阅读说明：本技术 一种亚麻籽油加工的出油品质检测设备及其检测方法 (Oil outlet quality detection equipment for linseed oil processing and detection method thereof ) 是由 肖俊方 艾波 肖新星 刘小健 于 2021-08-03 设计创作，主要内容包括：本发明提供了一种亚麻籽油加工的出油品质检测设备及其检测方法,包括导热油加热器,与所述导热油加热器相连接的搅拌组件,与所述搅拌组件的出气端相连接的空压机,与所述空压机的出气端相连接的检测组件；所述搅拌组件包括出气端与所述空压机的进气端之间通过软管相连接的搅拌罐,以及套设于所述搅拌罐的外表面、且通过管道与所述导热油加热器相连接的夹套。本发明能够为气敏传感器提供温度和湿度恒定的亚麻籽油,且能够在控制检测罐内的湿度的同时,切换气敏传感器的工作状态,防止气敏传感器长期暴露于检测罐中,受检测罐因调节湿度而造成的不稳定的环境的影响。(The invention provides an oil outlet quality detection device for linseed oil processing and a detection method thereof, wherein the detection device comprises a heat conduction oil heater, a stirring assembly connected with the heat conduction oil heater, an air compressor connected with the air outlet end of the stirring assembly, and a detection assembly connected with the air outlet end of the air compressor; the stirring assembly comprises a stirring tank and a jacket, wherein the stirring tank is connected between an air outlet end and an air inlet end of the air compressor through a hose, the jacket is sleeved on the outer surface of the stirring tank, and the jacket is connected with the heat-conducting oil heater through a pipeline. The linseed oil with constant temperature and humidity can be provided for the gas sensor, the working state of the gas sensor can be switched while the humidity in the detection tank is controlled, and the gas sensor is prevented from being exposed in the detection tank for a long time and being influenced by unstable environment of the detection tank due to humidity adjustment.)

1. The oil outlet quality detection equipment for linseed oil processing is characterized by comprising a heat conduction oil heater (10), a stirring assembly (20) connected with the heat conduction oil heater (10), an air compressor (30) connected with the air outlet end of the stirring assembly (20), and a detection assembly (40) connected with the air outlet end of the air compressor (30);

the stirring assembly (20) comprises a stirring tank (21) and a jacket (22), wherein the air outlet end of the stirring tank is connected with the air inlet end of the air compressor (30) through a hose, and the jacket (22) is sleeved on the outer surface of the stirring tank (21) and is connected with the heat conduction oil heater (10) through a pipeline;

detection element (40) include the inlet end with detection jar (41) that are connected through the hose between air compressor machine (30), be fixed in detect the lifting unit (42) of jar (41) upper surface, with the execution end of lifting unit (42) is connected, and from top to bottom locates in proper order detect two inside annular water pipes (43) of jar (41), and wear to locate detection mechanism (45) of detecting jar (41) inside axis department, every the top of annular water pipe (43) all be equipped with direction dish (44) that the execution end of lifting unit (42) is connected.

2. The linseed oil processing oil outlet quality detection apparatus according to claim 1, wherein the lifting assembly (42) includes first air cylinders (421) fixed on the upper surface of the detection tank (41) and symmetrically disposed, and two second air cylinders (422) located between the two first air cylinders (421) and fixed on the upper surface of the detection tank (41), piston rods of the first air cylinders (421) are sequentially inserted into the casings of the two annular water pipes (43), and piston rods of the second air cylinders (422) are sequentially inserted into the casings of the two guide discs (44).

3. The linseed oil processing oil outlet quality detection apparatus according to claim 1, wherein the detection mechanism (45) comprises a support pipe (452) penetrating an inner axis of the detection tank (41), and a gas sensor (451) fixed inside the support pipe (452) and arranged in sequence from top to bottom, wherein one end of the gas sensor (451) penetrates through the support pipe (452) and extends to the outside.

4. The oil outlet quality detection device for linseed oil processing according to claim 1, wherein a plurality of upwardly tilted atomizer heads (431) are fixed to an upper surface of the annular water pipe (43), and the plurality of atomizer heads (431) are arranged around an axis of the annular water pipe (43).

