CN105588777A - Device and method for simultaneously testing PM2.5 and coagulated particulate matters discharged by fixing source - Google Patents
Device and method for simultaneously testing PM2.5 and coagulated particulate matters discharged by fixing source Download PDFInfo
- Publication number
- CN105588777A CN105588777A CN201610116021.9A CN201610116021A CN105588777A CN 105588777 A CN105588777 A CN 105588777A CN 201610116021 A CN201610116021 A CN 201610116021A CN 105588777 A CN105588777 A CN 105588777A
- Authority
- CN
- China
- Prior art keywords
- surge flask
- sampling
- particle
- condensable
- flue gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/02—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by absorbing or adsorbing components of a material and determining change of weight of the adsorbent, e.g. determining moisture content
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to a device and a method for simultaneously testing PM2.5 and coagulated particulate matters discharged by a fixing source. The prior art is short of the device and the method for simultaneously testing PM2.5 and coagulated particulate matters in the smoke discharged by the fixing source. The device comprises a smoke sampling part, a PM2.5 collecting part and a coagulated particulate matter collecting part, wherein a sampling head, a sampling gun, a multi-level striker, a condenser pipe, a first surge flask, a second surge flask, a filter, a third surge flask, a fourth surge flask and a sampling pump are serially connected and formed into a detecting pipeline; the multi-level striker is arranged in a heating chamber; a circulating water pump, the first surge flask and the second surge flask are arranged in a first cooling pond; the third surge flask and the fourth surge flask are arranged in a second cooling pond. The pollutant discharging state of the fixing source is judged by analyzing the smoke component, so that the basis is supplied for the discharging control of the fixing source, the discharging of the fixing source is kept at lower level and the device is beneficial to environmental protection.
Description
Technical field
The present invention relates to stationary source smoke test field, relate to especially a kind of PM2.5 of stationary source discharge and device and method of condensable particle simultaneously measured.
Background technology
Along with economic development and Public environmental attitude improve, the granular material discharged environmental pollution causing has been subject to great attention. New ambient air quality " GB3095-2012 " promulgated and implemented in full in 2016 in 2012, wherein clear and definite particle is monitored and controlled. Stationary source is the important source of particle in surrounding air. Than uncontrollable discharge source, trap and control more effective to the particle of stationary source discharge.
The primary particulate of stationary source discharge can be divided into can filtration of particulate matters (Filterableparticulatematter, FPM) and condensable particle (Condensableparticulatematter, CPM). Under flue temperature situation, can filtration of particulate matters (FPM) be to exist with solid-state or liquid form, can trap by ram or filter membrane. Wherein, PM2.5 is the particle that aerodynamic diameter is less than 2.5 μ m. There are some researches show, PM2.5 is the main carriers of pollutant that mankind's activity discharges, and carries a large amount of heavy metals and organic pollution, very big to human health risk, and its control be can not be ignored.
Condensable particle (CPM) exists with gaseous state or steam-like form in flue, leaving can lower the temperature after flue at ambient temperature within the several seconds condense into liquid or solid-state. In sampled measurements process, the filter medium that CPM can use through the conventional particles thing method of sampling, cannot be captured and measure. And according to external correlative study, take coal-burning power plant as example, the CPM of its discharge with FPM mass concentration in the identical or close order of magnitude. CPM belongs to fine particle, and its contribution to pellet in surrounding air is considerable.
Measuring is accurately the prerequisite of controlling. China's existing stationary source particle testing standard (GB/T16157-1996) for to as if flue gas in total flue dust, there is no the assay method for PM2.5; Meanwhile, there is no the national standard of condensable particle test. There are independent PM2.5 or condensable particle method of testing or standard abroad. According to the characteristic of FPM and CPM, the present invention proposes a kind of device and corresponding method of testing of simultaneously measuring stationary source discharge PM2.5 and condensable particle.
Summary of the invention
In order to solve the deficiencies in the prior art, the invention provides a kind of PM2.5 of stationary source discharge and device and method of condensable particle simultaneously tested, for the PM2.5 and the condensable particle that gather stationary source discharge are effectively measured, for flue gas research provides relevant parameter.
A kind of PM2.5 of stationary source discharge and device of condensable particle simultaneously tested, comprise smoke dust sampling parts, PM2.5 collecting part and condensable particle collecting part, described smoke dust sampling parts comprise sampling head, sampling gun, sampling pump, described PM2.5 collecting part comprises heating clamber, multistage ram, and described condensable particle collecting part comprises condenser pipe, mates the water circulating pump, the first cooling bay, the second cooling bay, the first surge flask, the second surge flask, filter, the 3rd surge flask, the 4th surge flask that arrange with described condenser pipe; Contact successively described sampling head, sampling gun, described multistage ram, condenser pipe, the first surge flask, the second surge flask, filter, the 3rd surge flask, the 4th surge flask and described sampling pump forms signal piping, described multistage ram is arranged in described heating clamber, described water circulating pump, the first surge flask, the second surge flask are positioned in the first cooling bay, and described the 3rd surge flask, the 4th surge flask are positioned in the second cooling bay. Go deep into the former flue gas of collecting test in flue by smoke dust sampling parts; the test gathering is passed through to PM2.5 collecting part and condensable particle collecting part successively with former flue gas; realize the data acquisition of PM2.5 and condensable particle; by fume component analysis being judged to the state of fixed source pollution discharge; and then provide foundation for the emission control of stationary source; the discharge of guaranteeing stationary source maintains reduced levels, is beneficial to environmental protection. Sampling gun stretches into flue by sampling head and collects the former flue gas of test, and under sampling gun and heating clamber effect, make the former flue gas of test maintain in preset temperature range, to implement PM2.5 collection, condenser pipe, the first surge flask, the second surge flask, the 3rd surge flask are implemented cooling to the flue gas that flows out multistage ram successively, make the gas in flue gas condense into particulate matter, and collected by the 4th surge flask, obtain the data of condensable particle in flue gas by measuring the composition of solid matter in each surge flask and quality.
As preferably, described sampling gun is jacket type structure, comprises inner core, urceolus, heating part, and described inner core is quartz glass material, urceolus is stainless steel, and humiture analyzer and the Pitot tube arranged along described inner core axially parallel are set between described inner core and urceolus. Quartz glass has extremely low thermal coefficient of expansion; high temperature tolerance; fabulous chemical stability; good electrical insulating property, low and stable ultrasonic delay performance, best saturating ultraviolet spectra performance and thoroughly visible ray and near infrared spectrum performance; and there is a mechanical performance higher than simple glass; can effectively adapt to former fume high-temperature for sampling gun build-in test, the easy characteristic of reaction, urceolus plays the effect of protection inner core, humiture analyzer and Pitot tube, prevents that sampling gun from damaging because of external force. Humiture analyzer is for obtaining temperature parameter and the humidity parameter of the former flue gas of test, and Pitot tube is for testing the flow velocity of flue gas, and Pitot tube and inner core axis be arranged in parallel, and then obtain flue gas flow information accurately.
As preferably, described multistage ram is tertiary structure, arrange and trap particle along flue gas flow direction in signal piping, the aerodynamic diameter scope of three-stage trapping particle is followed successively by: be more than or equal to 10 μ m particle, be less than 10 μ m and be more than or equal to 2.5 μ m particle, be less than 2.5 μ m and be more than or equal to the particle of 1.0 μ m, flow in described condenser pipe by the flue gas after multistage ram. the PM2.5 parameter of multistage ram for collecting flue gas, the flue gas that contains various grade solid particles is successively by three grades of rams, and along with the mesh diameter on rams at different levels changes and dammed, first test clashes into diaphragm through the first order with former flue gas, effectively elimination is more than or equal to the particle of 10 μ m, secondly clash into diaphragm through the second level, effective elimination is less than 10 μ m and is more than or equal to the particle of 2.5 μ m, clash into diaphragm finally by crossing the third level, effective elimination is less than 2.5 μ m and is more than or equal to the particle of 1.0 μ m, obtain flue gas PM2.5 parameter by measuring the particle damming on third level shock diaphragm, in addition, obtain flue gas PM10 parameter by measuring the particle damming on the shock diaphragm of the second level. the particle that aerodynamic diameter is less than 1.0 μ m cannot be knocked device trapping, can enter follow-up condensable particle collecting part.
As preferably, between described inner core and multistage ram, be provided with tube connector, the test of flowing out from inner core has high temperature with former flue gas, make tube connector must there is high temperature resistant, corrosion resistant feature, the material of tube connector is Kynoar, can effectively guarantee the former smoke chemistry composition self-consistentency for test of high temperature, guarantee measuring accuracy.
As preferably, the heating-up temperature scope of described sampling gun is 120 DEG C-140 DEG C; The heating-up temperature scope of described heating clamber is 120 DEG C-140 DEG C; Quartz glass tube between described heating clamber and condenser pipe is equipped with heating jacket outward, and the heating-up temperature scope of described heating jacket is 120 DEG C-140 DEG C. Guarantee that by the heating-up temperature of setting on sampling gun, heating clamber and heating jacket the former flue gas of test passes through three grades of rams with preset temperature, and then the content of PM2.5 under simulation normality flue-gas temperature, prevent because variations in temperature causes coagulation increase and decrease, and then affect test parameter accuracy.
As preferably, described the first cooling bay comprises a thermostatic assembly, makes the medium temperature in the first cooling bay maintain 29 DEG C-31 DEG C, and described the second cooling bay comprises a thermostatic assembly, makes the medium temperature in the second cooling bay maintain 0 DEG C-1 DEG C. The first cooling bay and the second cooling bay play cooling effect to flue gas, make the condensable substances of gaseous state in flue gas condense into solid granular, and then are convenient to each surge flask collection; The temperature of the thermostatic assembly setting in the first cooling bay and the second cooling bay has the temperature difference, and the temperature of the first thermostatic assembly is higher than the temperature of the second thermostatic assembly, guarantee to be progressively cooled to default condensation temperature by the flue gas after condenser pipe, effectively improve the collecting efficiency of condensable particle.
As preferably, described the first surge flask and the second surge flask are empty bottle, being convenient to flue gas flows into and carries out exchange heat by the medium in bottle wall and the first cooling bay, the air inlet pipe bottom of the first surge flask is positioned at bottle top, because the flue gas in condenser pipe forms condensed water because of cooling, at the bottom of condensed water can flow into the first surge flask and accumulates in bottle, the air inlet pipe bottom of the first surge flask is positioned at bottle top, effectively prevent from submerging and flue gas being implemented in condensed water the situation of gas washing because of air inlet pipe, by reduce flue gas and condensed water contact prevent from test result being exerted an influence in condensed water because of some gas dissolution, for example sulfur dioxide gas is known from experience along with tail gas is arranged outward, after flue gas is washed in condensed water, sulfur dioxide can be dissolved in condensed water and form sulfur trioxide, and then increase the weight of condensable particle, affect test result. in addition, the condensable particle that flue gas is formed through condenser pipe can be deposited on bottle body bottom, effectively prevents that the flue gas that enters the first surge flask from air inlet pipe from blowing afloat the condensable particle at the bottom of accumulating in bottle, the air inlet pipe bottom of the second surge flask is positioned at bottle body bottom, make the flue gas that enters the second surge flask from bottle body bottom is flowed through whole bottle, to enter the 3rd surge flask by conduit again, improve exchange heat efficiency by increasing flue gas and surge flask bottle wall contact area, and then improve the cooling effect of the first cooling bay to flue gas.
