CN203489241U - Dedusting and preheating system of wood-burning boiler - Google Patents
Dedusting and preheating system of wood-burning boiler Download PDFInfo
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- CN203489241U CN203489241U CN201320611412.XU CN201320611412U CN203489241U CN 203489241 U CN203489241 U CN 203489241U CN 201320611412 U CN201320611412 U CN 201320611412U CN 203489241 U CN203489241 U CN 203489241U
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Abstract
The utility model relates to a dedusting and preheating system of a wood-burning boiler. According to the system, a preheating and dedusting box is arranged between a flue and a chimney of the boiler, the interior of a box body is divided into three seal chambers through partition plates, wherein the upper seal chamber is an air inlet chamber, the middle seal chamber is a heat exchange chamber, and the lower seal chamber is a dedusting chamber. The upper air inlet chamber is a sealed cavity, an air inlet is formed in a top plate of the upper air inlet chamber and connected with an air outlet of the boiler through a pipeline, and the middle heat exchange chamber and the lower dedusting chamber are cavities containing water. A water outlet is formed in the box wall on the upper portion of the heat exchange chamber and connected with a water inlet of the boiler through a pipeline, and a water inlet is formed in the box wall on the lower portion of the heat exchange chamber and connected with a tap water pipe through a pipeline with a switch. A water inlet and an air outlet are formed in the box wall on the upper portion of the lower dedusting chamber, wherein the water inlet is connected with the tap water pipe through a pipeline with a switch, the air outlet of the lower dedusting chamber is connected with an air inlet of an exhaust fan through a pipeline, an air outlet of the exhaust fan is connected with an air inlet of the chimney through a pipeline, and a deslagging pipe with a switch is arranged on the box wall on the lower portion of the dedusting chamber. The dedusting and preheating system is suitable for being used in the wood-burning boiler.
Description
Technical field
The utility model is a kind of dedusting pre-heating system that fires bavin boiler, belongs to environmental technology field.
Background technology
As everyone knows, biomass boiler is to utilize plant stalk or waste wood to make the equipment of fuel to water heating generation steam or output boiling water.During this boiler work, will produce a large amount of flue dust, take away a large amount of heats simultaneously, it not only will waste thermal source, also wants contaminated environment; Being input in addition the water of boiler, is generally cold water, cool water heating be needed to a large amount of heat energy to boiling.Therefore the operating cost of this boiler is high, consumes the energy many, large to the pollution of environment, and vast boiler user urgently wishes a kind of energy-conserving and environment-protective and the low biomass boiler of operating cost comes out.
Summary of the invention
Above-mentioned defect while moving for overcoming existing biomass boiler, the utility model provides a kind of dedusting pre-heating system that is exclusively used in combustion bavin boiler, to reach the saving energy, reduces or pollutes, and reduces the object of boiler operatiopn cost.
For solving its technical problem, the technical solution adopted in the utility model is: native system comprises boiler, feed pipe, dust cleaning case and air-introduced machine, and its feature is:
1. between the flue of boiler and chimney, be provided with preheating dust cleaning case, in this casing, by baffle for separating, become three closed chambers, it is inlet plenum at the middle and upper levels, and middle level is heat-exchanging chamber, and lower floor is dirt pocket; The inlet plenum on upper strata is closed cavity, and its top board is provided with air inlet and is connected with the gas outlet of boiler by pipeline, and the heat-exchanging chamber in middle level and the dirt pocket of lower floor are the molten chamber that fills water; On the tank wall of the top of heat-exchanging chamber, be provided with delivery port and be connected with the water inlet of boiler by pipeline, on the tank wall of the bottom of heat-exchanging chamber, be provided with water inlet and also by the pipeline of belt switch, be connected with running water pipe; On the tank wall of the dirt pocket top of lower floor, be provided with water inlet and gas outlet, wherein water inlet is connected with running water pipe by the pipeline of belt switch, its gas outlet is connected with the air intake of air exhauster by pipeline, the gas outlet of air exhauster is connected with the air inlet of chimney by pipeline, is provided with the residue outlet of belt switch on the tank wall of this dirt pocket bottom;
2. described in, in the well floor of inlet plenum, be provided with a plurality of through holes, be all welded with a metal tube on each through hole, each metal tube passes the heat-exchanging chamber base plate in middle level, and extend into the dirt pocket top of lower floor;
3. described in, the dirt pocket of lower floor bottom is provided with the spiral propeller for dedusting, and the port of export of this spiral propeller is connected with the residue outlet on box body wall;
4. described in, through many metal tubes in the heat-exchanging chamber of middle level, be the aluminum pipe of stainless steel tube or good heat-transfer, nozzle diameter is 10-50mm.
