An environmental sample digestion instrument

Abstract

The present application relates to a kind of environmental sample digester, comprising: cabinet, the top of the cabinet is provided with box cover, the inside bottom end surface of the cabinet is provided with sealed box, the lateral wall of the sealed box is provided with several openings;Several disturbance top rods, the middle end of the disturbance top rod passes through the opening and is rotationally arranged on the sealed box, the middle end of the disturbance top rod is connected with the sealed box by sealed folding cover;The vertical temperature difference of liquid near each digestion test tube can be shortened, and the temperature of liquid near several digestion test tubes cannot be close, the digestion preparation time of environmental sample in several digestion test tubes can be reduced, the synchronous digestion of environmental sample in several digestion test tubes can be ensured, and the synchronous digestion of environmental sample of different heights in digestion test tube can be ensured.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of digestion instrument, specifically refers to an environmental sample digestion instrument. BACKGROUND

[0002] The digestion instrument is a commonly used environmental sample pretreatment equipment, which can be divided into semi-automatic digestion instrument and automatic digestion instrument according to the degree of automation, and can be divided into electric heating digestion instrument and microwave digestion instrument according to the principle, and there are relatively mature products, and the application is very wide.

[0003] The existing digestion instrument cannot shorten the vertical temperature difference of the liquid near each digestion test tube, cannot make the temperature of the liquid near several digestion test tubes close, cannot reduce the digestion preparation time of the environmental samples in the several digestion test tubes, cannot ensure the synchronous digestion of the environmental samples in the several digestion test tubes, and cannot ensure the synchronous digestion of the environmental samples at different heights in the digestion test tubes.

[0004] The environmental samples in the several digestion test tubes cannot be uniformly dispersed, mixed and uniformly heated, the digestion of the environmental samples in the several digestion test tubes cannot be more rapid and sufficient in a limited time, and the digestion efficiency and quality of the environmental samples in the several digestion test tubes cannot be improved in a limited time.

[0005] Aiming at the problems existing in the prior art, the present application provides an environmental sample digestion instrument. SUMMARY

[0006] Aiming at the problems existing in the prior art, the present application provides an environmental sample digestion instrument, which can effectively solve at least one problem existing in the prior art.

[0007] The technical scheme of the present application is:

[0008] An environmental sample digestion instrument comprises:

[0009] A box body, a box cover is arranged at the top end of the box body, a sealed box is arranged at the inner bottom end surface of the box body, and a plurality of openings are arranged on the side wall of the sealed box;

[0010] A plurality of disturbance stop rods, the middle end of the disturbance stop rod penetrates through the opening and is rotationally arranged on the sealed box, and the middle end of the disturbance stop rod is connected with the sealed box through a sealed folding cover;

[0011] A plurality of hanging rings are arranged on the sealed box and above the other end of the disturbance stop rod, two abutting balls are symmetrically arranged inside the hanging ring and above the other end of the disturbance stop rod, the abutting balls are connected with the hanging ring through compression springs, a digestion test tube is arranged between the two abutting balls, and a concave surface is arranged on the end face of the abutting ball facing the digestion test tube, and the abutting ball is located in the concave surface;

[0012] A periodic disturbance seat is arranged inside the sealed box and above one end of the plurality of disturbance stop rods, a first driving device is arranged between the periodic disturbance seat and the sealed box, and a heating device is arranged inside the bottom end of the box and outside the sealed box.

[0013] The periodic disturbance seat is used to be driven to periodically downwardly abut against one end of the plurality of disturbance stop rods when the heating device heats the liquid, and the other end of the plurality of disturbance stop rods is periodically tilted upwardly to disturb the liquid until the temperature of the liquid and the heating temperature of the heating device are within a predetermined range.

[0014] The periodic disturbance seat is used to periodically downwardly abut against one end of the plurality of disturbance stop rods when the temperature of the liquid and the heating temperature of the heating device are within a predetermined range, so that the other end of the plurality of disturbance stop rods is periodically tilted upwardly to abut against the plurality of digestion test tubes and disturb the liquid, the environmental sample in the digestion test tube is loosened and displaced when the digestion test tube is tilted upwardly abutted by the other end of the disturbance stop rod, and the digestion test tube reciprocally shakes after being tilted upwardly abutted by the other end of the disturbance stop rod under the cooperation of the hanging ring, the compression spring, the abutting ball and the concave surface.

[0015] Further, the plurality of hanging rings are arranged on the sealed box through a linking frame, and a second driving device is arranged between the linking frame and the sealed box.

[0016] The second driving device is used to drive the linking frame and the plurality of digestion test tubes to ascend to a predetermined position before the plurality of digestion test tubes are manually operated to contain digestion reagents and environmental samples to be digested, so as to prevent the environmental samples in the plurality of digestion test tubes from being digested without shortening the vertical temperature difference of the liquid and without balancing the temperature of the liquid during the manual operation of containing the digestion reagents and the environmental samples to be digested, so that the plurality of digestion test tubes are quickly and conveniently manually operated to contain the digestion reagents and the environmental samples to be digested.

[0017] Further, the second driving device comprises a second telescopic member arranged at the inner top end of the sealed box, the telescopic end of the second telescopic member penetrates through the top end surface of the sealed box, and the top end surface of the sealed box and the telescopic end of the second telescopic member are connected through a sealing ring.

[0018] Further, two fixed-limiting pre-rail blocks are symmetrically arranged inside the hanging ring, and are located outside the digestion test tube, between the two abutting balls, and are connected to the hanging ring through a third telescopic member.

[0019] The two fixed-limiting pre-rail blocks are used to be driven to abut against the surface of the digestion test tube when the second driving device drives the several digestion test tubes to rise to a predetermined position, so as to limit and fix the digestion test tube during the period when the digestion test tube is manually operated to contain digestion reagent and environmental sample to be digested.

[0020] The two fixed-limiting pre-rail blocks are used to be driven to move to a predetermined position during the reciprocating shaking of the digestion test tube in cooperation with the hanging ring, the compression spring, the abutting ball, and the concave surface, so as to make the digestion test tube reciprocate along a predetermined trajectory before the next time the digestion test tube is tilted upward to abut against the other end of the disturbance abutment rod.

[0021] Further, the bottom end surface of the other end of the disturbance abutment rod is provided with a quick-recovery anti-interference block.

[0022] The quick-recovery anti-interference block is used to speed up the resetting of the other end of the disturbance abutment rod after the periodic disturbance abutment seat abuts against one end of the disturbance abutment rod, so as to prevent the other end of the disturbance abutment rod from interfering with the digestion test tube after the other end of the disturbance abutment rod abuts against the digestion test tube, thereby allowing the digestion test tube to reciprocate.

[0023] Further, the first driving device includes a first telescopic member arranged at 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 disturbance abutment seat; and the heating device is a ring-shaped semiconductor heating sheet.

[0024] Further, the bottom end of the box body is provided with a liquid discharge pipe with a valve, and the inner wall of the box body is sequentially provided with a heat insulation layer and a sound insulation layer from the outside to the inside, a plurality of ultrasonic transducers are arranged on the sound insulation layer, and a temperature sensor is arranged on the sound insulation layer.

[0025] Further, a gas purification device is arranged on the box cover, which is used to gradually purify the generated gas during the digestion of the environmental sample in the several digestion test tubes and discharge the purified gas to the outside of the digestion instrument, and the gas purification device is used to follow the action when the box cover is rotated on the box body.

[0026] Further, the gas purification device comprises a gas hole arranged on the top surface of the box cover, a gas box arranged on the top surface of the box cover outside the gas hole, a step-by-step purification component arranged inside the gas box, a micro air pump arranged inside the box cover on one side of the gas hole; a first connecting pipe, one end of which is arranged in communication with the gas box, the other end of which passes through the box cover and is arranged in communication with the inlet of the micro air pump; a second connecting pipe, one end of which is arranged in communication with the outlet of the micro air pump, the other end of which passes out of the box cover, and a gas pressure balance hole arranged on the front surface of the box cover.

[0027] Further, the step-by-step purification component comprises a drying plate arranged inside the gas box, a first purification plate arranged inside the gas box above the drying plate, a second purification plate arranged inside the gas box above the first purification plate, the drying plate having a larger size than the first purification plate, and the first purification plate having a larger size than the second purification plate.

[0028] Therefore, the present application provides the following effects and / or advantages:

[0029] 1) The box cover is used to rotate to no longer close the box body after being operated by a person, the box body is used to contain a predetermined amount of liquid after the box cover is operated by a person, the liquid is water; the heating device is used to heat to a predetermined temperature when the box body contains a predetermined amount of liquid to continuously heat the liquid; a plurality of digestion test tubes are used to contain digestion reagents and environmental samples to be digested after being operated by a person when the heating device heats the liquid, and the box cover is used to rotate to close the box body after a plurality of digestion test tubes contain digestion reagents and environmental samples to be digested after being operated by a person.

[0030] The periodic disturbance abutting seat is used to be driven to periodically abut one end of a plurality of disturbance abutting rods downwardly at the same time 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, to make the other end of the plurality of disturbance abutting rods periodically tilt upwardly to disturb the liquid, thereby accelerating the heating speed of the heating device to the liquid, rapidly shortening the vertical temperature difference of the liquid and making the temperature of the liquid more quickly balanced, thereby shortening the vertical temperature difference of the liquid near each digestion test tube and making the temperature of the liquid near a plurality of digestion test tubes close, reducing the digestion preparation time of the environmental samples in a plurality of digestion test tubes, and ensuring that the environmental samples in a plurality of digestion test tubes are digested synchronously, and ensuring that environmental samples at different heights in the digestion test tube are digested synchronously;

[0031] The periodic disturbance abutting seat is used to periodically abut one end of the several disturbance abutting rods downward when the temperature of the liquid and the heating temperature of the heating device are within a predetermined range, so that the other end of the several disturbance abutting rods is periodically tilted upward to abut the several digestion test tubes and disturb the liquid. When each digestion test tube is tilted upward to be abutted by the other end of the disturbance abutting rod, the environmental sample in the digestion test tube is loosened and displaced. After each digestion test tube is tilted upward to be abutted by the other end of the disturbance abutting rod, the digestion test tube reciprocally shakes under the cooperation of the hanging ring, the compression spring, the abutting ball and the concave surface, so that the environmental sample in the several digestion test tubes is uniformly dispersed, mixed and heated, thereby making the digestion of the environmental sample in the several digestion test tubes more rapid and sufficient in a limited time, and further improving the digestion efficiency and quality of the environmental sample in the several digestion test tubes in a limited time.

[0032] The first driving device is used to drive the periodic disturbance abutting seat to act, and the sealed folding cover is used to prevent the liquid from entering the inside of the sealed box through the opening after the box contains a predetermined amount of liquid, so that the first driving device cannot drive the periodic disturbance abutting seat to act.

[0033] In summary, the vertical temperature difference of the liquid near each digestion test tube can be shortened, the temperature of the liquid near the several digestion test tubes cannot be close, the digestion preparation time of the environmental sample in the several digestion test tubes can be reduced, the synchronous digestion of the environmental sample in the several digestion test tubes can be ensured, and the synchronous digestion of the environmental sample at different heights in the digestion test tube can be ensured. The environmental sample in the several digestion test tubes can be uniformly dispersed, mixed and heated, the digestion of the environmental sample in the several digestion test tubes can be more rapid and sufficient in a limited time, and the digestion efficiency and quality of the environmental sample in the several digestion test tubes can be improved in a limited time.

[0034] 2) The second driving device is used to drive the connection frame to rise and simultaneously drive the several digestion test tubes to rise to a predetermined position before the several digestion test tubes are manually operated to contain digestion reagents and environmental samples to be digested, so that the digestion of the environmental sample in the several digestion test tubes is prevented when the vertical temperature difference of the liquid is not shortened and the temperature of the liquid is not balanced, thereby ensuring the synchronous digestion of the environmental sample in the several digestion test tubes and ensuring the synchronous digestion of the environmental sample at different heights in the digestion test tube, so that the several digestion test tubes are rapidly and conveniently manually operated to contain digestion reagents and environmental samples to be digested, thereby reducing the heat loss of the liquid heated by the heating device, prolonging the digestion preparation time of the environmental sample in the several digestion test tubes, shortening the time when the box cover is not closed again, and reducing the dust falling into the box.

[0035] 3) two said fixed pre-rail blocks are used to be driven to the surface of the digestion test tube when the second driving device drives the several digestion test tubes to rise to a predetermined position, so as to limit the fixation of the digestion test tube during the manual operation of containing the digestion reagent and the environmental sample to be digested, thereby preventing the shaking of the digestion test tube on the hanging ring during the manual operation of containing the digestion reagent and the environmental sample to be digested, and achieving the quick, continuous and accurate operation of the digestion reagent and the environmental sample to be digested into the digestion test tube.

[0036] Two said fixed pre-rail blocks are used to be driven to a predetermined position during the reciprocating shaking of the digestion test tube cooperated with the hanging ring, the compression spring, the abutting ball and the concave surface, so as to make the digestion test tube reciprocate along a predetermined track before the next tilting of the other end of the disturbance abutting rod, thereby making the digestion of the environmental sample in the several digestion test tubes more quickly and sufficiently in a limited time, and further improving the digestion efficiency and quality of the environmental sample in the several digestion test tubes in a limited time.

[0037] 4) said speed recovery anti-involving block is used to accelerate the reset of the other end of the disturbance abutting rod after the periodic disturbance seat abuts against one end of the disturbance abutting rod, so as to prevent the other end of the disturbance abutting rod from interfering with the digestion test tube after the other end of the disturbance abutting rod abuts against the digestion test tube, and to make the digestion test tube reciprocate.

[0038] Other features and advantages of the present application will be set forth in the following description, and in part will become apparent to those skilled in the art from the description, or can be learned by practice of the present application. The objects and other advantages of the present application will be realized and attained by the structure particularly pointed out in the description and the drawings.

[0039] It should be understood that the foregoing summary of the application and the following detailed description are exemplary and explanatory, and are intended to provide further explanation of the application as claimed. BRIEF DESCRIPTION OF DRAWINGS

[0040] Figure 1 The structure diagram of the present application.

[0041] Figure 2 The sectional view corresponding to Figure 1

[0042] Figure 3 The enlarged view of A part corresponding to Figure 2

[0043] Figure 4 The structure diagram of the hanging ring, the abutting ball, the compression spring, the digestion test tube, the concave surface, the fixed pre-rail block and the third telescopic part in the present application.

[0044] Explanation of reference signs: ​​

[0045] Box 1, box cover 2, sealed box 3, opening 4, disturbance resistance rod 5, sealed folding cover 6, hanging ring 7, resistance ball 8, compression spring 9, digestion test tube 10, concave surface 11, periodic disturbance resistance seat 12, connection frame 13, second telescopic part 14, sealing ring 15, fixed pre-rail block 16, third telescopic part 17, rapid recovery anti-involvement block 18, first telescopic part 19, annular semiconductor heating sheet 20, liquid discharge pipe 21, heat insulation layer 22, sound insulation layer 23, ultrasonic transducer 24, temperature sensor 25, air vent hole 26, air vent box 27, micro air pump 28, first communication pipe 29, second communication pipe 30, air pressure balance hole 31, drying plate 32, first purification plate 33, second purification plate 34. DETAILED DESCRIPTION

[0046] In order to facilitate those skilled in the art to understand, the structure of the present application will be further described in detail in combination with the drawings:

[0047] Reference Figures 1-4 An environmental sample digestion instrument, comprising:

[0048] Box 1, the top end of the box 1 is provided with a box cover 2, the inner bottom end surface of the box 1 is provided with a sealed box 3, the side wall of the sealed box 3 is provided with a plurality of openings 4;

[0049] A plurality of disturbance resistance rods 5, the middle end of the disturbance resistance rod 5 passes through the opening 4 and is rotationally arranged on the sealed box 3, one end of the disturbance resistance rod 5 is located inside the sealed box 3, the other end of the disturbance resistance rod 5 is located outside the sealed box 3, the middle end of the disturbance resistance rod 5 is connected with the sealed box 3 through a sealed folding cover 6;

[0050] A plurality of hanging rings 7 are arranged on the sealed box 3 and located directly above the other end of the disturbance resistance rod 5, two resistance balls 8 are symmetrically arranged inside the hanging ring 7 and located directly above the other end of the disturbance resistance rod 5, the resistance ball 8 is connected with the hanging ring 7 through a compression spring 9, a digestion test tube 10 is arranged between the two resistance balls 8, a concave surface 11 is arranged on the end surface of the digestion test tube 10 facing the resistance ball 8, and the resistance ball 8 is located in the concave surface 11;

[0051] The periodic disturbance resistance seat 12 is arranged in the sealed box 3 and simultaneously located above one end of the plurality of disturbance resistance rods 5, a first driving device is arranged between the periodic disturbance resistance seat 12 and the sealed box 3, and a heating device is arranged in the bottom end of the box 1 and located outside the sealed box 3;

[0052] The box cover 2 is used to rotate to no longer close the box body 1 after being operated by human, the box body 1 is used to contain a predetermined amount of liquid after the box cover 2 is operated by human, the liquid is water; 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; a plurality of digestion test tubes 10 are used to contain digestion reagent and environmental sample to be digested when the heating device heats the liquid, the box cover 2 is used to rotate to close the box body 1 after a plurality of digestion test tubes 10 contain digestion reagent and environmental sample to be digested after being operated by human;

[0053] The periodic disturbance abutment 12 is used to be driven to periodically abut downward at the same time on one end of a plurality of disturbance abutment rods 5 when the heating device heats the liquid, and stop until the temperature of the liquid and the heating temperature of the heating device are within a predetermined range, so that the other end of the plurality of disturbance abutment rods 5 periodically tilts upward to disturb the liquid, thereby accelerating the heating speed of the heating device to the liquid, rapidly shortening the vertical temperature difference of the liquid and making the temperature of the liquid more quickly balanced, thereby shortening the vertical temperature difference of the liquid near each digestion test tube 10 and making the temperature of the liquid near the plurality of digestion test tubes 10 close, reducing the digestion preparation time of the environmental sample in the plurality of digestion test tubes 10, and ensuring that the environmental sample in the plurality of digestion test tubes 10 is digested synchronously and that the environmental sample at different heights in the digestion test tube 10 is digested synchronously;

[0054] The periodic disturbance abutment 12 is used to periodically abut downward on one end of a plurality of disturbance abutment 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 end of the plurality of disturbance abutment rods 5 periodically tilts upward to abut against a plurality of digestion test tubes 10 and disturb the liquid, the environmental sample in the digestion test tube 10 is loosened and displaced when the digestion test tube 10 is tilted upwardly abutted by the other end of the disturbance abutment rod 5, and the digestion test tube 10 reciprocally shakes after being tilted upwardly abutted by the other end of the disturbance abutment rod 5 under the cooperation of the hanging ring 7, the compression spring 9, the abutting ball 8 and the concave surface 11, so that the environmental sample in the plurality of digestion test tubes 10 is uniformly dispersed, mixed and uniformly heated, thereby making the digestion of the environmental sample in the plurality of digestion test tubes 10 more rapid and sufficient in a limited time, and thereby improving the digestion efficiency and quality of the environmental sample in the plurality of digestion test tubes 10 in a limited time;

[0055] The first driving device is used to drive the periodic disturbance abutment 12 to act, and the sealing folding cover 6 is used to prevent the liquid from entering into the sealed box 3 through the opening 4 after the box body 1 contains a predetermined amount of liquid, so that the first driving device cannot drive the periodic disturbance abutment 12 to act.

[0056] The box body 1 and the box cover 2 are connected by a hinge or a pin shaft, and the middle end of the disturbance abutment rod 5 is connected with the sealed box 3 by a rotating shaft.

