CN109253897B - On-line monitoring device for emerging marine pollutants - Google Patents

Abstract

An on-line monitoring device for marine emerging pollutants provided by the present invention comprises: a top cover made of a conical metal material with good thermal conductivity, a box body located at the lower part of the top cover, and a floating base located at the bottom of the box body. The outer surface of the top cover is provided with solar panels, and the inner surface of the top cover is provided with a ring-shaped receiving bottom plate. The volatilization tank; the box is equipped with a mixing separation tank for storing seawater and a liquid suction pipe, the bottom of the liquid suction pipe extends into the upper part of the mixing and separation tank, and the top of the liquid suction pipe is equipped with a dispensing cover, and the inside of the dispensing cover is empty. The cavity is connected with a liquid suction pipe, the bottom of the cavity has an opening, the opening is facing the volatilization tank, a liquid discharge pipe is installed at the bottom of the volatilization tank, and the bottom of the liquid discharge pipe is connected to a micro high performance liquid chromatograph. The invention is convenient for detecting and detecting low-content phenols or aromatic hydrocarbons.

Description

Online monitoring device for marine emerging pollutants

technical field

The invention relates to the field of on-line monitoring devices, in particular to an on-line monitoring device for marine emerging pollutants.

Background technique

It has been 20 years since the emergence of new organic pollutants in marine waters, and more and more attention has been paid to the pollution of pharmaceuticals, including some antibiotics. In the field of water pollution research, new pollution problems continue to emerge. And there are more and more discoveries about the problems caused by pollution. For example, scientists in the United Kingdom found that male fish feminization occurs near sewage discharge outlets in rivers. This is the impact of environmental hormones that we are concerned about. A large number of phenols or aromatic hydrocarbons are currently used in cosmetics and eluents, and a large amount of them are discharged into the ocean, making online detection of heavily polluted sea areas difficult.

The existing authorized application number is CN201520849904.1, "A kind of online monitoring device for taking a pattern of marine environment", which directly uses the pump body to extract seawater without separation and distillation, and it is difficult to detect low-content phenols or aromatic hydrocarbons.

SUMMARY OF THE INVENTION

(1) Technical problems to be solved

The purpose of the present invention is to provide an on-line monitoring device for marine emerging pollutants, which solves the problem that the existing on-line monitoring device directly uses a pump body to extract seawater, does not perform separation and distillation, and is difficult to detect low-content phenols or aromatic hydrocarbons. .

(2) Technical solutions

In order to solve the above-mentioned technical problems, the present invention provides an on-line monitoring device for marine emerging pollutants, comprising: a top cover made of a conical metal material with good thermal conductivity, a box located at the lower part of the top cover, and a box located at the bottom of the top cover. The floating base at the bottom, the outer surface of the top cover is equipped with solar panels, the inner surface of the top cover is equipped with an annular receiving bottom plate, and the inner side surface of the top cover fixed to the bottom of the annular receiving bottom plate is connected with the top cover. A volatilization tank with a width gradually increasing upward from the bottom is formed; a mixing separation tank and a liquid suction pipe for storing seawater are installed in the box, the bottom of the liquid suction pipe extends into the upper part of the mixing separation tank, and the top of the liquid suction pipe is equipped with Dispensing cover, the inside of the dispensing cover has a cavity communicating with a liquid suction pipe, the bottom of the cavity has an opening, the opening is facing the volatilization tank, and a liquid discharge pipe is installed at the bottom of the volatilization tank, and the liquid discharge pipe The bottom is connected to a micro high performance liquid chromatograph. The invention uses solar panels to generate electric energy (only about 20% of the solar energy is converted into electric energy, and the other is converted into heat energy), and the heat energy is not used to heat the liquid in the volatilization tank when the light is irradiated on the top cover, so that it is concentrated and improved. The concentration of organic pollutants in the liquid to be detected is easy to detect and detect low content of phenols or aromatic hydrocarbons.

Preferably, the dispensing cover is an arc-shaped umbrella-shaped cover top made of metal material.

Preferably, a conical cooling liquid storage bucket is installed at the lower part of the dispensing cover, for collecting the liquid condensed and dripped from the dispensing cover.

