CN106153395B - A kind of underground water integrates sampling apparatus - Google Patents
A kind of underground water integrates sampling apparatus Download PDFInfo
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- CN106153395B CN106153395B CN201610839793.5A CN201610839793A CN106153395B CN 106153395 B CN106153395 B CN 106153395B CN 201610839793 A CN201610839793 A CN 201610839793A CN 106153395 B CN106153395 B CN 106153395B
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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
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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
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/34—Purifying; Cleaning
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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
- G01N2001/1418—Depression, aspiration
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Abstract
The present invention provides a kind of underground water and integrates sampling apparatus, sampling apparatus main body, the piston pump being connected with the sampling apparatus main body and the filter for filtering underground including being used to gather underground water；Sampling bottle for sampling is connected on the filter；The piston pump includes the pump housing, push-pull rod and is arranged on the in vivo piston of pump；The pump housing is hollow structure, be provided in the pump housing pump body is separated into the cavity volume that moves up and down for piston and in the water storage cavity of water storage every orifice plate；The water inlet pipe connected with water storage cavity is provided on the pump housing, the water inlet pipe is connected with the sampling apparatus main body；The push-pull rod lower end is connected by the perforation being arranged on the pump housing with the piston.The scope of application that the underground water of the present invention integrates sampling apparatus expands, particularly centering aquifer with low permeability, reduces drilling well and high-power pump electric cost, integrated preprocessing process, simple operation is efficient, fidelity water sample property.
Description
Technical field
The present invention relates to groundwater sampling engineering device technique fields, and sampling apparatus is integrated more particularly, to a kind of underground water.
Background technology
Underground water is the important water resource in China, big-and-middle especially for China coast city, inland city and the north
City.However, with the sharp increase of industrial and agricultural production domestic water demand, quantity of wastewater effluent increases year by year so that China underground
Water is poor and pollution situation is further severe.So, reasonable development, raising utilization ratio and optimization groundwater quality are given birth to for China
The Green Sustainable of state economy will become particularly important.It is real wherein to the long time scientific monitoring of underground water and chemical analysis
The now essential important foundation of the target.
At present, the Sampling Survey attention degree of underground water is substantially improved in China, and particularly direct relation national life is good for
The underground water eutrophication of health and heavy metal analysis etc. are made that huge effort.However, existing groundwater sampling skill
Art predominantly well-digging pumping method, pit slot take method and Pushpoint straight cutting methods etc., the above-mentioned existing method of sampling or of high cost, consumption
When effort or the gatherer process water sample muddiness that contacts vulnerable to pollution with surface water, gas or obtain need to refilter, between the operating time
Cause water sample perishable every longer.Therefore, cost is reduced in groundwater sampling, efficiency is improved, ensures primitive character and simplify
Integrated preprocessing process is an important factor for design groundwater sampling device need to consider.
The content of the invention
It is an object of the invention to provide a kind of underground water to integrate sampling apparatus, to solve sampling in the prior art
Method takes time and effort, and the water sample muddiness that gatherer process contacts vulnerable to pollution with surface water, gas or obtains refiltered, between the operating time
Every longer water sample is perishable the technical issues of.
A kind of underground water provided by the invention integrates sampling apparatus, including be used to gathering underground water sampling apparatus main body,
The piston pump and the filter for filtering underground being connected with the sampling apparatus main body；It is connected with and is used on the filter
The sampling bottle of sampling；
The piston pump includes the pump housing, push-pull rod and is arranged on the in vivo piston of pump；The pump housing is hollow structure,
It is provided in the pump housing and pump body is separated into the cavity volume that moves up and down for piston and the water storage cavity for water storage
It is interior every orifice plate；The water inlet pipe connected with water storage cavity, the water inlet pipe and the sampling apparatus main body are provided on the pump housing
Connection；
The push-pull rod lower end is connected by the perforation being arranged on the pump housing with the piston；
It is provided with to block the sealing ball of water inlet pipe in the water storage cavity；Restricted stop is set in the water storage cavity
The limiting holes shell of water polo scope of activities；
The outlet pipe connected with water storage cavity is provided on the pump housing, the outlet pipe passes through communicating pipe and the filter
Connection；Set on the outlet pipe restricted current to check (non-return) valve.
Further, the sampling apparatus main body includes gathering the tank body of underground water and is arranged on tank body to survey
Measure the pressure gauge of pressure；Be provided on the tank body for ventilation snorkel and connected with the water inlet pipe first water intaking
Pipe；Valve is both provided on the snorkel and first intake pipe.
Further, opening is provided on the tank body, the opening is provided with closure plug, the snorkel, institute
It states the first intake pipe and the pressure gauge both passes through the closure plug and is inserted into tank body；
The snorkel is located at the top of the tank body with the pressure gauge lower end, and the first intake pipe lower end is located at institute
State tank body lower part.
Further, the sampling apparatus main body lower end is provided with for the auger under in depth, in the sampling cartridge
Main body upper end is put to be provided with to rotate the drilling rod of the sampling apparatus main body.
Further, the sampling apparatus main body includes outer filter cylinder, interior filter cylinder and core pipe of drawing water；It is set in the outer filter cylinder
There is interior filter cylinder, core pipe of drawing water is provided in the interior filter cylinder；
The drilling rod is hollow structure, and there are two opening, an opening and the core pipes of drawing water for setting on drilling rod
Connection, another described opening with the water inlet pipe by connecting communicating pipe.
Further, the coarse sand for filtering is filled between the outer filter cylinder and the interior filter cylinder；The interior filter cylinder with
The filter layer for filtering is provided between core pipe of drawing water；The steel gauze for filtering is wrapped in the outer filter cylinder.
Further, the filter includes filter body, and the filter body is hollow structure, in the filtering
Be provided with filter chamber in device main body, be provided in the filter chamber by filter chamber be divided in filter chamber and lower filter chamber
Every filter plate；The second water inlet pipe connected with upper filter chamber is provided on the filter body and is connected with the lower filter chamber
The second outlet pipe；Valve is provided on second outlet pipe；
Second outlet pipe is connected by isocon with the sampling bottle.
Further, the isocon includes the 3rd water inlet pipe and at least one branch's flow tube；3rd water inlet pipe leads to
It crosses and is connected with second outlet pipe communicating pipe, branch's flow tube is connected by communicating pipe with the sampling bottle；
The valve for switch is provided in branch's flow tube.
Further, the 4th water inlet pipe is provided on the sampling bottle and for exhaust or the exhaust pipe of water；Described 4th
Water inlet pipe is connected with branch's flow tube by communicating pipe；Valve is provided on the exhaust pipe.
Further, charger is provided on the filter body, is provided on the charger and lower filter chamber
The liquid-feeding tube of connection is provided with valve on the liquid-feeding tube.
Underground water provided by the invention integrates sampling apparatus, when in use, sampling apparatus main body is reached predetermined depth,
Using piston pump, the depth underground water is extracted, and water sample is sent to filter, (stabilizer is according to circumstances added) after filtering
Water sample is sealed up for safekeeping into different sampling bottles；
In entire sampling process, device has carried out sampling of ground water multiple filtering, can remove silt and other are small
Impurity ensures the cleaning stability of water sample；
It from the collecting of underground water, extracts, filter, add reagent to sealing up for safekeeping, package unit whole process has effectively completely cut off air
Pollution is mixed into other water bodys, and effectively prevents the variation of water sample redox state and the volatilization of dissolved gas, ensure that
The original stable state of aqueous ingredient and the accuracy of gathered data；
Entire sampling process, integrated continuous productive process improve sampling water, accelerate sampling rate, reduce the time,
Human cost；
The scope of application that the underground water of the present invention integrates sampling apparatus expands, particularly centering aquifer with low permeability, drop
Low drilling well and high-power pump electric cost, integrated preprocessing process, simple operation is efficient, fidelity water sample property.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution of the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in describing below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the structure diagram that a kind of underground water provided in an embodiment of the present invention integrates sampling apparatus；
Fig. 2 is the structure diagram for the piston pump that a kind of underground water shown in FIG. 1 integrates sampling apparatus；
Fig. 3 is the structure diagram for the sampling apparatus main body that a kind of underground water shown in FIG. 1 integrates sampling apparatus；
Fig. 4 is another structure diagram for the sampling apparatus main body that a kind of underground water shown in FIG. 1 integrates sampling apparatus；
Fig. 5 is the structure diagram for the filter that a kind of underground water shown in FIG. 1 integrates sampling apparatus；
Fig. 6 is the structure diagram for the sampling bottle that a kind of underground water shown in FIG. 1 integrates sampling apparatus.
Reference numeral：
1- piston pumps；2- sampling apparatus main bodys；3- filters；
4- sampling bottles；5- isocons；6- push-pull rods；
7- pistons；Every orifice plate in 8-；9- outlet pipes；
10- cavity volumes；11- water storage cavities；12- limiting holes shells；
13- sealing balls；14- water inlet pipes；15- drilling rods；
16- draws water core pipe；Filter cylinder in 17-；The outer filter cylinders of 18-；
19- augers；The upper filter chambers of 20-；Filter chamber under 21-；
The second water inlet pipes of 22-；The second outlet pipes of 23-；24- communicating pipes；
Every filter plate in 25-；26- chargers；27- liquid-feeding tubes；
The 3rd water inlet pipes of 28-；29- branches flow tube；30- exhaust pipes；
The 4th water inlet pipes of 31-；32- tank bodies；33- snorkels；
The first intake pipes of 34-；35- pressure gauges；36- valves；
37- closure plugs.
Specific embodiment
Technical scheme is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's all other embodiments obtained without making creative work, belong to the scope of protection of the invention.
In the description of the present invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instructions such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Convenient for the description present invention and simplify description rather than instruction or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" the 3rd " is only used for description purpose, and it is not intended that instruction or hint relative importance.
In the description of the present invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or be integrally connected；It can
To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
As shown in Figure 1 and Figure 2, underground water provided in this embodiment integrates sampling apparatus, including being used to gather adopting for underground water
Sampling device main body 2, the piston pump 1 being connected with sampling apparatus main body 2 and the filter 3 for filtering underground；Connect on filter 3
It is connected to sampling bottle 4 for sampling；
Piston pump 1 includes the pump housing, push-pull rod 6 and is arranged on the in vivo piston 7 of pump；The pump housing is hollow structure, in the pump housing
Be provided with pump body is separated into the cavity volume 10 that moves up and down for piston 7 and in the water storage cavity 11 of water storage every orifice plate
8；The water inlet pipe 14 connected with water storage cavity 11 is provided on the pump housing, water inlet pipe 14 is connected with sampling apparatus main body 2；
6 lower end of push-pull rod is connected by the perforation being arranged on the pump housing with piston 7；
It is provided with to block the sealing ball 13 of water inlet pipe 14 in water storage cavity 11；Restricted stop is set in water storage cavity 11
The limiting holes shell 12 of 13 scope of activities of water polo；
The outlet pipe 9 connected with water storage cavity 11 is provided on the pump housing, outlet pipe 9 is connected by communicating pipe 24 with filter 3；
Set on outlet pipe 9 restricted current to check (non-return) valve.
In the present embodiment, sampling apparatus main body 2 is connected by piston pump 1, sampling apparatus main body 2 collects underground water
Afterwards, underground water is drained by filter 3 by piston pump 1, by the filtering of filter 3, underground water is flowed into sampling bottle 4,
Complete the sample acquisitions of underground water.
By push-pull rod 6 piston 7 is promoted to be moved in cavity volume 10, when piston 7 moves upwards, sealing ball 13 does not seal
Water inlet pipe 14 is blocked, underground water can be flowed by water inlet pipe 14 in water storage cavity 11；When push-pull rod 6 is transported downwards with piston 7
When dynamic, due to the effect of air pressure, sealing ball 13 is pressed in by air pressure at water inlet pipe 14, make water in water storage cavity 11 will not from into
Water pipe 14 flows out, and is flowed out from outlet pipe 9, has check (non-return) valve on outlet pipe 9, so the water of water storage cavity 11 can only be flowed out from outlet pipe 9,
Water storage cavity 11 cannot be flowed into from outlet pipe 9.
There are multiple holes on limiting holes shell 12, the gentle body of water can be from inflow and outflow on limiting holes shell 12；Limiting holes shell 12 will
Sealing ball 13 is limited at water inlet pipe 14, ensures when piston 7 moves downward, can rapidly block water inlet pipe 14, is prevented
Only underground water is flowed out from water inlet pipe 14.
Completely cut off air in whole process and prevent being mixed into for other water bodys, effectively prevent water sample oxygen reduction state
Variation and dissolved gas volatilization, ensure that the original stable state of aqueous ingredient and the accuracy of gathered data.
With reference to shown in Fig. 3, further, sampling apparatus main body 2 includes gathering the tank body 32 of underground water and be arranged on
It is used to measure the pressure gauge 35 of pressure on tank body 32；It is provided on tank body 32 for the snorkel 33 of ventilation and connected with water inlet pipe 14
The first logical intake pipe 34；Valve 36 is both provided on 33 and first intake pipe 34 of snorkel.
In the present embodiment, the pressure gauge 35 of measurement 32 internal pressure of tank body is provided on tank body 32, snorkel 33 passes through
Piston pump 1 is connected, the gas in tank body 32 can be discharged, makes it internal as negative pressure state, is conducive to the ground outside tank body 32
Lower water is flowed into tank body 32；First intake pipe 34 is connected with water inlet pipe 14,, will by piston pump 1 when water intaking is needed
Underground water in tank body 32 takes out.
Tank body 32 is clay tank, and clay tank has intensive fine pore structure, the remittance to underground water in hyposmosis sedimentary
Collection has good " charge for remittance gear mud " effect；At low cost, charge for remittance effect is good, the length especially suitable for sampling of ground water in hypotonic mud bank
Phase observation acquisition；Tank body 32 can also use sintering PE materials, it is that the sintering of low pressure superhigh molecular weight polyethylene material forms
Poromerics equally has good cut-off filter effect to extra accuracy particle.
When in use, tank body 32 is embedded in predetermined depth, snorkel 33 with piston pump 1 is connected, will be ventilated
Valve 36 on pipe 33 is opened, and closes the valve 36 on the first intake pipe 34, is pushed and pulled push-pull rod 6, is made the gas in its tank body 32
It is extracted；The valve 36 on snorkel 33 is closed after the completion of pumping；The inside of tank body 32 is made to be presented negative pressure state, at static one section
Between, after sedimentary restores to the original state, by the increase of 35 reading of pressure gauge, to obtain collecting the volume of underground water in tank body 32,
If water is less than sampling amount, irregular inspection pressure gauge 35, and repeats to reduce the pressure in tank body 32；Reach sampling amount requirement
Afterwards, the valve 36 on 33 and first intake pipe 34 of snorkel is opened simultaneously；It is defeated by piston pump 1 by the underground water in tank body 32
After being sent to filter 3, it is sampled.
With reference to shown in Fig. 3, further, opening is provided on tank body 32, opening is provided with closure plug 37, snorkel
33rd, the first intake pipe 34 and pressure gauge 35 both pass through closure plug 37 and are inserted into tank body 32；
Snorkel 33 is located at the top of tank body 32 with 35 lower end of pressure gauge, and 34 lower end of the first intake pipe is located under tank body 32
Portion.
In the present embodiment, opening is provided with the closure plug 37 for closure on tank body 32, can so ensure tank body
32 sealing is provided with the snorkel 33 for ventilation, the first intake pipe 34 and pressure gauge 35, the first water intaking on closure plug 37
Pipe 34 is deep into 32 deep inside of tank body, when so sampling, can take out the underground water inside tank body 32, can be by tank
The underground water of body 32 is collected cleaner；33 lower end of snorkel is located at 32 inner upper end of tank body, what is be evacuated repeatedly to tank body 32
When, the underground water for avoiding collecting is sucked away.
With reference to shown in Fig. 4, further, 2 lower end of sampling apparatus main body is provided with for the auger 19 under in depth,
2 upper end of sampling apparatus main body is provided with to rotate the drilling rod 15 of sampling apparatus main body 2.
In the present embodiment, 2 lower end of sampling apparatus main body sets auger 19, rotates entire sampling apparatus by drilling rod 15
Main body 2, by the rotation of auger 19, sampling apparatus main body 2 can be deep into underground, carry out the collecting and sampling of underground water.
On above-described embodiment basis, further, sampling apparatus main body 2 includes outer filter cylinder 18,17 and of interior filter cylinder
Core pipe of drawing water 16；Interior filter cylinder 17 is provided in outer filter cylinder 18, core pipe 16 of drawing water is provided in interior filter cylinder 17；
Drilling rod 15 is hollow structure, is set on drilling rod 15 there are two opening, an opening is connected with core pipe 16 of drawing water, separately
One opening with water inlet pipe 14 by connecting communicating pipe 24.
In the present embodiment, multiple filter hole are both provided on outer filter cylinder 18 and interior filter cylinder 17, in interior filter cylinder 17 in
The heart is provided with core pipe 16 of drawing water, and 16 jointed rod 15 of core pipe of drawing water, piston pump 1 passes through brill by 24 jointed rod 15 of communicating pipe
Bar 15 uses core pipe 16 of drawing water that into piston pump 1, the underground water transport of the collection in interior filter cylinder 17 is realized the collection of underground water.
On above-described embodiment basis, further, between outer filter cylinder 18 and interior filter cylinder 17 it is filled with to filter
Coarse sand；The filter layer for filtering is provided between interior filter cylinder 17 and core pipe 16 of drawing water；It is wrapped with and is used in outer filter cylinder 18
The filter screen of filtering.
In order to collect cleaner underground water, the space filling coarse sand between outer filter cylinder 18 and interior filter cylinder 17,
Filter core or pure sponge are set between interior filter cylinder 17 and core pipe 16 of drawing water；Filter screen will be being wrapped up on outer filter cylinder 18, filtered
Fine mesh steel gauze may be employed in net；So filter screen, coarse sand and sponge form three-stage filtration, and the underground water so collected can
Tentatively filter out impurity, the wherein purpose of filter core and pure sponge except playing filtering, the also purpose with water holding, such filter core
Underground water is collected in interior filter cylinder 17 with sponge, is so conducive to the water suction in interior filter cylinder 17 of core pipe 16 of drawing water.
With reference to shown in Fig. 5, further, filter 3 includes filter body, and filter body is hollow structure, in mistake
Filter chamber is provided in filter body, be provided in filter chamber by filter chamber be divided on filter chamber 20 and lower filter chamber 21
It is interior every filter plate 25；The second water inlet pipe 22 connected with upper filter chamber 20 is provided on filter body and is connected with lower filter chamber 21
The second logical outlet pipe 23；Valve 36 is provided on the second outlet pipe 23；
Second outlet pipe 23 is connected by isocon 5 with sampling bottle 4.
In the present embodiment, it is hollow structure in filter body, the underground water being collected into is passed through water outlet by piston pump 1
Pipe 9 is drained into filter chamber 20, and by the interior filtering every filter plate 25, underground water enters lower filter chamber 21；In order to more
Good filtering underground, inside every being equipped with the cellulose acetate film for filtering on filter plate 25, plays the 4th layer of fine filtering
The purpose of underground water.
Volume scale is marked in filter body outer wall；Wherein the second water inlet pipe 22 is arranged on the top on filter body
It covers, head cover is threadedly coupled with filter body；Every the filtering for filtering being laid on filter plate 25 in being so convenient for changing
Film；To be cylindric, lower part is funnel-form on filter body top, when adding reagent on funnelform filtering by charger 26
At device main body, funnelform filter body part can play the role of mixed uniformly to water sample and the reagent of addition.
With reference to shown in Fig. 6, further, isocon 5 includes the 3rd water inlet pipe 28 and at least one branch's flow tube 29；3rd
Water inlet pipe 28 is connected by communicating pipe 24 with the second outlet pipe 23, and branch's flow tube 29 is connected by communicating pipe 24 with sampling bottle 4；
The valve 36 for switch is provided in branch's flow tube 29.
In order to connect multiple sampling bottles 4, the second outlet pipe 23 connects multiple sampling bottles 4, isocon by isocon 5
Multiple branch's flow tubes 29 can be set on 5 the 3rd water inlet pipe 28, each branch's flow tube 29 connects a sampling bottle 4；So
It can sample multiple；Valve 36 is both provided in each branch's flow tube 29, by the cooperation between each valve 36, is ensured
Underground water can be only flowed into a sampling bottle 4 each time, after a sampling bottle 4 is collected into sample, passing through regulation and control
Valve 36 makes underground water be flowed into next sampling bottle 4, can so sample successively multiple.
