CN210601596U - Environment-friendly energy-saving biomass circulating fluidized bed boiler - Google Patents
Environment-friendly energy-saving biomass circulating fluidized bed boiler Download PDFInfo
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- CN210601596U CN210601596U CN201921239799.4U CN201921239799U CN210601596U CN 210601596 U CN210601596 U CN 210601596U CN 201921239799 U CN201921239799 U CN 201921239799U CN 210601596 U CN210601596 U CN 210601596U
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- fan
- secondary air
- air port
- hearth body
- fluidized bed
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- 239000002028 Biomass Substances 0.000 title claims abstract description 36
- 239000000463 material Substances 0.000 claims abstract description 50
- 239000000428 dust Substances 0.000 claims abstract description 33
- 238000007599 discharging Methods 0.000 claims abstract description 13
- 239000002893 slag Substances 0.000 claims abstract description 10
- 235000019738 Limestone Nutrition 0.000 claims abstract description 5
- 239000006028 limestone Substances 0.000 claims abstract description 5
- 230000005611 electricity Effects 0.000 claims description 5
- 230000007613 environmental effect Effects 0.000 claims description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 11
- 239000003546 flue gas Substances 0.000 abstract description 11
- 238000002485 combustion reaction Methods 0.000 abstract description 10
- 239000003517 fume Substances 0.000 abstract description 4
- 239000002956 ash Substances 0.000 description 7
- 239000007789 gas Substances 0.000 description 7
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 6
- 239000003245 coal Substances 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 239000002803 fossil fuel Substances 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Landscapes
- Fluidized-Bed Combustion And Resonant Combustion (AREA)
Abstract
The utility model discloses an environment-friendly energy-saving biomass circulating fluidized bed boiler, which comprises a hearth body, wherein the lower end section in the hearth body is provided with a slag discharging device, a filter screen is arranged on the slag discharging device, the lower part of the left side of the hearth body is provided with an igniter, an auxiliary material inlet is arranged above the igniter, a biomass material inlet is arranged above the auxiliary material inlet, a limestone inlet is arranged above the biomass material inlet, the middle part of the right side of the inner surface of the hearth body is provided with an upper secondary air port and a lower secondary air port, the utility model can treat dust in the flue gas after combustion through a dust removing box, then the treated flue gas is discharged from a chimney through a draught fan, the biomass material is more fully prevented from slagging through the upper secondary air port and the lower secondary air port, the device has simple and safe structure, and can effectively treat the problem, incineration ash is collected conveniently, and the operation is safe and reliable, effectively reduces the calorific loss of discharging fume.
Description
Technical Field
The utility model relates to a circulating fluidized bed boiler technical field specifically is an environmental protection and energy saving type living beings circulating fluidized bed boiler.
Background
Fossil fuels such as coal, oil, natural gas and the like are exploited in large scale from the 70 th century, the storage capacity of the fossil fuels is reduced sharply, according to prediction, fossil energy sources such as coal, oil and the like which can be developed and utilized and are stored on the earth are exhausted within 200 years and 30-40 years respectively, natural gas can only be used for 60 years according to storage and mining ratios, at present, the development of a biomass circulating fluidized bed boiler is accelerated according to the requirements of 'biomass energy development planning' and 'guidance suggestion for promoting biomass energy heat supply development' issued by the country and the development of local area coal limitation and coal prohibition work in China, clean combustion, low-pollution emission and stable load operation need to be achieved, the open air incineration of agriculture and forestry biomass can cause the damage of haze, fire and the like to the environment, and the harmless disposal of livestock industry wastes can cause the pollution to natural resources, the existing environment-friendly energy-saving biomass circulating fluidized bed boiler has low reliability of an integrated structure, high pollutants, inconvenient collection of combustion slagging and ash and low heat loss of smoke discharge, so that the environment-friendly energy-saving biomass circulating fluidized bed boiler has low practicability.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide an environmental protection and energy saving type living beings circulating fluidized bed boiler, simple structure safety can the effective processing problem of burning slagging scorification, burns ashes and collects the convenience, and operation safe and reliable effectively reduces the calorific loss of discharging fume, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: an environment-friendly energy-saving biomass circulating fluidized bed boiler comprises a hearth body, wherein a slag discharging device is arranged at the lower end section in the hearth body, a filter screen is arranged on the slag discharging device, an igniter is arranged at the lower part of the left side of the hearth body, an auxiliary material inlet is arranged above the igniter, a biomass material inlet is arranged above the auxiliary material inlet, a limestone inlet is arranged above the biomass material inlet, an upper secondary air port and a lower secondary air port are arranged in the middle of the right side of the inner surface of the hearth body, the lower secondary air port is positioned above the upper secondary air port, a cyclone separator is arranged on the right side of the hearth body, a material returning device is arranged below the cyclone separator, a high-pressure air blower is arranged below the material returning device and is connected with the lower part of the material returning device through a guide pipe, a filter is arranged on the right side of the cyclone, the below of filter is equipped with air heater, air heater's below is equipped with the dust removal case, and the right side of dust removal case is equipped with the draught fan, and the right side of draught fan is equipped with the chimney, the chimney passes through the pipe and is connected with the draught fan, the downside of draught fan is equipped with secondary fan and primary air fan, it is fixed through supporting the steelframe between furnace body, cyclone and the filter, the output of external control ware is connected to the input electricity of draught fan, secondary fan, primary air fan and high pressure blower, external power source's output is connected to external control ware's input electricity.