As preferably, described the 3rd surge flask is empty bottle, its air inlet pipe bottom is positioned at bottle body bottom, improve exchange heat efficiency by increasing flue gas and surge flask bottle wall contact area, and then improve the cooling effect of the second cooling bay to flue gas, and the 4th surge flask is equipped with discolour silica gel, and the air inlet pipe bottom of the 4th surge flask is plugged in described discolour silica gel, discolour silica gel can adsorb the condensable particle in the flue gas importing from the 4th surge flask air inlet pipe, the condensable particle damming in flue gas with this.
As preferably, in described filter, establish glass fiber filter or quartz filter, and filter membrane is not less than 99% to the efficiency of holding back of 0.3 μ m standard particle. Dam and be greater than the condensable particle of 0.3 μ m in flue gas by filter, tackle the condensable particle in Measurement accuracy flue gas by multilayer.
Use said apparatus to test the PM2.5 of stationary source discharge and the method for condensable particle simultaneously, said method comprising the steps of:
Step 1: the preparatory stage, use successively deionized water, acetone, n-hexane rinse sampling head, inner core, tube connector, multistage ram, condenser pipe, the first surge flask, the second surge flask, filter, the 3rd surge flask before sampling, and dry; In multistage ram, put into the collection diaphragm that constant weight is crossed; In in filter, put into the filter membrane that constant weight is crossed; Pour cold water into the first cooling bay, and 29 DEG C-31 DEG C of constant temperature are set; Put into mixture of ice and water to the second cooling bay, and 0 DEG C-1 DEG C of constant temperature is set;
Step 2: sampling head is chosen, takes off sampling head, and seals inner core, and sampling gun is positioned over to flue inside, and the malleation test port that Pitot tube is just carrying out flow path direction to flue gas by it is tested flue gas flow rate; By humiture analyzer test gas humiture; In conjunction with flue gas flow rate, temperature, humidity, select the suitable sampling head of bore;
Step 3: sample phase, connect whole sampling apparatus, sampling gun is placed in flue, and makes sampling head just to carrying out flow path direction, and start sampling pump, by setting the former flue gas of sampling time collecting test; Reach after the sampling time of setting, close sampling pump, and record sampling volume, use High Purity Nitrogen to purge condenser pipe and subsequent sample lines, continue 30-45 minute; Test is 50 DEG C-200 DEG C by former flue-gas temperature.
Step 4: sampling post processing, carefully take off the diaphragms at different levels of multistage ram, after constant weight, record diaphragms weightening finishes at different levels, wherein the 3rd utmost point diaphragm weightening finish is the PM2.5 particle quality collecting; Use solvent clean condenser pipe, the first surge flask, the second surge flask, collect cleaning fluid, dry rear remnant is the Part I of condensable particle; Filter membrane in de-entrainment filter, the Part II that dry rear weightening finish is condensable particle; Obtain condensable particle quality in conjunction with Part I and Part II weight.
Step 5: result is calculated, in conjunction with sampling volume, PM2.5 particle quality, condensable particle quality, the mass concentration of PM2.5 and condensable particle in acquisition flue gas.
Outstanding beneficial effect of the present invention: go deep into the former flue gas of collecting test in flue by smoke dust sampling parts; the test gathering is passed through to PM2.5 collecting part and condensable particle collecting part successively with former flue gas; realize the data acquisition of PM2.5 and condensable particle; by fume component analysis being judged to the state of fixed source pollution discharge; and then provide foundation for the emission control of stationary source; the discharge of guaranteeing stationary source maintains reduced levels, is beneficial to environmental protection.
Brief description of the drawings
Fig. 1 structural representation of the present invention;
Fig. 2 is the sampling gun structural representation that sampling head is housed;
In figure: 1, sampling head, 2, sampling gun, 3, tube connector, 4, heating clamber, 5, multistage ram, 6, heating jacket, 7, condenser pipe, 8, water circulating pump, 9, the first surge flask, 10, the second surge flask, 11, filter, 12, the 3rd surge flask, 13, the 4th surge flask, 14, sampling pump, 15, the first cooling bay, 16, the second cooling bay, 17, inner core, 18, urceolus, 19, humiture analyzer, 20, Pitot tube.
Detailed description of the invention
Below in conjunction with specification drawings and specific embodiments, substantive distinguishing features of the present invention is further described.
A kind of PM2.5 of stationary source discharge and device of condensable particle simultaneously tested as shown in Figure 1, by smoke dust sampling parts, PM2.5 collecting part and condensable particle collecting part composition, described smoke dust sampling parts comprise sampling head 1, sampling gun 2, sampling pump 14, described PM2.5 collecting part comprises heating clamber 4, multistage ram 5, described condensable particle collecting part comprises condenser pipe 7, mate the water circulating pump 8 arranging with described condenser pipe, the first cooling bay 15, the second cooling bay 16, the first surge flask 9, the second surge flask 10, filter 11, the 3rd surge flask 12, the 4th surge flask 15, contact successively described sampling head 1, sampling gun 2, described multistage ram 5, condenser pipe 7, the first surge flask 9, the second surge flask 10, filter 11, the 3rd surge flask 12, the 4th surge flask 13 and described sampling pump 14 forms signal piping, described multistage ram 5 is arranged in described heating clamber 4, described water circulating pump 8, the first surge flask 9, the second surge flask 10 are positioned in the first cooling bay 15, and described the 3rd surge flask 12, the 4th surge flask 13 are positioned in the second cooling bay 16. sampling head 1 is arranged on sampling gun one end (as shown in Figure 2), and the other end of sampling gun leads to by tube connector and multistage ram 5.
In use, realize by the following method operation:
Step 1: preparatory stage, before sampling, use successively deionized water, acetone, n-hexane rinse sampling head 1, inner core 17, tube connector 3, multistage ram 5, condenser pipe 7, the first surge flask 9, the second surge flask 10, filter 11, the 3rd surge flask 12, and dry; In multistage ram 5, put into the collection diaphragm that constant weight is crossed; In filter interior 11, put into the filter membrane that constant weight is crossed; Pour cold water into the first cooling bay 15, and 29 DEG C-31 DEG C of constant temperature are set; Put into mixture of ice and water to the second cooling bay 16, and 0 DEG C-1 DEG C of constant temperature is set; In the time of operation, use successively deionized water, acetone, n-hexane rinse sampling head 1, sampling gun inner core 17, connector 3, multistage ram 5, condenser pipe 7, the first surge flask 9, the second surge flask 10, filter 11, the 3rd surge flask 12, remove the organic and inorganic impurity in sample unit and sample gas passage;
Step 2: sampling head is chosen, takes off sampling head 1, and seals inner core 17, and sampling gun 2 is positioned over to flue inside, and the malleation test port that Pitot tube 20 is just carrying out flow path direction to flue gas by it is tested flue gas flow rate; By humiture analyzer 19 test gas humitures; In conjunction with flue gas flow rate, temperature, humidity, select the suitable sampling head 1 of bore;
Step 3: sample phase, connect whole sampling apparatus, sampling gun 2 is placed in flue, and makes sampling head 1 just to carrying out flow path direction, and start sampling pump 14, by setting the former flue gas of sampling time collecting test; Reach after the sampling time of setting, close sampling pump 14, and record sampling volume, use High Purity Nitrogen to purge condenser pipe 7 and subsequent sample lines, continue 30-45 minute; Test is 50 DEG C-200 DEG C by former flue-gas temperature; In sampling process, observe the 3rd surge flask 12 and the 4th surge flask 13, if the 3rd surge flask 12 condensed waters are too much, need change, if the complete variable color of the interior silica gel of the 4th surge flask 13 need be changed;
Step 4: sampling post processing, carefully take off the diaphragms at different levels of multistage ram 5, after constant weight, record diaphragms weightening finishes at different levels, wherein the 3rd utmost point diaphragm weightening finish is the PM2.5 particle quality collecting; Use solvent clean condenser pipe 7, the first surge flask 9, the second surge flask 10, collect cleaning fluid, dry rear remnant is the Part I of condensable particle; Filter membrane in de-entrainment filter 11, the Part II that dry rear weightening finish is condensable particle; Obtain condensable particle quality in conjunction with Part I and Part II weight; In the time processing, carefully take off the diaphragms at different levels of multistage ram 5, after constant weight, record diaphragm weightening finishes at different levels, wherein the 3rd utmost point diaphragm weightening finish is the PM2.5 particle quality collecting; Use successively deionized water, acetone, n-hexane to clean condenser pipe 7, the first surge flask 9, the second surge flask 10, collect respectively all cleaning fluids, dry rear remnant is a part for condensable particle; Filter membrane in de-entrainment filter 11, another part that dry rear weightening finish is condensable particle; In conjunction with sampling volume, PM2.5 particle quality, condensable particle quality, can calculate the mass concentration of PM2.5 and condensable particle in flue gas; Meanwhile, if needed, can also analyze respectively mensuration to the organic component of condensable particle, inorganic component;
Step 5: result is calculated, in conjunction with sampling volume, PM2.5 particle quality, condensable particle quality, the mass concentration of PM2.5 and condensable particle in acquisition flue gas; Condensable particle quality comprises in each surge flask solid weight on solid weight and filter;
Realize PM2.5 and the condensable particle Simultaneous Determination of stationary source discharge by above-mentioned steps.
In practical operation, the thermostatic assembly corresponding with the first cooling bay guarantees that cooling in described the first cooling bay maintains between 29 DEG C-31 DEG C all the time with medium, and preferred version is for maintaining 30 DEG C; The thermostatic assembly corresponding with the second cooling bay guarantees that cooling in described the second cooling bay maintains 0 DEG C-1 DEG C all the time with medium, and preferred version is for maintaining 0 DEG C; The temperature of the first cooling bay and the second cooling bay is set by step, has both played the effect that progressively reduces flue-gas temperature, also make the condensable particle in flue gas condense in batches, gather, effectively improve collecting efficiency and accuracy of measurement.
In practical operation, take off sampling head, and seal sampling gun inner core 17, sampling gun 2 is positioned over to flue inside, guarantee that Pitot tube 20 malleation test ports are just to carrying out flow path direction, test flue gas flow rate; By humiture analyzer 19 test gas humitures; In conjunction with flue gas flow rate, temperature, humidity, select the suitable sampling head of bore.
In practical operation, described sampling gun 2 is jacket type structure, comprises inner core 17, urceolus 18, heating part, and described inner core 17 is quartz glass material, urceolus 18 is stainless steel, and humiture analyzer 19 and the Pitot tube 20 arranged along described inner core axially parallel are set between described inner core and urceolus.
In practical operation, described multistage ram 5 is tertiary structure, arrange and trap particle along flue gas flow direction in signal piping, the aerodynamic diameter scope of three-stage trapping particle is followed successively by: be more than or equal to 10 μ m particle, be less than 10 μ m and be more than or equal to 2.5 μ m particle, be less than 2.5 μ m and be more than or equal to the particle of 1.0 μ m, flow in described condenser pipe 7 by the flue gas after multistage ram 5. In described multistage ram, each trapping particle parameter that clashes into diaphragm can be adjusted according to real actual conditions, to meet test needs, for example, increases the shock diaphragm of trapping major diameter particle etc., all should be considered as specific embodiments of the invention.
In practical operation, between described inner core 17 and multistage ram 5, be provided with tube connector 3, the material of tube connector 3 is Kynoar, can also adopt other to have high temperature resistant, corrosion resistant material, also should be considered as specific embodiments of the invention.
In practical operation, the heating-up temperature scope of described sampling gun 2 is 120 DEG C-140 DEG C, and the concrete heating-up temperature of sampling gun can regulate according to actual conditions, is preferably 130 DEG C, gathers to meet PM2.5.
