CN207445771U - A kind of water sample preprocessing apparatus - Google Patents
A kind of water sample preprocessing apparatus Download PDFInfo
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- CN207445771U CN207445771U CN201721395764.0U CN201721395764U CN207445771U CN 207445771 U CN207445771 U CN 207445771U CN 201721395764 U CN201721395764 U CN 201721395764U CN 207445771 U CN207445771 U CN 207445771U
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Abstract
The utility model discloses a kind of water sample preprocessing apparatus, belong to environmental monitoring technology field, it is desirable to provide a kind of water sample preprocessing apparatus, its key points of the technical solution are that：Including water box, water box side wall offers inlet opening at cassette bottom, water box cassette bottom is equipped with vertical partition plate, partition plate side wall offers apopore close to one end of box mouth, water box are equipped with vertical baffle in partition plate away from the one side of inlet opening, the upper end of partition plate and baffle is flushed with water box box mouth, there are spacing with water box cassette bottom for baffle lower end, baffle is equipped with to cover the first filter screen of spacing between baffle lower end and water box cassette bottom towards the one side of partition plate, away from the second filter screen is connected between the one side of partition plate and water box box wall, advantage is baffle：It by the advance filtering to water sample, reduces large granular impurity and enters analyzer, analyzer is caused to block the situation of damage.
Description
Technical field
The utility model is related to environmental monitoring technology field, more particularly to a kind of water sample preprocessing apparatus.
Background technology
Water is Source of life, and the mankind be unable to do without water in life and production activity, the quality of Drinking Water water quality with
Human health is closely related, but in the process of social development, a large amount of rivers are contaminated, and the water source of people is caused to be affected,
Therefore either the angle of mankind itself's health is still safeguarded from the angle of environmental protection, be required for supervising water quality of river
It surveys.
Notification number is that the Chinese patent of CN2574059Y discloses a kind of water quality on-line automatic analyzer accumulated samples device,
The device is mainly by miniature immersible pump, from water alarm probe, water sample pipeline, sampling solenoid valve, water sample cup and stock layout solenoid valve block
Into.Protection network outside miniature immersible pump is installed, is installed in pump from water alarm probe.Sampling is installed between the outlet of pump and water sample cup
Solenoid valve is connected between the outlet of pump, sampling solenoid valve and water sample cup with water sample pipeline.Water sample pipeline is set at pump discharge
Put back into water pipeline.The upper top installation overflow pipe of water sample cup, installs stock layout solenoid valve below water sample cup, below stock layout solenoid valve
Water sample discharge pipe is installed.Real real time on-line monitoring is realized by such COD on-line automatic analyzers, but analyzer exists
The river water of extraction carries a large amount of sundries, if not without pretreatment, it is likely that block analyzer.
Utility model content
The purpose of this utility model is to provide a kind of water sample preprocessing apparatus, and advantage is：Pass through the advance mistake to water sample
Filter reduces large granular impurity and enters the situation that analyzer causes analyzer to block damage.
The above-mentioned technical purpose of the utility model technical scheme is that：A kind of water sample pretreatment dress
It puts, including water box, the water box side wall offers inlet opening at cassette bottom, and the water box cassette bottom is equipped with vertical partition plate, institute
It states partition plate side wall and offers apopore close to one end of box mouth, the water box are equipped with vertically in partition plate away from the one side of inlet opening
The upper end of baffle, the partition plate and baffle is flushed with water box box mouth, and the baffle lower end and water box cassette bottom are described there are spacing
Baffle is equipped with to cover the first filter screen of spacing between baffle lower end and water box cassette bottom, the baffle towards the one side of partition plate
The second filter screen is connected between the one side of partition plate and water box box wall.
Through the above technical solutions, the water extracted out in river is flowed into from inlet opening in water box, when water level rises to water outlet
Will be flowed into the cavity between partition plate and baffle during hole site, water level gradually rise from bottom to top may be such that it is heavier in water sample
Impurity first precipitates, preliminary filtering；When current are by the first filter screen, secondary filtering is carried out, subsequently into gear
In cavity between plate and water box box wall, when after water level rises and covering the second filter screen, third time filtering is carried out, process is triple
The drinking-water pipe that water after filtering is analyzed instrument extracts, and reduces large granular impurity in water sample and blocks analyzer, even results in analysis
The possibility of instrument damage.
The utility model is further arranged to：It is equipped with the first filter screen being fixed on baffle sidewall in the water box
Fixing piece, the baffle and the opposite both sides of water box box wall are equipped with the supporting block for being used to support the second filter screen, the water
Be equipped with the limited part the second filter screen being pressed in supporting block in box.
Through the above technical solutions, fixing piece causes what the first filter screen stablized to be attached on baffle, improve connection can
By property, and limited part then avoids the situation that the water level drive that the second filter screen is raised is floated upwards.
The utility model is further arranged to：First filter screen includes strainer one and for encasing one edge of strainer
Frame one, the water box cassette bottom offer the embedded groove being inserted into for frame one, and the fixing piece includes being arranged in baffle sidewall
And positioned at the connecting rod of one top of frame, the connecting rod edge extends outwardly away from baffle direction, the one end of the connecting rod away from baffle
Pressing plate is hinged with, the one end of the pressing plate away from connecting rod is equipped with the embedded block stretched into baffle, is offered on the baffle for embedding
Enter the groove of block insertion, the groove cell wall is equipped with several elastic bumps, when the embedded block be inserted into together through frame it is recessed
When in slot, frame one is pressed on baffle by the pressing plate, and the frame one is equipped with the through hole passed through for embedded block.
Through the above technical solutions, first by the lower end of frame one insertion embedded groove, then the upper end of frame one with
Baffle is bonded, and rotates pressing plate, and embedded block is inserted into after passing through through hole in groove, and elastic bumps are subject to the extruding of embedded block and generate bullet
Property deformation be provided with elastic-restoring force, embedded block is clamped in groove, so that the edge of frame one is pushed against on baffle, is subtracted
The situation that small first filter screen is broken up by current.
The utility model is further arranged to：The baffle is equipped with several fixing pieces in sustained height.
Through the above technical solutions, the multiple fixing pieces set strengthen the fastness that the first filter screen is bonded with baffle and
Stability.
The utility model is further arranged to：Second filter screen includes strainer two and for encasing two edge of strainer
Frame two, the limited part include the sliding shoe that vertical sliding is connected to water box box wall and baffle opposite sides, the water box box
Wall and baffle sidewall offer the sliding groove for sliding shoe movement, and the sliding shoe is perpendicular to the both ends of sliding groove length direction
Sliding is connected with clamping block, and the shifting chute slided for clamping block, the clamping block and shifting chute are offered on the sliding shoe
Between be connected with compression spring, when the sliding shoe is moved to sliding groove slot bottom, the sliding shoe is contradicted with frame two, described
Sliding groove offers the buckling groove for clamping block insertion with respect to two cell walls, and push/pull slot is offered on two clamping blocks,
The push/pull slot extends water outlet box box wall.
Through the above technical solutions, moving down sliding shoe, clamping block is compressed in by the cell wall of sliding groove in shifting chute, and
Compression spring, which is compressed, is provided with elastic-restoring force, and when sliding shoe passes through buckling groove, clamping block is returned in the elasticity of compression spring
Shifting chute is pushed out under multiple power effect, and is inserted into buckling groove, so as to which the position of sliding shoe be fixed, the lower end of sliding shoe at this time
It is contradicted with the edge of the second filter screen, the second filter screen is pressed in supporting block, and then avoided and cause since water level rises
The situation that second filter screen floats upwards；When dismantling the second filter screen, catching on push/pull slot with finger can be easily by clamping
Block is slided into shifting chute, removes sliding shoe then up, can disassemble the second filter screen, convenient and efficient, saves behaviour
Make personnel's strength.
The utility model is further arranged to：The cleaning of the first filter screen of cleaning and the second filter screen is equipped in the water box
Device.
Through the above technical solutions, the first filter screen and the second filter screen can cause clogging after long-term filtering, and
It can be cleaned by cleaning device, improve the filter effect of first, second filter screen.
The utility model is further arranged to：The cleaning device includes being rotatably connected on water box with respect to turn in box wall
Roller has several brush boards, several one end of the brush board away from transfer roller on the transfer roller outer wall along the axial line circumferential array of transfer roller
Bristle is equipped with, the bristle contradicts respectively with the first filter screen and the second filter screen, and the water box box wall is equipped with waterproof axis
It holds, one end of the transfer roller passes through the inner ring of water-sealed bearing and extends to outside water box, and the transfer roller is equipped with rocking bar in external part.
Through the above technical solutions, rotating rocker drives transfer roller to rotate, bristle will wash first, second filter screen
Brush removes the impurity on first, second filter screen, and so as to improve filter effect, reducing impurity and entering analyzer causes
The situation that analyzer blocks.
The utility model is further arranged to：The water box are equipped with the closing cap of closing water box box mouth, the closing cap
On offer and stretch into the water intaking hole in water box for analyzer water pipe, the water intaking hole is opposite with the second filter screen.
Through the above technical solutions, closing cap, which reduces external impurities, falls into water box so that the contaminated situation of water sample subtracts
Small interference of the extraneous factor to analysis result, so as to improve precision of analysis, also reduces sundries and enters analysis
The possibility of instrument.
In conclusion the utility model has the advantages that：
1st, the triple filter carried out by partition plate, the first filter screen and the second filter screen to water sample, reduces in water sample
Large granular impurity enters so as to reduce impurity in analyzer, and analyzer is caused to block the situation of even damage；
2nd, cleaning device improves the filter effect of the first filter screen and the second filter screen, miscellaneous in water sample so as to reduce
Matter.
Description of the drawings
Fig. 1 is the overall structure diagram of the present embodiment；
Fig. 2 is the present embodiment for the first filter screen of embodiment and the structure diagram of the second filter screen；
Fig. 3 is the close-up schematic view in A portions in Fig. 2；
Fig. 4 is that the present embodiment is used to embody embedded block and the structure diagram of groove connection relation；
Fig. 5 is the close-up schematic view in B portions in Fig. 4；
Fig. 6 is that the present embodiment is used to embody clamping block and the structure diagram of shifting chute connection relation.
Reference numeral：1st, water box；11st, inlet opening；12nd, partition plate；121st, apopore；13rd, baffle；14th, the first filter screen；
141st, strainer one；142nd, frame one；1421st, through hole；15th, supporting block；16th, the second filter screen；161st, strainer two；162nd, frame
Two；17th, embedded groove；2nd, connecting rod；21st, pressing plate；22nd, embedded block；23rd, groove；231st, elastic bumps；3rd, sliding shoe；31st, it is clamped
Block；311st, push/pull slot；32nd, shifting chute；321st, spring is compressed；33rd, sliding groove；34th, buckling groove；4th, transfer roller；41st, brush board；411、
Bristle；42nd, water-sealed bearing；43rd, rocking bar；5th, closing cap；51st, water intaking hole.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Wherein identical parts are presented with like reference characters.It should be noted that word used in the following description
Language "front", "rear", "left", "right", "up" and "down" refer to the direction in attached drawing, word " bottom surface " and " top surface ", " interior " and
" outer " is referred respectively to towards or away from the direction of particular elements geometric center.
Embodiment：A kind of water sample preprocessing apparatus, as shown in Figure 1, including water box 1, water box 1 are in rectangular-shape, 1 side of water box
Wall offers inlet opening 11 at cassette bottom, is equipped with vertical partition plate 12 in water box 1,12 side wall of partition plate is opened close to one end of box mouth
Equipped with apopore 121, water box 1 are equipped with vertical baffle 13, partition plate 12 and baffle 13 in partition plate 12 away from the one side of inlet opening 11
Upper end flushed with 1 box mouth of water box, the water extracted out in river from inlet opening 11 flow into water box 1 in, when water level rises to out
It will be flowed into the cavity between partition plate 12 and baffle 13 during 121 position of water hole, water level gradually rises may be such that water from bottom to top
Heavier impurity first precipitates in sample, preliminary filtering.
As shown in Figure 1,13 lower end of baffle and 1 cassette bottom of water box, there are spacing, baffle 13 is equipped with towards the one side of partition plate 12 and uses
The first filter screen 14 of spacing between 1 cassette bottom of 13 lower end of baffle and water box is covered when current are by the first filter screen 14, carries out
Secondary filtering；Last current enter in the cavity between 1 box wall of baffle 13 and water box, and baffle 13 deviates from the one side of partition plate 12
It is connected with the second filter screen 16 between 1 box wall of water box, the second filter screen 16 is horizontally disposed, after water level rises and covers the second mistake
During strainer 16, third time filtering is carried out, the drinking-water pipe that the water so after triple filter is analyzed instrument extracts, and reduces water sample
Middle large granular impurity blocks analyzer, even results in the possibility of analyzer damage.
Further, as shown in Fig. 2, water box 1 are equipped with the closing cap 5 of closing 1 box mouth of water box, also fetch water on closing cap 5
Hole 51,51 and second filter screen 16 of water intaking hole is opposite, and analyzer stretches into second when carrying out sample inspection, by its water pipe from water intaking hole 51
It draws water in 16 upper area of filter screen, reduces external impurities and fall into water box 1 so that the contaminated situation of water sample reduces outer
Interference of boundary's factor to analysis result, so as to improve precision of analysis.
As shown in Figure 3 and Figure 4, for convenience to the first filter screen 14 and 16 detachable maintaining of the second filter screen and replacement, the
One filter screen 14 and the second filter screen 16 are to be detachably connected, therefore when carrying out second of filtering, in order to which first is filtered
Net 14（Such as Fig. 3）It is stably fixed on partition plate 13, is equipped with to fix the fixing piece of the first filter screen 14 in water box 1.First mistake
Strainer 14 includes strainer 1 and the frame 1 for encasing one 141 edge of strainer, passes through one 142 pairs of strainers one of frame
141 are strengthened, and improve the rate of tension of strainer 1.
As shown in Figure 2 and Figure 4, in the embedded groove 17 first opened up one 142 lower end of frame insertion 1 cassette bottom of water box, then
The upper end of frame 1 is attached on baffle 13, fixing piece includes being arranged on 13 side wall of baffle and positioned at one 142 top of frame
Connecting rod 2, connecting rod 2 extends outwardly along away from 13 direction of baffle, and the one end of connecting rod 2 away from baffle 13 is hinged with pressing plate 21, pressing plate
21 one end away from connecting rod 2 are equipped with the embedded block 22 stretched into baffle 13, are offered on baffle 13 for the recessed of the insertion of embedded block 22
Slot 23,23 cell wall of groove are equipped with several elastic bumps 231.
After above-mentioned technical proposal, as shown in Figure 2 and Figure 4, when embedded block 22 through frame 1 and is inserted into groove 23
When, frame 1 is pressed on baffle 13 by pressing plate 21, and frame 1 is equipped with the through hole 1421 passed through for embedded block 22, this
When elastic bumps 231 be subject to the extruding of embedded block 22 and generate elastic deformation and be provided with elastic-restoring force, by 22 clamping of embedded block
In groove 23, so as to which the edge of the first filter screen 14 is pushed against on baffle 13, reduces the first filter screen 14 and rushed by current
Scattered situation, while baffle 13 is equipped with several fixing pieces in sustained height, strengthens what the first filter screen 14 was bonded with baffle 13
Fastness and stability.
As shown in Figure 3 and Figure 6, the both sides opposite with 1 box wall of water box of baffle 13, which are equipped with, is used to support the second filter screen 16
Supporting block 15, when carrying out third time and filtering, with the rising of water level, second filter screen 16 it is possible that float upwards
Situation, therefore be equipped with the limited part the second filter screen 16 being pressed in supporting block 15 in water box 1.
As shown in Figure 3 and Figure 6, the second filter screen 16 includes strainer 2 161 and the frame for encasing 2 161 edge of strainer
2 162, the rate of tension of strainer 2 161 is improved by frame 2 162 first, also adds somewhat to the weight of strainer 2 161
It measures, then limited part then includes the sliding shoe 3 that vertical sliding is connected to 13 opposite sides of 1 box wall of water box and baffle, 1 box wall of water box
The sliding groove 33 moved for sliding shoe 3 is offered with 13 side wall of baffle, sliding shoe 3 is perpendicular to the two of 33 length direction of sliding groove
End sliding is connected with clamping block 31, and the shifting chute 32 slided for clamping block 31, clamping block 31 and movement are offered on sliding shoe 3
Compression spring 321 is connected between slot 32.
In its natural state, as shown in figures 1 to 6, clamping block 31 is against by 33 cell wall of sliding groove in shifting chute 32, compression
Spring 321, which is in, to be compressed and is provided with elastic-restoring force, when fixing the second filter screen 16, moves down sliding shoe 3, until
Sliding shoe 3 is contradicted with 33 slot bottom of sliding groove, and sliding shoe 3 is contradicted with frame 2 161 at this time, and frame 2 161 is pressed on support
On block 15, while sliding groove 33 opens up buckling groove 34 with respect to two cell walls, and clamping block 31 is in the elastic-restoring force of compression spring 321
Shifting chute 32 is pushed out under effect, and is inserted into buckling groove 34.
As shown in fig. 6, compressing clamping block 31 for convenience, push/pull slot 311, push/pull slot 311 are offered on clamping block 31
Width be less than clamping block 31 width, push/pull slot 311 extend 1 box wall of water outlet box, with finger catch on push/pull slot 311 and will clamping
The compression of block 31 enters in shifting chute 32, slides up place's sliding shoe 3 then along sliding groove 33, can tear the second filter screen 16 open
Under, it is convenient and efficient.
As shown in figure 3, the first filter screen 14 and the second filter screen 16 can cause clogging after long-term filtering, influenced
Effect is filtered, for such case, the cleaning device of the first filter screen 14 of cleaning and the second filter screen 16 is equipped in water box 1, and it is clear
Cleaning device includes being rotatably connected on water box 1 with respect to the transfer roller 4 in box wall, along the axial line circumferential array of transfer roller 4 on 4 outer wall of transfer roller
Have several brush boards 41, several one end of brush board 41 away from transfer roller 4 are equipped with bristle 411, bristle 411 respectively with the first filter screen 14
It is contradicted with the second filter screen 16,1 box wall of water box is equipped with water-sealed bearing 42, and one end of transfer roller 4 passes through the inner ring of water-sealed bearing 42
And extend to outside water box 1, transfer roller 4 is equipped with rocking bar 43 in external part, and rotating rocker 43 drives transfer roller 4 to rotate, and bristle 411 will be right
First filter screen 14 and the second filter screen 16 are scrubbed, and the impurity on the first filter screen 14 and the second filter screen 16 is removed,
So as to improve filter effect, reduce impurity and enter the situation that analyzer causes analyzer to block.
This specific embodiment is only explanation to the utility model, is not the limitation to the utility model, ability
Field technique personnel can as needed make the present embodiment the modification of no creative contribution after this specification is read, but
As long as it is all protected in the right of the utility model be subject to Patent Law.
Claims (8)
1. a kind of water sample preprocessing apparatus, it is characterised in that：Including water box（1）, the water box（1）Side wall opens up at cassette bottom
There is inlet opening（11）, the water box（1）Cassette bottom is equipped with vertical partition plate（12）, the partition plate（12）Side wall is close to one end of box mouth
Offer apopore（121）, the water box（1）In partition plate（12）Away from inlet opening（11）One side be equipped with vertical baffle
（13）, the partition plate（12）And baffle（13）Upper end and water box（1）Box mouth flushes, the baffle（13）Lower end and water box
（1）There are spacing, the baffles for cassette bottom（13）Towards partition plate（12）One side be equipped with for covering baffle（13）Lower end and water box
（1）First filter screen of spacing between cassette bottom（14）, the baffle（13）Away from partition plate（12）One side and water box（1）Between box wall
It is connected with the second filter screen（16）.
2. a kind of water sample preprocessing apparatus according to claim 1, it is characterised in that：The water box（1）Interior be equipped with is used for
By the first filter screen（14）It is fixed on baffle（13）Fixing piece on side wall, the baffle（13）And water box（1）Box wall is opposite
Both sides, which are equipped with, is used to support the second filter screen（16）Supporting block（15）, the water box（1）It is interior to be equipped with the second filter screen
（16）It is pressed on supporting block（15）On limited part.
3. a kind of water sample preprocessing apparatus according to claim 2, it is characterised in that：First filter screen（14）Including
Strainer one（141）With for encasing strainer one（141）The frame one at edge（142）, the water box（1）Cassette bottom is offered for frame
One（142）The embedded groove of insertion（17）, the fixing piece is including being arranged on baffle（13）On side wall and positioned at frame one（142）On
The connecting rod of side（2）, the connecting rod（2）Along away from baffle（13）Direction extends outwardly, the connecting rod（2）Away from baffle（13）One
End is hinged with pressing plate（21）, the pressing plate（21）Away from connecting rod（2）One end be equipped with stretch into baffle（13）Interior embedded block（22）,
The baffle（13）On offer for embedded block（22）The groove of insertion（23）, the groove（23）If cell wall is equipped with dry elasticity
Protrusion（231）, when the embedded block（22）Through frame one（142）And it is inserted into groove（23）When interior, the pressing plate（21）By side
Frame one（142）It is pressed on baffle（13）On, the frame one（142）It is equipped with for embedded block（22）The through hole passed through（1421）.
4. a kind of water sample preprocessing apparatus according to claim 3, it is characterised in that：The baffle（13）In sustained height
Equipped with several fixing pieces.
5. a kind of water sample preprocessing apparatus according to claim 2, it is characterised in that：Second filter screen（16）Including
Strainer two（161）With for encasing strainer two（161）The frame two at edge（162）, the limited part, which includes sliding vertically, to be connected
In water box（1）Box wall and baffle（13）The sliding shoe of opposite sides（3）, the water box（1）Box wall and baffle（13）Side wall is opened
Equipped with for sliding shoe（3）Mobile sliding groove（33）, the sliding shoe（3）Perpendicular to sliding groove（33）The both ends of length direction are equal
Sliding is connected with clamping block（31）, the sliding shoe（3）On offer for clamping block（31）The shifting chute of slip（32）, the card
Connect block（31）And shifting chute（32）Between be connected with compression spring（321）, when the sliding shoe（3）It is moved to sliding groove（33）Slot
During bottom, the sliding shoe（3）With frame two（162）It contradicts, the sliding groove（33）It is offered for clamping block with respect to two cell walls
（31）The buckling groove of insertion（34）, two clamping blocks（31）On offer push/pull slot（311）, the push/pull slot（311）
Extend water outlet box（1）Box wall.
6. a kind of water sample preprocessing apparatus according to claim 1, it is characterised in that：The water box（1）It is interior to be equipped with cleaning
First filter screen（14）With the second filter screen（16）Cleaning device.
7. a kind of water sample preprocessing apparatus according to claim 6, it is characterised in that：The cleaning device includes the company of rotation
It is connected on water box（1）With respect to the transfer roller in box wall（4）, the transfer roller（4）Along transfer roller on outer wall（4）If axial line circumferential array have
Dry brush board（41）, several brush boards（41）Away from transfer roller（4）One end be equipped with bristle（411）, the bristle（411）Respectively
With the first filter screen（14）With the second filter screen（16）It contradicts, the water box（1）Box wall is equipped with water-sealed bearing（42）, described turn
Roller（4）One end pass through water-sealed bearing（42）Inner ring and extend to water box（1）Outside, the transfer roller（4）It is equipped with and shakes in external part
Bar（43）.
8. a kind of water sample preprocessing apparatus according to claim 1, it is characterised in that：The water box（1）It is equipped with closing
Water box（1）The closing cap of box mouth（5）, the closing cap（5）On offer and stretch into water box for analyzer water pipe（1）Interior water intaking hole
（51）, the water intaking hole（51）With the second filter screen（16）Relatively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721395764.0U CN207445771U (en) | 2017-10-25 | 2017-10-25 | A kind of water sample preprocessing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721395764.0U CN207445771U (en) | 2017-10-25 | 2017-10-25 | A kind of water sample preprocessing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207445771U true CN207445771U (en) | 2018-06-05 |
Family
ID=62281868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201721395764.0U Active CN207445771U (en) | 2017-10-25 | 2017-10-25 | A kind of water sample preprocessing apparatus |
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| Country | Link |
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| CN (1) | CN207445771U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110652781A (en) * | 2019-07-26 | 2020-01-07 | 叶钰莹 | Sewage treatment equipment for city |
| CN111501475A (en) * | 2020-05-06 | 2020-08-07 | 深圳市骏龙达建筑工程有限公司 | Town road drainage structures |
-
2017
- 2017-10-25 CN CN201721395764.0U patent/CN207445771U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110652781A (en) * | 2019-07-26 | 2020-01-07 | 叶钰莹 | Sewage treatment equipment for city |
| CN110652781B (en) * | 2019-07-26 | 2021-06-29 | 广东省九建建设集团有限公司 | Sewage treatment equipment for city |
| CN111501475A (en) * | 2020-05-06 | 2020-08-07 | 深圳市骏龙达建筑工程有限公司 | Town road drainage structures |
| CN111501475B (en) * | 2020-05-06 | 2021-11-16 | 深圳市骏龙达建筑工程有限公司 | Town road drainage structures |
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