CN216051055U - Soil organic matter detection pretreatment device - Google Patents

Abstract

The utility model relates to a soil organic matter detection pretreatment device, which comprises a frame, a digestion module and a pump unit; the digestion module comprises a first bracket, a first motion module, a liquid adding module, a graphite furnace, a condensing plate and a lifting platform; the first motion module, the liquid feeding module and the lifting platform are all fixed on the frame; the driving direction of the first motion module is arranged along the Y axis; the first bracket is arranged on the working end of the first motion module; the liquid adding module is fixed with the frame and is positioned above the first moving module; the graphite furnace is arranged below the first motion module; the condensation plate is fixed on the rack and is positioned right above the graphite furnace, and the first movement module is arranged between the graphite furnace and the condensation plate; the lifting platform is fixed on the frame, the lifting direction is arranged along the vertical direction, and the working end is connected with the graphite furnace; the pump unit is fixed on the frame and connected with the liquid feeding module. The scheme integrates multiple functions of automatic liquid adding, digestion and the like, effectively improves the working efficiency and reduces the harm to human bodies of operators.

Description

Soil organic matter detection pretreatment device

Technical Field

The utility model relates to the technical field of soil component analysis and detection equipment, in particular to a soil organic matter detection pretreatment device.

Background

Soil organic matters have important effects on improving the physical and chemical properties of soil and promoting the nutrient absorption of crops, so that the determination of the soil organic matters is listed as one of important indexes for soil testing formula fertilization in China. The field area of China is wide, the soil types are many, so the types and the quantity of soil samples to be detected are numerous, the task is heavy, and the time is short. In recent years, novel soil organic matter detection devices based on spectrum are rapidly developed and used for in-situ field detection. However, in the method for detecting soil organic matters by using the spectroscopy, an accurate model needs to be established to calculate the content of the organic matters, and the physical characteristics of a soil sample are complicated to cause much interference on detection, so that the current spectroscopy detection technology is difficult to obtain reliable data. In the national standard, soil testing and formulated fertilization still adopt a chemical method to detect soil organic matters, and accurate and reliable data is ensured to be obtained so as to guide fertilization. At present, the work of soil organic matter detection all adopts the manual operation mode, the pretreatment link of soil organic matter is very important to soil organic matter detection, its process includes artifical liquid feeding, graphite furnace is cleared up, manual filtration, wash and constant volume etc, link up between these flows is not inseparable, and occupy very big amount of labour and time, when a large amount of soil samples need be handled, single and tedious work has been brought for the analyst, consuming time and extravagant energy, there are sharp smell and toxicity in a very big part pretreatment solvent simultaneously, operating personnel has misoperation a little in operation process, just can produce human harm. Therefore, the development of an automatic device for the pretreatment link of soil organic matter detection is an urgent technical problem to be solved.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a pretreatment device for detecting organic matters in soil, which addresses the problems of the prior art.

In order to solve the problems of the prior art, the utility model adopts the technical scheme that:

a soil organic matter detection pretreatment device comprises a frame, a digestion module and a pump unit; the digestion module comprises a first bracket, a first motion module, a liquid adding module, a graphite furnace, a condensing plate and a lifting platform; the first motion module, the liquid feeding module and the lifting platform are all fixed on the frame; the driving direction of the first motion module is arranged along the Y axis; the first bracket is arranged on the working end of the first movement module, and a plurality of first inserting holes for inserting digestion tubes are arranged in the first bracket in a vertical through manner; the liquid adding module is fixed with the frame and is positioned above the first moving module, and comprises liquid adding pipes which correspond to the digestion pipes on the first bracket in number one by one and a multi-channel valve for controlling the liquid discharging of the liquid adding pipes; the graphite furnace is arranged below the first movement module, and a plurality of second plug holes are formed in the top end of the graphite furnace and correspond to the digestion pipes on the first bracket one by one; the condensation plate is fixed on the rack and is positioned right above the graphite furnace, and the first movement module is arranged between the graphite furnace and the condensation plate; the lifting platform is fixed on the frame, the lifting direction is arranged along the vertical direction, and the working end is connected with the graphite furnace; the pump unit is fixed on the frame and connected with the liquid feeding module.

