CN108535058A - Sampling apparatus and method - Google Patents
Sampling apparatus and method Download PDFInfo
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- CN108535058A CN108535058A CN201810309725.7A CN201810309725A CN108535058A CN 108535058 A CN108535058 A CN 108535058A CN 201810309725 A CN201810309725 A CN 201810309725A CN 108535058 A CN108535058 A CN 108535058A
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- floating
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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
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
Abstract
Include the intake pipe for acquiring water sample for swimming in the floating body in water body, being connect with floating body, connection is used to provide the water pump complement of conveying power for the water sample of acquisition in the output end of intake pipe and connection is used in the output end of water pump complement to the pretreated pretreatment unit of water sample progress the present invention provides a kind of sampling apparatus；It is equipped between intake pipe and water pump complement for floating body and/or intake pipe by freely swinging in water body when outer force effect to avoid the flexible joint of external force.Flexible joint makes floating body and/or intake pipe by freely swinging in water body when outer force effect to avoid external force, and when floating material passes through, the dive of taking advantage of a situation of floating body stress forms " tumbler " effect, be not easy to assemble floating material until floating material emerges after being detached from；When water body water level rises or falls, the inclination angle of floating body and intake pipe can follow variation, so that position (sampling depth) of the intake away from the water surface is relatively fixed, can normally take water sample.
Description
Technical field
The present invention relates to water quality sampling technical fields, particularly, are related to a kind of sampling apparatus and method.
Background technology
In recent years, China's environmental problem is increasingly serious, the attention of the more and more managed department of environmental monitoring data.It is at different levels
Environmental monitoring department is badly in need of that local water body environment is monitored and is studied, and grasps the water bodys such as lake, reservoir, river comprehensively
Variation of water, timely early-warning and predicting contamination accident provides the foundation of science for administrative department's decision.
Floating material is to rely on the solid waste that buoyancy swims in water surface, including branch, straw, stalk and plastics
Product etc..A large amount of floating material is all contained in lake, reservoir, river in reality, and sampling is used in the water body containing floating material
When device is sampled, floating material goes downstream, and is easily collected on around sampling apparatus, influences the normal operation of sampling apparatus.
The presence of floating material can adversely affect water quality around sampling apparatus, to influence water sample sampling representativeness and
The detection and analysis that Water Test Kits is accurate to water sample, stablizes.
In addition, existing sampling apparatus can not cope with the big situation of water body SEA LEVEL VARIATION.When wet season water level rises, Gu
Surely the sampling apparatus being arranged can be caused sampling apparatus that can not use and even damaged by water submerged；And it is led in dry season water level decline
When causing water level too low, it may appear that sampling apparatus can not take the case where water sample.
Invention content
The present invention provides a kind of sampling apparatus and method, being gathered in around sampling apparatus with to solve floating material makes sampling cartridge
Set the problem of being unable to operate normally and analysis can not being detected to water sample.
The technical solution adopted by the present invention is as follows：
One aspect of the present invention provides a kind of sampling apparatus, includes for swimming in the floating body in water body, being connect with floating body
For acquire water sample intake pipe, connection intake pipe output end be used for for acquisition water sample provide convey power water pump
Assembly and connection are used to carry out pretreated pretreatment unit to water sample in the output end of water pump complement；Intake pipe is total with water pump
It is equipped between and is connect with the flexibility for avoiding external force for floating body and/or intake pipe by freely swinging in water body when outer force effect
Head.
Further, sampling apparatus further includes the tune for adjusting hovering position of the intake on intake pipe in water body
Mechanism is saved, regulating mechanism includes being fixed on floating body and/or intake pipe, for driving intake to float or the drag-line of dive；If
It is placed on water pump complement, for wearing drag-line so that the drag-line ring that drag-line force direction commutates, the free end of drag-line, which is connected with, applies
Force mechanisms.
Further, water pump complement includes the protection shell for being used to form exterior protection；It is packaged in protective shell body, is used for
Conveying power is provided for the water sample of acquisition, to be delivered to the immersible pump of pretreatment unit；It is connected to the output end of flexible joint
Sample feeding pipe；And it is connected to the out sample tube of the input terminal of pretreatment unit；Immersible pump is set as one；Or immersible pump is set as
Multiple, multiple immersible pumps are packaged in the same protective shell body, and the setting being connected to sample feeding pipe and out sample tube；Or immersible pump
It is set as multiple, each immersible pump is packaged in respectively in a protective shell body, and multiple protection shells are interconnected to one.
Further, water pump complement further include with protection shell can closed communicating setting backwash blowdown valve；Backwash blowdown
The setting that valve is integrally fixed with protection shell, and moves altogether.
Further, it between water pump complement and pretreatment unit, is equipped with for water pump complement and/or water pump complement and in advance
The maintenance anchor point that pipeline between processing unit is overhauled.
Further, floating body is one kind in fly rod, floating ball, floating block or floating ring.
Further, intake is located at the water surface or less 0.1m~3m.
Further, pretreatment unit includes the injection port being connected to the output end of water pump complement；It is connected to injection port
Output end, the probe water tank for carrying out Preliminary detection to water sample；It is connected to the output end of probe water tank, after to coarse filtration
Water sample is sampled the No.1 water tank of detection；It is connected to the output end of No.1 water tank, for being sampled to the water sample after fine filtering
No. two water tanks of detection；And it is respectively communicated to the output end of probe water tank, No.1 water tank and No. two water tanks, after detecting
The nesting port of sample water discharges；It pops one's head in and is equipped with coarse strainer between water tank and No.1 water tank, be equipped between No.1 water tank and No. two water tanks
Fie screen.
Further, coarse strainer is and inclined-plane strainer of the water sample of the injection port flow direction with inclination angle.
Further, fie screen is vertical strainer, and No. two water tanks are equipped with the ultrasonic oscillator of the vertical strainer of face.
Another aspect of the present invention provides a kind of method of sampling, using above-mentioned sampling apparatus, includes the following steps：A, will
Floating body is positioned in water body, and intake is made to be located at liquid level or less；B, start water pump complement, it is total that water sample from intake enters water pump
At, and it is pumped to pretreatment unit；C, inclined-plane strainer coarse filtration water sample, sample detection；D, vertical strainer ultrasonic wave fine filtering water sample,
Sample detection.
Further, when the water surface freezes or sampling needs, hovering of the intake in water body is adjusted using regulating mechanism
Position is in order to sampling.
The invention has the advantages that：
Sampling apparatus provided by the invention, including floating body, intake pipe, water pump complement, pretreatment unit and flexible joint.
Float is in water body so that the intake on intake pipe and intake pipe hovers over the following certain position of the water surface, convenient for adopting
Collect the water sample of the depth.Water pump complement can provide conveying power for the water sample of acquisition, and water sample is pumped to pretreatment unit.Pre- place
Reason device can fall the contaminant filters such as suspended matter in water sample, ensure being normally carried out for follow-up water sample detection analysis, and pre-process
Device is outdoors without can long-acting, stable operation under the conditions of tap water.Flexible joint makes floating body and/or intake pipe by external force
It can freely swing in water body when effect to avoid external force, when floating material passes through, floating body stress is taken advantage of a situation dive, until floating material
It emerges after disengaging, forms " tumbler " effect, be not easy to assemble floating material；When water body water level rises or falls, floating body and
The inclination angle of intake pipe can follow variation, so that position (sampling depth) of the intake away from the water surface is relatively fixed, can normally take water
Sample.
Other than objects, features and advantages described above, the present invention also has other objects, features and advantages.
Below with reference to accompanying drawings, the present invention is described in further detail.
Description of the drawings
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention
Example and its explanation are applied for explaining the present invention, is not constituted improper limitations of the present invention.In the accompanying drawings：
Fig. 1 is the schematic diagram of the sampling apparatus of the preferred embodiment of the present invention；
Fig. 2 is the schematic three dimensional views of the water pump complement of the preferred embodiment of the present invention；
Fig. 3 is the axial section of Fig. 2；
Fig. 4 is the pipeline schematic diagram of the pretreatment unit of the preferred embodiment of the present invention；
Fig. 5 is the fundamental diagram of the pretreatment unit of the preferred embodiment of the present invention.
