CN111751156A - Biomass charcoal deep-buried layer structure and deep heavy metal adsorption detection method - Google Patents
Biomass charcoal deep-buried layer structure and deep heavy metal adsorption detection method Download PDFInfo
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- CN111751156A CN111751156A CN202010744142.4A CN202010744142A CN111751156A CN 111751156 A CN111751156 A CN 111751156A CN 202010744142 A CN202010744142 A CN 202010744142A CN 111751156 A CN111751156 A CN 111751156A
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- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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Abstract
A biomass charcoal deep buried layer structure and a deep heavy metal adsorption detection method relate to the field of soil remediation and heavy metal adsorption. The biomass charcoal deeply-buried layer structure comprises a first substrate layer, a second substrate layer, an adsorption layer, a first covering layer, a second covering layer and a sampling tube. The adsorption layer is composed of biomass charcoal. The sampling tube penetrates through the adsorption layer. The sampling tube comprises an outer tube and an inner core, wherein the inner core comprises a rotating shaft, a rotating disc, a sliding strip and a guide plate. The rotary disc is rotatably matched with the outer tube, a sliding groove is formed in the disc surface of the rotary disc, and the sliding strip is slidably matched with the sliding groove. The rotating shaft is fixedly connected with the rotating disc, and the guide plate is fixedly connected with the inner wall of the outer tube. The draw runner has the guide post, and the guiding groove has been seted up to the deflector, and the guide post cooperates in the guiding groove. The slide has a sampling cavity. The outer tube is provided with a sampling port. The pivot is used for driving the carousel to make the guide post push the draw runner under the guide of guiding groove and stretch into the adsorbed layer sample. The soil conditioner is simple in structure, convenient to implement and capable of continuously improving soil.
Description
Technical Field
The invention relates to the field of soil remediation and heavy metal adsorption, in particular to a biomass charcoal deep buried layer structure and a deep heavy metal adsorption detection method.
Background
Heavy metal contamination of soil and food crops is a ubiquitous environmental problem resulting from industrial, uncontrolled, unsustainable, urbanized and intensive agricultural practices. As a class of toxic substances, heavy metals pose a high threat to soil quality, food safety and human health. The treatment of heavy metal pollution of soil is not slow at all.
In view of this, the present application is specifically made.
Disclosure of Invention
The first purpose of the invention is to provide a biomass charcoal deep-buried layer structure which is simple in structure, convenient to implement and low in implementation difficulty, can effectively and continuously improve soil, adsorbs heavy metals in the soil, effectively removes the heavy metals in the soil, contributes to continuously improving the soil quality and improving the crop quality; in addition, the adsorption monitoring system is convenient to monitor and control, can evaluate the adsorption condition very conveniently, is convenient for subsequent maintenance and continuous optimization, and has positive significance for continuously improving the adsorption effect.
The second purpose of the invention is to provide a deep heavy metal adsorption detection method, which is simple and convenient to operate and convenient to implement, can be used for conveniently sampling an adsorption layer, and has positive significance for continuously monitoring and optimizing adsorption effect.
The embodiment of the invention is realized by the following steps:
the utility model provides a living beings charcoal buries layer structure deeply, it includes by supreme down in proper order: the substrate comprises a first substrate layer, a second substrate layer, an adsorption layer, a first covering layer and a second covering layer. The first substrate layer and the first covering layer are both made of broken stones, the second substrate layer is made of silt, the second covering layer is a soil layer, and the adsorption layer is made of biomass charcoal.
The biomass charcoal buries layer structure deeply still is provided with the sampling tube, and the sampling tube runs through to the adsorbed layer. The sampling tube comprises an outer tube and an inner core, wherein the inner core comprises a rotating shaft, a rotating disc, a sliding strip and a guide plate.
The rotary disc is rotatably matched with the inner wall of the outer tube, a sliding groove is formed in the disc surface of the rotary disc, and the sliding strip is slidably matched with the sliding groove. The rotating shaft is fixedly connected with the rotating disc, and the guide plate is fixedly connected with the inner wall of the outer tube. The slide bar is provided with a guide post, the guide plate is provided with a guide groove, and the guide post is matched with the guide groove in a sliding mode.
