CN206222295U - Four backhaul smoke abatement and dust control normal-pressure boilers - Google Patents
Four backhaul smoke abatement and dust control normal-pressure boilers Download PDFInfo
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- CN206222295U CN206222295U CN201621205618.2U CN201621205618U CN206222295U CN 206222295 U CN206222295 U CN 206222295U CN 201621205618 U CN201621205618 U CN 201621205618U CN 206222295 U CN206222295 U CN 206222295U
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- flue gas
- return pass
- combustion
- smoke
- combustion tube
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Abstract
The utility model is related to four backhaul smoke abatement and dust control normal-pressure boilers, the bottom of boiler is provided with burner hearth, combuster is set in burner hearth, gasification installation is provided with above burner hearth, gasification installation is by upper face plate, lower face plate and combustion tube are constituted, upper face plate and lower face plate parallel arrangement spaced apart, perpendicularly through being connected with several combustion tubes between upper face plate and lower face plate, burner hearth both sides are provided with air inlet, combustion tube middle part offers inlet channel, inlet channel is connected with air inlet, the lower port and combustion chamber of combustion tube, the upper port of combustion tube is bocca, combustion chamber and combustion tube form the return pass of flue gas first, the return pass of flue gas second is arranged on the top of boiler and positioned at the bocca top of combustion tube, the return pass of flue gas the 3rd is located at the return pass of flue gas second top and is connected with the return pass of flue gas second.The utility model realizes smoke abatement and dust control, and soot emissions are reduced to greatest extent, realizes smokeless combustion, is effectively protected environment.
Description
Technical field
The utility model belongs to boiler plant field, and in particular to a kind of four backhauls smoke abatement and dust control normal-pressure boiler.
Background technology
Present price section, especially civil heating, villages within the city and vast rural area major part also use coal-burning boiler, and coal-fired
Burning is insufficient in big arcola generally existing stove used, and a large amount of fuel enter air with flue gas.Boiler over-emitting black exhaust is presented as, sternly
Heavily contaminated environment, also results in a large amount of wastes of coal.Because existing small scall coal-fired boiler does not possess smoke abatement and dust control function, in burning
When, volume of smoke enters air and causes environmental pollution.The flue dust that various coal-fired miniature boilers are produced in the winter time is shrouded on city
Sky, is the main cause for causing haze, and in the case where clean energy resource is not met by people's use, research and development being capable of smoke abatement and dust control
And the environmental-protection boiler of energy-conservation is the effective way for solving villages within the city and atmosphere pollution from far-off regions.Solve the basic of this problem
Approach is to improve efficiency of combustion in Boiler Furnace, and reasonable Arrangement stove internal heating surface improves boiler thermal output.
Utility model content
The purpose of this utility model is to provide a kind of four backhauls smoke abatement and dust control normal-pressure boiler.Boiler of the present utility model will
Combustible in flue gas realizes most of burning through gasification installation, the discharge of combustible in flue gas is reduced, while also saving
The energy.
The technical solution adopted in the utility model：A kind of four backhaul smoke abatement and dust control normal-pressure boilers, it includes burner hearth, burning
Room, gasification installation, air inlet, the return pass of flue gas first, the return pass of flue gas second, the return pass of flue gas the 3rd, flue gas
Four return pass and smoke-outlet flue, are provided with the bottom of boiler and combuster are set in burner hearth, burner hearth, and the top of burner hearth is set
There is gasification installation, the gasification installation is made up of upper face plate, lower face plate and combustion tube, and upper face plate is spaced apart with lower face plate
Parallel arrangement, perpendicularly through several combustion tubes are connected between upper face plate and lower face plate, air inlet is provided with burner hearth both sides
Mouthful, the combustion tube middle part offers inlet channel, and the inlet channel is connected with air inlet, lower port and the burning of combustion tube
Room connects, and the upper port of combustion tube is bocca, wherein, combustion chamber and combustion tube form the return pass of flue gas first, flue gas the
Two return passage is arranged on the top of boiler and positioned at the bocca top of combustion tube, and the return pass of flue gas the 3rd is located at flue gas the
Two return passage top and connected with the return pass of flue gas second, the return pass of flue gas first and flue gas the second return pass phase
Logical, the return pass of flue gas the 4th is made up of several smoke pipes, and the smoke pipe is connected with the 3rd return pass, and smoke-outlet flue connects with smoke pipe
It is logical.
