CN108844781A - Environmental project detects sampler with water body - Google Patents
Environmental project detects sampler with water body Download PDFInfo
- Publication number
- CN108844781A CN108844781A CN201810903313.6A CN201810903313A CN108844781A CN 108844781 A CN108844781 A CN 108844781A CN 201810903313 A CN201810903313 A CN 201810903313A CN 108844781 A CN108844781 A CN 108844781A
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- China
- Prior art keywords
- fixedly connected
- water
- drinking
- hull
- support
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
-
- 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
Abstract
The invention discloses environmental project water bodys to detect sampler, is related to water body detection technique field.The environmental project detects sampler with water body, including hull, the bottom of the hull inner cavity is fixedly connected with first motor, the right side of the hull inner cavity and be located at first motor above be fixedly connected with support plate, and the top of support plate is rotatably connected to winch spool by ball, the bottom of the winch spool is fixedly connected with sleeve, the bottom end of the sleeve runs through support plate and extends to the lower section of support plate, the surface of the sleeve and be located at support plate below be fixedly connected with first gear, the top of the first motor output shaft is fixedly connected with second gear, and the side of second gear and first gear are intermeshed, pass through the rotation of crankshaft, three pistons can be driven to move up and down using connecting rod simultaneously, and then water sample can be extracted simultaneously, three chambers are set in piston cylinder, three groups of water samples can be extracted simultaneously, keep the detection of water sample more acurrate.
Description
Technical field
The present invention relates to water body detection technique field, specially environmental project detects sampler with water body.
Background technique
Water is Source of life, and the mankind be unable to do without water in life and production activity, the superiority and inferiority of Drinking Water water quality with
Human health is closely related.With the improvement of social and economic development, scientific progress, and people ' s living standards, people drink life
The water quality requirement of water is continuously improved, and water quality standard for drinking water also has been continuously developed and improved accordingly.Due to Drinking Water water quality
The formulation of standard and people's lives habit, culture, economic condition, scientific technological advance level, water resource and its water quality situation
Equal many factors are related, and not only between various countries, but also between the different regions of same country, the requirement to drinking water quality is all deposited
In difference.Detection range includes sewage, pure water, seawater, fishery water, swimming pool water, middle water, bottled pure water, edible natural
Mineral water, cooling water, farmland irrigating water, landscape water, Drinking Water, underground water, boiler water, surface water, industrial water, examination
It tests with water etc..
Existing water body sample detection is generally only to be sampled to the water on surface, and detection data is special without representativeness
In the case of need to be sampled lower water column, need to put down water pump in the middle of a lake by pilot steering ship or artificial dive taken
Sample, it is troublesome in poeration, it is time-consuming and laborious, and extraction water sample is carried out by putting into water pump, it is not easy to be sampled the water of different water depth,
Water quality monitoring is not up to standard.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides environmental project water bodys to detect sampler, solves artificial
Dive is sampled, troublesome in poeration, and carries out extraction water sample by putting into water pump, is not easy to be sampled different water depth water sample
The problem of.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs：Environmental project is detected with water body and is sampled
Device, including hull, the bottom of the hull inner cavity are fixedly connected with first motor, the right side of the hull inner cavity and are located at the
Support plate is fixedly connected with above one motor, and the top of support plate is rotatably connected to winch spool by ball, the winch spool
Bottom is fixedly connected with sleeve, and the bottom end of the sleeve runs through support plate and extends to the lower section of support plate, the table of the sleeve
Face and be located at support plate below be fixedly connected with first gear, the top of the first motor output shaft is fixedly connected with second
Gear, and the side of second gear and first gear are intermeshed, between the right side of the support plate and the bottom of hull inner cavity
It is fixedly connected with first support, the bottom of the hull inner cavity and is located on the left of first support and is fixedly connected with second support,
And crankshaft is rotatably connected between first support and second support, the left end of the crankshaft through second support and extends to second
The left side of bracket is fixedly connected with piston cylinder, the work between the first support and second support and below crankshaft
The internal slide of plug cylinder is connected with piston, and push rod is fixedly connected at the top of piston.
Preferably, the top of the push rod runs through piston cylinder and extends to the top of piston cylinder, and the top rotation of push rod
It is connected with connecting rod, the top of the connecting rod is fixedly connected with sliding sleeve, and sliding sleeve is set in the surface of crankshaft.
Preferably, the bottom of the hull inner cavity and be located at second support on the left of be fixedly connected with the second motor, it is described
The right end of second motor output shaft is fixedly connected with first pulley, and the left end of the crankshaft is fixedly connected with the second belt wheel, and
The surface of two belt wheels is sequentially connected by belt and first pulley.
Preferably, the bottom of the hull inner cavity and it is located at the left side of the second motor and is from left to right fixedly connected sequentially and has storage
Battery and sampling cabinet, and the internal activity of sampling cabinet is connected with sampling bottle, the surface of the winch spool, which is run through, protection pipe, the guarantor
One end of pillar is through sleeve and extends to the lower section of sleeve, and the inside of protection pipe be connected with respectively the first drinking-water pipe,
Second drinking-water pipe and third drinking-water pipe.
Preferably, one end of first drinking-water pipe, the second drinking-water pipe and third drinking-water pipe connects with the bottom of piston cylinder
It is logical, and the surface of the first drinking-water pipe, the second drinking-water pipe and third drinking-water pipe is fixedly connected to the first check valve, the sampling cabinet
Top be hinged with case lid.
Preferably, the bottom of the piston cylinder has from left to right been sequentially communicated the first drainpipe, the second drainpipe and third
Drainpipe, and one end of the first drainpipe, the second drainpipe and third drainpipe is connected to the top of case lid, the first row
The surface of water pipe, the second drainpipe and third drainpipe is fixedly connected to second one-way valve.
Preferably, the surface of the protection pipe and be located at hull front be fixedly connected with the first sampling block, the protection
One end of pipe is communicated with the second sampling block, and the first sampling block bottom for sampling block with second is communicated with suction nozzle, and described second
The other end of drinking-water pipe and third drinking-water pipe with first sampling block inner surface be connected to, the other end of first drinking-water pipe and
The inner surface connection of second sampling block.
Preferably, the front of the hull and be located at first sampling block with second sample block the back side be fixedly connected to electricity
Magnet.
(3) beneficial effect
The present invention provides environmental project water bodys to detect sampler.Has following beneficial effect：
(1), the environmental project detects sampler with water body, by being rotatablely connected between first support and second support
There is crankshaft, piston cylinder is fixedly connected between first support and second support and below crankshaft, the inside of piston cylinder is sliding
It is dynamic to be connected with piston, and push rod is fixedly connected at the top of piston, and the top of push rod is rotatably connected to connecting rod, the top of connecting rod
It is fixedly connected with sliding sleeve, and sliding sleeve is set in the surface of crankshaft, by the rotation of crankshaft, three work can be driven using connecting rod simultaneously
Plug moves up and down, and then can extract water sample simultaneously, and three chambers are arranged in piston cylinder, can extract three groups of water samples simultaneously, make water sample
Detection it is more acurrate.
(2), the environmental project detects sampler with water body, by consolidating on the surface of protection pipe and positioned at the front of hull
Surely it is connected with the first sampling block, one end of protection pipe is communicated with the second sampling block, and the bottom of the first sampling block and the second sampling block
Portion is communicated with suction nozzle, and the other end of the second drinking-water pipe and third drinking-water pipe is connected to the inner surface of the first sampling block, and first
The other end of drinking-water pipe is connected to the inner surface of the second sampling block, and two first sampling blocks are distributed respectively with one second sampling block
In the different location of protection pipe surface, after being put into water, it can be respectively at different water depth, and then different depth can be extracted
Water is analyzed convenient for water quality of the later period to different water depth.
(3), the environmental project detects sampler with water body, is rotatably connected to by the top in support plate by ball
Winch spool, the bottom of winch spool are fixedly connected with sleeve, the surface of sleeve and are located at below support plate and are fixedly connected with first gear,
The top of first motor output shaft is fixedly connected with second gear, and the side of second gear and first gear are intermeshed, and are twisted
The surface of cylinder, which is run through, protection pipe, and the inside of protection pipe is connected with the first drinking-water pipe, the second drinking-water pipe and third respectively
Drinking-water pipe can drive winch spool rotation, by protection pipe using the cooperation of first gear, second gear and sleeve by first motor
It rolls, and then automatically withdraws the first drinking-water pipe, the second drinking-water pipe and third drinking-water pipe after sampling successfully, and protection pipe is set
Together with can collecting the first drinking-water pipe, the second drinking-water pipe with third drinking-water pipe, and the first drinking-water pipe, the second drinking-water pipe can be protected
With third drinking-water pipe.
(4), the environmental project detects sampler with water body, by the front of hull and being located at the first sampling block and the
The back side of two sampling blocks is fixedly connected to electromagnet, and the first sampling block and the second sampling block are adsorbed on hull using electromagnet
Front, launch when, can automatically by first sampling block with second sampling block decontrol, so that it is automatically fallen off submerged, use
Convenient, manually dive does not sample, time saving and energy saving.
Detailed description of the invention
Fig. 1 is schematic diagram of internal structure of the invention；
Fig. 2 is external structure schematic diagram of the invention；
Fig. 3 is the partial enlarged view in Fig. 1 of the present invention at A；
Fig. 4 is the partial enlarged view in Fig. 2 of the present invention at B；
Fig. 5 is the schematic diagram of internal structure of sampling cabinet of the present invention；
Fig. 6 is the structural schematic diagram of electromagnet of the present invention；
In figure, 1- hull, 2- first motor, 3- support plate, 4- winch spool, 5- sleeve, 6- first gear, 7- second gear,
8- first support, 9- second support, 10- crankshaft, 11- piston cylinder, 12- piston, 13- push rod, 14- connecting rod, 15- sliding sleeve, 16-
Two motors, 17- first pulley, the second belt wheel of 18-, 19- battery, 20- sampling cabinet, 21- protection pipe, the first drinking-water pipe of 22-,
The second drinking-water pipe of 23-, 24- third drinking-water pipe, the first check valve of 25-, 26- case lid, the first drainpipe of 27-, 28- second are drained
Pipe, 29- third drainpipe, 30- second one-way valve, 31- first sampling block, 32- second sample block, 33- suction nozzle, 34- electromagnet,
35- sampling bottle.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-6 is please referred to, the embodiment of the present invention provides a kind of technical solution：Environmental project detects sampler with water body,
Including hull 1, the bottom of 1 inner cavity of hull and be located at second support 9 left side be fixedly connected with the second motor 16, the second motor 16
The right end of output shaft is fixedly connected with first pulley 17, and the left end of crankshaft 10 is fixedly connected with the second belt wheel 18, and the second belt wheel
18 surface is sequentially connected by belt and first pulley 17, the bottom of 1 inner cavity of hull and be located at the left side of the second motor 16 from
Left-to-right be fixedly connected sequentially has battery 19 and sampling cabinet 20, and the internal activity of sampling cabinet 20 is connected with sampling bottle 35, twists
The surface of cylinder 4 is through there is a protection pipe 21, the surface of the protection pipe 21 and front for being located at hull 1 is fixedly connected with the first sampling block
31, one end of protection pipe 21 is communicated with the second sampling block 32, and the first sampling block 31 is connected to the bottom of the second sampling block 32
There is a suction nozzle 33, the other end of the second drinking-water pipe 23 and third drinking-water pipe 24 is connected to the inner surface of the first sampling block 31, and first
The other end of drinking-water pipe 22 is connected to the inner surface of the second sampling block 32, two first sampling blocks 31 and one second sampling block 32
It is respectively distributed to the different location on 21 surface of protection pipe, after being put into water, different water depth can be respectively at, and then can extract
The water of different depth is analyzed convenient for water quality of the later period to different water depth, and one end of protection pipe 21 through sleeve 5 and extends to
The lower section of sleeve 5, and the inside of protection pipe 21 is connected with the first drinking-water pipe 22, the second drinking-water pipe 23 and third respectively and draws water
Pipe 24 can drive winch spool 4 to rotate, will protect using the cooperation of first gear 6, second gear 7 and sleeve 5 by first motor 2
Pipe 21 is rolled, and then automatically withdraws the first drinking-water pipe 22, the second drinking-water pipe 23 and third drinking-water pipe 24 after sampling successfully, and
Together with setting protection pipe 21 can collect the first drinking-water pipe 22, the second drinking-water pipe 23 with third drinking-water pipe 24, and the can be protected
One drinking-water pipe 22, the second drinking-water pipe 23 and third drinking-water pipe 24, the first drinking-water pipe 22, the second drinking-water pipe 23 and third drinking-water pipe 24
One end be connected to the bottom of piston cylinder 11, and the surface of the first drinking-water pipe 22, the second drinking-water pipe 23 and third drinking-water pipe 24
It is fixedly connected to the first check valve 25, the top of sampling cabinet 20 is hinged with case lid 26, the front of hull 1 and is located at the first sampling
The back side of block 31 and the second sampling block 32 is fixedly connected to electromagnet 34, samples block 31 and second for first using electromagnet 34
Sampling block 32 is adsorbed on the front of hull 1, when launching, can automatically decontrol the first sampling block 31 and the second sampling block 32, make
It automatically falls off submerged, easy to use, and manually dive does not sample, and time saving and energy saving, the bottom of 1 inner cavity of hull is fixedly connected
Have a first motor 2, first motor 2 is phase asynchronous ac motor, can positive and negative rotation, the right side of 1 inner cavity of hull and be located at first
The top of motor 2 is fixedly connected with support plate 3, and the top of support plate 3 is rotatably connected to winch spool 4, the bottom of winch spool 4 by ball
Portion is fixedly connected with sleeve 5, and the bottom end of sleeve 5 runs through support plate 3 and extends to the lower section of support plate 3, the surface and position of sleeve 5
It is fixedly connected with first gear 6 in the lower section of support plate 3, the top of 2 output shaft of first motor is fixedly connected with second gear 7,
And the side of second gear 7 and first gear 6 are intermeshed, it is fixed between the bottom of 1 inner cavity of right side and hull of support plate 3 to connect
It is connected to first support 8, the bottom of 1 inner cavity of the hull and left side for being located at first support 8 is fixedly connected with second support 9, and first
Crankshaft 10 is rotatably connected between bracket 8 and second support 9, the left end of crankshaft 10 through second support 9 and extends to second
The left side of frame 9 is fixedly connected with piston cylinder 11, piston cylinder between first support 8 and second support 9 and positioned at the lower section of crankshaft 10
11 bottom has from left to right been sequentially communicated the first drainpipe 27, the second drainpipe 28 and third drainpipe 29, and the first draining
One end of pipe 27, the second drainpipe 28 and third drainpipe 29 is connected to the top of case lid 26, the first drainpipe 27, second row
The surface of water pipe 28 and third drainpipe 29 is fixedly connected to second one-way valve 30, second one-way valve 30 and the first check valve 25
It is contrary, the internal slide of piston cylinder 11 is connected with piston 12, and the top of piston 12 is fixedly connected with push rod 13, push rod
13 top runs through piston cylinder 11 and extends to the top of piston cylinder 11, and the top of push rod 13 is rotatably connected to connecting rod 14, even
The top of bar 14 is fixedly connected with sliding sleeve 15, and sliding sleeve 15 is set in the surface of crankshaft 10, can be simultaneously by the rotation of crankshaft 10
It drives three pistons 12 to move up and down using connecting rod 14, and then water sample can be extracted simultaneously, three chambers are set in piston cylinder 11, it can
Three groups of water samples are extracted simultaneously, keep the detection of water sample more acurrate.
