CN103837391A - Water quality monitoring water sample pre-treating device - Google Patents
Water quality monitoring water sample pre-treating device Download PDFInfo
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- CN103837391A CN103837391A CN201410114304.0A CN201410114304A CN103837391A CN 103837391 A CN103837391 A CN 103837391A CN 201410114304 A CN201410114304 A CN 201410114304A CN 103837391 A CN103837391 A CN 103837391A
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Abstract
The invention provides a water quality monitoring water sample pre-treating device. The water quality monitoring water sample pre-treating device comprises a backwashing water collection basin, a water sample sedimentation basin, a water sample water inlet pipe communicated with the bottom of the backwashing water collection basin, an air pipe connected with the upper part of the water sample sedimentation basin, a mud discharging pipe communicated with the bottom of the water sample sedimentation basin, an overflowing pipe and an overflowing air pipe which are connected with the mud discharging pipe, and a sampling pipe communicated with the water sample sedimentation basin. The water quality monitoring water sample pre-treating device has the advantages of reasonable design, small volume, simple structure, low cost, no need of a special washing water source, no need of various valves, and capability of automatically finishing the whole process of filtering a water sample, washing devices, backwashing a filtering net, precipitating the water sample, sampling and analyzing, and discharging mud.
Description
Technical field
The present invention relates to a kind of water sample preprocessing apparatus, relate in particular to a kind of water sample preprocessing apparatus for water quality monitoring.
Background technology
In water quality monitoring industry, use the method such as photometer measuring method, spectroscopic methodology accurately to measure the water-quality guideline such as COD, ammonia nitrogen.
If all kinds of high suspended matter sewage can not carry out effectively pre-service in early stage, make water sample to be measured meet the requirement of said determination method to Suspended Substance in Water Sample content, suspension in water sample will produce tremendous influence to the accuracy of measuring, and even causes measuring carrying out.
Therefore the pretreated effect of water sample becomes the key factor that can water quality monitoring equipment precise and stable measurement.
Water quality of the prior art prison system water sample preprocessing apparatus ubiquity volume is large, complicated, the easy obstruction of equipment, clean difficulty, need the special large difficulty of cleaning water source, maintenance workload.
Summary of the invention
Technical matters to be solved by this invention is for above-mentioned deficiency of the prior art, a kind of water quality monitoring water sample preprocessing apparatus is provided, it is reasonable in design, small volume, simple in structure, cost is lower, without special cleaning water source, without all kinds of valves, can automatically complete that water sample filters, device flushing, filter screen recoil, water sample precipitation, sampling analysis, water sample sludge from sedimentation tank all processes.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of water quality monitoring water sample preprocessing apparatus, is characterized in that: the water sample water inlet pipe, the water sample settling basin being communicated with back flush water collecting basin top and the air hose that comprise back flush water collecting basin, be communicated with back flush water collecting basin bottom, with water sample settling basin bottom be communicated with discharge pipeline, be communicated with discharge pipeline run-down pipe and overflow air pipe, with water sample settling basin in the middle part of be communicated with sampling pipe, the chemical feed pipe being communicated with water sample settling basin top, be arranged on the liquid level sensor on air hose.
Above-mentioned water quality monitoring water sample preprocessing apparatus, is characterized in that: described water sample settling basin is communicated with discharge pipeline, forms " U " type structure, and both connecting portions are lower than described sampling pipe.
Above-mentioned water quality monitoring water sample preprocessing apparatus, is characterized in that: described back flush water collecting basin bottom is communicated with water sample water inlet pipe, or adopts same pipeline to form.
Above-mentioned water quality monitoring water sample preprocessing apparatus, is characterized in that: described back flush water collecting basin top is communicated with described water sample settling basin and air hose, and three forms a trifid structure jointly, and its connecting portion is higher than described sampling pipe.
Above-mentioned water quality monitoring water sample preprocessing apparatus, is characterized in that: described discharge pipeline, run-down pipe, overflow air pipe are communicated with, and jointly form a trifid structure, and three's connecting portion is higher than described sampling pipe.
Above-mentioned water quality monitoring water sample preprocessing apparatus, alternatively, installs liquid level sensor on described air duct.
Above-mentioned water quality monitoring water sample preprocessing apparatus, alternatively, chemical feed pipe is arranged at described water sample settling basin top.
