Cigarette filter rod filtration apparatus and cigarette filter rod filtration efficiency evaluation system

Abstract

The application relates to the technical field of cigarette filter rod evaluation, and discloses a cigarette filter rod filtering device and a cigarette filter rod filtering efficiency evaluation system. The cigarette filter rod filtering device comprises a heating furnace, a tobacco carrying crucible, a cigarette filter rod carrying pipe and a Cambridge filter clamping device; the tobacco carrying crucible is arranged in a heating pipe in the heating furnace; one end of the cigarette filter rod carrying pipe is connected with a flue gas outlet of the heating pipe; the other end of the cigarette filter rod carrying pipe is connected with the Cambridge filter clamping device. The cigarette filter rod filtering device can avoid the need of making complete cigarettes for evaluating the filtering efficiency of the cigarette filter rod, and can reduce the complexity and cost of the evaluation process.

Description

Technical Field

[0001] This application relates to the field of tobacco filter rod evaluation technology, and in particular to a tobacco filter rod filtration device and a tobacco filter rod filtration efficiency evaluation system. Background Technology

[0002] Cigarette filter rods are one of the key components in the manufacture of cigarette products. Evaluating the filtration efficiency of cigarette filter rods for smoke is a prerequisite for determining how they are used in the product.

[0003] Traditional methods for evaluating the filtration efficiency of cigarette filter rods require attaching the filter rod to a cigarette to form a filter-tipped cigarette, and then using a smoking machine to simulate the smoking process to achieve the filtration effect before evaluating the filtration efficiency. This traditional method necessitates the fabrication of complete cigarettes, resulting in a complex sample preparation process and high production costs. Utility Model Content

[0004] In view of this, the purpose of this application is to provide a cigarette filter rod filtration device and a cigarette filter rod filtration efficiency evaluation system, which aims to solve the problems of complex sample preparation process and high production cost when evaluating the filtration efficiency of cigarette filter rods using traditional methods in the prior art.

[0005] To achieve the above objectives, the technical solution adopted in this application is as follows: In a first aspect, embodiments of this application provide a tobacco filter rod filtration device, which includes: a heating furnace, a tobacco support crucible, a tobacco filter rod support tube, and a Cambridge filter holder; The tobacco-supporting crucible is disposed in the heating tube of the heating furnace; One end of the filter rod support tube is connected to the flue gas outlet of the heating tube; The other end of the tobacco filter rod support tube is connected to the Cambridge filter holder.

[0006] In one embodiment, the inner circumference of the cigarette filter rod support tube ranges from 13 mm to 26 mm.

[0007] In one embodiment, the tobacco-supporting crucible is used to support tobacco; The heating furnace is used to heat the heating tubes in the heating furnace, so that the tobacco in the tobacco-carrying crucible is heated and releases smoke. The tobacco filter rod support tube is used to support the tobacco filter rod so that the tobacco filter rod can filter the smoke released by heating tobacco. The Cambridge filter holder is used to hold the Cambridge filter so that the Cambridge filter can filter the smoke after it has been filtered by the tobacco filter rod.

[0008] In one embodiment, the heating furnace is further configured to determine the heating temperature for heating the heating tube based on the type of the flue filter rod.

[0009] In one embodiment, the type of the cigarette filter rod includes a heated type and a conventional type. The heating temperature of the heated type cigarette filter rod is 200 ℃ to 400 ℃, and the heating temperature of the conventional type cigarette filter rod is 300 ℃ to 900 ℃.

[0010] In one embodiment, the tobacco filter rod filtration device further includes: a flue gas purging device; The flue gas purging device is located at the air inlet of the heating tube.

[0011] In one embodiment, the smoke purging device is used to blow the smoke released from heated tobacco toward the tobacco filter rod support tube.

[0012] In one embodiment, the flue gas purging device is further configured to provide a heating atmosphere to the heating furnace, the heating atmosphere being a mixture of oxygen and nitrogen.

[0013] In one embodiment, the volume ratio of oxygen in the gas mixture is 1%-21%.

[0014] Secondly, this application also provides a tobacco filter rod filtration efficiency evaluation system, which includes: a filtration efficiency evaluation unit and a tobacco filter rod filtration device, wherein the tobacco filter rod filtration device includes: a heating furnace, a tobacco support crucible, a tobacco filter rod support tube and a Cambridge filter holder. The tobacco-supporting crucible is used to support tobacco. The heating furnace is used to heat the heating tubes in the heating furnace, so that the tobacco in the tobacco-carrying crucible is heated and releases smoke. The tobacco filter rod support tube is used to support the tobacco filter rod so that the tobacco filter rod can filter the smoke released by heating tobacco. The Cambridge filter holder is used to hold the Cambridge filter so that the Cambridge filter can filter the smoke after it has been filtered by the tobacco filter rod. The filtration efficiency evaluation unit is used to determine the filtration efficiency of the tobacco filter rod based on the weight of the tobacco filter rod and the Cambridge filter before and after filtration, or to determine the filtration efficiency of the tobacco filter rod based on the content of the target substance in the tobacco filter rod and the Cambridge filter after filtration.

[0015] Compared to existing technologies, the advantages of this application are as follows: This application proposes a tobacco filter rod filtration device and a tobacco filter rod filtration efficiency evaluation system. The tobacco filter rod filtration device includes: a heating furnace, a tobacco support crucible, a tobacco filter rod support tube, and a Cambridge filter holder; the tobacco support crucible is disposed in a heating tube within the heating furnace; one end of the tobacco filter rod support tube is connected to the flue gas outlet of the heating tube; the other end of the tobacco filter rod support tube is connected to the Cambridge filter holder. Using the tobacco filter rod filtration device avoids the need to produce complete cigarettes for tobacco filter rod filtration efficiency evaluation, reducing the complexity and cost of the evaluation process. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this application, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this application and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 A schematic diagram of a structure of the tobacco filter rod filtration device provided in this application; Figure 2 Another structural schematic diagram of the tobacco filter rod filtration device provided in this application; Figure 3 This is a schematic diagram of the structure of the tobacco filter rod filtration efficiency evaluation system provided in this application.

[0018] Explanation of key component symbols: 1-Heating furnace; 2-Tobacco support crucible; 3-Tobacco filter rod support tube; 4-Cambridge filter holder; 5-Smoke purging device. Detailed Implementation

[0019] The embodiments of this application are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this application, and should not be construed as limiting this application.

[0020] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0021] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0022] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0023] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0024] Please refer to Figure 1 , Figure 1 This is a schematic diagram of a tobacco filter rod filtration device provided in this application. The tobacco filter rod filtration device includes: a heating furnace 1, a tobacco support crucible 2, a tobacco filter rod support tube 3, and a Cambridge filter holder 4.

[0025] The tobacco support crucible 2 is placed in the heating tube of the heating furnace 1. One end of the tobacco filter rod support tube 3 is connected to the flue gas outlet of the heating tube, and the other end of the tobacco filter rod support tube 3 is connected to the Cambridge filter holder 4.

[0026] In one embodiment, the tobacco-supporting crucible 2 is used to hold tobacco. In one embodiment, the tobacco is in the form of one or more combinations of tobacco shreds, stems, reconstituted tobacco leaves, tobacco sheets, tobacco granules, and tobacco powder; before heating, the tobacco-supporting crucible 2 is kept in a constant temperature and humidity environment, preferably an environment with a temperature of 22°C and a relative humidity of 60%.

[0027] In one embodiment, a heating furnace 1 is used to heat the heating tubes in the heating furnace 1, so that the tobacco in the tobacco-carrying crucible 2 is heated and releases smoke.

[0028] In one embodiment, a tobacco filter rod support tube 3 is used to support the tobacco filter rod so that the tobacco filter rod can filter the smoke released by heating tobacco.

[0029] In one embodiment, a Cambridge filter holder 4 is used to hold a Cambridge filter so that the Cambridge filter filters the smoke after it has been filtered by a tobacco filter rod.

[0030] In one embodiment, the diameter of the tobacco filter rod support tube 3 ranges from 13mm to 26mm. It is understood that the diameter of the tobacco filter rod is usually from 13mm to 26mm. Therefore, setting the value of the inner circumference of the tobacco filter rod support tube 3 to be from 13mm to 26mm can meet the detection requirements of tobacco filter rods of different diameters and improve the versatility of the tobacco filter rod filtration equipment.

[0031] In one embodiment, the heating furnace 1 is further configured to determine the heating temperature for heating the heating tube based on the type of cigarette filter rod. Exemplarily, the types of cigarette filter rods include heated and conventional types. Heated cigarette filter rods are used in cigarettes that do not require combustion, while conventional cigarette filter rods are used in cigarettes that require combustion. The heating temperature for heated cigarette filter rods is 200-400 °C, and the heating temperature for conventional cigarette filter rods is 300-900 °C.

[0032] In one embodiment, after the heating furnace 1 reaches the target heating temperature, it is typically maintained for 3-15 minutes to allow the tobacco therein to heat the released smoke to the maximum extent.

