CN214373460U - Soil inorganic pollutant hexavalent chromium pretreatment device - Google Patents
Soil inorganic pollutant hexavalent chromium pretreatment device Download PDFInfo
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- CN214373460U CN214373460U CN202120076532.9U CN202120076532U CN214373460U CN 214373460 U CN214373460 U CN 214373460U CN 202120076532 U CN202120076532 U CN 202120076532U CN 214373460 U CN214373460 U CN 214373460U
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Abstract
The invention provides a soil inorganic pollutant hexavalent chromium pretreatment device, which at least comprises: the soil pretreatment device comprises a shell, a soil collection assembly arranged on the front end side of the shell, a fine crushing assembly and a metal extraction assembly arranged in the shell, wherein the soil collection assembly, the fine crushing assembly and the metal extraction assembly are sequentially communicated and connected, a conveying piece is arranged in the soil collection assembly, a soil collection piece is arranged at the bottom of the soil collection assembly, the metal extraction assembly comprises a metal extraction chamber and an extracting solution conveying pipe inserted in the metal extraction chamber, the soil pretreatment device for inorganic matter pollution is particularly suitable for detecting the heavy metal content of soil, the mechanical soil collection of the soil and the convenient extraction of the heavy metal can be realized, and the working pressure of detection personnel is reduced.
Description
Technical Field
The invention relates to the field of soil detection, in particular to a soil inorganic pollutant hexavalent chromium pretreatment device.
Background
Inorganic pollutants refer to pollutants composed of inorganic substances, such as various toxic metals and oxides, acids, alkalis, salts, sulfides, halides and the like thereof, wherein heavy metals such as lead, cadmium, mercury and copper can be accumulated in sediments or soil and harm human bodies and organisms through a food chain.
The soil environment monitoring means that the environment quality (or pollution degree) and the change trend thereof are determined through measuring the representative value of factors influencing the soil environment quality, and the content of various pollutants in the soil needs to be detected in order to obtain the soil quality, wherein the content of heavy metals in the soil is an important index for soil quality detection.
At present, soil heavy metal detection needs detection personnel to manually dig outdoor soil, place the soil in a sealed environment for storage and transportation to a detection center for detection, and the heavy metal of the soil needs to be detected after being separated from the soil. However, the manual soil digging mode of the detection personnel can increase the working pressure of the detection personnel, and meanwhile, the soil is easily subjected to secondary pollution in the conveying process, so that the final detection effect is influenced.
Disclosure of Invention
The invention aims to provide a soil inorganic pollutant hexavalent chromium pretreatment device, which is particularly suitable for detecting the content of hexavalent chromium in soil, can realize mechanical soil collection of soil and convenient extraction of heavy metals, and reduces the working pressure of detection personnel.
In order to achieve the above object, the present technical solution provides a soil inorganic pollutant hexavalent chromium pretreatment device, which at least includes: the soil collection device comprises a shell, a soil collection component arranged on the front end side of the shell, a fine crushing component and a metal extraction component, wherein the fine crushing component and the metal extraction component are arranged in the shell, the soil collection component, the fine crushing component and the metal extraction component are sequentially communicated and connected, a conveying piece is arranged in the soil collection component, a soil collection piece is arranged at the bottom of the soil collection component, and the metal extraction component comprises a metal extraction chamber and an extraction liquid conveying pipe inserted in the metal extraction chamber.
In some embodiments, the soil sampling assembly comprises a soil sample conveying pipe obliquely arranged on the front end side of the shell, the soil sampling member is arranged at the bottom of the soil sample conveying pipe, and the other end of the soil sample conveying pipe is arranged on the front end side of the shell and is communicated with the fine crushing assembly.
In some embodiments, the soil sampling member comprises a soil sampling knife arranged at the inner bottom of the soil sample conveying pipe, the front end side of the soil sampling knife is arc-shaped, the front end side of the soil sampling knife protrudes out of the soil sample conveying pipe, and the soil sampling knife is connected with the soil sample conveying pipe through a fastener.
In some embodiments, the fine crushing assembly comprises a fine crushing chamber, and a fine crushing roller disposed within the fine crushing chamber.
In some embodiments, the fine crushing chamber is positioned below one end of the soil sample conveying pipe close to the shell, and the fine crushing pipe is connected with the second motor.
In some embodiments, the bottom end of the fining chamber is connected to the metal extraction assembly by a feed tube, wherein the feed tube is disposed obliquely downward.
In some embodiments, an electrically controlled valve is provided between the fining chamber and the metal extraction assembly.
In some embodiments, the extract is 0.1mol/L NaNO3。
In some embodiments, the metal extraction assembly includes an extractor tube inserted into the metal extraction chamber, the other end of the extractor tube being connected to the motor and to the collection container.
In some embodiments, the bottom of the metal extraction chamber is provided with a rotating roller to which a motor is connected.
