CN106840827A - A kind of water sample multistage pretreatment unit - Google Patents
A kind of water sample multistage pretreatment unit Download PDFInfo
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- CN106840827A CN106840827A CN201710193370.5A CN201710193370A CN106840827A CN 106840827 A CN106840827 A CN 106840827A CN 201710193370 A CN201710193370 A CN 201710193370A CN 106840827 A CN106840827 A CN 106840827A
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- pond
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- sampling
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 95
- 238000005070 sampling Methods 0.000 claims abstract description 37
- 238000004140 cleaning Methods 0.000 claims abstract description 19
- 238000000151 deposition Methods 0.000 claims description 45
- 238000001914 filtration Methods 0.000 claims description 39
- 238000010926 purge Methods 0.000 claims description 11
- 239000002351 wastewater Substances 0.000 claims description 8
- 239000002699 waste material Substances 0.000 claims description 7
- 239000010963 304 stainless steel Substances 0.000 claims description 6
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 claims description 6
- 230000037452 priming Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 6
- 239000000523 sample Substances 0.000 description 51
- 239000010865 sewage Substances 0.000 description 5
- 230000029087 digestion Effects 0.000 description 4
- 238000007781 pre-processing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical group [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/093—Cleaning containers, e.g. tanks by the force of jets or sprays
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Mechanical Engineering (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The present invention provides a kind of water sample multistage pretreatment unit, including sampling front-end unit, integral type treatment pond, sampling backend unit, cleaning unit and control unit；The sampling front-end unit, integral type treatment pond, sampling backend unit are sequentially connected by sample water lines by water (flow) direction, and the sample water lines are provided with sampling valve；The cleaning unit connects the integral type treatment pond, and the sampling front-end unit, sampling backend unit, cleaning unit and sampling valve control working condition by described control unit.The present invention can repeatedly be precipitated to water sample, filtered, while realizing backwash, realize improving the stability of a system, reduce maintenance workload.
Description
Technical field
The present invention relates to a kind of sewage quality monitoring device, more particularly to a kind of water sample preprocessing apparatus.
Background technology
In sewage quality monitoring process, water quality on-line monitoring instrument device substantially all using precise part make, but at present by
More complicated in monitored water sample situation, the water quality of sewage network or Sewage Plant water inlet is dirtier, the impurity such as suspended particulate in water sample
Easily block the instrument pipeline of precision.The existing water sample preprocessor of existing market only possesses precipitation and filtering function mostly, leads
The shortcomings such as cause, easy pollution under-represented to the analysis of water sample, difficult clean and maintenance maintenance workload big.
The Chinese invention that 2011-10-19 discloses 102221497A discloses a kind of water sample preprocessing apparatus, including enters
The mouth of a river, filter element and delivery port, further including heater block, are arranged between water inlet and filter element, to water sample
It is heated to predetermined temperature；Ultraviolet digestion part, is arranged between water inlet and filter element, and ultraviolet digestion is carried out to water sample.Should
Device is heated and ultraviolet digestion treatment to water sample before filtration so that what is existed in solid form is phosphorous, nitrogenous etc. organic
Thing is dissolved in water after decomposing, and prevents it to be filtered, and improves the reliability and objectivity of the monitoring measurement of water sample preprocessing apparatus；
And because fraction solids organic matter fully dissolves, the inconvenience of appearance and the cleaning of stopping state is reduced, improve filtering
Speed.Although the invention only can to a certain extent improve stopping state by way of heating and ultraviolet digestion, this to change
Kind effect can increase energy consumption still than relatively limited.
The Chinese invention that 2015-05-13 discloses 104614219A discloses a kind of water sample preprocessing apparatus, including case
Body, water inlet pipe, overflow pipe, drainpipe, backwash tube, agitator, filter and probe tube；The casing include pretreatment lid and
Pretreatment box, pretreatment lid is fixedly connected with pretreatment box by screw；Filter and agitator are fixed at pretreatment lid
Go up and reach inside pretreatment box；Agitator includes motor and stirring knife, motor drive connection stirring knife；Water inlet pipe is located at pretreatment box
Left side lower end, overflow pipe is located at pretreatment box left side upper end, and drainpipe is located at pretreatment box bottom centre position；Backwash tube is consolidated
Surely it is located on filter and extend into filter；Probe tube is located on filter and extend into filter lower end.The invention energy
The treatment effeciency of water sample, the cleaning of aggrandizement apparatus and maintenance period are improved, cleaning and the maintenance difficulties of device are reduced.But due to only
Carried out in a casing, only make coagulation, the water sample for not only processing is limited, and the effect for improving is not still obvious.
The content of the invention
The technical problem to be solved in the present invention, is to provide a kind of water sample multistage pretreatment unit, and water sample can be carried out
Repeatedly precipitation, filtering, while realizing backwash, realizes improving the stability of a system, reduces maintenance workload.
What the present invention was realized in：A kind of water sample multistage pretreatment unit, including the treatment of sampling front-end unit, integral type
Pond, sampling backend unit, cleaning unit and control unit；The sampling front-end unit, integral type treatment pond, sampling rear end
Unit is sequentially connected by sample water lines by water (flow) direction；The cleaning unit connects the integral type treatment pond, described to adopt
Sample front end unit, sampling backend unit and cleaning unit control working condition by described control unit.
Further, the integral type treatment pond includes the single filter pond, the two grades of mistakes that are sequentially connected by water (flow) direction
Filter tank, one-level depositing reservoir and two grades of depositing reservoirs；The inside in the single filter pond and cascade filtration pond is equipped with screen pack；Institute
State and be equipped with cover plate above integral type treatment pond；And single filter pond, cascade filtration pond, one-level depositing reservoir and two grades are clear
The bottom in clear pond is provided with discharge outlet.
Further, the single filter pond, cascade filtration pond, one-level depositing reservoir and two grades of depositing reservoirs are successively from high
Screen pack in low setting and the single filter pond is 80 mesh screen packs, and the screen pack in the cascade filtration pond is 200 mesh
Screen pack.
Further, integral type treatment pond also includes one 304 stainless steel casings, the single filter pond, two grades
Filtering ponds, one-level depositing reservoir and two grades of depositing reservoirs are integrated in the 304 stainless steel casing.
Further, the cleaning unit includes running water supervisor, purge valve and running water branch pipe water branch pipe；It is described from
Water supervisor is respectively by the running water branch pipe connection single filter pond, cascade filtration pond, one-level depositing reservoir and two grades
Depositing reservoir；Purge valve is provided with the running water supervisor or running water branch pipe state ball valve and motor-driven valve.
Further, water sample of the invention multistage pretreatment unit also includes a wastewater disposal basin, the single filter pond, two grades
Filtering ponds, one-level depositing reservoir and two grades of discharge outlet of the bottom of depositing reservoir connect the wastewater disposal basin by waste line, and
Drain valve is provided with the waste line.
Further, the sampling front-end unit includes sample pond, grid of water intake, manually self priming pump, regulation ball valve, pressure
Power table, sample introduction motor-driven valve；The grid of water intake is located in sample pond and surrounds a water intaking space, self priming pump one end connection
The water intaking space, it is electronic that the other end is sequentially connected the manual regulation ball valve, pressure gauge, sample introduction by the sample water lines
Valve.
The invention has the advantages that：After integral type treatment pond can repeatedly be precipitated to water sample, be filtered again
Sampled, greatly improved the effect of filtering so that sample detecting is more accurate, while can be realized by cleaning unit it is right
Integral type processes pond automatic backwash, improves the stability of a system, reduces the workload safeguarded.
Brief description of the drawings
The present invention is further illustrated in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the structural representation of water sample multistage pretreatment unit of the present invention.
Fig. 2 is the external structure schematic diagram that integral type of the present invention processes pond.
Fig. 3 is the main circuit structure schematic diagram of control unit of the present invention.
Fig. 4 is the workflow diagram of water sample multistage pretreatment unit of the present invention.
Specific embodiment
Refer to shown in Fig. 1 to Fig. 3, water sample multistage pretreatment unit of the invention, including sampling front-end unit 1, one
Formula treatment pond 2, sampling backend unit 3, cleaning unit 4 and control unit 5；The sampling front-end unit 1, integral type processes water
Pond 2, sampling backend unit 3 are sequentially connected by sample water lines 6 by water (flow) direction；The cleaning unit 4 connects the integral type
Treatment pond 2, the sampling front-end unit 1, sampling backend unit 3 and cleaning unit 4 control work by described control unit
Make state.
Mainly as shown in figure 1, the sampling front-end unit 1 includes sample pond 11, grid of water intake 12, self priming pump 13, hand
Dynamic regulation ball valve 14, pressure gauge 15, sample introduction motor-driven valve 16；The grid of water intake 12 is located in sample pond 11 and surrounds a water intaking
Space 17, one end of the self priming pump 13 connects the water intaking space 17, and the other end is sequentially connected described by the sample water lines 6
Ball valve 14, pressure gauge 15, sample introduction motor-driven valve 16 are adjusted manually.
Mainly as depicted in figs. 1 and 2, the integral type treatment pond includes the single filter being sequentially connected by water (flow) direction
Pond 21, cascade filtration pond 22, one-level depositing reservoir 23 and two grades of depositing reservoirs 24, also including one 304 stainless steel casings 25, described one
Level filtering ponds 21, cascade filtration pond 22, one-level depositing reservoir 23 and two grades of depositing reservoirs 24 are integrated in the 304 stainless steel casing 25
It is interior；The inside in the single filter pond 21 and cascade filtration pond 22 is equipped with screen pack, wherein, 21 filtering in single filter pond
Net is 80 mesh screen packs 211, and the screen pack in the cascade filtration pond 22 is 200 mesh screen packs 221.The single filter pond
21st, the top in cascade filtration pond 22, one-level depositing reservoir 23 and two grades of depositing reservoirs 24 is equipped with cover plate 26；Two grades of depositing reservoirs
24 tail end is provided with overfall 242, and single filter pond 21, cascade filtration pond 22, one-level depositing reservoir 23 and two grades of depositing reservoirs
24 bottom is provided with discharge outlet 27.Sample water is evacuated to single filter pond 21 by sampling front-end unit 1, through single filter pond 21 and two grades
Filtering ponds 22 reach one-level depositing reservoir 23 after filtering, then are overflow to two grades of depositing reservoirs 24 by one-level depositing reservoir 23, after being precipitated through two-stage
Into sampling backend unit 3, the particulate matter that will can have influence on sampled result contains because multistage filtering is substantially reduced with precipitating
Amount, so that sample detecting is more accurate.
The sampling backend unit 3 then includes rear end sample introduction hand-operated valve 31 and instrumentation 32.
Mainly as shown in figure 1, the cleaning unit 4 includes running water supervisor 41, purge valve 42 and running water branch pipe water
Branch pipe 43；The running water supervisor 41 connects the single filter pond 21, cascade filtration pond by a running water branch pipe 42 respectively
22nd, one-level depositing reservoir 23 and two grades of depositing reservoirs 24；Purge valve is provided with the running water supervisor 41 or running water branch pipe 42
42, the purge valve 42 can be ball valve and motor-driven valve.During flushing, running water will be opened and be responsible for 41 and purge valve 42, you can to one
Body formula treatment pond 2 is cleaned.
Mainly as shown in figure 1, water sample of the invention multistage pretreatment unit also includes a wastewater disposal basin 7, the single filter
Pond 21, cascade filtration pond 22, one-level depositing reservoir 23 and two grades of discharge outlet of the bottom of depositing reservoir 24 27 pass through waste line
72 connection wastewater disposal basins 7, and drain valve 74 is provided with the waste line 72, drain valve 74 can also be ball valve and electronic
Valve.The waste water produced during flushing is discharged from discharge outlet 27, and introducing the wastewater disposal basin 7 by waste line 72 makees next step treatment.Through
Put into next time by the single filter pond 21, cascade filtration pond 22, one-level depositing reservoir 23 and the two grades of depositing reservoirs 24 that cleaned
Filtering is used during sampling.
Described control unit is by cabinet, PLC, breaker, contactor, electrothermal relay, control button, electric unit detection electricity
Road constitutes, and the control structure of its PLC is as shown in Figure 3.
In connection with Figures 1 to 4, the course of work of water sample multistage pretreatment unit of the invention is as follows：
1st, sample introduction flow：Instrument run time is arrived, and triggering starts pretreatment unit, and control unit 5 opens sampling front-end list
The sampling valve of unit 1, including regulation ball valve 14 and sample introduction motor-driven valve 16 (adjust the finger of ball valve 14 and sample introduction motor-driven valve 16 manually manually
Show that lamp is bright)；After 8 minutes, the sampling valve of backend unit 3 of sampling is that sample introduction hand-operated valve 31 opens the (finger of rear end sample introduction hand-operated valve 31
Show that lamp is bright)；The end of run of instrumentation 32, triggering disconnects, and sample introduction flow terminates；
2nd, stock layout flow：Sampling valve closing (including regulation ball valve 14, sample introduction motor-driven valve 16 and sample introduction hand-operated valve 31 refer to manually
Show that lamp goes out), drain valve 74 is opened (indicator lamp of drain valve 74 is bright)；After 5 minutes, make single filter pond 21, cascade filtration pond 22,
Sewage emptying in one-level depositing reservoir 23 and two grades of depositing reservoirs 24, into the backwash stage, purge valve 42 opens (purge valve 42
Indicator lamp is bright), running water enters into single filter pond 21, cascade filtration pond 22, one-level depositing reservoir 23 and two grades of depositing reservoirs 24
Row is rinsed；After 3 minutes, drain valve 72 is opened, and purge valve 42 is closed, and flushing terminates, you can wait next workflow.
Although the foregoing describing specific embodiment of the invention, those familiar with the art should manage
Solution, the specific embodiment described by us is merely exemplary, and rather than for the restriction to the scope of the present invention, is familiar with this
The technical staff in field should be covered of the invention in the equivalent modification and change made according to spirit of the invention
In scope of the claimed protection.
Claims (8)
1. a kind of water sample multistage pretreatment unit, it is characterised in that：Including sampling front-end unit, integral type treatment pond, sampling
Backend unit, cleaning unit and control unit；The sampling front-end unit, integral type treatment pond, sampling backend unit pass through
Sample water lines are sequentially connected by water (flow) direction；The cleaning unit connects the integral type treatment pond, the sampling front-end list
Unit, sampling backend unit and cleaning unit control working condition by described control unit.
2. a kind of water sample multistage pretreatment unit according to claim 1, it is characterised in that：The integral type processes pond
Including the single filter pond, cascade filtration pond, one-level depositing reservoir and the two grades of depositing reservoirs that are sequentially connected by water (flow) direction；Described one
The inside in level filtering ponds and cascade filtration pond is equipped with screen pack；Cover plate is provided with above the integral type treatment pond；And one
The bottom of level filtering ponds, cascade filtration pond, one-level depositing reservoir and two grades of depositing reservoirs is provided with discharge outlet.
3. a kind of water sample multistage pretreatment unit according to claim 2, it is characterised in that：The single filter pond, two
Level filtering ponds, one-level depositing reservoir and two grades of depositing reservoirs are successively from high and low setting.
4. a kind of multistage pretreatment unit of water sample according to Claims 2 or 3, it is characterised in that：The integral type treatment
Pond also includes one 304 stainless steel casings, the single filter pond, cascade filtration pond, one-level depositing reservoir and two grades of depositing reservoirs
It is integrated in the 304 stainless steel casing.
5. a kind of water sample multistage pretreatment unit according to claim 2, it is characterised in that：The cleaning unit is included certainly
Water supervisor, purge valve and running water branch pipe water branch pipe；The running water supervisor connects institute by a running water branch pipe respectively
State single filter pond, cascade filtration pond, one-level depositing reservoir and two grades of depositing reservoirs；On the running water supervisor or running water branch pipe
It is provided with purge valve and states ball valve and motor-driven valve.
6. a kind of water sample multistage pretreatment unit according to claim 2, it is characterised in that：Also include a wastewater disposal basin, institute
State single filter pond, cascade filtration pond, one-level depositing reservoir and two grades of discharge outlet of the bottom of depositing reservoir and pass through waste line
Connect and be provided with drain valve on the wastewater disposal basin, and the waste line.
7. a kind of water sample multistage pretreatment unit according to claim 2, it is characterised in that：In the single filter pond
Screen pack is 80 mesh screen packs, and the screen pack in the cascade filtration pond is 200 mesh screen packs.
8. a kind of water sample multistage pretreatment unit according to claim 1, it is characterised in that：The sampling front-end unit bag
Include sample pond, grid of water intake, manually self priming pump, regulation ball valve, pressure gauge, sample introduction motor-driven valve；The grid of water intake is located at
In sample pond and surround a water intaking space, described self priming pump one end connects the water intaking space, and the other end passes through the sample water pipe
Road is sequentially connected the manual regulation ball valve, pressure gauge, sample introduction motor-driven valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710193370.5A CN106840827A (en) | 2017-03-28 | 2017-03-28 | A kind of water sample multistage pretreatment unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710193370.5A CN106840827A (en) | 2017-03-28 | 2017-03-28 | A kind of water sample multistage pretreatment unit |
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| Publication Number | Publication Date |
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| CN106840827A true CN106840827A (en) | 2017-06-13 |
Family
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| CN201710193370.5A Pending CN106840827A (en) | 2017-03-28 | 2017-03-28 | A kind of water sample multistage pretreatment unit |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108535058A (en) * | 2018-04-09 | 2018-09-14 | 力合科技（湖南）股份有限公司 | Sampling apparatus and method |
| CN109261665A (en) * | 2018-09-21 | 2019-01-25 | 合肥学院 | A kind of on-line computing model solid air-sampler cleaning maintenance system |
| CN113648718A (en) * | 2021-07-13 | 2021-11-16 | 中国大唐集团科学技术研究院有限公司火力发电技术研究院 | Sampling device with automatic backwashing system |
| WO2021254380A1 (en) * | 2020-06-16 | 2021-12-23 | 力合科技（湖南）股份有限公司 | Water sample pretreatment device, water sample pretreatment system, and water sample pretreatment method |
| CN114088505A (en) * | 2021-11-18 | 2022-02-25 | 光大水务科技发展（南京）有限公司 | Pretreatment device system of water treatment water quality detection instrument and working method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108535058A (en) * | 2018-04-09 | 2018-09-14 | 力合科技（湖南）股份有限公司 | Sampling apparatus and method |
| CN109261665A (en) * | 2018-09-21 | 2019-01-25 | 合肥学院 | A kind of on-line computing model solid air-sampler cleaning maintenance system |
| WO2021254380A1 (en) * | 2020-06-16 | 2021-12-23 | 力合科技（湖南）股份有限公司 | Water sample pretreatment device, water sample pretreatment system, and water sample pretreatment method |
| CN113648718A (en) * | 2021-07-13 | 2021-11-16 | 中国大唐集团科学技术研究院有限公司火力发电技术研究院 | Sampling device with automatic backwashing system |
| CN114088505A (en) * | 2021-11-18 | 2022-02-25 | 光大水务科技发展（南京）有限公司 | Pretreatment device system of water treatment water quality detection instrument and working method thereof |
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Application publication date: 20170613 |