Preferably, there is also a storage tank for storing organic solutions in the box, the top of the storage tank is connected to the top of the mixing and separation tank through an organic solution pipe, and the organic solution pipe is equipped with a first electromagnetic flow valve and a first pump liquid pump.

Preferably, the cooling liquid storage bucket is fixed on the suction pipe, and a side passage pipe is provided at the bottom of the cooling liquid storage bucket to connect the organic solution pipe. In the invention, the low-temperature liquid on the liquid suction pipe is used to condense the distribution cover, thereby facilitating the collection of the cooling liquid.

Preferably, the top of the mixing and separation tank is also connected with a liquid inlet pipe, the top of the liquid inlet pipe protrudes from the lower part of the floating base, and a second liquid pump is installed on the liquid inlet pipe.

The liquid inlet pipe is equipped with a second electromagnetic flow valve; the liquid suction pipe is equipped with a third liquid suction pump.

A third electromagnetic flow valve is installed on the liquid discharge pipe.

Preferably, a control unit is installed in the box, and the control unit is electrically connected to the first electromagnetic flow valve, the second electromagnetic flow valve, the third electromagnetic flow valve, the first pump, the second pump and the third pump. Three pumping pumps are used to control the opening or closing of the first electromagnetic flow valve, the second electromagnetic flow valve, the third electromagnetic flow valve, the first pump, the second pump and the third pump.

Preferably, a stirring shaft is installed at the bottom of the mixing and separation tank, a stirring blade is installed on the upper part of the stirring shaft, and a driving motor is connected to the bottom of the stirring shaft, and the driving motor is connected to the control unit by telecommunication.

(3) Beneficial effects

An online monitoring device for marine emerging pollutants provided by the present invention has the following advantages:

1. The present invention uses solar panels to generate electric energy (only about 20% of the solar energy is converted into electric energy, and the rest is converted into heat energy), and the heat energy is not used to heat the liquid in the volatilization tank when the light is irradiated on the top cover, so that it is concentrated, The concentration of organic pollutants in the liquid to be detected is increased, and it is convenient to detect and detect low-content phenols or aromatic hydrocarbons.

Description of drawings

1 is a schematic diagram of the internal structure of the online monitoring device for marine emerging pollutants according to Embodiment 1 of the present invention;

2 is a schematic diagram of the internal structure of the structure part A of the online monitoring device for marine emerging pollutants according to Embodiment 1 of the present invention;

3 is a schematic diagram of a control unit control flow of the structure of the online monitoring device for marine emerging pollutants according to Embodiment 1 of the present invention.

1. Top cover; 2. Box body; 3. Floating base; 4. Solar panel; 5. Ring-shaped base plate; 6. Volatilization tank; 7. Mixing separation tank; 8. Liquid suction pipe; 9. Drive motor; 10 11, opening; 12, liquid discharge pipe; 13, micro high performance liquid chromatograph; 14, cooling liquid storage bucket; 15, storage tank; 16, organic solution pipe; 17, the first electromagnetic flow valve; 18. The first pump; 19, the liquid inlet pipe; 20, the second pump; 21, the second electromagnetic flow valve; 22, the third pump; 23, the third electromagnetic flow valve; 24, the control unit ; 25, stirring shaft; 26, stirring blade; 27, side passage pipe; 28, discharge pipe.

Detailed ways

The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments. The following examples are intended to illustrate the present invention, but not to limit the scope of the present invention.

Example 1:

As shown in Figure 1 and Figure 2, the present invention provides an online monitoring device for marine emerging pollutants, comprising: a top cover 1 made of a conical metal material with good thermal conductivity, a box located at the lower part of the top cover 2 and the floating base 3 at the bottom of the box, the outer surface of the top cover is provided with a solar panel 4, the inner surface of the top cover is provided with an annular receiving bottom plate 5, and the bottom of the annular receiving bottom plate is fixed to the top cover. The inner side surface and the top cover form a volatilization tank 6 whose width is gradually increased from the bottom upward; the box is equipped with a mixing separation tank 7 for storing seawater and a liquid suction pipe 8, and the bottom of the liquid suction pipe extends into the mixing separation On the upper part of the tank, the top of the suction pipe is equipped with a dispensing cover 10, the inside of the dispensing cover has a cavity communicating with the suction pipe, and the bottom of the cavity has an opening 11, the opening is facing the volatilization tank, the volatilization A liquid discharge pipe 12 is installed at the bottom of the tank, and the bottom of the liquid discharge pipe is connected to a micro high performance liquid chromatograph 13 .