[0033] In summary, the tobacco filter rod filtration device proposed in this application includes: a heating furnace 1, a tobacco-supporting crucible 2, a tobacco filter rod supporting tube 3, and a Cambridge filter holder 4; the tobacco-supporting crucible 2 is used to hold tobacco; the heating furnace 1 is used to heat the heating tube in the heating furnace 1, so that the tobacco in the tobacco-supporting crucible 2 is heated and releases smoke; the tobacco filter rod supporting tube 3 is used to hold the tobacco filter rod, so that the tobacco filter rod filters the smoke released by the heated tobacco; the Cambridge filter holder 4 is used to hold the Cambridge filter, so that the Cambridge filter filters the smoke after the tobacco filter rod has been filtered. This avoids the need to produce complete cigarettes when evaluating the filtration efficiency of the tobacco filter rod, reducing the complexity and cost of the evaluation process.

[0034] Please refer to Figure 2 , Figure 2 This application provides another schematic diagram of the tobacco filter rod filtration device, which further includes a smoke purging device 5. The smoke purging device 5 is used to blow the smoke released from heated tobacco towards the tobacco filter rod support tube 3. The smoke purging device 5 provides a heating atmosphere to the heating furnace 1. The heating atmosphere is a mixture of oxygen and nitrogen, wherein the oxygen volume ratio is between 1% and 21%, preferably 9%, to maintain the stability of the smoke released from heated tobacco. The smoke purging device 5 can also provide power for the smoke released from heated tobacco, causing the smoke to be blown towards the tobacco filter rod and Cambridge filter, thus helping to improve the efficiency of the tobacco filter rod and Cambridge filter in filtering the smoke.

[0035] Please refer to Figure 3 , Figure 3 This is a schematic diagram of the structure of the tobacco filter rod filtration efficiency evaluation system provided in this application. The tobacco filter rod filtration efficiency evaluation system includes: a filtration efficiency evaluation unit and a tobacco filter rod filtration device. The tobacco filter rod filtration device includes: a heating furnace 1, a tobacco support crucible 2, a tobacco filter rod support tube 3, and a Cambridge filter holder 4.

[0036] The tobacco-supporting crucible 2 is used to hold tobacco. In one embodiment, the tobacco is in the form of one or more combinations of tobacco shreds, stems, reconstituted tobacco leaves, tobacco sheets, tobacco granules, and tobacco powder. Before heating, the tobacco-supporting crucible is kept in a constant temperature and humidity environment, preferably an environment with a temperature of 22°C and a relative humidity of 60%.

[0037] Heating furnace 1 is used to heat the heating tubes in heating furnace 1, so that the tobacco in the tobacco-carrying crucible 2 is heated and releases smoke.

[0038] The tobacco filter rod support tube 3 is used to support the tobacco filter rod so that the tobacco filter rod can filter the smoke released by heating tobacco.

[0039] Cambridge filter holder 4 is used to hold Cambridge filters so that the Cambridge filters can filter the smoke after it has been filtered by the tobacco filter rod.

[0040] The filtration efficiency evaluation unit is used to determine the filtration efficiency of the tobacco filter rod based on the weight of the tobacco filter rod and the Cambridge filter before and after filtration, or based on the content of the target substance in the tobacco filter rod and the Cambridge filter after filtration.

[0041] In one embodiment, the filtration efficiency evaluation unit includes: a processor, and a weight acquisition device or a content acquisition device. The weight acquisition device is used to acquire the weight of the tobacco filter rod and the Cambridge filter before and after filtration. The content acquisition device is used to acquire the content of the target substance in the tobacco filter rod and the Cambridge filter after filtration. The processor is used to determine the filtration efficiency of the tobacco filter rod based on the weight of the tobacco filter rod and the Cambridge filter before and after filtration, or based on the content of the target substance in the tobacco filter rod and the Cambridge filter after filtration.

[0042] In one embodiment, the formula for determining the filtration efficiency of the tobacco filter rod based on the weight of the tobacco filter rod and the Cambridge filter before and after filtration is: E=(m3-m1) / [(m3-m1)+(m4-m2)]*100%, where E is the filtration efficiency, m1 is the weight of the tobacco filter rod before filtration, m2 is the weight of the Cambridge filter before filtration, m3 is the weight of the tobacco filter rod after filtration, and m4 is the weight of the Cambridge filter after filtration.

[0043] In one embodiment, the formula for determining the filtration efficiency of the tobacco filter rod based on the content of the target substance in the filtered tobacco filter rod and the Cambridge filter is: E = m i1 / (m i1 + m i2 ) *100%, where E is the filtration efficiency, m i1 m represents the content of the target substance in the filtered tobacco filter rod. i2 This represents the content of the target substance in the Cambridge filter after filtration.

[0044] In one embodiment, the target substance includes one of the following: water, nicotine, glycerin, propylene glycol, benzene compounds, crotonaldehyde, benzo[a]pyrene, 5-hydroxymethylfurfural, 2,3-dihydro-3,5-dihydroxy-6-methyl-4H-pyran-4-one, etc., smoke-generating agents, harmful substances, and flavoring substances.

