CN112856806A - Rural biomass heating system based on circulating fluidized bed - Google Patents
Rural biomass heating system based on circulating fluidized bed Download PDFInfo
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- CN112856806A CN112856806A CN202110083504.4A CN202110083504A CN112856806A CN 112856806 A CN112856806 A CN 112856806A CN 202110083504 A CN202110083504 A CN 202110083504A CN 112856806 A CN112856806 A CN 112856806A
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- fluidized bed
- bed combustion
- screen
- straw
- cyclone separator
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 38
- 239000002028 Biomass Substances 0.000 title claims abstract description 34
- 239000010902 straw Substances 0.000 claims abstract description 58
- 238000002485 combustion reaction Methods 0.000 claims abstract description 51
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000002245 particle Substances 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 239000011449 brick Substances 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 244000144972 livestock Species 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000003916 acid precipitation Methods 0.000 description 1
- 239000002154 agricultural waste Substances 0.000 description 1
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000003905 indoor air pollution Methods 0.000 description 1
- 244000144977 poultry Species 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 229910052815 sulfur oxide Inorganic materials 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
- F24H1/12—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium
- F24H1/14—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form
- F24H1/145—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form using fluid fuel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C10/00—Fluidised bed combustion apparatus
- F23C10/02—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed
- F23C10/04—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed the particles being circulated to a section, e.g. a heat-exchange section or a return duct, at least partially shielded from the combustion zone, before being reintroduced into the combustion zone
- F23C10/08—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed the particles being circulated to a section, e.g. a heat-exchange section or a return duct, at least partially shielded from the combustion zone, before being reintroduced into the combustion zone characterised by the arrangement of separation apparatus, e.g. cyclones, for separating particles from the flue gases
- F23C10/10—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed the particles being circulated to a section, e.g. a heat-exchange section or a return duct, at least partially shielded from the combustion zone, before being reintroduced into the combustion zone characterised by the arrangement of separation apparatus, e.g. cyclones, for separating particles from the flue gases the separation apparatus being located outside the combustion chamber
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C10/00—Fluidised bed combustion apparatus
- F23C10/18—Details; Accessories
- F23C10/22—Fuel feeders specially adapted for fluidised bed combustion apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C10/00—Fluidised bed combustion apparatus
- F23C10/18—Details; Accessories
- F23C10/24—Devices for removal of material from the bed
- F23C10/26—Devices for removal of material from the bed combined with devices for partial reintroduction of material into the bed, e.g. after separation of agglomerated parts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1832—Arrangement or mounting of combustion heating means, e.g. grates or burners
- F24H9/1836—Arrangement or mounting of combustion heating means, e.g. grates or burners using fluid fuel
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Fluidized-Bed Combustion And Resonant Combustion (AREA)
Abstract
A rural biomass heating device based on a circulating fluidized bed comprises a feeding hopper, a pretreatment device, a feeding fan, a fluidized bed combustion furnace and a heat exchanger, wherein the pretreatment device is arranged under the feeding hopper and comprises a straw pulverizer and a motor, an outlet of the straw pulverizer is communicated with the inside of the fluidized bed combustion furnace, an outlet pipeline of the fluidized bed combustion furnace is connected with a cyclone separator, hot air of the cyclone separator flows to the heat exchanger through a top outlet and exchanges heat with working medium water conveyed by a water heating device in the heat exchanger, a bottom outlet of the cyclone separator is connected with an inclined screen device, the lower end of the screen returns to the inside of the fluidized bed combustion furnace, and a collecting chamber is arranged under the inclined screen device. The invention can obtain higher heat energy output value by burning biomass, and the heat energy can be used for central heating in rural areas and temperature maintenance of agricultural greenhouses, thereby realizing the comprehensive utilization of the field-leaving straws.
Description
Technical Field
The invention relates to the technical field of biomass heating, in particular to a rural biomass heating device based on a circulating fluidized bed.
Background
The biomass resources in China are extremely rich, the annual output of the biomass resources is 7 hundred million tons of straws, 1.42 tons of agricultural product wastes, 2 hundred million tons of wood processing residues, 3.51 hundred million tons of domestic garbage and sludge and 30 hundred million tons of livestock and poultry excrement, but the energy utilization rate of the biomass resources is only about 15 percent. Biomass incineration has been considered the most convenient way to treat agricultural waste for the past decades, and incineration results in a large amount of pollutants being discharged into the air, causing serious environmental problems and waste of resources. Therefore, it is urgent to find a biomass utilization method which is efficient, environmentally friendly and low in cost.
