CN111833571A - Combustible gas detection alarm - Google Patents
Combustible gas detection alarm Download PDFInfo
- Publication number
- CN111833571A CN111833571A CN202010518664.2A CN202010518664A CN111833571A CN 111833571 A CN111833571 A CN 111833571A CN 202010518664 A CN202010518664 A CN 202010518664A CN 111833571 A CN111833571 A CN 111833571A
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- China
- Prior art keywords
- gas
- combustible gas
- detection alarm
- filter screen
- harmful
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
- G08B21/16—Combustible gas alarms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Emergency Management (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Business, Economics & Management (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Combustion & Propulsion (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Emergency Alarm Devices (AREA)
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
Abstract
The invention provides a combustible gas detection alarm, which comprises a gas suction pipeline, a combustible gas detection alarm main machine, a dustproof filter screen and a harmful gas absorption film. The dustproof filter screen and the harmful gas absorption film are sequentially arranged in the gas suction pipeline, and the sucked gas sequentially passes through the dustproof filter screen and the harmful gas absorption film and enters the combustible gas detection alarm host for detection. Through setting up the harmful gas absorption membrane, can absorb corrosive harmful gas, avoid detector detecting element corrosion damage and catalyst poisoning to improve combustible gas detector's working life.
Description
Technical Field
The invention relates to the technical field of combustible gas detection and alarm, in particular to a combustible gas detection alarm.
Background
The fire of refinery is caused by the leakage of combustible gas, and when the combustible gas leaks in the production device, the combustible gas is combined with air to form explosive mixed gas, so that the fire and chemical explosion are easily caused. And the refinery device is mostly in the high temperature, high pressure state, in case of the conflagration taking place at this moment, the intensity of a fire can spread rapidly, appear three-dimensionally, large tracts of land, many fire points, after combustion, after explosion multiple combustion forms, easily cause casualties and property loss. Therefore, the combustible gas leakage detection technology is attracting more and more attention as a technical means for ensuring the safe production of the petroleum industry.
In the catalytic combustion type combustible gas detector commonly used in the prior art, when the detector works, under the action of a catalyst, combustible gas generates flameless combustion on the surface of a detection element carrier, and the combustion state of the combustible gas is converted by an electronic circuit part of the detector, so that the output display of concentration is achieved. When impurities such as sand and dust exist in the air, the air enters the detector along with the combustible gas, so that the air is blocked, the reaction of the combustible gas in the detector is affected, the detection is insensitive, and even the instrument is damaged. In addition, the air in the production environment of petroleum refining enterprises may contain corrosive gases such as hydrogen sulfide, chlorine, ammonia gas and the like, when the detector sucks such harmful gases existing in the detection environment, the detector is corroded and damaged, the service life of the detector is shortened, and the corrosive harmful gases can cause the catalyst in the detector to be poisoned and inactivated, so that the detector fails.
Chinese patent CN201721046422.8 discloses a high sensitivity combustible gas alarm detector, by the air inlet, the gas outlet, dust filter equipment, the buffer pump, the pump admits air, microprocessor, combustible gas sensor, siren etc. constitute, the device sensitivity is higher, has the automatic alarm function, be provided with dust filter equipment, some dust has been kept apart, the life of detector has been improved, but it does not have harmful gas absorption membrane, can't deal with the detector failure that harmful gas leads to detector detecting element's corrosion damage and catalyst poisoning in the detection environment.
Disclosure of Invention
The invention aims to provide a combustible gas detection alarm, which solves the technical problems of corrosion damage of a detector detection element and catalyst poisoning caused by corrosive harmful gas in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
a combustible gas detection alarm comprises a gas suction pipeline, a combustible gas detection alarm host, a dustproof filter screen and a harmful gas absorption film. The dustproof filter screen and the harmful gas absorption film are sequentially arranged in the gas suction pipeline, and the sucked gas sequentially passes through the dustproof filter screen and the harmful gas absorption film and enters the combustible gas detection alarm host for detection.
