CN102103024B - Device and method for measuring hearth temperature of coal gasification furnace with double-layer furnace body - Google Patents
Device and method for measuring hearth temperature of coal gasification furnace with double-layer furnace body Download PDFInfo
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- CN102103024B CN102103024B CN201010152799.8A CN201010152799A CN102103024B CN 102103024 B CN102103024 B CN 102103024B CN 201010152799 A CN201010152799 A CN 201010152799A CN 102103024 B CN102103024 B CN 102103024B
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Abstract
The invention provides a device and method for measuring the hearth temperature of a coal gasification furnace with a double-layer furnace body. In the device provided by the invention, a sensor fixing piece is installed on an inner furnace wall; the ends of a temperature measuring sensor are fixed on the sensor fixing piece after being arranged in an inner hearth; an outer furnace wall flange hole is formed on an outer furnace wall; a flange is connected with the outer furnace wall flange hole; an electric connector is assembled on the flange; after a sensor compensating line which is connected to the tail end of the temperature measuring sensor passes through the outer furnace wall, the positive and negative ends of the sensor compensating line are respectively connected with two plugs; the two plugs are fixed on the electric connector and connected with conducting lines in the electric connector; the temperature change in the inner hearth is converted into electric signals capable of being measured through the temperature measuring sensor and input into the electric connector through the sensor compensating line; and the signals are transmitted to a temperature measuring circuit outside the furnace body through an outgoing line of the electric connector to be measured. The device and method provided by the invention have the advantages of high response speed, high accuracy and long service life, guarantees the reliability and guarantees the stability and accuracy of signal transmission.
Description
Technical field
The present invention relates to the measuring method of gasification furnace fire box temperature, be specifically related to a kind of measuring method and device with coal gasifier fire box temperature of double-layer furnace body.
Background technology
The structure of common coal gasifier is that body of heater is the individual layer body of heater, at furnace body inside refractory insulating layer is set, and the measuring method of this type of coal gasifier fire box temperature is, on furnace shell, opens a thermometer hole, temperature probe is directly inserted thermometer hole measure.The structure of space flight powder coal gasification furnace burner hearth is a double-decker, has promptly added one deck ring cavity protective seam in the outside of inner chamber, and concrete structure can be referring to patent " a kind of environmental-protection combustible powder clean gasifying apparatus " (application number be 200510053511.0).When this double-layer furnace body coal gasifier was measured fire box temperature, inner chamber must be isolated with the ring cavity protective seam, can not be blank, prevent that burner hearth high temperature from sealing in the ring cavity protective seam.Therefore, traditional burner hearth temp measuring method can not refer in such gasification furnace, must have a kind of burner hearth temp measuring method and device of diverse form to measure fire box temperature.
Summary of the invention
The object of the present invention is to provide a kind of device and method that coal gasifier fire box temperature with double-layer furnace body is measured accurately and reliably.
The measurement mechanism of a kind of double-layer furnace body coal gasifier fire box temperature of the present invention; It comprises a temperature probe; Temperature probe is fixed on the internal protecting wall through the sensor fixture; Positive and negative terminal was connected with two plugs respectively after the sensor compensation line that the temperature probe tail end connects passed outer furnace wall, and two plugs are fixed on the electric connector and with the electric connector inside conductor and are connected; Electric connector is fixed on the ring flange that docks with the outer furnace wall flange hole, and the electric connector tail end has extension line.
The measurement mechanism of aforesaid a kind of double-layer furnace body coal gasifier fire box temperature, its described sensor fixture is fixed on the internal protecting wall through welding or being threaded.
The measurement mechanism of aforesaid a kind of double-layer furnace body coal gasifier fire box temperature, the temperature-sensing element of its described temperature probe adopts Wolfram rhenium heat electric couple or platinum rhodium-platinum thermocouple; Described sensor compensation line adopts the thermo wires line identical with thermopair or the compensating wire of thermopair.
The measurement mechanism of aforesaid a kind of double-layer furnace body coal gasifier fire box temperature, its described electric connector welds or is threaded and is fixed on the ring flange.
The measuring method of a kind of double-layer furnace body coal gasifier fire box temperature of the present invention, it comprises the steps:
(a) a sensor fixture is housed on internal protecting wall, is fixed on the sensor fixture after the temperature probe end is placed internal furnace;
(b) an outer furnace wall flange hole is set on outer furnace wall; Ring flange connects the outer furnace wall flange hole; Electric connector of assembling on ring flange; Positive and negative terminal connected two plugs respectively after the sensor compensation line that the temperature probe tail end connects passed outer furnace wall, and two plugs are fixed on the electric connector and with the electric connector inside conductor and are connected;
(c) through temperature probe the temperature variation in the internal furnace is transformed to measurable electric signal and inputs to electric connector, the temperature measurement circuit that signal reaches outside the body of heater is measured through the extension line of electric connector through the sensor compensation line.
Effect of the present invention is: the invention solves the not problem of the fire box temperature of energy measurement double-layer furnace body coal gasifier of prior art, a kind of device and method that coal gasifier fire box temperature with double-layer furnace body is measured accurately and reliably is provided.Not only the thermometric response speed is fast, precision is high for apparatus of the present invention, reliability is guaranteed, and long service life, has guaranteed the stability and the accuracy of signal transmission.
Description of drawings
Fig. 1 is the measurement mechanism structural representation of double-layer furnace body coal gasifier fire box temperature.
Among the figure: 1. temperature probe; 2. sensor fixture; 3. internal protecting wall; 4. back tightening nut; 5. sensor compensation line; 6. outer furnace wall flange hole; 7. plug; 8. electric connector; 9. ring flange; 10. extension line.
Embodiment
Further describe below in conjunction with accompanying drawing and specific embodiment measurement mechanism and method double-layer furnace body coal gasifier fire box temperature of the present invention.
As shown in Figure 1; The measurement mechanism of double-layer furnace body coal gasifier fire box temperature of the present invention; It comprises a temperature probe 1; Temperature probe 1 is fixed on the internal protecting wall 3 through sensor fixture 2, and positive and negative terminal was connected with two plugs 7 respectively after the sensor compensation line 5 that temperature probe 5 tail ends connect passed outer furnace wall, and two plugs 7 are fixed on the electric connector 8 and with electric connector 8 inside conductors and are connected; Electric connector 8 is fixed on the ring flange 9 that docks with outer furnace wall flange hole 6, and electric connector 8 tail end extension lines 10 connect temperature device.
A kind of double-layer furnace body coal gasifier fire box temperature measuring method of the present invention, it comprises the steps:
(a) a sensor fixture 2 is housed on internal protecting wall 3, is fixed on the sensor fixture 2 after temperature probe 1 end is placed internal furnace;
(b) an outer furnace wall flange hole 6 is set on outer furnace wall; Ring flange 9 connects outer furnace wall flange hole 6; Electric connector 8 of assembling on ring flange 9; The sensor compensation line 5 that temperature probe 1 tail end connects passes behind the outer furnace wall positive and negative terminal and connects 7, two plugs 7 of two plugs respectively and be fixed on the electric connector 8 and with electric connector 8 inside conductors and be connected;
(c) through temperature probe 1 temperature variation in the internal furnace is transformed to measurable electric signal and inputs to electric connector 8 through sensor compensation line 5, the extension line 10 through electric connector 8 reaches body of heater with signal and measures outward.
The above-mentioned sensor fixture 2 that is loaded on the internal protecting wall 3 be with have sufficient intensity, satisfy metal or the nonmetallic materials that environment for use requires and process, its structure must satisfy that the interior outside for internal protecting wall is sealing and isolates behind the assembling temperature probe.The fit of sensor fixture 2 on internal protecting wall can be welding, is threaded or connected mode that other are firm.
The temperature-sensing element of above-mentioned temperature probe 1 can use Wolfram rhenium heat electric couple, and platinum rhodium-platinum thermocouple or other satisfy 1800 ℃ of requirements of thermometric, can the internal furnace temperature variation be converted to the temperature element of other signals.Temperature probe 1 is also replaceable to be the invention of applying for the same period of the present invention " a kind of composite tube type high-temperature thermocouple ".
The sensor compensating line 5 can use the thermo wires line identical with thermopair or the compensating wire of thermopair.Sensor compensation line 5 can coat with high-temperature insulation material, outside insulating coating, also can add the cover metal sleeve and protect.
Above-mentionedly at ring flange 9 electric connector 8 is installed, mounting means can be welding, be threaded or other can guarantee firmly, seal, tolerate the high pressure that is not less than 4Mpa, tolerate other connected modes that are not less than 300 ℃ of high temperature.The also replaceable invention of applying for the same period for the applicant of electric connector 8 among the present invention " is applicable to the signal connection device of high-temperature and high-pressure conditions ".
Claims (4)
1. the measurement mechanism of a double-layer furnace body coal gasifier fire box temperature; It is characterized in that: this device comprises a temperature probe (1); Temperature probe (1) is fixed on the internal protecting wall (3) through sensor fixture (2), and described sensor fixture (2) is fixed on the internal protecting wall (3) through welding or being threaded; Positive and negative terminal was connected with two plugs (7) respectively after the sensor compensation line (5) that temperature probe (1) tail end connects passed outer furnace wall, and two plugs (7) are fixed on electric connector (8) and upward and with electric connector (8) inside conductor are connected; Electric connector (8) is fixed on the ring flange (9) that docks with outer furnace wall flange hole (6), and electric connector (8) tail end has extension line (10).
2. the measurement mechanism of a kind of double-layer furnace body coal gasifier fire box temperature according to claim 1 is characterized in that: the temperature-sensing element of described temperature probe (1) adopts Wolfram rhenium heat electric couple or platinum rhodium-platinum thermocouple; Described sensor compensation line (5) adopts the thermo wires line identical with thermopair or the compensating wire of thermopair.
3. the measurement mechanism of a kind of double-layer furnace body coal gasifier fire box temperature according to claim 1 is characterized in that: described electric connector (8) welds or is threaded and is fixed on the ring flange (9).
4. the measuring method of a double-layer furnace body coal gasifier fire box temperature, it is characterized in that: it comprises the steps:
(a) a sensor fixture (2) is housed on internal protecting wall (3), is fixed on the sensor fixture (2) after temperature probe (1) end is placed internal furnace;
(b) an outer furnace wall flange hole (6) is set on outer furnace wall; Ring flange (9) connects outer furnace wall flange hole (6); Go up an assembling electric connector (8) at ring flange (9); Positive and negative terminal connected two plugs (7) respectively after the sensor compensation line (5) that temperature probe (1) tail end connects passed outer furnace wall, and two plugs (7) are fixed on electric connector (8) and upward and with electric connector (8) inside conductor are connected;
(c) through temperature probe (1) temperature variation in the internal furnace is transformed to measurable electric signal and inputs to electric connector (8), the temperature measurement circuit that signal reaches outside the body of heater is measured through the extension line (10) of electric connector (8) through sensor compensation line (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010152799.8A CN102103024B (en) | 2010-04-22 | 2010-04-22 | Device and method for measuring hearth temperature of coal gasification furnace with double-layer furnace body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010152799.8A CN102103024B (en) | 2010-04-22 | 2010-04-22 | Device and method for measuring hearth temperature of coal gasification furnace with double-layer furnace body |
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| Publication Number | Publication Date |
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| CN102103024A CN102103024A (en) | 2011-06-22 |
| CN102103024B true CN102103024B (en) | 2012-10-10 |
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| CN201010152799.8A Active CN102103024B (en) | 2010-04-22 | 2010-04-22 | Device and method for measuring hearth temperature of coal gasification furnace with double-layer furnace body |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104087344B (en) * | 2014-05-05 | 2016-04-13 | 董金国 | A kind of entrained flow gasifying furnace bore temperature measuring method and system |
| CN104501204B (en) * | 2014-12-19 | 2017-05-24 | 兰溪市田农新能源科技有限公司 | Temperature induction device for bio-particle boiler |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN88211165U (en) * | 1988-03-21 | 1988-11-02 | 江苏省化工设计院 | Direct and continous thermometric device in gas generator |
| CN2901268Y (en) * | 2006-02-09 | 2007-05-16 | 乐清市伦特电子仪表有限公司 | Hearth thermocouple |
| CN200989831Y (en) * | 2006-12-27 | 2007-12-12 | 重庆仪表材料研究所 | High-temperature and high-voltage resisting electric thermo-couple for coal gasification furnace |
| CN201754111U (en) * | 2010-04-22 | 2011-03-02 | 北京航天计量测试技术研究所 | Temperature measuring device for hearth of double-layer coal gasification furnace |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4504509B2 (en) * | 2000-05-11 | 2010-07-14 | 日本フェンオール株式会社 | Temperature measuring device |
| JP2003057119A (en) * | 2001-08-20 | 2003-02-26 | Babcock Hitachi Kk | Gasification furnace provided with temperature measuring device |
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2010
- 2010-04-22 CN CN201010152799.8A patent/CN102103024B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN88211165U (en) * | 1988-03-21 | 1988-11-02 | 江苏省化工设计院 | Direct and continous thermometric device in gas generator |
| CN2901268Y (en) * | 2006-02-09 | 2007-05-16 | 乐清市伦特电子仪表有限公司 | Hearth thermocouple |
| CN200989831Y (en) * | 2006-12-27 | 2007-12-12 | 重庆仪表材料研究所 | High-temperature and high-voltage resisting electric thermo-couple for coal gasification furnace |
| CN201754111U (en) * | 2010-04-22 | 2011-03-02 | 北京航天计量测试技术研究所 | Temperature measuring device for hearth of double-layer coal gasification furnace |
Non-Patent Citations (2)
| Title |
|---|
| JP特开2001-318006A 2001.11.16 |
| JP特开2003-57119A 2003.02.26 |
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| CN102103024A (en) | 2011-06-22 |
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