CN112666046A - Water quality testing device based on viscosity detection - Google Patents
Water quality testing device based on viscosity detection Download PDFInfo
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- CN112666046A CN112666046A CN202011378414.XA CN202011378414A CN112666046A CN 112666046 A CN112666046 A CN 112666046A CN 202011378414 A CN202011378414 A CN 202011378414A CN 112666046 A CN112666046 A CN 112666046A
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Abstract
The invention relates to a water quality detection device based on viscosity detection, which comprises a floating unit, a viscosity detection unit and a positioning unit. The viscosity detection unit comprises a first detection chamber, an adsorption piece, a second detection chamber and a data instrument, wherein a first viscometer is arranged in the first detection chamber to obtain a first viscosity value, the adsorption piece is used for adsorbing metal cations in water, a second viscometer is arranged in the second detection chamber to obtain a second viscosity value after adsorption, the data instrument is connected with the first viscometer and the second viscometer and used for receiving the first viscosity value and the second viscosity value and obtaining a difference value of the first viscosity value and the second viscosity value, the difference value is in positive correlation with the quantity of the metal cations in the water in the first detection chamber, and the quantity of the metal cations feeds back the pollution degree of the water, so that the difference value is the pollution degree of the fed back water; the positioning unit limits the overall structure to the corresponding position of the single sewage discharge point. The pollution degree of water can be detected at different sewage discharge ports of the river, the detection data is refined, so that the sewage discharge can be controlled scientifically, and the cost is low.
Description
Technical Field
The invention relates to the field of ecological environment protection, in particular to a water quality detection device based on viscosity detection.
Background
At present, due to excessive discharge of waste water, water quality pollution is accelerated to deteriorate, and a perfect water quality detection technology is an important means for restraining water pollution and protecting human life sources. The existing water quality detection device is generally used for overall detection of a water area, and the point-by-point water quality detection of different sewage discharge points of the water area is difficult. For example, a river is usually provided with a plurality of sewage discharge points of factory enterprises from upstream to downstream, the sewage discharge points at the downstream are usually dense, and the existing water quality detection device usually only detects the pollution degree of water in the downstream water area. Under the general condition, if the water quality detection device detects that the pollution degree of the water of the river exceeds the standard, unified management and control are adopted, different discharge conditions of upstream and downstream and different factory enterprises are not considered, the large-scale enterprises are caused to change sewage discharge points additionally, other rivers are polluted, the small-scale enterprises stop production, the economy is reduced, the temporary solution is not treated, the effect of protecting the ecological environment safety is not achieved in the large-scale enterprises, and the resources are more easily wasted and the ecological environment safety is harmed.
Through research, the sewage that factory enterprise discharged contains metal cation usually, metal cation's content is more, the pollution degree of water is more serious, and metal cation can lead to the viscosity reduction of water, and can be adsorbed by cross-linked chitosan resin cheap and that adsorption efficiency is strong, if can be through the contrast before the viscosity of adsorbing metal cation water, regard the viscosity difference as the data support, put water quality testing device in different sewage discharge points, not only the cost does not rise, but also be favorable to managing the emission of each factory enterprise according to the emission situation science of difference, be favorable to refining the data, be convenient for the scientific ecological environment of administering, avoid blind management.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a water quality detection device based on viscosity detection, wherein a first viscometer and a second viscometer are arranged to detect the viscosity of metal cations in water before and after adsorption, a data instrument is used for comparing and recording the viscosity and obtaining a difference value, the content of the metal cations in the water is judged according to the viscosity difference value so as to judge the pollution degree of the water, and a positioning unit is arranged for position locking so as to detect the pollution condition of the water at a single sewage discharge point, so that the water quality detection device is beneficial to refining data, is convenient for scientifically controlling the discharge of sewage, and is low in cost and convenient to use.