The slide has a sampling cavity formed by a sidewall depression thereof. The outer tube is provided with a sampling port for the slide bar to extend out. The pivot is used for driving the carousel and rotates to make the guide post push the draw runner under the guide of guiding groove and stretch into the adsorbed layer through the sample connection, thereby take in the sample chamber with the sample.
Furthermore, the depth of the sliding groove is the same as the thickness of the sliding strip, and the width of the sliding groove is the same as the width of the sliding strip. The port portion of spout is provided with the rubber circle, and the rubber circle is with draw runner interference fit.
Furthermore, the spout sets up along the radial of carousel, and pivot fixed connection is in the quotation of carousel. The end wall of the rotating shaft is erected on the sliding groove, and the rotating shaft is fixedly connected to the two side edges of the sliding groove.
Furthermore, the guide plate is semicircular and is provided with a abdicating notch abdicating for the rotating shaft. The guide plate is movably matched with the rotating shaft along the circumferential direction of the rotating shaft. The guide groove is in a long strip shape and is parallel to the straight edge of the guide plate.
Further, the sampling opening extends in an arc shape along the circumferential direction of the outer pipe.
Further, along the axial of outer tube, the external diameter of sample connection is less than the thickness of carousel, and the inner wall of the outer tube of sample connection both sides all laminates with the carousel.
Furthermore, the inner cores are in multiple groups, the multiple groups of inner cores are sequentially arranged along the axial direction of the outer tube, and the rotating shaft of one group of inner cores is fixedly connected with the rotating disc of the other group of inner cores.
Further, the outer tube includes a sampling section and a drive section that are removably connected. The inner core is arranged in the sampling section. The drive section is rotationally provided with a drive shaft, and the drive shaft is detachably connected with the rotating shaft of the inner core in a transmission way.
Further, the tip of drive shaft is provided with the drive branch that sets up along its circumference even interval, and drive branch all sets up along the radial of drive shaft, and drive branch all is cylindricly. The end of the rotating shaft of the inner core for transmission connection with the driving shaft is provided with a fitting piece. The fitting piece sets up along the radial of pivot, and a plurality of fitting pieces set up along the even interval of circumference of pivot. The fitting piece is provided with a fitting groove used for being matched with the driving support rod, the cross section of the groove wall of the fitting groove is an arc, and the corresponding central angle degree of the arc is 180 degrees.
A deep heavy metal adsorption detection method utilizing the biomass charcoal deep buried layer structure comprises the following steps: the rotating shaft is driven to rotate, and sampling is completed. The sampling tube is drawn out, and the sample is taken out.
The embodiment of the invention has the beneficial effects that:
according to the biomass charcoal deep-buried layer structure provided by the embodiment of the invention, the first substrate layer formed by the broken stones is arranged at the bottom, so that the main body supporting effect can be achieved, and the local collapse and the deformation of the layered structure can be reduced. The second stratum basale that constitutes by silt can play supplementary supporting role, and the first overburden that constitutes by silt then can carry out "capping" to the adsorbed layer, avoids the adsorbed layer to appear tearing, strengthens the planarization and the closely knit nature of adsorbed layer, and second stratum basale and first overburden still improve the compatibility of adsorbed layer and surrounding environment simultaneously, are convenient for adsorb heavy metal ion smoothly. The second covering layer is a soil layer and is used for deeply burying the main body function part of the biomass charcoal deep-buried layer structure.
In the use, rotate the pivot, at carousel pivoted in-process, the draw runner also rotates relative deflector, and under the guide of guiding groove, the guide post can slide along the guiding groove, and the draw runner can be driven by the guide post, makes the draw runner slide along the spout to make the draw runner stretch into the adsorbed layer from the sample connection, collect the sample chamber in the middle of with the biomass charcoal in the adsorbed layer, accomplish the sample.
Through above operation, can conveniently accomplish and take a sample to the adsorbed layer, the back that finishes of taking a sample, will take out the sample in the sample chamber, through detecting adsorbed total metallic element in the sample, can directly assess the adsorption efficiency of adsorbed layer and the whole effect of living beings charcoal buries layer structure deeply. Through the detection to the sample, can also bury the remaining adsorbability, adsorption efficiency, the adsorption stability of layer structure deeply to the biomass charcoal and carry out the comprehensive evaluation, to constantly optimizing the bulk property of the layer structure deeply to the biomass charcoal, grasp the soil and improve the condition and have positive meaning.
For example, if it is detected that the biomass charcoal of the adsorption layer is saturated with heavy metal elements, the deep-buried adsorption layer can be dug out for uniform recovery processing. And a new adsorption layer is redeployed to carry out the heavy metal adsorption work of the next period.
In general, the biomass charcoal deep-buried layer structure provided by the embodiment of the invention has the advantages of simple structure, convenience in implementation and low implementation difficulty, can effectively and continuously improve soil, adsorbs heavy metals in the soil, effectively removes the heavy metals in the soil, and is beneficial to continuously improving the soil quality and improving the crop quality; in addition, the adsorption monitoring system is convenient to monitor and control, can evaluate the adsorption condition very conveniently, is convenient for subsequent maintenance and continuous optimization, and has positive significance for continuously improving the adsorption effect. The deep heavy metal adsorption detection method provided by the embodiment of the invention is simple and convenient to operate and convenient to implement, can be used for conveniently sampling the adsorption layer, and has positive significance for continuously monitoring and optimizing the adsorption effect.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a biomass charcoal deep-buried layer structure provided in an embodiment of the present invention;
FIG. 2 is a schematic structural view of a slide bar of a sampling tube of the biomass charcoal deep-buried layer structure in FIG. 1 in a first working state;
FIG. 3 is a schematic structural view of a slide bar of a sampling tube of the biomass charcoal deep-buried layer structure in FIG. 1 in a second working state;
FIG. 4 is a schematic structural view of a slide bar of a sampling tube of the biomass charcoal deep-buried layer structure in FIG. 1 in a third working state;
FIG. 5 is a schematic structural view of a slide bar of a sampling tube of the biomass charcoal deep-buried layer structure in FIG. 1 in a fourth working state;
FIG. 6 is a schematic structural view of a slide bar of a sampling tube of the biomass charcoal deep-buried layer structure in FIG. 1 in a fifth working state;
FIG. 7 is a schematic view of the sample tube of FIG. 2 in a first perspective of the turntable and spindle;
FIG. 8 is an enlarged view of area A of FIG. 7;
FIG. 9 is a schematic view of the sample tube of FIG. 2 in a second perspective of the carousel and spindle;
FIG. 10 is a schematic view of the external structure of the sampling tube of the biomass charcoal deep-buried layer structure in FIG. 1;
FIG. 11 is an enlarged view of area B of FIG. 10;
FIG. 12 is a schematic view of the slide of the sampling tube of FIG. 2;
FIG. 13 is a schematic view of the mating of the drive section and the sampling section of the sampling tube of FIG. 2;
figure 14 is a schematic view of the mating of the drive shaft of the sampling tube and the spindle of the core of figure 2.
Icon: a biomass charcoal deep-buried layer structure 1000; a first substrate layer 100; a second substrate layer 200; an absorbent layer 300, a first cover layer 400; a second cover layer 500; a sampling tube 600; an outer tube 610; a sampling port 611; a sampling section 612; a drive section 613; a drive shaft 613 a; drive strut 613 b; a rotating shaft 710; a turntable 720; a chute 721; a rubber ring 722; a slide bar 730; a guide post 731; a sampling lumen 732; a guide plate 740; a guide groove 741; a straight edge 742; a fitting 810; fitting grooves 811.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Examples
Referring to fig. 1, the present embodiment provides a biomass charcoal deep-buried layer structure 1000. The biomass charcoal deep-buried layer structure 1000 comprises from bottom to top in sequence: a first substrate layer 100, a second substrate layer 200, an adsorption layer 300, a first cover layer 400, and a second cover layer 500. The first substrate layer 100 and the first covering layer 400 are both made of crushed stone, the second substrate layer 200 is made of silt, the second covering layer 500 is a soil layer, and the adsorption layer 300 is made of biomass charcoal.
