CN217238899U - Chemical plant sealed space toxic gas alarm device - Google Patents
Chemical plant sealed space toxic gas alarm device Download PDFInfo
- Publication number
- CN217238899U CN217238899U CN202220877453.2U CN202220877453U CN217238899U CN 217238899 U CN217238899 U CN 217238899U CN 202220877453 U CN202220877453 U CN 202220877453U CN 217238899 U CN217238899 U CN 217238899U
- Authority
- CN
- China
- Prior art keywords
- pipe
- toxic gas
- chemical plant
- connecting pipe
- pressure air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Emergency Alarm Devices (AREA)
Abstract
The utility model discloses a chemical plant sealed space toxic gas alarm device, an air source machine is connected with a detection cavity in a case through a positive pressure air pipe and a negative pressure air pipe, the bottom ends of the positive pressure air pipe and the negative pressure air pipe are provided with filters, the side surface of the case is provided with an alarm, the bottom end of the case is provided with an air inlet pipe, the air inlet pipe is connected with a connecting pipe, the connecting pipe is provided with a solenoid valve A, and the connecting pipe is connected with the detection cavity; when the gaseous early warning that detects to chemical plant confined space, solenoid valve A on the connecting pipe is opened, negative pressure air supply at the air supply machine output, toxic gas gets into the connecting pipe from the inlet port in the intake pipe, gaseous detection chamber that gets into the connecting pipe and connect, solenoid valve A on the connecting pipe closes simultaneously, gaseous detection analysis is being detected the intracavity, harmful gas concentration in gaseous exceedes the standard, the detector sends information detection for the treater, the treater is carried the processing result for the alarm, the alarm sends out the warning and rings the suggestion staff harmful gas and exceeds standard, notice the protection.
Description
Technical Field
The utility model relates to an early warning device technical field, concretely relates to chemical plant confined space toxic gas alarm device.
Background
Chemical plants are those working in the chemical industry, sulfuric acid being the most reactive strong inorganic binary acid capable of reacting with most metals. The high-concentration sulfuric acid has strong water absorption and can be used as dehydrating agent, carbonized wood, paper, cotton-linen fabric, biological skin and meat and other substances containing carbohydrate. When mixed with water, a large amount of heat energy is also released. It is strongly corrosive and oxidative and therefore needs to be used with caution. Sulfuric acid is one of the most important products in the chemical industry, and is widely used in the industries of chemical light industry, textile metallurgy, petrochemical industry, medicine and the like. The application is very wide. The main production raw materials of the sulfuric acid are sulfur, pyrite, smelting flue gas, gypsum and the like, and when the sulfuric acid is industrially produced, toxic gas can be generated, so that an alarm device is needed to monitor the toxic gas in the closed production bin, and alarm is given out in time to ensure safety.
Disclosure of Invention
In view of the above-identified deficiencies or inadequacies in the prior art, it would be desirable to provide a chemical plant enclosed space toxic gas warning device.
According to the technical scheme provided by the embodiment of the application, the toxic gas alarm device for the sealed space of the chemical plant comprises an air source machine and a case, wherein the air source machine is connected with a detection cavity in the case through a positive pressure air pipe and a negative pressure air pipe; when the gas in the sealed space of the chemical plant is detected and early warned, the electromagnetic valve A on the connecting pipe is opened, a negative pressure gas source output by a gas source machine enables the gas in the sealed space of the chemical plant to enter the connecting pipe from a gas inlet on the gas inlet pipe, the gas enters a detection cavity connected with the connecting pipe, meanwhile, the electromagnetic valve A on the connecting pipe is closed, the gas is detected and analyzed in the detection cavity, when the concentration of harmful gas in the gas exceeds a standard, the detector sends detection information to the processor, the processor sends a processing result to the alarm, and the alarm sends out an alarm to prompt a worker that the harmful gas exceeds the standard, so as to pay attention to protection; then the electromagnetic valve B on the negative pressure air pipe connected with the air source machine is closed, the electromagnetic valve B on the positive pressure air pipe connected with the air source machine is opened, the electromagnetic valve A on the connecting pipe is opened, the toxic gas in the detection cavity is pushed out of the detection cavity by the positive pressure air source output by the air source machine, the detection and early warning are guaranteed to be free of harmful gas residue in the detection cavity, and then the electromagnetic valve A on the connecting pipe is closed.
