CN217357378U

CN217357378U - Quick breather in toxic gas leakage region

Info

Publication number: CN217357378U
Application number: CN202221278380.1U
Authority: CN
Inventors: 孙学思; 易巍; 周少瑜; 邬丽莲; 蔡姣燕; 肖亦茜; 张辉; 周文广; 叶茂; 肖兴华
Original assignee: Xinyu Iron and Steel Co Ltd
Current assignee: Xinyu Iron and Steel Co Ltd
Priority date: 2022-05-25
Filing date: 2022-05-25
Publication date: 2022-09-02
Anticipated expiration: 2032-05-25

Abstract

The utility model provides a toxic gas lets out quick breather in leakage area, belongs to industry field toxic gas and leaks early warning technical field, this quick breather, including installing the toxic gas detector in the easily leakage area of toxic gas, the both sides of toxic gas detector are provided with the blast air subassembly relatively respectively and exhaust the recovery subassembly, and the gas outlet that the subassembly was retrieved in the exhaust communicates with each other with outside atmosphere, and the toxic gas detector passes through PLC and blast air subassembly and exhaust the recovery subassembly and links to each other, the beneficial effects of the utility model are that, the utility model discloses a simple structure reforms transform with low costs, can dispel toxic gas fast, can effectively reduce the concentration of toxic gas, ensures the security of regional operation environment, has reduced the pollution to the operation environment.

Description

Quick breather in toxic gas leakage region

Technical Field

The utility model relates to an industrial field toxic gas leaks early warning technical field, especially relates to a quick breather in toxic gas leakage area.

Background

The method is more in toxic gas areas of metallurgy industrial fields such as coking, blast furnaces, converters and the like. Coal gas is a common and common toxic gas, is a gas which is toxic and harmful to human bodies, and has great harm after being poisoned by the human bodies. At present, operators mostly wear portable gas alarms to enter toxic gas leakage areas for operation, the operators are reminded of the concentration of gas, and measures are taken in time; when the gas concentration rises suddenly and is very high, or when the gas leakage occurs in a jet shape and the leakage amount is large, the portable gas alarm sounds, and the operator can not withdraw the gas quickly and the poisoning event happens frequently.

When the toxic gas leakage area is patrolled and examined or operated, the operating personnel generally carry the portable gas alarm to get into the scene, and the on-the-spot gas concentration is often unknown, and when the portable gas alarm was reported to the police among the operating personnel had been in the toxic gas, when gas concentration was high, the operating personnel will receive great personal safety threat. Therefore, it is an urgent task to eliminate or reduce the concentration of toxic gases in the operation area in time to ensure the safety of the operator.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a quick breather in toxic gas leakage region, its simple structure reforms transform with low costs, can dispel toxic gas fast, can effectively reduce toxic gas's concentration, ensures the safety and the environmental protection of regional operation environment.

In order to achieve the above object, the present invention provides a technical solution for solving the technical problem: toxic gas leaks regional quick breather of leakage, including installing the toxic gas detector in the toxic gas easily reveals the region, the both sides of toxic gas detector are provided with the air-blast subassembly relatively respectively and retrieve the subassembly with the exhaust, the gas outlet that the subassembly was retrieved in the exhaust communicates with each other with outside atmosphere, the toxic gas detector passes through PLC and air-blast subassembly and exhaust and retrieves the subassembly and link to each other.

The air blowing assembly and the exhaust gas recovery assembly are provided with a plurality of groups, and outlets of the exhaust gas recovery assemblies are communicated with the external atmosphere through an exhaust main pipe.

The air blowing assembly comprises a cylindrical shell I with openings at two ends, an air blowing motor is installed at one end inside the cylindrical shell I, and air blowing blades are installed on an output shaft of the air blowing motor.

And openings at two ends of the cylindrical shell I are respectively detachably connected with an isolation net I for preventing sundries from entering.

Exhaust recovery subassembly include with I relative both ends open-ended cylindric shell II of cylindric shell, II inside being close to of cylindric shell exhaust motor is installed to the one end of cylindric shell I, install exhaust vane on exhaust motor's the output shaft, the other end and the exhaust branch pipe of cylindric shell II link to each other, the department of connection of cylindric shell II and exhaust branch pipe installs prevents parts against the current.

An opening at one end, close to the cylindrical shell I, of the cylindrical shell II is detachably connected with an isolation net II for preventing sundries from entering.

The anti-reflux component comprises a fixed plate fixedly connected with the inner wall of the cylindrical shell II and a rotating plate hinged and reset with the inner wall of the cylindrical shell II, and one end of the rotating plate close to the fixed plate is matched with one side of the fixed plate close to the exhaust branch pipe in a blocking mode.

The rotating plate is hinged with the inner wall of the cylindrical shell II through a connecting shaft and a torsion spring.

And a camera is arranged in front of the dial plate of the toxic gas detector and is connected with an upper computer through a signal cable.

And the toxic gas detector is connected with the audible and visual alarm through a PLC.

The beneficial effects of the utility model are that:

1. the utility model discloses an easily reveal the region at the toxic gas and install the toxic gas detector, when the concentration of the toxic gas in the toxic gas detector detection area exceeds the setting value, the blast air subassembly blows the toxic gas of high concentration to relative exhaust recovery subassembly with it, retrieve the subassembly through exhausting and discharge into outside atmosphere after retrieving the high concentration gas, the blast air subassembly through relative setting makes the air fast flow with exhaust recovery subassembly, retrieve the toxic gas when automatically dispelling or effectively reducing the concentration of toxic gas, the pollution to the operation environment has been reduced, the personal safety threat to the operation personnel has been reduced.

2. The utility model discloses an at toxic gas detector's dial plate the place ahead installation camera, can look over the concentration size of the toxic gas on the corresponding leakage area's the toxic gas detector through the host computer, whether the environment that can confirm the scene through looking up the host computer before the operation personnel get into the operation of toxic gas area is safe, in addition, if the concentration back that exceeds standard that detects, audible-visual annunciator carries out audible-visual annunciator and can remind the operation personnel can not get into, has effectively protected operation personnel's personal safety.

To sum up, the utility model discloses simple structure reforms transform with low costsly, can dispel toxic gas fast, can effectively reduce toxic gas's concentration, ensures the security of regional operation environment, has reduced the pollution to the operation environment.

Drawings

The contents of the various figures of the specification and the labels in the figures are briefly described as follows:

FIG. 1 is a schematic view of the present invention;

the labels in the above figures are: 1. the toxic gas detector comprises a toxic gas detector, 2. an air blowing assembly, 21. a cylindrical shell I, 22. an air blowing motor, 23. an air blowing blade, 24. an isolation net I, 3. an exhaust recovery assembly, 31. a cylindrical shell II, 32. an exhaust motor, 33. an exhaust blade, 34. an exhaust branch pipe, 35. an anti-reflux component, 351. a fixing plate, 352. a rotating plate, 36. an isolation net II, 4. an exhaust main pipe and 5. a camera.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

The utility model discloses specific embodiment does: as shown in fig. 1, a regional quick breather leaks out to toxic gas, including installing toxic gas detector 1 on wall or the support in the toxic gas easily reveals the region, can set up one or more toxic gas detector 1 according to the regional actual conditions of toxic gas easily reveals, this toxic gas detector 1 sets up to the gas concentration detector, can be used to detect the concentration of toxic gas, this toxic gas detector 1's both sides are provided with air-blast subassembly 2 and exhaust respectively relatively and retrieve subassembly 3, the gas outlet that subassembly 3 was retrieved in the exhaust communicates with each other with outside atmosphere, toxic gas detector 1 links to each other with air-blast subassembly 2 and exhaust recovery subassembly 3 through PLC. When the concentration of the toxic gas in the 1 detection area of toxic gas detector surpassed the setting value, air-blast subassembly 2 blows the toxic gas of high concentration to relative exhaust recovery subassembly 3 with it, through exhausting and retrieving subassembly 3 and discharge into outside atmosphere behind the high concentration gas recovery, air-blast subassembly 2 through relative setting makes the air circulate fast with exhaust recovery subassembly 3, automatically, dispel or effectively reduce the toxic gas and retrieve the toxic gas in the concentration of toxic gas, the pollution to the operational environment has been reduced, the personal safety threat to the operating personnel has been reduced.

Specifically, the toxic gas detector 1 should be installed at a sensitive location in the toxic gas area, should be disposed at a downstream sensitive to air flow, and should be installed in consideration of the density of the leaked toxic gas (greater than or less than air), and consideration of the possible leakage point state, leakage pressure, air flow direction, and other comprehensive factors. The leakage point state refers to micro leakage or jet leakage, and the installation position of the micro leakage is close to the leakage point; the jet-like leak is installed at a position slightly distant from the leak point.

Specifically, a plurality of groups of air blowing assemblies 2 and exhaust gas recovery assemblies 3 are arranged, and the outlets of a plurality of exhaust gas recovery assemblies 3 are communicated with the external atmosphere through an exhaust manifold 4; poisonous gas detector 1 links to each other with multiunit blast air subassembly 2 and exhaust recovery subassembly 3 through PLC, can start or stop corresponding group number's blast air subassembly 2 and exhaust recovery subassembly 3 according to poisonous gas detector 1's detection data, can disperse fast more high-efficiently and retrieve poisonous gas, has avoided blast air subassembly 2 and exhaust recovery subassembly 3 long-term use and shortened life's problem simultaneously, has practiced thrift the electric energy moreover.

Specifically, the blowing assembly 2 comprises a cylindrical shell i 21 with openings at two ends, a blowing motor 22 is mounted at one end inside the cylindrical shell i 21, a blowing blade 23 is mounted on an output shaft of the blowing motor 22, the blowing motor 22 drives the blowing blade 23 to rotate at a high speed, the blowing blade 23 drives air inside the cylindrical shell i 21 to rotate at a high speed, the pressure at the front end of the blowing blade 23 is increased suddenly, the air is flushed outwards along the inside of the cylindrical shell i 21, a large negative pressure is formed at the rear end of the blowing blade 23, new air is sucked in for supplement, and the process is repeated. The openings at the two ends of the cylindrical shell I21 are respectively detachably connected with an isolation net I24 for preventing sundries from entering, so that the normal work of the blower motor 22 and the blower blades 23 is ensured.

Specifically, the exhaust gas recovery assembly 3 comprises a cylindrical shell II 31 with two open ends opposite to the cylindrical shell I21, an exhaust motor 32 is mounted at one end, close to the cylindrical shell I21, inside the cylindrical shell II 31, an exhaust blade 33 is mounted on an output shaft of the exhaust motor 32, the other end of the cylindrical shell II 31 is connected with an exhaust branch pipe 34, and a backflow prevention component 35 is mounted at the joint of the cylindrical shell II 31 and the exhaust branch pipe 34.

The backflow prevention component 35 comprises a fixed plate 351 fixedly connected with the inner wall of the cylindrical shell II 31 and a rotating plate 352 hinged and reset with the inner wall of the cylindrical shell II 31, one end, close to the fixed plate 351, of the rotating plate 352 is in blocking fit with one side, close to the exhaust branch pipe 34, of the fixed plate 351, and the rotating plate 352 is hinged with the inner wall of the cylindrical shell II 31 through a connecting shaft and a torsion spring, so that airflow can flow to the exhaust branch pipe 34 from the exhaust blade 33 without backflow, and the problem of toxic gas backflow is avoided.

In addition, an opening at one end of the cylindrical shell II 31 close to the cylindrical shell I21 is detachably connected with an isolation net II 36 for preventing sundries from entering, so that the normal work of the exhaust motor 32 and the exhaust blade 33 is ensured.

When the exhaust motor 32 drives the exhaust blades 33 to rotate at a high speed, the exhaust blades 33 drive the air in the cylindrical shell II 31 to rotate at a high speed, the pressure at the front ends of the exhaust blades 33 is increased suddenly, the air rushes to the rotating plate 352 along the inner side of the cylindrical shell II 31, the rotating plate 352 is rushed to the exhaust branch pipe 34 by strong airflow, and large negative pressure is formed at the rear ends of the exhaust blades 33 to suck the air (containing toxic gas) sent by the blower assembly 2 or the outside air (containing toxic gas), and the circulation is carried out.

Specifically, a camera 5 is installed in front of a dial plate of the toxic gas detector 1, the camera 5 is connected with an upper computer through a signal cable, the concentration of toxic gas on the toxic gas detector 1 corresponding to a leakage area can be checked through the upper computer, and whether the environment of a site is safe or not can be confirmed through checking the upper computer before an operator enters the toxic gas area for operation.

Specifically, the toxic gas detector 1 is connected with the audible and visual alarm through the PLC, the audible and visual alarm can set forecast, alarm and high-report levels 3, the concentration range of toxic gas corresponding to the level 3 alarm is set in the PLC, when the concentration of the toxic gas exceeds the lower limit, the PLC drives the audible and visual alarm to carry out audible and visual alarm of different levels according to the concentration of the detected toxic gas, drives the air blowing assemblies 2 and the exhaust recovery assemblies 3 to work, reminds operating personnel that the operating personnel cannot enter, and effectively protects the personal safety of the operating personnel.

The working principle of the quick air interchanger of the toxic gas leakage area is as follows: when the concentration of harmful gas detected by the toxic gas detector 1 in a toxic gas leakage area exceeds a set lower limit, the PLC drives the audible and visual alarm to perform audible and visual alarm at a corresponding level, and drives the air blowing assemblies 2 and the exhaust recovery assemblies 3 of corresponding groups to work, so that airflow in the air blowing assemblies 2 is flushed outwards to the exhaust recovery assemblies 3 opposite to the air blowing assemblies, the airflow in the exhaust recovery assemblies 3 is flushed towards the exhaust branch pipes 34 and is exhausted to the outside atmosphere through the exhaust main pipe 4, and the concentration of the toxic gas can be quickly dispersed or effectively reduced.

The foregoing is merely illustrative of some of the principles of the present invention and the description is not intended to limit the invention to the specific constructions and applications shown, so that all modifications and equivalents that may be utilized are within the scope of the invention.

Claims

1. The utility model provides a regional quick breather leaks with toxic gas, a serial communication port, including installing the toxic gas detector in the easily region of revealing of toxic gas, the both sides of toxic gas detector are provided with the air-blast subassembly relatively respectively and retrieve the subassembly with the exhaust, the gas outlet that the subassembly was retrieved in the exhaust communicates with each other with outside atmosphere, the toxic gas detector passes through PLC and air-blast subassembly and exhaust and retrieves the subassembly and link to each other.

2. The toxic gas leakage area rapid air exchange device of claim 1, wherein: the air blowing assembly and the exhaust gas recovery assembly are provided with a plurality of groups, and outlets of the exhaust gas recovery assemblies are communicated with the external atmosphere through an exhaust main pipe; and the toxic gas detector is connected with the plurality of groups of air blowing assemblies and the exhaust recovery assembly through a PLC.

3. The toxic gas leakage area rapid air exchange device of claim 1, wherein: the air blowing assembly comprises a cylindrical shell I with openings at two ends, an air blowing motor is installed at one end inside the cylindrical shell I, and air blowing blades are installed on an output shaft of the air blowing motor.

4. The toxic gas leakage area rapid air exchange device of claim 3, wherein: and openings at two ends of the cylindrical shell I are respectively detachably connected with an isolation net I for preventing sundries from entering.

5. The toxic gas leakage area rapid air exchange device of claim 3, wherein: exhaust recovery subassembly include with I relative both ends open-ended cylindric shell II of cylindric shell, II inside being close to of cylindric shell exhaust motor is installed to the one end of cylindric shell I, install exhaust vane on exhaust motor's the output shaft, the other end and the exhaust branch pipe of cylindric shell II link to each other, the department of connection of cylindric shell II and exhaust branch pipe installs prevents parts against the current.

6. The toxic gas leakage area rapid air exchange device of claim 5, wherein: an opening at one end, close to the cylindrical shell I, of the cylindrical shell II is detachably connected with an isolation net II for preventing sundries from entering.

7. The toxic gas leakage area rapid air exchange device of claim 5, wherein: the anti-reflux component comprises a fixed plate fixedly connected with the inner wall of the cylindrical shell II and a rotating plate hinged and reset with the inner wall of the cylindrical shell II, and one end of the rotating plate close to the fixed plate is matched with one side of the fixed plate close to the exhaust branch pipe in a blocking mode.

8. The toxic gas leakage area rapid air exchange device of claim 7, wherein: the rotating plate is hinged with the inner wall of the cylindrical shell II through a connecting shaft and a torsion spring.

9. The toxic gas leakage area rapid air exchange device of claim 1, wherein: and a camera is arranged in front of the dial plate of the toxic gas detector and is connected with an upper computer through a signal cable.

10. The toxic gas leakage area rapid air exchange device of claim 1, wherein: and the toxic gas detector is connected with the audible and visual alarm through a PLC.