CN210506217U - Test system for simulating high-temperature coke breeze conveying - Google Patents
Test system for simulating high-temperature coke breeze conveying Download PDFInfo
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- CN210506217U CN210506217U CN201921354566.9U CN201921354566U CN210506217U CN 210506217 U CN210506217 U CN 210506217U CN 201921354566 U CN201921354566 U CN 201921354566U CN 210506217 U CN210506217 U CN 210506217U
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- 239000000571 coke Substances 0.000 title claims abstract description 38
- 238000010438 heat treatment Methods 0.000 claims abstract description 74
- 239000000843 powder Substances 0.000 claims abstract description 23
- 239000000463 material Substances 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 18
- 239000004744 fabric Substances 0.000 claims abstract description 10
- 239000000446 fuel Substances 0.000 claims description 10
- 238000004880 explosion Methods 0.000 claims description 4
- 238000009825 accumulation Methods 0.000 claims description 2
- 239000002609 medium Substances 0.000 description 13
- 238000000197 pyrolysis Methods 0.000 description 7
- 239000003245 coal Substances 0.000 description 6
- 238000004088 simulation Methods 0.000 description 4
- 239000003034 coal gas Substances 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000006163 transport media Substances 0.000 description 2
- 239000011335 coal coke Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The utility model relates to a test system for simulating high-temperature coke breeze conveying, which comprises a heating cavity, a test observation section, a data acquisition system and the like; the powder feeder and the heating cavity are arranged from top to bottom, an outlet of the powder feeder is communicated with an inlet at the top of the heating cavity, the heating cavity is divided into 1 st to 6 th heating sections from top to bottom, each heating section adopts a temperature control heating pipe to control heating temperature, an outlet of a conveying medium bottle is communicated to the 6 th heating section of the heating cavity, one end of a test observation section is communicated to an outlet at the bottom of the heating cavity, the other end of the test observation section is communicated to an inlet of a cyclone material collector, an outlet of the cyclone material collector is communicated to an inlet of a cloth bag material collector, and an outlet of the cloth bag material; observation holes are formed in the 6 th-stage heating section and the test observation section of the heating cavity, thermocouples are installed at the observation holes, and data acquisition is carried out through a data acquisition system. The utility model discloses a process of accurate heating behind the accurate feed under earlier normal atmospheric temperature state.
Description
Technical Field
The utility model relates to a test system that simulation high temperature powdered coke carried, the security test research that specially adapted simulation high temperature thermal state fuel carried.
Background
The process is an effective way for realizing the graded and quality-divided utilization of the coal, and forms a unique circular economy industrial chain at home at present. Through the continuous efforts of related domestic enterprise units, the pulverized coal dry distillation process has application conditions at present. However, except for the production of high value-added tar products, coal gas and coke breeze accounting for about 70% of the coal gas cannot be efficiently utilized, a large amount of high-temperature coke breeze (above 500 ℃) can only be cooled to normal temperature firstly and then conveyed to a thermal power generating unit for combustion in a transportation mode, energy is consumed to cool the high-temperature coke breeze, and a large amount of high-temperature sensible heat of the high-temperature coke breeze is wasted due to white waste.
It is current research focus to fully couple fine coal pyrolysis device and thermal power unit, before mentioning the powder process system that the original equipment of thermal power unit before the fine coal pyrolysis device, directly send into the boiler with the pyrolysis coal gas that the fine coal pyrolysis device produced and burn as the tertiary air, these are comparatively ripe techniques, if can realize adopting the primary air of thermal power unit as transport medium, carry the high temperature powdered coke (more than 500 ℃) that the powdered coke pyrolysis device produced to the boiler internal combustion, will realize the degree of depth coupling of fine coal pyrolysis system and thermal power unit, form system effect. However, no research means is available in the aspects of safety such as medium for conveying high-temperature coke breeze, selection of conveying temperature and the like.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to the not enough of above-mentioned prior art, provide a test system that simulation high temperature powdered coke was carried to fill the blank of security aspects such as medium, transport temperature selection that high temperature powdered coke was carried.
The utility model discloses a following technical scheme realizes:
a test system for simulating high-temperature coke breeze conveying comprises a powder feeder, a temperature control heating pipe, a heating cavity, a conveying medium bottle, a test observation section, a cyclone material collector, a cloth bag material collector, an induced draft fan, a thermocouple and a data acquisition system; wherein,
the powder feeder and the heating cavity are arranged from top to bottom, an outlet of the powder feeder is communicated with an inlet at the top of the heating cavity, the heating cavity is divided into 1 st to 6 th heating sections from top to bottom, each heating section adopts a temperature control heating pipe to control heating temperature, an outlet of a conveying medium bottle is communicated to the 6 th heating section of the heating cavity, one end of a test observation section is communicated to an outlet at the bottom of the heating cavity, the other end of the test observation section is communicated to an inlet of a cyclone material collector, an outlet of the cyclone material collector is communicated to an inlet of a cloth bag material collector, and an outlet of the cloth bag material; observation holes are formed in the 6 th-stage heating section and the test observation section of the heating cavity, thermocouples are installed at the observation holes, and data acquisition is carried out through a data acquisition system.
The utility model discloses a further improvement lies in, still includes the powder storehouse for store fine coke or fuel, and send into the heating cavity through the powder feeder.
The utility model discloses further improvement lies in, and the exit linkage of carrying the medium bottle is provided with the flowmeter on the pipeline of heating cavity 6 th level heating section department.
The utility model discloses further improvement lies in, has all seted up the observation hole at 6 th level heating section department, experimental observation section department of heating cavity, and whether there is ignition, explosion and long-pending powder phenomenon in can observing high temperature powdered coke transportation process through the three observation holes of experimental observation section, through the temperature variation of the thermocouple record high temperature powdered coke transportation process that experimental observation section was arranged.
The utility model discloses following profitable technological effect has:
1. the utility model realizes the process of accurate feeding and accurate heating at normal temperature, and solves the feeding and metering problems existing in the conventional test process of heating first and then feeding powder under high temperature condition;
2. the utility model provides a through gather experimental observation section temperature data in real time, through observing the change condition among the hole real-time observation high temperature fuel transportation process and come the comprehensive judgement high temperature fuel transportation in-process catch fire, explosion, long-pending whitewashed state, the security of carrying is evaluated, simple technique, reliability height, have actual maneuverability.
Drawings
Fig. 1 is a schematic diagram of a test system for simulating high-temperature coke breeze conveying of the utility model.
Description of reference numerals:
1. a powder bin; 2. a powder feeder; 3. a temperature control heating pipe; 4. heating the cavity; 5. a delivery medium bottle; 6. a flow meter; 7. a test observation section; 8. an observation hole; 9. a cyclone material collector; 10. a cloth bag material collector; 11. an induced draft fan; 12. a thermocouple; 13. a data acquisition system.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
The schematic diagram of the utility model is shown in fig. 1, the technical key is as follows:
the utility model provides a pair of test system that simulation high temperature powdered coke was carried, including powder storehouse 1, powder feeder 2, control by temperature change heating pipe 3, heating cavity 4, transport medium bottle 5, flowmeter 6, experimental observation section 7, observation hole 8, whirlwind material collector 9, sack material collector 10, draught fan 11, thermocouple 12 and data acquisition system 13.
The utility model discloses a device test flow does: the coke breeze or fuel stored in the powder bin 1 is directly sent into a heating cavity 4 through a powder feeder 2, the heating cavity 4 is divided into 1 st to 6 th heating sections from top to bottom, the heating temperature of each heating section is controlled through a temperature control heating pipe 3, the coke breeze or fuel moves downwards in the heating cavity 4 due to gravity and is heated in the moving process, the required coke breeze control temperature is reached when the coke breeze or fuel reaches the 6 th heating section of the heating cavity 4, a conveying medium is introduced into the heating section, the oxygen content of the conveying medium is adjusted through a conveying medium bottle 5, the flow of the conveying medium is controlled through a flow meter 6, the high-temperature coke breeze is carried by the conveying medium to enter a test observation section 7, then the coke breeze or fuel enters a cyclone material collector 9 and a cloth bag material collector 10 in sequence to separate the coke breeze, and the conveying. Thermocouples 12 are respectively arranged in the three observation holes 8 at the 6 th stage heating section and the test observation section 7 of the heating cavity 4, and data acquisition is carried out through a data acquisition system 13.
Whether ignition, explosion and powder accumulation phenomena exist in the high-temperature coke breeze conveying process can be observed through the three observation holes 8 of the test observation section 7, the temperature change in the high-temperature coke breeze conveying process is recorded in detail through the thermocouples 12 arranged in the test observation section 7, and the conveying safety is evaluated.
The utility model discloses a protection scope as follows:
1. the heating of the coke breeze is realized through the heating cavity 4, and the accurate temperature control of the coke breeze is realized through the temperature control heating pipe 3 and the thermocouple arranged in the heating cavity 4;
2. the oxygen content and the flow of the conveying medium are controlled through the conveying medium bottle 5 and the flowmeter 6, and different conveying media and conveying concentrations are simulated;
3. the temperature change in the high-temperature coke breeze conveying process can be observed and recorded through the observation hole 8 of the test observation section 7 and the arranged thermocouple 12, and the conveying safety is evaluated.
Claims (4)
1. A test system for simulating high-temperature coke breeze conveying is characterized by comprising a powder feeder (2), a temperature control heating pipe (3), a heating cavity (4), a conveying medium bottle (5), a test observation section (7), a cyclone material collector (9), a cloth bag material collector (10), an induced draft fan (11), a thermocouple (12) and a data acquisition system (13); wherein,
the powder feeder (2) and the heating cavity (4) are arranged from top to bottom, an outlet of the powder feeder (2) is communicated with a top inlet of the heating cavity (4), the heating cavity (4) is divided into 1 st to 6 th heating sections from top to bottom, heating temperature is controlled by each heating section through a temperature control heating pipe (3), an outlet of a conveying medium bottle (5) is communicated to a 6 th heating section of the heating cavity (4), one end of a test observation section (7) is communicated to a bottom outlet of the heating cavity (4), the other end of the test observation section is communicated to an inlet of a cyclone material collector (9), an outlet of the cyclone material collector (9) is communicated to an inlet of a cloth bag material collector (10), and an outlet of the cloth bag material collector (10) is communicated to an inlet of a draught fan (; observation holes (8) are formed in the 6 th-stage heating section and the test observation section (7) of the heating cavity (4), thermocouples (12) are installed in the observation holes (8), and data acquisition is carried out through a data acquisition system (13).
2. A test system for simulating the transportation of fine coke at high temperature in accordance with claim 1, further comprising a powder bin (1) for storing the fine coke or fuel and feeding the fine coke or fuel into the heating chamber (4) through a powder feeder (2).
3. The test system for simulating the transportation of the high-temperature coke breeze as claimed in claim 1, wherein a flow meter (6) is arranged on a pipeline connecting an outlet of the transportation medium bottle (5) to the 6 th heating section of the heating cavity (4).
4. The test system for simulating the transportation of the high-temperature coke breeze according to claim 1, wherein observation holes (8) are formed in the 6 th-stage heating section and the test observation section of the heating cavity (4), whether ignition, explosion and powder accumulation phenomena exist in the transportation process of the high-temperature coke breeze can be observed through the three observation holes (8) of the test observation section (7), and the thermocouple (12) arranged in the test observation section (7) records the temperature change in the transportation process of the high-temperature coke breeze.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921354566.9U CN210506217U (en) | 2019-08-20 | 2019-08-20 | Test system for simulating high-temperature coke breeze conveying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921354566.9U CN210506217U (en) | 2019-08-20 | 2019-08-20 | Test system for simulating high-temperature coke breeze conveying |
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| Publication Number | Publication Date |
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| CN210506217U true CN210506217U (en) | 2020-05-12 |
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| CN201921354566.9U Active CN210506217U (en) | 2019-08-20 | 2019-08-20 | Test system for simulating high-temperature coke breeze conveying |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110408417A (en) * | 2019-08-20 | 2019-11-05 | 西安热工研究院有限公司 | A kind of pilot system of simulation high temperature coke breeze conveying |
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2019
- 2019-08-20 CN CN201921354566.9U patent/CN210506217U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110408417A (en) * | 2019-08-20 | 2019-11-05 | 西安热工研究院有限公司 | A kind of pilot system of simulation high temperature coke breeze conveying |
| CN110408417B (en) * | 2019-08-20 | 2024-05-28 | 西安热工研究院有限公司 | Test system for simulating high-temperature coke breeze conveying |
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