The technical scheme adopted by the invention is as follows:
the water quality detection device based on viscosity detection comprises a floating unit, a viscosity detection unit and a positioning unit. Wherein the floating unit comprises a first housing forming a sealed first cavity, capable of floating in water; the viscosity detection unit comprises a first detection chamber, an adsorption piece, a second detection chamber and a data instrument, wherein the first detection chamber, the adsorption piece, the second detection chamber and the data instrument are arranged in the first cavity; the second detection chamber is connected with a second pump body through a pipeline, and the second pump body is communicated with the outside of the first shell through a pipeline; the first pump body is used for conveying water outside the first shell to the first detection chamber, and the first viscometer is used for detecting the viscosity of the water in the first detection chamber to obtain a first viscosity value; the water in the first detection chamber passes through the adsorption part, the adsorption part is used for adsorbing metal cations in the water to obtain metal cation removed water, the second detection chamber is used for receiving the metal cation removed water, and the second viscometer is used for detecting the viscosity of the metal cation removed water to obtain a second viscosity value; the second pump body is used for discharging the metal cation removing water in the second detection chamber; the data instrument is connected with the first viscometer and the second viscometer through leads and is used for receiving the first viscosity value and the second viscosity value and obtaining a difference value of the first viscosity value and the second viscosity value, the difference value is in positive correlation with the quantity of metal cations in water in the first detection chamber, and the quantity of the metal cations can feed back the pollution degree of the water, so that the difference value can feed back the pollution degree of the water; the positioning unit is connected with the first shell, and limits the floating unit at the corresponding position of the single sewage discharge point, so that the viscosity detection unit can detect the pollution degree of water at the single sewage discharge point.
Furthermore, the adsorption piece is a cross-linked chitosan resin adsorption piece.
Furthermore, still be equipped with the adsorption chamber in the first cavity, be equipped with a plurality of absorption chamber in the adsorption chamber, every absorption chamber communicates first detection room and second detection room respectively, is equipped with an absorption piece in every absorption chamber respectively.
Furthermore, the invention also comprises a control panel which is connected with the data instrument through a wire, and the control panel is also connected with the first pump body, the second pump body, the first viscometer and the second viscometer through wires.
Further, the positioning unit comprises a first positioning piece and an air bag, the first positioning piece is connected with the first shell, and the first positioning piece can be sunk into the water bottom to anchor the floating unit; an air bag is connected to the first housing, the air bag being capable of providing variable buoyancy to the flotation unit to adjust the water level of the flotation unit.
Further, the positioning unit further comprises a second positioning piece, and the second positioning piece can enable the floating unit to be connected with a water bank so as to be matched with the first positioning piece to lock the position of the floating unit.
Furthermore, the first positioning piece is set as a positioning anchor, the second positioning piece is set as a connecting rope and a ground pile, the ground pile is arranged on a water bank, one end of the connecting rope is connected with the floating unit, and the other end of the connecting rope is connected with the ground pile.
Furthermore, the solar water heater also comprises a power unit, wherein the power unit comprises a second shell, a solar panel and a battery, the second shell is detachably connected with the first shell, the second shell forms a second cavity, the data instrument and the battery are arranged in the second cavity, the solar panel is arranged on the outer wall of the second shell and can be positioned above the water surface, and the battery is connected with the solar panel through a wire to jointly form a power source; the data instrument is connected with the battery through a lead.
Furthermore, the invention also comprises a self-cleaning unit, wherein the self-cleaning unit comprises a cleaning pipe, a filtering device and a cleaning valve, and the first detection chamber and the first pump body and the first detection chamber and the second detection chamber are respectively connected through the two cleaning pipes; the filtering device is arranged at the position of the cleaning pipe between the first detection chamber and the first pump body; the cleaning valve is arranged at the position of the cleaning pipe between the first detection chamber and the second detection chamber, and the cleaning valve is connected with the control panel through a lead.
