Device for detecting calcium carbonate in soil

Abstract

The utility model discloses a device for detecting calcium carbonate in soil, which belongs to the technical field of calcium carbonate detection and comprises a support, a reaction bottle arranged on the support, a sealing plug mounted at the top of the reaction bottle, an air guide part mounted on the sealing plug, an air quantity pipe mounted on the support, vertically arranged and provided with scales. A three-way cock is installed at the top of the gas flow pipe, the gas guide piece is communicated with one end of the three-way cock, a side pipe is arranged on one side of the gas flow pipe, the side pipe is vertically arranged and connected with the support, the bottom of the side pipe and the bottom of the gas flow pipe are communicated through a connecting piece to form a communicating vessel, and a feeding piece is installed at the top of the side pipe, so that the operation difficulty can be reduced, and the detection efficiency can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to calcium carbonate detection technical field more specifically, relate to a kind of detection device of calcium carbonate in soil. BACKGROUND

[0002] Calcium carbonate is a kind of common substance in soil, it plays an important influence to the fertility and the acidity and alkalinity of soil, therefore, accurately determining the calcium carbonate content in soil has important role to agricultural production and the evaluation of soil environment, there are many kinds of methods for determining the calcium carbonate content in soil, common method has hydrochloric acid method, acid solution method, neutral solution method and acid-base neutralization method etc., wherein the working principle of hydrochloric acid method is that soil sample and hydrochloric acid are reacted, carbon dioxide gas is generated, the content of calcium carbonate is calculated by the volume of carbon dioxide gas collected, this method is simple in operation, and the result is accurate and reliable.

[0003] The existing hydrochloric acid method for determining calcium carbonate content is assembled by using scattered components, and the device is mainly simple, which can lead to complicated operation in actual use process, thereby leading to low actual detection efficiency, and the above problems are solved by the following solution UTILITY MODEL CONTENT

[0004] In view of the problems existing in the prior art, the purpose of the utility model is to provide a detection device for calcium carbonate in soil, which can reduce the operation difficulty and improve the detection efficiency.

[0005] To solve the above problems, the utility model adopts the following technical scheme.

[0006] A detection device for calcium carbonate in soil, comprising a support, a reaction bottle is placed on the support, a sealing plug is installed on the top of the reaction bottle, a gas guide is installed on the sealing plug, a gasometer is installed on the support, the gasometer is vertically arranged, a scale is provided on the gasometer, a three-way cock is installed on the top of the gasometer, one end of the gas guide and the three-way cock is communicated, a side tube is provided on one side of the gasometer, the side tube is vertically arranged, and the side tube is connected with the support, the bottom of the side tube and the gasometer is communicated by a connecting piece to form a communicating vessel, and a feeding piece is installed on the top of the side tube.

[0007] Preferably, the connecting piece comprises a three-way pipe, a connecting hose and a drain valve, the three-way pipe is T-shaped, the two ends of the three-way pipe are horizontally arranged on the same straight line, and the remaining end is vertically downward arranged, the two ends of the three-way pipe are communicated with the bottom of the corresponding gasometer and the bottom of the side tube through the connecting hose, and the drain valve is installed on the vertically arranged end of the three-way pipe.

[0008] Preferably, the air guide member comprises a connecting pipe and an air hose, the connecting pipe passes through the sealing plug, and the connecting pipe and the sealing plug are fixedly connected, and two ends of the air hose are connected with the bottom of the connecting pipe and one end of the three-way cock respectively.

[0009] Preferably, the feeding member comprises a water injection funnel, the water injection funnel is vertically arranged, the bottom of the water injection funnel is fixedly connected with the top of the side pipe, and the water injection funnel and the side pipe are in communication with each other.

[0010] Preferably, a water overflow port is arranged on the side surface of the side pipe, and a communication valve is arranged at the water overflow port.

[0011] Preferably, the water overflow port is in the same height as the top of the scale.

[0012] Preferably, a positioning ring is arranged on the bracket, and the air hose passes through the positioning ring.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] Firstly, the three-way cock can balance the air pressure inside the side pipe, the connecting member and the gas volume pipe with the outside, so that water can be conveniently added, the air guide member and the gas volume pipe can be communicated, air leakage can be avoided, the feeding member can conveniently add water into the side pipe, the connecting member and the gas volume pipe, water spilling can be avoided, the reaction bottle and the sealing plug are connected, water can be quickly sealed after raw materials are added, air leakage can be reduced, experimental accuracy can be ensured, and the air guide member is used for transmitting generated air to the inside of the gas volume pipe.