Preferably, the device also comprises a carrying module and a filtering module; the carrying module comprises a mechanical paw, a second motion module and a third motion module; the clamping direction of the mechanical paw is downward, and the mechanical paw is used for clamping the digestion tube; the working direction of the second motion module is arranged along the Z axis, and the working end of the second motion module is connected with the mechanical gripper; the third motion module is fixed on the frame, the working direction is arranged along the X axis, and the working end is connected with the second motion module; the filtering module is arranged on the frame and positioned on one side of the digestion module, and the feeding end and the discharging end of the carrying module correspond to the digestion module and the filtering module respectively.

Preferably, the filtering module comprises a dumping frame, a dumping device, a filtering assembly, a liquid receiving module, a fourth motion module and a fifth motion module; the pouring frame is arranged in a turnover mode, a plurality of third inserting holes which are communicated up and down are formed in the pouring frame, the third inserting holes are used for inserting digestion pipes, rubber rings are arranged on the inner walls of the third inserting holes, and the outer walls of the digestion pipes are in interference fit with the inner rings of the rubber rings under the condition that the digestion pipes are inserted in the third inserting holes so as to prevent the digestion pipes from falling under the action of gravity or inertia when being turned over; the dumping device is fixed on the frame, and the working end of the dumping device is connected with the dumping frame and used for controlling the dumping frame to overturn; the filtering component is arranged below the dumping device; the liquid receiving module is arranged below the filtering component; the fourth motion module and the fifth motion module are fixed on the rack and are respectively used for independently controlling the filtering component and the liquid receiving module to linearly move along the Y axis; the declination frame, the filtering component and the liquid receiving module are positioned on the same straight line from top to bottom in the working state.

Preferably, a washing module which can move along the Y-axis direction is further arranged.

Preferably, the ultrasonic quantitative device further comprises a constant volume module arranged above the moving tail end of the fifth moving module, and the constant volume module comprises an ultrasonic constant volume container, a constant volume frame and a reagent module; the working direction of the ultrasonic constant volume device is arranged downwards; the constant volume frame is fixedly connected with the rack and used for supporting the ultrasonic constant volume device, and mounting holes used for mounting a liquid pipeline are formed in the constant volume frame; the reagent module is fixed on the frame and connected with the pump unit; under the working state, the ultrasonic fixed container and the liquid pipeline face the liquid receiving module.

Preferably, the frame is externally wrapped with a casing, and the casing is provided with a box door for taking and placing the digestion tube.

Compared with the prior art, the beneficial effect of this application is:

1. this application has realized dispelling the automatic liquid feeding and the self-heating of the intraductal soil sample of dissolving and has cleared up through pump unit cooperation first bracket, first motion module, liquid feeding module, graphite oven, condensing plate and elevating platform of clearing up the module. The operation is convenient, the labor cost is saved, the treatment efficiency is improved, and the harm to the human body of an operator is reduced.

2. This application will accomplish the leading-in module of filtering of intraductal sample of clearing up that the liquid feeding was cleared up through addding the filtration module and through the transport module and realize automatic filtration, has further increased the automation intellectuality of sample processing.

3. This application washes the module through setting up and can carry out automatic efficient cleanness to the handling tool after steps such as liquid feeding, clear up, filtration, reduces the trouble that the later stage shut down the clearance.

4 this application makes the device have the liquid feeding simultaneously, clears up, filters, washes and the function of constant volume, simple structure, convenient to use through setting up the constant volume module.

Drawings

FIG. 1 is a first perspective view of an embodiment;

FIG. 2 is a perspective view of the embodiment with the cabinet installed;

FIG. 3 is a perspective view of an digestion module according to an embodiment;

FIG. 4 is a schematic perspective view of the pump unit of the embodiment;

FIG. 5 is a perspective view of a first tray of an embodiment having a digestion tube and a waste tube disposed therein;

FIG. 6 is a perspective view of a carrier module of an embodiment;

FIG. 7 is a perspective view of a filtration module of an embodiment;

FIG. 8 is a perspective view of the flush module of an embodiment;

FIG. 9 is a second perspective view of the embodiment.

