CN206593940U - A kind of multistage pretreatment unit of water sample - Google Patents
A kind of multistage pretreatment unit of water sample Download PDFInfo
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- CN206593940U CN206593940U CN201720311161.1U CN201720311161U CN206593940U CN 206593940 U CN206593940 U CN 206593940U CN 201720311161 U CN201720311161 U CN 201720311161U CN 206593940 U CN206593940 U CN 206593940U
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Abstract
The utility model provides a kind of water sample multistage pretreatment unit, including sampling front-end unit, integral type processing pond, sampling backend unit, cleaning unit and control unit；The sampling front-end unit, integral type processing 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 processing pond, and the sampling front-end unit, sampling backend unit, cleaning unit and sampling valve control working condition by described control unit.The utility model can be carried out repeatedly precipitating to water sample, filtered, while realizing backwash, realized and improved the stability of a system, reduce maintenance workload.
Description
Technical field
The utility model is related 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 under-represented to the analysis of water sample, easy pollution, difficult clean and maintenance maintenance workload big.
The Chinese utility model that 2011-10-19 discloses 102221497A discloses a kind of water sample preprocessing apparatus, bag
Water inlet, filter element and delivery port are included, further including heater block, is arranged between water inlet and filter element, it is right
Water sample is heated to predetermined temperature；Ultraviolet digestion part, is arranged between water inlet and filter element, and ultraviolet disappear is carried out to water sample
Solution.The device is heated and ultraviolet digestion processing to water sample before filtration so that what is existed in solid form is phosphorous, nitrogenous etc.
Organic matter is dissolved in water after decomposing, and prevents it to be filtered, and improves reliability and the visitor of the monitoring measurement of water sample preprocessing apparatus
The property seen；And because fraction solids organic matter fully dissolves, reduce the inconvenience of appearance and the cleaning of stopping state, improved
The speed of filter.Although the utility model only can improve stopping state to a certain extent by way of heating and ultraviolet digestion,
But this improved effect can increase energy consumption still than relatively limited.
The Chinese utility model that 2015-05-13 discloses 104614219A discloses a kind of water sample preprocessing apparatus, bag
Include casing, water inlet pipe, overflow pipe, drainpipe, backwash tube, agitator, filter and probe tube；The casing includes pretreatment
Lid and pretreatment box, pretreatment lid are fixedly connected with pretreatment box by screw；Filter and agitator are fixed at pre- place
In riko cover and reach inside pretreatment box；Agitator includes motor and stirring knife, motor drive connection stirring knife；Water inlet pipe is located at pre- place
Lower end on the left of case is managed, overflow pipe is located at upper end on the left of pretreatment box, and drainpipe is located at pretreatment box bottom centre position；Backwash
Pipe is fixed on filter and extend into filter；Probe tube is located on filter and extend into filter lower end.The reality
The treatment effeciency of water sample, the cleaning of aggrandizement apparatus and maintenance period are improved with New Energy, cleaning and the maintenance difficulties of device are reduced.
But due to being carried out only in a casing, only make coagulation, the water sample not only handled is limited, and improved effect is still failed to understand
It is aobvious.
Utility model content
The technical problems to be solved in the utility model, is to provide a kind of water sample multistage pretreatment unit, can be to water sample
Repeatedly precipitate, filter, while realizing backwash, realize and improve the stability of a system, reduce maintenance workload.
What the utility model was realized in：A kind of multistage pretreatment unit of water sample, including sampling front-end unit, integral type
Handle pond, sampling backend unit, cleaning unit and control unit；The sampling front-end unit, integral type processing pond, sampling
Backend unit is sequentially connected by sample water lines by water (flow) direction；The cleaning unit connects the integral type processing pond, institute
State sampling front-end unit, sampling backend unit and cleaning unit and control working condition by described control unit.
Further, integral type processing pond includes being sequentially connected by water (flow) direction by-pass filtration pond, two grades of mistakes
Filter tank, one-level depositing reservoir and two grades of depositing reservoirs；The inside in the by-pass filtration pond and secondary filtration pond is equipped with screen pack；Institute
State and be equipped with cover plate above integral type processing pond；And by-pass filtration pond, secondary filtration pond, one-level depositing reservoir and two grades are clear
The bottom in clear pond is provided with discharge outlet.
Further, the by-pass filtration pond, secondary filtration pond, one-level depositing reservoir and two grades of depositing reservoirs are successively from high
Screen pack in low setting and the by-pass filtration pond is that the screen pack in 80 mesh screen packs, the secondary filtration pond is 200 mesh
Screen pack.
Further, integral type processing pond also includes one 304 stainless steel casings, the by-pass filtration 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 is responsible for including running water, purge valve and running water branch pipe water branch pipe；It is described from
Water supervisor passes through the running water branch pipe connection by-pass filtration pond, secondary filtration pond, one-level depositing reservoir and two grades respectively
Depositing reservoir；Purge valve, which is provided with, on running water supervisor or running water branch pipe states ball valve and motor-driven valve.
Further, the multistage pretreatment unit of water sample of the present utility model also includes a wastewater disposal basin, the by-pass filtration pond,
The discharge outlet of the bottom in secondary filtration pond, one-level depositing reservoir and two grades of depositing reservoirs connects the waste water by waste line
Drain valve is provided with pond, and 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 utility model has the following advantages that：Precipitation, filtering can be carried out repeatedly to water sample by handling pond by integral type
Sampled again afterwards, greatly improve the effect of filtering, so that sample detecting is more accurate, while can be real by cleaning unit
Pond automatic backwash now is handled to integral type, the stability of a system is improved, the workload safeguarded is reduced.
Brief description of the drawings
The utility model is further described in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the structural representation of the multistage pretreatment unit of the utility model water sample.
Fig. 2 is the external structure schematic diagram that the utility model integral type handles pond.
Fig. 3 is the main circuit structure schematic diagram of the utility model control unit.
Fig. 4 is the workflow diagram of the multistage pretreatment unit of the utility model water sample.
Embodiment
Refer to shown in Fig. 1 to Fig. 3, the multistage pretreatment unit of water sample of the present utility model, including sampling front-end unit 1,
Integral type processing pond 2, sampling backend unit 3, cleaning unit 4 and control unit 5；At the sampling front-end unit 1, integral type
Reason pond 2, sampling backend unit 3 are sequentially connected by sample water lines 6 by water (flow) direction；The cleaning unit 4 connects described one
Body formula handles pond 2, and the sampling front-end unit 1, sampling backend unit 3 and cleaning unit 4 are by described control unit control
Working condition processed.
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, described one end of 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 processing pond includes the by-pass filtration being sequentially connected by water (flow) direction
Pond 21, secondary filtration pond 22, one-level depositing reservoir 23 and two grades of depositing reservoirs 24, in addition to one 304 stainless steel casings 25, described one
Level filtering ponds 21, secondary 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 by-pass filtration pond 21 and secondary filtration pond 22 is equipped with screen pack, wherein, 21 filtering in by-pass filtration pond
Net is that the screen pack in 80 mesh screen packs 211, the secondary filtration pond 22 is 200 mesh screen packs 221.The by-pass filtration pond
21st, the top in secondary 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 by-pass filtration pond 21, secondary 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 by-pass filtration pond 21 by sampling front-end unit 1, through by-pass filtration pond 21 and two grades
Filtering ponds 22 reach one-level depositing reservoir 23 after filtering, then are overflow by one-level depositing reservoir 23 to two grades of depositing reservoirs 24, after being precipitated through two-stage
Into sampling backend unit 3, the particulate matter that can have influence on sampled result is substantially reduced because of multistage filtering and precipitation and contained
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 by-pass filtration pond 21, secondary 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 supervisor 41 and purge valve 42 will be opened, you can to one
Body formula processing pond 2 is cleaned.
Mainly as shown in figure 1, the multistage pretreatment unit of water sample of the present utility model also includes a wastewater disposal basin 7, the one-level
Filtering ponds 21, secondary filtration pond 22, the discharge outlet 27 of the bottom of one-level depositing reservoir 23 and two grades of depositing reservoirs 24 pass through waste water
Pipeline 72 connects and drain valve 74 is provided with the wastewater disposal basin 7, and the waste line 72, and drain valve 74 can also be ball valve and electricity
Dynamic 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 processing.
By-pass filtration pond 21, secondary filtration pond 22, one-level depositing reservoir 23 and the two grades of depositing reservoirs 24 being cleaned can put into next
Filtering is used during secondary sampling.
Described control unit detects electricity by cabinet, PLC, breaker, contactor, electrothermal relay, control button, electric unit
Road is constituted, and its PLC control structure is as shown in Figure 3.
In connection with Figures 1 to 4, the course of work of the multistage pretreatment unit of water sample of the present utility model 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 member 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 sampling backend unit 3 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 by-pass filtration pond 21, secondary 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 by-pass filtration pond 21, secondary 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 embodiment of the present utility model, those familiar with the art should
Work as understanding, the specific embodiment described by us is merely exemplary, rather than for the limit to scope of the present utility model
Fixed, those skilled in the art should in the equivalent modification and change made according to spirit of the present utility model
Cover in scope of the claimed protection of the present utility model.
Claims (8)
1. a kind of multistage pretreatment unit of water sample, it is characterised in that：Including sampling front-end unit, integral type processing pond, sampling
Backend unit, cleaning unit and control unit；The sampling front-end unit, integral type processing pond, sampling backend unit pass through
Sample water lines are sequentially connected by water (flow) direction；The cleaning unit connects the integral type processing pond, the sampling front-end list
Member, sampling backend unit and cleaning unit control working condition by described control unit.
2. the multistage pretreatment unit of a kind of water sample according to claim 1, it is characterised in that：The integral type handles pond
Including the by-pass filtration pond being sequentially connected by water (flow) direction, secondary filtration pond, one-level depositing reservoir and two grades of depositing reservoirs；Described one
The inside in level filtering ponds and secondary filtration pond is equipped with screen pack；The top in the integral type processing pond is provided with cover plate；And one
Level filtering ponds, secondary filtration pond, the bottom of one-level depositing reservoir and two grades of depositing reservoirs are provided with discharge outlet.
3. the multistage pretreatment unit of a kind of water sample according to claim 2, it is characterised in that：The by-pass filtration pond, two
Level filtering ponds, one-level depositing reservoir and two grades of depositing reservoirs are successively from high and low setting.
4. the multistage pretreatment unit of a kind of water sample according to Claims 2 or 3, it is characterised in that：The integral type processing
Pond also includes one 304 stainless steel casings, the by-pass filtration pond, secondary filtration pond, one-level depositing reservoir and two grades of depositing reservoirs
It is integrated in the 304 stainless steel casing.
5. the multistage pretreatment unit of a kind of water sample according to claim 2, it is characterised in that：The cleaning unit is included certainly
Water is responsible for, purge valve and running water branch pipe water branch pipe；The running water supervisor connects institute by a running water branch pipe respectively
State by-pass filtration pond, secondary filtration pond, one-level depositing reservoir and two grades of depositing reservoirs；On running water supervisor or running water branch pipe
It is provided with purge valve and states ball valve and motor-driven valve.
6. the multistage pretreatment unit of a kind of water sample according to claim 2, it is characterised in that：Also include a wastewater disposal basin, institute
The discharge outlet of bottom of by-pass filtration pond, secondary filtration pond, one-level depositing reservoir and two grades of depositing reservoirs is stated by waste line
Connect and be provided with drain valve on the wastewater disposal basin, and the waste line.
7. the multistage pretreatment unit of a kind of water sample according to claim 2, it is characterised in that：In the by-pass filtration pond
Screen pack is that the screen pack in 80 mesh screen packs, the secondary filtration pond is 200 mesh screen packs.
8. the multistage pretreatment unit of a kind of water sample 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 |
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| CN201720311161.1U CN206593940U (en) | 2017-03-28 | 2017-03-28 | A kind of multistage pretreatment unit of water sample |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720311161.1U CN206593940U (en) | 2017-03-28 | 2017-03-28 | A kind of multistage pretreatment unit of water sample |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106840827A (en) * | 2017-03-28 | 2017-06-13 | 福州福光水务科技有限公司 | A kind of water sample multistage pretreatment unit |
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- 2017-03-28 CN CN201720311161.1U patent/CN206593940U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106840827A (en) * | 2017-03-28 | 2017-06-13 | 福州福光水务科技有限公司 | A kind of water sample multistage pretreatment unit |
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