Environmental sample digestion instrument

Abstract

The invention relates to an environmental sample digestion instrument which comprises a box body, the top end of the box body is provided with a box cover, the inner bottom end face of the box body is provided with a sealing box, and the side wall of the sealing box is provided with a plurality of openings; the middle ends of the disturbance abutting rods penetrate through the opening and are rotationally arranged on the sealing box, and the middle ends of the disturbance abutting rods are connected with the sealing box through a sealing folding cover; the vertical temperature difference of liquid near each digestion test tube can be shortened, the temperatures of the liquid near the digestion test tubes cannot be close, the digestion preparation time of environmental samples in the digestion test tubes can be shortened, and synchronous digestion of the environmental samples in the digestion test tubes can be ensured; and synchronous digestion of environmental samples at different heights in the digestion test tube can be ensured.

Description

Technical Field

[0001] The invention relates to the field of digestion instruments, in particular to an environmental sample digestion instrument. Background Art

[0002] The digester is a commonly used environmental sample pretreatment equipment. According to the degree of automation, it can be divided into semi-automatic digesters and fully automatic digesters. According to the principle, it can be divided into electric heating digesters and microwave digesters. Both have relatively mature products and are widely used.

[0003] Existing digestion instruments are unable to shorten the vertical temperature difference of the liquid near each digestion test tube and cannot make the temperature of the liquid near several digestion test tubes close to each other. They are unable to reduce the digestion preparation time for the environmental samples in several digestion test tubes, cannot ensure the synchronous digestion of the environmental samples in several digestion test tubes, and cannot ensure the synchronous digestion of environmental samples at different heights in the digestion test tubes. It is impossible to disperse, mix and heat the environmental samples in several digestion test tubes evenly, it is impossible to digest the environmental samples in several digestion test tubes more quickly and fully within a limited time, and it is impossible to improve the digestion efficiency and quality of the environmental samples in several digestion test tubes within a limited time.

[0004] The purpose of this invention is to design an environmental sample digestion instrument to solve the above problems in the prior art. Summary of the Invention

[0005] In view of the problems existing in the above-mentioned prior art, the present invention provides an environmental sample digestion instrument, which can effectively solve at least one problem existing in the above-mentioned prior art.

[0006] The technical solution of the present invention is: An environmental sample digestion instrument, comprising: A box body, wherein a box cover is provided on the top end of the box body, a sealed box is provided on the inner bottom end surface of the box body, and a plurality of openings are provided on the side wall of the sealed box; A plurality of disturbance abutting rods, wherein the middle ends of the disturbance abutting rods pass through the opening and are rotatably disposed on the sealing box, and the middle ends of the disturbance abutting rods are connected to the sealing box via a sealing folding cover; Several suspension rings, each of which is provided on the sealed box and located directly above the other end of the disturbance abutting rod; two abutting balls are symmetrically provided inside the suspension ring and directly above the other end of the disturbance abutting rod; the abutting balls are connected to the suspension ring via a compression spring; a digestion test tube is provided between the two abutting balls; a concave surface is provided on the end surface of the digestion test tube facing the abutting balls, and the abutting balls are located within the concave surface; A periodic disturbance support seat is provided in the sealed box and is located above one end of the plurality of disturbance support rods. A first driving device is provided between the periodic disturbance support seat and the sealed box. A heating device is provided in the bottom end of the box and outside the sealed box. The periodic disturbance abutment seat is used to be driven to periodically abut one end of a plurality of disturbance abutting rods when the heating device heats the liquid, and stops when the temperature of the liquid and the heating temperature of the heating device are within a predetermined range, so that the other ends of the plurality of disturbance abutting rods periodically tilt upward to disturb the liquid; The periodic disturbance support seat is used to periodically push down and push against one end of several disturbance support rods when the temperature of the liquid and the heating temperature of the heating device are within a predetermined range, so that the other ends of the several disturbance support rods can be tilted upward to push against several digestion test tubes and disturb the liquid. Every time the digestion test tube is tilted upward to push against the other end of the disturbance support rod, the environmental sample in the digestion test tube becomes loose and displaced. Every time the digestion test tube is tilted upward to push against the other end of the disturbance support rod, it shakes back and forth under the cooperation of the suspension ring, compression spring, support ball and concave surface.

