CN1252427C - Horizontal wet method desulfurization and dust-removing coal boiler - Google Patents
Horizontal wet method desulfurization and dust-removing coal boiler Download PDFInfo
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- CN1252427C CN1252427C CN 03124235 CN03124235A CN1252427C CN 1252427 C CN1252427 C CN 1252427C CN 03124235 CN03124235 CN 03124235 CN 03124235 A CN03124235 A CN 03124235A CN 1252427 C CN1252427 C CN 1252427C
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Abstract
The present invention relates to a desulfurizing and dedusting coal boiler by a horizontal wet method, which comprises a boiler body, a boiler chamber, a water jacket and a desulfurizing and dedusting device, wherein the water jacket is communicated with a rear header pipe bundle and a header pipe bundles of two sides, the water jacket, namely the cold water wall of the boiler chamber and a boiler cylinder of the upper part are communicated into a whole, and the boiler cylinder of the upper part is respectively communicated with a water outlet and the header pipe bundles of the two sides of the boiler chamber; the header pipe bundles of the two sides are respectively communicated with the rear header pipe bundle and a water inlet pipe; the front wall of the boiler chamber is fixedly connected with a front arch, the rear wall is fixedly connected with a rear arch, the rear part of the front arch is higher than the front part of the rear arch, and the front arch and the rear arch form a space interlayer, namely a fume and fire port; the bottom of the boiler body is provided with a moving grate, the rear part of the boiler body is provided with the desulfurizing and dedusting device and a flue pipe. The present invention has the advantages of simple structure, easy fabrication, cost reduction, boiler chamber volume increase, radiation heating area increase and heat efficiency improvement.
Description
One, technical field
The present invention relates to a kind of civil boiler, particularly a kind of horizontal wet method sulphur removing and dust removing coal-burning boiler.
Two, background technology
Present civil boiler is of a great variety, but every wet method sulphur removing and dust removing that needs all need be equipped with air-introduced machine, and only is fit to the mode of balanced draft and exhaust ventilation, also do not have gravity-flow ventilation or positive draft mode to realize the boiler of wet method sulphur removing and dust removing, this is the difficult problem that prior art does not also have solution.
Three, summary of the invention
The objective of the invention is to design a kind of horizontal wet method sulphur removing and dust removing coal-burning boiler, this boiler can be realized wet method sulphur removing and dust removing without air-introduced machine under the situation of gravity-flow ventilation or positive draft, can reach the environmental protection new-standard in national two class areas; This boiler, boiler body forms the primary dust removing device, only need to install single desulfurizer, adopt balanced draft or exhaust ventilation mode, and need the dress air-introduced machine can not only reach national class area environmental protection new-standard, and and can power saving 30%, prolong air-introduced machine service life, can significantly reduce the mortar in the desulphurization plant, reduce the mortar number of purge in the desulphurization plant.
Purpose of the present invention can reach by following embodiment: this boiler includes body of heater, burner hearth, water sleeve desulfurizing dust-collector formation, water jacket is communicated with its both sides collecting box pipe bundle and rear set box tube bank, be characterized in: the interior jacket wall of the insulated wall of burner hearth is communicated with one with the water jacket that overcoat wall forms with the top drum, the top drum is communicated with delivery port and burner hearth both sides collecting box pipe bundle respectively, and both sides collecting box pipe bundle is communicated with rear set box tube bank and water inlet pipe respectively; Before the burner hearth inwall affixed face arch, thereafter inwall affixed rear arch, the face arch rear portion is higher than the rear arch front portion, it is the fireworks channel mouth that the front and back arch becomes the space interlayer, bottom of furnace body is provided with moving grate; Be provided with desulfurizing dust-collector and chimney behind the body of heater.
The two side front end on burner hearth face arch of the present invention top is provided with the burner hearth smokestack, make burner hearth be communicated with the space of both sides collecting box pipe bundle part, the space of both sides collecting box pipe bundle part is communicated with expansion space flue dust chamber, body of heater rear portion, top, flue dust chamber is provided with and is communicated with exhaust opening second, its bottom is provided with water seal depositing dust pond, and what water seal depositing dust pond was communicated with the body of heater side goes out the mortar mouth.