[0045] In summary, this application proposes a tobacco filter rod filtration device and a tobacco filter rod filtration efficiency evaluation system. The tobacco filter rod filtration device includes: a heating furnace 1, a tobacco-supporting crucible 2, a tobacco filter rod supporting tube 3, a Cambridge filter holder 4, and a smoke purging device 5; the tobacco-supporting crucible 2 is used to hold tobacco; the heating furnace 1 is used to heat the heating tube in the heating furnace 1, causing the tobacco in the tobacco-supporting crucible 2 to release smoke; the tobacco filter rod supporting tube 3 is used to hold the tobacco filter rod, so that the tobacco filter rod filters the smoke released from the heated tobacco; the Cambridge filter holder 4 is used to hold the Cambridge filter, so that the Cambridge filter filters the smoke after the tobacco filter rod has been filtered; the smoke purging device 5 is used to provide a heating atmosphere to the heating furnace 1 and to provide power for the smoke released from the heated tobacco. The tobacco filter rod filtration efficiency evaluation system includes a filtration efficiency evaluation unit and a tobacco filter rod filtration device. The filtration efficiency evaluation unit determines the filtration efficiency of the tobacco filter rod based on the weight of the tobacco filter rod and Cambridge filter before and after filtration, or based on the content of the target substance in the tobacco filter rod and Cambridge filter after filtration. The tobacco filter rod filtration device simulates the tobacco filter rod filtration process, and then the filtration efficiency evaluation unit in the tobacco filter rod filtration efficiency evaluation system performs the filtration efficiency evaluation. This avoids the need to produce complete cigarettes for tobacco filter rod filtration efficiency evaluation, reducing the complexity and cost of the evaluation process, while improving the efficiency and accuracy of tobacco filter rod filtration efficiency evaluation.

[0046] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0047] Although embodiments of this application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting this application. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of this application.

Claims

1. A tobacco filter rod filtration device, characterized in that, The tobacco filter rod filtration device includes: a heating furnace, a tobacco support crucible, a tobacco filter rod support tube, and a Cambridge filter holder; The tobacco-supporting crucible is disposed in the heating tube of the heating furnace; One end of the filter rod support tube is connected to the flue gas outlet of the heating tube; The other end of the tobacco filter rod support tube is connected to the Cambridge filter holder.

2. The tobacco filter rod filtration device according to claim 1, characterized in that, The inner circumference of the filter rod support tube for tobacco products ranges from 13 mm to 26 mm.

3. The tobacco filter rod filtration device according to claim 1, Its characteristics are: The tobacco-supporting crucible is used to support tobacco. The heating furnace is used to heat the heating tubes in the heating furnace, so that the tobacco in the tobacco-carrying crucible is heated and releases smoke. The tobacco filter rod support tube is used to support the tobacco filter rod so that the tobacco filter rod can filter the smoke released by heating tobacco. The Cambridge filter holder is used to hold the Cambridge filter so that the Cambridge filter can filter the smoke after it has been filtered by the tobacco filter rod.

4. The tobacco filter rod filtration device according to claim 1, characterized in that, The types of the flue filter rods include heated type and conventional type; the heating furnace is also used to determine the heating temperature for heating the heating tube according to the type of the flue filter rod.

5. The tobacco filter rod filtration device according to claim 4, characterized in that, The heating temperature for the heated tobacco filter rod is 200°C to 400°C, and the heating temperature for the conventional tobacco filter rod is 300°C to 900°C.

6. The tobacco filter rod filtration device according to claim 1, characterized in that, The flue gas filter rod filtration device also includes: a flue gas purging device; The flue gas purging device is located at the air inlet of the heating tube.

7. The tobacco filter rod filtration device according to claim 6, characterized in that, The smoke purging device is used to blow the smoke released by heating tobacco toward the tobacco filter rod support tube.

8. The tobacco filter rod filtration device according to claim 6, characterized in that, The flue gas purging device is also used to provide a heating atmosphere to the heating furnace, the heating atmosphere being a mixture of oxygen and nitrogen.

9. The tobacco filter rod filtration device according to claim 8, characterized in that, The oxygen volume ratio in the mixture is 1%-21%.

10. A system for evaluating the filtration efficiency of a tobacco filter rod, characterized in that, The tobacco filter rod filtration efficiency evaluation system includes: a filtration efficiency evaluation unit and a tobacco filter rod filtration device as described in any one of claims 1-9; The filtration efficiency evaluation unit is used to determine the filtration efficiency of the tobacco filter rod carried by the tobacco filter rod filtration device.

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