CN112958607A - Compound prosthetic devices of portable soil dystopy supersound drip washing - Google Patents
Compound prosthetic devices of portable soil dystopy supersound drip washing Download PDFInfo
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- CN112958607A CN112958607A CN202110284541.1A CN202110284541A CN112958607A CN 112958607 A CN112958607 A CN 112958607A CN 202110284541 A CN202110284541 A CN 202110284541A CN 112958607 A CN112958607 A CN 112958607A
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- ultrasonic
- composite
- leaching
- column
- peristaltic pump
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/02—Extraction using liquids, e.g. washing, leaching, flotation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
本发明公开了一种移动式土壤异位超声淋洗复合修复装置，包括可移动的箱体，所述箱体内具有淋洗液储存器、多通道蠕动泵、复合淋洗柱、淋出液收集器、超声发生器和控制系统；所述淋洗液储存器通过进液管道与多通道蠕动泵的入口相连接，所述复合淋洗柱的上方具有一喷淋头，所述喷淋头通过出液管道与多通道蠕动泵的出口相连接，所述复合淋洗柱底部与淋出液收集器相连接，所述复合淋洗柱一外侧壁连接有一可盛液体的超声室，所述超声室内具有一可移动的超声振板，所述超声振板与超声发生器电性连接，所述多通道蠕动泵和超声发生器均与控制系统电性连接。本装置集成度高、结构简单紧凑，便于放大，引入超声场，提高淋洗效率，可同步处理多种污染土壤，实现去除土壤中污染物。
The invention discloses a mobile soil ectopic ultrasonic leaching composite repairing device, which comprises a movable box body, and the box body is provided with a leaching liquid storage, a multi-channel peristaltic pump, a composite leaching column, and a leaching liquid collection a device, an ultrasonic generator and a control system; the eluent reservoir is connected to the inlet of the multi-channel peristaltic pump through a liquid inlet pipe, and a spray head is provided above the composite eluent column, and the spray head passes through The liquid outlet pipeline is connected with the outlet of the multi-channel peristaltic pump, the bottom of the composite eluting column is connected with the eluate collector, and an outer side wall of the composite rinsing column is connected with an ultrasonic chamber that can hold liquid. There is a movable ultrasonic vibration plate in the chamber, the ultrasonic vibration plate is electrically connected with the ultrasonic generator, and both the multi-channel peristaltic pump and the ultrasonic generator are electrically connected with the control system. The device has high integration, simple and compact structure, is easy to enlarge, introduces an ultrasonic field, improves the leaching efficiency, and can simultaneously process various polluted soils to realize the removal of pollutants in the soil.
Description
Technical Field
The invention relates to the technical field of environmental improvement, in particular to a movable soil ex-situ ultrasonic leaching composite repairing device.
Background
In recent years, with the rapid development of economic society of China, the soil heavy metal pollution caused by human factors is more and more serious, the soil pollution problem of China is more and more severe, and the repair and treatment of the soil heavy metal pollution become a hot spot concerned by all circles of the current society.
Pollutants in soil not only affect the soil biological community, but also further pollute surface water and underground water, are enriched in plant bodies through the absorption of plants, enter human bodies after being eaten by human beings, and seriously threaten the life health of the human bodies.
The soil leaching method is a soil remediation method with simple process, high efficiency and short treatment period, different leaching agents are selected for different polluted soils, and pollutants are leached out through leaching, so that the toxicity of the soil is reduced. Traditional leaching columns enable leaching solution to permeate through the soil columns to elute heavy metals through gravity, however, leaching speed is low, efficiency is low, time consumption is long due to the effect of a single gravity field, and the leaching solution is difficult to reach the inside of soil due to accumulation of the soil, so that pollutants are remained.
The leaching of the soil is a flowing and diffusing process of the leaching solution in the medium, and researches show that the ultrasonic waves have good strengthening effect on the flowing and diffusing of the inside of the medium. The ultrasonic field is applied to the leaching process, so that the permeation rate of the leacheate can be improved, the leacheate is more fully contacted with soil, and the remediation is more thorough.
At present, the polluted soil is repaired in a laboratory at the early stage at home and abroad, a leaching column of a traditional polluted soil leaching experimental device is usually a section of hollow cylinder, has larger difference with practical engineering application and is difficult to check the timeliness of research results in time, and most of pollution treatment devices are large-scale equipment and are inconvenient to carry.
Disclosure of Invention
In view of this, it is necessary to provide a mobile soil ex-situ ultrasonic leaching composite repairing device which has high integration level, simple and compact structure, is convenient to amplify, introduces an ultrasonic field, improves leaching efficiency, can synchronously treat various polluted soils and realizes removal of pollutants in the soils.
In order to solve the technical problems, the technical scheme of the invention is as follows: a mobile soil ex-situ ultrasonic leaching composite remediation device comprises a mobile box body, wherein a leacheate storage device, a multi-channel peristaltic pump, a composite leaching column, a leachate collector, an ultrasonic generator and a control system are arranged in the box body; the leacheate accumulator is connected with an inlet of the multi-channel peristaltic pump through a liquid inlet pipeline, a spray head is arranged above the composite leaching column, the spray head is connected with an outlet of the multi-channel peristaltic pump through a liquid outlet pipeline, the bottom of the composite leaching column is connected with a leaching liquid collector, an outer side wall of the composite leaching column is connected with an ultrasonic chamber capable of containing liquid, a movable ultrasonic vibrating plate is arranged in the ultrasonic chamber, the ultrasonic vibrating plate is electrically connected with the ultrasonic generator, and the multi-channel peristaltic pump and the ultrasonic generator are electrically connected with the control system.
Furthermore, multichannel peristaltic pump includes step motor, transmission shaft, fastening bolt, pump head, gyro wheel, pump line and pump line card.
Further, from last to having arranged first quartz sand layer, first sand sandwich layer, polluting soil layer, nylon gauze layer, second quartz sand layer, second sand sandwich layer, rubber seal ring, support filter screen and lower extreme delivery port down in proper order in the compound drip washing post.
Furthermore, the ultrasonic chamber is fixedly connected with a lifting table, and the lifting table drives the ultrasonic vibration plate to be close to or far away from the side wall of the composite leaching column.
Furthermore, a plurality of ultrasonic transducers are installed in the ultrasonic vibration plate.
Further, the control system is an integrated PLC controller.
Further, the box body is provided with a box door.
Furthermore, the number of the leacheate storage device, the number of the leacheate collector and the number of the composite leaching columns are all multiple.
Furthermore, handles are arranged on the upper parts of the leacheate storage device and the leacheate collector, and control water valves for controlling liquid levels are arranged on the lower parts of the leacheate storage device and the leacheate collector.
Furthermore, the bottom of the box body is provided with a plurality of universal rotating wheels with brakes.
Compared with the prior art, the invention has the following beneficial effects: the invention integrates the components required by leaching, has simple and compact structure, is convenient to enlarge, is provided with wheels, is convenient to move and is closer to the practical engineering application; the integrated PLC is electrically connected with the composite leaching column and the ultrasonic generating device, can uniformly regulate and control the running of each device, monitors the running state of the device, is safe and convenient, and is convenient to operate and control; the multi-channel peristaltic pump is combined with a plurality of composite leaching columns, so that a plurality of kinds of polluted soil can be leached or parallel experiments can be carried out, the time is saved, and the result error is reduced; the ultrasonic vibration plate is implanted into the leaching column, an ultrasonic field is introduced, the flowing and diffusion process of the leaching solution is enhanced, the leaching time is shortened, the leaching solution is more fully contacted with the soil, the leaching rate of pollutants is effectively improved, the leaching efficiency is improved, and the remediation is more thorough.
In order to make the aforementioned and other objects, features and advantages of the invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a composite leaching column and an ultrasonic chamber in an embodiment of the invention.
Fig. 3 is a schematic structural diagram of a multi-channel peristaltic pump in an embodiment of the invention.
In the figure: the ultrasonic cleaning device comprises a box body 1, a universal rotating wheel 11, a multi-channel peristaltic pump 2, a stepping motor 21, rollers 22, a pump pipe 23, a fastening bolt 24, a leacheate storage device 3, a control water valve 31, a leacheate collector 4, a composite leaching column 5, a lower end water outlet 51, an ultrasonic chamber 6, a lifting platform 61, an ultrasonic vibrating plate 62, an ultrasonic transducer 63, an ultrasonic generator 7, an integrated PLC 8, a liquid outlet pipeline 9 and a spray head 91.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
As shown in fig. 1-3, a mobile soil ex-situ ultrasonic leaching composite remediation device comprises a box body 1, wherein the bottom of the box body 1 is provided with a plurality of universal rotating wheels 11 with brakes, so that the box body 1 can be moved conveniently; the cabinet 1 has a cabinet door to facilitate maintenance and replacement of parts. The box body 1 is internally provided with a supporting platform, and a supermarket generator 7, a control system and a multi-channel peristaltic pump 2 are supported and fixed on the supporting platform.
