CN219935458U

CN219935458U - Soil high temperature digestion instrument

Info

Publication number: CN219935458U
Application number: CN202321599364.7U
Authority: CN
Inventors: 包芳芳; 倪丰颖; 向国军; 徐佳丽
Original assignee: Zhejiang Kehai Testing Co ltd
Current assignee: Zhejiang Kehai Testing Co ltd
Priority date: 2023-06-21
Filing date: 2023-06-21
Publication date: 2023-10-31
Anticipated expiration: 2033-06-21

Abstract

The utility model relates to a soil high-temperature digestion instrument which comprises a box body and a box cover hinged above the box body and used for sealing the box body, wherein a material cavity, a driving cavity and an air inlet cavity are sequentially arranged in the box body from top to bottom, a material frame, a net rack and a heating component are sequentially arranged in the material cavity from top to bottom, a fan is arranged in the driving cavity, two sides of the driving cavity are provided with air outlets penetrating through the box body, a filter cartridge is arranged in the air inlet cavity and positioned below the fan, two sides of the air inlet cavity are provided with air inlets penetrating through the box body, the material frame and the net rack are detachably matched and connected with the box body, the center of the material frame is provided with a fixing cylinder used for clamping a soil sample tube, and the centers of two adjacent fixing cylinders are provided with overflow grooves; the digestion instrument can uniformly heat the inside of the box body, effectively ensures the heating uniformity of the soil sample tube, is convenient for a user to clean, and effectively prolongs the service life of the digestion instrument.

Description

Soil high temperature digestion instrument

Technical Field

The utility model relates to the field of digestion devices, in particular to a soil high-temperature digestion instrument.

Background

In order to detect the components in the soil, a digestion instrument and a tetra-acid system wet digestion are generally adopted to detect the content of metal elements in the soil, but at present, a common soil digestion instrument in a laboratory is generally heated by adopting an electric heating plate, because of the heating locality of the electric heating plate, the temperature difference of the plate surface is large, the pretreatment process of parallel samples and quality control samples cannot be kept under the same condition, the heating digestion method can generate the problem that test tubes are heated unevenly, thereby having a certain influence on the detection precision of the soil samples in the test tubes, meanwhile, the arrangement of a heating plate is not easy to fix the sample test tubes, the problem of overturning of digestion test tubes or digestion tanks is very easy to be caused, in the process of heating the soil samples, foam overflow is easy to occur when digestion liquid in the test tubes is heated and reacts, meanwhile, the acidic digestion liquid is very easy to corrode and rust when contacting a metal plate, so that the risk of pollution is easy to the samples is caused, and the service life of the conventional digestion instrument surface heating plate is also reduced.

Disclosure of Invention

The utility model mainly solves the technical problems existing in the prior art, thereby providing the soil high-temperature digestion instrument which effectively improves the heating uniformity and the storage stability of the sample test tube, is convenient for a user to clean and process, and effectively ensures the detection accuracy of soil samples and the service life of the digestion instrument.

The utility model relates to a soil high-temperature digestion instrument which comprises a box body and a box cover hinged above the box body and used for sealing the box body, wherein a material cavity, a driving cavity and an air inlet cavity are sequentially arranged in the box body from top to bottom, a material frame, a net rack and a heating component are sequentially arranged in the material cavity from top to bottom, a fan is arranged in the driving cavity, two sides of the driving cavity are provided with air outlets penetrating through the box body, a filter cylinder is arranged in the air inlet cavity and positioned below the fan, two sides of the air inlet cavity are provided with air inlets penetrating through the box body, the material frame and the net rack are detachably matched and connected with the box body, the center of the material frame is provided with a fixing cylinder, the surface of the material frame is provided with an overflow groove, the fixing cylinder comprises a cylinder body, a cylinder seat which is positioned below the cylinder body and connected with the material frame, the center of the cylinder body is provided with a limiting hole penetrating through the material frame, and the upper part of a clamping piece is connected with the clamping piece.

Preferably, the inner surface of box is connected with supporting shoe and guide block respectively, the guide block is located the top of supporting shoe, and the central authorities of guide block are connected with the draw-in post, and the one side of keeping away from the box inner surface of guide block is provided with the reinforcing block for supporting rack and work or material rest with the guide block can be reasonable, and the effectual stability of placing the work or material rest on the guide block that has increased of the draw-in post of reinforcing block and top through the guide block side.

Preferably, the rack is located the top of supporting shoe, and the surface of rack is provided with the guide slot with guide block clearance fit, and the central authorities of rack are connected with even post, and are connected with between the inside adjacent two even posts of rack and prop the net for the rack can pass the guide block through the guide slot, so that the rack can place on the supporting shoe that is located the guide block below, support the digestion test tube through the inside net that props of rack simultaneously, and fix the net that props through even post, effectively improve the stability and the fastness that prop the net to the digestion test tube support.

Preferably, the work or material rest is located the top of guide block, and the surface of work or material rest is provided with the draw-in hole that mutually supports with the card post, the inside fixed section of thick bamboo that is provided with of work or material rest, the overflow launder is located between two adjacent fixed section of thick bamboo, and overflow launder width scope is greater than 3cm for the work or material rest can be placed in the top of guide block, and let the card post imbed the card downthehole spacing fixed with the work or material rest, so that improve the stability after the work or material rest is placed, and the fixed inside fixed section of thick bamboo then can carry out the fixation of clearing up the test tube, digestion liquid or the digestion foam that overflows and goes out in digestion reaction process then can flow into the overflow launder, and the overflow launder that the width is greater than 3cm then facilitates the user and carries out cleaning treatment, effectively reduces the circumstances that the work or material rest corrodes rust.

Preferably, the front surface of box is connected with the window, buckle formula cooperation is connected between case lid and the box, and the internal surface of case lid is connected with the sealed pad that is used for sealing the box, lets the user observe the test tube of dissolving up through the window to let articulated each other between case lid one side and the box, through the mutual joint of hasp between case lid opposite side and the box, the user of facilitating the use carries out the switching control with the case lid of box top.

Preferably, the center of the exhaust port is provided with a first baffle plate, the driving cavity is internally provided with a baffle plate which is connected with the box body and used for shielding the exhaust port, one side of the first baffle plate, which faces the baffle plate, is higher than one side, which faces the outside of the box body, of the first baffle plate, air in the box body can be led out through the exhaust port, the air is discharged and guided through the first baffle plate, the front surface of the exhaust port is completely covered by the baffle plate, the lower part of the baffle plate is communicated with the driving cavity, so that the air circularly circulated in the box body is discharged through the lower end of the baffle plate, the air outlet of the fan is higher than the communication port below the baffle plate, and the condition that the air led out by the fan is discharged through the exhaust port is avoided.

Preferably, a second baffle plate is arranged in the center of the air inlet, one side of the second baffle plate facing the outside of the box body is higher than one side of the second baffle plate facing the filter cylinder, so that external air can enter the air inlet cavity through the air inlet and enter the fan through the filtration of the filter cylinder, the height of air entering is raised by the arrangement of the second baffle plate, and the dust ratio in low-position air is effectively reduced.

Preferably, a partition plate is connected between the driving cavity and the air inlet cavity, the fan and the filter cylinder are respectively connected to the upper side and the lower side of the partition plate, the ventilation hole in the center of the filter cylinder is communicated below the fan, the fan is located below the heating component, the air inlet cavity and the driving cavity can be separated through the partition plate, air in the air inlet cavity can only enter the driving cavity and the material cavity through the filter cylinder and the fan, and the filtration integrity of air led in by the fan is guaranteed.

Preferably, a control cavity is arranged in the center of the air inlet cavity, heat insulation cotton is arranged right above the control cavity on the upper surface of the partition plate, and electronic elements such as a circuit control board, a temperature sensor and a temperature controller are fixed in the control cavity, so that the heat insulation cotton can isolate the temperature emitted by the heating assembly, and the service life of the electronic elements in the control cavity can be guaranteed when the control cavity is in a room temperature state.