Furthermore, the invention also comprises a liquid inlet valve, an adsorption valve and a liquid outlet valve, wherein the liquid inlet valve is positioned on a pipeline connecting the first detection chamber and the first pump body, and the liquid inlet valve is positioned between the first detection chamber and the connection part of the cleaning pipe and the first pump body; adsorption valves are respectively arranged on pipelines between the adsorption cavity and the first detection chamber and between the adsorption cavity and the second detection chamber; the drain valve is positioned on a pipeline at the joint of the second detection chamber and the second pump body; the liquid inlet valve, the adsorption valve and the liquid discharge valve are respectively connected with the control panel through leads.
The invention has the beneficial effects that:
1. the viscosity difference of the water before and after the metal cations are adsorbed is obtained by matching the first viscometer, the adsorption piece, the second viscometer and the data instrument so as to reflect the pollution degree of the water, and the device has simple structure and low cost.
2. Be equipped with the positioning unit and carry out position locking to detect the pollution condition of the water of single sewage discharge point, be favorable to refining data, fixed point detects, the emission of the science management and control sewage of being convenient for.
3. The adsorption chamber is equipped with a plurality of absorption chambeies, and every absorption intracavity is equipped with one respectively and adsorbs the piece, does benefit to and obtains more accurate detection data, prevents to lead to detecting data distortion because of adsorbing the excessive absorption failure of piece.
4. The positioning unit comprises a first positioning piece and an air bag, the first positioning piece can be sunk into the water bottom to anchor the floating unit, the air bag can provide variable buoyancy for the floating unit to adjust the water level height of the floating unit, fixed-point detection is facilitated, and the accuracy of detection data is guaranteed.
5. The power source is provided by the battery and the solar panel together, thereby not only protecting the environment, but also ensuring sufficient power and being beneficial to the construction of ecological environment-friendly environment.
6. The self-cleaning unit is arranged, the first detection chamber and the second detection chamber can be cleaned, detection data distortion caused by residual water in the first detection chamber or the second detection chamber is prevented, the accuracy of the detection data is guaranteed, and the cleanness is also guaranteed.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic cross-sectional view of an exemplary embodiment of the present invention;
FIG. 2 is an enlarged view of the area A in FIG. 1;
FIG. 3 is a schematic cross-sectional view of another exemplary embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of another exemplary embodiment of the present invention;
FIG. 5 is an enlarged view of the area B in FIG. 4;
fig. 6 is a schematic cross-sectional structure of another exemplary embodiment of the present invention.
In the figure, 1. a floating unit; 11. a first housing; 111. a first cavity; 2. a viscosity detection unit; 21. a first detection chamber; 22. an adsorbing member; 23. a second detection chamber; 24. a data instrument; 25. an adsorption chamber; 211. a first viscometer; 212. a first pump body; 231. a second viscometer; 232. a second pump body; 251. an adsorption chamber; 252. a cover body of the adsorption chamber; 3. a positioning unit; 31. a first positioning member; 32. an air bag; 33. a second positioning member; 331. a connecting rope; 332. piling; 4. a control panel; 41. a liquid inlet valve; 42. an adsorption valve; 43. a drain valve; 5. a power unit; 51. a second housing; 52. a solar panel; 53. a battery; 511. a second cavity; 6. a cleaning unit; 61. cleaning the tube; 62. a filtration device; 63. and (6) cleaning the valve.
Detailed Description
In order to more clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will now be described with reference to the accompanying drawings, in which the same reference numerals indicate the same or structurally similar but functionally identical elements.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited by the specific embodiments disclosed below.