The biomass charcoal may be, but is not limited to, tobacco stem biomass charcoal, pinecone biomass charcoal, rape stem biomass charcoal, reed biomass charcoal, and the like. In the present embodiment, the biomass charcoal of the adsorption layer 300 is reed biomass charcoal.
Aiming at the overall structure of the biomass charcoal deep-buried layer structure 1000, the first substrate layer 100 composed of broken stones is arranged at the bottom, so that the main body supporting effect can be achieved, and the local collapse and the deformation of a layered structure are reduced. Second stratum basale 200 that constitutes by silt can play supplementary supporting role, and first overburden 400 that constitutes by silt then can carry out "capping" to adsorbed layer 300, avoids adsorbed layer 300 to appear tearing, strengthens adsorbed layer 300's planarization and closely knit nature, and second stratum basale 200 and first overburden 400 still improve adsorbed layer 300 and surrounding environment's compatibility simultaneously, are convenient for adsorb heavy metal ion smoothly. The second cover layer 500 is a soil layer for deeply burying the main functional part of the biochar deep buried layer structure 1000.
It should be noted that the thickness of the second covering layer of the biomass charcoal deep-buried layer structure 1000 can be generally set at 5-8 m, the thickness of the first covering layer can be generally set at 40-60 cm, the thickness of the adsorption layer can be generally set at 3-5 m, the thickness of the second substrate layer can be generally set at 40-60 cm, and the thickness of the first substrate layer can be generally set at 0.8-1.5 m. Is suitable for deep burying to remove heavy metals.
Referring to fig. 2, the biomass charcoal deep-buried layer structure 1000 is further provided with a sampling tube 600, the sampling tube 600 is substantially arranged along the vertical direction, and the bottom end of the sampling tube 600 penetrates through the adsorption layer 300. Sampling tube 600 includes outer tube 610 and inner core, which includes shaft 710, dial 720, slide 730, and guide plate 740.
The outer tube 610 of the sampling tube 600 is cylindrical, the rotating disc 720 is rotatably fitted to the inner wall of the outer tube 610, the rotating axis of the rotating disc 720 is overlapped with the central axis thereof, the rotating axis of the rotating disc 720 is perpendicular to the disc surface thereof, and the rotating axis of the rotating disc 720 is overlapped with the central axis of the outer tube 610.
The disk surface of the rotating disk 720 is provided with a sliding groove 721, and the sliding strip 730 is slidably matched with the sliding groove 721. The shaft 710 is fixedly connected to the rotating plate 720, and the guide plate 740 is fixedly connected to the inner wall of the outer tube 610. The slide 730 has a guide post 731, the guide plate 740 has a guide groove 741, and the guide post 731 is slidably engaged with the guide groove 741.
In use, the rotating shaft 710 is rotated, and during the rotation of the rotating disc 720, the slide 730 also rotates relative to the guide plate 740, the guide posts 731 slide along the guide slots 741, and the slide 730 is driven by the guide posts 731, so that the slide 730 slides along the sliding slots 721, and the slide 730 extends into the adsorption layer 300 from the sampling port 611, and the biomass charcoal in the adsorption layer 300 is collected in the sampling cavity 732, thereby completing sampling. As shown in fig. 2-6.
Through above operation, can conveniently accomplish and take a sample to adsorbed layer 300, the back of finishing taking a sample, take out sampling tube 600, take out the sample in the chamber 732 that will take a sample, through detecting adsorbed total metallic element in the sample, can directly assess adsorbed layer 300's adsorption efficiency and the whole effect that the living beings charcoal buries layer structure 1000 deeply. Through the detection to the sample, can also bury the remaining adsorbability, adsorption efficiency, the adsorption stability of layer structure 1000 deeply to the biomass charcoal and carry out the comprehensive evaluation, to constantly optimizing the bulk property of the layer structure 1000 deeply to the biomass charcoal, grasp the soil and improve the condition and have the positive meaning.
For example, if it is detected that the biomass charcoal of the adsorption layer 300 is saturated with heavy metal elements, the adsorption layer 300 buried deeply may be dug out for uniform recovery processing. And a new adsorption layer 300 is redeployed to perform the heavy metal adsorption work of the next period.