Compared with prior art, of the present utility model have following features and a progress:
1. owing to being provided with preheating water tank in native system, the flue gas heat of 230 ~ 270 ℃ in flue can be heated up to the cold water in heat exchange case, allow boiler constantly supplement 80 ~ 100 ℃ of hot water, guarantee that boiler has stable steam pressure, also can save cold water is risen to 80 ~ 100 ℃ of required energy, reach energy-conservation object simultaneously;
2. because native system is provided with water deduster, make to drop in the water of dirt pocket after first, the collision cooling through many metal tubes in heat-exchanging chamber of flue dust in boiler smoke, again through the metal tube port of export not in the water of dirt pocket, flue gas is emerged to dirt pocket headroom from the water surface after water filtration, finally the escape pipe from the corresponding box body wall of dirt pocket headroom, is extracted into chimney through air exhauster and is discharged in atmosphere.Therefore the fume emission of boiler can reach national grade one discharge standard, has substantially eliminated the pollution of boiler smoke to environment, has solved people and has thirsted for a pollution difficult problem for a long time;
3. because native system is provided with the spiral propeller for investigating in dirt pocket bottom, can automatically investigate as required, can facilitate regular maintenance, reduce recondition expense, be conducive to reduce the operating cost of boiler.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated;
Fig. 1 is structural representation of the present utility model.
In figure: 1. cold water pipe, 2. hot-water line, 3. boiler, 4. appendix, 5. dust cleaning case, 6. heat-exchange tube, 7. air exhauster, 8. chimney, 9. escape pipe, 10. residue outlet, 11. spiral propellers.
The specific embodiment
With reference to accompanying drawing: the dedusting pre-heating system of the combustion bavin boiler of designing comprises cold water pipe 1, hot-water line 2, boiler 3, appendix 4, dust cleaning case 5, heat-exchange tube 6, air exhauster 7, residue outlet 10.Its feature is: between the flue of boiler 3 and chimney 8, be provided with preheating dust cleaning case 5, in this preheating dust-removing box, by baffle for separating, become three closed chambers, it is inlet plenum at the middle and upper levels, and middle level is heat-exchanging chamber, and lower floor is dirt pocket; The inlet plenum on upper strata is closed cavity, and its top board is provided with air inlet and is connected with the gas outlet of boiler 3 by gas pipeline 4, and the heat-exchanging chamber in middle level and the dirt pocket of lower floor are the molten chamber that fills water; On the tank wall of the top of heat-exchanging chamber, be provided with delivery port and be connected with the water inlet of boiler 3 by hot water pipeline 2, on the tank wall of the bottom of heat-exchanging chamber, be provided with water inlet and also by the cold water pipes 1 of belt switch, be connected with running water pipe; On the tank wall of the dirt pocket top of lower floor, be provided with water inlet and gas outlet, wherein water inlet is connected with running water pipe by the cold water pipes 1 of belt switch, its gas outlet is connected with the air intake of air exhauster 7 by escape pipe 9, the gas outlet of air exhauster 7 is connected with the air inlet of chimney 8 by pipeline, is provided with the residue outlet 10 of belt switch on the tank wall of this dirt pocket bottom;
In the well floor of described inlet plenum, be provided with a plurality of through holes, on each through hole, be all welded with the heat-exchange tube 6 of a metal, each metal tube passes the heat-exchanging chamber base plate in middle level, and extend into the dirt pocket top of lower floor;
Dirt pocket bottom in described lower floor is provided with the spiral propeller 11 for dedusting, and the port of export of this spiral propeller is connected with the residue outlet 10 on box body wall;
Described is the aluminum pipe of stainless steel tube or good heat-transfer through the many metal tubes 6 in the heat-exchanging chamber of middle level, and nozzle diameter is 10-50mm.
Claims (3)
1. a dedusting pre-heating system that fires bavin boiler, comprise boiler, feed pipe, dust cleaning case and air-introduced machine, it is characterized in that: between the flue of boiler and chimney, be provided with preheating dust cleaning case, in this casing, by baffle for separating, become three closed chambers, it is inlet plenum at the middle and upper levels, middle level is heat-exchanging chamber, and lower floor is dirt pocket; The inlet plenum on upper strata is closed cavity, and its top board is provided with air inlet and is connected with the gas outlet of boiler by pipeline, and the heat-exchanging chamber in middle level and the dirt pocket of lower floor are the molten chamber that fills water; On the tank wall of the top of heat-exchanging chamber, be provided with delivery port and be connected with the water inlet of boiler by pipeline, on the tank wall of the bottom of heat-exchanging chamber, be provided with water inlet and also by the pipeline of belt switch, be connected with running water pipe; On the tank wall of the dirt pocket top of lower floor, be provided with water inlet and gas outlet, wherein water inlet is connected with running water pipe by the pipeline of belt switch, its gas outlet is connected with the air intake of air exhauster by pipeline, the gas outlet of air exhauster is connected with the air inlet of chimney by pipeline, is provided with the residue outlet of belt switch on the tank wall of this dirt pocket bottom.
2. fire according to claim 1 the dedusting pre-heating system of bavin boiler, it is characterized in that: in the well floor of described inlet plenum, be provided with a plurality of through holes, on each through hole, be all welded with a metal tube, each metal tube passes the heat-exchanging chamber base plate in middle level, and extend into the dirt pocket top of lower floor.
3. the dedusting pre-heating system that fires according to claim 1 bavin boiler, is characterized in that: the dirt pocket bottom of described lower floor is provided with the spiral propeller for dedusting, and the port of export of this spiral propeller is connected with the residue outlet on box body wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320611412.XU CN203489241U (en) | 2013-10-01 | 2013-10-01 | Dedusting and preheating system of wood-burning boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320611412.XU CN203489241U (en) | 2013-10-01 | 2013-10-01 | Dedusting and preheating system of wood-burning boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203489241U true CN203489241U (en) | 2014-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320611412.XU Expired - Fee Related CN203489241U (en) | 2013-10-01 | 2013-10-01 | Dedusting and preheating system of wood-burning boiler |
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| CN (1) | CN203489241U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107366896A (en) * | 2017-08-31 | 2017-11-21 | 重庆市万虹饲料有限公司 | A kind of heat energy recycling steam generator system |
| CN110115887A (en) * | 2018-11-20 | 2019-08-13 | 自贡市现代秋收机械有限公司 | A kind of manufacturing method of air cleaner |
-
2013
- 2013-10-01 CN CN201320611412.XU patent/CN203489241U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107366896A (en) * | 2017-08-31 | 2017-11-21 | 重庆市万虹饲料有限公司 | A kind of heat energy recycling steam generator system |
| CN110115887A (en) * | 2018-11-20 | 2019-08-13 | 自贡市现代秋收机械有限公司 | A kind of manufacturing method of air cleaner |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140319 Termination date: 20141001 |
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| EXPY | Termination of patent right or utility model |