The reference numbers in the figures are:

1-a frame;

2-clearing up the module; 2 a-a first carrier; 2 b-a first motion module; 2 c-a liquid adding module; 2c 1-filling tube; 2c 2-multichannel valve; 2 d-a graphite furnace; 2 e-a cold plate; 2 f-a lifting table;

3-a pump unit; 3 a-a liquid pump; 3 b-a pump mount;

4-a carrying module; 4 a-mechanical gripper; 4 b-a second motion module; 4 c-a third motion module;

5-a filtration module; 5 a-a dump rack; 5 b-a pouring device; 5 c-a filter assembly; 5 d-liquid receiving module; 5d 1-quantification cup; 5 e-a fourth motion module; 5 f-a fifth motion module;

6-a washing module; 6 a-connecting plate; 6 b-a rinsing head; 6 c-a sixth motion module;

7-a constant volume module; 7 a-ultrasonic container setting; 7 b-constant volume frame; 7 c-a reagent module;

8-a machine shell;

a SS-digestion tube; s1 — flange; FF-waste pipe.

Detailed Description

For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.

As shown in fig. 1-5:

a soil organic matter detection pretreatment device comprises a frame 1, a digestion module 2 and a pump unit 3; the digestion module 2 comprises a first bracket 2a, a first moving module 2b, a liquid adding module 2c, a graphite furnace 2d, a condensing plate 2e and a lifting platform 2 f; the first motion module 2b, the liquid adding module 2c and the lifting platform 2f are all fixed on the frame 1; the driving direction of the first moving module 2b is set along the Y axis; the first bracket 2a is arranged on the working end of the first moving module 2b, and a plurality of first inserting holes for inserting the digestion tubes SS are arranged on the first bracket 2a in a vertical through manner; the liquid adding module 2c is fixed with the frame 1 and is positioned above the first moving module 2b, and the liquid adding module 2c comprises liquid adding pipes 2c1 with the number corresponding to that of the digestion pipes SS on the first bracket 2a one-to-one, and a multi-channel valve 2c2 for controlling liquid outlet of the liquid adding pipes 2c 1; the graphite furnace 2d is arranged below the first moving module 2b, and a plurality of second plug holes are formed in the top end of the graphite furnace 2d and correspond to the digestion tubes SS on the first bracket 2a one by one; the condensing plate 2e is fixed on the frame 1 and is positioned right above the graphite furnace 2d, and the first moving module 2b is arranged between the graphite furnace 2d and the condensing plate 2 e; the lifting platform 2f is fixed on the frame 1, the lifting direction is arranged along the vertical direction, and the working end is connected with the graphite furnace 2 d; the pump unit 3 is fixed on the frame 1 and is connected with the liquid adding module 2 c.

Based on the above-mentioned embodiment, the first motion module 2b used in the present application is preferably a timing belt sliding table. When the soil sample digestion device is used, the first bracket 2a is moved to the feeding station through the first movement module 2b, an operator places the digestion tube SS filled with a certain amount of soil samples on the first bracket 2a through the first insertion hole on the first bracket 2a, the flange S1 on the periphery side of the digestion tube SS is lapped at the upper end of the first bracket 2a, and the lower end of the flange S1 extends out of the bottom of the first bracket 2 a. The elevating platform 2f drives the graphite furnace 2d to be at the lowest position. The first motion module 2b drives the first bracket 2a to move to the lower part of the liquid adding module 2c, so that the liquid outlet ends of the liquid adding pipes 2c1 which correspond to the digestion pipes SS one by one are aligned with the mouths of the digestion pipes SS. The pump unit 3 includes a liquid pump 3a and a pump mount 3b for fixing the liquid pump 3a to the frame 1, and the liquid pump 3a discharges a waste liquid into a waste liquid pipe FF on the first carriage 2a and then charges a digestion pipe SS on the first carriage 2 a. The first moving module 2b continues to drive the first bracket 2a to move right above the graphite furnace 2d, the lifting table 2f works to lift the graphite furnace 2d, so that the second inserting hole in the graphite furnace 2d sleeves the bottom end of the digestion tube SS and jacks the bottom end of the digestion tube SS until the edge of the tube orifice of the digestion tube SS is contacted with the condensing plate 2 e; graphite oven 2d begins work, heats to certain temperature and after the certain time, elevating platform 2f drives graphite oven 2d and falls to the minimum, loses the pipe SS of clearing up that graphite oven 2d supported and falls relatively first bracket 2a again under the action of gravity, makes flange S1 overlap joint the upper end of first bracket 2a again. The first moving module 2b brings the first carriage 2a back. Thus, the digestion process of liquid adding and heating is automatically completed. Simple operation, simple and high efficiency.

Further, in order to solve the problem of adding an automatic filtering function on the basis of the liquid adding and digesting functions, as shown in fig. 1 and 6:

the device also comprises a carrying module 4 and a filtering module 5; the carrying module 4 comprises a mechanical gripper 4a, a second motion module 4b and a third motion module 4 c; the clamping direction of the mechanical paw 4a is downward arranged, and the mechanical paw 4a is used for clamping the digestion tube SS; the working direction of the second motion module 4b is arranged along the Z axis, and the working end of the second motion module 4b is connected with the mechanical gripper 4 a; the third motion module 4c is fixed on the frame 1, the working direction is arranged along the X axis, and the working end is connected with the second motion module 4 b; filter module 5 and set up in frame 1 to be located and clear up one side of module 2, the material loading end and the unloading end of transport module 4 respectively with clear up module 2, filter module 5 and correspond.

Based on the above embodiment, 4b0 is preferably a screw rod sliding table and 4c0 is preferably a synchronous belt sliding table. This application filters the sample after clearing up through addding filter module 5, it clears up the pipe SS automatic transfer to filter module 5 to be equipped with on first bracket 2a through clearing up of clearing up the processing fast high-efficient through setting up transport module 4, specifically be through getting of X axle and Z axle moving system and gripper 4a that second motion module 4b and third motion module 4c are constituteed get put the function and realize this purpose, only need during the design with coordinate and clear up module 2, filter module 5 correspond can, belong to the content that technical personnel in the field know, do not describe here repeatedly.

Further, in order to solve the problem of how to efficiently filter the liquid-added digested sample, as shown in fig. 7:

the filtering module 5 comprises a dumping frame 5a, a dumping device 5b, a filtering component 5c, a liquid receiving module 5d, a fourth moving module 5e and a fifth moving module 5 f; the pouring frame 5a is arranged in a turnover mode, a plurality of third inserting holes which are communicated up and down are formed in the pouring frame 5a and used for inserting digestion tubes SS, rubber rings are installed on the inner walls of the third inserting holes, and the outer walls of the digestion tubes SS are in interference fit with the inner rings of the rubber rings under the condition that the digestion tubes SS are inserted into the third inserting holes so as to prevent the digestion tubes SS from falling under the action of gravity or inertia when the digestion tubes SS are turned over; the dumping device 5b is fixed on the frame 1, and the working end of the dumping device 5b is connected with the dumping frame 5a and used for controlling the dumping frame 5a to overturn; the filtering assembly 5c is arranged below the pouring device 5 b; the liquid receiving module 5d is arranged below the filtering component 5 c; the fourth motion module 5e and the fifth motion module 5f are fixed on the frame 1 and are used for independently controlling the filter assembly 5c and the liquid receiving module 5d to linearly move along the Y axis respectively; the declination frame 5a, the filtering component 5c and the liquid receiving module 5d are positioned on the same straight line from top to bottom in the working state.