[0007] Furthermore, a plurality of the suspension rings are arranged on the sealing box via a connecting frame, and a second driving device is provided between the connecting frame and the sealing box; The second driving device is used to drive the connecting frame to rise before the heating device heats the liquid and the multiple digestion test tubes are manually operated to accommodate the digestion reagent and the environmental samples to be digested, and at the same time drive the multiple digestion test tubes to rise to a predetermined position, so as to prevent the environmental samples in the multiple digestion test tubes from being digested without shortening the vertical temperature difference of the liquid and balancing the temperature of the liquid during the period when the multiple digestion test tubes are manually operated to accommodate the digestion reagent and the environmental samples to be digested, so that the multiple digestion test tubes can be quickly and conveniently manually operated to accommodate the digestion reagent and the environmental samples to be digested.

[0008] Furthermore, the second driving device includes a second telescopic member, which is arranged at the inner top of the sealing box, the telescopic end of the second telescopic member passes through the top surface of the sealing box, and the top surface of the sealing box and the telescopic end of the second telescopic member are connected through a sealing ring.

[0009] Furthermore, two fixed pre-rail blocks are symmetrically arranged inside the suspension ring, the fixed pre-rail blocks are located outside the digestion tube, the fixed pre-rail blocks are located between the two abutting balls, and the fixed pre-rail blocks are connected to the suspension ring via a third telescopic member; The two limiting pre-rail blocks are used to be driven to press against the surfaces of the digestion tubes when the second driving device drives the plurality of digestion tubes to rise to a predetermined position, so as to keep the digestion tubes fixed in a limited position during the period when the digestion tubes are manually operated to accommodate the digestion reagents and the environmental samples to be digested; The two fixed pre-rail blocks are used to be driven to move to a predetermined position during the reciprocating rocking of the digestion tube by the hanging ring, compression spring, abutment ball and concave surface, so as to allow the digestion tube to rock back and forth along a predetermined trajectory before the other end of the abutment rod tilts upward to abut against the digestion tube when the digestion tube is disturbed next time.

[0010] Furthermore, a quick-return anti-involvement block is provided on the bottom end surface of the other end of the disturbance abutting rod; The quick-reset anti-interference block is used to accelerate the resetting of the other end of the disturbance resisting rod after the periodic disturbance resisting seat resists one end of the disturbance resisting rod, so as to prevent the other end of the disturbance resisting rod from interfering with the digestion test tube after the other end of the disturbance resisting rod resists the digestion test tube, thereby preventing the digestion test tube from shaking back and forth.

[0011] Furthermore, the first driving device includes a first telescopic member, which is arranged on the inner bottom end surface of the sealing box, and the telescopic end of the first telescopic member is connected to the bottom end surface of the periodic interference seat; the heating device is an annular semiconductor heating plate.

[0012] Furthermore, a drain pipe with a valve is provided at the bottom end of the box body, and a heat insulation layer and a sound insulation layer are provided on the inner wall of the box body from the outside to the inside. Several ultrasonic transducers are provided on the sound insulation layer, and a temperature sensor is provided on the sound insulation layer.

[0013] Furthermore, a gas purification device is provided on the box cover, which is used to purify the generated gas step by step during the digestion of environmental samples in several digestion test tubes and discharge the purified gas to the outside of the digestion instrument. The gas purification device is used to follow the movement when the box cover rotates on the box body.

[0014] Furthermore, the gas purification device includes a vent hole, which is arranged on the top surface of the box cover, a vent box is provided on the top surface of the box cover and outside the vent hole, a step-by-step purification component is provided inside the vent box, and a micro air pump is provided inside the box cover and on one side of the vent hole; a first connecting pipe, one end of the first connecting pipe is connected to the vent box, and the other end of the first connecting pipe passes through the box cover and is connected to the inlet of the micro air pump; a second connecting pipe, one end of the second connecting pipe is connected to the outlet of the micro air pump, and the other end of the second connecting pipe passes through the box cover, and the front end surface of the box cover is provided with an air pressure balance hole.

[0015] Furthermore, the step-by-step purification component includes a drying plate, which is arranged inside the ventilation box. A first purification plate is arranged inside the ventilation box and above the drying plate. A second purification plate is arranged inside the ventilation box and above the first purification plate. The specifications of the drying plate are larger than those of the first purification plate, and the specifications of the first purification plate are larger than those of the second purification plate.

[0016] Therefore, the present invention provides the following effects and / or advantages: 1) The box cover is used to rotate to no longer close the box body after being manually operated. The box body is used to contain a predetermined amount of liquid, which is water, after the box cover is manually operated. The heating device is used to generate heat to a predetermined temperature when the box body contains the predetermined amount of liquid, so as to continuously heat the liquid. The plurality of digestion tubes are used to contain digestion reagents and environmental samples to be digested under manual operation when the heating device heats the liquid. The box cover is used to rotate to close the box body after being manually operated after the plurality of digestion tubes contain digestion reagents and environmental samples to be digested.