As shown in fig. 1-2, the water quality detecting device based on viscosity detection comprises a floating unit 1, a viscosity detecting unit 2 and a positioning unit 3. Wherein the floating unit comprises a first housing 11 forming a sealed first cavity 111, capable of floating in water; the viscosity detection unit comprises a first detection chamber 21, an adsorption piece 22, a second detection chamber 23 and a data instrument 24 which are arranged in the first cavity, a first viscometer 211 is arranged in the first detection chamber, a second viscometer 231 is arranged in the second detection chamber, the first detection chamber is connected with a first pump body 212 through a pipeline, and the first pump body is communicated with the outside of the first shell through a pipeline; the second detection chamber is connected with the second pump body 232 through a pipeline, and the second pump body is communicated with the outside of the first shell through a pipeline; the first pump body is used for conveying water outside the first shell to the first detection chamber, and the first viscometer is used for detecting the viscosity of the water in the first detection chamber to obtain a first viscosity value; the water in the first detection chamber passes through the adsorption part, the adsorption part is used for adsorbing metal cations in the water to obtain metal cation removed water, the second detection chamber is used for receiving the metal cation removed water, and the second viscometer is used for detecting the viscosity of the metal cation removed water to obtain a second viscosity value; the second pump body is used for discharging the metal cation removing water in the second detection chamber; the data instrument is connected with the first viscometer and the second viscometer through leads and is used for receiving the first viscosity value and the second viscosity value and obtaining a difference value of the first viscosity value and the second viscosity value, the difference value is in positive correlation with the quantity of metal cations in water in the first detection chamber, and the quantity of the metal cations can feed back the pollution degree of the water, so that the difference value can feed back the pollution degree of the water; the positioning unit is connected with the first shell, and limits the floating unit at the corresponding position of the single sewage discharge point, so that the viscosity detection unit can detect the pollution degree of water at the single sewage discharge point.
As shown in fig. 1-2, the working process of the present invention is to place the present invention at a sewage discharge point, the positioning unit is connected with the first housing to fixedly limit the overall structure at a corresponding position in the water, the first pump body works to suck the water into the first detection chamber through a pipeline, when the first detection chamber is filled with water, the first viscometer starts working to detect the viscosity of the water in the first detection chamber, and the detected value is fed back to the data instrument to obtain a first viscosity value; then, the water in the first detection chamber passes through the adsorption piece, and metal cations in the water are adsorbed by the adsorption piece, so that metal cation removed water is obtained; then, the metal cation-removed water enters a second detection chamber, when all the water enters, a second viscometer starts to work to detect the viscosity of the metal cation-removed water in the second detection chamber, a detection value is fed back to a data instrument to obtain a second viscosity value, the data instrument carries out operation to obtain a difference value between the first viscosity value and the second viscosity value, and the difference value directly reflects the concentration of the metal cations in the water, so that the pollution degree of the water at a sewage discharge point is reflected, and the water quality detection is realized; the second pump operates to drain the demetallized cationic water from the second detection chamber, after which the various components of the invention await further detection. Therefore, the first viscometer and the second viscometer can detect the viscosity of metal cations in water before and after adsorption, the data instrument is used for comparing and recording the viscosity and obtaining a difference value, the content of the metal cations in the water is judged according to the viscosity difference value so as to judge the pollution degree of the water, the structure is simple, the cost is low, in addition, the positioning unit is arranged for position locking so as to detect the pollution condition of the water at a single sewage discharge point, the fixed-point detection is facilitated, the different sewage discharge points of the same river can be provided with the water pollution degrees for detecting different sewage discharge points, the data refining is facilitated, and the scientific control of the sewage discharge is facilitated.
Specifically, the adsorption member is a crosslinked chitosan resin adsorption member. The cross-linked chitosan resin is cheap and has strong capability of adsorbing metal cations, and can be used for multiple times, so that the invention has low cost and simple structure.
As shown in fig. 1-2, the first cavity is further provided with an adsorption chamber 25, the adsorption chamber is provided with a plurality of adsorption cavities 251, each adsorption cavity is respectively communicated with the first detection chamber and the second detection chamber, and each adsorption cavity is provided with an adsorption member. After the viscosity of water in the first detection chamber is detected by the first viscometer, the water in the first detection chamber enters an adsorption cavity in the adsorption chamber through a pipeline to be kept stand, an adsorption piece in the adsorption cavity adsorbs metal cations in the water, metal cation removed water is obtained after adsorption is completed, then the metal cation removed water enters a second detection chamber through a pipeline to be subjected to viscosity detection, the subsequent working process is not changed, and the description is omitted; when the detection is carried out again, the water in the first detection chamber enters another adsorption cavity in the adsorption chamber for standing, and the adsorption piece in the adsorption cavity adsorbs cations in the water. The adsorption cavity is independently arranged, so that metal cations of water entering the adsorption cavity from the first detection chamber can be fully adsorbed by the adsorption part, and the second viscometer is prevented from being corroded due to long-time contact with water containing the metal cations to influence detection data; set up a plurality of absorption chambeies in the adsorption chamber and make and all can get into different absorption intracavity along the water that the pipeline got into in the adsorption chamber from first detection room at every turn, avoided because the absorption that the absorption piece leads to ages gradually is incomplete, perhaps the absorption piece has the difference distortion that remains the viscosity that leads to and detect to the accuracy, the validity of data have been guaranteed.
