KR101443319B1 - Industrial equipment safety toxic gas remote control system - Google Patents

Abstract

The present invention provides a technology related to a toxic gas remote control system for safety in industrial facilities. If a chemical or toxic gas leaks into a chamber in a mixer for mixing chemicals, a sensor recognizes the leakage and a controller turns on a suction fan and exhaustion damper to discharge the toxic gas leaking into the chamber to the outside for ventilation and notifies an operator that the toxic gas has leaked. By doing so, safety accidents of operators in industrial facilities can be prevented, and as the toxic gas discharged from the chamber to the outside is purified through a purification facility and then discharged to the air, environmental pollution can be prevented. Furthermore, by controlling and monitoring the system using a remote controller such as a mobile terminal at a remote place, the presented technology related to a toxic gas remote control system for safety in industrial facilities enables safer treatment of toxic gas.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001]

The present invention relates to a harmful gas remote control system for industrial equipment safety. More specifically, when a chemical or harmful gas leaks into a chamber in a mixer that mixes and mixes chemicals, And the exhaust damper and the suction fan are operated to exhaust the toxic gas leaking into the chamber to ventilate it to the outside and to inform the operator of the leakage of the harmful gas to prevent safety accidents in the industrial facility, The harmful gas is purified through a purifying system and then discharged to the atmosphere to prevent environmental pollution. In addition, by controlling and monitoring the system using a remote controller such as a portable mobile communication terminal at a remote location, Hazardous gas remote system for industrial equipment safe handling A description of the system.

Generally, harmful gas is discharged into the atmosphere from various industrial facilities such as chemical process, semiconductor process, combustion plant, waste disposal plant, etc. and volatile organic compounds (VOCs), perfluorocarbons (PFCs), chlorofluorocarbons, dioxins, , And other minerals are known to be harmful not only directly to the human body but also cause air smog in the atmosphere.

Recently, various kinds of chemical agents are used in the semiconductor manufacturing process. These chemical agents may be used in one kind, but in some cases, they may be used in combination of two or more kinds. In addition, a device or a method for mixing two or more kinds of chemicals Related arts are disclosed in Korean Patent Laid-Open Nos. 10-2007-0041556 and 10-0949029.

As described above, there are toxic compound materials such as nitric acid, hydrofluoric acid, hydrochloric acid, etc. which generate harmful gas by causing a chemical reaction when mixed with each other by mixing two or more kinds of chemicals with various devices or methods.

In the case of a chemical that generates a noxious gas by causing a chemical reaction when mixed with each other, a mixing process is performed in a predetermined closed space in order to protect the operator or the surrounding environment from noxious gas, Gas is prevented from leaking to the outside.

In the case of an apparatus for mixing chemicals in an industrial facility of a chemical process, a chamber is constituted by an enclosed space, and a mixer for mixing chemicals is installed in the internal space of the chamber. In the raw material tank provided outside the chamber, And the mixing process is performed.

In this chemical mixing system, various devices including a mixer are installed in a chamber made of a closed space. Therefore, in order to maintain and manage various devices installed in the chamber, an operator has to go into and operate the chamber.

However, the inside of the chamber is a space where noxious gas can leak from the mixer. After the mixing process of the chemical is completed in the mixer, the mixed gas and the reaction gas are discharged through the transfer line, When the operator enters and exits the chamber in the state where the harmful gas leaks into the chamber, there is a danger of safety accident as well as a problem that the harmful gas leaks out and contaminates the surrounding environment.

Korean Patent Publication No. 10-2007-0041556. Korean Patent No. 10-0949029.

The present invention relates to a technology for preventing the harmful gas from leaking to the outside in the industrial facility of the conventional chemical process, and for solving the problems of the life damage caused by the harmful gas, When a chemical or noxious gas leaks from the mixer in the process, the controller senses the leakage of the chemical or noxious gas, operates the intake and exhaust dampers and the suction fan to evacuate the noxious gas to the outside and ventilate the noxious gas. Accordingly, the harmful gas discharged to the outside is purified through the purification facility, and then discharged to the atmosphere, thereby preventing environmental pollution. In addition, it is possible to prevent environmental pollution by using a remote controller such as a portable mobile communication terminal And to provide a harmful gas remote control system for industrial equipment safety capable of controlling the system Ever it shall be.

The present invention has been made to solve the above-

A chamber which is embodied as a closed space; A mixer installed in an inner space of the chamber and supplied with a drug raw material outside the chamber to perform a mixing process; A monitoring sensor installed in an inner space of the chamber and detecting chemicals and harmful gas leaking from the mixer; An intake and exhaust damper installed in the chamber for supplying outside air into the chamber and exhausting noxious gas inside the chamber to the outside; A suction fan connected to the exhaust damper by an exhaust pipe and sucking noxious gas through an exhaust damper from the outside of the chamber; An alarm which is installed outside the chamber and informs the operator of the leakage of the noxious gas; And a controller for controlling the intake and exhaust damper, the suction fan, and the alarm to exhaust the noxious gas in the chamber to the outside, and to inform the operator of the leakage of the noxious gas.

In an embodiment of the present invention, the intake and exhaust dampers are formed in the shape of a tube so that the gas is sucked and exhausted, and the housing has a flange formed at one end thereof; A motor provided on one outer side surface of the housing; A disk rotatably installed in the inner space of the housing and rotated by driving of the motor; A rotating body installed on one side of the housing and rotating together with the disk; And a sensor holder provided on one outer surface of the housing and having a plurality of sensors for recognizing a rotation range of the rotating body.

According to the embodiment of the present invention, when chemical or noxious gas leaks from the mixer into the chamber, it is recognized by the detection sensor, and the controller drives the intake and exhaust dampers and the suction fan to discharge the noxious gas leaking into the chamber to the outside And ventilates the exhaust gas. The operator informs the operator of the leakage of the harmful gas, thereby preventing the safety accident of the operator in the industrial facility of the chemical process. The harmful gas exhausted from the chamber to the outside is purified through the purification facility , And it is effective to prevent environmental pollution as it is discharged into the atmosphere.

In addition, the embodiment of the present invention has an effect that a hazardous gas leaking to the outside can be more safely handled by an operator by controlling and monitoring the system using a remote controller such as a portable mobile communication terminal at a remote location.

1 is a configuration diagram of a remote control system according to an embodiment of the present invention;
Fig. 2 is a sectional view of the main portion showing the state of installation of the damper in the embodiment of the present invention. Fig.
3 is a perspective view showing a damper in an embodiment of the present invention.
4 is a front view showing an operating state of the damper in the embodiment of the present invention.
Fig. 5 is a front view of a main part showing an operating state of a damper in an embodiment of the present invention; Fig.
6 is an installation state sectional view showing another embodiment of the damper in the present invention.
7 is an operational state sectional view showing another embodiment of the damper in the present invention.

The main point of the embodiment of the present invention is to prevent safety accidents and environmental pollution of an operator from harmful gases leaking to the outside, to control and monitor the system by using a remote controller such as a portable mobile communication terminal at a remote place, It is to be able to treat the leaked harmful gas more safely.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the like elements throughout. A mixer 20 installed in an inner space of the chamber 10 and supplied with a drug raw material outside the chamber 10 to perform a mixing process; A monitoring sensor 30 installed in an inner space of the chamber 10 to detect chemicals and noxious gas leaking from the mixer 20; Intake and exhaust dampers (40a, 40) installed in the chamber (10) for supplying outside air into the chamber (10) and exhausting noxious gas inside the chamber (10) to the outside; A suction fan 50 connected to the exhaust damper 40 through an exhaust pipe and sucking noxious gas through the exhaust damper 40 from the outside of the chamber 10; An alarm (60) installed outside the chamber (10) and informing the operator of the leakage of the noxious gas; The controller controls the intake and exhaust dampers 40a and 40 and the suction fan 50 and the alarm 60 to exhaust the noxious gas inside the chamber 10 to the outside and notify the operator of the leakage of the noxious gas 70).

