CN211146459U - Environment-friendly fluidized bed boiler with waste heat utilization equipment - Google Patents
Environment-friendly fluidized bed boiler with waste heat utilization equipment Download PDFInfo
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- CN211146459U CN211146459U CN201922099891.1U CN201922099891U CN211146459U CN 211146459 U CN211146459 U CN 211146459U CN 201922099891 U CN201922099891 U CN 201922099891U CN 211146459 U CN211146459 U CN 211146459U
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- fluidized bed
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- flue gas
- bed boiler
- waste heat
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Abstract
The utility model provides an environment-friendly fluidized bed boiler with waste heat utilization equipment, including the dispenser, combustion chamber and separator, the dispenser passes through the conveying pipe with the combustion chamber and is connected, conveying pipe internally mounted has agitating unit, the combustion chamber bottom is through row's ash pipe connection ash hole, row's ash pipe intermediate junction gets a heat section of thick bamboo, the separator includes a section of thick bamboo and a lower section of thick bamboo, it is equipped with the exhaust hole to go up a section of thick bamboo top, exhaust hole connection flue gas pipeline, it is equipped with the inlet port to go up a section of thick bamboo side, combustion chamber upper portion is connected to the inlet port, lower cone portion is through returning charge device and combustion chamber lower part UNICOM, purifier. The utility model has the advantages that: install agitating unit, start agitating unit through actuating mechanism, can the fast rotation clearance block up, it is convenient, the utility model discloses install flue gas purification device, the device simple structure makes the finished product low, can effectually purify away the pollutant in the flue gas, and is energy-concerving and environment-protective.
Description
Technical Field
The utility model belongs to the technical field of the boiler, especially, relate to an environment-friendly fluidized bed boiler with waste heat utilization equipment.
Background
Fluidized bed boiler technology is a high-efficiency low-pollution clean combustion technology which is rapidly developed in recent ten years, and the technology is widely applied to the fields of power station boilers, industrial boilers, waste treatment and utilization and the like. The middle feeding is selected for the mixed burning of coal slime in a large fluidized bed boiler, the types of feeders are roughly divided into blowing type feeding, spiral type feeding and straight-through type feeding, the blocking phenomenon is easily caused, the blocking treatment method is generally manual cleaning, personnel scalding is easily caused, a large amount of high-temperature hot ash can be generated in the operation process of the fluidized bed boiler, at present, most fluidized bed boilers are not provided with ash taking devices under ash discharge openings, if the high-temperature hot ash in the fluidized bed boilers is not taken out, the fluidized bed boilers can be cooled in a long time, the cooling time of the fluidized bed boilers is prolonged, and a large amount of heat energy is wasted. The fluidized bed boiler generates a large amount of waste gas, and the direct discharge of the waste gas into the air can cause environmental pollution.
Disclosure of Invention
The utility model aims to solve the problem of providing a fluidized bed boiler; is particularly suitable for an environment-friendly fluidized bed boiler with a waste heat utilization device, which is provided with a blockage clearing feeder, hot ash clearing and waste gas purification functions.
In order to solve the technical problem, the utility model discloses a technical scheme is: an environment-friendly fluidized bed boiler with a waste heat utilization device comprises a feeder, a combustion chamber and a separator, wherein the feeder is connected with the combustion chamber through a feeding pipe, a stirring device is arranged in the feeding pipe and comprises a stirring shaft and a tool apron, one end of the stirring shaft is connected with a driving mechanism through a connector, the tool apron is arranged at the other end of the stirring shaft, the tool apron is uniformly distributed on the upper side and the lower side of the stirring shaft, the tool apron are parallel to each other, an ash discharge hole is formed in the bottom of the combustion chamber and is connected with an ash discharge pipe, a heat taking barrel is connected in the middle of the ash discharge pipe, the separator comprises an upper barrel and a lower barrel, the upper barrel is a cylinder, the lower barrel is a cone, the lower cylinder part is connected with the upper barrel, an exhaust hole is formed in the top of the upper barrel, and the exhaust hole is connected, the side surface of the upper barrel is provided with an air inlet which is connected with the upper part of the combustion chamber, the lower barrel cone part is communicated with the lower part of the combustion chamber through a material returning device, and the tail end of the flue gas pipeline is provided with a purifying device.
