Real-time on-line detection device for multiple heavy metal elements in wastewater
Technical Field
The utility model relates to a waste water detection technology field especially relates to a multiple heavy metal element's real-time on-line measuring device in waste water.
Background
The water is a source of human life, and under the condition of no artificial pollution, the star content of heavy metal in the water depends on the interaction of the water with soil and rocks, and the value of the star content is generally very low, so that the star content does not cause harm to human health. However, with the development of industry, industrial and mining wastewater, domestic sewage and the like are discharged without being properly treated, soil is polluted, and the heavy metal content in water is sharply increased under the action of flowing water and the input of atmospheric sediment rich in heavy metal in a waste storage yard, so that the water is polluted by the heavy metal. Heavy metals can easily enter human bodies through ways of directly drinking water, eating vegetables and grains irrigated by sewage and the like, and threaten human health, so that the content of the heavy metals in the wastewater needs to be detected in environmental protection engineering.
At present, a photoelectric colorimetric method is adopted for detecting heavy metals, wherein a water sample with a certain volume is subjected to digestion treatment, substances of heavy metal elements to be detected are all oxidized into an ionic state, heavy metal ions to be detected are complexed with a color developing agent to form a complex with a specific color, the complex has maximum absorption at a certain wavelength, the absorbance is linearly related to the concentration of an object to be detected, and the concentration of the heavy metals to be detected can be calculated according to the absorbance.
However, the conventional detection methods are all used for detection in experiments, and cannot perform real-time online detection, so that the detection efficiency is low, and the detection data is delayed.
Therefore, there is a need to provide a new real-time online detection device for multiple heavy metal elements in wastewater to solve the above technical problems.
Citation file, patent number is 201610572634.3, and the patent name is agricultural drips irrigation nutrient element on-line monitoring system based on the thing networking, the utility model discloses in, real-time on-line measuring refers to citation file specification (0019) section, and data are passed through data acquisition module and are transmitted for data processing analysis module, and data processing analysis module handles the analysis with the data of receiving, calculates heavy metal content, realizes real-time on-line measuring.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem provide a convenient to use, can detect heavy metal in the sewage on line in real time, detection efficiency is high, can in time acquire multiple heavy metal element's in the waste water of testing data real-time on-line measuring device.
In order to solve the technical problem, the utility model provides a multiple heavy metal element's real-time on-line measuring device includes in the waste water: mounting blocks; the mounting groove is formed in the top of the mounting block; the bracket is fixedly arranged in the mounting groove; the threaded rod is rotatably arranged on the bracket and penetrates through the bracket; the first conical gear is fixedly arranged at the top end of the threaded rod; the motor is fixedly arranged on the bracket; the second bevel gear is fixedly arranged on the output shaft of the motor and meshed with the first bevel gear; the piston is arranged on the threaded rod in a threaded manner and is connected with the inner wall of the mounting groove in a sliding and sealing manner; the mixing chamber is fixedly arranged at the bottom of the mounting block and communicated with the mounting groove; the sampling pipe is fixedly arranged on one side of the mixing chamber and communicated with the mixing chamber; the first electromagnetic valve is fixedly arranged on the sampling pipe; the connecting pipe is fixedly arranged on the mixing chamber and communicated with the mixing chamber.
Preferably, a second electromagnetic valve is fixedly mounted on the connecting pipe.
Preferably, the bottom of the mixing chamber is fixedly provided with a heavy metal ion analyzer, and the heavy metal ion analyzer is communicated with the connecting pipe.
Preferably, an electric heating wire is fixedly installed in the mixing chamber.
Preferably, the support is provided with a rotating hole, the threaded rod is fixedly sleeved with a bearing, and an outer ring of the bearing is fixedly connected with the inner wall of the rotating hole.
Preferably, the piston is provided with a threaded hole, and the inner wall of the threaded hole is in threaded connection with the threaded rod.
Preferably, two limit grooves are symmetrically formed in the inner wall of the mounting groove, two limit blocks are symmetrically and fixedly mounted on the piston, and the limit blocks are connected with the inner walls of the corresponding limit grooves in a sliding mode.
Preferably, a data processing and collecting module and a data processing and analyzing module are arranged in the heavy metal ion analyzer, and the data collecting module is respectively connected with the data processing and analyzing module and the heavy metal ion analyzer.
Compared with the prior art, the utility model provides a multiple heavy metal element's real-time on-line measuring device in waste water has following beneficial effect:
the utility model provides a real-time on-line detection device for multiple heavy metal elements in wastewater, the support is fixedly installed in the mounting groove, the threaded rod is rotatably installed on the support, the threaded rod penetrates through the support, the first bevel gear is fixedly installed at the top end of the threaded rod, the motor is fixedly installed on the support, the second bevel gear is fixedly installed on the output shaft of the motor, the second bevel gear is meshed with the first bevel gear, the piston is installed on the threaded rod in a threaded manner, the piston is connected with the inner wall of the mounting groove in a sliding sealing manner, the mixing chamber is fixedly installed at the bottom of the mounting block and communicated with the mounting groove, a color developing agent can be automatically injected into the mixing chamber, the sample inlet pipe is fixedly installed at one side of the mixing chamber, just the sampling pipe with the mixing chamber is linked together, first solenoid valve fixed mounting be in on the sampling pipe, can the automatic control sample, connecting pipe fixed mounting be in on the mixing chamber, just the connecting pipe is linked together with the mixing chamber, fixed mounting has the second solenoid valve on the connecting pipe, the bottom fixed mounting of mixing chamber has heavy metal ion analysis appearance, and heavy metal ion analysis appearance and connecting pipe are linked together, fixed mounting has electric heating wire in the mixing chamber, can detect automatically.
Drawings
FIG. 1 is a schematic structural diagram of a preferred embodiment of the device for real-time online detection of multiple heavy metal elements in wastewater provided by the present invention;
fig. 2 is a schematic structural view of the stent shown in fig. 1.
Reference numbers in the figures: 1. the device comprises an installation block, 2, an installation groove, 3, a support, 4, a threaded rod, 5, a first bevel gear, 6, a motor, 7, a second bevel gear, 8, a piston, 9, a mixing chamber, 10, a sample inlet pipe, 11, a first electromagnetic valve, 12, a connecting pipe, 13, a second electromagnetic valve, 14, a heavy metal ion analyzer, 15 and an electric heating wire.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Please refer to fig. 1 and fig. 2 in combination, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of the device for real-time online detection of multiple heavy metal elements in wastewater according to the present invention; fig. 2 is a schematic structural view of the stent shown in fig. 1. Real-time on-line measuring device of multiple heavy metal element in waste water includes: a mounting block 1; the mounting groove 2 is formed in the top of the mounting block 1; the bracket 3 is fixedly arranged in the mounting groove 2; the threaded rod 4 is rotatably arranged on the bracket 3, and the threaded rod 4 penetrates through the bracket 3; the first bevel gear 5 is fixedly arranged at the top end of the threaded rod 4; the motor 6 is fixedly arranged on the bracket 3; a second bevel gear 7, wherein the second bevel gear 7 is fixedly arranged on the output shaft of the motor 6, and the second bevel gear 7 is meshed with the first bevel gear 5; the piston 8 is installed on the threaded rod 4 in a threaded mode, and the piston 8 is connected with the inner wall of the installation groove 2 in a sliding and sealing mode; the mixing chamber 9 is fixedly arranged at the bottom of the mounting block 1, and the mixing chamber 9 is communicated with the mounting groove 2; the sampling tube 10 is fixedly arranged on one side of the mixing chamber 9, and the sampling tube 10 is communicated with the mixing chamber 9; the first electromagnetic valve 11 is fixedly arranged on the sampling pipe 10; and the connecting pipe 12 is fixedly arranged on the mixing chamber 9, and the connecting pipe 12 is communicated with the mixing chamber 9.
A second electromagnetic valve 13 is fixedly mounted on the connecting pipe 12.
The bottom of the mixing chamber 9 is fixedly provided with a heavy metal ion analyzer 14, and the heavy metal ion analyzer 14 is communicated with the connecting pipe 12.
An electric heating wire 15 is fixedly arranged in the mixing chamber 9.
The support 3 is provided with a rotating hole, the threaded rod 4 is fixedly sleeved with a bearing, and the outer ring of the bearing is fixedly connected with the inner wall of the rotating hole.
And a threaded hole is formed in the piston 8, and the inner wall of the threaded hole is in threaded connection with the threaded rod 4.
Two spacing grooves are symmetrically formed in the inner wall of the mounting groove 2, two limiting blocks are symmetrically and fixedly mounted on the piston 8, and the limiting blocks are connected with the inner walls of the corresponding spacing grooves in a sliding mode.
And a data processing and collecting module and a data processing and analyzing module are arranged in the heavy metal ion analyzer 14, and the data collecting module is respectively connected with the data processing and analyzing module and the heavy metal ion analyzer 14.
The utility model provides a multiple heavy metal element's real-time on-line measuring device in waste water's theory of operation as follows:
in the device, the model of a first electromagnetic valve 11 and a second electromagnetic valve 13 is HT025-08, and the model of a heavy metal ion analyzer 14 is SJB-801;
firstly, adding a color developing agent into the mounting groove 2, wherein the color developing agent cannot flow out in the mounting groove 2 under the action of pressure intensity, opening the first electromagnetic valve 11 to enable a certain water sample to enter the mixing chamber 9 through the sample inlet pipe 10, starting the electric heating wire 15 to digest the water sample, and enabling all heavy metal elements in the water sample to be oxidized into a free state;
starting a motor 6, driving a second bevel gear 7 to rotate by the motor 6, driving a first bevel gear 5 to rotate by the second bevel gear 7, driving a threaded rod 4 to rotate by the first bevel gear 5, driving a piston 8 to move downwards by the threaded rod 4, pushing a color developing agent into a mixing chamber 9 by the piston 8, mixing the color developing agent with the digested water sample, and carrying out a complexing reaction to develop color;
and finally, opening the second electromagnetic valve 13 to enable the reacted solution to enter a heavy metal ion analyzer 14, obtaining absorbance, transmitting the absorbance to a data processing and analyzing module through a data acquisition module, and calculating the concentration of the heavy metal to be detected by the data processing and analyzing module.
Compared with the prior art, the utility model provides a multiple heavy metal element's real-time on-line measuring device in waste water has following beneficial effect:
the utility model provides a real-time on-line detection device for multiple heavy metal elements in wastewater, a support 3 is fixedly arranged in a mounting groove 2, a threaded rod 4 is rotatably arranged on the support 3, the threaded rod 4 penetrates through the support 3, a first bevel gear 5 is fixedly arranged at the top end of the threaded rod 4, a motor 6 is fixedly arranged on the support 3, a second bevel gear 7 is fixedly arranged on an output shaft of the motor 6, the second bevel gear 7 is meshed with the first bevel gear 5, a piston 8 is arranged on the threaded rod 4 in a threaded manner, the piston 8 is connected with the inner wall of the mounting groove 2 in a sliding sealing manner, a mixing chamber 9 is fixedly arranged at the bottom of a mounting block 1, the mixing chamber 9 is communicated with the mounting groove 2, and a color developing agent can be automatically injected into the mixing chamber, the sampling pipe 10 fixed mounting be in one side of mixing chamber 9, just the sampling pipe 10 with the mixing chamber 9 is linked together, 11 fixed mounting of first solenoid valve in on the sampling pipe 10, can the automatic control sample, connecting pipe 12 fixed mounting be in on the mixing chamber 9, just connecting pipe 12 is linked together with mixing chamber 9, fixed mounting has second solenoid valve 13 on the connecting pipe 12, the bottom fixed mounting of mixing chamber 9 has heavy metal ion analysis appearance 14, and heavy metal ion analysis appearance 14 is linked together with connecting pipe 12, fixed mounting has electric heating wire 15 in the mixing chamber 9, can detect automatically.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.