In practical operation, the heating-up temperature scope of described heating clamber 4 is 120 DEG C-140 DEG C, heating clamber is controlled the operating temperature of three grades of rams indirectly by temperature in controller, make three grades of rams under temperature constant state, trap each grade particle, the concrete heating-up temperature of heating clamber can regulate according to actual conditions, be preferably 130 DEG C, gather to meet PM2.5.
In practical operation, quartz glass tube between described heating clamber 4 and condenser pipe 7 is equipped with heating jacket 6 outward, the heating-up temperature scope of described heating jacket is 120 DEG C-140 DEG C, the concrete heating-up temperature of heating jacket can regulate according to actual conditions, be preferably 130 DEG C, both guaranteed that quartz glass tube and three grades of rams had uniform temp, prevented because variations in temperature affects flue gas gas-solid state, can also prevent the outer cold and deformed damaged of quartz glass tube Yin Neire.
In practical operation, described the first cooling bay 15 comprises a thermostatic assembly, make the medium temperature in the first cooling bay 15 maintain 29 DEG C-31 DEG C, the first cooling bay temperature is preferably constant in 30 DEG C, water circulating pump extracts cooling medium and enters condenser pipe from the first cooling bay, realizes flue gas cool-down by exchange heat. Described the second cooling bay 16 comprises a thermostatic assembly, makes the medium temperature in the second cooling bay 15 maintain 0 DEG C-1 DEG C, has both played the effect of flue gas cool-down, also plays the effect of cooling silica gel.
In practical operation, described the first surge flask 9 and the second surge flask 10 are empty bottle, and the air inlet pipe bottom of the first surge flask 9 is positioned at bottle top, and the air inlet pipe bottom of the second surge flask 10 is positioned at bottle body bottom; Described the 3rd surge flask 12 is empty bottle, and its air inlet pipe bottom is positioned at bottle body bottom, and the 4th surge flask 13 is equipped with discolour silica gel, and the air inlet pipe bottom of the 4th surge flask 10 is plugged in described discolour silica gel. Flue gas, successively by each surge flask, had both been realized cooling step by step, also made the condensable particle forming in batch step by step be collected by each surge flask; In actual use, the body of the first surge flask and the second surge flask is immersed in the cooling medium in the first cooling bay, and the body of the 3rd surge flask and the 4th surge flask is immersed in the cooling medium in the second cooling bay, guarantees flue gas cooling effect.
In practical operation, in described filter 11, establish glass fiber filter or quartz filter, and filter membrane is not less than 99% to the efficiency of holding back of 0.3 μ m standard particle, can also select other filter membrane that meets filter condition, all should be considered as specific embodiments of the invention.
Finally, note also that, what more than enumerate is only a specific embodiment of the present invention. Obviously, this is bright is not limited to above embodiment, can also have a lot of distortion. Those of ordinary skill in the art can, from all distortion that content disclosed by the invention directly derives or association goes out, all should think protection scope of the present invention.
Claims (10)
1. test the PM2.5 of stationary source discharge and the device of condensable particle for one kind simultaneously, it is characterized in that: described device comprises smoke dust sampling parts, PM2.5 collecting part and condensable particle collecting part, described smoke dust sampling parts comprise sampling head (1), sampling gun (2), sampling pump (14), described PM2.5 collecting part comprises heating clamber (4), multistage ram (5), described condensable particle collecting part comprises condenser pipe (7), mate the water circulating pump (8) arranging with described condenser pipe, the first cooling bay (15), the second cooling bay (16), the first surge flask (9), the second surge flask (10), filter (11), the 3rd surge flask (12), the 4th surge flask (15), the described sampling head (1) of contacting successively, sampling gun (2), described multistage ram (5), condenser pipe (7), the first surge flask (9), the second surge flask (10), filter (11), the 3rd surge flask (12), the 4th surge flask (13) and described sampling pump (14) form signal piping, described multistage ram (5) is arranged in described heating clamber (4), described water circulating pump (8), the first surge flask (9), the second surge flask (10) is positioned in the first cooling bay (15), described the 3rd surge flask (12), the 4th surge flask (13) is positioned in the second cooling bay (16).
2. the PM2.5 of stationary source discharge and the device of condensable particle simultaneously tested according to claim 1, it is characterized in that: described sampling gun (2) is jacket type structure, comprise inner core (17), urceolus (18), heating part, described inner core (17) is quartz glass material, urceolus (18) is stainless steel, and humiture analyzer (19) and the Pitot tube (20) arranged along described inner core axially parallel are set between described inner core and urceolus.
3. the PM2.5 of stationary source discharge and the device of condensable particle simultaneously tested according to claim 1, it is characterized in that: described multistage ram (5) is tertiary structure, arrange and trap particle along flue gas flow direction in signal piping, the aerodynamic diameter scope of three-stage trapping particle is followed successively by: be more than or equal to 10 μ m particle, be less than 10 μ m and be more than or equal to 2.5 μ m particle, be less than 2.5 μ m and be more than or equal to the particle of 1.0 μ m, flow in described condenser pipe (7) by the flue gas after multistage ram (5).
4. the PM2.5 of stationary source discharge and the device of condensable particle simultaneously tested according to claim 1, it is characterized in that: between described inner core (17) and multistage ram (5), be provided with tube connector (3), the material of tube connector (3) is Kynoar.
5. the PM2.5 of stationary source discharge and the device of condensable particle simultaneously tested according to claim 1, is characterized in that: the heating-up temperature scope of described sampling gun (2) is 120 DEG C-140 DEG C; The heating-up temperature scope of described heating clamber (4) is 120 DEG C-140 DEG C; Quartz glass tube between described heating clamber (4) and condenser pipe (7) is equipped with heating jacket (6) outward, and the heating-up temperature scope of described heating jacket is 120 DEG C-140 DEG C.
6. the PM2.5 of stationary source discharge and the device of condensable particle simultaneously tested according to claim 1, it is characterized in that: described the first cooling bay (15) comprises a thermostatic assembly, make the medium temperature in the first cooling bay (15) maintain 29 DEG C-31 DEG C, described the second cooling bay (16) comprises a thermostatic assembly, makes the medium temperature in the second cooling bay (15) maintain 0 DEG C-1 DEG C.
7. the PM2.5 of stationary source discharge and the device of condensable particle simultaneously tested according to claim 1, it is characterized in that: described the first surge flask (9) and the second surge flask (10) are empty bottle, and the air inlet pipe bottom of the first surge flask (9) is positioned at bottle top, the air inlet pipe bottom of the second surge flask (10) is positioned at bottle body bottom.
8. the PM2.5 of stationary source discharge and the device of condensable particle simultaneously tested according to claim 1, it is characterized in that: described the 3rd surge flask (12) is empty bottle, its air inlet pipe bottom is positioned at bottle body bottom, the 4th surge flask (13) is equipped with discolour silica gel, and the air inlet pipe bottom of the 4th surge flask (10) is plugged in described discolour silica gel.
9. the PM2.5 of stationary source discharge and the device of condensable particle simultaneously tested according to claim 1, it is characterized in that: described filter is established glass fiber filter or quartz filter in (11), and filter membrane is not less than 99% to the efficiency of holding back of 0.3 μ m standard particle.
10. test the PM2.5 of stationary source discharge and a method for condensable particle simultaneously, it is characterized in that, said method comprising the steps of:
Step 1: preparatory stage, before sampling, use successively deionized water, acetone, n-hexane rinse sampling head (1), inner core (17), tube connector (3), multistage ram (5), condenser pipe (7), the first surge flask (9), the second surge flask (10), filter (11), the 3rd surge flask (12), and dry; In multistage ram (5), put into the collection diaphragm that constant weight is crossed; In filter, in (11), put into the filter membrane that constant weight is crossed; Pour cold water into the first cooling bay (15), and 29 DEG C-31 DEG C of constant temperature are set; Put into mixture of ice and water to the second cooling bay (16), and 0 DEG C-1 DEG C of constant temperature is set;
Step 2: sampling head is chosen, takes off sampling head (1), and seals inner core (17), and sampling gun (2) is positioned over to flue inside, and the malleation test port that Pitot tube (20) is just carrying out flow path direction to flue gas by it is tested flue gas flow rate; By humiture analyzer (19) test gas humiture; In conjunction with flue gas flow rate, temperature, humidity, select the suitable sampling head (1) of bore;
Step 3: sample phase, connect whole sampling apparatus, sampling gun (2) is placed in flue, and makes sampling head (1) just to carrying out flow path direction, and start sampling pump (14), by setting the former flue gas of sampling time collecting test; Reach after the sampling time of setting, close sampling pump (14), and record sampling volume, use High Purity Nitrogen to purge condenser pipe (7) and subsequent sample lines, continue 30-45 minute; Test is 50 DEG C-200 DEG C by former flue-gas temperature;
Step 4: sampling post processing, carefully take off the diaphragms at different levels of multistage ram (5), after constant weight, record diaphragms weightening finishes at different levels, wherein the 3rd utmost point diaphragm weightening finish is the PM2.5 particle quality collecting; Use solvent clean condenser pipe (7), the first surge flask (9), the second surge flask (10), collect cleaning fluid, dry rear remnant is the Part I of condensable particle; Filter membrane in de-entrainment filter (11), the Part II that dry rear weightening finish is condensable particle; Obtain condensable particle quality in conjunction with Part I and Part II weight;
Step 5: result is calculated, in conjunction with sampling volume, PM2.5 particle quality, condensable particle quality, the mass concentration of PM2.5 and condensable particle in acquisition flue gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610116021.9A CN105588777A (en) | 2016-03-02 | 2016-03-02 | Device and method for simultaneously testing PM2.5 and coagulated particulate matters discharged by fixing source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610116021.9A CN105588777A (en) | 2016-03-02 | 2016-03-02 | Device and method for simultaneously testing PM2.5 and coagulated particulate matters discharged by fixing source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105588777A true CN105588777A (en) | 2016-05-18 |
Family
ID=55928522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610116021.9A Pending CN105588777A (en) | 2016-03-02 | 2016-03-02 | Device and method for simultaneously testing PM2.5 and coagulated particulate matters discharged by fixing source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105588777A (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106582453A (en) * | 2017-01-18 | 2017-04-26 | 浙江大学 | Device and method for generating gas containing condensable particulate matters |
| CN107121309A (en) * | 2017-05-16 | 2017-09-01 | 上海创蓝检测技术有限公司 | Condensable particulate matter CPM sample devices |
| CN107421787A (en) * | 2017-08-31 | 2017-12-01 | 北京市环境保护监测中心 | The sampling apparatus and assay method of total particulate in waste gas |
| CN107894491A (en) * | 2017-10-27 | 2018-04-10 | 东南大学 | Test the device and method of water soluble ion concentration in wet desulphurization neat stress |
| CN108181198A (en) * | 2018-01-24 | 2018-06-19 | 苏州中汽检测技术服务有限公司 | A kind of atomization measure device and method |
| CN108287091A (en) * | 2018-03-26 | 2018-07-17 | 中国科学技术大学 | Sampling apparatus and the method for sampling a kind of while that acquire exhaust emission source graded particie object and gas phase organic matter |
| CN108362530A (en) * | 2018-03-25 | 2018-08-03 | 华电电力科学研究院有限公司 | A kind of high humidity gas liquid-solid phase object sampling apparatus and the method for sampling |
| CN108871877A (en) * | 2018-04-03 | 2018-11-23 | 南京师范大学 | A kind of multistage temperature control acquisition condensable particulate matter device |
| CN109164025A (en) * | 2018-11-15 | 2019-01-08 | 中建材环保研究院（江苏）有限公司 | A kind of thermal power plant PM2.5 test device and method |
| CN109708989A (en) * | 2018-12-28 | 2019-05-03 | 扬州大学 | A kind of device and its application method for the measurement of Oil in circulating gas, water and particle content |
| CN109959538A (en) * | 2017-12-22 | 2019-07-02 | 上海明华电力技术工程有限公司 | Fixed-contamination source emission sulfur trioxide and condensable particulate matter test device and method |
| CN109975185A (en) * | 2019-01-30 | 2019-07-05 | 浙江大学 | A kind of total particulate detection device and the method for sampling |
| CN110208160A (en) * | 2019-07-11 | 2019-09-06 | 安阳工学院 | A kind of measurement device and measuring method of flue gas total particulate |
| CN110346190A (en) * | 2019-08-13 | 2019-10-18 | 上海明华电力科技有限公司 | A kind of test device and method of fixed source smoke discharge soluble-salt |
| CN111351897A (en) * | 2020-03-15 | 2020-06-30 | 江苏尚美环保科技有限公司 | Flue gas sulfide on-line monitoring device |
| CN112730144A (en) * | 2020-12-23 | 2021-04-30 | 永春县产品质量检验所(福建省香产品质量检验中心、国家燃香类产品质量监督检验中心(福建)) | Device for collecting particles of incense products and detection method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010014478A1 (en) * | 1998-09-02 | 2001-08-16 | Frank H. Schaedlich | Apparatus for and method of collecting gaseous mercury and differentiating between different mercury components |
| CN102967491A (en) * | 2012-11-08 | 2013-03-13 | 上海市环境监测中心 | Particle matter sampling device and method for particle matter detection using device |
| CN103439152A (en) * | 2013-08-26 | 2013-12-11 | 上海明华电力技术工程有限公司 | Polymorphic sampling system and method for sulfur trioxide in exhaust of stationary pollution source |
| CN104075913A (en) * | 2014-07-17 | 2014-10-01 | 北京航空航天大学 | Dilution sampling device for PM2.5 discharged by stationary pollution source |
| CN203941041U (en) * | 2014-07-16 | 2014-11-12 | 青岛众瑞智能仪器有限公司 | A kind of high humidity low concentration flue dust stopple coupon |
| CN204241279U (en) * | 2014-10-08 | 2015-04-01 | 福建龙净环保股份有限公司 | A kind of sulfur trioxide in flue gas sampling apparatus |
| CN105466732A (en) * | 2014-10-03 | 2016-04-06 | 青岛鑫润土苗木专业合作社 | High-efficiency telescopic flue dust sampling apparatus |
| CN205593874U (en) * | 2016-03-02 | 2016-09-21 | 浙江浙能技术研究院有限公司 | PM2. 5 of while testing fixed source emission and device of condensable particulate matter |
-
2016
- 2016-03-02 CN CN201610116021.9A patent/CN105588777A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010014478A1 (en) * | 1998-09-02 | 2001-08-16 | Frank H. Schaedlich | Apparatus for and method of collecting gaseous mercury and differentiating between different mercury components |
| CN102967491A (en) * | 2012-11-08 | 2013-03-13 | 上海市环境监测中心 | Particle matter sampling device and method for particle matter detection using device |
| CN103439152A (en) * | 2013-08-26 | 2013-12-11 | 上海明华电力技术工程有限公司 | Polymorphic sampling system and method for sulfur trioxide in exhaust of stationary pollution source |
| CN203941041U (en) * | 2014-07-16 | 2014-11-12 | 青岛众瑞智能仪器有限公司 | A kind of high humidity low concentration flue dust stopple coupon |
| CN104075913A (en) * | 2014-07-17 | 2014-10-01 | 北京航空航天大学 | Dilution sampling device for PM2.5 discharged by stationary pollution source |
| CN105466732A (en) * | 2014-10-03 | 2016-04-06 | 青岛鑫润土苗木专业合作社 | High-efficiency telescopic flue dust sampling apparatus |
| CN204241279U (en) * | 2014-10-08 | 2015-04-01 | 福建龙净环保股份有限公司 | A kind of sulfur trioxide in flue gas sampling apparatus |
| CN205593874U (en) * | 2016-03-02 | 2016-09-21 | 浙江浙能技术研究院有限公司 | PM2. 5 of while testing fixed source emission and device of condensable particulate matter |
Non-Patent Citations (6)
| Title |
|---|
| 《空隙和废气监测分析方法指南》编委会: "《空气和废气监测分析方法指南（上册）》", 30 September 2006, 中国环境科学出版社 * |
| 中国环境保护产业协会电除尘委员会: "《燃煤电厂烟气超低排放技术》", 31 October 2015, 中国电力出版社 * |
| 刘帅等: "燃煤锅炉一次PM2.5的监测与控制技术", 《能源与环境》 * |
| 王书肖等: "工业燃煤链条炉细粒子排放特征研究", 《环境科学》 * |
| 胡月琪等: "燃煤锅炉烟气中CPM与水溶性离子监测方法及应用研究", 《环境监测管理与技术》 * |
| 裴冰: "燃煤电厂可凝结颗粒物的测试与排放", 《环境科学》 * |
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106582453A (en) * | 2017-01-18 | 2017-04-26 | 浙江大学 | Device and method for generating gas containing condensable particulate matters |
| CN106582453B (en) * | 2017-01-18 | 2022-09-09 | 浙江大学 | Generating device and method for gas containing condensable particles |
| CN107121309A (en) * | 2017-05-16 | 2017-09-01 | 上海创蓝检测技术有限公司 | Condensable particulate matter CPM sample devices |
| CN107421787A (en) * | 2017-08-31 | 2017-12-01 | 北京市环境保护监测中心 | The sampling apparatus and assay method of total particulate in waste gas |
| CN107421787B (en) * | 2017-08-31 | 2023-08-15 | 北京市环境保护监测中心 | Sampling device and measuring method for total particulate matters in exhaust gas |
| CN107894491A (en) * | 2017-10-27 | 2018-04-10 | 东南大学 | Test the device and method of water soluble ion concentration in wet desulphurization neat stress |
| CN109959538B (en) * | 2017-12-22 | 2021-11-16 | 上海明华电力科技有限公司 | Device and method for testing sulfur trioxide and condensable particles emitted by fixed pollution source |
| CN109959538A (en) * | 2017-12-22 | 2019-07-02 | 上海明华电力技术工程有限公司 | Fixed-contamination source emission sulfur trioxide and condensable particulate matter test device and method |
| CN108181198A (en) * | 2018-01-24 | 2018-06-19 | 苏州中汽检测技术服务有限公司 | A kind of atomization measure device and method |
| CN108181198B (en) * | 2018-01-24 | 2024-05-31 | 苏州中汽检测技术服务有限公司 | Atomization testing device and method |
| CN108362530A (en) * | 2018-03-25 | 2018-08-03 | 华电电力科学研究院有限公司 | A kind of high humidity gas liquid-solid phase object sampling apparatus and the method for sampling |
| CN108287091A (en) * | 2018-03-26 | 2018-07-17 | 中国科学技术大学 | Sampling apparatus and the method for sampling a kind of while that acquire exhaust emission source graded particie object and gas phase organic matter |
| CN108871877B (en) * | 2018-04-03 | 2021-08-10 | 南京师范大学 | Device for collecting condensable particles through multistage temperature control |
| CN108871877A (en) * | 2018-04-03 | 2018-11-23 | 南京师范大学 | A kind of multistage temperature control acquisition condensable particulate matter device |
| CN109164025A (en) * | 2018-11-15 | 2019-01-08 | 中建材环保研究院（江苏）有限公司 | A kind of thermal power plant PM2.5 test device and method |
| CN109708989B (en) * | 2018-12-28 | 2021-10-01 | 扬州大学 | Device for measuring contents of oil, water and particulate matters in gas and using method thereof |
| CN109708989A (en) * | 2018-12-28 | 2019-05-03 | 扬州大学 | A kind of device and its application method for the measurement of Oil in circulating gas, water and particle content |
| CN109975185A (en) * | 2019-01-30 | 2019-07-05 | 浙江大学 | A kind of total particulate detection device and the method for sampling |
| CN110208160A (en) * | 2019-07-11 | 2019-09-06 | 安阳工学院 | A kind of measurement device and measuring method of flue gas total particulate |
| CN110346190A (en) * | 2019-08-13 | 2019-10-18 | 上海明华电力科技有限公司 | A kind of test device and method of fixed source smoke discharge soluble-salt |
| CN110346190B (en) * | 2019-08-13 | 2022-03-18 | 上海明华电力科技有限公司 | Device and method for testing soluble salt discharged by fixed source flue gas |
| CN111351897A (en) * | 2020-03-15 | 2020-06-30 | 江苏尚美环保科技有限公司 | Flue gas sulfide on-line monitoring device |
| CN112730144A (en) * | 2020-12-23 | 2021-04-30 | 永春县产品质量检验所(福建省香产品质量检验中心、国家燃香类产品质量监督检验中心(福建)) | Device for collecting particles of incense products and detection method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105588777A (en) | Device and method for simultaneously testing PM2.5 and coagulated particulate matters discharged by fixing source | |
| CN109959538B (en) | Device and method for testing sulfur trioxide and condensable particles emitted by fixed pollution source | |
| CN102967491B (en) | Particle sampling device and utilize this device to carry out the method for particle detection | |
| CN1926423B (en) | Method for sampling flue gas for analysis containing gas component having high susceptibility to adsorption | |
| CN206057039U (en) | The sampling system of the particulate matter of different shape and particle diameter in a kind of polluter | |
| CN109765084B (en) | Flue gas grading sampling system and sampling method thereof | |
| CN104406826A (en) | Condensable particle sampling device | |
| CN203101128U (en) | Particulate matter sampling device | |
| CN204214696U (en) | Condensable particle sampling device | |
| CN105403634A (en) | Fine-particulate acquisition device and fine-particulate acquisition method used for online direction measurement | |
| CN204758358U (en) | Directly extract flue gas sampling device of formula CEMS system | |
| CN210154881U (en) | Sampling system for filterable particles and condensable particles | |
| CN101644643A (en) | Sample air pretreatment device for coke furnace inorganization emission source and method thereof | |
| CN109254124A (en) | A kind of SO3Concentration on-line measuring device and method | |
| CN208766151U (en) | SO in a kind of on-line checking flue gas3The system of content | |
| CN110398398A (en) | A kind of the classification sampling system and method for the emission intensity suitable for high-humidity gas fume | |
| CN110346190A (en) | A kind of test device and method of fixed source smoke discharge soluble-salt | |
| CN205593874U (en) | PM2. 5 of while testing fixed source emission and device of condensable particulate matter | |
| CN100567940C (en) | Vortex refrigeration sampler | |
| CN206038387U (en) | A multiple spot subregion sampling system for monitoring of multi -phase fluid medium composition | |
| CN103048355B (en) | Oxygen concentration of flue gas measurement mechanism and method in a kind of fire endurance test | |
| CN206540759U (en) | Online sample gas pretreating system | |
| CN111366681B (en) | Intelligent online analysis system for oxygen concentration of centrifugal machine | |
| CN201096664Y (en) | Fully automatic maintenance-free sampling pre-processing device | |
| CN204479368U (en) | A kind of sampling system being applicable to stationary source and gathering containing fine particle in drop flue gas |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160518 |