Portable methanol detection sample pretreatment device

Abstract

The utility model provides a portable methanol detection sample pretreatment device which comprises a supporting outer frame shell and a distillation module, wherein the distillation module is used for distilling a methanol detection sample; the distillation module comprises a distillation shell, the distillation shell is connected to the bottom of an inner cavity of the supporting outer frame shell, a heating wire disc is connected to an inner cavity of the lower portion of the distillation shell, and a stirring assembly is arranged in an inner cavity of the upper portion of the distillation shell; and the condensation module is used for condensing and collecting the gas distilled by the distillation module to obtain a treated methanol detection sample. According to the methanol detection device disclosed by the utility model, a methanol detection sample can be subjected to distillation treatment by utilizing the distillation assembly, and then distilled substances are subjected to condensation treatment by utilizing the condensation module to obtain condensed liquid drops, so that the sample is treated, a clarified sample is obtained, and then the clarified sample is subjected to methanol detection, so that a methanol detection structure is more accurate.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of methanol detection, especially to portable methanol detection sample pretreatment device. BACKGROUND

[0002] Methanol is the simplest saturated monohydric alcohol with the simplest structure, with a boiling point of 64.7℃. It is also known as "wood alcohol" or "wood spirit". It is a colorless liquid with a strong alcoholic odor and is highly volatile. The minimum dose of methanol poisoning for humans is approximately 100mg / kg of body weight. Ingestion of 0.3-1g / kg can be fatal. It is used to manufacture formaldehyde and pesticides, and as an extractant for organic substances and a denaturant for alcohol, among other uses. It is typically produced by the reaction of carbon monoxide and hydrogen.

[0003] Methanol detection refers to the process of accurately measuring the methanol content in samples using methanol detectors or other professional equipment through chemical reactions, chromatographic analysis, and other methods. Methanol detection is widely used in factories, laboratories, and alcohol beverage industries to ensure the concentration control of methanol and environmental safety. Methanol detectors are mainly used in industrial production, chemical manufacturing, and indoor air quality, among other fields. They are widely used in factories, laboratories, and alcohol beverage industries to ensure the concentration control of methanol and environmental safety.

[0004] The sample for methanol detection is white wine, but some liquids may contain a large amount of natural pigments and other impurities. Therefore, the sample needs to be treated before methanol detection. In the granted Chinese utility model patent "Publication No. CN218381981U, Name: Portable methanol rapid detection sample pretreatment device", an apparatus capable of distillation and clarification of the sample to be tested is designed by cleverly combining electric heating and semiconductor refrigeration, achieving rapid boiling and evaporation of the sample. However, in the above-mentioned application, the heating and refrigeration structures are separate and the high temperature generated after condensation is directly dissipated, making it difficult to utilize. Moreover, during heating, it is difficult to ensure uniform heating, resulting in the need for a longer time to distill the sample and lower distillation efficiency. UTILITY MODEL CONTENTS

[0005] The technical problem to be solved by the utility model is to overcome the defects of uneven heating and direct heat dissipation in the prior art, and to provide a portable methanol detection sample pretreatment device.

[0006] The utility model solves the above technical problems by the following technical solutions:

[0007] The utility model provides a portable methanol detection sample pretreatment device, which comprises a supporting outer frame shell,

[0008] A distillation module is used to distill the methanol detection sample.

[0009] The distillation module comprises a distillation shell connected to the bottom of the inner cavity of the support frame shell, a heating wire coil connected to the lower inner cavity of the distillation shell, and a stirring assembly arranged at the upper inner cavity of the distillation shell.

[0010] The condensation module is used for condensing and collecting the gas distilled by the distillation module to obtain a processed methanol detection sample.

[0011] The condensation module comprises a condensation assembly connected to the distillation shell and a circulation assembly arranged outside the condensation assembly, which is used for circulating the provided cooling liquid to assist the condensation assembly in condensation treatment.

[0012] In the technical solution, the methanol detection sample is subjected to distillation treatment by the distillation assembly, and then the distilled substances are subjected to condensation treatment by the condensation module to obtain condensed droplets, thereby completing the treatment of the sample and obtaining a more clarified sample, and then the clarified sample is subjected to methanol detection, so that the methanol detection structure is more accurate.

[0013] Preferably, the stirring assembly comprises a rotating shaft rotatably connected to the end surface of the distillation shell.

[0014] The surface of the rotating shaft is connected with a plurality of stirring blades.

[0015] In the technical solution, the stirring assembly is used to mix the sample in the distillation shell, so that the sample is heated more uniformly.