At present, heating of heated brick beds and heating of small boilers are mainly combined in rural areas, and fuel of the small boilers or the heated brick beds is mainly dispersed in coal. At present, the combustion of the bulk coal is one of important pollution sources, and a large amount of smoke dust, sulfur oxides and nitrogen oxides are released during the combustion. These substances can directly harm human and livestock, produce acid rain and form a greenhouse effect. And most rural furnaces are indoor, so indoor air pollutants are also much higher, and the problem of indoor air pollution in winter cannot be ignored. Therefore, the novel rural central heating mode which has the advantages of high combustion efficiency, high thermal efficiency, no emission of atmospheric pollutants and the like has great significance.
Disclosure of Invention
In order to solve the problems, the invention provides a rural biomass heating device based on a circulating fluidized bed, and the specific technical scheme is as follows:
a rural biomass heating device based on a circulating fluidized bed comprises a feeding hopper, a pretreatment device, a feeding fan, a fluidized bed combustion furnace and a heat exchanger connected with an external water heating device, wherein the feeding hopper is arranged at the upper part of a support, the pretreatment device is arranged under the feeding hopper and comprises a straw crusher and a motor used for driving the straw crusher, an inlet of the straw crusher is connected with the feeding hopper, an outlet of the straw crusher is communicated with a feeding pipe of the fluidized bed combustion furnace through a feeding pipe, an air outlet of the feeding fan is opposite to a pipe opening of the feeding pipe, an outlet pipeline of the fluidized bed combustion furnace is connected with a cyclone separator, hot air of the cyclone separator flows to the heat exchanger through a top outlet and exchanges heat with working medium water conveyed by the water heating device in the heat exchanger, and a bottom outlet of the cyclone separator is connected with an inclined screen device used for separating incompletely combusted biomass and plant ash The screen device at least comprises a screen which inclines towards the side of the fluidized bed combustion furnace, a blower which is started at a fixed time is connected at the upper end of the screen, biomass which is not completely combusted returns to the fluidized bed combustion furnace through a return pipe at the lower end of the screen, and a collecting chamber for receiving plant ash is arranged right below the inclined screen device.
Further, the outlet of the straw pulverizer is provided with a preheater, and the outlet of the preheater is communicated with a feeding pipe.
Further, the preheater is a ceramic heater.
Furthermore, the screen device also comprises a vibration motor and a shell capable of vibrating, the screen is arranged in the shell, the vibration motor is arranged on the shell, and the vibration frequency of the vibration motor is 18 Hz-26 Hz.
Further, a gas outlet in the heat exchanger is connected with a tail gas treatment device.
Further, the output pressure of the blower is slightly greater than the pressure of the fluidized bed combustor.
A method for heating rural biomass comprises the following steps:
(1) biomass is added into the pretreatment device from a feeding hopper, is crushed into straw particles by a straw crusher, and is conveyed into a feeding pipe of a fluidized bed combustion furnace after being heated by a preheater;
(2) the straw particles are conveyed into the fluidized bed combustion chamber through the feeding fan, fluidized and combusted in the fluidized bed combustion chamber, ash-containing hot air flow carrying part of incompletely combusted straw particles and plant ash is discharged from the top of the fluidized bed combustion chamber, and enters the cyclone separator;
(3) the ash-containing hot air flow is subjected to gas-solid separation in the cyclone separator, the separated dust-free hot air flow is discharged from the top of the cyclone separator and enters the heat exchanger, and straw particles and plant ash which are not completely combusted fall into a screen device below the cyclone separator;
(4) under the action of the vibration motor, straw particles which are not completely combusted are left on the upper layer of the screen, and plant ash falls into a collecting box below; starting a blower regularly to blow the straw particles on the screen into the fluidized bed combustion chamber from the feed back pipe;
(5) the dust-free hot air flow exchanges heat with the working medium water conveyed by the external water heating device in the heat exchanger, the heated working medium water is conveyed to a user through the water heating device, and the cooled gas enters the tail gas treatment device.
Has the advantages that:
(1) compared with the traditional combustion effect, the device has obvious combustion effect and is suitable for the agricultural industry provinces with large crop straw amount and immature treatment in China.
(2) The straw of the device is subjected to circulating fluidized combustion to obtain a higher heat energy output value, and the heat energy can be used for central heating in rural areas and temperature maintenance of agricultural greenhouses, so that the straw is comprehensively utilized when leaving the field.
(3) The cyclone separator and the screen device arranged in the device realize the separation of gas-solid separation and excess materials from plant ash, so that the straw utilization rate is high, and the heat production is efficient.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic cross-sectional view in elevation of the present invention.
FIG. 3 is a process flow diagram of the present invention.