A plurality of leacheate storage devices 3 and a plurality of leacheate collectors 4 are arranged at the bottom in the box body 1, handles are arranged at the upper parts of the leacheate storage devices 3 and the leacheate collectors 4, the leacheate is convenient to extract, and control water valves 31 for controlling liquid levels are arranged at the lower parts of the leacheate storage devices 3 and the leacheate collectors 4.
A plurality of composite leaching columns 5 are installed in the box body 1, and a spray header 91 is arranged above the composite leaching columns 5, in the embodiment, the cross section of each composite leaching column 5 is square, so that the spray header 91 is also a square spray header matched with the composite leaching columns.
A first quartz sand layer, a first sand core layer, a contaminated soil layer, a nylon gauze layer, a second quartz sand layer, a second sand core layer, a rubber sealing washer, a support filter screen and a lower end water outlet are sequentially arranged in the composite leaching column 5 from top to bottom.
The leacheate storage device 3 is connected with an inlet of the multi-channel peristaltic pump 2 through a liquid inlet pipeline, the spray head 91 is connected with an outlet of the multi-channel peristaltic pump 2 through a liquid outlet pipeline 9, and a water outlet at the lower end of the composite leaching column 5 is connected with the leachate collector 4.
An outer side wall of the composite leaching column 5 is connected with an ultrasonic chamber 6 capable of containing liquid, a lifting platform 61 is fixedly connected in the ultrasonic chamber 6, and the lifting platform 61 drives an ultrasonic vibrating plate 62 to be close to or far away from the side wall of the composite leaching column 5. The ultrasonic vibration plate 62 can be prevented from being damaged when the ultrasonic chamber 6 is filled with water. The ultrasonic vibrating plate 62 is electrically connected with the ultrasonic generator 7.
The multi-channel peristaltic pump 2 and the ultrasonic generator 7 are both electrically connected with the control system, and the multi-channel peristaltic pump 2 and the ultrasonic generator 7 can be controlled independently or controlled by the control system in a unified manner. The control system is an integrated PLC (programmable logic controller) 8, and is provided with an external power line, a plurality of communication interfaces, a switch, an indicator light, a function button and a display screen, the integrated PLC 8 is electrically connected with the multi-channel peristaltic pump 2 and the ultrasonic generator 7, and the running states of all devices can be uniformly regulated and controlled.
In this embodiment, the multi-channel peristaltic pump 2 includes a stepping motor 21, a transmission shaft, a fastening bolt 24, a pump head, a roller 22, a pump tube 23, and a pump tube clamp. The multi-channel peristaltic pump 2 is electrically connected with the integrated PLC controller 8, and is also provided with a control unit which can control the on-off, the forward and reverse rotation, the flow speed and the working time of the multi-channel peristaltic pump.
In this embodiment, how many ultrasonic transducers 63 are installed in the ultrasonic vibration plate 62.
In this embodiment, the ultrasonic generator 7 is electrically connected to the integrated PLC controller 8 and the ultrasonic vibration plate 62, and has a control unit to regulate and control the operation of the ultrasonic vibration plate 62.
The device has the following use process:
selecting different eluents according to the types of the polluted soil, preparing the eluents into the eluents, storing the eluents in an eluents storage device 3, determining the number of channels of the multi-channel peristaltic pump 2 according to the number of the types of the soil and considering whether a parallel experiment is carried out or not, and determining the flow rate of the multi-channel peristaltic pump 2; the ultrasonic frequency and power are determined according to experimental requirements.
When the composite leaching column 5 is filled, firstly, the polluted soil is crushed to a certain particle size, the square rubber sealing washer is placed on the supporting filter screen of the composite leaching column to prevent the leaching liquid from leaking laterally and influence the leaching effect, the square second sand core layer, the second quartz sand layer, the nylon gauze layer, the polluted soil layer, the square first sand core layer and the first quartz sand layer are sequentially placed upwards, the nylon gauze layer prevents the quartz sand from being adhered to the polluted soil and is convenient to recover, and the sand core layer and the quartz sand can be uniformly distributed with water, so that the leaching is more uniform and sufficient; placing the ultrasonic vibration plate 62 and the lifting table 61 into the ultrasonic chamber 6, adjusting the lifting table 61 to enable the ultrasonic vibration plate 62 to be tightly attached to the outer side wall of the composite leaching column 5, injecting water into the ultrasonic chamber 6 until the ultrasonic vibration plate is immersed, preventing the ultrasonic vibration plate 62 from being damaged by dry burning, and determining whether to start the ultrasonic according to requirements; the number of the composite leaching columns 5 is determined according to the experimental requirement, and the composite leaching columns 5, the leacheate storage device 3 and the leacheate collector 4 are arranged in the box body 1.