As shown in fig. 1-2, an adsorption chamber cover 252 is further disposed at the upper end of the adsorption chamber, so as to facilitate replacement of the adsorption member in each adsorption chamber in the adsorption chamber, and facilitate manufacture and processing of the adsorption chamber. Alternatively, as shown in fig. 3, the first detection chamber, the adsorption chamber and the second detection chamber are arranged from top to bottom, and water can circulate at different positions by gravity without a water pump; as shown in fig. 4-5, only one adsorption chamber is arranged in the adsorption chamber, so that a plurality of adsorption pieces are not needed, the cost is saved, and the processing and the manufacturing are convenient; as shown in fig. 6, the adsorption chamber and the second detection chamber are combined into a space, and the adsorption process is performed in the space, so that the cost is effectively saved, the structure is simpler, and the processing and manufacturing are convenient.
As shown in figure 1, the invention also comprises a control board 4 which is connected with the data instrument through wires and is also connected with the first pump body, the second pump body, the first viscometer and the second viscometer through wires. The switch of the first pump body of control panel control, the second pump body, first viscosimeter and second viscosimeter realizes automated control, need not to consume manpower, time and carries out water quality testing work, has also avoided because the environment is abominable, and the sewage discharge point is difficult for carrying out the condition of artifical on-the-spot water quality testing.
As shown in fig. 1, the positioning unit comprises a first positioning member 31 and an air bag 32, the first positioning member being connected to the first housing, the first positioning member being capable of sinking into the water bottom to anchor the floating unit; an air bag is connected to the first housing, the air bag being capable of providing variable buoyancy to the flotation unit to adjust the water level of the flotation unit. The floating device is placed at a sewage discharge point, the first positioning piece is sunk into the water bottom, the first shell is anchored, the area position of the floating device in water is fixed, then gas with the density lower than that of water is filled into the air bag, the floating unit floats in the water when the gas continuously enters the air bag, when the floating unit reaches the designated position, the gas is stopped being filled into the air bag, and the floating unit can be kept at the required water level, so that the water level height of the floating device at the sewage discharge point can be adjusted; in conclusion, the first positioning piece limits the position of the region of the floating unit by sinking into the water bottom, the air bag limits the water level height of the floating unit in the water by adjusting buoyancy, and the first positioning piece and the air bag are matched to lock the position so that the viscosity detection unit can detect at a single sewage discharge point, and the reliability of detection data is guaranteed.
As a further optimization of the positioning unit, as shown in fig. 1, the positioning unit further comprises a second positioning member 33, which enables the floating unit to be connected to the shore to lock the position of the floating unit in cooperation with the first positioning member. Through connecting floating unit and bank, the second setting element has restricted floating unit for the position of bank, when having avoided sewage discharge point to discharge sewage, the too big floating unit that leads to of impact of water leaves the measuring position, leads to the condition that the detected data produced the deviation.
Preferably, as shown in fig. 1, the first positioning member is provided as a positioning anchor, the second positioning member is provided as a connecting rope 331 and a ground pile 332, the ground pile is disposed on the water shore, one end of the connecting rope is connected to the floating unit, and the other end thereof is connected to the ground pile. The positioning anchor is inserted into the water bottom, so that the region positioning of the floating unit is more accurate and firm; the ground pile is arranged on the water bank, the floating unit and the water bank are connected through the connecting rope, the position of the floating unit relative to the water bank is fixed, the position of the floating unit in water is further fixed, and the effectiveness of detection data is guaranteed. As shown in fig. 1, the side of the first positioning member sinking into the water bottom is a conical tip, which is beneficial for the first positioning member to be firmly inserted into the water bottom and not to easily deviate from the detection position.
As shown in fig. 1, the invention also comprises a power unit 5, the power unit comprises a second shell 51, a solar panel 52 and a battery 53, the second shell is detachably connected with the first shell, the second shell forms a second cavity 511, the data instrument and the battery are arranged in the second cavity, the solar panel is arranged on the outer wall of the second shell and can be positioned above the water surface, and the battery is connected with the solar panel through a wire to jointly become a power source; the data instrument is connected with the battery through a lead. The solar panel and the battery are jointly used as power sources, so that the viscosity detection unit is guaranteed to have sufficient power sources under different weather conditions, the environment is protected, sufficient power is guaranteed, and ecological environment-friendly environment construction is facilitated; the second casing can be dismantled with first casing and be connected, and under the effect of gasbag, the buoyancy of first casing is adjustable, and the water level height of first casing in aqueous promptly can be adjusted through the buoyancy of gasbag, from this, is located the solar panel of second casing outer wall and can be in on the surface of water, keeps solar panel can be shone with the energy of make full use of light by light.
As shown in fig. 1-2, the present invention further comprises a self-cleaning unit 6 comprising a cleaning pipe 61, a filtering device 62 and a cleaning valve 63, wherein the first detection chamber and the first pump body and the first detection chamber and the second detection chamber are connected via two cleaning pipes, respectively; the filtering device is arranged at the position of the cleaning pipe between the first detection chamber and the first pump body; the cleaning valve is arranged at the position of the cleaning pipe between the first detection chamber and the second detection chamber, and the cleaning valve is connected with the control panel through a lead. After water quality detection is carried out once, the first pump body works under the control of the control panel, a cleaning valve arranged at the position of a cleaning pipe between the first detection chamber and the second detection chamber is opened, water enters the first detection chamber through the filtering device along the cleaning pipe arranged between the first detection chamber and the first pump body, the cleaning valve arranged at the position of the cleaning pipe between the first detection chamber and the second detection chamber is opened, the water can enter the second detection chamber along the cleaning pipe arranged between the first detection chamber and the second detection chamber, when the second detection chamber is full, the second pump body works under the control of the control panel to discharge the water, therefore, residual water in the first detection chamber and the second detection chamber is cleaned, and the validity and the reliability of time measurement data of water quality detection are ensured to be carried out again later.
As shown in fig. 1-2, the present invention further includes a liquid inlet valve 41, an adsorption valve 42 and a liquid outlet valve 43, the liquid inlet valve is located on a pipeline connecting the first detection chamber and the first pump body, and the liquid inlet valve is located at a position between the first detection chamber and a connection between the cleaning pipe and the first pump body; adsorption valves are respectively arranged on pipelines between the adsorption cavity and the first detection chamber and between the adsorption cavity and the second detection chamber; the drain valve is positioned on a pipeline at the joint of the second detection chamber and the second pump body; the liquid inlet valve, the adsorption valve and the liquid discharge valve are respectively connected with the control panel through leads.
