CN114577549A - Flue gas trapping device and smoking machine - Google Patents

Abstract

The invention discloses a flue gas trapping device which comprises a mounting rack, a first mounting rack and a second mounting rack, wherein the first mounting rack and the second mounting rack are arranged on the mounting rack; the trapping part is arranged on the first mounting frame and is used for trapping the flue gas; gas transmission portion, locate on the second mounting bracket for with flue gas input and output entrapment portion, in the extending direction of entrapment portion, gas transmission portion is located the both ends relative position of entrapment portion, first mounting bracket and second mounting bracket can be in the extending direction relative motion, make entrapment portion and gas transmission portion sealing connection or separation. Adopt above-mentioned technical scheme, through setting up entrapment portion and gas transmission portion respectively on first mounting bracket and the second mounting bracket that can relative motion, can make entrapment portion and gas transmission portion realize quick sealing connection or separation, the change of the entrapment portion of being convenient for can increase substantially flue gas entrapment and detection efficiency, practices thrift manpower and sample material cost. The invention also discloses a smoking machine, which comprises a smoking machine main body and the smoke trapping device.

Description

Flue gas trapping device and smoking machine

Technical Field

The invention relates to the technical field of flue gas analysis, in particular to a flue gas trapping device and a smoking machine.

Background

Because the gas phase of the smoke contains a plurality of chemical components which are harmful to human bodies, the smoke analysis is an important measurement process for safety evaluation and quality evaluation of products such as cigarettes, electronic cigarettes, electric heating cigarettes and the like. First, the smoke analysis must comply with smoking machines and smoking parameters specified by analytical test method standards (e.g., ISO 3308 or GB/T19609, etc.), such as: volume per puff, duration of puff, and flow rate profile of puff, etc., and the puff test procedure must remain continuous and not be interrupted by smoke capture. Secondly, chemical components in the smoke, particularly certain aroma components or harmful components, are often active in chemical properties, if the smoke trapping process is too long or off-line trapping is performed after the smoking is completed, the trapped smoke quality is changed due to uncontrollable changes of the active chemical components, which are difficult to avoid, so that the on-line trapping needs to be performed synchronously during the smoking of the cigarettes. Thirdly, the concentration of the components to be detected in the gas phase of the flue gas is mostly very low, and the properties of various components are different, so that the components need to be collected and enriched respectively, in order to enrich the quantity enough for carrying out subsequent detection, each experiment needs to be carried out respectively and repeatedly in the past, and the experiment quality and efficiency are lower.

Therefore, how to provide a device capable of efficiently and continuously collecting smoke becomes an urgent problem to be solved in the field.

Disclosure of Invention

The invention aims to solve the problems that the efficiency of the existing flue gas trapping process is low and the flue gas trapping can not be continuously and reliably carried out. The invention provides a flue gas trapping device which can improve the efficiency of trapping flue gas, can rapidly switch trapping parts and realize efficient and continuous flue gas trapping.

In order to solve the above technical problem, the present invention provides a flue gas trapping device, comprising; a mounting bracket comprising a first mounting bracket and a second mounting bracket; the trapping part is arranged on the first mounting frame and is used for trapping the flue gas; gas transmission portion, locate on the second mounting bracket for with flue gas input and output entrapment portion, wherein, in the extending direction of entrapment portion, gas transmission portion is located the both ends relative position of entrapment portion, first mounting bracket and second mounting bracket can be in extending direction relative motion, make entrapment portion and gas transmission portion sealing connection or separation.

Adopt above-mentioned technical scheme, through set up trapping portion and gas transmission portion respectively on first mounting bracket and the second mounting bracket that can relative motion, can make trapping portion and gas transmission portion realize quick sealing connection or separation, the change of the trapping portion of being convenient for can increase substantially flue gas trapping and detection efficiency, practices thrift manpower and sample material cost.

Further, the trapping part is arranged on the first mounting frame along the extending direction of the first mounting frame and distributed at intervals along the circumferential direction of the first mounting frame, the first mounting frame can rotate along the rotation axis, and the trapping part corresponding to the gas transmission part can be automatically replaced through rotation.

Further, the first mounting frame comprises a mounting turntable, and the trapping parts are arranged in parallel with the axial direction of the mounting turntable and are distributed at intervals along the circumferential direction of the mounting turntable.

Further, in the extension direction, the two mounting disks are connected by a sleeve.

