CN201083746Y - Flue gas moisture content automatic tester - Google Patents
Flue gas moisture content automatic tester Download PDFInfo
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- CN201083746Y CN201083746Y CNU2007201700923U CN200720170092U CN201083746Y CN 201083746 Y CN201083746 Y CN 201083746Y CN U2007201700923 U CNU2007201700923 U CN U2007201700923U CN 200720170092 U CN200720170092 U CN 200720170092U CN 201083746 Y CN201083746 Y CN 201083746Y
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- flue gas
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
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Abstract
The utility model provides an automatic tester of water content in flue gas, which comprises an environmental information acquisition unit, a data processing unit and a data output unit, wherein, the environmental information acquisition unit for acquiring oxygen in the flue gas and environmental parameter comprises an oxygen sensor, an environmental temperature sensor, an environmental humidity sensor and an atmospheric pressure sensor; the oxygen sensor, the environmental temperature sensor, the environmental humidity sensor and the atmospheric pressure sensor in the environmental information acquisition unit are respectively connected with the data processing unit, and the data processing unit receives data of the oxygen in the flue gas and the environmental parameter and performs a scheduled program processing; the data output unit is connected with the data processing unit for outputting processing results of the data processing unit; therefore, the utility model achieves the aim of simple structure, automatic testing and real-time display of the moisture content in the flue gas.
Description
Technical field
The utility model relates to a kind of environment measuring equipment, particularly be moisture auto testing instrument in a kind of flue gas.
Background technology
China discharges pollutants by dry flue gas calculating concentration and emission index to the atmosphere stationary source.Therefore, must measure moisture in the atmosphere stationary source discharging flue gas.
Moisture tester front end is heating sampling pipe (front end is installed glass fiber filter and removed particle in the flue gas) in the existing flue gas, and the device that its rear end connects divides three kinds of forms:
Form by dry bulb/wet bulb thermometer, pressure vacuum gauge, spinner-type flowmeter, aspiration pump for first kind; By described dry bulb/the wet bulb thermometer indicated temperature is poor, pressure vacuum gauge indicates vacuum pressure, flue gas absolute pressure to calculate moisture in the flue gas.
Form by condenser, thermometer, exsiccator, pressure vacuum gauge, spinner-type flowmeter, flow totalizer, variable valve, aspiration pump for second kind; The pressure and temperature of gas before the water yield by condensation in the condenser, the saturation vapor pressure of condensator outlet, the flowmeter, the volume that extracts flue gas calculate moisture in the flue gas;
Last a kind ofly form by moisture absorption pipe, bosh, pressure vacuum gauge, thermometer, spinner-type flowmeter, aspiration pump; The pressure and temperature of gas before the moisture weight that absorbs by the moisture absorption pipe that weighs with scale, the flowmeter, the volume, the atmospheric pressure that extract flue gas calculate moisture in the flue gas;
But above-mentioned three kinds all exist certain defective, and at first, response speed is slow, and the time that just obtains the result is long; Secondly automaticity is not high to a great extent.
For overcoming above-mentioned defective, the utility model creator is through studying and test the appearance that has obtained this product finally for a long time.
Summary of the invention
The purpose of this utility model is, moisture auto testing instrument in a kind of flue gas is provided, in order to overcome above-mentioned defective.
