CN208420785U - A kind of continuous on-line monitoring equipment of surrounding air fluoride concentration - Google Patents

A kind of continuous on-line monitoring equipment of surrounding air fluoride concentration Download PDF

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Publication number
CN208420785U
CN208420785U CN201821020641.3U CN201821020641U CN208420785U CN 208420785 U CN208420785 U CN 208420785U CN 201821020641 U CN201821020641 U CN 201821020641U CN 208420785 U CN208420785 U CN 208420785U
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solution
bottle
continuous
line monitoring
surrounding air
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Inventor
刘凯
贺强强
史殿龙
李玉滨
范林
孟凡良
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Qingdao Junray Intelligent Instrument Co Ltd
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Qingdao Junray Intelligent Instrument Co Ltd
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Abstract

The utility model proposes a kind of continuous on-line monitoring equipments of surrounding air fluoride concentration, the equipment includes that sequentially connected gas sampling system, fluoride trapping system, solution neutralized system, solution measure system, solution storage transportation system and master control system by the road.Outdoor sample devices, lab analysis equipment and data processing calculating process are integrated in one by the continuous on-line monitoring equipment of the utility model, it can be achieved that automatic, remote online continuously monitors.It need to be only regularly replaced when on-site test with liquid, be not necessarily to human attendance, greatly improve monitoring efficiency, use manpower and material resources sparingly, there is extensive application value.

Description

A kind of continuous on-line monitoring equipment of surrounding air fluoride concentration
Technical field
The utility model belongs to air quality monitoring technical field more particularly to a kind of surrounding air fluoride concentration is continuous On-line monitoring equipment.
Background technique
Fluoride has two kinds of gaseous fluorine and dirt state fluorine in surrounding air, and gaseous fluorine is mainly hydrogen fluoride, as long as fluorine-containing dust Ice crystal, fluorite, aluminum fluoride and phosphorus lime, pollution be mainly derived from the discharge such as electrolytic aluminium factory, phosphate fertilizer plant and ice crystal factory or The gas and dust of loss.People can cause acute poisoning lethal under hydrogen fluoride 400~430mg/m3 concentration, suck for a long time low dense The fluorine of degree and its gas of compound and dust, can influence the normal physiological function of each tissue and organ, or even cause chronic Fluorine poisoning fluorosis of bone, therefore the fluoride pollution in Accurate Determining surrounding air is extremely important.
The monitoring of fluoride concentration relies primarily on filter membrane sampling in surrounding air at present or the method for passive adsorption is received by hand Collect air fluoride, sample is dissolved in the lab then, is extracted, finally by drafting standard curve, comparative analysis It obtains solution fluoride concentration information and is manually converted into the concentration value of fluoride in air, it is time-consuming and laborious;Beam worker before sampling Work, sampling post analysis work are relatively complicated, and a usual week can only sample of acquisition process.
Utility model content
The utility model is for filter membrane filter paper acquisition fluoride and the manual inspection method in laboratory treatment analytical calculation The problem of middle operation cycle is long, time-consuming and laborious, can not continuously monitor the concentration of fluoride in surrounding air, propose it is a kind of will be outdoor Sampling process, laboratory analysis process and data processing calculating process are integrated in one, can automatic, remote online continuously monitor On-line monitoring equipment.
In order to achieve the above object, the technical solution adopted in the utility model are as follows:
A kind of continuous on-line monitoring equipment of surrounding air fluoride concentration, including sequentially connected gas sampling system by the road System, fluoride trapping system, solution neutralized system, solution measurement system, solution storage transportation system and master control system;
The fluoride trapping system includes hydrochloric acid solution impact bottle, the sodium hydroxide solution impact that transtracheal is successively contacted Bottle and retention impact bottle and multiple balanced valves;
The gas sampling system includes TSP cutter, drainage drier and sampler, and surrounding air is by TSP cutter Sample lines are sucked, each impact bottle through perfluoro-compound trapping system is discharged after drainage drier is dry by sampler;
The solution neutralized system includes in solution and bottle, shut-off valve and the diaphragm pump with high efficiency particulate air filter, in solution With PH electrode and liquid level sensor be installed in bottle, hydrochloric acid solution impacts bottle, sodium hydroxide solution impact bottle and retention impact bottle Lower end is connected in solution by liquid pipe and bottle;Clean gas is delivered in solution and bottle by shut-off valve and diaphragm pump;
The solution measurement system includes measuring bottle and fluoride electrode, is connect with measurement bottle by liquid pipe in solution with bottle;
The solution storage transportation system includes hydrochloric acid solution bucket, caustic lye of soda bucket, pure water cylinder, TISAB liquid bucket, titer Bucket and waste liquid barrel, and pump and valve for conveying each liquid in bucket;
The master control system includes controller, memory and GPRS module, and controller controls above-mentioned sampler and all valves With the operation of pump.
Preferably, the hydrochloric acid solution impact bottle, sodium hydroxide solution impact bottle and retention impact bottom of bottle portion are all connected with There is filter.
Preferably, further include temperature control system, the temperature control system includes accommodating fluoride trapping system, in solution and being System, solution measure the cabinet of system, solution storage transportation system, are equipped in cabinet by the electric heating of temperature controller control operation Wind, heating plate and refrigerating plant, and temperature is detected by temperature sensor.
Preferably, the GPRS module includes GPS positioning module.
Preferably, above-mentioned tracheae and liquid pipe are acid and alkali-resistance pipeline.
Preferably, further including wind speed wind direction sensor, atmosphere pressure sensor and environment humidity sensor.
Preferably, being equipped with lithium battery in the cabinet, the master control system includes power failure detection circuit, is powered off suddenly When by lithium battery power supply.
Preferably, the cabinet is made of transparent material.
Preferably, further including the touch screen being electrically connected with the controller, for inputting detection parameters and display testing result.
Compared with prior art, it the advantages of the utility model and has the active effect that
1, the continuous on-line monitoring equipment of surrounding air fluoride concentration by outdoor sample devices, lab analysis equipment and Data processing calculating process is integrated in one, it can be achieved that automatic, remote online continuously monitors.
2, the equipment self-provided liquid bucket, when on-site test, need to only regularly replace with liquid, be not necessarily to human attendance, greatly improve monitoring Working efficiency uses manpower and material resources sparingly, and has extensive application value.
3, it be furnished with temperature control system and circuit breaking protective system, analog laboratory constant-temperature constant-humidity environment overcomes open air Extreme environment influences.
4, using high-precision fluoride electrode, PH electrode and high-accuracy liquid level sensor, guarantee meets measuring accuracy requirement.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model on-line monitoring equipment;
Fig. 2 is the automatically controlled relational graph of the utility model on-line monitoring equipment;
In above each figure: 1, TSP cutter;2, drainage drier;3, sampler;4, hydrochloric acid solution impacts bottle;5, hydrogen-oxygen Change sodium solution and impacts bottle;6, retention impact bottle;7, high efficiency particulate air filter;8, in solution and bottle;9, PH electrode;10, liquid level sensor; 11, bottle is measured;12, fluoride electrode;13, balanced valve;14, diaphragm pump;15, shut-off valve A;16, shut-off valve B;17, hydrochloric acid solution bucket; 18, caustic lye of soda bucket;19, pure water cylinder;20, TISAB liquid bucket;21, titer bucket;22, waste liquid barrel.
Specific embodiment
In order to better understand the utility model, illustrate with reference to the accompanying drawings and examples.
Embodiment one: as shown in Figure 1 and Figure 2, a kind of continuous on-line monitoring equipment of surrounding air fluoride concentration, including warp The sequentially connected gas sampling system of pipeline, fluoride trapping system, solution neutralized system, solution measure system, solution storage Transportation system and master control system, the equipment is by outdoor sampling process, laboratory analysis process and data processing calculating process Be integrated in one, can automatic, remote online continuously monitor the concentration of fluoride in surrounding air.
The gas sampling system includes TSP cutter 1, drainage drier 2 and sampler 3, and surrounding air is cut by TSP Device 1 sucks sample lines, each impact bottle through perfluoro-compound trapping system, by 3 row of sampler after drainage drier 2 is dry Out;
The fluoride trapping system includes two hydrochloric acid solutions impact 4, two hydroxides of bottle that transtracheal is successively contacted Sodium solution impacts bottle 5 and retention impact bottle 6 and multiple balanced valves 13.Hydrochloric acid solution is accommodated in hydrochloric acid solution impact bottle 4, into Tracheae is inserted into hydrochloric acid solution, and escape pipe is located at hydrochloric acid solution impact 4 upper end of bottle.Sodium hydroxide solution, which impacts in bottle 5, to be accommodated There is sodium hydroxide solution, the escape pipe other end insertion hydrochloric acid that air inlet pipe one end transtracheal connects hydrochloric acid solution impact bottle 4 is molten In liquid.Sodium hydroxide solution impact 5 escape pipe of bottle is located at sodium hydroxide solution impact 5 upper end of bottle, escape pipe transtracheal connection To the air inlet pipe of retention impact bottle 6.The drop that air-flow carries is fallen into uphill process in retention impact bottle 6, and gas, which flows through, to be cut It is discharged after staying impact bottle 6 through escape pipe.It is equipped with balanced valve 13 between above-mentioned each impact bottle, for gas in balance-impact bottle Pressure.The hydrochloric acid solution for absorbing dirt fluorine and the perfluorinated object trapping system of gas fluorine and sodium hydroxide solution in air absorb, each to rush Bottle series connection is hit, fluoride can be fully absorbed, ensure the accuracy of detected value.
The hydrochloric acid solution impact bottle 4, sodium hydroxide solution impact bottle 5 and retention impact 6 bottom of bottle are respectively connected with efficiently Filter 7,7 lower end of high efficiency particulate air filter is connected in solution by liquid pipe and bottle 8, the liquid after sampling in each impact bottle Solution neutralized system is delivered to by pump, high efficiency particulate air filter 7 can block the particulate matter in air to enter solution neutralized system, keep away Exempt to influence testing result.
The solution neutralized system includes in solution and bottle 8, shut-off valve and the diaphragm pump 14 with high efficiency particulate air filter 7, molten The PH electrode 9 and liquid level sensor 10 of detection liquid pH value, PH electrode 9 and liquid level sensor 10 are installed in liquid and in bottle 8 Output end be electrically connected with the input terminal of controller;14 inlet side of diaphragm pump connects high efficiency particulate air filter 7, outlet parallel connection shut-off valve A15 and shut-off valve B16, shut-off valve A15 are connected to measurement 11 bottom of bottle by the road, and shut-off valve B16 transtracheal is connected to solution Neutralize 8 bottom of bottle.The pH value of liquid, and will test value and is delivered to controller in 9 real-time detection solution of PH electrode and in bottle 8, Controller controls solution storage transportation system and conveys quantitative hydrochloric acid solution and sodium hydroxide solution into solution and in bottle 8, is used for Adjust pH value.When adjusting pH value, shut-off valve A15 is closed, and shut-off valve B16 is opened, and diaphragm pump 14 is defeated by filtered clean gas It send into solution and bottle 8, quickening neutralization reaction, up to pH value adjustment to 5.5.In 10 real-time detection solution of liquid level sensor and bottle Interior liquid level, and liquid level information is transmitted to controller, controller control syringe pump is out of pure water cylinder after PH is adjusted Pure water is injected, liquid level is made to reach setting value, completes constant volume.Above-mentioned diaphragm pump 14 using Wuhan it is excellent it is vertical can DA50EEDC type, PH electricity Pole 9 uses Hangzhou U.S. control PH/ORP4.0 type, is market purchase.
The solution measurement system includes the fluoride electrode 12 measured in bottle 11 and insertion measurement bottle 11, measures bottle 11 and solution Bottle 8 is neutralized by liquid pipe and pump connection, in solution and in bottle 8 liquid PH adjust and constant volume after, controller control pump is defeated by liquid It send to solution and measures bottle 11, fluoride electrode 12 carries out fluorinion concentration detection to liquid, and measurement result is delivered to controller.
The solution storage transportation system includes hydrochloric acid solution bucket 17, caustic lye of soda bucket 18, pure water cylinder 19, TISAB liquid bucket 20, titer bucket 21 and waste liquid barrel 22, and for conveying note of each liquid in bucket into solution and in bottle 8 and measurement bottle 11 Pump and valve are penetrated, each bucket is provided with corresponding liquid, can transport by pump and liquid pipe to above-mentioned each system.When primary sampling and fluorine Ion concentration detect after, the waste liquid after measurement be delivered to waste liquid barrel 22 storage, pure water be delivered in each solution system into Row cleaning is prepared for next sampling determination work.
Pipeline in above system, including tracheae and liquid pipe are all made of acid and alkali-resistance pipeline, and pvc pipe can be used or inner wall applies Cover the pipeline of polytetrafluoroethylene (PTFE), long service life.
The master control system includes controller, memory and GPRS module, and controller controls above-mentioned sampler 3 and all valves With the operation of pump, and the detection signal of PH motor and fluoride electrode 12 is received, controller chip model STM32 F407.Controller Fluoride electrode 12 and sample information are stored in memory and by GPRS module and are wirelessly transmitted to monitoring station.The GPRS module Including GPS positioning module, the sampling location of on-line monitoring equipment can be positioned.
Due to monitoring the difference in place and time, which may use at high temperature, it is also possible to It is used under ice condition, to ensure normal detection, which is additionally provided with temperature control system.The temperature control system includes accommodating fluorination Object trapping system, solution neutralized system, solution measure the cabinet of system, solution storage transportation system, are equipped in cabinet by temperature Electric hot-air, heating plate and the refrigerating plant of controller control operation are spent, and temperature is detected by temperature sensor.Work as temperature sensor When measuring temperature is higher than setting value Th, refrigerating plant starting refrigeration prevents liquid liquid in bucket under high temperature from largely evaporating.Refrigerating plant It is repeated no more using existing air-conditioning or refrigeration for refrigerator technology, specific structure, Aspen- when Shenzhen is extremely insulted can be used in compressor Q924 minisize dc frequency-changeable compressor, Aspen-1924 minisize dc frequency-changeable compressor or Coolingstyle-1924 are miniature straight Flow frequency-changeable compressor.When temperature is lower than 0 degree, electric hot-air and heating plate starting make case body temperature reach setting value T0, prevent It freezes in liquid bucket and each container, influences normally to detect.Equipment inner case in order to facilitate observation of, the cabinet are transparent material system At plastics or tempered glass material, the present embodiment can be selected to be made of PC.
For overall monitor sampling condition, which further includes wind speed wind direction sensor, atmosphere pressure sensor and environment Temperature Humidity Sensor, the sensor are electrically connected with the input terminal of controller, can real-time detection by wind speed wind direction sensor Local wind direction and wind speed, atmosphere pressure sensor and environment humidity sensor detect the atmospheric pressure and temperature of sampling position respectively Humidity.The sensor is that market is purchased, and structure and principle are not repeating.
On-line monitoring equipment is directly connected to power using attaching plug with socket, while being provided with circuit breaking protective system.It is disconnected Electric protection system include be mounted on the intracorporal lithium battery of case, the master control system includes power failure detection circuit, suddenly power-off when by Lithium battery power supply.Once detecting that there is a situation where power off, be switched to lithium battery power supply and empty each system in sampling process Solution in system and pipeline generates icing phenomenon in bottle body or pipeline after preventing temperature control system from powering off, shields.
For convenient for input detection parameters and display testing result, which, which is additionally provided with, is electrically connected with the controller Touch screen.
The continuous on-line monitoring equipment of surrounding air fluoride concentration described in the present embodiment is by outdoor sample devices, laboratory Analytical equipment and data processing calculating process are integrated in one, it can be achieved that automatic, remote online continuously monitors.The equipment is provided for oneself Liquid bucket, when on-site test, need to only regularly replace with liquid, are not necessarily to human attendance, greatly improve monitoring efficiency, save manpower object Power has extensive application value.Equipped with temperature control system and circuit breaking protective system, analog laboratory constant temperature is permanent Wet environment overcomes outdoor extreme environment to influence.Using high-precision fluoride electrode 12, PH electrode 9 and high-accuracy liquid level sensor 10, Guarantee meets measuring accuracy requirement.
Embodiment two: a kind of continuous on-line monitoring method of surrounding air fluoride concentration based on embodiment one, including with Lower step:
(1) controller control sampler 3 starts, and surrounding air enters sample lines by TSP cutter 1;
(2) gas after TSP cutter 1 removes particulate matter is followed by hydrochloric acid solution, sodium hydroxide solution and throttling Bottle is impacted, is filtered to remove moisture through drainage drier 2 after this, sampled device 3 is discharged;
(3) liquid is conveyed with pump after filtering in the hydrochloric acid solution in step 2, sodium hydroxide solution and throttling impact bottle Into solution and bottle 8;
(4) liquid pH value and it will test value in 9 real-time detection solution of PH electrode and in bottle 8 and be transmitted to controller, solution storage Deposit syringe pump in transportation system suitable hydrochloric acid solution is added according to pH value and sodium hydroxide solution adjust liquid pH value to 5.5, constant volume.Diaphragm pump 14 is used into solution in PH adjustment process and conveys clean gas in bottle 8, to accelerate solution mixing speed Degree.
(5) liquid is delivered to measurement bottle 11 in solution and in bottle 8, detects fluorinion concentration in solution using fluoride electrode 12.
(6) it is dense according to 3 sample gas volume of sampler and fluorinion concentration surrounding air fluoride to be calculated in controller Degree.
(7) surrounding air fluoride concentration and other detection datas are delivered to monitoring station through GPRS wireless transport module.
Outdoor sampling process, lab analysis are realized using the continuous on-line monitoring method of surrounding air fluoride concentration Process and the integration of data processing calculating process, automation and intelligence, data can upload integrated data to monitoring automatically Data platform is a kind of continuous on-line monitoring method, effectively reduces the complexity of fluoride concentration monitoring.Use the party Method can realize each monitoring point networking layout, can carry out more monitoring points while sample, global analysis variation tendency.
The above descriptions are merely preferred embodiments of the present invention, is not to make other forms to the utility model Limitation, any person skilled in the art is changed or is modified as possibly also with the technology contents of the disclosure above equivalent The equivalent embodiment of variation is applied to other fields, but all without departing from the content of the technical scheme of the utility model, according to this reality With novel technical spirit any simple modification, equivalent variations and remodeling to the above embodiments, it is practical new to still fall within this The protection scope of type technical solution.

Claims (9)

1. a kind of continuous on-line monitoring equipment of surrounding air fluoride concentration, it is characterised in that: including sequentially connected by the road Gas sampling system, fluoride trapping system, solution neutralized system, solution measure system, solution storage transportation system, Yi Jizhu Control system;
The fluoride trapping system includes multiple balanced valves and hydrochloric acid solution impact bottle, sodium hydroxide that transtracheal is successively contacted Fluid challenge bottle and retention impact bottle;
The gas sampling system includes that TSP cutter, drainage drier and sampler, surrounding air are sucked by TSP cutter Sample lines flow through each impact bottle of fluoride trapping system, are discharged after drainage drier is dry by sampler;
The solution neutralized system includes in solution and bottle, shut-off valve and the diaphragm pump with high efficiency particulate air filter, in solution and bottle PH electrode and liquid level sensor are inside installed, hydrochloric acid solution impacts bottle, sodium hydroxide solution impact bottle and retention impact bottle lower end It is connected in solution by liquid pipe and bottle;Clean gas is delivered in solution and bottle by shut-off valve and diaphragm pump;
The solution measurement system includes measuring bottle and fluoride electrode, is connect with measurement bottle by liquid pipe in solution with bottle;
The solution storage transportation system include hydrochloric acid solution bucket, caustic lye of soda bucket, pure water cylinder, TISAB liquid bucket, titer bucket with And waste liquid barrel, and pump and valve for conveying each liquid in bucket;
The master control system includes controller, memory and GPRS module, and controller controls above-mentioned sampler and all valves and pump Operation.
2. the continuous on-line monitoring equipment of surrounding air fluoride concentration according to claim 1, it is characterised in that: the salt Acid solution impact bottle, sodium hydroxide solution impact bottle and retention impact bottom of bottle portion are respectively connected with filter.
3. the continuous on-line monitoring equipment of surrounding air fluoride concentration according to claim 1, it is characterised in that: further include Temperature control system, the temperature control system include accommodating fluoride trapping system, solution neutralized system, solution measurement system, solution storage The cabinet of transportation system is deposited, is equipped in cabinet by electric hot-air, heating plate and the refrigerating plant of temperature controller control operation, and Temperature is detected by temperature sensor.
4. the continuous on-line monitoring equipment of surrounding air fluoride concentration according to claim 3, it is characterised in that: described GPRS module includes GPS positioning module.
5. the continuous on-line monitoring equipment of surrounding air fluoride concentration according to claim 4, it is characterised in that: above-mentioned pipe Road is acid and alkali-resistance pipeline.
6. the continuous on-line monitoring equipment of surrounding air fluoride concentration according to claim 1, it is characterised in that: further include Wind speed wind direction sensor, atmosphere pressure sensor and environment humidity sensor.
7. the continuous on-line monitoring equipment of surrounding air fluoride concentration according to claim 3, it is characterised in that: the case Lithium battery is installed in vivo, the master control system includes power failure detection circuit, suddenly by lithium battery power supply when power-off.
8. the continuous on-line monitoring equipment of surrounding air fluoride concentration according to claim 3, it is characterised in that: the case Body is made of transparent material.
9. the continuous on-line monitoring equipment of surrounding air fluoride concentration according to claim 3, it is characterised in that: further include The touch screen being electrically connected with the controller, for inputting detection parameters and display testing result.
CN201821020641.3U 2018-06-29 2018-06-29 A kind of continuous on-line monitoring equipment of surrounding air fluoride concentration Active CN208420785U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108535341A (en) * 2018-06-29 2018-09-14 青岛众瑞智能仪器有限公司 A kind of continuous on-line monitoring equipment of surrounding air fluoride concentration and method
CN110187053A (en) * 2019-05-07 2019-08-30 重庆市璧山区富源塑料有限公司 A kind of environmental protection industrial wasted nickel catalyst and warning device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108535341A (en) * 2018-06-29 2018-09-14 青岛众瑞智能仪器有限公司 A kind of continuous on-line monitoring equipment of surrounding air fluoride concentration and method
CN110187053A (en) * 2019-05-07 2019-08-30 重庆市璧山区富源塑料有限公司 A kind of environmental protection industrial wasted nickel catalyst and warning device

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Address after: 266000 No. 1, Yueyang Road, Chengyang District, Qingdao City, Shandong

Patentee after: Qingdao Zhongrui Intelligent Instrument Co.,Ltd.

Address before: 266000 No. 1, Yueyang Road, Chengyang District, Qingdao City, Shandong

Patentee before: QINGDAO ZHONGRUI INTELLIGENT INSTRUMENT Co.,Ltd.