[0057] A plurality of the hanging rings 7 are arranged on the sealed box 3 through a connecting frame 13, and a second driving device is arranged between the connecting frame 13 and the sealed box 3;

[0058] The second driving device is used for driving the connecting frame 13 and the plurality of digestion test tubes 10 to rise to a predetermined position when the heating device heats the liquid and the plurality of digestion test tubes 10 are manually operated to contain digestion reagents and environmental samples to be digested, so as to prevent the vertical temperature difference of the liquid from being shortened and the temperature of the liquid from being balanced during the manual operation of the plurality of digestion test tubes 10 to contain the digestion reagents and the environmental samples to be digested, and to digest the environmental samples in the plurality of digestion test tubes 10, thereby ensuring the synchronous digestion of the environmental samples in the plurality of digestion test tubes 10 and the synchronous digestion of the environmental samples at different heights in the digestion test tubes 10, so as to quickly and conveniently manually operate the plurality of digestion test tubes 10 to contain the digestion reagents and the environmental samples to be digested, thereby reducing the heat loss of the heating device for heating the liquid and prolonging the digestion preparation time of the environmental samples in the plurality of digestion test tubes 10, thereby shortening the time when the box cover 2 is not closed again to the box body 1 and reducing the dust falling into the box body 1.

[0059] The second driving device comprises a second telescopic member 14 arranged at the inner top end of the sealed box 3, the telescopic end of the second telescopic member 14 penetrates the top end surface of the sealed box 3, and the top end surface of the sealed box 3 and the telescopic end of the second telescopic member 14 are connected through a sealing ring 15.

[0060] The two limiting and fixing pre-rail blocks 16 are symmetrically arranged inside the hanging ring 7, are located outside the digestion test tube 10, are located between the two abutting balls 8, and are connected with the hanging ring 7 through a third telescopic member 17.

[0061] The two limiting and fixing pre-rail blocks 16 are used for being driven to abut 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 the predetermined position, so as to limit and fix the digestion test tube 10 during the manual operation of the digestion test tube 10 to contain the digestion reagents and the environmental samples to be digested, thereby preventing the shaking of the digestion test tube 10 on the hanging ring 7 during the manual operation of the digestion test tube 10 to contain the digestion reagents and the environmental samples to be digested, and causing the manual operation of the digestion reagents and the environmental samples to be digested into the digestion test tube 10 to be fast, continuous and accurate;

[0062] Two said fixed pre-rail blocks 16 are used to drive the movement of the digestion test tube 10 to a predetermined position during the reciprocating shaking of the digestion test tube 10 under the cooperation of the hanging ring 7, the compression spring 9, the abutting ball 8 and the concave surface 11, so that the digestion test tube 10 can be reciprocating shaken along a predetermined trajectory before the next time the digestion test tube 10 is tilted upward to abut against the other end of the disturbance abutting rod 5, so that the digestion of the environmental samples in several digestion test tubes 10 can be faster and more sufficient in a limited time, and further improve the digestion efficiency and quality of the environmental samples in several digestion test tubes 10 in a limited time.

[0063] Said third telescopic part 17 is used to drive the movement of the fixed pre-rail block 16.

[0064] The bottom end surface of the other end of the disturbance abutting rod 5 is provided with a quick recovery anti-interference block 18, which is used to speed up the reset of the other end of the disturbance abutting rod 5 after the periodic disturbance abutting seat 12 abuts against one end of the disturbance abutting rod 5, so as to prevent the other end of the disturbance abutting rod 5 from interfering with the digestion test tube 10 after the other end of the disturbance abutting rod 5 abuts against the digestion test tube 10, so that the digestion test tube 10 cannot be reciprocating shaken.

[0065] The top end surface of the other end of the disturbance abutting rod 5 is provided with a rubber layer (not shown), which is used to prevent the digestion test tube 10 from being damaged when the other end of the disturbance abutting rod 5 is tilted upward to abut against the digestion test tube 10.

