CN202082916U - Oxygen oil-free ignition and combustion device - Google Patents
Oxygen oil-free ignition and combustion device Download PDFInfo
- Publication number
- CN202082916U CN202082916U CN2011201643043U CN201120164304U CN202082916U CN 202082916 U CN202082916 U CN 202082916U CN 2011201643043 U CN2011201643043 U CN 2011201643043U CN 201120164304 U CN201120164304 U CN 201120164304U CN 202082916 U CN202082916 U CN 202082916U
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- oxygen
- tube
- heating tube
- combustion apparatus
- ignition combustion
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- 239000001301 oxygen Substances 0.000 title claims abstract description 157
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 157
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 156
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 55
- 238000010438 heat treatment Methods 0.000 claims abstract description 83
- 239000003245 coal Substances 0.000 claims abstract description 19
- 239000002817 coal dust Substances 0.000 claims description 10
- 238000010304 firing Methods 0.000 claims description 9
- 239000000919 ceramic Substances 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 4
- 239000012141 concentrate Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 229910052573 porcelain Inorganic materials 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000000295 fuel oil Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 150000002926 oxygen Chemical class 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
Images
Abstract
The utility model relates to an oxygen oil-free ignition and combustion device, which includes a combustor main body (101) and a first stage combustion cylinder (102), wherein the first stage combustion cylinder is fixed in the combustor main body. The oxygen oil-free ignition and combustion device is characterized by further including an oxygen heating pipe (103), an oxygen heating source (104), an oxygen pipeline (105) and an oxygen source (106), wherein the first stage combustion cylinder is connected with the outside of the oxygen heating pipe in series and positioned at an outlet at one end of the oxygen heating pipe, and the end of the oxygen heating pipe extends into the first stage combustion cylinder for a certain distance; the other end of the oxygen heating pipe is connected with the oxygen heating source; the oxygen source is connected with the other end of the oxygen heating pipe through the oxygen pipeline and used for supplying oxygen for the oxygen heating pipe; and the oxygen heated by the oxygen heating pipe is used for igniting pulverized coal airflow in the first stage combustion cylinder. On the premise that the cost is reduced and the reliability is improved, the oxygen oil-free ignition and combustion device reduces fuel oil consumption of power plants and improves economical efficiency of machine sets.
Description
Technical field
The utility model relates to a kind of coal powder boiler combustion technology, relates in particular to a kind of oxygen oilless ignition combustion apparatus, belongs to the boiler accessory machinery field.
Background technology
Pulverized-coal fired boiler is in a lot of industry extensive uses, at some large-scale firepower electrical plants capital equipment that more is absolutely necessary.China is a few country of coal heavy wool, and annual Imported oil amount is big, and increases year by year.In order to solve increasingly serious oil supply, necessary some practical ways of seeking reduce China's oil use amounts or seek the use of alternative minimizing oil.
At present, extensive using plasma non-oil ignition technology also have a small amount of power plant to adopt the high temperature air firing technique, but above-mentioned two kinds of forms all has certain defective, plasma non-oil ignition technological system more complicated, and maintenance is big; It is little that the high temperature air firing technique adapts to the coal scope, can not satisfy the boiler ignition start requirement under the situation of power plant coal quality fluctuation.
The utility model content
The purpose of this utility model is, a kind of high-temperature oxygen oilless ignition combustion apparatus is provided, and is implemented in to reduce cost by this oxygen oilless ignition combustion apparatus and improves under the prerequisite of reliability, reduces power plant's fuel consume, improves unit economy.
To achieve these goals, the oxygen oilless ignition combustion apparatus that the utility model provides comprises: burner body and one-level combustion barrel at least, wherein, the first-stage burning tube is fixed on the inside of burner body, it is characterized in that: this oilless ignition combustion apparatus also comprises oxygen heating tube, oxygen heating thermal source, oxygen pipeline and source of oxygen; Wherein, at the outside of oxygen heating tube serial connection first-stage burning tube, first-stage burning tube certain distance is stretched in the outlet that is positioned at oxygen heating tube one end; The other end of oxygen heating tube is connected with oxygen heating thermal source, source of oxygen is connected with this other end of oxygen heating tube by oxygen pipeline, be used to the oxygen heating tube to supply with oxygen, by the heated oxygen of oxygen heating tube firing coal-dust airflow in the first-stage burning tube.
Preferably, the oxygen heating tube adopts oxidation-resistant material to make, and prevents high-temperature oxygen and its combustion reaction.By oxygen heating thermal source heating oxygen heating tube, heat oxygen by the oxygen heating tube.Source of oxygen is sent to the oxygen heating tube by oxygen pipeline with oxygen, and the oxygen feed flow can control to adjust.
Preferably, the oxygen heating tube adopts the porcelain bushing structure, in ceramic inside electric heater unit is housed.By electricity with ceramic heat, thereby the heating oxygen.Can also adopt the oxygen heating tube of other types to realize the heating of oxygen.Be provided with tube panel or rib structure in oxygen heating tube inboard, the heating of enriched with oxygen; Also can adopt coil arrangement heating oxygen.
Preferably, temperature measuring equipment is set, in order to measure the oxygen temperature of outlet in the exit of oxygen heating tube.This temperature is controlled at 200-1000 ℃, can adjusts the outlet oxygen temperature, thereby realize economical operation according to the characteristic of fire coal.At this, the temperature of high-temperature oxygen is generally 200-1000 ℃, thereby can realize firing coal-dust.
Preferably, be provided with water conservancy diversion in burner body and the inlet that the powder feeding pipeline is connected and concentrate plate, be used for concentrating coal dust, make high concentration pulverized coal enter the first-stage burning tube, thus overheavy firing.
Preferably, described oxygen oilless ignition combustion apparatus also comprises second level combustion barrel, second level combustion barrel is fixed on the inside of burner body, and at the serial connection second level, the outside of first-stage burning tube combustion barrel, the first-stage burning tube stretches into 20-50mm in the combustion barrel of the second level.
Preferably, described first-stage burning tube and/or second level combustion barrel are designed to the Pulverized Coal Concentration device.About the Pulverized Coal Concentration device, can adopt the Pulverized Coal Concentration device of in Chinese patent ZL200920145979.6, describing in detail in the present invention; Also can adopt other forms of Pulverized Coal Concentration device.
Preferably, the oxygen heating tube can adopt axial arranged form, and promptly oxygen heating tube and first-stage burning tube are arranged coaxially, also can adopt the radial arrangement form, i.e. angled, the preferred vertical ground layout of oxygen heating tube and first-stage burning tube.
In a word, good effect of the present utility model is:
The utility model is heated into high-temperature gas by adopting heater with cheap oxygen, and the oxygen by high temperature comes firing coal-dust, oxygen also helps the burning of coal dust simultaneously, thereby realize the non-oil ignition of coal dust, thereby reduce the fuel consume of unit, realize the energy-saving and cost-reducing of unit.
Description of drawings
Below in conjunction with accompanying drawing to being described in detail, to provide other features and advantages of the utility model according to embodiment of the present utility model.In the accompanying drawing:
Fig. 1 has provided the schematic diagram of the oxygen oilless ignition combustion apparatus of an embodiment of the utility model;
Fig. 2 has provided the schematic diagram of the oxygen oilless ignition combustion apparatus of another embodiment of the utility model.
The specific embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present utility model is described in detail.
Fig. 1 has provided the schematic diagram of the high-temperature oxygen oilless ignition combustion apparatus of an embodiment of the utility model.As shown in Figure 1, this high-temperature oxygen oilless ignition combustion apparatus comprises: burner body 101, first-stage burning tube 102, oxygen heating tube 103, oxygen heating thermal source 104, oxygen pipeline 105 and source of oxygen 106, wherein, first-stage burning tube 102 preferably is fixed on the inside of burner body 101 coaxially, is convenient to replacing thereby preferably fix in detachable mode; Wherein, at the outside of oxygen heating tube 103 serial connection first-stage burning tube 102, first-stage burning tube 102 certain distances are stretched in the outlet that is positioned at oxygen heating tube 103 1 ends; The other end of oxygen heating tube 103 is connected with oxygen heating thermal source 104, source of oxygen 106 is connected with this other end of oxygen heating tube 103 by oxygen pipeline 105, be used for oxygen is sent into oxygen heating tube 103, by oxygen heating tube 103 heated oxygen firing coal-dust airflow in first-stage burning tube 102.The oxygen feed flow can control to adjust; Oxygen heating tube 103 adopts oxidation-resistant material to make, and prevents high-temperature oxygen and its combustion reaction.By oxygen heating thermal source 104 heating oxygen heating tubes 103, heat oxygen by oxygen heating tube 103.
In this embodiment, this oxygen heating tube 103 adopts axial arranged form shown in Figure 1, and promptly oxygen heating tube 103 is arranged coaxially with first-stage burning tube 102.
When boiler startup, start oxygen heating thermal source 104, with 103 heating of oxygen heating tube, open source of oxygen 106, by oxygen pipeline 105 oxygen is sent in the oxygen heating tube 103 and heats; High-temperature oxygen after the heating be sent to first-stage burning tube 102, with contact through a wind thick coal culm after the concentrating and separating, thereby ignite thick coal culm, the coal dust that ignites continues intrinsic other coal dusts of ignition burner, thereby realizes the non-oil ignition of burner.
When boiler low load stable combustion, also can drop into the nothing oil stable operation of high-temperature oxygen-enriched realization unit according to above-mentioned steps.
Can be furnished with the oxygen flow measurement mechanism on this device, source of oxygen 106 can adopt various ways, as forms such as configuration oxygen station, installation oxygen tank or employing tank cars.
Be provided with water conservancy diversion in burner body 101 and the inlet that the powder feeding pipeline is connected and concentrate plate 107, be used for concentrating coal dust, make high concentration pulverized coal enter first-stage burning tube 102, thus overheavy firing.
Fig. 2 has provided the schematic diagram of the high-temperature oxygen oilless ignition combustion apparatus of another embodiment of the utility model.As shown in Figure 2, the oxygen oilless ignition combustion apparatus also comprises second level combustion barrel 109, second level combustion barrel is fixed on the inside of burner body 101, outside at first-stage burning tube 102 preferably is connected in series second level combustion barrel 109 coaxially, and first-stage burning tube 102 stretches into 20-50mm in the second level combustion barrel 109.
In this embodiment, this oxygen heating tube 103 adopts radial arrangement form shown in Figure 2, i.e. oxygen heating tube 103, preferred vertical ground layout angled with the first-stage burning tube.
In the utility model, first-stage burning tube and/or second level combustion barrel can be designed to the Pulverized Coal Concentration device.
Claims (10)
1. oxygen oilless ignition combustion apparatus, comprise: burner body (101) and one-level combustion barrel (102) at least, wherein, first-stage burning tube (102) is fixed on the inside of burner body (101), it is characterized in that: this oilless ignition combustion apparatus also comprises oxygen heating tube (103), oxygen heating thermal source (104), oxygen pipeline (105) and source of oxygen (106); Wherein, at the outside of oxygen heating tube (103) serial connection first-stage burning tube (102), first-stage burning tube (102) certain distance is stretched in the outlet that is positioned at oxygen heating tube (103) one ends; The other end of oxygen heating tube (103) is connected with oxygen heating thermal source (104), source of oxygen (106) is connected with this other end of oxygen heating tube (103) by oxygen pipeline (105), be used to oxygen heating tube (103) to supply with oxygen, by the heated oxygen of oxygen heating tube (103) firing coal-dust airflow in first-stage burning tube (102).
2. oxygen oilless ignition combustion apparatus as claimed in claim 1 is characterized in that, oxygen heating tube (103) adopts oxidation-resistant material to make.
3. oxygen oilless ignition combustion apparatus as claimed in claim 1 is characterized in that, described oxygen heating tube (103) adopts coil arrangement, perhaps adopts the porcelain bushing structure, in ceramic inside electric heater unit is housed.
4. oxygen oilless ignition combustion apparatus as claimed in claim 3 is characterized in that, is provided with tube panel or rib structure in oxygen heating tube (103) inboard.
5. oxygen oilless ignition combustion apparatus as claimed in claim 1 is characterized in that, temperature measuring equipment (108) is set in the exit of oxygen heating tube, in order to measure the oxygen temperature of outlet.
6. oxygen oilless ignition combustion apparatus as claimed in claim 1 is characterized in that, is provided with water conservancy diversion in burner body (101) and the inlet that the powder feeding pipeline is connected and concentrates plate (107).
7. oxygen oilless ignition combustion apparatus as claimed in claim 1, it is characterized in that, described oxygen oilless ignition combustion apparatus also comprises second level combustion barrel (109), second level combustion barrel (109) is fixed on the inside of burner body (101), at the outside of first-stage burning tube (102) serial connection second level combustion barrel (109), first-stage burning tube (102) stretches into the interior 20-50mm of second level combustion barrel (109).
8. as claim 1 or 7 described oxygen oilless ignition combustion apparatus, it is characterized in that described first-stage burning tube (102) and/or second level combustion barrel are designed to the Pulverized Coal Concentration device.
9. as one of claim 1 to 7 described oxygen oilless ignition combustion apparatus, it is characterized in that, described oxygen heating tube (103) and first-stage burning tube (102) arrange coaxially, perhaps oxygen heating tube (103) and the angled layout of first-stage burning tube (102).
10. oxygen oilless ignition combustion apparatus as claimed in claim 9 is characterized in that, described oxygen heating tube (103) is vertically arranged with first-stage burning tube (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201643043U CN202082916U (en) | 2011-05-23 | 2011-05-23 | Oxygen oil-free ignition and combustion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201643043U CN202082916U (en) | 2011-05-23 | 2011-05-23 | Oxygen oil-free ignition and combustion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202082916U true CN202082916U (en) | 2011-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201643043U Expired - Lifetime CN202082916U (en) | 2011-05-23 | 2011-05-23 | Oxygen oil-free ignition and combustion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202082916U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102494337A (en) * | 2011-12-26 | 2012-06-13 | 上海锅炉厂有限公司 | Plasma oil-free ignition staged combustion system |
| CN103868068A (en) * | 2014-03-24 | 2014-06-18 | 王龙陵 | High temperature oxygen direct ignition and combustion stabilization system |
| CN107859995A (en) * | 2017-12-08 | 2018-03-30 | 山西大学 | A kind of Rijke type pulse combustion systems for coal-burning boiler |
| CN109084296A (en) * | 2017-06-13 | 2018-12-25 | 山西昌德大成科技有限公司 | The built-in oxygen rifle of boiler using brown coal burner surely fires system |
| CN112777924A (en) * | 2020-12-31 | 2021-05-11 | 广州广钢气体能源股份有限公司 | Glass product surface polishing flame gun, polishing device and polishing method |
-
2011
- 2011-05-23 CN CN2011201643043U patent/CN202082916U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102494337A (en) * | 2011-12-26 | 2012-06-13 | 上海锅炉厂有限公司 | Plasma oil-free ignition staged combustion system |
| CN102494337B (en) * | 2011-12-26 | 2014-04-09 | 上海锅炉厂有限公司 | Plasma oil-free ignition staged combustion system |
| CN103868068A (en) * | 2014-03-24 | 2014-06-18 | 王龙陵 | High temperature oxygen direct ignition and combustion stabilization system |
| CN103868068B (en) * | 2014-03-24 | 2016-03-02 | 王龙陵 | A kind of high-temperature oxygen direct-fire and surely fire system |
| CN109084296A (en) * | 2017-06-13 | 2018-12-25 | 山西昌德大成科技有限公司 | The built-in oxygen rifle of boiler using brown coal burner surely fires system |
| CN107859995A (en) * | 2017-12-08 | 2018-03-30 | 山西大学 | A kind of Rijke type pulse combustion systems for coal-burning boiler |
| CN107859995B (en) * | 2017-12-08 | 2024-03-12 | 山西大学 | Rijke type pulse combustion system for coal-fired boiler |
| CN112777924A (en) * | 2020-12-31 | 2021-05-11 | 广州广钢气体能源股份有限公司 | Glass product surface polishing flame gun, polishing device and polishing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111221 |