CN203703946U - Heat recovery unit employing solid fuel - Google Patents
Heat recovery unit employing solid fuel Download PDFInfo
- Publication number
- CN203703946U CN203703946U CN201420004191.4U CN201420004191U CN203703946U CN 203703946 U CN203703946 U CN 203703946U CN 201420004191 U CN201420004191 U CN 201420004191U CN 203703946 U CN203703946 U CN 203703946U
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- CN
- China
- Prior art keywords
- combustion chamber
- air
- fuel
- air flue
- solid fuel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Solid-Fuel Combustion (AREA)
Abstract
The utility model discloses a heat recovery unit employing solid fuel, and the heat recovery unit comprises a hollow cylindrical furnace body. The interior of the furnace body is provided with a combustion chamber. The front end of the furnace body is provided with an exhaust pipe which is communicated with the combustion chamber. The rear end of the furnace body is provided with a fuel feeding mouth. The outer side of the combustion chamber is provided with a first air passage. A first air supply part supplies air to the first air passage. Four walls of the combustion chamber are respectively provided with a plurality of air propellers which are used for the passing of air. The air propellers are communicated with the first air passage and the combustion chamber. The rear end of the combustion chamber is provided with an ignition device. An ignition rod is connected with the ignition device, and can stretch into the combustion chamber. The heat recovery unit provided by the utility model can put fuel in a side manner after carbon burning, and prevent fire from coming reversely. The heat recovery unit enables the combustion to be strengthened to maximum degree. The burning temperature remains between 800 DEG C to 900 DEG C, thereby prompting the oxidation of hydrocarbon, CO and CO2, and remarkably reducing the exhaust emission.
Description
Technical field
The relevant one of the utility model is utilized solid-fuelled recuperation of heat burner, is convenient to better carry out solid-fuelled burning, can be to greatest extent by heat energy feedway and recuperation of heat extension.
Background technology
Needing in general in hot water for recruitment, steam or high temperature gas-cooled industry, is to obtain thermal energy, all adopts the burner that carries out fuel ignition, burning in inside, combustion chamber and produce thermal energy.Or by the fuel using in this burner, by the RDF(Refuse Derived Fuel of domestic refuse turning sludge into fuel) or by the RDF(Refuse Derived Fuel of waste plastics turning sludge into fuel), fuel is burnt in burner, provide various industries required thermal source.
The fuel mentioned above, caloric value is high, utilizes discarded object to carry out fuel reproduction product, and cost is low.Moreover, because it is recycled to refuse, when burning, non-corrosiveness material produces, and in storeroom, without separately establishing the advantages such as safety means, is used as thermal source supply mean and is widely used in industrial circle.In addition, the particle such as timber, stalk is also widely used as fuel.
But, in the process that a large amount of input solid fuels burn in the combustion chamber of burner bottom, because causing waste of fuel, the low inferior problem of the thermal efficiency, imperfect combustion exists always all the time.The burning source of the gas heating wall of burner not only makes heat be caused heat loss large by lost, also causes production cost to strengthen because the heat-barrier materials such as refractory brick need be set in burner, and structure space is also occupied in a large number.
Summary of the invention
The utility model provides a kind of heat reclamation device of buring solid fuel, to solve the technical problem existing in background technology.
The heat reclamation device of a kind of buring solid fuel of the present utility model for this reason, wherein, comprise the body of heater of hollow circle tube, the inside of described body of heater is provided with combustion chamber, the front end of described body of heater has blast pipe and is connected with described combustion chamber, the rear end of described body of heater is provided with fuel input port, outside, described combustion chamber is provided with the first air flue, the first air supply portion gives described the first air flue air-supply, the surrounding wall of described combustion chamber is provided with multiple air propellers that pass through for air, described air propeller is communicated with described the first air flue and described combustion chamber, rear end, described combustion chamber is provided with igniter, fire rod is connected with described igniter and can stretches in described combustion chamber.