[0017] The periodic disturbance support seat is used to be driven to periodically push down and simultaneously push against one end of several disturbance support rods when the heating device heats the liquid, and stop when the temperature of the liquid and the heating temperature of the heating device are within a predetermined range, so that the other ends of the several disturbance support rods can be tilted upward to disturb the liquid periodically, thereby accelerating the heating speed of the heating device for the liquid, quickly shortening the vertical temperature difference of the liquid and making the temperature of the liquid more balanced faster, thereby shortening the vertical temperature difference of the liquid near each digestion test tube and making the temperature of the liquid near several digestion test tubes close, reducing the digestion preparation time for the environmental samples in the several digestion test tubes, and ensuring that the environmental samples in the several digestion test tubes are digested synchronously, and ensuring that the environmental samples at different heights in the digestion test tubes are digested synchronously; The periodic disturbance support seat is used to periodically push down and push against one end of several disturbance push rods when the temperature of the liquid and the heating temperature of the heating device are within a predetermined range, so that the other ends of the several disturbance push rods periodically tilt upward to push against several digestion test tubes and disturb the liquid. Every time the digestion test tube is pushed against by the other end of the disturbance push rod, the environmental sample in the digestion test tube becomes loose and displaced. Every time the digestion test tube is pushed against by the other end of the disturbance push rod, it is shaken back and forth with the cooperation of the hanging ring, compression spring, push ball and concave surface, so that the environmental samples in the several digestion test tubes are dispersed, mixed and heated evenly, so that the digestion of the environmental samples in the several digestion test tubes is faster and more sufficient within a limited time, thereby improving the digestion efficiency and quality of the environmental samples in the several digestion test tubes within a limited time.

[0018] The first driving device is used to drive the periodic interference seat to move, and the sealing folding cover is used to prevent the liquid from entering the interior of the sealed box through the opening after the box body contains a predetermined amount of liquid, which would cause the first driving device to be unable to drive the periodic interference seat to move.

[0019] To sum up: the vertical temperature difference of the liquid near each digestion test tube can be shortened and the temperature of the liquid near several digestion test tubes cannot be close, the digestion preparation time of the environmental samples in several digestion test tubes can be reduced, the environmental samples in several digestion test tubes can be ensured to be digested synchronously, and the environmental samples at different heights in the digestion test tubes can be ensured to be digested synchronously; the environmental samples in several digestion test tubes can be dispersed, mixed and heated evenly, the environmental samples in several digestion test tubes can be digested more quickly and fully within a limited time, and the digestion efficiency and quality of the environmental samples in several digestion test tubes can be improved within a limited time.

[0020] 2) The second driving device is used to drive the connecting frame to rise and simultaneously drive the plurality of digestion tubes to a predetermined position before the heating device heats the liquid and the plurality of digestion tubes are manually operated to accommodate the digestion reagents and the environmental samples to be digested, so as to prevent the environmental samples in the plurality of digestion tubes from being digested without shortening the vertical temperature difference of the liquid and balancing the temperature of the liquid during the period when the plurality of digestion tubes are manually operated to accommodate the digestion reagents and the environmental samples to be digested, thereby ensuring that the environmental samples in the plurality of digestion tubes are digested synchronously and that the environmental samples at different heights in the digestion tubes are digested synchronously, so that the plurality of digestion tubes can be quickly and conveniently manually operated to accommodate the digestion reagents and the environmental samples to be digested, thereby reducing the heat loss caused by the heating device heating the liquid and prolonging the digestion preparation time for the environmental samples in the plurality of digestion tubes, thereby shortening the time when the box cover is not closed again and reducing dust from falling into the box.

[0021] 3) The two limiting pre-rail blocks are used to be driven to press against the surfaces of the digestion test tubes when the second driving device drives the plurality of digestion test tubes to rise to a predetermined position, so as to keep the digestion test tubes in a limited position and fixed during the period when the digestion test tubes are manually operated to accommodate the digestion reagents and the environmental samples to be digested, thereby preventing the digestion test tubes from shaking on the hanging ring during the period when the digestion test tubes are manually operated to accommodate the digestion reagents and the environmental samples to be digested, thereby preventing the digestion test tubes from shaking during the period when the digestion test tubes are manually operated to accommodate the digestion reagents and the environmental samples to be digested, thereby preventing the digestion test tubes from being manually operated to quickly, continuously and accurately add the digestion reagents and the environmental samples to be digested into the digestion test tubes; The two fixed pre-rail blocks are used to be driven to move to a predetermined position during the period when the digestion test tube is reciprocatingly shaken by the hanging ring, compression spring, abutment ball and concave surface, so as to allow the digestion test tube to shake back and forth along a predetermined trajectory before the other end of the abutment rod is tilted upward to abut against the digestion test tube when the digestion test tube is disturbed next time, thereby making the digestion of environmental samples in several digestion test tubes faster and more complete within a limited time, and further improving the digestion efficiency and quality of the environmental samples in several digestion test tubes within a limited time.