[0066] The first driving device includes a first telescopic part 19, which is arranged on the inner bottom end surface of the sealed box 3, and the telescopic end of the first telescopic part 19 is connected with the bottom end surface of the periodic disturbance abutting seat 12; and the heating device is a ring-shaped semiconductor heating sheet 20.

[0067] The bottom end of the box body 1 is provided with a liquid discharge pipe 21 with a valve, and the inner wall of the box body 1 is sequentially provided with a heat insulation layer 22 and a sound insulation layer 23 from outside to inside, a plurality of ultrasonic transducers 24 are arranged on the sound insulation layer 23, and a temperature sensor 25 is arranged on the sound insulation layer 23.

[0068] The ultrasonic transducer 24 is used to receive electrical signals and generate ultrasonic waves from the electrical signals, and the temperature sensor 25 is used to detect the temperature of the liquid during the liquid is contained in the box body 1.

[0069] The box cover 2 is provided with a gas purification device, which is used to purify the generated gas step by step and discharge the purified gas to the outside of the digestion instrument during the digestion of the environmental samples in the several digestion test tubes 10, and the gas purification device is used to follow the movement when the box cover 2 is rotated on the box body 1.

[0070] The gas purification device comprises a gas hole 26 arranged on the top surface of the box cover 2, a gas box 27 arranged on the top surface of the box cover 2 outside the gas hole 26, a micro air pump 28 arranged inside the box cover 2 at one side of the gas hole 26, a first connecting pipe 29, one end of which is arranged in communication with the gas box 27, the other end of which passes through the box cover 2 and is arranged in communication with the inlet of the micro air pump 28, a second connecting pipe 30, one end of which is arranged in communication with the outlet of the micro air pump 28, the other end of which passes out of the box cover 2, and a gas pressure balance hole 31 arranged on the front surface of the box cover 2 and arranged in communication with the inside of the box body 1, which prevents the inside of the box body 1 from forming a vacuum during the operation of the micro air pump 28.

[0071] The step-by-step purification component comprises a drying plate 32 arranged inside the gas box 27, a first purification plate 33 arranged inside the gas box 27 above the drying plate 32, and a second purification plate 34 arranged inside the gas box 27 above the first purification plate 33, wherein the size of the drying plate 32 is larger than that of the first purification plate 33, and the size of the first purification plate 33 is larger than that of the second purification plate 34.

[0072] The drying plate 32 is a hollow plate filled with silica gel particles and provided with a plurality of air holes on the 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, the first purification plate 33, and the second purification plate 34 are all screw-connected inside the gas box 27.

[0073] The digestion test tube 10 is a quartz test tube or a glass test tube, and the first telescopic component 19, the second telescopic component 14, and the third telescopic component 17 are telescopic motors or telescopic electric cylinders or electric cylinders.

[0074] It should be noted that in the claims the reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in the claims. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The invention can be implemented by means of both hardware and software, and the latter is preferably implemented by a suitably programmed computer. In the claims, the word "comprising" does not exclude the presence of other elements or steps than those listed in the claims. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. It is understood that the word should be interpreted as specifying "at least one" of whatever follows the word. The word "first" does not have any significance. It is understood that the word "first" should not be interpreted as suggesting or implying that a second and possibly further steps / algorithms will follow.

[0075] Although preferred embodiments of the application have been described herein, additional changes and modifications can be made by those skilled in the art once armed with the basic inventive concepts described herein. Thus, the appended claims are intended to cover all such changes and modifications that fall within the scope of the present application.

[0076] In the present application, unless specifically defined otherwise, the terms "mounting", "connected", "connecting", "fixed", and the like are to be construed as broadly as possible, for example, can be fixed connection, can be detachable connection, or integral; can be mechanical connection, can be electrical connection; can be direct connection, can be indirect connection through an intermediate medium, can be internal communication of two elements or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0077] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description 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 appropriate manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine the different embodiments or examples described in the present application and the features of the 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: The bottom end of the box body (1) is provided with a liquid discharge pipe (21) with a valve, and the inner wall of the box body (1) is provided with a heat insulation layer (22) and a sound insulation layer (23) in sequence from the outside to the inside, and a plurality of 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 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 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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