CN216247452U - Water quality online monitoring instrument preprocessing device - Google Patents
Water quality online monitoring instrument preprocessing device Download PDFInfo
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- CN216247452U CN216247452U CN202122725964.0U CN202122725964U CN216247452U CN 216247452 U CN216247452 U CN 216247452U CN 202122725964 U CN202122725964 U CN 202122725964U CN 216247452 U CN216247452 U CN 216247452U
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Abstract
The utility model relates to a pretreatment device of a water quality online monitoring instrument, which comprises a lift pump, a water inlet pipe, a first pretreatment tank body, a second pretreatment tank body, a drain pipe and a back washing system, wherein the lift pump is connected with the water inlet pipe; one end of the water inlet pipe is connected with a lift pump, the other end of the water inlet pipe is connected with the first pretreatment box body, the second pretreatment box body is connected with the first pretreatment box body in parallel, an overflow hole is formed in the middle of the second pretreatment box body, a water outlet is formed in the bottoms of the first pretreatment box body and the second pretreatment box body and is connected with a water drain pipe, and the backwashing system comprises a water pump backwashing pipeline, a cleaning pipeline arranged above the first pretreatment box body and the second pretreatment box body and a plurality of spray heads arranged on the cleaning pipeline. The device has a simple structure, can remove large-particle impurities and garbage in raw water, retains pollutants in the raw water, and ensures that the water quality before and after treatment is basically the same, thereby solving the problems of pipeline blockage, large maintenance amount and the like of an online monitoring instrument.
Description
Technical Field
The utility model relates to a pretreatment device of a water quality online monitoring instrument, belonging to the technical field of water quality monitoring.
Background
In water quality monitoring work, COD and ammonia nitrogen are installed to sewage factory water inlet, TP, quality of water on-line monitoring instruments such as TN, regularly carry out automatic sampling analysis to the water sample of intaking, nevertheless because the sewage factory is intake the quality of water condition relatively poor, there are a large amount of rubbish and large granule impurity, the general inside pipeline of current on-line monitoring instrument is thinner, often take place the pipeline jam in the water intaking in-process, solenoid valve trouble scheduling problem, lead to the unable normal work of on-line instrument, influence the normal operating of sewage factory, and can increase the instrument routine maintenance frequency, promote the instrument and maintain the degree of difficulty, shorten instrument life.
Disclosure of Invention
The utility model aims to solve the problems and provides a pretreatment device of a water quality online monitoring instrument, which has a simple structure and a compact design.
The utility model adopts the following technical scheme: a pretreatment device of a water quality online monitoring instrument comprises a lift pump, a water inlet pipe, a first pretreatment box body, a second pretreatment box body, a drain pipe and a back washing system;
one end of the water inlet pipe is connected with a lift pump, the other end of the water inlet pipe is connected with a first pretreatment box body, a second pretreatment box body is connected with the first pretreatment box body in parallel, an overflow hole is formed between the first pretreatment box body and the second pretreatment box body, and a water outlet is formed in the bottom of the first pretreatment box body and the bottom of the second pretreatment box body and connected with a water drainage pipe
The back washing system comprises a water pump back washing pipeline, a cleaning pipeline arranged above the first pretreatment tank body and the second pretreatment tank body, and a plurality of spray heads arranged on the cleaning pipeline.
Furthermore, the bottoms of the first pretreatment tank body and the second pretreatment tank body are in a conical shape.
Furthermore, the inside of first preliminary treatment box is provided with the filter screen, and the filter screen inclines 50 settings in first preliminary treatment box.
Furthermore, the filter screen is provided with a slide rail, and a brush used for cleaning is arranged corresponding to the slide rail.
Furthermore, an oscillator is arranged in the first pretreatment box body.
Furthermore, the outside cover of elevator pump is equipped with the filter mantle, the elevator pump upper end is provided with the floater device.
Furthermore, a first electromagnetic valve is arranged at the joint of the lifting pump and the water inlet pipeline, a second electromagnetic valve is arranged on the water pump backwashing pipeline, a third electromagnetic valve, a fourth electromagnetic valve and a fifth electromagnetic valve are arranged on the water discharge pipe and respectively control emptying of the water inlet pipe, the first pretreatment tank body and the second pretreatment tank body, and a sixth electromagnetic valve is arranged on the cleaning pipeline.
Furthermore, the bottom of the filter cover is provided with a detachable bottom plate, so that the filter cover can be cleaned conveniently.
The utility model has simple structure, compact design and convenient use, the first pretreatment tank body and the second pretreatment tank body can remove large-particle impurities and garbage in raw water, and keep pollutants in the raw water, and ensure that the water quality before and after treatment is basically not different, thereby solving the problems of pipeline blockage and large maintenance amount of an online monitoring instrument, the backwashing system can clean sludge attached to the whole device, ensure the normal operation of the device and provide guarantee for the accuracy of online analysis and monitoring.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Reference numerals: the device comprises a lift pump 1, a water inlet pipe 2, a first pretreatment tank body 3, a second pretreatment tank body 4, a drain pipe 5, a filter cover 6, a floating ball device 7, an oscillator 8, a brush 9, a filter screen 10, an overflow hole 11, a water pump backwashing pipeline 12, a sixth electromagnetic valve 13, a cleaning pipeline 14, a spray header 15, a first electromagnetic valve 16, a second electromagnetic valve 17, a third electromagnetic valve 18, a fourth electromagnetic valve 19, a fifth electromagnetic valve 20 and a sixth electromagnetic valve 21.
Detailed Description
The utility model will be further described with reference to the accompanying drawings.
As shown in fig. 1, a pretreatment device of a water quality on-line monitoring instrument comprises a lift pump 1, a water inlet pipe 2, a first pretreatment tank body 3, a second pretreatment tank body 4, a drain pipe 5 and a back flushing system;
one end of the water inlet pipe 2 is connected with a lift pump 1, the other end of the water inlet pipe 2 is connected with a first pretreatment tank body 3,
the first pretreatment box body 3 and the second pretreatment box body 4 are connected in parallel, an overflow hole 11 is arranged between the first pretreatment box body 3 and the second pretreatment box body 4, the bottoms of the first pretreatment box body 3 and the second pretreatment box body 4 are both provided with a water outlet connected with a water drain pipe 5, the bottoms of the first pretreatment box body 3 and the second pretreatment box body 4 are in a conical shape, a filter screen 10 is arranged inside the first pretreatment box body 3, the filter screen 10 is inclined by 50 degrees, a slide rail is arranged on the filter screen 10, a brush 9 used for cleaning the filter screen 10 is arranged corresponding to the slide rail, and an oscillator 8 is arranged in the first pretreatment box body 3;
a filter cover 6 is sleeved on the outer side of the lifting pump 1, and a floating ball device 7 is arranged on the lifting pump, so that the lifting pump 1 can be guaranteed to fluctuate up and down along with the liquid level and keep a certain immersion depth, and the consistency of the position of a water sample in water sample monitoring is guaranteed;
the backwashing system comprises a water pump backwashing pipeline 12, a cleaning pipeline 14 arranged above the first pretreatment tank body and the second pretreatment tank body, and a plurality of spray heads 15 arranged on the water purification pipes; the water pump backwashing pipeline 12 is used for flushing floaters on the surface of the lift pump, and the spray heads 15 on the first pretreatment tank body 3 and the second pretreatment tank body 4 can regularly clear away garbage, sludge and the like attached to the interior of the tank bodies and the pipeline after sampling is finished.
A first electromagnetic valve 16 is arranged at the joint of the lifting pump 1 and the water inlet pipe 2, a second electromagnetic valve 17 is arranged on the water pump backwashing pipeline 12, a third electromagnetic valve 18 is arranged on the sewer pipeline 13 between the water inlet pipe 2 and the water outlet pipe 5, a fourth electromagnetic valve 19 is arranged at the bottom of the first pretreatment tank body 3, and a fifth electromagnetic valve 20 is arranged at the bottom of the second pretreatment tank body 4.
The raw water that elevator pump 1 will wait to detect promotes to the inlet tube 2 in, and elevator pump 1 outside installation filter mantle 6 can get rid of great floater and large granule impurity in the raw water, prevents that elevator pump 1 from being blockked up, can pull out the setting of inserting the bottom plate and can be convenient for the manual work to hang out the back and clear up and wash and be convenient for the maintenance or the change of elevator pump 1 to the rubbish in filter mantle 6.
The water pump back flushing pipeline 12 can flush residual garbage on the filter cover 6, raw water entering the first pretreatment tank 3 enters the second pretreatment tank 4 after passing through the filter screen, the filter screen 10 can select filter screens 10 with different mesh numbers according to the quality of the raw water to achieve different filtering effects, the filter screen 10 is obliquely placed in the first pretreatment tank by 50 degrees, a larger overflowing area can be achieved, the garbage attached to the filter screen 10 can be easily flushed, gravels with larger specific gravity and the like in the first pretreatment tank 3 can be precipitated to the bottom of the tank, supernatant enters the second pretreatment tank 4 through the overflow hole 11, the second pretreatment tank 4 can be directly connected with a sampling pipe of an online instrument, the problem of sampling blockage of the online instrument can be solved, the conical bottom of the first pretreatment tank 3 can be beneficial to emptying of settled sand, part of pollutants in the raw water can be attached to impurities and gravels, raw water through filtering and after deposiing can change on the quality of water index, especially COD index influences great, consequently this set of preprocessing device has been equipped with and has vibrate the module, high frequency ultrasonic wave through oscillator 8 sends, just make organic pollutant attached to on impurity and gravel in the raw water peel off along with rivers vibrations and dissolve in the aquatic before filtering, can not receive the influence of filtration and sediment, thereby guarantee to compare not basically not change through the quality of water after the preliminary treatment with the raw water, in addition, increase behind the ultrasonic wave vibration module and can make the difficult hardening of rubbish on the filter screen, be washed easily and drop.
The working principle is as follows: step 1: starting up the online instrument for rinsing 10min before sampling, opening a first electromagnetic valve 16 and a fourth electromagnetic valve 19, closing a second electromagnetic valve 17, a third electromagnetic valve 18 and a fifth electromagnetic valve 20, opening a lifting pump 1 for water inlet, closing the fourth electromagnetic valve 19 and opening the fifth electromagnetic valve 20 after 5min, and starting an oscillator in a first pretreatment box body 3 until sampling of the online sampling instrument is finished;
step 2: after sampling is finished, emptying the tank body for about 5min, closing the lifting pump 1, and opening the third electromagnetic valve 18, the fourth electromagnetic valve 19 and the fifth electromagnetic valve 20;
and step 3: after the first pretreatment tank body 3 and the second pretreatment tank body 4 are emptied, the backwashing system is opened, and the backwashing stage is carried out for 10 min: (1) closing the first electromagnetic valve 16, opening the second electromagnetic valve 17 of the water pump backwashing pipeline 12, opening the lift pump 1, and backwashing the pump body and the filter cover 6; (2) and simultaneously, a sixth electromagnetic valve 13 on the cleaning pipeline 14 and a spray head 15 on the flushing water pipe are opened, and a brush 9 in the first pretreatment tank body 3 is opened to clean the filter screen 10.
And 4, step 4: and after the back washing is finished, circulating to the next sampling node, and repeating the operations.
Note: the specific time can be debugged according to the field situation.
Claims (8)
1. The utility model provides a quality of water on-line monitoring instrument preprocessing device which characterized in that: comprises a lift pump (1), a water inlet pipe (2), a first pretreatment tank body (3), a second pretreatment tank body (4), a drain pipe (5) and a back washing system;
one end of the water inlet pipe (2) is connected with a lifting pump (1), the other end of the water inlet pipe (2) is connected with a first pretreatment box body (3), a second pretreatment box body (4) is connected with the first pretreatment box body (3) in parallel, an overflow hole (11) is arranged between the first pretreatment box body (3) and the second pretreatment box body (4), and the bottoms of the first pretreatment box body (3) and the second pretreatment box body (4) are provided with a water outlet connected with a water drain pipe (5);
the back washing system comprises a water pump back washing pipeline (12), a cleaning pipeline (14) arranged above the first pretreatment tank body and the second pretreatment tank body, and a plurality of spray headers (15) arranged on the cleaning pipeline (14).
2. The pretreatment device of the water quality on-line monitoring instrument according to claim 1, characterized in that: the above-mentioned
The bottoms of the first pretreatment tank body (3) and the second pretreatment tank body (4) are conical.
3. The pretreatment device of the water quality on-line monitoring instrument according to claim 1, characterized in that: the filter screen (10) is arranged in the first pretreatment tank body (3), and the filter screen (10) is inclined by 50 degrees in the first pretreatment tank body (3).
4. The pretreatment device of the water quality on-line monitoring instrument according to claim 3, characterized in that: the filter screen (10) is provided with a slide rail, and a cleaning brush (9) is arranged corresponding to the slide rail.
5. The pretreatment device of the water quality on-line monitoring instrument according to claim 1, characterized in that: an oscillator (8) is arranged in the first pretreatment box body (3).
6. The pretreatment device of the water quality on-line monitoring instrument according to claim 1, characterized in that: the outer side of the lifting pump (1) is sleeved with a filter cover (6), and the upper end of the lifting pump (1) is provided with a floating ball device (7).
7. The pretreatment device of the water quality on-line monitoring instrument according to claim 1, characterized in that: the water pump is characterized in that a first electromagnetic valve (16) is arranged at the joint of the lifting pump (1) and the water inlet pipe (2), a second electromagnetic valve (17) is arranged on the water pump backwashing pipeline (12), a third electromagnetic valve (18), a fourth electromagnetic valve (19) and a fifth electromagnetic valve (20) are arranged on the water discharge pipe (5) and are used for respectively controlling the emptying of the water inlet pipe (2), the first pretreatment box body (3) and the second pretreatment box body (4), and a sixth electromagnetic valve (13) is arranged on the cleaning pipeline (14).
8. The pretreatment device of the water quality on-line monitoring instrument according to claim 6, characterized in that: the bottom of the filter cover (6) is provided with a detachable bottom plate which can facilitate the cleaning of the filter cover (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122725964.0U CN216247452U (en) | 2021-11-09 | 2021-11-09 | Water quality online monitoring instrument preprocessing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122725964.0U CN216247452U (en) | 2021-11-09 | 2021-11-09 | Water quality online monitoring instrument preprocessing device |
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| CN216247452U true CN216247452U (en) | 2022-04-08 |
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| CN202122725964.0U Active CN216247452U (en) | 2021-11-09 | 2021-11-09 | Water quality online monitoring instrument preprocessing device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115196773A (en) * | 2022-07-29 | 2022-10-18 | 苏州碧青环境科技有限公司 | Surface water pretreatment device and process |
| CN117007138A (en) * | 2023-08-09 | 2023-11-07 | 新疆生产建设兵团建设工程(集团)有限责任公司 | Rock mass water flow monitoring device |
-
2021
- 2021-11-09 CN CN202122725964.0U patent/CN216247452U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115196773A (en) * | 2022-07-29 | 2022-10-18 | 苏州碧青环境科技有限公司 | Surface water pretreatment device and process |
| CN117007138A (en) * | 2023-08-09 | 2023-11-07 | 新疆生产建设兵团建设工程(集团)有限责任公司 | Rock mass water flow monitoring device |
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