KR100556547B1 - Probe device for extracting sampling gas from chimney - Google Patents

Abstract

The present invention relates to a sample gas sampling probe device for the chimney, the upper and lower casing 10 of the hollow structure is open; A probe 20 having a lower portion fastened to an upper portion of the casing 10 and having a first gas flow passage 22 formed therein; Vortex forming means (30) provided at an upper end of the probe (20); A hollow structure having an open lower surface, the upper and lower ends of which are coupled to the lower end of the probe 20 and the lower part of the casing 10, respectively, and having a second gas flow passage 42 formed therein. )Wow; A ventilated heating filter (50) interposed between the inner wall of the casing (10) and the outer wall of the core member (40); Flow passage means formed so as to communicate with the heating filter 50 and the second gas flow passage 42 between the first gas flow passage 22, the inner wall of the casing 10, and the outer wall of the heating filter 50. It is composed of the entire heating system, including, by selectively separating the gas containing the dust by the vortex to collect only the sample gas required for gas measurement to prevent the closing of the flow path and improve the accuracy of the sample measurement, the heater The filter heating method built into the filter has the effect of maintaining accurate sample gas inspection ability even under wet conditions.

Chimney, sample gas, probe, pretreatment device

Description

Sample gas sampling probe device for chimney {PROBE DEVICE FOR EXTRACTING SAMPLING GAS FROM CHIMNEY}

1 is a perspective view showing a sample gas collection probe device for a chimney according to the present invention.

2 is an exploded perspective view of FIG. 1.

3A is a perspective view illustrating the probe of FIG. 2.

3B is a cross-sectional view taken along line IIIb-IIIb of FIG. 3A.

4 is a cross-sectional view taken along the line IV-IV of FIG. 1.

<< Explanation of symbols for main part of drawing >>

10: casing

20: probe 21a, 21b: fastening hole

22: first gas flow passage 22a, 22b, 22c: through hole

22c-1, 23a: recessed part 22d: screw

25a: fixing hole

30: vortex forming means

40 core member 41a fixing hole

42: second gas flow passage 42a: through hole

50: heating filter

60: cover 62: fastener

70: internal heating flow path heater

72: screw

80: remaining water outlet

92: water discharge passage

P: fixed pin

The present invention relates to a sample gas sampling probe device for a chimney, and more particularly, by selectively separating the gas containing the dust by vortex to collect only the sample gas required for gas measurement to prevent the closing of the flow path and the sample The present invention relates to a sample gas sampling probe device for a chimney that improves measurement accuracy and incorporates an internal heating flow path heater into a filter to maintain accurate sample gas measurement capability even under wet conditions.

The gas analyzer pretreatment device is a device interposed between the chimney and the environmental pollution analyzer so as to realize the optimum harmful gas analysis by purifying the sample gas flowing into the environmental pollution analyzer when analyzing the harmful gas exhausted from the industrial chimney.

In general, the probe of the pretreatment device purifies the sample gas by the primary filter while it is in the chimney. However, since the composition, concentration, and process conditions of the harmful gas are different for each chimney in the industry, it is necessary to maintain accurate gas analysis. Is very difficult.

In particular, the probes embedded in the chimney are condensate generated under the flue conditions inside the chimney and the probe, for example, under a low temperature incinerator condition, or under a condensate condition in which the filter is wetted by the condensate or accumulates in the flow path during the sampling of the sample gas (hereinafter, "wet condition"). There is a serious problem in that the filter performance of the filter is lowered, which leads to a loss of sample gas, as well as the durability of the filter due to corrosion. In addition, the probe has a drawback of frequent loss of the sample gas as well as the loss of the sample gas as described above, so that the soot (carbon soot), etc., which is unnecessary for the sampling of the sample gas is introduced together and the passage is closed.

An object of the present invention created to solve the above problems, by selecting only the components necessary for gas analysis from the organic gas components exhausted to the chimney to prevent the closing of the flow path as well as the sample for the chimney can improve the gas analysis accuracy The present invention provides a gas collection probe apparatus.

In addition, another object of the present invention is to provide a sample gas sampling probe device for a chimney capable of implementing a desired sampling even under wet conditions.

An object of the present invention, the casing of the hollow structure, the upper and lower surfaces are open; A probe having a lower portion fastened to an upper portion of the casing and having a first gas flow path; Vortex forming means provided at an upper end of the probe; A hollow structure having an open lower surface, the upper and lower ends being respectively coupled to the lower end of the probe and the lower part of the casing, the core member having a second gas flow path formed therein; A ventilated heating filter interposed between the inner wall of the casing and the outer wall of the core member, wherein the first gas flow path is between the inner wall of the casing and the outer wall of the heating filter; Sample gas sampling probe device for the chimney characterized in that the flow path means formed so as to communicate with the two gas flow paths, that is, the first gas flow path and the first gas flow path are in communication with each other via a heating filter interposed therebetween. Can be achieved by

Preferably, the first gas flow path of the present invention comprises a first through hole formed in the upper end of the probe, and the second through hole formed in the outer periphery formed so as to be in communication with the first through hole and spaced apart from the inner wall of the casing. It is configured to include.

More preferably, the first gas flow path of the present invention further comprises a third through hole which is opened and closed by a screw to selectively adjust the flow rate of the sample gas.

Preferably, in the vortex forming means of the present invention, one end of the triangular shape having a small transverse cross-sectional area is positioned at the upper outer periphery of the probe.

More preferably, the first through hole of the present invention is formed in the center or side portion of the probe adjacent to the other end of the vortex forming means.

Preferably, the present invention further comprises a cover mounted on the upper surface of the vortex forming means and the vortex forming means to protect the first through hole.

More preferably, the present invention further comprises a water discharge passage communicating with the lid and the probe, and further comprising a residual water outlet mounted on an upper surface of the lid, which is an upper portion of the moisture discharge passage.

Preferably, the second gas flow path of the present invention includes at least one or more fourth through holes formed in the upper outer periphery spaced apart from the inner wall of the heating filter by heating inside the core member, wherein the fourth through holes are respectively Communicate with the hollow portion of the core member.

Preferably, the present invention further comprises an internal heating flow path heater built in contact with the inner wall of the hollow portion of the core member.

Hereinafter, the configuration of the present invention with reference to the drawings in detail.

1 is a perspective view showing a sample gas collection probe device for a chimney according to the present invention, Figure 2 is an exploded perspective view of Figure 1, Figure 3a is a perspective view showing a probe 2, Figure 3b is a line IIIb-IIIb of Figure 3a 4 is a cross-sectional view taken along the line IV-IV of FIG. 1.

1 to 4, in the sample gas sampling probe device for a chimney according to the present invention, a lower portion is fastened to a casing 10 having a hollow structure and an upper side of the casing 10, and the first gas flow passage 22. ) Is formed with the probe 20, the vortex forming means 30 provided on the upper end of the probe 20, and the upper and lower ends are fastened to the lower end of the corresponding probe 20 and the lower part of the casing 10, respectively, The air permeability interposed between the core member 40 of the hollow structure in which the second gas flow passage 42 is formed, the inner heating flow path heater 70, the inner wall of the casing 10, and the outer wall of the core member 40 is provided. It comprises the filter 50 which exists, and the internal heating flow path means.

The casing 10 is a tubular body having a hollow structure with an upper and a lower surface open, and threads are formed in the upper and lower sides thereof, so that the corresponding portions of the probe 20 and the core member 40 are respectively as described above. It is fastened.

The probe 20 has a screw thread formed on the outer periphery of the lower part, is inserted into the upper part of the casing 10 described above, and is screwed together, and the upper part forms a space part in which both sides are open.

The first gas flow passage 22 of the probe 20 communicates with the first through hole 22a and the first through hole 22a formed at the upper end of the probe 20, respectively, and is connected to the inner wall of the casing 10. It is comprised including the 2nd through-hole 22b formed in the outer periphery enclosed so that it may be spaced apart.

Here, the first gas flow passage 22 further includes a third through hole 22c opened and closed by a screw 22d on the lower outer periphery of the probe 20 to selectively adjust the flow rate of the sample gas.

The vortex forming means 30 has a triangular shape, one end of which the cross section is small, is located at the outer circumference corresponding to the open position of the upper space of the probe 20. Therefore, the gas introduced from one side of the chimney forms a vortex in the process of moving from one end with a small cross sectional area of the vortex forming means 30 to the other end with a large cross sectional area. It is comprised so that it may not flow in into the 1st through-hole 22a of the 1st gas flow path 22 mentioned above.

And, in the embodiment of the present invention as a vortex forming means 30 is attached to the upper end of the probe 20 of the triangular configuration, but not limited to this may be provided with a plurality of configurations of various shapes.

Therefore, the first through-hole 22a into which the sample gas flows in is the center of the upper end of the probe 20 adjacent to the other end of the vortex forming means 30 separated by vortices such as soot by the vortex forming means 30. It is preferred to be located in part or on the side.

In addition, the present invention provides a cover 60 on the upper surface of the vortex forming means 30 to prevent the vortex forming means 30 of the probe 20 from interfering in the chimney or to prevent the closing of the first through hole 22a. Doing. Here, reference numerals 21a and 62 denote fastening holes formed in the probe 20 and the cover 60, respectively, and 72 denotes screws for fastening the cover 60 to the probe 20. As shown in FIG.

The core member 40 is a hollow structure having an open lower surface, and an upper end thereof is fastened to a lower end of the probe 20 embedded in the casing 10, and a third through hole of the second gas flow passage 42 is disposed at the upper outer periphery. A plurality of (42a) are communicated with each other are formed. In addition, the lower outer peripheral edge of the core member 40 is engaged with the lower inner peripheral edge of the casing 10.

Here, reference numerals 25a and 41a are fixing holes formed in the probe 20 and the core member 40, respectively, and “P” passes through the fixing holes to guide the core member 40. It is a fixing pin fixed to the lower end of the.

As described above, the breathable heating filter 50 is interposed between the inner wall of the casing 10 and the outer wall of the core member 40.

The second gas flow passage 42 includes at least one or more third through holes 42a formed on the upper outer periphery of the filter 50 and spaced apart from the inner wall, and the third through holes 42a each have a core member 40. It is in communication with the hollow part of.

In addition, the probe device of the present invention has a built-in electric or electronically controlled internal heating heater 70 in the hollow portion of the core member 40 for the analysis of the desired sample gas under wet conditions. Therefore, the core member 40, the third through-hole 42a and the breathable heating filter 50 are directly heated by the internal heating channel heater 70, and are associated with the probe 20 and the first through-hole 22a. The two through holes 22b are also heated.

In addition, the present invention, in addition to the flow path means formed of the first gas flow path 22 and the second gas flow path 42 described above, the second flow path means penetrating the cover 60 and the vortex forming means 30 (see FIG. 4). Is formed. Here, reference numeral "80" is the remaining water outlet 80 is fastened to the cover (60). It is located on the opposite side of the inflow from one side of the process and has the function of automatically draining internal residual moisture.

In addition, reference numerals "22c-1" and "23c" refer to the probe 20 embedded in the casing 10 so as to communicate the second and third through holes 22b and 22c and the remaining water outlet 80, respectively. Each of the concave portions formed on the lower outer periphery, and reference numeral "92" is a water discharge passage for communicating the cover 60 and the probe 20.

The inflow path of the sample gas collected by the sample gas collection probe device for a chimney of the present invention having such a configuration will be described below.

The gas introduced from the chimney is dust soot and the like sorted out by the vortex forming means 30, and only the sample gas flows into the first through hole 22a of the first gas flow path.

Then, it penetrates through the probe 20 and passes through the second or third through holes 22b and 22c, and then, more specifically, the gap between the inner wall of the casing 10 and the lower outer periphery of the probe 20. It descends through the recessed part 22c-1 in communication with the 2nd and 3rd through holes 22b and 22c.

Thereafter, the sample gas is purified into the sample gas that is not condensed through the air filter 50, which is in the air, flows into the fourth through hole 42a of the core member 40, and the outer periphery of the inner heating channel heater 70. The gap between the hollow inner wall of the core member 40 and the upper and lower surfaces are introduced and descended through the open internal heating flow path heater 70, and then through the open lower surface of the core member 40 to the pretreatment apparatus. Inflow.

Although the present invention described above is limited to one embodiment, the present invention is not limited thereto, and the present invention may be easily modified by those of ordinary skill in the art to which the present invention pertains. It is obvious that it belongs to the technical idea.

The present invention having the above configuration has the following advantages and effects.

First, the present invention can improve the accuracy of gas analysis by selecting and removing substances that are not necessary for gas analysis, such as dust or soot, and closing the flow path primarily by vortex forming means.

Second, the present invention can prevent the closing of the flow path at the source because the sample gas purified by the vortex forming means flows into the flow path, there is a convenience in use that does not require the frequent maintenance, etc. conventionally generated.                     

Third, the present invention is configured to be a built-in heating type so that the filter is not directly exposed to the gas in the chimney, and because there is no loss of sample gas due to condensation because it passes through the primary purified gas and the built-in heating type filter by the vortex forming means It can improve the consumption of.

Fourth, the present invention is built in the internal heating flow path heater, the flow path or filter is always maintained in an optimal state even under wet conditions, it is possible to obtain a sample without loss of sample without condensation.

Claims (9)

A casing 10 having a hollow structure with upper and lower surfaces open; A probe 20 having a first gas flow passage 22 and having a lower portion fastened to an upper portion of the casing 10; One or more vortex forming means (30) provided at an upper end of the probe (20); A hollow structure having an open lower surface, the upper end and the lower end are engaged with the lower end of the probe 20 and the lower part of the casing 10 corresponding to each other, and are disposed inside the casing 10 and include a second gas flow path ( A core member 40 on which 42 is formed; And a breathable heating filter (50) interposed between the inner wall of the casing (10) and the outer wall of the core member (40). The first gas flow passage 22 and the second gas flow passage 42 communicate with each other via the heating filter 50 interposed between the first and second gas flow passages 22 and 42. Sample gas collection probe device for the chimney. The method of claim 1, The first gas flow passage 22 is in communication with the first through hole 22a formed at the upper end of the probe 20 and the first through hole 22a, respectively, and is spaced apart from the inner wall of the casing 10. Sample gas collection probe device for the chimney characterized in that it comprises a second through-hole (22b) formed in the outer periphery. The method of claim 2, The first gas flow passage (22) is a sample gas sampling probe device for the chimney characterized in that it further comprises a third through hole (22c) opened and closed by a screw (22d) to selectively adjust the flow rate of the sample gas. The method of claim 1, The vortex forming means (30) is a sample gas collection probe device for a chimney, characterized in that one end of the triangular shape having a small cross-sectional area is located on the outer periphery of the upper end of the probe (20). The method of claim 4, wherein The first gas flow passage 22 includes a first through hole 22a formed at an upper end of the probe 20, and the first through hole 22a is adjacent to the other end of the vortex forming means 30. Sample gas collection probe device for the chimney, characterized in that formed in the center or side portion of the probe (20). The method of claim 5, wherein Sample gas collection for the chimney characterized in that it further comprises a cover (60) mounted on the upper surface of the vortex forming means 30 to protect the vortex forming means (30) and the first through hole (22a). Probe device. The method of claim 6, A water discharge passage 92 is formed in communication with the cover 60 and the probe 20. Sample gas sampling probe device for the chimney characterized in that it further comprises a residual water outlet (80) mounted on the upper surface of the cover (60) that is the upper portion of the water discharge passage (92). The method of claim 1, The second gas flow passage 42 includes at least one fourth through hole 42a formed at an upper outer periphery spaced apart from an inner wall of the heating filter 50 by heating inside the core member 40. Each of the fourth through holes 42a is in communication with a hollow portion of the core member 40. The sample gas collection probe device for the chimney. The method of claim 1, Sample gas collection probe device for a chimney characterized in that it further comprises an internal heating flow path heater (70) built in contact with the inner wall of the hollow portion of the core member (40).

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