Reference sign：
1, floating body；2, intake pipe；3, water pump complement；4, pretreatment unit；5, intake；6, shell is protected；7, immersible pump；
8, sample feeding pipe；9, out sample tube；10, backwash blowdown valve；11, anchor point is overhauled；12, injection port；13, probe water tank；14, No.1 water
Case；15, No. two water tanks；16, nesting port；17, coarse strainer；18, fie screen；19, ultrasonic oscillator；20, overflow port.
Specific implementation mode
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
Fig. 1 is the schematic diagram of the sampling apparatus of the preferred embodiment of the present invention；Fig. 2 is that the water pump of the preferred embodiment of the present invention is total
At schematic three dimensional views；Fig. 3 is the axial section of Fig. 2；Fig. 4 is that the pipeline of the pretreatment unit of the preferred embodiment of the present invention is former
Reason figure；Fig. 5 is the fundamental diagram of the pretreatment unit of the preferred embodiment of the present invention.
As shown in Figure 1, the sampling apparatus of the present embodiment, includes for swimming in the floating body 1 in water body, being connect with floating body 1
For acquire water sample intake pipe 2, connection intake pipe 2 output end be used for for acquisition water sample provide convey power water
Pump assembly 3 and connection are used to carry out pretreated pretreatment unit 4 to water sample in the output end of water pump complement 3.Intake pipe 2 with
It is equipped between water pump complement 3 outer to avoid by freely swinging in water body when outer force effect for floating body 1 and/or intake pipe 2
The flexible joint of power.Sampling apparatus provided by the invention, including floating body 1, intake pipe 2, water pump complement 3, pretreatment unit 4 and
Flexible joint.Floating body 1 is swum in water body so that the intake 5 on intake pipe 2 and intake pipe 2 hovers over the water surface with next
Positioning is set, convenient for acquiring the water sample of the depth.Water pump complement 3 can provide conveying power for the water sample of acquisition, and water sample is pumped to
Pretreatment unit 4.Pretreatment unit 4 can fall the contaminant filters such as suspended matter in water sample, ensure follow-up water sample detection analysis
It is normally carried out, and pretreatment unit 4 is outdoors without can long-acting, stable operation under the conditions of tap water.Flexible joint makes floating body 1
And/or intake pipe 2 is when outer force effect in water body by freely swinging to avoid external force, and when floating material passes through, 1 stress of floating body
Dive of taking advantage of a situation forms " tumbler " effect, is not easy to assemble floating material until floating material emerges after being detached from；When water body water level
When rising or falling, the inclination angle of floating body 1 and intake pipe 2 can follow variation, make position (sampling depth) phase of intake 5 away from the water surface
To fixation, water sample can be normally taken.Optionally, flexible joint is the flexible pipes such as wired hose, rubber hose.
As shown in Figure 1, in the present embodiment, sampling apparatus further includes for adjusting the intake 5 on intake pipe 2 in water body
Hovering position regulating mechanism.Regulating mechanism includes being fixed on floating body 1 and/or intake pipe 2, for driving intake 5
Floating or dive drag-line；It is set on water pump complement 3, for wearing drag-line so that the drag-line ring that drag-line force direction commutates, draws
The free end of rope is connected with force application mechanism.With this, floating body 1 is made by the force of drag-line and intake pipe 2 floats or dive, and then band
Intake 5 on dynamic intake pipe 2 floats or dive.Drag-line tightly lies in bank across drag-line ring, as tightly lain on maintenance anchor point 11,
Force application mechanism can be manpower or machinery, and force application mechanism increases or reduces applied power, commutates through drag-line ring, to make floating body
1 and/or intake pipe 2 float or dive so drive intake pipe 2 on intake 5 float or dive.When water body SEA LEVEL VARIATION,
Hovering position of the intake 5 in water body can be adjusted by regulating mechanism, in order to take water sample.It, can in northern freezeup period
With by regulating mechanism by 5 dive of intake to ice sheet hereinafter, preventing intake 5 from freezing.When needing stratified sampling, Ke Yitong
Mechanism adjusting intake 5 to different depth is overregulated to be sampled respectively.Optionally, regulating mechanism is in floating body 1 and/or to take
Weight is added on water pipe 2, makes 2 dive of floating body 1 and/or intake pipe using the gravity of weight, by the adjustment of weight for controlling weight
Hovering position of the intake 5 of intake pipe 2 in water body.Optionally, regulating mechanism is inflatable floating body 1, by controlling floating body 1
The size of how much change buoyancy of aeration quantity, to adjust hovering position of the intake 5 in water body on intake pipe 2.It is optional
Ground, regulating mechanism use ducted body, by controlling ducted body sucking or discharge water to change the weight of ducted body, are taken to drive
Water pipe 2 floats or dive, controls the hovering position of intake 5.Optionally, drag-line ring can use pulley instead to commutate.
