CN200943946Y - Forced circulation water-heating boiler - Google Patents
Forced circulation water-heating boiler Download PDFInfo
- Publication number
- CN200943946Y CN200943946Y CN 200620020852 CN200620020852U CN200943946Y CN 200943946 Y CN200943946 Y CN 200943946Y CN 200620020852 CN200620020852 CN 200620020852 CN 200620020852 U CN200620020852 U CN 200620020852U CN 200943946 Y CN200943946 Y CN 200943946Y
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- boiler
- heating surface
- collecting chamber
- upper collecting
- exhaust gases
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Abstract
The utility model relates to a mandatory circulation hot water boiler belonging to the boiler equipment. A boiler water pipe system is composed of a front lower collecting tank, a main upper collecting tank, a deputy upper collecting tank, a rear lower collecting tank, a left upper connecting tank, a left lower collecting tank, a right upper collecting tank, and a right lower collecting tank as well as a front wall and front part boiler top heating surface pipe group, a front arch pipe group, a front part hearth radiation heating surface pipe group, a back part boiler top and back wall heating surface pipe group, a back hearth radiation heating surface pipe group, a left side water cooling wall heating surface pipe group, a left side convection heating surface pipe bundle, a right side water cooling wall heating surface pipe group, and a right side convection heating surface pipe bundle, which are respectively communicated with each collecting tank. The boiler integers the advantages of a mandatory circulation hot water boiler and a nature circulation hot water boiler into a whole, thereby the utility model is characterized by the hydrodynamic security, high thermal efficiency, large output force, and low manufacturing cost.
Description
Technical field
The utility model belongs to boiler product, relates generally to forced-circulation hot water boiler equipment.
Background technology
Hot-water boiler can be divided into forced-circulation hot water boiler and hot water boiler with natural circulation two big classes.Forced-circulation hot water boiler has then that steel consumption is low, production cost is low, when normal operation heating surface water flow velocity height, advantage such as solid formation deposition can not take place, but, conventional forced-circulation hot water boiler must be installed extra furnace heating surface cooling system, therefore the safety of furnace heating surface can increase the complexity of system and extra equipment investment when guaranteeing that under running status power outage takes place suddenly causes circulating pump to quit work.When hot water boiler with natural circulation suddenly power outage takes place under running status, then rely on the motion pressure head that density contrast produced of water in the boiler, make the water in its boiler can proceed circulation, not overheated to guarantee boiler heating surface.But hot water boiler with natural circulation has shortcomings such as steel consumption height, production cost height, particularly the velocity of water circulation of hot water boiler with natural circulation is low, solid formation takes place easily to be deposited at the next part case, cause boiler water cycle to be stagnated, accidents such as water-cooling wall is overheated, booster take place, this class frequency happening in accident was higher when higher and water quality was relatively poor when boiler operatiopn load, had had a strong impact on the safe operation of boiler.
Summary of the invention
The purpose of this utility model is exactly that design provides a kind of advantages such as the steel consumption that conventional forced-circulation hot water boiler has is low, the hydrodynamic force security is good that not only have, and have furnace heating surface Natural Circulation cooling compensation characteristic, the forced-circulation hot water boiler that extra cooling system just can guarantee the new structure of furnace heating surface hydrodynamic force safety when running status suddenly power outage takes place promptly need be installed.
Basic design of the present utility model is, the boiler water tube system has the preceding next part case of landscape configuration in the front wall bottom, landscape configuration is at the main upper collecting chamber and the auxilliary upper collecting chamber on furnace roof top, landscape configuration is at the back next part case of Hou Qiang bottom, the left side vertically disposes left upper collecting chamber and the lower-left collection case that installs dividing plate in it, the right side vertically disposes right upper collecting chamber and the bottom right collection case that installs dividing plate in it, front wall and anterior furnace roof heating surface tube group and the preceding arch tube group that links with preceding next part case and main upper collecting chamber respectively, anterior radiation of burner hearth heating surface tube group and rear portion furnace roof and the back wall heating surface tube group that links with main upper collecting chamber and back next part case respectively, the rear portion radiation of burner hearth heating surface tube group that links with auxilliary upper collecting chamber and back next part case respectively, left side water wall surface pipe group that links with left upper collecting chamber and lower-left collection case and left side convection heating surface tube bank respectively, right side water wall surface pipe group that links with right upper collecting chamber and bottom right collection case and right side convection heating surface tube bank respectively, the lower-left communicating pipe that is connected with lower-left collection case and preceding next part case, the upper right communicating pipe that is connected with auxilliary upper collecting chamber and right upper collecting chamber, backwater inlet base is installed at left upper collecting chamber rear portion, the hot water outlet base is installed in the front portion of right upper collecting chamber.Boiler left side and body of wall inboard, right side dispose left side exhaust gases passes and the right side exhaust gases passes that is connected with front smoke chamber respectively, and the left and right side flue gas leads to and is connected; Burner hearth is connected with exhaust gases passes rear portion, right side or exhaust gases passes rear portion, left side at chimney arch top Hou Qiangchu, and the boiler outlet flue is located at the rear end or the exhaust gases passes rear end, right side of left side exhaust gases passes, so far constitutes the forced-circulation hot water boiler of new structure.
The utility model adopts UNICOM in boiler lower-left collection case, the left side convection bank heating surface and the left side water wall surface pipe group of left side upper collecting chamber, UNICOM is in preceding next part case and the front wall between the main upper collecting chamber and the furnace roof heating surface tube group and the preceding arch tube group of boiler, UNICOM is in boiler master upper collecting chamber and the anterior radiation of burner hearth heating surface tube group between the next part case of back and the rear portion furnace roof and the back wall heating surface tube group of boiler, UNICOM is in the back next part case of boiler and the rear portion radiation of burner hearth heating surface tube group between the auxilliary upper collecting chamber, UNICOM is in boiler bottom right collection case, the right side convection bank heating surface of right upper collecting chamber and right side water wall surface pipe group be the forced circulation loop form of order connection mutually, the generation power outage if be in operation, the systemic circulation pump quits work, each heating surface of boiler can constitute natural convection loop separately automatically, immediately open exhaust steam valve, the safety of boiler has abundant assurance.Therefore, the utlity model has that boiler structure is simple, production cost is low, the thermal efficiency is high, exert oneself big and advantage such as the hydrodynamic force security is good.
Description of drawings
Fig. 1 is a forced-circulation hot water boiler general structure front view;
Fig. 2 is the side view of Fig. 1 and the half sectional view in A-A cross section;
Fig. 3 is the cutaway view in B-B cross section among Fig. 1;
Fig. 4 is the cutaway view in C-C cross section among Fig. 1.
Piece number explanation among the figure:
1, grate base, 2, traveling-grate stoker, 3, coal bunker, 4, preceding next part case, 5, burner hearth, 6, preceding arch tube group, 7, front smoke chamber, 8, front wall and anterior furnace roof heating surface tube group, 9, chimney arch, 10, main upper collecting chamber, 11, anterior radiation of burner hearth heating surface tube group, 12, auxilliary upper collecting chamber 13, rear portion radiation of burner hearth heating surface tube group, 14, rear portion furnace roof and back wall heating surface tube group, 15, backwater inlet base, 16, boiler flue gas outlet, 17, back next part case, 18, fire door, 19, heat-insulation layer, 20, flame retardant coating, 21, lower-left collection case, 22, burner hearth left side fire-resisting partition, 23, the left side exhaust gases passes, 24, left side water wall surface pipe group, 25, left side convection heating surface tube bank, 26, left side upper collecting chamber, 27, the hot water outlet base, 28, lower-left communicating pipe, 29, upper right communicating pipe, 30, right upper collecting chamber, 31, right side convection heating surface tube bank, 32, right side water wall surface pipe group, 33, the right side exhaust gases passes, 34, burner hearth right side fire-resisting partition, 35, bottom right collection case.
The specific embodiment
Below in conjunction with accompanying drawing the utility model optimum implementation is described in detail.Forced-circulation hot water boiler comprises grate base 1, traveling-grate stoker 2, coal bunker 3, chimney arch 9, fire door 18, the burner hearth left side fire-resisting partition 22 that respectively left side exhaust gases passes 23 and right side exhaust gases passes 33 and burner hearth 5 is separated and the water pipe system of burner hearth right side fire-resisting partition 34 and boiler, the boiler water tube system has the preceding next part case 4 of landscape configuration in the front wall bottom, landscape configuration is at the main upper collecting chamber 10 and the auxilliary upper collecting chamber 12 on furnace roof top, landscape configuration is at the back next part case 17 of Hou Qiang bottom, the left side vertically disposes left upper collecting chamber 26 and the lower-left collection case 21 that installs dividing plate in it, the right side vertically disposes right upper collecting chamber 30 and the bottom right collection case 35 that installs dividing plate in it, front wall and anterior furnace roof heating surface tube group 8 and the preceding arch tube group 6 that links with preceding next part case 4 and main upper collecting chamber 10 respectively, anterior radiation of burner hearth heating surface tube group 11 and rear portion furnace roof and the back wall heating surface tube group 14 that links with main upper collecting chamber 10 and back next part case 17 respectively, the rear portion radiation of burner hearth heating surface tube group 13 that links with auxilliary upper collecting chamber 12 and back next part case 17 respectively, the tube bank of left side water wall surface pipe group 24 that links with left upper collecting chamber 26 and lower-left collection case 21 and left side convection heating surface 25 respectively, the tube bank of right side water wall surface pipe group 32 that links with right upper collecting chamber 30 and bottom right collection case 35 and right side convection heating surface 31 respectively, the lower-left communicating pipe 28 that is connected with lower-left collection case 21 and preceding next part case 4, the upper right communicating pipe 29 that is connected with auxilliary upper collecting chamber 12 and right upper collecting chamber 30, backwater inlet base 15 is installed at left upper collecting chamber 26 rear portions, hot water outlet base 27 is installed in the front portion of right upper collecting chamber 30.Boiler left side and body of wall inboard, right side dispose left side exhaust gases passes 23 and the right side exhaust gases passes 33 that is connected with front smoke chamber 7 respectively, and left and right side flue gas logical 23,33 is connected; Burner hearth 5 is connected with right side exhaust gases passes 33 rear portions or left side exhaust gases passes 23 rear portions at chimney arch 9 top Hou Qiangchu, and the boiler outlet flue is located at the rear end or right side exhaust gases passes 33 rear ends of left side exhaust gases passes 23.Boiler setting and furnace roof are made of heat-insulation layer 19 and flame retardant coating 20, and are coating the boiler water tube system of boiler.
During the boiler operation, motion along with fire grate 2, bunker coal is admitted to burner hearth 5 from coal bunker 3, the flue gas that produced of burning with preceding arch tube group 6, anterior radiation of burner hearth heating surface tube group 11, rear portion radiation of burner hearth heating surface tube group 13, rear portion furnace roof and back wall heating surface tube group 14, left side water wall surface pipe group 24, when right side water wall surface pipe group 32 is carried out radiation heat transfer, flow to the burner hearth rear portion from top by rear arch 9, flow into the right side exhaust gases passes 33 of boiler then, carry out heat exchange with the right side convection heating surface tube bank 31 of arranging within it, enter the left side exhaust gases passes 23 of boiler then by front smoke chamber 7, carry out heat exchange with the left side convection heating surface tube bank 25 of arranging within it, finished with the flue gas of boiler body heating surface heat exchange and discharged boiler by boiler outlet flue 16.Boiler blow-down water then enters the rear portion of left upper collecting chamber 26 from backwater inlet base 15, because left upper collecting chamber 26 and collection case 21 inside, lower-left are equipped with several dividing plates respectively, under the obstruct and guiding of these dividing plates, enter left side water wall surface pipe group 24 and the left side convection heating surface tube bank 25 of backwater by being attached thereto at left upper collecting chamber 26 rear portions, and after forming reciprocal for several times flowing between the lower-left collection case 21, flow to the front portion of lower-left collection case 21, by entering the preceding next part case 4 of boiler lower-left communicating pipe 28, enter main upper collecting chamber 10 by front wall and anterior furnace roof heating surface tube group 8 and preceding arch tube group 6 respectively then, after enter back next part case 17 by anterior radiation of burner hearth heating surface tube group 11 and rear portion furnace roof and back wall heating surface tube group 14 again.The water that enters back next part case 17 enters auxilliary upper collecting chamber 12 by rear portion radiation of burner hearth heating surface tube group 13, enter the rear portion of right upper collecting chamber 30 then by upper right communicating pipe 29, because right upper collecting chamber 30 and collection case 35 inside, bottom right are equipped with several dividing plates respectively, under the obstruct and guiding of these dividing plates, enter right side water wall surface pipe group 32 and the right side convection heating surface tube bank 31 of water by being attached thereto at right upper collecting chamber 30 rear portions, and after forming reciprocal for several times flowing between the bottom right collection case 35, flow to the front portion of right upper collecting chamber 30, flow out boiler by hot water outlet base 27 then, finish the heat transfer process of boiler.
The utility model adopts the forced circulation technology, guarantees that in the forced circulation mode water speed in each heating surface tube of boiler is higher than the safe water speed of this thermic load when normal operation, guarantees that water-cooling wall next part case does not have deposit, thoroughly eliminates the possibility of water screen tube booster.Boiler adopts self supporting structure, and is simple in structure, and with respect to having boiler now with capacity, this boiler has not only reduced the body of heater height of steel consumption and boiler significantly, and boiler body can be prefabricated at manufactory's sub-unit, and the on-site installation work amount is little.Because the boiler convection heating surface all adopts flue gas transversal flow mode, boiler heat-transfer efficient height, it is big to exert oneself.
Claims (3)
1, a kind of forced-circulation hot water boiler, comprise grate base (1), traveling-grate stoker (2), coal bunker (3), chimney arch (9), fire door (18), the burner hearth left side fire-resisting partition (22) that respectively left side exhaust gases passes (23) and right side exhaust gases passes (33) and burner hearth (5) is separated and the water pipe system of burner hearth right side fire-resisting partition (34) and boiler, it is characterized in that the boiler water tube system has the preceding next part case (4) of landscape configuration in the front wall bottom, landscape configuration is at the main upper collecting chamber (10) and the auxilliary upper collecting chamber (12) on furnace roof top, landscape configuration is at the back next part case (17) of Hou Qiang bottom, the left side vertically disposes left upper collecting chamber (26) and the lower-left collection case (21) that installs dividing plate in it, the right side vertically disposes right upper collecting chamber (30) and the bottom right collection case (35) that installs dividing plate in it, front wall and anterior furnace roof heating surface tube group (8) and the preceding arch tube group (6) that links with preceding next part case (4) and main upper collecting chamber (10) respectively, respectively with main upper collecting chamber (10) and the anterior radiation of burner hearth heating surface tube group (11) that links of back next part case (17) and rear portion furnace roof and back wall heating surface tube group (14), respectively with auxilliary upper collecting chamber (12) and the rear portion radiation of burner hearth heating surface tube group (13) that links of back next part case (17), left side water wall surface pipe group (24) that links with left upper collecting chamber (26) and lower-left collection case (21) and left side convection heating surface tube bank (25) respectively, right side water wall surface pipe group (32) that links with right upper collecting chamber (30) and bottom right collection case (35) and right side convection heating surface tube bank (31) respectively, the lower-left communicating pipe (28) that is connected with lower-left collection case (21) and preceding next part case (4), the upper right communicating pipe (29) that is connected with auxilliary upper collecting chamber (12) and right upper collecting chamber (30), backwater inlet base (15) is installed at left upper collecting chamber (26) rear portion, hot water outlet base (27) is installed in the front portion of right upper collecting chamber (30).
