CN220878958U

CN220878958U - Improved soil inorganic carbon measuring device

Info

Publication number: CN220878958U
Application number: CN202322833867.2U
Authority: CN
Inventors: 蔡江平; 李慧; 冯雪; 王志瑞
Original assignee: Institute of Applied Ecology of CAS
Current assignee: Institute of Applied Ecology of CAS
Priority date: 2023-10-23
Filing date: 2023-10-23
Publication date: 2024-05-03
Anticipated expiration: 2033-10-23

Abstract

The utility model relates to the technical field of soil element measurement, in particular to an improved soil inorganic carbon measurement device which comprises a fixed seat, wherein the fixed seat is positioned at the bottom end of the whole device, a support column is fixedly arranged at the upper end of the fixed seat, a first connecting block is fixedly arranged at one side of the support column, a first limiting piece is arranged in an opening formed in the first connecting block, a locking block is arranged on the first limiting piece, and an adjusting bolt is fixedly arranged at one end of the locking block. This device survey device adjusts two screw thread pieces through manual regulation two-way threaded rod and realizes the regulation of equidirectional, and then inwards or outwards remove simultaneously to first clamp block and second clamp block and realize pressing from both sides tightly, conveniently in carrying out the inorganic carbon survey of soil, and the rotation of screw thread cover is realized through the rotation of motor drive threaded rod when the glass pipe of upper and lower removal right side, and then carries out altitude mixture control to screw thread cover one end first locating part, is convenient for realize the altitude mixture control of glass pipe automatically, has saved the labour.

Description

Improved soil inorganic carbon measuring device

Technical Field

The utility model relates to the technical field of soil element measurement, in particular to an improved soil inorganic carbon measurement device.

Background

There are two methods for determining the inorganic carbon in soil by the conventional method: one method is a gas method, which is suitable for soil with high content, and the operation is manual, so that the error is large and the repeatability is not ideal. The other is a neutralization method, and the method is suitable for the soil with lower content, the hydrochloric acid solution reacts with calcium carbonate in the soil, and also exchanges hydrogen ions with exchangeable salt groups in the soil, and silicate of certain alkaline metals is decomposed, so that the measured result is higher, the operation is manual, the error is larger, and the repeatability is less ideal.

At present, the soil inorganic carbon determination process mostly needs manual centering, many steps or adjustment are realized through a manual mode, the mode is complex, the whole step is realized only by low manual efficiency and even a plurality of manual operations, the practicability is low, and an improved soil inorganic carbon determination device is needed to solve the problem.

Disclosure of utility model

The utility model aims to provide an improved soil inorganic carbon measuring device, which solves the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an inorganic carbon survey device of modified soil, includes the fixing base, the fixing base is located the bottom of whole device, the fixing base upper end has the support column, support column one side fixed mounting has first connecting block, install first locating part in the trompil of seting up on the first connecting block, install the latch segment on the first locating part, latch segment one end fixed mounting has adjusting bolt, install the graduated flask on the latch segment, the connecting pipe is all installed to the upper and lower end of graduated flask, the connecting pipe upper end is connected on the triangular flask, the connecting pipe lower extreme is connected on the glass pipe, set up the fluting on the fixing base, install clamping assembly in the fluting.

As the preferable technical scheme of the utility model, the clamping assembly is provided with the handle, the handle is fixedly provided with the bidirectional threaded rod, the symmetrical ends of the bidirectional threaded rod are respectively connected with the threaded block, the bottom ends of the threaded blocks are slidably connected in the sliding grooves on the fixing seat through the sliding blocks, the threaded blocks are respectively provided with the threaded holes, and the threaded holes are in threaded connection with the bidirectional threaded rod.

As a preferable technical scheme of the utility model, a first clamping block and a second clamping block are respectively and fixedly arranged on the two threaded blocks, and a triangular flask is arranged between the first clamping block and the second clamping block.

As a preferable technical scheme of the utility model, a plastic pipe is arranged in the triangular flask, a three-way valve is arranged between the triangular flask and the connecting pipe, and the model of the three-way valve is Q644F-16P.

As the preferable technical scheme of the utility model, a motor is arranged in the support column, a threaded rod is arranged at the output end of the motor, a threaded sleeve is connected to the threaded rod in a threaded manner, a second connecting block is fixedly arranged on the threaded sleeve, and the diameter of the second connecting block is smaller than that of the limiting groove.

As a preferable technical scheme of the utility model, a bearing is arranged between the threaded rod and the support column, and the bearing is rotationally connected with the threaded rod.

As a preferable technical scheme of the utility model, the second connecting block is provided with a second limiting piece, and the second limiting piece has the same structure as the first limiting piece.