In use, hull 1 is moved to lake surface by power device, then start first motor 2, first motor 2 drives
First gear 6 rotates, and is rotated using intermeshing second gear 7 with moving sleeve 5, and then rotate winch spool 4, by protection pipe 21
It unclamps, closes first motor 2 later, while powering off to electromagnet 34, the first sampling block 31, second samples 32 meeting of block under self weight
21 submerged of protection pipe is driven, the second motor 16 is then started, the second motor 16 drives first pulley 17 to rotate, passes through belt
It drives the second belt wheel 18 to rotate, rotates crankshaft 10, and then drive three connecting rods 14 to do lifting simultaneously and move back and forth, 14 band of connecting rod
Piston 12 is gone up and down, and water is pumped into work from different water levels from third drinking-water pipe 24 by the first drinking-water pipe 22, the second drinking-water pipe 23
In plug cylinder 11, then it is discharged in three sampling bottles 35, is taken by the first drainpipe 27, the second drainpipe 28, third drainpipe 29
After sample, close the second motor 16 simultaneously control 2 reverse starting of first motor, protection pipe 21 is rolled, make the first sampling block 31,
Second sampling block 32 is detached from the water surface, finally that hull 1 is mobile ashore, takes out sample.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. environmental project detects sampler, including hull (1) with water body, it is characterised in that：The bottom of hull (1) inner cavity
Be fixedly connected with first motor (2), the right side of hull (1) inner cavity and be located at first motor (2) above be fixedly connected with
Support plate (3), and the top of support plate (3) is rotatably connected to winch spool (4) by ball, the bottom of the winch spool (4) is fixed to be connected
It is connected to sleeve (5), the bottom end of the sleeve (5) runs through support plate (3) and extends to the lower section of support plate (3), the sleeve (5)
Surface and be located at support plate (3) below be fixedly connected with first gear (6), the top of first motor (2) output shaft
It is fixedly connected with second gear (7), and the side of second gear (7) and first gear (6) are intermeshed, the support plate (3)
Right side and hull (1) inner cavity bottom between be fixedly connected with first support (8), the bottom and position of hull (1) inner cavity
It is fixedly connected on the left of first support (8) second support (9), and the company of rotation between first support (8) and second support (9)
It is connected to crankshaft (10), the left end of the crankshaft (10) runs through second support (9) and extends to the left side of second support (9), described
Piston cylinder (11), the piston are fixedly connected between first support (8) and second support (9) and below crankshaft (10)
The internal slide of cylinder (11) is connected with piston (12), and push rod (13) are fixedly connected at the top of piston (12).
2. environmental project according to claim 1 detects sampler with water body, it is characterised in that：The push rod (13)
Top runs through piston cylinder (11) and extends to the top of piston cylinder (11), and the top of push rod (13) is rotatably connected to connecting rod
(14), the top of the connecting rod (14) is fixedly connected with sliding sleeve (15), and sliding sleeve (15) is set in the surface of crankshaft (10).
3. environmental project according to claim 1 detects sampler with water body, it is characterised in that：In the hull (1)
The bottom of chamber and be located at second support (9) on the left of be fixedly connected with the second motor (16), the second motor (16) output shaft
Right end be fixedly connected with first pulley (17), the left end of the crankshaft (10) is fixedly connected with the second belt wheel (18), and second
The surface of belt wheel (18) is sequentially connected by belt and first pulley (17).
