CN215296844U - Wide-adaptability multifunctional smoke detection sampling probe combined device - Google Patents
Wide-adaptability multifunctional smoke detection sampling probe combined device Download PDFInfo
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- CN215296844U CN215296844U CN202120915610.XU CN202120915610U CN215296844U CN 215296844 U CN215296844 U CN 215296844U CN 202120915610 U CN202120915610 U CN 202120915610U CN 215296844 U CN215296844 U CN 215296844U
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Abstract
The utility model discloses a wide-adaptability multifunctional smoke detection sampling probe combination device, which comprises a circular outer cover, a sampling tube body, a backrest tube, a thermocouple, a needle valve, a smoke analyzer, a sealing air bag and a detachable sampling tube section; the circular outer cover is fixed on the smoke sampling preformed hole, the sampling tube body is arranged in the middle of the circular outer cover, the front end of the sampling tube body extends into the flue, and the rear end of the sampling tube body extends out of the circular outer cover; the sampling tube body includes 4, and wherein the front end of 2 sampling tube bodies installs the back pipe, and 1 is used for the flue gas extraction in 2 sampling tube bodies in addition, and 1 is used for inserting the thermocouple in addition, and the end of sampling tube body links to each other with flue gas analyzer, hugs closely the inner wall of circular dustcoat, encircles the outer wall of 4 sampling tube bodies and installs inflatable sealed gasbag, and a plurality of sampling tube sections of dismantling are installed to the front end of sampling tube body. The utility model has the advantages of simple structure, wide adaptability and multiple functions.
Description
Technical Field
The utility model relates to a multi-functional smoke detection sampling probe composite set of wide adaptability belongs to smoke composition and detects technical field.
Background
In the industrial production process, the smoke components are often required to be detected in real time so as to analyze and research the combustion reaction process, the high-temperature corrosion condition, the pollutant emission characteristics and the like. In order to facilitate sampling at any time in the production process, sampling holes are reserved in proper positions in a mode of pre-embedding steel pipes.
The production sites are different, and the flue gas sampling reserved holes are different in size. The sampling probe matched with the existing smoke detection device is fixed in size and small, and is inconvenient to fix on site and convert between different insertion depths. Under most circumstances, detection personnel have to hold the detection instrument by hand to carry out manual operation in the smoke sampling reserved hole, so that the workload is large, the working efficiency is low, and the smoke measurement is inaccurate. Meanwhile, a large amount of harmful smoke leaks outwards, so that monitoring personnel can inhale the smoke by mistake and the smoke is not environment-friendly.
The Chinese patent application with publication number CN111781035A discloses a high-temperature flue gas sampling device in 16.10.2020, the Chinese patent application with publication number CN 112067373A discloses an environment-friendly flue gas detection sampling smoke gun in 11.12.2020, and the Chinese patent application with publication number CN 112114095A discloses a boiler flue gas detection device in 22.12.2020, which do not solve the problems that the aperture difference between the sampling device and a field reserved hole is large, the sampling device is not convenient to fix, the flue gas is leaked due to poor sealing during detection, and multi-point sampling is required due to different insertion depths.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the above-mentioned not enough that exists among the prior art, provide a reasonable in design, simple structure, sealed reliable multi-functional smoke detection sampling probe composite set of wide adaptability.
The utility model provides a technical scheme that above-mentioned problem adopted is: the utility model provides a multi-functional smoke detection sampling probe composite set of wide adaptability, characterized by: comprises a circular outer cover, a sampling tube body, a backrest tube, a thermocouple, a needle valve, a flue gas analyzer, a sealing air bag and a detachable sampling tube section; the circular outer cover is fixed on the smoke sampling preformed hole, the sampling tube body is installed in the middle of the circular outer cover, the front end of the sampling tube body extends into the flue, and the rear end of the sampling tube body extends out of the circular outer cover; the sampling tube body comprises 4 sampling tube bodies, wherein the front ends of 2 sampling tube bodies are provided with backrest tubes, 1 of the other 2 sampling tube bodies is used for extracting smoke, the other 1 sampling tube body is used for inserting a thermocouple, the tail end of the sampling tube body is connected with a smoke analyzer, an inflatable sealing air bag is tightly attached to the inner wall of the circular outer cover and surrounds the outer walls of the 4 sampling tube bodies, and the front end of the sampling tube body is provided with a plurality of detachable sampling tube sections.
Furthermore, the sampling tube body is stainless steel pipe, and 1 needle type valve is installed respectively to the position that wherein 3 sampling tube bodies stretch out outside the circular dustcoat, and the front end of 1 sampling tube body of not installing the needle type valve is inserted and is had the thermocouple.
Furthermore, the circular outer cover is made of stainless steel, and the outer diameter of the circular outer cover is about 200 mm; evenly seted up 4 internal screw holes on the circumference of circular dustcoat, all install M3 x 20's screw rod in the internal screw hole to fix the composite set to on the pre-buried steel pipe in the flue gas sample preformed hole.
Further, the length of the sampling tube body is 500mm, and the inner diameter of the sampling tube body is 8 mm; 2 of the smoke flow velocity measuring devices are provided with backrest tubes to measure the differential pressure value of the smoke at the top ends of the backrest tubes, so that the flow velocity of the smoke at the top ends of the backrest tubes is calculated; the thermocouple is used for measuring the smoke temperature at the insertion position of the top end of the thermocouple; the needle valve is used for opening and closing the smoke sampling when in detection.
Furthermore, an air hole with the inner diameter of 2mm is formed in the circular outer cover and used for filling a proper amount of air into the sealing air bag, so that the sealing air bag is tightly attached to the smoke sampling reserved hole, and smoke is prevented from leaking outside.
Furthermore, the detachable sampling pipe section is a stainless steel pipe with the length of 500mm, the inner diameter of 8mm and internal and external threads, and is used for measuring smoke parameters at different depths in the smoke pipeline.
Compared with the prior art, the utility model, have following advantage and effect: the sampling device can be fixed by adjusting the length of 4 screws on the periphery of the circular outer cover, and the sampling device can adapt to pre-buried steel pipes with different apertures reserved on site; by selecting and combining a plurality of detachable sampling pipe sections, sampling and measuring of smoke at different depths can be performed; by filling a proper amount of air into the sealing air bag, the sealing air bag can be tightly attached to the smoke sampling reserved hole, and smoke is prevented from leaking outside. The utility model has the advantages of simple structure, wide adaptability and multiple functions.
Drawings
Fig. 1 is a schematic structural diagram of the combined device of the present invention.
In the figure: the device comprises a circular outer cover 1, a sampling tube body 2, a backrest tube 3, a thermocouple 4, a needle valve 5, a smoke analyzer 6, a sealing air bag 7 and a detachable sampling tube section 8.
Detailed Description
The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.
Examples are given.
Referring to fig. 1, in this embodiment, a wide-adaptability multifunctional smoke detection sampling probe combination device includes a circular housing 1, a sampling tube body 2, a backrest tube 3, a thermocouple 4, a needle valve 5, a smoke analyzer 6, a sealing air bag 7 and a detachable sampling tube section 8; the circular outer cover 1 is fixed on the smoke sampling preformed hole, the sampling tube body 2 is arranged in the middle of the circular outer cover 1, the front end of the sampling tube body 2 extends into the flue, and the rear end of the sampling tube body 2 extends out of the circular outer cover 1; the sampling tube body 2 comprises 4 sampling tube bodies, wherein a backrest tube 3 is installed at the front end of each of the 2 sampling tube bodies 2, 1 sampling tube body 2 is used for extracting smoke, another 1 sampling tube body is used for inserting a thermocouple 4, the tail end of each sampling tube body 2 is connected with a smoke analyzer 6, an inflatable sealing air bag 7 is installed on the inner wall of the circular outer cover 1 and the outer wall of the surrounding 4 sampling tube bodies 2, and a plurality of detachable sampling tube sections 8 are installed at the front end of each sampling tube body 2.
Specifically, the sampling tube body 2 is a stainless steel tube, wherein 1 needle valve 5 is respectively installed at the part of 3 sampling tube bodies 2 extending out of the circular outer cover 1, and a thermocouple 4 is inserted into the front end of 1 sampling tube body 2 without installing the needle valve 5.
Specifically, the circular outer cover 1 is made of stainless steel, and the outer diameter of the circular outer cover is about 200 mm; evenly seted up 4 internal screw holes on the circumference of circular dustcoat 1, all installed M3 x 20's screw rod in the internal screw hole to fix the composite set to on the pre-buried steel pipe in the flue gas sample preformed hole.
Specifically, the length of the sampling tube body 2 is 500mm, and the inner diameter is 8 mm; 2 of the back tubes are provided with a back tube 3 to measure the differential pressure value of the smoke at the top end of the back tube, thereby calculating the flow velocity of the smoke at the top end; the thermocouple 4 is used for measuring the flue gas temperature at the insertion position of the top end of the thermocouple; the needle valve 5 is used for opening and closing of the smoke sampling at the time of detection.
Specifically, an air hole with the inner diameter of 2mm is formed in the circular outer cover 1 and used for filling a proper amount of air into the sealing air bag 7 so as to ensure that the sealing air bag 7 is tightly attached to the smoke sampling reserved hole and prevent smoke from leaking outside.
Specifically, the detachable sampling pipe section 8 is a stainless steel pipe with the length of 500mm, the inner diameter of 8mm and internal and external threads, and is used for measuring smoke parameters at different depths in a smoke pipeline.
Those not described in detail in this specification are well within the skill of the art.
In addition, it should be noted that the above contents described in the present specification are only illustrations of the structure of the present invention. All equivalent changes made according to the structure, characteristics and principle of the utility model are included in the protection scope of the utility model. Various modifications, additions and substitutions by those skilled in the art may be made to the described embodiments without departing from the scope of the invention as defined in the accompanying claims.
Claims (6)
1. A wide-adaptability multifunctional smoke detection sampling probe combination device is characterized by comprising a circular outer cover (1), a sampling tube body (2), a backrest tube (3), a thermocouple (4), a needle valve (5), a smoke analyzer (6), a sealing air bag (7) and a detachable sampling tube section (8); the circular outer cover (1) is fixed on the smoke sampling preformed hole, the sampling tube body (2) is installed in the middle of the circular outer cover (1), the front end of the sampling tube body (2) extends into the flue, and the rear end of the sampling tube body (2) extends out of the circular outer cover (1); the sampling tube body (2) comprises 4 sampling tube bodies, wherein a backrest tube (3) is installed at the front end of each of the 2 sampling tube bodies (2), 1 sampling tube body (2) is used for extracting smoke, the other 1 sampling tube body is used for inserting a thermocouple (4), the tail end of each sampling tube body (2) is connected with a smoke analyzer (6), an inflatable sealing air bag (7) is tightly attached to the inner wall of the circular outer cover (1) and surrounds the outer walls of the 4 sampling tube bodies (2), and a plurality of detachable sampling tube sections (8) are installed at the front end of each sampling tube body (2).
2. The wide-adaptability multifunctional smoke detection and sampling probe combination device as claimed in claim 1, wherein the sampling tube bodies (2) are stainless steel tubes, wherein 1 needle valve (5) is respectively installed at the part of 3 sampling tube bodies (2) extending out of the circular outer cover (1), and thermocouples (4) are inserted into the front ends of 1 sampling tube body (2) without the needle valve (5).
3. The wide-adaptability multifunctional smoke detection and sampling probe combination device as claimed in claim 1, wherein the circular housing (1) is made of stainless steel, and the outer diameter of the circular housing is 200 mm; the circumference of the circular outer cover (1) is uniformly provided with 4 internal thread holes, and M3 & 20 screw rods are arranged in the internal thread holes.
4. The wide-adaptability multifunctional smoke detection and sampling probe combination device as claimed in claim 1, wherein the length of the sampling tube body (2) is 500mm, and the inner diameter is 8 mm.
5. The wide-adaptability multifunctional smoke detection and sampling probe combination device as claimed in claim 1, wherein the circular outer cover (1) is provided with an air hole with an inner diameter of 2mm for filling a proper amount of air into the sealed air bag (7).
6. The wide-adaptability multifunctional smoke detection and sampling probe combination device as claimed in claim 1, wherein the detachable sampling pipe section (8) is a stainless steel pipe with length of 500mm, inner diameter of 8mm, internal and external threads, and is used for measuring smoke parameters at different depths in the smoke pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120915610.XU CN215296844U (en) | 2021-04-29 | 2021-04-29 | Wide-adaptability multifunctional smoke detection sampling probe combined device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120915610.XU CN215296844U (en) | 2021-04-29 | 2021-04-29 | Wide-adaptability multifunctional smoke detection sampling probe combined device |
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| Publication Number | Publication Date |
|---|---|
| CN215296844U true CN215296844U (en) | 2021-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120915610.XU Active CN215296844U (en) | 2021-04-29 | 2021-04-29 | Wide-adaptability multifunctional smoke detection sampling probe combined device |
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| CN (1) | CN215296844U (en) |
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2021
- 2021-04-29 CN CN202120915610.XU patent/CN215296844U/en active Active
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