CN215493502U

CN215493502U - Environmental air fluoride detection device

Info

Publication number: CN215493502U
Application number: CN202122039805.5U
Authority: CN
Inventors: 缪玲丽; 陈芳丽; 胡亚芬; 隋永菊; 陆琳玲
Original assignee: Jiaxing Zhongyi Testing Institute Co ltd
Current assignee: Jiaxing Zhongyi Testing Institute Co ltd
Priority date: 2021-08-27
Filing date: 2021-08-27
Publication date: 2022-01-11
Anticipated expiration: 2031-08-27

Abstract

The utility model relates to an environmental air fluoride detection device, which comprises a draw-bar box type machine body, wherein an acquisition system, a liquid conveying system and a detection system are arranged in the machine body, and the acquisition system comprises a sampling pump and a sampling head; the liquid feeding system comprises a plurality of liquid feeding pumps, the machine body is provided with a liquid storage box, each liquid feeding pump is connected with a liquid inlet pipe and a liquid outlet pipe, and the liquid inlet pipes extend into the liquid storage box and are respectively detachably connected with a liquid storage bottle; the detection system comprises an ion activity meter with a reference electrode and a fluorine ion selective electrode, and the top of the machine body is provided with a detection workbench; the utility model adopts an integrated design, integrates the devices required by fluoride detection into a machine body, can be carried to a detection point, and is convenient and rapid for detection.

Description

Environmental air fluoride detection device

Technical Field

The utility model relates to the field of environmental monitoring equipment, in particular to an environmental air fluoride detection device.

Background

Fluoride has important applications in modern technology, hydrofluoric acid being the most important fluoride produced, primarily for the production of fluorocarbons and aluminum fluorides, and hydrofluoric acid has many special applications, such as the use thereof for glass dissolution.

The fluoride detection process mainly comprises three stages of sample collection, separation and analysis, and the current collection technology of the fluoride in the air mainly comprises a sodium hydroxide solution absorption and filter membrane collection method. Considering the advantages of convenient carrying of the filter membrane, high fluoride trapping rate and the like, the filter membrane method is mostly adopted for fluoride collection at present. At present, the separation method after collecting a fluoride sample by a fluoride filter membrane mainly comprises the following steps: hydrochloric acid soaking, ultrasonic cleaning and sulfuric acid distillation. The existing standard adopts a hydrochloric acid soaking and ultrasonic cleaning separation technology, a treated sample mainly adopts a fluoride ion selective electrode method to measure fluoride, and the method has the advantages of rapidness, sensitivity, wide application range, simplicity, convenience, accuracy and the like, and is widely used at home at present.

In the three steps of fluoride detection, fluoride collection needs to be completed at a collection point, and separation and analysis steps need to be completed in a laboratory, so that a detection result cannot be quickly obtained, and no laboratory instrument for quick fluoride detection exists in the market at present.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is directed to overcome the drawbacks of the prior art, and provides an environmental air fluoride detection apparatus, which adopts an integrated design, integrates the devices required for fluoride detection into one machine body, and can be carried to a detection point, thereby facilitating and fast detection.

The utility model discloses an environmental air fluoride detection device, which comprises a draw-bar box type machine body, wherein an acquisition system, a liquid conveying system and a detection system are arranged in the machine body, the acquisition system comprises a sampling pump and a sampling head, an air inlet of the sampling pump is connected with the sampling head through an air pipe, and a gas flowmeter is arranged on the air pipe; the liquid feeding system comprises a plurality of liquid feeding pumps, the machine body is provided with a liquid storage box, each liquid feeding pump is connected with a liquid inlet pipe and a liquid outlet pipe, the liquid inlet pipes extend into the liquid storage box and are respectively detachably connected with a liquid storage bottle, the liquid outlet pipes are connected with liquid outlet needle tubes, and liquid flow meters are arranged on the liquid outlet pipes; the detection system comprises an ion activity meter with a reference electrode and a fluorine ion selective electrode, a detection workbench is arranged at the top of the machine body, an electrode support is arranged on one side of the detection workbench, and the reference electrode and the fluorine ion selective electrode are detachably arranged on the electrode support.

Further, the top of organism is in one side of testing workbench is provided with the hickey, the sampling head and be provided with the connection on the electrode support respectively hickey and threaded rod of hickey, the trachea of sampling pump is connected the hickey.

Furthermore, the detection workbench is composed of a concave placing groove, a speed regulating motor is arranged below the placing groove, a magnetic rotor is arranged at the output end of the speed regulating motor, and an ultrasonic transducer is fixedly arranged outside the side wall of the placing groove.

Furthermore, an article box is arranged on the machine body and provided with a box door, an inflatable air bag is arranged on one side, facing the interior of the article box, of the box door, the air bag is connected to the air outlet of the sampling pump through a branch pipe, and a valve is arranged on the branch pipe.

Furthermore, an electric cabinet is further arranged on the machine body, a control system is arranged in the electric cabinet, the control system is electrically connected with the sampling pump, the liquid feeding pump, the speed regulating motor and the ultrasonic transducer, and the ion activity meter is integrated in the electric cabinet.

The utility model has the beneficial effects that: the utility model discloses an environmental air fluoride detection device which is provided with a draw-bar box type machine body and is convenient to carry, wherein an acquisition system, a liquid conveying system and a detection system are integrated in the machine body, the acquisition system is used for collecting fluorides in air, the liquid conveying system can output pre-prepared impregnation liquid, fluorine standard series use liquid, buffer liquid and leaching liquid, and the detection system is used for detecting the prepared solution to be detected to obtain a detection result.

Drawings

The utility model is further described below with reference to the following figures and examples:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view taken in the direction AA of FIG. 1;

fig. 3 is a schematic view of the internal structure of the present invention.

Description of reference numerals: the device comprises a machine body 1, a threaded connector 11, an article box 12, a box door 13, an air bag 14, an electric cabinet 15, a sampling pump 21, a sampling head 22, a liquid feeding pump 31, a liquid storage box 32, a liquid storage bottle 33, a liquid outlet needle tube 34, a reference electrode 41, a fluorine ion selective electrode 42, a detection workbench 43, a placing groove 44, a speed regulating motor 45, a magnetic rotor 46 and an ultrasonic transducer 47.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.

As shown in fig. 1-3, the environmental air fluoride detection device in this embodiment includes a machine body 1, where the machine body 1 is of a draw-bar box structure and is convenient to carry, a collection system, a liquid feeding system and a detection system are disposed in the machine body 1, the collection system includes a sampling pump 21 and a sampling head 22, an air inlet of the sampling pump 21 is connected to the sampling head 22 through an air pipe, and the air pipe is provided with a gas flowmeter; the liquid feeding system comprises a plurality of liquid feeding pumps 31, the machine body 1 is provided with a liquid storage box 32, each liquid feeding pump 31 is connected with a liquid inlet pipe and a liquid outlet pipe, the liquid inlet pipes extend into the liquid storage box 32 and are respectively detachably connected with a liquid storage bottle 33, the liquid outlet pipes are connected with liquid outlet needle tubes 34, and liquid flow meters are arranged on the liquid outlet pipes; the detection system comprises an ion activity meter with a reference electrode 41 and a fluorine ion selective electrode 42, a detection workbench 43 is arranged at the top of the machine body 1, an electrode support is arranged on one side of the detection workbench, and the reference electrode 41 and the fluorine ion selective electrode 42 are detachably arranged on the electrode support.

In the practical implementation process, the sampling pump 21 sucks air, an impregnated filter membrane for filtering and adsorbing fluoride is arranged in the sampling head 22, and the filter membrane is taken down after the sucked air amount reaches the standard; in the liquid feeding system, reagents required for fluoride detection, such as a preliminarily prepared leaching liquid, a fluorine standard series use liquid, and a buffer liquid, are stored in the liquid storage bottle 33, and are hermetically stored in the liquid storage bottle 33, and when the reagents are required to be used, the reagents are outputted by the liquid feeding pump 31.

In this embodiment, a threaded interface 11 is disposed on one side of the detection workbench 43 at the top of the machine body 1, the sampling head 22 and the electrode holder are respectively provided with a threaded pipe and a threaded rod which are connected to the threaded interface 11, and an air pipe of the sampling pump 21 is connected to the threaded interface 11.