Preferably, the filter cylinder and the fans are arranged in two, the heat insulation cotton is located in the center of the two fans, the control cavity is located in the center of the two filter cylinders, the filter cylinders are of round structures, the heating assembly is a heating tube group, the two fans and the filter cylinders are arranged to facilitate circulation and circulation of air in the box body, uniform increase of the temperature in the box body is guaranteed, and the subsequent cooling speed of the digestion test tube is also effectively improved.

The beneficial effects of the utility model are as follows: because the material rest is provided with the fixed cylinder in the center, the limiting hole for placing the digestion test tube is formed in the barrel in the fixed cylinder, the clamping piece for clamping the digestion test tube is connected above the barrel, so that the digestion test tube can be clamped and fixed through the limiting hole and the clamping piece and supported through the grid frame below the material rest, the situation that the digestion test tube is overturned due to touch caused by unexpected situations when a conventional heating flat plate is placed is avoided, the stability of the digestion test tube in the reaction process is effectively ensured, meanwhile, the heating assembly, the fan and the filter cylinder are sequentially arranged below the grid frame, the fan can drive the circulation of air in the box body, the problem that the heating assembly locally heats the lower part of the digestion test tube possibly causes uneven heating is solved, the heating locality of the conventional electric heating plate is further changed, the problem that the consistency condition cannot be kept in the pretreatment process of parallel samples and quality control samples in the heating flat plate is avoided, the uniformity of heating of each test tube and the consistency of the reaction condition are effectively ensured, and the detection accuracy of soil samples in the digestion test tube is improved; and the overflow launder is all distributed between two adjacent fixed barrels on work or material rest surface, and can dismantle the cooperation between work or material rest and the fixed block, the rack is placed on the supporting shoe surface for clear up the foam liquid that the test tube reaction back probably overflowed can flow channel to the overflow launder in, and the user is also convenient for dismantle clean work or material rest and rack, the corrosion that effectively avoids work or material rest, the rack probably to cause because of the digestion liquid rust problem, avoided polluting because of corrosion rust and probably to digest the reaction sample in the test tube, effectively guarantee to digest the detection accuracy of soil sample in the test tube and clear up appearance life, improve the user and to this detection result of use who digests the appearance.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of a soil high-temperature digestion instrument according to the utility model;

FIG. 2 is a schematic diagram of the structure of a grid in the soil high-temperature digestion instrument;

FIG. 3 is a diagram showing the whole structure of a material rack in the soil high-temperature digestion instrument;

FIG. 4 is an enlarged view of a portion of FIG. 1A;

fig. 5 is a schematic structural view of a guide block in the soil high-temperature digestion instrument according to the present utility model.

In the figure: the box body 1 comprises a box cover 11, a sealing gasket 111, a material cavity 12, a window 121, a driving cavity 13, an exhaust port 131, a first baffle 132, a baffle 133, an air inlet cavity 14, an air inlet 141, a second baffle 142, a control cavity 15, heat insulation cotton 151, a supporting block 16, a guide block 17, a clamping column 171, a reinforcing block 172, a material rack 2, an overflow groove 21, a fixed cylinder 22, a cylinder seat 221, a cylinder 222, a clamping piece 223, a limiting hole 224, a clamping hole 23, a net rack 3, a connecting column 31, a supporting net 32, a guide groove 33, a heating component 4, a partition board 5, a filter cylinder 6 and a fan 61.

Detailed Description

The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.

The utility model provides a soil high temperature digestion instrument as shown in fig. 1 to 5, includes box 1, and articulates the case lid 11 that is used for sealed box 1 in box 1 top, box 1 inside has set gradually material chamber 12, drive chamber 13 and air inlet chamber 14 from last down, material chamber 12 inside has set gradually work or material rest 2, rack 3 and heating element 4 from last down, drive chamber 13 inside is provided with fan 61, and drive chamber 13's both sides are provided with the gas vent 131 that runs through box 1, air inlet chamber 14 inside is provided with filter cartridge 6 and is located fan 61's below, and the both sides of air inlet chamber 14 are provided with the air inlet 141 that runs through box 1, work or material rest 2, rack 3 all are connected with the detachable cooperation between the box 1, the central authorities of work or material rest 2 are provided with the fixed cylinder 22 that is used for installing and place the digestion test tube, the surface of work or material rest 2 is provided with overflow launder 21, fixed cylinder 22 includes barrel 222, and is located barrel seat 221 below barrel 222 and links to each other with work or material rest 2, the central authorities are provided with the centre gripping hole 224 that is used for the digestion tube 2 to run through the test tube.

The inner surface of the box body 1 is respectively connected with a supporting block 16 and a guide block 17, the guide block 17 is positioned above the supporting block 16, the center of the guide block 17 is connected with a clamping column 171, one side, far away from the inner surface of the box body 1, of the guide block 17 is provided with a reinforcing block 172, so that the supporting block 16 and the guide block 17 can reasonably support the net rack 3 and the material rack 2, and the stability of the material rack 2 placed on the guide block 17 is effectively improved through the reinforcing block 172 at the side of the guide block 17 and the clamping column 171 at the upper side.

The rack 3 is located the top of supporting shoe 16, and rack 2's surface is provided with the guide slot 33 with guide block 17 clearance fit, rack 3's central authorities are connected with even post 31, and be connected with between two adjacent even posts 31 of rack 3 inside and prop net 32, make rack 3 pass guide block 17 through guide slot 33, so that rack 3 can place on the supporting shoe 16 that is located the guide block 17 below, support the digestion test tube through rack 3 inside prop net 32 simultaneously, and fix the prop net 3 through even post 31, effectively improve prop net 32 and support stability and fastness to the digestion test tube.

The material rack 2 is located above the guide blocks 17, the clamping holes 23 matched with the clamping columns 171 are formed in the surface of the material rack 2, more than two fixing cylinders 22 are arranged inside the material rack 2, the overflow grooves 21 are located between two adjacent fixing cylinders 22, the width range of the overflow grooves 21 is larger than 3cm, the material rack 2 can be placed above the guide blocks 17, the clamping columns 171 are embedded into the clamping holes 23 to limit and fix the material rack 2, so that stability of the material rack 2 after placement is improved, test tube fixing can be conducted inside the fixing cylinders 22, meanwhile digestion liquid overflowed in a digestion reaction process or digestion foam can flow into the overflow grooves 21, cleaning treatment is conducted by a user conveniently, and the corrosion of the material rack 2 is effectively reduced.

The front surface of box 1 is connected with window 121, buckle formula cooperation is connected between case lid 11 and the box 1, and the internal surface of case lid 11 is connected with the sealed pad 111 that is used for sealed box 1, lets the user observe the digestion test tube through window 121 to let articulated each other between case lid 11 one side and the box 1, through hasp (not mark) joint each other between case lid 11 opposite side and the box 1, the user of facilitating the use carries out the switching control with the case lid 11 of box 1 top.

The center of the exhaust port 131 is provided with a first baffle plate 132, the driving cavity 13 is internally provided with a baffle plate 133 which is connected with the box body 1 and used for shielding the exhaust port 131, one side of the first baffle plate 132, which faces the baffle plate 133, is higher than one side, which faces the outside of the box body 1, of the first baffle plate 132, so that air in the box body 1 can be led out through the exhaust port 131, the air is discharged and guided through the first baffle plate 132, the front surface of the exhaust port 131 is completely covered by the baffle plate 133, the lower part of the baffle plate 133 is communicated with the driving cavity 13, so that the air circularly circulated in the box body 1 is discharged through the lower end of the baffle plate 133, and an air outlet (not marked) of the fan 61 is higher than a communicating opening (not marked) below the baffle plate 133, so that the air led out by the fan 61 is prevented from being discharged through the exhaust port 131.