Further, also including a upper chamber and lower chamber, the upper chamber forms a ring around smoke-outlet flue
Shape cavity, the smoke pipe cyclization shape is connected with the toroidal cavity, and wherein lower chamber connects smoke pipe with smoke-outlet flue.
Further, a diameter of 85mm of the combustion tube regular distribution, and each combustion tube.
Further, one is provided with described combustion chamber makes air-flow form the structure of whirlwind.
Its advantage is the utility model compared with prior art：The utility model can make the cigarette produced during boiler combustion
Gas forms cyclone in the apparatus, while further gasification oxygenation detonation, makes the carbon dioxide reduction in flue gas for carbon monoxide,
Combustible is fully burned in flue gas, so as to reach the purpose of smoke abatement and dust control, also have the advantages that it is combustion-supporting, economize on coal；This practicality
It is new to be arranged using rational heating surface, compact conformation, connection and reasonable arrangement, the heat in combustion gas is by four backhauls in the boiler
Absorbed, be effectively improved boiler thermal output；Combustible major part burns device coal of the present utility model in the boiler, burning
Efficiency effectively saves fuel up to 97%, can economize on coal more than 30%；Boiler of the present utility model realizes smoke abatement and dust control, maximum
Limit reduces soot emissions, realizes smokeless combustion, is effectively protected environment, while boiler thermal output is up to 79%.
Boiler of the present utility model is by operation, and smoke medicining dust-removing effect is good, under nominal situation, realizes that boiler is arranged without black smoke
Put, table 1 is that boiler of the present utility model tests the data obtained through Beijing environment protection equipment inspection center.
Table 1
| Detection project | Unit | Detected value |
| SO2 average emission concentration | 139 | |
| NO2 average emission concentration | 165 | |
| Lingemann blackness | Level | 1 |
| Boiler thermal output | --- | 79.1% |
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the sectional view in Fig. 1 along A-A.
Specific embodiment
As shown in figure 1, a kind of four backhauls smoke abatement and dust control normal-pressure boiler, it includes burner hearth 1, combustion chamber 2, gasification installation, enters
Gas port 3, the first return pass of flue gas 4, the second return pass of flue gas 5, the return pass 6 of flue gas the 3rd, the return pass of flue gas the 4th
7th, smoke-outlet flue 8, upper chamber 9 and lower chamber 10, are provided with the bottom of boiler and combuster are set in burner hearth 1, burner hearth 1
2, the top of burner hearth 1 is provided with gasification installation, and the gasification installation is made up of upper face plate 11, lower face plate 12 and combustion tube 13, on
Card 11 and the parallel arrangement spaced apart of lower face plate 12, perpendicularly through being connected between upper face plate 11 and lower face plate 12
Several combustion tubes 13, air inlet 3 is provided with the both sides of burner hearth 1, and the middle part of the combustion tube 13 offers inlet channel 14, it is described enter
Gas passage 14 is connected with air inlet 3, and the lower port of combustion tube 13 is connected with combustion chamber 2, and the upper port of combustion tube 13 is bocca
15, wherein, combustion chamber 2 and combustion tube 13 form the first return pass of flue gas 4, and the second return pass of flue gas 5 is arranged on boiler
Top and positioned at the top of bocca 15 of combustion tube 13, the return pass 6 of flue gas the 3rd be located at the top of the second return pass of flue gas 5 and
Connected with the second return pass of flue gas 5, the first return pass of flue gas 4 is communicated with the second return pass of flue gas 5, the backhaul of flue gas the 4th
Passage 7 is made up of several smoke pipes 16, and the smoke pipe 16 is connected with the 3rd return pass, and smoke-outlet flue 8 is connected with smoke pipe 16.
As Fig. 2, the utility model middle and upper part chamber 9 form a toroidal cavity around smoke-outlet flue 8, the smoke pipe 16 is cyclic
Shape is connected with the toroidal cavity, and wherein lower chamber 10 connects smoke pipe 16 with smoke-outlet flue 8.Described in the utility model
The regular distribution of combustion tube 13, and each combustion tube 13 a diameter of 85mm.Being provided with one in combustion chamber 2 in the utility model makes gas
Stream forms the structure of whirlwind.
Operation principle of the present utility model is, after coal catches fire in burner hearth, the gasification installation that flue gas enters in stove, flue gas exists
Reheating in gasification installation, reaches burning-point, uniform Secondary Air in gasification installation, and in the presence of Secondary Air, high-temperature flue gas exist
Gasification installation outlet is realized burning completely, and combustible major part burns in coal, and its efficiency of combustion is up to more than 97%.Due to boiler
Four return pass structures are employed, flue gas realizes boiler by four radiatings of backhaul in stove, heat by the most of absorption of boiler
The thermal efficiency higher, up to 79%, compared with conventional boiler, the thermal efficiency improves 20% to its thermal efficiency.
Claims (4)
1. four backhaul smoke abatement and dust control normal-pressure boiler, it includes that burner hearth, combustion chamber, gasification installation, air inlet, the backhaul of flue gas first are led to
Road, the return pass of flue gas second, the return pass of flue gas the 3rd, the return pass of flue gas the 4th and smoke-outlet flue, it is characterised in that
The bottom of boiler is provided with and combuster is set in burner hearth, burner hearth, and gasification installation, the gasification installation are provided with above burner hearth
It is made up of upper face plate, lower face plate and combustion tube, upper face plate and lower face plate parallel arrangement spaced apart, in upper face plate and lower flower
Perpendicularly through several combustion tubes are connected between plate, burner hearth both sides are provided with air inlet, the combustion tube middle part offers
Inlet channel, the inlet channel is connected with air inlet, the lower port and combustion chamber of combustion tube, and the upper port of combustion tube is
Bocca, wherein, combustion chamber and combustion tube form the return pass of flue gas first, and the return pass of flue gas second is arranged on the upper of boiler
Portion and positioned at the bocca top of combustion tube, the return pass of flue gas the 3rd be located at the return pass of flue gas second top and with flue gas the
Two return channel connection, the return pass of flue gas first is communicated with the return pass of flue gas second, and the return pass of flue gas the 4th is by several
Smoke pipe is constituted, and the smoke pipe is connected with the 3rd return pass, and smoke-outlet flue is connected with smoke pipe.
2. four backhauls smoke abatement and dust control normal-pressure boiler according to claim 1, it is characterised in that also including a upper chamber and
Lower chamber, the upper chamber forms a toroidal cavity around smoke-outlet flue, and the smoke pipe cyclization shape is empty with the annular
Chamber connects, and wherein lower chamber connects smoke pipe with smoke-outlet flue.
3. four backhauls smoke abatement and dust control normal-pressure boiler according to claim 1, it is characterised in that the combustion tube rule point
Cloth, and each combustion tube a diameter of 85mm.
4. four backhauls smoke abatement and dust control normal-pressure boiler according to claim 1, it is characterised in that set in described combustion chamber
Having one makes air-flow form the structure of whirlwind.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621205618.2U CN206222295U (en) | 2016-11-09 | 2016-11-09 | Four backhaul smoke abatement and dust control normal-pressure boilers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621205618.2U CN206222295U (en) | 2016-11-09 | 2016-11-09 | Four backhaul smoke abatement and dust control normal-pressure boilers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206222295U true CN206222295U (en) | 2017-06-06 |
Family
ID=58793116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621205618.2U Active CN206222295U (en) | 2016-11-09 | 2016-11-09 | Four backhaul smoke abatement and dust control normal-pressure boilers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206222295U (en) |
-
2016
- 2016-11-09 CN CN201621205618.2U patent/CN206222295U/en active Active
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