CN209486089U - A kind of integrated water mercury pretreatment unit - Google Patents
A kind of integrated water mercury pretreatment unit Download PDFInfo
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- CN209486089U CN209486089U CN201821859351.8U CN201821859351U CN209486089U CN 209486089 U CN209486089 U CN 209486089U CN 201821859351 U CN201821859351 U CN 201821859351U CN 209486089 U CN209486089 U CN 209486089U
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Abstract
The utility model relates to a kind of integrated water mercury pretreatment units, including cabinet, generator, movable support and air path controlling mechanism, generator includes the first reaction tube and the second reaction tube and is fixed on movable support, the air inlet of first reaction tube, gas outlet are connected with the air inlet of air path controlling mechanism, the second reaction tube respectively, and the gas outlet of the second reaction tube is connected with mercury vapourmeter.When use, open cabinet, movable support is pulled open to support two reaction tubes, reducing agent and water sample to be measured are added in first reaction tube, screening agent is added in second reaction tube, air path controlling mechanism adjusts atmospheric carrier air flow, and the bicycle pump restored in water sample enters the second reaction tube, sour gas is removed by screening agent, last bicycle pump flows into mercury vapourmeter.Generator and air path controlling mechanism are integrated in a cabinet by the utility model, reduce volume, are installed and easy to carry, and water mercury pre-processes high reliablity, improve the accuracy of water mercury detection.
Description
Technical field
The utility model relates to Analysis of Heavy Metal detection field more particularly to a kind of integrated water mercury pretreatment unit and its
Preprocess method is used cooperatively with water mercury analyzer, bicycle pump instrument, for measuring the total mercury concentration in water, can be applied to pollution inspection
Survey, food safety detection and seismic monitoring.
Background technique
Mercury and mercuric compounds are common typical pollution elements, have the characteristics that severe toxicity, height are accumulated, are easy to migrate, in nature
Widely distributed in boundary, about 80% is water body on the earth, therefore the mercury in water body is the main source that mercury is stored on the earth.In water body
The source of mercury be it is various, a part is derived from atmosphere dried wet deposition, and another part is then caused by human activity, such as by
Waste chemicals, drug, battery and traditional mercurial thermometer be introduced into the sewage and waste water of industrial discharge, pesticide in agricultural production
Use etc..In recent decades, repeatedly great mercury pollution and mercury poisoning event has occurred in the world, therefore, by mercury and its
Problem of environmental pollution caused by compound, has become and endangers one of important public hazards of human survival.With whole world mercury pollution
It gets worse, different types of mercury detection method is increasingly becoming research hotspot.
Mercury vapourmeter is quickly grown nearly ten years, but it is usually to fill by sample pre-treatments that the mercury in water body, which is tested and analyzed,
It sets and combines mercury analyzer progress.The principle of water mercury analysis is usually to carry out chemical pretreatment to water sample to be measured, and use is excessive
Stannous chloride is sufficiently reacted with mercury chloride main in water sample, is generated mercury vapour, is utilized atomic absorption method, atomic fluorescence method
Or thin film testing method measures mercury vapour concentration.No matter which kind of method, existing water mercury apparatus for pre-analysis treatment shape is heavy, when use
Need a biggish gas actuating device be used in combination, and the generator of reduction reaction occur etc. other ancillary equipments need it is existing
Field assembling is fixed, and air circuit connection is complicated, and cumbersome, heavy workload is inconvenient for use, and movement is constant, and is easily lost article and leads
Cause loss and waste.
Summary of the invention
In order to solve the above-mentioned technical problem the utility model, provides a kind of integrated water mercury pretreatment unit and its pretreatment
Method, quick for installation, easy to use and carry, water mercury pre-processes good reliability, is conducive to the accurate detection to water mercury.