1, the chamber 10 is formed as a closed space in an industrial facility of a chemical process, and is isolated from the outside so that the inside air is not exhausted to the outside, , And a mixer (20) for mixing chemicals is installed inside the sealed space.

The mixer 20 is supplied with a predetermined amount of the drug raw material through the electromagnetic valve 21 that operates in response to the signal of the controller 70 from outside the chamber 10 and the drug raw material supplied to the mixer 20 And is then discharged to the outside of the chamber 10 through the opening and closing operation of the electromagnetic valve 22 which operates in response to the signal from the controller 70 and is stored in a separate tank.

A sensing sensor 30 is installed in the inner space of the chamber 10 to detect liquid chemical substances leaking from the mixer 20 or noxious gas generated by the reaction, To the controller 70 so that the controller 70 recognizes the leakage of the liquid chemical substance or the noxious gas and can install either the leak sensor or the gas sensor, So that it can detect both the liquid chemical substance expected to react and the generated harmful gas.

1 to 3, the intake and exhaust dampers 40a and 40 in the main configuration described above are arranged such that when liquid chemical substances or noxious gas leak into the internal space of the chamber 10, And the inside of the chamber 10 is evacuated to ventilate.

The intake and exhaust dampers 40a and 40 are preferably installed in a direction opposite to each other in the closed chamber 10 and are formed in the shape of a tube so that the gas is sucked and exhausted, 41); A motor (42) provided on one outer side surface of the housing (41); A disk (43) rotatably installed in the inner space of the housing (41) and rotated by driving of the motor (42); A rotating body 44 provided outside one side of the housing 41 and rotating together with the disk 43; And a sensor holder 45 provided on one outer surface of the housing 41 and provided with a plurality of sensors 45a for recognizing the rotation range of the rotating body 44. [

The housing 41 constituting the damper is formed in a circular or multi-tubular shape so as to exhaust air or dust, which is harmful to dust or cloudy air, or to suck in outside air, and a flange is formed at one end do.

The flange formed on the housing 41 is for fixing the housing 41 to the air-conditioning duct or the chamber 10 in the closed space. The flange may be formed on either the upper or lower end of the housing 41 And can be manufactured in accordance with the installation location and specifications of the damper.

The motor 42 has a function of opening and closing the disk 43 by rotating the disk 43. The motor 42 is disposed in a direction perpendicular to the longitudinal direction of the housing 41 on one side of the housing 41, And a rotating shaft is installed to penetrate into the inner space of the housing 41 and is controlled to operate by receiving an electrical signal from a controller 70. When the motor 42 is driven, (43) is rotated in either one direction to perform opening and closing operations.

The disk 43 has a function of controlling the amount of air to be sucked and discharged by opening and closing the disk 43. The disk 43 is rotatably installed in the inner space of the housing 41 and receives the driving force of the motor 42 So that the opening / closing operation is performed.

The disk 43 is preferably formed in a circular or polygonal shape depending on the inner space of the housing 41. One end of the disk 43 is attached to the rotating shaft of the motor 42 in the inner space of the housing 41, When the motor 42 is driven by the controller 70, the rotary shaft is rotated in one direction so that the opening / closing operation is performed.

The rotating body 44 is a function of rotating together with the disk 43 to recognize the rotation range of the disk 43 and is installed on the outside of one side of the housing 41 on the opposite side where the motor 42 is located And is attached to a rotating shaft formed at the end of the disk 43. [

The rotary body 44 is rotatably installed on the outer side of the housing 41 and a sensor bar 44a protrudes on one side of the outer circumferential surface of the rotary body 44. The sensor bar 44a is recognized by a detection sensor 45a The sensor bar 44a may be installed in a single or symmetrical manner so that when the motor 42 is driven, the sensor bar 44a is moved from the outer side of the housing 41 43).

The sensor holder 45 is a function for recognizing the rotation range of the rotating body 44 and is provided on one outer side surface of the housing 41 and includes a plurality of sensors (45a).

The sensor holder 45 is preferably formed in a semicylindrical shape around the outer circumference of the rotating body 44. The sensor holder 45 is provided with a plurality of detection sensors 45a at an angle to the inner surface thereof, Recognizes the sensor bar 44a provided in the whole body 44 and transmits the signal to the controller 70. [

The sensor holder 45 recognizes the position of the sensor bar 44a by a plurality of sensors 45a when the disk 43 and the rotator 44 are rotated by the motor 42, The controller 70 senses the rotational range of the disk 43 and the rotating body 44 so that the controller 70 controls the driving of the motor 42 to adjust the opening and closing range of the disk 43 .

Therefore, the intake and exhaust dampers 40a and 40 can detect the rotation range of the disk 43 and the rotating body 44 by the controller 70 as the plurality of sensors 45a recognize and transmit the rotation range to the controller 70 The amount of air sucked and exhausted by the damper can be automatically and precisely controlled by detecting the opening and closing range of the disk 43 and controlling the driving of the motor 42 to open and close the disk 43. [

The suction fan 50 is connected to the exhaust damper 40 through an exhaust pipe and is connected to the exhaust damper 40 through the exhaust damper 40. The suction fan 50 is connected to the exhaust damper 40 through the exhaust damper 40, And dust and the like which have been exhausted from the chamber 10 through the suction fan 50 are introduced into the purifying apparatus to be purified and then discharged into the atmosphere, Thereby preventing contamination.

The alarm unit 60 is installed in the chamber 10 at a position adjacent to the door or the door through which the operator enters and exits the chamber 10, When the noxious gas leaks into the inner space of the chamber 10, the controller 70 operates the alarm 60 to notify the operator of the leakage of the noxious gas.

The controller 70 has a function of controlling the mixer 20, the detection sensor 30, the intake and exhaust dampers 40a, 40, the suction fan 50, and the alarm 60, When the liquid chemical substance or noxious gas leaks into the internal space of the chamber 10 through the detection sensor 30 and operates the intake and exhaust dampers 40a and 40 and the suction fan 50, 10, while warning the operator of the leakage of the noxious gas by activating the alarm 60, thereby preventing worker safety accidents.

In addition, the embodiment of the present invention can monitor and operate the controller 70 through the remote controller 80. The remote controller 80 may be a portable communication terminal, in particular, a smart phone capable of driving various applications, And an application for operating the controller 70 is installed in the smartphone so that the controller 70 can be monitored and operated.

The remote controller 80 is portable and can monitor the leakage of the noxious gas from a remote location. The operator of the remote controller 80 can check whether the liquid chemical or the noxious gas leaks, And informs the nearby worker of the leakage of the noxious gas by activating the alarm 60 by using communication means.

6 to 7 in the drawings, the disk 43, which performs an opening and closing operation in the internal space of the housing 41, is disposed at a predetermined interval in another embodiment of the intake and exhaust dampers 40a, 40 in the present invention, A plurality of inclined blades 43a are formed in a vertically zigzag shape so as to be engaged with each other, and a flow path 43b through which air flows is formed between the plurality of blades 43a.

The disk 43 is formed in a zigzag shape so that a plurality of blades 43a that are inclined in one direction are engaged with each other. Therefore, when a small amount of air is exhausted through the flow path 43b, A foreign matter or the like is caught or struck to perform filtration.

In this case, the housing 41 is vertically installed on the upper part of the duct 100 connected to the chamber 10, the collection box 47 is installed to be positioned below the disk 43, The foreign object falling on the disk 43 or falling on the disk 43 is collected in the water or the oil contained in the collection box 47. As a result,

In the present invention, the intake and exhaust dampers 40a and 40 are provided with a filtering filter 46 inside the housing 41 so that the intake air or exhausted air can be filtered, A synthetic fiber can be applied and a door 46a which is opened and closed by a hinge 46b is provided at one side of the housing 41 so that a filtering filter 46 can be detachably installed inside the housing 41.

Therefore, the intake air or the exhausted air passes through the filter 46, and various dusts and foreign substances are filtered. After intake or exhaust, clean air is drawn in, while the filtered air is exhausted, thereby preventing air pollution .

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, It is possible to carry out various changes in the present invention.

10: chamber 20: mixer
21 (22): Solenoid valve 30: Sensing sensor
40 (40a): damper 41: housing
42: motor 43: disk
44: Rotor 44a: Sensor bar
45: sensor holder 45a: detection sensor
50: Suction fan 60:
70: Controller 80: Remote controller

Claims (9)

A chamber (10) embodied in a closed space; A mixer 20 installed in an inner space of the chamber 10 and supplied with a drug raw material outside the chamber 10 to perform a mixing process; A monitoring sensor 30 installed in an inner space of the chamber 10 to detect chemicals and noxious gas leaking from the mixer 20; Intake and exhaust dampers (40a, 40) installed in the chamber (10) for supplying outside air into the chamber (10) and exhausting noxious gas inside the chamber (10) to the outside; A suction fan 50 connected to the exhaust damper 40 through an exhaust pipe and sucking noxious gas through the exhaust damper 40 from the outside of the chamber 10; An alarm (60) installed outside the chamber (10) and informing the operator of the leakage of the noxious gas; The controller controls the intake and exhaust dampers 40a and 40 and the suction fan 50 and the alarm 60 to exhaust the noxious gas inside the chamber 10 to the outside and notify the operator of the leakage of the noxious gas 70)
The intake and exhaust dampers 40a and 40 include a housing 41 formed in a tubular shape so that a gas is sucked and exhausted and a flange formed at one end thereof; A motor (42) provided on one outer side surface of the housing (41); A disk (43) rotatably installed in the inner space of the housing (41) and rotated by driving of the motor (42); A rotating body 44 provided outside one side of the housing 41 and rotating together with the disk 43; And a sensor holder 45 provided on one outer side surface of the housing 41 and provided with a plurality of detection sensors 45a for recognizing the rotation range of the rotating body 44. [ Hazardous gas remote control system for facility safety.
delete delete The method according to claim 1,
The rotating body (44)
And a sensor bar (44a) protruding from one side of the outer circumferential surface, wherein the sensor bar (44a) protrudes from the outside of the housing (41) Remote control system.
5. The method of claim 4,
The sensor bar 44a,
Wherein the rotating body (44) has two symmetrical outer circumferential surfaces.
The method according to claim 1,
The sensor holder (45)
A plurality of sensors 45a are installed on the inner surface of the rotating body 44 at a predetermined angle. The sensor 45a is connected to a sensor bar 45a provided on the rotating body 44, (44a) of the hazardous gas remote control system for industrial equipment.
The method according to claim 1,
The disk 43,
Wherein a plurality of blades (43a) inclined at regular intervals are formed in a vertically zigzag shape so as to be engaged with each other, and a flow path (43b) through which air passes is formed between the plurality of blades (43a) Gas remote control system.
The method according to claim 1,
The housing 41 is installed vertically on the upper part of the duct 100 connected to the chamber 10 and is provided with a collection box 47 so as to be positioned below the disc 43. Inside the collection box 47, And the oil is contained in the waste water.
The method according to claim 1,
A filter 46 is installed inside the housing 41. The filter 46 is installed at one side of the housing 41 with a door 46a opened and closed by a hinge 46b, Is installed in a detachable manner in an industrial facility.

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