Furthermore, the installation turntable is provided with clamping grooves which are distributed at intervals along the circumferential direction of the installation turntable, and at least part of the trapping part is clamped into the clamping grooves.

Furthermore, a locking block is arranged in the clamping groove and used for locking the trapping part on the installation turntable.

Further, the flue gas trapping device also comprises a first driving part, and the first driving part is connected with the installation turntable and used for driving the installation turntable to rotate.

Further, the second mounting bracket includes the flexible dish of annular, and the flexible dish of annular sets up with the both ends tip of entrapment portion relatively, and gas transmission portion locates on the flexible dish of annular, can communicate or break off with entrapment portion under the drive of the flexible dish of annular.

Further, be equipped with the centre gripping sealing on the flexible dish of annular, along the circumference of the flexible dish of annular, the centre gripping sealing is interval distribution on the flexible dish of annular, and corresponds with the entrapment portion, can seal the entrapment portion, and at least one centre gripping sealing communicates with gas transmission portion for the flue gas can pass through the centre gripping sealing from a gas transmission portion and get into the entrapment portion, and after the entrapment portion, gets into another gas transmission portion from the centre gripping sealing of the other end.

Further, the centre gripping sealing includes pedestal and ring cap, and the pedestal is equipped with the air vent for intercommunication gas transmission portion and entrapment portion, and the ring cap is located the one end of pedestal, the other end of pedestal are equipped with cartridge portion for with the pedestal cartridge on the flexible dish of annular, be equipped with the sealing washer in the cartridge portion, be equipped with the sealing ring in the ring cap, be used for centre gripping and sealed entrapment portion when the tip of entrapment portion inserts the ring cap.

Furthermore, at least two sealing rings are arranged in the ring cap, wherein the sealing ring abutted against the end part of the seat body and the adjacent sealing ring are arranged back to back.

Further, the flue gas trapping device further comprises a second driving part, and the second driving part is connected with the annular telescopic disc and used for driving the annular telescopic disc to be close to or far away from the trapping part.

Further, the trap part is a heat desorption pipe.

Further, the mounting bracket still includes mounting plate and backup pad, the vertical both ends of locating mounting plate of backup pad, wherein, the flexible dish of annular of second mounting bracket is located on the second drive division, the second drive division is located on the mounting plate, be used for driving the flexible dish of annular and be close to or keep away from entrapment portion, make entrapment portion and gas transmission portion sealing connection or separation, in the extending direction, first mounting bracket is located between the flexible dish of annular, first mounting bracket is located on first drive division, first drive division is located in the backup pad, a backup pad is passed in proper order in the pivot of first drive division, an annular flexible dish, first mounting bracket, be connected with another backup pad behind another annular flexible dish, be used for the drive installation carousel to rotate.

The invention also provides a smoking machine which comprises a smoking machine main body and the smoke trapping device in any one of the embodiments, wherein a pipeline of the smoking machine main body is connected with the gas transmission part of the smoke trapping device and is used for enabling smoke to form an airflow loop through the trapping part, and a control system of the smoking machine main body is electrically connected with the smoke trapping device so that the smoke trapping device is linked with the smoking machine main body.

Drawings

FIG. 1 is a perspective view of a flue gas collection device according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of a flue gas capture device according to an embodiment of the present invention when open;

FIG. 3 is a cross-sectional view of a flue gas capture device according to an embodiment of the present invention when closed;

FIG. 4 is a perspective view of a portion of a flue gas collection device according to an embodiment of the present invention;

FIG. 5 is a partial cross-sectional view of a flue gas capture device in accordance with an embodiment of the present invention;

FIG. 6 is a cross-sectional view of a clamping seal of a flue gas capture device in accordance with an embodiment of the present invention;

figure 7 is a schematic diagram of a smoking machine according to an embodiment of the invention.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure. While the invention will be described in conjunction with the preferred embodiments, it is not intended that features of the invention be limited to these embodiments. On the contrary, the invention has been described in connection with the embodiments for the purpose of covering alternatives or modifications as may be extended based on the claims of the invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be practiced without these particulars. Moreover, some of the specific details have been left out of the description in order to avoid obscuring or obscuring the focus of the present invention. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

It should be noted that in this specification, like reference numerals and letters refer to like items in the following drawings, and thus, once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings.

In the description of the present embodiment, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed when used, and are only used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements that are referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present embodiment, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed," "connected," and the like are to be construed broadly and may include, for example, a fixed connection, a detachable connection, or an integral connection; either mechanically or electrically. The specific meanings of the above terms in the present embodiment can be understood in specific cases by those of ordinary skill in the art.