Compared with the prior art, the utility model has the following beneficial effects:

(1) The utility model relates to an improved soil inorganic carbon measuring device, which is characterized in that triangular bottles of different sizes are clamped by the aid of a clamping assembly, two threaded blocks are adjusted by manually adjusting a bidirectional threaded rod to realize adjustment in different directions, the first clamping block and the second clamping block are further moved inwards or outwards simultaneously to realize clamping, soil inorganic carbon measurement is facilitated, when a right glass tube is moved up and down, the threaded rod is driven by a motor to rotate, rotation of a threaded sleeve is realized, further, the first limiting piece at one end of the threaded sleeve is subjected to height adjustment, automatic height adjustment of the glass tube is facilitated, labor is saved, and the movement of the height is more accurate, and is convenient for soil inorganic carbon measurement.

Drawings

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

FIG. 1 is a schematic view of a construction of an improved soil inorganic carbon measuring device according to an embodiment of the present utility model;

FIG. 2 is a front view of an improved soil inorganic carbon measuring device according to an embodiment of the present utility model;

Fig. 3 is an enlarged schematic view of the structure of fig. 1a according to the present utility model.

Reference numerals:

1. A fixing seat; 2. slotting; 3. a handle; 4. a three-way valve; 5. a support column; 6. a first limiting member; 7. a locking block; 8. an adjusting bolt; 9. a first connection block; 10. a connecting pipe; 11. a motor; 12. a threaded rod; 13. a bearing; 14. a thread sleeve; 15. a limit groove; 16. a second connection block; 17. a second limiting piece; 18. a glass tube; 19. a triangular flask; 20. a plastic tube; 21. a clamping assembly; 22. a two-way threaded rod; 23. a screw block; 24. a threaded hole; 25. a first clamping block; 26. a second clamping block; 27. a scale tube.

Detailed Description

The utility model is further described below with reference to the accompanying drawings and detailed description:

example 1

Referring to fig. 1 to 3, embodiment 1 is illustrated, which comprises a fixing seat 1, the fixing seat 1 is located at the bottom end of the whole device, a support column 5 is fixedly installed at the upper end of the fixing seat 1, a first connecting block 9 is fixedly installed at one side of the support column 5, a first limiting piece 6 is installed in an opening formed in the first connecting block 9, a locking block 7 is installed on the first limiting piece 6, an adjusting bolt 8 is fixedly installed at one end of the locking block 7, a scale tube 27 is installed on the locking block 7, a connecting pipe 10 is installed at the upper end and the lower end of the scale tube 27, the upper end of the connecting pipe 10 is connected to a triangular flask 19, the lower end of the connecting pipe 10 is connected to a glass tube 18, a groove 2 is formed in the fixing seat 1, a clamping assembly 21 is installed in the groove 2, a plastic tube 20 is installed in the triangular flask 19, a three-way valve 4 is installed between the triangular flask 19 and the connecting pipe 10, the three-way valve 4 is in the model number Q644F-16P, a motor 11 is installed in the support column 5, a threaded rod 12 is installed at the output end of the motor 11, a threaded sleeve 14 is in threaded connection with a threaded rod 14, a second connecting block 16 is fixedly installed on the threaded sleeve 14, the diameter of the second connecting block 16 is smaller than the diameter of the threaded rod 15, a bearing 13 is installed between the threaded rod 12 and the bearing 13 is installed between the bearing 13 and the bearing 13, the second connecting block is convenient to rotate, the second connecting block is connected to the second connecting block 13, and the second connecting block is in the limiting structure, and the bearing 13 is connected to the second limiting piece 13, and the second bearing 17 is arranged to the limit structure, 17 is convenient to rotate, and is 17, and is connected to the second limiting piece and is 17;

in this embodiment, the glass tube 18 is limited by the second limiting member 17, and the motor 11 drives the threaded rod 12 to rotate to realize the rotation of the threaded sleeve 14, so as to further adjust the height of the first limiting member 17 at one end of the threaded sleeve 14, thereby being convenient for automatically realizing the height adjustment of the glass tube 18.

Example 2

Referring to fig. 3 for illustrating example 2, this embodiment further illustrates example 1, including a clamping assembly 21, a handle 3 is mounted on the clamping assembly 21, the handle 3 is convenient for manually rotating and adjusting the rotation of the whole clamping assembly 21 to achieve clamping, a bidirectional threaded rod 22 is fixedly mounted on the handle 3, symmetrical ends of the bidirectional threaded rod 22 are all connected with threaded blocks 23, bottom ends of the threaded blocks 23 are slidably connected in a chute on the fixing base 1 through a sliding block, threaded holes 24 are formed on the threaded blocks 23, the threaded holes 24 are in threaded connection with the bidirectional threaded rod 22, a first clamping block 25 and a second clamping block 26 are fixedly mounted on the two threaded blocks 23 respectively, and a triangular bottle 19 is arranged between the first clamping block 25 and the second clamping block 26;

In this embodiment, the setting of the clamping assembly 21 adjusts the two threaded blocks 23 through the manual adjustment of the two-way threaded rod 22 to realize adjustment in different directions, and then moves the first clamping block 25 and the second clamping block 26 inwards or outwards simultaneously to realize clamping, which is convenient for measuring the inorganic carbon in the soil.

In specific application, the device is used for measuring the content of inorganic carbon in soil by adopting a gas flow method, taking 3g of air-dried soil with 100 meshes, which is ground, to be placed in the device as shown in the figure, checking the air tightness of the device before test, soaking the soil and bottle wall in a triangular bottle 19 by using distilled water which is boiled to take out CO2, placing about 8mL of 3mol L-1 hydrochloric acid in a 10mL uncovered plastic tube 20, carefully placing the hydrochloric acid in the triangular bottle 19, covering a bottle stopper, opening a three-way valve 4 to enable the gas pressure in the triangular bottle 19 to be consistent with the gas pressure outside the bottle, and switching the three-way valve 4 to a gear communicated with the gas collecting plastic tube 20. The two threaded blocks 23 are adjusted by manually adjusting the two-way threaded rod 22 to realize adjustment in different directions, so that the first clamping block 25 and the second clamping block 26 are simultaneously moved inwards or outwards to realize clamping of the triangular flask 19, shaking is prevented, and acid is poured out of the small plastic pipe 20 to fully react with soil until the liquid level in the scale pipe is no longer changed within one minute. The motor 11 drives the threaded rod 12 to rotate so as to realize the rotation of the threaded sleeve 14, and then the first limiting piece at one end of the threaded sleeve 14 is subjected to height adjustment, so that the height adjustment of the glass tube 18 is conveniently and automatically realized, the liquid level in the glass tube 18 is leveled, the reading of the water level in the graduated tube 27 at the moment is the volume of CO2 at the current temperature and the pressure generated in the test, and the water level is converted into the content of soil carbonate through a corresponding formula.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited to the above-described embodiment, but may be modified or substituted for some of the technical features described in the above-described embodiments by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides an inorganic carbon survey device of modified soil, its characterized in that, including fixing base (1), fixing base (1) are located the bottom of whole device, fixing base (1) upper end fixed mounting has support column (5), support column (5) one side fixed mounting has first connecting block (9), install first locating part (6) in the trompil of seting up on first connecting block (9), install latch segment (7) on first locating part (6), latch segment (7) one end fixed mounting has adjusting bolt (8), install scale pipe (27) on latch segment (7), connecting pipe (10) are all installed to the upper and lower extreme of scale pipe (27), connecting pipe (10) upper end is connected on triangular flask (19), connecting pipe (10) lower extreme is connected on glass pipe (18), set up fluting (2) on fixing base (1), install clamping assembly (21) in fluting (2).

2. The improved soil inorganic carbon measuring device according to claim 1, wherein the handle (3) is installed on the clamping assembly (21), a bidirectional threaded rod (22) is fixedly installed on the handle (3), symmetrical ends of the bidirectional threaded rod (22) are respectively connected with a threaded block (23), the bottom ends of the threaded blocks (23) are slidably connected into sliding grooves on the fixing base (1) through sliding blocks, threaded holes (24) are respectively formed in the threaded blocks (23), and the threaded holes (24) are in threaded connection with the bidirectional threaded rod (22).

3. An improved soil inorganic carbon measuring device according to claim 2, wherein a first clamping block (25) and a second clamping block (26) are fixedly arranged on the two threaded blocks (23), respectively, and a triangular flask (19) is arranged between the first clamping block (25) and the second clamping block (26).

4. An improved soil inorganic carbon measuring device according to claim 1, wherein a plastic pipe (20) is arranged in the triangular flask (19), a three-way valve (4) is arranged between the triangular flask (19) and the connecting pipe (10), and the model of the three-way valve (4) is Q644F-16P.

5. The improved soil inorganic carbon measuring device according to claim 1, wherein a motor (11) is installed in the supporting column (5), a threaded rod (12) is installed at the output end of the motor (11), a threaded sleeve (14) is connected to the threaded rod (12) in a threaded mode, a second connecting block (16) is fixedly installed on the threaded sleeve (14), and the diameter of the second connecting block (16) is smaller than that of the limiting groove (15).

6. An improved soil inorganic carbon measuring device according to claim 5, characterized in that a bearing (13) is mounted between the threaded rod (12) and the support column (5), said bearing (13) being in rotational connection with the threaded rod (12).

7. The improved soil inorganic carbon measuring device according to claim 5, wherein a second limiting member (17) is mounted on the second connecting block (16), and the second limiting member (17) has the same structure as the first limiting member (6).