Based on the above embodiment, the second motion module 4b and the third motion module 4c adopted in the present application are preferably synchronous belt sliding tables. Transport module 4 will accomplish the pipe SS that clears up and move up from first bracket 2a and send to the dump frame 5a top, will clear up the pipe SS lower extreme then and insert the third and insert the interface hole, make and clear up a pipe SS outer wall and rubber circle interference fit to the messenger clears up a pipe SS joint in the third spliced eye. When the fourth motion module 5e and the fifth motion module 5f respectively move the filter assembly 5c and the liquid receiving module 5d to the position under the pouring frame 5a, the pouring device 5b controls the pouring frame 5a to overturn to clear up the opening of the tube SS, so that the sample is poured into the filter assembly 5c, and the rubber ring plays a role in preventing the clear up tube SS from falling. The sample filtered by the filter assembly 5c falls under gravity into the liquid receiving module 5 d. The filtering component 5c is provided with a plurality of filtering hoppers for filtering, a plurality of groups of filtering hoppers are arranged corresponding to the number of the digestion tubes SS, the liquid receiving module 5d is provided with a quantifying cup 5d1 for receiving filtrate, and the number of the quantifying cups corresponds to the number of the filtering hoppers one by one. Therefore, the fourth movement module 5e and the fifth movement module 5f can control the filter assembly 5c and the liquid receiving module 5d to move on the Y axis, so that the reuse of the same group of filter hoppers and the quantitative cup 5d1 is avoided, and the detection accuracy is further improved.

Further, in order to solve the problem of how to complete automatic flushing based on liquid feeding, digestion and filtration, as shown in fig. 8:

a washing module 6 which can move along the Y-axis direction is also arranged.

Based on the above embodiments, the flushing module 6 of the present application includes a connection plate 6a, a flushing head 6b, and a sixth motion module 6 c; the sixth motion module 6c is fixed on the frame 1; the connecting plate 6a is mounted on the working end of the sixth motion module 6 c; the flushing head 6b is arranged on the flushing head 6b and is connected with a water source; the sixth motion module 6c is preferably a synchronous belt sliding table; the washing head 6b and the connecting plate 6a are provided with two sections of rotating structures for adjusting the washing direction of the washing head 6b, thereby solving the problems. The processing tool can be conveniently cleaned.

Further, in order to solve the problem of how to increase the volume fixing function on the basis of automatic liquid adding, digestion, filtration and flushing, as shown in fig. 9:

the ultrasonic quantitative device further comprises a constant volume module 7 arranged above the moving tail end of the fifth moving module 5f, wherein the constant volume module 7 comprises an ultrasonic constant volume container 7a, a constant volume frame 7b and a reagent module 7 c; the ultrasonic wave fixed container 7a is arranged downwards in the working direction; the constant volume frame 7b is fixedly connected with the rack 1 and used for supporting the ultrasonic constant volume container 7a, and the constant volume frame 7b is provided with a mounting hole for mounting a liquid pipeline; the reagent module 7c is fixed on the frame 1 and connected with the pump unit 3; under the working state, the ultrasonic wave fixed container 7a and the liquid pipeline both face the liquid receiving module 5 d.

In this step, the pump unit 3 according to the present invention solves the above-described problems by introducing the liquid in the reagent module 7c into the measuring cup 5d1 of the liquid receiving module 5d through the liquid path line and quantitatively detecting the liquid level in the ultrasonic measuring container 7a fixed to the measuring rack 7 b.

Further, in order to solve the problem of how to prevent impurities from mixing into the sample during the processing, as shown in fig. 2:

the outside cladding of frame 1 has casing 8, is equipped with the chamber door that is used for getting to put and clears up pipe SS on casing 8.

Based on above-mentioned embodiment, this application can effectively play dirt-proof effect through setting up casing 8, avoids impurity such as outside dust to disturb treatment effect among the operation process to above-mentioned problem has been solved.

The above examples, which are intended to represent only one or more embodiments of the present invention, are described in greater detail and with greater particularity, and are not to be construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (6)

