CN219142813U

CN219142813U - Equipment for detecting heavy metals in wastewater

Info

Publication number: CN219142813U
Application number: CN202223520504.5U
Authority: CN
Inventors: 吴云霞; 王双庆
Original assignee: Shandong Lushui Qingshan Testing Technology Co ltd
Current assignee: Shandong Lushui Qingshan Testing Technology Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-06-06
Anticipated expiration: 2032-12-29

Abstract

The utility model belongs to the technical field of heavy metal detection and relates to heavy metal detection equipment in wastewater, which comprises a detection box body, wherein a reaction container and a cleaning mechanism are arranged in the detection box body, two liquid inlet devices are arranged at the top of the detection box body, a liquid discharge pipe is arranged at the lower part of the reaction container, a stirring mechanism is arranged in the reaction container, the stirring mechanism comprises a stirring motor and a stirring shaft, a stirring paddle and an arc scraping plate are arranged on the stirring shaft, the cleaning mechanism comprises a water tank, a water inlet funnel, a water pump, a water inlet pipe and a water outlet pipe, the water outlet pipe is communicated with the reaction container, and a plurality of water spray heads are arranged on the water outlet pipe. The utility model can provide a totally-enclosed environment for heavy metal detection, can not generate the splash phenomenon of detection reagent, ensures the safety during detection, can clean the sediment adhered on the inner wall of the reaction container by the stirring mechanism, and can clean in time by the cleaning mechanism, thereby facilitating repeated detection, avoiding the need of disassembling and cleaning the device, and saving time and labor.

Description

Equipment for detecting heavy metals in wastewater

Technical Field

The utility model belongs to the technical field of heavy metal detection, and particularly relates to equipment for detecting heavy metals in wastewater.

Background

The waste water contains a large amount of heavy metals, the direct discharge can cause certain influence to soil and vegetation, the pollution to the environment is very serious, in order to prevent that the waste water that contains heavy metals from being discharged, need detect it, detect the heavy metals in the waste water, need detect through adding chemical reagent and heavy metal reaction, judge whether there is heavy metal in the sewage according to the colour and the precipitate of reaction liquid.

When heavy metal in wastewater is detected in the prior art, the traditional method is to fully mix the wastewater and the reactant by stirring the wastewater and the chemical reactant by using a stirring rod after adding the wastewater and the chemical reactant into a reaction container, the reaction of the wastewater and the reactant is usually exposed to the external environment in the detection process, the splash phenomenon can occur due to artificial stirring, the detection device has certain danger, CN202122965319.6 discloses a heavy metal detection device in the wastewater, the detection device comprises a box body, a detector is fixedly arranged on one side of the inner bottom wall of the box body, two fixing rods are fixedly connected with the inner bottom wall of the box body, one sides of the two fixing rods, which are close to each other, are rotatably connected with rotating shafts, one ends, which are close to each other, of the two fixing rods are fixedly connected with a reagent cylinder, and the upper ends of two sides of the reagent cylinder are fixedly connected with L-shaped fixing blocks. Through putting into the reagent section of thick bamboo with the test tube, rotate the bull stick, drive the threaded rod and rotate on L type fixed block to drive the clamp splice and be close to each other and remove, thereby press from both sides tight test tube, the pulling pull rod drives reagent section of thick bamboo and pivot and rotates on the dead lever, and reagent section of thick bamboo tensile first spring simultaneously drives the reagent section of thick bamboo under the elasticity of first spring and rocks, thereby is convenient for the test tube to carry out abundant shaking, reduces manual problem of rocking the drip on hand, reduces the injury of waste water to human skin. Although the device can reduce the dripping of the reagent onto the hands, the device is polluted or polluted due to splashing, and sediment is adhered to the inner wall of the reaction container after the detection reaction, so that the device cannot be cleaned timely and the next detection is influenced.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the equipment for detecting the heavy metal in the wastewater, which can prevent the reagent from splashing, can automatically clean after the detection is finished and is safe to use.

In order to achieve the above purpose, the utility model is realized by the following technical scheme:

heavy metal check out test set in waste water, be equipped with the reaction vessel in the detection box, the lower part of reaction vessel is equipped with the fluid-discharge tube, be equipped with the (mixing) shaft in the reaction vessel, the top of (mixing) shaft with the interior roof of reaction vessel rotates to be connected, be equipped with the stirring rake on the (mixing) shaft, the bottom outer wall of reaction vessel be equipped with the (mixing) motor that the (mixing) shaft is connected, be equipped with a plurality of arc scrapers on the lateral wall of (mixing) shaft, the top of reaction vessel is equipped with two feed liquor devices, still be equipped with wiper mechanism in the detection box.