The center of the air inlet 141 is provided with a second baffle plate 142, and the side of the second baffle plate 142 facing the outside of the box 1 is higher than the side facing the filter cartridge 6, so that the external air can enter the air inlet cavity 14 through the air inlet 141 and enter the fan 61 through the filtration of the filter cartridge 6, and the arrangement of the second baffle plate 142 raises the air entering height, thereby effectively reducing the dust ratio in the low-position air.

The baffle 5 is connected between the driving cavity 13 and the air inlet cavity 14, the fan 61 and the filter cartridge 6 are respectively connected to the upper side and the lower side of the baffle 5, a vent hole (not labeled) in the center of the filter cartridge 6 is communicated below the fan 61, the fan 61 is positioned below the heating component 4, the air inlet cavity 14 and the driving cavity 13 can be separated through the baffle 5, and air in the air inlet cavity 14 can only enter the driving cavity 13 and the material cavity 12 through the filter cartridge 6 and the fan 61, so that the filtering integrity of air introduced by the fan 61 is ensured.

The center of the air inlet cavity 14 is provided with a control cavity 15, the upper surface of the partition board 5 is positioned right above the control cavity 15 and is provided with heat insulation cotton 151, and electronic elements such as a circuit control board, a temperature sensor and a temperature controller are fixed in the control cavity 15, so that the heat insulation cotton 151 can isolate the temperature emitted by the heating assembly 4, and the control cavity 15 can be in a room temperature state to ensure the service life of the internal electronic elements.

The filter cylinder 6 and the fans 61 are provided with two, the heat insulation cotton 151 is located at the centers of the two fans 61, the control cavity 15 is located at the centers of the two filter cylinders 6, the filter cylinder 6 is of a circular structure, the heating component 4 is a heating tube group, the two fans 61 and the filter cylinder 6 are arranged to facilitate the circulation and circulation rate of air in the box body 1, the uniform rise of the temperature in the box body 1 is ensured, and the subsequent cooling speed of a subsequent digestion test tube is also effectively improved.

The net rack 3 of the soil high-temperature digestion instrument is placed in the box body 1 through the supporting blocks 16, the material rack 2 is placed in the box body 1 through the guide blocks 17, the material rack 2 is limited and fixed through the cooperation of the clamping columns 171 and the clamping holes 23, a digestion test tube sample for soil detection is placed in the fixed cylinder 22 in the center of the material rack 2, the limiting holes 224 in the center of the cylinder 222 limit the digestion test tube, the digestion test tube passes through the material rack 2 and is placed above the supporting net 32 of the net rack 3, the clamping pieces 223 at the upper end of the cylinder 222 limit and fix the digestion test tube, the clamping pieces 223 can be elastic pieces, and the clamping pieces 223 are fixed at the upper end of the digestion test tube; then, the box cover 11 is sealed above the box body 1, the air tightness of the opening of the box body 1 is increased through the sealing gasket 111, the heating assembly 4 and the fan 61 are started, the heating assembly 4 heats the net rack 3 and the digestion test tube above the net rack 3, external air sequentially passes through the air inlet 141 and the filter cylinder 6 through the fan 61 and then circularly flows in the material cavity 12 through the heating of the heating assembly 4, the heating uniformity of the digestion test tube in the material cavity 12 is ensured, and gas generated at high temperature in the material cavity 12 can be also led out through the air outlet 131 through the baffle 133 until the digestion test tube is heated; the user can directly observe and know the reaction condition of the digestion test tube in the box body 1 through the window 121, and under the condition that the detection result is not affected, the heating effect of the box cover 11 and the heating component 4 can be opened and closed, and the fan 61 drives the circulation of air to accelerate the cooling of the digestion test tube, so that the user can take out the digestion test tube for additional detection and observation;

if detect and accomplish and clear up the test tube and have the digestion solution overflow to the work or material rest on, the user also can open the case lid, takes out in proper order and places the work or material rest on the guide block and place the rack on the supporting shoe and clean, avoids work or material rest surface to adhere to and has the digestion solution and the corrosion problem that probably causes, work or material rest and rack also can adopt corrosion-resistant graphite material to be used for improving the life of work or material rest, rack.