As shown in Figures 2 and 3, in the present embodiment, water pump complement 3 includes the protection shell 6 for being used to form exterior protection；Envelope
Loaded on protecting in shell 6, for providing conveying power for the water sample of acquisition, to be delivered to the immersible pump 7 of pretreatment unit 4；Even
Pass to the sample feeding pipe 8 of the output end of flexible joint；And it is connected to the out sample tube 9 of the input terminal of pretreatment unit 4.Immersible pump 7
It is set as one；Or immersible pump 7 is set as multiple, multiple immersible pumps 7 are packaged in the same protection shell 6, and and sample introduction
The setting that pipe 8 is connected to out sample tube 9；Or immersible pump 7 is set as multiple, each immersible pump 7 is packaged in a protective shell respectively
In body 6, multiple protection shells 6 are connected with each other integrally.Protection shell 6 can protect the components such as the immersible pump 7 in water pump complement 3
It is not damaged by outside, moreover it is possible to a sealed environment be provided, prevent external water body from entering.Immersible pump 7 is that the water sample of acquisition carries
For conveying power so that the water sample entered from sample feeding pipe 8 is delivered to pretreatment unit 4 by out sample tube 9.7 energy of multiple immersible pumps
When enough preventing some immersible pump 7 from not working, other immersible pumps 7 normal work so that entire water pump complement 3 can be transported normally
Row.And multiple immersible pumps 7 can provide more powerful conveying power so that water sample can be delivered to the farther position of higher.One
Or the diversification combination of multiple immersible pumps 7, convenient for meeting different application scenarios, the needs that can be conveyed according to water sample, adjustment
The setting quantity of immersible pump 7.Each 7 mating independent protection shells 6 of immersible pump, are easily installed, dismantle and repair, can be with
More easily increase and decrease the quantity of immersible pump 7.It is alternatively possible to select the startup quantity of immersible pump 7 as needed.
As shown in Figures 2 and 3, in the present embodiment, water pump complement 3 further include with protection shell 6 can closed communicating be arranged
Backwash blowdown valve 10；The setting that backwash blowdown valve 10 is integrally fixed with protection shell 6, and moves altogether.Pass through backwash blowdown valve
10 inversely input cleaning solution into water pump complement 3, for clearing up water pump complement 3, so that water is inversely discharged with cleaning solution in impurity
Pump assembly 3 prevents water pump complement 3 from depositing and blocking.When cleaning solution backwash sampling conduit, pipeline impurity and silt are with cleaning solution
Water pump complement 3 is discharged from backwash blowdown valve 10, avoid depositing and blocks, and 10 Natural closure of backwash blowdown valve when systematic sampling,
The representativeness of water sample sampling is not influenced.
As shown in Figure 1, in the present embodiment, between water pump complement 3 and pretreatment unit 4, it is equipped with for water pump complement 3
And/or the maintenance anchor point 11 that the pipeline between water pump complement 3 and pretreatment unit 4 is overhauled.Anchor point 11 is overhauled to be convenient for water
Pipeline between pump assembly 3 and/or water pump complement 3 and pretreatment unit 4 carries out inspection and maintenance periodically or non-periodically, right
The failure of water pump complement 3 is timely overhauled, and checks corrosion and the stopping state of pipeline, carries out pigging and broken pipe
Repair, keep and restore the normal operation of pipeline and equipment.
As shown in Figure 1, in the present embodiment, floating body 1 can be various structures appropriate, such as：Fly rod, floating ball, floating block or floating
One kind in ring.Floating body 1 shown in figure 1 is fly rod, and fly rod is hard tubing, and fly rod is elongated, and cross-sectional area is smaller, is not easy to gather
Collect floating material.Floating ball, floating block and floating ring volume bigger, can provide the buoyancy of bigger.
As shown in Figure 1, in the present embodiment, intake 5 is located at the water surface or less 0.1m~3m.Due to lamination, lake, water
Library, river water quality be likely to occur prodigious inhomogeneities along depth of water direction, reason comes from the water surface (euphotic zone photosynthesis
With water temperature change caused by change of water quality) and deposit (dissolving of substances in sediments) influence.In addition.The sedimentation of suspended matter
It may also cause the inhomogeneities of water quality vertical direction.Intake 5 is located at the following different depth of the water surface and is convenient for stratified sampling, can be complete
The case where grasping to orientation the change of water quality such as lake, reservoir, river.
As shown in Figure 4 and Figure 5, in the present embodiment, pretreatment unit 4 include be connected to the output end of water pump complement 3 into
Sample mouth 12；It is connected to the output end of injection port 12, the probe water tank 13 for carrying out Preliminary detection to water sample；It is connected to probe water
The output end of case 13, the No.1 water tank 14 for being sampled detection to the water sample after coarse filtration；It is connected to the defeated of No.1 water tank 14
Outlet, No. two water tanks 15 for being sampled detection to the water sample after fine filtering；And it is respectively communicated to probe water tank 13, No.1
The output end of water tank 14 and No. two water tanks 15, the nesting port 16 for the sample water discharges after detecting.Probe water tank 13 and No.1 water
It is equipped with coarse strainer 17 between case 14, fie screen 18 is equipped between No.1 water tank 14 and No. two water tanks 15.The water sample of acquisition is by water pump
Assembly 3 is delivered to injection port 12, and subsequent water sample enters probe water tank 13, and enters No.1 water tank after 17 coarse filtration of coarse strainer
14, instrument sample detection out of No.1 water tank 14.No.1 water tank 14 is designed in bottom with No. two adjacent water tanks 15 and is connected to pond,
Connection is equipped with the fie screen 18 taken out convenient for pull among pond, and due to being connected to effect, the water sample in No.1 water tank 14 is through fine filtering
Enter No. two water tanks 15, instrument sample detection out of No. two water tanks 15 after 18 fine filtering of net.Water sample is periodically arranged by nesting port 16
Sample ensures that being unlikely to sediment in water tank excessively causes to block.Water tank 13 of popping one's head in is equipped with integrated five parameters (pH, temperature, conductance
Rate, turbidity, oxygen content) sensor probe, can directly measure pH in water sample, temperature, conductivity, turbidity, oxygen content five
Item parameter, convenient for carrying out preliminary understanding to water sample to carry out subsequent processing.Optionally, probe water tank 13, No.1 water tank 14 and two
Number water tank 15 is additionally provided with overflow port 20, and water sample constantly enters from injection port 12, is discharged from overflow port 20, ensures that water sample can be had
The update of effect.
As shown in figure 5, in the present embodiment, coarse strainer 17 is to be filtered with inclined-plane of the water sample of injection port 12 flow direction with inclination angle
Net.Inclined-plane strainer is when filtering water sample, since current scour and gravity make impurity be not easy to be attached to inclined-plane screen surface,
There is preferable " automatically cleaning " effect.Optionally, inclination angle is 30 °~60 °, and suitable inclination angle range makes inclined-plane strainer cross drainage
When sample, have stronger current scour and gravity, " automatically cleaning " effect more preferable.Preferably, inclination angle is 45 °, 30 ° or 60 °.
Optionally, coarse strainer 17 is horizontal strainer, so that impurity is fallen off using gravity, prevents from blocking.Optionally, coarse strainer 17 is perpendicular
Straight strainer makes impurity fall off, prevents from blocking using current scour effect.
As shown in figure 5, in the present embodiment, fie screen 18 is vertical strainer, and No. two water tanks 15 are equipped with the vertical strainer of face
Ultrasonic oscillator 19.It shakes with the ultrasonic wave that is equipped on one side for being connected to the vertical strainer of pond face of No. two water tanks 15 in No.1 water tank 14
Son 19, ultrasonic oscillator 19 is enabled when water sample fine filtering sending out ultrasonic wave makes impurity fall off, and can prevent fie screen 18 from blocking, in No.1
Enabling ultrasonic oscillator 19, which sends out ultrasonic wave, when 14 stock layout of water tank to carry out reverse cleaning to fie screen 18.Optionally, carefully
Strainer 18, which is loaded on spring or so that fie screen 18 is generated vibration using other mechanical oscillation modes, to fall off convenient for impurity, prevents
Fie screen 18 blocks.Optionally, fie screen 18 or inclined-plane strainer.
As shown in Figure 1 and Figure 5, the method for sampling of the present embodiment is included the following steps using above-mentioned sampling apparatus：a、
Floating body 1 is positioned in water body, intake 5 is made to be located at liquid level or less；B, start water pump complement 3, water sample enters water from intake 5
Pump assembly 3, and it is pumped to pretreatment unit 4；C, inclined-plane strainer coarse filtration water sample, sample detection；D, vertical strainer ultrasonic wave is thin
Drainage sample, sample detection.
As shown in Figure 1 and Figure 5, in the present embodiment, floating body 1 is positioned in water body first, makes to take using the buoyancy of floating body 1
It hovers below the water surface at the mouth of a river 5.When floating material passes through, 1 stress of floating body is taken advantage of a situation dive, until floating material be detached from after emersion water
Face forms " tumbler " effect, is not easy to assemble floating material.When system, which starts water pump complement 3, to be sampled, water sample is from intake pipe 2
Intake 5 enter water pump complement 3 along intake pipe 2, and be pumped to pretreatment unit 4 and pre-processed.Inclined-plane strainer is to water
Sample carries out coarse filtration, filters off larger impurity, and instrument sampling is detected analysis；Vertical strainer ultrasonic wave fine filtering, filters off smaller
Impurity, instrument sampling are detected analysis.
As shown in Figure 1, in the present embodiment, when water body SEA LEVEL VARIATION, intake 5 can be adjusted by regulating mechanism in water
Hovering position in body, in order to take water sample.It, can be by regulating mechanism by 5 dive of intake to ice in northern freezeup period
Layer is hereinafter, prevent intake 5 from freezing.When needing stratified sampling, intake 5 can be adjusted by regulating mechanism to different depths
Degree is sampled respectively.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of sampling apparatus, which is characterized in that
Include for swim in the floating body in water body (1), connect with the floating body (1) for acquire water sample intake pipe (2),
The output end being connected in the intake pipe (2) is used to provide the water pump complement (3) and the connection that convey power for the water sample of acquisition
It is used to carry out pretreated pretreatment unit (4) to water sample in the output end of the water pump complement (3)；
Be equipped between the intake pipe (2) and the water pump complement (3) for the floating body (1) and/or the intake pipe (2) by
To freely swinging in water body when outer force effect to avoid the flexible joint of external force.
2. sampling apparatus according to claim 1, which is characterized in that
The sampling apparatus further includes for adjusting hovering position of the intake (5) in water body on the intake pipe (2)
Regulating mechanism,
The regulating mechanism includes being fixed on the floating body (1) and/or the intake pipe (2), for driving the intake
(5) floating or the drag-line of dive；It is set on the water pump complement (3), for wearing the drag-line so that the drag-line exerts a force
The drag-line ring of direction commutation.
3. sampling apparatus according to claim 1, which is characterized in that
The water pump complement (3) includes the protection shell (6) for being used to form exterior protection；It is packaged in the protection shell (6),
For providing conveying power for the water sample of acquisition, to be delivered to the immersible pump (7) of the pretreatment unit (4)；It is connected to described
The sample feeding pipe (8) of the output end of flexible joint；And it is connected to the out sample tube (9) of the input terminal of the pretreatment unit (4)；
The immersible pump (7) is set as one；Or
The immersible pump (7) is set as multiple, and multiple immersible pumps (7) are packaged in the same protection shell (6), and
The setting being connected to the sample feeding pipe (8) and the out sample tube (9)；Or
The immersible pump (7) is set as multiple, and each immersible pump (7) is packaged in respectively in a protection shell (6),
Multiple protection shells (6) are connected with each other integral.
4. sampling apparatus according to claim 3, which is characterized in that
The water pump complement (3) further include with it is described protection shell (6) can closed communicating setting backwash blowdown valve (10)；It is described
The setting that backwash blowdown valve (10) is integrally fixed with the protection shell (6), and moves altogether.
5. sampling apparatus according to claim 1, which is characterized in that
Between the water pump complement (3) and the pretreatment unit (4), it is equipped with for the water pump complement (3) and/or described
The maintenance anchor point (11) that pipeline between water pump complement (3) and the pretreatment unit (4) is overhauled.
6. sampling apparatus according to claim 1, which is characterized in that
The floating body (1) is one kind in fly rod, floating ball, floating block or floating ring.
7. according to claim 1~6 any one of them sampling apparatus, which is characterized in that
The pretreatment unit (4) includes the injection port (12) being connected to the output end of the water pump complement (3)；It is connected to described
The output end of injection port (12), the probe water tank (13) for carrying out Preliminary detection to water sample；It is connected to the probe water tank
(13) output end, the No.1 water tank (14) for being sampled detection to the water sample after coarse filtration；It is connected to the No.1 water tank
(14) output end, No. two water tanks (15) for being sampled detection to the water sample after fine filtering；And it is respectively communicated to described
The output end of probe water tank (13), the No.1 water tank (14) and No. two water tanks (15), for the sample water discharges after detecting
Nesting port (16)；
Coarse strainer (17), the No.1 water tank (14) and institute are equipped between the probe water tank (13) and the No.1 water tank (14)
It states and is equipped with fie screen (18) between No. two water tanks (15).
8. sampling apparatus according to claim 7, which is characterized in that
The coarse strainer (17) is and the water sample of the injection port (12) flows to the inclined-plane strainer with inclination angle.
9. sampling apparatus according to claim 7, which is characterized in that
The fie screen (18) is vertical strainer, and No. two water tanks (15) are equipped with the ultrasonic oscillator of vertical strainer described in face
(19)。
10. a kind of method of sampling, using claim 1~9 any one of them sampling apparatus, which is characterized in that including following
Step：
A, floating body is positioned in water body, intake is made to be located at liquid level or less；
B, start water pump complement, water sample enters water pump complement from intake, and is pumped to pretreatment unit；
C, inclined-plane strainer coarse filtration water sample, sample detection；
D, vertical strainer ultrasonic wave fine filtering water sample, sample detection.
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| CN201810309725.7A CN108535058B (en) | 2018-04-09 | 2018-04-09 | Sampling device and method |
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|---|---|---|---|
| CN201810309725.7A CN108535058B (en) | 2018-04-09 | 2018-04-09 | Sampling device and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110261164A (en) * | 2019-07-29 | 2019-09-20 | 东北农业大学 | A kind of sampling of river frost flower and content analysis device |
| CN113670664A (en) * | 2020-05-13 | 2021-11-19 | 力合科技（湖南）股份有限公司 | Automatic sampling and sample preparing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2004132845A (en) * | 2002-10-10 | 2004-04-30 | Kurasaki Kogyo:Kk | Water sampling apparatus for monitoring water quality |
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| JP2004132845A (en) * | 2002-10-10 | 2004-04-30 | Kurasaki Kogyo:Kk | Water sampling apparatus for monitoring water quality |
| CN102493528A (en) * | 2011-11-25 | 2012-06-13 | 重庆斯科森环保科技有限公司 | Buoy-type water getting device |
| CN204491716U (en) * | 2015-04-01 | 2015-07-22 | 国电大渡河流域水电开发有限公司龚嘴水力发电总厂 | Two filtration recoil is from removing contamination water fetching device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110261164A (en) * | 2019-07-29 | 2019-09-20 | 东北农业大学 | A kind of sampling of river frost flower and content analysis device |
| CN110261164B (en) * | 2019-07-29 | 2023-12-29 | 东北农业大学 | River ice flower sampling and content analysis device |
| CN113670664A (en) * | 2020-05-13 | 2021-11-19 | 力合科技（湖南）股份有限公司 | Automatic sampling and sample preparing device |
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| CN108535058B (en) | 2021-08-03 |
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