[0022] 4) The quick-reset anti-interference block is used to accelerate the resetting of the other end of the disturbance resisting rod after the periodic disturbance resisting seat resists one end of the disturbance resisting rod, so as to prevent the other end of the disturbance resisting rod from interfering with the digestion tube after the other end of the disturbance resisting rod resists the digestion tube, thereby preventing the digestion tube from shaking back and forth.

[0023] Other features and advantages of the present invention will be described in the following description, and in part will become apparent from the description, or understood by practicing the present invention. The purpose and other advantages of the present invention are realized and obtained by the structures particularly pointed out in the description and the drawings.

[0024] It is to be understood that both the foregoing general description and the following detailed description of the present invention are exemplary and explanatory and are intended to provide further explanation of the invention as claimed. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a structural schematic diagram of the present invention.

[0026] Figure 2 To correspond Figure 1 sectional view of .

[0027] Figure 3 To correspond Figure 2 Magnified view of part A.

[0028] Figure 4 It is a structural schematic diagram of the suspension ring, abutting ball, compression spring, digestion test tube, concave surface, limiting pre-rail block, and third telescopic member in the present invention.

[0029] Description of reference numerals: Box body 1, box cover 2, sealed box 3, opening 4, disturbance push rod 5, sealed folding cover 6, hanging ring 7, push ball 8, compression spring 9, digestion test tube 10, concave surface 11, periodic disturbance seat 12, connecting frame 13, second telescopic member 14, sealing ring 15, limited pre-rail block 16, third telescopic member 17, fast recovery anti-involvement block 18, first telescopic member 19, annular semiconductor heating plate 20, drain pipe 21, thermal insulation layer 22, sound insulation layer 23, ultrasonic transducer 24, temperature sensor 25, vent 26, vent box 27, micro air pump 28, first connecting pipe 29, second connecting pipe 30, air pressure balance hole 31, drying plate 32, first purification plate 33, second purification plate 34. DETAILED DESCRIPTION

