CN109738231A - Heavy metal in water sampling detecting device and application method - Google Patents

Heavy metal in water sampling detecting device and application method Download PDF

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Publication number
CN109738231A
CN109738231A CN201910151193.3A CN201910151193A CN109738231A CN 109738231 A CN109738231 A CN 109738231A CN 201910151193 A CN201910151193 A CN 201910151193A CN 109738231 A CN109738231 A CN 109738231A
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China
Prior art keywords
sampling
water
heavy metal
runner
lifting rope
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CN201910151193.3A
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CN109738231B (en
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谭秀慧
沈美芳
朱晓华
杨洪生
孟勇
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Freshwater Fisheries Research Institute of Jiangsu Province
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Freshwater Fisheries Research Institute of Jiangsu Province
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Abstract

The present invention relates to a kind of heavy metal in water sampling detecting devices, comprising: lifting rope, reel, connecting rod and sampling part;Described connecting rod one end is provided with reel, the reel is connected with lifting rope, described lifting rope one end is connected with sampling part, the sampling part includes shell, runner, water inlet and outlet pipe, the inside of shell is arranged in the runner, the water inlet and outlet pipe are arranged in shell two sides corresponding position, the runner is multi-layer fiber web frame, each layer web, which is interweaved by several warps with several wefts, to be formed, warp and weft, which are surrounded, is provided with adsorbent material in space, button controls spool turns, so as to adjust lifting rope length, judge that sampling part probes into the depth in water by lifting rope length, water pump control enters sampling part water and flow velocity, keep sampling sample more accurate, runner is taken out after sampling and is immersed in heavy metal analysis solution, carry out heavy metal precipitation extraction, it tests and analyzes, the invention further relates to heavy metal in water sampling detecting devices Application method.

Description

Heavy metal in water sampling detecting device and application method
Technical field
The present invention relates to sampling detecting device more particularly to heavy metal in water sampling detecting device and application methods.
Background technique
Industrial wastewater, sanitary sewage and other wastes enter the water bodys such as rivers,lakes and seas, are made more than water body self-purification ability At pollution, this will lead to the change of the physics, chemistry, biology of water body etc. feature, to influence the utility value of water, The phenomenon that being detrimental to health or destroy ecological environment, causing water quality deterioration, in terms of the environmental pollution described in heavy metal, it is practical On be primarily referred to as the metals such as mercury, cadmium, lead, chromium, arsenic or metalloid, also refer to the general heavy metal with certain toxicity, as copper, zinc, Nickel, cobalt, tin etc., the solid impurity in water body are the carrier and the feeding main source of aquatic organism of heavy metal accumulation, because The content of beary metal of solid impurity necessitates in this extraction and analysis water.
Traditional heavy metal in water sampling detecting device is inconvenient to carry, and figure is larger, needs to cooperate high-precision point Analyzer device is carried out using cumbersome, using trouble, traditional heavy metal sample detection is not to carry out water by multi-layered web The impurity absorption of heavy metal is rich in body, surrounding between warp and weft is not provided with adsorbent material in space, rich in a huge sum of money The impurity absorption effect of category is poor, the flow and flow velocity of the water across runner can be adjusted by water pump, to be difficult to in water Heavy metal carries out quantitative analysis, not very practical.
Summary of the invention
The present invention overcomes the deficiencies in the prior art, provide heavy metal in water sampling detecting device.
In order to achieve the above objectives, the technical solution adopted by the present invention are as follows: heavy metal in water sampling detecting device, comprising: hang Rope, reel, connecting rod and sampling part;Described connecting rod one end is provided with reel, is wound with lifting rope, the lifting rope one on the outside of the reel End is connected with sampling part, and the sampling part includes shell and runner, and the inside of shell is arranged in the runner;The runner can Rotation, the runner are multi-layer fiber web frame, and each layer web, which is interweaved by several warps with several wefts, to be formed;It is described Sampling part further includes water inlet and outlet pipe, and the water inlet is arranged on one end face of shell, and the outlet pipe setting exists On the shell other end, the water inlet is connected with water pump.
In a preferred embodiment of the present invention, the warp and weft, which are surrounded, is provided with adsorbent material in space.
In a preferred embodiment of the present invention, the runner is rotated by motor driven.
In a preferred embodiment of the present invention, described connecting rod one end is provided with button.
In a preferred embodiment of the present invention, the button can control reel rotation, enter in water so as to adjust lifting rope Depth.
In a preferred embodiment of the present invention, the sampling part bottom hung has clump weight.
In a preferred embodiment of the present invention, the web is stratum reticulare made of glass fibre, and the adsorption layer is to live Property charcoal or molecular screen material.
In a preferred embodiment of the present invention, the water inlet is sector structure or circular configuration.
The another technical solution that the present invention uses are as follows: the application method of a heavy metal species sampling detecting device, step It is as follows:
(1) sampling part is jettisoninged into water body, sampling part can be driven tenesmus by the gravity of clump weight, can by button Lifting rope length is adjusted, to control the depth that sampling part probes into water;
(2) water is pumped into inside sampling part by water pump by water inlet, after water passes through multi-layered web, web warp and latitude The solid impurity that the adsorbent material of line surrounded in space can will be enriched in heavy metal is adsorbed on web;
(3) runner rotates in the housing, can control the water and flow velocity for entering sampling part, by water pump so as to fixed Content of beary metal in the analysis sample of amount, improves sampling part sampling precision;
(4) after heavy metal in water sampling, by shortening lifting rope length, sampling part is lifted from water, then by multilayer fibre Dimension net takes out the heavy metal precipitation for being put into and being carried out in solid impurity in detection solution and extracts, and is then tested and analyzed;
(5) after testing and analyzing to the impurity for being rich in heavy metal in water body, entire sewage is carried out by sample estimation algorithm Content of beary metal in pond or river carries out big data analysis, and then realizes this detection and analysis of bulk sample.
In a preferred embodiment of the present invention, sampling part speed is 0.2-2 rpms in step (3).
In a preferred embodiment of the present invention, detection solution is the lead solution that concentration is 10 micrograms per millilitres in step (4).
The invention solves the defect existing in the background technology, the present invention have it is following the utility model has the advantages that
(1) sampling part is directly jettisoninged into water, the clump weight by sampling part bottom can prevent the buoyancy of water from causing Sampling part is difficult to, and sampling effect is preferable, reel rotation can be controlled by button, so as to adjust the lifting rope wound on reel Length, and then control sampling part and probe into the depth in water, sampling precision is higher.
(2) sampling part uses multi-layer fiber web frame, and web is interweaved by several warp and weft to be formed, warp and latitude Line, which surrounds, adsorbent material in space, can be improved the adsorption effect for the solid impurity for being rich in heavy metal in water body, thus Improve sampling precision.
(3) the intracorporal runner of shell can be taken out after sampling, web is immersed in detection solution, it is then molten by detecting The solid impurity Precipitation rich in heavy metal that liquid will adsorb on web, to be tested and analyzed, detection effect is preferable.
(4) after analyzing the solid impurity rich in heavy metal adsorbed on web, by sample estimation algorithm to whole A cesspool or river carry out content of beary metal big data analysis, and then realize this detection and analysis of the bulk sample of content of beary metal, essence Degree is higher, and workload is lower.
(5) flow and flow velocity of the water across runner can be adjusted by water pump, to quantify to heavy metal in water Analysis, improves the value that can refer to of sample, and for runner in slow rotary course, water pump constantly passes through the fibre for pumping and running through runner Dimension net and adsorbent material, each unit time runner just rotate through a covering of the fan area, each fan in water inlet corresponding position The time that the corresponding web in face and adsorbent material turn over water inlet can complete the absorption to solid impurity in water, each in this way The adsorption process of covering of the fan is dynamic process, and guarantees that absorption is not easily accessible to the saturation adsorption-like of web and adsorbent material State, in addition it can guarantee the uniformity of web and adsorbent material adsorbent solid impurity in entire runner.
(6) multi-layered web is intercepted by physics the solid impurity of bulky grain intercepting attachment, the internal activity being arranged Charcoal or molecular screen material are adsorbed for smaller particle object, and in addition the web longitude and latitude line density ecto-entad of multilayer gradually increases Add, can guarantee the adsorbent solid impurity step by step of ecto-entad, granular adsorbent material can also be wrapped up inside it Become complete absorption system.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the partial structural diagram of the preferred embodiment of the present invention;
Fig. 2 is the rotaring wheel structure schematic diagram of the preferred embodiment of the present invention;
Fig. 3 is the sampling part schematic diagram of internal structure of the preferred embodiment of the present invention;
Fig. 4 is the water inlet structure schematic diagram of another embodiment of the present invention;
In figure:
1, connecting rod, 2, button, 3, water inlet, 4, shell, 5, reel, 6, lifting rope, 7, clump weight, 8, runner, 9, shaft.
Specific embodiment
Presently in connection with drawings and examples, the present invention is described in further detail, these attached drawings are simplified signal Figure, the basic structure of the invention will be illustrated schematically only, therefore it only shows the composition relevant to the invention.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, heavy metal in water sampling detecting device, comprising: lifting rope 6, reel 5, connecting rod 1 With sampling part;Described 1 one end of connecting rod is provided with reel 5, and lifting rope 6,6 one end of lifting rope connection are wound on the outside of the reel 5 There is sampling part, the sampling part includes shell 4 and runner 8, and the inside of shell 4 is arranged in the runner 8;The runner 8 can Rotation, the runner 8 are multi-layer fiber web frame, and each layer web, which is interweaved by several warps with several wefts, to be formed, warp Line and weft, which surround, is provided with adsorbent material in space, being capable of the solid impurity rich in heavy metal in adsorbed water body.
In a preferred embodiment of the present invention, the sampling part further includes water inlet 3 and outlet pipe, and the water inlet 3 is set It sets in the 4 side external wall of upper portion of shell, the outlet pipe is arranged in another side lower part outer wall of the shell 4, the water inlet Mouth 3 is circular configuration, and the water inlet 3 is connected with water pump, and described 1 one end of connecting rod is provided with button 2, and sampling part is fine using multilayer Web frame is tieed up, web is interweaved by several warp and weft to be formed, and warp and weft, which are surrounded, adsorbent material in space, absorption Material is sepiolite, sepiolite is a natural fiber shape Mg-bearing water and closes silicate clay, in waste water rich in heavy metal Impurity is adsorbed, and is directed to the adsorption effect containing heavy metal solid impurity so as to improve, is improved sampling precision.
In a preferred embodiment of the present invention, the water inlet 3 is sector structure, and water inlet is that sector can be improved water body Contact area when into runner, so that the solid impurity improved in water body rich in heavy metal is adsorbed on runner, runner rotation The radian once rotated in the process is identical as the radian of water inlet, during carrying out runner rotation, can make entire runner The solid impurity rich in heavy metal of upper absorption is relatively uniform, improves the adsorption effect of runner, and the button 2 can control Reel 5 rotates, and in the rotary course of reel, is able to drive lifting rope tightening or lengthens, enter the depth in water so as to adjust lifting rope 6 Degree, the sampling part bottom hung have clump weight 7, and the weight of clump weight can pull in sampling part in water body, prevent sampling part It swims on water body, influences to sample effect, clump weight selection uses the glass or ceramics that will not be corroded by heavy metal.
Specifically, the principal element for determining pollutant toxicity power is its physical property, content and existing forms, such as Chromium has three kinds of divalent, trivalent and sexavalence forms, and wherein the toxicity of Cr VI is very strong, and trivalent chromium is the important of human metabolism One of element generates the range of toxicity about between 1-10mg/L in heavy metal general in natural water body, and mercury, cadmium etc. generates The range of toxicity heavy metal between 0.001-0.01mg/L will cause the serious dirt of water resource and air with the flowing of dampening Dye, causes very major injury to human body, and the heavy metal in water sampler in through the invention carries out the solid rich in heavy metal Multi-layered web is removed after sampling and is impregnated in heavy metal analysis solution by the sampling of impurity, miscellaneous to the solid rich in heavy metal Matter is analyzed, then can be to the difference of the different content of beary metal in different rivers, the different purified treatment of flexible choice Mode directly jettisonings sampling part into water, and the clump weight 7 by sampling part bottom can prevent the buoyancy of water from causing sampling part It is difficult to, sampling effect is preferable, can control reel 5 by button 2 and rotate, long so as to adjust the lifting rope 6 wound on reel 5 Degree, and then control sampling part and probe into the depth in water, sampling precision is higher, the runner 8 in shell 4 can be taken out after sampling, Web is immersed in detection solution, then the solid impurity rich in heavy metal adsorbed on web is sunk by detecting solution Precipitation goes out, to be tested and analyzed, detection effect is preferable, and multi-layered web is intercepted by physics by the solid impurity of bulky grain Attachment is intercepted, the internal active carbon being arranged or molecular screen material are adsorbed for smaller particle object, in addition the fiber of multilayer Net longitude and latitude line density ecto-entad gradually increases, and can guarantee the adsorbent solid impurity step by step of ecto-entad, can also general Granular adsorbent material package becomes complete absorption system inside it.
After analyzing the solid impurity rich in heavy metal adsorbed on web, by sample estimation algorithm to entire dirt Pond or river carry out the big data analysis of content of beary metal, and then realize this detection and analysis of the bulk sample of content of beary metal, precision Higher, workload is lower, and the flow and flow velocity of the water across runner 8 can be adjusted by water pump, and runner 8 passes through 9 activity of shaft It is connected to the inside of shell 4, to carry out quantitative analysis to content of beary metal in water, that improves sample can refer to value.
Runner is in slow rotary course, and water pump constantly passes through the web and adsorbent material for pumping and running through runner, often A unit time runner just rotates through a covering of the fan area in water inlet corresponding position, the corresponding web of each covering of the fan and suction The time that enclosure material turns over water inlet can complete the absorption to solid impurity in water, and the adsorption process of covering of the fan each in this way is Dynamic process, and guarantee that absorption is not easily accessible to the saturation adsorbed state of web and adsorbent material, it is whole in addition it can guarantee The uniformity of web and adsorbent material adsorbent solid impurity in a runner.
The another technical solution that the present invention uses are as follows: the application method of a heavy metal species sampling detecting device, step It is as follows:
(1) sampling part is jettisoninged into water body, sampling part can be driven tenesmus by the gravity of clump weight 7, pass through 2 energy of button 6 length of lifting rope is enough adjusted, to control the depth that sampling part probes into water;
(2) water pump by water inlet 3 by water be pumped into sampling part inside, water pass through multi-layered web after, web warp with The adsorbent material of weft surrounded in space can be by heavy metal ion adsorbed on web;
(3) runner 8 rotates in shell 4, and the water and flow velocity for entering sampling part can be controlled by water pump, so as to Heavy metal in quantitative analysis sample, improves sampling part sampling precision;
(4) after heavy metal in water sampling, by shortening 6 length of lifting rope, sampling part is lifted from water, then by multilayer fibre Dimension net, which takes out to be put into detection solution, carries out precipitating extraction to the impurity for being rich in heavy metal in water body, is then tested and analyzed;
(5) after testing and analyzing to heavy metal in water solid impurity, entire cesspool or river are carried out by sample estimation algorithm Interior heavy metal carries out big data analysis, and then realizes this detection and analysis of bulk sample.
Sampling part speed is 0.2-2 rpms in step (3), and it is 10 micro- that detection solution, which is concentration, in step (4) Gram every milliliter of lead solution.
After being sampled to multi-layered web to the solid impurity rich in heavy metal in step (5), multi-layered web is removed, so The heavy metal solid impurity on 1-3 millimeters of web of surface layer or subsurface stratum is removed with plastic knife afterwards, every layer takes 3-4 parts of analyses Sample, for sampling amount depending on the research project for different heavy metal solid impurities, the sample after sampling is quickly charged with beaker In, sample is placed on clean polyethylene board, proposes the gravel in solid impurity, agate alms bowl is then added in beaker, in ball It is ground on grinding machine, the sample after grinding is mixed well, quartering division point takes 10-20 grams of sample to be put into sample sack, is sent into real It tests room and carries out analysis measurement, use different analysis methods for different heavy metal solid impurities, such as make for total mercury analysis It is analyzed with atomic fluorescence method, sample is placed in boiling water bath and digests in nitric acid-hydrochloric acid system, and mercury is with the entrance of ionic condition full dose Solution, effects of ion state mercury are changed into mercuryvapour, so that atom mercuryvapour is entered atomic fluorescence spectrophotometer by carrier gas of hydrogen In atomizer, using extraordinary mercury hollow cathode lamp as excitation light source, mercury ion fluorescent intensity is measured, to the same district whole river Zhong Bu Domain, different depth sample analysis after, according to sample analysis as a result, estimate in entire river using estimation algorithm Total mercury content.
