CN215448651U - Flue gas preprocessor - Google Patents
Flue gas preprocessor Download PDFInfo
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- CN215448651U CN215448651U CN202121481770.4U CN202121481770U CN215448651U CN 215448651 U CN215448651 U CN 215448651U CN 202121481770 U CN202121481770 U CN 202121481770U CN 215448651 U CN215448651 U CN 215448651U
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- sampling tube
- flue gas
- connecting part
- flaring
- wall
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Abstract
The utility model discloses a flue gas preprocessor, which comprises a shell, a first sampling tube, a filtering piece and a plurality of second sampling tubes, wherein the shell is provided with an accommodating cavity; one end of the first sampling tube is fixedly connected to the shell and communicated with the accommodating cavity, the other end of the first sampling tube extends to the outer side of the shell, and a first connecting part is arranged at the other end of the first sampling tube; one end of the second sampling tube is provided with a second connecting part matched with the first connecting part, and the other end of the second sampling tube is provided with a third connecting part with the same structure as the first connecting part; and the filtering piece is used for filtering impurities in the gas and is provided with a fourth connecting part matched with the third connecting part. The utility model can adjust the whole length of the sampling tube, so that the sampling tube can extend to the point to be tested to comprehensively collect the gas near the point to be tested, thereby improving the accuracy of the test result.
Description
Technical Field
The utility model relates to the technical field of detection equipment, in particular to a smoke preprocessor.
Background
The flue gas preprocessor is mainly used for sampling the gas discharged by flues, exhaust pipes and the like of industrial and mining enterprises so as to further analyze the discharged gas. Flue gas preprocessor is generally handheld, during the use, need stretch into flue or blast pipe with sampling tube part in, with gathering exhaust gas, but the sampling tube in the flue gas preprocessor of current sets up to fixed usually, the sampling tube lug connection is on flue gas preprocessor's host computer, the length of sampling tube is fixed, when great to the length of flue or blast pipe, can only take a sample to the part of flue or blast pipe, lead to the testing result inaccurate easily, if increase the self length of sampling tube, then be not convenient for carry and store.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides a flue gas preprocessor capable of adjusting the length of a sampling tube.
According to the embodiment of the utility model, the smoke preprocessor comprises: a housing having an accommodating chamber; one end of the first sampling tube is fixedly connected to the shell and communicated with the containing cavity, the other end of the first sampling tube extends to the outer side of the shell, and a first connecting part is arranged at the other end of the first sampling tube; one end of each second sampling tube is provided with a second connecting part matched with the first connecting part, and the other end of each second sampling tube is provided with a third connecting part with the same structure as the first connecting part; and the filtering piece is used for filtering impurities in the gas, and is provided with a fourth connecting part matched with the third connecting part.
The technical scheme at least has the following beneficial effects: the second sampling tubes are connected between the first sampling tube and the filtering piece, the first sampling tube and the filtering piece are fixed in length, and the second sampling tubes in different numbers can be connected according to the distance from an operator to a point to be measured, so that the overall length of the sampling tubes can be adjusted, the sampling tubes can extend to the point to be measured, gas near the point to be measured can be comprehensively collected, the accuracy of a detection result is improved, and meanwhile, the second sampling tubes can be detached after the sampling tubes are used, so that the sampling tubes are convenient to store and carry.
According to some embodiments of the present invention, one end of the second sampling tube is provided with a flare, the second connecting portion is disposed on an inner wall of the flare, and the flare can be sleeved on the other end of the first sampling tube or the other end of the second sampling tube.
According to some embodiments of the present invention, the first connecting portion is a clamping block, the clamping block is located on the outer wall of the first sampling tube, the second connecting portion is a convex ring, the convex ring is arranged on the inner wall of the flared opening, the inner diameter of the convex ring matches with the outer diameter of the first sampling tube, and the convex ring is provided with a notch matching with the clamping block.
According to some embodiments of the utility model, the inner side of the flare is provided with a positioning cavity, the flare is provided with an elastic member located in the positioning cavity, and the elastic member abuts against the bottom wall of the flare.
According to some embodiments of the present invention, the opposite surfaces of the fixture block and the convex ring are respectively provided with a first detent and a second detent cooperating with the first detent.
According to some embodiments of the utility model, when the protruding ring is provided with the second detent, the second detent is located at an end of the protruding ring facing away from the notch.
According to some embodiments of the utility model, one of the first detent and the second detent is provided as a male part, and the other is provided as a female part to be fitted with the male part.
According to some embodiments of the utility model, the inner wall of the flare is provided with an annular groove fitted with a sealing ring.