The foregoing is merely illustrative of specific embodiments of the present utility model, and the scope of the utility model is not limited thereto, but any changes or substitutions that do not undergo the inventive effort should be construed as falling within the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope defined by the claims.

Claims

1. The utility model provides a soil high temperature digestion instrument which characterized in that: including the box, and articulate the case lid that is used for sealed box in the box top, the box is inside to be provided with from last down in proper order material chamber, driving chamber and the air inlet chamber, material intracavity portion has set gradually work or material rest, rack and heating element from last down, driving intracavity portion is provided with the fan, and the both sides of driving chamber are provided with the gas vent that runs through the box, the air inlet intracavity portion is provided with and strains the below that is located the fan, and the both sides of air inlet chamber are provided with the air inlet that runs through the box, can dismantle the cooperation between work or material rest, rack all and the box and be connected, the central authorities of work or material rest are provided with fixed cylinder, the surface of work or material rest is provided with the overflow launder, fixed cylinder includes the barrel, and is located the barrel seat that links to each other below the barrel and with the work or material rest, barrel central authorities are provided with the spacing hole that runs through the work or material rest, barrel top is connected with the clamping piece.

2. The soil high temperature digestion instrument according to claim 1, wherein: the inner surface of box is connected with supporting shoe and guide block respectively, the guide block is located the top of supporting shoe, and the central authorities of guide block are connected with the card post, and the one side of keeping away from the box inner surface of guide block is provided with the boss.

3. The soil high temperature digestion instrument according to claim 2, wherein: the net rack is located the top of supporting shoe, and the surface of net rack is provided with the guide slot with guide block clearance fit, and the central authorities of net rack are connected with even post, and are connected with the net of supporting between two adjacent even posts inside the net rack.

4. The soil high temperature digestion instrument according to claim 2, wherein: the material rack is located above the guide blocks, clamping holes matched with the clamping columns are formed in the surface of the material rack, more than two fixed cylinders are arranged in the material rack, the overflow groove is located between two adjacent fixed cylinders, and the width range of the overflow groove is larger than 3cm.

5. The soil high temperature digestion instrument according to claim 1, wherein: the front surface of box is connected with the window, buckle formula cooperation is connected between case lid and the box, and the internal surface of case lid is connected with the sealed pad that is used for closed box.

6. The soil high temperature digestion instrument according to claim 1, wherein: the center of the exhaust port is provided with a first baffle plate, a baffle plate which is connected with the box body and used for shielding the exhaust port is arranged in the driving cavity, and one side of the first baffle plate, which faces the baffle plate, is higher than one side, which faces the outside of the box body.

7. The soil high temperature digestion instrument according to claim 1, wherein: the center of the air inlet is provided with a second baffle plate, and one side of the second baffle plate facing the outside of the box body is higher than one side facing the filter cylinder.

8. The soil high temperature digestion instrument according to claim 1, wherein: the air inlet device is characterized in that a partition plate is connected between the driving cavity and the air inlet cavity, the fan and the filter cylinder are respectively connected to the upper side and the lower side of the partition plate, a vent hole in the center of the filter cylinder is communicated below the fan, and the fan is located below the heating assembly.

9. The soil high temperature digestion instrument according to claim 8, wherein: the center of the air inlet cavity is provided with a control cavity, and heat insulation cotton is arranged right above the control cavity on the upper surface of the partition plate.

10. The soil high temperature digestion instrument according to claim 9, wherein: the filter cartridges and the fans are two, the heat insulation cotton is located in the centers of the two fans, the control cavity is located in the centers of the two filter cartridges, the filter cartridges are of round structures, and the heating assembly is a heating tube group.