Therefore, firstly, as shown in fig. 1-2, the detection process of the present invention is that under the control of the control board, the liquid inlet valve on the pipeline connecting the first detection chamber and the first pump body is opened, at the same time, the first pump body is opened, the water entering through the first pump body can enter the first detection chamber along the pipeline, until the first detection chamber is full of water, the liquid inlet valve is closed, and the first pump body is stopped, after that, the water in the first detection chamber is in a static state, which is beneficial to the viscosity detection work of the first viscometer, after the viscosity detection work of the first viscometer is completed, the data instrument receives the signal to obtain the first viscosity value detected by the first viscometer, then, the adsorption valve at a certain adsorption cavity position in the adsorption chamber is opened, the water in the first detection chamber enters the certain adsorption cavity through the water pump to adsorb metal cations, after the water in the first detection chamber is completely entered, closing one adsorption valve, opening the adsorption valve again until the adsorption process is completed, wherein the water in the adsorption cavity is metal cation removed water, when the adsorption valve is opened again, the metal cation removed water can enter the second detection chamber through another water pump along the pipeline, when the metal cation removed water completely enters the second detection chamber, the adsorption valve is closed, then the metal cation removed water in the second detection chamber is in a static state, which is beneficial to the viscosity detection work of the second viscometer, after the viscosity detection work of the second viscometer is completed, the data instrument receives a signal to obtain a second viscosity value detected by the second viscometer, then the drain valve on the pipeline at the connection position of the second detection chamber and the second pump body is opened, meanwhile, the second pump body is opened to drain the metal cation removed water in the second detection chamber, and the drain valve is closed until the drain is completed, while the second pump stops. When the water in the first detection chamber enters the adsorption chamber again, the adsorption valve at the position of the other adsorption cavity in the adsorption chamber is opened, the water in the first detection chamber enters the other adsorption cavity through the water pump to adsorb metal cations, after the water in the first detection chamber enters the adsorption chamber, the other adsorption valve is closed until the other adsorption valve is opened again after the adsorption process is finished, the water in the adsorption chamber is the metal cation removing water, when the other adsorption valve is opened again, the metal cation removing water can enter the second detection chamber through the other water pump along the pipeline, when the metal cation removing water completely enters the second detection chamber, the other adsorption valve is closed, the subsequent process is the same as the previous process, and the repeated description is omitted.
Secondly, as shown in fig. 1-2, the self-cleaning process of the present invention is that, under the control of the control panel, the first pump body is opened, and at the same time, the liquid inlet valve on the pipeline connecting the first detection chamber and the first pump body is closed, the water entering through the first pump body can enter the first detection chamber along the cleaning pipe between the first detection chamber and the first pump body, and enter the second detection chamber along the cleaning pipe between the first detection chamber and the second detection chamber to clean the first detection chamber, the second detection chamber, the first viscometer and the second viscometer, after the cleaning, the liquid outlet valve is opened, and at the same time, the second pump body is opened to discharge the water in the first detection chamber and the second detection chamber, until the discharge is completed, the liquid outlet valve is closed, and at the same time, the second pump body is stopped.
The liquid inlet valve, the adsorption valve and the liquid outlet valve are arranged and matched with the control of the control panel, so that the full-automatic liquid level detection device disclosed by the invention is fully automatic, can carry out unmanned management and automatic detection for a long time, and also ensures that the detection and cleaning processes are the same and regular each time, and the detection data are more accurate and have no deviation. When carrying out the absorption that carries out metal cation to the water that gets into in the absorption chamber along the pipeline from first detection room, under the control of flowing back valve, detect at every turn, water that gets into in the absorption chamber along the pipeline from first detection room can get into different absorption intracavity, avoided because the absorption that the absorption piece leads to ages gradually incomplete, perhaps the absorption piece has the difference distortion that the viscosity that remains the result in detected, has guaranteed accuracy, the validity of data.
Claims (10)
1. The water quality detection device based on viscosity detection is characterized by comprising,
a floating unit including a first housing forming a sealed first cavity capable of floating in water;
the viscosity detection unit comprises a first detection chamber, an adsorption piece, a second detection chamber and a data instrument, wherein the first detection chamber, the adsorption piece, the second detection chamber and the data instrument are arranged in the first cavity; the second detection chamber is connected with a second pump body through a pipeline, and the second pump body is communicated with the outside of the first shell through a pipeline; the first pump body is used for conveying water outside the first shell to the first detection chamber, and the first viscometer is used for detecting the viscosity of the water in the first detection chamber to obtain a first viscosity value; the water in the first detection chamber passes through the adsorption part, the adsorption part is used for adsorbing metal cations in the water to obtain metal cation removed water, the second detection chamber is used for receiving the metal cation removed water, and the second viscometer is used for detecting the viscosity of the metal cation removed water to obtain a second viscosity value; the second pump body is used for discharging the metal cation removing water in the second detection chamber; the data instrument is connected with the first viscometer and the second viscometer through leads and is used for receiving the first viscosity value and the second viscosity value and obtaining a difference value of the first viscosity value and the second viscosity value, the difference value is in positive correlation with the quantity of metal cations in the water in the first detection chamber, and the quantity of the metal cations can feed back the pollution degree of the water, so that the difference value can feed back the pollution degree of the water;
and the positioning unit is connected with the first shell and limits the floating unit to the corresponding position of the single sewage discharge point, so that the viscosity detection unit can detect the pollution degree of water at the single sewage discharge point.
