CN216694207U - Fluidized bed type solid waste drying system utilizing industrial waste heat - Google Patents
Fluidized bed type solid waste drying system utilizing industrial waste heat Download PDFInfo
- Publication number
- CN216694207U CN216694207U CN202122843197.3U CN202122843197U CN216694207U CN 216694207 U CN216694207 U CN 216694207U CN 202122843197 U CN202122843197 U CN 202122843197U CN 216694207 U CN216694207 U CN 216694207U
- Authority
- CN
- China
- Prior art keywords
- fluidized bed
- bin
- bed dryer
- waste heat
- heater
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001035 drying Methods 0.000 title claims abstract description 28
- 239000002910 solid waste Substances 0.000 title claims abstract description 28
- 239000002440 industrial waste Substances 0.000 title claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 39
- 239000000428 dust Substances 0.000 claims abstract description 24
- 239000007789 gas Substances 0.000 claims abstract description 21
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000003546 flue gas Substances 0.000 claims abstract description 13
- 239000006185 dispersion Substances 0.000 claims abstract description 7
- 238000012545 processing Methods 0.000 claims abstract description 6
- 238000000746 purification Methods 0.000 claims abstract description 6
- 239000002918 waste heat Substances 0.000 claims abstract description 5
- 238000004140 cleaning Methods 0.000 claims abstract description 3
- 238000003860 storage Methods 0.000 abstract description 9
- 238000002309 gasification Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- HYBBIBNJHNGZAN-UHFFFAOYSA-N furfural Chemical compound O=CC1=CC=CO1 HYBBIBNJHNGZAN-UHFFFAOYSA-N 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 235000001674 Agaricus brunnescens Nutrition 0.000 description 1
- 241000609240 Ambelania acida Species 0.000 description 1
- 235000017060 Arachis glabrata Nutrition 0.000 description 1
- 244000105624 Arachis hypogaea Species 0.000 description 1
- 235000010777 Arachis hypogaea Nutrition 0.000 description 1
- 235000018262 Arachis monticola Nutrition 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 239000010905 bagasse Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003657 drainage water Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000010903 husk Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000020232 peanut Nutrition 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 239000012855 volatile organic compound Substances 0.000 description 1
Images
Classifications
-
- 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
- Y02E20/12—Heat utilisation in combustion or incineration of waste
Landscapes
- Drying Of Solid Materials (AREA)
Abstract
The utility model relates to a fluidized bed type solid waste drying system utilizing industrial waste heat, which comprises a wet storage bin, material conveying equipment, a fluidized bed dryer, a dust remover, a dry storage bin, a blower, an induced draft fan, an incinerator and a flue gas purification treatment device, wherein the wet storage bin is connected with the wet storage bin; a bin heater is arranged in the wet bin, and the wet bin is connected with the fluidized bed dryer through material conveying equipment; fluidized bed dryer middle part is provided with fluidized bed heater, fluidized bed dryer bottom is provided with gaseous dispersion device, the inside industry waste heat that lets in of feed bin heater and fluidized bed heater, set up the dust remover between fluidized bed dryer and the draught fan, the dust remover exhaust is sent into burning furnace by the draught fan, the fine dust that the dust remover was collected sends into fluidized bed dryer or dry material storehouse, burn and furnace and gas cleaning processing apparatus and be connected. The utility model can reduce the consumption and the exhaust amount of the drying gas, thereby reducing the power consumption of the fan and the exhaust treatment cost and simultaneously improving the utilization efficiency of heat energy.
Description
Technical Field
The utility model relates to the field of solid waste drying, in particular to a fluidized bed type solid waste drying system utilizing industrial waste heat.
Background
Industrial and agricultural production produces a large amount of solid waste. Common agricultural solid wastes comprise straws, rice husks, mushroom dregs, peanut shells and the like, common forestry solid wastes comprise tree roots, tree barks, sawdust, various processing leftover materials and the like, and common industrial solid wastes comprise bagasse, vinasse, furfural dregs and the like. In the process of resource utilization, the solid waste is often required to be dried. For example, in the field of combustion power generation application, the drying of solid wastes can improve the heat value of fuel, reduce the fuel consumption and increase the power generation amount; the gasification gas-making application field, the solid waste drying can improve the gasification efficiency and the heat value of the gasification gas. The existing drying device can not meet the drying requirement of solid waste.