[0015] Secondly, the three-way pipe can communicate the side pipe and the gas volume pipe to form a communicating vessel, can quickly discharge liquid in the side pipe and the gas volume pipe through the end connected with the drain valve, and can be conveniently disassembled and cleaned by using the connecting hose to communicate the three-way pipe, the side pipe and the gas volume pipe.

[0016] Thirdly, the connecting pipe is used for communicating the air hose and the reaction bottle, the air hose is made of a hose, the sealing plug or the reaction bottle can be conveniently moved, and operation is convenient.

[0017] Fourthly, the water injection funnel can conveniently add water into the side pipe, can avoid spilling, can reduce waste, and can reduce the trouble of cleaning.

[0018] Fifthly, the water overflow port in the same height as the top of the scale can automatically control the liquid level in the gas volume pipe and the side pipe to be at the top, manual observation and adjustment are not needed, manual operation trouble is reduced, and convenience is improved.

[0019] Sixthly, the positioning ring is used for limiting the air hose, so that the air hose and the three-way cock are not separated due to too large movement amplitude. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the whole front view structural schematic diagram of the utility model;

[0021] Figure 2 It is the side pipe and overflow position structure schematic diagram of the utility model;

[0022] Figure 3 It is the positioning ring and air hose connection structure schematic diagram of the utility model;

[0023] Figure 4 It is the side view structure schematic diagram of the utility model's support;

[0024] Figure 5 It is the three-way pipe, connecting hose and side pipe connection structure schematic diagram of the utility model;

[0025] Figure 6 It is the side pipe and support connection structure schematic diagram of the utility model.

[0026] Mark explanation in the drawing:

[0027] 1, support; 2, reaction bottle; 3, sealing plug; 4, air guide; 5, gasometer; 6, scale; 7, three-way cock; 8, side pipe; 9, connecting piece; 10, feeding piece; 11, three-way pipe; 12, connecting hose; 13, drain valve; 14, connecting pipe; 15, air hose; 16, water injection funnel; 17, overflow; 18, communication valve; 19, positioning ring. DETAILED DESCRIPTION

[0028] Example 1:

[0029] Please refer to Figures 1-6 A kind of detection device of calcium carbonate in soil, including support 1, support 1 includes bottom plate, vertical plate and support plate, bottom plate is horizontally arranged, vertical plate is vertically fixed on bottom plate, support plate is triangular, support plate is arranged on bottom plate, and support plate is located vertically behind, two straight angle edges of support plate are contacted with bottom plate and vertical plate respectively, support plate is perpendicular to bottom plate and support plate respectively, bottom plate is used to contact with ground, to increase contact area, guarantee the stability of placement, vertical plate is used to fixed equipment, support plate supports vertical plate, guarantee the stability of vertical plate.

[0030] The bottom plate is provided with a reaction bottle 2, which can be a flask, a common reaction container in chemical experiments, which is not discussed in this application. The top of the reaction bottle 2 is provided with a sealing plug 3, which is inserted with the reaction bottle 2. The experimental reaction is carried out through the reaction bottle 2, and the sealing plug 3 is sealed. The design of the plug-in connection can facilitate the connection or separation of the sealing plug 3 and the reaction bottle 2, and can ensure the sealing property. The sealing plug 3 is provided with a gas guide 4, which includes a connecting pipe 14 and a gas hose 15. The connecting pipe 14 passes through the sealing plug 3, and the connecting pipe 14 and the sealing plug 3 are fixedly connected. One end of the gas hose 15 is sleeved on one end of the connecting pipe 14. At the same time, the bracket 1 is provided with a positioning ring 19, and the gas hose 15 passes through the positioning ring 19. The positioning ring 19 is used for limiting the gas hose 15 to avoid the movement of the gas hose 15 when the reaction bottle 2 is taken. The connecting pipe 14 is used for the air communication of the gas hose 15, so as to facilitate the gas generated in the reaction bottle 2 to be transported through the gas hose 15. The gas hose 15 is made of soft bone, which can move the sealing plug 3 or the reaction bottle 2 conveniently, and is convenient to operate.