Further, purifier includes flue gas passageway, purifying tank and flue gas direction cover, the purifying tank is hollow structure, purifying tank hollow structure connects the flue gas passageway, the fixed plate is installed to the purifying tank bottom, flue gas direction cover is installed on fixed plate upper portion.
Furthermore, an insertion space for inserting a blade is formed in the tool apron, a positioning hole is formed in the blade, a fixing hole is formed in the tool apron, and the positioning hole is fixedly connected with the fixing hole through a bolt.
Furthermore, the knife blades arranged on the knife seats on the upper side and the lower side have opposite knife points.
Furthermore, a heat taking coil is arranged inside the heat taking barrel, and the heat taking coil is provided with a water inlet and a water outlet which are connected with the outside.
Further, the heat taking coil is a serpentine coil.
Furthermore, the purification tank is internally provided with purification liquid, and the fixing plate is arranged in the purification liquid.
Furthermore, through holes are formed in the fixing plate, and the through holes are uniformly distributed on the fixing plate.
Furthermore, the separator is internally provided with a plurality of partition plates extending in the vertical direction, and the partition plates are uniformly distributed on the inner wall of the upper cylinder of the separator.
Furthermore, the ash discharge pipe is divided into an upper section ash discharge pipe and a lower section ash discharge pipe by the heat taking barrel, and the lower section ash discharge pipe is provided with an ash discharge gate valve.
The utility model has the advantages and positive effects that:
1. the utility model discloses install agitating unit, when the coal slime system stopped to transport because of the trouble or caused the jam because of other reasons, start agitating unit through the driver, can the fast rotation clearance block up, it is convenient.
2. Agitating unit sets up the detachable blade holder, and detachable is equipped with the sword page or leaf on the blade holder, not only convenient washing, if the sword page or leaf takes place the harm and only need change and correspond the sword page or leaf simultaneously can need not to replace whole central pivot, and economy is suitable for, and the sword page or leaf orientation at both ends is opposite about central pivot for the material in the cell body can the up-and-down motion make smash evenly.
3. The utility model discloses install gas cleaning device, the device simple structure makes the finished product low, can effectually purify away the pollutant in the flue gas, and is energy-concerving and environment-protective.
4. The utility model discloses install and get hot device, be equipped with in the middle of the ash discharge pipe and get a heat section of thick bamboo, get and be equipped with in the heat section of thick bamboo and get the heat coil pipe, when ashes in the fluidized bed are through getting the heat pipe, get the heat coil intussuseption and be filled with water, heat transfer oil etc. and get hot medium to take away reuse with heat energy, the device can be with the waste heat make full use of fluidized bed boiler exhaust heat ash, and help improving the boiler operation.