Connecting a multi-channel peristaltic pump 2 with a liquid inlet pipeline and a liquid outlet pipeline 9 respectively, immersing the end of the liquid inlet pipeline below the liquid level of a leacheate storage device, connecting the end of the liquid outlet pipeline with a square spray header, and placing the square spray header above a composite leaching column; the multi-channel peristaltic pump is electrically connected with the integrated PLC controller and is connected with a power supply.
And electrically connecting the ultrasonic generator with the ultrasonic vibration plate and the integrated PLC controller, and switching on a power supply.
And switching on the integrated PLC controller, turning on a switch, and adjusting the determined flow rate, power and frequency to control the ultrasonic generator and the multi-channel peristaltic pump to work and operate.
When leaching is carried out, the running state of each component can be monitored, regulated and controlled through a display screen, an indicator light and a function button of the integrated PLC; the leacheate is sucked out from the leacheate storage device under the action of the multi-channel peristaltic pump, flows through the liquid inlet pipeline, the multi-channel peristaltic pump and the liquid outlet pipeline, is sprayed out through the square spray header, and the leacheate flows into the leacheate collector through the lower water outlet after being permeated by the composite leaching column, so that the soil leaching process is completed.
When the leacheate in the leacheate storage device is insufficient, the box door of the box body 1 can be opened to replenish the leacheate; when the amount of the leacheate in the leacheate collector is too much, the box door of the box body 1 can be opened, the control water valve at the lower part of the leacheate collector is opened, and the leacheate is taken out.
And (3) after the experiment is finished, turning off the power supply, taking out the soil sample from each composite leaching column, taking out the liquid sample from each leaching liquid collector, and measuring each treatment index of each sample.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110284541.1A CN112958607A (en) | 2021-03-17 | 2021-03-17 | Compound prosthetic devices of portable soil dystopy supersound drip washing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110284541.1A CN112958607A (en) | 2021-03-17 | 2021-03-17 | Compound prosthetic devices of portable soil dystopy supersound drip washing |
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| Publication Number | Publication Date |
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| CN112958607A true CN112958607A (en) | 2021-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110284541.1A Pending CN112958607A (en) | 2021-03-17 | 2021-03-17 | Compound prosthetic devices of portable soil dystopy supersound drip washing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114643272A (en) * | 2022-01-24 | 2022-06-21 | 中国科学院生态环境研究中心 | Multi-channel resistance heating device for repairing organic contaminated soil in pilot plant test |
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| CN104858227A (en) * | 2015-06-02 | 2015-08-26 | 江苏省环境科学研究院 | Ultrasonically assisted leaching device and method for restoring soil polluted by heavy metal |
| CN205538957U (en) * | 2016-03-14 | 2016-08-31 | 北京建筑大学 | Movable soil eluviation device |
| CN214516728U (en) * | 2021-03-17 | 2021-10-29 | 安徽理工大学 | A mobile soil ectopic ultrasonic leaching composite repair device |
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2021
- 2021-03-17 CN CN202110284541.1A patent/CN112958607A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040047482A (en) * | 2002-11-27 | 2004-06-05 | (주)울텍 | The Method and apparatus for Removal of Bubbles on the Substrate by Ultrasonic Waves |
| CN101279318A (en) * | 2007-04-06 | 2008-10-08 | 广州市新栋力超声电子设备有限公司 | Ultrasonic bending vibration device |
| CN104858227A (en) * | 2015-06-02 | 2015-08-26 | 江苏省环境科学研究院 | Ultrasonically assisted leaching device and method for restoring soil polluted by heavy metal |
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| CN214516728U (en) * | 2021-03-17 | 2021-10-29 | 安徽理工大学 | A mobile soil ectopic ultrasonic leaching composite repair device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114643272A (en) * | 2022-01-24 | 2022-06-21 | 中国科学院生态环境研究中心 | Multi-channel resistance heating device for repairing organic contaminated soil in pilot plant test |
| CN114643272B (en) * | 2022-01-24 | 2023-09-19 | 中国科学院生态环境研究中心 | Multi-channel resistance heating device for repairing organic contaminated soil in pilot scale |
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