CN216384151U - Biomass chain boiler soot recycling system - Google Patents
Biomass chain boiler soot recycling system Download PDFInfo
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- CN216384151U CN216384151U CN202122430411.2U CN202122430411U CN216384151U CN 216384151 U CN216384151 U CN 216384151U CN 202122430411 U CN202122430411 U CN 202122430411U CN 216384151 U CN216384151 U CN 216384151U
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- cyclone separator
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Abstract
The utility model relates to the technical field of boiler soot treatment, in particular to a biomass chain boiler soot recycling and re-combusting system, wherein a hearth of the system is provided with an outlet which is sequentially connected with a separator and a dust-removing filter bag, a first cyclone separator is arranged between the separator and the dust-removing filter bag, the upper end of the first cyclone separator is used for guiding flue gas into the dust-removing filter bag, the lower end of the first cyclone separator is connected with a conveying pipeline, a power device is arranged on the conveying pipeline, the outlet of the conveying pipeline is connected with a second cyclone separator which is positioned beside the hearth, the second cyclone separator is connected with a material return pipe used for introducing solid combustible materials separated for the second time into the hearth, the upper end of the second cyclone separator is connected with a smoke guide channel, on one hand, the combustible materials mixed in the soot can be guided into the hearth of a boiler again for full combustion treatment, on the other hand, the filter bag of the dust collector can be effectively prevented from being greatly damaged by high-temperature combustible materials, and the cost of the filter bag of the dust collector is reduced.
Description
Technical Field
The utility model relates to the technical field of boiler soot treatment, in particular to a biomass chain boiler soot recycling system.
Background
The biomass chain boiler is a kind of boiler, takes biomass energy as fuel, and has the advantage of green environmental protection. When the biomass chain boiler in the prior art is used, the soot generated by the boiler is usually discharged into an ash pond through water film dust removal, desulfurization and other modes, solid waste is formed after deposition, the content of soot particles in the solid waste is very high, and at least the following defects exist: 1) a large amount of combustible materials and considerable heat are taken away from the soot, a large amount of fuel is wasted, and a large amount of heat loss is caused; 2) the ash leaves the furnace of the boiler when the temperature is too high, the high-temperature combustible substance can be mixed with sparks, and enters the bag-type dust remover after entering the separator, so that the filter bag of the dust remover is easily damaged greatly, the boiler is often provided with the high-temperature-resistant high-quality filter bag, and the cost is increased to a certain extent.
SUMMERY OF THE UTILITY MODEL
In view of the above, an object of the present invention is to provide a recycling system for recycling soot of a biomass chain boiler, which can re-introduce combustible substances mixed in the soot into a furnace of the boiler for sufficient combustion treatment, and can effectively avoid the high-temperature combustible substances from causing great damage to a filter bag of a dust collector, thereby reducing the cost of the filter bag of the dust collector.
In order to achieve the purpose, the biomass chain boiler soot recycling system provided by the utility model adopts the following technical scheme:
the utility model provides a biomass chain boiler cigarette ash is retrieved after combustion and is recycled system, is including the furnace that reacts, and the export of furnace has connected gradually the separator and has removed dust and cross the filter bag, separator and dust are removed dust and are crossed and arranged the first cyclone that is used for carrying out solid gas separation to cigarette ash between the filter bag, first cyclone's upper end is used for leading-in with the flue gas the filter bag is removed dust, and the lower extreme is connected with the conveying line who is arranged in transporting the solid combustible material in the cigarette ash, the last power device that has arranged of conveying line, conveying line's exit linkage has and is located the second cyclone of furnace side, second cyclone is connected with and is used for letting in the solid combustible material of secondary separation the feed back pipe of furnace, the upper end of second cyclone is connected with the induced smoke passageway.
Further, the power device is a bin type pneumatic conveying pump.
Further, a material returning device and a high-pressure fan are arranged between the second cyclone separator and the material return pipe, and the material returning device is used for stably feeding solid combustible materials separated for the second time into the hearth.
Further, the second cyclone is located above the first cyclone in a vertical direction.
The biomass chain boiler soot recycling and re-burning system provided by the utility model has the beneficial effects that: after the cigarette ash that produces burns in the furnace leaves the separator, at first through the separation of first cyclone, accomplish first solid-gas separation, the flue gas is introduced the dust removal filter bag by first cyclone top, solid combustible substance is by the effect of bin formula air conveying pump on the conveyer pipe way of first cyclone's below, be carried to second cyclone, second cyclone carries out solid-gas separation once more to solid combustible substance, the flue gas is discharged by the induced smoke passageway of second cyclone top, solid combustible substance passes through the feed back pipe, under the effect of returning charge ware and high pressure positive blower, reentrant furnace in, thereby realize the abundant combustion utilization of solid combustible substance, also avoided full cigarette ash that does not burn to lead to the fact the damage to dust removal filter bag. Through this kind of setting, on the one hand can carry out abundant burning processing in the furnace of leading-in boiler once more with the combustible substance that mixes in the cigarette ash, and on the other hand can effectively avoid high temperature combustible substance to bring great damage to the dust remover filter bag, reduces the cost of dust remover filter bag.
Drawings
FIG. 1 is an overall schematic diagram of a biomass chain boiler soot recycling system provided by the present invention;
fig. 2 is an enlarged schematic view at a in fig. 1.
