CN211740770U - Sampling probe of calcium carbide furnace gas analyzer - Google Patents
Sampling probe of calcium carbide furnace gas analyzer Download PDFInfo
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- CN211740770U CN211740770U CN202020166032.XU CN202020166032U CN211740770U CN 211740770 U CN211740770 U CN 211740770U CN 202020166032 U CN202020166032 U CN 202020166032U CN 211740770 U CN211740770 U CN 211740770U
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- calcium carbide
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- carbide furnace
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Abstract
The utility model discloses a carbide stove gas analysis appearance sampling probe, include: the first probe rod extends into a gas pipeline of the calcium carbide furnace; a second probe rod extending into the gas pipeline of the calcium carbide furnace; the first filter is positioned outside the calcium carbide furnace gas pipeline; the second filter is positioned outside the calcium carbide furnace gas pipeline; a connecting pipe connecting the first probe rod and the second probe rod; the stop valves are arranged on the first probe rod, the second probe rod and the connecting pipe; the fixing rod is fixed in the first sample gas circulation channel and the second sample gas circulation channel; a threaded rod fixed on the fixing rod; the circular screen frame comprises an outer frame, an inner frame and a connecting rod for connecting the outer frame and the inner frame; and the aluminum net is arranged between the outer frame and the inner frame. The utility model discloses take the sampling of two probes, another probe work when the system blowback, two probes realize the undisturbed switching, eliminate the sample blind area, improve calcium carbide stove gas analyzer's stability.
Description
The technical field is as follows:
the utility model relates to a carbide stove gas analysis appearance technical field, concretely relates to carbide stove gas analysis appearance sample probe.
Background art:
earlier stage calcium carbide stove gas analysis appearance sampling probe is the single probe, and the unable normal calcium carbide stove tail gas of gathering of probe when the system blowback, the time of this system blowback is maintained at two minutes, and calcium carbide stove tail gas can't normally be gathered to the calcium carbide stove gas analysis appearance in this two minutes's time quantum to unable hydrogen and oxygen content wherein of analyzing causes serious technology accident easily, leads to the casualties even.
The utility model has the following contents:
an object of the utility model is to provide a can be at the system just, the calcium carbide stove gas analyzer sampling probe of homoenergetic collection appearance gas when the blowback.
The utility model discloses by following technical scheme implement:
a sampling probe of a calcium carbide furnace gas analyzer comprises:
the first probe rod extends into a gas pipeline of the calcium carbide furnace, a first sample gas circulation channel is arranged in the first probe rod in a penetrating mode along a rod body, a first sample gas inlet facing the sample gas flowing in the gas pipeline of the calcium carbide furnace in the forward direction is formed in one end side, extending into the gas pipeline of the calcium carbide furnace, of the first probe rod, a first sample gas outlet is formed in the other end of the first probe rod, and the first sample gas inlet and the first sample gas outlet are communicated with the first sample gas circulation channel;
the second probe rod extends into the calcium carbide furnace gas pipeline, a second sample gas circulation channel is arranged in the second probe rod in a penetrating mode along the rod body, a second sample gas inlet facing the sample gas flowing in the calcium carbide furnace gas pipeline in a reverse direction is formed in one end side, extending into the calcium carbide furnace gas pipeline, of the second probe rod, a second sample gas outlet is formed in the other end of the second probe rod, and the second sample gas inlet and the second sample gas outlet are communicated with the second sample gas circulation channel;
the first filter is positioned outside the calcium carbide furnace gas pipeline and fixedly connected with the other end of the first probe rod, and the first sample gas outlet is communicated with an inner cavity of the first filter;
the second filter is positioned outside the calcium carbide furnace gas pipeline and fixedly connected with the other end of the second probe rod, and the second sample gas outlet is communicated with an inner cavity of the second filter;
a connecting pipe connecting the first probe rod and the second probe rod, wherein the connecting pipe is positioned outside the calcium carbide furnace gas pipeline, and the inside of the connecting pipe is communicated with both the first sample gas circulation channel and the second sample gas circulation channel;
shut-off valves disposed on the first probe stem, the second probe stem, and the connecting tube;
the fixing rod is fixed in the first sample gas circulation channel and the second sample gas circulation channel;
the threaded rod is fixed on the fixing rod and is parallel to the central lines of the first sample gas circulation channel and the second sample gas circulation channel;
the circular net frame comprises an outer frame, an inner frame and a connecting rod for connecting the outer frame and the inner frame, the outer frame is matched with the side walls of the first sample air flow channel and the second sample air flow channel, the inner frame is provided with an internal thread matched with the external thread of the threaded rod, and the inner frame is in threaded connection with the threaded rod;
the aluminum net is arranged between the outer frame and the inner frame, and the aluminum net is fully distributed in the space between the outer frame and the inner frame.