The heat reclamation device of described buring solid fuel, wherein, described the first air flue outside is provided with the second air flue for lowering the temperature, and the second air supply portion gives described the second air flue air-supply, and the rear portion of described the second air flue is communicated with the first air flue.
The heat reclamation device of described buring solid fuel, wherein, described fuel input port is communicated with described combustion chamber by spiral pushing device, and motor is connected with described spiral pushing device, drives described spiral pushing device motion.
The heat reclamation device of described buring solid fuel, wherein, the rear of described combustion chamber forms the inclined-plane that promotes that fuel glides.
The heat reclamation device of described buring solid fuel, wherein, described fire rod can stretch in described igniter, when contraction described in fire rod enter in the scope of described the first air flue and protected, while stretching out, enter igniting in described combustion chamber.
The heat reclamation device of described buring solid fuel, wherein, the setting position of described the first air supply portion is, becomes a non-vanishing angle with the symmetry axis of the circular cross section of described combustion chamber.
The heat reclamation device of described buring solid fuel, wherein, the setting position of described the second air supply portion is, becomes a non-vanishing angle with the symmetry axis of the circular cross section of described combustion chamber.
Existing solid fuel ignition mode is all to drop into fuel from solid carbon element burning top, burner of the present utility model can drop into fuel and prevent that flame from attacking in retaliation at the carbon element rear side that burns, burning for the first time when the utility model makes burning have fuel to drop into, burning for the second time while burning with carbon element, makes burning obtain maximum reinforcement.Ignition temperature maintains more than 800-900 DEG C, promotes hydrocarbon, CO, CO
2oxidation, have and reduce significantly toxic emission.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the vertical section schematic diagram of combustion chamber.
Description of reference numerals
1-fuel input port; 2-the first air supply portion; 3-the second air supply portion; 4-the first air flue; 5-the second air flue; 6-combustion chamber; 7-blast pipe; 8-connecting portion; 9-fire rod; 10-igniter; 11-spiral pushing device; 12-motor; Grate-13; Air propeller-14.
Detailed description of the invention
For shape of the present utility model, structure and feature can be understood better, below will enumerate preferred embodiment and be elaborated by reference to the accompanying drawings.
The heat reclamation device of buring solid fuel of the present utility model, comprises the body of heater of hollow circle tube, and the inside of body of heater is provided with combustion chamber 6, and the front end of body of heater has blast pipe 7 and is connected with this combustion chamber 6.The position that blast pipe 7 is connected with combustion chamber 6, for tilting to be connected, forms two angle theta and is 55.25 °, makes circulation of air more smooth and easy, reduces furnace pressure, promotes burning.
6 outsides, combustion chamber are provided with successively the first air flue 4 and the second air flue 5, the first air supply portions 2 and the second air supply portion 3 and blow to the first air flue 4 and the second air flue 5 respectively.The first air flue 4 is communicated with combustion chamber 6, makes air in the first air flue 4 enter combustion chamber 6 combustion-supporting.The rear portion of the second air flue 5 is communicated with the first air flue 4, and utilizing the gas in the second air flue 5 is device cooling.
The rear end of body of heater is provided with fuel input port 1, this fuel input port 1 is communicated with described combustion chamber 6 by spiral pushing device 11, motor 12 is connected with spiral pushing device 11, drives spiral pushing device 11 to move, by the fuel dropping into from fuel input port 1 in spiral pushing device 11 is sent into combustion chamber 6.6 rear ends, combustion chamber are provided with igniter 10, and the fire rod 9 being connected with igniter 10.Described fire rod 9 can be interior flexible in described igniter 10, and when contraction, fire rod 9 enters in the scope of the first air flue 4 and protected, and enters the interior igniting in combustion chamber 6 while stretching out.
The fire rod 9 of high temperature (1100 DEG C) carries out direct igniter fuel igniting, can shorten ignition time, reduce smog emission, 9 of fire rodes stretch in the time of igniting, after igniting, be retracted in igniter 10, prevent that fire rod 9 that continuous heating causes from damaging.Make fire rod 9 realize fast ignition, perfect igniting, and long service life.