In the figure: the device comprises a support 1, a feeding hopper 2, a straw pulverizer 3, a motor 4, a preheater 5, a feeding pipe 6, a feeding fan 7, a feeding pipe 8, a fluidized bed combustion furnace 9, a cyclone separator 10, a buffer tank 11, a screen device 12, a screen mesh 121, a vibrating motor 122, a return pipe 13, a heat exchanger 14 and a collecting box 15.
Detailed Description
The invention is further described with reference to the following figures and specific embodiments:
as shown in figures 1 and 2, the rural biomass heating device based on the circulating fluidized bed comprises a feeding hopper 2, a pretreatment device, a feeding fan 7, a fluidized bed combustion furnace 9, a cyclone separator 10, an inclined screen device 12 and a heat exchanger 14 connected with an external water heating device.
The biomass heating device is provided with a support 1 for fixing a feeding hopper 2 and a pretreatment device, the feeding hopper 2 is fixedly installed on the upper portion of the support 1, the pretreatment device comprises a straw pulverizer 3 and a motor 4 for driving the straw pulverizer 3, the motor 4 is fixedly installed in the middle of the support 1, the straw pulverizer 3 is arranged under the feeding hopper 2, and a spirally-arranged crushing knife is arranged in the straw pulverizer 3, so that biomass such as straw enters the straw pulverizer 3 from the feeding hopper 2 and is crushed into straw particles, and the straw particles are conveyed to an outlet of the straw pulverizer 3.
The outlet of the straw pulverizer 3 is connected with a preheater 5, the outlet of the preheater 5 is connected with a feeding pipe 6, the feeding pipe 6 is communicated with a feeding pipe 8 of a fluidized bed combustion furnace 9, and the air outlet of the feeding fan 7 is over against the mouth of the feeding pipe 8, so that straw particles are conveyed from the feeding pipe 8 to the fluidized bed combustion furnace 9. And the feeding fan 7 is fixedly arranged below the bracket 1.
In this embodiment, the preheater 5 is a ceramic heater; the ceramic heater is a high-efficiency heater with uniform heat distribution, and the temperature of the hot surface is uniform, so that the straws can be quickly preheated.
In this embodiment, the fluidized bed combustion furnace 9 is an existing or conventional device, and at least a combustion chamber, an air distribution plate, a fluidizing fan and other devices are arranged in the fluidized bed combustion furnace, so that straw particles can be fluidized and combusted in the fluidized bed combustion furnace.
In the figure, the outlet pipeline of the fluidized bed combustion furnace 9 is connected with the inlet of the cyclone separator 10, the top outlet pipeline of the cyclone separator 10 is connected with the shell of the heat exchanger 14, and the bottom outlet pipeline of the cyclone separator is connected with the screen device 12 through a buffer tank 11.
Specifically, the ash-containing hot air flow carrying part of the incompletely combusted straw particles and plant ash is discharged from the top of the fluidized bed combustion chamber and enters the cyclone separator 10; the ash-containing hot air flow is subjected to gas-solid separation in the cyclone separator 10, the separated dust-free hot air flow is discharged from the top of the cyclone separator and enters a shell layer of the heat exchanger 14, and straw particles and plant ash which are not completely combusted fall into a screen device 12 below through a buffer box 11.
The screen device 12 comprises a screen 121 inclined towards the fluidized bed combustion furnace 9, a vibration motor 122 and a vibratable shell, wherein the screen 121 is installed in the shell, the vibration motor 122 is installed on the shell, and the vibration frequency of the vibration motor 122 is 18 Hz-26 Hz; the greater the vibration frequency of the vibration motor 122, the greater the rotation speed thereof, and the vibration frequency is preferably about 18Hz, which corresponds to the rotation speed of the vibration motor 122 of 1080r/min, from the viewpoint of the life of the vibration motor 122 and energy saving. A blower started at a fixed time is connected to the shell close to the upper end of the screen 121, and the output pressure of the blower is slightly greater than the pressure of the fluidized bed combustion chamber, so that straw particles which are not completely combusted can be blown into the fluidized bed combustion chamber; a material return pipe 13 is arranged on the shell close to the lower end of the screen mesh 121, a one-way valve is arranged on the material return pipe 13 and is connected into the fluidized bed combustion furnace 9, and a collecting chamber for receiving plant ash is arranged right below the inclined screen mesh device 12. Under the action of the vibration motor 122, straw particles which are not completely combusted are left on the upper layer of the screen 121 and gradually move towards the lower end of the screen 121, and a blower (not shown) is started at a fixed time, so that the straw particles on the screen 121 are more favorably blown into a fluidized bed combustion chamber through the feed back pipe 13; the plant ash is vibrated and then falls into a collection chamber below from the screen 121, and the collection chamber can be moved out to collect and treat the plant ash.