In general, the biomass charcoal deep-buried layer structure 1000 has a simple structure, is convenient to implement, has low implementation difficulty, can effectively and continuously improve soil, adsorbs heavy metals in the soil, effectively removes the heavy metals in the soil, and is beneficial to continuously improving the soil quality and improving the crop quality; in addition, the adsorption monitoring system is convenient to monitor and control, can evaluate the adsorption condition very conveniently, is convenient for subsequent maintenance and continuous optimization, and has positive significance for continuously improving the adsorption effect.
Further, referring to fig. 7 to 12, in the present embodiment, the sliding slot 721 is formed by a wall surface of the rotating plate 720 being recessed. The depth of the sliding slot 721 is the same as the thickness of the sliding strip 730, and the width of the sliding slot 721 is the same as the width of the sliding strip 730, so that the sliding strip 730 can be fully fitted into the sliding slot 721. The port portion of the sliding slot 721 (the end of the sliding slot 721 close to the sampling port 611) is provided with a rubber ring 722, and the rubber ring 722 is in interference fit with the sliding strip 730.
Through above design, can prevent that sample or earth from entering into between draw runner 730 and spout 721, ensure that draw runner 730 can slide smoothly, guarantee that sampling tube 600 lasts the work steadily, reduce the maintenance amount of labour.
The sliding slot 721 is disposed along the radial direction of the rotating plate 720, and the rotating shaft 710 is fixedly connected to the plate surface of the rotating plate 720. The end of the rotating shaft 710 is covered on the sliding slot 721, i.e. the end wall of the rotating shaft 710 is erected on the sliding slot 721, and the end wall of the rotating shaft 710 is fixedly connected with the two side edges of the sliding slot 721 at the same time. In other words, after the rotating shaft 710 is connected to the rotating disc 720, the sliding strip 730 is enclosed in the sliding slot 721. With this design, the stability of the slider 730 can be further improved, and the slider 730 can have a higher sliding driving force.
Further, the guiding plate 740 is semicircular and has an abdicating notch for abdicating the rotating shaft 710. In this embodiment, the abdicating notch is also semicircular, the guiding plate 740 is matched with the rotating shaft 710 through the abdicating notch, the rotating shaft 710 is perpendicular to the guiding plate 740, the rotating shaft 710 is located on one side of the rotating disc 720 close to the rotating shaft 710, and the rotating shaft 710 passes through the abdicating notch and is connected with the rotating disc 720. The guide plate 740 is movably engaged with the rotation shaft 710 along the circumferential direction of the rotation shaft 710.
In the present embodiment, the guide groove 741 is elongated and disposed parallel to the straight edge 742 of the guide plate 740. The sampling port 611 extends in an arc shape along the circumferential direction of the outer tube 610. With this design, the rotating shaft 710 is continuously rotated in the same direction, and the slide 730 is guided by the guide slot 741 to extend out of the sliding slot 721 and then return to the sliding slot 721. Like this, after the sample finishes, draw runner 730 retracts, and draw runner 730 is accomodate by carousel 720, can guarantee that the sample just gets into "isolated state" after being collected, guarantees that the sample can not receive other pollutions in other operations to improve the degree of accuracy that detects.
Along the axial of outer tube 610, the external diameter of sample connection 611 is less than the thickness of carousel 720, and the inner wall of the outer tube 610 of sample connection 611 both sides all laminates with carousel 720, and carousel 720 is through the inner wall laminating with outer tube 610, seals the edge of sample connection 611, avoids earth or sample to enter into the lumen of outer tube 610.
In this embodiment, the inner cores are multiple groups, the multiple groups of inner cores are sequentially arranged along the axial direction of the outer tube 610, and the inner cores are sequentially connected with each other through the rotating shaft 710, that is, the rotating shaft 710 of one group of inner cores is fixedly connected with the rotating disc 720 of the other group of inner cores. At this time, the rotating shaft 710 of the inner core located at the topmost end is driven, so that other inner cores can be sequentially driven to rotate, and synchronous sampling is realized.
Through above design, rotate pivot 710 once, can utilize the multiunit inner core to take a sample the living beings charcoal of the adsorbed layer 300 of the different degree of depth, reach the purpose of many degree of depth point location samples, be convenient for more comprehensively, more objectively assess to the adsorption state and the adsorption effect of whole adsorbed layer 300.
Referring to fig. 13 and 14, in the present embodiment, the outer tube 610 includes a sampling section 612 and a driving section 613 which are detachably connected. The inner core is arranged in the lumen of the sampling section 612, and the sampling port 611 is arranged in the tube wall of the sampling section 612. The driving section 613 is rotatably mounted with a driving shaft 613a, and the driving shaft 613a is detachably connected with the rotating shaft 710 of the core in a transmission manner.
Specifically, the end of the driving shaft 613a is provided with driving struts 613b uniformly spaced along the circumferential direction thereof, the driving struts 613b are all arranged along the radial direction of the driving shaft 613a, and the driving struts 613b are all cylindrical.
The end of the rotating shaft 710 of the core for driving connection with the driving shaft 613a has a fitting 810. The fitting members 810 are arranged in a radial direction of the rotation shaft 710, and the plurality of fitting members 810 are arranged at regular intervals in a circumferential direction of the rotation shaft 710. The fitting member 810 has a fitting groove 811 for fitting with the driving rod 613b, and the cross section of the groove wall of the fitting groove 811 is a circular arc and corresponds to a central angle of 180 °.
Through the above design, after one sampling is completed, the sampling tube 600 can be drawn out, and the sampling section 612 and the driving section 613 can be separated and replaced by a new sampling section 612. During reassembly, the driving rod 613b at the end of the driving shaft 613a of the driving section 613 is fitted into the fitting groove 811 of the fitting 810 of the sampling section 612, and then the driving end and the sampling section 612 are fixedly connected. The whole process is very simple, continuous and multi-batch sampling is convenient to carry out, the same sampling section 612 is not required to be repeatedly cleaned for many times, the efficiency is higher, and errors and interference are further reduced.
In the in-service use in-process, can set up many sampling tubes 600, take a sample to the sample of the different degree of depth of different positions to further promote the comprehensiveness to the aassessment of adsorption state and adsorption effect.
The biomass charcoal of the adsorption layer 300 may be in the form of particles or powder. In this example, powdered biomass charcoal was used. In addition, the rotation shaft 710 extends to the top end of the sampling tube 600 and extends to the outside of the outer tube 610, and a rotation hand wheel is provided at the end of the rotation shaft 710 in order to facilitate rotation of the rotation shaft 710. Of course, a driving motor, such as a servo motor, for driving the rotation shaft 710 to rotate may be provided.
The embodiment also provides a deep heavy metal adsorption detection method using the biomass charcoal deep-buried layer structure 1000, which includes: the rotating shaft 710 is driven to rotate, and sampling is completed. The sampling tube 600 is withdrawn and the sample is taken out. The detailed operation method is described in detail above and will not be described herein.
In summary, the biomass charcoal deep-buried layer structure 1000 has a simple structure, is convenient to implement, has low implementation difficulty, can effectively and continuously improve soil, adsorbs heavy metals in the soil, effectively removes the heavy metals in the soil, and is beneficial to continuously improving the soil quality and improving the crop quality; in addition, the adsorption monitoring system is convenient to monitor and control, can evaluate the adsorption condition very conveniently, is convenient for subsequent maintenance and continuous optimization, and has positive significance for continuously improving the adsorption effect. The deep heavy metal adsorption detection method is simple and convenient to operate and convenient to implement, can be used for conveniently sampling the adsorption layer 300, and has positive significance for continuously monitoring and optimizing the adsorption effect.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a living beings charcoal buries layer structure deeply which characterized in that includes by supreme down in proper order: a first substrate layer, a second substrate layer, an adsorption layer, a first cover layer and a second cover layer; the first substrate layer and the first covering layer are both made of broken stones, the second substrate layer is made of silt, the second covering layer is a soil layer, and the adsorption layer is made of biomass charcoal;
the biomass charcoal deep-buried layer structure is also provided with a sampling tube, and the sampling tube penetrates through the adsorption layer; the sampling tube comprises an outer tube and an inner core, and the inner core comprises a rotating shaft, a rotating disc, a sliding strip and a guide plate;
the rotary disc is rotatably matched with the inner wall of the outer tube, a sliding groove is formed in the disc surface of the rotary disc, and the sliding strip is slidably matched with the sliding groove; the rotating shaft is fixedly connected with the rotating disc, and the guide plate is fixedly connected to the inner wall of the outer tube; the sliding strip is provided with a guide post, the guide plate is provided with a guide groove, and the guide post is slidably matched with the guide groove;
the slide bar is provided with a sampling cavity which is formed by the depression of the side wall of the sampling cavity; the outer pipe is provided with a sampling port for the sliding strip to extend out; the pivot is used for driving the carousel rotates to make the guide post is in the guide of guiding groove pushes the draw runner warp the sample connection stretches into the adsorbed layer, thereby with the sample income the sample chamber.
2. The biomass charcoal deep-buried layer structure of claim 1, wherein the depth of the sliding groove is the same as the thickness of the sliding strip, and the width of the sliding groove is the same as the width of the sliding strip; the port portion of spout is provided with the rubber circle, the rubber circle with draw runner interference fit.
3. The biomass charcoal deep-buried layer structure of claim 1, wherein the sliding chute is arranged along the radial direction of the turntable, and the rotating shaft is fixedly connected to the surface of the turntable; the end wall of the rotating shaft is erected on the sliding groove, and the rotating shaft is fixedly connected to the two side edges of the sliding groove.
4. The biomass charcoal deep-buried layer structure of claim 1, wherein the guide plate is semicircular and is provided with an abdicating notch for abdicating the rotating shaft; the guide plate is movably matched with the rotating shaft along the circumferential direction of the rotating shaft; the guide groove is long and parallel to the straight edge of the guide plate.
5. The biochar deep-buried structure according to claim 1, characterized in that the sampling port extends in an arc shape along the circumferential direction of the outer pipe.
6. The biomass charcoal deep-buried layer structure of claim 1, wherein along the axial direction of the outer tube, the outer diameter of the sampling port is smaller than the thickness of the turntable, and the inner walls of the outer tube on both sides of the sampling port are attached to the turntable.
7. The biomass charcoal deep-buried layer structure of claim 1, wherein the inner cores are in multiple groups, the multiple groups of inner cores are sequentially arranged along the axial direction of the outer tube, and the rotating shaft of one group of inner cores is fixedly connected with the rotating disc of the other group of inner cores.
8. The biochar deep-buried structure according to claim 1, characterized in that the outer pipe comprises a sampling section and a driving section which are detachably connected; the inner core is arranged in the sampling section; the driving section is rotatably provided with a driving shaft, and the driving shaft is detachably connected with the rotating shaft of the inner core in a transmission way.
9. The biomass charcoal deep-buried layer structure of claim 8, wherein the end of the driving shaft is provided with driving struts uniformly spaced along the circumference thereof, the driving struts are all arranged along the radial direction of the driving shaft, and the driving struts are all cylindrical; the end part of the rotating shaft of the inner core for being in transmission connection with the driving shaft is provided with a fitting part; the matching pieces are arranged along the radial direction of the rotating shaft, and the matching pieces are uniformly arranged at intervals along the circumferential direction of the rotating shaft; the fitting piece is provided with a fitting groove used for being fitted with the driving support rod, the cross section of the groove wall of the fitting groove is an arc, and the corresponding central angle degree of the groove wall is 180 degrees.
10. The method for detecting the adsorption of the deep heavy metal by using the biomass charcoal deep buried layer structure according to any one of claims 1 to 9, comprising the following steps: driving the rotating shaft to rotate to finish sampling; and drawing out the sampling tube and taking out the sample.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN115401067A (en) * | 2022-09-20 | 2022-11-29 | 河南北清同创信息科技研究院有限公司 | Farming soil prosthetic devices |
| CN115401067B (en) * | 2022-09-20 | 2024-01-26 | 河南北清同创信息科技研究院有限公司 | Agricultural planting soil prosthetic devices |
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