Disclosure of Invention
The technical problem to be solved by the utility model is to provide a fluidized bed type solid waste drying system using industrial waste heat, which can reduce the consumption and exhaust amount of drying gas, thereby reducing the power consumption of a fan and the exhaust treatment cost and improving the utilization efficiency of heat energy.
The technical scheme adopted by the utility model for solving the technical problems is as follows: a fluidized bed type solid waste drying system utilizing industrial waste heat is constructed, and comprises a wet storage bin, material conveying equipment, a fluidized bed dryer, a dust remover, a dry storage bin, a blower, an induced draft fan, an incinerator and a flue gas purification treatment device;
a bin heater is arranged in the wet bin, and the wet bin is connected with the fluidized bed dryer through material conveying equipment; introducing drying gas into the bottom or the side wall of the fluidized bed dryer through a blower, and conveying the dry materials in the fluidized bed dryer into a dry material bin;
fluidized bed dryer middle part is provided with fluidized bed heater, fluidized bed dryer bottom is provided with gaseous dispersion device, the inside industry waste heat that lets in of feed bin heater and fluidized bed heater, set up the dust remover between fluidized bed dryer and the draught fan, the dust remover exhaust is sent into burning furnace by the draught fan, the fine dust that the dust remover was collected sends into fluidized bed dryer or dry material storehouse, burn and furnace and gas cleaning processing apparatus and be connected.
In the above scheme, the wet material bin is a round bin or a polygonal bin, and the bottom of the wet material bin is in a conical hopper shape.
In the above scheme, the fluidized bed heater is a tube type, a jacket type or a plate type.
In the above scheme, the gas dispersion device adopts a perforated pipe or a perforated plate.
In the scheme, the bottom and the side wall of the fluidized bed dryer are both provided with a discharge pipe.
In the above scheme, fluidized bed dryer inside is equipped with temperature measuring device and humidity measurement device, temperature measuring device and humidity measurement device are connected with forced draught blower, draught fan and industry waste heat supply delivery pump.
The fluidized bed type solid waste drying system utilizing the industrial waste heat has the following beneficial effects:
1. and the granular solid waste absorbs heat from the bin heater during the buffer storage in the wet bin, so that the material preheating process is completed, and the evaporation and dehydration speed after entering the fluidized bed dryer is increased.
2. When the induced draft fan and the blower are started, the dry gas uniformly enters a material layer in the fluidized bed dryer through the gas dispersing device, and the material is fluidized; starting an industrial waste heat supply delivery pump or valve, feeding fluid such as steam, hot water or heat transfer oil into a fluidized bed heater, absorbing heat from the heater by fluidized materials, cooling and then feeding the cooled fluidized materials back to a heat exchanger of an electric power plant for heating, and allowing air or flue gas absorbing a large amount of water vapor to leave a fluidized bed dryer and enter a dedusting and purifying treatment device.
3. The utility model can reduce the total amount of heat supply of air or flue gas due to the arrangement of the bin heater and the fluidized bed heater, thereby reducing the air or flue gas flow and the exhaust flow at the inlet of the fluidized bed dryer, and reducing the power consumption of a fan, the exhaust heat loss and the total heat loss.
4. The heater arranged in the fluidized bed has high heat transfer efficiency and small required heat transfer temperature difference, so that the low-temperature waste heat resources of 50-200 ℃ such as power plant flue gas, air compression system cooling oil, boiler drainage water, steam turbine exhaust and the like can be fully utilized.
Drawings
The utility model will be further described with reference to the accompanying drawings and examples, in which:
fig. 1 is a schematic view of a fluidized bed type solid waste drying system using industrial waste heat according to the present invention.
Detailed Description
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
As shown in fig. 1, the fluidized bed type solid waste drying system using industrial waste heat of the present invention includes a wet storage bin 1, a material conveying device 2, a fluidized bed dryer 3, a dust collector 4, a dry storage bin 5, a blower 6, an induced draft fan 7, an incinerator 8, and a flue gas purification processing device 9.