5. The linseed oil processing oil outlet quality detection apparatus according to claim 2, wherein a first vent hole (441) through which the support tube (452) passes is formed in a housing of the guide plate (44), a plurality of second vent holes (442) arranged around the first vent hole (441) are formed in the housing of the guide plate (44), and an annular brush (444) is fixed to an inner wall of a hole body at a top end of the first vent hole (441).

6. The oil outlet quality detection apparatus for linseed oil processing according to claim 5, wherein a bottom end of said circular brush (444) is provided with a sealing air bag (443) fixed to an inner wall of said first ventilation hole (441).

7. The linseed oil output quality detection apparatus for processing linseed oil according to claim 1, wherein the detection assembly (40) further comprises a high pressure air release valve (46) fixed on an outer surface of the detection tank (41), and an air outlet end of the high pressure air release valve (46) is connected with an air inlet end of the agitator tank (21) through a hose.

8. The linseed oil processing outlet quality detection device according to claim 1, wherein a speed reducer (25) is fixed on an upper surface of the stirring tank (21), an output shaft of the speed reducer (25) extends into the stirring tank (21) and is connected with a stirring shaft (23), and a plurality of stirring blades (24) are sequentially fixed on an outer surface of the stirring shaft (23) from top to bottom.

9. The oil outlet quality detection device for linseed oil processing according to claim 1, wherein a barometer (47) is fixed to an outer surface of the detection tank (41).

10. A detection method of oil outlet quality detection equipment for linseed oil processing is characterized by comprising the following steps:

firstly, placing linseed oil into a stirring tank (21), and driving a stirring shaft (23) to rotate through a speed reducer (25) so as to mix the linseed oil in the stirring tank (21);

secondly, hot oil is conveyed into a jacket (22) through a heat conduction oil heater (10), and the linseed oil in the stirring tank (21) is heated until the temperature of the linseed oil in the stirring tank (21) is constant;

thirdly, the gas-state linseed oil formed by volatilizing the linseed oil in the stirring tank (21) is pressurized and conveyed into the detection tank (41) through an air compressor (30);

fourthly, controlling the height of the annular water pipe (43) and the guide disc (44) in the detection tank (41) and the distance between the annular water pipe (43) and the guide disc (44) through the lifting assembly (42) so as to spray water mist through the annular water pipe (43), and changing the atomization effect through collision between the water mist and the guide disc (44) until the humidity in the detection tank (41) is constant;

fifthly, the gas sensor (451) on the supporting pipe (452) is exposed by the lifting of the guiding disc (44), and the gasified linseed oil in the detection tank (41) is detected through the gas sensor (451).

Technical Field

The invention mainly relates to the technical field of oil detection, in particular to oil outlet quality detection equipment for linseed oil processing and a detection method thereof.

Background

The linseed oil is prepared from linseed, which is the seed of flax and belongs to the family of linaceae, called flax, and contains considerable amounts of higher fatty alcohols, hydroxyl and the like.

According to the patent document CN201911226730.2, a method for testing the quality of linseed oil is provided, which comprises the following steps: s1, taking out the linseed oil in a dark and cool place, and observing the smell, taste, transparency and color of the linseed oil by using a manual detection method; s2, if the flaxseed oil detected manually has no obvious quality problem, detecting the quality of the flaxseed oil by using detection equipment; s3, acquiring various data of the existing linseed oil with qualified quality, formulating a linseed oil quality scoring standard, and generating a linseed oil quality scoring system. Through obtaining present qualified linseed oil each item data of quality, formulate linseed oil quality scoring standard, generate linseed oil quality scoring system, the linseed oil data that will await measuring is leading-in to scoring system, can obtain the score of linseed oil quality to the quality of location linseed oil, the quality standard of judging is reasonable.

However, the detection of linseed oil still has defects, for example, although the above detection method can obtain the value of the quality of linseed oil, so as to locate the quality of linseed oil, the conventional detection device lacks the function of maintaining the internal environment of the device, but often detects linseed oil through the gas sensor, and the linseed oil needs to be adsorbed on the surface of the gas sensor during detection, so that the performance of the sensor is often deteriorated due to an unstable working environment.

Disclosure of Invention

The invention mainly provides oil outlet quality detection equipment for linseed oil processing and a detection method thereof, which are used for solving the technical problems in the background technology.