Above technical problems of the utility model are mainly solved by the following technical scheme: the utility model
A kind of integrated water mercury pretreatment unit, generator, movable support and air path controlling mechanism including cabinet and in cabinet,
Generator is fixed on movable support, and generator is connected by pipeline with air path controlling mechanism.Generator is used for water sample to be measured
It is pre-processed.Foldable shrink of movable support simultaneously drives generator to be put into cabinet, can also be unfolded to stretch out in being used for outside cabinet
Generator is supported to carry out water sample pretreatment.Air path controlling mechanism pre-process and enter surveying for transmitting carrier gas and under test gas
Mercury instrument is detected.One cabinet of the technical program can accommodate entire pre-processing device, easy to carry, and when use only
Movable support is pulled out, other support equipments are not necessarily to, it is quick for installation, easy to use, the detection of water mercury is carried out convenient for scene.
Preferably, the generator includes the first reaction tube and the second reaction tube, the air inlet of the first reaction tube is logical
Pipeline to be crossed to be connected with air path controlling mechanism, the gas outlet of the first reaction tube is connected by the air inlet of pipeline and the second reaction tube,
The gas outlet of second reaction tube is connected by pipeline with mercury vapourmeter.In use, opening cabinet, movable support is pulled open, movable branch is made
Frame supports two reaction tubes to be in plumbness.Reducing agent and water sample to be measured are added in first reaction tube, adds in the second reaction tube
Enter screening agent, turn on the power switch, air path controlling mechanism adjusts atmospheric carrier air flow according to mercury vapourmeter demand, and atmospheric carrier air enters
The air inlet of first reaction tube, promotes water sample that redox reaction occurs, and the bicycle pump restored in water sample enters with atmospheric carrier air
The air inlet of second reaction tube, by the sour gas in the screening agent removal gas in the second reaction tube, last bicycle pump is with air
Carrier gas flows into mercury vapourmeter.Stannous chloride solution can be used in reducing agent, and sodium hydroxide solution can be used in screening agent.Ensure that water mercury is located in advance
Good reliability is managed, the detection of water mercury is more accurate.
Preferably, first reaction tube includes outer tube and the inner tube in outer tube, upper end, the lower end point of outer tube
Not Wei inlet and outlet, water inlet is plugged with sample introduction lid, and sample introduction is covered with the air inlet through sample introduction lid, the side of outer tube shoulder
Wall is equipped with gas outlet, and inner tube is thinner, and inner tube has bottom, and bottom of inner tube is evenly distributed with multiple apertures, and the bottom of inner tube is stretched
Enter the lower end to outer tube, the upper end opening of inner tube, upper end of inner tube is located at the top of the gas outlet, the opening's edge of upper end of inner tube and
It is closed between outer tube wall with sealing element, so that can only be reached in inner tube from the liquid that water inlet is added.Second reaction tube and
The structure of one reaction tube is identical.First reaction tube, to bottom of inner tube, then the water inlet of outer tube is for being added water sample and reducing agent
Sample introduction lid is covered, is passed through atmospheric carrier air from air inlet, liquid abundant fast reaction under the effect of carrier gas bubbling of bottom of inner tube produces
Raw bicycle pump flows in the cavity between inner and outer tubes through the aperture of bottom of inner tube, then is flowed by the gas outlet of the first reaction tube
The air inlet of second reaction tube.Second reaction tube, the water inlet of outer tube for screening agent to be added to bottom of inner tube, then cover into
Sample lid, the mercury vapour that the first reaction tube generates flow into the air inlet of the second reaction tube, remove the sour gas in gas by screening agent,
Last bicycle pump flows out the gas outlet of the second reaction tube and flows into mercury vapourmeter with atmospheric carrier air.Clever structure, easy to operate, water mercury is pre-
Handle high reliablity.Two reaction tubes are all made of quartz material, intensity with higher, not cracky, and surface not Adsorption of Mercury
Gas reduces detection error, improves accuracy in detection.Outer tube lower part uses conical pipe, it is ensured that the gas of bottom of inner tube aperture discharge
Flow to gas outlet.Inner tube uses bulb-shaped bottom, so that liquid abundant fast reaction under the effect of carrier gas bubbling, it is ensured that prepare liquid
Precursor reactant is complete, improves detection efficiency and accuracy.
Preferably, the movable support includes hinged bottom plate and support plate, bottom plate is fixed on the cabinet
On pedestal, bottom plate is equipped with two grooves, and the support bar being put into groove can be turned down by being connected between bottom plate and support plate, support
Connecting rod is connected on plate, connecting rod is equipped with two pairs of clips of left and right distribution, and each pair of clip includes two bullets setting up and down
Spring snap ring, the generator are fixed in the spring arch clasp.When not in use, support plate folds on bottom plate, support bar
Be caught in groove, generator is horizontally placed in the pedestal of cabinet, close cabinet, can hand carry cabinet and carry away.In use, opening case
Body pulls support plate to be allowed to perpendicular to bottom plate, and support bar inclined shore forms triangular supports between support plate and bottom plate,
Plumbness is in by the support of connecting rod by the generator that clip clamps, water sample pretreatment can be carried out at this time.This technology side
The movable support of case collapses and expansion is all very convenient, can have strength support generator good enough pre-processed and
Pretreatment unit is accommodated in cabinet, quick for installation, easy to use and carry.
Preferably, the air path controlling mechanism includes air pump, speed setting controller and power supply, the outlet of air pump passes through pipe
Road is connected with generator, and speed setting controller is connected with the control terminal of air pump.Speed setting controller passes through RS232 serial ports and mercury vapourmeter phase
Even, speed setting controller adjusts the uninterrupted of air pump according to mercury vapourmeter demand control output voltage, and air pump transports atmospheric carrier air
Into the air inlet of generator, to adjust the flow of atmospheric carrier air.
Preferably, the cabinet includes pedestal and upper cover, the rear side and pedestal of upper cover are hinged and connected, the front side of pedestal
Middle part is equipped with handle, be respectively provided on front side of pedestal and on front side of upper cover two match from Lock buckle, there are four the back side of pedestal is set
Foot pad.Handle and setting from Lock buckle carry convenient for cabinet is mobile；Foot pad is set, and pedestal is directly contact when avoiding laying flat
Face causes surface scratching, also avoids base contacts corrosive liquid, improves safety, prolongs the service life.
The beneficial effects of the utility model are: the generator for being used for sample treatment and air path controlling mechanism are integrated in one
In cabinet, reduce volume, it is easy to carry, as long as and use when pull out movable support, be not necessarily to other support equipments, installation
Fast, easy to use, the detection of water mercury is carried out convenient for scene.Redox reaction is occurred using reducing agent and restores bicycle pump, is used
Screening agent removes the sour gas in gas, and water mercury pre-processes high reliablity, improves the accuracy of water mercury detection.
Detailed description of the invention
Fig. 1 is a kind of schematic perspective view of the utility model.
Fig. 2 is a kind of schematic cross-sectional view of the first reaction tube in the utility model.
Fig. 3 is a kind of schematic perspective view of movable support in the utility model.
Fig. 4 is a kind of attachment structure schematic diagram of air path controlling mechanism in the utility model.
1. pedestal in figure, 2. upper covers, 3. movable supports, 4. air path controlling mechanisms, 5. handles, 6. from Lock buckle, and 7. first
Reaction tube, 8. second reaction tubes, 9. outer tubes, 10. inner tubes, 11. water inlets, 12. water outlets, 13. sample introduction lids, 14. air inlets,
15. gas outlet, 16. sealing elements, 17. mercury vapourmeters, 31. bottom plates, 32. support plates, 33. grooves, 34. support bars, 35. connecting rods,
36. clip, 41. air pumps, 42. speed setting controllers.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment: a kind of integrated water mercury pretreatment unit of the present embodiment, as shown in Figure 1, including cabinet and being installed on
Generator, movable support 3 and air path controlling mechanism 4 in cabinet, generator is fixed on movable support, positioned at left the half of cabinet
Part, air path controlling mechanism are located at the right half part of cabinet, and generator is connected by pipeline with air path controlling mechanism.Cabinet is in just
It is rectangular, it is highly 100mm, side length 320mm.Cabinet includes pedestal 1 and upper cover 2, and the rear side and pedestal of upper cover pass through 180 ° of hinges
Chain link, there is handle 5 in the middle part of the front side of pedestal, on front side of pedestal and on front side of upper cover each installation there are two matching from Lock buckle 6,
There are four foots pad at the back side of pedestal.Cabinet is aluminum alloy material, and external plastic-spraying processing, intensity is high, and corrosion resistance is extremely strong.Generator
It is the quartz ampoule of elongate tubular including the first reaction tube 7 and the second reaction tube 8, length is 250~300mm, diameter is 40~
50mm, as shown in figure 3, movable support includes hinged bottom plate 31 and support plate 32, shape drive mechanism in 90 °, bottom plate is fixed on
There are two grooves 33 on the pedestal of cabinet, on bottom plate, the support being put into groove can be turned down by being connected between bottom plate and support plate
Item 34 is connected with connecting rod 35 in support plate, two pairs of clips 36 of left and right distribution is equipped in connecting rod, each pair of clip includes upper
Two spring arch clasps of lower setting, the first, second reaction tube are located in two pairs of clips, and each reaction tube is encircled by upper and lower Spring Card
Wale upper and lower part.As shown in figure 4, air path controlling mechanism includes air pump 41, speed setting controller 42 and power supply, power supply adaptation
Device connects alternating current or directly with battery, and speed setting controller is connected by RS232 serial ports with mercury vapourmeter 17, speed setting controller and air pump
Control terminal is connected, and the outlet of air pump is connected by pipeline with the air inlet of first reactor, and the gas outlet of the first reaction tube passes through
The air inlet of pipeline and the second reaction tube is connected, and the gas outlet of the second reaction tube is connected by pipeline with mercury vapourmeter.Air pump uses
Minipump, maximum flow can tune to 3L/min, and speed setting controller adjusts the uninterrupted of air pump by output voltage, will
Flow is adjusted to 1L/min.In Fig. 4, dotted line is electric signal connection, and solid line is air circuit connection.As shown in Fig. 2, the first reaction tube and
The structure of second reaction tube is identical.First reaction tube includes outer tube 9 and the inner tube 10 in outer tube.Upper end, the lower end of outer tube
Respectively water inlet 11 and water outlet 12, water inlet are plugged with sample introduction lid 13, and there is the air inlet 14 through sample introduction lid at sample introduction lid center,
There is the gas outlet 15 being connected to outer tube on the side wall of outer tube shoulder, outer tube lower part is a conical pipe, and the lower section of conical pipe is exactly
The mouth of a river.Inner tube is thinner, and diameter of inner pipe is 10~13mm, and inner tube has bottom, and the bottom of inner tube is in bulb-shaped, is evenly distributed with thereon
Multiple apertures, aperture 1mm, bottom of inner tube extend into the conical pipe of outer tube and close to water outlets, and the upper end opening of inner tube is interior
Pipe upper end is located at the top of gas outlet, is closed between the opening's edge and outer tube wall of upper end of inner tube with sealing element 16.Second reaction tube
It is identical with the structure of the first reaction tube.
Preprocess method includes the following steps: for cabinet to be laid flat, and opens cabinet, and support plate is pulled to be allowed to perpendicular to bottom plate,
Support bar inclined shore forms triangular supports between support plate and bottom plate, and the generator clamped by clip is by connecting rod
Support is in plumbness, and the air inlet of the first reaction tube is connected by pipeline with air pump, and the gas outlet of the first reaction tube passes through
The air inlet of pipeline and the second reaction tube is connected, and the gas outlet of the second reaction tube connects mercury vapourmeter by pipeline, and speed setting controller is logical
Cross RS232 serial ports connection mercury vapourmeter；Then, addition reducing agent stannous chloride solution and water sample to be measured in the first reaction tube, second
Screening agent sodium hydroxide solution is added in reaction tube, turns on the power switch, speed setting controller is according to mercury vapourmeter demand control air pump
Operation adjusts atmospheric carrier air flow, and atmospheric carrier air enters the air inlet of the first reaction tube, promotes water sample that redox occurs anti-
It answers, the bicycle pump restored in water sample enters the air inlet of the second reaction tube with atmospheric carrier air, by the screening agent in the second reaction tube
The sour gas in gas is removed, last bicycle pump flows into mercury vapourmeter with atmospheric carrier air, measures bicycle pump concentration.
The utility model uses integrated structure design, and the generator for being used for sample treatment is integrated with air path controlling mechanism
In a cabinet, reduce volume, it is easy to carry, as long as and use when pull out movable support, set without other supports
It is standby, it is quick for installation, easy to use, the detection of water mercury is carried out convenient for scene.Redox reaction is occurred using reducing agent and restores outlet
Mercury, using the sour gas in screening agent removal gas, water mercury pre-processes high reliablity, improves the accuracy of water mercury detection.Case
It is set in vitro from Lock buckle, there is automatically lock anti-drop function, it is easy to use, it is easy to operate.Cabinet uses aluminum alloy material, can fit
Various bad environments occasions are answered, are satisfied the use demand.
Claims (4)
1. a kind of integrated water mercury pretreatment unit, it is characterised in that generator, activity branch including cabinet and in cabinet
Frame and air path controlling mechanism, generator are fixed on movable support, and generator is connected by pipeline with air path controlling mechanism；It is described
Generator include the first reaction tube and the second reaction tube, the air inlet of the first reaction tube passes through pipeline and air path controlling mechanism phase
Even, the gas outlet of the first reaction tube is connected by the air inlet of pipeline and the second reaction tube, and the gas outlet of the second reaction tube passes through
Pipeline is connected with mercury vapourmeter.
2. a kind of integrated water mercury pretreatment unit according to claim 1, it is characterised in that first reaction tube
Inner tube including outer tube and in outer tube, upper end, the lower end of outer tube are respectively inlet and outlet, and water inlet is plugged with sample introduction
Lid, sample introduction are covered with the air inlet through sample introduction lid, and the side wall of outer tube shoulder is equipped with gas outlet, and inner tube has bottom, inner tube
Bottom is in bulb-shaped, and bottom of inner tube is evenly distributed with multiple apertures, and the bottom of inner tube extend into the lower end of outer tube, inner tube it is upper
End opening, upper end of inner tube are located at the top of the gas outlet, are sealed between the opening's edge and outer tube wall of upper end of inner tube with sealing element
It closes.
3. a kind of integrated water mercury pretreatment unit according to claim 1 or 2, it is characterised in that the movable support
Including hinged bottom plate and support plate, bottom plate is fixed on the pedestal of the cabinet, and bottom plate is equipped with two grooves, bottom plate and
The support bar being put into groove can be turned down by being connected between support plate, and connecting rod is connected in support plate, and connecting rod is equipped with a left side
Two pairs of clips of right distribution, each pair of clip include two spring arch clasps setting up and down, and the generator is fixed on described
In spring arch clasp.
4. a kind of integrated water mercury pretreatment unit according to claim 1, it is characterised in that the gas circuit controls machine
Structure includes air pump, speed setting controller and power supply, and the outlet of air pump is connected by pipeline with generator, speed setting controller and air pump
Control terminal is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821859351.8U CN209486089U (en) | 2018-11-12 | 2018-11-12 | A kind of integrated water mercury pretreatment unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821859351.8U CN209486089U (en) | 2018-11-12 | 2018-11-12 | A kind of integrated water mercury pretreatment unit |
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| Publication Number | Publication Date |
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| CN209486089U true CN209486089U (en) | 2019-10-11 |
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| CN201821859351.8U Active CN209486089U (en) | 2018-11-12 | 2018-11-12 | A kind of integrated water mercury pretreatment unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110297067A (en) * | 2018-11-12 | 2019-10-01 | 杭州超钜科技有限公司 | Integrated water mercury pretreatment unit and its preprocess method |
-
2018
- 2018-11-12 CN CN201821859351.8U patent/CN209486089U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110297067A (en) * | 2018-11-12 | 2019-10-01 | 杭州超钜科技有限公司 | Integrated water mercury pretreatment unit and its preprocess method |
| CN110297067B (en) * | 2018-11-12 | 2021-10-19 | 杭州超钜科技有限公司 | Integrated water mercury pretreatment device and pretreatment method thereof |
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