A bin heater 1.1 is arranged in the wet bin 1, and a fluidized bed heater 3.1 and a gas dispersion device 3.2 are arranged in the fluidized bed dryer 3. Industrial waste heat is introduced into the bin heater 1.1 and the fluidized bed heater 3.1, and the industrial waste heat is carried by fluids such as steam, hot water or thermal conductive hot oil. The wet material bin 1 is connected with a fluidized bed dryer 3 through a material conveying device 2, and drying gas introduced into the fluidized bed dryer 3 is used for fluidizing the material and taking away moisture in the material after passing through a gas dispersing device 3.2. A dust remover 4 is arranged between the fluidized bed dryer 3 and the induced draft fan 7, the exhaust gas of the dust remover 4 is sent into an incinerator 8 by the induced draft fan 7 for high-temperature harmless treatment, and the fine dust collected by the dust remover 4 is sent into the fluidized bed dryer 3 or the dry material bin 5.
The granular solid waste sequentially passes through a wet material bin 1, a material conveying device 2, a fluidized bed dryer 3 and a dry material bin 5, and partial fine dust is captured by a dust remover 4 and then is sent into the fluidized bed dryer 3 or the dry material bin 5. The granular solid waste obtains heat from a bin heater 1.1 in the wet bin 1 to finish preheating. The granular solid waste further gains heat from the fluidized bed 3.1 and air or flue gas in the fluidized bed dryer 3, wherein the moisture is absorbed and carried away by the air or flue gas after evaporation, completing the drying process. The airflow containing dust and volatile organic compounds at the outlet of the fluidized bed dryer 3 is dedusted by the deduster 4, decomposed by the incinerator 8, and finally discharged in an environment-friendly manner after passing through the flue gas purification treatment device 9. When the material drying exhaust gas is directly discharged to meet the environmental protection requirement, the exhaust gas of the dust remover 4 can not pass through the incinerator 8 and the flue gas purification treatment device 9.
Preferably, the wet material bin 1 is a round bin or a polygonal bin, and the bottom of the wet material bin is conical.
Preferably, a bin heater 1.1 arranged in the wet bin 1 is in a pipe type, a jacket type or a plate type and is connected with industrial waste heat.
Preferably, the fluidized bed heater 3.1 arranged in the fluidized bed dryer 3 is in a tube type, a jacket type or a plate type and is connected with industrial waste heat.
Preferably, the fluidized bed dryer 3 employs a perforated pipe or perforated plate gas dispersion device 3.2.
Preferably, a drying gas, such as air or flue gas, is introduced into the bottom or side wall of the fluidized bed dryer 3.
Preferably, both the bottom and the side walls of the fluidized bed dryer 3 are provided with discharge ducts for discharging dry material.
Preferably, a multilayer temperature measuring device and a humidity measuring device are arranged in the fluidized bed dryer 3, and the temperature measuring device and the humidity measuring device are connected with the air feeder 6, the induced draft fan 7 and the industrial waste heat supply conveying pump or valve and can control the operation of the air feeder and the circulating pump or the opening degree of the valve.
When the moisture of the dry materials is higher than the target value, the rotating speed of the material conveying equipment 2 can be reduced to reduce the feeding amount; when the moisture of the dry material is lower than the target value, the rotating speed of the material conveying equipment 2 can be properly increased to increase the feeding amount and improve the processing capacity of the dryer.
While the present invention has been described with reference to the particular illustrative embodiments, it is to be understood that the utility model is not limited to the disclosed embodiments, but is intended to cover various modifications, equivalent arrangements, and equivalents thereof, which may be made by those skilled in the art without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (6)
1. A fluidized bed type solid waste drying system utilizing industrial waste heat is characterized by comprising a wet material bin (1), material conveying equipment (2), a fluidized bed dryer (3), a dust remover (4), a dry material bin (5), a blower (6), an induced draft fan (7), an incinerator (8) and a flue gas purification treatment device (9);
a bin heater (1.1) is arranged in the wet bin (1), and the wet bin (1) is connected with a fluidized bed dryer (3) through material conveying equipment (2); the bottom or the side wall of the fluidized bed dryer (3) is introduced with drying gas through a blower (6), and dry materials in the fluidized bed dryer (3) are conveyed into a dry bin (5);
fluidized bed dryer (3) middle part is provided with fluidized bed heater (3.1), fluidized bed dryer (3) bottom is provided with gas dispersion device (3.2), feed bin heater (1.1) and fluidized bed heater (3.1) inside lets in the industry waste heat, set up dust remover (4) between fluidized bed dryer (3) and draught fan (7), dust remover (4) exhaust is sent into by draught fan (7) and is burnt burning furnace (8), the fine dust of dust remover (4) collection is sent into fluidized bed dryer (3) or drier storehouse (5), it is connected with gas cleaning processing apparatus (9) to burn burning furnace (8).
