CN112945594A - Pressure testing device of ignition start-up pulverized coal burner - Google Patents
Pressure testing device of ignition start-up pulverized coal burner Download PDFInfo
- Publication number
- CN112945594A CN112945594A CN202110098348.9A CN202110098348A CN112945594A CN 112945594 A CN112945594 A CN 112945594A CN 202110098348 A CN202110098348 A CN 202110098348A CN 112945594 A CN112945594 A CN 112945594A
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- China
- Prior art keywords
- pressure
- buffer tank
- burner
- resistant buffer
- ignition start
- 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
- 238000012360 testing method Methods 0.000 title claims abstract description 26
- 239000003245 coal Substances 0.000 title claims abstract description 24
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 108
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 53
- 230000001681 protective effect Effects 0.000 claims abstract description 29
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000003546 flue gas Substances 0.000 claims abstract description 26
- 239000000523 sample Substances 0.000 claims abstract description 17
- 230000001105 regulatory effect Effects 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000011819 refractory material Substances 0.000 claims description 6
- 238000009530 blood pressure measurement Methods 0.000 claims 1
- 238000009529 body temperature measurement Methods 0.000 claims 1
- 238000002309 gasification Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/005—Testing of complete machines, e.g. washing-machines or mobile phones
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/46—Gasification of granular or pulverulent flues in suspension
- C10J3/48—Apparatus; Plants
- C10J3/50—Fuel charging devices
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/002—Thermal testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/008—Subject matter not provided for in other groups of this subclass by doing functionality tests
Abstract
The invention discloses a pressurized testing device of an ignition start-up pulverized coal burner, which comprises a burner cover, a pressure-resistant buffer tank, a protective nitrogen channel, a pressurized nitrogen input pipeline, a pressure regulating valve for regulating the pressure in the pressure-resistant buffer tank, a pressure sensor for detecting the pressure in the pressure-resistant buffer tank and a temperature sensor for detecting the temperature in the pressure-resistant buffer tank, wherein the pressure regulating valve is used for regulating the pressure in the pressure-resistant buffer tank; the burner cap is sleeved on a nozzle of the ignition and start-up integrated burner to be tested, the burner cap is inserted into a pressure-resistant buffer tank, an outlet of a protection nitrogen channel is inserted into the pressure-resistant buffer tank, a pressure-resistant camera probe is arranged in the outlet of the protection nitrogen channel, a pressurized nitrogen input pipeline is connected with the pressure-resistant buffer tank, a flue gas vent is arranged on the pressure-resistant buffer tank, and the device can test the ignition and start-up integrated burner under pressure before leaving a factory or being installed.
Description
Technical Field
The invention relates to a burner under-pressure testing device, in particular to an under-pressure testing device of a pulverized coal burner for ignition and start-up.
Background
Coal gasification is the mainstream gas making technology in the coal chemical industry at present, in a gasification furnace which is key equipment for coal gasification, an ignition and start-up integrated burner mainly completes the processes of ignition, temperature rise, pressure rise and coal feeding in the gasification furnace, from the current engineering practice, the ignition and start-up integrated burner is directly installed on the gasification furnace after leaving a factory, then the temperature rise and pressure rise debugging of the ignition and start-up integrated burner is carried out in the furnace, but because the flame sprayed by the ignition and start-up integrated burner is positioned in a hearth, the length and the color of the flame cannot be effectively observed, the stability, the strength and the rigidity of the flame cannot be determined, meanwhile, the flame is required to carry out fire detection, once the fire detection cannot be detected, the inconvenience is brought to the debugging of the ignition and start-up integrated burner, for example, the ignition, start-up and coal feeding sequential control program.
Therefore, it is necessary to design a system and a method, which can perform a pressure test before the ignition start-up integrated burner leaves the factory or before installation, so as to ensure that the burner can be normally debugged and stably operated.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a pressurized testing device of an ignition start-up pulverized coal burner, which can perform a simulated in-furnace environment temperature rise and pressure rise test on the ignition start-up integrated burner before delivery or installation so as to obtain parameters required by the process.
In order to achieve the purpose, the under-pressure testing device of the ignition start-up pulverized coal burner comprises a burner cover, a pressure-resistant buffer tank, a protective nitrogen channel, a pressurized nitrogen input pipeline, a pressure sensor for detecting the pressure in the pressure-resistant buffer tank and a temperature sensor for detecting the temperature in the pressure-resistant buffer tank;
the nozzle cover is sleeved on a nozzle of the ignition and start-up integrated nozzle to be tested, the nozzle cover is inserted into the pressure-resistant buffer tank, an outlet of the protective nitrogen channel is inserted into the pressure-resistant buffer tank, a pressure-resistant camera probe is arranged in the outlet of the protective nitrogen channel, the pressurized nitrogen input pipeline is connected with the pressure-resistant buffer tank, and a flue gas vent is arranged on the pressure-resistant buffer tank.
The flue gas emptying pipe is characterized by further comprising a flue gas emptying pipe, wherein the inner wall surface of the flue gas emptying pipe is coated with a refractory material or the pipe wall of the flue gas emptying pipe is of a water jacket structure, and the flue gas emptying pipe is communicated with the flue gas emptying port.
The flue gas blow-down pipe is provided with a pressure regulating valve, a temperature sensor and a pressure sensor.
The pressure regulating valve is of a water jacket structure.
The temperature measuring range of the temperature sensor is 0-2200 ℃, and the pressure measuring range of the pressure sensor is 0-15 MPa.
Still include the host computer, wherein, the host computer is connected with temperature sensor, pressure sensor and withstand voltage camera probe.
The burner cover is hermetically connected with the flange surface of the ignition and start-up integrated burner to be tested through bolts; the burner cover is fixedly and hermetically connected with the pressure-resistant buffer tank through bolts.
The inner wall of the pressure-resistant buffer tank is provided with a refractory material layer or the shell of the pressure-resistant buffer tank is provided with a water jacket structure.
The number of the protective nitrogen channels is multiple, wherein the outlet of one protective nitrogen channel is over against the nozzle of the ignition start-up integrated burner to be tested, and the other protective nitrogen channels are sequentially arranged along the circumferential direction and are obliquely distributed along the circumferential direction.
Electric valves are arranged on the protective nitrogen channel and the pressurized nitrogen input pipeline, and the upper computer is connected with the electric valves.
The invention has the following beneficial effects:
when the under-pressure testing device of the ignition start-up pulverized coal burner is in specific operation, nitrogen is introduced into the protective nitrogen channel, the pressure-resistant camera probe is positioned in the protective nitrogen channel, the pressure-resistant camera probe is cooled and protected by the nitrogen, and meanwhile, the pressure-resistant camera probe plays a role of air sealing, so that the normal work of the pressure-resistant camera probe is ensured, and the leakage of smoke is prevented. In addition, let in nitrogen gas through pressurized nitrogen gas input pipeline in to withstand voltage buffer tank, with the pressure in improving withstand voltage buffer tank, thereby the process of stepping up in the simulation stove, when the test, pressure in withstand voltage buffer tank passes through pressure regulating valve manual or automatic control, detect the image that awaits measuring ignition start worker integration nozzle blowout flame through withstand voltage camera probe, with the colour and the power of confirming flame, realize dispatching from the factory or before the installation to the point ignition start worker integration nozzle test of stepping up the temperature, moreover, the steam generator is simple in structure, high durability and convenient operation.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
The test device comprises a test-to-be-tested ignition start-up integrated burner, a burner cover 2, a pressure-resistant buffer tank 3, a protective nitrogen channel 4, a pressure-resistant camera probe 5, a pressure sensor 6, a temperature sensor 7, a pressurized nitrogen input pipeline 8, a flue gas blow-down pipe 9 and a pressure regulating valve 10.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings:
referring to fig. 1, the under-pressure testing device of the ignition start-up pulverized coal burner comprises a burner cover 2, a pressure-resistant buffer tank 3, a protective nitrogen channel 4, a pressurized nitrogen input pipeline 8, a pressure sensor 6 for detecting the pressure in the pressure-resistant buffer tank 3, and a temperature sensor 7 for detecting the temperature in the pressure-resistant buffer tank 3; the burner cover 2 is sleeved on a nozzle of the ignition start-up integrated burner 1 to be tested, the burner cover 2 is inserted into the pressure-resistant buffer tank 3, an outlet of the protective nitrogen channel 4 is inserted into the pressure-resistant buffer tank 3, a pressure-resistant camera probe 5 is arranged in the outlet of the protective nitrogen channel 4, the pressurized nitrogen input pipeline 8 is connected with the pressure-resistant buffer tank 3, and a flue gas vent is arranged on the pressure-resistant buffer tank 3.
Further, the invention also comprises a flue gas emptying pipe 9, the inner wall surface of the flue gas emptying pipe 9 is coated with refractory materials or the pipe wall is arranged to be a water jacket structure, so that high-temperature damage is avoided, and the flue gas emptying pipe 9 can resist high temperature of 0-2000 ℃ and can resist pressure of 0-10 MPa.
Flue gas blow-down pipe 9 is linked together with flue gas drain, is provided with pressure regulating valve 10, temperature sensor 7 and pressure sensor 6 on the flue gas blow-down pipe 9, can adjust the internal pressure of withstand voltage buffer tank 3 through pressure regulating valve 10, can monitor the inside pressure of withstand voltage buffer tank 3 through pressure sensor 6, can monitor the temperature of the inside flue gas of withstand voltage buffer tank 3 through temperature sensor 7.