According to some embodiments of the utility model, the first connection portion is provided as an external thread on an outer wall of the first sampling tube, the second connection portion is provided as an internal thread that mates with the external thread, and the internal thread is on an inner wall of the flare.
According to some embodiments of the utility model, the first sampling tube is surrounded by an electromagnetic heating coil for heating the first sampling tube.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic structural diagram of a flue gas preprocessor in an embodiment of the present invention;
FIG. 2 is a sectional view of a connection structure of a first sampling tube and a second sampling tube in an embodiment of the present invention;
FIG. 3 is an enlarged view of A in FIG. 2;
FIG. 4 is a schematic structural view of a flare in an embodiment of the present invention;
FIG. 5 is a partial cross-sectional view of a first coupon in an embodiment of the present invention;
FIG. 6 is a cross-sectional view of a second coupon in accordance with an embodiment of the present invention;
figure 7 is a cross-sectional view of a filter element according to an embodiment of the present invention.
Reference numerals:
a housing 100; a housing chamber 110; a handle 120;
a first sampling tube 200; a latch 210; a first clip 211; an electromagnetic heating coil 220;
a second sampling tube 300; a flare 310; a positioning cavity 320; an annular groove 330; a seal ring 340; a convex ring 350; notches 351; a second detent 352; a third connecting portion 360; an elastic member 370;
a filter member 400; and a fourth connection portion 410.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1 to 3, an embodiment of the present invention provides a flue gas pre-processor, including a housing 100, a first sampling tube 200, a filter 400 and a plurality of second sampling tubes 300, wherein the housing 100 has a receiving cavity 110 for temporarily storing sampled gas, generally speaking, the housing 100 is provided with a handle 120 for an operator to hold the flue gas pre-processor, one end of the first sampling tube 200 is fixedly connected to one side of the housing 100 and communicated with the receiving cavity 110, the other end extends to the outside of the housing 100, and the other end of the first sampling tube 200 is provided with a first connecting part; the flue gas preprocessor is provided with a plurality of second sampling tubes 300, the diameter of the second sampling tubes 300 is equal to that of the first sampling tubes 200, one end of each second sampling tube 300 is provided with a second connecting part matched with the first connecting part, the other end of each second sampling tube 300 is provided with a third connecting part 360, and the structure of each third connecting part 360 is the same as that of the first connecting part, namely, the second connecting part of each second sampling tube 300 can be matched and connected with the first connecting part of the first sampling tube 200 or the third connecting part 360 of the other second sampling tube 300; filter 400 and be used for filtering the impurity in the gas, for example, filter 400 is provided with the filter screen, filter pulp etc., but the particulate matter in the filterable gas, avoid the particulate matter to gather in the sampling tube and block up the sampling tube, filter 400 is provided with the fourth connecting portion 410 with the cooperation of third connecting portion 360, filter 400 promptly both accessible fourth connecting portion 410 and first connecting portion cooperation connection in first sampling tube 200, also can connect in second sampling tube 300 through fourth connecting portion 410 and the cooperation of third connecting portion 360.
When the sampling tube is used, the filter element 400 is directly connected to the end of the first sampling tube 200 by the matching of the fourth connecting part 410 and the first connecting part, and the whole length of the sampling tube is shortest; or, the second sampling tube 300 is connected to the first sampling tube 200 by the cooperation of the second connection portion and the first connection portion, and the filter 400 is connected to the second sampling tube 300 by the cooperation of the fourth connection portion 410 and the third connection portion 360, so that the overall length of the sampling tube can be increased; or, after the second sampling tube 300 is connected to the first sampling tube 200, another second sampling tube 300 is connected to the previous second sampling tube 300, that is, at least two second sampling tubes 300 are sequentially connected, and the filter 400 is connected to the endmost second sampling tube 300, so that the overall length of the sampling tube can be further increased, and sampling tubes with different overall length specifications can be obtained according to different numbers of the second sampling tubes 300; therefore, the whole length of the sampling tube can be adjusted according to requirements, so that the sampling tube can extend to the point to be tested to comprehensively collect gas near the point to be tested, the accuracy of a detection result is improved, and meanwhile, the second sampling tube 300 can be detached after the use is finished, so that the sampling tube is convenient to store and carry.
Referring to fig. 2, it can be understood that a flare 310 is disposed at one end of the second sampling tube 300, the second connecting portion is disposed on an inner wall of the flare 310, and the flare 310 can be sleeved on the other end of the first sampling tube 200 or the other end of the other second sampling tube 300, therefore, the flare 310 can be sleeved on the end of the first sampling tube 200 or the end of the other second sampling tube 300, and is fixedly connected, the structure is simple, and the butt joint is convenient.
Referring to fig. 2 to 4, it can be understood that the first connecting portion is configured as a clamping block 210, the clamping block 210 is located on the outer wall of the first sampling tube 200, the second connecting portion is configured as a convex ring 350, the convex ring 350 is configured on the inner wall of the flared opening 310, the inner diameter of the convex ring 350 matches with the outer diameter of the first sampling tube 200, the convex ring 350 is configured with a notch 351 matching with the clamping block 210, the inner diameter of the convex ring 350 also matches with the outer diameter of the second sampling tube 300, when the second sampling tube 300 is butted with the first sampling tube 200, the flared opening 310 is firstly sleeved on the end of the first sampling tube 200, and the clamping block 210 faces the notch 351 of the convex ring 350, the clamping block 210 is sleeved in the notch 351, then the second sampling tube 300 is rotated, so that the clamping block 210 and the notch 351 are arranged in a staggered manner in the axial direction of the second sampling tube 300, that the clamping block 210 is clamped on the inner side of the convex ring 350, that the second sampling tube 300 is butted with the first sampling tube 200, the connecting structure is simple and convenient to operate.
Referring to fig. 2, it can be understood that a positioning cavity 320 is disposed on an inner side of the flared opening 310, the flared opening 310 is provided with an elastic member 370 located in the positioning cavity 320, one end of the elastic member 370 abuts against a bottom wall of the flared opening 310, when the second sampling tube 300 is abutted against the first sampling tube 200, the other end of the elastic member 370 abuts against an end of the first sampling tube 200, when the two second sampling tubes 300 are abutted against each other, the other end of the elastic member 370 on one of the second sampling tubes 300 abuts against an end of the other of the second sampling tubes 300, the elastic member 370 may be a spring, when the fixture block 210 is engaged with an inner side of the convex ring 350, the fixture block 210 is pressed against an inner side of the convex ring 350 by a tensile force of the elastic member 370, so as to avoid loosening, and thus the second sampling tube 300 is stably and reliably abutted against the first sampling tube 200 or the two second sampling tubes 300 are stably and reliably abutted against each other.
Referring to fig. 3, in conjunction with fig. 5 and 6, it can be understood that the opposing surfaces of the latch 210 and the collar 350 are respectively provided with a first detent 211 and a second detent 352 engaged with the first detent 211, one of the first detent 211 and the second detent 352 is provided as a convex portion, and the other is provided as a concave portion engaged with the convex portion, specifically, the first detent 211 is provided as a concave portion, the concave portion is provided on the latch 210, the second detent 352 is provided as a convex portion, the convex portion is provided on the collar 350, and when the latch 210 is engaged with the inner side of the collar 350, the convex portion just sinks into the concave portion, and the convex part is not easy to be separated from the concave part by the tension action of the elastic part 370, the rotation of the second sampling tube 300 relative to the first sampling tube 200 is limited, namely, the circumferential positioning of the second sampling tube 300 is realized, so that the second sampling tube 300 and the first sampling tube 200 are more firmly and reliably butted, and of course, the positions of the concave part and the convex part in the fixture block 210 and the convex ring 350 can be interchanged.
It can be understood that, when the second detent 352 is disposed on the collar 350, the second detent 352 is located at an end of the collar 350 away from the notch 351, that is, the recess is located at a position of the collar 350 farthest from the notch 351, so that the latch 210 is located at a position farthest from the notch 351, thereby preventing the latch 210 from being easily separated from the notch 351, and further increasing the connection reliability between the second sampling tube 300 and the first sampling tube 200 or the connection reliability of the two second sampling tubes 300 in butt joint.
Referring to fig. 2 and 3, it can be understood that an annular groove 330 is provided on an inner wall of the flare 310, a sealing ring 340 is installed on the annular groove 330, when the second sampling tube 300 is butted with the first sampling tube 200, the sealing ring 340 abuts against an outer wall of the first sampling tube 200, when two second sampling tubes 300 are butted, the sealing ring 340 on one second sampling tube 300 abuts against an outer wall of the other second sampling tube 300, and the sealing ring 340 may be a rubber ring, so that sealing is achieved between the second sampling tube 300 and the first sampling tube 200, or between the two second sampling tubes 300, and gas leakage is avoided.
In other embodiments, it can be understood that the first connection portion is configured as an external thread (not shown in the figure) located on the outer wall of the first sampling tube 200, the second connection portion is configured as an internal thread (not shown in the figure) matched with the external thread, the internal thread is located on the inner wall of the flared opening 310, and the second sampling tube 300 is butted with the first sampling tube 200 in a threaded connection manner, so that the connection structure is simple, the connection is stable and reliable, and the operation is convenient.
Referring to fig. 5, it can be understood that the first sampling tube 200 is surrounded by the electromagnetic heating ring 220, the electromagnetic heating ring 220 is used for heating the first sampling tube 200, and when the external power supply of the flue gas preprocessor makes, the electromagnetic heating ring 220 can generate heat, so as to heat the inner cavity of the first sampling tube 200, and when gas passes through the first sampling tube 200, the water vapor in the gas can be prevented from being liquefied, thereby improving the accuracy of subsequent gas detection.
Referring to fig. 1, with reference to fig. 6 and 7, it should be noted that the structure of the third connecting portion 360 is the same as that of the first connecting portion, and the structure of the fourth connecting portion 410 is the same as that of the second connecting portion, that is, the connecting structure of the filter 400 and the first sampling tube 200, the connecting structure of the filter 400 and the second sampling tube 300, the connecting structure of one of the second sampling tubes 300 and the other of the second sampling tubes 300 are the same as that of the second sampling tube 300 and the first sampling tube 200, and the description thereof is omitted.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (10)
1. A flue gas preprocessor, comprising:
a housing having an accommodating chamber;
one end of the first sampling tube is fixedly connected to the shell and communicated with the containing cavity, the other end of the first sampling tube extends to the outer side of the shell, and a first connecting part is arranged at the other end of the first sampling tube;
one end of each second sampling tube is provided with a second connecting part matched with the first connecting part, and the other end of each second sampling tube is provided with a third connecting part with the same structure as the first connecting part;
and the filtering piece is used for filtering impurities in the gas, and is provided with a fourth connecting part matched with the third connecting part.
2. A flue gas preprocessor according to claim 1 wherein: the one end of second sampling tube is provided with the flaring, second connecting portion set up in the inner wall of flaring, the flaring can be located the other end of first sampling tube or another the other end of second sampling tube.
3. A flue gas preprocessor according to claim 2 wherein: the first connecting portion is set to be a clamping block, the clamping block is located on the outer wall of the first sampling tube, the second connecting portion is set to be a convex ring, the convex ring is arranged on the inner wall of the flaring, the inner diameter of the convex ring is matched with the outer diameter of the first sampling tube, and a notch matched with the clamping block is formed in the convex ring.
4. A flue gas preprocessor according to claim 3 wherein: the inner side of the flaring is provided with a positioning cavity, the flaring is provided with an elastic piece located in the positioning cavity, and the elastic piece abuts against the bottom wall of the flaring.
5. A flue gas preprocessor according to claim 4 wherein: the opposite surfaces of the clamping block and the convex ring are respectively provided with a first clamping position and a second clamping position matched with the first clamping position.
6. A flue gas preprocessor according to claim 5 wherein: when the bulge loop is provided with the second screens, the second screens the bulge loop is located and deviates from the one end of breach.
7. A flue gas preprocessor according to claim 6 wherein: one of the first detent and the second detent is provided as a convex portion, and the other is provided as a concave portion that fits the convex portion.
8. A flue gas preprocessor according to claim 2 wherein: the inner wall of flaring is provided with the ring channel, the sealing ring is installed to the ring channel.
9. A flue gas preprocessor according to claim 2 wherein: first connecting portion set up to be located the external screw thread of the outer wall of first sampling tube, second connecting portion set up to with external screw thread complex internal thread, the internal thread is located the inner wall of flaring.
10. A flue gas preprocessor according to claim 1 wherein: first sampling tube has surrounded electromagnetic heating circle, electromagnetic heating circle is used for right first sampling tube heating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121481770.4U CN215448651U (en) | 2021-06-30 | 2021-06-30 | Flue gas preprocessor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121481770.4U CN215448651U (en) | 2021-06-30 | 2021-06-30 | Flue gas preprocessor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215448651U true CN215448651U (en) | 2022-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121481770.4U Active CN215448651U (en) | 2021-06-30 | 2021-06-30 | Flue gas preprocessor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215448651U (en) |
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2021
- 2021-06-30 CN CN202121481770.4U patent/CN215448651U/en active Active
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Denomination of utility model: A flue gas preprocessing unit Effective date of registration: 20230306 Granted publication date: 20220107 Pledgee: Bank of China Limited Jiangmen Pengjiang Sub-branch Pledgor: Dongli testing (Guangdong) Co.,Ltd. Registration number: Y2023980034128 |