The positive pressure air pipe and the negative pressure air pipe are provided with electromagnetic valves B and are made of anti-corrosion material hoses; through setting up anticorrosive material positive pressure trachea and negative pressure trachea on alarm device, make the harmful gas of confined space get into through the negative pressure air supply of air supply machine output and detect the chamber and detect the early warning, then through the positive pressure air supply of air supply machine output, will detect the toxic gas clearance of intracavity and go out alarm device and detect the chamber, guarantee to detect the intracavity and do not have toxic gas to remain, do not influence detection and early warning to toxic gas.
The alarm is a voice alarm, the warning sound sent by the alarm prompts workers that harmful gas exceeds the standard, and protection measures are taken to avoid human body injury.
The detection cavity is of a spherical cavity structure, the detector is arranged on the detection cavity, the detection cavity is provided with a spherical shape, the detector is arranged on the side face of the detection cavity, the gas process entering the detection cavity is conveniently detected, the detection quality and efficiency are improved, the occurrence of false early warning is avoided, and personnel injury is caused.
The air inlet pipe is of a conical cavity structure and is provided with an air inlet; through setting up the intake pipe into toper cavity structure, be convenient for to the collection of toxic gas, improve detection quality and early warning rate of accuracy.
To sum up, the beneficial effect of this application:
the positive pressure air pipe and the negative pressure air pipe are made of anti-corrosion materials and arranged on the alarm device, so that harmful gas in a sealed space enters the detection cavity through a negative pressure gas source output by a gas source machine to be detected and early-warned, and then toxic gas in the detection cavity is cleaned out of the detection cavity of the alarm device through the positive pressure gas source output by the gas source machine, so that no toxic gas residue exists in the detection cavity, and the detection and early warning of the toxic gas are not influenced;
the detection cavity is provided with the spherical detection cavity, and the detector is arranged on the side surface of the detection cavity, so that the gas process entering the detection cavity can be detected conveniently, the detection quality and efficiency are improved, and the personnel injury caused by error early warning is avoided;
and the air inlet pipe is of a conical cavity structure, so that toxic gas is conveniently collected, and the detection quality and the early warning accuracy are improved.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
FIG. 1 is a left side view of the structure of the present invention;
FIG. 2 is a right side view of the structure of the present invention;
FIG. 3 is a front view of the present invention;
fig. 4 is a schematic view of the internal structure of the case of the present invention;
fig. 5 is a schematic view of the front view structure inside the case of the present invention.
Reference numbers in the figures: the air source machine-1, the case-2, the alarm-3, the positive air pipe-4, the negative air pipe-5, the filter-6, the electromagnetic valve B-7, the air inlet pipe-8, the connecting pipe-9, the detection cavity-10, the electromagnetic valve A-11, the detector-12 and the detection plate-13.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1, 2 and 3, in the chemical plant sealed space toxic gas alarm device, when the gas in the chemical plant sealed space is detected and pre-warned, the electromagnetic valve a11 on the connecting pipe 9 is opened, the negative pressure gas source output by the gas source machine 1 enables the gas in the chemical plant sealed space to enter the connecting pipe 9 from the gas inlet hole on the gas inlet pipe 8, the gas enters the detection cavity 10 connected with the connecting pipe 9, the electromagnetic valve a11 on the connecting pipe 9 is closed, the gas is detected and analyzed in the detection cavity 10, when the concentration of the harmful gas in the gas exceeds the standard, the detector 12 sends the detection information to the processor, the processor sends the processing result to the alarm 2, and the alarm 3 sends out warning sound to prompt the staff that the harmful gas exceeds the standard, so as to pay attention to protection; then the solenoid valve B7 on the negative pressure trachea 5 that air supply machine 1 connects is closed, the solenoid valve B7 on the positive pressure trachea 4 that air supply machine 1 connects is opened, solenoid valve A11 on the connecting pipe 9 is opened simultaneously, the poisonous gas in detecting chamber 10 is released to the positive pressure air supply of air supply machine 1 output and is detected the chamber 10, guarantee to detect that no harmful gas remains in the chamber 10, do not influence poisonous detection and early warning, then solenoid valve A11 is closed on the connecting pipe 9.