On above-described embodiment basis, further, the 4th water inlet pipe 31 is provided on sampling bottle 4 and for being vented
Or the exhaust pipe 30 of water；4th water inlet pipe 31 is connected with branch flow tube 29 by communicating pipe 24；Valve is provided on exhaust pipe 30
Door 36.
In the present embodiment, it is provided with to discharge the exhaust pipe 30 of gas in sampling bottle 4, branch's flow tube on sampling bottle 4
29 connect with the 4th water inlet pipe 31, when sampling bottle 4 samples, in opening and 4 corresponding branch's flow tube 29 of sampling bottle
Valve 36 closes the valve 36 in other branch's flow tubes 29, and underground water is filtered by filter 3, is flowed by the second outlet pipe 23
Enter the 3rd water inlet pipe 28, be flowed by the branch's flow tube 29 for opening valve 36 in sampling bottle 4, at this time the row on sampling bottle 4
Valve 36 on tracheae 30 is also opened, and when such subsurface flow is entered into sampling bottle 4, gas in sampling bottle 4 is from exhaust
It is discharged in pipe 30, when sampling is completed, the valve 36 on closing exhaust pipe 30 prevents air from entering sampling bottle 4 from exhaust pipe 30
In, influence sample.
After sampling bottle 4 samples, the communicating pipe 24 between 29 and the 4th water inlet pipe 31 of branch's flow tube is disconnected, then
It is sealed up for safekeeping.
Liang Ge branches flow tube 29 can be set on the 3rd water inlet pipe 28 on isocon 5, so each branch's flow tube 29
One sampling bottle 4 of upper connection, so when operation, can be in turn be sampled, after sampling bottle 4 samples, then more
When exchanging sample bottle 4 for, the sampling bottle 4 in another branch's flow tube 29 continues to sample；It so repeats alternately to sample, Neng Goushou
Collect Multi-example.
On above-described embodiment basis, charger 26 further, on filter body is provided with, in charger 26
On be provided with the liquid-feeding tube 27 connected with lower filter chamber 21, valve 36 is provided on liquid-feeding tube 27.
In the present embodiment, the charger 26 for liquid feeding is provided on filter 3, addition is useful in night device adding
Reagent is (such as：Acid, chloroform or other stabilizers), reagent is proportionally injected by liquid-feeding tube 27 in lower filter chamber 21,
It is uniformly mixed with groundwater sample in lower filter chamber 21, efficiently avoids air contact and the pollution of other impurities.
Volume markings are also indicated on charger 26, can so control the ratio of addition reagent.
Underground water provided by the invention integrates sampling apparatus, when in use, sampling apparatus main body 2 is reached predetermined depth
Degree, using piston pump 1, extracts the depth underground water, and water sample is sent to filter 3, and (according to circumstances addition is stablized after filtering
Agent) water sample, by isocon 5 into being sealed up for safekeeping in different sampling bottles 4；
In entire sampling process, device has carried out multi-filtering to sampling of ground water, can remove silt and other are small miscellaneous
Matter ensures the cleaning stability of water sample；
It from the collecting of underground water, extracts, filter, add reagent to sealing up for safekeeping, package unit whole process has effectively completely cut off air
Pollution is mixed into other water bodys, and effectively prevents the variation of water sample redox state and the volatilization of dissolved gas, ensure that
The original stable state of aqueous ingredient and the accuracy of gathered data；
Entire sampling process, integrated continuous productive process improve sampling water, accelerate sampling rate, reduce the time,
Human cost；
The scope of application that the underground water of the present invention integrates sampling apparatus expands, particularly centering aquifer with low permeability, drop
Low drilling well and high-power pump electric cost, integrated preprocessing process, simple operation is efficient, fidelity water sample property.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe is described in detail the present invention with reference to foregoing embodiments, it will be understood by those of ordinary skill in the art that：Its according to
Can so modify to the technical solution recorded in foregoing embodiments either to which part or all technical characteristic into
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is not made to depart from various embodiments of the present invention technology
The scope of scheme.
