CN204042830U - A kind of waste heat boiler of exhaust gas utilization - Google Patents
A kind of waste heat boiler of exhaust gas utilization Download PDFInfo
- Publication number
- CN204042830U CN204042830U CN201420333697.XU CN201420333697U CN204042830U CN 204042830 U CN204042830 U CN 204042830U CN 201420333697 U CN201420333697 U CN 201420333697U CN 204042830 U CN204042830 U CN 204042830U
- Authority
- CN
- China
- Prior art keywords
- burner hearth
- heating surface
- evaporimeter
- drum
- boiler
- 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
- 239000007789 gas Substances 0.000 title claims abstract description 27
- 239000002918 waste heat Substances 0.000 title claims abstract description 17
- 238000010438 heat treatment Methods 0.000 claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000003546 flue gas Substances 0.000 claims abstract description 14
- 238000013459 approach Methods 0.000 claims abstract description 6
- 238000009413 insulation Methods 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000004321 preservation Methods 0.000 claims description 3
- 239000011435 rock Substances 0.000 claims description 3
- 239000000779 smoke Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000003245 coal Substances 0.000 abstract 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Landscapes
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model provides a kind of waste heat boiler of exhaust gas utilization, comprises boiler steam and water circuit and flue gas system, and described boiler steam and water circuit is made up of economizer, evaporimeter, drum and pipeline, and flue gas system is made up of gas approach, burner hearth and exhanst gas outlet; Burner hearth is horizontally disposed with, and the front end of burner hearth is provided with the vertical heating surface evaporimeter arranged of many groups, and the rear end of burner hearth arranges the province's coal vertically arranged, heating surface upper end of evaporator arranges drum, and the bottom of burner hearth arranges ash dropping hopper.Boiler heating surface evaporimeter is formed by many groups, and often organize evaporimeter and pass in and out drum separately, form several unsophisticated closed circuits, water circulation system is reliable and stable, and thermal deviation is little, and security is good.
Description
Technical field
The utility model relates to a kind of boiler, and especially a kind of boiler of waste heat recovery, more particularly relates to a kind of waste heat boiler of exhaust gas utilization.
Background technology
Advocate in country and greatly develop UTILIZATION OF VESIDUAL HEAT IN, energy-saving and emission-reduction, to the protection energy, improve environment for human survival quality and all play a positive role, it is the exploration project of an emphasis that waste gas utilizes again.There is many deficiencies in current existing waste heat boiler in making use procedure:
1, the unreasonable heating surface pipe that causes of the circulatory system burns out;
2, economizer surface velocity in pipes is excessive, and tube wear is severe;
3, heating surface pipe adopts light pipe to arrange, adds cost of investment, and boiler floor space increases,
Installation period increases;
4, do not design the thermal expansion of insulation guard board, cause insulation guard board to be out of shape;
5, flue gas flows through the frequencies of eddy currents that pipe is formed, and produces resonance, and run under vibrations operating mode for a long time, cause weld seam to crack, boiler cannot run.
6, heating surface pipe blowdown and hydrophobic not thorough.
Summary of the invention
In order to solve the above-mentioned problems in the prior art, the utility model provides a kind of waste heat boiler of exhaust gas utilization.
The utility model is achieved through the following technical solutions: a kind of waste heat boiler of exhaust gas utilization, comprise boiler steam and water circuit and flue gas system, described boiler steam and water circuit comprises economizer, evaporimeter, drum and pipeline, and described flue gas system comprises gas approach, burner hearth and exhanst gas outlet; Described burner hearth is horizontally disposed with, the front end of burner hearth is provided with the vertical heating surface evaporimeter arranged of many groups, the rear end of burner hearth arranges the economizer vertically arranged, the inwall of burner hearth is provided with heat-insulation layer, described heating surface evaporimeter comprises upper collecting chamber and lower header, be communicated with by multiple heating surface tube between upper collecting chamber and lower header, heating surface upper end of evaporator arranges drum, down-comer is provided with between drum and lower header, tedge is provided with between drum and upper collecting chamber, the bottom of lower header is provided with blow-off pipe, and the bottom of described burner hearth arranges ash dropping hopper.
In such scheme, for increasing rate of heat exchange, described heating surface tube adopts spiral finned tube, and fin pitch is 10mm, and fin height is 14mm-16mm, and fin thickness is 1.2mm.