[0016] Preferably, the bottom end of the rotating shaft is rotatably connected to the bottom of the inner cavity of the distillation shell, and the top end of the rotating shaft is rotatably penetrated and connected to the top surface of the distillation shell.

[0017] The top of the distillation shell is connected with a fixed frame, and the inner wall of the fixed frame is mounted with a driving source.

[0018] The output end of the driving source is connected with a transmission part, and the transmission part is connected with the top end of the rotating shaft.

[0019] In the technical solution, the driving source is used to drive the rotation of the rotating shaft.

[0020] Preferably, the transmission part is composed of two bevel gears connected with each other, one of which is connected with the top end of the rotating shaft, and the other of which is connected with the driving end of the driving source.

[0021] In the technical solution, the transmission part is used to connect the driving source and the rotating shaft.

[0022] Preferably, an installation frame is arranged at the inner cavity of the distillation shell, a plurality of connecting strips are connected to the inner side of the installation frame, and one end of the connecting strip is connected to the surface of the rotating shaft.

[0023] The clean water scraping plate is connected outside the mounting frame and is in contact with the side wall of the inner cavity of the distillation shell.

[0024] In the technical solution, the clean water scraping plate can clean the inner wall of the distillation shell, avoiding the adhesion of liquid drops on the inner side of the distillation shell and affecting the distillation effect.

[0025] Preferably, the condensing assembly comprises a condensing pipe arranged at the inner cavity of the supporting outer frame shell.

[0026] The condensing pipe is connected with a connecting pipe at the upper end, and the distillation shell is connected with the connecting pipe at the top.

[0027] The connecting pipe is connected with a dripping end at the lower end, and a collection cylinder is placed below the dripping end.

[0028] In the technical solution, the condensing assembly can condense the substances distilled from the distillation shell into liquid.

[0029] Preferably, the inner wall of the supporting outer frame shell is connected with a thermal insulation plate, and the surface of the dripping end is fixedly connected with the thermal insulation plate.

[0030] In the technical solution, the thermal insulation plate can thermally insulate the space on both sides thereof.

[0031] Preferably, the circulating assembly comprises a spiral cooling pipe, and the spiral cooling pipe is sleeved outside the condensing pipe.

[0032] One end of the spiral cooling pipe is connected with a cooler through a waste heat utilization component, the cooler is connected with a liquid storage tank, and the liquid storage tank is connected to the inner cavity of the supporting outer frame shell.

[0033] The liquid storage tank is connected with a circulating pump at the side, the outlet end of the circulating pump is connected with a liquid feeding pipe, and one end of the liquid feeding pipe is connected with one end of the spiral cooling pipe.

[0034] In the technical solution, the circulating assembly can make the cooling water circulate.

[0035] Preferably, the waste heat utilization component comprises a waste heat utilization pipe and a heat preservation shell, and the waste heat utilization pipe is wound on the surface of the distillation shell.

[0036] The waste heat utilization pipe is arranged at the inner cavity of the heat preservation shell, and the heat preservation shell is connected to the outside of the distillation shell.

[0037] In the technical solution, the waste heat utilization component can utilize waste heat.

[0038] Preferably, the distillation shell top surface and the liquid storage tank top surface are connected with liquid feeding pipe groups, and the liquid feeding pipe groups are fixedly connected with the support frame.

[0039] In the technical solution, two liquid feeding pipe groups are used to add materials into the circulating assembly and the distillation shell respectively.

[0040] On the basis of common knowledge in the art, the above-mentioned preferred conditions can be combined arbitrarily to obtain preferred examples of the present application.

[0041] The positive progress effect of the present application is that:

[0042] The present application can distill the methanol detection sample, condense the distilled substance by using the condensing module, obtain condensed liquid drops, complete the processing of the sample, obtain a more clear sample, and then detect the methanol in the clear sample, so that the methanol detection structure is more accurate.

[0043] Meanwhile, the sample in the distillation shell can be mixed by using the stirring assembly, the temperature of the sample is more uniform, the efficiency of liquid distillation is improved, the inner wall of the distillation shell can be cleaned, the effect of distillation and condensation is not affected by the liquid drops accumulated on the inner wall, and the distillation efficiency of the sample is improved.

[0044] Furthermore, the circulating assembly can provide circulating condensed liquid, and the liquid with a high temperature after condensation can be used for heat preservation treatment of the distillation shell, so that the temperature loss in the distillation shell is avoided, the efficiency of distillation is affected, the high temperature after condensation is utilized, and heat loss is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0045] Figure 1 It is a structural schematic diagram of the portable methanol detection sample pretreatment device.

[0046] Figure 2 It is Figure 1 It is a whole internal structure schematic diagram of the portable methanol detection sample pretreatment device.

[0047] Figure 3 It is Figure 1 It is a whole top view structure schematic diagram of the portable methanol detection sample pretreatment device.

[0048] Figure 4 It is Figure 1 It is a three-dimensional structure schematic diagram of the stirring assembly of the portable methanol detection sample pretreatment device.

[0049] Figure 5 It is Figure 2 It is a local enlarged structure schematic diagram of the portable methanol detection sample pretreatment device at A.

[0050] Figure 6 For Figure 3 Figure 2 is a partial enlarged structural schematic view of B of the portable methanol detection sample pretreatment device shown in Figure 1.

[0051] Legend

[0052] 1, support outer frame shell;

[0053] 2, distillation shell;

[0054] 3, heating wire disc;

[0055] 4, stirring assembly; 41, rotating shaft; 42, stirring blade; 43, fixed frame; 44, driving source; 45, transmission part; 46, mounting frame; 47, connecting strip; 48, clean water scraper;

[0056] 5, condensing assembly; 51, condensing pipe; 52, connecting pipe; 53, dripping end; 54, collection cylinder; 55, temperature insulation plate;

[0057] 6, circulating assembly; 61, spiral cooling pipe; 62, cooler; 63, liquid storage tank; 64, circulating pump; 65, liquid delivery pipe; 66, waste heat utilization pipe; 67, heat preservation shell;

[0058] 7, liquid feeding pipe group. DETAILED DESCRIPTION

[0059] The utility model will be further explained by the way of embodiment below, but the utility model is not limited in the embodiment range by the embodiment.

[0060] Figures 1 to 6 As shown in the structural schematic view of the embodiment of the portable methanol detection sample pretreatment device of the utility model. The portable methanol detection sample pretreatment device includes support outer frame shell 1,

[0061] Distillation module, the distillation module is used for distillation treatment to methanol detection sample;

[0062] The distillation module includes distillation shell 2, the distillation shell 2 is connected to the bottom of the inner chamber of support outer frame shell 1, the lower inner chamber of the distillation shell 2 is connected with heating wire disc 3, avoids heating wire disc 3 and liquid contact, increases the security of heating wire disc 3 when using;

[0063] The upper inner chamber of the distillation shell 2 is provided with stirring assembly 4;

[0064] Condensing module, the condensing module is used for condensing collection to the gas distilled out of distillation module, and the methanol detection sample after treatment is obtained;

[0065] The condensing module comprises a condensing assembly 5 connected with the distillation shell 2 and a circulating assembly 6 arranged outside the condensing assembly 5 and used for circulating the provided cooling liquid to assist the condensing assembly 5 in the condensing treatment.

[0066] In the technical scheme, the methanol detection sample is subjected to distillation treatment by the distillation assembly, then the distilled substance is subjected to condensing treatment by the condensing module to obtain condensed liquid drops, so that the sample treatment is completed and the sample is more clear, and then the clear sample is subjected to methanol detection, so that the methanol detection structure is more accurate.

[0067] The stirring assembly 4 comprises a rotating shaft 41 rotatably connected with the distillation shell 2 at the end face.

[0068] The rotating shaft 41 is connected with a plurality of stirring blades 42 on the surface.

[0069] In the technical scheme, the sample in the distillation shell 2 is mixed by the stirring assembly 4, so that the sample heating is more uniform.

[0070] The bottom end of the rotating shaft 41 is rotatably connected with the bottom of the inner cavity of the distillation shell 2, and the top end of the rotating shaft 41 is rotatably penetrated and connected with the top face of the distillation shell 2.

[0071] The distillation shell 2 is connected with a fixed frame 43, and the inner wall of the fixed frame 43 is mounted with a driving source 44.

[0072] The output end of the driving source 44 is connected with a transmission part 45, and the transmission part 45 is connected with the top end of the rotating shaft 41.

[0073] In the technical scheme, the driving source 44 drives the rotation of the rotating shaft 41.

[0074] The transmission part 45 is composed of two bevel gears connected with each other, one of which is connected with the top end of the rotating shaft 41, and the other of which is connected with the driving end of the driving source 44.

[0075] In the technical scheme, the transmission part 45 connects the driving source 44 and the rotating shaft 41.