Reference numbers in the figures: 1. a hearth; 2. a separator; 3. a dust removal filter bag; 4. a first cyclone separator; 5. a delivery line; 6. a second cyclone separator; 7. a material return pipe; 8. a smoke introduction channel; 9. a material returning device; 10. a high pressure fan.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
The utility model is described in further detail below with reference to the following figures and detailed description:
the utility model provides a specific embodiment of a biomass chain boiler soot recovery and re-combustion recycling system, which comprises the following steps:
the first embodiment:
as shown in figures 1 and 2, the system for recycling and reburning the soot of the biomass chain boiler comprises a reaction furnace 1, a separator 2 and a dedusting filter bag 3 are sequentially connected with an outlet of the furnace 1, a first cyclone separator 4 for solid-gas separation of the soot is arranged between the separator 2 and the dust-removing filter bag 3, the upper end of the first cyclone separator 4 is used for guiding the flue gas into the dedusting filter bag 3, the lower end is connected with a conveying pipeline 5 for transferring the solid combustible in the cigarette ash, a power device is arranged on the conveying pipeline 5, the outlet of the conveying pipeline 5 is connected with a second cyclone separator 6 positioned beside the hearth 1, the second cyclone separator 6 is connected with a material return pipe 7 for introducing solid combustible materials separated for the second time into the hearth 1, and the upper end of the second cyclone separator 6 is connected with a smoke guide channel 8.
The power device is a bin type pneumatic conveying pump.
A material returning device 9 and a high-pressure fan 10 are further arranged between the second cyclone separator 6 and the material return pipe 7, and the material returning device 9 is used for stably feeding solid combustible materials separated for the second time into the hearth 1.
The second cyclone separator 6 is located above the first cyclone separator 4 in the vertical direction.
The working principle of the biomass chain boiler soot recycling and re-burning system provided by the utility model is as follows: after the cigarette ash generated by combustion in the hearth 1 leaves the separator 2, firstly, the cigarette ash is subjected to separation treatment by the first cyclone separator 4, primary solid-gas separation is completed, the smoke gas is introduced into the dedusting filter bag 3 from the upper part of the first cyclone separator 4, solid combustible is conveyed to the second cyclone separator 6 under the action of the upper bin type pneumatic conveying pump of the conveying pipeline 5 from the lower part of the first cyclone separator 4, the second cyclone separator 6 performs solid-gas separation on the solid combustible again, the smoke gas is discharged from the smoke guide channel 8 from the upper part of the second cyclone separator 6, the solid combustible passes through the return pipe 7 and enters the hearth 1 again under the action of the return device 9 and the high-pressure fan 10, so that the solid combustible is fully combusted and utilized, and the damage of the unburned and sufficient cigarette ash to the dedusting filter bag 3 is avoided. Through this kind of setting, on the one hand can carry out abundant burning processing in the furnace 1 of leading-in boiler once more with the combustible substance that mixes in the cigarette ash, and on the other hand can effectively avoid high temperature combustible substance to bring great damage to the dust remover filter bag, reduces the cost of dust remover filter bag.
Second embodiment:
the present embodiment differs from the first embodiment in that the second cyclone 6 is located flush with the first cyclone 4 or below the first cyclone 4 in the vertical direction.
The third embodiment:
this embodiment differs from the first embodiment in that the power plant is no longer a pneumatic conveying pump of the silo type, but another pneumatic conveying pump, for example a pneumatic screw conveying pump.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (4)
1. The utility model provides a biomass chain boiler cigarette ash is retrieved and is recombusted system of recycling, is including the furnace that reacts, and the export of furnace has connected gradually the separator and has removed dust and filter bag, its characterized in that: the utility model discloses a furnace dust removal filter bag, including separator and dust removal filter bag, be used for the solid gas separation's of cigarette ash first cyclone has been arranged between separator and the dust removal filter bag, first cyclone's upper end is used for leading-in with the flue gas the dust removal filter bag, and the lower extreme is connected with the conveying line who is arranged in the solid combustible substance with cigarette ash and transports, power device has been arranged on the conveying line, conveying line's exit linkage has and is located the second cyclone of furnace side, second cyclone is connected with and is used for letting in the solid combustible substance of secondary separation the feed back pipe of furnace, the upper end of second cyclone is connected with the smoke guide channel.
2. The biomass chain boiler soot recovery, reburning and recycling system of claim 1, wherein: the power device is a bin type pneumatic conveying pump.
3. The biomass chain boiler soot recovery, reburning and recycling system of claim 1, wherein: and a material returning device and a high-pressure fan are arranged between the second cyclone separator and the material returning pipe, and the material returning device is used for stably feeding solid combustible materials separated for the second time into the hearth.
4. The biomass chain boiler soot recovery and re-combustion recycling system as claimed in any one of claims 1 to 3, wherein: the second cyclone is located above the first cyclone in a vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122430411.2U CN216384151U (en) | 2021-10-09 | 2021-10-09 | Biomass chain boiler soot recycling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122430411.2U CN216384151U (en) | 2021-10-09 | 2021-10-09 | Biomass chain boiler soot recycling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216384151U true CN216384151U (en) | 2022-04-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122430411.2U Active CN216384151U (en) | 2021-10-09 | 2021-10-09 | Biomass chain boiler soot recycling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216384151U (en) |
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2021
- 2021-10-09 CN CN202122430411.2U patent/CN216384151U/en active Active
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