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CN109520807B - A Diverse Filtration Method for Soil Sampling - Google Patents

A Diverse Filtration Method for Soil Sampling Download PDF

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CN109520807B
CN109520807B CN201811444862.8A CN201811444862A CN109520807B CN 109520807 B CN109520807 B CN 109520807B CN 201811444862 A CN201811444862 A CN 201811444862A CN 109520807 B CN109520807 B CN 109520807B
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stock solution
cylinder
station
filtrate
circumference
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CN109520807A (en
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王儒敬
李跃
吴进钱
朱利凯
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Hefei Institutes of Physical Science of CAS
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/28Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/34Purifying; Cleaning

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Abstract

本发明提出的一种土壤取样多样过滤方法,包括以下步骤:S1、设置第一旋转支架,并在第一旋转支架上设置多个原液筒,每一个原液筒上设置一个输出接头,并在输出接头内设置单向电磁阀,多个原液筒均匀分布在与第一旋转支架转轴同轴的第一圆周上,多个输出接头均匀分布在与第一旋转支架转轴同轴的第二圆周上;S3、设置第二旋转支架,并在第二旋转支架上安装多个滤液筒,多个滤液筒均匀分布在于第二旋转支架转轴同轴设置的第三圆周上,第三圆周位于过滤结构下方,第三圆周上设有装筒工位,过滤结构用于将过滤后的滤液输入装筒工位上的滤液筒。通过滤液筒与原液筒的同步切换,可避免各滤液筒混装,保证过滤后的滤液的分装纯度,并实现一机多用。

Figure 201811444862

A soil sampling multiple filtering method proposed by the present invention includes the following steps: S1, setting a first rotating support, and setting a plurality of raw liquid cylinders on the first rotating support, each raw liquid cylinder is provided with an output connector, and the output A one-way solenoid valve is arranged in the joint, a plurality of raw liquid cylinders are evenly distributed on a first circumference coaxial with the rotating shaft of the first rotating support, and a plurality of output joints are evenly distributed on a second circumference coaxial with the rotating shaft of the first rotating support; S3, set up a second rotating support, and install a plurality of filtrate cartridges on the second rotating support, the multiple filtrate cartridges are evenly distributed on the third circumference coaxially arranged on the rotating shaft of the second rotating support, and the third circumference is located below the filter structure, A cartridge loading station is arranged on the third circumference, and the filtering structure is used to input the filtered filtrate into the filtrate cartridge on the cartridge loading station. Through the synchronous switching between the filtrate cartridge and the stock solution cartridge, it is possible to avoid mixing the filtrate cartridges, ensure the purity of the filtered filtrate, and realize the multi-purpose of one machine.