In the process of collecting fluoride by air suction, the sampling head 22 is connected through the threaded interface 11, and the sampling head 22 can be taken down and replaced by the electrode bracket after collection is completed.

In this embodiment, the detection workbench 43 is composed of a recessed placement groove 44, a container containing a sample or a reagent can be placed in the placement groove 44, an adjustable speed motor 45 is disposed below the placement groove 44, a magnetic rotor 46 is disposed at an output end of the adjustable speed motor 45, a plurality of reagents need to be magnetically stirred during a fluoride detection process, and the magnetic rotor 46 and the adjustable speed motor 45 constitute a simple magnetic stirrer, so that a stirrer can be placed in the container for magnetic stirring before stirring, and ultrasonic cleaning is needed during a fluoride separation process, so that an ultrasonic transducer 47 is fixedly disposed outside a side wall of the placement groove 44 for generating ultrasonic vibration.

In the actual inspection process, various accessories, such as tweezers, scissors, plastic containers and the like, need to be used, so in this embodiment, the machine body 1 is provided with an article box 12 for placing these articles, the article box 12 is provided with a box door 13, one side of the box door 13 facing the interior of the article box 12 is provided with an inflatable airbag 14, the airbag 14 is connected to the air outlet of the sampling pump 21 through a branch pipe, the branch pipe is provided with a valve, the airbag 14 is inflated through controlling the valve and adopting the pump, the moving space in the article box 12 is reduced, and articles in the article box 12 are prevented from colliding.

In this embodiment, the body 1 is further provided with an electric cabinet 15, a control system is arranged in the electric cabinet 15, the control system is electrically connected to the sampling pump 21, the liquid feeding pump 31, the speed regulating motor 45 and the ultrasonic transducer 47, and the ion activity meter is integrated in the electric cabinet 15.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims

1. The utility model provides an environment air fluoride detection device which characterized in that: the sampling device comprises a draw-bar box type machine body, wherein a collecting system, a liquid conveying system and a detecting system are arranged in the machine body, the collecting system comprises a sampling pump and a sampling head, an air inlet of the sampling pump is connected with the sampling head through an air pipe, and a gas flowmeter is arranged on the air pipe; the liquid feeding system comprises a plurality of liquid feeding pumps, the machine body is provided with a liquid storage box, each liquid feeding pump is connected with a liquid inlet pipe and a liquid outlet pipe, the liquid inlet pipes extend into the liquid storage box and are respectively detachably connected with a liquid storage bottle, the liquid outlet pipes are connected with liquid outlet needle tubes, and liquid flow meters are arranged on the liquid outlet pipes; the detection system comprises an ion activity meter with a reference electrode and a fluorine ion selective electrode, a detection workbench is arranged at the top of the machine body, an electrode support is arranged on one side of the detection workbench, and the reference electrode and the fluorine ion selective electrode are detachably arranged on the electrode support.

2. The ambient air fluoride detection apparatus of claim 1, wherein: the top of organism is in one side of testing workbench is provided with the hickey, the sampling head and be provided with the connection on the electrode support respectively hickey and threaded rod of hickey, the trachea of sampling pump is connected hickey.

3. The ambient air fluoride detection apparatus of claim 1, wherein: the detection workbench is composed of a concave placing groove, a speed regulating motor is arranged below the placing groove, a magnetic rotor is arranged at the output end of the speed regulating motor, and an ultrasonic transducer is fixedly arranged outside the side wall of the placing groove.

4. The ambient air fluoride detection apparatus of claim 1, wherein: the machine body is provided with an article box, the article box is provided with a box door, an inflatable air bag is arranged on one side of the box door, which faces the interior of the article box, the air bag is connected to the air outlet of the sampling pump through a branch pipe, and the branch pipe is provided with a valve.

5. The ambient air fluoride detection apparatus of claim 4, wherein: the machine body is further provided with an electric cabinet, a control system is arranged in the electric cabinet, the control system is electrically connected with the sampling pump, the liquid feeding pump, the speed regulating motor and the ultrasonic transducer, and the ion activity meter is integrated in the electric cabinet.