As shown in fig. 4, when detecting and alarming toxic gas in a closed space of a chemical plant, the alarm device is provided with a positive pressure gas pipe 4 and a negative pressure gas pipe 5 made of an anticorrosive material, the positive pressure gas pipe 4 and the negative pressure gas pipe 5 are provided with a solenoid valve B7, the solenoid valve B7 on the negative pressure gas pipe 5 is opened, so that the harmful gas in the closed space enters the detection cavity 10 through a negative pressure gas source output by the gas source machine 1 to carry out detection and early warning, after the detection and the early warning are finished, the solenoid valve B11 on the negative pressure gas pipe 5 is closed, the solenoid valve B7 on the positive pressure gas pipe 4 is opened, the positive pressure gas source output by the gas source machine 1 clears the toxic gas in the detection cavity 10 out of the alarm device to detect the detection cavity 10, it is ensured that no toxic gas remains in the detection cavity 10, and the detection and the early warning of the toxic gas are not affected.
As shown in figure 4, when detecting and alarming the poisonous gas in the closed space of the chemical plant, the detection cavity 10 is of a spherical cavity structure, the detection cavity 10 is provided with the detector 12, the detection cavity 10 is provided with the spherical detection cavity 10, and the detector 12 is arranged on the side surface of the detection cavity 10, so that the gas process entering the detection cavity 10 can be detected conveniently, the detection quality and efficiency can be improved, and the occurrence of false early warning and the injury of personnel can be avoided.
As shown in fig. 5, the air inlet pipe 8 of the alarm device is a conical cavity structure, and the air inlet pipe 8 is provided with an air inlet hole; through setting up intake pipe 8 into toper cavity structure, be convenient for to the collection of toxic gas, improve detection quality and early warning rate of accuracy.
As shown in figure 1, an alarm 3 on the alarm device is a voice alarm, and after the detector 12 detects that the toxic gas collected by the detection cavity 10 exceeds the standard, the alarm 3 sounds to prompt the staff that the harmful gas exceeds the standard, so that protection measures are taken to avoid human body injury.
The foregoing description is only exemplary of the preferred embodiments of the application and is provided for the purpose of illustrating the general principles of the technology and the like. Meanwhile, the scope of the invention according to the present application is not limited to the technical solutions in which the above-described technical features are combined in a specific manner, and also covers other technical solutions in which the above-described technical features or their equivalent are combined arbitrarily without departing from the inventive concept described above. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (7)
1. Chemical plant confined space toxic gas alarm device, including air supply machine (1) and quick-witted case (2), characterized by: air supply machine (1) through positive-pressure air pipe (4) and negative pressure trachea (5) with it connects to detect chamber (10) in quick-witted case (2), positive-pressure air pipe (4) with negative pressure trachea (5) bottom is provided with filter (6), machine case (2) side-mounting has alarm (3), intake pipe (8) are installed to machine case (2) bottom, intake pipe (8) are connected with connecting pipe (9), be provided with solenoid valve A (11) on connecting pipe (9), connecting pipe (9) with it connects to detect chamber (10), it installs detector (12) on detecting chamber (10).