The dust-free hot air flow separated by the cyclone separator 10 flows to the heat exchanger 14 through the top outlet and exchanges heat with the working medium water conveyed by the water heating device in the heat exchanger 14, the heated working medium water is conveyed to a user through the water heating device, and the cooled gas enters the tail gas treatment device.
Preferably, the heat exchanger 14 is a tube type heat exchanger 14 or a fixed tube plate type heat exchanger 14, a baffle plate can be arranged in the heat exchanger 14, and the heat exchanger 14 has the characteristics of firm structure, strong adaptability, wide material selection, easy manufacture and low cost.
However, it should be understood that different types and numbers of valves can be arranged on the pipeline of the biomass heating device according to needs to ensure that the flow path of the device is smooth, and the operation is safe and efficient.
However, it should also be understood that the present biomass heater may be skid mounted or the components may be assembled on site.
The process flow diagram shown in fig. 3, based on the above embodiment, provides a method for heating rural biomass, which includes the following steps:
(1) biomass is added into the pretreatment device from a feeding hopper 2, is crushed into straw particles by a straw crusher 3, is heated by a preheater 5 and then is conveyed into a feeding pipe 8 of a fluidized bed combustion furnace 9;
(2) the straw particles are conveyed into the fluidized bed combustion chamber through the feeding fan 7, fluidized and combusted in the fluidized bed combustion chamber, ash-containing hot air flow carrying part of incompletely combusted straw particles and plant ash is discharged from the top of the fluidized bed combustion chamber, and enters the cyclone separator 10;
(3) the ash-containing hot air flow is subjected to gas-solid separation in the cyclone separator 10, the separated dust-free hot air flow is discharged from the top of the cyclone separator and enters the heat exchanger 14, and straw particles and plant ash which are not completely combusted fall into the screen device 12 below;
(4) under the action of the vibration motor 122, straw particles which are not completely combusted are left on the upper layer of the screen 121, and plant ash falls into the collecting box 15 below; starting a blower regularly to blow the straw particles on the screen 121 into the fluidized bed combustion chamber from the feed back pipe 13;
(5) the dust-free hot air flow exchanges heat with the working medium water conveyed by the external water heating device in the heat exchanger 14, the heated working medium water is conveyed to a user through the water heating device, and the cooled gas enters the tail gas treatment device.
Claims (7)
1. A rural biomass heating system based on circulating fluidized bed which characterized in that: the device comprises a feeding hopper, a pretreatment device, a feeding fan, a fluidized bed combustion furnace and a heat exchanger connected with an external water heating device, wherein the feeding hopper is arranged at the upper part of a bracket, the pretreatment device is arranged under the feeding hopper and comprises a straw crusher and a motor for driving the straw crusher, the inlet of the straw crusher is connected with the feeding hopper, the outlet of the straw crusher is communicated with the feeding pipe of the fluidized bed combustion furnace through a feeding pipe, the air outlet of the feeding fan is opposite to the pipe orifice of the feeding pipe, the outlet pipeline of the fluidized bed combustion furnace is connected with a cyclone separator, hot air flow of the cyclone separator flows to the heat exchanger through a top outlet and exchanges heat with working medium water conveyed by the water heating device in the heat exchanger, and the bottom outlet of the cyclone separator is connected with an inclined screen device for separating incompletely combusted biomass and plant ash, the screen device at least comprises a screen which inclines towards the side of the fluidized bed combustion furnace, a blower which is started at a fixed time is connected at the upper end of the screen, biomass which is not completely combusted returns to the fluidized bed combustion furnace through a return pipe at the lower end of the screen, and a collecting chamber for receiving plant ash is arranged right below the inclined screen device.
2. The rural biomass heating system based on the circulating fluidized bed according to claim 1, characterized in that: the outlet of the straw pulverizer is provided with a preheater, and the outlet of the preheater is communicated with a feeding pipe.
3. The rural biomass heating system based on the circulating fluidized bed according to claim 2, characterized in that: the preheater is a ceramic heater.
4. The rural biomass heating system based on the circulating fluidized bed according to claim 1, characterized in that: the screen device further comprises a vibrating motor and a shell capable of vibrating, the screen is arranged in the shell, the vibrating motor is arranged on the shell, and the vibrating frequency of the vibrating motor is 18 Hz-26 Hz.
5. The rural biomass heating system based on the circulating fluidized bed according to claim 1, characterized in that: and a gas outlet in the heat exchanger is connected with a tail gas treatment device.
