CN109297769B - Device for collecting emerging marine pollutants - Google Patents
Device for collecting emerging marine pollutants Download PDFInfo
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- CN109297769B CN109297769B CN201811368863.9A CN201811368863A CN109297769B CN 109297769 B CN109297769 B CN 109297769B CN 201811368863 A CN201811368863 A CN 201811368863A CN 109297769 B CN109297769 B CN 109297769B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/20—Devices for withdrawing samples in the liquid or fluent state for flowing or falling materials
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N2001/1031—Sampling from special places
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Abstract
The invention relates to the field of seawater detection equipment, in particular to a device for collecting emerging marine pollutants. The collecting box is provided with a water gap, a valve, a vertical water guide pipe communicated with the interior of the collecting box, the upper end of the vertical water guide pipe extends out of the water surface, and the vertical water guide pipe is arranged on the floating seat in a sliding manner; still include the sampling mechanism, the sampling mechanism includes the sampling tube and can be in vertical aqueduct gliding lifter from top to bottom, and the sampling tube is established on the lateral wall of vertical aqueduct, and the lower extreme of lifter is equipped with leads the mouth of a river, and the sampling tube passes through hose and water guide mouth intercommunication, and the sampling tube lies in the part that stretches out the surface of water on the vertical aqueduct. The invention has the beneficial effects that: the comprehensive consideration of samples in the range of the target area can be collected, seawater samples under different storms can be obtained, and the accuracy is high.
Description
Technical Field
The invention relates to the field of seawater detection equipment, in particular to a device for collecting emerging marine pollutants.
Background
Marine aquaculture is an important way to solve the sharp contradiction between the increasing demand of human beings on aquatic products and the depletion of marine biological resources. However, the deterioration of marine ecology directly affects the development of aquaculture industry and raises the problem of food safety of aquatic products. Especially emerging pollutants discovered in recent years, such as endocrine disruptors, polycyclic aromatic hydrocarbon substances and the like, have negative effects on the ecological environment and marine organisms and directly threaten the sustainable utilization of marine fishery resources, and a corresponding collection device is required to collect seawater in a culture area for research and analysis.
Chinese patent is granted No. CN 206270103U, is the grant announcement day 2017.06.20, and the name is "sea water collection system for ocean science research", discloses a sea water collection system for ocean science research, including stay cord, pouring weight, box, rotatory scraper blade, filter screen, link, cylinder, drive fish ware, splint and connecting block, box internally mounted has the filter screen, and rotatory scraper blade is installed to the filter screen lower extreme, and rotatory scraper blade sets up inside the box, and the stay cord symmetry is fixed at the box lower extreme, and the welding has the pouring weight under the stay cord. However, the mobility of seawater is very high due to the influence of airflow, and at this time, the accuracy of data is ensured by comprehensively considering the seawater samples in one region, the acquisition device needs to be frequently thrown in, and the acquisition device can only acquire samples at fixed points, so that the accuracy is not high.
Disclosure of Invention
The invention aims to overcome the defects that the sample collected by a collecting device in the prior art can not consider the influence of seawater fluidity on pollutants, the collecting device needs to be frequently thrown in and only can collect the sample of a fixed point, and the accuracy is low, and provides a device which can collect the comprehensive consideration of the sample in a target area range, can obtain seawater samples under different storms, and can collect new ocean pollutants with high accuracy.
In order to achieve the purpose, the invention adopts the following technical scheme:
a device for collecting emerging marine pollutants comprises a pull rope, a collection box floating under the water surface and a floating seat floating on the water surface, wherein the pull rope is fixed on the seabed, the upper end of the pull rope is fixed at the lower end of the collection box, a water gap is formed in the collection box, a valve is arranged on the water gap, a vertical water guide pipe communicated with the interior of the collection box is arranged on the collection box, the upper end of the vertical water guide pipe extends out of the water surface, and the vertical water guide pipe is arranged on the floating seat in a sliding manner; still include the sampling mechanism, the sampling mechanism includes the sampling tube and can be in vertical aqueduct gliding lifter from top to bottom, and the sampling tube is established on the lateral wall of vertical aqueduct, and the lower extreme of lifter is equipped with leads the mouth of a river, and the sampling tube passes through hose and water guide mouth intercommunication, and the sampling tube lies in the part that stretches out the surface of water on the vertical aqueduct.
The sampling box is fixed on the seabed of a target area by the pull rope, the density of the sampling box is smaller than that of seawater, so that the sampling box can float in water, the valve is opened, the seawater enters the sampling box from the water and further enters the vertical water guide pipe, when wind waves exist, the floating seat moves along with the wind waves, the pull rope inclines, the height of the vertical guide pipe is reduced until the sampling pipe is immersed in the water, the seawater enters the sampling pipe from the water guide port in the vertical water guide pipe through the hose, and the position of the floating seat changes along with the change of the wind direction, so that the sampling pipe can comprehensively consider samples in the range of the target area, and the accuracy is higher; the height of the water guide opening is adjusted by the lifting rod according to the size of the wind waves, the height of the water guide opening is increased when the wind waves are large, the height of the water guide opening is decreased when the wind waves are small, and seawater samples under different wind waves can be obtained; in addition, the existing sampling device needs to be placed into the sea and needs to be frequently positioned during sampling, the existing sampling device needs to be taken out of the sea during analysis, the whole process needs to be frequently put in, and is too cumbersome, and particularly difficult to operate when the stormy waves are large.
Preferably, the water guide opening is in a horn shape, the large-diameter end of the water guide opening faces downwards, a water through hole is formed in the side wall of the water guide opening, and one end of the hose is arranged on the water through hole.
Preferably, the vertical water guide pipe is provided with a mounting hole, the sampling pipe is arranged at the mounting hole through a sealing ring, and the other end of the hose is arranged on the mounting hole. Preventing the intrusion of external seawater.
Preferably, the upper end of the vertical water guide pipe is provided with a protruding support column, and an umbrella-shaped rain blocking cover is fixed on the support column. The rain-proof cover prevents rainwater from entering the sampling tube and influencing the components of the sample.
Preferably, the upper end of the vertical water guide pipe is higher than the lower end of the rain cover. The rain cover surrounds the upper end of the vertical water guide pipe, the rain shielding effect is enhanced, the protective effect is also achieved on the stormy waves on the sea surface, and the accuracy of the collected samples is guaranteed.
Preferably, the collection box is funnel-shaped, the water gap is formed in the side wall of the collection box, and seawater obliquely upwards enters the collection box through the water gap. The collection box is hopper-shaped and is favorable to its self stability, and the arrangement mode at mouth of a river makes ascending rivers in the collection box for the sea water is changeed and is entered into in the sampling tube.
Preferably, the lower end of the collecting box is provided with a weight, and the weight of the weight is larger than that of the collecting box. Further promote the stability of collection box, prevent that the collection box from excessively inclining.
The invention has the beneficial effects that: (1) when wind waves exist, the floating seat moves along with the wind waves, the pull rope inclines, the height of the vertical guide pipe is reduced, the sampling pipe is immersed in water, seawater enters the sampling pipe from the vertical water guide pipe, and the position of the floating seat changes along with the change of the wind direction, so that the sampling pipe can collect comprehensive consideration of samples in a target area range, and the accuracy is higher; (2) the height of the water guide opening is adjusted by the lifting rod according to the size of the wind waves, the height of the water guide opening is increased when the wind waves are large, and the height of the water guide opening is decreased when the wind waves are small, so that seawater samples in target areas under different wind waves are obtained; (3) the existing sampling device needs to be placed into the sea and needs to be frequently positioned during sampling, the existing sampling device needs to be taken out of the sea during analysis, the whole process needs to be frequently put in, the existing sampling device is too complicated, and the existing sampling device is particularly difficult to operate when stormy waves are large.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the present invention at the point of the collection box;
fig. 3 is a schematic view of the structure of the sampling mechanism of the present invention.
In the figure: the device comprises a pull rope 1, a collection box 2, a water gap 21, a weight 22, a floating seat 3, a vertical water guide pipe 4, a support column 41, a rain blocking cover 42, a sampling pipe 5, a sealing ring 51, a lifting rod 6, a water guide port 7, a water through hole 71 and a hose 8.
Detailed Description
The invention is further described with reference to the following figures and specific embodiments.
As shown in fig. 1 to 3, the device for collecting emerging marine pollutants comprises a pull rope 1, a collection box 2 floating under the water surface and a floating seat 3 floating on the water surface, wherein the pull rope is fixed on the seabed, the upper end of the pull rope is fixed at the lower end of the collection box, a water gap 21 is arranged on the collection box, a valve is arranged on the water gap, a vertical water guide pipe 4 communicated with the interior of the collection box is arranged on the collection box, the upper end of the vertical water guide pipe extends out of the water surface, and the vertical water guide pipe is arranged on the floating seat in a sliding manner; still include sampling mechanism, sampling mechanism includes sampling tube 5 and can be in vertical aqueduct gliding lifter 6 from top to bottom, and the sampling tube is established on the lateral wall of vertical aqueduct, and the lower extreme of lifter is equipped with water guide opening 7, and the sampling tube passes through hose 8 and water guide opening intercommunication, and the sampling tube lies in the part that stretches out the surface of water on the vertical aqueduct.
Specifically, the water guide port is in a horn shape, the large-diameter end of the water guide port faces downwards, a water through hole 71 is formed in the side wall of the water guide port, and one end of the hose is arranged on the water through hole. Be equipped with the mounting hole on the vertical aqueduct, the sampling tube passes through sealing washer 51 and sets up in mounting hole department, prevents that outside sea water from invading, and the other end setting of hose is on the mounting hole.
Specifically, the upper end of the vertical water conduit is provided with a protruding support column 41, an umbrella-shaped rain cover 42 is fixed on the support column, and the rain cover prevents rainwater from entering the sampling tube and affecting the components of the sample. The upper end of the vertical water guide pipe is higher than the lower end of the rain cover. The rain cover surrounds the upper end of the vertical water guide pipe, the rain shielding effect is enhanced, the protective effect is also provided for the stormy waves on the sea surface, the accuracy of the collected sample is ensured, and in addition, the effect of limiting the upper end of the vertical water guide pipe from being separated from the floating seat can be achieved due to the fact that the outer diameter of the rain cover is large.
Specifically, the collection box is funnel-shaped, the water gap is formed in the side wall of the collection box, and seawater obliquely upwards enters the collection box through the water gap. The collection box is hopper-shaped and is favorable to its self stability, and the arrangement mode at mouth of a river makes ascending rivers in the collection box for the sea water is changeed and is entered into in the sampling tube.
Specifically, the lower end of the pick box is provided with a weight 22, the weight being greater than the weight of the pick box. Further promote the stability of collection box, prevent that the collection box from excessively inclining.
When the sampling device is used, the sampling box is fixed on the seabed of a target area by the pull rope, the density of the sampling box is smaller than that of seawater, so that the sampling box can float in water, the valve is opened, the seawater enters the sampling box from the water and further enters the vertical water guide pipe, when wind waves exist, the floating seat moves along with the wind waves, the pull rope inclines, the height of the vertical guide pipe descends, the sampling pipe is immersed in the water, the seawater enters the sampling pipe from the vertical water guide pipe, and the position of the floating seat changes along with the change of the wind direction, so that the sampling pipe can comprehensively consider samples in the range of the target area; the stormy waves are big more, and the sampling tube sinks more, adjusts the height of leading the mouth of a river this moment, and when the water level in vertical aqueduct reachd the mouth of a river of leading, the size of stormy waves can form corresponding relation with the height of leading the mouth of a river promptly, and the sampling tube just can begin to take a sample, adjusts the height of leading the mouth of a river through the lifter according to the size of stormy waves, and the stormy waves is big, just increases the height of leading the mouth of a river, and the stormy waves is little, just reduces the height of leading the mouth of. The invention has the advantages that: the sampling tube can collect the comprehensive consideration of samples in the target area range, can obtain the seawater samples under different storms, has higher accuracy, only needs to be installed once, and only needs to take down the sampling tube on the sea surface during subsequent analysis, thereby being convenient for operation.
Claims (7)
1. A device for collecting emerging marine pollutants is characterized by comprising
The collecting box is provided with a valve, the collecting box is provided with a vertical water guide pipe communicated with the inside of the collecting box, the upper end of the vertical water guide pipe extends out of the water surface, and the vertical water guide pipe is arranged on the floating seat in a sliding manner;
still include the sampling mechanism, the sampling mechanism includes the sampling tube and can be in vertical aqueduct gliding lifter from top to bottom, and the sampling tube is established on the lateral wall of vertical aqueduct, and the lower extreme of lifter is equipped with leads the mouth of a river, and the sampling tube passes through hose and water guide mouth intercommunication, and the sampling tube lies in the part that stretches out the surface of water on the vertical aqueduct.
2. The device for collecting emerging marine pollutants as claimed in claim 1, wherein the water guide port is trumpet-shaped, the large diameter end of the water guide port faces downwards, a water through hole is formed in the side wall of the water guide port, and one end of the hose is arranged on the water through hole.
3. The device for collecting emerging marine pollutants as claimed in claim 2, wherein the vertical aqueduct is provided with a mounting hole, the sampling tube is arranged at the mounting hole through a sealing ring, and the other end of the hose is arranged on the mounting hole.
4. The device for collecting emerging marine pollutants as claimed in claim 1, wherein the upper end of said vertical conduit is provided with a protruding support post, on which an umbrella-shaped rain cover is fixed.
5. An apparatus for the collection of emerging marine pollutants as claimed in claim 4, wherein the upper end of said vertical aqueduct is higher than the lower end of said rain shield.
6. An apparatus as claimed in claim 1 or claim 2, wherein said collection box is funnel shaped, the water port is located on the side wall of the collection box, and the seawater enters the collection box through the water port in an inclined upward direction.
7. The apparatus of claim 6, wherein the lower end of the collection box is provided with a weight, the weight having a weight greater than the weight of the collection box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811368863.9A CN109297769B (en) | 2018-11-16 | 2018-11-16 | Device for collecting emerging marine pollutants |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811368863.9A CN109297769B (en) | 2018-11-16 | 2018-11-16 | Device for collecting emerging marine pollutants |
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| CN109297769A CN109297769A (en) | 2019-02-01 |
| CN109297769B true CN109297769B (en) | 2020-10-23 |
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| CN110231196B (en) * | 2019-07-15 | 2021-07-13 | 浙江海洋大学 | Sample collection system for surveying |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2699275Y (en) * | 2004-04-23 | 2005-05-11 | 中华人民共和国北仑出入境检验检疫局 | Liquid sampling bucket |
| KR100830242B1 (en) * | 2007-03-07 | 2008-05-16 | 주식회사 엠비에스엔지니어링 | A picking apparatus for testing water using self-buoyancy the surface |
| CN202330069U (en) * | 2011-12-01 | 2012-07-11 | 镇江市环境监测中心站 | Water quality sampler with positioning structure |
| CN102901652B (en) * | 2012-10-15 | 2014-07-16 | 西安建筑科技大学 | Device for gathering algae moving vertically in reservoir |
| CN205449557U (en) * | 2016-03-01 | 2016-08-10 | 张延龙 | Water sample collection system |
| CN205861385U (en) * | 2016-08-08 | 2017-01-04 | 钱首昂 | Environmental project water sampling apparatus for demonstrating |
| CN205991898U (en) * | 2016-08-29 | 2017-03-01 | 金川集团股份有限公司 | A kind of liquid material sampling apparatuses |
| CN206270103U (en) * | 2016-11-15 | 2017-06-20 | 天津慧康溢德科技发展有限公司 | A kind of scientific research of seas seawater harvester |
| CN106841550B (en) * | 2016-12-13 | 2018-11-02 | 浙江海洋大学 | Marine pollutant monitering buoy and control method |
| CN108414278A (en) * | 2017-12-07 | 2018-08-17 | 张荷友 | A kind of adjustable water quality monitoring device for fetching water of depth |
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