CN208505702U - Smoke flue gas sampling device - Google Patents

Smoke flue gas sampling device Download PDF

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Publication number
CN208505702U
CN208505702U CN201820305455.8U CN201820305455U CN208505702U CN 208505702 U CN208505702 U CN 208505702U CN 201820305455 U CN201820305455 U CN 201820305455U CN 208505702 U CN208505702 U CN 208505702U
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CN
China
Prior art keywords
sampling
pipette tips
flue gas
sampling gun
handle
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Expired - Fee Related
Application number
CN201820305455.8U
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Chinese (zh)
Inventor
苏萍
周玉双
代小容
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Sichuan Hongyuan Environmental Detection Technology Consulting Co Ltd
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Sichuan Hongyuan Environmental Detection Technology Consulting Co Ltd
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Priority to CN201820305455.8U priority Critical patent/CN208505702U/en
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Publication of CN208505702U publication Critical patent/CN208505702U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model proposes a kind of smoke flue gas sampling devices, including tester host and sampling gun, the sampling gun includes pipette tips, attachment base, handle and gas-guide tube, further includes the position warning piece of detectable pipette tips angle, and carry out the fixed fixation bracket in position to sampling gun;Pipette tips are led to joint chair and are mounted on handle, and handle passes through gas-guide tube connecting test instrument host;The pipette tips include the smoke dust sampling pipette tips, flue gas sampling pipette tips and water capacity sampling gun head that can be replaced mutually.The smoke dust sampling pipette tips and water capacity sampling gun head of the utility model are equipped with moisture trap, gas and water can be separated, in case moisture influences sample effect;Fore filter filters dust, pumping blockage is avoided, to influence the use of sampling gun.The rifle folder of fixed device is fixed on attachment base, and the upper end of connecting rod is then connected to by spherical hinge, and pedestal is fixed, and by connecting rod lift adjustment height, is adjusted angle by spherical hinge, is facilitated fixation.