6. The rural biomass heating system based on the circulating fluidized bed according to claim 1, characterized in that: the output pressure of the blower is slightly greater than the pressure of the fluidized bed combustion chamber.
7. The method for heating rural biomass according to any one of claims 1 to 6, characterized by comprising the following steps:
(1) biomass is added into the pretreatment device from a feeding hopper, is crushed into straw particles by a straw crusher, and is conveyed into a feeding pipe of a fluidized bed combustion furnace after being heated by a preheater;
(2) the straw particles are conveyed into the fluidized bed combustion chamber through the feeding fan, fluidized and combusted in the fluidized bed combustion chamber, ash-containing hot air flow carrying part of incompletely combusted straw particles and plant ash is discharged from the top of the fluidized bed combustion chamber, and enters the cyclone separator;
(3) the ash-containing hot air flow is subjected to gas-solid separation in the cyclone separator, the separated dust-free hot air flow is discharged from the top of the cyclone separator and enters the heat exchanger, and straw particles and plant ash which are not completely combusted fall into a screen device below the cyclone separator;
(4) under the action of the vibration motor, straw particles which are not completely combusted are left on the upper layer of the screen, and plant ash falls into a collecting box below; starting a blower regularly to blow the straw particles on the screen into the fluidized bed combustion chamber from the feed back pipe;
(5) the dust-free hot air flow exchanges heat with the working medium water conveyed by the external water heating device in the heat exchanger, the heated working medium water is conveyed to a user through the water heating device, and the cooled gas enters the tail gas treatment device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110083504.4A CN112856806A (en) | 2021-01-21 | 2021-01-21 | Rural biomass heating system based on circulating fluidized bed |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110083504.4A CN112856806A (en) | 2021-01-21 | 2021-01-21 | Rural biomass heating system based on circulating fluidized bed |
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| Publication Number | Publication Date |
|---|---|
| CN112856806A true CN112856806A (en) | 2021-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110083504.4A Pending CN112856806A (en) | 2021-01-21 | 2021-01-21 | Rural biomass heating system based on circulating fluidized bed |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113566258A (en) * | 2021-07-06 | 2021-10-29 | 湖南宝家云建筑工程管理有限公司 | Rural indoor heating system of biofuel |
| CN114868559A (en) * | 2022-04-26 | 2022-08-09 | 山东绿之源农业科技发展有限公司 | Planting greenhouse system capable of controlling temperature, humidity and air fertilizer concentration |
| CN116182181A (en) * | 2023-03-08 | 2023-05-30 | 泰山集团股份有限公司 | Material separator for circulating fluidized bed boiler |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19912404A1 (en) * | 1999-03-19 | 2000-09-21 | Ophardt Horst | Fluidised bed heater for central heating system |
| CN102748754A (en) * | 2012-07-25 | 2012-10-24 | 章丘市宇龙机械有限公司 | Biomass boiler |
| CN103574594A (en) * | 2013-11-07 | 2014-02-12 | 宋振林 | Combustion heat supply system taking biomass as fuel |
| CN210772143U (en) * | 2019-08-01 | 2020-06-16 | 河南省豫园锅炉机电有限公司 | Multi-raw material circulating fluidized bed boiler |
-
2021
- 2021-01-21 CN CN202110083504.4A patent/CN112856806A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19912404A1 (en) * | 1999-03-19 | 2000-09-21 | Ophardt Horst | Fluidised bed heater for central heating system |
| CN102748754A (en) * | 2012-07-25 | 2012-10-24 | 章丘市宇龙机械有限公司 | Biomass boiler |
| CN103574594A (en) * | 2013-11-07 | 2014-02-12 | 宋振林 | Combustion heat supply system taking biomass as fuel |
| CN210772143U (en) * | 2019-08-01 | 2020-06-16 | 河南省豫园锅炉机电有限公司 | Multi-raw material circulating fluidized bed boiler |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113566258A (en) * | 2021-07-06 | 2021-10-29 | 湖南宝家云建筑工程管理有限公司 | Rural indoor heating system of biofuel |
| CN114868559A (en) * | 2022-04-26 | 2022-08-09 | 山东绿之源农业科技发展有限公司 | Planting greenhouse system capable of controlling temperature, humidity and air fertilizer concentration |
| CN116182181A (en) * | 2023-03-08 | 2023-05-30 | 泰山集团股份有限公司 | Material separator for circulating fluidized bed boiler |
| CN116182181B (en) * | 2023-03-08 | 2023-08-25 | 泰山集团股份有限公司 | Material separator for circulating fluidized bed boiler |
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Application publication date: 20210528 |