CN203286754U - Ordinary pressure vertical smokeless boiler - Google Patents

Ordinary pressure vertical smokeless boiler Download PDF

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Publication number
CN203286754U
CN203286754U CN2013203452213U CN201320345221U CN203286754U CN 203286754 U CN203286754 U CN 203286754U CN 2013203452213 U CN2013203452213 U CN 2013203452213U CN 201320345221 U CN201320345221 U CN 201320345221U CN 203286754 U CN203286754 U CN 203286754U
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China
Prior art keywords
smoke box
box
secondary air
smoke
boiler
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CN2013203452213U
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Chinese (zh)
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杨杏枝
朱卫民
武红蕾
郭青林
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SHANXI TELAND BOILER CO Ltd
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SHANXI TELAND BOILER CO Ltd
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Abstract

The utility model provides an ordinary pressure vertical smokeless boiler which solves the problem that a traditional boiler is low in fire coal heat utilization rate, low in heat conducting efficiency and the like. The boiler comprises a boiler tube, and a water return orifice, a water outlet orifice and an exhaust orifice are arranged on a boiler tube wall. A lower hearth, an upper hearth and a secondary combustor are arranged at the bottom in the boiler tube, a first smoke box is arranged above the upper hearth, and a secondary combustion smoke box is arranged at the top of the second combustor. A second smoke box and a third smoke box are arranged at the top in the boiler tube, and a chimney is arranged at the top of the second smoke box. The first smoke box is respectively communicated with the second smoke box and the third smoke box through convection banks, and the secondary combustion smoke box is communicated with the third smoke box through a convection bank. The ordinary pressure vertical smokeless boiler is novel in design, reasonable in structure and simple and convenient to operate, integrates smoke abatement, dust removing, energy saving and efficiency, the boiler can sufficiently combust combustible materials in a fuel, most energy released by the fuel can be absorbed in the boiler, heat exchange frequency of a heat medium and high temperature smoke is large, so that heat exchange speed and heat exchange rate are improved.

Description

Constant pressure vertical smokeless boiler
Technical field
The utility model relates to a kind of heating equipment, specifically a kind of smoke elimination, dedusting, energy-conservation, constant pressure vertical smokeless boiler efficiently of integrating.
Background technology
for a long time, in traditional heating equipment, hand bakes determines the fire grate hot-water boiler, because of its combustion apparatus simple, cost is low, easy and simple to handle, ignition condition is superior, the coal scope of application extensively and always continued to use for three more than ten years, but because there is drawback in the Structural Tectonics of traditional boiler, there are many drawbacks, for example: the fire coal of conventional boiler is in airtight space, make fired coal combustion incomplete, produce a large amount of carbon monoxide imflammable gas, CO gas enters atmosphere, caused the pollution of environment, the fugitive constituent that decomposites when fire coal is heated does not simultaneously mate with the required air capacity of burning, fugitive constituent pyrolytic incomplete combustion, caused the over-emitting black exhaust phenomenon, make coal-fired heat utilization efficiency reduce, for another example: conventional boiler, due to the restriction of internal structure, causes heat exchanger effectiveness not high, and firing rate is slow, hot water length consuming time, poor effect.
Summary of the invention
The purpose of this utility model is to have the problems such as the coal fuel heating utilization rate is low, heat transfer efficiency is low in order to solve conventional boiler, and a kind of constant pressure vertical smokeless boiler is provided.
The utility model is achieved through the following technical solutions:
A kind of constant pressure vertical smokeless boiler, comprise the stove cylinder with heat-insulation layer, and bottom and the top of stove cylinder sidewall are respectively equipped with the backwater mouth of pipe and effluent pipe mouth, and the top board of stove cylinder is provided with nosepipe; Bottom in the stove cylinder is equipped with the lower hearth with fire grate, the top of lower hearth is equipped with upper furnace and the secondary burner (pipeline in secondary burner communicates with lower hearth) that communicates with lower hearth, stove cylinder sidewall is provided with the fire door that communicates with upper and lower burner hearth and the secondary air intake pipe that communicates with secondary burner (secondary air intake pipe communicates with the pipeline in secondary burner, for secondary burner provides Secondary Air); The top of upper furnace is provided with the first smoke box, and the top of secondary burner is equipped with the second-time burning smoke box (pipeline in secondary burner communicates with the second-time burning smoke box) that communicates with secondary burner; Top in the stove cylinder is provided with the second smoke box and the 3rd smoke box, the second smoke box top is provided with the chimney that communicates with the second smoke box, it is outside that the port of export of chimney extends stove cylinder top board, be connected and communicate by the first convection bank between the second smoke box and the first smoke box, be connected and communicate by the second convection bank between the 3rd smoke box and the first smoke box, be connected and communicate by the 3rd convection bank between the 3rd smoke box and second-time burning smoke box simultaneously.
the utility model boiler is a kind of heating equipment take coal as fuel, coal-fired after the fire grate up-igniting of lower hearth, increase coal seam thickness, make it to reach the 300-400mm left and right, to fire prosperous anthracite during coal and push the rear portion of lower hearth, the outer thermal medium of the flue gas that the fire coal in upper and lower burner hearth generates and burner hearth carries out heat exchange for the first time, the coal initial stage, coal seam is thick, flowing resistance is large, supply falls short of demand for air in burner hearth, cause coal-fired anoxycausis to produce a large amount of carbon monoxide and itself at high temperature decomposite flammable fugitive constituent and imflammable gas with coal-fired, carbon monoxide, fugitive constituent and imflammable gas enter in secondary burner, heat up and with secondary air intake pipe after the Secondary Air of confession mixes, second-time burning occurs in the second-time burning smoke box, make the further completing combustion of bituminous coal, both improved the heat utilization ratio of boiler, reach again the effect of smoke abatement and dust control, stopped the phenomenon of boiler over-emitting black exhaust, the inside and outside thermal medium of high-temperature flue gas in the second-time burning smoke box and second-time burning smoke box carries out heat exchange for the second time.High-temperature flue gas after second-time burning upwards flows, enter the 3rd convection bank, flue gas in the 3rd convection bank carries out heat exchange for the third time with the thermal medium outside tube bank, enter afterwards the 3rd smoke box, high-temperature flue gas in the 3rd smoke box carries out the 4th heat exchange with the 3rd smoke box thermal medium outward, and afterwards 180 0The smoke gas flow of turning back enters the second convection bank, flue gas in the second convection bank carries out the 5th heat exchange with the thermal medium outside tube bank, enter afterwards the first smoke box, the high-temperature flue gas in the