The invention relates to a combustible gas detection alarm, which is further characterized in that: still include the draw-in groove, it has the socket to open on the gas suction pipeline, and dustproof filter screen and harmful gas absorption membrane assemble to the corresponding socket of gas suction pipeline in through corresponding the draw-in groove respectively.
The invention relates to a combustible gas detection alarm, which is further characterized in that: the clamping groove is semicircular, the outer wall of the clamping groove is attached to the socket, and a groove is formed in the inner wall of the clamping groove.
The invention relates to a combustible gas detection alarm, which is further characterized in that: the harmful gas absorption film is a hydrogen sulfide absorption film.
The invention relates to a combustible gas detection alarm, which is further characterized in that: the harmful gas absorption film is a chlorine absorption film.
The invention relates to a combustible gas detection alarm, which is further characterized in that: the harmful gas absorption film is an ammonia gas absorption film.
The invention relates to a combustible gas detection alarm, which is further characterized in that: the harmful gas absorption film is a composite absorption film of hydrogen sulfide, chlorine and ammonia.
The invention has the beneficial effects that:
1. through setting up the harmful gas absorption membrane, can absorb the corrosive harmful gas among the detecting environment, avoid detecting element's corrosion damage and catalyst poisoning to improve combustible gas detector's working life.
2. Through setting up dustproof filter screen, can prevent inside dust, the mosquito got into the detector, blockked up the combustible gas sunction inlet, and dustproof filter screen can further prevent the jam of dust to the harmful gas absorption film, prolongs the change cycle of harmful gas absorption film.
3. Dustproof filter screen and harmful gas absorption membrane all are connected to the device through the draw-in groove, are convenient for wash, change.
Drawings
FIG. 1 is a schematic structural diagram of a combustible gas detection alarm provided by the invention;
FIG. 2 is a schematic structural diagram of the working state of a combustible gas detection alarm provided by the invention;
FIG. 3 is a schematic view of a dust-proof filter screen of the flammable gas detecting alarm according to the present invention;
FIG. 4 is a schematic view of a harmful gas absorption membrane of a combustible gas detection alarm according to the present invention;
FIG. 5 is a schematic view of a dustproof filter screen slot of the combustible gas detection alarm provided by the invention;
fig. 6 is a schematic view of a harmful gas absorption membrane clamping groove of the combustible gas detection alarm provided by the invention.
In the figure: 1. gas suction inlet, 2, gas suction pipeline, 3, dustproof filter screen, 4, harmful gas absorption membrane, 5, combustible gas detection alarm host computer, 6, dustproof filter screen draw-in groove, 7, harmful gas absorption membrane draw-in groove, 8, socket.
Detailed Description
The invention will be described in detail below with reference to the following figures:
reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise expressly stated or limited, the terms "mounted," "connected," "disposed," and "assembled" are intended to be construed broadly, and may for example be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
As shown in fig. 1 and 2, the combustible gas detection alarm of the invention comprises a gas suction inlet 1, a gas suction pipeline 2, a dustproof filter screen 3, a harmful gas absorption film 4, a combustible gas detection alarm main machine 5, a dustproof filter screen clamping groove 6, a harmful gas absorption film clamping groove 7 and a socket 8. The gas to be detected enters a gas suction pipeline 2 from a gas suction port 1, sequentially passes through a dustproof filter screen 3 and a harmful gas absorption film 4, and then enters a combustible gas detection alarm host 5 for detection. At first, filter dust, the mosquito in the gas that awaits measuring through dustproof filter screen 3, then further absorb the harmful gas in the gas that awaits measuring through harmful gas absorption membrane 4, when the inspiratory combustible gas content is detected out and exceeds standard, combustible gas detects the alarm and sends the police dispatch newspaper. In order to facilitate the replacement and cleaning of the dustproof filter screen 3 and the harmful gas absorption film 4, the suction pipeline 2 is respectively provided with a socket 8 corresponding to the dustproof filter screen 3 and the harmful gas absorption film 4. As shown in fig. 5 and 6, the slots 6 and 7 are semicircular, the outer walls of the slots are attached to the socket 8, and the inner walls of the slots are provided with grooves. Dustproof filter screen 3 is fixed on dustproof filter screen draw-in groove 6 through the recess of dustproof filter screen draw-in groove 6 inner wall, and harmful gas absorption membrane 4 is fixed on harmful gas absorption membrane draw-in groove 7 through the recess of harmful gas absorption membrane draw-in groove 7 inner wall. The dustproof filter screen and the harmful gas absorption film are sequentially assembled in corresponding sockets 8 on the gas suction pipeline 2 through clamping grooves 6 and 7 respectively.