The dispensing cover is an arc-shaped umbrella-shaped cover top made of metal material. A conical cooling liquid storage hopper 14 is installed at the lower part of the dispensing cover for collecting the liquid condensed and dripped from the dispensing cover. There is also a storage tank 15 for storing organic solutions in the box. The top of the storage tank is connected to the top of the mixing and separation tank through an organic solution pipe 16. The organic solution pipe is equipped with a first electromagnetic flow valve 17 and a first pump. Liquid pump 18. The cooling liquid storage bucket is fixed on the suction pipe, and the bottom of the cooling liquid storage bucket is provided with a side passage pipe 27 to connect the organic solution pipe. The bottom of the mixing and separation tank is also provided with a discharge pipe 28 to communicate with the outside world. In the present invention, the organic solution is a non-polar organic solution, such as dichloromethane.

The top of the mixing and separation tank is also connected with a liquid inlet pipe 19, the top of the liquid inlet pipe extends out of the lower part of the floating base, and a second liquid pump 20 is installed on the liquid inlet pipe. A second electromagnetic flow valve 21 is installed on the liquid inlet pipe; a third liquid suction pump 22 is installed on the liquid suction pipe. A third electromagnetic flow valve 23 is installed on the liquid discharge pipe. The box is equipped with a control unit 24, and the control unit is electrically connected to the first electromagnetic flow valve, the second electromagnetic flow valve, the third electromagnetic flow valve, the first pump, the second pump and the third pump. The liquid pump is used to control the opening or closing of the first electromagnetic flow valve, the second electromagnetic flow valve, the third electromagnetic flow valve, the first liquid pump, the second liquid pump and the third liquid pump. The bottom of the mixing and separation tank is provided with a stirring shaft 25, the upper part of the stirring shaft is provided with a stirring blade 26, and the bottom of the stirring shaft is externally connected to a drive motor 9, which is telecommunicationly connected to the control unit. A PLC (Programmable Logic Controller) can be used for the control unit of the present invention.

When the embodiment of the present invention is implemented, the third liquid pumping pump draws the external liquid into the mixing and separating tank, and the organic solution is pumped into the mixing and separating tank by the second liquid pumping pump. The upper organic solution enters the volatilization tank through the dispensing cover, and is volatilized and concentrated by using the excess heat of solar power generation. The concentrated liquid enters the micro high performance liquid chromatograph for detection; the volatilized organic solution is cooled by the dispensing cover and then returned to the cooling liquid In the storage hopper, it is then returned to the storage tank or the mixing separation tank; the heat collected by the solar panel is used to power the battery valve, the liquid pump and the micro high performance liquid chromatograph, and the PLC controls the driving motor, the first electromagnetic The flow valve, the second electromagnetic flow valve, the third electromagnetic flow valve, the first pump, the second pump and the third pump are used to control the first electromagnetic flow valve, the second electromagnetic flow valve, the third Open or close the electromagnetic flow valve, the first pump, the second pump and the third pump.

Example 2:

An on-line monitoring device for marine emerging pollutants provided by the present invention includes: a top cover made of a conical metal material with good thermal conductivity, a box located at the lower part of the top cover, and a floating base located at the bottom of the box, so The outer surface of the top cover is equipped with a solar cell panel, and the inner surface of the top cover is equipped with an annular receiving bottom plate, and the bottom of the annular receiving bottom plate is fixed on the inner side surface of the top cover, and the width formed with the top cover gradually increases from the bottom to the top. The added volatilization tank; the box is equipped with a mixing separation tank for storing seawater and a liquid suction pipe, the bottom of the liquid suction pipe extends into the upper part of the mixing and separation tank, the top of the liquid suction pipe is equipped with a sprinkler cover, and the The inside of the dispensing cover is provided with a cavity communicating with a liquid suction pipe, the bottom of the cavity has an opening, the opening is facing the volatilization tank, a liquid discharge pipe is installed at the bottom of the volatilization tank, and the bottom of the liquid discharge pipe is connected to the micro-high-efficiency liquid phase Chromatograph.

The above-mentioned embodiments are only used to illustrate the present invention, and the structure and connection mode of each component can be changed to some extent. outside the scope of protection of the invention.

Claims (10)

1. The device for monitoring the new ocean pollutants on line is characterized by comprising a top cover, a box body and a floating base, wherein the top cover is made of conical metal materials and has good heat conductivity, the box body is positioned at the lower part of the top cover, the floating base is positioned at the bottom of the box body, a solar cell panel is arranged on the outer side surface of the top cover, an annular bearing bottom plate is arranged on the inner side surface of the top cover, the inner side surface of the top cover is fixed at the bottom of the annular bearing bottom plate, and a volatilization groove with the width gradually increased from the bottom to; the utility model discloses a seawater desalination device, including a box, be equipped with the mixed knockout drum and the liquid suction pipe that are used for saving the sea water in the box, the liquid suction pipe bottom stretches into mixed knockout drum upper portion, the liquid suction pipe top is equipped with and divides to spill the lid, divide and spill the lid inside and have cavity intercommunication liquid suction pipe, the cavity bottom has the opening, the opening is just to volatilizing the groove, volatilize the tank bottom and install the casting pipe, miniature high performance liquid chromatograph is connected to the casting pipe bottom.

2. The device for on-line monitoring of marine emerging pollutants as claimed in claim 1, wherein said distribution cover is an arc umbrella-shaped cover top made of metal.

3. An on-line monitoring device for marine emerging pollutants as claimed in claim 2, wherein said dispensing cap is fitted at its lower portion with a conical coolant storage hopper for collecting liquid dripping from the dispensing cap by condensation.

4. The device for on-line monitoring of marine emerging pollutants as claimed in claim 3, wherein a storage tank for storing organic solution is further arranged in the tank body, the top of the storage tank is communicated with the top of the mixing and separating tank through an organic solution pipe, and a first electromagnetic flow valve and a first liquid pump are mounted on the organic solution pipe.

5. The device for on-line monitoring of marine emerging pollutants as claimed in claim 4, wherein said coolant storage bucket is fixed on the liquid suction pipe, and a side pipe is arranged at the bottom of said coolant storage bucket and connected with the organic solution pipe.

6. The device for on-line monitoring of marine emerging pollutants as claimed in claim 5, wherein a liquid inlet pipe is further communicated with the top of the mixing and separating tank, the top end of the liquid inlet pipe extends out of the lower portion of the floating base, and a second liquid pump is mounted on the liquid inlet pipe.

7. The device for on-line monitoring of emerging marine pollutants as claimed in claim 6, wherein a second electromagnetic flow valve is installed on said liquid inlet pipe; and a third liquid pump is arranged on the liquid pumping pipe.

8. An on-line monitoring device for marine emerging pollutants as in claim 7, wherein a third electromagnetic flow valve is attached to said blow-off line.

9. The device of claim 8, wherein a control unit is installed in the housing, and the control unit is electrically connected to the first electromagnetic flow valve, the second electromagnetic flow valve, the third electromagnetic flow valve, the first liquid pump, the second liquid pump, and the third liquid pump, and is configured to control the opening and closing of the first electromagnetic flow valve, the second electromagnetic flow valve, the third electromagnetic flow valve, the first liquid pump, the second liquid pump, and the third liquid pump.

10. The device for on-line monitoring of marine emerging pollutants as claimed in claim 9, wherein a stirring shaft is installed at the bottom of said mixing and separating tank, stirring blades are installed at the upper part of said stirring shaft, and a driving motor is externally connected to the bottom of said stirring shaft and is in telecommunication connection with a control unit.

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