[0030] In order to facilitate understanding by those skilled in the art, the structure of the present invention is further described in detail with reference to the embodiments and the accompanying drawings: refer to Figure 1-4 , an environmental sample digestion instrument, comprising: A box body 1, a box cover 2 is provided on the top of the box body 1, a sealed box 3 is provided on the inner bottom end surface of the box body 1, and a plurality of openings 4 are provided on the side wall of the sealed box 3; a plurality of disturbance abutting rods 5, wherein the middle ends of the disturbance abutting rods 5 pass through the opening 4 and are rotatably disposed on the sealing box 3, one end of the disturbance abutting rod 5 is located inside the sealing box 3, and the other end of the disturbance abutting rod 5 is located outside the sealing box 3, and the middle ends of the disturbance abutting rods 5 are connected to the sealing box 3 via a sealing folding cover 6; Several hanging rings 7, the hanging ring 7 is arranged on the sealing box 3 and is located directly above the other end of the disturbance abutting rod 5. Two abutting balls 8 are symmetrically arranged inside the hanging ring 7 and directly above the other end of the disturbance abutting rod 5. The abutting balls 8 are connected to the hanging ring 7 by a compression spring 9. A digestion tube 10 is arranged between the two abutting balls 8. The end surface of the digestion tube 10 facing the abutting balls 8 is provided with a concave surface 11, and the abutting balls 8 are located in the concave surface 11; A periodic disturbance support seat 12 is provided in the sealed box 3 and is located above one end of the plurality of disturbance support rods 5. A first driving device is provided between the periodic disturbance support seat 12 and the sealed box 3. A heating device is provided in the bottom end of the box body 1 and outside the sealed box 3. The box cover 2 is used to rotate to no longer seal the box body 1 after being manually operated. The box body 1 is used to contain a predetermined amount of liquid, which is water, after the box cover 2 is manually operated. The heating device is used to heat to a predetermined temperature when the box body 1 contains a predetermined amount of liquid, so as to continuously heat the liquid. The plurality of digestion tubes 10 are used to contain digestion reagents and environmental samples to be digested under manual operation when the heating device heats the liquid. The box cover 2 is used to rotate to seal the box body 1 after the plurality of digestion tubes 10 contain digestion reagents and environmental samples to be digested under manual operation. The periodic disturbance support seat 12 is used to be driven to periodically push down and simultaneously push against one end of several disturbance push rods 5 when the heating device heats the liquid, until the temperature of the liquid and the heating temperature of the heating device are within a predetermined range and stop, so that the other ends of the several disturbance push rods 5 can be tilted upward to disturb the liquid periodically, thereby accelerating the heating speed of the heating device for the liquid, quickly shortening the vertical temperature difference of the liquid and making the temperature of the liquid more balanced, thereby shortening the vertical temperature difference of the liquid near each digestion test tube 10 and making the temperature of the liquid near several digestion test tubes 10 close, reducing the digestion preparation time for the environmental samples in the several digestion test tubes 10, and ensuring that the environmental samples in the several digestion test tubes 10 are digested synchronously, and ensuring that the environmental samples at different heights in the digestion test tubes 10 are digested synchronously; The periodic disturbance seat 12 is used to periodically push down and push against one end of several disturbance pushing rods 5 when the temperature of the liquid and the heating temperature of the heating device are within a predetermined range, so that the other ends of the several disturbance pushing rods 5 periodically tilt upward to push against several digestion test tubes 10 and disturb the liquid. Every time the other end of the disturbance pushing rod 5 tilts upward to push against the digestion test tube 10, the environmental sample in the digestion test tube 10 becomes loose and displaced. Every time the other end of the disturbance pushing rod 5 tilts upward to push against the digestion test tube 10, the digestion test tube 10 is shaken back and forth with the cooperation of the hanging ring 7, compression spring 9, pushing ball 8 and concave surface 11, so that the environmental samples in the several digestion test tubes 10 are dispersed, mixed and heated evenly, so that the digestion of the environmental samples in the several digestion test tubes 10 is faster and more sufficient within a limited time, thereby improving the digestion efficiency and quality of the environmental samples in the several digestion test tubes 10 within a limited time; The first driving device is used to drive the periodic interference seat 12 to move, and the sealing folding cover 6 is used to prevent the liquid from entering the interior of the sealed box 3 through the opening 4 after the box body 1 contains a predetermined amount of liquid, thereby causing the first driving device to be unable to drive the periodic interference seat 12 to move.

[0031] The box body 1 is connected to the box cover 2 via a hinge or a pin, and the middle end of the disturbance push rod 5 is connected to the sealing box 3 via a rotating shaft.

[0032] Several of the suspension rings 7 are arranged on the sealing box 3 via a connecting frame 13, and a second driving device is provided between the connecting frame 13 and the sealing box 3; The second driving device is used to drive the connecting frame 13 to rise and simultaneously drive the several digestion test tubes 10 to a predetermined position before the heating device heats the liquid and the several digestion test tubes 10 are manually operated to accommodate the digestion reagents and the environmental samples to be digested, so as to prevent the environmental samples in the several digestion test tubes 10 from being digested without shortening the vertical temperature difference of the liquid and balancing the temperature of the liquid during the period when the several digestion test tubes 10 are manually operated to accommodate the digestion reagents and the environmental samples to be digested, thereby ensuring that the environmental samples in the several digestion test tubes 10 are digested synchronously and that the environmental samples at different heights in the digestion test tubes 10 are digested synchronously, so that the several digestion test tubes 10 can be quickly and conveniently manually operated to accommodate the digestion reagents and the environmental samples to be digested, thereby reducing the heat loss of the heating device when heating the liquid and extending the digestion preparation time for the environmental samples in the several digestion test tubes 10, thereby shortening the time when the box cover 2 is not closed again for the box body 1 and reducing dust from falling into the box body 1.

[0033] The second driving device includes a second telescopic member 14, which is arranged at the inner top of the sealing box 3. The telescopic end of the second telescopic member 14 passes through the top surface of the sealing box 3. The top surface of the sealing box 3 and the telescopic end of the second telescopic member 14 are connected through a sealing ring 15.