first smoke box carries out the 6th heat exchange with the first smoke box thermal medium outward, and afterwards 180 0The smoke gas flow of turning back enters the first convection bank, flue gas in the first convection bank carries out the 7th heat exchange with the thermal medium outside tube bank, enter afterwards the second smoke box, the outer thermal medium of high-temperature flue gas in the second smoke box and the second smoke box carries out the 8th heat exchange, through after the heat exchanging process of these circulations, the temperature of flue gas is reduced to 170 0Left and right enters atmosphere by chimney, has improved greatly the thermal efficiency of boiler, has saved the energy; Entrained flue dust in high-temperature flue gas, through two 180 0Turn back after, all be deposited in three smoke boxes, when flue gas finally reaches the smoke stack emission mouth, reached smokeless and dust free, meet country's " emission standard of air pollutants for boilers ".
Further, described secondary burner comprises heat storage and the secondary air box that is arranged on the heat storage top; Evenly offer several vertical guide through hole on heat storage, several Secondary Air sleeve pipes are installed in secondary air box, the Secondary Air sleeve pipe comprises outer tube and inner tube, two mouths of pipe of outer tube are individually fixed on the top board and base plate of secondary air box, and on the top board of secondary air box and base plate, the position of the corresponding outer tube mouth of pipe offers the air port that communicates with outer tube, inner tube is inserted in outer tube, and fixes by tie-beam between inner and outer tubes, all offers some passages on the tube wall of outer tube and inner tube; The quantity of the guide through hole on the Secondary Air sleeve pipe in secondary air box and heat storage is identical and position is corresponding one by one, and the diameter of inner pipe of Secondary Air sleeve pipe is identical with the diameter of guide through hole and both to its setting; Secondary air intake pipe is fixed on the side plate of secondary air box and with the secondary air box inner space, communicates, and the import department of secondary air intake pipe is equipped with air register; The second-time burning smoke box is arranged on the secondary air box top, and the Secondary Air sleeve pipe in secondary air box communicates with the second-time burning smoke box.Flue gas in burner hearth rises by the heating of the guide through hole on heat storage, enter in the Secondary Air sleeve pipe after with secondary air intake pipe the Secondary Air of confession mix, enter into second-time burning smoke box generation second-time burning.This secondary burner is imflammable gas and the volatile matter of incomplete combustion further, by second-time burning, solved fuel combustion not exclusively, the phenomenon such as over-emitting black exhaust, further improved fuel utilization rate, saved the energy, purified air.
Be provided with wall with refractory lining, refracto on the sidewall of lower hearth.The design of wall with refractory lining, refracto has improved the temperature of burner hearth, has guaranteed the continuous burning of fuel.
Upper furnace is fixed with the horizontal water tube that runs through upper furnace, and the second smoke box is fixed with the horizontal water tube that runs through the second smoke box, and the 3rd smoke box is fixed with the horizontal water tube that runs through the 3rd smoke box.Be that horizontal water tube directly passes upper furnace, the second smoke box, the 3rd smoke box, the thermal medium in the stove cylinder can flow through from horizontal water tube.When thermal medium passes in horizontal water tube on upper furnace, heat exchange occurs, thermal medium has absorbed the energy that in burner hearth, fired coal combustion discharges, and the temperature of boiler is risen fast; When thermal medium passes in the horizontal water tube of second and third smoke box, with the high-temperature flue gas in second and third smoke box, heat exchange occurring again, has further improved the thermal efficiency of boiler.
All be provided with cleaning door on the first smoke box, the second smoke box, the 3rd smoke box and second-time burning smoke box, it is outside that the port of cleaning door extends stove cylinder sidewall, and shoot door is installed on cleaning door.Can regularly to the flue dust in the first smoke box, the second smoke box, the 3rd smoke box and second-time burning smoke box, clean by cleaning door, reduce flue gas resistance little, without poly-grey phenomenon, extended again the time of staying of flue gas in pipeline, improved the heat utilization efficiency of boiler, guaranteed that boiler is normal, operation efficiently.
The characteristics of the utility model boiler are: 1. the combustible in fuel is fully burnt; 2. the energy of fuel release, absorb at boiler internal as much as possible; 3, the heat exchange of thermal medium and high-temperature flue gas often, has improved speed and the rate of heat exchange of heat exchange.The utility model boiler adopts large chamber structure, and the burner hearth surrounding is provided with wall with refractory lining, refracto, has improved the temperature of burner hearth, has guaranteed the continuous burning of fuel; High seam burning, the large flame temperature of combustion intensity can reach degree more than 1000, and burning time is long, and individual hour of coal incendivity 3-5 has reduced the opening times of fire door, and flue gas loss, makes saving coals from boiler 30%; The minimizing of coal number of times, reduced operating personnel's labour intensity; The vertical structure of the utility model boiler, floor space is little, and the boiler room cost has reduced 30-50%; Need not drum air inducing facility, user's investment operating cost reduces, and makes the power consumption of boiler reduce by 30%; The cleaning door of body of heater surrounding, be convenient in time clear up ashes, and is rational in infrastructure, easy and simple to handle, extended the service life of boiler.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the right view of Fig. 1.
Fig. 3 is the structural representation of secondary burner in the utility model.
Fig. 4 is the structural representation of secondary air box in secondary burner.
Fig. 5 is the top view of Fig. 3.
in figure: 1-stove cylinder, the 2-heat-insulation layer, the 3-backwater mouth of pipe, the 4-effluent pipe mouth, the 5-nosepipe, the 6-lower hearth, the 7-fire grate, the 8-upper furnace, the 9-secondary burner, the 9-1-heat storage, the 9-1-a-guide through hole, the 9-2-secondary air box, 9-3-Secondary Air sleeve pipe, the 9-3-a-outer tube, the 9-3-b-inner tube, the 9-3-c-tie-beam, the 9-3-d-passage, the 10-fire door, the 11-secondary air intake pipe, the 11-1-air register, 12-the first smoke box, 13-second-time burning smoke box, 14-the second smoke box, 15-the 3rd smoke box, the 16-chimney, 17-the first convection bank, 18-the second convection bank, 19-the 3rd convection bank, the 20-wall with refractory lining, refracto, the 21-horizontal water tube, the 22-cleaning door.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is further described:
As shown in Figure 1, 2, a kind of constant pressure vertical smokeless boiler, comprise the stove cylinder 1 with heat-insulation layer 2, and the bottom of stove cylinder 1 sidewall and top are respectively equipped with the backwater mouth of pipe 3 and effluent pipe mouth 4, and the top board of stove cylinder 1 is provided with nosepipe 5; Bottom in stove cylinder 1 is equipped with the lower hearth 6 with fire grate 7, the top of lower hearth 6 is equipped with upper furnace 8 and the secondary burner 9 that communicates with lower hearth 6, and stove cylinder 1 sidewall is provided with and upper and lower burner hearth 8,6 fire doors that communicate 10 and the secondary air intake pipe 11 that communicates with secondary burner 9; The top of upper furnace 8 is provided with the first smoke box 12, and the top of secondary burner 9 is equipped with the second-time burning smoke box 13 that communicates with secondary burner 9; Top in stove cylinder 1 is provided with the second smoke box 14 and the 3rd smoke box 15, the second smoke box 14 tops are provided with the chimney 16 that communicates with the second smoke box 14, it is outside that the port of export of chimney 16 extends stove cylinder 1 top board, be connected and communicate by the first convection bank 17 between the second smoke box 14 and the first smoke box 12, be connected and communicate by the second convection bank 18 between the 3rd smoke box 15 and the first smoke box 12, be connected and communicate by the 3rd convection bank 19 between the 3rd smoke box 15 and second-time burning smoke box 13 simultaneously.
during concrete enforcement, described secondary burner 9 is as shown in Fig. 3,4,5, and it comprises heat storage 9-1 and the secondary air box 9-2 that is arranged on heat storage 9-1 top, evenly offer several vertical guide through hole 9-1-a on heat storage 9-1, several Secondary Air sleeve pipes 9-3 is installed in secondary air box 9-2, Secondary Air sleeve pipe 9-3 comprises outer tube 9-3-a and inner tube 9-3-b, two mouths of pipe of outer tube 9-3-a are individually fixed on the top board and base plate of secondary air box 9-2, and on the top board of secondary air box 9-2 and base plate, the position of the corresponding outer tube 9-3-a mouth of pipe offers the air port that communicates with outer tube 9-3-a, inner tube 9-3-b is inserted in outer tube 9-3-a, and fix by tie-beam 9-3-c between inner tube 9-3-b and outer tube 9-3-a, all offer some passage 9-3-d on the tube wall of outer tube 9-3-a and inner tube 9-3-b, the quantity of guide through hole 9-1-a on Secondary Air sleeve pipe 9-3 in secondary air box 9-2 and heat storage 9-1 is identical and position is corresponding one by one, and the inner tube 9-3-b diameter of Secondary Air sleeve pipe 9-3 is identical with the diameter of guide through hole 9-1-a and both to its setting, secondary air intake pipe 9-3 is fixed on the side plate of secondary air box 9-2 and with secondary air box 9-2 inner space, communicates, and the import department of secondary air intake pipe 11 is equipped with air register 11-1, second-time burning smoke box 13 is arranged on secondary air box 9-2 top, and the Secondary Air sleeve pipe 9-3 in secondary air box 9-2 communicates with second-time burning smoke box 13.
Further, be provided with wall with refractory lining, refracto 20 on the sidewall of lower hearth 6.Upper furnace 8 is fixed with horizontal water tube 21, the second smoke boxes 14 that run through upper furnace 8 and is fixed with horizontal water tube 21, the three smoke boxes 15 that run through the second smoke box 14 and is fixed with the horizontal water tube 21 that runs through the 3rd smoke box 15.All be provided with cleaning door 22 on the first smoke box 12, the second smoke box 14, the 3rd smoke box 15 and second-time burning smoke box 13, it is outside that the port of cleaning door 22 extends stove cylinder 1 sidewall, on cleaning door 22, shoot door is installed.

Claims (9)

1. constant pressure vertical smokeless boiler, it is characterized in that: the stove cylinder (1) that comprises band heat-insulation layer (2), the bottom of stove cylinder (1) sidewall and top are respectively equipped with the backwater mouth of pipe (3) and effluent pipe mouth (4), and the top board of stove cylinder (1) is provided with nosepipe (5), bottom in stove cylinder (1) is equipped with the lower hearth (6) of band fire grate (7), the top of lower hearth (6) is equipped with upper furnace (8) and the secondary burner (9) that communicates with lower hearth (6), and stove cylinder (1) sidewall is provided with the fire door (10) that communicates with upper and lower burner hearth (8,6) and the secondary air intake pipe (11) that communicates with secondary burner (9), the top of upper furnace (8) is provided with the first smoke box (12), and the top of secondary burner (9) is equipped with the second-time burning smoke box (13) that communicates with secondary burner (9), top in stove cylinder (1) is provided with the second smoke box (14) and the 3rd smoke box (15), the second smoke box (14) top is provided with the chimney (16) that communicates with the second smoke box (14), it is outside that the port of export of chimney (16) extends stove cylinder (1) top board, be connected and communicate by the first convection bank (17) between the second smoke box (14) and the first smoke box (12), be connected and communicate by the second convection bank (18) between the 3rd smoke box (15) and the first smoke box (12), simultaneously be connected and communicate by the 3rd convection bank (19) between the 3rd smoke box (15) and second-time burning smoke box (13).
2. constant pressure vertical smokeless boiler according to claim 1, it is characterized in that: described secondary burner (9) comprises heat storage (9-1) and is arranged on the secondary air box (9-2) at heat storage (9-1) top, evenly offer several vertical guide through hole (9-1-a) on heat storage (9-1), several Secondary Air sleeve pipes (9-3) are installed in secondary air box (9-2), Secondary Air sleeve pipe (9-3) comprises outer tube (9-3-a) and inner tube (9-3-b), two mouths of pipe of outer tube (9-3-a) are individually fixed on the top board and base plate of secondary air box (9-2), and on the top board of secondary air box (9-2) and base plate, the position of corresponding outer tube (9-3-a) mouth of pipe offers the air port that communicates with outer tube (9-3-a), inner tube (9-3-b) is inserted in outer tube (9-3-a), and fixing by tie-beam (9-3-c) between inner tube (9-3-b) and outer tube (9-3-a), all offer some passages (9-3-d) on the tube wall of outer tube (9-3-a) and inner tube (9-3-b), the quantity of the guide through hole (9-1-a) on the Secondary Air sleeve pipe (9-3) in secondary air box (9-2) and heat storage (9-1) is identical and position is corresponding one by one, inner tube (9-3-b) diameter of Secondary Air sleeve pipe (9-3) and the diameter of guide through hole (9-1-a) is identical and both to its setting, secondary air intake pipe (9-3) is fixed on the side plate of secondary air box (9-2) and with secondary air box (9-2) inner space, communicates, and the import department of secondary air intake pipe (11) is equipped with air register (11-1), second-time burning smoke box (13) is arranged on secondary air box (9-2) top, and the Secondary Air sleeve pipe (9-3) in secondary air box (9-2) communicates with second-time burning smoke box (13).
3. constant pressure vertical smokeless boiler according to claim 1 and 2, is characterized in that: be provided with wall with refractory lining, refracto (20) on the sidewall of lower hearth (6).
4. constant pressure vertical smokeless boiler according to claim 1 and 2, it is characterized in that: upper furnace (8) is fixed with the horizontal water tube (21) that runs through upper furnace (8), the second smoke box (14) is fixed with the horizontal water tube (21) that runs through the second smoke box (14), and the 3rd smoke box (15) is fixed with the horizontal water tube (21) that runs through the 3rd smoke box (15).
5. constant pressure vertical smokeless boiler according to claim 3, it is characterized in that: upper furnace (8) is fixed with the horizontal water tube (21) that runs through upper furnace (8), the second smoke box (14) is fixed with the horizontal water tube (21) that runs through the second smoke box (14), and the 3rd smoke box (15) is fixed with the horizontal water tube (21) that runs through the 3rd smoke box (15).
6. constant pressure vertical smokeless boiler according to claim 1 and 2, it is characterized in that: all be provided with cleaning door (22) on the first smoke box (12), the second smoke box (14), the 3rd smoke box (15) and second-time burning smoke box (13), it is outside that the port of cleaning door (22) extends stove cylinder (1) sidewall, and cleaning door is equipped with shoot door on (22).
7. constant pressure vertical smokeless boiler according to claim 3, it is characterized in that: all be provided with cleaning door (22) on the first smoke box (12), the second smoke box (14), the 3rd smoke box (15) and second-time burning smoke box (13), it is outside that the port of cleaning door (22) extends stove cylinder (1) sidewall, and cleaning door is equipped with shoot door on (22).
8. constant pressure vertical smokeless boiler according to claim 4, it is characterized in that: all be provided with cleaning door (22) on the first smoke box (12), the second smoke box (14), the 3rd smoke box (15) and second-time burning smoke box (13), it is outside that the port of cleaning door (22) extends stove cylinder (1) sidewall, and cleaning door is equipped with shoot door on (22).
9. constant pressure vertical smokeless boiler according to claim 5, it is characterized in that: all be provided with cleaning door (22) on the first smoke box (12), the second smoke box (14), the 3rd smoke box (15) and second-time burning smoke box (13), it is outside that the port of cleaning door (22) extends stove cylinder (1) sidewall, and cleaning door is equipped with shoot door on (22).
CN2013203452213U 2013-06-17 2013-06-17 Ordinary pressure vertical smokeless boiler Active CN203286754U (en)

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CN2013203452213U CN203286754U (en) 2013-06-17 2013-06-17 Ordinary pressure vertical smokeless boiler

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103673284A (en) * 2013-11-26 2014-03-26 山西天兰锅炉有限公司 Smoke-free and environment-friendly multi-pipe secondary combustion water boiler

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103673284A (en) * 2013-11-26 2014-03-26 山西天兰锅炉有限公司 Smoke-free and environment-friendly multi-pipe secondary combustion water boiler

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