CN220323286U - Biochemical pool water quality detection system - Google Patents
Biochemical pool water quality detection system Download PDFInfo
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- CN220323286U CN220323286U CN202321780573.1U CN202321780573U CN220323286U CN 220323286 U CN220323286 U CN 220323286U CN 202321780573 U CN202321780573 U CN 202321780573U CN 220323286 U CN220323286 U CN 220323286U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 112
- 238000001514 detection method Methods 0.000 title claims abstract description 41
- 238000005070 sampling Methods 0.000 claims abstract description 84
- 239000012535 impurity Substances 0.000 claims abstract description 27
- 239000007788 liquid Substances 0.000 claims description 10
- 239000000523 sample Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000012372 quality testing Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 4
- 239000010865 sewage Substances 0.000 description 3
- 238000005273 aeration Methods 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model relates to a water quality detection system of a biochemical pool, which comprises a detection device and a plurality of biochemical pools, wherein the detection device comprises a detector; the detection device further comprises a sampling box and a PLC (programmable logic controller), wherein the sampling box is communicated with a impurity removal emptying pipeline and provided with a plurality of water inlets, the number of the water inlets is matched with that of the biochemical tanks and is connected one by one through a water inlet pipe, the water inlet pipe is provided with sampling pumps, and the PLC is in control connection with the sampling pumps; the sampling end of the detector stretches into the sampling box so as to detect the water quality in the sampling box. The utility model is provided with the sampling box with a plurality of water inlets, so as to realize the sampling of a plurality of biochemical pools, thereby realizing that one set of equipment can detect the water quality of a plurality of biochemical pools, and a PLC (programmable logic controller) is used for controlling the sampling pump connected with the water inlet pipe of each biochemical pool, thereby conveniently controlling the sampling of each biochemical pool, and realizing the effect that one set of detection equipment can detect the water quality of a plurality of biochemical pools with lower cost.
Description
Technical Field
The utility model belongs to the technical field of sewage detection and monitoring, and particularly relates to a water quality detection system of a biochemical pool.
Background
CAST is short for intermittent water inlet periodic cycle type activated sludge technology. The whole process integrates aeration and sedimentation functions, and water inflow, aeration, sedimentation and drainage are sequentially carried out in the same tank, and the process is circulated periodically, so that the process has good denitrification and dephosphorization effects.
After sewage treatment is carried out by the CAST process, the water sample at the water outlet of the biochemical pond is required to be detected, so that the water quality of the water outlet is ensured. At present, in a sewage treatment plant, a plurality of biochemical tanks are usually arranged, if a plurality of sets of detection equipment are purchased to detect water quality one by one with the biochemical tanks, the purchase cost of the equipment is increased, and meanwhile, the management and maintenance cost is also increased.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model aims to provide a water quality detection system for a biochemical pool, which solves the problem of higher equipment cost caused by one-to-one equipment for detecting a plurality of biochemical pools.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a water quality detection system of a biochemical pool comprises a detection device and a plurality of biochemical pools, wherein the detection device comprises a detector; the detection device further comprises a sampling box and a PLC (programmable logic controller), wherein the sampling box is communicated with a impurity removal emptying pipeline and provided with a plurality of water inlets, the number of the water inlets is matched with that of the biochemical tanks and is connected one by one through a water inlet pipe, the water inlet pipe is provided with sampling pumps, and the PLC is in control connection with the sampling pumps; the sampling end of the detector stretches into the sampling box so as to detect the water quality in the sampling box.
The technical scheme is further perfected, the sampling box comprises a box body with an open top end and a box cover which can be opened and closed, and the box cover is matched with the box body; an overflow port is formed in the side wall of the box body at a position close to the open end and is externally connected to the overflow pool through an overflow pipeline; the heights of the water inlets are lower than the overflow port.
Further, the impurity removal emptying pipeline is connected to the bottom of the sampling box, an openable valve is arranged on the impurity removal emptying pipeline, and the PLC is controlled and connected with the valve.
Further, the overflow pipeline extends downwards and then horizontally extends and passes through the lower part of the impurity removal emptying pipeline, a first tee joint is arranged on the overflow pipeline below the impurity removal emptying pipeline, and the free end of the impurity removal emptying pipeline extends downwards and is communicated with the first tee joint so as to be connected to the overflow tank together with the overflow pipeline through the first tee joint.
Further, the number of the biochemical tanks is four, and the number of the water inlets is four and is arranged on the side wall of the box body at intervals;
the water inlet is also externally connected with a standby overflow pipeline, and the water inlet is communicated with the water inlet pipe and the standby overflow pipeline through a second tee joint;
the water inlet pipe is provided with a one-way valve, the standby overflow pipeline is provided with overflow valves, and the PLC is in control connection with the overflow valves;
and a liquid level meter is further arranged in the sampling box.
Further, the sampling box is cuboid, four water inlets are opposite to each other, the height interval is arranged on the side wall of the sampling box, and four second tee joints are connected with the four water inlets one by one; the overflow port is arranged on the side wall of any side of the sampling box and is positioned above the four water inlets;
the box cover is provided with a sampling hole in a penetrating mode, and a detection probe of the detector is formed into the sampling end and stretches into the position below the liquid level in the box body through the sampling hole so as to conduct sampling detection.
Compared with the prior art, the utility model has the following beneficial effects:
1. the water quality detection system for the biochemical pools is provided with the sampling box with the water inlets, so that the sampling of the biochemical pools is realized, the water quality of the biochemical pools can be detected by one set of equipment, the sampling pump connected with the water inlet pipe of each biochemical pool is controlled by the PLC, the sampling and detection of each biochemical pool are conveniently controlled, the effect that the water quality of the biochemical pools is respectively sampled and detected by one set of detection equipment in different set time periods is realized, and the cost is reduced.
2. According to the water quality detection system for the biochemical pool, provided by the utility model, the situation that the flow rates of the overflow pipeline and the impurity removal emptying pipeline are insufficient can be dealt with by arranging the standby overflow pipeline; when the current biochemical pond carries out the sample of intaking, if the level gauge monitors the water level in the sampling box when too high, then open the overflow valve for reserve overflow pipeline is in operating condition together with overflow pipeline, is convenient for adjust the water velocity of flow in the sampling box.
Drawings
FIG. 1 is a schematic diagram of a connection structure of a biochemical pool water quality detection system according to an embodiment;
the biochemical tank 1, the detector 2, the liquid level meter 3, the sampling box 5, the water inlet pipe 51, the impurity removal emptying pipeline 52, the overflow pipeline 53, the first tee joint 55, the standby overflow pipeline 56, the second tee joint 57, the one-way valve 58, the overflow valve 59, the sampling pump 6 and the PLC controller 7.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance. Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined. In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The following describes the embodiments of the present utility model in further detail with reference to the drawings.
Referring to fig. 1, a biochemical pool water quality detection system of an embodiment includes a detection device and a plurality of biochemical pools 1, wherein the detection device includes a detector 2; the detection device further comprises a sampling box 5 and a PLC (programmable logic controller) 7, wherein the sampling box 5 is communicated with a impurity removal emptying pipeline 52 and is provided with a plurality of water inlets, the number of the water inlets is matched with that of the biochemical tanks 1, the water inlets are connected with the water outlet of the biochemical tanks 1 one by one through a water inlet pipe 51, the water inlet pipe 51 is provided with sampling pumps 6, and the PLC 7 is in control connection with the sampling pumps 6; the sampling end of the detector 2 extends into the sampling tank 5 so as to detect the water quality in the sampling tank 5.
The sampling box 5 with a plurality of water inlets is arranged, sampling of a plurality of biochemical tanks 1 is achieved, accordingly, water quality of a plurality of biochemical tanks 1 can be detected by one set of equipment, the sampling pump 6 on the water inlet pipe 51 connected with each biochemical tank 1 is controlled by the PLC 7, sampling and detection of each biochemical tank 1 are conveniently controlled, effects of respectively sampling and detecting water quality of a plurality of biochemical tanks by one set of detection equipment at different set time intervals are achieved, and equipment purchase cost is reduced. In practice, the sampling pump 6 can be arranged on the water surface of the biochemical pool 1, and the suction inlet is extended into the position below the water surface of the biochemical pool 1 through the water inlet pipe 51; the sampling pump 6 may be a submerged pump, and is located at the end of the water inlet pipe 51, and is fixed or suspended below the water surface of the biochemical tank 1 by a bracket, which is not particularly limited.
With continued reference to fig. 1, the sampling box 5 includes a box body with an open top end and an openable box cover, where the box cover is adapted to the box body; an overflow port is formed in the side wall of the box body at a position close to the open end and is externally connected to an overflow pool (not shown in the figure) through an overflow pipeline 53; the heights of the water inlets are lower than the overflow port.
Thus, when water inflow sampling is avoided, water to be detected in the sampling box 5 overflows out of the sampling box 5.
The impurity removal emptying pipeline 52 is connected to the bottom of the sampling box 5, an openable valve is arranged on the impurity removal emptying pipeline 52, and the PLC 7 is controlled to be connected with the valve.
Thus, when the water body in the other biochemical pond 1 needs to be detected, the valve on the impurity removal emptying pipeline 52 is opened for emptying; when the water quality of the flowing water body needs to be detected, the PLC controller 7 controls the corresponding sampling pump 6 to work all the time, and simultaneously controls the valve on the impurity removal emptying pipeline 52 to open to set the opening degree, so that the water quality of the flowing water body can be detected.
Wherein, the overflow pipe 53 extends downward and then horizontally extends and passes under the impurity removing and emptying pipe 52, a first tee joint 55 is arranged under the impurity removing and emptying pipe 52 on the overflow pipe 53, and the free end of the impurity removing and emptying pipe 52 extends downward and is communicated with the first tee joint 55 so as to be connected to the overflow pool together with the overflow pipe 53 through the first tee joint 55.
In this way, the overflow line 53 and the impurity removal drain line 52 are connected together externally to the overflow tank, simplifying the line layout as much as possible.
The number of the biochemical tanks 1 is four, and the number of the water inlets is four and is arranged on the side wall of the box body at intervals; the water inlet is also externally connected with a standby overflow pipeline 56, and the water inlet is communicated with the water inlet pipe 51 and the standby overflow pipeline 56 through a second tee 57; the water inlet pipe 51 is provided with a one-way valve 58, the standby overflow pipeline 56 is provided with overflow valves 59, and the PLC 7 is in control connection with each overflow valve 59; the sampling box 5 is internally provided with a liquid level meter 3, the lower end of the liquid level meter 3 is arranged in the box body, and the upper end of the liquid level meter 3 extends out to the upper part of the box cover.
Thus, by the design of the standby overflow pipeline 56, the situation that the valves of the overflow pipeline 53 and the impurity removal emptying pipeline 52 are inconvenient to adjust the water flow rate or cannot overflow effectively can be dealt with; when the biochemical tank 1 is used for water inflow sampling, if the liquid level meter 3 monitors that water in the sampling tank 5 is about to overflow, the overflow valve 59 is opened, so that the standby overflow pipeline 56 and the overflow pipeline 53 are in a working state together.
In this embodiment, the sampling box 5 is in a vertical cuboid shape, the four water inlets are opposite to each other, the height intervals are arranged on the side wall of the sampling box 5, and the four second tee joints 57 are connected with the four water inlets one to one; the overflow port is arranged on the side wall of any side of the sampling box 5 and is positioned above the four water inlets;
the box cover is provided with a sampling hole in a penetrating manner, and a detection probe of the detector 2 is formed into the sampling end and extends into the box body through the sampling hole to be under the liquid level so as to perform sampling detection.
When the water quality detection is needed to be carried out on the water outlet of a certain biochemical pond 1, firstly, a valve on the impurity removal and emptying pipeline 52 is opened for impurity removal and emptying, and then the valve is closed; a sampling pump 6 on the biochemical pool is opened through a PLC controller 7 to sample water, and the water level condition in a sampling box 5 is monitored through a liquid level meter 3 to avoid water overflow to be detected; if the water level is found to be too high and the overflow pipeline is insufficient to cope with, opening an overflow valve 59 on the standby overflow pipeline 56 connected with the corresponding water inlet of the biochemical pond, and performing overflow treatment for the second time; after the water inlet condition is stable, water quality detection is carried out on a sample (water body) through a sampling end of the detector 2. When the water quality of the effluent of the other biochemical pool needs to be detected, the operation is performed again.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.
Claims (7)
1. A water quality detection system of a biochemical pool comprises a detection device and a plurality of biochemical pools, wherein the detection device comprises a detector; the method is characterized in that: the detection device further comprises a sampling box and a PLC (programmable logic controller), wherein the sampling box is communicated with a impurity removal emptying pipeline and provided with a plurality of water inlets, the number of the water inlets is matched with that of the biochemical tanks and is connected one by one through a water inlet pipe, the water inlet pipe is provided with sampling pumps, and the PLC is in control connection with the sampling pumps; the sampling end of the detector stretches into the sampling box so as to detect the water quality in the sampling box.
2. The biochemical pool water quality detection system according to claim 1, wherein: the impurity removal emptying pipeline is connected to the bottom of the sampling box, an openable valve is arranged on the impurity removal emptying pipeline, and the PLC is controlled to be connected with the valve.
3. The biochemical pool water quality detection system according to claim 1, wherein: the sampling box comprises a box body with an open top end and a box cover which can be opened and closed, and the box cover is matched with the box body; an overflow port is formed in the side wall of the box body at a position close to the open end and is externally connected to the overflow pool through an overflow pipeline; the heights of the water inlets are lower than the overflow port.
4. A biochemical pool water quality testing system according to claim 3, wherein: the overflow pipeline extends downwards and then horizontally extends and passes through the lower part of the impurity removal emptying pipeline, a first tee joint is arranged on the overflow pipeline below the impurity removal emptying pipeline, and the free end of the impurity removal emptying pipeline extends downwards and is communicated with the first tee joint so as to be connected to the overflow tank together with the overflow pipeline through the first tee joint.
5. A biochemical pool water quality testing system according to claim 3, wherein: the box cover is provided with a sampling hole in a penetrating mode, and a detection probe of the detector is formed into the sampling end and stretches into the box body through the sampling hole.
6. The biochemical pool water quality detection system according to claim 1, wherein: the water inlet is also externally connected with a standby overflow pipeline, and the water inlet is communicated with the water inlet pipe and the standby overflow pipeline through a second tee joint;
the water inlet pipe is provided with a one-way valve, the standby overflow pipeline is provided with overflow valves, and the PLC is in control connection with the overflow valves; and a liquid level meter is further arranged in the sampling box.
7. The biochemical pool water quality detection system according to claim 1, wherein: the number of the biochemical tanks is four, and the number of the water inlets is four and is arranged on the side wall of the box body at intervals; the sampling box is cuboid, four water inlets are opposite to each other, and the high and low intervals are arranged on the side wall of the sampling box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321780573.1U CN220323286U (en) | 2023-07-07 | 2023-07-07 | Biochemical pool water quality detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321780573.1U CN220323286U (en) | 2023-07-07 | 2023-07-07 | Biochemical pool water quality detection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220323286U true CN220323286U (en) | 2024-01-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321780573.1U Active CN220323286U (en) | 2023-07-07 | 2023-07-07 | Biochemical pool water quality detection system |
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|---|---|
| CN (1) | CN220323286U (en) |
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2023
- 2023-07-07 CN CN202321780573.1U patent/CN220323286U/en active Active
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