2. The water quality detection device based on viscosity detection of claim 1, wherein the adsorption member is a cross-linked chitosan resin adsorption member.
3. The water quality detection device based on viscosity detection as claimed in claim 1, wherein an adsorption chamber is further arranged in the first cavity, a plurality of adsorption chambers are arranged in the adsorption chamber, each adsorption chamber is respectively communicated with the first detection chamber and the second detection chamber, and one adsorption piece is respectively arranged in each adsorption chamber.
4. The water quality detection device based on viscosity detection of claim 3, further comprising a control board, wherein the control board is connected with the data instrument through a wire, and the control board is further connected with the first pump body, the second pump body, the first viscometer and the second viscometer through wires.
5. The viscosity detection-based water quality detection device according to claim 1, wherein the positioning unit comprises a first positioning member and an air bag, the first positioning member is connected with the first shell, and the first positioning member can be sunk into the water bottom to anchor the floating unit; the air bag is connected with the first shell and can provide variable buoyancy for the floating unit so as to adjust the water level height of the floating unit.
6. The viscosity detection-based water quality detection device according to claim 5, wherein the positioning unit further comprises a second positioning member, and the second positioning member enables the floating unit and a water bank to be connected so as to match the first positioning member to lock the position of the floating unit.
7. The viscosity detection-based water quality detection device according to claim 6, wherein the first positioning element is a positioning anchor, the second positioning element is a connecting rope and a ground pile, the ground pile is arranged on a water bank, one end of the connecting rope is connected with the floating unit, and the other end of the connecting rope is connected with the ground pile.
8. The water quality detection device based on viscosity detection according to claim 5, further comprising a power unit, wherein the power unit comprises a second shell, a solar panel and a battery, the second shell is detachably connected with the first shell, the second shell forms a second cavity, the data instrument and the battery are arranged in the second cavity, the solar panel is arranged on the outer wall of the second shell and can be located above the water surface, and the battery is connected with the solar panel through a wire and becomes a power source together; the data instrument is connected with the battery through a lead.
9. The water quality detection device based on viscosity detection according to claim 4, further comprising a self-cleaning unit, wherein the self-cleaning unit comprises a cleaning pipe, a filtering device and a cleaning valve, and the first detection chamber and the first pump body and the second detection chamber are respectively connected through the two cleaning pipes; the filtering device is arranged at the position of the cleaning pipe between the first detection chamber and the first pump body; the cleaning valve is arranged at the position of the cleaning pipe between the first detection chamber and the second detection chamber, and the cleaning valve is connected with the control panel through a lead.
10. The water quality detection device based on viscosity detection according to claim 9, further comprising a liquid inlet valve, an adsorption valve and a liquid outlet valve, wherein the liquid inlet valve is located on a pipeline connecting the first detection chamber and the first pump body, and the liquid inlet valve is located at a position between the first detection chamber and a connection position of the cleaning pipe and the first pump body; the adsorption valves are respectively arranged on pipelines between the adsorption cavity and the first detection chamber and between the adsorption cavity and the second detection chamber; the drain valve is positioned on a pipeline at the joint of the second detection chamber and the second pump body; the liquid inlet valve, the adsorption valve and the liquid discharge valve are respectively connected with the control panel through leads.
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