2. The fluidized bed type solid waste drying system using industrial waste heat according to claim 1, wherein the wet bin (1) is a round bin or a polygonal bin, and the bottom of the wet bin is cone-shaped.
3. The fluidized bed type solid waste drying system using industrial waste heat according to claim 1, wherein the fluidized bed heater (3.1) is of a tube type, a jacket type or a plate type.
4. The fluidized-bed solid waste drying system using industrial waste heat according to claim 1, wherein the gas dispersion device (3.2) employs perforated pipes or perforated plates.
5. The fluidized bed type solid waste drying system using industrial waste heat according to claim 1, wherein the fluidized bed dryer (3) is provided with a discharge pipe at the bottom and the side wall.
6. The fluidized bed type solid waste drying system using industrial waste heat according to claim 1, wherein a temperature measuring device and a humidity measuring device are provided inside the fluidized bed dryer (3), and the temperature measuring device and the humidity measuring device are connected with a blower (6), an induced draft fan (7) and an industrial waste heat supply delivery pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122843197.3U CN216694207U (en) | 2021-11-18 | 2021-11-18 | Fluidized bed type solid waste drying system utilizing industrial waste heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122843197.3U CN216694207U (en) | 2021-11-18 | 2021-11-18 | Fluidized bed type solid waste drying system utilizing industrial waste heat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216694207U true CN216694207U (en) | 2022-06-07 |
Family
ID=81834723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122843197.3U Active CN216694207U (en) | 2021-11-18 | 2021-11-18 | Fluidized bed type solid waste drying system utilizing industrial waste heat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216694207U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114184002A (en) * | 2021-11-18 | 2022-03-15 | 武汉焓云新能源技术开发有限公司 | Fluidized bed type solid waste drying system utilizing industrial waste heat |
-
2021
- 2021-11-18 CN CN202122843197.3U patent/CN216694207U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114184002A (en) * | 2021-11-18 | 2022-03-15 | 武汉焓云新能源技术开发有限公司 | Fluidized bed type solid waste drying system utilizing industrial waste heat |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103575077B (en) | A kind of Multi-layer belt type drying system | |
| CN102690035B (en) | System and process for drying sludge using pulse combustion internal heating fluid bed | |
| CN102155744B (en) | System for pre-drying coal with high water content by utilizing residual heat of boiler gas | |
| CN101975388B (en) | Biomass boiler system capable of saving energy and reducing emission | |
| CN201670796U (en) | Sludge drying and incineration integrated treatment system | |
| CN103254918A (en) | System and method for drying and carbonizing biomass raw material by using boiler flue gas | |
| CN106382790B (en) | A kind of lignite drying method and drying equipment utilizing waste heat of power plant flue gas and steam | |
| CN101755904B (en) | Energy-saving grain drying equipment | |
| CN201819190U (en) | Energy saving and emission reduction biomass boiler system | |
| CN202610084U (en) | Pulse combustion inner heated fluidized bed sludge-drying system | |
| CN208832957U (en) | A high-efficiency hot blast stove for drying | |
| CN216694207U (en) | Fluidized bed type solid waste drying system utilizing industrial waste heat | |
| CN117165318A (en) | Integrated pyrolysis reaction device capable of being used for biomass processing | |
| CN103288328B (en) | Method and equipment for drying and incinerating PTA (purified terephthalic acid) activated sludge | |
| CN118085908B (en) | Internal heating biomass steam-carbon co-production device utilizing boiler tail gas | |
| CN204824732U (en) | Industry fuel oil apparatus for producing is prepared in pyrolysis of agriculture and forestry abandonment living beings | |
| CN114184002A (en) | Fluidized bed type solid waste drying system utilizing industrial waste heat | |
| CN108194929B (en) | A kind of low calorific value wet material self-supply energy drying incineration system and method | |
| CN207247806U (en) | A kind of material drying system | |
| CN216738018U (en) | A heat cycle structure and a coal-fired power plant sludge blending structure | |
| CN206385016U (en) | A kind of sludge at low temperature highly effective drying equipment | |
| CN202993229U (en) | Distiller's grains incineration power generation system | |
| CN216584899U (en) | Traditional chinese medicine sediment device of pyrolysis gasification | |
| CN213141419U (en) | Device for producing carbonized materials | |
| CN212299018U (en) | Sludge incineration equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |