KR102409227B1 - Insulation paper-attached mold device for motor core - Google Patents

Abstract

The present invention discloses a moisture content measuring device for industrial exhaust gas. The disclosed apparatus for measuring moisture content for industrial exhaust gas includes a case, a gas inlet moisture measuring line part provided inside the case to introduce exhaust gas for measurement, and heating the gas inlet moisture measuring line part provided in the case, It is characterized in that it comprises a flow path heating air transfer unit for transferring the air of the gas inlet moisture measurement line portion to increase the overall temperature of the gas inlet moisture measurement line portion to a specific temperature. Therefore, the present invention can measure moisture accurately by preventing moisture from being generated in the gas inflow moisture measuring line part due to the influence of external air when measuring moisture contained in high-temperature exhaust gas.

Description

Moisture content measuring device for industrial exhaust gas {Insulation paper-attached mold device for motor core}

The present invention relates to a moisture content measuring device for industrial exhaust gas, and prevents moisture from being generated in the gas inflow moisture measuring line part due to the influence of external air when measuring moisture contained in high temperature exhaust gas discharged from an industrial site. It relates to a moisture content measuring device for industrial exhaust gas that can accurately measure moisture.

In most industrial sites, a lot of energy in various forms is used in the process of operating facilities, and the increase in energy use emits various environmental pollutants. For example, the emission of air polluting gas has increased rapidly due to the increase in energy consumption due to rapid industrial development, and air pollution is facing a very serious situation among environmental pollution caused by this. is rising

Accordingly, recently, by installing an exhaust gas monitoring system (Tele Monitoring System) at industrial sites that emit pollutants, sulfur dioxide (SO2), nitrogen oxides (NOx), CO (carbon monoxide), HCI ( The Environmental Management Corporation monitors the emission status and pollution level of air pollutants such as hydrogen chloride), hydrogen fluoride (HF), and ammonia (NH3) in real time for 24 hours.

In addition, in order to suppress the emission of pollutants, emission standards are set and managed for each pollutant emitting pollutant source, and thus the emission gas monitoring system occupies a very important part in monitoring pollutants.

In addition, in the process of measuring air pollutants in industrial sites, it is often difficult to determine the exact name or concentration of air pollutants due to moisture or particulate matter included in the pollutants. Therefore, measuring moisture in the process of measuring air pollutants is a very important factor.

However, the moisture content measurement system of the prior art has a problem in that the moisture content measurement result is not accurate and a lot of errors occur due to the moisture contained in the gas to be measured and the condensation caused by the external environment.

Therefore, there is a need to improve it.

On the other hand, domestic registered patent No. 10-1976934 (registration date: 2019.05.02) discloses "a water pretreatment device and water discharge method for air pollution measurement and analysis", and registered patent No. 10-2258693 (registration date: 2021.05. 25) discloses “an automated system for measuring moisture in raw materials”.

The present invention was created by the above necessity, and when moisture contained in high-temperature exhaust gas discharged from an industrial site is measured, moisture is generated in the gas inlet moisture measurement line due to the temperature difference between the temperature of the exhaust gas and the outside air It is an object of the present invention to provide a moisture content measuring device for industrial exhaust gas that can accurately measure moisture in exhaust gas by preventing it from being formed.

In order to achieve the above object, an apparatus for measuring moisture content for industrial exhaust gas according to an aspect of the present invention includes a case, a gas inlet moisture measuring line part provided inside the case to introduce gas for measurement, and the case It is provided in the heating the gas inlet moisture measuring line, and conveying the heated air in the gas inlet moisture measuring line to increase the total temperature of the gas inlet moisture measuring line to a specific temperature, characterized in that it comprises a heating air transfer unit do it with

In addition, in the present invention, the gas inlet moisture measuring line unit is coupled to the case so as to be connected to an internal transfer branch line provided inside the case, and the internal transfer branch line, and is selectively heated through the flow path heating air transfer unit an external inlet line, a probe detached from the external inlet line, and inserted into a pollutant discharge object for suction of the exhaust gas, and the exhaust gas installed inside the case and transferred to the internal transfer branch line. It is characterized in that it includes a moisture content detection module for detecting the temperature, dew point, and moisture content.

In addition, in the present invention, the flow path heating air transfer unit sucks the exhaust gas exhausted to the pollutant discharge object through the probe or prevents the inflow of the exhaust gas when the temperature of the exhaust gas is above a specific temperature. It is characterized in that the external air is discharged to the gas inlet moisture measurement line part.

In addition, in the present invention, the flow path heating air transfer unit is connected to the internal transfer branch line, and an air pump member for forcibly sucking in the exhaust gas or forcibly discharging external air through the gas inlet moisture measurement line unit, and induction heating It characterized in that it comprises an induction heating member coupled to the case to heat the external inlet line through the method.

In addition, in the present invention, the external inlet line is characterized in that it is formed of a metal material.

In addition, in the present invention, the induction heating member includes a heat insulator coupled to the external inlet line, a magnetic induction coil provided outside of the heat insulator, and the case and the external induction line to protect and support the magnetic induction coil. It is coupled, characterized in that it comprises a protective cover for covering the magnetic induction coil.

In addition, in the present invention, the moisture content detection module includes a communication block coupled to the case to communicate with the internal transfer branch line, and a moisture content sensor coupled to the communication block to detect the temperature, dew point, and moisture content of the exhaust gas; , It is installed in the communication block characterized in that it comprises a block heater for selectively heating the communication block.

In addition, in the present invention, the gas inlet moisture measurement line part, it characterized in that it further comprises an auxiliary temperature sensor for detecting the temperature of the moisture amount detection module and the induction heating member.

As described above, the moisture content measuring device for industrial exhaust gas according to an aspect of the present invention is installed on a pollutant discharge object to measure moisture contained in high-temperature exhaust gas discharged from an industrial site, unlike the prior art. When this is done, moisture in the exhaust gas can be accurately measured while minimizing the influence on the external environment because moisture can be generated in the gas inflow moisture measurement line due to the temperature difference between the exhaust gas and the outside air.

In addition, since the moisture content measuring device for industrial exhaust gas according to the present invention can heat the gas inflow moisture measuring line using the flow path heating air transfer unit or block the inflow of exhaust gas, it is possible to prevent damage to internal parts have

1 is a perspective view illustrating an apparatus for measuring a moisture content for industrial exhaust gas according to an embodiment of the present invention.
2 is an exploded perspective view illustrating an apparatus for measuring a moisture content for industrial exhaust gas according to an embodiment of the present invention.
3 is a front view illustrating an apparatus for measuring a moisture content for industrial exhaust gas according to an embodiment of the present invention.
4 is an exploded perspective view illustrating a moisture content sensing module according to an embodiment of the present invention.
5 is a partially cut-away perspective view for explaining a flow path heating air transfer unit according to an embodiment of the present invention.
6 is an exploded perspective view for explaining a flow path heating air transfer unit according to an embodiment of the present invention.
7 is a view for explaining the operation of the moisture content measuring apparatus for industrial exhaust gas according to an embodiment of the present invention.

Hereinafter, a preferred embodiment of an apparatus for measuring the amount of moisture for industrial exhaust gas according to the present invention will be described with reference to the accompanying drawings. In this process, the thickness of the lines or the size of the components shown in the drawings may be exaggerated for clarity and convenience of explanation.

In addition, the terms to be described later are terms defined in consideration of functions in the present invention, which may vary according to the intention or custom of the user or operator. Therefore, definitions of these terms should be made based on the content throughout this specification.

1 is a perspective view for explaining an apparatus for measuring a moisture content for industrial exhaust gas according to an embodiment of the present invention, and FIG. 2 is an exploded perspective view for explaining an apparatus for measuring a moisture content for industrial exhaust gas according to an embodiment of the present invention , Figure 3 is a front view for explaining the moisture content measuring apparatus for industrial exhaust gas according to an embodiment of the present invention.

In addition, Figure 4 is an exploded perspective view for explaining the moisture content sensing module according to an embodiment of the present invention, Figure 5 is a partially cut-away perspective view for explaining the flow path heating air transfer unit according to an embodiment of the present invention, Figure 6 is an exploded perspective view for explaining the flow path heating air transfer unit according to an embodiment of the present invention, Figure 7 is a view for explaining the operation of the moisture content measuring apparatus for industrial exhaust gas according to an embodiment of the present invention.

1 to 7, in order to measure the pollutants of the exhaust gas discharged from the industrial site, the pollutant discharge object 10 such as a duct and a chimney from which the exhaust gas is discharged is a moisture content measuring device for industrial exhaust gas (100). ) is installed, and the amount of moisture contained in the exhaust gas is measured through the moisture content measuring device 100 for industrial exhaust gas.

The moisture content measuring apparatus 100 for industrial exhaust gas according to this embodiment includes a case 110 in which parts such as a battery are installed, and a gas inlet moisture measuring line part installed in the case 110 for measuring moisture in the exhaust gas. 120 and a flow path heating air transfer unit 130 for selectively blocking the heating of the gas inflow moisture measurement line 120 and the inflow of exhaust gas.

The moisture content measuring apparatus 100 for industrial exhaust gas according to this embodiment can selectively heat the gas inlet moisture measuring line unit 120 using the flow path heating air transfer unit 130, so that the gas inlet moisture measuring line unit ( After maintaining the temperature of 120) above a certain temperature, for example, a temperature at which a dew point is created, the exhaust gas can be sucked in. Through this, in the process of measuring the moisture of the exhaust gas, it is possible to prevent dew from forming in the gas inlet moisture measuring line unit 120 due to the difference between the internal temperature and the external temperature of the gas inlet moisture measuring line unit 120 . Therefore, it is possible to accurately measure the moisture in the exhaust gas.

In addition, when the moisture content measuring device 100 for industrial exhaust gas according to this embodiment is installed for measuring the moisture in the exhaust gas, when the temperature of the inlet gas measured by the moisture content detecting module 127 is 180° C. or higher, outdoor air It is also possible to prevent the inflow of exhaust gas by sucking it and transferring it to the inside of the gas inlet moisture measurement line unit 120 .

The case 110 according to the present embodiment includes a main body 111 in which parts such as a battery are installed, and a cover 113 for opening and closing the main body 111 . At this time, the main body 111 is provided with a gas inflow moisture measurement line 120 and a flow path heating air transfer unit 130 .

In addition, the case 110 is provided with a control unit for controlling the gas inflow moisture measurement line unit 120 and the flow path heating air transfer unit 130 . Before measuring the moisture in the exhaust gas, the controller uses the dew point detection result of the gas inlet moisture measuring line unit 120 detected by the flow path heating air transfer unit 130 to measure the temperature of the gas inlet moisture measuring line unit 120 as the dew point temperature. The flow path heating air transfer unit 130 is operated so as to be abnormal. Then, since the exhaust gas can be sucked in a state where the temperature of the gas inlet moisture measuring line 120 is maintained higher than the dew point temperature, in the process of measuring the moisture in the exhaust gas, the inside of the gas inlet moisture measuring line 120 is It can prevent dew from forming.

The gas inlet moisture measurement line unit 120 according to the present embodiment is installed in the case 110 for suction of exhaust gas. At this time, the gas inlet moisture measurement line unit 120 is inserted into the pollutant discharge object 10 , and the exhaust gas is selectively sucked by the flow path heating air transfer unit 130 . Here, the pollutant discharge object 10 may be a gas discharge duct, a chimney, or the like.

Specifically, the gas inlet moisture measurement line unit 120 is selectively heated through the internal transfer branch line 121 provided inside the case 110 and the flow path heating air transfer unit 130 outside the case 110 . An external inflow line 123 coupled to the , a probe 125 inserted into the pollutant discharge object, and a moisture content detection module 127 connected to the internal transfer branch line 121 to detect the temperature, dew point, and moisture content of the exhaust gas. ) is included.

The inner surface of this gas inlet moisture measuring line unit 120 can be preheated while the heating air of the external inlet line 123 heated through the flow path heating air conveying unit 130 is circulated to the inside by the flow path heating air conveying unit 130 . have.

The internal transfer branch line 121 is coupled to the case 110 so that one end communicates with the external inlet line 123, the other end branches off, and the moisture content detection module 127 is connected to one end.