The technical scheme adopted by the invention for solving the technical problems is as follows:

the oil outlet quality detection equipment for linseed oil processing comprises a heat conduction oil heater, a stirring assembly connected with the heat conduction oil heater, an air compressor connected with the air outlet end of the stirring assembly, and a detection assembly connected with the air outlet end of the air compressor;

the stirring assembly comprises a stirring tank and a jacket, wherein the gas outlet end of the stirring tank is connected with the gas inlet end of the air compressor through a hose, and the jacket is sleeved on the outer surface of the stirring tank and is connected with the heat-conducting oil heater through a pipeline;

the detection subassembly include the inlet end with the detection jar that is connected through the hose between the air compressor machine is fixed in the lifting unit of detection jar upper surface, with lifting unit's execution end is connected, and locates from top to bottom in proper order two inside annular water pipes of detection jar, and wear to locate the detection mechanism of the inside axis department of detection jar, every annular water pipe's top all be equipped with the direction dish that lifting unit's execution end is connected.

Further, lifting unit is including being fixed in detect jar upper surface, and the first cylinder that the symmetry set up, and be located two between the first cylinder, and be fixed in detect two second cylinders of jar upper surface, the piston rod of first cylinder wears to locate two in proper order on the casing of annular water pipe, the piston rod of second cylinder wears to locate two in proper order on the casing of direction dish to distance between control direction dish and the annular water pipe, and the inside height of direction dish at the detection jar.

Further, detection mechanism is including wearing to locate the stay tube of the inside axis department of detection jar is fixed in the inside of stay tube, and the gas sensor who sets gradually from top to bottom, gas sensor's one end is run through the stay tube extends to the outside to detect the inside gaseous linseed oil that is of detection jar through gas sensor.

Further, the last fixed surface of annular water pipe has a plurality of atomizer of perk that make progress, and is a plurality of atomizer encircles annular water pipe's axis sets up for atomizer jetted atomizing water smoke can fully contact with direction dish bottom inclined plane, changes atomization effect with the striking through distance between water smoke and the direction dish.

Furthermore, be equipped with the first air vent that supplies the stay tube to pass on the casing of direction dish, be equipped with on the casing of direction dish and encircle a plurality of second air vents that first air vent set up, the internal wall of hole on first air vent top is fixed with annular brush, and the direction dish is through the friction between annular brush and the gas sensor in its first air vent to clear up the surface of gas sensor.

Furthermore, the bottom end of the annular brush is provided with a sealing air bag fixed on the inner wall of the first vent hole, so that the air-sensitive sensor is prevented from being exposed in the detection tank for a long time and being influenced by the unstable environment in the detection tank.

Further, the detecting component is still including being fixed in the high-pressure air release valve of detection jar outer surface, the end of giving vent to anger of high-pressure air release valve pass through the hose with the inlet end of agitator tank is connected for in the detection jar discharges unnecessary high-pressure gas in with it through high-pressure air release valve to the agitator tank, be gaseous flaxseed oil phase mixture in with the agitator tank.

Further, the last fixed surface of agitator tank has the speed reducer, the output shaft of speed reducer extends to agitator tank internal connection and has the (mixing) shaft, the surface of (mixing) shaft is fixed with a plurality of stirring vane from top to bottom in proper order to stir the mixture to the linseed oil in the agitator tank, and the detection that less causes because of the sediment material is not accurate.

Furthermore, a barometer is fixed on the outer surface of the detection tank, so that a worker can check the air pressure state in the detection tank through the barometer on the detection tank.

According to the technical scheme of the oil outlet quality detection equipment for linseed oil processing, the detection method of the oil outlet quality detection equipment for linseed oil processing is further provided, and comprises the following steps:

firstly, placing linseed oil into a stirring tank, and driving a stirring shaft to rotate through a speed reducer so as to mix the linseed oil in the stirring tank;

secondly, conveying hot oil into the jacket through a heat conduction oil heater, and heating the linseed oil in the stirring tank until the temperature of the linseed oil in the stirring tank is constant;

thirdly, pressurizing and conveying gaseous linseed oil formed by volatilization of the linseed oil in the stirring tank into the detection tank through an air compressor;

fourthly, controlling the height of the annular water pipe and the guide disc in the detection tank and the distance between the annular water pipe and the guide disc through the lifting assembly to spray water mist through the annular water pipe, and changing the atomization effect through collision between the water mist and the guide disc until the humidity in the detection tank is constant;

and fifthly, detecting the gasified linseed oil in the detection tank by the gas sensor through the lifting of the guide disc to expose the gas sensor on the supporting tube.

Compared with the prior art, the invention has the beneficial effects that:

firstly, the invention can provide linseed oil with constant temperature and humidity for the gas sensor so as to improve the detection precision and the service life of the gas sensor, and specifically comprises the following steps: the conduction oil heater carries hot oil to pressing from both sides in the cover, heats the linseed oil in the agitator tank, and until the temperature of the linseed oil in the agitator tank is invariable, sprays water smoke through annular water pipe, hits the atomizing effect of change through water smoke and direction dish mutually, and it is invariable to detect the humidity in the jar.

Secondly, the invention can switch the working state of the gas sensor while controlling the humidity in the detection tank, and prevent the gas sensor from being exposed in the detection tank for a long time and being influenced by unstable environment of the detection tank caused by humidity adjustment, specifically comprising the following steps: when the guide disc is lifted through the second cylinder, the guide disc and the gas sensor are at the same height, and the gap between the guide disc and the gas sensor is reduced through the sealed air bag on the guide disc, so that the gas sensor is shielded.

The present invention will be explained in detail below with reference to the drawings and specific embodiments.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view of a test canister according to the present invention;

FIG. 3 is an exploded view of the detection assembly of the present invention;

FIG. 4 is a schematic structural diagram of the detecting mechanism of the present invention;

FIG. 5 is a schematic view of the structure of the guiding plate of the present invention;

FIG. 6 is an isometric view of the present invention;

FIG. 7 is a top view of the present invention;

FIG. 8 is a cross-sectional view of a blender jar in accordance with the present invention.

In the figure: 10. a heat conducting oil heater; 20. a stirring assembly; 21. a stirring tank; 22. a jacket; 23. a stirring shaft; 24. a stirring blade; 25. a speed reducer; 30. an air compressor; 40. a detection component; 41. a detection tank; 42. a lifting assembly; 421. a first cylinder; 422. a second cylinder; 43. an annular water pipe; 431. an atomizing spray head; 44. a guiding disc; 441. a first vent hole; 442. a second vent hole; 443. sealing the air bag; 444. an annular brush; 45. a detection mechanism; 451. a gas sensor; 452. supporting a tube; 46. a high pressure bleed valve; 47. a barometer.

Detailed Description

In order to facilitate an understanding of the invention, the invention will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which may be embodied in different forms and not limited to the embodiments described herein, but which are provided so as to provide a more thorough and complete disclosure of the invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the knowledge of the terms used herein in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 8, in a preferred embodiment of the present invention, an apparatus for detecting oil output quality of linseed oil processing includes a heat conduction oil heater 10, a stirring assembly 20 connected to the heat conduction oil heater 10, an air compressor 30 connected to an air outlet end of the stirring assembly 20, and a detection assembly 40 connected to an air outlet end of the air compressor 30;

the stirring assembly 20 comprises a stirring tank 21 and a jacket 22, wherein the gas outlet end of the stirring tank 21 is connected with the gas inlet end of the air compressor 30 through a hose, and the jacket 22 is sleeved on the outer surface of the stirring tank 21 and is connected with the heat-conducting oil heater 10 through a pipeline;

the detection assembly 40 comprises a detection tank 41, a lifting assembly 42, two annular water pipes 43 and a detection mechanism 45, wherein the detection tank 41 is connected between an air inlet end and the air compressor 30 through a hose, the lifting assembly 42 is fixed on the upper surface of the detection tank 41, the two annular water pipes 43 are connected with an execution end of the lifting assembly 42 and are sequentially arranged in the detection tank 41 from top to bottom, the detection mechanism 45 is arranged on an axis in the detection tank 41 in a penetrating manner, and a guide disc 44 connected with the execution end of the lifting assembly 42 is arranged at the top end of each annular water pipe 43;

it should be noted that, in this embodiment, the linseed oil is placed in the feed hopper on the upper surface of the stirring tank 21, the stirring shaft 23 is driven to rotate by the speed reducer 25, so that the linseed oil in the stirring tank 21 is mixed, then the hot oil is conveyed into the jacket 22 by the heat conduction oil heater 10, the linseed oil in the stirring tank 21 is heated until the temperature of the linseed oil in the stirring tank 21 is constant, and then the gaseous linseed oil formed by volatilization of the linseed oil in the stirring tank 21 is conveyed into the detection tank 41 by pressurizing by the air compressor 30;

further, the height of the annular water pipe 43 and the guiding disc 44 inside the detection tank 41 and the distance between the annular water pipe 43 and the guiding disc 44 are controlled by the lifting assembly 42, so that water mist is sprayed through the annular water pipe 43, the atomization effect is changed by the collision of the water mist and the guiding disc 44 until the humidity inside the detection tank 41 is constant, then the gas sensor 451 on the support pipe 452 is exposed by the lifting of the guiding disc 44, and the gasified linseed oil inside the detection tank 41 is detected by the gas sensor 451.

Specifically, please refer to fig. 2, 3 and 5 again, in another preferred embodiment of the present invention, the lifting assembly 42 includes first cylinders 421 fixed on the upper surface of the detection tank 41 and symmetrically disposed, and two second cylinders 422 located between the two first cylinders 421 and fixed on the upper surface of the detection tank 41, piston rods of the first cylinders 421 sequentially penetrate through the housings of the two annular water pipes 43, piston rods of the second cylinders 422 sequentially penetrate through the housings of the two guide discs 44, the detection mechanism 45 includes a support tube 452 penetrating through the inner axis of the detection tank 41, a gas sensor 451 fixed inside the support tube 452 and sequentially disposed from top to bottom, and one end of the gas sensor 451 extends to the outside through the support tube 452;

it should be noted that, in this embodiment, since the annular water pipe 43 is fixed at the bottom end of the piston rod of the first cylinder 421, the piston rod of the first cylinder 421 drives the annular water pipe 43 to move up and down so as to control the height of the annular water pipe 43 inside the detection tank 41, and the second cylinder 422 drives the guiding disc 44 on the piston rod thereof so as to control the distance between the guiding disc 44 and the annular water pipe 43 and the height of the guiding disc 44 inside the detection tank 41;

further, when the guiding disc 44 is driven by the second cylinder 422 to shield the gas sensor 451, the gas sensor 451 of the type H4830 detects the gaseous linseed oil in the detection tank 41.

Specifically, please refer to fig. 2, 3 and 5 again, in another preferred embodiment of the present invention, a plurality of upwardly tilted atomizing nozzles 431 are fixed on the upper surface of the annular water pipe 43, the plurality of atomizing nozzles 431 are arranged around the axis of the annular water pipe 43, a first air vent 441 for a support tube 452 to pass through is arranged on the housing of the guiding dish 44, a plurality of second air vent 442 arranged around the first air vent 441 is arranged on the housing of the guiding dish 44, an annular brush 444 is fixed on the inner wall of the hole body at the top end of the first air vent 441, and a sealing air bag 443 fixed on the inner wall of the first air vent 441 is arranged at the bottom end of the annular brush 444;

it should be noted that, in this embodiment, the annular water pipe 43 is made to spray atomized water mist through the atomizer 431 fixed on the top surface thereof, and because the atomizer 431 is tilted upwards, the atomized water mist sprayed by the atomizer 431 can sufficiently contact with the inclined surface of the bottom end of the guide dish 44, so as to change the atomization effect through the distance and impact between the water mist and the guide dish 44;

further, when the guiding disc 44 is lifted by the second cylinder 422, the guiding disc 44 cleans the surface of the gas sensor 451 by the friction between the annular brush 444 in the first ventilation hole 441 and the gas sensor 451, and the guiding disc 44 guides the linseed oil in the gas state in the detection tank 41 to flow through the second ventilation hole 442;

further, when the guiding dish 44 is located at the same height as the gas sensor 451 by reducing the gap between the guiding dish 44 and the gas sensor 451 through the sealing air bag 443 thereon, the gas sensor 451 is shielded by the sealing air bag 443, so as to prevent the gas sensor 451 from being exposed to the detection tank 41 for a long time and being affected by the unstable environment inside the detection tank 41.

Specifically, please refer to fig. 1, 7 and 8 again, in another preferred embodiment of the present invention, the detecting assembly 40 further includes a high-pressure air release valve 46 fixed on the outer surface of the detecting tank 41, an air outlet end of the high-pressure air release valve 46 is connected with an air inlet end of the stirring tank 21 through a hose, a speed reducer 25 is fixed on the upper surface of the stirring tank 21, an output shaft of the speed reducer 25 extends to the inside of the stirring tank 21 and is connected with a stirring shaft 23, a plurality of stirring blades 24 are sequentially fixed on the outer surface of the stirring shaft 23 from top to bottom, and an air pressure gauge 47 is fixed on the outer surface of the detecting tank 41;

it should be noted that, in this embodiment, the detection tank 41 is made to discharge the excessive high-pressure gas therein to the stirring tank 21 through the high-pressure air release valve 46, and mix with the gaseous linseed oil in the stirring tank 21;

furthermore, when the speed reducer 25 is driven by the motor connected with the speed reducer 25 to operate, the speed reducer 25 drives the stirring shaft 23 connected with the output shaft of the speed reducer 25 to rotate, so that the linseed oil in the stirring tank 21 is stirred and mixed through the rotation of the stirring blades 24 on the stirring shaft 23, and the detection inaccuracy caused by the deposition of substances is less;

further, the worker is allowed to check the state of the air pressure in the inspection tank 41 by the air pressure gauge 47 on the inspection tank 41.

As shown in fig. 1 to 8, there will also be provided a method for detecting oil quality detection equipment in linseed oil processing according to the above embodiments, comprising the following steps:

firstly, placing linseed oil into a stirring tank 21, and driving a stirring shaft 23 to rotate through a speed reducer 25 so as to mix the linseed oil in the stirring tank 21;

secondly, hot oil is conveyed into the jacket 22 through the heat conduction oil heater 10, and the linseed oil in the stirring tank 21 is heated until the temperature of the linseed oil in the stirring tank 21 is constant;

thirdly, the air compressor 30 is used for pressurizing and conveying the gaseous linseed oil formed by the volatilization of the linseed oil in the stirring tank 21 into the detection tank 41;

fourthly, controlling the height of the annular water pipe 43 and the guide disc 44 in the detection tank 41 and the distance between the annular water pipe 43 and the guide disc 44 through the lifting assembly 42 so as to spray water mist through the annular water pipe 43, and changing the atomization effect through the collision between the water mist and the guide disc 44 until the humidity in the detection tank 41 is constant;

fifthly, the gas sensor 451 on the supporting tube 452 is exposed by the lifting of the guiding disc 44, and the gasified linseed oil in the detection tank 41 is detected by the gas sensor 451

The specific operation mode of the invention is as follows:

when the detection device is used for detecting linseed oil, a worker firstly places the linseed oil into a feed hopper on the upper surface of the stirring tank 21, drives the stirring shaft 23 to rotate through the speed reducer 25 so as to mix the linseed oil in the stirring tank 21, then conveys hot oil into the jacket 22 through the heat conduction oil heater 10, heats the linseed oil in the stirring tank 21 until the temperature of the linseed oil in the stirring tank 21 is constant, and then conveys the gaseous linseed oil formed by volatilization of the linseed oil in the stirring tank 21 into the detection tank 41 through the air compressor 30 in a pressurized manner;

the height of the annular water pipe 43 and the guiding disc 44 inside the detection tank 41 and the distance between the annular water pipe 43 and the guiding disc 44 are controlled by the lifting assembly 42, so that water mist is sprayed through the annular water pipe 43, the atomization effect is changed by the collision of the water mist and the guiding disc 44 until the humidity inside the detection tank 41 is constant, then the gas sensor 451 on the support pipe 452 is exposed by the lifting of the guiding disc 44, and the gasified linseed oil inside the detection tank 41 is detected by the gas sensor 451.

The invention is described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the above-described embodiments, and it is within the scope of the invention to adopt such insubstantial modifications of the inventive method concept and solution, or to apply the inventive concept and solution directly to other applications without modification.