CN115561058B - Digestion device and digestion method for food metal content detection - Google Patents
Digestion device and digestion method for food metal content detection Download PDFInfo
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- CN115561058B CN115561058B CN202211553039.7A CN202211553039A CN115561058B CN 115561058 B CN115561058 B CN 115561058B CN 202211553039 A CN202211553039 A CN 202211553039A CN 115561058 B CN115561058 B CN 115561058B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/40—Concentrating samples
- G01N1/4044—Concentrating samples by chemical techniques; Digestion; Chemical decomposition
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- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/02—Feed or outlet devices; Feed or outlet control devices for feeding measured, i.e. prescribed quantities of reagents
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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- G01N25/4873—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on solution, sorption, or a chemical reaction not involving combustion or catalytic oxidation for a flowing, e.g. gas sample
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N7/00—Analysing materials by measuring the pressure or volume of a gas or vapour
- G01N7/14—Analysing materials by measuring the pressure or volume of a gas or vapour by allowing the material to emit a gas or vapour, e.g. water vapour, and measuring a pressure or volume difference
- G01N7/18—Analysing materials by measuring the pressure or volume of a gas or vapour by allowing the material to emit a gas or vapour, e.g. water vapour, and measuring a pressure or volume difference by allowing the material to react
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Abstract
The invention relates to the technical field of food metal content detection, in particular to a digestion device and a digestion method for food metal content detection, which comprise a bottom plate, wherein two groups of symmetrically arranged support rods are fixedly arranged in the middle of the top end of the bottom plate, a digestion assembly for containing a solution is rotatably arranged between the support rods, and a liquid guide assembly for controlling a solution guide process is arranged in the digestion assembly; the top one side fixed mounting of bottom plate has the electronic slip table of vertical setting, just slip table one side of electronic slip table articulate have one end with clear up subassembly side articulated deflection pole, and then effective control clears up the subassembly and deflects and rock, ensures that inside food disintegrating slag dissolves the homogeneous state in solution. The invention can analyze according to the physicochemical characteristics generated by the reaction of the metal components in the food sample and the acid-base solution, thereby ensuring that the amount of the added acid-base solution is effectively controlled, avoiding excessive addition and ensuring the internal actual environment.
Description
Technical Field
The invention relates to the technical field of food metal content detection, in particular to a digestion device and a digestion method for food metal content detection.
Background
Digestion, also called wet digestion, is a method of destroying organic matters or reducing substances in a sample by using acid liquor or alkali liquor under a heating condition. Commonly used acidolysis systems are: nitric acid-sulfuric acid, nitric acid-perchloric acid, hydrofluoric acid, hydrogen peroxide, and the like; caustic soda solution is commonly used for alkaline hydrolysis. Digestion may be carried out in a crucible (made of nickel, made of polytetrafluoroethylene) or in a high-pressure digestion tank.
The metal content in the food affects the physical health of people to a great extent, when the metal content in the food exceeds the standard, discomfort of people can be caused, organ failure and various complications can be caused, and the physical and mental health of people can be threatened greatly, so that the metal content in the food is necessary to be detected.
However, in the process of detecting the metal ion content of food, it is generally necessary to digest the metal components in the food into a solution and then measure them by a spectroscopic instrument or the like. However, because the metal content in the food is unknown, in the actual digestion process, the amount of the added acid-base solution is not easy to be controlled when the acid-base solution is added, and the acid-base value of the solution prepared subsequently is influenced, so that the whole solution and the subsequent monitoring process are influenced. Therefore, the digestion device and the digestion method for detecting the metal content of the food are provided.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a digestion device and a digestion method for food metal content detection.
In order to achieve the purpose, the invention adopts the following technical scheme:
a digestion device for food metal content detection comprises a bottom plate, wherein two groups of symmetrically arranged support rods are fixedly installed in the middle of the top end of the bottom plate, a digestion assembly for containing a solution is rotatably arranged between the support rods, and a liquid guide assembly for controlling a solution guide process is arranged in the digestion assembly;
the top one side fixed mounting of bottom plate has the electronic slip table of vertical setting, just slip table one side of electronic slip table articulated have one end with clear up subassembly side articulated deflection pole, and then effective control clears up the subassembly and deflects and rock, ensures that inside food piece dissolves the homogeneous state in solution, provides effective facility for clearing up the process.