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Referring to fig. 1-6, an embodiment of the present invention provides a flue gas capture device 1 comprising: a mounting frame 10 including a first mounting frame 11 and a second mounting frame 12; the trapping part 13 is arranged on the first mounting frame 11 and is used for trapping flue gas; and the gas transmission part 14 is arranged on the second mounting frame 12 and is used for inputting and outputting the flue gas into and out of the trapping part 13, wherein in the extending direction (shown as the direction X in the figures 1-4) of the trapping part 13, the gas transmission part 14 is positioned at the opposite positions of the two ends of the trapping part 13, and the first mounting frame 11 and the second mounting frame 12 can move relatively in the extending direction, so that the trapping part 13 and the gas transmission part 14 are connected or separated in a sealing manner.

That is to say, flue gas trapping device 1 mainly comprises mounting bracket 10, trapping portion 13 and gas transmission portion 14, and wherein, mounting bracket 10 includes first mounting bracket 11 and second mounting bracket 12, and both can be at the extending direction relative motion of trapping portion 13, and then make trapping portion 13 that sets up on first mounting bracket 11 and gas transmission portion 14 that sets up on second mounting bracket 12 also can take place relative motion, realize the sealing connection or the separation of trapping portion 13 and gas transmission portion 14.

Specifically, referring to fig. 1, when the collection portion 13 and the gas transmission portion 14 are connected in a sealed manner, the flue gas can enter the collection portion 13 from one gas transmission portion 14, and after the gas-phase components in the flue gas are collected and enriched by the collection portion 13, the flue gas leaves the flue gas collection device 1 from the other gas transmission portion 14 (as shown by the dashed arrow in fig. 1). After completion the entrapment and the enrichment of flue gas, perhaps when needing to carry out other operations, can be under the drive of first mounting bracket 11 and second mounting bracket 12 quick separation between entrapment portion 13 and the gas transmission portion 14, after the change of realizing entrapment portion 13, first mounting bracket 11 and second mounting bracket 12 can also drive entrapment portion 13 and gas transmission portion 14 and carry out sealing connection once more fast to be convenient for carry out the entrapment and the enrichment to the gaseous phase composition of follow-up flue gas.

Adopt above-mentioned technical scheme, through setting up entrapment portion and gas transmission portion respectively on first mounting bracket and the second mounting bracket that can relative motion, can make entrapment portion and gas transmission portion realize quick sealing connection or separation, the change of the entrapment portion of being convenient for can increase substantially flue gas entrapment and detection efficiency, practices thrift manpower and sample material cost.

It should be noted that the present invention does not limit the form of the relative movement between the first mounting frame and the second mounting frame, as long as the sealed connection or separation of the trap part and the gas transmission part can be achieved.

Specifically, referring to fig. 1 to 6, in an embodiment, the trapping parts 13 are arranged on the first mounting frame 11 along the extending direction of the first mounting frame 11 (as shown in the direction X in fig. 1 to 4) and are distributed at intervals along the circumferential direction of the first mounting frame 11 (as shown in the direction R in fig. 1 and 4 to 5), and the first mounting frame 11 can rotate along the rotation axis (as shown in a in fig. 1 to 3), so that the trapping parts 13 corresponding to the gas transmission parts 14 can be automatically replaced by rotation.

That is, the plurality of trap parts 13 are arranged in parallel on the first mount 11 in the extending direction of the first mount 11, and are distributed at intervals in the circumferential direction of the first mount 11. After the trapping part 13 and the gas transmission part 14 are separated, the first mounting frame 11 and the second mounting frame 12 can rotate relatively along the rotation axis, so that the gas transmission part 14 can automatically replace the corresponding trapping part 13. Wherein, can have the filler and the entrapment temperature of different compositions in every entrapment portion 13, can the entrapment gas phase composition of difference in the entrapment flue gas, through the relative rotation between first mounting bracket 11 and the second mounting bracket 12, change entrapment portion 13 that can be quick can realize carrying out the entrapment that high efficiency lasts to different gas phase compositions in the flue gas.