Compared with the prior art, the technical scheme has the following characteristics and beneficial effects:
1. the front end of the shell is provided with a soil sampling assembly, the soil sampling assembly is provided with a soil sampling cutter, the soil sampling cutter is obliquely inserted into soil and realizes soil excavation in the forward pushing process, the excavated soil is conveyed into the fine crushing assembly to be crushed, and in this way, the mechanical soil sampling of the soil is realized.
2. The mined soil is finely divided by the fine crushing assembly so that the subsequent metal extraction assembly more fully extracts hexavalent chromium from the soil.
3. The extracting solution is poured into the metal extracting chamber, and the extracting solution and the soil are mechanically rotated in the metal extracting chamber, so that the extracting solution can more comprehensively extract hexavalent chromium in the soil.
Drawings
Fig. 1 is a schematic structural diagram of a soil inorganic pollutant hexavalent chromium pretreatment device according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a soil-working assembly according to an embodiment of the present invention.
In the figure: 10-shell, 20-pulley, 30-soil sampling component, 31-soil sample conveying pipe, 32-soil sampling component, 321-soil sampling knife, 322-fastener, 33-conveying component, 34-first motor, 40-fine crushing component, 41-second motor, 42-fine crushing roller, 43-fine crushing chamber, 44-conveying pipe, 50-metal extraction component, 51-metal extraction chamber, 52-liquid extracting pipe, 53-liquid extracting pipe and 54-rotating roller.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced devices or components must be constructed and operated in a particular orientation and thus are not to be considered limiting.
It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.
As shown in fig. 1, according to the utility model discloses a hexavalent chromium pretreatment device's of soil inorganic pollutant structure is shown, this hexavalent chromium pretreatment device of soil inorganic pollutant includes at least: the soil sampler comprises a shell 10, a soil sampling assembly 30 arranged on the front end side of the shell 10, a fine crushing assembly 40 and a metal extraction assembly 50 which are arranged in the shell 10, wherein the soil sampling assembly 30, the fine crushing assembly 40 and the metal extraction assembly 50 are sequentially communicated and connected, a conveying piece 33 is arranged in the soil sampling assembly 30, a soil sampling piece 32 is arranged at the bottom of the soil sampling assembly, and the metal extraction assembly 50 comprises a metal extraction chamber 51 and an extracting solution conveying pipe 53 inserted in the metal extraction chamber 51.
Specifically, the soil sampling assembly 30 comprises a soil sample conveying pipe 31 obliquely arranged at the front end side of the shell 10, a soil sampling member 32 is arranged at the bottom of the soil sample conveying pipe 31, and the bottom of the soil sampling member 32 is arranged to be level with the ground; the other end of the soil sample delivery pipe 31 is disposed at the front end side of the housing 10 and is communicated with the fine crushing assembly 40.
As shown in fig. 2, the soil sampling member 32 includes a soil sampling blade 321 disposed at the inner bottom of the soil sample delivery pipe 41, the front end of the soil sampling blade 321 is arc-shaped, and the front end of the soil sampling blade 321 protrudes out of the soil sample delivery pipe 41, and the soil sampling blade 321 is connected to the soil sample delivery pipe 41 by a fastening member 322. When the sampling member 32 is placed on the soil, and is pushed forward, the sampling member 32 samples the soil into the soil sample delivery pipe 41.
The conveying member 33 is a tilted conveyor belt, and the conveying member 33 is connected with a first motor 34 disposed in the housing 10 to realize transmission under the driving of the first motor 34. In this embodiment, conveyor 33 conveys soil upwardly into fine crushing assemblies 40.
The fine crushing unit 40 includes a fine crushing chamber 43, and a fine crushing roller 42 disposed in the fine crushing chamber 43. Wherein the fine crushing chamber 43 is positioned below one end of the soil sample conveying pipe 31 close to the shell 10 to receive soil conveyed from the soil sample conveying pipe 31, and the fine crushing roller 42 is used for finely crushing the soil. In this embodiment, the fine crushing pipe 42 is connected to the second motor 41 so that the fine crushing roller 42 is rotated by the second motor 41 to finely crush the soil.
In one embodiment of the present disclosure, the crushing roller 42 includes two rollers disposed side by side, the rollers are provided with spiral lines, and the spiral lines on the surfaces of the two rollers are staggered with each other, and the rollers rotate in opposite directions to crush the rolled soil.
The bottom end of the fine crushing chamber 43 is connected to the metal extraction assembly 50 by a transfer pipe 44, wherein the transfer pipe 44 is disposed obliquely downward to transfer soil in the fine crushing chamber 43 into the metal extraction assembly 50. In some embodiments, an electrically controlled valve is provided between the pulverizing chamber 43 and the metal extraction assembly 50, and the communication between the pulverizing chamber 43 and the metal extraction assembly 50 is controlled by controlling the opening and closing of the valve.
The delivery pipe 44 of the fine crushing chamber 43 extends into the metal extraction chamber 51, the extraction liquid delivery pipe 53 extends into the metal extraction chamber 51 through the rear end of the shell 10, and the extraction liquid delivery pipe 53 is clamped and fixed on the shell 10. The inspector carries the extraction liquid into the metal extraction chamber 51 through the extraction liquid carrying pipe 53 to extract the heavy metals in the soil.