[0031] The vertical plate is provided with a gasometer 5, which is vertically arranged. The gasometer 5 is connected with the vertical plate through two vertically arranged first fixing members. The first fixing member includes a concave block and a pressing block. The concave block is fixed on the vertical plate, and the gasometer 5 is arranged in the recess of the concave block. The pressing block is located at the other end of the concave block, and the end of the pressing block close to the gasometer 5 is also provided with an arc-shaped groove. The grooves and the recesses are provided with elastic pads inside. On the one hand, the elastic pads can protect the gasometer 5 from rigid contact with the concave block and the pressing block, and on the other hand, the elastic pads can increase the friction force to ensure the stability of the position of the gasometer 5 and avoid sliding to cause errors in the measurement results. The elastic pads and the outer side of the gasometer 5 are mutually attached. The pressing block and the vertical plate are fixedly connected through bolts. The design of the first fixing member makes the installation and dismounting process of the gasometer 5 simple and fast, and only needs to loosen or tighten the bolts to complete the operation. After installation, the gasometer 5 can always be in a vertical and stable state and is not affected by slight vibration during the experiment.

[0032] The gasometer 5 is a pipe body with uniform inner diameter. The gasometer 5 is provided with scales 6. The scales 6 are uniformly arranged, and the unit of the scales 6 is milliliter, that is, the measurement accuracy is 1 milliliter. The scales 6 are labeled from top to bottom. The label at the top of the scales 6 is 0, and then the labels are uniformly increased in turn. The scales 6 on the gasometer 5 can facilitate reading of the liquid level height in the gasometer 5 before and after the experiment. At the same time, the unit is milliliter, which can directly read how many milliliters of gas are generated at this time, thereby facilitating direct calculation without volume conversion, reducing the operation steps. The top of the gasometer 5 is provided with a three-way cock 7. One end of the air guide hose 15 away from the connecting pipe 14 is in communication with one end of the three-way cock 7. The three-way cock 7 can be adjusted to directly connect the gasometer 5 and the external air, thereby facilitating the addition of water to the gasometer 5. The three-way cock 7 can also be adjusted to connect the air guide hose 15 and the gasometer 5, thereby transferring the gas generated in the reaction bottle 2 to the gasometer 5.

[0033] A side pipe 8 is arranged on one side of the gasometer 5. The side pipe 8 is vertically arranged and connected by two vertically arranged second fixing members and a vertical plate. The second fixing member and the first fixing member are the same in structure. The side pipe 8 is a pipeline with uniform inner diameter. The side pipe 8 and the bottom of the gasometer 5 are connected by a connecting member 9 to form a communication device. The connecting member 9 includes a three-way pipe 11, a connecting hose 12 and a drain valve 13. The three-way pipe 11 is connected by a third fixing member and a vertical plate. The third fixing member and the first fixing member are the same in structure. The three-way pipe 11 is T-shaped. The two ends of the three-way pipe 11 on the same straight line are horizontally arranged, and the remaining end is vertically arranged downward. The drain valve 13 is installed at the vertically arranged end of the three-way pipe 11. The drain valve 13 is used to control the opening and closing of the port. The port is used to conveniently drain the waste water in the three-way pipe 11, the side pipe 8 and the gasometer 5, thereby facilitating cleaning. The two ends of the three-way pipe 11 horizontally arranged are connected by the connecting hose 12 and the corresponding bottom of the gasometer 5 and the side pipe 8, thereby forming a communication device. The connecting hose 12 can be conveniently detached, thereby facilitating cleaning.

[0034] An upper feeding member 10 is installed at the top of the side pipe 8. The upper feeding member 10 includes a water injection funnel 16. The water injection funnel 16 is vertically arranged. The bottom of the water injection funnel 16 is fixedly connected with the top of the side pipe 8, and the water injection funnel 16 and the side pipe 8 are in communication with each other. The water injection funnel 16 can conveniently add water to the inside of the side pipe 8, can avoid spilling, reduce waste, and can reduce the trouble of picking up.

[0035] The side pipe 8 is provided with a water overflow port 17 on the side, the water overflow port 17 is in the same level with the 0 scale of the scale 6, and a communication valve 18 is arranged at the water overflow port 17, the communication valve 18 is used for controlling the opening and closing of the water overflow port 17, due to the principle of the communicating vessel, the liquid levels at both ends of the communicating vessel are in the same level, the water overflow port 17 is used for discharging the excess water in the communicating vessel, so that the liquid level in the communicating vessel is in the same level with the 0 scale of the scale 6, and the manual adjustment of the liquid level is not needed, and the operation difficulty is reduced.