As an improvement, the cleaning mechanism comprises a water tank, the top of the water tank is provided with a water inlet funnel, the top of the water inlet funnel upwards extends out of the detection box body, a water pump is fixedly arranged at the bottom of the water tank, a water inlet of the water pump is connected with a water inlet pipe, the water inlet pipe is communicated with the lower part of the water tank, a water outlet of the water pump is connected with a water outlet pipe, the water outlet pipe is communicated with the upper part of the reaction container, and a plurality of water spray heads are arranged at the tail end of the water outlet pipe.

As an improvement, the liquid inlet device comprises a hopper bin, the bottom end of the hopper bin is connected with a liquid inlet pipe extending into the reaction container, a second valve is arranged on the liquid inlet pipe, and scale marks are arranged on the surface of the hopper bin.

As an improvement, the arc scraping plate is connected with the stirring shaft through a plurality of connecting rods, the connecting rods are distributed on the stirring shaft at equal intervals, the arc scraping plate is in contact with the inner wall of the reaction container, and the radian of the arc scraping plate is matched with the radian of the inner surface of the reaction container.

As an improvement, a bearing frame is arranged in the reaction container, a through hole for allowing the stirring shaft to pass through is formed in the center of the bearing frame, and a plurality of water spraying heads are fixed on the bearing frame

As a further improvement, the detection box body is provided with a visual window.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the detection box body is arranged, the reaction container is arranged in the detection box body, the two liquid inlet devices are respectively used for quantitatively adding wastewater and chemical reaction reagents, and the stirring mechanism arranged in the reaction container can be used for automatically stirring the added wastewater and chemical reaction reagents, so that the full-closed environment for reagent addition and detection is realized, the phenomenon of reagent splashing can not occur, and the safety of a detector during detection is further improved; the (mixing) shaft rotates the in-process and can drive the arc scraper blade to rotate, utilizes the arc scraper blade to scrape the reaction vessel inner wall, is convenient for clean the precipitate that will adhere on the reaction vessel inner wall, and rethread wiper mechanism sprays the reaction vessel inside, in time washs the reaction vessel inside, is convenient for detect next time, labour saving and time saving need not dismantle the clearance to the device.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a schematic diagram of the front structure of the present utility model;

FIG. 4 is a schematic diagram of a liquid inlet device according to the present utility model;

in the figure: 1. detecting a box body; 2. a reaction vessel; 21. a liquid discharge pipe; 211. a first valve; 3. a liquid inlet device; 31. a hopper bin; 32. a liquid inlet pipe; 33. a second valve; 34. scale marks; 4. a stirring mechanism; 41. a stirring shaft; 42. stirring paddles; 43. a stirring motor; 44. a bearing; 5. a connecting rod; 6. an arc-shaped scraping plate; 7. a cleaning mechanism; 71. a water tank; 72. a water inlet funnel; 73. a water pump; 74. a water inlet pipe; 75. a water outlet pipe; 76. a water spray head; 8. a bearing frame; 9. and a visual window.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

Referring to fig. 1-4, the present utility model provides two technical solutions:

embodiment one:

the utility model provides a heavy metal check out test set in waste water, including detecting box 1, the inside fixed mounting who detects box 1 has reaction vessel 2, the bottom fixedly connected with fluid-discharge tube 21 of reaction vessel 2, fixed mounting has first valve 211 on the fluid-discharge tube 21, the top fixed mounting of reaction vessel 2 has two feed liquor devices 3, the inside of reaction vessel 2 is provided with rabbling mechanism 4, rabbling mechanism 4 includes (mixing) shaft 41, the fixedly connected with stirring rake 42 of (mixing) shaft 41 peripheral wall, stirring rake 42 bottom fixed mounting is at agitator motor 43's output, the top is passed through bearing 44 and is connected with the inside roof rotation of reaction vessel 2, the outer wall of (mixing) shaft 41 is passed through connecting rod 5 fixedly connected with arc scraper blade 6, the inside of detecting box 1 just is located reaction vessel 2 one side and is provided with wiper mechanism 7, the front fixed mounting of detecting box 1 has visual window 9.