5. The utility model discloses be equipped with the baffle in that the separator is inside, can further carry out the gas-solid separation to the flue gas when carrying the flue gas, make the partial granule in the flue gas separate out, improved the separation effect of separator.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the embodiment of the present invention
FIG. 2 is a schematic structural diagram of a separator according to an embodiment of the present invention
FIG. 3 is a schematic structural view of a stirring device according to an embodiment of the present invention
FIG. 4 is a bottom view of the purifying device of the embodiment of the present invention
In the figure:
1. feeder 2, combustion chamber 3, separator
4. Feeding pipe 5, stirring device 6 and connector
7. Driving mechanism 8, ash discharging hole 9 and ash discharging pipe
10. A heat taking cylinder 11, an upper section ash discharge pipe 12 and a lower section ash discharge pipe
13. Material returning device 14, flue gas pipeline 15 and purifying device
16. Ash discharge gate valve 17, heat taking coil 18 and water inlet
19. Water outlet 20, flue gas channel 21 and flue gas guide cover
22. Fixed plate 23, through hole 24 and purification tank
25. Purified liquid 26, fan 27 and stirring shaft
28. Tool apron 29, blade 30 and upper cylinder
31. Lower cylinder 32, partition plate
Detailed Description
The embodiments of the present invention will be further described with reference to the accompanying drawings:
as shown in fig. 1, the environment-friendly fluidized bed boiler with the waste heat utilization device comprises a feeder 1, a combustion chamber 2 and a separator 3, wherein the feeder 1 is connected with the combustion chamber 2 through a feeding pipe 4, a stirring device 5 is arranged inside the feeding pipe 4, and the stirring device 5 is connected with a driving mechanism 7 through a connector 6. The bottom of the combustion chamber 2 is provided with an ash discharge hole 8, the ash discharge hole 8 is connected with an ash discharge pipe 9, the middle of the ash discharge pipe 9 is connected with a heat taking barrel 10, a snake-shaped heat taking coil 17 is arranged inside the heat taking barrel 10, and the heat taking coil 17 is provided with a water inlet 18 and a water outlet 19 which are connected with the outside. The ash discharge pipe 9 is divided into an upper section ash discharge pipe 11 and a lower section ash discharge pipe 12 by the heat taking barrel 10, and the lower section ash discharge pipe 12 is provided with an ash discharge gate valve 16.
As shown in fig. 2, the separator 3 includes an upper tube 30 and a lower tube 31, the upper tube 30 is a cylinder, the lower tube 31 is a cone, the cylindrical portion of the lower tube 31 is connected with the cylindrical portion of the upper tube 30, the top of the upper tube 30 is provided with an exhaust hole, the exhaust hole is connected with the flue gas pipe 14, the side of the upper tube 30 is provided with an air inlet hole, the air inlet hole is connected with the upper portion of the combustion chamber 2, and the cone portion of the lower tube 31 is communicated with the lower portion of the combustion chamber 2 through the. The separator 3 is internally provided with a plurality of partition plates 32, the partition plates 32 extend along the vertical direction, and the partition plates 32 are uniformly distributed on the inner wall of the upper barrel 30 of the separator 3.
As shown in fig. 3, the stirring device 5 includes a stirring shaft 27 and a tool holder 28, one end of the stirring shaft 27 is connected to the driving mechanism 7 through the connector 6, and the other end of the stirring shaft 27 is provided with the tool holder 28. The tool apron 28 is evenly distributed on the upper side and the lower side of the stirring shaft 27, and the tool apron 28 are parallel to each other. An insertion space for inserting the blade 29 is formed in the tool apron 28, a positioning hole is formed in the blade 29, a fixing hole is formed in the tool apron 28, and the positioning hole and the fixing hole are fixedly connected through a bolt. The knife blades 29 are arranged on the knife seats 28 on the upper side and the lower side, and the knife points face opposite directions.
As shown in fig. 4, the tail end of the flue gas duct 14 is provided with a purification device 15. Purifying device 15 includes flue gas passageway 20, purifying tank 24 and flue gas direction cover 21, and purifying tank 24 is hollow structure, and purifying tank 24 bottom surface cross-section can be for multiple shapes such as rectangle or circular, and purifying tank 24 hollow structure connects flue gas passageway 20, and fixed plate 22 is installed to purifying tank 24 bottom, and flue gas direction cover 21 is installed on fixed plate 22 upper portion. The purification tank 24 is filled with purification liquid 25, the fixing plate 22 is arranged in the purification liquid 25, the fixing plate 22 is provided with through holes 23, and the through holes 23 are uniformly distributed on the fixing plate 22.
The working process of the embodiment:
feeder 1 is put to the coal, get into combustion chamber 2 through conveying pipe 4, conveying pipe 4 is inside to be equipped with agitating unit 5, (mixing) shaft 27 is high-speed rotatory under actuating mechanism 7's drive, actuating mechanism 7 can be the motor, the blade 29 of (mixing) shaft 27 upper and lower both sides cuts fuel, the knife tip of (mixing) shaft 27 downside blade 29 is down, the knife tip of upside blade 29 is up, under the collocation of upper and lower both sides blade 29, the cutting is even when the fuel can be stirred, when blade 29 needs to be changed, after taking out (mixing) shaft 27 from conveying pipe 4, extract the bolt of fixed blade holder 28 and blade 29, blade 29 and blade holder 28 separate this moment, it can on corresponding blade holder 28 to change new blade 29. Agitating unit 5 can cut when stirring fuel under actuating mechanism 7's effect, can fast rotation clearance jam. The fire coal enters the combustion chamber 2, the primary air and the secondary air required by the combustion of the fluidized bed boiler are respectively fed from the bottom and the side wall of the combustion chamber 2 by the fan 26, the combustion of the fuel is mainly completed in the combustion chamber 2, and the solid materials brought out of the combustion chamber 2 by the airflow are collected in the separator 3 and are fed back to the combustion chamber 2 through the material returning device 13. The combustion chamber 2, the separator 3 and the return device 13 form a solid material circulation circuit. Coal ash generated by combustion in the combustion chamber 2 is discharged into the heat taking barrel 10 through the ash discharging hole 8 at the bottom of the combustion chamber 2, the snakelike heat taking coil 17 in the heat taking barrel 10 absorbs the heat of the coal ash, the ash discharging pipe 12 at the lower section is provided with an ash discharging gate valve 16, and the ash discharging gate valve 16 is used for controlling the amount of the coal ash discharged from the heat taking barrel 10 and controlling the stay time of the coal ash in the heat taking barrel 10, so that the heat absorption is facilitated, and the heat energy utilization rate is improved. Flue gas that the burning produced gets into purifier 15 through flue gas passageway 20, and the flue gas supports through flue gas direction cover 21 and keeps off and get into purifying tank 24, reacts with the scavenging solution 25 in the purifying tank 24, according to the difference of flue gas composition, can add different scavenging solution 25 for can detach air pollutants such as sulfur dioxide, sulfur trioxide, nitrogen dioxide and dust in the flue gas, the flue gas after the purification passes through thru hole 23 on fixed plate 22, discharges into in the atmosphere. Because the flue gas guide cover 21 and the purifying liquid 25 block the flue gas, the exhaust speed of the flue gas is relatively slow, so that the flue gas can stay in the combustion chamber 2 for more time, the heat in the flue gas is fully utilized, the heat carried out by the flue gas is less, and the energy-saving and environment-friendly effects are achieved.
Utility model has the advantages and positive effect be:
1. the utility model discloses install agitating unit, when the coal slime system stopped to transport because of the trouble or caused the jam because of other reasons, start agitating unit through the driver, can the fast rotation clearance block up, it is convenient.
2. Agitating unit sets up the detachable blade holder, and detachable is equipped with the sword page or leaf on the blade holder, not only convenient washing, if the sword page or leaf takes place the harm and only need change and correspond the sword page or leaf simultaneously can need not to replace whole central pivot, and economy is suitable for, and the sword page or leaf orientation at both ends is opposite about central pivot for the material in the cell body can the up-and-down motion make smash evenly.
3. The utility model discloses install gas cleaning device, the device simple structure makes the finished product low, can effectually purify away the pollutant in the flue gas, and is energy-concerving and environment-protective.
4. The utility model discloses install and get hot device, be equipped with in the middle of the ash discharge pipe and get a heat section of thick bamboo, get and be equipped with in the heat section of thick bamboo and get the heat coil pipe, when ashes in the fluidized bed are through getting the heat pipe, get the heat coil intussuseption and be filled with water, heat transfer oil etc. and get hot medium to take away reuse with heat energy, the device can be with the waste heat make full use of fluidized bed boiler exhaust heat ash, and help improving the boiler operation.
