CN113049349A - Anti-turbidity interference device of water quality analyzer - Google Patents
Anti-turbidity interference device of water quality analyzer Download PDFInfo
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Abstract
The invention provides a turbidity interference resistant device of a water quality analyzer, which comprises a water taking unit, a precipitation unit, a first filtering unit, a second filtering unit, a first analysis unit, a second analysis unit, a third analysis unit and a fourth analysis unit, wherein the water taking unit is connected with the bottom of the precipitation unit and the first analysis unit, the top of the precipitation unit is connected with the first filtering unit, the first filtering unit is connected with the second filtering unit and the second analysis unit, the second filtering unit comprises a primary filter and a secondary filter, the primary filter is connected with the third analysis unit, the secondary filter is connected with the fourth analysis unit, the first analysis unit, the second analysis unit, the third analysis unit and the fourth analysis unit respectively monitor different parameter data in a water sample so as to prevent impurities in the water sample from interfering water quality analysis and simultaneously complete the detection of a plurality of parameter data, effectively promote monitoring accuracy to and monitoring efficiency.
Description
Technical Field
The invention relates to a transmission device, in particular to a turbidity interference resistant device of a water quality analyzer.
Background
The water quality analyzer is a water quality monitoring tool, can automatically monitor various parameters of water quality in real time, and can timely master the change of the water quality, such as measuring the water temperature, identifying the water color, the transparency and the turbidity, and monitoring ammonia nitrogen, total phosphorus and the like contained in water. When the water quality monitoring to sewage, because contain large granule impurity such as a large amount of mud, pasture and water in the sewage, and impurity can interfere the instrument analysis and influence the instrument and use, consequently after gathering the water sample, will carry out filtration treatment to water earlier. The existing water quality analyzer has single function and low monitoring efficiency.
Disclosure of Invention
The invention provides a turbidity interference resisting device of a water quality analyzer, which is used for improving the accuracy of a monitoring result and the monitoring efficiency.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the utility model provides a water quality analyzer's anti turbidity interference device, includes water intaking unit, precipitation unit, first filter unit, second filter unit, first analysis unit, second analysis unit, third analysis unit and fourth analysis unit, the water intaking unit connect in precipitation unit's bottom with first analysis unit, precipitation unit's top is connected with first filter unit, first filter unit is connected with the second filter unit with the second analysis unit, the second filter unit includes primary filter and secondary filter, the primary filter is connected with the third analysis unit, the secondary filter is connected with the fourth analysis unit.
Optionally, the filtering grades of the first filtering unit, the primary filter and the secondary filter are gradually increased.
Optionally, the first filter unit comprises a first filter box and a first filter element, the first filter element being located inside the first filter box and connected to the top of the first filter box.
Optionally, a first filtering pipe is connected between the first filtering tank and the second filtering unit, and the first filtering pipe is connected to the top of the first filtering tank and is disposed opposite to the first filtering member.
Optionally, the second filtering unit includes a second filtering tank, the primary filter and the secondary filter are located inside the second filtering tank and both connected to a sidewall of the second filtering tank, and the primary filter is located at an upper portion of the secondary filter.
Optionally, the primary filter comprises a primary collection portion and a plurality of primary filter members, and the plurality of primary filter members are connected to the inner side wall of the second filter box through one primary filter; the secondary filter includes that the second grade converges portion and a plurality of second grade filter, and is a plurality of the second grade filters piece through one the second grade portion of gathering connect in on the inside wall of second rose box.
Optionally, a third analysis pipeline is connected between the second filter tank and the third analysis unit, the first-stage collection department is connected with the third analysis pipeline in an opposite manner, and a fourth analysis pipeline is connected between the second filter tank and the fourth analysis unit. And the second-level collection part is oppositely connected with the fourth analysis pipeline.
Optionally, the primary filter element and the secondary filter element are spaced apart.
Optionally, still include the cleaning unit, the cleaning unit includes first washing pipeline, second washing pipeline, third washing pipeline, fourth washing pipeline and fifth washing pipeline, the second wash the pipeline connect in first washing pipeline with deposit between the unit, the third washing pipeline connect in first washing pipeline with between the first filter unit, the fourth washing pipeline connect in first washing pipeline with between the third analysis pipeline, the fifth washing pipeline connect in first washing pipeline with between the fourth analysis pipeline.
Optionally, the second analysis conduit is connected to the third wash conduit.
Compared with the prior art, the technical scheme has the following advantages:
the first analysis unit, the second analysis unit the third analysis unit with the fourth analysis unit monitors different parameter data in the water sample respectively, and its water sample filtration condition that corresponds is also different to prevent impurity interference water quality analysis in the water sample, and can accomplish the detection of a plurality of parameter data simultaneously, effectively promote the monitoring accuracy, and monitoring efficiency, further improve service function.
The invention is further described with reference to the following figures and examples.
Drawings
FIG. 1 is a schematic structural diagram of an anti-turbidity disturbing apparatus of a water quality analyzer according to the present invention;
fig. 2 is a schematic structural diagram of a second filter unit according to the present invention.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the invention.
As shown in fig. 1, the anti-turbidity interference apparatus of the water quality analyzer includes at least one water intake unit 100, a precipitation unit 200, a first filtering unit 310, a second filtering unit 320, a first analyzing unit 410, a second analyzing unit 420, a third analyzing unit 430 and a fourth analyzing unit 440, wherein the water intake unit 100 is connected to the bottom of the precipitation unit 200 and the first analyzing unit 410, the top of the precipitation unit 200 is connected to the first filtering unit 310, the first filtering unit 310 is connected to the second filtering unit 320 and the second analyzing unit 420, the second filtering unit 320 includes a first filter 321 and a second filter 322, the first filter 321 is connected to the third analyzing unit 430, and the second filter 322 is connected to the fourth analyzing unit 440.
The water taking unit 100 is used for collecting a water sample, and can transmit the water sample to the first analysis unit 410, analyze the water sample by the first analysis unit 410, and transmit the water sample to the precipitation unit 200 for precipitation, wherein the precipitation unit 200 can precipitate large particulate matters in the water sample to the bottom, transmit the precipitated water sample to the first filtering unit 310 for filtration, transmit the filtered water sample to the second analysis unit 420, analyze the water sample by the second analysis unit 420, further transmit the water sample filtered by the first filtering unit 310 to the second filtering unit 320, and sequentially filter the water sample through the primary filter 321 and the secondary filter 322, wherein the water sample filtered by the primary filter 321 is transmitted to the third analysis unit 430, analyze the water sample by the third analysis unit 430, and filter the water sample filtered by the secondary filter 322, transmitted to the fourth analyzing unit 440 and analyzed by the fourth analyzing unit 440.
Further, the first analyzing unit 410, the second analyzing unit 420, the third analyzing unit 430, and the fourth analyzing unit 440 monitor different parameter data in the water sample, and the corresponding water samples have different filtering conditions, so as to prevent impurities in the water sample from interfering with the water quality analysis, and can complete the detection of multiple parameter data simultaneously, thereby effectively improving the monitoring precision. Specifically, the filtering grades of the first filtering unit 310, the first-stage filter 321 and the second-stage filter 322 are different, and the filtering grades are gradually increased, wherein the filtering grade of the first filtering unit 310 is the lowest, and the filtering grade of the second-stage filter 322 is the highest, so that the subsequent first analyzing unit 410, the second analyzing unit 420, the third analyzing unit 430 and the fourth analyzing unit 440 correspondingly monitor water samples with different filtering conditions.
As shown in fig. 1, the water intake unit 100 may be a submersible pump for diving and extracting water samples such as rivers, reservoirs, canals, etc.
The number of the water getting units 100 can be multiple, so as to increase the obtaining amount of the water sample. Of course, the water intake unit 100 can be placed in different water areas to obtain water samples in different water areas, and the selected water samples are analyzed by using valves and the like for control. It should be noted that, the submersible pump includes a filter screen, which can perform preliminary filtering on a water sample, and prevent branches, stones, etc. in the water from entering subsequent parts, which may affect the use of the parts, where the parts include the precipitation unit 200, the first filtering unit 310, the first analysis unit 410, a pipeline, etc.
With continued reference to fig. 1, each of the intake units 100 may be connected to an intake pipe 1001, a plurality of the intake pipes 1001 are connected to an intake collection pipe 1002, and the intake collection pipe 1022 is connected to the opposite end of the intake pipe 1001 to be connected to the bottom of the precipitation unit 200. It can be seen that each of the water intake units 100 transmits water through the corresponding connected water intake pipes 1001 and collects the water in the water intake collecting pipe 1002, wherein each of the water intake pipes 1001 may be provided with a valve through which the water sample in the pipe is cut off or communicated, and each of the water intake pipes 1001 may be provided with a plurality of valves, and the types of the valves may be different, for example, a high-quality electric ball valve and a common ball valve are used simultaneously, and the valves may be controlled electrically and manually. By increasing the number and types of valves, the usability of the water intake pipe 1001 is improved.
Similarly, an electric ball valve and a common valve may be disposed on the water intake manifold 1002 to control whether water from the water intake pipe 1001 is introduced into the precipitation unit 200.
The first analysis unit 410 is connected to the intake collection pipe 1002 through a first analysis pipe 4101 and is located in front of a valve on the intake collection pipe 1002, i.e. water from the intake pipe 1001 first passes into the intake collection pipe 1002, then is guided to the first analysis unit 410 through the first analysis pipe 4101, and is analyzed by the first analysis unit 410. Meanwhile, the water inlet manifold pipe 1002 can control whether to be communicated into the precipitation unit 200 or not. Likewise, an electric ball valve and a common valve may be provided in the first analysis pipe 4101.
It should be noted that the water intake collecting pipe 1002 is connected to the bottom of the precipitation unit 200 to allow the water to rise up and down, and the settled water is passed into the first filtration unit 310 connected to the top of the precipitation unit 200.
As shown in fig. 1, a pump 500 is connected between the precipitation unit 200 and the first filtering unit 310, and whether the water in the precipitation unit 200 is introduced into the first filtering unit 310 or not is controlled by the pump 500, that is, the precipitation time of the precipitation unit 200 on the sampled water is controlled. Specifically, a settling pipe 2001 is connected between the settling unit 200 and the first filtering unit 310, a pump 500 is disposed on the settling pipe 2001, and the pump 500 may be a diaphragm pump.
The settling unit 200 comprises a settling tank 210 and a settling screen 220 disposed in the settling tank 210, wherein the settling pipe 2001 extends into the settling tank 210 and is located at an upper portion of the settling screen 220. The junction of the water intake collecting pipe 1002 and the settling tank 210 is located at the lower part of the settling screen 220, so that the water intake collecting pipe 1002 introduces water into the settling tank 210, so that the settling screen 220 filters impurities in the water again, and the impurities in the water are prevented from being introduced into the first filtering unit 310 along with the settling pipe 2001, and further the impurities are prevented from interfering with the use of the first filtering unit 310, and the subsequent monitoring precision of the second analyzing unit 420, the third analyzing unit 430 and the like.
The filtering grade of the precipitation screen 220 is greater than that of the first filtering unit 310. The sediment screen 220 may be fixedly or detachably installed inside the sediment tank 210.
The first filtering unit 310 includes a first filtering box 311 and a first filtering member 312, the first filtering member 312 is located inside the first filtering box 311 and is connected to the top of the first filtering box 311, wherein the first filtering member 312 has a cylindrical structure, and the opposite end of the first filtering member 312 connected to the first filtering box 311 can be in a ball shape, and the first filtering member 312 has one end in a ball shape, which has a gap with the bottom of the first filtering box 311. The surface of the first filter member 312 is provided with a plurality of filter holes for filtering impurities in the water sample.
Specifically, the settling pipe 2001 is connected to a side wall of the first filtering tank 311, a first filtering pipe 3101 is connected between the first filtering tank 311 and the second filtering unit 320, a valve is disposed on the first filtering pipe 3101, and water in the first filtering tank 311 can be introduced into the second filtering unit 320 through the first filtering pipe 3101. More specifically, the first filtering pipe 3101 is connected to the top of the first filtering tank 311 and is disposed opposite to the first filtering member 312, and when the settling pipe 2001 introduces the settled sampled water into the first filtering tank 311, the first filtering member 310 filters impurities in the water, so that the filtered sampled water is introduced into the second filtering unit 320 through the first filtering pipe 3101.
In addition, a second analysis pipe 3102 is connected between the first filtering tank 311 and the second analysis unit 420, a valve is provided on the second analysis pipe 3102, and the water filtered by the first filtering tank 311 may be introduced into the second analysis unit 420 through the second analysis pipe 3102.
The second filtering unit 320 includes a second filtering tank 323, the first filter 321 and the second filter 322 are located inside the second filtering tank 323 and are both connected to the sidewall of the second filtering tank 232, the first filter 321 is located at the upper portion of the second filter 322, and the first filtering pipe 3101 is connected to the top of the second filtering tank 323, so that sampled water filtered by the first filtering member 310 can be filtered by the first filter 321 and filtered by the second filter 322 after being introduced into the second filtering tank 323 through the first filtering pipe 3101.
As shown in fig. 1, a third analyzing pipe 3201 is connected between the second filtering unit 320 and the third analyzing unit 430, a valve is disposed on the third analyzing pipe 3201, and the third analyzing pipe 3201 can introduce the water sample filtered by the primary filter 321 into the third analyzing unit 430. The third analyzing pipe 3201 is correspondingly connected to the outer sidewall of the second filtering tank 323, and is disposed opposite to the primary filter 321. A fourth analyzing pipe 3202 is connected between the second filtering unit 320 and the fourth analyzing unit 440, a tweed is disposed on the fourth analyzing pipe 3202, and the fourth analyzing pipe 3202 can introduce the water sample filtered by the secondary filter 322 into the fourth analyzing unit 440. The fourth analyzing pipe 3202 should be connected to an outer sidewall of the second filtering case 323 and disposed opposite to the second-stage filter 322.
As shown in fig. 1 and 2, the primary filter 321 includes a primary converging portion 3212 and a plurality of primary filtering members 3211, the plurality of primary filtering members 3211 are connected to an inner sidewall of the second filtering case 323 through the primary filter 321, the primary converging portion 3212 is connected to the third analyzing pipe 3201, wherein the plurality of primary filtering members 3211 are spaced apart from each other, and each of the primary filtering members 3211 has a plurality of filtering holes.
The secondary filter 322 includes a secondary collecting portion 3222 and a plurality of secondary filtering members 3221, the plurality of secondary filtering members 3221 are connected to the inner side wall of the second filtering case 323 through one secondary collecting portion 3222, the secondary collecting portion 3222 is connected to the fourth analyzing duct 3202, wherein the plurality of secondary filtering members 3221 are arranged at intervals, and each of the secondary filtering members 3221 is provided with a plurality of filtering holes.
With continued reference to fig. 2, the primary and secondary filter elements 3211, 3221 are spaced to enhance the filtering effect of the primary and secondary filter elements 3211, 3221, and the primary and secondary filter elements 3211 are at a lower filtration rating than the secondary filter element 3221.
In one embodiment, the primary and secondary filter elements 3211, 3221 are parallel and are vertically disposed with the sidewalls of the second filter box 323 to which they are attached.
In another embodiment, the primary filter element 3211 is inclined downwardly and the secondary filter element 3221 is inclined upwardly such that the primary filter element 3211 and the secondary filter element 3221 are in an X-shaped configuration.
As shown in fig. 1, the primary filter 321 and the secondary filter 322 have the same length, and a gap is formed between the end of the primary filter 321 and the sidewall of the secondary filter box 323. So as to increase the contact area between the primary filter 321 and the secondary filter 322 and the water sample, and improve the filtering effect. Of course, the primary filter 321 and the secondary filter 322 may have different lengths, such as the primary filter element 3211 having a length greater than the secondary filter element 3221.
In summary, the filtration levels of the sediment filter 220, the first filter 312, the first filter 321 and the second filter 322 are gradually increased, so that the subsequent first analyzing unit 410, the second analyzing unit 420, the third analyzing unit 430 and the fourth analyzing unit 440 monitor water samples with different filtration levels.
As shown in fig. 1, a second analyzing branch 3103 is further connected between the second analyzing pipeline 3102 and the third analyzing unit 430, and a valve is disposed on the second analyzing branch 3103, so as to mix the water sample filtered by the primary filter 321 and the first filtering unit 310, and then analyze the water sample by the third analyzing unit 430, so as to prevent the primary filter 321 from filtering the water sample too much, which affects the monitoring accuracy of the third analyzing unit 430, and additionally, increase the usability of the third analyzing unit 430.
Similarly, a second sub-analysis pipe 3104 is connected between the second analysis pipeline 3102 and the fourth analysis unit 440, and a valve is disposed on the second sub-analysis pipe 3104, so that the fourth analysis unit 440 can monitor the sampled water filtered and mixed by the secondary filter 322 and the first filtering unit 310.
The second analysis unit 420, the third analysis unit 430 and the fourth analysis unit 440 are correspondingly provided with a liquid level meter 450 and a stirring piece, the stirring piece can stir the mixed water sample, the liquid level meter 450 is used for measuring the liquid level, when the liquid level reaches a set value, the controllable valve is closed to prevent the water sample from continuously flowing in, and the stirring piece is started and corresponding parameter data are measured through the corresponding measuring piece. The first analysis unit 410 includes an electrode bucket 411 for measuring parameter data in a water sample. Specifically, the second analyzing unit 420, the third analyzing unit 430 and the fourth analyzing unit 440 may correspond to monitoring of ammonia nitrogen, total phosphorus, etc. contained in water, and the first analyzing unit 410 may correspond to monitoring of color, transparency, turbidity, etc. of water contained in water. It should be noted that, the first analysis unit 410 monitors the transparency and the turbidity of the water, so that the water sample collected by the water intake unit 100 can be directly monitored without being filtered by the first filter unit 310 and the second filter unit 320, and thus the monitoring accuracy of the first analysis unit 410 can be effectively improved. In addition, the second analysis unit 420 may monitor the ammonia nitrogen value in the water, the third analysis unit 430 may monitor the high-manganese-acid-salt index in the water, and the fourth analysis unit 440 may monitor the phosphorus value in the water.
The anti-turbidity interference device of the water quality analyzer further comprises a cleaning unit 600, the cleaning unit 600 comprises a first cleaning pipeline 610 and a second cleaning pipeline 620, the second cleaning pipeline 620 is connected between the first cleaning pipeline 610 and the precipitation unit 200, specifically, the second cleaning pipeline 620 is connected to the top of the precipitation tank 210, the bottom of the precipitation tank 210 is connected with a precipitation drainage pipeline 2002, valves are arranged on the first cleaning pipeline 610, the second cleaning pipeline 620 and the precipitation drainage pipeline 2002, when cleaning, the valve on the water intake manifold pipeline 1002 can be closed, the pump 500 can be closed, then the first cleaning pipeline 610, the second cleaning pipeline 620 and the valve on the precipitation drainage pipeline 2002 are opened in sequence to spray cleaning liquid into the precipitation tank 210 to clean the precipitation filter screen 220 from top to bottom, so that the cleaned liquid is discharged from the precipitation drain line 2002.
As shown in fig. 1, the second cleaning pipe 620 is connected to the first cleaning pipe 610 and extends to the inside of the settling tank 210, and is connected to a spraying member 621 capable of rotating, and by rotating the spraying member 621, the cleaning effect on the settling screen 220 is improved.
The cleaning unit 600 further includes a third cleaning pipeline 630, a valve is disposed on the third cleaning pipeline 630, the third cleaning pipeline 630 is connected between the first cleaning pipeline 610 and the first filtering unit 310, specifically, the third cleaning pipeline 630 is connected to the top of the first filtering tank 311, and is disposed opposite to the first filtering component 312, the bottom of the first filtering tank 311 is connected with a first filtering drainage pipeline 3105, so that the third cleaning pipeline 630 can spray cleaning liquid onto the first filtering component 312 to clean the first filtering component 312, and the cleaned liquid can be discharged through the first filtering drainage pipeline 3105.
The cleaning unit 600 further includes a fourth cleaning pipeline 640 and a fifth cleaning pipeline 650, valves are disposed on the fourth cleaning pipeline 640 and the fifth cleaning pipeline 650, wherein the fourth cleaning pipeline 640 is connected between the first cleaning pipeline 610 and the third analyzing pipeline 3201 and located before the valve on the third analyzing pipeline 3201 for cleaning the first-stage filter 321, the fifth cleaning pipeline 650 is connected between the first cleaning pipeline 610 and the fourth analyzing pipeline 3202 and located before the valve on the fourth analyzing pipeline 3202 for cleaning the second-stage filter 322, a second filtering drainage pipeline 3203 is disposed at the bottom of the second filtering box 323, and the cleaned liquid can be discharged through the second filtering drainage pipeline 3203.
The second analyzing pipeline 3102 may be connected to the third cleaning pipeline 630, and a cleaning solution may be introduced into the second analyzing unit 420, the third analyzing unit 430 and the fourth analyzing unit 440 to clean them, wherein the second analyzing drain pipeline 421 is connected to the bottom of the second analyzing unit 420 to drain the cleaned liquid, the third analyzing drain pipeline 431 is connected to the bottom of the third analyzing unit 430, the fourth analyzing drain pipeline 441 is connected to the bottom of the fourth analyzing unit 440, and valves are correspondingly disposed on the second analyzing drain pipeline 421, the third analyzing drain pipeline 431 and the fourth analyzing drain pipeline 441.
As shown in fig. 1, a cleaning agent pump is connected to the first cleaning pipe 610 for adding a cleaning agent and the like to improve the cleaning effect, and a valve is used to control whether the cleaning agent passes through. After the filter is cleaned by a cleaning agent and the like, the valve corresponding to the cleaning agent is closed, so that the filter is cleaned by cleaning, and the influence of the residual cleaning agent on the monitoring accuracy is prevented.
The cleaning solution can be tap water or recycled water.
As shown in fig. 1, a settling overflow pipe 2003 is connected to the settling tank 210, and the settling overflow pipe 2003 is located above the settling screen 220 and below the settling pipe 2001, so as to prevent the settling effect of the water sample in the settling tank 210 and the pumping capacity of the pump 500 from being affected by the water sample exceeding a set water level. It can be seen that water exceeding a set water level can be discharged through the settling overflow 2003.
Similarly, a second analysis overflow pipe 422 is connected between the second analysis unit 420 and the second analysis drain pipe 421, a third analysis overflow pipe 432 is connected between the third analysis unit 430 and the third analysis drain pipe 431, and a fourth analysis overflow pipe 442 is connected between the fourth analysis unit 440 and the fourth analysis drain pipe 441.
Similarly, the electrode barrel 411 is correspondingly connected with a first analysis drain pipe 412 and the first analysis overflow pipe 413.
As shown in fig. 1, the first analyzing unit 410, the second analyzing unit 420, the third analyzing unit 430 and the fourth analyzing unit 440 are correspondingly provided with displays to display the corresponding detected parameter data.
To sum up, first analysis unit 410, second analysis unit 420, third analysis unit 430 with fourth analysis unit 440 monitors different parameter data in the water sample respectively, and its water sample filtration condition that corresponds is also different to prevent impurity in the water sample from disturbing water quality analysis, and can accomplish the detection of a plurality of parameter data simultaneously, effectively promote the monitoring accuracy.
The above-mentioned embodiments are only for illustrating the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the same, and the scope of the present invention is not limited by the embodiments, i.e. all equivalent changes or modifications made in the spirit of the present invention are still within the scope of the present invention.
Claims (10)
1. The utility model provides a water quality analyzer's anti turbidity interference device, its characterized in that, includes water intaking unit, precipitation unit, first filter unit, second filter unit, first analysis unit, second analysis unit, third analysis unit and fourth analysis unit, the water intaking unit connect in precipitation unit's bottom with first analysis unit, precipitation unit's top is connected with first filter unit, first filter unit is connected with the second filter unit with the second analysis unit, the second filter unit includes primary filter and secondary filter, primary filter is connected with the third analysis unit, secondary filter is connected with the fourth analysis unit.
2. The apparatus for preventing turbidity according to claim 1, wherein the filtration grade of said first filtration unit, said primary filter and said secondary filter is gradually increased.
3. The apparatus of claim 1, wherein the first filter unit comprises a first filter box and a first filter member, the first filter member being located inside the first filter box and being connected to a top of the first filter box.
4. A turbidity interference preventing device for a water quality analyzer according to claim 3, wherein a first filtering pipe is connected between said first filtering tank and said second filtering unit, and said first filtering pipe is connected to a top portion of said first filtering tank and is disposed opposite to said first filtering member.
5. The apparatus of claim 1, wherein the second filtering unit comprises a second filtering tank, the primary filter and the secondary filter are located inside the second filtering tank and are both connected to a sidewall of the second filtering tank, and the primary filter is located at an upper portion of the secondary filter.
6. The apparatus for preventing turbidity according to claim 5, wherein said primary filter comprises a primary manifold and a plurality of primary filter members, said plurality of primary filter members being connected to an inner side wall of said second filter tank through a primary filter; the secondary filter includes that the second grade converges portion and a plurality of second grade filter, and is a plurality of the second grade filters piece through one the second grade portion of gathering connect in on the inside wall of second rose box.
7. The apparatus of claim 6, wherein a third analyzing pipe is connected between the second filtering tank and the third analyzing unit, the first collecting unit is connected to the third analyzing pipe, and a fourth analyzing pipe is connected between the second filtering tank and the fourth analyzing unit. And the second-level collection part is oppositely connected with the fourth analysis pipeline.
8. The apparatus for preventing turbidity according to claim 6, wherein said primary filter member and said secondary filter member are spaced apart from each other.
9. The apparatus of claim 7, further comprising a washing unit, wherein the washing unit comprises a first washing pipe, a second washing pipe, a third washing pipe, a fourth washing pipe and a fifth washing pipe, the second washing pipe is connected between the first washing pipe and the precipitation unit, the third washing pipe is connected between the first washing pipe and the first filtering unit, the fourth washing pipe is connected between the first washing pipe and the third analysis pipe, and the fifth washing pipe is connected between the first washing pipe and the fourth analysis pipe.
10. The apparatus for preventing turbidity according to claim 9, wherein said second analysis pipe is connected to said third washing pipe.
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