Figure 201811444862

Description

Soil sampling and multiple filtering method
Technical Field
The invention relates to the technical field of filtering processes, in particular to a soil sampling and multiple filtering method.
Background
Filtration is a very important step in the pretreatment process of solid samples such as soil. The existing filtering process has the following problems: 1. different samples need to be filtered independently, so that the cost is high; 2. the filtration efficiency is low, and the time consumption is long; 3. after the filtration is finished, the cleaning difficulty of the filtration vessel is high.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a soil sampling and multiple filtering method.
The invention provides a soil sampling and multiple filtering method, which comprises the following steps:
s1, arranging a first rotating support, arranging a plurality of stock solution cylinders on the first rotating support, arranging an output joint on each stock solution cylinder, arranging a one-way electromagnetic valve in each output joint, uniformly distributing the stock solution cylinders on a first circumference coaxial with a rotating shaft of the first rotating support, and uniformly distributing the output joints on a second circumference coaxial with the rotating shaft of the first rotating support;
s2, arranging a filter structure, wherein the filter structure is positioned below the second circumference; the first circumference is provided with a pressurizing station and a washing station, the filtering structure is used for filtering stock solution output by an output connector of a stock solution cylinder on the pressurizing station, and the washing station is positioned at the rear end of the pressurizing station along the rotating direction of the first rotating bracket;
s3, arranging a second rotating support, and installing a plurality of filtrate cylinders on the second rotating support, wherein the filtrate cylinders are uniformly distributed on a third circumference coaxially arranged with a rotating shaft of the second rotating support, the third circumference is positioned below a filtering structure, a cylinder loading station is arranged on the third circumference, and the filtering structure is used for inputting filtered filtrate into the filtrate cylinders on the cylinder loading station; the filtrate cylinders on the third circumference correspond to the stock solution cylinders on the first circumference one by one;
s4, when the automatic filter press works, the first rotating support and the second rotating support are driven to rotate, a stock solution barrel filled with stock solution is moved to a pressurization station, and an empty filtrate barrel is moved to a barrel filling station; then, pressurizing the stock solution cylinder on the pressurizing station, and enabling stock solution in the stock solution cylinder to flow into a filtrate cylinder on the cylinder filling station through a filtering structure;
s5, after the stock solution cylinder on the current pressurizing station discharges the stock solution, the first rotary support and the second rotary support are synchronously driven, the stock solution cylinder on the pressurizing station and the filtrate cylinder on the cylinder loading station are switched, and the stock solution cylinder after discharging the stock solution is washed on the washing station.
Preferably, step S4 further includes: and a driving mechanism is arranged, and the first rotating bracket and the second rotating bracket are driven to synchronously rotate by the driving mechanism.
Preferably, the driving mechanism comprises a first gear for driving the first rotating bracket to rotate synchronously, a second gear for driving the second rotating bracket to rotate synchronously, a driving gear and a motor, the driving gear is connected with the first gear and the second gear through a belt transmission or chain transmission structure, and the motor is connected with the driving gear; the mode of driving the first rotating bracket and the second rotating bracket to synchronously rotate through the driving mechanism is as follows: the control motor works to drive the driving gear to rotate, and the driving gear drives the first gear and the second gear to synchronously rotate.
Preferably, the mode of switching the stock solution cylinder on the pressurization station and the filtrate cylinder on the cylinder loading station is as follows: the driving gear is driven by the motor to rotate a preset angle threshold.
Preferably, in step S5, the stock solution cartridge is flushed at the flushing station and pressurized at the pressurizing station, both simultaneously.
Preferably, a flow velocity sensor is arranged in each output joint, and the mode of judging whether the stock solution cylinder on the current pressurizing station discharges the stock solution in step S5 is as follows: and comparing the flow velocity value detected by the flow velocity sensor corresponding to the stock solution cylinder on the current pressurizing station with a preset flow velocity threshold, and if the flow velocity value is less than or equal to the flow velocity threshold, judging that the stock solution cylinder on the current pressurizing station has discharged the stock solution.
