CN205091227U - Vibration balance cigarette dust content direct reading measuring apparatu with reposition of redundant personnel structure - Google Patents
Vibration balance cigarette dust content direct reading measuring apparatu with reposition of redundant personnel structure Download PDFInfo
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- CN205091227U CN205091227U CN201520460472.5U CN201520460472U CN205091227U CN 205091227 U CN205091227 U CN 205091227U CN 201520460472 U CN201520460472 U CN 201520460472U CN 205091227 U CN205091227 U CN 205091227U
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Abstract
The utility model discloses a vibration balance cigarette dust content direct reading measuring apparatu with reposition of redundant personnel structure, a serial communication port, including smoke and dust sampling unit, cigarette dust content direct reading unit, the smoke and dust collector unit, flow measurement the control unit I, flow measurement the control unit II and sampling pump I, sampling pump II, smoke and dust sampling unit with cigarette dust content direct reading unit connection, cigarette dust content direct reading unit is connected to with flow measurement and the control unit I sampling pump I, smoke and dust sampling unit still with the smoke and dust collector unit is connected, the smoke and dust collector unit is connected to with flow measurement and the control unit II sampling pump II. The utility model discloses simple structure convenient to use can be used for the smoke and dust direct reading, also can take out and strain a section of thick bamboo or filter membrane manual work measurements of weighing, and the drawback of overcoming traditional smoke and dust tester that can be fine reduces links such as gathering, dry, weigh, labour saving and time saving, and the precision is high, and the degree of accuracy and the real -time of detection data have been guaranteed to the degree of automation height, and application prospect is wide.
Description
Technical field
The utility model belongs to measuring concentration of granules in certain field, particularly a kind of oscillating balance dust concentration direct reading measurement instrument with flow dividing structure and measuring method thereof.
Background technology
Stationary source is one of important sources of Inhalable Particles of Atmosphere, is the key factor hindering China's ambient air quality standard attainment.Due to the significant damage of pellet, current countries in the world are all to this has been further investigation and being controlled.The method that the portable smoke dust sampler of current China is conventional is filter cylinder weight method, and take time and effort, especially under the condition of high humility, low concentration, the inferior position of this method is more obvious.And to be widely used abroad technology maturation with the on-the-spot flue dust direct reading test instrument that oscillating balance method is principle.It is applied to the detection of domestic stationary source flue dust, well can overcomes the drawback that traditional Apparatus for Dust Content in Stack shows, and also well can provide hardware supported for improving stationary pollution source flue dust detection level, have broad application prospects.
Trace oscillating balance method is the measuring concentration of granules in certain method that developed recently gets up.Use the direct-reading Apparatus for Dust Content in Stack of the method to have automaticity high, the features such as operation steps is simple, smoke dust discharge concentration can be measured rapidly in scene; Simultaneously the method error that artificial mobile filter cylinder can be avoided to cause, links such as decreasing collections, dry, weigh, time saving and energy saving, ensure that accuracy and the real-time of detection data better; The method also has high-precision feature, and trickle dust concentration change also can cause the change of oscillation frequency, has very large advantage in low concentration tobacco damping-off field.
Utility model content
For the deficiencies in the prior art part, the utility model provides the oscillating balance flue dust direct reading measurement instrument that a kind of precision is high, test specification is vast, error is little.
For achieving the above object, the technical scheme that adopts of the utility model is as follows.
As shown in Figure 1, a kind of oscillating balance dust concentration direct reading measurement instrument with flow dividing structure, it is characterized in that, comprise smoke dust sampling unit, dust concentration direct-reading unit, flue dust collecting unit 16, flow detection control module I 14, flow detection control module II 18 and sampling pump I 15, sampling pump II 19, described smoke dust sampling unit is connected with described dust concentration direct-reading unit, and described dust concentration direct-reading unit and flow detection and control module I 14 are connected to described sampling pump I 15; Described smoke dust sampling unit is also connected with described flue dust collecting unit 16, and described flue dust collecting unit 16 is connected to described sampling pump II 19 with flow detection and control module II 18.
Further, described dust concentration direct-reading unit comprises: electromagnet 8, Hall element 10, oscillating tube 11, magnet steel 9, film holder 7, the sub-top of described concussion tightens up film holder 7, both sides are respectively equipped with electromagnet 8 and Hall element 10, top is symmetrically arranged with two magnet steel 9, and these two magnet steel 9 are just different to the polarity of oscillating tube 11.
Further, it is characterized in that, described flue dust collecting unit 16 adopts filter cylinder or filter membrane.
Further, described smoke dust sampling unit comprises pitot tube 2 and sampling pipe 3, and pitot tube 2 is positioned at sampling pipe 3 upper end, and pitot tube 2 and the sampling mouth vertical alignment of sampling pipe 3, contain temperature sensor in pitot tube 2; Sampling pipe 3 extexine is enclosed with heating tape, in order to realize heating the whole process of flue dust, prevents condensation.
Further, described sampling pipe 3 is provided with and detects gas port 4 and distribute gas port 5, described in detect that gas port 4 is connected to described dust concentration direct-reading unit; The described gas port 5 that distributes is connected to described flue dust collecting unit 16; Detect that gas port 4 place adopts the mode of isokinetic sampling to carry out double sampling to the flue dust in sampling pipe 3 described, described in sampling flue dust passes through, detect that gas port 4 enters dust concentration direct-reading unit.
Further, described dust concentration direct-reading unit is embedded in metal works, and described metal works is divided into upper body 6 and lower body 12 two parts, upper body 6 and lower body 12 hollow and be flexibly connected, the junction of upper body 6 and lower body 12 is provided with groove, and described film holder 7 is placed in groove.
Further, described upper body 6 and the inside of described lower body 12 are provided with temperature sensor, and outside is equipped with well heater and heat-insulation layer, heats and detect gas flow temperature to metal works, prevent condensation in aqueous vapor earthquake pipe, affect the accuracy of test result.
Further, described flow detection control module I 14 and flow detection control module II 18 front end are respectively equipped with condenser I 13 and condenser II 17, effectively prevent steam from entering.
The beneficial effects of the utility model are:
The utility model structure is simply easy to use, well can overcome the drawback that traditional Apparatus for Dust Content in Stack shows, have a extensive future, essence is high, automaticity is high, the features such as operation steps is simple, smoke dust discharge concentration can be measured rapidly in scene, avoid the error that artificial mobile filter cylinder causes, decrease collection, dry, the link such as to weigh, time saving and energy saving, ensure that the accuracy and real-time that detect data, be provided with flue dust and divide gas port, achieve the shunting of flue dust, therefore the utility model its both may be used for flue dust direct-reading, also filter cylinder can be taken out or filter membrane carries out artificial weighing measurement.
Accompanying drawing explanation
Fig. 1 is one-piece construction figure of the present utility model.
In figure: walling of flue 1, pitot tube 2, sampling pipe 3, detects gas port 4, distribute gas port 5, upper body 6, film holder 7, electromagnet 8, magnet steel 9, Hall element 10, concussion pipe 11, lower body 12, condenser I 13, flow detection control module I 14, sampling pump I 15, flue dust collecting unit 16, condenser II 17, flow detection control module II 18, sampling pump II 19.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, a kind of oscillating balance dust concentration direct reading measurement instrument with flow dividing structure, it is characterized in that, comprise smoke dust sampling unit, dust concentration direct-reading unit, flue dust collecting unit 16, flow detection control module I 14, flow detection control module II 18 and sampling pump I 15, sampling pump II 19, described smoke dust sampling unit is connected with described dust concentration direct-reading unit, and described dust concentration direct-reading unit and flow detection and control module I 14 are connected to described sampling pump I 15; Described smoke dust sampling unit is also connected with described flue dust collecting unit 16, and described flue dust collecting unit 16 is connected to described sampling pump II 19 with flow detection and control module II 18.