[0036] Working principle:

[0037] Before use, the user first rotates the three-way cock 7, ensures that the gas flow pipe 5 and the three-way cock 7 which is in contact with the outside environment are communicated, then adds water to the side pipe 8 through the water adding funnel 16, at this time, due to that one end of the gas flow pipe 5 is in contact with the outside environment, the gas flow pipe 5, the connecting hose 12, the three-way pipe 11 and the side pipe 8 form a communicating vessel, the liquid in the side pipe 8 flows into the gas flow pipe 5, until the liquid level in the gas flow pipe 5 is higher than the 0 scale of the scale 6, at this time, the water adding is stopped, the communication valve 18 is opened, the communication valve 18 opens the water overflow port 17, the water in the communicating vessel which is higher than the water overflow port 17 is discharged through the water overflow port 17, until the water overflow port 17 does not discharge water any more, the communication valve 18 is closed, according to the principle of the communicating vessel, the liquid levels at both ends of the communicating vessel are in the same level, that is, the liquid level in the communicating vessel is equal to the height of the water overflow port 17, is equal to the height of the 0 scale of the scale 6, so that the trouble of manual adjustment is avoided, and the operation is convenient, then the three-way cock is rotated to the communicating end of the gas flow pipe 5 and the air guide hose 15.

[0038] The soil sample is put into the reaction bottle 2, hydrochloric acid solution is added dropwise into the reaction bottle 2, and the sealing plug 3 is quickly connected with the reaction bottle 2, the calcium carbonate between the hydrochloric acid and the soil sample reacts, so that gas is generated, the generated gas is transmitted to the gas flow bottle through the air hose, so that the liquid in the gas flow bottle is moved downwards, until the liquid is not moved, the scale 6 corresponding to the liquid level at this time is read, the second reading is subtracted from the first reading, the volume of the gas generated in this reaction is obtained, and the content of the calcium carbonate in the soil is obtained through subsequent calculation.

[0039] When the detection is completed, the water in the communicating vessel can be quickly discharged by opening the drain valve 13 and the three-way cock 7, so that the subsequent maintenance is facilitated, and the trouble of manual drainage after disassembly is avoided.

Claims

1. A device for detecting calcium carbonate in soil, characterised in that: The utility model provides a reaction bottle feeding device, including support (1), the reaction bottle (2) is placed on support (1), the top of reaction bottle (2) is installed sealing plug (3), sealing plug (3) is installed guide air piece (4), support (1) is installed gasometer (5), gasometer (5) is vertically arranged, the scale (6) is provided on gasometer (5), the top of gasometer (5) is installed three -way cock (7), guide air piece (4) and one end of three -way cock (7) are communicated, one side of gasometer (5) is provided with side pipe (8), side pipe (8) is vertically arranged, and side pipe (8) is connected with support (1), the bottom of side pipe (8) and gasometer (5) are communicated to form the intercommunicator through connecting piece (9), the top of side pipe (8) is installed loading element (10).

2. A device for detecting calcium carbonate in soil according to claim 1, characterised in that: The connecting piece (9) includes three -way pipe (11), connecting hose (12) and drain valve (13), the three -way pipe (11) is T-shaped, the three -way pipe (11) is horizontally arranged at both ends of the same straight line and the remaining end is vertically arranged downward, the both ends of three -way pipe (11) are communicated with the bottom of corresponding gasometer (5) and side pipe (8) through connecting hose (12) respectively, and the drain valve (13) is installed at the vertically arranged end of three -way pipe (11).

3. A device for detecting calcium carbonate in soil according to claim 1, characterized in that: The guide air piece (4) includes connecting pipe (14) and guide air hose (15), the connecting pipe (14) passes through sealing plug (3), and the connecting pipe (14) is fixedly connected with sealing plug (3), and the both ends of guide air hose (15) are connected with the bottom of connecting pipe (14) and one end of three -way cock (7) respectively.

4. A device for detecting calcium carbonate in soil according to claim 1, characterized in that: The loading element (10) includes water injection funnel (16), the water injection funnel (16) is vertically arranged, the bottom of water injection funnel (16) is fixedly connected with the top of side pipe (8), and the water injection funnel (16) and side pipe (8) are communicated with each other.

5. A device for detecting calcium carbonate in soil according to claim 1, characterized in that: The overflow port (17) is arranged on the side of side pipe (8), and the communicating valve (18) is arranged on the overflow port (17).

6. A device for detecting calcium carbonate in soil according to claim 5, characterised in that: The overflow port (17) is at the same height with the top of scale (6).

7. A device for detecting calcium carbonate in soil according to claim 3, characterized in that: The positioning ring (19) is arranged on the support (1), and the guide air hose (15) passes through the positioning ring (19).

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