The harmful gas absorption film can adopt a single harmful gas absorption film or a composite harmful gas absorption film. When the mixed combustible gas containing harmful gases such as hydrogen sulfide, chlorine, ammonia and the like passes through, the absorption film can absorb the corresponding harmful gases.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The utility model provides a combustible gas detects alarm, includes that gas inhales pipeline, combustible gas detection alarm host computer, dustproof filter screen, its characterized in that still includes the harmful gas absorption membrane, dustproof filter screen, harmful gas absorption membrane set gradually in gas inhales the pipeline, and inhaled gas loops through dustproof filter screen, harmful gas absorption membrane, gets into the combustible gas and detects alarm host computer and detect.
2. The combustible gas detection alarm of claim 1, further comprising a slot, wherein the gas suction pipeline is provided with a socket, and the dustproof filter screen and the harmful gas absorption film are respectively assembled into the corresponding sockets of the gas suction pipeline through the corresponding slots.
3. The combustible gas detection alarm of claim 2, wherein the slot is semicircular, the outer wall of the slot is attached to the socket, and a groove is formed in the inner wall of the slot.
4. A combustible gas detection alarm according to claim 3 wherein the harmful gas absorbing membrane is a hydrogen sulphide absorbing membrane.
5. A combustible gas detection alarm according to claim 3 wherein the noxious gas absorbing membrane is a chlorine absorbing membrane.
6. A combustible gas detection alarm according to claim 3 wherein the harmful gas absorbing membrane is an ammonia absorbing membrane.
7. The combustible gas detection alarm of claim 3, wherein the harmful gas absorption film is a hydrogen sulfide, chlorine and ammonia composite absorption film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010518664.2A CN111833571A (en) | 2020-06-09 | 2020-06-09 | Combustible gas detection alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010518664.2A CN111833571A (en) | 2020-06-09 | 2020-06-09 | Combustible gas detection alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111833571A true CN111833571A (en) | 2020-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010518664.2A Pending CN111833571A (en) | 2020-06-09 | 2020-06-09 | Combustible gas detection alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111833571A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104121070A (en) * | 2014-07-28 | 2014-10-29 | 芜湖天金机械有限公司 | Environmentally-friendly exhaust pipe for small car and surface corrosion-resistant treatment thereof |
| CN105521699A (en) * | 2016-01-20 | 2016-04-27 | 四川村田机械制造有限公司 | Smoke treatment device based on reducing harmful ingredients of gas turbine unit waste gas |
| KR20160103667A (en) * | 2015-02-25 | 2016-09-02 | 윤명섭 | a gas leak of mid infrared optical sensor for vehicle mounted |
| CN207233167U (en) * | 2017-08-21 | 2018-04-13 | 四川希尔得科技有限公司 | High sensitivity combustible gas alarm detector |
-
2020
- 2020-06-09 CN CN202010518664.2A patent/CN111833571A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104121070A (en) * | 2014-07-28 | 2014-10-29 | 芜湖天金机械有限公司 | Environmentally-friendly exhaust pipe for small car and surface corrosion-resistant treatment thereof |
| KR20160103667A (en) * | 2015-02-25 | 2016-09-02 | 윤명섭 | a gas leak of mid infrared optical sensor for vehicle mounted |
| CN105521699A (en) * | 2016-01-20 | 2016-04-27 | 四川村田机械制造有限公司 | Smoke treatment device based on reducing harmful ingredients of gas turbine unit waste gas |
| CN207233167U (en) * | 2017-08-21 | 2018-04-13 | 四川希尔得科技有限公司 | High sensitivity combustible gas alarm detector |
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Application publication date: 20201027 |