Preferably, the method further comprises step S6: and on the first circumference, along the rotation direction of the first rotary support, replenishing stock solution into the stock solution barrel after washing at the rear end of the washing station, and replacing the filtrate barrel corresponding to the stock solution barrel for replenishing the stock solution with an empty filtrate barrel.
In the soil sampling and filtering method provided by the invention, the circulating effluent of each raw liquid cylinder on the first rotary support can be filtered by switching the raw liquid cylinder on the pressurizing station and the filtrate cylinder on the cylinder loading station, so that the continuity of the whole sampling and filtering work is ensured. Meanwhile, by synchronously switching the filtering liquid cylinder and the raw liquid cylinder, the mixed loading of all the filtering liquid cylinders can be avoided, and the subpackaging purity of the filtered filtering liquid is ensured. Therefore, by the method, different stock solutions can be filled into the stock solution cylinders, so that sampling and filtering of different stock solutions in the same process can be realized, and multiple purposes of one machine can be realized.
In the invention, the stock solution in the stock solution cylinder is discharged in a pressurizing mode on the pressurizing station, namely, the sealing performance of the stock solution cylinder outside the pressurizing station on the first circumference is realized through the matching of the one-way electromagnetic valve, and the leakage outside the pressurizing station is avoided; but also is beneficial to improving the output rate of the liquid cylinder of the plateau, thereby improving the filtering efficiency.
Drawings
FIG. 1 is a flow chart of a soil sampling and multiple filtering method according to the present invention;
fig. 2 is a structural diagram of a soil sampling multiple filtering device provided by the invention.
Detailed Description
Referring to fig. 1, the present invention provides a soil sampling multiple filtration method, including the following steps.
S1, a first rotating support 1 is arranged, a plurality of raw liquid cylinders 2 are arranged on the first rotating support 1, an output connector 3 is arranged on each raw liquid cylinder 2, a one-way electromagnetic valve is arranged in each output connector 3, the raw liquid cylinders 2 are uniformly distributed on a first circumference coaxial with a rotating shaft of the first rotating support 1, and the output connectors 3 are uniformly distributed on a second circumference coaxial with the rotating shaft of the first rotating support 1.
So, in the course of the work, through the rotation of a plurality of stoste section of thick bamboo 2 partial shipment and first runing rest 1, can realize the independent filtration of various stostes, still can carry out the replenishment of stoste after the stoste in the stoste section of thick bamboo 2 is arranged simultaneously. The setting of one-way solenoid valve is favorable to avoiding the storage of the stoste in stoste section of thick bamboo 2, avoids revealing.
S2, arranging the filter structure 4, wherein the filter structure 4 is located below the second circumference. And a pressurizing station and a washing station are arranged on the first circumference, the filtering structure 4 is used for filtering the stock solution output by the output connector 3 of the stock solution cylinder 2 on the pressurizing station, and the washing station is positioned at the rear end of the pressurizing station along the rotating direction of the first rotating support. In this embodiment, because the output joints 3 are uniformly distributed on each raw liquid cylinder 2, the raw liquid cylinders 2 can be ensured to sequentially filter the raw liquid through the filtering structures along with the rotation of the first rotating bracket 1 through the relative stillness of the filtering structures 4 and the second circumference, and the continuity of the raw liquid filtering work is ensured.
S3, a second rotating support 5 is arranged, a plurality of filtrate cylinders 6 are arranged on the second rotating support, the filtrate cylinders 6 are uniformly distributed on a third circumference of the second rotating support 5, wherein a rotating shaft of the second rotating support is coaxially arranged, the third circumference is located below a filtering structure, a cylinder loading station is arranged on the third circumference, and the filtering structure 4 is used for inputting filtered filtrate into the filtrate cylinders 6 on the cylinder loading station. Specifically, in the present embodiment, the filtrate cylinders 6 on the third circumference correspond one-to-one to the raw liquid cylinders 2 on the first circumference.
And S4, when the device works, the first rotating bracket and the second rotating bracket are driven to rotate, the stock solution barrel 2 filled with the stock solution is moved to a pressurization station, and the empty filtrate barrel 6 is moved to a barrel filling station. Then, the stock solution cylinder 2 on the pressurizing station is pressurized, and the stock solution in the stock solution cylinder 2 flows into the filtrate cylinder 6 on the cylinder filling station through the filtering structure 4.