As an preferred technical scheme of this application, clear up the subassembly include with the bracing piece rotates the container of clearing up of connecting, the bottom of clearing up the container is hemispherical, and its top sets up for the opening, clear up the top of container and install the roof at the opening part, the axle center department of roof wears to be equipped with the drain subassembly, the bottom of drain subassembly with clear up the bottom inner wall conflict of container, guarantee the direct bottom such as the acid-base solution that is used for clearing up, participate in the reaction better, improve and clear up the process.
As an optimal technical scheme of this application, drain subassembly includes fixed mounting clear up the inside drain mechanism of container, drain mechanism includes the catheter, the inside of catheter is rotated and is equipped with the transport auger, just the bottom opening part of catheter rotate be equipped with the anastomotic drain ball of the inside cross section of drain, just the drain ball with clear up conflict between the bottom inner wall of container, the drain ball upper surface is equipped with the drain recess, and then under the rotation of drain ball for the acid-base solution that carries the auger to lead and send can progressively slowly add to clear up the container inside under the continuous upset effect of drain recess, avoids adding excessively, influences the acid-base degree of solution.
As a preferred technical scheme of the application, linkage rods are arranged on the upper and lower parts of the side surface of the liquid guide tube in a penetrating and rotating manner, and the linkage rod positioned below is coaxially connected with the liquid guide ball and used for realizing the stable rotation of the liquid guide ball and ensuring the effective guiding of acid and alkali liquid;
the gangbar that is located the top runs through and stretches into the inside one end of drain with the linkage bevel gear of intermeshing is all installed on the outside upper portion of carrying the auger, just the side of drain is equipped with the connection cover, the motor of output shaft and the gangbar coaxial coupling that is located the top is installed on the inboard upper portion of connection cover, and then effective drive carries the auger rotation, realizes the leading of acid-base liquid and send.
As an optimal technical scheme of this application, the gangbar is located the equal coaxial coupling of the part tip of connecting the cover inboard has the belt pulley, and the outside cover of two sets of belt pulleys is equipped with same group drive belt, and then indirectly drives the rotation of leading the liquid ball, ensures effectively leading of acid-base liquid and send, and the control is led and is sent the process, avoids taking place the phenomenon of excessive addition.
As a preferred technical scheme of this application, the top of roof is installed with the singlechip that the motor electricity is connected, and then control the rotation of motor, add the solution to inside and carry out better control.
As a preferred technical scheme of the application, an air pressure sensor is installed on the upper side inside the digestion container and is electrically connected with the single chip microcomputer, and a pressure release valve communicated with the inside of the digestion container is installed on the top plate and is used for balancing air pressure, so that the process of guiding and conveying acid-base liquid by the liquid guide assembly is controlled according to the change of the internal air pressure caused by gas generated by the reaction condition inside the digestion container;
the side lower part of drain subassembly be equipped with the temperature sensor that the singlechip electricity is connected for to monitoring the bottom temperature change of digesting the container, guarantee to have the heat production condition of digesting the process and monitor, and then know the degree of digesting inside better, conveniently control the addition of drain subassembly to the acid-base solution of participation.
As an optimal technical scheme of this application, drain subassembly runs through and extends to the stock solution container has been cup jointed to the part in the roof top outside for hold the acid-base liquid of digesting the process, just stock solution container's outside lower part is equipped with control flap, further controls the leading of acid-base liquid.
As an optimal technical scheme of this application, the outside lower part cover of clearing up the container is equipped with the heating mantle, just the inboard of heating mantle is equipped with the cover and establishes clearing up the heating coil of container outside lower part for to clearing up the container and carrying out the intensification processing when needing, improve and clear up the process.