Further, described dust concentration direct-reading unit comprises: electromagnet 8, Hall element 10, oscillating tube 11, magnet steel 9, film holder 7, the sub-top of described concussion tightens up film holder 7, both sides are respectively equipped with electromagnet 8 and Hall element 10, top is symmetrically arranged with two magnet steel 9, and these two magnet steel 9 are just different to the polarity of oscillating tube 11.
Further, it is characterized in that, described flue dust collecting unit 16 adopts filter cylinder or filter membrane.
Further, described smoke dust sampling unit comprises pitot tube 2 and sampling pipe 3, and pitot tube 2 is positioned at sampling pipe 3 upper end, and pitot tube 2 and the sampling mouth vertical alignment of sampling pipe 3, contain temperature sensor in pitot tube 2; Sampling pipe 3 extexine is enclosed with heating tape, in order to realize heating the whole process of flue dust, prevents condensation.
Further, described sampling pipe 3 is provided with and detects gas port 4 and distribute gas port 5, described in detect that gas port 4 is connected to described dust concentration direct-reading unit; The described gas port 5 that distributes is connected to described flue dust collecting unit 16; Detect that gas port 4 place adopts the mode of isokinetic sampling to carry out double sampling to the flue dust in sampling pipe 3 described, described in sampling flue dust passes through, detect that gas port 4 enters dust concentration direct-reading unit.
Further, described dust concentration direct-reading unit is embedded in metal works, and described metal works is divided into upper body 6 and lower body 12 two parts, upper body 6 and lower body 12 hollow and be flexibly connected, the junction of upper body 6 and lower body 12 is provided with groove, and described film holder 7 is placed in groove.
Further, described upper body 6 and the inside of described lower body 12 are provided with temperature sensor, and outside is equipped with well heater and heat-insulation layer, heats and detect gas flow temperature to metal works, prevent condensation in aqueous vapor earthquake pipe, affect the accuracy of test result.
Further, described flow detection control module I 14 and flow detection control module II 18 front end are respectively equipped with condenser I 13 and condenser II 17, effectively prevent steam from entering.
Embodiment 1
In the present embodiment, for realizing isokinetic sampling, the cigarette temperature that the pressure reduction recorded according to pitot tube 2 by data processing unit and cigarette temperature sensor record, calculate the flow velocity of flue, then start sampling pump 15, the flue flow velocity according to calculating is sampled.Add heating tape on sampling pipe 3 top layer simultaneously, realize heating the whole process of flue dust, prevent condensation, avoid the moisture in flue dust to bring measuring error, heating temperature range is arranged on 60 DEG C ~ 140 DEG C.
Respectively upper body 6 and lower body 12 heated and detected gas flow temperature, avoiding the condensation in steam earthquake pipe 11, ensureing the accurate of measurement result further.
The condenser I 13 that flow detection control module I 14 and flow detection control module II 18 front end are arranged respectively and condenser II 17, effectively prevent entering of aqueous vapor.
Detect that gas port 4 place adopts the mode of isokinetic sampling to carry out double sampling to the flue dust in sampling pipe 3 described, ensure that the flue dust entering dust concentration direct-reading unit is isokinetic sampling's gained.
When in testing process, when needing to change the filter membrane in the flue dust collecting unit 16 adopting filter membrane, be separated the upper body 6 and lower body 12 that are in complete seal state in use, change filter membrane.
Through sampling pipe 3, the gas part collected in the utility model detects that gas port 4 enters dust concentration direct-reading unit, again through flow detection control module I 14, remaining gas then enters flue dust collecting unit 16 by distributing gas port 5, again through flow detection control module II 18, according to the actual requirements, controlled, to carry out particle concentration analysis to required sample gas by flow detection control module I 14 and flow detection control module II 18 pairs of gas flows.
As shown in Figure 1, sample gas is with the sampling pipe 3 of companion's hot merit energy with certain flow rate, and sampling pipe 3 pairs of air-flows are incubated and shunt: a road air-flow is through flue dust collecting unit 16, and condenser I 13 and flow detection control module I 14 arrive sampling pump I 15; Another road enters the upper body 6 of heating, upper body 6 makes air-flow continue to keep high temperature, then continue to pass downwardly through film holder 7 to filter, on the filter membrane that film holder 7 makes the grain thing in air-flow be adsorbed on flue dust collecting unit 16 or filter cylinder, finally by concussion pipe 11, condenser II 17, make condensation to normal temperature, then sample gas arrives sampling pump II 19 through flow detection control module II 18.
Operationally, one side flue dust collecting unit 16 collects flue dust to this flue dust direct reading measurement instrument, measures after terminating, and the filter cylinder or the filter membrane that directly take out flue dust collecting unit 16 carry out artificial weighing measurement; On the other hand in measuring process, electromagnet 8 is energized and produces magnetic field, for oscillating tube 11 provides driving force.When hormetic vibration frequency is equal with the natural frequency of oscillating tube 11, the resonance of system occurs, and the frequency measured is the natural frequency of oscillating tube 11.When surrounding air with constant flow by filter membrane time, on the filter membrane that particle is then deposited on flue dust collecting unit 16 or filter cylinder.Measure two natural frequencys before and after the ventilation of certain intervals time, the quality of particle on the filter membrane of flue dust collecting unit 16 or filter cylinder can be calculated, again divided by the total volume of air of the filter membrane or filter cylinder that flow through flue dust collecting unit 16, obtain the mean concentration of particulate in air during this period of time.
The other the same as in Example 1.
Above-mentioned explanation is not to restriction of the present utility model; the utility model is also not limited in above-mentioned citing; the change that those skilled in the art make in essential scope of the present utility model, remodeling, interpolation or replacement, also should belong to protection domain of the present utility model.
Claims (8)
1. the oscillating balance dust concentration direct reading measurement instrument with flow dividing structure, it is characterized in that, comprise smoke dust sampling unit, dust concentration direct-reading unit, flue dust collecting unit (16), flow detection control module I (14), flow detection control module II (18) and sampling pump I (15), sampling pump II (19), described smoke dust sampling unit is connected with described dust concentration direct-reading unit, and described dust concentration direct-reading unit and flow detection and control module I (14) are connected to described sampling pump I (15); Described smoke dust sampling unit is also connected with described flue dust collecting unit (16), and described flue dust collecting unit (16) is connected to described sampling pump II (19) with flow detection and control module II (18).
2. one shakes balance dust concentration direct reading measurement instrument according to claim 1, it is characterized in that, described dust concentration direct-reading unit comprises: electromagnet (8), Hall element (10), oscillating tube (11), magnet steel (9), film holder (7), the sub-top of described concussion tightens up film holder (7), both sides are respectively equipped with electromagnet (8) and Hall element (10), top is symmetrically arranged with two magnet steel (9), and these two magnet steel (9) are just different to the polarity of described oscillating tube (11).
3. one shakes balance dust concentration direct reading measurement instrument according to claim 1, and it is characterized in that, described flue dust collecting unit (16) adopts filter cylinder or filter membrane.
4. one shakes balance dust concentration direct reading measurement instrument according to claim 1, it is characterized in that, described smoke dust sampling unit comprises pitot tube (2) and sampling pipe (3), pitot tube (2) is positioned at sampling pipe (3) upper end, and pitot tube (2) and the sampling mouth vertical alignment of sampling pipe (3), contain temperature sensor in pitot tube (2); Sampling pipe (3) extexine is enclosed with heating tape.
5. one shakes balance dust concentration direct reading measurement instrument according to claim 1, it is characterized in that, described sampling pipe (3) is provided with and detects gas port (4) and distribute gas port (5), described in detect that gas port (4) is connected to described dust concentration direct-reading unit; The described gas port (5) that distributes is connected to described flue dust collecting unit (16).
6. one shakes balance dust concentration direct reading measurement instrument according to claim 1, it is characterized in that, described dust concentration direct-reading unit is embedded in metal works, described metal works is divided into upper body (6) and lower body (12) two parts, upper body (6) and lower body (12) hollow and be flexibly connected, the junction of upper body (6) and lower body (12) is provided with groove, and described film holder (7) is placed in groove.
7. one shakes balance dust concentration direct reading measurement instrument according to claim 6, and it is characterized in that, described upper body (6) and the inside of described lower body (12) are provided with temperature sensor, and outside is equipped with well heater and heat-insulation layer.
8. one shakes balance dust concentration direct reading measurement instrument according to claim 1, it is characterized in that, described flow detection control module I (14) and flow detection control module II (18) front end are respectively equipped with condenser I (13) and condenser II (17).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520460472.5U CN205091227U (en) | 2015-06-30 | 2015-06-30 | Vibration balance cigarette dust content direct reading measuring apparatu with reposition of redundant personnel structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520460472.5U CN205091227U (en) | 2015-06-30 | 2015-06-30 | Vibration balance cigarette dust content direct reading measuring apparatu with reposition of redundant personnel structure |
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| CN205091227U true CN205091227U (en) | 2016-03-16 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105424567A (en) * | 2015-11-26 | 2016-03-23 | 黑龙江科技大学 | Dust measurement device based on resonance theory |
| CN107238560A (en) * | 2017-07-28 | 2017-10-10 | 青岛众瑞智能仪器有限公司 | Constant speed balance soot dust granule thing concentration readout portable measurement system and method |
| CN108982282A (en) * | 2018-10-15 | 2018-12-11 | 南安市傅泉机械科技有限公司 | A kind of dust granule detection device for the trace oscillating balance method that winter uses |
| CN109580444A (en) * | 2019-01-31 | 2019-04-05 | 罗舒 | It is suitble to the micro oscillating balance dust concentration instrument of TEOM of the ultra-clean discharge of thermal power plant |
| CN113029849A (en) * | 2021-03-15 | 2021-06-25 | 竑迈环境科技(上海)有限公司 | Weighing method movable dust measurement automatic sampling system |
-
2015
- 2015-06-30 CN CN201520460472.5U patent/CN205091227U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105424567A (en) * | 2015-11-26 | 2016-03-23 | 黑龙江科技大学 | Dust measurement device based on resonance theory |
| CN107238560A (en) * | 2017-07-28 | 2017-10-10 | 青岛众瑞智能仪器有限公司 | Constant speed balance soot dust granule thing concentration readout portable measurement system and method |
| CN108982282A (en) * | 2018-10-15 | 2018-12-11 | 南安市傅泉机械科技有限公司 | A kind of dust granule detection device for the trace oscillating balance method that winter uses |
| CN108982282B (en) * | 2018-10-15 | 2020-10-20 | 泉州市惠安碧益茶业有限公司 | Dust particle detection device of micro-oscillation balance method used in winter |
| CN109580444A (en) * | 2019-01-31 | 2019-04-05 | 罗舒 | It is suitble to the micro oscillating balance dust concentration instrument of TEOM of the ultra-clean discharge of thermal power plant |
| CN113029849A (en) * | 2021-03-15 | 2021-06-25 | 竑迈环境科技(上海)有限公司 | Weighing method movable dust measurement automatic sampling system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 266000 No. 1, Yueyang Road, Chengyang District, Qingdao City, Shandong Patentee after: Qingdao Zhongrui Intelligent Instrument Co.,Ltd. Address before: Laoshan District of Shandong city of Qingdao province Shandong 266101 Road No. 58 (Sheng and building) 1 building 703 Patentee before: QINGDAO ZHONGRUI INTELLIGENT INSTRUMENT Co.,Ltd. |
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| CP03 | Change of name, title or address |