CN212568131U - Cigarette smoke trapping device of adjustable intake pipe length - Google Patents

Abstract

The utility model discloses a cigarette smoke collecting device with an adjustable length of an air inlet pipe, which comprises a smoke collecting component (1) and a condensing component (2) positioned outside the smoke collecting component (1), wherein the smoke collecting component (1) comprises a collecting chamber (4), and an air inlet pipe (3) and an air outlet pipe (5) which are in gas communication with the collecting chamber (4); the trapping liquid is contained in the trapping chamber (4); one end of the air inlet pipe (3) is inserted into the collection liquid, and cigarette smoke is introduced into the collection liquid; the length of intake pipe (3) is adjustable to adjust intake pipe (3) one end and insert the degree of depth of catching an album liquid, thereby avoid the cigarette flue gas that lets in intake pipe (3) not through catching an album liquid, directly flow through the outlet duct, can't play catch an album liquid and catch the effect of collecting volatile component in the liquid flue gas. In addition, the condensing part (2) can ensure that the volatile components in the flue gas can be effectively collected by the collection liquid, and the problems that the volatile components are volatile and difficult to collect due to high flue gas temperature are avoided.

Description

Cigarette smoke trapping device of adjustable intake pipe length

Technical Field

The utility model belongs to the technical field of the flue gas entrapment, concretely relates to take cigarette flue gas entrapment device of condensation and adjustable intake pipe length.

Background

Cigarette smoke is divided into mainstream smoke and side stream smoke, and mainstream smoke is mainly smoked by consumers. Cigarette mainstream smoke can be divided into two parts of particulate matter and gas phase. The chemical components in the cigarette smoke are very complex and various, and have different influences on the flavor and the health of human bodies, so that the research on the chemical components of the cigarette mainstream smoke is significant.

A lot of volatile components in the mainstream smoke of the cigarettes are difficult to capture by the Cambridge filter, and a capture liquid is generally used for capture. The currently used flue gas trapping device is not lack of a condensing part, and most of the flue gas trapping device is cooled by using crushed ice. However, there are some disadvantages to using ice cooling, such as: ice blocks are easy to melt; the ice blocks are not in close contact with the flue gas trapping device, and a plurality of gaps exist; the cooling effect of ice blocks on the low-boiling-point solvent is not ideal; the operation is complex, and the labor capacity is increased; the cooling temperature cannot be adjusted at will, etc. In addition, the air inlet pipe of the flue gas catcher used in the laboratory at present is fixed in length, and the length of the air inlet pipe can not be adjusted according to the amount of the liquid catching and collecting, and the amount of the liquid catching and collecting can not be changed at will.

In order to solve the above problems, the utility model is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art not enough, designed a take cigarette flue gas entrapment device of condensation and adjustable intake pipe length, can connect the cooling-cycle pump, let catch the liquid and maintain the low temperature, reach the purpose of the volatile composition in the effectual entrapment flue gas.

The utility model provides a cigarette smoke collecting device with an adjustable length of an air inlet pipe, which comprises a smoke collecting component 1 and a condensing component 2 positioned outside the smoke collecting component 1, wherein the smoke collecting component 1 comprises a collecting chamber 4, an air inlet pipe 3 and an air outlet pipe 5 which are in gas communication with the collecting chamber 4;

the trapping liquid is contained in the trapping chamber 4;

one end of the air inlet pipe 3 is inserted into the collection liquid, and cigarette smoke is introduced into the collection liquid;

the length of the air inlet pipe 3 can be adjusted so as to adjust the depth of one end of the air inlet pipe 3 inserted into the liquid collecting body.

Preferably, the air inlet pipe 3 comprises a vent pipe 31, a connecting pipe 32 and a cavity pipe 33 in sequence, and the cavity pipe 33 is inserted into the capture liquid; the length of the connection pipe 32 can be selected, and the length of the air inlet pipe 3 can be adjusted by selecting a suitable length of the connection pipe 32.