Description

Smoke flue gas sampling device
Technical field
The utility model relates to environmental detection set fields, particularly relate to a kind of smoke flue gas sampling device.
Background technique
Smoke dust sampling be power plant boiler discharge, equipment performance test and environmental protection supervision important link, as pass through Smoke dust sampling gun carries out smoke dust sampling.In practical application, the humidity of certain smoke dust in flue is bigger, using traditional non-plus When the smoke dust sampling gun of heat type is sampled, since the internal-external temperature difference of sampling gun is larger, it can be generated in the exhaust tube of sampling gun Condensed water, with sampling when ask growth, the various gases and dust of flue have been mixed into condensed water, has accumulated over a long period and is just being evacuated It is crystallized in pipe, pumping blockage is caused, to influence the use of sampling gun;Further, smoke moisture crosses conference and drenches filter cylinder, samples Filter cylinder chance wet water absorbent will cause sampling resistance and increase blocking or rupture sampling filter cylinder, causes sampling that can not carry out or fail, adopts Sample filter cylinder sticks together with smoke dust sampling head, until sampling filter cylinder original weight is made to change, causes sampled result abnormal, makes cigarette Dirt sampling quality not can guarantee.
Prior art smoke dust sampling gun mostly uses filter cylinder to foretell, and the structure of direct winding screw electric heating tube is to smoke dust sampling gun Filter cylinder heated, since heating tube is directly contacted with flue dust, steam and small angstrom of particle in flue dust can cause heating tube Damage, to protect heating tube, manufacturer coats anti-stick coating in heating tube, to avoiding flue dust to the erosion of heating tube and Make to insulate between heating tube and filter cylinder, still, the anti-stick coating coated in heating tube can heating and thermal insulation effect to heating tube produce Raw certain influence, and coating damageability, insulating properties cannot be guaranteed between heating tube and filter cylinder.
Utility model content
The utility model proposes a kind of smoke flue gas sampling devices, can conveniently and efficiently carry out to different fumes Sample detecting, and facilitate fixed position.
The technical solution of the utility model is achieved in that a kind of smoke flue gas sampling device, including tester host And sampling gun, the sampling gun include pipette tips, attachment base, handle and gas-guide tube, further include the position report of detectable pipette tips angle Alert component, and the fixed fixation bracket in position is carried out to sampling gun;Pipette tips are led to joint chair and are mounted on handle, and handle is by leading Tracheae connecting test instrument host;The pipette tips include the smoke dust sampling pipette tips, flue gas sampling pipette tips and water capacity that can be replaced mutually Sampling gun head is equipped with the air water point for separating gas and liquid between smoke dust sampling pipette tips and water capacity sampling gun head and attachment base From device, the front end of flue gas sampling pipette tips and water capacity sampling gun head is equipped with dismountable fore filter.
The fixed bracket from top to bottom successively includes the connection rifle folder of sampling gun, lockable spherical hinge, liftable Connecting rod and fixable pedestal.
Preferably, the one end of handle close to attachment base is arranged in the position warning piece comprising angular transducer, Display screen, alarm lamp, buzzer and on & off switch.
Preferably, the heating element carried out to fume is additionally provided on the handle, and control heating temperature Heating controller.
Compared with the prior art, the advantages of the utility model are: smoke dust sampling pipette tips and water capacity sampling gun head are equipped with By moisture trap, gas and water can be separated, in case moisture influences sample effect;Fore filter filters dust, avoids making At pumping blockage, to influence the use of sampling gun.The rifle folder of fixed device is fixed on attachment base, then passes through spherical hinge It is connected to the upper end of connecting rod, pedestal is fixed, and by connecting rod lift adjustment height, adjusts angle by spherical hinge, convenient solid It is fixed.Heating element carries out heating and thermal insulation to the gas of sampling as needed, and is controlled by heating controller realization, guarantees to adopt Sample is smoothly and accurate.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
In figure: 1, tester host;2, pipette tips;3, attachment base;4, handle;5, gas-guide tube;6, angular transducer;7, it shows Screen;8, fore filter;9, moisture trap;10, heating element;11, heating controller;12, rifle presss from both sides;13, spherical hinge;14, Connecting rod;15, pedestal.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model It clearly and completely describes, it is clear that described embodiment is only the utility model a part of the embodiment, rather than whole realities Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art institute without creative efforts The every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment: referring to Fig. 1, a kind of smoke flue gas sampling device, including tester host 1 and sampling gun, the sampling Rifle includes pipette tips 2, attachment base 3, handle 4 and gas-guide tube 5, further includes the position warning piece of detectable 2 angle of pipette tips and right Sampling gun carries out the fixed fixation bracket in position;Pipette tips 2 are led to joint chair 3 and are mounted on handle 4, and handle 4 is connected by gas-guide tube 5 Connect tester host 1;The pipette tips 2 include that smoke dust sampling pipette tips 2, flue gas sampling pipette tips 2 and the water capacity that can be replaced mutually are adopted Sample pipette tips 2 are equipped with the gas for separating gas and liquid between smoke dust sampling pipette tips 2 and water capacity sampling gun head 2 and attachment base 3 The front end of separator 9, flue gas sampling pipette tips 2 and water capacity sampling gun head 2 is equipped with dismountable fore filter 8.
The fixed bracket from top to bottom successively includes the rifle folder 12 of connection sampling gun, lockable spherical hinge 13, can rise The connecting rod 14 and fixable pedestal 15 of drop.
Preferably, handle 4 is arranged in close to one end of attachment base 3 in the position warning piece comprising angle sensor Device 6, display screen 7, alarm lamp, buzzer and on & off switch.It is equipped with CPU in angular transducer 6, deviation is preset in CPU Standard preset value is alarm lamp with regard to glittering when angle exceeds deviation standard preset value, and buzzer sounds, and display screen 7 is shown Deviation angle, after prompting the orientation angles of operator's timely correction sampling gun, angle to be less than deviation standard preset value, alarm lamp With buzzer with regard to stop alarm.
Preferably, being additionally provided with the heating element 10 carried out to fume on the handle 4, and control heating temperature Heating controller 11.
Pipette tips 2 include smoke dust sampling pipette tips 2, flue gas sampling pipette tips 2 and the water capacity sampling gun head 2 that can be replaced mutually, root Different pipette tips 2 are installed according to different sample objects, and do not have to a whole set of sampling apparatus of replacement;Smoke dust sampling pipette tips 2 and containing wet It measures sampling gun head 2 to be equipped with moisture trap 9, gas and water can be separated, in case moisture influences sample effect;Gas sampling gun First 2 and water capacity sampling gun head 2 front end be equipped with dismountable fore filter 8, filter dust, avoid pumping pipe plug Plug, to influence the use of sampling gun.
The rifle folder 12 of fixed device is fixed on attachment base 3, is then connected to the upper of connecting rod 14 by spherical hinge 13 End, pedestal 15 is fixed, by 14 lift adjustment height of connecting rod, adjusts angle by spherical hinge 13, facilitates fixation.Heating element 10 carry out heating and thermal insulation to the gas of sampling as needed, and are controlled by the realization of heating controller 11, guarantee that sampling is smooth And it is accurate.
Particulate matter isokinetic sampling's principle: soot sampling tube is put into flue by thieff hatch, sampling mouth is set on measuring point, just To airflow direction, quantitative dusty gas is extracted by isokinetic sampling's requirement, according to the flue dust weight of filter cylinder trapping and extraction Gas volume calculates the concentration of emission and total emission volumn of particulate matter.
The microprocessor TT&C system of sampler, the static pressure detected according to various sensors, dynamic pressure, temperature and amount containing temperature Etc. parameters, calculate flow velocity, the flow value of flue gas, TT&C system is by the flow compared with the flow value that flow sensor detects Compared with calculating corresponding control signal, control circuit adjusts the extraction flow of aspiration pump, samples actual samples flow and setting Flow is equal.Temperature and pressure data by actual samples body and are scaled automatically before the microprocessor flowmeter detected simultaneously Mark condition sampling volume.
Water capacity measuring principle: microprocessor controls sensor measurement, acquisition wet bulb, dry bulb surface temperature and passes through wet The pressure and flue gas static pressure of ball surface find the temperature in conjunction with the atmospheric pressure of input, while according to wet bulb surface temperature automatically Saturation vapor pressure Pbt. under degree is calculated from the formula flue gas amount containing temperature.
Sampling pipe is put into flue by measure of oxygen content, and extraction contains O2Flue gas, be run through O2Electrochemical sensor, Detect O2Concentration, while according to the O detected2Concentration converses air and crosses brush coefficient a.
Constant potentiometric electrolysis measurement, gas sampling gun is put into flue, the flue gas of extraction is dusted, dehydration Pass through SO later2、NO、NO2、CO、CO2、H2S electrochemical sensor, sensor output electric current size under certain condition with SO2、NO、NO2、CO、CO2、H2The concentration of S is directly proportional, so the electric current of measurement sensor output can calculate the instantaneous of flue gas Concentration, while instrument calculates SO according to parameters such as the smoke discharge amounts detected2、NO、NO2、CO、CO2、H2The discharge amount of S, Convert concentration, rate of discharge.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model Protection scope within.

Claims (4)

1. a kind of smoke flue gas sampling device, including tester host and sampling gun, it is characterised in that: the sampling gun includes rifle Head, attachment base, handle and gas-guide tube further include the position warning piece of detectable pipette tips angle, and carry out position to sampling gun Fixed fixation bracket is set, is connected between pipette tips and handle by attachment base, handle passes through gas-guide tube connecting test instrument host;Institute Stating pipette tips includes the smoke dust sampling pipette tips, flue gas sampling pipette tips and water capacity sampling gun head that can be replaced mutually, smoke dust sampling pipette tips It is equipped with the moisture trap that separates gas and liquid between water capacity sampling gun head and attachment base, flue gas sampling pipette tips and contains The front end of moisture sampling gun head is equipped with dismountable fore filter.
2. smoke flue gas sampling device according to claim 1, it is characterised in that: the fixed bracket is from top to bottom successively Rifle folder, lockable spherical hinge, liftable connecting rod and fixable pedestal including connecting sampling gun.
3. smoke flue gas sampling device according to claim 1, it is characterised in that: the position warning piece is arranged in handle Hand is close to one end of attachment base comprising angular transducer, display screen, alarm lamp, buzzer and on & off switch.
4. smoke flue gas sampling device according to claim 1 or 2 or 3, it is characterised in that: be additionally provided on the handle pair The heating element that fume is heated, and the heating controller of control heating temperature.
CN201820305455.8U 2018-03-05 2018-03-05 Smoke flue gas sampling device Expired - Fee Related CN208505702U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820305455.8U CN208505702U (en) 2018-03-05 2018-03-05 Smoke flue gas sampling device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820305455.8U CN208505702U (en) 2018-03-05 2018-03-05 Smoke flue gas sampling device

Publications (1)

Publication Number Publication Date
CN208505702U true CN208505702U (en) 2019-02-15

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113189269A (en) * 2020-12-30 2021-07-30 华南智能机器人创新研究院 Method and system for automatically testing smoke dust
CN113432932A (en) * 2021-06-08 2021-09-24 北京市劳动保护科学研究所 Catering oil smoke pollutant sampling device
CN113551953A (en) * 2021-07-22 2021-10-26 延安大学 Natural gas sampling rapid detection device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113189269A (en) * 2020-12-30 2021-07-30 华南智能机器人创新研究院 Method and system for automatically testing smoke dust
CN113432932A (en) * 2021-06-08 2021-09-24 北京市劳动保护科学研究所 Catering oil smoke pollutant sampling device
CN113551953A (en) * 2021-07-22 2021-10-26 延安大学 Natural gas sampling rapid detection device

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Granted publication date: 20190215

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