Portable water quality filtering and sampling device

Abstract

The utility model relates to a portable water quality filtering and sampling device which comprises a suitcase, and a sampling pipeline system is arranged in the suitcase; the sampling pipeline system comprises a sampling pipeline, the sampling pipeline is sequentially connected with a peristaltic pump, a water inlet valve, a filter, a water outlet valve and a water flow switch, the side part of the suitcase is provided with a sampling port and a water outlet, the water inlet end of the sampling pipeline is connected with the sampling port, and the water outlet end of the sampling pipeline is connected with the water outlet. The portable water quality filtering and sampling device disclosed by the utility model can effectively filter impurities in a water sample, keep the cleanliness of the sampled water quality, ensure that each index of the water quality is consistent with the original sampled water body, truly reflect the monitored water quality, prevent a detection probe of a detection instrument from being damaged by the impurities in the water quality, and improve the water quality monitoring and measuring precision; and the whole sampling pipeline system is integrated in the suitcase, so that the device is convenient to use and carry.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of sewage treatment, especially a portable water quality filtering sampling device. BACKGROUND

[0002] According to the water treatment industry, the water quality sampling for detection is only simple sampling of the treated water body, and impurities such as fine sand, small floating objects, microorganisms, flocculation and mud exist in the sampled water quality. The impurities can shorten the service life of the photoelectric sensor of the water quality monitoring instrument, and even stick to the surface of the sensor probe, affecting the water sample detection result and data accuracy. After water quality detection, the instrument monitoring probe needs to be cleaned in depth, and the probe electro-optical sensor component may be damaged. SUMMARY

[0003] Therefore, the utility model discloses the purpose is to provide a convenient to use, portable water quality filtering sampling device that is convenient to carry, can effectively filter out the impurities in the water sample, and improve the water quality monitoring measurement accuracy.

[0004] The utility model discloses the following scheme is adopted: a portable water quality filtering sampling device, including the suitcase, be equipped with sampling pipeline system in the suitcase, the sampling pipeline system includes sampling pipeline, the sampling pipeline is connected with peristaltic pump, water inlet valve, filter, water outlet valve and water flow switch in proper order, and the side of suitcase is equipped with sampling port and water outlet, and the water inlet end of sampling pipeline is connected with sampling port, and the water outlet end of sampling pipeline is connected with water outlet.

[0005] Further, the sampling pipeline system further includes backwash pipeline, and the backwash pipeline is equipped with backwash valve, and one end of the backwash pipeline is connected with the pipe section between the filter and the water outlet valve on the sampling pipeline, and the other end is connected with the pipe section between the peristaltic pump and the water inlet valve on the sampling pipeline.

[0006] Further, the sampling pipeline is further connected with the pressure switch between the peristaltic pump and the water inlet valve.

[0007] Further, the sampling pipeline system further includes venting pipeline, and one end of the venting pipeline is connected with the pipe section between the filter and the water inlet valve on the sampling pipeline.

[0008] Further, the bottom of the suitcase is equipped with the venting port connected with the venting pipeline, and the venting pipeline is equipped with venting valve.

[0009] Further, the filter is connected with the blowdown pipe.

[0010] Further, the bottom of the suitcase is equipped with the blowdown port connected with the blowdown pipe, and the blowdown pipe is equipped with blowdown valve.

[0011] Further, the hand luggage is externally provided with a sampling pipe connected with the sampling port, and the side of the hand luggage is provided with a pipe winding frame for winding the sampling pipe.

[0012] Further, the top of the hand luggage is provided with a handle.

[0013] Further, the bottom of the hand luggage is provided with a castor.

[0014] Compared with the prior art, the portable water quality filtering and sampling device has the following beneficial effects: the portable water quality filtering and sampling device can effectively filter impurities in water samples, keep the cleanliness of the sampling water, ensure that various indexes of the water quality are consistent with those of the original sampling water body, truly reflect the monitored water quality, prevent the detection instrument from damaging the detection probe due to impurities in the water quality, and improve the measurement accuracy of water quality monitoring; and the whole sampling pipe system is integrated in the hand luggage, so that the device is convenient to use and easy to carry.

[0015] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail by specific embodiments and related drawings. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is an external structure schematic view of the sampling device of the embodiment of the utility model;

[0017] Figure 2 is a sampling pipe system schematic view of the embodiment of the utility model;

[0018] Figure 3 is a working schematic view of the sampling pipe system of the embodiment of the utility model when sampling;

[0019] Figure 4 is a working schematic view of the sampling pipe system of the embodiment of the utility model when backwashing;

[0020] Figure 5 is a working schematic view of the sampling pipe system of the embodiment of the utility model when sampling;

[0021] The figure mark explanation: 1-hand luggage, 2-sampling pipe, 3-peristaltic pump, 4-water inlet valve, 5-filter, 6-water outlet valve, 7-water flow switch, 8-sampling port, 9-water outlet, 10-backwashing pipe, 11-backwashing valve, 12-pressure switch, 13-emptying pipe, 14-emptying port, 15-emptying valve, 16-drain pipe, 17-drain port, 18-drain valve, 19-sampling pipe, 20-pipe winding frame, 21-handle, 22-castor. DETAILED DESCRIPTION

[0022] It should be noted that the following detailed description is exemplary in nature and is intended to provide further description of the application. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0023] It is also important to note that the terms used herein are not intended to limit the particular embodiments of the present application disclosed in this specification. Rather, unless otherwise specified, as utilized in describing the preferred embodiments of the present application, the terms "comprises", "comprising", "includes", "including" and the like are used in the sense of "including but not limited to".

[0024] As shown in Figures 1-5 A portable water quality filtration sampling device includes a suitcase 1, and a sampling pipeline system is arranged in the suitcase. The sampling pipeline system includes a sampling pipeline 2, and a peristaltic pump 3, a water inlet valve 4, a filter 5, a water outlet valve 6 and a water flow switch 7 are sequentially connected to the sampling pipeline 2. A sampling port 8 and a water outlet port 9 are arranged on the side of the suitcase 1. The water inlet end of the sampling pipeline is connected to the sampling port, and the water outlet end of the sampling pipeline is connected to the water outlet port. The sampling device can filter impurities in the water sample, keep the cleanliness of the sampling water, ensure that the water quality indicators are consistent with the original sampling water body, and truly reflect the water quality monitoring. The detection probe (sensor element) of the detection instrument is prevented from being damaged by impurities in the water, and the measurement accuracy of the water quality monitoring is affected. The entire sampling pipeline system is integrated in the suitcase, which is convenient to use and carry. The water path during the sampling process is as shown in Figure 3 The sampling port is supplied with sewage during sampling.

[0025] The peristaltic pump extracts the water quality sample. The peristaltic pump has the characteristics of quantitative, high lift and large suction stroke, which ensures that the equipment can stably operate in various complex environments. The filter removes impurities such as mud, fiber material and dregs in the water sample. The filter element is made of PVDF ultrafiltration material, which can filter out small particles in the sample and obtain high-quality water samples. The valves realize the switching of the functions of extracting the water sample and cleaning the filter.

[0026] In the embodiment, the sampling pipeline system further includes a backwashing pipeline 10, and a backwashing valve 11 is arranged on the backwashing pipeline. One end of the backwashing pipeline is connected to the pipeline section between the filter and the water outlet valve of the sampling pipeline, and the other end of the backwashing pipeline is connected to the pipeline section between the peristaltic pump and the water inlet valve of the sampling pipeline. The device has the function of cleaning the pipeline and the filter, which ensures the water quality during sampling. The water path during the cleaning process is as shown in Figure 4 The sampling port is supplied with clean water during cleaning.

[0027] In the embodiment, the sampling pipeline is further connected with a pressure switch 12 between the peristaltic pump and the water inlet valve. The pressure switch realizes pressure protection, and when the pressure switch is activated or the sampling water quantity is small, the filter element needs to be cleaned.

[0028] In the embodiment, the sampling pipeline system further comprises a venting pipeline 13, one end of which is connected with the pipeline section between the filter and the water inlet valve of the sampling pipeline. The venting pipeline 13 is used for venting sewage in the filter.

[0029] In the embodiment, the bottom of the suitcase is provided with a venting opening 14 connected with the venting pipeline, and the venting pipeline is provided with a venting valve 15.

[0030] In the embodiment, the filter is connected with a sewage discharge pipeline 16, and the sewage after cleaning of the filter is discharged through the sewage discharge pipeline.

[0031] In the embodiment, the bottom of the suitcase is provided with a sewage discharge opening 17 connected with the sewage discharge pipeline, and the sewage discharge pipeline is provided with a sewage discharge valve 18.

[0032] In the embodiment, the outside of the suitcase is provided with a sampling tube 19 connected with the sampling opening, and the side of the suitcase is provided with a tube winding rack 20 for winding the sampling tube. The sampling tube can be wound on the tube winding rack 20 after use, which is convenient for storage and reduces the occupied space. The water outlet is connected with a sample water outlet pipeline.

[0033] In the embodiment, the top of the suitcase is provided with a handle 21.

[0034] In the embodiment, the bottom of the suitcase is provided with a foot wheel 22.

[0035] In the embodiment, the pipeline of the sampling pipeline system is composed of U-PVC material pipe fittings. Because of the corrosion resistance and stable material chemical properties, the water quality sample is ensured to be original.

[0036] In the embodiment, the suitcase is provided with a storage battery for supplying power to the sampling pipeline system. The suitcase is further provided with a control circuit for controlling the start and stop of the peristaltic pump and the on-off of each valve. The equipment realizes the functions of sampling water quality, cleaning the filter element and debugging according to the requirements of specific process control. The control circuit belongs to the prior art, and its working principle is not specifically described here. The structure of the control circuit is shown in Figure 5

[0037] ​Working process: 1, sampling mode: preparation action, sampling tube is put into the sampling water body, sample outlet pipe is connected to the sampling bottle. In the sampling mode, the water inlet valve and the water outlet valve are in the open state (the remaining valves are in the closed state), the peristaltic pump is running, when the water flows out of the water outlet, the water flow switch is actuated, after the sampling is completed, the peristaltic pump, the water inlet valve and the water outlet valve are stopped. 2, cleaning mode: preparation action, sampling tube is put into the water bucket, blowdown valve and vent valve are opened (the remaining valves are in the closed state), the sewage in the vent filter is vented, after the venting time is over, the backwashing valve and the peristaltic pump are opened, and the vent valve is closed; the cleaning time is over, the backwashing valve, the blowdown valve and the peristaltic pump are closed.

[0038] The above-mentioned any technical scheme disclosed by the utility model discloses the numerical range if declaring, the numerical range disclosed is all preferred numerical range, and any person skilled in the art should understand that: the preferred numerical range is only the numerical value of obvious technical effect or representative numerical value among many implementable numerical values. Because the numerical value is more, cannot be exhausted, so the utility model discloses part of numerical value to illustrate the technical scheme of the utility model by example, and the numerical value enumerated above should not constitute the limitation to the protection scope of the utility model creation.

[0039] If the utility model discloses or involves mutually fixed connection's spare parts or structural members, then, except declaring, fixed connection can be understood as: detachable fixed connection (for example using bolt or screw connection), also can be understood as: undetachable fixed connection (for example riveting, welding), of course, mutual fixed connection can be replaced by integral structure (for example using casting process integral forming to manufacture) (obviously cannot adopt integral forming process except).

[0040] In addition, the terms used to represent the position relationship or shape in any technical scheme disclosed by the above-mentioned utility model include the state or shape similar, similar or close to it, except for the declaration.

[0041] Any component provided by the utility model can be assembled by a plurality of individual components, or can be a single component manufactured by integral forming process.

[0042] The above is only the preferred embodiment of the utility model, and does not limit other forms of the utility model, and any person skilled in the art can change or modify the equivalent embodiments with the disclosed technical content. However, any simple modification, equivalent change and modification of the above embodiments without departing from the technical solution content of the utility model, according to the technical essence of the utility model, still belongs to the protection scope of the technical solution of the utility model.

Claims

1. A portable water quality filtration sampling device, characterized by: The hand luggage is internally provided with a sampling pipeline system; the sampling pipeline system comprises a sampling pipeline, and the sampling pipeline is sequentially connected with a peristaltic pump, a water inlet valve, a filter, a water outlet valve and a water flow switch; the side of the hand luggage is provided with a sampling port and a water outlet port; the water inlet end of the sampling pipeline is connected with the sampling port; and the water outlet end of the sampling pipeline is connected with the water outlet port.

2. The portable water quality filtration sampling device of claim 1, wherein: The sampling pipeline system further comprises a backwashing pipeline, and the backwashing pipeline is provided with a backwashing valve; one end of the backwashing pipeline is connected with the pipeline section between the filter and the water outlet valve on the sampling pipeline; and the other end of the backwashing pipeline is connected with the pipeline section between the peristaltic pump and the water inlet valve on the sampling pipeline.

3. The portable water quality filtration sampling device of claim 1, wherein: The sampling pipeline is further connected with a pressure switch between the peristaltic pump and the water inlet valve.

4. The portable water quality filtration sampling device of claim 1, wherein: The sampling pipeline system further comprises a venting pipeline, and one end of the venting pipeline is connected with the pipeline section between the filter and the water inlet valve on the sampling pipeline.

5. The portable water quality filtration sampling device of claim 4, wherein: The bottom of the hand luggage is provided with a venting port connected with the venting pipeline, and the venting pipeline is provided with a venting valve.

6. The portable water quality filtration sampling device of claim 1, wherein: The filter is connected with a blowdown pipeline.

7. The portable water quality filtration sampling device of claim 6, wherein: The bottom of the hand luggage is provided with a blowdown port connected with the blowdown pipeline, and the blowdown pipeline is provided with a blowdown valve.

8. The portable water quality filtration sampling device of claim 1, wherein: The outside of the hand luggage is provided with a sampling tube connected with the sampling port, and the side of the hand luggage is provided with a tube winding rack for winding the sampling tube.

9. The portable water quality filtration sampling device of claim 1, wherein: The top of the hand luggage is provided with a handle.

10. The portable water quality filtration sampling device of claim 1, wherein: The bottom of the hand luggage is provided with a foot wheel.

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