The present invention with prior art first than having the following advantages.
Reasonable in design, simple in structure, cost is lower.
Without special cleaning water source, make it require to reduce to erecting stage, adaptability improves, and is beneficial to popularization.
Without all kinds of valves, overcome various valve blockage in existing water sample preconditioning technique, damaged the fault causing, can accomplish non-maintaining.
Can make full-closed structure, the smell of sewage is enclosed in to device inside, improve working environment.
As long as control the working time of sampling water pump (not shown), the present invention can complete that water sample filters, device rinses automatically, filter screen recoil, water sample precipitation, water sample sludge from sedimentation tank all processes, stable, reliability is high.
Scouring media is monitoring water sample, thereby has avoided wash-down water residual diluting effect that water sample is produced in device, improves the precision of monitoring.
Brief description of the drawings
Fig. 1 is according to the structure diagram of the water quality monitoring water sample preprocessing apparatus of the embodiment of the present invention 1.
Fig. 2 is according to the structure diagram of the water quality monitoring water sample preprocessing apparatus of the embodiment of the present invention 2.
Fig. 3 is according to the structure diagram of the water quality monitoring water sample preprocessing apparatus of the embodiment of the present invention 3.
Fig. 4 is the workflow diagram of water quality monitoring water sample preprocessing apparatus of the present invention.
Description of reference numerals.
1-back flush water collecting basin, 2-water sample settling basin, 3-water sample water inlet pipe, 4-air hose, 5-discharge pipeline, 6-run-down pipe, 7-overflow air pipe, 8-sampling pipe, 9-chemical feed pipe, 10-liquid level sensor, a-water sample settling basin and discharge pipeline connecting portion, b-back flush water collecting basin, settling basin, air hose three's connecting portion, c-discharge pipeline, run-down pipe, overflow air pipe three's connecting portion, 11-dividing plate, 12-connecting pipe.
Embodiment
Fig. 1-4 and following declarative description optional embodiment of the present invention and instruct those skilled in the art how to implement and reproduce the present invention.In order to instruct technical solution of the present invention, some conventional aspects are simplified.
Fig. 1 has schematically provided structure diagram of the present invention, as shown in Figure 1, the water sample preprocessing apparatus of described water quality monitoring comprises: back flush water collecting basin, water sample settling basin, water sample water inlet pipe, air hose, discharge pipeline, run-down pipe, overflow air pipe, sampling pipe, chemical feed pipe, liquid level sensor, dividing plate.
Container is divided into two regions by dividing plate, and the left side is back flush water collecting basin, and the right is water sample settling basin.
Described back flush water collecting basin top is communicated with water sample settling basin and air hose, and three forms a trifid structure jointly, and three's connecting portion " b " is higher than described sampling pipe.
Described back flush water collecting basin bottom is communicated with water sample water inlet pipe.
Described water sample settling basin is communicated with discharge pipeline, composition " U " type structure, and both connecting portions " a " are lower than described sampling pipe.Described discharge pipeline, run-down pipe, overflow air pipe three are communicated with, and jointly form a trifid structure, and three's connecting portion " c " is higher than described sampling pipe.
Alternatively, on air duct, liquid level sensor is installed.
Alternatively, chemical feed pipe is arranged at described water sample settling basin top.
Fig. 4 is the workflow diagram of water quality monitoring water sample preprocessing apparatus of the present invention, is also the course of work of above-mentioned water quality monitoring water sample preprocessing apparatus, and as shown in Figure 4, described water quality monitoring water sample preprocessing apparatus comprises the following steps the pre-service of water sample.
(A1) water pump (water pump and filter screen are not shown) starts and starts upper water, and water sample enters water quality monitoring water sample preprocessing apparatus through filter screen, water pump, water sample water inlet pipe, and filter screen filters water sample during this time.
(A2) water pump continues upper water, and water sample constantly enters back flush water collecting basin to the water filling of back flush water collecting basin by water inlet pipe.
(A3) water pump continues upper water, in the time that back flush water collecting basin water level exceedes dividing plate upper end, water sample is crossed dividing plate and is entered water sample settling basin, along with water sample settling basin liquid level rising base pressure increases, when the pressure of locating left side water sample settling basin side as " a " is greater than the pressure of the right discharge pipeline side, accumulating after water sample and sediment enter run-down pipe by discharge pipeline in water sample settling basin discharged by run-down pipe, completes water sample sludge from sedimentation tank process.
(A4) water pump continues upper water, and water sample is constantly by flowing out after water sample water inlet pipe, back flush water collecting basin, water sample settling basin, discharge pipeline, run-down pipe, and this process is rinsed this device each several part.
(B1) Pump Failure, water sample in back flush water collecting basin is back to former sampling place by water sample water inlet pipe, water pump, filter screen under the effect of gravity, water sample in this process in filter screen is reversed flow with respect to water process on former, filter screen is recoiled, the foreign material because being attached on filter screen in first front upper water process are come off.
In (B1) filter screen back flushing process, air enters water sample settling basin and back flush water collecting basin by air hose, destroys the syphonic effect being formed by back flush water collecting basin and water sample settling basin, avoids the water sample in water sample settling basin to be sucked out through back flush water collecting basin.
(C1) water pump stops after upper water, water sample in water sample settling basin is because linker effect will continue to discharge by discharge pipeline, run-down pipe, until the water sample height in water sample settling basin is located after height level with " c ", the pressure of " a " left side water sample settling basin side and the pressure of the right discharge pipeline side reach balance, and water sample stops flowing.
The remaining water sample of run-down pipe relies on gravity Natural excrement, and now overflow air pipe can make air enter run-down pipe, destroys the syphonic effect that discharge pipeline and run-down pipe form, and avoids the water sample of water sample settling basin to be sucked out through discharge pipeline.
(C2) chemical feed pipe is installed on water sample settling basin top alternatively, can add the required medicament of the pre-service such as stabilizing agent, flocculating agent.
(C3) water sample leaves standstill in water sample settling basin, and the suspension in water sample is after a while deposited to water sample settling basin bottom, and the water sample suspension content in water sample settling basin reduces the monitoring requirement that reaches monitoring device.
(C4) water sample monitoring device is monitored from water sample preprocessing apparatus water sample pipe extraction water sample, and described sampling monitoring process is the state of the art, does not repeat them here.
(C5) the water quality monitoring water sample preprocessing apparatus free time, the residue water sample after monitoring accumulates in water sample settling basin, wait the carrying out of monitoring next time, and monitoring next time repeats the above-mentioned course of work after starting again.
On water pump, when water, air hose likely enters water sample, the maximum height of water sample when the height of air hose should be greater than water on water pump under normal circumstances.
Liquid level sensor is installed alternatively, the maximum height of water sample when setting height(from bottom) is greater than water on water pump under normal circumstances on air hose.
Under extreme case, discharge pipeline stops up, on water pump, in water process, water sample settling basin pressure sharply increases, water sample liquid level rises will arrive liquid level sensor height, now liquid level sensor issues a signal to opertaing device (not shown), after opertaing device perception, stop water pump operation and send alerting signal, above perception liquid level warning process is the state of the art, does not repeat them here.
The time of filter screen recoil, determined by the volume of back flush water collecting basin and the speed of water-break.
Filter screen back washing strength is generally determined to the vertical height of back flush water collecting basin by filter screen, in order to increase filter screen back washing strength, can change common one-way water pump into two way water pump, rely on power water-break to force back flush, described power-forced backwash mode is the state of the art, does not repeat them here.
Air hose, overflow air pipe can be upwards uncovered, also can receive the outdoor gaseous contamination indoor environment to avoid water sample to diffuse out, and in the present embodiment, air hose and overflow air manifold are received near sampled point aerial after closing.
Fig. 2 has schematically provided the structure diagram of the rear Split type structure of another distortion of the present invention, as shown in Figure 2, back flush water collecting basin and water sample settling basin are Split type structure compared with embodiment 1, without dividing plate, back flush water collecting basin top is communicated with by connecting pipe with water sample settling basin, the course of work is similar to embodiment 1, does not repeat them here.
Because back flush water collecting basin top communicates with water sample settling basin top, thus air hose both can on water sample settling basin, arrange, also can on back flush water collecting basin, arrange, effect is identical.
Fig. 3 has schematically provided the structure diagram of the rear simplified structure of another kind of distortion of the present invention, back flush water collecting basin uses same pipeline with tube cavity as pond body and with water sample water inlet pipe, top is for forming back flush water collecting basin, water sample water inlet pipe is formed at bottom, and water sample settling basin utilizes the cavity of pipeline formation as pond body.
The present embodiment is applicable to observation process needs the little filter screen of the water sample amount less demanding occasion that recoils.
The course of work is similar to front two embodiment, does not repeat them here.
The above, be only preferred embodiment of the present invention, not the present invention imposed any restrictions, every according to the technology of the present invention any simple modification that embodiment does in fact, change and equivalent structure variation, all still belongs to the protection domain of technical solution of the present invention.
Claims (7)
1. a water quality monitoring water sample preprocessing apparatus, described device comprises: back flush water collecting basin (1), the water sample settling basin (2) being communicated with back flush water collecting basin (1) and air hose (4), the water sample water inlet pipe (3) being communicated with back flush water collecting basin (1) bottom, with water sample settling basin (2) bottom be communicated with discharge pipeline (5), the run-down pipe (6) being communicated with discharge pipeline (5) and overflow air pipe (7), with water sample settling basin (2) in the middle part of the sampling pipe (8) that is communicated with.
2. water sample preprocessing apparatus according to claim 1, described back flush water collecting basin (1) bottom is communicated with water sample water inlet pipe (3), or adopts same pipeline to form.
3. water sample preprocessing apparatus according to claim 1, described water sample settling basin (8) bottom is communicated with discharge pipeline (5) one end, forms " U " type structure, and described water sample settling basin and described discharge pipeline connecting portion (a) are lower than described sampling pipe (8).
4. water sample preprocessing apparatus according to claim 1, described back flush water collecting basin (1) top is communicated with described water sample settling basin (2) and air hose (4).
5. water sample preprocessing apparatus according to claim 4, described back flush water collecting basin (1), water sample settling basin (2), air hose (4) form a trifid structure jointly, and described back flush water collecting basin, water sample settling basin, air hose three's connecting portion (b) is higher than described sampling pipe (8).
6. water sample preprocessing apparatus according to claim 1, described discharge pipeline (5), run-down pipe (6), overflow air pipe (7) are communicated with.
7. water sample preprocessing apparatus according to claim 6, described discharge pipeline (5), run-down pipe (6), overflow air pipe (7) form a trifid structure jointly, and described discharge pipeline (5), run-down pipe (6), overflow air pipe (7) three's connecting portion (c) is higher than described sampling pipe (8).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410114304.0A CN103837391B (en) | 2014-03-26 | 2014-03-26 | Water quality monitoring water sample preprocessing apparatus |
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| CN201410114304.0A CN103837391B (en) | 2014-03-26 | 2014-03-26 | Water quality monitoring water sample preprocessing apparatus |
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| CN103837391A true CN103837391A (en) | 2014-06-04 |
| CN103837391B CN103837391B (en) | 2016-03-16 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108663259A (en) * | 2017-03-30 | 2018-10-16 | 上海捷辰仪器有限公司 | A kind of water quality nutritive salt in-line analyzer pretreating device |
| CN118190529A (en) * | 2024-05-15 | 2024-06-14 | 宁波华仪宁创智能科技有限公司 | Liquid sampling method and device |
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| CN101974933A (en) * | 2010-07-28 | 2011-02-16 | 苏州顶裕节能设备有限公司 | Overflow siphon automatic blow-down device |
| CN201914984U (en) * | 2010-11-25 | 2011-08-03 | 广州益方田园环保科技开发有限公司 | Integrated sewage treatment and sedimentation combination device |
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2014
- 2014-03-26 CN CN201410114304.0A patent/CN103837391B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101503235A (en) * | 2008-12-25 | 2009-08-12 | 滨海环保装备（天津）有限公司 | Seawater desalination pretreatment diversion system and working method thereof |
| CN101974933A (en) * | 2010-07-28 | 2011-02-16 | 苏州顶裕节能设备有限公司 | Overflow siphon automatic blow-down device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108663259A (en) * | 2017-03-30 | 2018-10-16 | 上海捷辰仪器有限公司 | A kind of water quality nutritive salt in-line analyzer pretreating device |
| CN118190529A (en) * | 2024-05-15 | 2024-06-14 | 宁波华仪宁创智能科技有限公司 | Liquid sampling method and device |
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| CN103837391B (en) | 2016-03-16 |
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