1. A soil organic matter detection pretreatment device comprises a frame (1), and is characterized by also comprising a digestion module (2) and a pump unit (3); the digestion module (2) comprises a first bracket (2a), a first moving module (2b), a liquid adding module (2c), a graphite furnace (2d), a condensing plate (2e) and a lifting platform (2 f); the first motion module (2b), the liquid feeding module (2c) and the lifting platform (2f) are all fixed on the frame (1); the driving direction of the first motion module (2b) is arranged along the Y axis; the first bracket (2a) is arranged on the working end of the first movement module (2b), and a plurality of first inserting holes for inserting digestion tubes (SS) are arranged on the first bracket (2a) in a vertical through manner; the liquid adding module (2c) is fixed with the frame (1) and is positioned above the first moving module (2b), and the liquid adding module (2c) comprises liquid adding pipes (2c1) which correspond to the digestion pipes (SS) on the first bracket (2a) in number one by one and a multi-channel valve (2c2) for controlling the liquid outlet of the liquid adding pipes (2c 1); the graphite furnace (2d) is arranged below the first moving module (2b), and a plurality of second plug holes are formed in the top end of the graphite furnace (2d) and correspond to the digestion tubes (SS) on the first bracket (2a) one by one; the condensation plate (2e) is fixed on the rack (1) and is positioned right above the graphite furnace (2d), and the first movement module (2b) is arranged between the graphite furnace (2d) and the condensation plate (2 e); the lifting platform (2f) is fixed on the frame (1), the lifting direction is arranged along the vertical direction, and the working end is connected with the graphite furnace (2 d); the pump unit (3) is fixed on the frame (1) and is connected with the liquid adding module (2 c).

2. The pretreatment device for soil organic matter detection according to claim 1, further comprising a carrying module (4) and a filtering module (5); the carrying module (4) comprises a mechanical gripper (4a), a second motion module (4b) and a third motion module (4 c); the clamping direction of the mechanical paw (4a) is downward arranged, and the mechanical paw (4a) is used for clamping the digestion tube (SS); the working direction of the second motion module (4b) is arranged along the Z axis, and the working end of the second motion module (4b) is connected with the mechanical gripper (4 a); the third motion module (4c) is fixed on the rack (1), the working direction is arranged along the X axis, and the working end is connected with the second motion module (4 b); filter module (5) and set up in frame (1) to be located and clear up one side of module (2), the material loading end and the unloading end of transport module (4) respectively with clear up module (2), filter module (5) and correspond.

3. The pretreatment device for soil organic matter detection according to claim 2, wherein the filtering module (5) comprises a dumping frame (5a), a dumping device (5b), a filtering assembly (5c), a liquid receiving module (5d), a fourth moving module (5e) and a fifth moving module (5 f); the pouring frame (5a) is arranged in a turnover mode, a plurality of third inserting holes which are communicated up and down are formed in the pouring frame (5a), the third inserting holes are used for inserting digestion tubes (SS), rubber rings are installed on the inner walls of the third inserting holes, and the outer walls of the digestion tubes (SS) are in interference fit with the inner rings of the rubber rings under the state that the digestion tubes (SS) are inserted into the third inserting holes so as to prevent the digestion tubes (SS) from falling under the action of gravity or inertia when being turned over; the dumping device (5b) is fixed on the frame (1), and the working end of the dumping device (5b) is connected with the dumping frame (5a) and used for controlling the dumping frame (5a) to overturn; the filtering component (5c) is arranged below the pouring device (5 b); the liquid receiving module (5d) is arranged below the filtering component (5 c); the fourth motion module (5e) and the fifth motion module (5f) are fixed on the rack (1) and are respectively used for independently controlling the filter assembly (5c) and the liquid receiving module (5d) to linearly move along the Y axis; the declination frame (5a), the filtering component (5c) and the liquid receiving module (5d) are positioned on the same straight line from top to bottom in the working state.

4. The pretreatment device for soil organic matter detection according to claim 3, further comprising a washing module (6) movable along the Y-axis direction.

5. The pre-treatment device for detecting the organic matters in the soil according to claim 4, further comprising a constant volume module (7) arranged above the moving end of the fifth moving module (5f), wherein the constant volume module (7) comprises an ultrasonic constant volume container (7a), a constant volume frame (7b) and a reagent module (7 c); the ultrasonic wave fixed container (7a) is arranged with the working direction facing downwards; the constant volume frame (7b) is fixedly connected with the rack (1) and used for supporting the ultrasonic constant container (7a), and a mounting hole used for mounting a liquid pipeline is formed in the constant volume frame (7 b); the reagent module (7c) is fixed on the frame (1) and is connected with the pump unit (3); the ultrasonic fixed container (7a) and the liquid pipeline face the liquid receiving module (5d) in the working state.

6. The pretreatment device for detecting organic matters in soil according to claim 1, wherein a casing (8) is coated outside the frame (1), and a door for taking and placing the digestion tube (SS) is arranged on the casing (8).

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