Detection apparatus for heavy metal in waste water
阅读说明：本技术 一种废水中重金属的检测装置 (Detection apparatus for heavy metal in waste water ) 是由 张大荡 蒋琴 范荣伟 朱钰懿 韩玉良 程峰 于 2020-07-17 设计创作，主要内容包括：本发明公开了一种废水中重金属的检测装置,涉及废水检测技术领域,包括柜体、放置机构和检测箱,所述柜体的上方固定有第一安装台,且第一安装台的上方安装有第二安装台,所述放置机构设置于第一安装台与第二安装台之间的前方一侧,所述检测箱安装于第二安装台的中部上方,且检测箱的上方两侧固定有进料斗,所述进料斗的内部上方设置有第一滤网,且第一滤网的下方设置有第二滤网,所述检测箱的中部上方安装有电动机。本发明的有益效果是：该装置通过对放置机构的设置便于废水样品的放置和保存,呈对称状均匀分布的六个放置槽便于分别设置六个废水样品,通过对检测箱的设置便于对废水与检验用试剂溶液进行化学混合处理以便于后续的检测。(The invention discloses a detection device for heavy metals in wastewater, and relates to the technical field of wastewater detection, which comprises a cabinet body, a placement mechanism and a detection box, wherein a first mounting table is fixed above the cabinet body, a second mounting table is mounted above the first mounting table, the placement mechanism is arranged on one side in front between the first mounting table and the second mounting table, the detection box is mounted above the middle part of the second mounting table, feed hoppers are fixed on two sides above the detection box, a first filter screen is arranged above the inner part of each feed hopper, a second filter screen is arranged below the first filter screen, and a motor is mounted above the middle part of the detection box. The invention has the beneficial effects that: the device is convenient for placing and preserving the wastewater sample through the setting of the placing mechanism, six placing grooves which are symmetrically and uniformly distributed are convenient for respectively setting six wastewater samples, and the wastewater and the reagent solution for detection are conveniently subjected to chemical mixing treatment through the setting of the detection box so as to be convenient for subsequent detection.)
1. The utility model provides a detection apparatus for heavy metal in waste water, includes the cabinet body (1), places mechanism (4) and detection case (5), its characterized in that: the improved water-saving cabinet is characterized in that a first mounting table (2) is fixed above the cabinet body (1), a second mounting table (3) is installed above the first mounting table (2), a placement mechanism (4) is arranged on one side in front between the first mounting table (2) and the second mounting table (3), the detection box (5) is installed above the middle of the second mounting table (3), feed hoppers (6) are fixed on two sides above the detection box (5), a first filter screen (7) is arranged above the inner portion of each feed hopper (6), a second filter screen (8) is arranged below each first filter screen (7), a motor (9) is installed above the middle of the detection box (5), a rotating shaft (10) is arranged on the lower side of each motor (9), a stirring rod (11) is fixed on the outer side of each rotating shaft (10), water drain pipes (12) are connected on two sides below the detection box (5), and a drainage valve (13) is installed below the middle part of the detection box (5), a drainage pipe (14) is connected below the drainage valve (13), a waste water barrel (15) is installed below the drainage pipe (14), and liquid injection mechanisms (16) are arranged on two sides of the detection box (5).
2. The apparatus for detecting heavy metal in wastewater according to claim 1, wherein: the first installation table (2) and the second installation table (3) are parallel to each other, and the symmetry centers of the first installation table (2) and the second installation table (3) are overlapped.
3. The apparatus for detecting heavy metal in wastewater according to claim 1, wherein: the placing mechanism (4) comprises a placing frame (401), a placing groove (402), a movable shaft (403), a limiting ring (404), a movable supporting plate (405), a micro cylinder (406), a piston rod (407) and an ejector plate (408), the placing frame (401) is arranged at one side in front between the first mounting table (2) and the second mounting table (3), a placing groove (402) is arranged in the placing frame (401), a movable shaft (403) is arranged above the middle part of the placing frame (401), a limiting ring (404) is arranged on the outer side above the placing groove (402), a movable supporting plate (405) is arranged below the inner part of the placing groove (402), a micro cylinder (406) is arranged in the first mounting table (2), and a piston rod (407) is arranged above the micro cylinder (406), and an ejector plate (408) is fixed above the piston rod (407).
