Sewage enrichment and concentration system

Abstract

The utility model discloses a sewage enrichment and concentration system which comprises a machine body, a control unit and a power supply unit are arranged in the machine body, the sewage enrichment and concentration system further comprises an enrichment and concentration unit, and the enrichment and concentration unit comprises an extraction column, a water sample collector, a hot air module and a reagent module; the output end of the extraction column is connected with a waste liquid bottle and a recovery cup through a multi-way valve; the enrichment system provided by the utility model can realize automatic and intelligent treatment of the whole process of sewage poison inspection, the whole process does not need human intervention, and consistency and stability of enrichment results and reliable data are ensured; the whole system is small in size and compact in structure, and can be applied in a laboratory or directly applied on site; an enrichment result can be used for qualitative detection of a test strip plate or quantitative detection of a determinator on site; meanwhile, cross contamination of water samples in the determination process is prevented, and determination is more accurate and reliable.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewage detection field, concretely relates to a sewage enrichment concentration system. BACKGROUND

[0002] Sewage drug detection technology mainly detects sewage that has not been treated by biochemical treatment in sewage treatment plants or crowd gathering points, surface rivers and lakes, etc., and comprehensively analyzes various parameters to accurately determine the total amount of drugs in a specific area (discharged), drug types and the size of the drug user population, and to determine the drug use situation and distribution law in each place.

[0003] The main process of sewage drug detection includes: sewage collection → membrane filtration → PH adjustment → extraction concentration → redissolution oscillation → machine inspection; the above process (or part of the process) in the prior art needs to be completed manually, and it is not easy to complete the enrichment work on site because of the need for a large number of various tools and utensils. The water sample needs to be collected on site and then taken back to the laboratory to complete the enrichment task. If there is a requirement for timeliness, the water sample also needs to be frozen for preservation. The whole process takes about 3-4 hours to operate manually, which not only consumes time and effort, but also makes it difficult to control the stability and consistency of the enrichment results. The professional operation ability of the operator is also required to a certain extent. The above unfavorable factors limit the popularization and promotion of sewage drug detection technology. UTILITY MODEL CONTENT

[0004] In view of the defects in the prior art, the purpose of the utility model is to provide a sewage enrichment concentration system, which has a wide range of applications and can automatically complete the sewage enrichment and detection process on site to ensure the consistency and stability of the enrichment results.

[0005] The technical scheme adopted by the utility model is: a sewage enrichment concentration system, comprising a machine body, a control unit and a power supply unit built-in the machine body, and an enrichment concentration unit, the enrichment concentration unit comprising an extraction column, a water sample collector, a hot air module and a reagent module; the output end of the extraction column is connected with a waste liquid bottle and a recovery cup through a multi-way valve; the input end of the water sample collector is provided with a filter, and the output end of the water sample collector is connected to the extraction column; the hot air module is used for blowing hot air into the recovery cup; the reagent module is used for delivering a PH value adjusting agent to the water sample collector, an activator, an eluent or an eluting agent to the extraction column, and an activator to the recovery cup.

[0006] The device provided in the technical scheme can automatically complete the enrichment and concentration operation of sewage through the enrichment and concentration unit, and in the operation process, first, the sewage collection and filtration are automatically performed through the water sample collector, then the liquid is transported into the water sample collector through the reagent module to adjust the pH value of the detection water, meanwhile, the extraction column is activated and column elution is performed through the reagent module, in the process, the waste liquid can be transported into the waste liquid bottle, the extraction column after treatment adsorbs the detection liquid after the pH value adjustment, and the detection liquid is transported into the recovery cup through the eluent, the hot air module is used for blowing, finally, the reagent module is used for transporting the activator to redissolve the water sample to complete the enrichment and concentration operation; the device can automatically complete the above operation according to the program setting, so that the sewage enrichment operation can be automatically completed at the collection site, the detection result accuracy and detection efficiency can be improved, and the device has a higher application range.

[0007] Preferably, the water sample collector is provided with a collection end upstream of the filter, and the collection end is provided with a peristaltic pump.

[0008] Preferably, the enrichment and concentration unit comprises a multi-way injection pump connected with the water sample collector, the extraction column and the reagent module and the recovery cup.

[0009] Preferably, the reagent module comprises reagent bottles for containing the pH value adjusting agent, the activator, the elution agent and the eluent respectively, and the output ends of the reagent bottles are connected with the injection pump through pipelines.

[0010] Preferably, the enrichment and concentration unit further comprises a rotary mixer arranged in the machine body, and the recovery cup is arranged on the rotary mixer.

[0011] Preferably, the control unit comprises a control system connected with the enrichment and concentration unit, and the control system is connected with a control panel arranged on the outer side of the machine body.

[0012] The enrichment system provided by the utility model can realize automatic and intelligent processing of the whole process of sewage detection, does not need human intervention in the whole process, guarantees consistency and stability of enrichment results, and is reliable in data; the system has a small and compact size, a compact structure, can be applied in a laboratory, and can be directly applied on site; the enrichment results can be used for qualitative detection of test paper strips or quantitative detection of a measuring instrument on site; meanwhile, cross contamination of water samples in the measuring process is prevented, and the measuring is more accurate and reliable; and the utility model has high practical value. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description. In all the drawings, similar elements or parts are generally identified by similar reference signs. In the drawings, the elements or parts are not necessarily drawn according to the actual proportions.

[0014] Figure 1 The structural diagram of the sewage enrichment and concentration system provided in the embodiments of the present application.

[0015] Reference signs: extraction column 100, water sample collector 200, hot air module 300, reagent module 400, waste liquid bottle 500, recovery cup 600, filter 700, peristaltic pump 800, multi-way injection pump 900, multi-way valve 1000. DETAILED DESCRIPTION

[0016] The embodiments of the technical solutions of the present application will be described in detail below with reference to the drawings. The following embodiments are only used to more clearly illustrate the technical solutions of the present application, and therefore only serve as examples, and cannot limit the protection scope of the present application.

[0017] It should be noted that, unless otherwise specified, the technical terms or scientific terms used in the present application should be understood as the usual meanings understood by the skilled in the art to which the present application belongs.

[0018] As shown in Figure 1 The embodiments of the present application provide a sewage enrichment and concentration system, which comprises a machine body, a control unit and a power supply unit are built-in the machine body, and further comprises an enrichment and concentration unit, the enrichment and concentration unit comprises an extraction column 100, a water sample collector 200, a hot air module 300 and a reagent module 400; the output end of the extraction column 100 is connected with a waste liquid bottle 500 and a recovery cup 600 through a multi-way valve 1000; the input end of the water sample collector 200 is provided with a filter 700, and the output end of the water sample collector 200 is connected to the extraction column 100; the hot air module 300 is used for sweeping and blowing hot air into the recovery cup 600; the reagent module 400 is used for delivering a pH value adjusting agent to the water sample collector 200, delivering an activator, an eluent or an eluting agent to the extraction column 100, and delivering the activator to the recovery cup 600.

[0019] As shown in Figure 1 The device provided in the embodiments can automatically complete the enrichment and concentration operation of sewage through the enrichment and concentration unit, and the steps in the operation process are as follows:

[0020] 1. The water sample collector 200 automatically collects sewage, and the filter 700 filters during the collection process;

[0021] 2. The PH value of the detected water is adjusted by the reagent module 400 delivering the PH value adjusting agent into the water sample collector 200;

[0022] 3. The reagent module 400 delivers the activating agent to activate the extraction column 100 in sequence, and the water sample is passed through the column at a certain speed and volume, and the waste water after passing through the column is discharged into the waste liquid bottle 500;

[0023] 4. After the column is passed, the reagent module 400 delivers the eluent to elute the extraction column 100;

[0024] 5. The extraction column 100 adsorbs the liquid to be measured, and the reagent module 400 delivers the eluent to elute the liquid into the recovery cup 600;

[0025] 6. The water sample in the recovery cup 600 is blown by the hot air module 300 according to the set temperature until about 1-2 drops remain;

[0026] 7. The reagent module 400 extracts the activating agent to the recovery cup 600 to redissolve the water sample, and completes the enrichment and concentration operation.

[0027] As shown in Figure 1 , the device can automatically complete the operation according to the above steps when in use, thereby automatically completing the sewage enrichment detection at the collection site, which is beneficial to improve the accuracy and efficiency of the detection results, and makes the device have a higher application range.

[0028] As shown in Figure 1 , in order to improve the convenience of the device when sampling, the water sample collector 200 is provided with a collection end upstream of the filter 700 in the embodiment, and the collection end is provided with a peristaltic pump 800, so that the sewage can be automatically collected by the peristaltic pump 800 during operation, thereby efficiently completing the sewage collection and filtration operation.

[0029] In the foregoing, the reagent module 400 needs to deliver reagents to the water sample collector 200 and the extraction column 100, and the water sample collector 200 and the extraction column 100 need to be connected, and the enrichment and concentration unit in the embodiment includes a multi-way injection pump 900 connecting the water sample collector 200 and the extraction column 100, connecting the reagent module 400 and the extraction column 100, and connecting the reagent module 400 and the recovery cup 600. The multi-way injection pump 900 can realize the delivery of reagents and other liquids between each structure, and automatically complete the delivery operation of each liquid.

[0030] As shown in Figure 1 , the reagent module 400 provided in the embodiment includes reagent bottles containing PH value adjusting agent, activating agent, eluent and eluent respectively, and the output ends of each reagent bottle are connected with the injection pump through pipelines, and each reagent bottle is independently sealed to store reagents to avoid contamination.

[0031] AsFigure 1 As shown, in order to improve the enrichment concentration effect, the enrichment concentration unit of the embodiment further comprises a rotary mixer arranged in the machine body, and the recovery cup 600 is installed on the rotary mixer. In this way, the water sample can be rotated by the rotary mixer when it is reconstituted, thereby improving the enrichment concentration effect.

[0032] In the embodiment, the device is controlled by the control unit to operate according to the set program. The control unit of the embodiment comprises a control system connected with the enrichment concentration unit, and the control system is connected with a control panel arranged on the outside of the machine body. In actual application, the fully automatic sewage concentration enrichment instrument can complete the entire process of sewage detection by intelligent equipment. When used, the enrichment task can be started by one key, and the entire process can be automatically operated without human intervention. The control system counts down to remind the remaining time, and automatically reminds the user after the enrichment is completed, thereby ensuring the consistency and stability of the enrichment result, and the reliability of the data. The control system can be programmed to preset multiple enrichment programs, and the enrichment parameters and enrichment process can be adjusted. Different enrichment processes can be prepared according to different detection objects and task attributes. The operation process meets the requirements of the Technical Specification for Inspection and Identification JD / YJY02-10-2021 of the Ministry of Public Security. The enrichment result can be used for qualitative detection by a test strip or quantitative detection by a measuring instrument. The instrument has a manual operation mode, which is convenient for users to independently operate a single process. The instrument has an automatic cleaning function and a pipeline automatic emptying function, which prevents cross contamination of water samples during the detection process.

[0033] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application, and they should be covered in the scope of the claims and the specification of the present application.

Claims

1. A wastewater enrichment and concentration system, comprising a body, wherein the body has a built-in control unit and a power supply unit, characterized in that, It also includes an enrichment and concentration unit, which comprises an extraction column (100), a water sample collector (200), a hot air module (300), and a reagent module (400). The output end of the extraction column (100) is connected to a waste liquid bottle (500) and a recovery cup (600) via a multi-way valve (1000); The water sample collector (200) is equipped with a filter (700) at its input end, and the output end of the water sample collector (200) is connected to the extraction column (100). The hot air module (300) is used to blow hot air into the recycling cup (600); The reagent module (400) is used to deliver a pH adjuster to the water sampler (200), an activator, a rinsing agent or eluent to the extraction column (100), and an activator to the recovery cup (600).

2. The wastewater enrichment and concentration system according to claim 1, characterized in that, The water sampler (200) has a collection end upstream of the filter (700), and the collection end is equipped with a peristaltic pump (800).

3. The wastewater enrichment and concentration system according to claim 1, characterized in that, The enrichment and concentration unit includes a multi-channel syringe pump (900) that connects the water sample collector (200) to the extraction column (100), the reagent module (400) to the extraction column (100), and the reagent module (400) to the recovery cup (600).

4. The wastewater enrichment and concentration system according to claim 1, characterized in that, The reagent module (400) includes reagent bottles that respectively contain pH adjuster, activator, rinsing agent and eluent, and the output end of each reagent bottle is connected to the injection pump through a pipeline.

5. The wastewater enrichment and concentration system according to claim 1, characterized in that, The enrichment and concentration unit also includes a vortex mixer located inside the machine body, and the recovery cup (600) is mounted on the vortex mixer.

6. The wastewater enrichment and concentration system according to claim 1, characterized in that, The control unit includes a control system that is signal-connected to the enrichment and concentration unit, and the control system is signal-connected to a control panel located on the outside of the unit.

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