Claims (7)
1. a kind of underground water integrates sampling apparatus, which is characterized in that sampling apparatus main body and institute including being used to gather underground water
The piston pump and the filter for filtering underground for stating the connection of sampling apparatus main body；It is connected with to sample on the filter
Sampling bottle；
The piston pump includes the pump housing, push-pull rod and is arranged on the in vivo piston of pump；The pump housing is hollow structure, in institute
State be provided in the pump housing pump body is separated into the cavity volume that moves up and down for piston and in the water storage cavity of water storage every
Orifice plate；The water inlet pipe connected with water storage cavity is provided on the pump housing, the water inlet pipe is connected with the sampling apparatus main body；
The push-pull rod lower end is connected by the perforation being arranged on the pump housing with the piston；
It is provided with to block the sealing ball of water inlet pipe in the water storage cavity；Restricted sealing ball is set in the water storage cavity
The limiting holes shell of scope of activities；
The outlet pipe connected with water storage cavity is provided on the pump housing, the outlet pipe is connected by communicating pipe and the filter
It connects；Set on the outlet pipe restricted current to check (non-return) valve；
The sampling apparatus main body lower end is provided with for the auger under in depth, is set in the sampling apparatus main body upper end
It is useful for rotating the drilling rod of the sampling apparatus main body；
The sampling apparatus main body includes outer filter cylinder, interior filter cylinder and core pipe of drawing water；Interior filter cylinder is provided in the outer filter cylinder, in institute
It states in interior filter cylinder and is provided with core pipe of drawing water；
The drilling rod is hollow structure, is set on drilling rod there are two opening, and an opening is connected with the core pipe of drawing water,
Another described opening with the water inlet pipe by connecting communicating pipe；
The sampling apparatus main body includes gathering the tank body of underground water and is arranged on tank body to measure the pressure of pressure
Meter；The snorkel for ventilation and the first intake pipe for being connected with the water inlet pipe are provided on the tank body；The snorkel
Valve is both provided with on first intake pipe.
2. underground water according to claim 1 integrates sampling apparatus, which is characterized in that opening is provided on the tank body,
The opening is provided with closure plug, the snorkel, first intake pipe and the pressure gauge both pass through the closure
Plug is inserted into tank body；
The snorkel is located at the top of the tank body with the pressure gauge lower end, and the first intake pipe lower end is located at the tank
Body lower part.
3. underground water according to claim 1 integrates sampling apparatus, which is characterized in that the outer filter cylinder and the interior filter cylinder
Between be filled with for filtering coarse sand；The filter layer for filtering is provided between the interior filter cylinder and core pipe of drawing water；Institute
It states outer filter cylinder and is wrapped with steel sand net for filtering.
4. underground water according to claim 1 integrates sampling apparatus, which is characterized in that the filter includes filter master
Body, the filter body are hollow structure, are provided with filter chamber in the filter body, are set in the filter chamber
Have and filter chamber is divided into upper filter chamber and lower filter chamber every filter plate；It is provided on the filter body and upper filtering
Second water inlet pipe of chamber connection and the second outlet pipe connected with the lower filter chamber；Valve is provided on second outlet pipe
Door；
Second outlet pipe is connected by isocon with the sampling bottle.
5. underground water according to claim 4 integrates sampling apparatus, which is characterized in that the isocon includes the 3rd water inlet
Pipe and at least one branch's flow tube；3rd water inlet pipe is connected by communicating pipe with second outlet pipe, the affluent-dividing
Pipe with the sampling bottle by being connected communicating pipe；
The valve for switch is provided in branch's flow tube.
6. underground water according to claim 5 integrates sampling apparatus, which is characterized in that is provided with the 4th on the sampling bottle
Water inlet pipe and for be vented or water exhaust pipe；4th water inlet pipe is connected with branch's flow tube by communicating pipe；Institute
It states and valve is provided on exhaust pipe.
7. sampling apparatus is integrated according to claim 4-6 any one of them underground water, which is characterized in that the filter master
Charger is provided on body, the liquid-feeding tube connected with lower filter chamber is provided on the charger, is set on the liquid-feeding tube
It is equipped with valve.
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