For achieving the above object, the technical solution adopted in the utility model one is, moisture auto testing instrument in a kind of flue gas is provided, and it comprises: environmental information collecting unit, data processing unit and data output unit; Described environmental information collecting unit is in order to gather oxygen and environmental parameter in the flue gas, and it comprises: lambda sensor, environment temperature sensor, ambient humidity sensor and barometric pressure sensor; It is connected described data processing unit with lambda sensor, environment temperature sensor, ambient humidity sensor and barometric pressure sensor in the described environmental information collecting unit respectively, receives in the flue gas oxygen and ambient parameter data and carries out preset program and handle; Described data output unit is connected with described data processing unit, in order to export the result of described data processing unit;
The technical solution adopted in the utility model two is, moisture auto testing instrument in a kind of flue gas is provided, and it is characterized in that it comprises: pre-process unit, environmental information collecting unit, data processing unit and data output unit; Wherein, described pre-process unit comprises: the heating sampling pipe, condenser, spinner-type flowmeter, lambda sensor and the aspiration pump that connect in regular turn; Described environmental information collecting unit is in order to gather environmental parameter, and it is environment temperature sensor, ambient humidity sensor and barometric pressure sensor; It is connected described data processing unit with the lambda sensor of environment temperature sensor, ambient humidity sensor, barometric pressure sensor and described pre-process unit in the described environmental information collecting unit respectively, receives in the flue gas oxygen and ambient parameter data and carries out preset program and handle; Described data output unit is connected with described data processing unit, in order to export the result of described data processing unit;
The technical solution adopted in the utility model three is, moisture auto testing instrument in a kind of flue gas is provided, and it is characterized in that it comprises: pre-process unit, environmental information collecting unit, data processing unit and data output unit; Wherein, described pre-process unit comprises: the heating sampling pipe, condenser, aspiration pump, spinner-type flowmeter and the lambda sensor that connect in regular turn; Described environmental information collecting unit is in order to gather environmental parameter, and it comprises: environment temperature sensor, ambient humidity sensor and barometric pressure sensor; It is connected described data processing unit with the lambda sensor of environment temperature sensor, ambient humidity sensor, barometric pressure sensor and described pre-process unit in the described environmental information collecting unit respectively, receives in the flue gas oxygen and ambient parameter data and carries out preset program and handle; Described data output unit is connected with described data processing unit, in order to export the result of described data processing unit;
Wherein, described data processing unit is a single-chip microcomputer, computing machine or embedded system one of them;
Wherein, described data output unit comprises A/D converter, itself and display, printer one of them or be connected with both respectively;
Wherein, described data output unit also comprises a data transmission interface, and it is connected with other host computer or memory device;
The beneficial effects of the utility model are compared with the prior art, and are simple in structure, promptly can combine timing automatic with portable flue dust/smoke detecting instrument and measure, show in real time moisture in the flue gas; The parts that also can be used as moisture continuous measurement system in the independent flue gas or flue dust/flue gas discharge continuous monitoring system are measured chronically, continuously and are shown moisture in the flue gas in real time.
Description of drawings
Fig. 1 is the illustrative view of functional configuration of moisture auto testing instrument preferred embodiment one in the utility model flue gas;
Fig. 2 is the illustrative view of functional configuration of moisture auto testing instrument preferred embodiment two in the utility model flue gas;
Fig. 3 is the illustrative view of functional configuration of moisture auto testing instrument preferred embodiment three in the utility model flue gas.
Embodiment
Below in conjunction with accompanying drawing, to this novel above-mentionedly is described in more detail with other technical characterictic and advantage.
The principle of moisture auto testing instrument is according to being in the utility model flue gas: the gas volume of oxygen level, ambient air moisture content (environment temperature, humidity and atmospheric pressure), the thermal value generation of fossil fuel unit is relevant in the moisture in the flue gas and the flue gas.When moisture in the flue gas was state of saturation, moisture was the function of flue-gas temperature and flue gas pressures; When moisture in the flue gas was unsaturated state, moisture was the function that flue gas oxygen content, ambient air moisture content and fossil fuel unit's thermal value produce the volume of gas.The computing formula of moisture can be expressed as follows:
When moisture in the flue gas is state of saturation:
B
ws＝f(t，P)
In the formula: B
Ws-flue gas moisture content, % (v/v); The t-flue-gas temperature, ℃ (≤100 ℃); P-flue gas absolute pressure (B
a-P
s), P
aB
a, P
s---be respectively atmospheric pressure and flue gas static pressure, P
a
When moisture in the flue gas is unsaturated state:
B
ws＝f(B
wa，O
2w，V/J)
In the formula: B
Wa-ambient air moisture content, % (v/v); O
2w-flue gas oxygen content, % (v/v); V/J-fossil fuel unit thermal value produces the volume of gas, m
3/ J.
B
wa＝f(T，HR，B
a)
In the formula: T-environment temperature, K; HR-surrounding air relative humidity, %;
The utility model can combine with existing portable flue dust/smoke detecting instrument or flue dust/continuous emission monitoring system of flue gas, on the basis that utilizes the existing sensor of said system, only need to increase an environment temperature sensor, ambient humidity sensor and in software, increase calculation procedure and can realize that just its concrete structure is as described below.
See also shown in Figure 1ly, it is the illustrative view of functional configuration of moisture auto testing instrument preferred embodiment one in the utility model flue gas; It comprises: environmental information collecting unit 11, data processing unit 12 and data output unit 13; Described environment collecting unit 11 is in order to gather environmental parameter, and it comprises: lambda sensor 111, environment temperature sensor 112, ambient humidity sensor 113 and barometric pressure sensor 114; Described data processing unit 12 is a single-chip microcomputer, computing machine or embedded system one of them, it is connected with lambda sensor 111, environment temperature sensor 112, ambient humidity sensor 113 and barometric pressure sensor 114 in the described environment collecting unit 11 respectively, and the reception environment supplemental characteristic is also handled data according to the preset program that is provided with; Described data output unit 13 is connected with described data processing unit 12, and it comprises A/D converter 131, and it is with display 132, printer 133 both be connected (also can be connected with one of them) respectively; In order to export the result of described data processing unit 12; When the utility model was started working, flue gas diffused into the lambda sensor 111 of described environment collecting unit 11, and atmospheric diffusion enters environment temperature sensor 112 and ambient humidity sensor 113, and atmosphere pressure sensor 114 is measured ambient atmosphere pressure; (4～20mA) output to data processing unit 12 to produce standard signal respectively, data processing unit 12 through corresponding the processing after through A/D converter 131, by display 132 display result, print in the flue gases determination of moisture result and by a data transmission interface 134 transmission data by printer 133, described data transmission interface 134 and other host computer or the memory device (not shown) that is connected;
See also shown in Figure 2ly, it is the illustrative view of functional configuration of moisture auto testing instrument preferred embodiment two in the utility model flue gas; It comprises: pre-process unit 24, environmental information collecting unit 21, data processing unit 22 and data output unit 23; Wherein, described pre-process unit 24 comprises: the heating sampling pipe 241 that connects in regular turn, condenser 242, spinner-type flowmeter 243, lambda sensor 244 and aspiration pump 245; Described environmental information collecting unit 21 is in order to gather environmental parameter, and it comprises: environment temperature sensor 211, ambient humidity sensor 212 and barometric pressure sensor 213; Described data processing unit 22 is a single-chip microcomputer, computing machine or embedded system one of them, it is connected with the lambda sensor 244 of described environment temperature sensor 211, ambient humidity sensor 212, barometric pressure sensor 213 and described pre-process unit respectively, and the reception environment supplemental characteristic is also handled data according to the preset program that is provided with; Described data output unit 23 is connected with described data processing unit 22, and it comprises A/D converter 231, itself and display 232 respectively, printer 233 both be connected (also can be connected with one of them); In order to export the result of described data processing unit 22; Described data output unit 23 is connected with described data processing unit 22, in order to export the result of described data processing unit 22;
During the utility model work, extract flue gas by aspiration pump 245, particle is after the filtrate of heating sampling pipe 241 front ends is removed in the flue gas, be transported to condenser 242 by soft air-guide pipe, flue gas is removed moisture in the flue gas through condenser 242 rapid condensation, enter spinner-type flowmeter 243, lambda sensor 244 is discharged gas through aspiration pump 245 again; By lambda sensor 244, atmospheric diffusion enters environment temperature sensor 211 and ambient humidity sensor 212, barometric pressure sensor 213, measure oxygen level and environmental parameter in the flue gas, (4～20mA) output to data processing unit 22 to produce standard signal respectively, described data processing unit 22 is through after handling accordingly, by A/D converter 231, utilize display 232 display result, print in the flue gases determination of moisture result and by a data transmission interface 234 transmission data by printer 233, described data transmission interface 234 and other host computer or the memory device (not shown) that is connected;
See also shown in Figure 3ly, it is the illustrative view of functional configuration of moisture auto testing instrument preferred embodiment three in the utility model flue gas, and it comprises: pre-process unit 34, environmental information collecting unit 31, data processing unit 32 and data output unit 33; Wherein, described pre-process unit 34 comprises: the heating sampling pipe 341 that connects in regular turn, condenser 342, aspiration pump 343, spinner-type flowmeter 344 and lambda sensor 345; Described environment collecting unit 31 is in order to gather environmental parameter, and it comprises: environment temperature sensor 311, ambient humidity sensor 312 and barometric pressure sensor 313; Described data processing unit 32 is a single-chip microcomputer, computing machine or embedded system one of them, it is connected with the lambda sensor 345 of environment temperature sensor 311, ambient humidity sensor 312, barometric pressure sensor 313 and described pre-process unit in the described environment collecting unit 31 respectively, and the reception environment supplemental characteristic is also handled data according to the preset program that is provided with; Described data output unit 33 is connected with described data processing unit 32, and it comprises A/D converter 331, itself and display 332, printer 333 one of them or be connected with both respectively; In order to export the result of described data processing unit 32; Described data output unit 33 is connected with described data processing unit 32, in order to export the result of described data processing unit 32;
The utility model is when work, extract flue gas by aspiration pump 343, particle is after the filtrate of heating sampling pipe 341 front ends is removed in the flue gas, be transported to condenser 342 by soft air-guide pipe, flue gas is after condenser 342 rapid condensation are removed moisture in the flue gas, enter aspiration pump 343, spinner-type flowmeter 344 enters lambda sensor 345 again; By lambda sensor 345, atmospheric diffusion enters environment temperature sensor 311 and ambient humidity sensor 312, atmosphere pressure sensor 313, measure oxygen level and environmental parameter in the flue gas, (4～20mA) output to data processing unit 32 to produce standard signal respectively, described data processing unit 32 is handled through A/D converter 331 by corresponding, by display 332 display result, print in the flue gases determination of moisture result and by a data transmission interface 334 transmission data by printer 333, described data transmission interface 334 and other host computer or the memory device (not shown) that is connected;
The technical indicator of the main components and parts of the utility model:
Lambda sensor: measurement range 0～25%, minimum division value is not more than 0.1%, zero point drift≤1.0%F.S. span drift≤1.0%F.S. linearity≤2.5%;
Environment temperature sensor: measurement range-20～60 ℃, degree of accuracy ± 1.5%, minimum division value are not more than 1 ℃;
The ambient humidity sensor: measurement range 0～100%RH, degree of accuracy ± 2.0%, minimum division value is not more than 1%RH;
Barometric pressure sensor: measurement range 80～110kPa, minimum division value is not more than 0.1kPa.
Spinner-type flowmeter: flow range 0～1.5L/min, degree of accuracy is not less than 2.5%, and flow rate fluctuation is in ± 10%.
Moisture auto testing instrument in the flue gas of employing the foregoing description, its technical indicator is:
1, moisture measurement scope: 0～35%;
2
a, zero point drift is better than 2.0%F.S.
3
a, span drift is better than 2.0%F.S.
4
a, linearity is better than 5%;
5, accuracy meets the requirement of national HJ/T76 " fume continuous monitoring system technical requirement of fixed-contamination source emission and detection method " standard, promptly when national standard method was measured moisture in the flue gas≤5%, the absolute error of this tester measurement result and standard method measurement result was≤1.5%; When national standard method is measured moisture in the flue gas＞5%, relative error≤± 25% of this tester measurement result and standard method measurement result.
Annotate: a refers to the technical indicator of this novel middle lambda sensor.
More than explanation is novel just illustrative for this; and it is nonrestrictive; those of ordinary skills understand; under the situation of the spirit and scope that do not break away from following claims and limited; can make many modifications; change, or equivalence, but all will fall in the protection domain of the present utility model.
Claims (12)
1. moisture auto testing instrument in the flue gas is characterized in that it comprises: environmental information collecting unit, data processing unit and data output unit; Described environmental information collecting unit is in order to gather oxygen and environmental parameter in the flue gas, and it comprises: lambda sensor, environment temperature sensor, ambient humidity sensor and barometric pressure sensor; It is connected described data processing unit with lambda sensor, environment temperature sensor, ambient humidity sensor and barometric pressure sensor in the described environmental information collecting unit respectively, receives in the flue gas oxygen and ambient parameter data and carries out preset program and handle; Described data output unit is connected with described data processing unit, in order to export the result of described data processing unit.
2. according to moisture auto testing instrument in the described flue gas of claim 1, it is characterized in that described data processing unit is single-chip microcomputer, computing machine or embedded system.
3. according to moisture auto testing instrument in the described flue gas of claim 1, it is characterized in that described data output unit comprises A/D converter, itself and display, printer one of them or be connected with both respectively.
4. according to moisture auto testing instrument in the described flue gas of claim 3, it is characterized in that described data output unit also comprises a data transmission interface, it is connected with other host computer or memory device.