In the embodiment, the stock solution in the stock solution cylinder 2 is discharged in a pressurization mode on the pressurization station, namely, the sealing performance of the stock solution cylinder 2 outside the pressurization station on the first circumference is realized through the matching of the one-way electromagnetic valve, and the leakage outside the first circumference is avoided; but also is beneficial to improving the output rate of the liquid cylinder 2, thereby improving the filtering efficiency.
Specifically, step S4 further includes: and a driving mechanism is arranged, and the first rotating bracket and the second rotating bracket are driven to synchronously rotate by the driving mechanism. The driving mechanism comprises a first gear 7 for driving the first rotating support 1 to synchronously rotate, a second gear 8 for driving the second rotating support 5 to synchronously rotate, a driving gear and a motor, the driving gear is connected with the first gear 7 and the second gear 8 through a belt transmission or chain transmission structure, and the motor is connected with the driving gear.
In this manner, in step S4, the driving mechanism drives the first rotating frame and the second rotating frame to rotate synchronously: the control motor works to drive the driving gear to rotate, and drives the first gear 7 and the second gear 8 to synchronously rotate through the driving gear, so that the stock solution cylinder 2 on the pressurizing station and the filtrate cylinder 6 on the cylinder loading station are replaced.
S5, after the stock solution cylinder 2 on the current pressurizing station discharges the stock solution, synchronously driving the first rotating bracket 1 and the second rotating bracket 5, switching the stock solution cylinder 2 on the pressurizing station and the filtrate cylinder 6 on the cylinder loading station, and flushing the stock solution cylinder 2 after discharging the stock solution on the flushing station. So, through switching over the stoste section of thick bamboo 2 on the pressurization station and adorn a filtrate section of thick bamboo 6 on the section of thick bamboo station, alright realize on the first runing rest 1 each stoste section of thick bamboo 2 circulate out the liquid filtration to guarantee the continuity of whole sample filtration work. Meanwhile, through synchronous switching of the filtrate cylinders 6 and the stock solution cylinder 2, the mixed loading of the filtrate cylinders 6 can be avoided, and the subpackage purity of the filtered filtrate is ensured. Thus, by the method, different stock solutions can be filled in the stock solution cylinders 2 to realize sampling and filtering of different stock solutions in the same procedure, so that one machine has multiple purposes.
In the embodiment, the stock solution cylinder 2 which has drained the stock solution is washed on the washing station, so that the cleaning degree of secondary use of the stock solution cylinder 2 is ensured, and the mixed loading of the stock solution is avoided.
Specifically, in the present embodiment, the manner of switching the raw liquid cylinder 2 at the pressurizing station and the filtrate cylinder 6 at the cylinder loading station is as follows: the motor drives the driving gear to rotate a preset angle threshold value so as to synchronously rotate through the first rotating bracket 1 and the second rotating bracket 5, and the synchronous switching of the stock solution cylinder 2 on the pressurizing station and the filtrate cylinder 6 on the cylinder filling station is realized. Specifically, the angle threshold is equal to a quotient of 360 degrees divided by the number of the stock solution cartridges on the first circumference.
In step S5, the stock solution cylinder 2 is washed on the washing station and pressurized on the pressurizing station, and both are performed simultaneously, so as to improve the working efficiency.
In this embodiment, each output joint 3 is provided with a flow rate sensor, and the manner of determining whether the raw liquid cylinder 2 on the current pressurizing station has drained the raw liquid in step S5 is as follows: and comparing the flow velocity value detected by the flow velocity sensor corresponding to the stock solution cylinder 2 on the current pressurizing station with a preset flow velocity threshold, and if the flow velocity value is less than or equal to the flow velocity threshold, judging that the stock solution cylinder 2 on the current pressurizing station has discharged the stock solution. So, in this embodiment, through carrying out independent detection to each stoste section of thick bamboo 2 and judging whether stoste in stoste section of thick bamboo 2 has been discharged to the switching of stoste section of thick bamboo on the control pressurization station is favorable to guaranteeing the empty effect of stoste section of thick bamboo 2 on the pressurization station, avoids stoste extravagant.
And step S6, on the first circumference, along the rotation direction of the first rotating bracket, replenishing stock solution into the stock solution barrel 2 after being rinsed at the rear end of the rinsing station, and replacing the filtrate barrel 6 corresponding to the stock solution barrel 2 for replenishing the stock solution with an empty filtrate barrel 6. Therefore, the corresponding filtrate cylinder 6 can be filled with the filtrate after the raw liquid in the raw liquid cylinder 2 is filtered, and confusion after different raw liquids are filtered is avoided.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.

Claims (7)

1. A soil sampling and multiple filtering method is characterized by comprising the following steps:
s1, arranging a first rotating support (1), arranging a plurality of raw liquid cylinders (2) on the first rotating support (1), arranging an output connector (3) on each raw liquid cylinder (2), arranging a one-way electromagnetic valve in each output connector (3), uniformly distributing the raw liquid cylinders (2) on a first circumference coaxial with a rotating shaft of the first rotating support (1), and uniformly distributing the output connectors (3) on a second circumference coaxial with the rotating shaft of the first rotating support (1);
s2, arranging a filter structure (4), wherein the filter structure (4) is positioned below the second circumference; a pressurizing station and a washing station are arranged on the first circumference, the filtering structure (4) is used for filtering stock solution output by the output connector (3) of the stock solution cylinder (2) on the pressurizing station, and the washing station is positioned at the rear end of the pressurizing station along the rotating direction of the first rotating bracket;
s3, arranging a second rotating support (5), and installing a plurality of filtrate cylinders (6) on the second rotating support, wherein the filtrate cylinders (6) are uniformly distributed on a third circumference coaxially arranged with a rotating shaft of the second rotating support (5), the third circumference is positioned below a filtering structure, a cylinder loading station is arranged on the third circumference, and the filtering structure (4) is used for inputting filtered filtrate into the filtrate cylinders (6) on the cylinder loading station; the filtrate cylinders (6) on the third circumference correspond to the stock solution cylinders (2) on the first circumference one by one;
s4, when the automatic filter press works, the first rotating bracket (1) and the second rotating bracket (5) are driven to rotate, a stock solution cylinder (2) filled with stock solution is moved to a pressurization station, and an empty filtrate cylinder (6) is synchronously moved to a cylinder filling station; then, pressurizing the stock solution cylinder (2) on the pressurizing station, and enabling the stock solution in the stock solution cylinder (2) to flow into a filtrate cylinder (6) on the cylinder filling station through a filtering structure (4);
s5, after the stock solution cylinder (2) on the current pressurizing station discharges the stock solution, synchronously driving the first rotary support (1) and the second rotary support (5), switching the stock solution cylinder (2) on the pressurizing station and the filtrate cylinder (6) on the cylinder loading station, and washing the stock solution cylinder (2) which discharges the stock solution on the washing station.
2. The soil sampling multiple filtration method according to claim 1, wherein step S4 further comprises: and a driving mechanism is arranged, and the first rotating bracket (1) and the second rotating bracket (5) are driven to synchronously rotate by the driving mechanism.
3. The soil sampling multiple filtration method according to claim 2, wherein the driving mechanism comprises a first gear (7) for driving the first rotary bracket (1) to rotate synchronously, a second gear (8) for driving the second rotary bracket (5) to rotate synchronously, a driving gear and a motor, the driving gear is connected with the first gear (7) and the second gear (8) through a belt transmission or chain transmission structure, and the motor is connected with the driving gear; the mode that the driving mechanism drives the first rotating bracket (1) and the second rotating bracket (5) to synchronously rotate is as follows: the control motor works to drive the driving gear to rotate, and the driving gear drives the first gear (7) and the second gear (8) to synchronously rotate.
4. A soil sampling multiple filtration method according to claim 3, wherein the switching between the stock solution cylinder (2) at the pressurizing station and the filtrate cylinder (6) at the loading station is performed by: the driving gear is driven by the motor to rotate a preset angle threshold.
5. The soil sampling multiple filtration method of claim 1, wherein the pressurizing of the stock solution cartridge (2) at the pressurizing station in step S4 is performed simultaneously with the washing of the stock solution cartridge (2) at the washing station in step S5.
6. The soil sampling and multiple filtering method as claimed in claim 1, wherein each output joint (3) is provided with a flow velocity sensor, and the manner of judging whether the stock solution cylinder (2) on the current pressurizing station finishes discharging the stock solution in step S5 is as follows: and comparing the flow velocity value detected by the flow velocity sensor corresponding to the stock solution cylinder (2) on the current pressurizing station with a preset flow velocity threshold, and if the flow velocity value is less than or equal to the flow velocity threshold, judging that the stock solution cylinder (2) on the current pressurizing station has discharged the stock solution.
7. The soil sampling multiple filtration method according to any one of claims 1 to 6, further comprising step S6: and on the first circumference, along the rotation direction of the first rotating bracket (1), replenishing stock solution into the stock solution cylinder (2) after being washed at the rear end of the washing station, and replacing the filtrate cylinder (6) corresponding to the stock solution cylinder (2) for replenishing the stock solution with an empty filtrate cylinder (6).
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