A digestion method of a digestion device for food metal content detection comprises the following steps:
step S1, firstly, crushing a food sample to be digested, diluting the food sample into a water aqua, placing the food sample into a digestion container, and connecting a liquid storage container with the top end of a liquid guide assembly;
s2, opening a control valve on the liquid storage container to enable acid-base solution in the liquid storage container to be filled into the liquid guiding assembly and to be separated under the action of the conveying auger;
s3, starting the motor to enable the linkage rod to rotate, further enabling the belt pulley to drive the transmission belt to rotate, further enabling the linkage rod below to synchronously drive the liquid guide ball to rotate, and enabling the acid-base solution to enter the digestion container under the action of the liquid guide groove in the liquid guide ball to participate in reaction with metal ions in the food sample solution;
s4, in the reaction process, if gas is generated, increasing the air pressure in the digestion container, further effectively monitoring the change of the air pressure in the digestion container under the action of an air pressure sensor, if the air pressure is continuously increased, indicating that gas is still generated, continuously adding an acid-base solution, further controlling a motor to continuously rotate through a single chip microcomputer, continuously guiding the acid-base solution into the digestion container to participate in the reaction, controlling the motor to stop rotating until the air pressure value detected by the air pressure sensor tends to be stable due to no gas generation, suspending the guiding of the acid-base solution, avoiding excessive guiding of the acid-base solution, and then effectively balancing the air pressure in the digestion container through a pressure release valve;
in the reaction process, if gas is not generated and the heat generation phenomenon occurs, the temperature sensor is used for monitoring, so that the temperature is raised by generating heat after the acid-base solution guided out from the bottommost part reacts, and the temperature sensor indirectly controls the rotation of the motor through the single chip microcomputer according to the temperature rise, the purpose of adding and controlling the acid-base solution is achieved, and the phenomenon of excessive introduction is effectively avoided.
The beneficial effects of the invention are as follows:
1. in the actual use process, whether the internal digestion process is completely judged according to the characteristics of the reaction of the acid-base solution participating in the digestion process and the metal ions in the food sample, such as heat release or gas generation and other phenomena, so that the addition of the acid-base solution is better controlled, the phenomenon of excessive solution addition is avoided, the actual internal environment in the digestion process and the acid-base degree of the digested metal solution are ensured, and the rigidness of the preparation process is ensured;
2. through the setting of drain subassembly, the cooperation singlechip, further add to participating in the acid-base solution of digesting the process and carry out effective control, and the setting of drain ball for the add of acid-base solution presents the trend of small amount multitime, and then ensures the addition ground better and controls, carries out effective assurance for the metal solution of actual configuration.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the digestion assembly of the present invention;
FIG. 3 is a schematic illustration in partial cross-sectional configuration of the digestion assembly of the present invention;
FIG. 4 is a schematic illustration in partial cross-sectional configuration of an digestion vessel of the present invention;
FIG. 5 is a schematic view of the liquid guiding assembly of the present invention;
FIG. 6 is an enlarged view of the structure at A in FIG. 5 according to the present invention;
FIG. 7 is a schematic cross-sectional view of the fluid-directing mechanism of the present invention;
fig. 8 is a schematic structural view of the liquid guide ball of the present invention.
In the figure: 1. a base plate; 2. a support bar; 3. a digestion assembly; 31. a heating mantle; 32. a digestion vessel; 33. a top plate; 34. a reservoir; 35. a single chip microcomputer; 36. a pressure relief valve; 37. a heating coil; 38. a liquid guiding component; 381. a liquid guiding mechanism; 3811. a catheter; 3812. conveying the auger; 3813. linking the bevel gear; 3814. a liquid guiding ball; 382. a connecting cover; 383. an electric motor; 384. a linkage rod; 385. a transmission belt; 39. an air pressure sensor; 310. a temperature sensor; 4. an electric sliding table; 5. a deflection bar.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 and 4, a digestion device for detecting metal content in food comprises a bottom plate 1, wherein two groups of symmetrically arranged support rods 2 are fixedly arranged in the middle of the top end of the bottom plate 1, a digestion assembly 3 for containing solution is rotatably arranged between the support rods 2, and a liquid guide assembly 38 for controlling the solution guide process is arranged in the digestion assembly 3;
the top one side fixed mounting of bottom plate 1 has the electronic slip table 4 of vertical setting, and slip table one side of electronic slip table 4 articulates there is one end and clears up 3 side articulated deflection poles 5 of subassembly, and then effective control clears up subassembly 3 and deflects and rock, ensures that inside food piece dissolves the homogeneous state in solution, provides effective facility for clearing up the process.