5. The utility model discloses be equipped with the baffle in that the separator is inside, can further carry out the gas-solid separation to the flue gas when carrying the flue gas, make the partial granule in the flue gas separate out, improved the separation effect of separator.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (10)
1. The utility model provides an environment-friendly fluidized bed boiler with waste heat utilization equipment, includes feeder, combustion chamber and separator, its characterized in that: the feeder is connected with the combustion chamber through a feeding pipe, a stirring device is arranged in the feeding pipe, the stirring device comprises a stirring shaft and tool apron, one end of the stirring shaft is connected with a driving mechanism through a connector, the tool apron is arranged at the other end of the stirring shaft, the tool apron is uniformly distributed on the upper side and the lower side of the stirring shaft, the tool apron is parallel to each other, an ash discharge hole is formed in the bottom of the combustion chamber and is connected with an ash discharge pipe, a heat taking barrel is connected to the middle of the ash discharge pipe, the separator comprises an upper barrel and a lower barrel, the upper barrel is a cylinder, the lower barrel is a cone, the cylindrical part of the lower barrel is connected with the upper barrel, an exhaust hole is formed in the top of the upper barrel and is connected with a flue gas pipeline, an air inlet hole is formed in the side surface of the upper barrel and is connected with the upper part of the combustion chamber, and the, and the tail end of the flue gas pipeline is provided with a purifying device.
2. The environment-friendly fluidized bed boiler with a waste heat utilization device according to claim 1, characterized in that: purifier includes flue gas passageway, purifying tank and flue gas direction cover, the purifying tank is hollow structure, purifying tank hollow structure connects the flue gas passageway, the fixed plate is installed to the purifying tank bottom, the flue gas direction cover is installed on fixed plate upper portion.
3. The environment-friendly fluidized bed boiler with a waste heat utilization device according to claim 1 or 2, characterized in that: the tool apron is provided with an insertion space for inserting a tool blade, the tool blade is provided with a positioning hole, the tool apron is provided with a fixing hole, and the positioning hole is fixedly connected with the fixing hole through a bolt.
4. The environment-friendly fluidized bed boiler with a waste heat utilization device according to claim 3, characterized in that: the knife blades are arranged on the knife seats on the upper side and the lower side, and the knife tips face opposite directions.
5. The environment-friendly fluidized bed boiler with a waste heat utilization device according to claim 1 or 2, characterized in that: the heating barrel is internally provided with a heating coil pipe, and the heating coil pipe is provided with a water inlet and a water outlet which are connected with the outside.
6. The environment-friendly fluidized bed boiler with a waste heat utilization device according to claim 5, characterized in that: the heat taking coil is a snake-shaped coil.
7. The environment-friendly fluidized bed boiler with a waste heat utilization device according to claim 2, characterized in that: the purifying tank is internally provided with purifying liquid, and the fixing plate is arranged in the purifying liquid.
8. The environment-friendly fluidized bed boiler with a waste heat utilization device according to claim 2 or 7, characterized in that: the fixing plate is provided with through holes, and the through holes are uniformly distributed on the fixing plate.
9. The environment-friendly fluidized bed boiler with a waste heat utilization device according to claim 1 or 2, characterized in that: the separator is internally provided with a plurality of partition plates which extend along the vertical direction, and the partition plates are uniformly distributed on the inner wall of the upper cylinder of the separator.
10. The environment-friendly fluidized bed boiler with a waste heat utilization device according to claim 1 or 2, characterized in that: the ash discharge pipe is divided into an upper section ash discharge pipe and a lower section ash discharge pipe by the heat taking barrel, and the lower section ash discharge pipe is provided with an ash discharge gate valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922099891.1U CN211146459U (en) | 2019-11-29 | 2019-11-29 | Environment-friendly fluidized bed boiler with waste heat utilization equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922099891.1U CN211146459U (en) | 2019-11-29 | 2019-11-29 | Environment-friendly fluidized bed boiler with waste heat utilization equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211146459U true CN211146459U (en) | 2020-07-31 |
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ID=71745951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922099891.1U Active CN211146459U (en) | 2019-11-29 | 2019-11-29 | Environment-friendly fluidized bed boiler with waste heat utilization equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211146459U (en) |
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2019
- 2019-11-29 CN CN201922099891.1U patent/CN211146459U/en active Active
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