In the technical scheme, when sample gas in a gas pipeline of the calcium carbide furnace flows in the forward direction, the sample gas enters a first sample gas circulation channel from a first sample gas inlet of a first probe rod, the sample gas is pre-filtered through an aluminum net in a circular net frame, the filtered sample gas enters a first filter for re-filtering, the sample gas can also enter a second filter through a connecting pipe, at the moment, a stop valve on the second probe rod needs to be closed in order to enable the sample gas to smoothly enter the second filter, and finally the sample gas to be detected by an analyzer of the calcium carbide furnace is obtained; when the sample gas in the calcium carbide furnace gas pipeline reversely flows, the sample gas enters a second sample gas circulation channel from a second sample gas inlet of a second probe rod, the sample gas is pre-filtered through an aluminum net in a circular net frame, the filtered sample gas enters a second filter for re-filtering, the sample gas can also enter a first filter through a connecting pipe, at the moment, a stop valve on the first probe rod needs to be closed in order to enable the sample gas to smoothly enter the first filter, and finally the sample gas to be detected by the calcium carbide furnace analyzer is obtained; gather the in-process of appearance gas and can stop the flow of the interior appearance gas of connecting tube through closing the stop valve, when first filter during operation, the second filter is as reserve filter, and is same, when the second filter during operation, first filter is as reserve filter, can prolong the life of whole carbide stove gas analysis appearance like this. Set up the circular screen frame of bag aluminium net on the threaded rod also the operation of being convenient for, the frame with first sample air current logical passageway and second sample air current channel's passageway lateral wall looks adaptation can make the appearance gas only filter from the aluminium net and pass through.
Further, the cross-section of the first sample gas flow channel and the second sample gas flow channel is circular.
Furthermore, the first filter and the second filter are both ceramic filters, so that the filtering effect on the sample gas is good.
Furthermore, the first filter and the second filter are provided with connecting grooves at the connecting ends with the first probe rod and the second probe rod respectively, and the other ends of the first probe rod and the second probe rod are provided with connecting convex bodies matched with the connecting grooves, so that the filter is simple to assemble and disassemble.
Furthermore, an elastic pad is filled between the connecting convex body and the connecting groove, so that the strength of the connecting convex body and the connecting groove is improved.
Furthermore, the sampling probe of the calcium carbide furnace gas analyzer further comprises a fixed shaft and two limiting rings, the fixed shaft penetrates through the connecting groove and the connecting convex body, and the two limiting rings are fixed at the two ends of the fixed shaft, so that the strength of the connecting convex body and the connecting groove is improved.
The utility model has the advantages that: use the utility model discloses calcium carbide stove gas analyzer sampling probe takes the sampling of two probes, and another probe work when the system blowback, two probes realize the undisturbed switching, eliminate the sample blind area, improve calcium carbide stove gas analyzer's stability.
Description of the drawings:
in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the connection between the aluminum mesh and the circular mesh frame.
In the figure: 10. a first probe stem; 101. a first sample gas flow channel; 102. a first sample gas inlet; 103. a first sample gas outlet; 20. a second probe shaft; 201. a second sample gas flow channel; 202. a second sample gas inlet; 203. a second sample gas outlet; 30. a first filter; 40. a second filter; 50. a connecting pipe; 60. a stop valve; 70. a threaded rod; 80. a circular screen frame; 801. an outer frame; 802. an inner frame; 803. a connecting rod; 90. an aluminum mesh; 100. connecting grooves; 110. connecting the convex body; 120. an elastic pad; 130. a fixed shaft; 140. a limiting ring; 150. and (5) fixing the rod.
The specific implementation mode is as follows:
the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-2, the utility model provides a sampling probe of calcium carbide furnace gas analyzer, include: a first probe rod 10, a second probe rod 20, a first filter 30, a second filter 40, a connecting tube 50, a shut-off valve 60, a fixed rod, a threaded rod 70, a circular mesh frame 80, and an aluminum mesh 90.
The first probe rod 10 extends into a calcium carbide furnace gas pipeline, a first sample gas flow channel 101 which is arranged in the first probe rod 10 in a penetrating mode along a rod body is arranged in the first probe rod 10, a first sample gas inlet 102 facing the sample gas flowing in the calcium carbide furnace gas pipeline in the forward direction is arranged at one end side of the first probe rod 10 extending into the calcium carbide furnace gas pipeline, a first sample gas outlet 103 is arranged at the other end of the first probe rod 10, and the first sample gas inlet 102 and the first sample gas outlet 103 are communicated with the first sample gas flow channel 101;
the second probe rod 20 extends into the calcium carbide furnace gas pipeline, a second sample gas circulation channel 201 is arranged in the second probe rod 20 in a penetrating mode along the rod body, a second sample gas inlet 202 facing the sample gas flowing in the calcium carbide furnace gas pipeline in the reverse direction is arranged at one end side, extending into the calcium carbide furnace gas pipeline, of the second probe rod 20, a second sample gas outlet 203 is arranged at the other end of the second probe rod 20, and the second sample gas inlet 202 and the second sample gas outlet 203 are communicated with the second sample gas circulation channel 201;
the first filter 30 is positioned outside the gas pipeline of the calcium carbide furnace, the first filter 30 is fixedly connected with the other end of the first probe rod 10, and the first sample gas outlet 103 is communicated with the inner cavity of the first filter 30;
the second filter 40 is positioned outside the gas pipeline of the calcium carbide furnace, the second filter 40 is fixedly connected with the other end of the second probe rod 20, and the second sample gas outlet 203 is communicated with the inner cavity of the second filter 40;
the connecting pipe 50 is connected with the first probe rod 10 and the second probe rod 20, the connecting pipe 50 is located outside a gas pipeline of the calcium carbide furnace, and the inside of the connecting pipe 50 is communicated with the first sample gas circulation channel 101 and the second sample gas circulation channel 201;
the cutoff valves 60 are provided on the first probe rod 10, the second probe rod 20, and the connecting tube 50;
the fixing bar 150 is fixed in the first sample gas flow passage 101 and the second sample gas flow passage 201.
The threaded rod 70 is fixed to the fixing rod 150, and the threaded rod 70 is connected to the first air flow passage 101 and
the center lines of the second sample gas flow channels 201 are parallel;
the circular net frame 80 comprises an outer frame 801, an inner frame 802 and a connecting rod 803 for connecting the outer frame 801 and the inner frame 802, wherein the outer frame 801 is matched with the channel side walls of the first sample air circulation channel 101 and the second sample air circulation channel 201, the inner frame 802 is provided with an internal thread matched with the external thread of the threaded rod 70, and the inner frame 802 is in threaded connection with the threaded rod 70;
the aluminum mesh 90 is disposed between the outer frame 801 and the inner frame 802, and the aluminum mesh 90 is distributed in the space between the outer frame 801 and the inner frame 802.
When the sample gas in the gas pipeline of the calcium carbide furnace flows in the forward direction, the sample gas enters the first sample gas flow channel 101 from the first sample gas inlet 102 of the first probe rod 10, then the sample gas is pre-filtered through the aluminum net 90 in the circular net frame 80, the filtered sample gas enters the first filter 30 for re-filtering, the sample gas can also enter the second filter 40 through the connecting pipe 50, at this time, the stop valve 60 on the second probe rod 20 needs to be closed in order to enable the sample gas to smoothly enter the second filter 40, and finally the sample gas to be detected by the calcium carbide furnace analyzer is obtained; when the sample gas in the gas pipeline of the calcium carbide furnace flows reversely, the sample gas enters the second sample gas circulation channel 201 from the second sample gas inlet 202 of the second probe rod 20, then the sample gas is pre-filtered through the aluminum net 90 in the circular net frame 80, the filtered sample gas enters the second filter 40 for re-filtering, the sample gas can also enter the first filter 30 through the connecting pipe 50, at this time, the stop valve 60 on the first probe rod 10 needs to be closed in order to enable the sample gas to smoothly enter the first filter 30, and finally the sample gas to be detected by the calcium carbide furnace analyzer is obtained; the flow of sample gas in the connecting pipe 50 can be prevented by closing the stop valve 60 in the process of collecting the sample gas, and when the first filter 30 worked, the second filter 40 was as reserve filter, and is same, and when the second filter 40 worked, the first filter 30 was as reserve filter, can prolong the life of whole carbide stove gas analysis appearance like this. The circular net frame 80 of the bag aluminum net 90 is arranged on the threaded rod 70, so that the operation is convenient, and the outer frame 801 is matched with the channel side walls of the first sample air circulation channel 101 and the second sample air circulation channel 201, so that sample air can only be filtered and passed through the aluminum net 90.
Preferably, the cross-section of the first sample gas flow channel 101 and the second sample gas flow channel 201 is circular.
Preferably, the first filter 30 and the second filter 40 are both ceramic filters, and have a good filtering effect on the sample gas.
Preferably, the first filter 30 and the second filter 40 have connecting grooves 100 at the connecting ends with the first probe rod 10 and the second probe rod 20, respectively, and the other ends of the first probe rod 10 and the second probe rod 20 have connecting protrusions 110 matched with the connecting grooves 100, so that the assembly and disassembly are simple.
Preferably, the elastic pad 120 for filling between the coupling protrusion 110 and the coupling groove 100 increases the strength of the coupling protrusion 110 and the coupling groove 100.
Preferably, the sampling probe of the calcium carbide furnace gas analyzer further comprises a fixing shaft 130 and two limiting rings 140, the fixing shaft 130 penetrates through the connecting groove 100 and the connecting convex body 110, and the two limiting rings 140 are fixed at two ends of the fixing shaft 130, so that the strength of the connecting convex body 110 and the connecting groove 100 is improved.
Use the utility model discloses calcium carbide stove gas analyzer sampling probe takes the sampling of two probes, and another probe work when the system blowback, two probes realize the undisturbed switching, eliminate the sample blind area, improve calcium carbide stove gas analyzer's stability. The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A sampling probe of a calcium carbide furnace gas analyzer is characterized by comprising:
the test wire comprises a first probe rod (10) extending into a gas pipeline of the calcium carbide furnace, wherein a first sample gas circulation channel (101) which is arranged along a rod body in a penetrating mode is arranged in the first probe rod (10), a first sample gas inlet (102) facing the sample gas flowing in the gas pipeline of the calcium carbide furnace in the forward direction is formed in one end side, extending into the gas pipeline of the calcium carbide furnace, of the first probe rod (10), a first sample gas outlet (103) is formed in the other end of the first probe rod (10), and the first sample gas inlet (102) and the first sample gas outlet (103) are communicated with the first sample gas circulation channel (101);
a second probe rod (20) extending into the gas pipeline of the calcium carbide furnace, wherein a second sample gas circulation channel (201) which is arranged along the rod body in a penetrating manner is arranged in the second probe rod (20), a second sample gas inlet (202) facing the sample gas flowing reversely in the gas pipeline of the calcium carbide furnace is arranged at one end side of the second probe rod (20) extending into the gas pipeline of the calcium carbide furnace, a second sample gas outlet (203) is arranged at the other end of the second probe rod (20), and the second sample gas inlet (202) and the second sample gas outlet (203) are both communicated with the second sample gas circulation channel (201);
the first filter (30) is positioned outside the calcium carbide furnace gas pipeline, the first filter (30) is fixedly connected with the other end of the first probe rod (10), and the first sample gas outlet (103) is communicated with an inner cavity of the first filter (30);
the second filter (40) is positioned outside the calcium carbide furnace gas pipeline, the second filter (40) is fixedly connected with the other end of the second probe rod (20), and the second sample gas outlet (203) is communicated with an inner cavity of the second filter (40);
a connecting pipe (50) connecting the first probe rod (10) and the second probe rod (20), wherein the connecting pipe (50) is located outside the calcium carbide furnace gas pipeline, and the inside of the connecting pipe (50) is communicated with the first sample gas circulation channel (101) and the second sample gas circulation channel (201);
shut-off valves (60) provided on the first probe rod (10), the second probe rod (20) and the connecting tube (50);
a fixing bar (150) fixed in the first sample gas flow channel (101) and the second sample gas flow channel (201);
a threaded rod (70) fixed to the fixing rod (150), the threaded rod (70) being parallel to the center lines of the first sample gas flow channel (101) and the second sample gas flow channel (201);
the circular net frame (80) comprises an outer frame (801), an inner frame (802) and a connecting rod (803) for connecting the outer frame (801) and the inner frame (802), the outer frame (801) is matched with the channel side walls of the first sample air circulation channel (101) and the second sample air circulation channel (201), the inner frame (802) is provided with an internal thread matched with the external thread of the threaded rod (70), and the inner frame (802) is in threaded connection with the threaded rod (70);
the aluminum net (90) is arranged between the outer frame (801) and the inner frame (802), and the aluminum net (90) is fully distributed in the space between the outer frame (801) and the inner frame (802).
2. The calcium carbide furnace gas analyzer sampling probe of claim 1, wherein: the cross-sections of the first sample gas flow channel (101) and the second sample gas flow channel (201) are circular.
3. The calcium carbide furnace gas analyzer sampling probe of claim 2, wherein: the first filter (30) and the second filter (40) are both ceramic filters.
4. The calcium carbide furnace gas analyzer sampling probe of claim 3, wherein: the first filter (30) and the second filter (40) are provided with connecting grooves (100) at the connecting ends of the first probe rod (10) and the second probe rod (20), and the other ends of the first probe rod (10) and the second probe rod (20) are provided with connecting convex bodies (110) matched with the connecting grooves (100).
5. The calcium carbide furnace gas analyzer sampling probe of claim 4, wherein: an elastic pad (120) is filled between the connecting convex body (110) and the connecting groove (100).
6. The calcium carbide furnace gas analyzer sampling probe of claim 5, wherein: the sampling probe of the calcium carbide furnace gas analyzer further comprises a fixed shaft (130) and two limiting rings (140), wherein the fixed shaft (130) penetrates through the connecting groove (100) and the connecting convex body (110), and the two limiting rings (140) are fixed at two ends of the fixed shaft (130).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020166032.XU CN211740770U (en) | 2020-02-04 | 2020-02-04 | Sampling probe of calcium carbide furnace gas analyzer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020166032.XU CN211740770U (en) | 2020-02-04 | 2020-02-04 | Sampling probe of calcium carbide furnace gas analyzer |
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| CN211740770U true CN211740770U (en) | 2020-10-23 |
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| CN202020166032.XU Active CN211740770U (en) | 2020-02-04 | 2020-02-04 | Sampling probe of calcium carbide furnace gas analyzer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114002026A (en) * | 2021-11-10 | 2022-02-01 | 中船重工安谱（湖北）仪器有限公司 | Externally-hung gas sampling probe for vehicle-mounted gas detection instrument |
-
2020
- 2020-02-04 CN CN202020166032.XU patent/CN211740770U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114002026A (en) * | 2021-11-10 | 2022-02-01 | 中船重工安谱（湖北）仪器有限公司 | Externally-hung gas sampling probe for vehicle-mounted gas detection instrument |
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