Referring to fig. 2-4, the digestion assembly 3 comprises a digestion container 32 rotatably connected with the support rod 2, the bottom end of the digestion container 32 is hemispherical, the top end of the digestion container is provided with an opening, a top plate 33 is arranged at the opening at the top end of the digestion container 32, a liquid guide assembly 38 is arranged at the axis of the top plate 33 in a penetrating manner, the bottom end of the liquid guide assembly 38 is abutted against the inner wall of the bottom end of the digestion container 32, the acid-base solution for digestion and the like are guaranteed to directly reach the bottom, the reaction is well participated in, and the digestion process is improved.
The heating cover 31 is sleeved on the lower portion of the outer side of the digestion container 32, and the heating coil 37 sleeved on the lower portion of the outer side of the digestion container 32 is arranged on the inner side of the heating cover 31 and used for heating the digestion container 32 when needed, so that the digestion process is improved.
Referring to fig. 5-7, the liquid guiding assembly 38 includes a liquid guiding mechanism 381 fixedly installed inside the digestion container 32, the liquid guiding mechanism 381 includes a liquid guiding tube 3811, a conveying auger 3812 is rotatably installed inside the liquid guiding tube 3811, a liquid guiding ball 3814 matched with the internal cross section of the liquid guiding tube 3811 is rotatably installed at the bottom opening of the liquid guiding tube 3811, the liquid guiding ball 3814 is abutted against the bottom inner wall of the digestion container 32, a liquid guiding groove is formed in the upper surface of the liquid guiding ball 3814, and under the rotation of the liquid guiding ball 3814, the acid-base solution conveyed by the conveying auger 3812 can be gradually and slowly added into the digestion container 32 under the continuous overturning effect of the liquid guiding groove, so that excessive addition is avoided, and the acid-base degree of the solution is not affected.
The upper and lower parts of the side surface of the catheter 3811 are respectively provided with a linkage rod 384 in a penetrating and rotating manner, and the linkage rod 384 positioned below is coaxially connected with the liquid guiding ball 3814, so that the stable rotation of the liquid guiding ball 3814 is realized, and the effective guiding and conveying of acid and alkali liquid are ensured;
the linkage rod 384 positioned above penetrates through one end extending into the liquid guide tube 3811 and the upper part of the outer side of the conveying auger 3812, and is provided with a linkage bevel gear 3813 which is meshed with each other, a connection cover 382 is arranged on the side surface of the liquid guide tube 3811, and an electric motor 383, the output shaft of which is coaxially connected with the linkage rod 384 positioned above, is arranged on the upper part of the inner side of the connection cover 382, so that the conveying auger 3812 is effectively driven to rotate, and the acid and alkali liquid is conveyed.
The part of the end part of the linkage rod 384 which is positioned at the inner side of the connecting cover 382 is coaxially connected with belt pulleys, the outer side of the two groups of belt pulleys is sleeved with the same group of transmission belts 385, and then the liquid guide balls 3814 are indirectly driven to rotate, so that the effective guide of acid and alkali liquid is ensured, the guide process is controlled, and the phenomenon of excessive addition is avoided.
The top end of the top plate 33 is provided with a single chip microcomputer 35 electrically connected with the motor 383, so that the rotation of the motor 383 is controlled, and the addition of the solution inside is better controlled.
An air pressure sensor 39 is arranged on the upper side inside the digestion container 32, the air pressure sensor 39 is electrically connected with the single chip microcomputer 35, a pressure release valve 36 communicated with the inside of the digestion container 32 is arranged on the top plate 33 and used for balancing air pressure, and therefore the process of guiding the acid-base liquid by the liquid guiding assembly 38 is controlled according to the change of the internal air pressure caused by the gas generated by the internal reaction condition;
the side lower part of drain subassembly 38 is equipped with the temperature sensor 310 that is connected with singlechip 35 electricity for bottom temperature change to digesting container 32 monitors, guarantees to have the heat production condition of digesting the process time to monitor, and then understands the degree of digesting inside better, conveniently controls the interpolation of drain subassembly 38 to the acid-base solution of participation.
The part of the liquid guiding component 38 extending to the outside of the top plate 33 is sleeved with the liquid storage container 34 for containing acid-base liquid in the digestion process, and the lower part of the outside of the liquid storage container 34 is provided with a control valve for further controlling the guiding and conveying of the acid-base liquid.
A digestion method of a digestion device for food metal content detection comprises the following steps:
step S1, firstly, crushing a food sample to be digested, diluting the food sample into an aqueous solution, placing the food sample into a digestion container 32, and connecting a liquid storage container 34 with the top end of a liquid guide assembly 38;
s2, opening a control valve on the liquid storage container 34 to enable acid-base solution in the liquid storage container 34 to be filled into the liquid guiding assembly 38, and separating under the action of the conveying auger 3812;
step S3, by starting the motor 383, the linkage rod 384 rotates, so that the belt pulley drives the transmission belt 385 to rotate, the linkage rod 384 below synchronously drives the liquid guide ball 3814 to rotate, and the acid-base solution is guided into the digestion container 32 under the action of the liquid guide groove on the liquid guide ball 3814 to participate in reaction with metal ions in the food sample solution;
step S4, in the reaction process, if gas is generated, the air pressure in the digestion container 32 is increased, then the change of the internal air pressure is effectively monitored under the action of the air pressure sensor 39, if the air pressure is continuously increased, it is indicated that gas is still generated, the acid-base solution needs to be continuously added, then the single chip microcomputer 35 controls the motor 383 to continuously rotate, so that the acid-base solution is continuously guided into the interior to participate in the reaction, and after the air pressure value detected by the air pressure sensor 39 tends to be stable due to no gas generation, the motor 383 is controlled to stop rotating, the guiding of the acid-base solution is suspended, the excessive guiding of the acid-base solution is avoided, and then the internal air pressure is effectively balanced through the pressure release valve 36;
in the reaction process, if gas is not generated and heat is generated, the temperature sensor 310 monitors the acid-base solution conducted from the bottommost part to generate heat after reaction so as to raise the temperature, and the temperature sensor 310 indirectly controls the rotation of the motor 383 through the single chip microcomputer 35 according to whether the temperature rises or not, so that the purpose of adding and controlling the acid-base solution is achieved, and the phenomenon of excessive introduction is effectively avoided.
Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A digestion device for food metal content detection comprises a bottom plate (1), and is characterized in that two groups of symmetrically arranged support rods (2) are fixedly installed in the middle of the top end of the bottom plate (1), a digestion assembly (3) for containing a solution is rotatably arranged between the support rods (2), and a liquid guide assembly (38) for controlling a solution guide process is arranged in the digestion assembly (3);
an electric sliding table (4) which is vertically arranged is fixedly installed on one side of the top end of the bottom plate (1), and a deflection rod (5) with one end hinged with the side face of the digestion assembly (3) is hinged to one side of the sliding table of the electric sliding table (4), so that the digestion assembly (3) is effectively controlled to deflect and rock, the uniform state that internal food scraps are dissolved in a solution is ensured, and effective convenience is provided for the digestion process;
the digestion assembly (3) comprises a digestion container (32) rotatably connected with the supporting rod (2), the bottom end of the digestion container (32) is hemispherical, the top end of the digestion container is provided with an opening, a top plate (33) is arranged at the opening at the top end of the digestion container (32), a liquid guide assembly (38) penetrates through the axis of the top plate (33), and the bottom end of the liquid guide assembly (38) is abutted to the inner wall of the bottom end of the digestion container (32);
drain subassembly (38) including fixed mounting clear up inside drain mechanism (381) of container (32), drain mechanism (381) includes catheter (3811), the inside rotation of catheter (3811) is equipped with carries auger (3812), just the bottom opening part rotation of catheter (3811) be equipped with catheter (3811) inside identical drain ball (3814) of cross section, just drain ball (3814) with clear up contradicting between the bottom inner wall of container (32), drain ball (3814) upper surface is equipped with the drain recess.
2. The digestion device for detecting the metal content in the food according to claim 1, wherein the liquid guide tube (3811) is provided with a linkage rod (384) in a penetrating and rotating manner at the upper and lower parts of the side surface, and the linkage rod (384) positioned at the lower part is coaxially connected with the liquid guide ball (3814);
the utility model provides a joint gear (384) that are located the top run through and stretch into catheter (3811) inside one end with carry the outside upper portion of auger (3812) and all install intermeshing's linkage bevel gear (3813), just the side of catheter (3811) is equipped with connecting cover (382), connecting cover (382) inboard upper portion is installed the output shaft and is located joint gear (384) coaxial coupling's of top motor (383).
3. The digestion apparatus for metal content detection of food according to claim 2, wherein the linkage rod (384) is coaxially connected with belt pulleys at the end part of the inner side of the connection cover (382), and the outer side of the two groups of belt pulleys is sleeved with the same group of transmission belt (385).
4. The digestion device for detecting the metal content of food according to claim 3, wherein a single chip microcomputer (35) electrically connected with the motor (383) is mounted at the top end of the top plate (33).
5. The digestion device for detecting the metal content of the food according to the claim 4, characterized in that the upper side inside the digestion container (32) is provided with an air pressure sensor (39), the air pressure sensor (39) is electrically connected with the single chip microcomputer (35), and the top plate (33) is provided with a pressure relief valve (36) communicated with the inside of the digestion container (32);
and a temperature sensor (310) electrically connected with the single chip microcomputer (35) is arranged at the lower part of the side surface of the liquid guide assembly (38).
6. The digestion device for metal content detection of food products according to claim 5, wherein the liquid guide component (38) is sleeved with a liquid storage container (34) through a part extending to the outside of the top plate (33), and a control valve is arranged at the lower part of the outside of the liquid storage container (34).
7. A digestion device for metal content detection of food according to claim 6, characterized in that the lower part of the outside of the digestion vessel (32) is sleeved with a heating cover (31), and the inside of the heating cover (31) is provided with a heating coil (37) sleeved on the lower part of the outside of the digestion vessel (32).
8. A digestion method of the digestion device for food metal content detection according to any one of claims 1 to 7, characterized by comprising the following steps:
step S1, firstly, crushing a food sample to be digested, diluting the food sample into an aqueous solution, placing the food sample into a digestion container (32), and connecting a liquid storage container (34) with the top end of a liquid guide assembly (38);
s2, opening a control valve on the liquid storage container (34) to enable acid-base solution in the liquid storage container (34) to be filled into the liquid guiding assembly (38), and separating under the action of the conveying auger (3812);
s3, starting the motor (383) to enable the linkage rod (384) to rotate, further enabling the belt pulley to drive the transmission belt (385) to rotate, further enabling the linkage rod (384) below to synchronously drive the liquid guide ball (3814) to rotate, and enabling the acid-base solution to enter the digestion container (32) under the action of the liquid guide groove in the liquid guide ball (3814) to participate in reaction with metal ions in the food sample solution;
s4, in the reaction process, if gas is generated, the air pressure in the digestion container (32) is increased, then the change of the air pressure in the digestion container is effectively monitored under the action of the air pressure sensor (39), if the air pressure is continuously increased, the generation of the gas is indicated, the acid-base solution is required to be continuously added, then the single chip microcomputer (35) is used for controlling the motor (383) to continuously rotate, so that the acid-base solution is continuously conveyed into the interior to participate in the reaction, and after the gas is not generated, the air pressure value detected by the air pressure sensor (39) tends to be stable, the motor (383) is controlled to stop rotating, the conveyance of the acid-base solution is suspended, the excessive introduction of the acid-base solution is avoided, and then the air pressure in the digestion container is effectively balanced through the pressure release valve (36);
in the reaction process, if gas is not generated and heat is generated, the temperature sensor (310) is used for monitoring, the acid-base solution guided out from the bottommost part is heated after reaction to enable the temperature to rise, and then the temperature sensor (310) indirectly controls the rotation of the motor (383) through the single chip microcomputer (35) according to whether the temperature rises or not, so that the purpose of adding and controlling the acid-base solution is achieved, and the phenomenon of excessive introduction is effectively avoided.
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| CN202211553039.7A CN115561058B (en) | 2022-12-06 | 2022-12-06 | Digestion device and digestion method for food metal content detection |
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| CN202211553039.7A CN115561058B (en) | 2022-12-06 | 2022-12-06 | Digestion device and digestion method for food metal content detection |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1673151A1 (en) * | 1966-08-19 | 1972-01-20 | Technicon Instr | Automatic analyzer |
| US5536875A (en) * | 1994-05-11 | 1996-07-16 | Praxair Technology, Inc. | Enhanced oxidation of organic chemicals |
| CN207215565U (en) * | 2017-08-31 | 2018-04-10 | 中霖中科环境科技（安徽）股份有限公司 | A kind of automatic digestion instrument of drinking water |
| CN208357173U (en) * | 2018-04-20 | 2019-01-11 | 天津昌润鹏科技有限公司 | Anti- precipitating lustration type drain connector |
| CN211235782U (en) * | 2019-12-31 | 2020-08-11 | 柳州东风容泰化工股份有限公司 | Hydrogen peroxide solution effluent detection device |
| CN212301081U (en) * | 2020-04-24 | 2021-01-05 | 山东华度检测有限公司 | Device for digesting water sample |
| CN112415183A (en) * | 2020-11-20 | 2021-02-26 | 齐鲁理工学院 | Biochemical analysis device convenient to maintain |
| CN213749211U (en) * | 2020-10-15 | 2021-07-20 | 程宇翔 | Special sampling device for food detection |
| CN215179102U (en) * | 2021-04-16 | 2021-12-14 | 肥城润硕经贸有限公司 | Quick digestion device of limestone sample |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITTO20111231A1 (en) * | 2011-12-29 | 2013-06-30 | Surgika S R L | DRAINAGE SYSTEM OF BODY FLUIDS |
| CN213275526U (en) * | 2020-11-18 | 2021-05-25 | 曹楠 | Feed nutrition component detection device |
-
2022
- 2022-12-06 CN CN202211553039.7A patent/CN115561058B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1673151A1 (en) * | 1966-08-19 | 1972-01-20 | Technicon Instr | Automatic analyzer |
| US5536875A (en) * | 1994-05-11 | 1996-07-16 | Praxair Technology, Inc. | Enhanced oxidation of organic chemicals |
| CN207215565U (en) * | 2017-08-31 | 2018-04-10 | 中霖中科环境科技（安徽）股份有限公司 | A kind of automatic digestion instrument of drinking water |
| CN208357173U (en) * | 2018-04-20 | 2019-01-11 | 天津昌润鹏科技有限公司 | Anti- precipitating lustration type drain connector |
| CN211235782U (en) * | 2019-12-31 | 2020-08-11 | 柳州东风容泰化工股份有限公司 | Hydrogen peroxide solution effluent detection device |
| CN212301081U (en) * | 2020-04-24 | 2021-01-05 | 山东华度检测有限公司 | Device for digesting water sample |
| CN213749211U (en) * | 2020-10-15 | 2021-07-20 | 程宇翔 | Special sampling device for food detection |
| CN112415183A (en) * | 2020-11-20 | 2021-02-26 | 齐鲁理工学院 | Biochemical analysis device convenient to maintain |
| CN215179102U (en) * | 2021-04-16 | 2021-12-14 | 肥城润硕经贸有限公司 | Quick digestion device of limestone sample |
Non-Patent Citations (2)
| Title |
|---|
| Venturing into In Vitro Physiological Upper GI System Venturing into In Vitro Physiological Upper GI System Rat Stomach Mode;Liding Chen et al;《Food Dig.》;20131231;第36-48页 * |
| 螺旋形引流管在胸腔闭式引流术中的应用;陈溉 等;《四川医学》;20021231;第23卷(第8期);第88-89页 * |
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