Further, the number and specific structure of the trap parts are not limited in the present invention, and the trap parts can be appropriately arranged and selected according to actual needs. Specifically, as shown in fig. 1 to 5, in the present embodiment, ten capturing parts 13 are mounted on the first mounting frame 11, and the ten capturing parts 13 are uniformly distributed on the first mounting frame 11 at intervals. In the present embodiment, the trap 13 is a heat desorption tube. The thermal desorption tube is widely applied to sample treatment of a gas chromatograph, and by changing the filler and the temperature in the thermal desorption tube, the trapping and enrichment of different gas phase components in the flue gas can be realized, the volatile organic compounds in the collected flue gas can be analyzed, the sensitivity is high, and the use is convenient. In other embodiments, the trapping parts may have other numbers and structures, and the present invention is not limited thereto as long as the trapping and enrichment of different gas-phase components in the flue gas can be realized.

Further, referring to fig. 1-6, in an embodiment, the first mounting frame 11 includes a mounting turntable 110, and the capturing portions 13 are disposed parallel to the axial direction of the mounting turntable 110 and are spaced apart along the circumferential direction of the mounting turntable 110. That is, the trap part 13 is disposed on the mounting turntables 110, and the mounting turntables 110 are disposed between the second mounting frames 12 along the extending direction, and can move relative to the second mounting frames 12, so as to facilitate the mounting, dismounting and switching of the trap part 13.

In addition, the length and number of the mounting turntables 110 can be set reasonably according to the length of the catching part 13, and specifically, as shown in fig. 1 to 4, in one embodiment, two mounting turntables 110 are connected by a sleeve 111 in the extending direction. That is, the trap part 13 is mounted by two mounting disks 110, and the two mounting disks 110 respectively clamp and carry the trap part 13 near both ends of the trap part 13, so that the trap part 13 is more stably mounted. Meanwhile, the two mounting turnplates 110 are connected through a sleeve 111, and the first mounting frame 11 is formed by the two mounting turnplates, the structure is stable, and the mounting, the dismounting and the rotation are convenient.

In order to facilitate the assembly and disassembly of the catching part, referring to fig. 4-5 in combination with fig. 1-3, in an embodiment, the mounting turntable 110 is provided with slots 112, the slots 112 are distributed at intervals along the circumferential direction of the mounting turntable 110, and the catching part 13 is at least partially clamped into the slots 112. The trap part 13 is attached and detached by the form of the clamp groove 112, and the structure is simple and the use is convenient.

Meanwhile, referring to fig. 4-5, in one embodiment, a locking block 113 is provided in the locking groove 112 for locking the catching portion 13 to the mounting turntable 110. That is, the trap part 13 is locked to the mounting dial 110 by the locking block 113, and the trap part 13 can be prevented from falling off from the mounting dial 110 when the mounting dial 110 rotates.

Specifically, as shown in fig. 4 to 5, on the installation turntable 110, one side of the inside of the locking groove 112 is provided with an installation groove 114, the locking block 113 is rotatably disposed in the installation groove 114 through a pin 116, and a spring 115 is disposed between the locking block 113 and the inner wall of the installation groove 114. When the trap part 13 is installed, the trap part 13 can press the spring 115 by the locking block 113 so that the spring 115 is compressed. After the trap part 13 is engaged with the engaging groove 112, the trap part 13 can be locked in the engaging groove 112 of the mounting dial 110 by the restoring force of the spring 115, which not only prevents the trap part 13 from falling off and sliding, but also facilitates the mounting and dismounting of the trap part 13.

Further, referring to fig. 1 to 3, in an embodiment, the second mounting frame 12 includes an annular retractable disc 120, the annular retractable disc 120 is disposed opposite to both end portions of the trap portion 13, and the gas transmission portion 14 is disposed on the annular retractable disc 120 and can be communicated with or separated from the trap portion 13 under the driving of the annular retractable disc 120.

That is, the annular expansion disc 120 is disposed at the position close to the capturing part 13 at the two ends of the capturing part 13, the gas transmission part 14 is disposed on the annular expansion disc 120, and the gas transmission part 14 and the capturing part 13 can be communicated or separated through the expansion and contraction movement of the annular expansion disc 120, so that the operation is convenient.

Further, referring to fig. 1-3, in an embodiment, the annular expansion disc 120 is provided with clamping seal portions 16, the clamping seal portions 16 are distributed on the annular expansion disc 120 at intervals along a circumferential direction (as shown by a direction T in fig. 1) of the annular expansion disc 120, and correspond to the trap portion 13 and can seal the trap portion 13, at least one clamping seal portion 16 is communicated with the gas transmission portion 14, so that the flue gas can enter the trap portion 13 from one gas transmission portion 14 through the clamping seal portion 16, and after passing through the trap portion 13, the flue gas can enter the other gas transmission portion 14 from the clamping seal portion 16 at the other end (as shown by a dotted arrow in fig. 1).

That is, the plurality of holding seal portions 16 are provided on the annular expanding/contracting disk 120 at regular intervals in the circumferential direction of the annular expanding/contracting disk 120, corresponding to the positions of the trap portions 13. The clamping sealing portion 16 can enable the end portion of the trapping portion 13 to be inserted into the clamping sealing portion 16 when the annular telescopic disc 120 is close to the trapping portion 13, so that the trapping portion 13 is clamped and sealed, waste of smoke in the smoke trapping process is avoided, and interference of other gases on the trapped smoke is prevented.

Meanwhile, at least one clamping seal part 16 can be communicated with the gas transmission part 14, so that the smoke can enter the trapping part 13 from one gas transmission part 14 through the clamping seal part 16, and enter the other gas transmission part 14 from the clamping seal part 16 at the other end after passing through the trapping part 13 (as shown by a dotted arrow in fig. 1). That is, a path for flue gas flowing is formed by the gas transmission part 14, the clamping sealing part 16 and the trapping part 13, so that gas phase components in the flue gas can be trapped continuously, and the flue gas trapping efficiency is improved.

It should be noted that, the number and the specific structure of the clamping and sealing parts are not limited in the present invention, and can be reasonably arranged and selected according to actual needs. Specifically, referring to fig. 6 in combination with fig. 1 to 3, in an embodiment, ten clamping seal portions 16 are provided on the annular expansion disc 120, that is, the number of the clamping seal portions 16 corresponds to the number of the trap portions 13, so as to facilitate the matching between the clamping seal portions 16 and the trap portions 13, in other embodiments, the number of the clamping seal portions may be other, and the invention is not limited thereto.

More specifically, referring to fig. 6 in combination with fig. 1-3, the clamping and sealing portion 16 includes a seat body 160 and a ring cap 161, the seat body 160 is provided with a vent hole 165 for communicating the gas transmission portion 14 and the trapping portion 13, the ring cap 161 is disposed at one end of the seat body 160, the other end of the seat body 160 is provided with an insertion portion 162 for inserting the seat body 160 into the insertion hole 121 of the annular expansion disc 120, the insertion portion 162 is provided with a sealing ring 163, and the ring cap 161 is provided with a sealing ring 164 for clamping and sealing the trapping portion 13 when the end of the trapping portion 13 is inserted into the ring cap 161.

Further, referring to fig. 6 in combination with fig. 1-3, in an embodiment, at least two sealing rings 164 are disposed in the ring cap 161, wherein the sealing ring 164 abutting against the end of the seat body 160 is disposed back-to-back with the adjacent sealing ring 164. By arranging the sealing rings 164 abutting against the end portions of the base body 160 back to back with the adjacent sealing rings 164, it is possible to prevent the air holes 165 in the base body 160 from being blocked after the trapping portion 13 is inserted into the ring cap 161, and it is possible to ensure that the flue gas can effectively pass through the air holes 165. Meanwhile, in this embodiment, four sealing rings 164 are provided in the ring cap 161, and by providing a plurality of sealing rings 164, the sealing effect of the sealing rings 164 on the trapping part 13 can be increased, the waste of smoke is avoided, the interference of other gases on smoke trapping is prevented, and the clamping effect of the clamping sealing part 16 on the trapping part 13 can also be increased.

Further, referring to fig. 1-3, in an embodiment, the flue gas trapping device 1 further includes a first driving portion 15, and the first driving portion 15 is connected to the installation turntable 110 for driving the installation turntable 110 to rotate. The flue gas trapping device 1 further comprises a second driving part 17, and the second driving part 17 is connected with the annular telescopic disc 120 and used for driving the annular telescopic disc 120 to be close to or far away from the trapping part 13.

Specifically, as shown in fig. 1 to 3, in the present embodiment, the first driving portion 15 includes a driving motor 150 and a rotating shaft 151, the driving motor 150 is disposed on the mounting frame 10, the rotating shaft 151 is disposed on the mounting frame 10 along the extending direction and passes through the second mounting frame 12, the two installation rotating discs 110 and the sleeve 111 of the first mounting frame 11 are disposed on the rotating shaft 151, and the two installation rotating discs 110 are located between the annular telescopic discs 120 of the second mounting frame 12 and can rotate under the driving of the rotating shaft 151, so that the trapping portion 13 disposed on the first mounting frame 11 rotates, and the trapping portion 13 corresponding to the gas transmission portion 14 is switched. The driving motor 150 may be a stepping motor or a servo motor, which is not limited in the present invention.