As the utility model discloses a preferred technical scheme, air heater's left side is connected with last overgrate air mouth and lower overgrate air mouth respectively through the pipe, through pipe connection between air heater left side lower part and the furnace body lower part, and is equipped with the air volume control valve on the pipe, air heater's right side is connected with secondary fan and primary air fan respectively through the pipe.
As an optimal technical scheme of the utility model, the returning charge device passes through the pipe and is connected with cyclone, and the right side sub-unit connection through pipe and furnace body about the returning charge device, and be equipped with the returning charge control valve on the left side pipe of returning charge device.
As an optimized technical scheme of the utility model, cyclone's upper portion is passed through the pipe and is connected with the furnace body, and filter upper portion is passed through the pipe and is connected with cyclone upper portion, the filter adopts vertical mode.
As the utility model discloses a preferred technical scheme, the below of dust removal case is connected with the dust and collects the storehouse, and the quantity in dust collection storehouse is established to two, and the dust collects the storehouse and establishes to the funnel structure, and the right side of dust removal case is connected with the draught fan through the pipe.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a dust removal case can be handled the dust in the flue gas after burning, then the flue gas after handling through the draught fan is discharged from the chimney, make biomass material burning more fully prevent the slagging scorification with lower secondary air port through last secondary air port, can also burn from new combustion through the returning charge device when some biomass material burning is incomplete, utilize the heat in the flue gas after will burning through air heater, and preheat the air, make combustion efficiency higher, this device simple structure safety, can the problem of effective handling burning slagging scorification, burn ashes and collect the convenience, operation safe and reliable, effectively reduce the calorific loss who discharges fume.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure: the device comprises a support steel frame 1, a filter screen 2, a slag discharging device 3, a material returning device 4, a high-pressure air blower 5, a dust removing box 6, a secondary air blower 7, a primary air blower 8, a chimney 9, a draught fan 10, an air preheater 11, a filter 12, a cyclone separator 13, a steam drum 14, a hearth body 15, an upper secondary air port 16, a lower secondary air port 17, a limestone inlet 18, a biomass material inlet 19, an auxiliary material inlet 20, an air return pipe 21 and an igniter 22.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: an environment-friendly energy-saving biomass circulating fluidized bed boiler comprises a hearth body 15, a slag discharging device 3 is arranged at the lower end section in the hearth body 15, a filter screen 2 is arranged on the slag discharging device 3, the filter screen 2 filters burnt ashes and collects the burnt dust through the slag discharging device 3, an igniter 22 is arranged at the lower part of the left side of the hearth body 15, an auxiliary material inlet 20 is arranged above the igniter 22, a biomass material inlet 19 is arranged above the auxiliary material inlet 20, a limestone inlet 18 is arranged above the biomass material inlet 19, an upper secondary air port 16 and a lower secondary air port 17 are arranged in the middle of the right side of the inner surface of the hearth body 15, the lower secondary air port 17 is positioned above the upper secondary air port 16, a cyclone separator 13 is arranged at the right side of the hearth body 15, the cyclone separator 13 separates ashes and gases which are burnt in the gases and transmits the burnt materials to the hearth body 15, the upper part of the cyclone separator 13 is connected with the hearth body 15 through a guide pipe, the upper part of the filter 12 is connected with the upper part of the cyclone separator 13 through a guide pipe, the filter 12 adopts a vertical mode, a material returning device 4 is arranged below the cyclone separator 13, when some biomass materials are not combusted, the biomass materials can be combusted again through the material returning device 4, the material returning device 4 is connected with the cyclone separator 13 through a guide pipe, the left side and the right side of the material returning device 4 are connected with the lower part of the right side of the hearth body 15 through guide pipes, a material returning control valve is arranged on the guide pipe on the left side of the material returning device 4, a high-pressure air blower 5 is arranged below the material returning device 4, the high-pressure air blower 5 is connected with the lower part of the material returning device 4 through a guide pipe, the filter 12 is arranged on the right side of the cyclone separator 13, a steam pocket 14 is, the heat in the flue gas after combustion is utilized by the air preheater 11, and the air is preheated, so that the combustion efficiency is higher, the left side of the air preheater 11 is respectively connected with the upper secondary air port 16 and the lower secondary air port 17 through the guide pipe, the biomass material is more fully prevented from slagging through the upper secondary air port 