[0076] The inner cavity of the distillation shell 2 is provided with a mounting frame 46, the inner side of the mounting frame 46 is connected with a plurality of connecting strips 47, and one end of the connecting strip 47 is connected with the surface of the rotating shaft 41.

[0077] The outer side of the mounting frame 46 is connected with a clean water scraper 48, and the clean water scraper 48 is in contact with the inner cavity side wall of the distillation shell 2.

[0078] In the technical solution, the water scraping plate 48 can clean the inner wall of the distillation shell 2, avoiding the adhesion of liquid drops on the inner side of the distillation shell 2 to affect the distillation effect.

[0079] In use, the driving source 44 drives the transmission part 45 to rotate, thereby driving the rotating shaft 41 to rotate, and at the same time, the stirring blade 42 and the connecting strip 47 are driven to rotate.

[0080] When the stirring blade 42 rotates, the sample in the distillation shell 2 can be mixed, so that the temperature of each part of the sample is more uniform, and the efficiency of sample distillation is improved.

[0081] When the connecting strip 47 rotates, the mounting frame 46 is driven to rotate, thereby driving the water scraping plate 48 to rotate, and the water scraping plate 48 is used to scrape and clean the inner wall of the distillation shell 2, so that the liquid drops accumulated in the distillation shell 2 are scraped off, and the effect of sample distillation is improved.

[0082] The condensing assembly 5 comprises a condensing pipe 51 arranged in the inner cavity of the support outer frame shell 1.

[0083] The condensing pipe 51 is connected with a connecting pipe 52 at the upper end, and the distillation shell 2 is connected with the connecting pipe 52 at the distal end of the condensing pipe 51.

[0084] The connecting pipe 52 is connected with a dripping end 53 at the lower end, and the collecting cylinder 54 is placed below the dripping end 53.

[0085] In the technical solution, the condensing assembly 5 can condense the substances distilled from the distillation shell 2 into liquid.

[0086] The support outer frame shell 1 is connected with a heat insulation plate 55, and the surface of the dripping end 53 is fixedly connected with the heat insulation plate 55.

[0087] In the technical solution, the heat insulation plate 55 can insulate the space on both sides thereof.

[0088] The gas distilled passes through the connecting pipe 52 and enters the condensing pipe 51, and at this time, the spiral cooling pipe 61 provides a lower temperature, so that the gas in the condensing pipe 51 can be condensed, and the condensed liquid drips into the collecting cylinder 54 through the dripping end 53 for collection.

[0089] The collecting cylinder 54 can be replaced.

[0090] The circulating assembly 6 comprises a spiral cooling pipe 61 arranged outside the condensing pipe 51.

[0091] One end of the spiral cooling pipe 61 is connected with a cooler 62 through a waste heat utilization part, the cooler 62 is connected with a liquid storage tank 63, and the liquid storage tank 63 is connected to the bottom of the inner cavity of the support outer frame shell 1.

[0092] The circulating pump 64 is connected to the liquid tank 63, and the outlet end of the circulating pump 64 is connected to the liquid delivery pipe 65.

[0093] In the technical solution, the circulating assembly 6 can make the cooling water circulate.

[0094] The waste heat utilization component comprises a waste heat utilization pipe 66 and a heat preservation shell 67.

[0095] The waste heat utilization pipe 66 is arranged in the inner cavity of the heat preservation shell 67, and the heat preservation shell 67 is connected to the outside of the distillation shell 2.

[0096] In the technical solution, the waste heat utilization component can utilize the waste heat.

[0097] The liquid adding pipe groups 7 are connected to the top surface of the distillation shell 2 and the top surface of the liquid tank 63.

[0098] In the technical solution, the two liquid adding pipe groups 7 can respectively add materials into the circulating assembly 6 and the distillation shell 2.

[0099] In use, the cooling liquid circulates in the liquid delivery pipe 65, the spiral cooling pipe 61, the waste heat utilization pipe 66, the cooler 62 and the liquid tank 63 through the circulating pump 64, so as to provide a lower temperature for the condensing assembly 5 to condense, and a higher temperature of the condensing assembly 5 passes through the waste heat utilization pipe 66 to perform heat preservation treatment on the distillation shell 2, so as to avoid heat loss in the distillation shell 2 and reduce the energy consumption of the heating wire coil 3.

[0100] The driving source 44 is a motor or other device capable of outputting rotary kinetic energy.

[0101] Although the specific embodiments of the present application are described above, those skilled in the art should understand that this is only an example, and the protection scope of the present application is defined by the appended claims. Those skilled in the art can make various changes or modifications to the embodiments without departing from the principles and essence of the present application, and these changes and modifications all fall within the protection scope of the present application.

Claims

1. A portable sample pre-treatment device for methanol detection comprising a supporting outer frame casing (1), characterized in that, The portable methanol detection sample pretreatment device further comprises a distillation module for distillation treatment of the methanol detection sample; The distillation module comprises a distillation shell (2) connected to the bottom of the inner cavity of the support frame shell (1), a heating wire coil (3) connected to the lower inner cavity of the distillation shell (2), and a stirring assembly (4) arranged at the upper inner cavity of the distillation shell (2). A condensation module is arranged for condensing and collecting the gas distilled by the distillation module to obtain the treated methanol detection sample. The condensation module comprises a condensation assembly (5) connected to the distillation shell (2) and a circulation assembly (6) arranged outside the condensation assembly (5), which is used to circulate the provided cooling liquid to assist the condensation assembly (5) in condensation treatment.

2. The portable methanol detection sample preparation device of claim 1, wherein: The stirring assembly (4) comprises a rotating shaft (41) rotatably connected to the distillation shell (2) at the end surface. A plurality of stirring blades (42) are connected to the surface of the rotating shaft (41).

3. The portable methanol detection sample preparation device of claim 2, wherein: The bottom end of the rotating shaft (41) is rotatably connected to the bottom of the inner cavity of the distillation shell (2), and the top end of the rotating shaft (41) is rotatably connected to the top surface of the distillation shell (2). A fixed frame (43) is connected to the top of the distillation shell (2), and a driving source (44) is mounted on the inner wall of the fixed frame (43). The output end of the driving source (44) is connected with a transmission part (45), and the transmission part (45) is connected with the top end of the rotating shaft (41).

4. The portable sample pre-treatment device for methanol detection of claim 3, wherein: The transmission part (45) is composed of two bevel gears connected with each other, one of which is connected with the top end of the rotating shaft (41), and the other is connected with the driving end of the driving source (44).

5. The portable methanol detection sample preparation device of claim 2, wherein: An installation frame (46) is arranged in the inner cavity of the distillation shell (2), a plurality of connection strips (47) are connected to the inner side of the installation frame (46), and one end of the connection strip (47) is connected to the surface of the rotating shaft (41). A clean water scraper (48) is connected to the outer side of the installation frame (46), and the clean water scraper (48) is in contact with the side wall of the inner cavity of the distillation shell (2).

6. The portable methanol detection sample preparation device of claim 1, wherein: The condensation assembly (5) comprises a condensation pipe (51) arranged in the inner cavity of the support frame shell (1). The upper end of the condensation pipe (51) is connected with a connecting pipe (52), and the end of the connecting pipe (52) away from the condensation pipe (51) is connected with the top of the distillation shell (2). The lower end of the connecting pipe (52) is connected with a dripping end (53), and a collection cylinder (54) is placed below the dripping end (53).

7. The portable sample pre-treatment device for methanol detection of claim 6, wherein: A heat insulation plate (55) is connected to the inner wall of the support frame shell (1), and the surface of the dripping end (53) is fixedly connected with the heat insulation plate (55).

8. The portable methanol detection sample preparation device of claim 1, wherein: The circulation assembly (6) comprises a spiral cooling pipe (61) sleeved outside the condensation pipe (51). The spiral cooling pipe (61) is connected with the cooler (62) through the waste heat utilization component, the cooler (62) is connected with the liquid storage tank (63), and the liquid storage tank (63) is connected to the bottom of the inner cavity of the supporting outer frame shell (1). The circulating pump (64) is connected to the side of the liquid storage tank (63), the outlet end of the circulating pump (64) is connected with the liquid delivery pipe (65), and the end, away from the circulating pump (64), of the liquid delivery pipe (65) is connected with one end of the spiral cooling pipe (61).

9. The portable sample pre-treatment device for methanol detection of claim 8, wherein: The waste heat utilization component comprises a waste heat utilization pipe (66) and a heat preservation shell (67), and the waste heat utilization pipe (66) is wound on the surface of the distillation shell (2). The waste heat utilization pipe (66) is arranged in the inner cavity of the heat preservation shell (67), and the heat preservation shell (67) is connected to the outside of the distillation shell (2).

10. The portable methanol detection sample preparation device of claim 1, wherein: The top surface of the distillation shell (2) and the top surface of the liquid storage tank (63) are both connected with the liquid feeding pipe group (7), and the liquid feeding pipe group (7) is fixedly connected with the penetrating connection of the top surface of the supporting outer frame shell (1).

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