2. The chemical plant enclosed space toxic gas warning apparatus as claimed in claim 1, wherein: and the positive pressure air pipe (4) and the negative pressure air pipe (5) are provided with electromagnetic valves B (7).
3. The chemical plant enclosed space toxic gas warning apparatus as claimed in claim 1, wherein: the positive pressure air pipe (4) and the negative pressure air pipe (5) are hoses made of anti-corrosion materials.
4. The chemical plant enclosed space toxic gas warning apparatus as claimed in claim 1, wherein: the alarm (3) is a voice alarm.
5. The chemical plant enclosed space toxic gas warning apparatus as claimed in claim 1, wherein: the detection cavity (10) is of a spherical cavity structure.
6. The chemical plant enclosed space toxic gas warning apparatus as claimed in claim 1, wherein: the air inlet pipe (8) is of a conical cavity structure.
7. The chemical plant enclosed space toxic gas warning apparatus as claimed in claim 1, wherein: an air inlet is arranged on the air inlet pipe (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220877453.2U CN217238899U (en) | 2022-04-15 | 2022-04-15 | Chemical plant sealed space toxic gas alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220877453.2U CN217238899U (en) | 2022-04-15 | 2022-04-15 | Chemical plant sealed space toxic gas alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217238899U true CN217238899U (en) | 2022-08-19 |
Family
ID=82818947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220877453.2U Active CN217238899U (en) | 2022-04-15 | 2022-04-15 | Chemical plant sealed space toxic gas alarm device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217238899U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117367676A (en) * | 2023-12-07 | 2024-01-09 | 陕西省环境调查评估中心 | Air quality detection device |
-
2022
- 2022-04-15 CN CN202220877453.2U patent/CN217238899U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117367676A (en) * | 2023-12-07 | 2024-01-09 | 陕西省环境调查评估中心 | Air quality detection device |
| CN117367676B (en) * | 2023-12-07 | 2024-02-06 | 陕西省环境调查评估中心 | Air quality detection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN217238899U (en) | Chemical plant sealed space toxic gas alarm device | |
| CN107727809A (en) | A kind of detection means of workshop gas | |
| CN112730546B (en) | Portable flue gas analysis device | |
| CN208568735U (en) | A kind of Portable multiple-gas detector | |
| CN110044836A (en) | FUSION WITH MULTISENSOR DETECTION device towards toxic gas | |
| CN220084466U (en) | Filterable flue gas on-line monitoring equipment | |
| CN215066455U (en) | Gas concentration standard exceeding monitoring device for air-duct-free exhaust cabinet | |
| CN214953310U (en) | Pollutant gas concentration detection device | |
| CN108061695A (en) | A kind of dust concentration detection device | |
| CN210071439U (en) | Safe type sulfuric acid mist extraction element | |
| CN208330696U (en) | One kind is portable to alter oily detection device | |
| CN207067101U (en) | A kind of indoor flue gas electronic detecting device | |
| CN209296669U (en) | A kind of carbon content detection device for mould steel | |
| CN112146946A (en) | Re-release type ammonia escape online detection device and method | |
| CN212999255U (en) | Waste gas desulfurization treatment device | |
| CN114062602A (en) | Airtight space gas concentration change law testing arrangement | |
| CN211085854U (en) | Waste gas data acquisition device | |
| CN210037597U (en) | Multi-sensor detection device for toxic gas | |
| CN219977939U (en) | Carbon emission monitoring device capable of automatically alarming | |
| CN207557057U (en) | A kind of dust concentration detection device | |
| CN220656532U (en) | A filter equipment for waste water waste gas on-line monitoring | |
| CN107356713A (en) | A kind of indoor flue gas electronic detecting device | |
| CN216285162U (en) | Toxic gas monitoring device convenient to detect | |
| CN208177127U (en) | A kind of environment-friendly type industrial waste-gas purifier | |
| CN219810922U (en) | Chemical industry workshop gas safety detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |