CN201666660U - All-reverse convection unsealed water pipe boiler - Google Patents
All-reverse convection unsealed water pipe boiler Download PDFInfo
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- CN201666660U CN201666660U CN2009201637844U CN200920163784U CN201666660U CN 201666660 U CN201666660 U CN 201666660U CN 2009201637844 U CN2009201637844 U CN 2009201637844U CN 200920163784 U CN200920163784 U CN 200920163784U CN 201666660 U CN201666660 U CN 201666660U
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- collection case
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- boiler
- tube
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Abstract
The utility model relates to an all-reverse convection unsealed water pipe boiler. An upper central collection box, a lower central collection box, a lateral symmetrical water cooling wall collection box, a water cooling wall pipe, a lateral symmetrical convection pipe beam upper collection box, a lateral symmetrical convection pipe beam lower collection box, a convection pipe beam, a front traverse collection box, a back traverse collection box, an upper traverse collection box, a lower traverse collection box, a communication pipe and the like are respectively communicated to form a radiation convection heated surface and a natural circulation water path, boiler walls are respectively constructed at the outer side of the water cooling wall and the outer sides of a ceiling and the convection pipe beam for forming a boiler hearth and a three-trip smoke channel, the volume of the boiler hearth can be increased under the condition of the same size of the boiler, the utility model is favorable for sufficient combustion and dust falling in a smoke dust boiler, the water path and the smoke path are in all-reverse convection and traverse washing, and the utility model is favorable for improving the heat exchange effect and reducing the dust accumulated on the convection heated surface. Because of the unsealed structure, the utility model has the advantages of safe and reliable natural circulation, small flow resistance, advanced whole structural process and simple manufacture. Boiler drums of boilers in various kinds of types can be replaced by adopting large-size, middle-size and small-size pipes, the steel consumption can be reduced by 30 percent, the manufacture efficiency can be improved by 40 percent, the electricity consumption can be reduced by 20 percent, the initial emission concentration of the smoke dust can be reduced by 70 percent, and the utility model has the advantages of energy saving, consumption reduction and obvious emission reduction.
Description
Technical field
The utility model belongs to Thermal Power Engineering Field, relates in particular to the middle-size and small-size central heating hot-water boiler of a kind of direct supply type.
Background technology
Industrial boilers in China is at about more than 50 ten thousand with total platform number at present, only≤20t/h just account for total capacity 90%, wherein hot-water boiler accounts for 50%, obvious middle-size and small-size hot-water boiler have a large capacity and a wide range to China build a resource-conserving society and friendly environment society material impact is arranged.
Popular in the market middle-size and small-size hot-water boiler structure is equipped with drum, because of the drum diameter is big, wall thickness makes its steel consume high manufacturing cost height, the drum of cause≤20t/h all is that complete machine dispatches from the factory or split is dispatched from the factory, big drum occupation space makes combustion space less, the utmost point is unfavorable for fuel fully burning and flue dust sedimentation in stove in burner hearth, has increased the original discharge concentration of carbon content of fly ash and flue dust.Though the pipe-support type hot-water boiler of market Ceng Liuhang; tangible low-cost advantage is arranged and be convenient to increase the combustion space advantage; but but there are many shortcomings; the one, because of closed structure all need adopt forced circulation; one of making is the high circulating pump power consumption that increases of flow resistance; the 2nd, collection case domestic demand is by the dress dividing plate; in case the wrong pipe explosion accident that occurs easily in baffle design installation site; and trouble point difficult searching maintenance difficulty is big; the 3rd, the tube bank angle of bend multiplex (MUX) complexity of planting; the 4th, the strictness of power-failure protecting management expectancy; in case operate miss causes boiler breakdowns easily; the 5th, exhaust blowdown point multioperation complex management, occurring vent plug accidentally easily if any management influences normal circulation, incrustation occurs and difficult the removing even booster.Although at application number is that disclosed boiler is compared the advantage that Natural Circulation is arranged with other closed pipe-support type boiler in 200610057234.5 the patent of invention, but structurally also there is a plurality of defectives have or even major defect, as first is that wall did not have hand hole outward after stretched out at following collection box back end, center, in case incrustation can't thoroughly be removed, the secondth, with last, two the easy water circulation inequalities of only arranging communicating pipe of following center collection case influence safe operation, the 3rd is that the low vertically long easy flue gas of three backhaul gas approach (flue gas corridor) cross section vertical section is walked short circuit and is unfavorable for the convection bank heat exchange, the 4th is that smoke box cross section and volume are little, big burden and the air-introduced machine power consumption that has increased deduster of flow resistance, the 5th is that smoke box bottom is not established ash dropping hopper and can't be removed dust stratification.
Summary of the invention
The purpose of this utility model is the shortcoming at popular in the market drum boiler and pipe-support type boiler, and a kind of fall lower steel consumption and soot emissions are provided, and improves comprehensive efficiency and work efficiency, technology advanced person, make simply, stable and safe in operation is reliable, the significant hot-water boiler of saving energy, lowering energy consumption and reducing pollutants discharge.
The utility model is to realize like this, the non-airtight water-tube boiler of a kind of full counter convection current comprises: on, following center collection case, side symmetry water-cooling wall collection case, in the convection bank of side symmetry, next part case etc., last the inner and last center vertical uniform connection of collection case sidepiece of it is characterized in that a two return water screen tube, the uniform connection of top longitudinal center of its lower end and side symmetry water-cooling wall collection case, going up the inner and following center vertical uniform connection of collection case sidepiece of water-cooling wall pipe of burner hearth, its lower end and side are to vertical uniform connection of the central upper portion of holding water-cooling wall collection case, going up of preceding wall coil is inner from following center collection case front end one segment distance radial communication, its lower end and the preceding parallel connection in horizontal collection upper box part center down, horizontal uniform connection of collection lower box part transverse center with back the upper end of back wall coil, and its lower end is communicated with the upper parallel of the following horizontal collection case in back; The upper and lower side of convection bank respectively with side to holding upper and lower radial communication of next part case, the upper and lower end of communicating pipe respectively with upper and lower uniform connection of center of center collection case up and down.Following ceiling bottom constitutes burner hearth, and its top constitutes the two return flue, and the convection bank horizontal spacing constitutes three backhaul flues.
The utlity model has following remarkable advantage:
1. water route and cigarette road full counter convection current transversal flow significantly improve the heat exchange effect.2. all adopt the different model pipe to substitute the drum of different model boiler.Can reduce boiler body steel consumption about 30%.Improve boiler and make efficient 40%.3. the convection bank angle of bend is few, and geometry is simple, easily manufactured.4. furnace wall is convenient to operate and is constructed, and quality guarantees well.5. be convenient to design economic velocity, the flow resistance I reduces air-introduced machine power consumption about 20%.6. combustion space is big, and flue gas is long at residing time in furnace, sufficient combustion.7. be beneficial to the flue dust sedimentation with the afterbody smoke box in the stove and can reduce flue dust original discharge concentration about 70%.8. be convenient to the component processing assembled formation.9. the vertical layout of convection bank reduces the fouling of heating surface operational efficiency and stablizes.10. water sealing (sealing water) pipe is equipped with at the boiler top, and Natural Circulation is safe and reliable.
Description of drawings
Fig. 1 is: front view of the present utility model
Fig. 2 is: left view of the present utility model
Fig. 3 is: attached view of the present utility model
In the drawings
The 1st, fire grate, the 2nd, side symmetry water-cooling wall collection case, the 3rd, preceding lower communicating tube, the 4th, preceding horizontal collection case down, the 5th, coal bunker, the 6th, preceding arch tube, the 7th, preceding wall coil, 8 is two return side symmetry water screen tubes, the 9th, front wall, the 10th, the flue gas corridor, the 11st, following center collection case, the 12nd, preceding horizontal collection case, the 13rd, the ash disposal mouth, the 14th, last center collection case, the 15th, the pressure gauge stand, the 16th, burner hearth, the 17th, communicating pipe, the 18th, burner hearth side symmetry water screen tube, the 19th, following ceiling, the 20th, dosing mouth, the 21st, insulation material, the 22nd, the afterbody expansion space, the 23rd, the two return chimney intake, the 24th, the water seal base, the 25th, delivery port, the 26th, last communicating pipe of back, the 27th, horizontal collection case on the back, the 28th, back wall coil, the 29th, back wall, the 30th, exhaust opening, the 31st, smoke box, the 32nd, ash dropping hopper, the 33rd, the back is horizontal collection case down, the 34th, back lower communicating tube, the 35th, ash dropping hopper, the 36th, rear arch, the 37th, lighting door, the 38th, face arch, the 39th, side is to being in the charge of bundle next part case, the 40th, be communicated with bend pipe, the 41st, the side exterior wall, the 42nd, insulation material, the 43rd, convection bank, the 44th, preceding last communicating pipe, the 45th, side symmetry tube bank upper collecting chamber, the 46th, water inlet pipe, the 47th, face arch communicating pipe, the 48th, the two return flue, the 49th, last ceiling, the 50th, preceding wall coil, the 51st, furnace wall, the 52nd, both sides three backhaul flues, the 53rd, ash dropping hopper.