Further, the pressure regulating valve 10 is of a water jacket structure, and damage of high-temperature smoke to the valve body is prevented. The temperature measuring range of the temperature sensor 7 is 0-2200 ℃, and the pressure measuring range of the pressure sensor 6 is 0-15 MPa.
Furthermore, the invention also comprises an upper computer, wherein the upper computer is connected with the temperature sensor 7, the pressure sensor 6 and the pressure-resistant camera probe 5, and a worker can observe the acquired temperature data, pressure data and images through the upper computer.
Further, the burner cover 2 is hermetically connected with a flange surface of the ignition start-up integrated burner to be tested through bolts; the burner cover 2 is fixedly and hermetically connected with the pressure-resistant buffer tank 3 through bolts so as to ensure that the pressure-resistant buffer tank is sealed and airtight.
Further, a refractory material layer is arranged on the inner wall of the pressure-resistant buffer tank 3, or the shell of the pressure-resistant buffer tank 3 is of a water jacket structure, so that the phenomenon that the temperature of the shell of the pressure-resistant buffer tank 3 is too high is avoided, and the pressure-resistant buffer tank 3 can resist high temperature of 0-2000 ℃ and can resist pressure of 0-10 MPa.
Furthermore, the number of the protective nitrogen channels 4 is multiple, wherein the outlet of one protective nitrogen channel 4 faces the nozzle of the ignition start-up integrated burner 1 to be tested, the other protective nitrogen channels 4 are sequentially arranged along the circumferential direction, the protective nitrogen channels 4 which are sequentially distributed along the circumferential direction are obliquely distributed, the inclination angle of the protective nitrogen channels and the vertical direction is 0-60 degrees, the angle of the flame which is detected by the pressure-resistant camera probe 5 is consistent with the inclination angle of the nitrogen channels 4, the flame is obtained from the face and the side, and signals of the flame existence and the intensity are transmitted to the DCS to serve as the basis for judging the success of ignition and start-up.
In addition, electric valves are arranged on the protective nitrogen channel 4 and the pressurized nitrogen input pipeline 8, and are controlled by an upper computer to realize remote control of introducing the protective nitrogen and the pressurized nitrogen.
The specific working process of the invention is as follows:
in the heating and boosting stage before coal feeding, nitrogen is introduced into the protective nitrogen channel 4, wherein the pressure-resistant camera probe 5 is positioned in the protective nitrogen channel 4, the pressure-resistant camera probe 5 is cooled and protected by the nitrogen and plays a role of air seal, in addition, the nitrogen is introduced into the pressure-resistant buffer tank 3 through the pressurized nitrogen input pipeline 8 so as to improve the pressure in the pressure-resistant buffer tank 3, during testing, the image of flame sprayed by the ignition and start-up integrated burner 1 to be tested is detected through the pressure-resistant camera probe 5 so as to determine the color and the intensity of the flame, and the signal of whether the flame is strong or weak is transmitted to DCS to serve as the judgment basis for the success of ignition and start-up. Meanwhile, temperature data in the pressure-resistant buffer tank 3 are detected through the temperature sensor 7, and pressure data in the pressure-resistant buffer tank 3 are detected through the pressure sensor 6, so that data support is provided for the working state of the ignition start-up integrated burner 1 to be tested. In addition, the hot flue gas in the pressure-resistant buffer tank 3 is finally discharged along the flue gas emptying pipe 9 under the control of the pressure regulating valve 10.
Claims (10)
1. The under-pressure testing device of the ignition start-up pulverized coal burner is characterized by comprising a burner cover (2), a pressure-resistant buffer tank (3), a protective nitrogen channel (4), a pressurized nitrogen input pipeline (8), a pressure sensor (6) for detecting the pressure in the pressure-resistant buffer tank (3) and a temperature sensor (7) for detecting the temperature in the pressure-resistant buffer tank (3);
the burner cover (2) is sleeved on a nozzle of the ignition start-up integrated burner (1) to be tested, the burner cover (2) is inserted into the pressure-resistant buffer tank (3), an outlet of the protection nitrogen channel (4) is inserted into the pressure-resistant buffer tank (3), a pressure-resistant camera probe (5) is arranged in the outlet of the protection nitrogen channel (4), a pressurized nitrogen input pipeline (8) is connected with the pressure-resistant buffer tank (3), and a flue gas vent is formed in the pressure-resistant buffer tank (3).
2. The under-pressure test device for the ignition start-up pulverized coal burner as claimed in claim 1, further comprising a flue gas vent pipe (9), wherein the inner wall surface of the flue gas vent pipe (9) is coated with a refractory material or the pipe wall is arranged in a water jacket structure, and the flue gas vent pipe (9) is communicated with the flue gas vent.
3. The under-pressure testing device of the ignition start-up pulverized coal burner as claimed in claim 3, wherein a pressure regulating valve (10), a temperature sensor (7) and a pressure sensor (6) are arranged on the flue gas blow-down pipe (9).
4. The device for testing the pressure of the ignition start-up pulverized coal burner according to claim 1, wherein the pressure regulating valve (10) is of a water jacket structure.
5. The under-pressure test device for the ignition start-up pulverized coal burner nozzle according to claim 1, wherein the temperature measurement range of the temperature sensor (7) is 0-2200 ℃, and the pressure measurement range of the pressure sensor (6) is 0-15 MPa.
6. The under-pressure testing device for the ignition start-up pulverized coal burner as claimed in claim 3, further comprising an upper computer, wherein the upper computer is connected with the temperature sensor (7), the pressure sensor (6) and the pressure-resistant camera probe (5).
7. The under-pressure test device of the ignition start-up pulverized coal burner as claimed in claim 1, wherein the burner cover (2) is hermetically connected with a flange surface of the ignition start-up integrated burner (1) to be tested through bolts; the burner nozzle cover (2) is fixedly and hermetically connected with the pressure-resistant buffer tank (3) through bolts.
8. The under-pressure test device of the ignition start-up pulverized coal burner as claimed in claim 1, wherein a refractory material layer is arranged on the inner wall of the pressure-resistant buffer tank (3) or a water jacket structure is arranged on the shell of the pressure-resistant buffer tank (3).
9. The under-pressure testing device for the ignition start-up pulverized coal burner as claimed in claim 1, wherein the number of the protective nitrogen channels (4) is multiple, wherein the outlet of one protective nitrogen channel (4) faces the nozzle of the ignition start-up integrated burner (1) to be tested, and the other protective nitrogen channels (4) are arranged in sequence along the circumferential direction and are distributed in an inclined manner along the circumferential direction of the protective nitrogen channels (4) which are distributed in sequence.
10. The under-pressure testing device for the ignition start-up pulverized coal burner as claimed in claim 6, wherein electric valves are arranged on the protective nitrogen channel (4) and the pressurized nitrogen input pipeline (8), and the upper computer is connected with the electric valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110098348.9A CN112945594A (en) | 2021-01-25 | 2021-01-25 | Pressure testing device of ignition start-up pulverized coal burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110098348.9A CN112945594A (en) | 2021-01-25 | 2021-01-25 | Pressure testing device of ignition start-up pulverized coal burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112945594A true CN112945594A (en) | 2021-06-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110098348.9A Pending CN112945594A (en) | 2021-01-25 | 2021-01-25 | Pressure testing device of ignition start-up pulverized coal burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112945594A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090153853A1 (en) * | 2007-12-12 | 2009-06-18 | Zelepouga Serguei A | Fiber optic spectroscopic digital imaging sensor and method for flame properties monitoring |
| CN201864705U (en) * | 2010-10-22 | 2011-06-15 | 濮阳龙宇化工有限责任公司 | Flame detection device of gasification furnace |
| CN102706459A (en) * | 2012-06-21 | 2012-10-03 | 华东理工大学 | Detection device and method for three-dimensional temperature field in combustion chamber of single-CCD imaging system |
| CN203337398U (en) * | 2013-06-14 | 2013-12-11 | 长沙恒威热能科技有限公司 | A combustor test furnace |
| CN107509050A (en) * | 2017-08-08 | 2017-12-22 | 航天长征化学工程股份有限公司 | Gasifier flame detecting system |
-
2021
- 2021-01-25 CN CN202110098348.9A patent/CN112945594A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090153853A1 (en) * | 2007-12-12 | 2009-06-18 | Zelepouga Serguei A | Fiber optic spectroscopic digital imaging sensor and method for flame properties monitoring |
| CN201864705U (en) * | 2010-10-22 | 2011-06-15 | 濮阳龙宇化工有限责任公司 | Flame detection device of gasification furnace |
| CN102706459A (en) * | 2012-06-21 | 2012-10-03 | 华东理工大学 | Detection device and method for three-dimensional temperature field in combustion chamber of single-CCD imaging system |
| CN203337398U (en) * | 2013-06-14 | 2013-12-11 | 长沙恒威热能科技有限公司 | A combustor test furnace |
| CN107509050A (en) * | 2017-08-08 | 2017-12-22 | 航天长征化学工程股份有限公司 | Gasifier flame detecting system |
Non-Patent Citations (4)
| Title |
|---|
| 刘春颖 等: "一种干煤粉气化组合烧嘴的改进及维修方案的探索", 《化工管理》 * |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20210611 |