4. The apparatus for detecting heavy metal in wastewater according to claim 3, wherein: the six placing grooves (402) are symmetrically and uniformly distributed on the middle axis of the placing frame (401), and the placing frame (401) is of a rotatable structure through a movable shaft (403).
5. The apparatus for detecting heavy metal in wastewater according to claim 3, wherein: the symmetry center of the ejection plate (408) is superposed with the symmetry center of the movable supporting plate (405), and the ejection plate (408) forms a lifting structure through the micro cylinder (406) and the piston rod (407).
6. The apparatus for detecting heavy metal in wastewater according to claim 1, wherein: the top bilateral symmetry of detection case (5) distributes and has two sets of feeder hoppers (6), and the inside parallel arrangement of feeder hopper (6) has first filter screen (7) and second filter screen (8).
7. The apparatus for detecting heavy metal in wastewater according to claim 1, wherein: the vertical center line of the rotating shaft (10) is superposed with the vertical center line of the detection box (5), and the detection box (5) is communicated with the interior of the waste water barrel (15) through a drainage valve (13) and a drainage pipe (14).
8. The apparatus for detecting heavy metal in wastewater according to claim 1, wherein: annotate liquid mechanism (16) including water pump (1601), connection water pipe (1602), drinking-water pipe (1603), water tank (1604) and water injection pipe (1605), water pump (1601) are installed in the both sides between first mount table (2) and second mount table (3), and the below of water pump (1601) installs connection water pipe (1602), the below of connecting water pipe (1602) is connected with drinking-water pipe (1603), and the below of drinking-water pipe (1603) is provided with water tank (1604), the top one side of water pump (1601) is connected with water injection pipe (1605).
9. The apparatus for detecting heavy metal in wastewater according to claim 8, wherein: water pump (1601) are linked together through the inside of water injection pipe (1605) with detection case (5), and water injection pipe (1605) are provided with two sets ofly to water injection pipe (1605) symmetric distribution is in the outside both sides of detection case (5).
Technical Field
The invention relates to the technical field of wastewater detection, in particular to a detection device for heavy metals in wastewater.
Background
The waste water is a general term of water and runoff rainwater drained in the process of activities of residents. It includes domestic sewage, industrial waste water and other useless water such as the initial rain flows into the sewer canal, generally refers to the water that does not utilize or does not utilize the value. Water pollution is becoming worse due to a series of causes such as excessive use of resources and destruction of the environment. The water pollution is mainly caused by sewage discharged by factory enterprises except domestic wastewater, and is an important means for restraining water pollution and protecting human life sources through an advanced and perfect water quality detection technology.
The detection device of current aquatic heavy metal is not convenient for deposit respectively waste water sample to be not convenient for take out when preserving, appear the cracked condition of container empting easily moreover, can not fully filter waste water at the in-process that detects, also can not concentrate waste water after the detection and discharge and collect the processing, it is comparatively troublesome to use, for this reason, we propose a detection method and device of heavy metal in waste water.
Disclosure of Invention
The invention aims to provide a device for detecting heavy metals in wastewater, which solves the problems that the conventional device for detecting heavy metals in water, which is proposed in the background art, is inconvenient to store and take out wastewater samples respectively, is inconvenient to take out during storage, is easy to topple and crack in a container, cannot filter wastewater fully in the detection process, cannot discharge and collect the wastewater in a centralized manner after detection, and is troublesome to use.
In order to achieve the purpose, the invention provides the following technical scheme: a method and a device for detecting heavy metals in wastewater comprise a cabinet body, a placing mechanism and a detection box, wherein a first mounting table is fixed above the cabinet body, a second mounting table is mounted above the first mounting table, the placing mechanism is arranged on one side in front between the first mounting table and the second mounting table, the detection box is mounted above the middle part of the second mounting table, feed hoppers are fixed on two sides above the detection box, a first filter screen is arranged above the inner part of each feed hopper, a second filter screen is arranged below the first filter screen, a motor is mounted above the middle part of the detection box, a rotating shaft is arranged on the lower side of the motor, a stirring rod is fixed on the outer side of the rotating shaft, drain pipes are connected to two sides below the detection box, a drain valve is mounted below the middle part of the detection box, and a drain pipe is connected below the drain valve, and a waste water barrel is arranged below the drain pipe, and liquid injection mechanisms are arranged on two sides of the detection box.
Preferably, the first mounting table and the second mounting table are parallel to each other, and the symmetry centers of the first mounting table and the second mounting table are overlapped.
Preferably, the placing mechanism comprises a placing frame, a placing groove, a movable shaft, a limiting ring, a movable supporting plate, a micro cylinder, a piston rod and an ejection plate, the placing frame is arranged on one side of the front portion between a first mounting platform and a second mounting platform, the placing groove is arranged inside the placing frame, the movable shaft is arranged above the middle portion of the placing frame, the limiting ring is arranged on the outer side of the top of the placing groove, the movable supporting plate is arranged below the inner portion of the placing groove, the micro cylinder is arranged inside the first mounting platform, the piston rod is arranged above the micro cylinder, and the ejection plate is fixed above the piston rod.
Preferably, the standing grooves are provided with six, the standing grooves are symmetrically and uniformly distributed about the central axis of the placing frame, and the placing frame forms a rotatable structure through the movable shaft.
Preferably, the symmetry center of the ejector plate coincides with the symmetry center of the movable supporting plate, and the ejector plate forms a lifting structure through the micro cylinder and the piston rod.
Preferably, the top bilateral symmetry of detection case distributes and has two sets of feeder hoppers, and the inside parallel arrangement of feeder hopper has first filter screen and second filter screen.
Preferably, the vertical central line of the rotating shaft coincides with the vertical central line of the detection box, and the detection box is communicated with the interior of the waste water barrel through a drainage valve and a drainage pipe.
Preferably, annotate liquid mechanism including the water pump, connect water pipe, drinking-water pipe, water tank and water injection pipe, the water pump is installed in the both sides between first mount table and the second mount table, and the below of water pump installs and connects the water pipe, the below of connecting the water pipe is connected with the drinking-water pipe, and the below of drinking-water pipe is provided with the water tank, top one side of water pump is connected with the water injection pipe.
Preferably, the water pump is linked together through the inside of water injection pipe with the detection case, and the water injection pipe is provided with two sets ofly to water injection pipe symmetric distribution is in the outside both sides of detection case.
Preferably, the method for detecting the heavy metals in the wastewater comprises the following specific steps:
A. wastewater collection and sampling
Collecting wastewater, injecting the collected wastewater after primary precipitation into a wastewater sample reagent tube for preservation, and placing the wastewater sample reagent tube into a placing groove of a placing frame;
B. filtering waste water to remove impurities
Filtering the wastewater, taking out a wastewater sample reagent tube in the placing frame by rotating the movable shaft, and pouring the wastewater sample reagent tube into the detection box through the feed hopper, so that the first filter screen and the second filter screen perform layered filtration on impurities in the wastewater sample;
C. comprehensive treatment of waste water
Injecting a reagent solution for detection in the water tank into the detection box through a water pump and a water injection pipe, and uniformly stirring the interior of the detection box through a rotating shaft and a stirring rod to fully mix the wastewater and the reagent solution for detection, and performing chemical treatment on the wastewater to obtain a dissolved solution;
D. wastewater detection and analysis
And detecting the treated wastewater dissolved solution by using a spectrometer, and performing qualitative and quantitative analysis on detection data to obtain a detection result.
The invention provides a method and a device for detecting heavy metals in wastewater, which have the following beneficial effects:
1. the wastewater sample storage device is convenient for storing and preserving wastewater samples through the arrangement of the placement mechanism, the six symmetric and uniformly distributed placement grooves are convenient for respectively arranging the six wastewater samples, only the positions of the positioning rings are provided with the outlets of the placement grooves for taking out the wastewater samples, the positions of the placement frames are convenient for rotating through the movable shaft, so that the wastewater samples can be taken out in sequence, and the placement mechanism and the detection box are conveniently and stably arranged on the first installation platform and the second installation platform which are arranged in parallel and symmetrically.
2. The micro cylinder and the piston rod in the placing mechanism are arranged to drive the ejector plate to move up and down, the symmetrical center of the ejector plate is superposed with the symmetrical center of the movable supporting plate, so that the ejector plate can movably eject the movable supporting plate upwards, a wastewater sample reagent tube above the movable supporting plate is ejected conveniently, and the limit ring is arranged to limit and prevent the outside of the ejected wastewater sample reagent tube from falling.
3. According to the invention, the detection box is arranged to facilitate chemical mixing treatment of wastewater and reagent solution for detection so as to facilitate subsequent detection, the two groups of feed hoppers can be used for pouring wastewater samples, the first filter screen and the second filter screen which are arranged in parallel are used for facilitating layered filtration of impurities in the wastewater samples, and the arrangement of the double-layer filter screen enables the filtration to be more thorough, so that the detection result is prevented from being influenced by the existence of solid impurities.
4. According to the invention, the motor is arranged to drive the rotating shaft to rotate, the rotating shaft and the stirring rod are convenient for uniformly stirring the interior of the detection box, so that the wastewater is fully mixed with the reagent solution for detection, the detected wastewater is conveniently discharged into the wastewater barrel for centralized collection and storage through the drainage valve and the drainage pipe, the problem that the wastewater is inconvenient to store and treat is solved, and the problem that the wastewater is troublesome to pour for many times can be avoided.
5. According to the invention, the liquid injection mechanism is arranged to facilitate the addition of the reagent solution for inspection into the detection box, the water pump can pump out the solution in the water tank through the connecting water pipe and the water pumping pipe, the water pump can inject the reagent solution for inspection into the detection box through the water injection pipe, and the two groups of water injection pipes can respectively inject different reagent solutions for inspection.
Drawings
FIG. 1 is a schematic front view and a half-sectional structure of a device for detecting heavy metals in wastewater according to the present invention;
FIG. 2 is an enlarged schematic view of the part A in FIG. 1 of the detection apparatus for heavy metals in wastewater according to the present invention;
FIG. 3 is a schematic sectional front view of the device for detecting heavy metals in wastewater according to the present invention;
FIG. 4 is a schematic view of the top view of the device for detecting heavy metals in wastewater according to the present invention;
FIG. 5 is an enlarged structural diagram of the interior of a detection box of the device for detecting heavy metals in wastewater according to the present invention.
In the figure: 1. a cabinet body; 2. a first mounting table; 3. a second mounting table; 4. a placement mechanism; 401. placing the frame; 402. a placement groove; 403. a movable shaft; 404. a limiting ring; 405. a movable supporting plate; 406. a micro cylinder; 407. a piston rod; 408. ejecting the plate; 5. a detection box; 6. a feed hopper; 7. a first filter screen; 8. a second filter screen; 9. an electric motor; 10. a rotating shaft; 11. a stirring rod; 12. a water discharge pipe; 13. a drain valve; 14. a drain pipe; 15. a waste water tank; 16. a liquid injection mechanism; 1601. a water pump; 1602. connecting a water pipe; 1603. a water pumping pipe; 1604. a water tank; 1605. a water injection pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-5, the present invention provides a technical solution: a method and a device for detecting heavy metals in wastewater comprise a cabinet body 1, a first installation platform 2, a second installation platform 3, a placement mechanism 4, a placement frame 401, a placement groove 402, a movable shaft 403, a limiting ring 404, a movable supporting plate 405, a micro cylinder 406, a piston rod 407, an ejection plate 408, a detection box 5, a feed hopper 6, a first filter screen 7, a second filter screen 8, a motor 9, a rotating shaft 10, a stirring rod 11, a drain pipe 12, a drain valve 13, a drain pipe 14, a waste water barrel 15, a liquid injection mechanism 16, a water pump 1601, a connecting water pipe 1602, a water pumping pipe 1603, a water tank 1604 and a water injection pipe 1605, wherein the first installation platform 2 is fixed above the cabinet body 1, the second installation platform 3 is installed above the first installation platform 2, the first installation platform 2 and the second installation platform 3 are parallel to each other, symmetrical centers between the first installation platform 2 and the second installation platform 3 coincide, the first installation platform 2 and the second installation platform 3 which are parallel and symmetrical to each other are convenient for stably arranging the placement mechanism 4 and the detection box 5, stably supporting the detection box 5;