Preferably, the tube wall of the cavity tube 33 is provided with an air hole 331, the cavity tube 33 is inserted into the liquid collection liquid, and the air hole 331 on the tube wall of the cavity tube 33 is ensured to be completely positioned below the liquid level of the liquid collection liquid, namely, the air hole 331 is completely immersed in the liquid collection liquid, and the purpose of adjusting the length of the air inlet tube 3 is also to adjust the length of the air inlet tube 3 when the amount of the liquid collection liquid is changed, so that the air hole 331 on the cavity tube 33 of the air inlet tube 3 can be still completely immersed in the liquid collection liquid, and the situation that cigarette smoke introduced into the air inlet tube 3 directly flows out through the air outlet tube without passing through the liquid collection liquid and cannot play a role of capturing volatile components in the liquid collection liquid smoke.

Wherein, the aperture of the air hole 331 is any one specification of 1nm-0.1cm, and the cavity tube 33 with the air hole 331 which meets the aperture requirement can be replaced according to the experiment requirement.

Preferably, the material of the vent pipe 31 is glass, and the material of the connecting pipe 32 is one or more of rubber, silica gel, plastic or a novel material (including not only polytetrafluoroethylene doped with carbon nanotubes, polyethylene doped with nano silver, etc.), etc.

Preferably, the condensation member 2 comprises a condensate inlet 21, a condensate outlet 22 and a condensation interlayer 23.

Preferably, the condensation interlayer 23 can be connected with a cooling circulation device to keep the temperature of the condensation interlayer 23 at-70 ℃ to-10 ℃, so that a low-temperature environment is kept for the capture chamber, the capture liquid is ensured to effectively capture volatile components in the flue gas, and the problems that the volatile components are volatile and difficult to capture due to high temperature of the flue gas are solved.

Compared with the prior art, the utility model has following beneficial effect:

1. the utility model discloses flue gas trap's intake pipe 3's length can be adjusted, and it can be adjusted according to the volume of catching the collection liquid that holds in the entrapment room 4 to when guaranteeing the volume change of catching the collection liquid, the gas pocket is caught a liquid submergence completely in intake pipe 3, avoids the cigarette flue gas that lets in intake pipe 3 not through catching the collection liquid, directly flows through the outlet duct, can't play catch the collection liquid and catch the effect of volatile component in the collection liquid flue gas.

2. The utility model discloses a flue gas entrapment device of adjustable intake pipe length 1 outside of flue gas entrapment part has condensing element 2, and condensing element 2's condensate import 21 and condensate export 22 can connect cooling cycle device to keep condensation intermediate layer 23 between temperature-70- ~ -10 ℃ to guarantee to catch the volatile composition in the effectual entrapment flue gas of collection liquid, avoided because the higher volatile composition who leads to of flue gas temperature is volatile, the problem of difficult entrapment.

3. The utility model discloses cigarette flue gas condensate collection device's condensing part 2 is convenient for temperature regulation, can accurate accuse temperature, and the condensation is effectual.

Drawings

FIG. 1 is a schematic structural view of a cigarette smoke collecting device with an adjustable length of an air inlet pipe according to the present invention;

FIG. 2 is a GC-MS ion flow spectrum of the flue gas collection liquid of example 1;

the names of the reference numerals in the description of the drawings are: 1-trapping part, 2-condensing part, 3-air inlet pipe, 4-trapping chamber, 5-air outlet pipe, 21-cooling liquid inlet, 22-cooling liquid outlet, 23-condensing interlayer, 31-air pipe, 32-connecting pipe, 33-cavity pipe and 331-air hole.

Detailed Description

The following examples further illustrate the present invention, but the scope of the present invention is not limited thereto.

The following embodiment uses the cigarette smoke collecting device with adjustable length of the air inlet pipe provided by the utility model as shown in fig. 1, which comprises a smoke collecting component 1 and a condensing component 2 positioned outside the smoke collecting component 1, wherein the smoke collecting component 1 comprises a collecting chamber 4, and an air inlet pipe 3 and an air outlet pipe 5 which are in gas communication with the collecting chamber 4; the trap chamber 4 contains a trap liquid.

The air inlet pipe 3 sequentially comprises an air pipe 31, a connecting pipe 32 and a cavity pipe 33, and the cavity pipe 33 is inserted into the liquid collecting body; the length of the connection pipe 32 is adjustable to adjust the length of the intake pipe 3. The tube 33 has air holes 331 on its wall, and the tube 33 is inserted into the liquid trap and ensures that the air holes 331 on the wall of the tube 33 are completely below the liquid level of the liquid trap in each embodiment, i.e. the air holes 331 are completely submerged by the liquid trap. Wherein the pore diameter of the air hole 331 is 100 nm.

The material of breather pipe 31 is glass, the material of connecting pipe 32 is rubber.

The condensing part 2 comprises a condensate inlet 21, a condensate outlet 22 and a condensing interlayer 23, and the coolant inlet and the coolant outlet are respectively connected with corresponding interfaces of the cooling circulating pump.

The flue gas enters the air inlet pipe 3 from the air vent pipe 31, enters the trapping liquid through the air holes 331 of the cavity pipe 33, and leaves the trapping device from the air outlet pipe 2 after passing through the trapping liquid. The capture liquid is then concentrated under reduced pressure or otherwise processed for detection analysis using GC-MS or other instrumentation.

Example 1

Connecting the cigarette smoke trapping device with the condensation function and the adjustable length of the air inlet pipe to a smoking machine, setting a cooling circulating pump at-30 ℃, adding 10mL of dichloromethane as a trapping liquid, selecting a connecting pipe 32 with the length of 10cm, completely immersing air holes 331 in a cavity pipe 33 into the trapping liquid, concentrating the trapping liquid to 2mL after sucking 4 cigarettes by using an ISO suction mode, and detecting by using GC-MS to obtain a spectrogram shown in figure 2.

Example 2

Connecting the cigarette smoke trapping device with the condensing function and the adjustable length of the air inlet pipe to a smoking machine, setting a cooling circulating pump at-10 ℃, adding 20mL of methanol as a trapping liquid, selecting a connecting pipe 32 with the length of 7cm, completely immersing an air hole 331 on a cavity pipe 33 into the trapping liquid, concentrating the trapping liquid to 2mL after sucking 4 cigarettes by using an ISO suction mode, and detecting by using an ultraviolet spectrophotometer.

Example 3

Connecting the cigarette smoke trapping device with the condensation function and the adjustable length of the air inlet pipe to a smoking machine, setting a cooling circulating pump at-70 ℃, adding 5mL of dichloromethane to serve as a trapping liquid, selecting a connecting pipe 32 with the length of 15cm to enable an air hole 331 in a cavity pipe 33 to be completely immersed in the trapping liquid, using an ISO suction mode, after 4 cigarettes are sucked, dropping the trapping liquid onto a potassium bromide pressure plate, and detecting by using a near-infrared spectrophotometer.

Claims (6)

1. The cigarette smoke trapping device capable of adjusting the length of the air inlet pipe is characterized by comprising a smoke trapping part (1) and a condensing part (2) positioned on the outer side of the smoke trapping part (1), wherein the smoke trapping part (1) comprises a trapping chamber (4), and an air inlet pipe (3) and an air outlet pipe (5) which are in gas communication with the trapping chamber (4);

the trapping chamber (4) contains a trapping liquid;

one end of the air inlet pipe (3) is inserted into the collection liquid, and cigarette smoke is introduced into the collection liquid;

the length of the air inlet pipe (3) can be adjusted so as to adjust the depth of one end of the air inlet pipe (3) inserted into the liquid collecting body.

2. The cigarette smoke trapping device according to claim 1, wherein said intake pipe (3) comprises, in sequence, a ventilation pipe (31), a connecting pipe (32) and a lumen (33), said lumen (33) being inserted in said trapping liquid; the length of the connecting pipe (32) is adjustable so as to adjust the length of the air inlet pipe (3).

3. The cigarette smoke trapping device according to claim 2, wherein the tube wall of the cavity tube (33) is provided with air holes (331), and the pore diameter of the air holes (331) is 1nm-0.1 cm.

4. The cigarette smoke collecting device according to claim 2, wherein the material of the vent pipe (31) is glass, and the material of the connecting pipe (32) is rubber, silica gel or plastic.

5. The cigarette smoke trapping device according to claim 1, wherein the condensing means (2) comprises a condensate inlet (21), a condensate outlet (22) and a condensing sandwich (23).

6. The cigarette smoke trapping device according to claim 5, wherein the temperature of the condensation interlayer (23) is-70 ℃ to-10 ℃.

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