16 and the lower secondary air port 17, the lower part of the left side of the air preheater 11 is connected with the lower part of the hearth body 15 through the guide pipe, the guide pipe is provided with an air volume control valve, the right side of the air preheater 11 is respectively connected with the secondary fan 7 and the primary fan 8 through the guide pipe, the dust removal box 6 is arranged below the air preheater 11, the dust in the flue gas after combustion can be treated through the dust removal box 6, the dust collection bin is connected below the dust removal box 6, the number of the dust collection bins is two, and the dust, the right side of dust removal case 6 is connected with draught fan 10 through the pipe, the right side of dust removal case 6 is equipped with draught fan 10, the right side of draught fan 10 is equipped with chimney 9, the flue gas after draught fan 10 will be handled is discharged from chimney 9, chimney 9 passes through the pipe and is connected with draught fan 10, the downside of draught fan 10 is equipped with secondary fan 7 and primary air fan 8, furnace body 15, it is fixed through supporting steelframe 1 between cyclone 13 and the filter 12, draught fan 10, secondary air fan 7, external control ware's output is connected to primary air fan 8 and high pressure air-blower 5's input electricity, external power source's output is connected to external control ware's input electricity, the utility model discloses simple structure safety, the problem of the slagging scorification of can the effective handling burning, burn ashes and collect the convenience, operation safe and reliable, the.
When in use: put into furnace body 15 with biomass material through biomass material import 19 inside, ignite biomass material through some firearm 22, start fan secondary air fan 7, primary air fan 8 and high-pressure air-blower 5, high-pressure air-blower 5 blows up the material of burning, and the mixture of burning gets into cyclone 13, solid and gas separation that will not burn, it is inside from newly getting into furnace body 15 to fix through returning charge device 4, the gas of separation gets into filter 12 and filters, and convey gas to air heater 11, secondary air fan 7 and primary air fan 8 blow the gas of preheating, blow into furnace body 15 with gas inside, biomass material burning with higher speed, combustion efficiency is higher, air heater 11's waste gas removes dust through dust removal box 6 of below, discharge the waste gas after handling from chimney 9 through the draught fan 10 of connection.
The utility model discloses a dust removal case 6 can be handled the dust in the flue gas after burning, then the flue gas after handling is discharged from chimney 9 through draught fan 10, make biomass material burning more fully prevent the slagging scorification with lower secondary air port 17 through last secondary air port 16, can also burn newly through returning charge device 4 when some biomass material burning is incomplete, utilize the heat in the flue gas after will burning through air heater 11, and preheat the air, make combustion efficiency higher, the device simple structure safety, can the problem of the slagging scorification of effective processing burning, burn ashes and collect the convenience, operation safe and reliable, effectively reduce the calorific loss of discharging fume.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides an environmental protection and energy saving type living beings circulating fluidized bed boiler, includes furnace body (15), its characterized in that: the hearth is characterized in that a slag discharging device (3) is arranged at the lower end section in the hearth body (15), a filter screen (2) is arranged on the slag discharging device (3), an igniter (22) is arranged at the lower part of the left side of the hearth body (15), an auxiliary material inlet (20) is arranged above the igniter (22), a biomass material inlet (19) is arranged above the auxiliary material inlet (20), a limestone inlet (18) is arranged above the biomass material inlet (19), an upper secondary air port (16) and a lower secondary air port (17) are arranged in the middle of the right side of the inner surface of the hearth body (15), the lower secondary air port (17) is positioned above the upper secondary air port (16), a cyclone separator (13) is arranged on the right side of the hearth body (15), a material returning device (4) is arranged below the cyclone separator (13), a high-pressure air blower (5) is arranged below the material returning device (4), and the high-pressure air blower (5) is, the right side of cyclone (13) is equipped with filter (12), there is steam pocket (14) through pipe connection between cyclone (13) and filter (12), the below of filter (12) is equipped with air heater (11), the below of air heater (11) is equipped with dust removal case (6), the right side of dust removal case (6) is equipped with draught fan (10), the right side of draught fan (10) is equipped with chimney (9), chimney (9) is connected with draught fan (10) through the pipe, the downside of draught fan (10) is equipped with overfire fan (7) and once fan (8), it is fixed through supporting steelframe (1) between furnace body (15), cyclone (13) and filter (12), the output of external control ware is connected to the input electricity of draught fan (10), overfire fan (7), once fan (8) and high pressure air-blower (5), and the input end of the external controller is electrically connected with the output end of an external power supply.
2. The environment-friendly energy-saving biomass circulating fluidized bed boiler according to claim 1, characterized in that: the left side of the air preheater (11) is respectively connected with the upper secondary air port (16) and the lower secondary air port (17) through guide pipes, the lower portion of the left side of the air preheater (11) is connected with the lower portion of the hearth body (15) through guide pipes, an air volume control valve is arranged on each guide pipe, and the right side of the air preheater (11) is respectively connected with the secondary fan (7) and the primary fan (8) through guide pipes.
3. The environment-friendly energy-saving biomass circulating fluidized bed boiler according to claim 1, characterized in that: the material returning device (4) is connected with the cyclone separator (13) through a guide pipe, the left side and the right side of the material returning device (4) are connected with the lower portion of the right side of the hearth body (15) through the guide pipe, and a material returning control valve is arranged on the guide pipe on the left side of the material returning device (4).
4. The environment-friendly energy-saving biomass circulating fluidized bed boiler according to claim 1, characterized in that: the upper part of the cyclone separator (13) is connected with the hearth body (15) through a guide pipe, the upper part of the filter (12) is connected with the upper part of the cyclone separator (13) through a guide pipe, and the filter (12) adopts a vertical mode.
5. The environment-friendly energy-saving biomass circulating fluidized bed boiler according to claim 1, characterized in that: the below of dust removal case (6) is connected with the dust and collects the storehouse, and the quantity that the storehouse was collected to the dust is established to two, and the dust collects the storehouse and establishes to the funnel structure, and the right side of dust removal case (6) is connected with draught fan (10) through the pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921239799.4U CN210601596U (en) | 2019-08-02 | 2019-08-02 | Environment-friendly energy-saving biomass circulating fluidized bed boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921239799.4U CN210601596U (en) | 2019-08-02 | 2019-08-02 | Environment-friendly energy-saving biomass circulating fluidized bed boiler |
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| Publication Number | Publication Date |
|---|---|
| CN210601596U true CN210601596U (en) | 2020-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921239799.4U Active CN210601596U (en) | 2019-08-02 | 2019-08-02 | Environment-friendly energy-saving biomass circulating fluidized bed boiler |
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| CN (1) | CN210601596U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115031238A (en) * | 2022-06-22 | 2022-09-09 | 恒盛能源股份有限公司 | Efficient energy-saving solid waste combustion power generation equipment |
-
2019
- 2019-08-02 CN CN201921239799.4U patent/CN210601596U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115031238A (en) * | 2022-06-22 | 2022-09-09 | 恒盛能源股份有限公司 | Efficient energy-saving solid waste combustion power generation equipment |
| CN115031238B (en) * | 2022-06-22 | 2023-01-10 | 恒盛能源股份有限公司 | Efficient energy-saving solid waste combustion power generation equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An environment-friendly and energy-saving biomass circulating fluidized bed boiler Effective date of registration: 20211230 Granted publication date: 20200522 Pledgee: Zhongyuan Bank Co.,Ltd. Zhumadian Branch Pledgor: HENAN YUYUAN BOILER MACHINERY CO.,LTD. Registration number: Y2021980017222 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230131 Granted publication date: 20200522 Pledgee: Zhongyuan Bank Co.,Ltd. Zhumadian Branch Pledgor: HENAN YUYUAN BOILER MACHINERY CO.,LTD. Registration number: Y2021980017222 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An environment-friendly and energy-saving biomass circulating fluidized bed boiler Effective date of registration: 20230202 Granted publication date: 20200522 Pledgee: Zhongyuan Bank Co.,Ltd. Zhumadian Branch Pledgor: HENAN YUYUAN BOILER MACHINERY CO.,LTD. Registration number: Y2023980031961 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20200522 Pledgee: Zhongyuan Bank Co.,Ltd. Zhumadian Branch Pledgor: HENAN YUYUAN BOILER MACHINERY CO.,LTD. Registration number: Y2023980031961 |