Specifically, referring to fig. 1 to 3, in the present embodiment, the second driving portion 17 includes two air cylinders 170 and two guide rods 171, one end of each air cylinder 170 is connected to the mounting frame 10, and the other end of each air cylinder 170 is connected to the annular expansion disc 120 for driving the annular expansion disc 120 to move away from or close to the trap portion 13, and the two guide rods 171 are disposed on the mounting frame 10 along the extending direction and pass through guide holes (not shown) on the annular expansion disc 120 for guiding and limiting the movement of the annular expansion disc 120, so that the clamping seal portion 16 on the annular expansion disc 120 can be accurately abutted to the trap portion 13.

More specifically, as shown in fig. 1 to 3, the mounting frame 10 further includes a mounting base plate 101 and a supporting plate 100, the supporting plate 100 is vertically disposed at two ends of the mounting base plate 101, wherein the annular retractable disc 120 of the second mounting frame 12 is disposed on the second driving portion 17, and the second driving portion 17 is disposed on the mounting base plate 101 and is used for driving the annular retractable disc 120 to approach or be away from the trapping portion 13, so that the trapping portion 13 and the gas transmission portion 14 are hermetically connected or separated. That is, the annular expansion disc 120 is disposed on the two guide rods 171, the two air cylinders 170 are mounted on the bottom plate 101, and the two ends of the two guide rods 171 are disposed on the two support plates 100, so that the annular expansion disc 120 can be supported and guided, and the annular expansion disc 120 can move stably and reliably.

In addition, in the extending direction, the first mounting frame 11 is located between the annular telescopic discs 120, that is, the two mounting turntables 110 are located between the two annular telescopic discs 120. First mounting bracket 11 is located on first drive division 15, promptly, installation carousel 110 and sleeve pipe 111 locate the pivot 151 of first drive division 15, and first drive division 15 is located in backup pad 100, promptly, driving motor 150 sets up in backup pad 100, and pivot 151 one end is connected with driving motor 150, and the other end passes in proper order behind a backup pad 100, the flexible dish 120 of an annular, first mounting bracket 11, the flexible dish 120 of another annular to be connected with another backup pad 100 for the rotation of drive installation carousel 110.

Referring to fig. 7, the invention further provides a smoking machine 00, which comprises a smoking machine main body 01 and the smoke trapping device 1 in any one of the embodiments, wherein a pipeline 03 of the smoking machine main body 01 is connected with the gas transmission part 14 of the smoke trapping device 1 to enable smoke to form a gas flow loop (as shown by a solid arrow in fig. 7) through the trapping part 13, and a control system 02 of the smoking machine main body 01 is electrically connected with the smoke trapping device 1 to enable the smoke trapping device 1 to be linked with the smoking machine main body 01. Through the linkage of the smoke trapping device 1 and the smoking machine main body 01, the trapping and analysis of smoke gas-phase components can be automated and intelligentized, the smoke gas-phase components can be trapped and analyzed continuously and efficiently, and the labor and the sample material cost are saved.

In summary, according to the flue gas trapping device provided by the invention, the trapping part and the gas transmission part are respectively arranged on the first mounting frame and the second mounting frame which can move relatively, so that the trapping part and the gas transmission part can be quickly and hermetically connected or separated, the trapping part can be conveniently replaced, the flue gas trapping and detection efficiency can be greatly improved, and the labor and sample material cost can be saved.

While the invention has been shown and described with reference to certain preferred embodiments thereof, it will be understood by those skilled in the art that the foregoing is a more detailed description of the invention, taken in conjunction with the specific embodiments thereof, and that no limitation of the invention is intended thereby. Various changes in form and detail, including simple deductions or substitutions, may be made by those skilled in the art without departing from the spirit and scope of the invention.

Claims (15)

1. A flue gas capture device comprising;

the mounting rack comprises a first mounting rack and a second mounting rack;

the trapping part is arranged on the first mounting frame and is used for trapping flue gas;

a gas transmission part arranged on the second mounting rack and used for inputting and outputting the flue gas into and out of the trapping part, wherein,

in the extending direction of the trapping part, the gas transmission part is positioned at the opposite positions of two ends of the trapping part, and the first mounting frame and the second mounting frame can move relatively in the extending direction, so that the trapping part and the gas transmission part are connected or separated in a sealing mode.

2. The flue gas trapping device according to claim 1, wherein the trapping part is disposed on the first mounting frame along an extending direction of the first mounting frame and is spaced apart from the first mounting frame in a circumferential direction of the first mounting frame, and the first mounting frame is rotatable along a rotation axis, so that the trapping part corresponding to the gas transmission part can be automatically replaced by rotation.

3. The flue gas trapping device according to claim 2, wherein the first mounting frame comprises a mounting turntable, and the trapping parts are arranged in parallel with the axial direction of the mounting turntable and are distributed at intervals along the circumferential direction of the mounting turntable.

4. The flue gas capture device of claim 3 wherein in the extended orientation, the two mounting disks are connected by a sleeve.

5. The flue gas trapping device according to claim 3, wherein the installation turntable is provided with clamping grooves, the clamping grooves are distributed at intervals along the circumferential direction of the installation turntable, and at least part of the trapping part is clamped in the clamping grooves.

6. The flue gas trapping device according to claim 5, wherein a locking block is arranged in said slot for locking said trapping part on said mounting turntable.

7. The flue gas capture device of claim 3 further comprising a first drive coupled to the mounting turntable for driving the mounting turntable in rotation.

8. The flue gas trapping device according to claim 1, wherein the second mounting bracket includes an annular retractable disk, the annular retractable disk is disposed opposite to the end portions of both ends of the trapping portion, and the gas transmission portion is disposed on the annular retractable disk and can be connected to or disconnected from the trapping portion under the driving of the annular retractable disk.

9. The flue gas trapping device according to claim 8, wherein the annular retractable disk is provided with clamping sealing portions, the clamping sealing portions are distributed at intervals on the annular retractable disk along the circumferential direction of the annular retractable disk, correspond to the trapping portions and can seal the trapping portions, and at least one of the clamping sealing portions is communicated with the gas transmission portion, so that flue gas can enter the trapping portion from one of the gas transmission portions through the clamping sealing portions, and enter the other gas transmission portion from the clamping sealing portion at the other end after passing through the trapping portion.

10. The flue gas collecting device according to claim 9, wherein the holding and sealing portion comprises a base and a ring cap, the base is provided with a vent hole for communicating the gas transmission portion and the collecting portion, the ring cap is provided at one end of the base, the other end of the base is provided with an inserting portion for inserting the base on the annular expansion disc, the inserting portion is provided with a sealing ring, and the ring cap is provided with a sealing ring for holding and sealing the collecting portion when the end of the collecting portion is inserted into the ring cap.

11. The flue gas capture device of claim 10 wherein at least two of the seal rings are disposed within the ring cap, wherein the seal ring abutting an end of the seat is disposed back-to-back with its adjacent seal ring.

12. The flue gas capture device of claim 8 further comprising a second drive coupled to the annular flexible disk for driving the annular flexible disk toward or away from the capture portion.

13. The flue gas capture device of claim 1 wherein the capture portion is a heat desorption tube.

14. The flue gas capture device of claim 1 wherein the mounting frame further comprises a mounting base plate and support plates disposed vertically at opposite ends of the mounting base plate, wherein,

the annular telescopic disc of the second mounting frame is arranged on a second driving part, the second driving part is arranged on the mounting bottom plate and is used for driving the annular telescopic disc to be close to or far away from the trapping part, so that the trapping part and the gas transmission part are connected or separated in a sealing way,

in the extending direction, the first mounting bracket is located between the annular telescopic discs, the first mounting bracket is arranged on the first driving portion, the first driving portion is arranged on the supporting plate, the rotating shaft of the first driving portion sequentially penetrates through the supporting plate, the annular telescopic discs, the first mounting bracket and the other annular telescopic discs, and the supporting plate is connected with the other annular telescopic discs and used for driving the installation turnplate to rotate.

15. A smoking machine comprising a smoking machine body and a smoke trapping device according to any one of claims 1 to 14, wherein the smoking machine body is connected with a pipeline of the smoke trapping device for enabling smoke to form an airflow loop through the trapping part, and a control system of the smoking machine body is electrically connected with the smoke trapping device for enabling the smoke trapping device to be linked with the smoking machine body.

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