In the embodiment of the present invention, the extract may be NaNO of 0.1mol/L3The extracting solution enables heavy metals in the soil to be dissolved into the extracting solution from the surface of soil particles, and the extracting solution is statically placed and then solid-liquid separation is carried out on the mixture of the extracting solution and the soil, so that the heavy metals can be separated into the extracting solution from the soil.
In order to facilitate the extraction liquid to be obtained, the metal extraction assembly 50 of the present embodiment additionally includes a liquid extraction pipe 52 inserted into the metal extraction chamber 51, the other end of the liquid extraction pipe 52 is connected to the motor and the collection container, and the extraction liquid after extracting the heavy metal reaches the collection container after being extracted by the negative pressure of the liquid extraction pipe 52 and is collected.
The bottom of the metal extracting chamber 51 is provided with a rotating roller 54 connected with a motor, the rotating roller 54 comprises a rotating shaft and blades arranged on the rotating shaft in a surrounding way, and soil and extracting solution can be mixed more comprehensively through the rotation of the rotating roller 54.
The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by anyone in the light of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as those of the present application, fall within the protection scope of the present invention.
Claims (10)
1. The utility model provides a hexavalent chromium pretreatment device of soil inorganic pollutant which characterized in that includes at least:
the soil sampler comprises a shell (10), a soil sampling assembly (30) arranged on the front end side of the shell (10), a fine crushing assembly (40) and a metal extraction assembly (50) which are arranged in the shell (10), wherein the soil sampling assembly (30), the fine crushing assembly (40) and the metal extraction assembly (50) are sequentially communicated and connected, a conveying piece (33) is arranged in the soil sampling assembly (30), a soil sampling piece (32) is arranged at the bottom of the soil sampling assembly, and the metal extraction assembly (50) comprises a metal extraction chamber (51) and an extraction liquid conveying pipe (53) inserted into the metal extraction chamber (51).
2. The pretreatment device for hexavalent chromium containing soil as recited in claim 1, wherein the soil sampling assembly (30) comprises a soil sample delivery pipe (31) obliquely disposed at a front end side of the housing (10), the soil sampling member (32) is disposed at a bottom of the soil sample delivery pipe (31), and another end of the soil sample delivery pipe (31) is disposed at the front end side of the housing (10) and is communicated with the fine crushing assembly (40).
3. The pretreatment device for hexavalent chromium containing soil as recited in claim 2, wherein the soil sampling member (32) comprises a soil sampling knife (321) disposed at the bottom of the inner side of the soil sample delivery pipe (31), the front end of the soil sampling knife (321) is arc-shaped, the front end of the soil sampling knife (321) protrudes out of the soil sample delivery pipe (31), and the soil sampling knife (321) is connected to the soil sample delivery pipe (31) through a fastening member (322).
4. The soil inorganic contaminant hexavalent chromium pretreatment apparatus according to claim 2, wherein the fine crushing assembly (40) comprises a fine crushing chamber (43), and a fine crushing roller (42) disposed in the fine crushing chamber (43).
5. The pretreatment device for hexavalent chromium containing soil as recited in claim 4, wherein the fine crushing chamber (43) is located below an end of the soil sample delivery pipe (31) close to the housing (10), and the fine crushing roller (42) is connected to the second motor (41).
6. The pretreatment device for hexavalent chromium containing soil as recited in claim 4, wherein the bottom end of the fine crushing chamber (43) is connected to the metal extraction assembly (50) through a transfer pipe (44), wherein the transfer pipe (44) is disposed obliquely downward.
7. The pretreatment device for soil inorganic pollutant hexavalent chromium according to claim 4, wherein an electrically controlled valve is disposed between the fine crushing chamber (43) and the metal extraction assembly (50).
8. The soil inorganic pollutant hexavalent chromium pretreatment device of claim 1, wherein the extract is 0.1mol/L NaNO3。
9. The soil inorganic contaminant hexavalent chromium pretreatment apparatus according to claim 1, wherein the metal extraction assembly (50) comprises an extraction tube (52) inserted into the metal extraction chamber (51), and the other end of the extraction tube (52) is connected to the motor and the collection container.
10. The pretreatment device of soil inorganic pollutant hexavalent chromium according to claim 1, wherein a rotating roller (54) connected with a motor is provided at the bottom of the metal extraction chamber (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120076532.9U CN214373460U (en) | 2021-01-12 | 2021-01-12 | Soil inorganic pollutant hexavalent chromium pretreatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120076532.9U CN214373460U (en) | 2021-01-12 | 2021-01-12 | Soil inorganic pollutant hexavalent chromium pretreatment device |
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| Publication Number | Publication Date |
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| CN214373460U true CN214373460U (en) | 2021-10-08 |
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| CN202120076532.9U Active CN214373460U (en) | 2021-01-12 | 2021-01-12 | Soil inorganic pollutant hexavalent chromium pretreatment device |
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- 2021-01-12 CN CN202120076532.9U patent/CN214373460U/en active Active
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