Embodiment two:

the utility model provides a heavy metal check out test set in waste water, including detecting box 1, the inside fixed mounting who detects box 1 has reaction vessel 2, the bottom fixedly connected with fluid-discharge tube 21 of reaction vessel 2, fixed mounting has first valve 211 on the fluid-discharge tube 21, the top fixed mounting of reaction vessel 2 has two feed liquor devices 3, feed liquor device 3 includes hopper storehouse 31, the bottom fixedly connected with of hopper storehouse 31 extends to the inside feed liquor pipe 32 of reaction vessel 2, fixed mounting has second valve 33 on the feed liquor pipe 32, the scale mark 34 is carved with on the hopper storehouse 31 surface, be convenient for add waste water and proportioned reactant ration into the hopper storehouse 31 inside through hopper storehouse 31, and get into the inside mixture of reaction vessel 2 through feed liquor pipe 32.

The inside of the reaction vessel 2 is provided with a stirring mechanism 4, the stirring mechanism 4 comprises a stirring shaft 41, the peripheral wall of the stirring shaft 41 is fixedly connected with a stirring paddle 42, the bottom end of the stirring paddle 42 is fixedly arranged at the output end of a stirring motor 43, the top end of the stirring paddle is rotationally connected with the inner top wall of the reaction vessel 2 through a bearing 44, the stirring motor 43 is fixedly arranged at the bottom wall of the reaction vessel 2, the stirring motor 43 is electrically connected with an external power supply through a wire, the stirring motor 43 is started, and the stirring motor 43 drives the stirring shaft 41 to rotate through electric power so as to drive the stirring paddle 42 to rotate to stir and mix wastewater and a reactant in the reaction vessel 2; the outer wall of (mixing) shaft 41 passes through connecting rod 5 fixedly connected with arc scraper blade 6, and the quantity of connecting rod 5 is a plurality of, and connecting rod 5 equidistant distribution is on (mixing) shaft 41, and arc scraper blade 6 and reaction vessel 2 inner wall contact, arc scraper blade 6's radian and reaction vessel 2's internal surface radian looks adaptation, and (mixing) shaft 41 rotates and can drive arc scraper blade 6 and rotate, and then can strike off reaction vessel 2 inner wall precipitate through arc scraper blade 6 for the precipitate product that the reaction goes on can not adhere on reaction vessel 2's inner wall, the later cleaning work of being convenient for.

The detection box body 1 is internally provided with a cleaning mechanism 7 at one side of the reaction container 2, the cleaning mechanism 7 comprises a water tank 71 fixedly installed in the detection box body 1, a water inlet funnel 72 extending out of the top wall of the detection box body 1 is fixedly installed at the top of the water tank 71, a water pump 73 is fixedly installed at the bottom of the water tank 71, a water inlet pipe 74 extending into the water tank 71 is fixedly connected with a water inlet of the water pump 73, a water outlet pipe 75 extending into the reaction container 2 is fixedly connected with a water outlet pipe 75, a water spray head 76 is fixedly connected with the tail end of the water outlet pipe 75, the water spray head 76 is fixedly installed on a bearing frame 8 in the reaction container 2, two ends of the bearing frame 8 are fixedly installed on the inner wall of the reaction container 2 through bolts respectively, a through hole for a stirring shaft 41 to penetrate is formed in the center of the bearing frame 8, and the bearing frame 8 is used for installing the water spray head 76; the clean water is injected into the water tank 71 through the water inlet funnel 72, after the detection of the inside of the reaction vessel 2 is finished once, the waste liquid after the reaction of the inside of the reaction vessel 2 is discharged through the liquid discharge pipe 21, the water pump 73 is started, the clean water in the water tank 71 is pumped to the water spraying head 76 through the water inlet pipe 74 and the water outlet pipe 75, and the inside of the reaction vessel 2 is sprayed through the water spraying head 76, so that the inside of the reaction vessel 2 is automatically cleaned in time.

The front fixed mounting of detection box 1 has visual window 9, and reaction vessel 2 is transparent glass material, and visual window 9 is transparent glass or transparent plastic material, is convenient for look over the inside reaction condition of reaction vessel 2 through visual window 9.

When the heavy metal detection equipment in wastewater is used, through arranging the detection box body 1, arranging the reaction container 2 in the detection box body 1, fixedly arranging two liquid inlet devices 3 at the top of the reaction container 2, respectively adding wastewater and chemical reaction reagent into the reaction container 2 by two hopper bins 31, and adding the wastewater or the chemical reaction reagent into the reaction container 2 by opening a second valve 33, automatically stirring the solvent added into the reaction container 2 by arranging the stirring mechanism 4 in the reaction container 2, judging whether heavy metal exists in the wastewater by observing the color of the reaction reagent, and fixedly arranging a visual window 9 on the front surface of the detection box body 1, wherein the liquid inlet devices 3 are arranged at the top of the reaction container 2, and the stirring mechanism 4 is arranged in the reaction container 2, so that the reagent is added and the reaction is performed in a fully-closed environment without a broken sputtering phenomenon, and the safety of a detector is further improved; in the detection process, the arc scraping plate 6 fixedly connected with the inner wall of the reaction container 2 is fixedly connected to the outer wall of the stirring shaft 41 through the connecting rod 5, and then the arc scraping plate 6 can be driven to rotate in the rotation process of the stirring shaft 41, so that a sediment product produced by the reaction cannot adhere to the inner wall of the reaction container 2, the later cleaning work is facilitated, in addition, the cleaning mechanism 7 comprises a water tank 71 and a water pump 73 arranged at the bottom of the water tank 71, clear water is injected into the water tank 71 through a water inlet funnel 72, waste liquid produced after the reaction inside the reaction container 2 is discharged through a liquid discharge pipe 21 after the detection inside the reaction container 2 is finished once, the water pump 73 is started, clear water inside the water tank 71 is pumped to a water spray head 76 through a water inlet pipe 74 and a water outlet pipe 75, and the reaction container 2 is sprayed through the water spray head 76, meanwhile, the inner wall of the reaction container 2 is scraped by the arc scraping plate 6, the inside the reaction container 2 is automatically cleaned in time, the next detection is facilitated, and waste water after the cleaning is discharged outwards through the liquid discharge pipe 21 through opening a first valve 211.

And all that is not described in detail in this specification is well known to those skilled in the art.

It is noted that 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.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a heavy metal check out test set in waste water, includes detection box, its characterized in that: the detection box body is internally provided with a reaction container, the lower part of the reaction container is provided with a liquid discharge pipe, the reaction container is internally provided with a stirring shaft, the top of the stirring shaft is rotationally connected with the inner top wall of the reaction container, the stirring shaft is provided with a stirring paddle, the outer wall of the bottom of the reaction container is provided with a stirring motor connected with the stirring shaft, the outer side wall of the stirring shaft is provided with a plurality of arc scraping plates, the top of the reaction container is provided with two liquid inlet devices, and the detection box body is internally provided with a cleaning mechanism.

2. The apparatus for detecting heavy metals in wastewater according to claim 1, wherein: the cleaning mechanism comprises a water tank, a water inlet funnel is arranged at the top of the water tank, the top end of the water inlet funnel extends out of the detection box body upwards, a water pump is fixedly arranged at the bottom of the water tank, a water inlet of the water pump is connected with a water inlet pipe, the water inlet pipe is communicated with the lower part of the water tank, a water outlet of the water pump is connected with a water outlet pipe, the water outlet pipe is communicated with the upper part of the reaction container, and a plurality of water spray heads are arranged at the tail end of the water outlet pipe.

3. The apparatus for detecting heavy metals in wastewater according to claim 1, wherein: the liquid inlet device comprises a hopper bin, the bottom end of the hopper bin is connected with a liquid inlet pipe extending into the reaction container, a second valve is arranged on the liquid inlet pipe, and scale marks are arranged on the surface of the hopper bin.

4. The apparatus for detecting heavy metals in wastewater according to claim 1, wherein: the arc-shaped scraping plates are connected with the stirring shaft through a plurality of connecting rods, the connecting rods are distributed on the stirring shaft at equal intervals, the arc-shaped scraping plates are in contact with the inner wall of the reaction container, and the radian of the arc-shaped scraping plates is matched with the radian of the inner surface of the reaction container.

5. The apparatus for detecting heavy metals in wastewater according to claim 2, wherein: the reaction vessel is internally provided with a bearing frame, the center of the bearing frame is provided with a through hole for the stirring shaft to pass through, and a plurality of water spray heads are fixed on the bearing frame.

6. The apparatus for detecting heavy metals in wastewater according to any one of claims 1 to 5, characterized in that: the detection box body is provided with a visual window.