In such scheme, described heat-insulation layer adopts the cold guard board structure that smoke impervious is good, and backplate comprises inside holding and with the interior lining panel that can be free to slide with thermal expansion, backplate welds bitch, is fixed with heat preservation rock by bitch, and every block backplate peripheral weld is connected to press strip.
In such scheme, for the frequencies of eddy currents preventing flue gas from flowing through pipe formation causes resonance, described heating surface evaporimeter is set to 10 groups.
The waste heat boiler of a kind of exhaust gas utilization of the utility model compared with prior art, has following beneficial effect:
1, boiler heating surface evaporimeter is formed by many groups, and often organize evaporimeter and pass in and out drum separately, form several unsophisticated closed circuits, water circulation system is reliable and stable, and thermal deviation is little, and security is good;
2, heating surface tube adopts spiral finned tube, enhanced heat exchange condition, and complex heat transfer coefficient is large, greatly reduces the consumption of steel, reduces boiler floor space, and installation period shortens.
3, each heating surface tube is selected by optimized diameter and pitch, ensure that in economizer tube have rational flow velocity to prevent wearing and tearing.
Accompanying drawing explanation
Fig. 1 is the waste heat boiler front view of the utility model exhaust gas utilization;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the top view of Fig. 1.
In figure: 1. drum, 2. tedge, 3. down-comer, 4. gas approach, 5. heating surface tube, 6. lower header, 7. ash dropping hopper, 8. burner hearth, 9. blow-off pipe, 10. heat-exchange tube, 11. exhanst gas outlets, 12. water inlet pipes, 13. outlet pipes, 14. steam pipes, 15. economizers, 16. evaporimeters, 17. upper collecting chambers, 18. heat-insulation layers, 19. backplates, 20. heating surface evaporimeters.
Detailed description of the invention
Below in conjunction with accompanying drawing and specific embodiment, the waste heat boiler to the utility model exhaust gas utilization is further described:
Fig. 1 is the waste heat boiler front view of the utility model exhaust gas utilization, and Fig. 2 is the left view of Fig. 1, and Fig. 3 is the top view of Fig. 1.In figure, the waste heat boiler of this exhaust gas utilization comprises boiler steam and water circuit and flue gas system, and boiler steam and water circuit comprises economizer 15, evaporimeter 16, drum 1 and pipeline, and flue gas system comprises gas approach 4, burner hearth 8 and exhanst gas outlet 11.Burner hearth 8 is horizontally disposed with, the front end of burner hearth 8 is provided with 10 groups of heating surface evaporimeters 20 vertically arranged, the rear end of burner hearth 8 arranges the economizer 15 vertically arranged, the inwall of burner hearth 8 is provided with heat-insulation layer 18, heat-insulation layer 18 has backplate 19 to fix, heating surface evaporimeter 20 comprises upper collecting chamber 17 and lower header 6, be communicated with by multiple heating surface tube 5 between upper collecting chamber 17 and lower header 6, the upper end of heating surface evaporimeter 20 arranges drum 1, down-comer 3 is provided with between drum 1 and lower header 6, tedge 2 is provided with between drum 1 and upper collecting chamber 17, the bottom of lower header 6 is provided with blow-off pipe 9, the bottom of described burner hearth 8 arranges ash dropping hopper 7.
For increasing rate of heat exchange, heating surface tube 5 adopts spiral finned tube, and fin pitch is 10mm, and fin height is 14mm-16mm, and fin thickness is 1.2mm.
In such scheme, INSULATION DESIGN adopts the cold guard board structure that smoke impervious is good, and backplate 19 comprises inside holding and with the interior lining panel that can be free to slide with thermal expansion, backplate 19 welds bitch, be fixed with heat preservation rock by bitch, every block backplate peripheral weld is connected to press strip.
High-temp waste gas enters in burner hearth 8 by gas approach 4, and flue gas washes away the convection bank of ten groups of heating surface evaporimeters 20 successively, discharges from exhanst gas outlet 11 through economizer 15.High-temperature water enters in economizer 15 by water inlet pipe 12, enter in drum 1 by outlet pipe 13 after flowing through heat-exchange tube 10 preheating, entered in evaporimeter 16 by down-comer 3 and carry out heat exchange, form steam, get back in drum 1 by tedge 2, be transported to user side by steam pipe 14 after filtration.
This boiler adopt natural circulation mode, outdoor horizontal module arrangement, compact conformation, take up an area little.Flue gas enters boiler, and the flue gas in flue washes away ten groups of evaporimeters 16 convection bank of series connection from front to back successively, then enters economizer 15, washes away economizer 15 convection bank.Arrange two ash dropping hoppers 7 bottom evaporimeter heating surface, arrange an ash dropping hopper bottom economizer 15 heating surface, bottom arranges ash and pounds the door.Drum 1 internal placement steel wire orifice plate steam-water separator, in order to the steam quality that ensures and qualified pot water, is also equipped with dosing and surface blow-off pipe.In order to ensure safety and convenient operation, Pressure gauge, safety valve and each base for subsequent use are equipped with in drum 1 top.Drum 1 side is provided with one group of quartz glass tube two-colour fluviograph and one group of quartz glass tube plate water-level indicator, is convenient to Subscriber Unit and arranges industrial camera to monitor water level; One group of remote level indicator is measured same, can do water level display and water-level alarm effect; One group of water level balance container, uses as water lev el control.
The above, it is only preferred embodiment of the present utility model, not any pro forma restriction is done to the utility model, although the utility model discloses as above with preferred embodiment, but and be not used to limit the utility model, any those skilled in the art, do not departing within the scope of technical solutions of the utility model, when the method and technology contents that can utilize above-mentioned announcement are made a little change or be modified to the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solutions of the utility model, according to any simple modification that technical spirit of the present utility model is done above embodiment, equivalent variations and modification, still belong in the scope of technical solutions of the utility model.
Claims (4)
1. a waste heat boiler for exhaust gas utilization, comprises boiler steam and water circuit and flue gas system, it is characterized in that: described boiler steam and water circuit comprises economizer, evaporimeter, drum and pipeline, and described flue gas system comprises gas approach, burner hearth and exhanst gas outlet; Described burner hearth is horizontally disposed with, the front end of burner hearth is provided with the vertical heating surface evaporimeter arranged of many groups, the rear end of burner hearth arranges the economizer vertically arranged, the inwall of burner hearth is provided with heat-insulation layer, described heating surface evaporimeter comprises upper collecting chamber and lower header, be communicated with by multiple heating surface tube between upper collecting chamber and lower header, heating surface upper end of evaporator arranges drum, down-comer is provided with between drum and lower header, tedge is provided with between drum and upper collecting chamber, the bottom of lower header is provided with blow-off pipe, and the bottom of described burner hearth arranges ash dropping hopper.
2. the waste heat boiler of a kind of exhaust gas utilization according to claim 1, is characterized in that: described heating surface tube adopts spiral finned tube, and fin pitch is 10mm, and fin height is 14mm-16mm, and fin thickness is 1.2mm.
3. the waste heat boiler of a kind of exhaust gas utilization according to claim 1, it is characterized in that: described heat-insulation layer adopts the cold guard board structure that smoke impervious is good, backplate comprises inside holding and with the interior lining panel that can be free to slide with thermal expansion, backplate welds bitch, be fixed with heat preservation rock by bitch, every block backplate peripheral weld is connected to press strip.
4. the waste heat boiler of a kind of exhaust gas utilization according to claim 1, is characterized in that: for the frequencies of eddy currents preventing flue gas from flowing through pipe formation causes resonance, described heating surface evaporimeter is set to 10 groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420333697.XU CN204042830U (en) | 2014-06-20 | 2014-06-20 | A kind of waste heat boiler of exhaust gas utilization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420333697.XU CN204042830U (en) | 2014-06-20 | 2014-06-20 | A kind of waste heat boiler of exhaust gas utilization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204042830U true CN204042830U (en) | 2014-12-24 |
Family
ID=52243489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420333697.XU Expired - Lifetime CN204042830U (en) | 2014-06-20 | 2014-06-20 | A kind of waste heat boiler of exhaust gas utilization |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204042830U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106765006A (en) * | 2016-11-14 | 2017-05-31 | 丹阳正联知识产权运营管理有限公司 | High efficiency burnt gas Natural Circulation HRSG |
| CN108870367A (en) * | 2018-08-17 | 2018-11-23 | 高晨光 | Steam generator and its manufacturing method |
-
2014
- 2014-06-20 CN CN201420333697.XU patent/CN204042830U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106765006A (en) * | 2016-11-14 | 2017-05-31 | 丹阳正联知识产权运营管理有限公司 | High efficiency burnt gas Natural Circulation HRSG |
| CN108870367A (en) * | 2018-08-17 | 2018-11-23 | 高晨光 | Steam generator and its manufacturing method |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |