety voltage is preferably 12v-36v.
In the above technical solution, preferably, the insulating medium is an insulating medium for avoiding conduction between the fire retarding element and the probe and the fire retarding device casing.
In the above technical solution, preferably, the electrode connection wire is a wire connecting the fire retarding element and one pole of the power supply.
The invention adds the detection electric needle in the fire-retarding element, and can monitor whether the flame is transmitted to the fire-retarding unit or not by utilizing the conductivity of the flame, thereby providing a reliable monitoring means for the operation condition of the fire-retarding device and obtaining better technical effect.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a cross-sectional view of the firestop element.
In fig. 1 and 2, 1 a fire arrestor shell, 2 a fire-retarding element, 3 an insulating medium, 4 electrode connecting wires, 5 a first detection electric needle, 6 a second detection electric needle and 7 a signal processing unit.
The present invention is further illustrated by, but not limited to, the following examples.
Detailed Description
Please supplement the data, note the full coverage of the data
[ example 1 ]
The invention is further described below with reference to the drawings and examples. The novel flame arrester shown in fig. 1 and 2 comprises a flame arrester shell 1, a flame arrester element 2, an insulating medium 3, an electrode connecting wire 4, a first detection electric needle 5, a second detection electric needle 6 and a signal processing unit 7.
A gap of 2mm is arranged between the detection electric needle and the fire retarding element 2.
The voltage applied between the electrode connection line 4 and the probe pin is 12v.
The fire-retardant element has a porous structure and plays a role in extinguishing flame. The material of the fire-retardant element is required to have conductivity, the material is stainless steel, and the porosity of the porous structure of the fire-retardant element is 5%.
When a flame is transferred from either side of the flame arrester to the detecting electric needle 5 or 6 in the flame arrester element 2, a circuit is formed between the flame arrester element 2 and the detecting electric needle 5 or 6 due to unidirectional conductivity of the flame, and due to voltage between the flame arrester element 2 and the detecting electric needle 5 or 6, current is generated in the whole circuit, and the signal processing unit 7 detects the current and can send out a signal indicating that the flame is transferred to the flame arrester.
[ example 2 ]
According to the conditions described in example 1, a gap of 10mm was provided between the probe pin and the fire-retarding element 2.
The voltage applied between the electrode connection line 4 and the probe pin was 36v.
The fire-retardant element has a porous structure and plays a role in extinguishing flame. The material of the fire-retardant element is required to have conductivity, the material is selected from high-temperature alloy, and the porosity of the porous structure of the fire-retardant element is 80%.
When a flame is transferred from either side of the flame arrester to the detecting electric needle 5 or 6 in the flame arrester element 2, a circuit is formed between the flame arrester element 2 and the detecting electric needle 5 or 6 due to unidirectional conductivity of the flame, and due to voltage between the flame arrester element 2 and the detecting electric needle 5 or 6, current is generated in the whole circuit, and the signal processing unit 7 detects the current and can send out a signal indicating that the flame is transferred to the flame arrester.
[ example 3 ]
According to the conditions described in example 1, there is a gap of 5mm between the probe pin and the fire-retarding element 2.
The voltage applied between the electrode connection line 4 and the probe pin is 12v.
The fire-retardant element has a porous structure and plays a role in extinguishing flame. The material of the fire-retarding element is required to have conductivity, and the material is selected from aluminum, and the porosity of the porous structure of the fire-retarding element is 50%.
When a flame is transferred from either side of the flame arrester to the detecting electric needle 5 or 6 in the flame arrester element 2, a circuit is formed between the flame arrester element 2 and the detecting electric needle 5 or 6 due to unidirectional conductivity of the flame, and due to voltage between the flame arrester element 2 and the detecting electric needle 5 or 6, current is generated in the whole circuit, and the signal processing unit 7 detects the current and can send out a signal indicating that the flame is transferred to the flame arrester.
[ example 4 ]
According to the conditions described in example 1, there is an 8mm gap between the probe pin and the fire-retarding element 2.
The voltage applied between the electrode connection line 4 and the probe pin was 36v.
The fire-retardant element has a porous structure and plays a role in extinguishing flame. The material of the fire-retardant element is required to have conductivity, the material is selected from stainless steel, and the porosity of the porous structure of the fire-retardant element is 30%.
When a flame is transferred from either side of the flame arrester to the detecting electric needle 5 or 6 in the flame arrester element 2, a circuit is formed between the flame arrester element 2 and the detecting electric needle 5 or 6 due to unidirectional conductivity of the flame, and due to voltage between the flame arrester element 2 and the detecting electric needle 5 or 6, current is generated in the whole circuit, and the signal processing unit 7 detects the current and can send out a signal indicating that the flame is transferred to the flame arrester.
[ example 5 ]
According to the conditions described in example 1, a gap of 4mm is provided between the probe pin and the fire-retarding element 2.
The voltage applied between the electrode connection line 4 and the probe pin was 36v.
The fire-retardant element has a porous structure and plays a role in extinguishing flame. The material of the fire-retarding element is required to have conductivity, and the material is selected from high-temperature alloy, and the porosity of the porous structure of the fire-retarding element is 70%.
When a flame is transferred from either side of the flame arrester to the detecting electric needle 5 or 6 in the flame arrester element 2, a circuit is formed between the flame arrester element 2 and the detecting electric needle 5 or 6 due to unidirectional conductivity of the flame, and due to voltage between the flame arrester element 2 and the detecting electric needle 5 or 6, current is generated in the whole circuit, and the signal processing unit 7 detects the current and can send out a signal indicating that the flame is transferred to the flame arrester.
The invention adds the detection electric needle in the fire-retarding element, and can monitor whether the flame is transmitted to the fire-retarding unit or not by utilizing the conductivity of the flame, thereby providing a reliable monitoring means for the operation condition of the fire-retarding device and obtaining better technical effect.
Claims (5)
1. The fire arrester comprises a fire arrester shell, a fire arrester element, an insulating medium, an electrode connecting wire, detection electric needles and a signal processing unit, wherein the fire arrester is provided with two detection electric needles in the fire arrester element, the fire arrester element is communicated with one pole of a power supply in the signal processing unit, the detection electric needles are communicated with the other pole of the power supply, a safety voltage is added between the fire arrester element and the detection electric needles, the two detection electric needles are respectively inserted from two sides of the fire arrester element relatively,
the fire arrestor shell is a metal shell for providing mechanical support and connection for the fire arrestor element, the detection electric needle is a conductive electric needle extending into the fire arrestor element, a gap of 2mm-10mm is arranged between the electric needle and the fire arrestor element, the insulating medium is an insulating medium for avoiding the conduction between the fire arrestor element and the detection needle and the fire arrestor shell,
the fire-retarding element has a porous structure, plays a role in extinguishing flame, and has a porosity of 5% -80%.
2. The fire arrestor of claim 1, wherein the signal processing unit is a signal processing module for monitoring whether weak current is passing through the entire loop.
3. The flame arrester of claim 1 wherein the flame arrester element is made of a material selected from the group consisting of stainless steel, superalloy, aluminum, and electrical conductivity.
4. A fire arrestor as defined in claim 1, in which the safety voltage is 12v-36v.
5. The flame arrester of claim 1 wherein the electrode connection line is a wire connecting the flame arrester element to a pole of a power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810019719.8A CN110013631B (en) | 2018-01-09 | 2018-01-09 | Flame arrester capable of monitoring flame retarding condition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810019719.8A CN110013631B (en) | 2018-01-09 | 2018-01-09 | Flame arrester capable of monitoring flame retarding condition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110013631A CN110013631A (en) | 2019-07-16 |
| CN110013631B true CN110013631B (en) | 2024-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810019719.8A Active CN110013631B (en) | 2018-01-09 | 2018-01-09 | Flame arrester capable of monitoring flame retarding condition |
Country Status (1)
| Country | Link |
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| CN (1) | CN110013631B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110575634A (en) * | 2019-08-08 | 2019-12-17 | 泰兴市光华石油化工机械制造有限公司 | flame arrester capable of monitoring flame-retardant condition |
| CN113156045B (en) * | 2021-02-04 | 2023-06-30 | 南京工业大学 | Visual hydrogen explosion ripple fire arrestor fire resistance performance test and detection protector |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0375455A2 (en) * | 1988-12-23 | 1990-06-27 | Westech Industrial Limited | Flame arrester |
| CN203147811U (en) * | 2013-03-14 | 2013-08-21 | 华油天然气广安有限公司 | Regenerative gas heating furnace flame detection device of LNG production device |
| CN106975183A (en) * | 2017-05-18 | 2017-07-25 | 盐城欧润石化设备制造有限公司 | A kind of alarm type flame arrester for pipe |
-
2018
- 2018-01-09 CN CN201810019719.8A patent/CN110013631B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0375455A2 (en) * | 1988-12-23 | 1990-06-27 | Westech Industrial Limited | Flame arrester |
| CN203147811U (en) * | 2013-03-14 | 2013-08-21 | 华油天然气广安有限公司 | Regenerative gas heating furnace flame detection device of LNG production device |
| CN106975183A (en) * | 2017-05-18 | 2017-07-25 | 盐城欧润石化设备制造有限公司 | A kind of alarm type flame arrester for pipe |
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| Publication number | Publication date |
|---|---|
| CN110013631A (en) | 2019-07-16 |
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Effective date of registration: 20240313 Address after: No. 22, Chaoyangmen street, Chaoyang District, Beijing 100020 Applicant after: CHINA PETROLEUM & CHEMICAL Corp. Country or region after: Zhong Guo Applicant after: Sinopec Safety Engineering Research Institute Co.,Ltd. Address before: Yanan City, Shandong province Qingdao City three road 266071 No. 218 Applicant before: CHINA PETROLEUM & CHEMICAL Corp. Country or region before: Zhong Guo Applicant before: SINOPEC Research Institute OF SAFETY ENGINEERING |
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