5. moisture auto testing instrument in the flue gas is characterized in that it comprises: pre-process unit, environmental information collecting unit, data processing unit and data output unit; Wherein, described pre-process unit comprises: the heating sampling pipe, condenser, spinner-type flowmeter, lambda sensor and the aspiration pump that connect in regular turn; Described environmental information collecting unit is in order to gather environmental parameter, and it is environment temperature sensor, ambient humidity sensor and barometric pressure sensor; It is connected described data processing unit with the lambda sensor of environment temperature sensor, ambient humidity sensor, barometric pressure sensor and described pre-process unit in the described environmental information collecting unit respectively, receives in the flue gas oxygen and ambient parameter data and carries out preset program and handle; Described data output unit is connected with described data processing unit, in order to export the result of described data processing unit.
6. according to moisture auto testing instrument in the described flue gas of claim 5, it is characterized in that described data processing unit is single-chip microcomputer, computing machine or embedded system.
7. according to moisture auto testing instrument in the described flue gas of claim 5, it is characterized in that described data output unit comprises A/D converter, itself and display, printer one of them or be connected with both respectively.
8. according to moisture auto testing instrument in the described flue gas of claim 7, it is characterized in that described data output unit also comprises a data transmission interface, it is connected with other host computer or memory device.
9. moisture auto testing instrument in the flue gas is characterized in that it comprises: pre-process unit, environmental information collecting unit, data processing unit and data output unit; Wherein, described pre-process unit comprises: the heating sampling pipe, condenser, aspiration pump, spinner-type flowmeter and the lambda sensor that connect in regular turn; Described environmental information collecting unit is in order to gather environmental parameter, and it comprises: environment temperature sensor, ambient humidity sensor and barometric pressure sensor; It is connected described data processing unit with the lambda sensor of environment temperature sensor, ambient humidity sensor, barometric pressure sensor and described pre-process unit in the described environmental information collecting unit respectively, receives in the flue gas oxygen and ambient parameter data and carries out preset program and handle; Described data output unit is connected with described data processing unit, in order to export the result of described data processing unit.
10. according to moisture auto testing instrument in the described flue gas of claim 9, it is characterized in that described data processing unit is single-chip microcomputer, computing machine or embedded system.
11., it is characterized in that described data output unit comprises A/D converter according to moisture auto testing instrument in the described flue gas of claim 9, itself and display, printer one of them or be connected with both respectively.
12., it is characterized in that described data output unit also comprises a data transmission interface according to moisture auto testing instrument in the described flue gas of claim 11, it is connected with other host computer or memory device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201700923U CN201083746Y (en) | 2007-08-08 | 2007-08-08 | Flue gas moisture content automatic tester |
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|---|---|---|---|
| CNU2007201700923U CN201083746Y (en) | 2007-08-08 | 2007-08-08 | Flue gas moisture content automatic tester |
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|---|---|---|---|
| CNU2007201700923U Expired - Lifetime CN201083746Y (en) | 2007-08-08 | 2007-08-08 | Flue gas moisture content automatic tester |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102636622A (en) * | 2012-04-25 | 2012-08-15 | 山西埃尔气体***工程有限公司 | Wide-area oxygen concentration measurement method and realization device intelligent wide-area oxygen measurement instrument thereof |
| CN108535154A (en) * | 2018-01-26 | 2018-09-14 | 沈阳东大山汇环境科技有限公司 | A kind of detection device and method of smoke secondary pollutant |
-
2007
- 2007-08-08 CN CNU2007201700923U patent/CN201083746Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102636622A (en) * | 2012-04-25 | 2012-08-15 | 山西埃尔气体***工程有限公司 | Wide-area oxygen concentration measurement method and realization device intelligent wide-area oxygen measurement instrument thereof |
| CN102636622B (en) * | 2012-04-25 | 2014-10-15 | 山西埃尔气体***工程有限公司 | Wide-area oxygen concentration measurement method and realization device intelligent wide-area oxygen measurement instrument thereof |
| CN108535154A (en) * | 2018-01-26 | 2018-09-14 | 沈阳东大山汇环境科技有限公司 | A kind of detection device and method of smoke secondary pollutant |
| CN108535154B (en) * | 2018-01-26 | 2021-03-16 | 沈阳东大山汇环境科技有限公司 | Equipment and method for detecting secondary pollutants in flue gas |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080709 |