The lower inner of combustion chamber 6 is provided with grate 13, has the hole of fixed size on grate 13, and the fuel of input is deposited on grate 13, and grate 13 can play accumulation, leak the effect of ash and promotion full combustion of fuel.Grate 13, on formation inclined-plane, the rear of combustion chamber 6, can glide along inclined-plane the fuel entering in combustion chamber 6 from spiral pushing device 11, avoids being all deposited in the rear of combustion chamber 6, as shown in Figure 2.
Existing solid fuel ignition mode is all to drop into fuel from solid carbon element burning top, burner of the present utility model can drop into fuel and prevent that flame from attacking in retaliation at the carbon element rear side that burns, burning for the first time when the utility model makes burning have fuel to drop into, burning for the second time while burning with carbon element, makes burning obtain maximum reinforcement.Ignition temperature maintains more than 800-900 DEG C, promotes hydrocarbon, CO and CO
2oxidation, have and reduce significantly toxic emission.
Illustrative to description of the present utility model above; and it is nonrestrictive; those skilled in the art is understood, and can carry out many amendments, variation or equivalence to it, but they all will fall in protection domain of the present utility model in claim within the spirit limiting and scope.
Claims (5)
1. the heat reclamation device of a buring solid fuel, it is characterized in that, comprise the body of heater of hollow circle tube, the inside of described body of heater is provided with combustion chamber, the front end of described body of heater has blast pipe and is connected with described combustion chamber, the rear end of described body of heater is provided with fuel input port, outside, described combustion chamber is provided with the first air flue, the first air supply portion gives described the first air flue air-supply, described the first air flue and described combustion chamber are communicated with, rear end, described combustion chamber is provided with igniter, and fire rod is connected with described igniter and can stretches in described combustion chamber.
2. the heat reclamation device of buring solid fuel as claimed in claim 1, it is characterized in that, described the first air flue outside is provided with the second air flue for lowering the temperature, the second air supply portion gives described the second air flue air-supply, and the rear portion of described the second air flue is communicated with the first air flue.
3. the heat reclamation device of buring solid fuel as claimed in claim 1, is characterized in that, described fuel input port is communicated with described combustion chamber by spiral pushing device, and motor is connected with described spiral pushing device, drives described spiral pushing device motion.
4. the heat reclamation device of buring solid fuel as claimed in claim 1, is characterized in that, the rear of described combustion chamber forms the inclined-plane that promotes that fuel glides.
5. the heat reclamation device of buring solid fuel as claimed in claim 1; it is characterized in that; described fire rod can stretch in described igniter, when contraction described in fire rod enter in the scope of described the first air flue and protected, while stretching out, enter igniting in described combustion chamber.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420004191.4U CN203703946U (en) | 2014-01-03 | 2014-01-03 | Heat recovery unit employing solid fuel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420004191.4U CN203703946U (en) | 2014-01-03 | 2014-01-03 | Heat recovery unit employing solid fuel |
Publications (1)
Publication Number | Publication Date |
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CN203703946U true CN203703946U (en) | 2014-07-09 |
Family
ID=51054381
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201420004191.4U Expired - Fee Related CN203703946U (en) | 2014-01-03 | 2014-01-03 | Heat recovery unit employing solid fuel |
Country Status (1)
Country | Link |
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CN (1) | CN203703946U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103791487A (en) * | 2014-01-03 | 2014-05-14 | 哈尔滨华东锅炉厂 | Heat recovery device with solid fuel combustion |
-
2014
- 2014-01-03 CN CN201420004191.4U patent/CN203703946U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103791487A (en) * | 2014-01-03 | 2014-05-14 | 哈尔滨华东锅炉厂 | Heat recovery device with solid fuel combustion |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20210103 |
|
CF01 | Termination of patent right due to non-payment of annual fee |