the placing mechanism 4 is arranged at one side in front between the first mounting table 2 and the second mounting table 3, the placing mechanism 4 comprises a placing frame 401, a placing groove 402, a movable shaft 403, a limiting ring 404, a movable supporting plate 405, a micro-cylinder 406, a piston rod 407 and an ejector plate 408, the placing frame 401 is arranged at one side in front between the first mounting table 2 and the second mounting table 3, the placing groove 402 is arranged in the placing frame 401, the movable shaft 403 is arranged above the middle part of the placing frame 401, the limiting ring 404 is arranged at the outer side above the placing groove 402, the movable supporting plate 405 is arranged below the inner part of the placing groove 402, the micro-cylinder 406 is arranged in the first mounting table 2, the piston rod 407 is arranged above the micro-cylinder 406, the ejector plate 408 is fixed above the piston rod 407, the six ejector grooves 402 are arranged, and the placing grooves 402 are symmetrically and uniformly distributed around the central axis of the placing frame 401, the placing frame 401 forms a rotatable structure through the movable shaft 403, six placing grooves 402 which are symmetrically and uniformly distributed are convenient for respectively arranging six wastewater samples, the position of the placing frame 401 is convenient to rotate through the movable shaft 403 so as to take out the wastewater samples in sequence, the symmetric center of the ejector plate 408 is overlapped with the symmetric center of the movable supporting plate 405, the ejector plate 408 forms a liftable structure through the micro cylinder 406 and the piston rod 407, the miniature cylinder 406 and the piston rod 407 can drive the ejector plate 408 to move up and down, and the symmetric center of the ejector plate 408 is overlapped with the symmetric center of the movable supporting plate 405 so that the ejector plate 408 can movably eject the movable supporting plate 405 upwards to eject the wastewater sample reagent tube above the movable supporting plate 405;
the detection box 5 is arranged above the middle part of the second mounting table 3, feed hoppers 6 are fixed on two sides above the detection box 5, a first filter screen 7 is arranged above the inner part of each feed hopper 6, a second filter screen 8 is arranged below the first filter screen 7, two groups of feed hoppers 6 are symmetrically distributed on two sides above the detection box 5, the first filter screens 7 and the second filter screens 8 are arranged in parallel inside the feed hoppers 6, the two groups of feed hoppers 6 can be used for pouring wastewater samples, the first filter screens 7 and the second filter screens 8 which are arranged in parallel are convenient for carrying out layered filtration on impurities in the wastewater samples, the arrangement of the double-layer filter screens ensures that the filtration is more thorough, the detection result is prevented from being influenced by solid impurities, a motor 9 is arranged above the middle part of the detection box 5, a rotating shaft 10 is arranged on the lower side of the motor 9, a stirring rod 11 is fixed on the outer side of the rotating shaft 10, a drainage valve 13 is arranged below the middle part of the detection box 5, a drainage pipe 14 is connected below the drainage valve 13, a waste water barrel 15 is arranged below the drainage pipe 14, the vertical central line of the rotating shaft 10 is overlapped with the vertical central line of the detection box 5, the detection box 5 is communicated with the interior of the waste water barrel 15 through the drainage valve 13 and the drainage pipe 14, the interior of the detection box 5 is uniformly stirred through the rotating shaft 10 and the stirring rod 11, so that the waste water and the reagent solution for detection are fully mixed, and the detected waste water is conveniently discharged into the waste water barrel 15 through the drainage valve 13 and the drainage pipe 14 for centralized collection and storage;
The detection method of the heavy metals in the wastewater comprises the following specific steps:
A. wastewater collection and sampling
Collecting wastewater, injecting the collected wastewater after primary precipitation into a wastewater sample reagent tube for preservation, and placing the wastewater sample reagent tube into a placing
B. filtering waste water to remove impurities
Filtering the wastewater, taking out a wastewater sample reagent tube in the
C. comprehensive treatment of waste water
Injecting a reagent solution for testing in the water tank 1604 into the
D. wastewater detection and analysis
And detecting the treated wastewater dissolved solution by using a spectrometer, and performing qualitative and quantitative analysis on detection data to obtain a detection result.
In summary, when the method and the device for detecting heavy metals in wastewater are used, firstly, the position of the
then, a proper amount of wastewater can be taken out and poured into a
finally, a certain amount of wastewater dissolved solution is taken out through the water discharge pipe 12, the treated wastewater dissolved solution is detected by using a spectrometer, qualitative and quantitative analysis is carried out on detection data to obtain a detection result, and residual wastewater in the
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
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