The specific embodiment:
Below in conjunction with accompanying drawing the utility model is described in detail, the non-airtight water-tube boiler of a kind of full counter convection current comprises, following center collection case (14) (11), side symmetry water-cooling wall collection case (2), in the convection bank of side symmetry, next part case (45) (39), before, back horizontal collection case (12) (4) (27) (33) up and down etc., it is characterized in that, vertical uniform connection of lower central of the upper end of communicating pipe (17) and last center collection case, its lower end is parallel to center collection case (11) top connection down, on it, following ceiling (49) (19) to the space of furnace wall (51) constitutes two return flue (48).The upper end of one two return side symmetry water screen tube (8) is communicated with vertical both sides of last center collection case (14), the central upper portion of its lower end and the symmetrical water-cooling wall collection case of side (2) vertically every the symmetrical water screen tube of a burner hearth side (18) be communicated with one and the like uniform.The upper end of burner hearth side symmetry water screen tube (18) and uniform connection of both sides of following center collection case (11), its lower end and the top of the symmetrical water-cooling wall collection case of side (2) justify central longitudinal to be communicated with every the symmetrical water screen tube of one one two return side (8) one and the like uniform.Going up extremely down, the space of ceiling (19) back wall (29) down to fire grate (1) side to furnace wall (51) front wall (9) constitutes burner hearth (16); The upper and lower end of face arch (38) constitutes flue gas corridor (10) to both sides furnace wall (51) to front wall (9).Constitute two return chimney intake (23) with a certain distance from following center collection case (11) rear end; Convection bank (43) can be established more than two rows, and the space constitutes three backhaul flues (52) between its tube bank.Communicating pipe (17) installs more than 4 at least, the upper end of preceding last communicating pipe (44) is communicated with collection lower box part center, following center, its lower end is communicated with preceding top of horizontal collection case (12), the lower end of preceding lower communicating tube (3) is communicated with the front upper part of side symmetry water-cooling wall collection case (2), its upper end is communicated with the preceding bottom of horizontal collection case (4) down, the lower end that is communicated with bend pipe (40) is communicated with the front upper part of side symmetry tube bank next part case (39), inner and preceding blind plate center, termination of horizontal collection case (4) down is communicated with on it, the upper end of back last communicating pipe (26) is communicated with the rear lower of last center collection case (14), its lower end vertical parallel goes up horizontal collection case (27) top in the back and is communicated with, the lower end of back lower communicating tube (34) is communicated with the upper back of side symmetry water-cooling wall collection case (2), and its upper end vertical parallel is down horizontal collection lower box part connection in the back.The front end of smoke box (31) and Hou Qiang (29) are near sealing, and its upper end is from following center collection case (11) one segment distances, and its lower end is horizontal collection case (33) one segment distances under the back, and its side and convection current wall (41) are near sealing.The front upper part setting pressure gauge stand (15) of last center collection case (14), dosing mouth (20) is installed on top therein, in its upper back water seal base (24) is installed, delivery port (25) is installed at the blind plate center in its back-end, and water inlet pipe (46) is installed in the upper back of side symmetry tube bank upper collecting chamber (45).
Its boiler water route, water inlet is from the rear portion of water inlet pipe (46) approaching side symmetry tube bank upper collecting chamber (45), dropping to side symmetry convection bank next part case (39) by convection bank (43) moves ahead, the higher water of portion temperature rises to side convection bank upper collecting chamber by convection bank (43) and moves ahead, two path water walks to front end, and the bottom is by being communicated with bend pipe (46), preceding horizontal collection case (4) down, preceding lower communicating tube (3) approaching side symmetry water-cooling wall collection case (2); Top is by entering center collection case (14) front end preceding horizontal communicating pipe (47), go backward respectively, the liter waterborne of burner hearth side symmetry water screen tube (18) enters down center collection case (11) and enters center collection case (14) by communicating pipe (17), the liter waterborne of one two return side symmetry water screen tube (8) enters center collection case (14), is divided into San Lushui and is collected to center collection case (14) and walks to delivery port (25) backward and be sent to heating system.
Boiler cigarette road, lighting door (37) igniting, overheavy firing enters burner hearth (16) and the abundant after-flame of afterbody expansion space (22) under the effect of forward and backward arch (38) (36), enter two return flue (48) to moving ahead by two return chimney intake (23), enter both sides three backhaul flues (52) by flue gas corridor (10) and walk to the termination backward and be pooled to smoke box (31), enter desulfurating dust-removing equipment by exhaust opening (30) and enter atmosphere by chimney through the flue gas that purifies.
Claims (7)
1. non-airtight water-tube boiler of full counter convection current, comprise upper and lower center collection case (14) (11), side symmetry water-cooling wall collection case (2), the side symmetry upper and lower collection case of convection bank (45) (39), forward and backward horizontal collection case (12) (4) (27) (33) up and down etc., it is characterized in that, vertical uniform connection of lower central of the upper end of communicating pipe (17) and last center collection case, its lower end is parallel to center collection case (11) top connection down, and its upper and lower ceiling (49) (19) to the space of furnace wall (51) constitutes two return flue (48).
2. the non-airtight water-tube boiler of a kind of full counter convection current according to claim 1, it is characterized in that, the upper end of one two return side symmetry water screen tube (8) is communicated with vertical both sides of last center collection case (14), the central upper portion of its lower end and side symmetry water-cooling wall collection case (2) vertically every a burner hearth side symmetry water screen tube (18) be communicated with one and the like uniform, the upper end of burner hearth side symmetry water screen tube (18) and uniform connection of both sides of following center collection case (11), its lower end and the top of the symmetrical water-cooling wall collection case of side (2) justify central longitudinal to be communicated with every the symmetrical water screen tube of one one two return side (8) one and the like uniform.
3. the non-airtight water-tube boiler of a kind of full counter convection current according to claim 1 is characterized in that, going up extremely down, the space of ceiling (19) back wall (29) down to fire grate (1) side to furnace wall (51) front wall (9) constitutes burner hearth (16); The upper and lower end of face arch (38) constitutes flue gas corridor (10) to both sides furnace wall (51) to front wall (9).
4. the non-airtight water-tube boiler of a kind of full counter convection current according to claim 1 is characterized in that, constitutes two return chimney intake (23) with a certain distance from following center collection case (11) rear end; Convection bank (43) can be established more than two rows, and the space constitutes three backhaul flues (52) between its tube bank.
5. the non-airtight water-tube boiler of a kind of full counter convection current according to claim 1, it is characterized in that, communicating pipe (17) installs more than 4 at least, the upper end of preceding last communicating pipe (44) is communicated with collection lower box part center, following center, its lower end is communicated with preceding top of horizontal collection case (12), the lower end of preceding lower communicating tube (3) is communicated with the front upper part of side symmetry water-cooling wall collection case (2), its upper end is communicated with the preceding bottom of horizontal collection case (4) down, the lower end that is communicated with bend pipe (40) is communicated with the front upper part of side symmetry tube bank next part case (39), inner and preceding blind plate center, termination of horizontal collection case (4) down is communicated with on it, the upper end of back last communicating pipe (26) is communicated with the rear lower of last center collection case (14), its lower end vertical parallel goes up horizontal collection case (27) top in the back and is communicated with, the lower end of back lower communicating tube (34) is communicated with the upper back of side symmetry water-cooling wall collection case (2), and its upper end vertical parallel is down horizontal collection lower box part connection in the back.
6. the non-airtight water-tube boiler of a kind of full counter convection current according to claim 1, it is characterized in that, the front end of smoke box (31) and Hou Qiang (29) are near sealing, its upper end is from following center collection case (11) one segment distances, its lower end is horizontal collection case (33) one segment distances under the back, and its side and convection current wall (41) are near sealing.
7. the non-airtight water-tube boiler of a kind of full counter convection current according to claim 1, it is characterized in that, the front upper part setting pressure gauge stand (15) of last center collection case (14), dosing mouth (20) is installed on top therein, in its upper back water seal base (24) is installed, delivery port (25) is installed at the blind plate center in its back-end, and water inlet pipe (46) is installed in the upper back of side symmetry tube bank upper collecting chamber (45).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201637844U CN201666660U (en) | 2009-07-15 | 2009-07-15 | All-reverse convection unsealed water pipe boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201637844U CN201666660U (en) | 2009-07-15 | 2009-07-15 | All-reverse convection unsealed water pipe boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201666660U true CN201666660U (en) | 2010-12-08 |
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ID=43267619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201637844U Expired - Fee Related CN201666660U (en) | 2009-07-15 | 2009-07-15 | All-reverse convection unsealed water pipe boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201666660U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102944058A (en) * | 2012-12-10 | 2013-02-27 | 仲伟军 | Longitudinally arranged type back-burning energy-saving single-drum horizontal type boiler |
-
2009
- 2009-07-15 CN CN2009201637844U patent/CN201666660U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102944058A (en) * | 2012-12-10 | 2013-02-27 | 仲伟军 | Longitudinally arranged type back-burning energy-saving single-drum horizontal type boiler |
| CN102944058B (en) * | 2012-12-10 | 2015-03-11 | 仲伟军 | Longitudinally arranged type back-burning energy-saving single-drum horizontal type boiler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20101208 Termination date: 20130715 |