[0034] Two fixed pre-track blocks 16 are symmetrically arranged inside the suspension ring 7. The fixed pre-track blocks 16 are located outside the digestion tube 10 and between the two abutting balls 8. The fixed pre-track blocks 16 are connected to the suspension ring 7 via a third telescopic member 17. The two limiting pre-rail blocks 16 are used to be driven to press against the surface of the digestion test tubes 10 when the second driving device drives the plurality of digestion test tubes 10 to rise to a predetermined position, so as to limit and fix the digestion test tubes 10 during the period when the digestion test tubes 10 are manually operated to accommodate the digestion reagents and the environmental samples to be digested, thereby preventing the digestion test tubes 10 from shaking on the hanging ring 7 during the period when the digestion test tubes 10 are manually operated to accommodate the digestion reagents and the environmental samples to be digested, thereby preventing the digestion test tubes 10 from shaking on the hanging ring 7, resulting in the inability to manually quickly, continuously and accurately operate the digestion reagents and the environmental samples to be digested into the digestion test tubes 10; The two fixed pre-track blocks 16 are used to be driven to a predetermined position during the reciprocating shaking of the digestion tube 10 by the suspension ring 7, compression spring 9, abutment ball 8, and concave surface 11, so that the digestion tube 10 can be shaken back and forth along a predetermined trajectory before the other end of the abutment rod 5 is tilted upward and abutted by the next disturbance of the digestion tube 10, thereby making the digestion of the environmental samples in the digestion tubes 10 faster and more complete within a limited time, and further improving the digestion efficiency and quality of the environmental samples in the digestion tubes 10 within a limited time.

[0035] The third telescopic member 17 is used to drive the limiting pre-rail block 16 to move.

[0036] The bottom end surface of the other end of the disturbance resisting rod 5 is provided with a quick-return anti-interference block 18; the quick-return anti-interference block 18 is used to accelerate the resetting of the other end of the disturbance resisting rod 5 after the periodic disturbance resisting seat 12 resists one end of the disturbance resisting rod 5, so as to prevent the other end of the disturbance resisting rod 5 from interfering with the digestion test tube 10 after the other end of the disturbance resisting rod 5 resists the digestion test tube 10, thereby preventing the digestion test tube 10 from shaking back and forth.

[0037] The top end surface of the other end of the disturbance abutting rod 5 is provided with a rubber layer (not shown), and the rubber layer is used to prevent the digestion tube 10 from being damaged when the other end of the disturbance abutting rod 5 tilts upward to abut the digestion tube 10.

[0038] The first driving device includes a first telescopic member 19, which is arranged on the inner bottom end surface of the sealing box 3, and the telescopic end of the first telescopic member 19 is connected to the bottom end surface of the periodic interference seat 12; the heating device is an annular semiconductor heating plate 20.

[0039] A drain pipe 21 with a valve is provided at the bottom end of the box body 1. The inner wall of the box body 1 is provided with a heat insulation layer 22 and a sound insulation layer 23 from the outside to the inside. Several ultrasonic transducers 24 are provided on the sound insulation layer 23. A temperature sensor 25 is provided on the sound insulation layer 23.

[0040] The ultrasonic transducer 24 is used to receive an electrical signal and generate an ultrasonic wave from the electrical signal. The temperature sensor 25 is used to detect the temperature of the liquid when the box 1 contains the liquid.

[0041] A gas purification device is provided on the box cover 2, which is used to purify the generated gas step by step during the digestion of environmental samples in several digestion test tubes 10 and discharge the purified gas to the outside of the digestion instrument. The gas purification device is used to follow the movement when the box cover 2 rotates on the box body 1.

[0042] The gas purification device includes a vent 26 provided on the top surface of the box cover 2. A vent box 27 is provided on the top surface of the box cover 2 and outside the vent 26. A step-by-step purification component is provided inside the vent box 27. A micro air pump 28 is provided inside the box cover 2 and on one side of the vent 26. A first connecting pipe 29 is provided, one end of which is connected to the vent box 27 and the other end of which passes through the box cover 2 and is connected to the inlet of the micro air pump 28. A second connecting pipe 30 is provided, one end of which is connected to the outlet of the micro air pump 28 and the other end of which passes through the box cover 2. A pressure balancing hole 31 is provided on the front surface of the box cover 2. The pressure balancing hole 31 is connected to the interior of the box body 1 and is provided to prevent the formation of a vacuum inside the box body 1 during the operation of the micro air pump 28.

[0043] The step-by-step purification component includes a drying plate 32, which is arranged inside the ventilation box 27. A first purification plate 33 is arranged inside the ventilation box 27 and above the drying plate 32. A second purification plate 34 is arranged inside the ventilation box 27 and above the first purification plate 33. The specifications of the drying plate 32 are larger than those of the first purification plate 33, and the specifications of the first purification plate 33 are larger than those of the second purification plate 34.

[0044] The drying plate 32 is a hollow plate filled with silica gel particles and has multiple ventilation holes on its surface. The first purification plate 33 is filled with activated carbon soaked in sulfuric acid, and the second purification plate 34 is filled with lime particles. The drying plate 32, first purification plate 33, and second purification plate 34 are all threadedly connected to the interior of the vent box 27.

[0045] The digestion test tube 10 is a quartz test tube or a glass test tube, and the first telescopic member 19, the second telescopic member 14, and the third telescopic member 17 are telescopic motors or telescopic electric cylinders or electric cylinders.

[0046] It should be noted that in the claims, any reference signs placed between parentheses shall not be construed as limiting the claims. The word "comprising" does not exclude the presence of components or steps not listed in the claim. The word "a" or "an" preceding a component does not exclude the presence of a plurality of such components. The invention can be implemented by means of hardware comprising several different components and by means of a suitably programmed computer. In a unit claim enumerating several means, several of these means may be embodied by one and the same item of hardware. The use of the words first, second, third etc. does not indicate any order. These words may be interpreted as names.

[0047] Although the preferred embodiments of the present invention have been described, those skilled in the art may make additional changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the present invention.

[0048] In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "connect," "fixed," etc. should be understood broadly. For example, they may refer to fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0049] In the description of this specification, the reference terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" mean that the specific features, structures, materials, or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic expressions of the above terms should not be understood as necessarily referring to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and features of different embodiments or examples without contradiction.

Claims

1. An environmental sample digestion instrument, characterized in that: include: A box body (1), wherein a box cover (2) is provided at the top end of the box body (1), a sealed box (3) is provided at the inner bottom end surface of the box body (1), and a plurality of openings (4) are provided on the side wall of the sealed box (3); A plurality of disturbance abutting rods (5), wherein the middle ends of the disturbance abutting rods (5) pass through the opening (4) and are rotatably disposed on the sealing box (3), and the middle ends of the disturbance abutting rods (5) are connected to the sealing box (3) via a sealing folding cover (6); Several hanging rings (7), the hanging rings (7) are arranged on the sealing box (3) and are located directly above the other end of the disturbance push rod (5), two abutting balls (8) are symmetrically arranged inside the hanging ring (7) and directly above the other end of the disturbance push rod (5), the abutting balls (8) are connected to the hanging ring (7) through a compression spring (9), a digestion test tube (10) is arranged between the two abutting balls (8), and a concave surface (11) is provided on the end surface of the digestion test tube (10) facing the abutting balls (8), and the abutting balls (8) are located in the concave surface (11); A periodic disturbance support seat (12) is provided in the sealed box (3) and is located above one end of the plurality of disturbance support rods (5) for lifting and lowering, a first driving device is provided between the periodic disturbance support seat (12) and the sealed box (3), and a heating device is provided in the bottom end of the box body (1) and outside the sealed box (3); The periodic disturbance abutment seat (12) is used to be driven to periodically abut one end of a plurality of disturbance abutment rods (5) when the heating device heats the liquid, and stops when the temperature of the liquid and the heating temperature of the heating device are within a predetermined range, so that the other ends of the plurality of disturbance abutment rods (5) periodically tilt upward to disturb the liquid; The periodic disturbance support seat (12) is used to periodically push down and push against one end of several disturbance support rods (5) when the temperature of the liquid and the heating temperature of the heating device are within a predetermined range, so that the other ends of the several disturbance support rods (5) periodically tilt upward to push against several digestion test tubes (10) and disturb the liquid. Each time the digestion test tube (10) is subjected to the other end of the disturbance support rod (5) tilting upward to push against, the environmental sample in the digestion test tube (10) is loosened and displaced. Each time the digestion test tube (10) is subjected to the other end of the disturbance support rod (5) tilting upward to push against, the digestion test tube (10) is shaken back and forth under the cooperation of the suspension ring (7), the compression spring (9), the support ball (8) and the concave surface (11).

2. An environmental sample digestion instrument according to claim 1, characterized in that: A plurality of the suspension rings (7) are arranged on the sealing box (3) via a connecting frame (13), and a second driving device is provided between the connecting frame (13) and the sealing box (3); The second driving device is used to drive the connecting frame (13) to rise before the heating device heats the liquid and the plurality of digestion test tubes (10) are manually operated to accommodate the digestion reagent and the environmental sample to be digested, and at the same time drive the plurality of digestion test tubes (10) to rise to a predetermined position, so as to prevent the environmental samples in the plurality of digestion test tubes (10) from being digested without shortening the vertical temperature difference of the liquid and without equalizing the temperature of the liquid, so as to allow the plurality of digestion test tubes (10) to be quickly and conveniently manually operated to accommodate the digestion reagent and the environmental sample to be digested.

3. An environmental sample digestion instrument according to claim 2, characterized in that: The second driving device comprises a second telescopic member (14) which is arranged at the inner top end of the sealing box (3); the telescopic end of the second telescopic member (14) passes through the top end surface of the sealing box (3); and the top end surface of the sealing box (3) and the telescopic end of the second telescopic member (14) are connected via a sealing ring (15).

4. An environmental sample digestion instrument according to claim 2, characterized in that: Two fixed pre-track blocks (16) are symmetrically arranged inside the suspension ring (7), the fixed pre-track blocks (16) are located outside the digestion test tube (10), the fixed pre-track blocks (16) are located between the two abutting balls (8), and the fixed pre-track blocks (16) are connected to the suspension ring (7) via a third telescopic member (17); The two limiting pre-rail blocks (16) are used to be driven to press against the surface of the digestion test tube (10) when the second driving device drives the plurality of digestion test tubes (10) to rise to a predetermined position, so as to limit and fix the digestion test tube (10) during the period when the digestion test tube (10) is manually operated to contain the digestion reagent and the environmental sample to be digested; The two limiting pre-track blocks (16) are used to be driven to move to a predetermined position during the period when the digestion test tube (10) is reciprocatingly shaken by the cooperation of the suspension ring (7), the compression spring (9), the abutting ball (8), and the concave surface (11), so as to allow the digestion test tube (10) to reciprocate along a predetermined trajectory before the other end of the abutting rod (5) is tilted upward and abutted when the digestion test tube (10) is disturbed next time.

5. The environmental sample digestion instrument according to claim 1, characterized in that: The bottom end surface of the other end of the disturbance push rod (5) is provided with a quick-return anti-involvement block (18); The quick-reset anti-interference block (18) is used to accelerate the resetting of the other end of the disturbance resisting rod (5) after the periodic disturbance resisting seat (12) resists one end of the disturbance resisting rod (5), so as to prevent the other end of the disturbance resisting rod (5) from interfering with the digestion test tube (10) after the other end of the disturbance resisting rod (5) resists the digestion test tube (10), thereby preventing the digestion test tube (10) from shaking back and forth.

6. The environmental sample digestion instrument according to claim 1, characterized in that: The first driving device comprises a first telescopic member (19) which is arranged on the inner bottom end surface of the sealing box (3), and the telescopic end of the first telescopic member (19) is connected to the bottom end surface of the periodic interference seat (12); the heating device is an annular semiconductor heating plate (20).

7. The environmental sample digestion instrument according to claim 1, characterized in that: A liquid discharge pipe (21) with a valve is provided at the bottom end of the box body (1), and a heat insulation layer (22) and a sound insulation layer (23) are provided on the inner wall of the box body (1) from the outside to the inside. Several ultrasonic transducers (24) are provided on the sound insulation layer (23), and a temperature sensor (25) is provided on the sound insulation layer (23).

8. The environmental sample digestion instrument according to claim 1, characterized in that: The box cover (2) is provided with a gas purification device, which is used to purify the generated gas step by step during the digestion of environmental samples in a plurality of digestion test tubes (10) and discharge the purified gas to the outside of the digestion instrument. The gas purification device is used to follow the movement when the box cover (2) rotates on the box body (1).

9. The environmental sample digestion instrument according to claim 8, characterized in that: The gas purification device includes a vent hole (26) provided on the top surface of the box cover (2), a vent box (27) provided on the top surface of the box cover (2) and located outside the vent hole (26), a step-by-step purification component provided inside the vent box (27), and a micro air pump (28) provided inside the box cover (2) and located on one side of the vent hole (26); a first connecting pipe (29), one end of the first connecting pipe (29) being connected to the vent box (27), the other end of the first connecting pipe (29) passing through the box cover (2) and being connected to the inlet of the micro air pump (28); a second connecting pipe (30), one end of the second connecting pipe (30) being connected to the outlet of the micro air pump (28), the other end of the second connecting pipe (30) passing through the box cover (2), and an air pressure balance hole (31) provided on the front surface of the box cover (2).

10. The environmental sample digestion instrument according to claim 9, characterized in that: The step-by-step purification component includes a drying plate (32) arranged inside the ventilation box (27), a first purification plate (33) is arranged inside the ventilation box (27) and above the drying plate (32), and a second purification plate (34) is arranged inside the ventilation box (27) and above the first purification plate (33), the specification of the drying plate (32) is larger than the specification of the first purification plate (33), and the specification of the first purification plate (33) is larger than the specification of the second purification plate (34).

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