4. environmental project according to claim 1 detects sampler with water body, it is characterised in that：In the hull (1)
The bottom of chamber and the left side for being located at the second motor (16) are from left to right fixedly connected sequentially and have battery (19) and sampling cabinet (20),
And the internal activity of sampling cabinet (20) is connected with sampling bottle (35), the surface of the winch spool (4), which is run through, to be had protection pipe (21), described
One end of protection pipe (21) runs through sleeve (5) and extends to the lower section of sleeve (5), and activity connects respectively for the inside of protection pipe (21)
It is connected to the first drinking-water pipe (22), the second drinking-water pipe (23) and third drinking-water pipe (24).
5. environmental project according to claim 4 detects sampler with water body, it is characterised in that：First drinking-water pipe
(22), one end of the second drinking-water pipe (23) and third drinking-water pipe (24) is connected to the bottom of piston cylinder (11), and first draws water
The surface of pipe (22), the second drinking-water pipe (23) and third drinking-water pipe (24) is fixedly connected to the first check valve (25), described to take
Case lid (26) are hinged at the top of sample case (20).
6. environmental project according to claim 1 detects sampler with water body, it is characterised in that：The piston cylinder (11)
Bottom be from left to right sequentially communicated the first drainpipe (27), the second drainpipe (28) and third drainpipe (29), and first
One end of drainpipe (27), the second drainpipe (28) and third drainpipe (29) is connected to the top of case lid (26), and described
The surface of one drainpipe (27), the second drainpipe (28) and third drainpipe (29) is fixedly connected to second one-way valve (30).
7. environmental project according to claim 4 detects sampler with water body, it is characterised in that：The protection pipe (21)
Surface and be located at hull (1) front be fixedly connected with the first sampling block (31), one end of the protection pipe (21) is communicated with
Second sampling block (32), and the bottom of the first sampling block (31) and the second sampling block (32) is communicated with suction nozzle (33), described the
The other end of two drinking-water pipes (23) and third drinking-water pipe (24) is connected to the inner surface of the first sampling block (31), and described first takes out
The other end of water pipe (22) is connected to the inner surface of the second sampling block (32).
8. environmental project according to claim 1 detects sampler with water body, it is characterised in that：The hull (1)
The back side that is positive and being located at the first sampling block (31) and the second sampling block (32) is fixedly connected to electromagnet (34).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810903313.6A CN108844781A (en) | 2018-08-09 | 2018-08-09 | Environmental project detects sampler with water body |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810903313.6A CN108844781A (en) | 2018-08-09 | 2018-08-09 | Environmental project detects sampler with water body |
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| CN109470523A (en) * | 2018-12-29 | 2019-03-15 | 安呈波 | A kind of water body layered sampling device |
| CN109470529A (en) * | 2018-12-29 | 2019-03-15 | 安呈波 | A kind of remote control type water body sampling device |
| CN109541161A (en) * | 2018-11-21 | 2019-03-29 | 环境保护部华南环境科学研究所 | A kind of packaged type monitoring water quality on line and prior-warning device |
| CN109574045A (en) * | 2018-12-10 | 2019-04-05 | 中盐枣阳盐化有限公司 | A kind of nitre slurry separating, washing device and its separation and washing method |
| CN109781462A (en) * | 2018-12-28 | 2019-05-21 | 中国环境科学研究院 | Device for fixed point sampling for water quality detection in city river |
| CN109781465A (en) * | 2019-02-01 | 2019-05-21 | 河海大学 | A kind of push type automatic water intaking device |
| CN109827811A (en) * | 2019-04-04 | 2019-05-31 | 张伟 | A kind of environmental project water body detection sampler |
| CN112362398A (en) * | 2020-10-26 | 2021-02-12 | 江苏旭龙水务有限公司 | Sewage sampling device and sewage sampling method |
| CN113484097A (en) * | 2021-08-20 | 2021-10-08 | 太原学院 | Pollutant sampling device for water environmental engineering detection |
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| CN112362398A (en) * | 2020-10-26 | 2021-02-12 | 江苏旭龙水务有限公司 | Sewage sampling device and sewage sampling method |
| CN113484097B (en) * | 2021-08-20 | 2023-03-21 | 太原学院 | Pollutant sampling device for water environmental engineering detection |
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