Based on the above description of the preferred embodiments of the present invention, through the above description, related personnel completely can be with Without departing from the scope of the technological thought of the present invention', various changes and amendments are carried out.The technical scope of this invention It is not limited to the contents of the specification, it is necessary to determine the technical scope according to the scope of the claims.

Claims (10)

1. heavy metal in water sampling detecting device, comprising: lifting rope, reel, connecting rod and sampling part;It is characterized in that,
Described connecting rod one end is provided with reel, is wound with lifting rope on the outside of the reel, described lifting rope one end is connected with sampling part, institute Stating sampling part includes shell and runner, and the inside of shell is arranged in the runner;
The runner can rotate, and the runner is multi-layer fiber web frame, and each layer web is by several warps and several Weft interweaves with being formed;
The sampling part further includes water inlet and outlet pipe, and the water inlet is arranged on one end face of shell, the water outlet Pipe is arranged on the shell other end, and the water inlet is connected with water pump.
2. heavy metal in water sampling detecting device according to claim 1, it is characterised in that: the warp and weft are surrounded Adsorbent material is provided in space.
3. heavy metal in water sampling detecting device according to claim 2, it is characterised in that: the runner is driven by motor Dynamic rotation.
4. heavy metal in water sampling detecting device according to claim 1, it is characterised in that: described connecting rod one end is provided with Button.
5. heavy metal in water sampling detecting device according to claim 4, it is characterised in that: the button can control volume Cylinder rotation, the depth in water is entered so as to adjust lifting rope.
6. according to claim 1 to heavy metal in water sampling detecting device described in any claim in 5, it is characterised in that: The sampling part bottom hung has clump weight.
7. heavy metal in water sampling detecting device according to claim 2, it is characterised in that: the web is glass fibers Stratum reticulare made of tieing up, the adsorption layer are active carbon or molecular screen material.
8. a kind of application method of heavy metal sampling detecting device as described in claim 1, it is characterised in that: steps are as follows:
(1) sampling part is jettisoninged into water body, sampling part can be driven tenesmus by the gravity of clump weight, can be adjusted by button Lifting rope length, to control the depth that sampling part probes into water;
(2) water is pumped into inside sampling part by water pump by water inlet, after water passes through multi-layered web, web warp and weft The solid impurity that the adsorbent material surrounded in space can will be enriched in heavy metal is adsorbed on web;
(3) runner rotates in the housing, can control the water and flow velocity for entering sampling part, by water pump so as to quantitative The heavy metal in the solid impurity in sample is analyzed, sampling part sampling precision is improved;
(4) after the impurity in water body rich in heavy metal is sampled, by shortening lifting rope length, sampling part is lifted from water, Then by multi-layered web take out be put into detection solution in in water body be rich in heavy metal impurity carry out precipitating extraction, then into Row tests and analyzes;
(5) after to the defects inspecting analysis of heavy metal is rich in water body, entire cesspool or river are carried out by sample estimation algorithm Interior heavy metal carries out big data analysis, and then realizes this detection and analysis of bulk sample.
9. a kind of application method according to claim 8, it is characterised in that: sampling part speed is in step (3) 0.2-2 rpms.
10. a kind of application method according to claim 8 or claim 9, it is characterised in that: detection solution is concentration in step (4) For the lead solution of 10 micrograms per millilitres.
CN201910151193.3A 2019-02-28 2019-02-28 Water body heavy metal sampling and detecting device and using method Active CN109738231B (en)

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