Face arch of the present invention is " factory " font, and rear arch is " ㄟ " shape, and face arch and rear arch are folded and prolonged placement, forms interlayer fireworks channel mouth, and interlayer fireworks channel mouth communicates with the upper and lower two parts of burner hearth space.
Face arch of the present invention also can be brick baffle, and rear arch also can be pulls the cigarette wall.
Upper and lower side upper collecting chamber, the side next part case of being compiled in respectively of both sides of the present invention collecting box pipe bundle, the top drum is by being communicated with upside collection case communicating pipe, and its downside collection case is communicated with back downside collection case and water inlet pipe by communicating pipe; The slag remover water sealed tank is set the fire grate rear lower portion and the slag remover afterbody is upper and lower corresponding, removes pit and communicate with the slag remover water sealed tank.
Desulfurization duct, spray equipment, pure qi (oxygen) outlet, circulation pipe, dividing plate, flue, cyclic water tank, overflow pipe, water inlet, dosing mouth, filtration mouth, circulating pump, butterfly valve are arranged on the desulfurizing dust-collector of the present invention.
When the present invention is located at the furnace front both sides when the burner hearth smokestack, can be positive draft or gravity-flow ventilation; When the burner hearth smokestack is located at the burner hearth rear portion, front portion to the same side enters furnace front in the cigarette wall to the stove cigarette through collecting box pipe bundle space from the rear portion of a side, enter the burner hearth opposite side again and arrive the afterbody exhaust opening, at this moment can adopt balanced draft, and install air-introduced machine additional through collecting box pipe bundle space; When boiler body is used the minute-pressure steam boiler instead, establish expansion space wet type flue dust chamber at afterbody, install steam superheater additional, the water level meter is set, increase the top drum vapor space, both sides collection case can reduce height, and steam (vapor) outlet is located at furnace roof portion, be communicated with the steam superheater import, at this moment just become the minute-pressure superheated steam boiler.
Exhaust opening of the present invention can be located at the body of heater rear end, also can be located at rear upper end.
Advantage of the present invention can reach the environmental protection new-standard in national two class areas for can realize wet method sulphur removing and dust removing under the situation of gravity-flow ventilation or positive draft; If adopt balanced draft or exhaust ventilation mode, can not only reach national class area environmental protection new-standard, and can power saving 30%, can prolong blower fan service life, can significantly reduce the mortar in the desulphurization plant, be a kind of desirable coal-burning boiler.
Four, description of drawings
The present invention is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is an overall structure cutaway view of the present invention
Fig. 2 is the A-A cutaway view of Fig. 1
Fig. 3 is the B-B cutaway view of Fig. 2
Fig. 4 is another kind of form figure
Fig. 5 is the C-C cutaway view of Fig. 4
Among the figure:
1. ground 20. back upper collecting chamber 39. sidewall of the inside race 58. pure qi (oxygen) roads
2. base 21. smoke evacuation armatines 40. water jackets 59. chimneys
3. coal bunker 22. side collection case bundles 41. exhaust gases passes 60. circulation pipes
4. lighting door 23. rear set box tube bank 42. collects case sewage draining exits 61. desulfurizing dust-collectors
5. seal 43. hand holes, 62. dividing plates behind face arch 24. overcoats
6. 44. exhaust opening second, 63. flues are sealed in the cover back in the burner hearth smokestack 25.
7. seal 26. stay bolts expansion space wet type flue dust chambers 45., 64. cyclic water tanks before the overcoat
8. envelope 27. rear arches 46. water seal depositing dust pond 65. doctor solutions (water) before the interior cover
9. delivery port 28. communicating pipe, 47. slag remover water seals 66. overflow pipes
10. Pressure gauge base 29. back next part casees 48. remove pit 67. water inlets
11. 30. communicating pipe of water seal base 49. air blasts, 68. dosing mouths
12. going out mortar mouth 69., overcoat wall 31. side next part casees 50. filter mouth
13. interior jacket wall 32. hand holes 51. heat-insulation layers 70. mortar
14. drum stay bolt 33. chuck blowdowns 52. refractory masses 71. circulating pumps
15. chuck stay bolt 34. water inlet pipes 53. interlayer pyrotechnics mouths 72 butterfly valves
16. collecting box pipe bundle space, burner hearth 35. hangers, 54. both sides 73. brick baffles
17. clean base 36. top drums 55. atomizing desulfurization spaces 74. side upper collecting chambers
18. 37. communicating pipes 56. of body of heater spray equipment
19. communicating pipe 38. sleeve side walls, 57. pure qi (oxygen)s outlet
Five, the specific embodiment
Shown in Fig. 1～5, this boiler comprises: body of heater 18, burner hearth 16, water sleeve desulfurizing dust-collector constitute, water jacket is communicated with its both sides collecting box pipe bundle 22 and rear set box tube bank 23, be characterized in: the interior jacket wall 13 of the insulated wall of burner hearth 16 is communicated with one with the water jacket 40 that overcoat wall 12 forms with top drum 36, top drum 36 is communicated with delivery port 9 and burner hearth 16 both sides collecting box pipe bundles 22 respectively, and both sides collecting box pipe bundle is communicated with rear set box tube bank 23 and water inlet pipe 34 respectively; Before the burner hearth 16 inwalls affixed face arch 5, thereafter inwall affixed rear arch 27, face arch 5 rear portions are higher than rear arch 27 front portions, it is fireworks channel mouth 53 that the front and back arch becomes the space interlayer, body of heater 18 bottoms are provided with moving grate; Be provided with desulfurizing dust-collector 61 and chimney 59 behind the body of heater 18.
The two side front end on burner hearth 16 face arch of the present invention 5 tops is provided with burner hearth smokestack 6, make burner hearth be communicated with collecting box pipe bundle space, both sides 54, collecting box pipe bundle space, both sides 54 is communicated with expansion space flue dust chamber, body of heater 18 rear portion 45, flue dust chamber 45 is provided with and is communicated with exhaust opening second 44, its bottom is provided with water seal depositing dust pond 46, and what water seal depositing dust pond 46 was communicated with the body of heater sides goes out mortar mouth 50.Be provided with face arch 5 and rear arch 27 in the burner hearth, the structure of face arch 5 and rear arch 27 forms burner hearth three regional structures.Face arch 5 is " factory " font, and rear arch 27 is " ㄟ " shape, and face arch 5 is folded with rear arch 27 and prolonged placement, forms interlayer pyrotechnics mouth 53, and interlayer pyrotechnics mouth 53 communicates with burner hearth 16 upper and lower two parts spaces.Face arch 5 also can be brick baffle, and rear arch 27 also can be pulls wall with flues.
Both sides of the present invention collecting box pipe bundle 22 upper and lower side upper collecting chamber 74, the side next part casees 31 of being compiled in respectively, top drum 36 is communicated with upside collection case by communicating pipe 37,19,28,30, and its downside collection case is communicated with back next part case 29 and water inlet pipe 34 by communicating pipe; It is upper and lower corresponding with the slag remover afterbody that the fire grate rear lower portion is provided with slag remover water sealed tank 47, removes pit 48 and communicate with slag remover water sealed tank 47.
When the present invention is located at burner hearth 16 front part sides when burner hearth smokestack 6, can be positive draft or gravity-flow ventilation; When the burner hearth smokestack is located at the burner hearth rear portion, front portion to the same side enters furnace front in the cigarette wall to the stove cigarette through collecting box pipe bundle space from the rear portion of a side, enter the burner hearth opposite side again and arrive afterbody exhaust opening second 44, at this moment can adopt balanced draft, and install air-introduced machine additional through collecting box pipe bundle space; When boiler body is used the minute-pressure steam boiler instead, establish expansion space wet type flue dust chamber at afterbody, install steam superheater additional, the water level meter is set, increase top drum 36 vapor spaces, both sides next part case 31 can reduce height, and steam (vapor) outlet is located at furnace roof portion, be communicated with the steam superheater import, at this moment just become the minute-pressure superheated steam boiler.
Exhaust opening second 44 of the present invention can be located at the body of heater rear end, also can be located at rear upper end.
Its course of work:
At first after the topped up with water igniting, the water loop direction be water by water inlet pipe 34 to both sides collecting box pipe bundle 22, enter burner hearth 16 water jackets and top drum 36 to the stove afterbody respectively through communicating pipe 30,28,19,37 backward, send heating system by top drum 36 by delivery port 9.Its pyrotechnics is walked around face arch 5 by burner hearth 16 backward through cigarette channel mouth 53, again along face arch 5 tops by after forward by burner hearth smokestack 6 to collecting box pipe bundle space, both sides 54 backward to stove tail expansion space flue dust chamber 45 to water seal depositing dust pond towards exhaust opening second 44, its flue dust descends in this pond, and pure qi (oxygen) is taken out to desulfurizing dust-collector and from chimney by exhaust opening second 44 and discharged.Coal ashes after burning fall in this groove after taking slag remover water sealed tank 47 tops to by slag remover, enter then except that in the pit 48.
Claims (5)
1, a kind of horizontal wet method sulphur removing and dust removing coal-burning boiler, comprise: body of heater (18), burner hearth (16), water sleeve desulfurizing dust-collector (61) constitute, water jacket is communicated with its both sides collecting box pipe bundles (22) and rear set box tube bank (23), it is characterized in that: the interior jacket wall (13) of the insulated wall of burner hearth (16) is communicated with one with the water jacket (40) that overcoat wall (12) forms with top drum (36), top drum (36) is communicated with delivery port (9) and burner hearth (16) both sides collecting box pipe bundles (22) respectively, and both sides collecting box pipe bundle is communicated with rear set box tube bank (23) and water inlet pipe (34) respectively; The preceding inwall of burner hearth (16) affixed face arch (5), thereafter inwall affixed rear arch (27), face arch (5) rear portion is higher than rear arch (27) front portion, it is fireworks channel mouth (53) that the front and back arch becomes the space interlayer; The two side front end on burner hearth (16) face arch (5) top is provided with burner hearth smokestack (6), makes burner hearth be communicated with collecting box pipe bundle spaces, both sides (54), and collecting box pipe bundle space, both sides (54) is communicated with body of heater (18) expansion space flue dust chamber, rear portion (45); Body of heater (18) bottom is provided with moving grate; Be provided with desulfurizing dust-collector (61) and chimney (59) behind the body of heater (18).
2, boiler according to claim 1 is characterized in that top, flue dust chamber (45) is provided with and is communicated with exhaust opening second (44) that its bottom is provided with water seal depositing dust pond (46), and what water seal depositing dust pond (46) was communicated with the body of heater side goes out mortar mouth (50).
3, boiler according to claim 1, it is characterized in that face arch (5) is " factory " font, rear arch (27) Wei “ I " shape; face arch (5) and rear arch (27) be folded to prolong placement; form interlayer fireworks channel mouth (53), interlayer fireworks channel mouth (53) communicates with the upper and lower two parts of burner hearth (16) space.
4, boiler according to claim 1, it is characterized in that upper and lower side upper collecting chamber (74), the side next part case (31) of being compiled in respectively of both sides collecting box pipe bundles (22), top drum (36) is communicated with upside collection case by communicating pipe (37), (19), (28), (30), and its downside collection case is communicated with back downside collection case (29) and water inlet pipe (34) by communicating pipe; It is upper and lower corresponding with the slag remover afterbody that the fire grate rear lower portion is provided with slag remover water sealed tank (47), removes pit (48) and communicate with slag remover water sealed tank (47).
5, boiler according to claim 1 is characterized in that: exhaust opening second (44) can be located at the body of heater rear end, also can be located at rear upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03124235 CN1252427C (en) | 2002-07-04 | 2003-04-29 | Horizontal wet method desulfurization and dust-removing coal boiler |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02123595 | 2002-07-04 | ||
| CN02123595.3 | 2002-07-04 | ||
| CN 03124235 CN1252427C (en) | 2002-07-04 | 2003-04-29 | Horizontal wet method desulfurization and dust-removing coal boiler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1450323A CN1450323A (en) | 2003-10-22 |
| CN1252427C true CN1252427C (en) | 2006-04-19 |
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ID=28792727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03124235 Expired - Fee Related CN1252427C (en) | 2002-07-04 | 2003-04-29 | Horizontal wet method desulfurization and dust-removing coal boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1252427C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102878576A (en) * | 2012-10-26 | 2013-01-16 | 无锡锡能锅炉有限公司 | Smoke separation wall structure of horizontal coal burning boiler |
| CN103090352A (en) * | 2013-01-18 | 2013-05-08 | 冯为纯 | Economical, environmental friendly and efficient broad-spectrum smokeless packaged boiler |
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2003
- 2003-04-29 CN CN 03124235 patent/CN1252427C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN1450323A (en) | 2003-10-22 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060419 Termination date: 20120429 |