CN219641696U

CN219641696U - Water quality analysis device

Info

Publication number: CN219641696U
Application number: CN202320400268.9U
Authority: CN
Inventors: 汪军林; 余志祥; 冯玮; 王建豪; 柴晓琴
Original assignee: CHN Energy Group Science and Technology Research Institute Co Ltd
Current assignee: CHN Energy Group Science and Technology Research Institute Co Ltd
Priority date: 2023-03-06
Filing date: 2023-03-06
Publication date: 2023-09-05
Anticipated expiration: 2033-03-06

Abstract

The utility model relates to the technical field of water quality analysis and discloses a water quality analysis device. The water quality analysis device comprises a buffer device, a flow regulating device, a water quality analyzer and a water sample discharge pipe, wherein a buffer cavity is arranged in the buffer device, and a water inlet pipe and a water outlet pipe which are communicated with the buffer cavity are arranged on the buffer device; the flow regulating device is arranged on the water outlet pipe; the water quality analyzer is communicated with the water outlet of the water outlet pipe; the water sample discharge pipe is communicated with a water outlet of the water quality analyzer. The water quality analysis device provided by the utility model comprises the buffer device, the introduced water is buffered by the buffer device to ensure the stability of the water sample, and the flow rate of the water entering the water quality analysis device is regulated by the flow regulating device, so that the flow rate, the flow rate and the pressure of the water sample all meet the requirements of the water quality analysis device, the accuracy of the detection result of the water quality analysis device is further improved, and the operation of water treatment equipment and the discharge of wastewater are better guided.

Description

Water quality analysis device

Technical Field

The utility model relates to the technical field of water quality analysis, in particular to a water quality analysis device.

Background

In the water treatment industry, various types of online water quality analysis meters are usually required to be installed to monitor the running of water treatment equipment and the water quality of effluent in real time, and whether the water treatment equipment meets the design requirement is checked. Meanwhile, at the wastewater discharge port, an online instrument is required to be installed to monitor whether the wastewater discharge index meets the related standard requirement, so that the accuracy of the online water quality analysis instrument data is very important. In order to ensure the accuracy of the analysis of the on-line instrument, the accuracy of the on-line instrument is required to meet the requirement, and the analysis water sample is ensured to be representative.

At present, an online water quality analyzer is usually provided with a small hole from water treatment equipment to be connected with a sampling tube, and a water sample is directly sent to the online water quality analyzer through the sampling tube. The sampling mode is greatly influenced by factors such as pipeline pressure, flow and the like, and the analysis accuracy of the on-line instrument is influenced.

Disclosure of Invention

In order to solve the technical problems described above or at least partially solve the technical problems described above, the present utility model provides a water quality analysis device.

The utility model provides a water quality analysis device, comprising:

the buffer device is internally provided with a buffer cavity, and a water inlet pipe and a water outlet pipe which are communicated with the buffer cavity are arranged on the buffer device;

the flow regulating device is arranged on the water outlet pipe;

the water quality analyzer is communicated with the water outlet of the water outlet pipe; and

and the water sample discharge pipe is communicated with the water outlet of the water quality analyzer.

Optionally, the buffer device comprises a buffer water weir, wherein a first position used for being communicated with the water inlet pipe and a second position used for being communicated with the water outlet pipe are arranged on the buffer water weir, and the first position and the second position are staggered.

Optionally, the buffer weir is disposed along a vertical direction, and the first location is disposed above the second location.

Optionally, an overflow port is arranged above the buffer water weir, and the water quality analysis device further comprises an overflow pipe communicated with the overflow port.

Optionally, the overflow port is connected with a visual overflow peeping pipe, and the overflow pipe is communicated with a water outlet of the overflow peeping pipe.

Optionally, a flushing discharge port is arranged at the bottom of the buffer water weir and is used for being connected with a flushing pipeline or a discharge pipeline, and a flushing discharge valve for controlling water flow on-off is arranged at the flushing discharge port.

Optionally, the water quality analysis device further comprises an adjusting device, wherein the adjusting device is used for adjusting the position of part of the water sample discharge pipe in the vertical direction.

Optionally, the adjusting device includes:

the water sample discharge pipe is connected with the water sample discharge hopper, and the water sample discharge pipe is sleeved with the water sample discharge hopper;

the limiting assembly is arranged on the buffer water weir and is configured to be capable of adjusting the position of the limiting assembly on the buffer water weir, and the discharge funnel is connected with the limiting assembly.

Optionally, the limiting component comprises a hoop arranged on the side face of the discharge funnel, and the hoop is detachably connected with the buffer water weir.

Optionally, the flow regulating device comprises a rotameter disposed on the outlet pipe.

Compared with the prior art, the technical scheme provided by the embodiment of the utility model has the following advantages:

the water quality analysis device provided by the utility model comprises the buffer device, the introduced water is buffered by the buffer device to ensure the stability of the water sample, and the flow rate of the water entering the water quality analysis device is regulated by the flow regulating device, so that the flow rate, the flow rate and the pressure of the water sample all meet the requirements of the water quality analysis device, the accuracy of the detection result of the water quality analysis device is further improved, and the operation of water treatment equipment and the discharge of wastewater are better guided.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the utility model and together with the description, serve to explain the principles of the utility model.

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.

Fig. 1 is a schematic view of a water quality analysis device according to an embodiment of the present utility model.

Description of the reference numerals

1. A water inlet pipe; 2. a buffer weir; 3. a water outlet pipe; 4. a rotameter; 5. a water quality analyzer; 6. a discharge hopper; 7. a water sample discharge pipe; 8. flushing the discharge valve; 9. an overflow peeping tube; 10. and (3) an overflow pipe.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be made. The embodiments of the present utility model and the features in the embodiments may be combined with each other without collision.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced otherwise than as described herein; it is apparent that the embodiments in the specification are only some embodiments of the present utility model, but not all embodiments.

As shown in fig. 1, the water quality analysis device provided by the embodiment of the utility model comprises a buffer device, a flow rate adjusting device, a water quality analyzer 5 and a water sample discharge pipe 7.

The inside of buffer is equipped with the buffering cavity, is equipped with inlet tube 1 and outlet pipe 3 with buffering cavity intercommunication on the buffer for the water sample can enter into the buffering cavity of buffer through inlet tube 1 and cushion, and the water sample rethread outlet pipe 3 after the buffering flows into in follow-up water quality analyzer 5, in order to reduce the influence of parameter fluctuation such as pressure, velocity of flow to water quality analyzer 5 precision. The flow regulating device is arranged on the water outlet pipe 3 and is used for regulating the flow of the water sample flowing out from the water outlet pipe 3. The water quality analyzer 5 is communicated with the water outlet of the water outlet pipe 3 and is used for detecting and analyzing the water sample flowing out through the water outlet pipe 3. The water sample discharge pipe 7 is communicated with a water outlet of the water quality analyzer 5, so that the detected water sample flows out to a designated position through the water sample discharge pipe 7. Among them, the water quality analyzer 5 is a conventional device for detecting and analyzing water quality, and is not described here too much.

The water quality analysis device provided by the utility model comprises the buffer device, the introduced water is buffered by the buffer device to ensure the stability of the water sample, and the flow rate of the water entering the water quality analysis device 5 is regulated by the flow regulating device, so that the flow rate, the flow rate and the pressure of the water sample all meet the requirements of the water quality analysis device, the stability of the water sample entering the water quality analysis device 5 is improved, the accuracy of the detection result of the water quality analysis device 5 is further improved, and the operation of water treatment equipment and the discharge of wastewater are better guided.

In some embodiments, as shown in fig. 1, the buffering means includes a buffering water weir 2, the buffering water weir 2 being a cylinder having a certain volume such that the inside of the buffering water weir 2 forms a buffering cavity. The water sample entering through the water inlet pipe 1 flows out through the water outlet pipe 3 after being buffered in the water buffering weir 2, and the water sample flow stabilizing device has the function of stabilizing the water sample flow. When the pressure, the flow rate and the like of the incoming water sample fluctuate, the incoming water sample can be buffered through the buffer water weir 2, and the water sample is kept stable.

Further preferably, the buffer weir 2 is arranged in a vertical direction, the first location being arranged above the second location. Under this kind of design mode, the water sample flows to outlet pipe 3 under the effect of gravity after entering into buffering water weir 2 for the water sample can be continuous enter into in the outlet pipe 3.

An overflow port is arranged above the buffer water weir 2, and the water quality analysis device also comprises an overflow pipe 10 communicated with the overflow port. When the flow of the water sample is excessive, the excessive water sample can be discharged through the overflow pipe 10.

Further preferably, the overflow port is connected with a visual overflow peeping tube 9, and the overflow tube 10 is communicated with the water outlet of the overflow peeping tube 9. Wherein, the overflow condition of the water sample can be observed through the overflow peeping tube 9, so that the corresponding adjustment is convenient.

The bottom of the buffer water weir 2 is provided with a flushing discharge outlet which is used for being connected with a flushing pipeline or a discharge pipeline, and a flushing discharge valve 8 for controlling water flow on-off is arranged at the flushing discharge outlet.

When the buffer water weir 2 needs to be washed, a washing pipeline is connected to the washing discharge port, wherein the washing pipeline can provide washing water with certain pressure for the buffer water weir 2 so as to realize regular washing of the buffer water weir 2 and reduce the influence of residual water samples on analysis results. When the waste water is required to be discharged, the discharge pipeline is connected to the flushing discharge port, and then the waste water is led out.

As shown in fig. 1, the water quality analyzing apparatus further comprises an adjusting device for adjusting the position of the partial water sample discharge pipe 7 in the vertical direction. Preferably, the adjusting means adjusts the position of the portion of the water sample discharge pipe 7 near the water outlet position in the vertical direction.

Wherein the adjusting device comprises a discharge funnel 6 and a limiting assembly. The discharge funnel 6 is connected to the water sample discharge pipe 7 or the discharge funnel 6 is sleeved on the periphery of the water sample discharge pipe 7. The spacing subassembly sets up on buffering water weir 2, and spacing subassembly is configured to be able to adjust its position on buffering water weir 2, and discharge hopper 6 is connected with spacing subassembly.

This kind of design mode accessible spacing subassembly adjustment is with the position of the partial water sample discharge tube 7 that discharge funnel 6 is connected in vertical direction, and then adjusts water quality analyzer 5's inflow, play water altitude difference in order to adjust out water flow for it satisfies the demand of predetermineeing to go out water flow.

Specifically, the spacing subassembly includes the staple bolt that sets up in the side of discharge funnel 6, and the staple bolt is connected with buffering water weir 2 can be dismantled. During the regulation, accessible revolves the bolt on the twist anchor ear, loosens the anchor ear for the anchor ear can remove along the extending direction of buffering weir 2, until the anchor ear drive discharge funnel 6 and water sample discharge tube 7 remove to the adaptation height after, screw up the bolt on the anchor ear, and then make the anchor ear can support discharge funnel 6 at the height of adaptation. In addition, the excess water sample is discharged through the overflow port.

The flow regulating device comprises a rotameter 4 arranged on the water outlet pipe 3, and the rotameter 4 can detect the flow of the water sample flowing through and can regulate the flow. The rotameter 4 is arranged to adjust the water sample to a proper flow rate, and then the water sample enters the water quality analyzer 5. In other embodiments, the flow rate regulating device may also be a regulating valve arranged on the water outlet pipe 3, through which the flow rate of the water sample entering the water quality analyzer 5 is regulated.

Wherein, the water inlet pipe 1, the water outlet pipe 3, the overflow pipe 10 and the discharge pipeline of the utility model are preferably PVC hoses, and the diameter of each hose is 8mm. The buffer water weir 2 is preferably a polyethylene plastic pipe, the internal volume of the pipe is about 10L, and the measuring range of the rotameter 4 is preferably 0-5L/min. The material of the discharge funnel 6 is preferably polyethylene. The inflow rate of water from the water quality analyzer 5 is preferably controlled to be 1L/min.

During normal operation, the water inlet flow rate is controlled to be 1L/min by adjusting the height of the discharge funnel 6 and the height difference of inlet and outlet water samples of the water quality analyzer 5. At this time, from the water inlet pipe 1 to the water quality analyzer 5, and then to the wastewater discharge, the whole system flow is stable, the working state of the water quality analyzer 5 is normal, and the data analysis is accurate.

If the water quality analysis device fluctuates, the pressure fluctuation of the sampling pipeline communicated with the water inlet pipe 1 causes the instantaneous water flow of the water inlet pipe 1 of the water quality analyzer 5 to increase, the flow of the water inlet pipe 1 reaches 5L/min, at the moment, because of the existence of the buffer water weir 2 and the flow regulating device, excessive water is discharged through the overflow pipe 10, the water inlet flow of the water quality analyzer 5 can still be controlled to be 1L/min, the water inlet flow requirement of the water quality analyzer 5 is maintained, and the accuracy of analysis data is ensured. If the pressure of the sampling pipeline communicated with the water inlet pipe 1 is reduced, the flow of the water inlet pipe 1 is instantaneously reduced to 0.5L/min, and at the moment, the water sample with a certain volume exists in the buffer water weir 2, so that the inlet flow of the water quality analyzer 5 can be continuously maintained at 1L/min, and the normal operation of the water quality analyzer 5 is ensured.

The utility model improves the stability of the water inflow of the water quality analyzer 5 and the interference capability of the water sample flow fluctuation resistance through the buffer water weir 2, the flow regulating device, the overflow pipe 10 and the discharge hopper 6 with adjustable height, and improves the accuracy of the water quality analyzer 5. In addition, the water quality analysis device can be made into a unit module form, the existing equipment is not required to be dismantled, the water inlet pipe 1, the water outlet pipe 3, the discharge pipeline and the like with different apertures can be selected according to different types of water quality analyzers 5, and the application range is wide. In addition, the water quality analysis device has the advantages of simple manufacturing process flow, lower manufacturing cost and strong practicability.

It should be noted that in this document, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The foregoing is only a specific embodiment of the utility model to enable those skilled in the art to understand or practice the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown and described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A water quality analysis device, comprising:

the buffer device is internally provided with a buffer cavity, and a water inlet pipe (1) and a water outlet pipe (3) which are communicated with the buffer cavity are arranged on the buffer device;

the flow regulating device is arranged on the water outlet pipe (3);

the water quality analyzer (5), the said water quality analyzer (5) communicates with water outlet of the said water outlet pipe (3); and

and the water sample discharge pipe (7) is communicated with the water outlet of the water quality analyzer (5).

2. The water quality analysis device according to claim 1, wherein the buffer device comprises a buffer water weir (2), a first position for communicating with the water inlet pipe (1) and a second position for communicating with the water outlet pipe (3) are arranged on the buffer water weir (2), and the first position and the second position are staggered.

3. The water quality analysis device according to claim 2, characterized in that the buffer weir (2) is arranged in a vertical direction, the first location being arranged above the second location.

4. The water quality analysis device according to claim 2, characterized in that an overflow port is provided above the buffer weir (2), the water quality analysis device further comprising an overflow pipe (10) for communicating with the overflow port.

5. The water quality analysis device according to claim 4, wherein the overflow port is connected with a visual overflow peeping tube (9), and the overflow tube (10) is communicated with a water outlet of the overflow peeping tube (9).

6. The water quality analysis device according to claim 2, characterized in that the bottom of the buffer weir (2) is provided with a flushing discharge for connection with a flushing pipe or discharge pipe, and the flushing discharge is provided with a flushing discharge valve (8) for controlling the on-off of water flow.

7. The water quality analysis device according to claim 2, further comprising an adjusting device for adjusting the position of a part of the water sample discharge pipe (7) in the vertical direction.

8. The water quality analysis device according to claim 7, wherein the adjusting means comprises:

the discharge funnel (6) is connected to the water sample discharge pipe (7) or the discharge funnel (6) is sleeved on the periphery of the water sample discharge pipe (7);

the limiting assembly is arranged on the buffer water weir (2), the position of the limiting assembly on the buffer water weir (2) can be adjusted, and the discharge funnel (6) is connected with the limiting assembly.

9. The water quality analysis device according to claim 8, characterized in that the limiting assembly comprises a hoop arranged on the side surface of the discharge funnel (6), and the hoop is detachably connected with the buffer water weir (2).

10. A water quality analysis device according to claim 1, characterized in that the flow regulating means comprises a rotameter (4) arranged on the outlet pipe (3).