CN201093483Y - Chemical industry heating furnace with coal water slurry as fuel - Google Patents
Chemical industry heating furnace with coal water slurry as fuel Download PDFInfo
- Publication number
- CN201093483Y CN201093483Y CNU2007200452305U CN200720045230U CN201093483Y CN 201093483 Y CN201093483 Y CN 201093483Y CN U2007200452305 U CNU2007200452305 U CN U2007200452305U CN 200720045230 U CN200720045230 U CN 200720045230U CN 201093483 Y CN201093483 Y CN 201093483Y
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- CN
- China
- Prior art keywords
- heater
- slurry
- coal
- fuel
- chemical industry
- 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.)
- Expired - Lifetime
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 33
- 239000000446 fuel Substances 0.000 title claims abstract description 17
- 239000000126 substance Substances 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 14
- 239000003245 coal Substances 0.000 title description 3
- 239000002002 slurry Substances 0.000 title description 2
- 239000003250 coal slurry Substances 0.000 claims abstract description 27
- 238000002485 combustion reaction Methods 0.000 claims description 23
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 239000002893 slag Substances 0.000 claims description 4
- 230000005855 radiation Effects 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000010304 firing Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 9
- 239000000295 fuel oil Substances 0.000 description 8
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 5
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical group [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 5
- 239000003546 flue gas Substances 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 238000011084 recovery Methods 0.000 description 5
- 229910052717 sulfur Inorganic materials 0.000 description 5
- 239000011593 sulfur Substances 0.000 description 5
- 239000002918 waste heat Substances 0.000 description 5
- 238000007599 discharging Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 239000004568 cement Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Combustion Of Fluid Fuel (AREA)
Abstract
The utility model discloses a chemical industry heating furnace using water coal slurry as the fuel, wherein, a radiation convectional standpipe vertical drum furnace is adopted for the furnace type; a multilayer arranged burner at the lateral side presents a tangential firing manner, appropriately controlling the thermal intensity in the standpipe of a radiation section in the length direction, being beneficial to intensify the convection heat transfer of a radiation chamber, and supplying the weakened radiative transfer at an upper furnace tube. The chemical industry heating furnace adopts the compact structure type with a radiation section and a convection section arranged in parallel, being beneficial to reduce the height of the heating furnace, reducing the equipment manufacturing cost, and providing production safety.
Description
Technical field
The utility model relates to a kind of heating furnace, chemical industry a kind of heating furnace commonly used especially, and specifically a kind of is the chemical industry heating stove of main fuel with the water-coal-slurry.
Background technology
At present, the fuel majority that the petrochemical industry heating furnace is commonly used is the contour sulfur-bearing oil of residual oil, heavy oil, has adopted this high sulfur content fuel, and the sulfur dioxide that causes heating furnace to discharge in atmosphere exceeds standard, severe contamination factory's surrounding environment, brought very big pressure for environmental protection and pollution control.Simultaneously, along with world's crude oil price grows to even greater heights, the price of fuel oil also will go up thereupon, and there is the quite a while oil price will maintain a high position, the production cost of petrochemical industry also can continue to increase, do not have in the recent period the sign of alleviation, situation allows of no optimist, and replaces fuel oil to alleviate domestic contradiction to oil demand with coal.With the water-coal-slurry is that fuel replaces the contour sulfur-bearing oil of present normally used residual oil, can effectively reduce environmental pollution, and wherein the discharge capacity of sulfur dioxide can reduce more than 50%.
In addition, existing heating furnace all adopts the mode of vertical design when designing, therefore the chimney of discharging fume is installed in the top of combustion furnace, this just makes that the height of combustion furnace is very high, make that not only manufacturing cost improves greatly, and make the waste heat recovery difficulty of flue gas strengthen, the number of plies quantity that the flue gas waste heat recovery pipe is arranged is restricted, the waste heat recovery rate can't be brought up to desirable level, caused the waste of the energy again, therefore, a kind of heating furnace that replaces fuel oil and reduce whole burner height of design is the task of top priority of saving energy and reduce the cost.
Summary of the invention
The purpose of this utility model is to adopt the fuel oil not only cost height that acts as a fuel at existing petrochemical industry mostly with heating furnace, and sulfur content height, the problem serious to atmosphere pollution, and existing heating furnace is the existing height height of vertical mounting structure, the manufacturing installation difficulty is big, the problem that cost is high designs that a kind of what can do that raw material and whole height reduce greatly with water-coal-slurry is the chemical industry heating stove of main fuel with the water-coal-slurry.
The technical solution of the utility model is:
A kind of is the chemical industry heating stove of fuel with the water-coal-slurry, comprise body of heater 10, the bottom of body of heater 10 is connected with grey slag bucket 9, be provided with combustion chamber 2 and radiant section 3 in the body of heater 10, and combustion chamber 2 is following, radiant section 3 is last, it is characterized in that on the body of heater 10 around the combustion chamber 2, being into the circle of contact be furnished with more than one in the combustion chamber water coal slurry burner shower nozzle 1 of injection water coal slurry, vertical being evenly equipped with absorbs photothermal heat pipe 4 in radiant section 3, side at body of heater 10 is equipped with convection section 6 side by side, the air inlet of convection section 6 links to each other by flue 5 with the outlet flue on the top of body of heater 10, in the convection section in 6 horizontally disposed have two groups above by studded tube, the convection recuperator group that finned tube or light pipe heat exchanger tube 7 are formed is provided with exhanst gas outlet 8 in the bottom of convection section 6.
The quantity of the water coal slurry burner shower nozzle 1 of injection water coal slurry in the combustion chamber that is into circle of contact layout on the body of heater 10 around the combustion chamber 2 is no less than 6.
In the convection section in 6 the quantity of the horizontally disposed convection recuperator group of forming by studded tube, finned tube or light pipe heat exchanger tube 7 more than four layers or four layers.
The height of the height of described convection section 6 and body of heater 10 is suitable.
Be positioned at the exhanst gas outlet 8 of convection section 6 bottoms or link to each other, or link to each other, or directly enter chimney from the bottom of convection section 6 with the chimney that sack cleaner is installed with residual neat recovering system.
The beneficial effects of the utility model:
Heating furnace of the present utility model has adopted radiation one convection standpipe vertical cylindrical heater, and wherein burner adopts side multilayer arrangement form, becomes the tangential firing mode, helps strengthening the convection heat transfer' heat-transfer by convection of radiation chamber.Radiant section and convection section are arranged in juxtaposition simultaneously, and the top is connected with flue, and flue gas is discharged from the convection section bottom, enter residual neat recovering system, enter chimney after the dedusting of process sack cleaner, or directly enter chimney, reduced the whole height of heating furnace from the convection section bottom.In the heating furnace, in radiant section, adopt the standpipe arrangement form,, in convection section, be furnished with studded tube, finned tube or light pipe,, and reach technological requirement by medium in the heat convection heating tube by medium in the radiation heat transfer heating tube.
Burner adopts side multilayer arrangement form, can control the calorific intensity that the radiant section internal riser is gone up along its length well.
The layout of burner makes burning form the tangential firing mode, select suitable imaginary circle diameter and the eddy flow lift angle cut, cut an imaginary circle burning, can form the strong flame of rigidity, help strengthening the convection heat transfer' heat-transfer by convection of radiation chamber, replenish the radiant heat transfer that boiler tube place, top has weakened.
But coal-water slurry nozzle of the present utility model also atomizer replaces, both can guarantee the initial stage of going into operation from the smooth transition of combustion fuel oil to using water-coal-slurry, also can supply simultaneously and switch combustion fuel oil when undesired, with the long period of assurance device reliability of operation, stability and production in water-coal-slurry.
Uniform vertical heat exchanger tube heat exchange around in the radiant section is evenly distributed its calorific intensity all around.
Studded tube, finned tube or the light pipe heat-exchanging tube bundle arranged in the convection section can carry out heat convection, reach the purpose of medium in the heating tube.
The utility model replaces fuel oil to alleviate domestic contradiction to oil demand with coal.With the water-coal-slurry is that fuel replaces the contour sulfur-bearing oil of present normally used residual oil, can effectively reduce environmental pollution, and wherein the discharge capacity of sulfur dioxide can reduce more than 50%.
Compactness rational in infrastructure of the present utility model can make burning, heat exchange evenly, fully, and has reduced the whole height of heating furnace.
The version that radiant section of the present utility model and convection section are arranged in juxtaposition extends in the heating furnaces such as the heating furnace of similarly waste heat recovery being had relatively high expectations, cement in vertical kiln, reduces equipment investment.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the vertical view of Fig. 1.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described.
As shown in Figure 1, 2.
A kind of is the chemical industry heating stove of fuel with the water-coal-slurry, comprise body of heater 10, the bottom of body of heater 10 is connected with grey slag bucket 9, be provided with combustion chamber 2 and radiant section 3 in the body of heater 10, and combustion chamber 2 is following, radiant section 3 is last, on the body of heater 10 around the combustion chamber 2, be into the circle of contact and be furnished with four or more (as 6,8,10 etc., concrete quantity should be looked the internal diameter and the required temperature that reaches of burning of body of heater 10 and be calculated definite) the water coal slurry burner shower nozzle 1 of injection water coal slurry in the combustion chamber, vertical being evenly equipped with absorbs photothermal heat pipe 4 in radiant section 3, side at body of heater 10 is equipped with convection section 6 (it is housing and the general name that heat exchanger tube wherein is installed) side by side, the air inlet of convection section 6 links to each other by flue 5 with the outlet flue on the top of body of heater 10, the height of convection section 6 and body of heater 10 is suitable, in the housing of convection section 6 horizontally disposed have two groups above (as four groups among Fig. 1, also can be more than four groups, this can determine according to the height of waste heat recovery requirement and convection section 6) by studded tube, the convection recuperator group that finned tube or light pipe heat exchanger tube 7 are formed is provided with exhanst gas outlet 8 in the bottom of convection section 6.Exhanst gas outlet 8 or link to each other, or link to each other with the chimney that sack cleaner is installed with residual neat recovering system, or directly enter chimney from the bottom of convection section 6.The heat exchanger tube of forming the convection recuperator group both can be independent studded tube, finned tube or light pipe heat exchanger tube 7, also can be their combination.
The course of work of the present utility model is:
Water coal slurry burner shower nozzle 1 of the present utility model is arranged in around 2 sides, combustion chamber, during burning with the medium in the vertical heat pipe 4 that is distributed in the radiant section 3 of radiation heat transfer form heating, then, flue gas enters convection section 6 by flue 5 again, be arranged in medium in studded tube, finned tube or the light pipe heat exchanger tube 7 in the convection section with heat convection form heating, flue gas is discharged by exhanst gas outlet 8, enters follow-up system.Lime-ash in the combustion process is then collected discharging by the grey slag bucket 9 that is arranged in the bottom, combustion chamber.
The utility model does not relate to the part prior art that maybe can adopt all same as the prior art to be realized.
Claims (5)
1. one kind is the chemical industry heating stove of fuel with the water-coal-slurry, comprise body of heater (10), the bottom of body of heater (10) is connected with grey slag bucket (9), be provided with combustion chamber (2) and radiant section (3) in the body of heater (10), and combustion chamber (2) are following, radiant section (3) is last, it is characterized in that on combustion chamber (2) body of heater (10) all around, being into the circle of contact be furnished with more than one in the combustion chamber water coal slurry burner shower nozzle (1) of injection water coal slurry, vertical being evenly equipped with absorbs photothermal heat pipe (4) in radiant section (3), side at body of heater (10) is equipped with convection section (6) side by side, the air inlet of convection section (6) links to each other by flue (5) with the outlet flue on the top of body of heater (10), in the convection section in (6) horizontally disposed have two groups above by studded tube, the convection recuperator group that finned tube or light pipe heat exchanger tube (7) are formed is provided with exhanst gas outlet (8) in the bottom of convection section (6).
2. according to claim 1 is the chemical industry heating stove of fuel with the water-coal-slurry, it is characterized in that the quantity of the water coal slurry burner shower nozzle (1) of injection water coal slurry in the combustion chamber that is into circle of contact layout on the body of heater (10) all around of combustion chamber (2) is no less than 6.
3. according to claim 1 is the chemical industry heating stove of fuel with the water-coal-slurry, and the quantity that it is characterized in that in the convection section the horizontally disposed convection recuperator group of being made up of studded tube, finned tube or light pipe heat exchanger tube (7) in (6) is more than four layers or four layers.
4. according to claim 1 is the chemical industry heating stove of fuel with the water-coal-slurry, it is characterized in that the height of the height of described convection section (6) and body of heater (10) is suitable.
5. according to claim 1 is the chemical industry heating stove of fuel with the water-coal-slurry, it is characterized in that being positioned at the exhanst gas outlet (8) of convection section (6) bottom or link to each other with residual neat recovering system, or link to each other, or directly enter chimney from the bottom of convection section (6) with the chimney that sack cleaner is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200452305U CN201093483Y (en) | 2007-08-28 | 2007-08-28 | Chemical industry heating furnace with coal water slurry as fuel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200452305U CN201093483Y (en) | 2007-08-28 | 2007-08-28 | Chemical industry heating furnace with coal water slurry as fuel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201093483Y true CN201093483Y (en) | 2008-07-30 |
Family
ID=39901451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200452305U Expired - Lifetime CN201093483Y (en) | 2007-08-28 | 2007-08-28 | Chemical industry heating furnace with coal water slurry as fuel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201093483Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102925195A (en) * | 2012-10-12 | 2013-02-13 | 中国石油化工股份有限公司 | Ethylene cracking furnace combustion system taking water-coal-slurry as fuel |
-
2007
- 2007-08-28 CN CNU2007200452305U patent/CN201093483Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102925195A (en) * | 2012-10-12 | 2013-02-13 | 中国石油化工股份有限公司 | Ethylene cracking furnace combustion system taking water-coal-slurry as fuel |
| CN102925195B (en) * | 2012-10-12 | 2014-09-03 | 中国石油化工股份有限公司 | Ethylene cracking furnace combustion system taking water-coal-slurry as fuel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHINA PETROCHEMICAL CORPORATION Free format text: FORMER OWNER: NANJING SHENGNUO HEAT PIPE CO., LTD. Effective date: 20090828 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Jiang Min Inventor after: Liu Xing Inventor after: Lu Guiqing Inventor after: Li Lai Inventor after: Gu Bin Inventor after: Da Jian Inventor after: Xu Hongxiang Inventor after: Yang Jun Inventor after: Wang Weihua Inventor after: Liu Feng Inventor after: Fan Xiaobin Inventor before: Li Lai Inventor before: Jiang Min Inventor before: Da Jian Inventor before: Yang Jun Inventor before: Liu Feng Inventor before: Gu Bin Inventor before: Liu Xing |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: LI LAISUO; JIANG MIN; DA JIAN; YANG JUN; LIU FENG; GU BIN; LIU XING TO: JIANG MIN; LI LAISUO; GU BIN; DA JIAN; XU HONGXIANG; YANG JUN; WANG WEIHUA; LIU FENG; FAN XIAOBIN; LIU XING; LU GUIQING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20090828 Address after: 22 Chaoyangmen North Street, Chaoyang District, Beijing, zip code: 100728 Co-patentee after: Nanjing Shengnuo Heat Pipe Co., Ltd. Patentee after: China Petrochemical Corp Address before: Jiangsu city of Nanjing province dingjiaqiao No. 30, zip code: 210009 Patentee before: Nanjing Shengnuo Heat Pipe Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080730 |