2, forced-circulation hot water boiler according to claim 1, it is characterized in that boiler left side and body of wall inboard, right side dispose left side exhaust gases passes (23) and the right side exhaust gases passes (33) that is connected with front smoke chamber (7) respectively, and the left and right side flue gas leads to (23), (33) are connected; Burner hearth (5) is connected with right side exhaust gases passes (33) rear portion or left side exhaust gases passes (23) rear portion at chimney arch (9) top Hou Qiangchu, and the boiler outlet flue is located at the rear end or right side exhaust gases passes (33) rear end of left side exhaust gases passes (23).
3, forced-circulation hot water boiler according to claim 1 is characterized in that boiler setting and furnace roof are made of heat-insulation layer (19) and flame retardant coating (20), and is coating the boiler water tube system of boiler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620020852 CN200943946Y (en) | 2006-05-18 | 2006-05-18 | Forced circulation water-heating boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620020852 CN200943946Y (en) | 2006-05-18 | 2006-05-18 | Forced circulation water-heating boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200943946Y true CN200943946Y (en) | 2007-09-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620020852 Expired - Lifetime CN200943946Y (en) | 2006-05-18 | 2006-05-18 | Forced circulation water-heating boiler |
Country Status (1)
| Country | Link |
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| CN (1) | CN200943946Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101761914B (en) * | 2008-12-23 | 2011-11-23 | 哈尔滨工大格瑞环保能源科技有限公司 | Smoke circulation heat-exchange compound cycle water pipe steam boiler |
| CN101504189B (en) * | 2008-02-04 | 2012-10-31 | 无锡华光锅炉股份有限公司 | Forced-circulation self-supporting water heating boiler |
| CN102954485A (en) * | 2011-08-18 | 2013-03-06 | 哈尔滨工大格瑞环保能源科技有限公司 | Long front arch and secondary air composite structure of lignite-fired traveling grate boiler |
| CN103277781A (en) * | 2013-04-16 | 2013-09-04 | 西安交通大学 | Embedded modularized assembly water pipe fuel oil and fuel gas boiler |
| CN103791479A (en) * | 2014-01-18 | 2014-05-14 | 西安交通大学 | Novel full tube panel type efficient oil and gas fired boiler |
| CN105004043A (en) * | 2015-07-17 | 2015-10-28 | 江苏四方锅炉有限公司 | Entrained flow bed hot water boiler |
-
2006
- 2006-05-18 CN CN 200620020852 patent/CN200943946Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101504189B (en) * | 2008-02-04 | 2012-10-31 | 无锡华光锅炉股份有限公司 | Forced-circulation self-supporting water heating boiler |
| CN101761914B (en) * | 2008-12-23 | 2011-11-23 | 哈尔滨工大格瑞环保能源科技有限公司 | Smoke circulation heat-exchange compound cycle water pipe steam boiler |
| CN102954485A (en) * | 2011-08-18 | 2013-03-06 | 哈尔滨工大格瑞环保能源科技有限公司 | Long front arch and secondary air composite structure of lignite-fired traveling grate boiler |
| CN103277781A (en) * | 2013-04-16 | 2013-09-04 | 西安交通大学 | Embedded modularized assembly water pipe fuel oil and fuel gas boiler |
| CN103791479A (en) * | 2014-01-18 | 2014-05-14 | 西安交通大学 | Novel full tube panel type efficient oil and gas fired boiler |
| CN103791479B (en) * | 2014-01-18 | 2015-10-21 | 西安交通大学 | A kind of novel full tube panel formula high efficiency fuel gas fired-boiler |
| CN105004043A (en) * | 2015-07-17 | 2015-10-28 | 江苏四方锅炉有限公司 | Entrained flow bed hot water boiler |
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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 |
Granted publication date: 20070905 |
|
| EXPY | Termination of patent right or utility model |