The external inlet line 123 is coupled to the case 110 so as to be connected to the internal transfer branch line 121 , and is selectively heated by the flow path heating air transfer unit 130 . The external inlet line 123 has a probe 125 selectively detached from the end thereof, and at the same time as being heated by the flow path heating air transfer unit 130, the air heated inside the gas inlet moisture measurement line unit 120 inside ( forward) or outward (reverse). In addition, the sensor mounting part 123a for coupling the auxiliary temperature sensor 129 is formed in the external inlet line 123 in the form of a hole or an attachment type.

The external inlet line 123 according to the present embodiment may be formed of a metal material so that heating by the flow path heating air transfer unit 130 is efficiently performed.

The probe 125 is detached from the end of the external inlet line 123 and is inserted into the pollutant discharge object for suction of exhaust gas. The probe 125 is selectively heated through the flow path heating air transfer unit 130 to prevent condensation from occurring on the inner surface when the temperature of the outside air is low. The probe 125 according to the present embodiment is preferably heated to a dew point temperature or higher according to the current outside air temperature.

The moisture content detection module 127 is provided in the case 110 to be connected to the internal transfer branch line 121 to measure the temperature, dew point, and moisture content of the exhaust gas flowing into the gas inlet moisture measurement line unit 120 .

To this end, the moisture content detection module 127 is coupled to the communication block 127a coupled to the case 110 to communicate with the internal transfer branch line 121, and the communication block 127a to pass through the communication block 127a. It includes a moisture content sensor 127b for detecting the temperature, dew point, and moisture content of the exhaust gas, and a block heater 127c for preventing dew formation and condensation on the communication block 127a.

The communication block (127a) has a block heater (127c) is coupled to the outer surface, the moisture content sensor (127b) is coupled to the lower side. In addition, a heater mounting surface 127a' for coupling the block heater 127c is recessed in the communication block 127a.

The block heater 127c is coupled to the heater mounting surface 127a' of the communication block 127a to selectively heat the communication block 127a. Through this, when the moisture content measuring device 100 for industrial exhaust gas is used in winter, it is possible to prevent condensation on the communication block 127a, and it is possible to prevent condensation on the filter of the moisture content sensor 127b.

On the other hand, the gas inflow moisture measurement line unit 120 according to the present embodiment is an auxiliary temperature sensor 129 for detecting the temperature of the communication block 127a of the moisture content detection module 127 and the flow path heating air transfer unit 130 . ) may be further included. In this case, the auxiliary temperature sensor 129 may be provided in the communication block 127a and the flow path heating air transfer unit 130 , respectively.

The flow path heating air transfer unit 130 according to this embodiment is provided in the case 110 to selectively heat the external inlet line 123, and sets the temperature of the gas inlet moisture measurement line unit 120 to a specific temperature, for example. It rises to 120-140°C. The flow path heating air transfer unit 130 transfers the internal air of the gas inlet moisture measurement line unit 120 in a forward or reverse direction while heating the external inlet line 123 .

For example, the flow path heating air transfer unit 130 sucks the exhaust gas exhausted to the pollutant discharge object through the probe 125 or prevents the inflow of the exhaust gas when the temperature of the exhaust gas is higher than a specific temperature. may be discharged to the outside through the gas inlet moisture measurement line unit 120 . At this time, the flow path heating air transfer unit 130 sucks the exhaust gas exhausted from the pollutant discharge object only when the internal temperature of the probe 125 is maintained above the dew point at which dew is formed.

To this end, the flow path heating air transfer unit 130 is connected to the internal transfer branch line 121 to forcibly suck in exhaust gas or an air pump member 131 for forcibly discharging external air through the gas inlet moisture measurement line unit 120 . ) and an induction heating member 133 provided in the case 110 to selectively heat the external inlet line 123 .

The air pump member 131 is provided in each branch line at one end of the internal transfer branch line 121 to suck the air from the gas inlet moisture measurement line 120 (forward transfer) or discharge to the probe 125 side (reverse direction). transport). For example, the air pump member 131 is connected to the other of the first pump 131a connected to any one of the branches of the internal transfer branch line 121 and the other one of the branches of the internal transfer branch line 121 . A second pump (131b) is provided. At this time, one of the first pump (131a) and the second pump (131b) operates to suck the exhaust gas, and the other operates to block the inflow of the exhaust gas.

The air pump member 131 heats the probe 125 before or after inserting the probe 125 into the pollutant discharge object 10 through the operation of the first pump 131a, and then the second pump By operating (131b), the internal transfer branch line 121 can be heated.

The induction heating member 133 is coupled to the case 110 to selectively heat the external inlet line 123 to cover the external inlet line 123 . The induction heating member 133 protects the insulator 135 coupled to the outer surface of the external inlet line 123 , the magnetic induction coil 137 provided on the outside of the insulator 135 , and the magnetic induction coil 137 . and a protective cover 139 coupled to the body 111 of the case 110 and the external inlet line 123 to support it.

The magnetic induction coil 137 is connected to the inside of the case 110 while being insulated by the protective cover 139 to selectively heat the metal external inlet line 123 .

The protective cover 139 includes a first insulator 139a coupled to the body 111 of the case 110 , a second insulator 139b coupled to the external inlet line 123 , and a first insulator 139a A cylindrical cover 139c coupled between the second insulators 139b is provided.

The first insulator 139a has a line insertion hole 139a' into which the external inlet line 123 is inserted in the central portion, and a coil for installing the magnetic induction coil 137 to the outside of the line insertion hole 139a'. An installation hole 139a" is formed. In addition, a stepped portion 139a''' for coupling the cylindrical cover 139c to one side of the first insulator 139a is formed on an outer surface of the first insulator 139a. At this time, the line insertion hole 139a' ), a female screw is formed, and a male screw is formed in the external inlet line 123 to be coupled to each other.

The second insulator 139b has a line coupling hole 139b ′ to which the external inlet line 123 is coupled is formed in the central portion, and a coupling rib 139 ″ to which the cylindrical cover 139c is coupled is formed protruding from one inner surface of the second insulator 139b. The second insulator 139b may have a female screw formed on the inner surface of the line coupling hole 139b ′ so that the line coupling hole 139b ′ is screwed to the external inflow line 123 . A male screw for screwing the line coupling hole 139a ′ may be formed in the line 123 .

The induction heating member 133 may be easily installed in the body 111 of the case 110 together with the external inlet line 123 in a prefabricated manner.

The moisture content measuring apparatus 100 for industrial exhaust gas according to an embodiment of the present invention configured as described above is flow path heating before measuring the moisture content of the exhaust gas in the winter season when the external temperature is low or in an environment where the moisture content of the exhaust gas is large. Through the induction heating member 133 of the air transfer unit 130, the internal temperature of the gas inlet moisture measuring line unit 120 can be heated to a specific temperature or higher than the dew point temperature of the gas inlet moisture measuring line unit 120. Therefore, in order to measure the moisture contained in the high temperature exhaust gas, the moisture content measuring device 100 for industrial exhaust gas is installed on the pollutant discharge object 10 and the exhaust gas is sucked through the driving of the first pump 131a. When the temperature difference between the exhaust gas temperature and the outside air, it is possible to prevent moisture from being generated due to dew condensation in the gas inflow moisture measurement line unit 120 . Accordingly, it is possible to accurately measure the moisture in the exhaust gas while minimizing the influence of the external environment.

In addition, the moisture content measuring device 100 for industrial exhaust gas according to the present invention, after inserting the probe 125 into the pollutant discharge object 10, the gas inlet moisture measurement line unit 120 through the probe 125 Since the temperature of exhaust gas delivered to It can be circulated to prevent the inflow of exhaust gas. In this way, it is possible to prevent high-temperature exhaust gas from flowing into the interior, thereby preventing damage to internal components.

Meanwhile, a modified example of the moisture content sensing module according to an embodiment of the present invention will be described with reference to FIGS. 8 and 9 .

8 and 9, the moisture content detection module 129 according to a modified example of the present invention includes a communication block 129a, a moisture content sensor 129b, and a block heater 129c, and the communication block A sensor coupling groove 129d for coupling the moisture content sensor 129b is formed on the lower surface of the 129a. At this time, the block heaters 129c are respectively coupled to both sides of the communication block 129a to improve the heating effect of the communication block 129a.

In addition, the moisture content sensor (129b) is provided with a filter (129b') at the upper end inserted into the sensor coupling groove (129d). The filter 129b' of the moisture content sensor 129b passes only fine particle moisture and filters out other particles. Due to this, it is possible to reduce the measurement error of the moisture content sensor 129b.

In particular, the sensor coupling groove portion (129d) is formed to have a long hole or an elliptical shape. Then, when the filter 129b' is coupled to the sensor coupling groove portion 129d, the filter 129b' comes into contact with both inner surfaces of the block heater 129c close to the block heater 129c, and the other inner surface of the sensor coupling groove portion 129d is the filter. (129b') and spaced apart.

Due to this, since a part of the outer surface of the filter 129b' that is in contact with the inner surface of the sensor coupling groove 129d is in contact, the temperature of the surface of the filter 129b' can be quickly increased, so that the moisture content sensor 129b is measured. The error can be reduced, and the measurement can be made while smoothly maintaining the passage and transport of the exhaust gas through the filter 129b ′ through the other space.

Although the present invention has been described with reference to the embodiment shown in the drawings, this is merely an example, and those skilled in the art to which various modifications and equivalent other embodiments are possible. will understand

Accordingly, the true technical protection scope of the present invention should be defined by the claims.

100: moisture content measuring device for industrial exhaust gas 110: case
111: body 113: cover
120: gas inflow moisture measurement line 121: internal transfer branch line
123: external inflow line 125: pro
127: moisture content detection module 127a: communication block
127b: moisture content sensor 127c: block heater
130: flow path heating air transfer unit 131: air pump member
131a: first pump 131b: second pump
133: induction heating member 135: insulating material
137: magnetic induction coil 139: protective cover
139a: first insulator 139b: second insulator
139c: cylindrical cover

Claims (6)

case; a gas inlet moisture measurement line unit provided inside the case to introduce exhaust gas for measurement; and a flow path heating air transfer unit provided in the case to heat the gas inlet moisture measurement line and transfer the heated air in the gas inlet moisture measurement line to raise the overall temperature of the gas inlet moisture measurement line to a specific temperature; includes,
The gas inlet moisture measurement line unit includes: an internal transfer branch line provided inside the case; an external inlet line coupled to the case so as to be connected to the internal transfer branch line and selectively heated through the flow path heating air transfer unit; a probe detached from the external inlet line and inserted into the pollutant discharge object for suction of the exhaust gas; and a moisture content detection module installed inside the case to sense the temperature and humidity of the exhaust gas transferred to the internal transfer branch line;
The flow path heating air transfer unit sucks the exhaust gas exhausted to the pollutant discharge object through the probe or sucks outside air to prevent the inflow of the exhaust gas when the temperature of the exhaust gas is greater than or equal to a specific temperature. Discharge to the inlet moisture measurement line,
The flow path heating air transfer unit may include: an air pump member connected to the internal transfer branch line for forcibly sucking in the exhaust gas or forcibly discharging external air through the gas inlet moisture measurement line; and an induction heating member coupled to the case to heat the external inlet line through an induction heating method.
The moisture content sensing module may include: a communication block coupled to the case to communicate with the internal transfer branch line;
a moisture content sensor coupled to the communication block to sense the temperature and humidity of the exhaust gas; and
a block heater installed in the communication block to selectively heat the communication block;
Water content measuring device for industrial exhaust gas comprising a.
delete delete The method of claim 1,
The external inlet line is formed of a metal material,
The induction heating member may include: an insulator coupled to the external inlet line;
a magnetic induction coil provided outside the insulator; and
a protective cover coupled to the case and the external inlet line to protect and support the magnetic induction coil, and to cover the magnetic induction coil;
Water content measuring device for industrial exhaust gas comprising a.
delete The method of claim 1,
The gas inlet moisture measurement line unit includes: an auxiliary temperature sensor for detecting the temperature of the moisture content detection module and the induction heating member;
Water content measuring device for industrial exhaust gas, characterized in that it further comprises.

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